{"title":"Arduino","description":"\u003cp data-path-to-node=\"8\"\u003eUnlock limitless possibilities in electronics, robotics, and IoT with our comprehensive collection of \u003cb data-path-to-node=\"8\" data-index-in-node=\"102\"\u003eArduino\u003c\/b\u003e and compatible development boards. Whether you are a student exploring STEM education, a hobbyist building a smart home device, or an engineer prototyping a complex system, we provide the reliable hardware you need to bring your ideas to life.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"9\"\u003eChoosing the Right Microcontroller: Arduino \u0026amp; ESP32\u003c\/h2\u003e\n\u003cp data-path-to-node=\"10\"\u003eAt the heart of every project lies a powerful controller. Our inventory features the classic \u003cb data-path-to-node=\"10\" data-index-in-node=\"93\"\u003eArduino UNO R3\u003c\/b\u003e, renowned for its stability and vast community support, making it the ideal choice for beginners. For users requiring enhanced performance and connectivity, we offer the latest \u003cb data-path-to-node=\"10\" data-index-in-node=\"285\"\u003eArduino UNO R4\u003c\/b\u003e series and high-performance \u003cb data-path-to-node=\"10\" data-index-in-node=\"328\"\u003eESP32 development boards\u003c\/b\u003e. The ESP32 series is particularly favored for IoT applications due to its built-in Wi-Fi and Bluetooth capabilities, offering dual-core processing power for more demanding tasks.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003eEssential Sensors, Modules, and Accessories\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12\"\u003eA microcontroller needs to interact with the world. We stock a wide variety of \u003cb data-path-to-node=\"12\" data-index-in-node=\"79\"\u003eArduino accessories\u003c\/b\u003e and modules designed for seamless integration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eSensors:\u003c\/b\u003e From DHT11\/DHT22 temperature and humidity sensors, HC-SR04 ultrasonic distance sensors, to infrared and gas sensors.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eActuators \u0026amp; Motors:\u003c\/b\u003e Precise control with SG90\/MG996R servo motors, stepper motors, and L298N motor driver modules.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003ePrototyping Essentials:\u003c\/b\u003e High-quality breadboards, jumper wires, and expansion shields to ensure your circuit connections are secure and organized.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"14\"\u003eWhy Choose Our Arduino Collection?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eWide Compatibility:\u003c\/b\u003e Our modules are tested to work seamlessly with Arduino IDE and popular libraries.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eScalability:\u003c\/b\u003e From simple \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"25\"\u003eArduino starter kits\u003c\/b\u003e for learning basics to advanced ESP32-CAM modules for vision projects.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eReliable Quality:\u003c\/b\u003e Sourced to ensure durability for continuous operation in projects and educational settings.\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"z-tek-zy099-rs232-ttl-converter","title":"Z-TEK ZY099 RS232 to TTL (5V) Converter | Driver-Free Serial Adapter","description":"\u003ch2 data-path-to-node=\"6\"\u003eSeamless Serial Communication for Your Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eInterfacing legacy hardware with modern 5V logic systems doesn't have to be a headache. Whether you are troubleshooting industrial PLC systems, setting up CCTV telemetry, or building custom STEM projects, the \u003cb data-path-to-node=\"7\" data-index-in-node=\"209\"\u003eZ-TEK ZY099 RS232 to TTL Converter\u003c\/b\u003e provides a rock-solid bridge between standard RS232 and TTL components.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eBuilt for Engineering \u0026amp; DIY Accuracy\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eWe understand that unreliable connections lead to wasted hours of debugging. This converter strictly complies with TIA\/EIA RS-232 and TTL standards, ensuring that your data packets arrive cleanly without voltage mismatch errors. It is an essential tool for communicating with development boards like Arduino, Raspberry Pi, and other electronic modules.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eIntelligent Auto-Detection \u0026amp; Easy Wiring\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eForget about configuring complex COM port settings. The Z-TEK ZY099 features an intelligent auto-detect function for baud rates ranging from \u003cb data-path-to-node=\"11\" data-index-in-node=\"141\"\u003e300bps to 115.2kbps\u003c\/b\u003e. Just plug it in, and it syncs with your equipment's speed. Furthermore, the included DB9 to 3-pin terminal block adapter means you can secure bare wires directly to the adapter with a simple screwdriver—no soldering required.\u003c\/p\u003e","brand":"Z-TEK","offers":[{"title":"Default Title","offer_id":35579432992919,"sku":"21AR000319","price":79.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/z-tek-zy099-rs232-to-ttl-converter-adapter.jpg?v=1776141967"},{"product_id":"li-ion-diy-battery-plastic-case-holder-for-4x3-7v-18650-battery","title":"18650 Battery Holder with Hard Pins - 1, 2, 3, or 4 Slot Options","description":"\u003cp data-sourcepos=\"20:1-20:57\"\u003e\u003cstrong\u003eVersatile 18650 Battery Holders for Your DIY Projects\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"22:1-22:401\"\u003eOrganize, protect, and power your electronics with our high-quality 18650 battery holders. Designed for both single-use and rechargeable 18650 batteries, these robust cases feature hard pins for effortless soldering and secure connections. Whether you're building a new power supply system, working on an Arduino project, or simply need to keep your batteries tidy, our holders are the ideal solution.\u003c\/p\u003e\n\u003cp data-sourcepos=\"24:1-24:17\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"26:1-31:0\"\u003e\n\u003cli data-sourcepos=\"26:1-26:154\"\u003e\n\u003cstrong\u003eMulti-Slot Options:\u003c\/strong\u003e Available in 1-slot, 2-slot, 3-slot, and 4-slot configurations to accommodate various power requirements (3.7V*N battery pack).\u003c\/li\u003e\n\u003cli data-sourcepos=\"27:1-27:135\"\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from impact-resistant ABS plastic, ensuring long-lasting durability and protection for your batteries.\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:136\"\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Features sturdy hard pins perfect for soldering, making connections simple and reliable for your DIY extensions.\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:142\"\u003e\n\u003cstrong\u003eLightweight \u0026amp; Portable:\u003c\/strong\u003e Professionally manufactured to be lightweight and easy to carry, enhancing the portability of your projects.\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-31:0\"\u003e\n\u003cstrong\u003eIdeal for DIY:\u003c\/strong\u003e A must-have component for electronics applications, custom power banks, and all your Arduino DIY projects.\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"39:1-39:19\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"41:1-45:0\"\u003e\n\u003cli data-sourcepos=\"41:1-41:27\"\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS Plastic\u003c\/li\u003e\n\u003cli data-sourcepos=\"42:1-42:40\"\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Designed for 18650 Batteries\u003c\/li\u003e\n\u003cli data-sourcepos=\"43:1-43:36\"\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 3.7V (per cell)\u003c\/li\u003e\n\u003cli data-sourcepos=\"44:1-45:0\"\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"46:1-46:20\"\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-sourcepos=\"48:1-52:0\"\u003e\n\u003cli data-sourcepos=\"48:1-48:70\"\u003ePlease allow for slight size variations due to manual measurement.\u003c\/li\u003e\n\u003cli data-sourcepos=\"49:1-49:54\"\u003eDo not disassemble, repair, or modify the product.\u003c\/li\u003e\n\u003cli data-sourcepos=\"50:1-50:144\"\u003eThis product is designed for small current loads. \u003cstrong\u003eDo NOT connect to high-current loads.\u003c\/strong\u003e Discontinue use if wires become excessively hot.\u003c\/li\u003e\n\u003cli data-sourcepos=\"51:1-52:0\"\u003eAlways monitor battery temperature while in use. Do not charge or use inferior batteries with this product.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"4 slots","offer_id":35733573927063,"sku":"","price":18.0,"currency_code":"HKD","in_stock":true},{"title":"3 slots","offer_id":35733573959831,"sku":"","price":15.0,"currency_code":"HKD","in_stock":true},{"title":"2 slots","offer_id":35733573992599,"sku":"","price":10.0,"currency_code":"HKD","in_stock":true},{"title":"1 slot","offer_id":35733574025367,"sku":"","price":8.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/18650-Battery-Holder-Multiple-Views.jpg?v=1762318757"},{"product_id":"tft-display-1-44","title":"1.44\" SPI TFT LCD Display Module (ST7735) for Arduino\/DIY","description":"\u003cp\u003e\u003cb\u003eVibrant 1.44\" Full-Color TFT LCD Display Module with SPI Interface (ST7735)\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBring your electronics projects to life with this high-definition 1.44-inch IPS TFT LCD display module. \u003cspan class=\"citation-14 citation-end-14\"\u003eFeaturing a dedicated semiconductor switch for each pixel, this module offers superior control and stunning visual performance (128x128 resolution).\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-13 citation-end-13\"\u003eWhether you're building smart wearables, MP3\/MP4 players, small gaming devices, or embedded systems, this module delivers realistic color, high brightness, and excellent contrast.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features and Benefits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-12\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-12\"\u003eIPS Technology:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-12 citation-end-12\"\u003e Provides wide viewing angles and vivid, realistic color reproduction.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e65K Full Color:\u003c\/b\u003e Displays rich, layered visuals with high contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-11\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-11\"\u003eFast Response Time:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-11 citation-end-11\"\u003e Each pixel is independently controlled via point pulses, significantly improving reaction speed for dynamic displays.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003cb\u003eSPI Interface (7P):\u003c\/b\u003e Simplifies connection to microcontrollers (3.3V-5V) using only a few pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-10\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-10\"\u003eVersatile Applications:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-10 citation-end-10\"\u003e Ideal for DIY electronics, educational projects, smart bracelets, and small mobile devices.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv class=\"table-block has-export-button\"\u003e\n\u003cdiv class=\"table-content not-end-of-paragraph\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFeature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eDetails (1.44-inch)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eTFT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eDot Matrix (Resolution)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e128 x 128\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eDrive IC\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eST7735\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eInterface\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e8-pin SPI\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eDisplay Area\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e25.5 x 26.5mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eVoltage (VCC)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e3.3V - 5V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-footer hide-from-message-actions ng-star-inserted\"\u003e\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eInterface Pin Definition:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eGND:\u003c\/b\u003e Power ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVCC:\u003c\/b\u003e 3.3-5V power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSCL:\u003c\/b\u003e SPI clock pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSDA:\u003c\/b\u003e SPI data input\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRES:\u003c\/b\u003e Restart interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDC:\u003c\/b\u003e SPI data\/command selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCS:\u003c\/b\u003e Chip select interface (Note: Not available on 1.3-inch models)\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"1.44 inch","offer_id":35829313568919,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/tft-lcd-display-module-1.44-inch-st7735-spi.jpg?v=1754290956"},{"product_id":"e18-d80nk-adjustable-infrared-obstacle-avoidance-detection-sensor-5v-switch-detect-3-80cm-for-arduino","title":"E18-D80NK Adjustable Infrared Obstacle Avoidance Sensor 3-80cm (5V)","description":"\u003cp\u003eThe E18-D80NK is a versatile and reliable adjustable infrared photoelectric sensor designed for precise obstacle detection in various applications. This compact sensor integrates both emitter and receiver, offering a robust solution for projects requiring accurate distance sensing.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAdjustable Sensing Range:\u003c\/b\u003e Easily fine-tune the detection distance from 3cm to 80cm to suit your specific needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Application:\u003c\/b\u003e Ideal for robot obstacle avoidance, production line counting, automation projects, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Performance:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eFast response time: Less than 2ms for quick detection.\u003c\/li\u003e\n\u003cli\u003eDetects both transparent and opaque objects.\u003c\/li\u003e\n\u003cli\u003eResistant to visible light interference (sunlight \u0026lt; 10000LX, incandescent \u0026lt; 3000LX).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy to Use:\u003c\/b\u003e Simple wiring (Brown: 5V+, Blue: Ground, Black: OUT 5V) for straightforward integration with Arduino and other microcontrollers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Made with a robust plastic casing for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Power Consumption:\u003c\/b\u003e Consumes less than 25mA, making it energy efficient for your projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e E18-D80NK\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Voltage (U):\u003c\/b\u003e 5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Current (I):\u003c\/b\u003e 100mA (DC\/SCR\/Relay Control output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCurrent Consumption:\u003c\/b\u003e \u0026lt; 25mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eResponse Time:\u003c\/b\u003e \u0026lt; 2ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensing Distance (Sn):\u003c\/b\u003e 3-80cm (adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePointing Angle:\u003c\/b\u003e ≤15°\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDetection Objects:\u003c\/b\u003e Transparent or Opaque\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Environment Temperature:\u003c\/b\u003e -25°C to +55°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandard Sensing Object:\u003c\/b\u003e Sunlight \u0026lt; 10000LX, Incandescent \u0026lt; 3000LX\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCase Material:\u003c\/b\u003e Plastic\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":35829360984215,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/e18-d80nk-infrared-sensor-with-nuts.jpg?v=1754479197"},{"product_id":"dc-5v-relay-module-for-arduino","title":"2-Channel DC 5V Relay Module with Optocoupler for Arduino \u0026 Pi","description":"\u003cp\u003eControl high-voltage AC\/DC devices safely with this versatile 2-Channel DC 5V Relay Module. Designed for seamless integration with a wide range of microcontrollers, this module features built-in optocouplers for reliable isolation and low-level triggering.\u003c\/p\u003e\n\u003cp\u003eWhether you are working on a home automation project, robotics, or an industrial application, this relay expansion board provides a secure interface between your low-voltage control system and high-power peripherals.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Benefits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Integrates effortlessly with popular platforms including Arduino UNO R3, Raspberry Pi, 8051, AVR, PIC, DSP, ARM, STM32, and MSP430.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptocoupler Isolation:\u003c\/b\u003e Ensures safe operation by providing isolation between the control signal and the relay, protecting your microcontroller from surges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Level Trigger:\u003c\/b\u003e Activate the relay with a low voltage (logic low) signal, compatible with most microcontroller GPIO pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Current Capacity:\u003c\/b\u003e Equipped with high-current relays capable of handling AC250V 10A or DC30V 10A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStatus Indicators:\u003c\/b\u003e Onboard LED indicators provide immediate visual feedback on the relay output status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEfficient Driver:\u003c\/b\u003e Requires a low driver current of 15-20mA per channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eCompatibility Details:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGPIO 3.3V:\u003c\/b\u003e Micro:bit, ESP8266, NodeMCU, etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGPIO 5.5V:\u003c\/b\u003e Arduino, Raspberry Pi, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis standard interface expansion board simplifies the connection and control of external circuits, making it an ideal component for any embedded systems enthusiast or professional.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":35845727191191,"sku":"","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/2-channel-5v-relay-module-arduino-optocoupler.jpg?v=1760869906"},{"product_id":"alligator-clip-to-dupont-wire","title":"Alligator Clip to Male Dupont Jumper Wires (10pcs, 20cm)","description":"\u003cp\u003e\u003cb\u003eAlligator Clip to Dupont Jumper Wires - Essential for Your Electronics Projects!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis versatile set of \u003cb\u003e10 pieces\u003c\/b\u003e, \u003cb\u003e20cm\u003c\/b\u003e cables features alligator clips on one end and male Dupont connectors on the other, making it an indispensable tool for a wide range of electronics projects.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e2-in-1 Design:\u003c\/b\u003e Seamlessly connect components with male Dupont pins to various test points using the secure alligator clips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimal Length:\u003c\/b\u003e At \u003cb\u003e20cm\u003c\/b\u003e (approximately 7.9 inches), these wires provide ample reach for most breadboard and prototype setups without excessive clutter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConvenient Pack:\u003c\/b\u003e Includes \u003cb\u003e10 individual jumper wires\u003c\/b\u003e, providing sufficient quantity for diverse connection needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Compatibility:\u003c\/b\u003e Perfectly suited for popular open-source platforms, including:\n\u003cul\u003e\n\u003cli\u003eArduino\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi\u003c\/li\u003e\n\u003cli\u003eOrange Pi\u003c\/li\u003e\n\u003cli\u003eMakey Makey\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-purpose Use:\u003c\/b\u003e Ideal for:\n\u003cul\u003e\n\u003cli\u003eLab experiments\u003c\/li\u003e\n\u003cli\u003eBreadboard prototyping\u003c\/li\u003e\n\u003cli\u003e3D print projects\u003c\/li\u003e\n\u003cli\u003eTesting circuits\u003c\/li\u003e\n\u003cli\u003eEducational robotics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable \u0026amp; Reliable:\u003c\/b\u003e Constructed for repeated use in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor-Coded:\u003c\/b\u003e Easy identification and organization with multi-colored wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eEnhance your prototyping, testing, and educational projects with these essential alligator clip to Dupont wires!\u003c\/b\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37333514027159,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/alligator-clip-dupont-wires-arduino-pi-1.jpg?v=1775575412"},{"product_id":"crocodile-clip-to-female-jumper-wire","title":"Crocodile Clip to Female Jumper Wires 20cm - 10 Pack Test Leads","description":"\u003ch2\u003e\u003cb\u003eUnleash Your Creativity with Versatile Test Leads!\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThese 20cm Crocodile Clip to Female Jumper Wires are an essential addition to any electronics enthusiast's toolkit. Perfect for rapid prototyping, testing, and making quick connections, this 10-pack provides reliable and colorful leads for all your projects.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Identification:\u003c\/b\u003e Features 5 distinct alligator clip colors (2 of each) allowing for clear organization and error-free connections during complex experiments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimal Length:\u003c\/b\u003e At 20cm (approximately 7.9 inches), these wires offer a good balance of reach and neatness for your workbench.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Compatibility:\u003c\/b\u003e Designed with female jumper ends, they are ideal for seamless integration with:\n\u003cul\u003e\n\u003cli\u003eArduino Boards\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi\u003c\/li\u003e\n\u003cli\u003eOrange Pi\u003c\/li\u003e\n\u003cli\u003eMakey Makey\u003c\/li\u003e\n\u003cli\u003eBreadboards\u003c\/li\u003e\n\u003cli\u003e3D Printing Prototypes\u003c\/li\u003e\n\u003cli\u003eAnd various other open-source electronics platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable \u0026amp; Reliable:\u003c\/b\u003e Constructed for repeated use in lab experiments, DIY electronics, and educational settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpand Your Projects:\u003c\/b\u003e Essential for quick and secure temporary connections, allowing you to focus on innovation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're a seasoned maker or just starting out, these Crocodile Clip Jumper Wires simplify your setup and accelerate your prototyping process. Get your pack today and make connecting a breeze!\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37333786755223,"sku":"21CE001161","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/crocodile-clip-jumper-wires-20cm-full-view.jpg?v=1775741726"},{"product_id":"sg90-9g-micro-servo-motor-accessory","title":"SG90 9G Micro Servo Motor (for 6CH RC Helicopters \u0026 Airplanes)","description":"\u003cp\u003eThis compact yet powerful SG90 9G Micro Servo Motor is the ideal choice for all your 6-channel remote control (RC) helicopter and airplane projects. It's a top pick for hobbyists and professionals alike, thanks to its precise control, fast response time, and exceptional reliability. Its lightweight design (only 9 grams) ensures it won't add unnecessary bulk to your models.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSelectable Rotation Mode:\u003c\/b\u003e We offer two rotation modes for you to choose from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e180-Degree Standard Type:\u003c\/b\u003e Ideal for applications requiring precise angle control, such as control surfaces, camera gimbals, etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e360-Degree Continuous Rotation Type:\u003c\/b\u003e Suitable for applications requiring continuous rotation, such as small robot wheels, winches, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Benefits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLightweight \u0026amp; Efficient:\u003c\/b\u003e Weighing only 9 grams, its compact size is specifically designed for RC models with limited space, ensuring no compromise on flight performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecise Control:\u003c\/b\u003e With a product torque of \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e1.6\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e kg\/cm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) and a no-load speed of \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0.1\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e sec\/60 degrees\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e), it provides fast and accurate motion response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Compatibility:\u003c\/b\u003e Operates within a voltage range of \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e6\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e and features a JR\/FUTABA universal plug type, making it easily compatible with most RC receivers on the market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Design:\u003c\/b\u003e Constructed with a robust nylon gear mechanism, ensuring stable operation within a working temperature range of \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e to \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e55\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e degrees Celsius\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Applications:\u003c\/b\u003e Depending on the model you select, it offers either \u003cb\u003e180-degree angle control\u003c\/b\u003e or \u003cb\u003e360-degree continuous rotation\u003c\/b\u003e, suitable for helicopter swashplate control, airplane ailerons, elevators, rudders, or drive wheels for small robots, and various other applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandard PWM Control:\u003c\/b\u003e Supports Pulse Width Modulation (PWM) operating mode with a dead band of \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e10\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eus\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e, ensuring sensitive response.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Torque:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e1.6\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e kg\/cm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNo-load Speed:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0.1\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e sec\/60 degrees\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Voltage:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e6\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Temperature:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e to \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e55\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e degrees Celsius\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDead Band:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e10\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eus\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlug Type:\u003c\/b\u003e JR.FUTABA Universal\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRotation Mode:\u003c\/b\u003e 180 degrees or 360 degrees (depending on option)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGear Medium:\u003c\/b\u003e Nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Mode:\u003c\/b\u003e PWM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eServo Wire Definition:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDark Grey Wire:\u003c\/b\u003e GND (Ground)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRed Wire:\u003c\/b\u003e VCC \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e4.8\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e6\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (Power Input)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOrange\/Yellow Wire:\u003c\/b\u003e PWM Pulse Input (Signal Wire)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Contents:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9g Micro Servo x 1 (Please select desired rotation mode)\u003c\/li\u003e\n\u003cli\u003eHorn Set x 1 (includes various servo arms and mounting screws for easy assembly)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"180 degrees","offer_id":45822941495447,"sku":"21PS001189","price":20.0,"currency_code":"HKD","in_stock":true},{"title":"360 degrees","offer_id":45822941528215,"sku":"21PS001386","price":23.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/SG90-9G-Micro-Servo-Motor-with-Accessories.jpg?v=1753785900"},{"product_id":"mg90s-servo","title":"MG90S Micro Servo Motor for RC \u0026 DIY Projects","description":"\u003cp data-sourcepos=\"7:1-7:305\"\u003eThe \u003cstrong\u003eMG90S micro servo motor\u003c\/strong\u003e is a versatile and reliable choice for a wide range of RC and DIY electronics projects. An enhanced version of the classic SG90, this servo boasts \u003cstrong\u003emetal gears\u003c\/strong\u003e, a \u003cstrong\u003efull ball bearing design\u003c\/strong\u003e, \u003cstrong\u003elightweight construction\u003c\/strong\u003e, and \u003cstrong\u003ereduced noise\u003c\/strong\u003e for superior performance.\u003c\/p\u003e\n\u003chr data-sourcepos=\"9:1-9:3\"\u003e\n\u003ch3 data-sourcepos=\"11:1-11:31\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-sourcepos=\"13:1-20:0\"\u003e\n\u003cli data-sourcepos=\"13:1-13:199\"\u003e\n\u003cstrong\u003eUpgraded Performance:\u003c\/strong\u003e Featuring durable \u003cstrong\u003emetal gears\u003c\/strong\u003e and a \u003cstrong\u003efull ball bearing\u003c\/strong\u003e for smoother operation, increased longevity, and improved precision compared to standard plastic gear servos.\u003c\/li\u003e\n\u003cli data-sourcepos=\"14:1-14:254\"\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Perfect for \u003cstrong\u003eall types of RC toys\u003c\/strong\u003e, including \u003cstrong\u003emini cars, mini boats, helicopters, and small airplanes\u003c\/strong\u003e. It's also an excellent component for \u003cstrong\u003eelectronics DIY projects\u003c\/strong\u003e with platforms like \u003cstrong\u003eArduino and Raspberry Pi\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-sourcepos=\"15:1-15:189\"\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e With dimensions of \u003cstrong\u003e22.8 x 12.2 x 28.5mm\u003c\/strong\u003e, this servo is small and light, making it easy to integrate into various models without adding significant bulk.\u003c\/li\u003e\n\u003cli data-sourcepos=\"16:1-16:196\"\u003e\n\u003cstrong\u003eReliable Operation:\u003c\/strong\u003e Offers a consistent operating speed of \u003cstrong\u003e0.11 sec \/ 60 degrees (at 4.8V no load)\u003c\/strong\u003e and a stall torque of \u003cstrong\u003e2.0 kg\/cm (at 4.8V)\u003c\/strong\u003e, providing responsive and strong control.\u003c\/li\u003e\n\u003cli data-sourcepos=\"17:1-17:129\"\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed for \u003cstrong\u003e5 Volts operation\u003c\/strong\u003e and suitable for a temperature range of \u003cstrong\u003e0 to 55 degrees Celsius\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-sourcepos=\"18:1-18:99\"\u003e\n\u003cstrong\u003e360° Rotation Angle:\u003c\/strong\u003e Provides flexibility for various movement requirements in your projects.\u003c\/li\u003e\n\u003cli data-sourcepos=\"19:1-20:0\"\u003e\n\u003cstrong\u003eImportant Note for Aircraft:\u003c\/strong\u003e While suitable for ordinary small electric aircraft models, this servo is \u003cstrong\u003enot recommended for large fixed-wing aircraft or electric helicopters\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-sourcepos=\"21:1-21:3\"\u003e\n\u003ch3 data-sourcepos=\"23:1-23:26\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul data-sourcepos=\"25:1-33:0\"\u003e\n\u003cli data-sourcepos=\"25:1-25:38\"\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 22.8 x 12.2 x 28.5mm\u003c\/li\u003e\n\u003cli data-sourcepos=\"26:1-26:59\"\u003e\n\u003cstrong\u003eOperating Speed (4.8V no load):\u003c\/strong\u003e 0.11 sec \/ 60 degrees\u003c\/li\u003e\n\u003cli data-sourcepos=\"27:1-27:36\"\u003e\n\u003cstrong\u003eStall Torque (4.8V):\u003c\/strong\u003e 2.0 kg\/cm\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:41\"\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0 to 55 degree C\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:26\"\u003e\n\u003cstrong\u003eRotation Angle:\u003c\/strong\u003e 360°\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-30:36\"\u003e\n\u003cstrong\u003eDead Band Width:\u003c\/strong\u003e 5 Microsecond\u003c\/li\u003e\n\u003cli data-sourcepos=\"31:1-31:32\"\u003e\n\u003cstrong\u003eOperation Voltage:\u003c\/strong\u003e 5 Volts\u003c\/li\u003e\n\u003cli data-sourcepos=\"32:1-33:0\"\u003e\n\u003cstrong\u003eRecommended Models:\u003c\/strong\u003e Mini Car, Mini Ship, Helicopter \u0026amp; Airplane (small electric aircraft)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37482714857623,"sku":"","price":26.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/MG90S-Micro-Servo-Motor-RC-DIY-Attached-Horn.jpg?v=1753786775"},{"product_id":"mg996r-set-gear-servo-motor","title":"MG996R High-Torque Metal Gear Digital Servo for RC \u0026 Robotics","description":"\u003cp\u003eUnlock powerful and precise control for your RC vehicles, robotics projects, and more with the MG996R High-Torque Metal Gear Digital Servo Motor. Engineered for durability and performance, this upgraded servo is an essential component for hobbyists and professionals alike.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExceptional Torque \u0026amp; Speed:\u003c\/b\u003e Experience strong pulling power and quick response times. \u003cspan class=\"citation-29 citation-end-29\"\u003eWith stall torques up to 11kg\/cm (6.0V) and speeds as fast as 0.14 sec\/60 degrees (6.0V), it's built to handle demanding applications.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-28\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-28\"\u003eDurable Metal Gear Construction:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-28 citation-end-28\"\u003e Designed for longevity and resilience, the full metal gears withstand high stress, ensuring reliable performance even in rigorous conditions.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble Ball Bearing Support:\u003c\/b\u003e\u003cspan class=\"citation-27 citation-end-27\"\u003e Enhanced stability and shock-proofing are provided by double ball bearings, minimizing friction and improving overall accuracy and lifespan.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-26\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-26\"\u003eVersatile Compatibility:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-26 citation-end-26\"\u003e Perfect for a wide range of applications including RC trucks, boats, racing cars, helicopters, and airplanes, as well as various robotics and DIY projects.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliable Power Supply:\u003c\/b\u003e Designed for stable and shock-proof operation when powered through an external adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCoreless Motor:\u003c\/b\u003e Offers efficient and smooth operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose the MG996R?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-25 citation-end-25\"\u003eThe MG996R is an improved version of its predecessors, featuring upgraded shock-proofing and a redesigned PCB and IC control system for superior accuracy and centering.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Its robust build and high-performance specifications make it a top choice for projects requiring reliable, high-torque positional control.\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/h3\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e MG996R\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e Approx. \u003cspan class=\"citation-24 citation-end-24\"\u003e40.7 x 19.7 x 42.9mm\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-23\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-23\"\u003eOperating Speed (4.8V no load):\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-23 citation-end-23\"\u003e 0.17 sec \/ 60 degrees\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Speed (6.0V no load):\u003c\/b\u003e 0.14 sec \/ 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-22\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-22\"\u003eStall Torque (4.8V):\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-22 citation-end-22\"\u003e 9.4 kg\/cm\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-21\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-21\"\u003eStall Torque (6.0V):\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-21 citation-end-21\"\u003e 11 kg\/cm\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 0℃ - 55℃\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperation Voltage:\u003c\/b\u003e 4.8V - 7.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGear Type:\u003c\/b\u003e Metal Gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBearings:\u003c\/b\u003e Double Ball Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotor Type:\u003c\/b\u003e Coreless Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLifespan:\u003c\/b\u003e Long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-20\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-20\"\u003ePackage Includes:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-20 citation-end-20\"\u003e 1 x MG996R Servo, 1 x Component package (as per images)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37482863034519,"sku":"21PS001216","price":36.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/MG996R-servo-motor-with-horns-screws-rc-parts.jpg?v=1753787452"},{"product_id":"mini-usb-nano-v3-0-atmega328p-ch340g-5v","title":"Nano V3.0 ATmega328P Microcontroller Board with CH340G USB - 5V","description":"\u003cp\u003eThe Mini USB Nano V3.0 ATmega328P CH340G 5V is a compact and powerful microcontroller board, perfect for a wide range of electronics projects. Designed with the reliable Atmel Atmega328P-AU MCU, this board offers robust performance in a small footprint.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProcessor:\u003c\/b\u003e Atmel ATmega328P-AU Microcontroller (MCU)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUSB Connectivity:\u003c\/b\u003e Integrated CH340G chip for seamless USB download and power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAnalog Inputs:\u003c\/b\u003e 8 analog input ports (A0 ~ A7) for precise sensor readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDigital I\/O:\u003c\/b\u003e 14 digital input\/output ports (TX, RX, D2 ~ D13) for versatile control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePWM Support:\u003c\/b\u003e 6 Pulse Width Modulation (PWM) ports (D3, D5, D6, D9, D10, D11) ideal for motor control, LED dimming, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSerial Communication:\u003c\/b\u003e 1 pair of TTL level serial transceiver ports (RX\/TX) for serial communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBootloader:\u003c\/b\u003e Pre-installed bootloader for easy programming via USB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Options:\u003c\/b\u003e Supports external 5V ~ 12V DC power supply or 9V battery for flexible project integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eISP Download:\u003c\/b\u003e Compatible with In-System Programming (ISP) for advanced users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose the Nano V3.0?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIts small size makes it an excellent choice for projects where space is a premium, while its comprehensive features provide the flexibility and power needed for complex applications. Whether you're a beginner or an experienced maker, the Nano V3.0 is a versatile and reliable board for your embedded systems, robotics, IoT devices, and automation projects. Get started on your next innovation with ease!\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37496182177943,"sku":"21PS001202","price":65.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/nano-v3-atmega328p-ch340g-microcontroller-board.jpg?v=1765866269"},{"product_id":"4wd-robot-smart-car","title":"4WD Robot Smart Car Chassis Kit with Motors \u0026 Wheels","description":"\u003cp\u003eUnleash your creativity with this versatile 4WD Robot Smart Car Chassis Kit, perfect for hobbyists, educators, and robotics enthusiasts. This comprehensive kit provides all the essential components to build your own robust smart car, offering an excellent platform for learning about robotics, electronics, and programming.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes a durable acrylic chassis, four powerful DC motors, wheels, a battery holder, and all necessary hardware for assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady for Customization:\u003c\/b\u003e The universal hole acrylic board offers ample space and flexibility for mounting various sensors, microcontrollers (like Arduino or Raspberry Pi), and other electronic components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Design:\u003c\/b\u003e Made from high-quality clear acrylic with a protective film (peel off before use) to ensure your chassis arrives scratch-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpandable Configuration:\u003c\/b\u003e Choose between a single or double-layer setup to suit your project's complexity and component requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdeal for DIY Projects:\u003c\/b\u003e Perfect for building remote-controlled cars, obstacle-avoiding robots, line-following robots, and more!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePower Supply:\u003c\/b\u003e 6V (requires 4 AA batteries, not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChassis Dimensions:\u003c\/b\u003e 280 x 180 x 73 mm (L x W x H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal Hole Acrylic Board Size:\u003c\/b\u003e 280 x 150 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 672g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhat's Included:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAcrylic Chassis (top and bottom plates)\u003c\/li\u003e\n\u003cli\u003e4 x DC Gear Motors\u003c\/li\u003e\n\u003cli\u003e4 x Yellow Wheels\u003c\/li\u003e\n\u003cli\u003e1 x 4-AA Battery Holder (for 6V power)\u003c\/li\u003e\n\u003cli\u003eAssembly Screws, Nuts, and Spacers\u003c\/li\u003e\n\u003cli\u003eMotor Mounting Brackets\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37774271742103,"sku":"","price":49.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/4wd-robot-chassis-kit-assembled-view.jpg?v=1762592022"},{"product_id":"3-channel-servo-tester","title":"3 Channel Digital Servo Tester for RC Models and ESC Speed Controller","description":"\u003cp\u003eThe 3 Channel Digital Servo Tester is an essential tool for RC hobbyists, offering a precise and efficient way to test and calibrate servos and electronic speed controllers (ESCs). This compact device allows you to easily detect and adjust common issues such as servo jitter, dummy bits, and median positions.\u003c\/p\u003e\n\u003cp\u003eWith the ability to connect up to three servos or ESCs simultaneously, this tester provides high stability and accuracy, thanks to its MCU control. It features three distinct operating modes—Manual, Neutral, and Automatic—making it versatile for various testing needs.\u003c\/p\u003e\n\u003cp\u003eThis tester is particularly useful for controlling electronic governors (both brushed and brushless), eliminating the need for a remote control and receiver during testing. By simply turning the adjustment knob, you can manually control the speed and performance of your motor, acting as a \"manual receiver.\"\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e This tester is not suitable for servos weighing more than 55 grams.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e Lightweight (8g) and small in size (46 x 32 x 17mm) for easy portability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThree Adjustment Modes:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eManual Mode (Man):\u003c\/b\u003e Use the adjustment knob to precisely control the servo position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNeutral Mode (Neutral):\u003c\/b\u003e Fixes the servo at the central angle (median position).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAutomatic Mode (Auto):\u003c\/b\u003e Automatically cycles the servo through its full range of motion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Accuracy and Stability:\u003c\/b\u003e Controlled by an MCU for reliable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Input:\u003c\/b\u003e Requires DC 4.2V-6.0V input (ensure sufficient current and thick wires for proper function).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Signal:\u003c\/b\u003e 1.5ms ± 0.5ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnectors:\u003c\/b\u003e Three sets of output pins (Positive, Negative, Signal) for simultaneous connection of up to 3 servos or ESCs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConnect your power source (DC 4.8V-6V) to the \"IN\" pins, ensuring correct polarity (Positive and Negative).\u003c\/li\u003e\n\u003cli\u003eConnect the servo(s) or ESC(s) to the \"OUT\" pins.\u003c\/li\u003e\n\u003cli\u003eUse the \"Select\" button to switch between Manual, Neutral, and Automatic modes. The indicator lights (Man, Neutral, Auto) will show the active mode.\u003c\/li\u003e\n\u003cli\u003eIn Manual mode, turn the adjustment knob to test the steering.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37822941823127,"sku":"21TS001310","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/3-channel-digital-servo-tester-front-view.jpg?v=1760608549"},{"product_id":"mega2560-sensor-shield-v2-0","title":"MEGA 2560 Sensor Shield V2.0 for Arduino Projects","description":"\u003cp\u003eThis Sensor Shield V2.0 is an easy-to-use expansion board designed for Arduino enthusiasts and engineers. It simplifies the connection of a wide range of modules, sensors, and components to your MEGA 2560 board without the need for complex wiring. Its plug-and-play design is perfect for beginners and advanced users looking to save time on circuit setup.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePlug \u0026amp; Play Simplicity:\u003c\/b\u003e Effortlessly connect most sensor shields, servos, and modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFull Pinout:\u003c\/b\u003e All digital and analog interfaces are fully broken out for easy access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Compatibility:\u003c\/b\u003e Fully compatible with Arduino Mega boards and various interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupports Multiple Modules:\u003c\/b\u003e Dedicated interfaces for popular modules including:\n\u003cul\u003e\n\u003cli\u003eIIC interface\u003c\/li\u003e\n\u003cli\u003eBluetooth module\u003c\/li\u003e\n\u003cli\u003eSD card module\u003c\/li\u003e\n\u003cli\u003eAPC220 wireless RF modules\u003c\/li\u003e\n\u003cli\u003eURF ultrasonic sensors\u003c\/li\u003e\n\u003cli\u003eLCD serial and parallel interfaces\u003c\/li\u003e\n\u003cli\u003e32-road Servo Motor Drive Shield\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose This Sensor Shield?\u003c\/b\u003e This open-source physical computing platform is the ideal solution for developing standalone interactive objects. Whether you're connecting it to software like Flash or Processing, this shield streamlines your project development, making it an essential tool for any electronics lab or workshop.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37869534183575,"sku":"","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/mega2560-sensor-shield-v2-0-front-view.jpg?v=1756048872"},{"product_id":"rc522-rfid-s50-card-module-for-arduino","title":"MFRC-522 RC522 13.56MHz RFID Reader Module Kit for Arduino","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe MFRC-522 RC522 13.56MHz RFID Reader Module Kit is a complete solution for building RFID-based access control, authentication, or smart identification projects. Designed for students, developers, and electronics hobbyists, this kit offers everything you need to start integrating contactless RFID functionality into your devices.\u003c\/p\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e13.56MHz high-frequency RFID for stable, non-contact communication.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePowered by the NXP RC522 chip, known for low-cost, low-voltage operation and high integration.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSupports SPI communication for easy MCU interfacing with Arduino UNO, MEGA2560, and other boards.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFully compatible with MIFARE 1 S50, S70, UltraLight, Pro, and Desfire card types.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIncludes an S50 blank card, keychain fob, and pin headers for instant prototyping.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact 40×60mm module fits easily into embedded designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eProduct Description\u003c\/h4\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe MFRC-522 RC522 RFID Module Kit is engineered for users who need a reliable RFID reader\/writer for 13.56MHz contactless applications. Built around the NXP MFRC522 chip, it supports ISO14443A protocol and employs advanced modulation and demodulation for smooth communication. The module allows two-way data transfer up to 424 kbit\/s and communicates via SPI for efficient wiring and integration.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis kit is ideal for RFID-based projects such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAccess control systems\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDoor lock automation\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTime attendance recording\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSmart card identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWith all core components included, this kit offers a simple yet powerful platform for RFID experimentation and development.\u003c\/p\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cdiv class=\"group relative\"\u003e\n\u003cdiv class=\"w-full overflow-x-auto md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-transparent\"\u003e\n\u003ctable class=\"border-subtler my-[1em] w-full table-auto border-separate border-spacing-0 border-l border-t\"\u003e\n\u003cthead class=\"bg-subtler\"\u003e\n\u003ctr\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e13.56MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eISO14443A, MIFARE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eInterface\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eDC 3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Current\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e13–26mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSleep Current\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e\u0026lt;80μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSupported Card Types\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eMIFARE 1 S50, S70, UltraLight, Pro, Desfire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e40mm × 60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e-20°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eData Transfer Rate\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eMax. 10Mbit\/s (SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bg-base border-subtler shadow-subtle pointer-coarse:opacity-100 right-xs absolute bottom-0 flex rounded-lg border opacity-0 transition-opacity group-hover:opacity-100 [\u0026amp;\u0026gt;*:not(:first-child)]:border-subtle [\u0026amp;\u0026gt;*:not(:first-child)]:border-l\"\u003e\n\u003cdiv class=\"flex\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"flex\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003ePackage Contents\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × RFID-RC522 Module\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × S50 Blank IC Card\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Keychain Fob Card\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Straight Pin Header\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Curved Pin Header\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37869635010711,"sku":"21PS001441","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/RC522-RFID-Kit-Card-Keychain-Fob.jpg?v=1762591268"},{"product_id":"ch341a-programmer-module","title":"CH341A Multi-function USB Programmer: UART, I2C, SPI, TTL","description":"\u003cp\u003e\u003cb\u003eOverview\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eCH341A Programmer Module\u003c\/b\u003e is an essential tool for electronics enthusiasts and professionals. This versatile USB adapter provides a convenient way to convert USB to multiple interfaces, including \u003cb\u003eUART\u003c\/b\u003e, \u003cb\u003eI2C\u003c\/b\u003e, \u003cb\u003eSPI\u003c\/b\u003e, and \u003cb\u003eEPP\/MEM parallel ports\u003c\/b\u003e. Whether you're debugging a microcontroller, programming an EEPROM, or communicating with various devices, this module simplifies your workflow.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-Interface Support:\u003c\/b\u003e Seamlessly convert USB to UART, I2C, and SPI. It also supports USB to printer parallel ports and EPP\/MEM modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSelectable Voltage:\u003c\/b\u003e Choose between \u003cb\u003e3.3V\u003c\/b\u003e and \u003cb\u003e5V\u003c\/b\u003e output voltage and signal levels, making it compatible with a wide range of electronic components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStatus Indicators:\u003c\/b\u003e Onboard indicator lights for UART, I2C, and SPI modes provide real-time status updates, ensuring correct operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e With a size of just 60mm x 27mm, it's portable and easy to integrate into any project.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eIdeal for\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDIY electronics projects\u003c\/li\u003e\n\u003cli\u003eMicrocontroller debugging and programming\u003c\/li\u003e\n\u003cli\u003eSerial communication with devices\u003c\/li\u003e\n\u003cli\u003eHobbyists, students, and engineers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37976840994967,"sku":"21LN000352","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/ch341a-programmer-usb-adapter-front.jpg?v=1757147218"},{"product_id":"2-x-1-5v-aa-battery-holder-case","title":"AA Battery Holder with Switch \u0026 Leads – 2\/3\/4\/8 Slot Options","description":"\u003cp data-start=\"186\" data-end=\"522\"\u003e\u003cstrong data-start=\"186\" data-end=\"198\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"198\" data-end=\"201\"\u003eThis AA Battery Holder with built-in ON\/OFF switch and leads is perfect for powering DIY electronics, hobby projects, and prototypes. Available in 2-slot, 3-slot, 4-slot, and 8-slot versions, each holder includes a built-in switch for convenient power control, and pre-attached red and black wires for quick connection.\u003c\/p\u003e\n\u003cp data-start=\"524\" data-end=\"538\"\u003e\u003cstrong data-start=\"524\" data-end=\"536\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"541\" data-end=\"628\"\u003e\n\u003cstrong data-start=\"541\" data-end=\"560\"\u003eBuilt-in Switch\u003c\/strong\u003e – Easily turn your circuit on or off without disconnecting wires.\u003c\/li\u003e\n\u003cli data-start=\"631\" data-end=\"700\"\u003e\n\u003cstrong data-start=\"631\" data-end=\"649\"\u003eMultiple Sizes\u003c\/strong\u003e – Choose from 2, 3, 4, or 8 AA battery capacity.\u003c\/li\u003e\n\u003cli data-start=\"703\" data-end=\"779\"\u003e\n\u003cstrong data-start=\"703\" data-end=\"725\"\u003ePre-soldered Leads\u003c\/strong\u003e – 13cm red (+) and black (–) wires for easy wiring.\u003c\/li\u003e\n\u003cli data-start=\"782\" data-end=\"848\"\u003e\n\u003cstrong data-start=\"782\" data-end=\"800\"\u003eDurable Design\u003c\/strong\u003e – Sturdy plastic case keeps batteries secure.\u003c\/li\u003e\n\u003cli data-start=\"851\" data-end=\"946\"\u003e\n\u003cstrong data-start=\"851\" data-end=\"866\"\u003eEasy to Use\u003c\/strong\u003e – Ideal for breadboard experiments, Arduino projects, LED lighting, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"948\" data-end=\"968\"\u003e\u003cstrong data-start=\"948\" data-end=\"966\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"971\" data-end=\"1002\"\u003e\n\u003cstrong data-start=\"971\" data-end=\"987\"\u003eWire Length:\u003c\/strong\u003e approx. 13cm\u003c\/li\u003e\n\u003cli data-start=\"1005\" data-end=\"1022\"\u003e\n\u003cstrong data-start=\"1005\" data-end=\"1020\"\u003eDimensions:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli data-start=\"1027\" data-end=\"1052\"\u003e2-slot: ~68 × 33 × 18mm\u003c\/li\u003e\n\u003cli data-start=\"1057\" data-end=\"1082\"\u003e3-slot: ~68 × 49 × 18mm\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1112\"\u003e4-slot: ~69 × 65 × 19mm\u003c\/li\u003e\n\u003cli data-start=\"1117\" data-end=\"1143\"\u003e8-slot: ~70 × 126 × 19mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1146\" data-end=\"1183\"\u003e\n\u003cstrong data-start=\"1146\" data-end=\"1163\"\u003eBattery Type:\u003c\/strong\u003e AA (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1185\" data-end=\"1337\"\u003e\u003cstrong data-start=\"1185\" data-end=\"1201\"\u003eApplications\u003c\/strong\u003e\u003cbr data-start=\"1201\" data-end=\"1204\"\u003ePerfect for robotics, toys, small gadgets, LED strips, Arduino \u0026amp; Raspberry Pi projects, and other low-voltage portable electronics.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"2 slot","offer_id":46055142228119,"sku":null,"price":5.0,"currency_code":"HKD","in_stock":true},{"title":"3 slot","offer_id":46055142260887,"sku":null,"price":6.0,"currency_code":"HKD","in_stock":true},{"title":"4 slot","offer_id":46055142293655,"sku":null,"price":8.0,"currency_code":"HKD","in_stock":true},{"title":"8 slot","offer_id":46055142326423,"sku":null,"price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/aa-battery-holders-multiple-sizes.jpg?v=1755239936"},{"product_id":"nano-i-o-expansion-sensor-shield-module","title":"Arduino Nano I\/O Expansion Shield V3.0 - Sensor \u0026 Servo Breakout Board","description":"\u003cp data-path-to-node=\"7\"\u003eUnlock the full potential of your Arduino Nano with the \u003cb\u003eNano I\/O Expansion Shield\u003c\/b\u003e. Specifically designed to solve the common problem of messy wiring, this board breaks out all digital and analog pins into easy-to-use 3-pin headers (Signal, VCC, GND). It is the perfect companion for prototyping, allowing you to connect sensors, servos, and other modules instantly without a breadboard.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb\u003eWhy You Need This Shield:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"9,0,0\"\u003e\n\u003cb\u003eSimplifies Wiring:\u003c\/b\u003e No more tangled jumper wires. Connect devices directly using standard 3-pin sensor cables.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,1,0\"\u003e\n\u003cb\u003eExternal Power Support:\u003c\/b\u003e The on-board DC barrel jack allows you to power high-current devices (like servo motors) that the Nano's USB port cannot handle alone.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,2,0\"\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Designed for Arduino Nano V3.0, but adaptable for older versions and compatible clones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,0,0\"\u003e\n\u003cb\u003ePlug-and-Play:\u003c\/b\u003e Breaks out all 14 Digital I\/O pins and 8 Analog pins with dedicated power and ground rails.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,1,0\"\u003e\n\u003cb\u003eServo Ready:\u003c\/b\u003e Provides stable external power input specifically for driving servo motors.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,2,0\"\u003e\n\u003cb\u003eCommunication Friendly:\u003c\/b\u003e Dedicated pins for I2C (SDA, SCL) and UART (Rx, Tx) expansion.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,3,0\"\u003e\n\u003cb\u003eStable Power:\u003c\/b\u003e Includes 3.3V output and AREF output for precise voltage reference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Arduino Nano V2.x \/ V3.x\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb\u003eDigital I\/O:\u003c\/b\u003e 14 Pins (servo style with GND, Power, Signal)\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb\u003eAnalog I\/O:\u003c\/b\u003e 8 Pins with power output and GND\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,3,0\"\u003e\n\u003cb\u003ePWM Pins:\u003c\/b\u003e 6\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,4,0\"\u003e\n\u003cb\u003eInterfaces:\u003c\/b\u003e I2C Expansion, UART\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,5,0\"\u003e\n\u003cb\u003ePower Input:\u003c\/b\u003e DC Barrel Jack for external power supply\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38149057314967,"sku":"21PS001381","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/arduino-nano-io-expansion-shield-sensor-module.jpg?v=1763636973"},{"product_id":"hc-05-wireless-module-for-arduino","title":"HC-05 Bluetooth Serial Module for Arduino \/ MCU","description":"\u003cp\u003eThe \u003cb\u003eHC-05 Bluetooth Module\u003c\/b\u003e is a powerful wireless serial communication solution designed for \u003cb\u003eArduino\u003c\/b\u003e, microcontrollers (MCUs), and a wide range of embedded projects. This module is compliant with the Bluetooth V2.0 + EDR (Enhanced Data Rate) protocol, providing stable and reliable wireless data transmission. It can be configured in either \u003cb\u003emaster or slave mode\u003c\/b\u003e, allowing you to easily establish point-to-point connections between devices. Whether you're building a remote-controlled robot, a wireless sensor network, or connecting a PC to your electronic projects, the HC-05 is the perfect choice.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaster\/Slave Configurable:\u003c\/b\u003e Easily switch between master and slave modes using AT commands for versatile communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Voltage Range:\u003c\/b\u003e Operates from 3.3V to 5V, making it fully compatible with popular development boards like Arduino.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Speed Transmission:\u003c\/b\u003e Supports data transfer rates up to 3Mbps for fast and stable communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProgrammable Baud Rate:\u003c\/b\u003e The UART interface baud rate is customizable, with a default of 9600.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlug \u0026amp; Play:\u003c\/b\u003e Features a built-in LED indicator to easily check pairing and connection status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Antenna:\u003c\/b\u003e Equipped with an efficient built-in antenna for excellent wireless signal strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Size:\u003c\/b\u003e The core module measures just 28mm x 15mm, perfect for integration into tight project spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRobotics \u0026amp; RC Cars:\u003c\/b\u003e Wirelessly control your DIY projects using a smartphone or PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSmart Home Systems:\u003c\/b\u003e Create a wireless sensor network for remote monitoring of appliances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternet of Things (IoT):\u003c\/b\u003e Use in GPS navigation systems, utility meter reading systems, and other IoT applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWireless Data Transfer:\u003c\/b\u003e A perfect replacement for traditional wired serial ports, enabling wireless connections between MCUs, PCs, and PDAs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38246143557783,"sku":"21PS001211","price":48.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-05-bluetooth-master-slave-module-with-baseboard.jpg?v=1757148630"},{"product_id":"arduino-uno-r3-case","title":"Arduino UNO R3 Clear Acrylic Protective Case","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProtect your Arduino UNO R3 from dust, damage, and short circuits.\u003c\/li\u003e\n\u003cli\u003ePrecision cut acrylic for perfect fit and easy assembly.\u003c\/li\u003e\n\u003cli\u003eTransparent design shows off your board and indicator lights.\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary screws and nuts for secure mounting.\u003c\/li\u003e\n\u003cli\u003eLightweight and durable material for long-lasting protection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38278971719831,"sku":"21PS001200","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/arduino-uno-r3-clear-case-front.jpg?v=1757150760"},{"product_id":"hc-sr04-ultrasonic-sensor-module","title":"HC-SR04 Ultrasonic Distance Sensor for Arduino \u0026 Raspberry Pi","description":"\u003cp\u003eAdd precise \"eyes\" to your Arduino, Raspberry Pi, or robotics project with the \u003cb\u003eHC-SR04 Ultrasonic Distance Sensor\u003c\/b\u003e. This module is renowned for its stable performance and high accuracy, making it an excellent choice for non-contact distance measurement, object avoidance, and liquid level detection.\u003c\/p\u003e\n\u003cp\u003eIt offers a wide detection range from 2cm to 4.5 meters with an impressive precision of up to 0.3cm. It even handles super-close \"blind spots\" (3cm), ensuring you get reliable data.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Precision:\u003c\/b\u003e Ranging accuracy can reach up to 0.3cm for stable, reliable data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Range:\u003c\/b\u003e Detects distances from 2cm all the way to 450cm (4.5 meters).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMinimal Blind Spot:\u003c\/b\u003e A small 3cm blind spot makes it highly effective for close-proximity detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Works perfectly with Arduino, Raspberry Pi, and other 5V microcontrollers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Power Consumption:\u003c\/b\u003e Quiescent current is less than 2mA, ideal for battery-powered projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFocused Detection:\u003c\/b\u003e A sensing angle of 15 degrees helps to measure objects directly in front of the sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eHow It Works:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eTrigger:\u003c\/b\u003e Supply a high-level signal of at least 10us (microseconds) to the \u003ccode\u003eTrig\u003c\/code\u003e pin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTransmit:\u003c\/b\u003e The module automatically sends out eight 40kHz ultrasonic square waves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReceive:\u003c\/b\u003e The module automatically detects if a returning pulse signal is received.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput:\u003c\/b\u003e If a signal returns, the \u003ccode\u003eEcho\u003c\/code\u003e pin will output a high-level signal. The duration of this high-level signal is the total time from transmission to reception.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCalculation:\u003c\/b\u003e Distance = (High-Level Time \u003cspan class=\"math-inline\" data-math=\"\\times\"\u003e$\\times$\u003c\/span\u003e Speed of Sound (340m\/s)) \/ 2\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cb\u003eProduct Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWorking Voltage: DC 5V\u003c\/li\u003e\n\u003cli\u003eQuiescent Current: \u0026lt; 2mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: High level 5V \/ Low level 0V\u003c\/li\u003e\n\u003cli\u003eSensing Angle: \u003cspan class=\"math-inline\" data-math=\"\\le\"\u003e$\\le$\u003c\/span\u003e 15 degrees\u003c\/li\u003e\n\u003cli\u003eDetection Range: 2cm - 450cm\u003c\/li\u003e\n\u003cli\u003ePinout: Vcc, Trig, Echo, Gnd\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38317316145303,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-sr04-ultrasonic-distance-sensor-module-arduino-raspberry-pi.png?v=1775575256"},{"product_id":"arduino-joystick-module","title":"Arduino PS2 Joystick Module | Dual-Axis Button Rocker Sensor","description":"\u003cp\u003e\u003cb\u003eThe Dual-Axis Joystick Module—your essential component for Arduino creative projects!\u003c\/b\u003e This high-quality sensor is fully compatible with Arduino control boards and PS2 gamepads, making it the perfect choice for building remote controls, robotic arms, or other interactive applications. Its precise analog output and sensitive digital button will take your control to the next level.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Output:\u003c\/b\u003e Features a 2-axis (X, Y) analog output and a 1-axis (Z) digital button output to meet diverse control needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Integrates seamlessly with Arduino expansion shields, enabling easy plug-and-play functionality to speed up your development process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Voltage Support:\u003c\/b\u003e Supports a DC 3.3V to 5V input voltage range, suitable for various development boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Control:\u003c\/b\u003e The cross rocker has a built-in 10K potentiometer, providing smooth and accurate voltage changes from 0V to 5V for fine-tuned control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Application:\u003c\/b\u003e Ideal for creating robotic arms, smart cars, game controllers, and other remote-controlled or interactive projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage:\u003c\/b\u003e DC 3.3V - 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Signal:\u003c\/b\u003e (X, Y) Analog; (Z) Digital Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 34.0mm x 26.0mm x 32.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e Approx. 10g\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNote:\u003c\/b\u003e \u003cb\u003ePlease be extremely careful with power polarity. Reversing the positive and negative terminals will immediately burn out the module.\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38317367066775,"sku":"21PS001184","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/arduino-ps2-joystick-module.jpg?v=1757151347"},{"product_id":"dc-stepper-motor-drive-controller-board-module-l298n","title":"L298N Dual H-Bridge Motor Driver Module for Arduino \u0026 Raspberry Pi","description":"\u003ch2\u003e\u003cb\u003eAre you looking to control DC motors or stepper motors with your Arduino, Raspberry Pi, or Microbit?\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe L298N Dual H-Bridge Motor Driver Module is your perfect solution! This versatile and robust module allows you to easily manage the speed and direction of two DC motors or one 2-phase stepper motor, making it an essential component for robotics, automation, and DIY electronics projects.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDual H-Bridge Design:\u003c\/b\u003e Control two independent DC motors or one 2-phase 4-wire stepper motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Voltage Compatibility:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLogic Voltage:\u003c\/b\u003e 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDriver Voltage:\u003c\/b\u003e 5V - 24V (Supports up to 46V with external 5V logic supply)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Current Output:\u003c\/b\u003e Each bridge can handle a maximum continuous current of 2A (3A peak instantaneous current), with a total rated power of 25W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePWM Control Ready:\u003c\/b\u003e Easily control motor speed using Pulse Width Modulation (PWM) signals through the ENA and ENB pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilt-in 5V Regulator:\u003c\/b\u003e For driver voltages between 7V-12V, the module can provide a stable 5V output to power your microcontroller (e.g., Arduino). \u003ci\u003eNote: For driver voltages above 12V, an external 5V logic supply is recommended to protect the onboard regulator.\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust \u0026amp; Reliable:\u003c\/b\u003e Features an L298N main control chip from ST company, known for strong driving ability, low heat generation, and excellent anti-interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLarge Capacity Filter Capacitor \u0026amp; Protection Diodes:\u003c\/b\u003e Enhances reliability and protects your circuit from current spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact \u0026amp; Lightweight:\u003c\/b\u003e Measuring 43x43x27mm and weighing only 30g, it's easy to integrate into your designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe L298N motor driver is ideal for a wide range of applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRobotics (e.g., smart obstacle avoidance cars, line-following robots)\u003c\/li\u003e\n\u003cli\u003eControlling DC motors and stepper motors\u003c\/li\u003e\n\u003cli\u003eDriving relay coils and other inductive loads\u003c\/li\u003e\n\u003cli\u003eEducational projects with Arduino, Raspberry Pi, Microbit, and other development boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eHow it Works:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe L298N chip is a high-voltage, high-current full-bridge driver. It takes standard logic level signals for control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIN1 \u0026amp; IN2:\u003c\/b\u003e Control Motor A (OUT1 \u0026amp; OUT2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIN3 \u0026amp; IN4:\u003c\/b\u003e Control Motor B (OUT3 \u0026amp; OUT4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eENA:\u003c\/b\u003e Enables\/disables Motor A and controls its speed with PWM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eENB:\u003c\/b\u003e Enables\/disables Motor B and controls its speed with PWM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eConnection Guide \u0026amp; Important Notes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eA. Power Supply Connection:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e+12V (or Driver Voltage):\u003c\/b\u003e Connect your main power supply's positive terminal (DC 5V-24V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGND:\u003c\/b\u003e Connect your main power supply's negative terminal and ensure it's common with your microcontroller's GND.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e+5V Output:\u003c\/b\u003e This pin provides a regulated 5V output (if the onboard 5V jumper is connected and driver voltage is 7-12V). You can use this to power your Arduino or other MCU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOnboard 5V Jumper Cap:\u003c\/b\u003e When connected, the onboard 5V regulator is enabled. \u003cb\u003eImportant:\u003c\/b\u003e If your driver voltage is above 12V, \u003cb\u003eremove this jumper\u003c\/b\u003e and provide an external 5V supply to the +5V output pin for the L298N's logic circuit to prevent damage to the onboard regulator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eB. Motor Connection:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMotor A:\u003c\/b\u003e Connect to OUT1 and OUT2 terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotor B:\u003c\/b\u003e Connect to OUT3 and OUT4 terminals.\u003c\/li\u003e\n\u003cli\u003eIf a motor spins in the wrong direction, simply swap its two connection wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eC. Digital Signal Input (IN1, IN2, IN3, IN4):\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect these pins to your microcontroller's GPIO pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotor Control:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cb style=\"font-size: 0.875rem;\"\u003eForward\/Reverse:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e Set one IN pin HIGH and the other LOW (e.g., for Motor A, set IN1 HIGH, IN2 LOW for one direction; IN1 LOW, IN2 HIGH for the other).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStop:\u003c\/b\u003e Set both IN pins HIGH or both LOW (ensure your code manages this for proper stopping behavior).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eD. ENA \u0026amp; ENB Control:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFor PWM Speed Control:\u003c\/b\u003e \u003cb\u003eRemove the jumper caps\u003c\/b\u003e from ENA and ENB. Connect ENA and ENB to your microcontroller's PWM-capable GPIO pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFor Full Speed (No PWM):\u003c\/b\u003e Leave the jumper caps on ENA and ENB. This enables both channels for continuous operation at full power based on your IN signals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38317428342935,"sku":"21PS001191","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/L298N-Motor-Driver-Module-Top-View.jpg?v=1760868450"},{"product_id":"wireless-module-with-antenna-1000-meters-long-distance","title":"NRF24L01+PA+LNA 2.4GHz Wireless Transceiver Module with Antenna","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBreak the Distance Barrier in Your IoT Projects\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eStandard wireless modules often struggle with signal drops and limited range, ruining the reliability of your custom builds. The\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eNRF24L01+PA+LNA Wireless Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003esolves this by integrating advanced signal amplification. Whether you are building a long-range drone controller, a smart grid sensor network, or an industrial IoT monitoring system, this module ensures your data packets reach their destination flawlessly—even at distances up to 1100 meters in open spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePowerful Amplification with PA + LNA\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eWhat sets this module apart from standard NRF24L01 boards is the dedicated RFX2401C chip, which includes a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePower Amplifier (PA)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eand a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eLow Noise Amplifier (LNA)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e. The PA boosts the transmission output up to +20 dBm, while the LNA enhances the receiver sensitivity (up to -104dBm at 250kbps) and filters out background noise. Combined with the included\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e2dBi SMA antenna\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, you get a rock-solid, bi-directional communication link that penetrates obstacles better than ever before.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eUltra-Low Power for Battery-Operated Devices\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHigh performance doesn't have to mean high power consumption. Designed for modern smart home and wearable tech applications, this transceiver is incredibly energy efficient. It operates on a low\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e3.0V to 3.6V logic\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eand features a power-down standby mode that draws a mere\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e4.2uA\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e. This makes it perfectly suited for battery-powered sensor nodes that need to run for months or even years without maintenance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39377748787351,"sku":"21PS001366","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/nrf24l01-pa-lna-wireless-module-with-antenna.jpg?v=1779859394"},{"product_id":"xh-m145-module","title":"XH-M145 Class D Digital Stereo Amplifier Board | 12V Audio Amp","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHigh-Fidelity Audio for Your DIY Projects\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDon't settle for flat, lifeless sound in your custom audio builds. The\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eXH-M145 Amplifier Board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eis engineered around the premium\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eYDA138-E chip\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, renowned for its high-resolution audio processing. It delivers a wide dynamic range that accurately reproduces every detail of your music. Whether you are building a desktop speaker system, restoring a vintage radio, or creating an arcade cabinet, this board ensures crisp highs and punchy lows with minimal distortion.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eUltra-Efficient Class D Power\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTraditional amplifiers generate massive amounts of heat, requiring large, space-consuming heatsinks. Thanks to advanced\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eClass D automatic pulse width modulation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, the XH-M145 operates with incredible thermal efficiency. It pushes out a robust\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e12W + 12W of stereo power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003e(into 4-ohm speakers) while remaining cool to the touch. This \"chip without heat\" design allows you to install the board into tight, compact enclosures without worrying about overheating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBuilt-in Safety \u0026amp; Noise Reduction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eReliability is just as important as sound quality. This digital amplifier board features built-in\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eovercurrent protection and thermal protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, safeguarding your speakers and the circuitry from unexpected power spikes or short circuits. Furthermore, the integrated noise reduction technology ensures a high\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e92% Signal-to-Noise Ratio (SNR)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, giving you a clean, static-free audio background even when the volume is cranked up.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePlug-and-Play Connectivity\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDesigned with the maker in mind, the XH-M145 makes wiring incredibly simple. It features a standard\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e3.5mm audio jack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eand a 3-pin connector for flexible audio input. The output and power connections utilize heavy-duty\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003egreen screw terminal blocks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, ensuring a secure, solder-free connection to your 12V power supply and speakers. A built-in rotary volume potentiometer (with included knob hardware) gives you instant, tactile control over your audio levels.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39377790926999,"sku":"21PS001312","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/yda138-e-digital-audio-amp-module-angle.jpg?v=1779782803"},{"product_id":"laser-sensor-ky-008","title":"KY-008 650nm Laser Sensor Module for Arduino","description":"\u003cp\u003eThe KY-008 is a compact and easy-to-use 650nm red laser sensor module, perfect for your Arduino projects. Featuring a 5mW laser dot diode with a copper head, it’s ideal for creating laser tripwires, security systems, and other light-based detection projects.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput Wavelength: 650 nm (red laser)\u003c\/li\u003e\n\u003cli\u003eCompact 3-pin module\u003c\/li\u003e\n\u003cli\u003eFixed bolt holes for secure and easy installation\u003c\/li\u003e\n\u003cli\u003eHigh-quality 5mW laser diode with a durable copper head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage: 5V\u003c\/li\u003e\n\u003cli\u003eCurrent: \u0026lt;40mA\u003c\/li\u003e\n\u003cli\u003eDimensions: 15mm x 25mm\u003c\/li\u003e\n\u003cli\u003eLaser output: 5mW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eHow it Works:\u003c\/b\u003e The module is designed to be directly compatible with popular microcontrollers like Arduino. Simply connect the VCC and GND pins to your 5V power supply and the 'S' pin to a digital I\/O pin on your microcontroller. It's a great choice for hobbyists, students, and professionals looking to add a laser feature to their electronics projects.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39377819893911,"sku":"21PS001265","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/ky-008-650nm-laser-sensor-arduino.jpg?v=1756049264"},{"product_id":"l293d-stepper-motor-driver-shield-for-arduino","title":"L293D Motor Driver Shield for Arduino","description":"\u003cp\u003eUnleash the full potential of your Arduino projects with the versatile L293D Motor Driver Shield. Designed for seamless integration with Arduino UNO, Mega 2560, Diecimila, and Duemilanove boards, this shield makes controlling motors effortless for beginners and experienced hobbyists alike. Whether you're building a robot, an interactive electronic project, or experimenting with motor control, this shield offers robust performance and ease of use.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Motor Control:\u003c\/b\u003e Drive up to 4 bi-directional DC motors, 2 stepper motors (unipolar or bipolar), or 2 servo motors simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Resolution Servo Control:\u003c\/b\u003e Two 5V servo motor ports connect directly to Arduino's high-resolution timer for smooth, jitter-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful H-Bridge:\u003c\/b\u003e Features the reliable L293D chip with 4 H-bridges, providing 0.6A per bridge (1.2A peak) with thermal shutdown protection. Supports motors from 4.5V to 36V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnhanced Safety:\u003c\/b\u003e Built-in pull-down resistors ensure motors remain stopped on power-up, preventing accidental movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Wiring:\u003c\/b\u003e Large terminal block connectors (10 - 22AWG) simplify motor and power connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndependent Power Supply:\u003c\/b\u003e Two external power supply terminals allow for separate logic and motor drive power, ensuring stable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArduino Compatibility:\u003c\/b\u003e Fully compatible with Arduino UNO, Mega 2560, Diecimila, and Duemilanove.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBeginner-Friendly:\u003c\/b\u003e Supported by powerful driving libraries and regular functional updates. We highly recommend the Adafruit Motor Shield Library (AFM) for quick project development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConvenient Reset:\u003c\/b\u003e Includes an integrated Arduino reset button.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDIY Ready:\u003c\/b\u003e Available as a complete kit for enthusiasts who prefer to assemble themselves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePossible Configurations:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDrive four DC motors and two servo motors.\u003c\/li\u003e\n\u003cli\u003eDrive two DC motors, one stepper motor, and two servo motors.\u003c\/li\u003e\n\u003cli\u003eDrive two stepper motors and two servo motors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis L293D Motor Driver Shield is an essential component for any Arduino enthusiast looking for a powerful, flexible, and easy-to-use solution for motor control in their projects.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39476776403095,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/arduino-l293d-motor-driver-shield-top-view.jpg?v=1762318575"},{"product_id":"5v-reduction-step-motor-for-arduino","title":"5V Stepper Motor \u0026 ULN2003 Driver Board Kit for Arduino\/STEM","description":"\u003ch2 data-path-to-node=\"8\"\u003eHigh-Precision Motion for Your Next STEM Project\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe \u003cb data-path-to-node=\"9\" data-index-in-node=\"4\"\u003e28BYJ-48 stepper motor\u003c\/b\u003e is a cornerstone of DIY electronics. Unlike standard DC motors that spin freely, this stepper motor moves in precise increments, allowing you to control the exact position of your mechanical parts. With an internal \u003cb data-path-to-node=\"9\" data-index-in-node=\"242\"\u003e1:64 reduction gear ratio\u003c\/b\u003e, it delivers impressive torque despite its compact size, making it capable of moving heavier loads with ease.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003ePlug-and-Play ULN2003 Driver Board\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eConnecting high-power motors directly to a microcontroller can be risky. The included \u003cb data-path-to-node=\"11\" data-index-in-node=\"86\"\u003eULN2003 Driver Board\u003c\/b\u003e acts as the perfect intermediary. It features a high-current Darlington array to safely power the motor while receiving logic signals from your Arduino or Raspberry Pi. The board includes an \u003cb data-path-to-node=\"11\" data-index-in-node=\"298\"\u003eXH-5P socket\u003c\/b\u003e, allowing you to plug the motor directly in—no soldering or messy wiring required.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eReal-Time Monitoring \u0026amp; Feedback\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eVisual troubleshooting is essential for learning. The driver board is equipped with \u003cb data-path-to-node=\"13\" data-index-in-node=\"84\"\u003efour onboard LEDs (A, B, C, D)\u003c\/b\u003e that light up to show the current phase of the motor. This provides immediate visual confirmation that your code is working correctly and allows you to understand the logic behind 4-phase motor stepping.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39476800225431,"sku":"21PS001208","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/28byj-48-stepper-motor-uln2003-kit.jpg?v=1776414570"},{"product_id":"45-in-1-sensors-kit-for-arduino-r3-raspberry-pi","title":"43-in-1 Sensor Module Kit for Arduino \u0026 Raspberry Pi","description":"\u003cp data-start=\"257\" data-end=\"675\"\u003e\u003cstrong data-start=\"257\" data-end=\"308\"\u003eUnleash Creativity with the 43-in-1 Sensor Kit!\u003c\/strong\u003e\u003cbr data-start=\"308\" data-end=\"311\"\u003eStep into the world of electronics and coding with this all-in-one sensor module kit. Featuring 43 versatile modules, it’s perfect for students, hobbyists, and developers who want to bring their projects to life. Compatible with Arduino and Raspberry Pi, the kit is your go-to companion for endless DIY experiments, STEM education, robotics, and IoT development.\u003c\/p\u003e\n\u003cp data-start=\"677\" data-end=\"696\"\u003e\u003cstrong data-start=\"677\" data-end=\"694\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"699\" data-end=\"817\"\u003e\n\u003cstrong data-start=\"699\" data-end=\"724\"\u003e43 Modules in One Kit\u003c\/strong\u003e – Covers environmental sensing, motion detection, input controls, and sound\/light outputs.\u003c\/li\u003e\n\u003cli data-start=\"820\" data-end=\"924\"\u003e\n\u003cstrong data-start=\"820\" data-end=\"847\"\u003eUniversal Compatibility\u003c\/strong\u003e – Works seamlessly with Arduino UNO R3, Mega, and all Raspberry Pi models.\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"1013\"\u003e\n\u003cstrong data-start=\"927\" data-end=\"948\"\u003eBeginner-Friendly\u003c\/strong\u003e – A hands-on way to learn electronics and coding fundamentals.\u003c\/li\u003e\n\u003cli data-start=\"1016\" data-end=\"1104\"\u003e\n\u003cstrong data-start=\"1016\" data-end=\"1040\"\u003eOrganized \u0026amp; Portable\u003c\/strong\u003e – Comes in a durable multi-compartment case for easy storage.\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1198\"\u003e\n\u003cstrong data-start=\"1107\" data-end=\"1132\"\u003eEndless Possibilities\u003c\/strong\u003e – Build weather stations, robots, smart home systems, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1200\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1200\" data-end=\"1220\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"1220\" data-end=\"1223\"\u003eEnvironmental \u0026amp; Measurement | Motion \u0026amp; Position | Input \u0026amp; Control | Output, Sound \u0026amp; Light\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1317\" data-end=\"1396\"\u003eFlame sensor, Temp \u0026amp; Humidity, Soil Moisture, Water Level, Light sensor, etc.\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1476\"\u003eGyroscope (MPU6050), Tilt switch, Tracking module, Obstacle avoidance, etc.\u003c\/li\u003e\n\u003cli data-start=\"1479\" data-end=\"1558\"\u003eButton switch, Rotary encoder, Joystick, Touch sensor, Heartbeat sensor, etc.\u003c\/li\u003e\n\u003cli data-start=\"1561\" data-end=\"1650\"\u003eRGB LEDs, Buzzers, Laser module, Relay, IR modules, SD card reader, Power modules, etc.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39608732352663,"sku":"","price":239.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/43-in-1-sensor-kit-modules-for-arduino-raspberry-pi.jpg?v=1756048561"},{"product_id":"2-5-14mm-reed-switch","title":"3-Pin Magnetic Reed Switch (SPDT NO\/NC) - 60V 4W Sensor | MKA-27","description":"\u003ch2 data-path-to-node=\"6\"\u003eVersatile Magnetic Control for Advanced Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eWhether you are building a custom home security system or prototyping an automated robotics project, reliable sensor feedback is critical. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"143\"\u003e3-Pin Magnetic Reed Switch (MKA-27)\u003c\/b\u003e offers exceptional versatility by combining both Normally Open (NO) and Normally Closed (NC) functions into a single, compact component. This Single Pole Double Throw (SPDT) configuration allows you to easily toggle circuits without needing multiple sensors.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eHow the 3-Pin Reed Switch Works\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eUnlike standard 2-pin models, this 3-pin switch provides a seamless state conversion. The hermetically sealed glass tube contains rhodium-plated elastic reeds surrounded by an inert gas.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eWithout a Magnetic Field:\u003c\/b\u003e The common pin connects to the Normally Closed (NC) pin.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eWith a Magnetic Field:\u003c\/b\u003e When a permanent magnet approaches, the magnetic flux magnetizes the reeds, pulling the common pin to the Normally Open (NO) contact and completing your secondary circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003eOnce the magnetic field is removed, the natural elasticity of the metal snaps the connection back to its original state in mere milliseconds.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eEngineered for Precision and Longevity\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eDesigned for high-frequency operations, this switch boasts a rapid response time of \u003cb data-path-to-node=\"13\" data-index-in-node=\"84\"\u003e0.25ms\u003c\/b\u003e and a lifespan of up to \u003cspan class=\"math-inline\" data-math=\"5 \\times 10^6\" data-index-in-node=\"115\"\u003e$5 \\times 10^6$\u003c\/span\u003e cycles under standard load. \u003cb data-path-to-node=\"13\" data-index-in-node=\"157\"\u003ePlease note that while the internal components are sealed, the external metal pins do not possess waterproofing features.\u003c\/b\u003e Ensure your application environment remains dry to prevent short circuits and maintain optimal performance.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39608783405207,"sku":"21PS001073","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/3-pin-reed-switch-mka-27-main.jpg?v=1776229733"},{"product_id":"a38-switch-module-for-smart-car","title":"A38 Touch Sensor Switch Module | DC 3-5V TTL Output for Arduino \u0026 DIY","description":"\u003ch2 data-path-to-node=\"8\"\u003eModernize Your Interface with Capacitive Touch Technology\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eMechanical switches often suffer from contact bounce and physical wear over time. The \u003cb data-path-to-node=\"9\" data-index-in-node=\"86\"\u003eA38 Touch Sensor Module\u003c\/b\u003e solves this by utilizing capacitive sensing, allowing users to trigger actions with a simple tap on the gold-plated induction zone. This module is the perfect bridge between human interaction and digital logic.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eEngineered for Stability and Precision\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eAt the heart of the A38 is a robust \u003cb data-path-to-node=\"11\" data-index-in-node=\"36\"\u003eoperational amplifier (LM393)\u003c\/b\u003e and triode circuit. This configuration ensures that the module maintains a \u003cb data-path-to-node=\"11\" data-index-in-node=\"141\"\u003estrong anti-interference capability\u003c\/b\u003e, preventing false triggers caused by environmental noise or electromagnetic interference. It operates on a versatile \u003cb data-path-to-node=\"11\" data-index-in-node=\"294\"\u003eDC 3-5V range\u003c\/b\u003e, making it compatible with most standard power rails found in Arduino, Raspberry Pi, and ESP32 ecosystems.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eSeamless Integration for Smart Projects\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eThe board is designed with \"Plug-and-Play\" simplicity in mind. Using standard \u003cb data-path-to-node=\"13\" data-index-in-node=\"78\"\u003e2.54mm pitch headers\u003c\/b\u003e, it fits perfectly into breadboards or jumper wire setups. The onboard \u003cb data-path-to-node=\"13\" data-index-in-node=\"170\"\u003eTTL level indicator LED\u003c\/b\u003e provides instant visual feedback, making debugging a breeze during the development phase of your smart car or relay-controlled system.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39627882889367,"sku":"21PS001227","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/a38-touch-sensor-module-top-view.jpg?v=1770541280"},{"product_id":"hc-08-bluetooth-sensor-module","title":"HC-08 Bluetooth 4.0 BLE Serial UART Module","description":"\u003cp\u003eEasily add powerful and efficient wireless communication to your next project with the \u003cb\u003eHC-08 Bluetooth 4.0 BLE Module\u003c\/b\u003e. This module is perfect for hobbyists and professionals alike, offering a simple way to connect your microcontroller (like an Arduino, ESP32, or Raspberry Pi) to a smartphone, computer, or another HC-08 module.\u003c\/p\u003e\n\u003cp\u003eBased on the Bluetooth 4.0 BLE (Bluetooth Low Energy) standard, it provides a stable connection over a long distance while consuming minimal power, making it ideal for battery-powered applications such as IoT devices, wearables, and remote sensors. The straightforward UART serial interface allows for quick integration into your existing projects with minimal coding.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBluetooth 4.0 BLE Technology:\u003c\/b\u003e Utilizes the low-energy standard for power-efficient wireless data transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong Transmission Range:\u003c\/b\u003e Capable of communicating up to \u003cb\u003e80 meters\u003c\/b\u003e in an open environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimple UART Interface:\u003c\/b\u003e Easily communicates with virtually any microcontroller using standard serial (TX\/RX) pins at a 3.3V TTL level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUltra-Low Power Consumption:\u003c\/b\u003e With a sleep current of just \u003cb\u003e0.4µA\u003c\/b\u003e, it's perfect for long-lasting battery-powered projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Onboard Antenna:\u003c\/b\u003e The built-in PCB antenna provides excellent performance without the need for external components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Size:\u003c\/b\u003e The small form factor allows for easy integration into space-constrained designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003ePotential Applications:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInternet of Things (IoT) devices\u003c\/li\u003e\n\u003cli\u003eRemote control systems\u003c\/li\u003e\n\u003cli\u003eWireless data logging and acquisition\u003c\/li\u003e\n\u003cli\u003eWearable technology\u003c\/li\u003e\n\u003cli\u003eHome automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e HC-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Frequency:\u003c\/b\u003e 2.4GHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCommunication Interface:\u003c\/b\u003e UART (3.3V TTL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Voltage:\u003c\/b\u003e 2.0V - 3.6V (Module only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTransmission Distance:\u003c\/b\u003e Up to 80 meters (open space)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTransmit Power:\u003c\/b\u003e +4dBm (Max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReceiver Sensitivity:\u003c\/b\u003e -93dBm @ 1Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAir Data Rate:\u003c\/b\u003e 1Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCurrents:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eTransmit: 31.6mA\u003c\/li\u003e\n\u003cli\u003eReceive: 15.8mA\u003c\/li\u003e\n\u003cli\u003eSleep Mode: 0.4µA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModule Size:\u003c\/b\u003e 26.9mm x 13mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eBreakout Board Pinout:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSTATE:\u003c\/b\u003e Connection status output (Low when not connected, High when connected)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRXD:\u003c\/b\u003e Serial Data Receive (Connect to microcontroller's TX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTXD:\u003c\/b\u003e Serial Data Transmit (Connect to microcontroller's RX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGND:\u003c\/b\u003e Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVCC:\u003c\/b\u003e Power Supply (The breakout board supports 3.2V - 6V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKEY:\u003c\/b\u003e Used to enter AT command mode (Pull HIGH before powering on)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39628041748631,"sku":"","price":59.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-08-bluetooth-4-ble-uart-module.jpg?v=1755784079"},{"product_id":"ds18b20-temperature-measurement-sensor-module","title":"DS18B20 Digital Temperature Sensor Module for Arduino","description":"\u003cp data-start=\"346\" data-end=\"838\"\u003eThis DS18B20 digital temperature sensor module is a convenient solution designed for Arduino and various microcontroller (MCU) developers. Unlike the standalone DS18B20 chip, this module integrates the required pull-up resistor and a power indicator LED directly on the PCB. No more searching for resistors or dealing with complex breadboard wiring — simply connect three wires (Power, Ground, Data) to start reading accurate temperature values, greatly simplifying your development workflow.\u003c\/p\u003e\n\u003chr data-start=\"840\" data-end=\"843\"\u003e\n\u003ch4 data-start=\"845\" data-end=\"865\"\u003e\u003cstrong data-start=\"849\" data-end=\"865\"\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"867\" data-end=\"943\"\u003e\n\u003cstrong data-start=\"867\" data-end=\"890\"\u003eGenuine Sensor Chip\u003c\/strong\u003e\u003cbr data-start=\"890\" data-end=\"893\"\u003eUses an original DS18B20 temperature sensing chip.\u003c\/li\u003e\n\u003cli data-start=\"945\" data-end=\"1077\"\u003e\n\u003cstrong data-start=\"945\" data-end=\"969\"\u003ePlug-and-Play Design\u003c\/strong\u003e\u003cbr data-start=\"969\" data-end=\"972\"\u003eBuilt-in pull-up resistor allows direct connection to MCU I\/O pins with no additional soldering required.\u003c\/li\u003e\n\u003cli data-start=\"1079\" data-end=\"1182\"\u003e\n\u003cstrong data-start=\"1079\" data-end=\"1099\"\u003eStatus Indicator\u003c\/strong\u003e\u003cbr data-start=\"1099\" data-end=\"1102\"\u003eEquipped with an onboard power LED for easy visual confirmation of power status.\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1312\"\u003e\n\u003cstrong data-start=\"1184\" data-end=\"1206\"\u003eFlexible Expansion\u003c\/strong\u003e\u003cbr data-start=\"1206\" data-end=\"1209\"\u003eFeatures a 3-pin header footprint that allows users to replace or re-solder the DS18B20 chip if needed.\u003c\/li\u003e\n\u003cli data-start=\"1314\" data-end=\"1451\"\u003e\n\u003cstrong data-start=\"1314\" data-end=\"1338\"\u003eWide Voltage Support\u003c\/strong\u003e\u003cbr data-start=\"1338\" data-end=\"1341\"\u003eSupports 3.3V to 5V input — fully compatible with Arduino, Raspberry Pi, and various 5V\/3.3V microcontrollers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1453\" data-end=\"1456\"\u003e\n\u003ch4 data-start=\"1458\" data-end=\"1490\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1490\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1494\" data-end=\"1546\"\u003e\n\u003cstrong data-start=\"1494\" data-end=\"1503\"\u003eSize:\u003c\/strong\u003e 21mm x 10mm (compact size, space-saving)\u003c\/li\u003e\n\u003cli data-start=\"1549\" data-end=\"1606\"\u003e\n\u003cstrong data-start=\"1549\" data-end=\"1576\"\u003eCommunication Protocol:\u003c\/strong\u003e 1-Wire single-bus interface\u003c\/li\u003e\n\u003cli data-start=\"1609\" data-end=\"1649\"\u003e\n\u003cstrong data-start=\"1609\" data-end=\"1631\"\u003eTemperature Range:\u003c\/strong\u003e −55°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1651\" data-end=\"1654\"\u003e\n\u003ch4 data-start=\"1656\" data-end=\"1676\"\u003e\u003cstrong data-start=\"1660\" data-end=\"1676\"\u003eWiring Guide\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1680\" data-end=\"1721\"\u003e\n\u003cstrong data-start=\"1680\" data-end=\"1688\"\u003eVCC:\u003c\/strong\u003e Connect to 3.3V–5V power input\u003c\/li\u003e\n\u003cli data-start=\"1724\" data-end=\"1741\"\u003e\n\u003cstrong data-start=\"1724\" data-end=\"1732\"\u003eGND:\u003c\/strong\u003e Ground\u003c\/li\u003e\n\u003cli data-start=\"1744\" data-end=\"1815\"\u003e\n\u003cstrong data-start=\"1744\" data-end=\"1760\"\u003eDQ (or OUT):\u003c\/strong\u003e Digital signal output (connect to Arduino Digital Pin)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1817\" data-end=\"1820\"\u003e\n\u003ch4 data-start=\"1822\" data-end=\"1846\"\u003e\u003cstrong data-start=\"1826\" data-end=\"1846\"\u003ePackage Includes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1850\" data-end=\"1891\"\u003e\u003cstrong data-start=\"1850\" data-end=\"1891\"\u003e1 × DS18B20 Temperature Sensor Module\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39697354522775,"sku":"21PS001468","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/ds18b20-temperature-sensor-module-arduino-front-view.jpg?v=1763634571"},{"product_id":"5pcs-lot-1-5a-5v-three-terminal-tegulator-l7805cv","title":"5pcs L7805CV 7805 5V 1.5A Linear Voltage Regulator for Arduino","description":"\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eOverview\u003c\/h4\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis pack includes 5 pieces of L7805CV \/ 7805 positive linear voltage regulators in a TO‑220 package, each providing a fixed 5V output up to 1.5A. The regulators are widely used to power Arduino boards, sensors and other 5V logic circuits from higher DC input voltages.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/docs.cirkitdesigner.com\/component\/1e489b6c-0e9c-4f1b-98f8-b8590afb7732\/7805\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFixed +5V output, up to 1.5A continuous load current (peak around 2.2A with proper heatsinking).\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.addicore.com\/products\/5v-voltage-regulator-1-5a-l7805cv\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWide input voltage range, typically 7–25V DC for stable regulation.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.electronicsforu.com\/technology-trends\/learn-electronics\/7805-ic-voltage-regulator\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTO‑220 through‑hole package with 2.54mm lead spacing, easy for breadboard or PCB prototyping.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.diyelectronics.co.za\/store\/linear\/2699-l7805cv-linear-voltage-regulator-5v-fixed-output.html\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt‑in thermal shutdown and short‑circuit current limiting for safer projects.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.addicore.com\/products\/5v-voltage-regulator-1-5a-l7805cv\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCommonly used in DIY 5V power supplies, Arduino projects, servo and sensor power rails.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/easyelectronicsproject.com\/mini-projects\/5v-power-supply-circuit-7805\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePin configuration\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(front view, pins downward)\u003c\/p\u003e\n\u003col\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e: Connect 7–25V DC.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\n\u003cstrong\u003eGround\u003c\/strong\u003e: Common ground with your circuit.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e: Regulated +5V DC.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eTypical applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e5V power supply module for Arduino Uno, Nano and other 5V microcontroller boards.\u003cspan class=\"inline-flex\" aria-label=\"Learning Arduino for beginners EP#19 how to power your Arduino with a 7805 voltage regulator\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"How to Use 7805: Examples, Pinouts, and Specs\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/docs.cirkitdesigner.com\/component\/1e489b6c-0e9c-4f1b-98f8-b8590afb7732\/7805\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRegulated 5V rail for sensors, small DC motors or servos (with appropriate decoupling capacitors and heatsink).\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/forum.arduino.cc\/t\/powering-a-servo-through-a-7805-regulator\/486667\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eGeneral 5V bench supply or adapter converter from 9V\/12V DC sources for breadboard experiments.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.pcbway.com\/project\/shareproject\/Simple_7805_based_5V_regulator_for_Arduino_projects.html\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39966333763735,"sku":"21PS000721","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/l7805cv-5v-1-5a-regulator-5pcs-front.png?v=1775466617"},{"product_id":"reprap-stepper-driver-a4988","title":"A4988 Stepper Motor Driver Module with Heatsink for 3D Printer Arduino","description":"\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eOverview\u003c\/h4\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe A4988 stepper motor driver module is a microstepping driver with built‑in translator that simplifies control of bipolar stepper motors from a microcontroller or Arduino. It supports up to 35 V motor supply and up to 2 A per coil with proper cooling, making it suitable for NEMA 17 motors in Reprap 3D printers and CNC projects.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.pololu.com\/file\/0j450\/a4988_dmos_microstepping_driver_with_translator.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eInput motor voltage 8–35 V, up to 2 A per phase (≈1 A continuous without extra cooling, more with included heatsink).\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/components101.com\/modules\/a4988-stepper-motor-driver-module\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFive microstepping modes: full, 1\/2, 1\/4, 1\/8 and 1\/16 step for smoother and quieter motion.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.makerguides.com\/a4988-stepper-motor-driver-arduino-tutorial\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSimple STEP and DIR control interface, compatible with 3.3 V and 5 V logic (Arduino, RAMPS, CNC controllers).\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/lastminuteengineers.com\/a4988-stepper-motor-driver-arduino-tutorial\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAdjustable current limit via on‑board potentiometer to match your stepper motor and reduce overheating.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.nkxmotor.com\/shop\/stepper-driver\/a4988\/a4988-stepper-motor-driver-module-with-heatsink\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt‑in protections: thermal shutdown, undervoltage lockout, crossover‑current, ground‑fault and load short‑circuit protection.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/electropeak.com\/a4988-reprap-stepper-motor-driver\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eTypical applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReprap‑style 3D printers using RAMPS or similar controller boards.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesktop CNC machines, laser engravers and robotics requiring precise position control.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/circuitdigest.com\/microcontroller-projects\/interface-a4988-stepper-motor-driver-with-arduino\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDIY motion‑control projects using Arduino, Raspberry Pi or other MCUs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eWhat’s included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × A4988 stepper motor driver module (header pins pre‑soldered, red PCB version)\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Aluminium heatsink with adhesive backing for improved thermal dissipation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40016160096407,"sku":"21PS001599","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/a4988-stepper-driver-module-with-heatsink-top.jpg?v=1766909078"},{"product_id":"joystick-keypad-shield-expansion-board-for-arduino","title":"JoyStick Keypad Shield Expansion Board for Arduino | PS2 Controller","description":"\u003ch4 data-start=\"330\" data-end=\"388\"\u003e🎮 \u003cstrong data-start=\"337\" data-end=\"388\"\u003ePS2-Style Joystick Expansion Shield for Arduino\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"389\" data-end=\"683\"\u003eTake full control of your DIY electronics and robotics projects with the \u003cstrong data-start=\"462\" data-end=\"504\"\u003eJoyStick Keypad Shield Expansion Board\u003c\/strong\u003e, designed with PS2-style joystick movement and multi-button input. Plug directly onto your \u003cstrong data-start=\"596\" data-end=\"631\"\u003eArduino UNO, Mega, STM32, 89S51\u003c\/strong\u003e, and other MCU platforms without additional wiring.\u003c\/p\u003e\n\u003cp data-start=\"685\" data-end=\"828\"\u003eIdeal for \u003cstrong data-start=\"695\" data-end=\"794\"\u003erobot control, cloud platform control, game development, simulation keyboard\/mouse applications\u003c\/strong\u003e, and DIY remote control hardware.\u003c\/p\u003e\n\u003chr data-start=\"830\" data-end=\"833\"\u003e\n\u003ch4 data-start=\"835\" data-end=\"857\"\u003e⭐ \u003cstrong data-start=\"841\" data-end=\"857\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"858\" data-end=\"1467\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"858\" data-end=\"883\"\u003e\n\u003ctr data-start=\"858\" data-end=\"883\"\u003e\n\u003cth data-start=\"858\" data-end=\"868\" data-col-size=\"sm\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"868\" data-end=\"883\" data-col-size=\"md\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"908\" data-end=\"1467\"\u003e\n\u003ctr data-start=\"908\" data-end=\"985\"\u003e\n\u003ctd data-start=\"908\" data-end=\"936\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"910\" data-end=\"935\"\u003ePS2 Joystick + Select\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"936\" data-end=\"985\"\u003e360° analog stick with integrated push button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"986\" data-end=\"1050\"\u003e\n\u003ctd data-start=\"986\" data-end=\"1009\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"988\" data-end=\"1008\"\u003e5 Action Buttons\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1009\" data-end=\"1050\"\u003eA, B, C, D + KEY (PlayStation layout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1051\" data-end=\"1118\"\u003e\n\u003ctd data-start=\"1051\" data-end=\"1079\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1053\" data-end=\"1078\"\u003enRF24L01 RF Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1079\" data-end=\"1118\"\u003eSupports up to 1–6 wireless pairing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1119\" data-end=\"1174\"\u003e\n\u003ctd data-start=\"1119\" data-end=\"1145\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1121\" data-end=\"1144\"\u003eNokia 5110 LCD port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1145\" data-end=\"1174\"\u003eDirect LCD output control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1175\" data-end=\"1244\"\u003e\n\u003ctd data-start=\"1175\" data-end=\"1212\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1177\" data-end=\"1211\"\u003eBluetooth Serial Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1212\" data-end=\"1244\"\u003ePerfect for wireless control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1245\" data-end=\"1320\"\u003e\n\u003ctd data-start=\"1245\" data-end=\"1275\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1247\" data-end=\"1274\"\u003eI2C (IIC) Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1275\" data-end=\"1320\"\u003eEasy integration with sensors and modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1321\" data-end=\"1399\"\u003e\n\u003ctd data-start=\"1321\" data-end=\"1354\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1323\" data-end=\"1353\"\u003e3.3V \/ 5V Power Switchable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1354\" data-end=\"1399\"\u003eSupports Arduino + STM development boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1400\" data-end=\"1467\"\u003e\n\u003ctd data-start=\"1400\" data-end=\"1437\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1402\" data-end=\"1436\"\u003ePin Layout Matches Arduino UNO\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1437\" data-end=\"1467\"\u003ePlug-and-Play direct mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1469\" data-end=\"1472\"\u003e\n\u003ch4 data-start=\"1474\" data-end=\"1499\"\u003e🔧 \u003cstrong data-start=\"1481\" data-end=\"1499\"\u003eSpecifications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1502\" data-end=\"1535\"\u003eRF: \u003cstrong data-start=\"1506\" data-end=\"1535\"\u003enRF24L01 module interface\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1538\" data-end=\"1575\"\u003eDisplay: \u003cstrong data-start=\"1547\" data-end=\"1575\"\u003eNokia 5110 LCD interface\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1578\" data-end=\"1619\"\u003eCommunication: \u003cstrong data-start=\"1593\" data-end=\"1619\"\u003eI2C \/ Bluetooth Serial\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1622\" data-end=\"1661\"\u003eInput: \u003cstrong data-start=\"1629\" data-end=\"1661\"\u003e1×Joystick + 5×Micro Buttons\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1664\" data-end=\"1700\"\u003eVoltage: \u003cstrong data-start=\"1673\" data-end=\"1700\"\u003e3.3V \/ 5V toggle switch\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1703\" data-end=\"1774\"\u003eCompatible With: \u003cstrong data-start=\"1720\" data-end=\"1774\"\u003eArduino UNO, Mega 1280\/2560, STM boards, 89S51 MCU\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1776\" data-end=\"1779\"\u003e\n\u003ch4 data-start=\"1781\" data-end=\"1808\"\u003e📦 \u003cstrong data-start=\"1788\" data-end=\"1808\"\u003ePackage Includes\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1811\" data-end=\"1846\"\u003e1 × JoyStick Expansion Shield Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40138300031127,"sku":"21PS001226","price":33.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/arduino-joystick-shield-uno-nrf24l01-5110-i2c-keypad-buttons.jpg?v=1765095680"},{"product_id":"3-6v-gear-motor-for-arudino-smart-car","title":"DC 3-6V TT Gear Motor (1:48) Dual Shaft for Arduino Robot Car Kit","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUpgrade your robotics projects with this high-torque DC 3-6V TT Gear Motor, designed for Arduino, robotic vehicles, and DIY kits. Built with a robust 1:48 gear ratio, this dual shaft motor offers steady, low-RPM power, making it perfect for driving wheels on small robot chassis and smart cars.\u003c\/p\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDual shaft output for flexible wheel or encoder attachment\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePowerful magnetic motor with anti-interference design for stable, reliable operation\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWide operating voltage (3V–6V) compatible with standard battery packs\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOptimized 1:48 gearbox for high torque at safe speeds\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDurable yellow housing, simple mounting\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIdeal for Arduino projects, STEM kits, remote-controlled cars, and robot prototypes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eApplication Examples\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eArduino-based line-following robots\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eObstacle-avoidance smart cars\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEducational robotics kits\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRemote control vehicle builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cdiv class=\"group relative\"\u003e\n\u003cdiv class=\"w-full overflow-x-auto md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-transparent\"\u003e\n\u003ctable class=\"border-subtler my-[1em] w-full table-auto border-separate border-spacing-0 border-l border-t\"\u003e\n\u003cthead class=\"bg-subtler\"\u003e\n\u003ctr\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eFeature\u003c\/th\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eValue\u003c\/th\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e3V to 6V DC\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eWorks with 2–4 AA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eGear Ratio\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e1:48\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eConverts speed to usable torque\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eNo-load Speed (at 5V)\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eApprox. 208 RPM\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eBalanced speed; ideal for beginners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e71mm × 38mm × 22.4mm\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eStandard TT size for most robot frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eShaft Type\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eDual\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eAccepts wheels and encoders simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bg-base border-subtler shadow-subtle pointer-coarse:opacity-100 right-xs absolute bottom-0 flex rounded-lg border opacity-0 transition-opacity group-hover:opacity-100 [\u0026amp;\u0026gt;*:not(:first-child)]:border-subtle [\u0026amp;\u0026gt;*:not(:first-child)]:border-l\"\u003e\n\u003cdiv class=\"flex\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"flex\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eGive your robots controlled movement and dependable performance with this popular TT gear motor—essential for any smart car or Arduino kit!\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40159978881175,"sku":"21PS001473","price":7.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/tt-motor-dc-geared-motor-3v-6v-yellow.png?v=1776352804"},{"product_id":"40pin-20cm-dupont-wire-male-to-male","title":"40-Pin Male-to-Male Dupont Jumper Wires for Arduino \u0026 Raspberry Pi","description":"\u003cp\u003eEffortlessly connect components in your electronics projects with this versatile 40-pin male-to-male Dupont jumper wire ribbon. Designed for hobbyists and professionals alike, these high-quality wires are an essential tool for prototyping and circuit building.\u003c\/p\u003e\n\u003cp\u003eThe ribbon can be easily separated into individual or smaller groups of wires to match the specific needs of your project, providing a clean and organized solution for your connections.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile 40-Pin Ribbon:\u003c\/b\u003e Comes as a single 40-wire ribbon that can be easily pulled apart to create custom wire bundles for your specific needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMale-to-Male Connectors:\u003c\/b\u003e Equipped with male pins on both ends, perfect for connecting female headers on development boards like Arduino, Raspberry Pi, or standard breadboards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandard 2.54mm Pitch:\u003c\/b\u003e The pins are spaced at a standard \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e2.54\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003emm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (0.1 inch), ensuring compatibility with most breadboards, IC sockets, and prototyping boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible \u0026amp; Durable:\u003c\/b\u003e Made from high-quality, flexible materials that withstand frequent bending and plugging, ensuring a reliable connection every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e An indispensable component for any DIY electronics kit, fully compatible with Arduino, Raspberry Pi, ESP32, microcontrollers, and various PCBs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eConnector Type:\u003c\/b\u003e Male-to-Male (M2M)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePin Count:\u003c\/b\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e2.54\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003emm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength Options:\u003c\/b\u003e 20 cm, 40 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e 1x 40-wire ribbon cable\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"20cm","offer_id":44368156459159,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true},{"title":"40cm","offer_id":44368156524695,"sku":"","price":35.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/male-to-male-dupont-jumper-wires-40-pin-ribbon.jpg?v=1754218967"},{"product_id":"hc-06-bluetooth-module","title":"HC-06 Slave Bluetooth Serial Transceiver Module for Arduino","description":"\u003cp\u003eEffortlessly add wireless capabilities to your electronics projects with the HC-06 Bluetooth to Serial Module. Designed for simplicity and reliability, this module acts as a transparent wireless serial connection, making it incredibly easy to send and receive data from your Arduino, microcontroller (MCU), or PC without writing complex Bluetooth code.\u003c\/p\u003e\n\u003cp\u003ePerfect for robotics, remote control systems, and wireless data logging, the HC-06 is the go-to choice for hobbyists and professionals looking for a straightforward wireless solution.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePlug-and-Play Serial Communication:\u003c\/b\u003e Once paired, the module functions as a full-duplex serial port, allowing for transparent data transmission without needing to understand any Bluetooth protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad MCU Compatibility:\u003c\/b\u003e The 3.3V interface level and onboard voltage regulator allow for direct connection to both 3.3V and 5V microcontrollers like Arduino UNO, Mega, Nano, PIC, AVR, and ARM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConfigurable Settings:\u003c\/b\u003e Use simple AT commands to customize the device name, pairing PIN code, and baud rate before a connection is established. Your settings are saved even after powering off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStable Wireless Connection:\u003c\/b\u003e Provides a reliable RF wireless connection with a signal coverage of up to 10 meters (30 feet).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOnboard Status Indicator:\u003c\/b\u003e Includes an LED status output pin that allows your microcontroller to easily determine the Bluetooth connection status.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e HC-06 (Slave Mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage:\u003c\/b\u003e 3.6V – 6V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Logic Level:\u003c\/b\u003e 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Current:\u003c\/b\u003e ~30mA (unpaired), ~10mA (paired)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCommunication Interface:\u003c\/b\u003e UART (VCC, GND, TXD, RXD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDefault Baud Rate:\u003c\/b\u003e 9600, 8, 1, n (8 data bits, 1 stop bit, no parity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSignal Range:\u003c\/b\u003e Up to 10 meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 3.57cm x 1.52cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eImportant Note:\u003c\/b\u003e For communication, remember to cross-connect the pins: The module's TXD (Transmit) pin connects to your microcontroller's RXD (Receive) pin, and the module's RXD pin connects to your microcontroller's TXD pin.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x HC-06 Bluetooth Serial Transceiver Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40353652834455,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-06-bluetooth-module-component.jpg?v=1755179330"},{"product_id":"ch340g-rs232-to-ttl-module","title":"CH340 USB to TTL Serial Adapter Module (3.3V\/5V)","description":"\u003cp\u003e\u003cspan\u003eEffortlessly connect your microcontroller projects to your computer with our reliable CH340 USB to TTL Serial Adapter.\u003c\/span\u003e\u003cspan\u003e This compact module is the perfect tool for programming Arduino Pro Mini,\u003c\/span\u003e\u003cspan\u003e ESP8266\/ESP32 modules,\u003c\/span\u003e\u003cspan\u003e unbricking routers,\u003c\/span\u003e\u003cspan\u003e or communicating with any TTL serial device directly from a USB port.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBased on the stable CH340G chip,\u003c\/span\u003e\u003cspan\u003e this adapter avoids the common driver and compatibility issues found in older chips like the PL2303,\u003c\/span\u003e\u003cspan\u003e ensuring a smooth plug-and-play experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eReliable CH340G Chip:\u003c\/b\u003e\u003cspan\u003e Utilizes the industry-proven CH340G IC,\u003c\/span\u003e\u003cspan\u003e ensuring stable performance and broad compatibility across different computers and operating systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eSelectable Logic Levels:\u003c\/b\u003e\u003cspan\u003e Easily switch between \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e3.3\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e5\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e power and logic levels using the onboard jumper.\u003c\/span\u003e\u003cspan\u003e This makes it versatile enough to work with a wide range of microcontrollers and peripherals.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eOn-board Status LEDs:\u003c\/b\u003e\u003cspan\u003e Features Power (PWR),\u003c\/span\u003e\u003cspan\u003e Transmit (TXD),\u003c\/span\u003e\u003cspan\u003e and Receive (RXD) LEDs,\u003c\/span\u003e\u003cspan\u003e allowing you to visually monitor the module's status and data activity at a glance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eHigh-Quality Construction:\u003c\/b\u003e\u003cspan\u003e Built with a gold-plated USB connector and durable yellow pin headers for a solid connection and long-lasting use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eBroad OS Compatibility:\u003c\/b\u003e\u003cspan\u003e Offers seamless driver support for modern operating systems including Windows (7\/8\/10\/11),\u003c\/span\u003e\u003cspan\u003e macOS,\u003c\/span\u003e\u003cspan\u003e and Linux.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eCommon Applications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eProgramming Arduino boards (Pro Mini,\u003c\/span\u003e\u003cspan\u003e LilyPad)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommunicating with ESP8266 and ESP32 Wi-Fi modules\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial communication with Raspberry Pi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConfiguring or unbricking routers and other networking hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral-purpose serial communication for debugging electronics projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003ePinout:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003e5V:\u003c\/b\u003e\u003cspan\u003e Provides \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e5\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e output from the USB port.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eVCC:\u003c\/b\u003e\u003cspan\u003e Power output,\u003c\/span\u003e\u003cspan\u003e connected to either \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e3.3\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e5\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e based on the jumper setting.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003e3V3:\u003c\/b\u003e\u003cspan\u003e Provides \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e3.3\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e output.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eTXD:\u003c\/b\u003e\u003cspan\u003e Transmit Data.\u003c\/span\u003e\u003cspan\u003e Connect to the RX pin of your microcontroller.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eRXD:\u003c\/b\u003e\u003cspan\u003e Receive Data.\u003c\/span\u003e\u003cspan\u003e Connect to the TX pin of your microcontroller.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eGND:\u003c\/b\u003e\u003cspan\u003e Common Ground.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003e(RTS \u0026amp; CTS):\u003c\/b\u003e\u003cspan\u003e Pins available for hardware flow control if needed.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWhat's Included:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 x CH340G USB to TTL Serial Adapter Module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 x 4-Pin Female-to-Female Jumper Wire Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eDriver Download:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf your system does not automatically install the driver,\u003c\/span\u003e\u003cspan\u003e you can download it from the official WCH website:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"Effortlessly%20connect%20your%20microcontroller%20projects%20to%20your%20computer%20with%20our%20reliable%20CH340%20USB%20to%20TTL%20Serial%20Adapter.%20This%20compact%20module%20is%20the%20perfect%20tool%20for%20programming%20Arduino%20Pro%20Mini,%20ESP8266\/ESP32%20modules,%20unbricking%20routers,%20or%20communicating%20with%20any%20TTL%20serial%20device%20directly%20from%20a%20USB%20port.%20%20Based%20on%20the%20stable%20CH340G%20chip,%20this%20adapter%20avoids%20the%20common%20driver%20and%20compatibility%20issues%20found%20in%20older%20chips%20like%20the%20PL2303,%20ensuring%20a%20smooth%20plug-and-play%20experience.%20%20Key%20Features:%20%20Reliable%20CH340G%20Chip:%20Utilizes%20the%20industry-proven%20CH340G%20IC,%20ensuring%20stable%20performance%20and%20broad%20compatibility%20across%20different%20computers%20and%20operating%20systems.%20%20Selectable%20Logic%20Levels:%20Easily%20switch%20between%203.3V%20and%205V%20power%20and%20logic%20levels%20using%20the%20onboard%20jumper.%20This%20makes%20it%20versatile%20enough%20to%20work%20with%20a%20wide%20range%20of%20microcontrollers%20and%20peripherals.%20%20On-board%20Status%20LEDs:%20Features%20Power%20(PWR),%20Transmit%20(TXD),%20and%20Receive%20(RXD)%20LEDs,%20allowing%20you%20to%20visually%20monitor%20the%20module's%20status%20and%20data%20activity%20at%20a%20glance.%20%20High-Quality%20Construction:%20Built%20with%20a%20gold-plated%20USB%20connector%20and%20durable%20yellow%20pin%20headers%20for%20a%20solid%20connection%20and%20long-lasting%20use.%20%20Broad%20OS%20Compatibility:%20Offers%20seamless%20driver%20support%20for%20modern%20operating%20systems%20including%20Windows%20(7\/8\/10\/11),%20macOS,%20and%20Linux.%20%20Common%20Applications:%20%20Programming%20Arduino%20boards%20(Pro%20Mini,%20LilyPad)%20%20Communicating%20with%20ESP8266%20and%20ESP32%20Wi-Fi%20modules%20%20Serial%20communication%20with%20Raspberry%20Pi%20%20Configuring%20or%20unbricking%20routers%20and%20other%20networking%20hardware%20%20General-purpose%20serial%20communication%20for%20debugging%20electronics%20projects%20%20Pinout:%20%205V:%20Provides%205V%20output%20from%20the%20USB%20port.%20%20VCC:%20Power%20output,%20connected%20to%20either%203.3V%20or%205V%20based%20on%20the%20jumper%20setting.%20%203V3:%20Provides%203.3V%20output.%20%20TXD:%20Transmit%20Data.%20Connect%20to%20the%20RX%20pin%20of%20your%20microcontroller.%20%20RXD:%20Receive%20Data.%20Connect%20to%20the%20TX%20pin%20of%20your%20microcontroller.%20%20GND:%20Common%20Ground.%20%20(RTS%20\u0026amp;%20CTS):%20Pins%20available%20for%20hardware%20flow%20control%20if%20needed.%20%20What's%20Included:%20%201%20x%20CH340G%20USB%20to%20TTL%20Serial%20Adapter%20Module%20%201%20x%204-Pin%20Female-to-Female%20Jumper%20Wire%20Cable%20%20Driver%20Download:%20%20If%20your%20system%20does%20not%20automatically%20install%20the%20driver,%20you%20can%20download%20it%20from%20the%20official%20WCH%20website:%20http:\/\/www.wch-ic.com\/downloads\/file\/177.html\"\u003e\u003ccode class=\"\"\u003ehttp:\/\/www.wch-ic.com\/downloads\/file\/177.html\u003c\/code\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40411308884119,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/CH340-USB-to-TTL-Serial-Adapter-Main.jpg?v=1757669266"},{"product_id":"ft232rl-fdti-usb-to-ttl-serial-module","title":"FT232RL USB to TTL Serial Adapter Module | Type-C \u0026 Mini USB","description":"\u003ch2 data-path-to-node=\"8\"\u003eThe Reliable Bridge for Your Hardware Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eIf you’ve ever dealt with cheap, clone serial adapters that randomly drop connections or brick your operating system with driver errors, you know the frustration. Your time should be spent coding and building, not troubleshooting USB drivers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eThe \u003cb data-path-to-node=\"10\" data-index-in-node=\"4\"\u003eFT232RL USB to TTL Serial Adapter Module\u003c\/b\u003e is engineered to solve exactly that problem. Powered by the industry-standard FTDI FT232RL chip, this module guarantees plug-and-play reliability across Windows, Mac, and Linux environments.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eSeamless Communication, Visual Feedback\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eDebugging is hard enough without having to guess if data is actually transmitting. That’s why this module features integrated \u003cb data-path-to-node=\"12\" data-index-in-node=\"126\"\u003eRXD and TXD LED indicators\u003c\/b\u003e. You get immediate, real-time visual feedback the moment data flows between your PC and your target board.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eBuilt for Versatility and Extreme Conditions\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eWhether you are reviving a bricked router, programming an Arduino Pro Mini, or interfacing with industrial sensors, this adapter adapts to your needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eDual Voltage Ready:\u003c\/b\u003e Easily switch between \u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"42\"\u003e3.3V and 5V\u003c\/b\u003e logic levels to match your microcontroller safely.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eInterface Options:\u003c\/b\u003e Choose the future-proof \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"43\"\u003eType-C\u003c\/b\u003e port for modern laptops or the classic \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"89\"\u003eMini USB\u003c\/b\u003e for legacy setups.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eIndustrial Grade Durability:\u003c\/b\u003e Built with high-quality components, this board can withstand extreme temperatures up to \u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"117\"\u003e105°C\u003c\/b\u003e, making it safe for enclosed or high-heat industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Type-c","offer_id":47415311007895,"sku":"21LN000348-TYPEC","price":35.0,"currency_code":"HKD","in_stock":true},{"title":"USB Mini","offer_id":47415311040663,"sku":"21LN000348-MINIUSB","price":28.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/FT232RL-USB-TTL-Adapter-Arduino-Angle.jpg?v=1755180405"},{"product_id":"pwm-dc-motor-drive-module","title":"Mini Dual DC Motor Driver Module with PWM \u0026 H-Bridge","description":"\u003cp\u003e\u003cb\u003eOverview:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePower your smart car, toy robot, or DIY projects with our ultra-compact DC Motor Drive Module. Designed for battery-powered applications, this versatile module operates on a wide 2V-10V supply, capable of independently driving two DC motors or one 4-wire 2-phase stepper motor. Achieve precise forward\/reverse control and variable speed with PWM, with each channel delivering up to 1.5A continuous current and peak currents of 2.5A. Built-in thermal protection ensures automatic recovery from stalling.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose Our Motor Driver Module?\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSuperior Performance \u0026amp; Efficiency:\u003c\/b\u003e Unlike older L298N modules, our driver uses a professional motor driver chip with built-in low conduction resistance switch MOS. This results in minimal heat generation, eliminating the need for bulky heatsinks, saving space, and significantly increasing energy efficiency – perfect for battery-powered designs. (Say goodbye to L298N's low efficiency, high heat, and potential for burnout!)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust \u0026amp; Reliable:\u003c\/b\u003e With dual 1.5A continuous output (2.5A peak per channel) and an integrated overheat protection circuit (TSD with hysteresis effect), you don't have to worry about motor stalling or burnout. The module automatically recovers after cooling, making it ideal for the common voltage and current ranges found in smart cars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUltra-Compact Design:\u003c\/b\u003e Measuring just 24.7mm x 21mm x 5mm and weighing only 2.6g, this module is incredibly small and lightweight. It features near-zero standby current (less than 0.1uA), making it the ideal choice for vehicle models and applications where space and power consumption are critical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDriver Type:\u003c\/b\u003e H-bridge dual motor drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotor Compatibility:\u003c\/b\u003e Drives two DC motors or one 4-wire 2-phase stepper motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupply Voltage:\u003c\/b\u003e 2V - 10V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eControl Signal Voltage:\u003c\/b\u003e 1.8V - 7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Current:\u003c\/b\u003e 1.5A continuous per channel (2.5A peak)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandby Current:\u003c\/b\u003e Less than 0.1uA (ultra-low)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSafety Features:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in common conduction circuit prevents motor malfunction if inputs are suspended.\u003c\/li\u003e\n\u003cli\u003eIntegrated overheat protection circuit (TSD) with hysteresis effect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions (LxWxH):\u003c\/b\u003e 24.7mm x 21mm x 5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Hole Diameter:\u003c\/b\u003e 2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40467141820567,"sku":"","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/pwm-dc-motor-driver-module-l298n-angled.jpg?v=1755180834"},{"product_id":"arduino-uno-r3-expansion-board","title":"Arduino UNO R3 Prototype Shield with Mini Breadboard","description":"\u003cp\u003e\u003cb\u003eOverview:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUnlock new possibilities for your Arduino UNO R3 projects with this versatile Prototype Expansion Board (SYB-170). Designed to seamlessly integrate with your ATMEGA328P-based Arduino, this shield provides a convenient platform for building and testing circuits without the need for extensive soldering. It's perfect for hobbyists, educators, and professional developers looking to rapidly prototype their ideas.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEffortless Prototyping:\u003c\/b\u003e Comes with a compact SYB-170 mini solderless breadboard (170 tie points) that easily adheres to the shield, allowing for quick and flexible circuit assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAccessible Pin Layout:\u003c\/b\u003e All Arduino UNO R3 pins are conveniently brought to the top level of the shield, making connections intuitive and straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Controls:\u003c\/b\u003e Features a dedicated reset button, a general-purpose button, and two LED circuits that can be used directly for simple feedback and interaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEssential Power Access:\u003c\/b\u003e 5V, GND, and Raw power pins are exposed for easy power supply and ground connections to your external components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDedicated IC Area:\u003c\/b\u003e Includes a SOIC (Small Outline Integrated Circuit) place for soldering in surface-mount ICs, expanding your prototyping capabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact \u0026amp; Durable:\u003c\/b\u003e Designed for practicality, with a prototype size of 7cm x 5.5cm x 2cm, ensuring it fits neatly into your project setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Arduino UNO R3 Prototype Shield\u003c\/li\u003e\n\u003cli\u003e1 x SYB-170 Mini Solderless Breadboard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eIdeal For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRapid Prototyping\u003c\/li\u003e\n\u003cli\u003eEducational Projects\u003c\/li\u003e\n\u003cli\u003eExperimenting with New Circuits\u003c\/li\u003e\n\u003cli\u003eDeveloping Custom Shields\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40467287179415,"sku":"","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/arduino-uno-r3-prototype-shield-with-breadboard.jpg?v=1755181258"},{"product_id":"arduino-uno-r3-microcontroller-board","title":"Original Arduino Uno R3 Microcontroller Board with Clear Case","description":"\u003ch2 data-path-to-node=\"4\"\u003eThe Industry Standard for Electronics Prototyping\u003c\/h2\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe Arduino Uno R3 is more than just a circuit board; it is the gateway to a global community of over 30 million active makers, educators, and engineers. \"Uno\" (meaning \u003ci data-path-to-node=\"5\" data-index-in-node=\"169\"\u003eone\u003c\/i\u003e in Italian) represents the foundation of the Arduino ecosystem. If you are stepping into the world of electronics and coding for the first time, this is the most robust and heavily documented board available.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eBuilt for Beginners, Trusted by Professionals\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eLearning to code and wire circuits involves trial and error. The Uno R3 is designed with a high fault tolerance, meaning you can tinker and experiment without the constant fear of permanently damaging your hardware. In the worst-case scenario, the ATmega328P chip is seated in a socket—meaning you can easily pop it out, replace it for a few dollars, and start over. It is the perfect low-risk, high-reward platform for STEM education and rapid engineering prototyping.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eSeamless Hardware and Software Integration\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eGetting started is completely frictionless. The board contains everything needed to support the microcontroller. Simply connect it to your computer via the included USB interface, or power it independently using an AC-to-DC adapter or battery. With 14 digital input\/output pins and 6 analog inputs, you have incredible flexibility to connect LED displays, motors, temperature sensors, and communication modules.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40560878747799,"sku":"21CU000043","price":179.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/arduino-uno-r3-development-board-main.jpg?v=1772707678"},{"product_id":"2262-2272-4-channel-wireless-remote-control-module","title":"IC 2262\/2272 4-Channel 433 MHz RF Remote Control \u0026 Receiver Kit (M4)","description":"\u003ch4 data-start=\"911\" data-end=\"949\"\u003e\u003cstrong data-start=\"915\" data-end=\"949\"\u003e✨ Wireless Control Made Simple\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"951\" data-end=\"1276\"\u003eBring effortless wireless control to your electronics projects with this \u003cstrong data-start=\"1024\" data-end=\"1090\"\u003eIC 2262\/2272 4-Channel RF Remote Control Kit (M4 Non-Latching)\u003c\/strong\u003e.\u003cbr data-start=\"1091\" data-end=\"1094\"\u003eDesigned for \u003cstrong data-start=\"1107\" data-end=\"1118\"\u003eArduino\u003c\/strong\u003e, \u003cstrong data-start=\"1120\" data-end=\"1143\"\u003eDIY home automation\u003c\/strong\u003e, \u003cstrong data-start=\"1145\" data-end=\"1165\"\u003esecurity systems\u003c\/strong\u003e, and \u003cstrong data-start=\"1171\" data-end=\"1191\"\u003eremote switching\u003c\/strong\u003e, this module pair lets you activate multiple devices over a stable \u003cstrong data-start=\"1259\" data-end=\"1270\"\u003e433 MHz\u003c\/strong\u003e link.\u003c\/p\u003e\n\u003chr data-start=\"1278\" data-end=\"1281\"\u003e\n\u003ch4 data-start=\"1283\" data-end=\"1306\"\u003e⚙️ \u003cstrong data-start=\"1290\" data-end=\"1306\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"1308\" data-end=\"1912\"\u003e✅ \u003cstrong data-start=\"1310\" data-end=\"1333\"\u003e4-Channel Operation\u003c\/strong\u003e – Each button (A–D) on the transmitter controls one data output (D0–D3) on the receiver board.\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e✅ \u003cstrong data-start=\"1433\" data-end=\"1456\"\u003eMomentary (M4) Mode\u003c\/strong\u003e – Output stays HIGH only while a button is pressed; perfect for temporary actions like unlocking a door or triggering a relay.\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e✅ \u003cstrong data-start=\"1588\" data-end=\"1610\"\u003eFixed Code Pairing\u003c\/strong\u003e – Uses solder-pad encoding for stable, interference-free communication.\u003cbr data-start=\"1682\" data-end=\"1685\"\u003e✅ \u003cstrong data-start=\"1687\" data-end=\"1710\"\u003ePlug-and-Play Setup\u003c\/strong\u003e – Simple 7-pin receiver layout for easy connection to Arduino, relay modules, or custom circuits.\u003cbr data-start=\"1808\" data-end=\"1811\"\u003e✅ \u003cstrong data-start=\"1813\" data-end=\"1852\"\u003eLong-Range Superheterodyne Receiver\u003c\/strong\u003e – Stable reception from 10 – 50 m in open field conditions.\u003c\/p\u003e\n\u003chr data-start=\"1914\" data-end=\"1917\"\u003e\n\u003ch4 data-start=\"1919\" data-end=\"1954\"\u003e📋 \u003cstrong data-start=\"1926\" data-end=\"1954\"\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1956\" data-end=\"2500\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1956\" data-end=\"1997\"\u003e\n\u003ctr data-start=\"1956\" data-end=\"1997\"\u003e\n\u003cth data-start=\"1956\" data-end=\"1968\" data-col-size=\"sm\"\u003eComponent\u003c\/th\u003e\n\u003cth data-start=\"1968\" data-end=\"1980\" data-col-size=\"sm\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1980\" data-end=\"1997\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2012\" data-end=\"2500\"\u003e\n\u003ctr data-start=\"2012\" data-end=\"2079\"\u003e\n\u003ctd data-start=\"2012\" data-end=\"2030\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2014\" data-end=\"2029\"\u003eTransmitter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2030\" data-end=\"2040\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2040\" data-end=\"2079\"\u003eDC 12 V (23A\/12 V Battery Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2080\" data-end=\"2109\"\u003e\n\u003ctd data-start=\"2080\" data-end=\"2083\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2083\" data-end=\"2093\" data-col-size=\"sm\"\u003eCurrent\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2093\" data-end=\"2109\"\u003e10 mA @ 12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2110\" data-end=\"2160\"\u003e\n\u003ctd data-start=\"2110\" data-end=\"2113\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2113\" data-end=\"2125\" data-col-size=\"sm\"\u003eFrequency\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2125\" data-end=\"2160\"\u003e\n\u003cstrong data-start=\"2127\" data-end=\"2138\"\u003e433 MHz\u003c\/strong\u003e (or 315 MHz option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2161\" data-end=\"2188\"\u003e\n\u003ctd data-start=\"2161\" data-end=\"2164\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2164\" data-end=\"2177\"\u003eModulation\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2177\" data-end=\"2188\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2186\"\u003eASK\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2189\" data-end=\"2217\"\u003e\n\u003ctd data-start=\"2189\" data-end=\"2192\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2192\" data-end=\"2202\"\u003eEncoder\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2202\" data-end=\"2217\"\u003eIC \u003cstrong data-start=\"2207\" data-end=\"2215\"\u003e2262\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2218\" data-end=\"2254\"\u003e\n\u003ctd data-start=\"2218\" data-end=\"2221\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2221\" data-end=\"2229\" data-col-size=\"sm\"\u003eRange\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2229\" data-end=\"2254\"\u003e10 – 50 m (open area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2255\" data-end=\"2284\"\u003e\n\u003ctd data-start=\"2255\" data-end=\"2258\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2258\" data-end=\"2265\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2265\" data-end=\"2284\"\u003e62 × 38 × 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2285\" data-end=\"2326\"\u003e\n\u003ctd data-start=\"2285\" data-end=\"2306\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2287\" data-end=\"2305\"\u003eReceiver Board\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2306\" data-end=\"2316\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2316\" data-end=\"2326\"\u003eDC 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2327\" data-end=\"2360\"\u003e\n\u003ctd data-start=\"2327\" data-end=\"2330\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2330\" data-end=\"2340\" data-col-size=\"sm\"\u003eCurrent\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2340\" data-end=\"2360\"\u003e4.5 mA (standby)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2361\" data-end=\"2409\"\u003e\n\u003ctd data-start=\"2361\" data-end=\"2364\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2364\" data-end=\"2374\"\u003eDecoder\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2374\" data-end=\"2409\"\u003eIC \u003cstrong data-start=\"2379\" data-end=\"2390\"\u003e2272-M4\u003c\/strong\u003e (Momentary Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2410\" data-end=\"2449\"\u003e\n\u003ctd data-start=\"2410\" data-end=\"2413\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2413\" data-end=\"2427\" data-col-size=\"sm\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2427\" data-end=\"2449\"\u003e–105 dBm ~ –98 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2450\" data-end=\"2471\"\u003e\n\u003ctd data-start=\"2450\" data-end=\"2453\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2453\" data-end=\"2464\" data-col-size=\"sm\"\u003eDecoding\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2464\" data-end=\"2471\"\u003eASK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2472\" data-end=\"2500\"\u003e\n\u003ctd data-start=\"2472\" data-end=\"2475\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2475\" data-end=\"2482\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2482\" data-end=\"2500\"\u003e41 × 22 × 7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2502\" data-end=\"2505\"\u003e\n\u003ch4 data-start=\"2507\" data-end=\"2533\"\u003e🔌 \u003cstrong data-start=\"2514\" data-end=\"2533\"\u003eReceiver Pinout\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2535\" data-end=\"2805\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 99.9589%; height: 117.5px;\"\u003e\n\u003cthead data-start=\"2535\" data-end=\"2564\"\u003e\n\u003ctr data-start=\"2535\" data-end=\"2564\" style=\"height: 19.5833px;\"\u003e\n\u003cth data-start=\"2535\" data-end=\"2541\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003ePin\u003c\/th\u003e\n\u003cth data-start=\"2541\" data-end=\"2549\" data-col-size=\"sm\" style=\"width: 15.2734%; height: 19.5833px;\"\u003eLabel\u003c\/th\u003e\n\u003cth data-start=\"2549\" data-end=\"2564\" data-col-size=\"md\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2579\" data-end=\"2805\"\u003e\n\u003ctr data-start=\"2579\" data-end=\"2653\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2579\" data-end=\"2583\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e1\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2583\" data-end=\"2592\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2585\" data-end=\"2591\"\u003eVT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2592\" data-end=\"2653\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eTransmission indicator output (HIGH when signal received)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2654\" data-end=\"2706\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2654\" data-end=\"2660\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e2–5\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2660\" data-end=\"2674\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2662\" data-end=\"2673\"\u003eD3 – D0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2674\" data-end=\"2706\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eData outputs for buttons D–A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2707\" data-end=\"2743\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2707\" data-end=\"2711\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e6\u003c\/td\u003e\n\u003ctd data-start=\"2711\" data-end=\"2728\" data-col-size=\"sm\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2713\" data-end=\"2727\"\u003eVCC (+5 V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2728\" data-end=\"2743\" style=\"width: 76.4978%; height: 19.5833px;\"\u003ePower input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2744\" data-end=\"2768\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2744\" data-end=\"2748\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e7\u003c\/td\u003e\n\u003ctd data-start=\"2748\" data-end=\"2758\" data-col-size=\"sm\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2750\" data-end=\"2757\"\u003eGND\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2758\" data-end=\"2768\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2769\" data-end=\"2805\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2769\" data-end=\"2773\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e–\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2773\" data-end=\"2783\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2775\" data-end=\"2782\"\u003eANT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2783\" data-end=\"2805\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eAntenna connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2807\" data-end=\"2810\"\u003e\n\u003ch4 data-start=\"2812\" data-end=\"2835\"\u003e🌐 \u003cstrong data-start=\"2819\" data-end=\"2835\"\u003eApplications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"2839\" data-end=\"2910\"\u003e🔹 \u003cstrong data-start=\"2842\" data-end=\"2861\"\u003eHome Automation\u003c\/strong\u003e – Wireless switching for lights and appliances\u003c\/li\u003e\n\u003cli data-start=\"2913\" data-end=\"2978\"\u003e🔹 \u003cstrong data-start=\"2916\" data-end=\"2936\"\u003eSecurity Systems\u003c\/strong\u003e – Arm\/disarm or panic trigger functions\u003c\/li\u003e\n\u003cli data-start=\"2981\" data-end=\"3048\"\u003e🔹 \u003cstrong data-start=\"2984\" data-end=\"3009\"\u003eGarage \/ Gate Control\u003c\/strong\u003e – Ideal for rolling or sliding gates\u003c\/li\u003e\n\u003cli data-start=\"3051\" data-end=\"3118\"\u003e🔹 \u003cstrong data-start=\"3054\" data-end=\"3070\"\u003eDIY Projects\u003c\/strong\u003e – Robotics, RC control, and remote triggering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3120\" data-end=\"3123\"\u003e\n\u003ch4 data-start=\"3125\" data-end=\"3152\"\u003e📦 \u003cstrong data-start=\"3132\" data-end=\"3152\"\u003ePackage Includes\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"3156\" data-end=\"3209\"\u003e1 × IC 2262 4-Button Wireless Transmitter (Key Fob)\u003c\/li\u003e\n\u003cli data-start=\"3212\" data-end=\"3247\"\u003e1 × IC 2272-M4 ASK Receiver Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40759763697815,"sku":"21PS001313","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/2262-2272-m4-non-latching-4ch-wireless-remote-module-kit.jpg?v=1777626061"},{"product_id":"4-channels-motor-driver-shield-board-for-arduino","title":"4-Channel Motor Driver Shield for Arduino Mecanum Wheel Robot","description":"\u003cp\u003e\u003cb\u003eUnleash the Full Potential of Your Robotics Projects!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the versatile 4-Channel Motor Driver Shield, the ultimate control board for your Arduino-based robotics projects. Whether you're building a complex Mecanum wheel robot, a nimble smart car, or an intricate robotic arm, this shield provides the power and flexibility you need to bring your creations to life.\u003c\/p\u003e\n\u003cp\u003eDesigned for seamless integration with Arduino UNO, this board simplifies the control of multiple motors, making it an ideal choice for hobbyists and developers alike.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-Platform Versatility:\u003c\/b\u003e Not just for Mecanum wheels! This shield fully supports 2-wheel, 3-wheel, and 4-wheel drive smart car chassis. The possibilities are endless.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpanded Servo Control:\u003c\/b\u003e With 16 dedicated servo interfaces, you can easily connect and control robotic arms, grippers, and other moving parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Ready to connect with your favorite controllers. It's fully compatible with WIFI, Bluetooth, and PS2 wireless gamepad interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful \u0026amp; Reliable:\u003c\/b\u003e Supports a wide power input of 6-12V, providing stable and consistent performance for your TT motors and DC motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady to Go:\u003c\/b\u003e We provide the drive codes for Mecanum wheel robots and debug the board before shipment, so you can start building right away.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 4-Channel Motor Driver Shield Board\u003c\/li\u003e\n\u003cli\u003e2 x Motor Cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTake your project to the next level. This driver shield is the perfect foundation for developing advanced robotics like balancing cars, remote-controlled vehicles, and more.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41217864269975,"sku":"21PS001667","price":139.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/4-channel-motor-driver-shield-with-ribbon-cable.jpg?v=1759745513"},{"product_id":"usb-isp-programmer-for-atmel-avr-atmega-attiny-51-board-isp-downloader","title":"USBASP AVR ISP Programmer USB ISP Downloader for ATMega ATTiny 51","description":"\u003cp data-start=\"323\" data-end=\"744\"\u003eAccelerate your firmware development and microcontroller programming workflow with the \u003cstrong data-start=\"410\" data-end=\"439\"\u003eUSBASP AVR ISP Programmer\u003c\/strong\u003e, a reliable USB ISP downloader designed for \u003cstrong data-start=\"484\" data-end=\"528\"\u003eATMEL AVR and 51 series microcontrollers\u003c\/strong\u003e. Equipped with an onboard \u003cstrong data-start=\"555\" data-end=\"574\"\u003eATMega8(L) core\u003c\/strong\u003e, this programmer supports a wide range of ATTiny, ATMega, AT90S, AT90CAN, AT90PWM and AT89S 51-series devices—ideal for maker projects, repair centres and teaching labs.\u003c\/p\u003e\n\u003cp data-start=\"746\" data-end=\"962\"\u003eThe module features \u003cstrong data-start=\"766\" data-end=\"791\"\u003estatus indicator LEDs\u003c\/strong\u003e, selectable \u003cstrong data-start=\"804\" data-end=\"831\"\u003e5V or 3.3V power output\u003c\/strong\u003e, and \u003cstrong data-start=\"837\" data-end=\"875\"\u003eintegrated over-current protection\u003c\/strong\u003e, providing safe and stable programming for development boards and IC-socket workflows.\u003c\/p\u003e\n\u003ch4 data-start=\"964\" data-end=\"985\"\u003e⭐ Key Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"988\" data-end=\"1051\"\u003eBuilt-in \u003cstrong data-start=\"997\" data-end=\"1015\"\u003eATMega8(L) MCU\u003c\/strong\u003e acting as USBASP programming core\u003c\/li\u003e\n\u003cli data-start=\"1054\" data-end=\"1117\"\u003e\n\u003cstrong data-start=\"1054\" data-end=\"1089\"\u003ePower \u0026amp; programming status LEDs\u003c\/strong\u003e for clear visual feedback\u003c\/li\u003e\n\u003cli data-start=\"1120\" data-end=\"1193\"\u003e\n\u003cstrong data-start=\"1120\" data-end=\"1147\"\u003eOver-current protection\u003c\/strong\u003e helps protect PC USB port and target device\u003c\/li\u003e\n\u003cli data-start=\"1196\" data-end=\"1276\"\u003e\n\u003cstrong data-start=\"1196\" data-end=\"1227\"\u003eSelectable 3.3V \/ 5V output\u003c\/strong\u003e (jumper configuration based on board revision)\u003c\/li\u003e\n\u003cli data-start=\"1279\" data-end=\"1357\"\u003e\n\u003cstrong data-start=\"1279\" data-end=\"1303\"\u003e10-Pin ISP connector\u003c\/strong\u003e compatible with AVR development boards and adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1359\" data-end=\"1395\"\u003e🔧 Supported Microcontrollers\u003c\/h4\u003e\n\u003cp data-start=\"1396\" data-end=\"1608\"\u003e\u003cstrong data-start=\"1396\" data-end=\"1410\"\u003e51 Series:\u003c\/strong\u003e AT89S51 \/ AT89S52 \/ AT89S53 \/ AT89S8252\u003cbr data-start=\"1450\" data-end=\"1453\"\u003e\u003cstrong data-start=\"1453\" data-end=\"1468\"\u003eAVR Series:\u003c\/strong\u003e multiple ATTiny, AT90S, AT90CAN, AT90PWM, ATMega families including ATTiny13, ATMega8, ATMega16, ATMega32, ATMega128, ATMega2560 and more\u003c\/p\u003e\n\u003ch4 data-start=\"1610\" data-end=\"1640\"\u003e🔍 Typical Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1643\" data-end=\"1709\"\u003eUploading \u003cstrong data-start=\"1653\" data-end=\"1680\"\u003eBootloader and firmware\u003c\/strong\u003e to Arduino-type AVR boards\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1767\"\u003eProduction programming \u0026amp; re-programming during repair\u003c\/li\u003e\n\u003cli data-start=\"1770\" data-end=\"1842\"\u003eElectronics teaching labs, embedded prototyping, DIY maker development\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41218186346647,"sku":"21PS001535","price":35.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/usbasp-avr-isp-programmer-with-10-pin-ribbon-cable.jpg?v=1765012613"},{"product_id":"vs1053-mp3-module","title":"VS1053 MP3 Audio Decoder \u0026 Amplifier Module with Recording for Arduino","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBring professional‑grade audio playback and recording to your Arduino projects with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVS1053 MP3 Audio Decoder Module\u003c\/strong\u003e. Powered by VLSI’s advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVS1053B chipset\u003c\/strong\u003e, this shield supports most common formats – including MP3, OGG, AAC, WMA, and MIDI – and doubles as a real‑time OGG recorder.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis board integrates seamlessly with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino Uno\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMega\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evia SPI interface — no extra wiring needed. The onboard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMS1117 voltage regulator\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides stable 3.3V and 2.5V power outputs up to 800mA. Its built‑in earphone, line‑in, and microphone jacks make it ideal for music players, sound experiments, or embedded projects requiring stereo audio playback and recording.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompatible with Arduino Uno \/ Mega development boards\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBased on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVS1053B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip – decodes MP3, WMA, OGG, AAC, MIDI\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReal‑time OGG audio encoding and recording\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOnboard 3.3V \/ 2.5V LDO (AMS1117) provides up to 800mA current\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt‑in headphone, line‑in, and microphone connectors\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTF card slot for direct music playback\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePower supply: 5V DC input with filtering\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFrequency crystal: 12.288 MHz\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact design, easy integration into embedded systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41218610561175,"sku":"","price":79.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/vs1053-mp3-audio-codec-shield-arduino-uno-front.jpg?v=1765009664"},{"product_id":"zmpt101b-ac-voltage-sensor-mutual-module","title":"ZMPT101B AC Voltage Sensor Module for Arduino (0-250V AC)","description":"\u003cp\u003e\u003cb\u003eOverview:\u003c\/b\u003e Accurately monitor AC voltage in your projects with the ZMPT101B AC Voltage Sensor Module. This active single-phase voltage transformer module provides a precise sine wave output, making it ideal for AC power signal acquisition up to 250V. Perfect for Arduino, ESP32, Raspberry Pi, and other microcontroller-based systems.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Precision:\u003c\/b\u003e Equipped with a ZMPT101B series micro voltage transformer for accurate voltage sensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Output:\u003c\/b\u003e Features a high-precision onboard operational amplifier circuit for exact signal sampling, compensation, and adjustable output modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Measurement Range:\u003c\/b\u003e Capable of measuring AC voltages up to 250V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSine Wave Output:\u003c\/b\u003e Provides a clear sine wave signal output with a DC component (median).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Power Supply:\u003c\/b\u003e Operates with a supply voltage range of 5V to 30V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Integration:\u003c\/b\u003e Designed for seamless use with popular development boards like Arduino Mega, making AC voltage monitoring straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVoltage Transformer:\u003c\/b\u003e ZMPT101B Precision Micro Voltage Transformer\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeasurement Range:\u003c\/b\u003e 0-250V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Signal:\u003c\/b\u003e Sine Wave (with DC median)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupply Voltage:\u003c\/b\u003e 5V - 30V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e AC Power Signal Acquisition, Voltage Monitoring, DIY Electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose the ZMPT101B?\u003c\/b\u003e Whether you're building a smart home energy monitor, a power supply tester, or any project requiring reliable AC voltage measurement, the ZMPT101B module offers the accuracy and ease of use you need. Its robust design and high-precision components ensure dependable performance for your electronic designs.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41411853844631,"sku":"21PS001775","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/zmpt101b-voltage-sensor-module-angled-overall.jpg?v=1753717257"},{"product_id":"1m-led-strip-waterproof-individually-addressable-led-strip-light","title":"1M WS2812B Addressable RGB LED Strip Light – 30 LEDs\/M, 5V, IP65","description":"\u003ch4 data-start=\"638\" data-end=\"714\"\u003e🌈 \u003cstrong data-start=\"645\" data-end=\"714\"\u003e1M WS2812B Addressable LED Strip – 30 LEDs\/M, 5V, IP65 Waterproof\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"716\" data-end=\"990\"\u003eAdd stunning, fully customizable lighting to your projects with this \u003cstrong data-start=\"785\" data-end=\"818\"\u003eWS2812B addressable LED strip\u003c\/strong\u003e. Each LED can be individually programmed to display millions of colors and effects — perfect for makers, hobbyists, and lighting professionals who want next-level control.\u003c\/p\u003e\n\u003cp data-start=\"992\" data-end=\"1288\"\u003eThis 1-meter LED strip features \u003cstrong data-start=\"1024\" data-end=\"1045\"\u003e30 LEDs per meter\u003c\/strong\u003e, runs on \u003cstrong data-start=\"1055\" data-end=\"1069\"\u003esafe DC 5V\u003c\/strong\u003e, and comes with a \u003cstrong data-start=\"1088\" data-end=\"1126\"\u003esilicone waterproof coating (IP65)\u003c\/strong\u003e for indoor and light outdoor use. Whether for DIY decor, cosplay, or robotics, this strip delivers vibrant, dynamic results that standard RGB strips can’t match.\u003c\/p\u003e\n\u003chr data-start=\"1290\" data-end=\"1293\"\u003e\n\u003ch4 data-start=\"1295\" data-end=\"1318\"\u003e💡 \u003cstrong data-start=\"1302\" data-end=\"1318\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1322\" data-end=\"1430\"\u003e\n\u003cstrong data-start=\"1322\" data-end=\"1355\"\u003eIndividually Addressable LEDs\u003c\/strong\u003e – Each WS2812B\/SK6812 chip has built-in IC control for full RGB effects.\u003c\/li\u003e\n\u003cli data-start=\"1433\" data-end=\"1484\"\u003e\n\u003cstrong data-start=\"1433\" data-end=\"1458\"\u003eLow Voltage Operation\u003c\/strong\u003e – Runs safely on DC 5V.\u003c\/li\u003e\n\u003cli data-start=\"1487\" data-end=\"1570\"\u003e\n\u003cstrong data-start=\"1487\" data-end=\"1517\"\u003eIP65 Waterproof Protection\u003c\/strong\u003e – Silicon-coated for 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data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2215\" data-end=\"2228\"\u003ePCB Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2229\" data-end=\"2267\"\u003eBlack (or White – varies by stock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2268\" data-end=\"2330\"\u003e\n\u003ctd data-start=\"2268\" data-end=\"2292\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2270\" data-end=\"2291\"\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2292\" data-end=\"2330\"\u003eIP65 (Waterproof silicone coating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2331\" data-end=\"2351\"\u003e\n\u003ctd data-start=\"2331\" data-end=\"2343\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2333\" data-end=\"2342\"\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2343\" data-end=\"2351\"\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2352\" data-end=\"2417\"\u003e\n\u003ctd data-start=\"2352\" data-end=\"2373\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2354\" data-end=\"2372\"\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2373\" data-end=\"2417\"\u003e3-pin JST-SM plug with extra power leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2419\" data-end=\"2422\"\u003e\n\u003ch4 data-start=\"2424\" data-end=\"2455\"\u003e🔌 \u003cstrong data-start=\"2431\" data-end=\"2455\"\u003eWiring \u0026amp; Setup Guide\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"2457\" data-end=\"2477\"\u003e\u003cstrong data-start=\"2457\" data-end=\"2477\"\u003eConnection Pins:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2480\" data-end=\"2505\"\u003e\n\u003cstrong data-start=\"2480\" data-end=\"2493\"\u003eRed Wire:\u003c\/strong\u003e +5V (VCC)\u003c\/li\u003e\n\u003cli data-start=\"2508\" data-end=\"2538\"\u003e\n\u003cstrong data-start=\"2508\" data-end=\"2523\"\u003eWhite Wire:\u003c\/strong\u003e GND (Ground)\u003c\/li\u003e\n\u003cli data-start=\"2541\" data-end=\"2570\"\u003e\n\u003cstrong data-start=\"2541\" data-end=\"2556\"\u003eGreen Wire:\u003c\/strong\u003e Data Signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2572\" data-end=\"2652\"\u003e\u003cem data-start=\"2572\" data-end=\"2652\"\u003e(Extra red\/white wires are for power injection if you extend multiple strips.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"2654\" data-end=\"2905\"\u003e\u003cstrong data-start=\"2654\" data-end=\"2671\"\u003e⚠️ Important:\u003c\/strong\u003e\u003cbr data-start=\"2671\" data-end=\"2674\"\u003eThis LED strip \u003cstrong data-start=\"2689\" data-end=\"2729\"\u003erequires an external 5V power supply\u003c\/strong\u003e and a \u003cstrong data-start=\"2736\" data-end=\"2750\"\u003econtroller\u003c\/strong\u003e (e.g. Arduino, ESP32, or WS2812B-compatible LED controller) to function.\u003cbr data-start=\"2823\" data-end=\"2826\"\u003e\u003cstrong data-start=\"2826\" data-end=\"2862\"\u003ePackage includes LED strip only.\u003c\/strong\u003e Power and control devices sold separately.\u003c\/p\u003e\n\u003chr data-start=\"2907\" data-end=\"2910\"\u003e\n\u003ch4 data-start=\"2912\" data-end=\"2935\"\u003e🏠 \u003cstrong data-start=\"2919\" data-end=\"2935\"\u003eApplications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"2939\" data-end=\"2995\"\u003eAmbient lighting for rooms, shelves, and display cases\u003c\/li\u003e\n\u003cli data-start=\"2998\" data-end=\"3034\"\u003eCustom PC or gaming setup lighting\u003c\/li\u003e\n\u003cli data-start=\"3037\" data-end=\"3068\"\u003eDIY cosplay and costume props\u003c\/li\u003e\n\u003cli data-start=\"3071\" data-end=\"3109\"\u003eSmart home lighting and IoT projects\u003c\/li\u003e\n\u003cli data-start=\"3112\" data-end=\"3151\"\u003eRobotics, signage, and stage lighting\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Black","offer_id":41470882414743,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true},{"title":"White","offer_id":41470882447511,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/ws2812b-led-strip-connectors-wires-close-up.jpg?v=1775575460"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/collections\/ARDUINO-2117536.jpg?v=1753349324","url":"https:\/\/scccltd.com\/en-tw\/collections\/arduino.oembed?page=11","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}