{"title":"ESP32 Development Boards \u0026 Modules","description":"\u003cp\u003eBuilding advanced IoT and smart home projects requires powerful \u003cstrong\u003eESP32 development boards and modules\u003c\/strong\u003e. Whether you need a standard ESP32 30-pin DevKit for prototyping, an ESP32-CAM for wireless video streaming, or the latest ESP32-S3 for AI applications, we have the exact microcontrollers you need. Backed by 20 years of electronic retail experience in Sham Shui Po, our technical team provides ready-stock availability and expert advice on GPIO pinouts and logic voltage matching to ensure your circuits operate safely.\u003c\/p\u003e","products":[{"product_id":"esp-12e-motor-shield-board-for-esp-12e","title":"L293D Motor Drive Shield for NodeMCU ESP-12E ESP8266 WiFi Car","description":"\u003cp data-path-to-node=\"6\"\u003eUnlock the mobility of your IoT projects with the \u003cb\u003eESP-12E Motor Shield\u003c\/b\u003e. Built around the robust L293D driver chip, this expansion board is designed specifically for the NodeMCU ESP-12E Development Kit. It allows you to drive two DC motors directly while retaining access to all GPIO, SPI, and UART pins—perfect for building WiFi-controlled RC cars, smart robots, or home automation devices.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"8,0,0\"\u003e\n\u003cb\u003eSeamless Compatibility:\u003c\/b\u003e Directly mounts the ESP-12E Dev Kit (NodeMCU). \u003ci\u003eNote: Please align the antenna direction correctly when mounting.\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,1,0\"\u003e\n\u003cb\u003eDual Motor Control:\u003c\/b\u003e High-power L293D H-Bridge driver controls two DC motors simultaneously.\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,2,0\"\u003e\n\u003cb\u003eFull Pin Access:\u003c\/b\u003e Expands all ESP-12E functional pins (SPI, UART, GPIO, AI) and 3.3V power for easy sensor integration.\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,3,0\"\u003e\n\u003cb\u003eFlexible Power Options:\u003c\/b\u003e Supports separate power supplies for motors and logic, or a single power source via the onboard jumper (VIN\/VM short).\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,4,0\"\u003e\n\u003cb\u003eOnboard Power Switch:\u003c\/b\u003e Conveniently turn your project on\/off without unplugging cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb\u003eDriver Chip:\u003c\/b\u003e L293D (Dual H-Bridge)\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb\u003eMotor Supply (VM):\u003c\/b\u003e 4.5V – 36V\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,2,0\"\u003e\n\u003cb\u003eControl Supply (VIN):\u003c\/b\u003e 4.5V – 9V (10V Max)\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,3,0\"\u003e\n\u003cb\u003eDriving Current:\u003c\/b\u003e ≤1.2A per channel\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,4,0\"\u003e\n\u003cb\u003eLogic Current:\u003c\/b\u003e ≤60mA\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,5,0\"\u003e\n\u003cb\u003eControl Pins:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,5,1,0,0\"\u003eMotor A: D1, D3\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,5,1,1,0\"\u003eMotor B: D2, D4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,6,0\"\u003e\n\u003cb\u003eWorking Temperature:\u003c\/b\u003e -25℃ to +125℃\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,7,0\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e Approx. 20g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003ePower Supply Guide\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb\u003eSingle Power Source:\u003c\/b\u003e Short the \u003ccode\u003eVM\u003c\/code\u003e and \u003ccode\u003eVIN\u003c\/code\u003e pins with the jumper block. Input voltage must be \u003cb\u003e4.5V – 9V\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb\u003eDual Power Source:\u003c\/b\u003e Remove the jumper. Connect motor power (4.5V~36V) to \u003ccode\u003eVM\u003c\/code\u003e and logic power (4.5V~9V) to \u003ccode\u003eVIN\u003c\/code\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41421177716887,"sku":"21PS001336","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/esp-12e-motor-shield-l293d-front-view.jpg?v=1763979282"},{"product_id":"esp32-development-board-wifi-bluetooth","title":"ESP32 DEVKIT V1 WiFi \u0026 Bluetooth Development Board (30-Pin CH9102)","description":"\u003cp\u003e\u003cb\u003eUnleash your next IoT project with the powerful and versatile ESP32 DEVKIT V1 development board.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis board is built around the renowned ESP-WROOM-32 module, making it a compact and cost-effective solution for everything from smart home devices to wearable electronics. With integrated Wi-Fi, dual-mode Bluetooth, and a powerful dual-core processor, the possibilities are endless.\u003c\/p\u003e\n\u003cp\u003eThis version uses the stable and reliable CH9102 USB-to-serial chip for fast and easy programming and debugging directly from your computer via Micro-USB.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful Dual-Core Processor:\u003c\/b\u003e Features two CPU cores that can be individually controlled, with an adjustable clock frequency from 80 MHz to 240 MHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Wireless:\u003c\/b\u003e Combines Wi-Fi (802.11 b\/g\/n) and dual-mode Bluetooth (Classic \u0026amp; BLE) on a single chip, perfect for creating connected devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile \u0026amp; Scalable:\u003c\/b\u003e Packed with peripherals including capacitive touch sensors, Hall sensors, SD card interface, UART, SPI, I2C, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUltra-Low Power Consumption:\u003c\/b\u003e With a sleep current of less than 5µA, it's ideal for battery-powered and wearable applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy to Program:\u003c\/b\u003e Fully compatible with the Arduino IDE, and also supports Lua (via LuaNode) and MicroPython development with the FreeRTOS operating system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBreadboard-Friendly:\u003c\/b\u003e The 30-pin design is compact (approx. 52mm x 29mm) and fits perfectly on a standard breadboard for easy prototyping.\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\u003eMCU:\u003c\/b\u003e ESP-WROOM-32\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProcessor:\u003c\/b\u003e Dual-Core Tensilica LX6\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWireless:\u003c\/b\u003e Wi-Fi 802.11 b\/g\/n \u0026amp; Bluetooth v4.2 BR\/EDR and BLE\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUSB-to-Serial Chip:\u003c\/b\u003e CH9102\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePins:\u003c\/b\u003e 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInterface:\u003c\/b\u003e Micro-USB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41683744850071,"sku":"","price":65.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/esp32-devkit-v1-30-pin-ch9102-board.jpg?v=1753975975"},{"product_id":"esp32-cam-development-board-with-ov2640-camera","title":"ESP32-CAM WiFi \u0026 Bluetooth Development Board with OV2640 Camera","description":"\u003cp\u003eUnlock the world of IoT and video streaming with the powerful and compact \u003cb\u003eESP32-CAM\u003c\/b\u003e development board. 📸 This all-in-one module combines an ESP32 microcontroller with \u003cb\u003eWiFi\u003c\/b\u003e, \u003cb\u003eBluetooth\u003c\/b\u003e, and an \u003cb\u003eOV2640 camera\u003c\/b\u003e, making it the perfect solution for your wireless video projects.\u003c\/p\u003e\n\u003cp\u003eWith its low-power dual-core processor and support for a MicroSD card, you can easily build projects ranging from a DIY home security camera to a remote weather station or a time-lapse photography rig. It's fully featured and ready for your next big idea.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful Dual-Core Processor:\u003c\/b\u003e Runs on a 32-bit CPU with a main frequency up to 240MHz (600 DMIPS), providing plenty of power for image processing and other tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated WiFi \u0026amp; Bluetooth:\u003c\/b\u003e Built-in wireless connectivity for easy image uploads, remote control, and integration into your smart home or IoT network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOV2640 Camera Included:\u003c\/b\u003e Comes bundled with the popular 2-megapixel OV2640 camera module, so you can start your video projects right out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOnboard MicroSD Card Slot:\u003c\/b\u003e Supports TF (MicroSD) cards up to 4GB for conveniently storing images and videos locally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRich Peripheral Support:\u003c\/b\u003e Features a wide range of interfaces including UART, SPI, I2C, and PWM, allowing you to connect various sensors and peripherals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible \u0026amp; Low-Power:\u003c\/b\u003e Supports multiple sleep modes, making it ideal for battery-powered applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady for Development:\u003c\/b\u003e Supports secondary development with embedded Lwip, FreeRTOS, and Smart Config for quick network setup.\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\u003e1 x ESP32-CAM Development Board\u003c\/li\u003e\n\u003cli\u003e1 x OV2640 Camera Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41683775062167,"sku":"21CM000383","price":78.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/esp32-cam-board-with-ov2640-camera.jpg?v=1753424168"},{"product_id":"diy-mini-radar-scanning-ultrasonic-detection-robot-for-arduino","title":"DIY Ultrasonic Radar Scanning Kit with LCD Display for ESP8266","description":"\u003cp data-path-to-node=\"24\"\u003eStep into the world of distance sensing and robotics with our all-in-one DIY Ultrasonic Radar Scanning Kit. This project is perfect for makers, students, and hobbyists, allowing you to build a functional mini radar system that detects objects up to \u003cb\u003e1 meter\u003c\/b\u003e away. Powered by an \u003cb\u003eESP8266\u003c\/b\u003e main controller, this kit is reliable, educational, and ready to use after simple assembly!\u003c\/p\u003e\n\u003cp data-path-to-node=\"25\"\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eKey Features (Easy Assembly, Ready-to-Use)\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"26,0,0\"\u003e\n\u003cb\u003eZero Soldering, Zero Coding:\u003c\/b\u003e The kit comes pre-loaded with firmware. It’s ready to run right after the physical assembly—no complex soldering or programming is required for initial operation!\u003c\/li\u003e\n\u003cli data-path-to-node=\"26,1,0\"\u003e\n\u003cb\u003eReal-time Visualization:\u003c\/b\u003e Displays detected targets (within 1 meter) as clear red dots on a vibrant LCD screen, accurately simulating a real radar sweep.\u003c\/li\u003e\n\u003cli data-path-to-node=\"26,2,0\"\u003e\n\u003cb\u003ePowerful Controller:\u003c\/b\u003e Built around the versatile \u003cb\u003eESP8266\u003c\/b\u003e main controller and an expansion board, ensuring stable performance and offering vast potential for future customization.\u003c\/li\u003e\n\u003cli data-path-to-node=\"26,3,0\"\u003e\n\u003cb\u003eEducational \u0026amp; Fun:\u003c\/b\u003e An excellent STEM project for learning the principles of ultrasonic distance sensing, servo motor control, and microcontroller applications.\u003c\/li\u003e\n\u003cli data-path-to-node=\"26,4,0\"\u003e\n\u003cb\u003eDurable Build:\u003c\/b\u003e Constructed from durable and precisely cut acrylic parts, providing a stable and professional-looking finished product.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"27\"\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h4\u003e\n\u003ctable data-path-to-node=\"28\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,1,0,0\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,1,1,0\"\u003eMini Radar Scanning Ultrasonic Detection Robot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,2,0,0\"\u003eMaster Controller\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,2,1,0\"\u003eESP8266 and Expansion Board\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,3,0,0\"\u003eWorking Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,3,1,0\"\u003e5V\/2A (A stable and sufficient power supply is recommended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,4,0,0\"\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,4,1,0\"\u003e-40℃ to 85℃\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,5,0,0\"\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,5,1,0\"\u003eAcrylic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,6,0,0\"\u003eAssembled Size (Approx.)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"28,6,1,0\"\u003e145mm x 95mm x 90mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-path-to-node=\"29\"\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eImportant Note\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"30,0,0\"\u003eThis is a \u003cb\u003eDIY kit\u003c\/b\u003e that requires \u003cb\u003eself-assembly\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli data-path-to-node=\"30,1,0\"\u003eWhile no coding is needed for initial operation (firmware is pre-loaded), the open-source design allows advanced users to modify the code for custom functions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43076644208791,"sku":"21CU000073","price":199.0,"currency_code":"HKD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp8266-diy-ultrasonic-radar-kit-lcd.jpg?v=1764059418"},{"product_id":"esp32-smart-farm-kit","title":"Keyestudio ESP32 Smart Farm IoT DIY Kit","description":"\u003ch2\u003e\u003cb\u003eBuild Your Own Automated Miniature Farm!\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eDive into the exciting world of the Internet of Things (IoT) with the Keyestudio ESP32 Smart Farm Kit. This all-in-one DIY kit provides everything you need to build, code, and operate a miniature smart farm, complete with automated irrigation, temperature control, and even a smart feeding system. It's the perfect hands-on project for students, hobbyists, and anyone curious about coding and electronics.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhy You'll Love It\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLearn by Doing:\u003c\/b\u003e Go from unboxing to a fully functional IoT system. This kit is designed to teach you practical skills in programming (Arduino \u0026amp; Scratch 3.0), sensor integration, and wireless communication in a fun and engaging way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComprehensive \u0026amp; All-Inclusive:\u003c\/b\u003e Includes an ESP32 main board, a variety of sensors (soil moisture, temperature, light, water level), a solar panel, motors, and all the tools you need to get started. No extra parts are required!\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEndless Creativity:\u003c\/b\u003e Based on the powerful and flexible ESP32 platform, this kit is highly scalable. Master the included projects and then expand your farm with your own creative ideas and additional sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Projects\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAutomatic Irrigation:\u003c\/b\u003e The soil moisture sensor detects when your plants are thirsty and automatically activates the water pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFarm Temperature Control:\u003c\/b\u003e A temperature and humidity sensor monitors the environment, turning on a fan when it gets too hot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSolar Power System:\u003c\/b\u003e Learn about renewable energy by powering your farm with the included solar panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSmart Feeding:\u003c\/b\u003e Program the servo motor to open and close a feeding box for your miniature livestock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRemote Operation:\u003c\/b\u003e Use the ESP32's built-in Wi-Fi and Bluetooth to monitor and control your farm from a computer or smartphone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMain Control Board:\u003c\/b\u003e ESP32 PLUS Development Board\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Voltage:\u003c\/b\u003e 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBattery Voltage:\u003c\/b\u003e 9V (Battery not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Power Consumption:\u003c\/b\u003e ≤10W\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnectivity:\u003c\/b\u003e 2.4G WiFi \u0026amp; Bluetooth v4.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProgramming:\u003c\/b\u003e Arduino IDE, Scratch 3.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions (Assembled):\u003c\/b\u003e 255mm x 185mm x 130mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Temperature:\u003c\/b\u003e -10°C to +65°C\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyestudio","offers":[{"title":"Default Title","offer_id":43474882101399,"sku":"","price":599.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/keyestudio-esp32-smart-farm-kit-iot-diy-main.jpg?v=1754207826"},{"product_id":"esp32-development-board-type-c-expansion-board","title":"ESP32 30-Pin Expansion Board | DevKitC Breakout | Type-C \u0026 DC Power","description":"\u003ch4 data-start=\"716\" data-end=\"736\"\u003e⚙️ \u003cstrong data-start=\"724\" data-end=\"736\"\u003eOverview\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"737\" data-end=\"1061\"\u003eMaximize your \u003cstrong data-start=\"751\" data-end=\"777\"\u003eESP32-DevKitC (30-Pin)\u003c\/strong\u003e board with this \u003cstrong data-start=\"794\" data-end=\"827\"\u003ehigh-quality expansion shield\u003c\/strong\u003e designed for makers, engineers, and IoT enthusiasts. This board expands all 30 pins into \u003cstrong data-start=\"917\" data-end=\"947\"\u003eeasy-to-use GVS interfaces\u003c\/strong\u003e, supports \u003cstrong data-start=\"958\" data-end=\"978\"\u003edual power input\u003c\/strong\u003e, and includes \u003cstrong data-start=\"993\" data-end=\"1006\"\u003eI2C ports\u003c\/strong\u003e for rapid prototyping and complex circuit integration.\u003c\/p\u003e\n\u003chr data-start=\"1063\" data-end=\"1066\"\u003e\n\u003ch4 data-start=\"1068\" data-end=\"1092\"\u003e🚀 \u003cstrong data-start=\"1076\" data-end=\"1092\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1095\" data-end=\"1258\"\u003e\n\u003cstrong data-start=\"1095\" data-end=\"1121\"\u003e🔋 Dual Power Options:\u003c\/strong\u003e\u003cbr data-start=\"1121\" data-end=\"1124\"\u003ePower your board via \u003cstrong data-start=\"1147\" data-end=\"1166\"\u003eUSB Type-C (5V)\u003c\/strong\u003e or \u003cstrong data-start=\"1170\" data-end=\"1191\"\u003eDC Jack (6.5–16V)\u003c\/strong\u003e for flexibility in both development and installation environments.\u003c\/li\u003e\n\u003cli data-start=\"1262\" data-end=\"1440\"\u003e\n\u003cstrong data-start=\"1262\" data-end=\"1291\"\u003e🧩 Complete Pin Breakout:\u003c\/strong\u003e\u003cbr data-start=\"1291\" data-end=\"1294\"\u003eEvery pin from your ESP32-DevKitC module is expanded to a \u003cstrong data-start=\"1354\" data-end=\"1387\"\u003eGVS (Ground, Voltage, Signal)\u003c\/strong\u003e connector, simplifying sensor and peripheral wiring.\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1586\"\u003e\n\u003cstrong data-start=\"1444\" data-end=\"1466\"\u003e📡 Dual I2C Ports:\u003c\/strong\u003e\u003cbr data-start=\"1466\" data-end=\"1469\"\u003eTwo dedicated \u003cstrong data-start=\"1485\" data-end=\"1513\"\u003eI2C expansion interfaces\u003c\/strong\u003e provide easy connection to displays, sensors, and communication modules.\u003c\/li\u003e\n\u003cli data-start=\"1590\" data-end=\"1743\"\u003e\n\u003cstrong data-start=\"1590\" data-end=\"1623\"\u003e⚙️ Adjustable Output Voltage:\u003c\/strong\u003e\u003cbr data-start=\"1623\" data-end=\"1626\"\u003eSelect \u003cstrong data-start=\"1635\" data-end=\"1656\"\u003e5V or 3.3V output\u003c\/strong\u003e for the GVS pins using a jumper cap — perfect for a wide range of sensors and devices.\u003c\/li\u003e\n\u003cli data-start=\"1747\" data-end=\"1868\"\u003e\n\u003cstrong data-start=\"1747\" data-end=\"1769\"\u003e🔌 JUMP Interface:\u003c\/strong\u003e\u003cbr data-start=\"1769\" data-end=\"1772\"\u003eInnovative “JUMP” pin design supports efficient pin reuse and advanced circuit configurations.\u003c\/li\u003e\n\u003cli data-start=\"1872\" data-end=\"2007\"\u003e\n\u003cstrong data-start=\"1872\" data-end=\"1897\"\u003e✅ High Compatibility:\u003c\/strong\u003e\u003cbr data-start=\"1897\" data-end=\"1900\"\u003eDesigned for \u003cstrong data-start=\"1915\" data-end=\"1938\"\u003eESP32-DevKitC (30P)\u003c\/strong\u003e boards. Please verify pin spacing before use to ensure a proper fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2009\" data-end=\"2012\"\u003e\n\u003ch4 data-start=\"2014\" data-end=\"2048\"\u003e📏 \u003cstrong data-start=\"2022\" data-end=\"2048\"\u003eProduct 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=\"2050\" data-end=\"2607\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2050\" data-end=\"2096\"\u003e\n\u003ctr data-start=\"2050\" data-end=\"2096\"\u003e\n\u003cth data-start=\"2050\" data-end=\"2061\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2052\" data-end=\"2060\"\u003eItem\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"2061\" data-end=\"2096\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"2063\" data-end=\"2094\"\u003eSpecification \/ Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2144\" data-end=\"2607\"\u003e\n\u003ctr data-start=\"2144\" data-end=\"2203\"\u003e\n\u003ctd data-start=\"2144\" data-end=\"2170\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2146\" data-end=\"2169\"\u003eModel Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2170\" data-end=\"2203\"\u003eESP32-DevKitC (30-Pin Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2204\" data-end=\"2244\"\u003e\n\u003ctd data-start=\"2204\" data-end=\"2226\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2206\" data-end=\"2225\"\u003ePower Input (1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2226\" data-end=\"2244\"\u003eUSB Type-C: 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2245\" data-end=\"2290\"\u003e\n\u003ctd data-start=\"2245\" data-end=\"2267\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2247\" data-end=\"2266\"\u003ePower Input (2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2267\" data-end=\"2290\"\u003eDC Jack: 6.5V – 16V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2291\" data-end=\"2338\"\u003e\n\u003ctd data-start=\"2291\" data-end=\"2309\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2293\" data-end=\"2308\"\u003eIO Breakout\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2309\" data-end=\"2338\"\u003eFull 30-pin GVS interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2339\" data-end=\"2392\"\u003e\n\u003ctd data-start=\"2339\" data-end=\"2365\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2341\" data-end=\"2364\"\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2365\" data-end=\"2392\"\u003e2 × I2C expansion ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2393\" data-end=\"2452\"\u003e\n\u003ctd data-start=\"2393\" data-end=\"2425\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2395\" data-end=\"2424\"\u003eSelectable Output Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2425\" data-end=\"2452\"\u003e5V or 3.3V (via jumper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2453\" data-end=\"2489\"\u003e\n\u003ctd data-start=\"2453\" data-end=\"2473\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2455\" data-end=\"2472\"\u003eLED Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2473\" data-end=\"2489\"\u003ePower status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2490\" data-end=\"2539\"\u003e\n\u003ctd data-start=\"2490\" data-end=\"2515\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2492\" data-end=\"2514\"\u003eMounting Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2515\" data-end=\"2539\"\u003eESP32 DevKitC socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2540\" data-end=\"2607\"\u003e\n\u003ctd data-start=\"2540\" data-end=\"2557\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2542\" data-end=\"2556\"\u003eBoard Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2557\" data-end=\"2607\"\u003eHigh-reliability breakout \u0026amp; development module\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=\"2609\" data-end=\"2612\"\u003e\n\u003ch4 data-start=\"2614\" data-end=\"2642\"\u003e🧰 \u003cstrong data-start=\"2622\" data-end=\"2642\"\u003eInterface Layout\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003col\u003e\n\u003cli data-start=\"2646\" data-end=\"2676\"\u003e\n\u003cstrong data-start=\"2646\" data-end=\"2654\"\u003ePWR:\u003c\/strong\u003e Power indicator LED\u003c\/li\u003e\n\u003cli data-start=\"2680\" data-end=\"2712\"\u003e\n\u003cstrong data-start=\"2680\" data-end=\"2691\"\u003eUSB 5V:\u003c\/strong\u003e Type-C power input\u003c\/li\u003e\n\u003cli data-start=\"2716\" data-end=\"2753\"\u003e\n\u003cstrong data-start=\"2716\" data-end=\"2731\"\u003eDC 6.5–16V:\u003c\/strong\u003e DC power input jack\u003c\/li\u003e\n\u003cli data-start=\"2757\" data-end=\"2812\"\u003e\n\u003cstrong data-start=\"2757\" data-end=\"2786\"\u003eI2C Expansion Ports (x2):\u003c\/strong\u003e Communication interface\u003c\/li\u003e\n\u003cli data-start=\"2816\" data-end=\"2863\"\u003e\n\u003cstrong data-start=\"2816\" data-end=\"2834\"\u003eGVS Interface:\u003c\/strong\u003e Easy access to all IO pins\u003c\/li\u003e\n\u003cli data-start=\"2867\" data-end=\"2924\"\u003e\n\u003cstrong data-start=\"2867\" data-end=\"2886\"\u003eJUMP Interface:\u003c\/strong\u003e Pin reuse and multi-function design\u003c\/li\u003e\n\u003cli data-start=\"2928\" data-end=\"2975\"\u003e\n\u003cstrong data-start=\"2928\" data-end=\"2947\"\u003e5V\/3.3V Jumper:\u003c\/strong\u003e Selectable output voltage\u003c\/li\u003e\n\u003cli data-start=\"2979\" data-end=\"3041\"\u003e\n\u003cstrong data-start=\"2979\" data-end=\"3001\"\u003eInstallation Slot:\u003c\/strong\u003e Mount your ESP32 DevKitC board easily\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-start=\"3043\" data-end=\"3046\"\u003e\n\u003ch4 data-start=\"3048\" data-end=\"3076\"\u003e📦 \u003cstrong data-start=\"3056\" data-end=\"3076\"\u003ePackage Includes\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"3079\" data-end=\"3144\"\u003e1 × ESP32 Development Board Expansion Shield (for DevKitC 30-Pin)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3146\" data-end=\"3149\"\u003e\n\u003ch4 data-start=\"3151\" data-end=\"3177\"\u003e\u003cstrong data-start=\"3155\" data-end=\"3177\"\u003eWhy You’ll Love It\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"3178\" data-end=\"3473\"\u003eThis \u003cstrong data-start=\"3183\" data-end=\"3208\"\u003eESP32 Expansion Board\u003c\/strong\u003e is ideal for \u003cstrong data-start=\"3222\" data-end=\"3276\"\u003eIoT projects, smart devices, and rapid prototyping\u003c\/strong\u003e. It removes the hassle of messy jumper wires and ensures reliable connections for sensors, displays, and actuators. Whether you’re a hobbyist or developer, it’s a must-have for your ESP32 toolkit.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43480918392983,"sku":"21TS001619","price":19.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ESP32-Type-C-Expansion-Board-Power-Front-Pins.jpg?v=1762495281"},{"product_id":"esp32-module-2-8-inch-esp32-2432s028r-240-320-lcd-screen","title":"ESP32 WiFi Bluetooth 2.8\" TFT LCD Touch Development Board","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eESP32 WiFi Bluetooth 2.8\" LCD Touch Development Board (ESP32-2432S028R)\u003c\/strong\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\"\u003eEnhance your IoT and smart display projects with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eESP32-2432S028R Development Board\u003c\/strong\u003e. This compact and powerful module integrates the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eESP32-WROOM-32 dual-core MCU\u003c\/strong\u003e, offering up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e240MHz clock speed\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWiFi + Bluetooth\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnectivity, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4MB + 4MB Flash storage\u003c\/strong\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\"\u003eThe board features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.8-inch 240x320 TFT LCD display\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eresistive touch screen\u003c\/strong\u003e, making it perfect for interactive applications and user interfaces. Built-in circuits include\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebacklight control\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etouch controller\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephotosensor\u003c\/strong\u003e, and a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003espeaker driver\u003c\/strong\u003e, giving developers maximum flexibility for multimedia or environmental monitoring projects.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eExpand your project further with built-in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTF card slot\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDHT11 temperature and humidity sensor interface\u003c\/strong\u003e, and additional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eserial and I\/O pins\u003c\/strong\u003e. The ESP32-2432S028R supports various programming environments including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino IDE\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eESP-IDF\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMicroPython\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMixly\u003c\/strong\u003e, making it an ideal choice for beginners, educators, and IoT developers.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUse it for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eremote control systems, smart home displays, data visualization dashboards\u003c\/strong\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIoT device prototypes\u003c\/strong\u003e. It also supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eScratch 3.0 graphical programming\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eApp drag-and-drop interface design\u003c\/strong\u003e, ideal for rapid development of remote-controlled or app-connected IoT projects.\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\u003ePackage Includes:\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\"\u003e1 × 2.8\" ESP32 development board (ESP32-2432S028R)\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 × USB cable\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 × Dupont wire set\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\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003e\u003ca rel=\"nofollow noopener\" class=\"reset interactable cursor-pointer decoration-1 underline-offset-1 text-super hover:underline font-semibold\" href=\"https:\/\/drive.google.com\/file\/d\/1E85GDLWHMqLSKMN7CNddRtbESKiiOrmG\/view?usp=sharing\" target=\"_blank\"\u003e\u003cspan class=\"text-box-trim-both\"\u003eProduct Manual and Guide (Google Drive)\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43482875396247,"sku":"21CU000087","price":169.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-2432s028r-smart-display-kit.jpg?v=1763717490"},{"product_id":"esp-01s-5v-wifi-relay-module","title":"ESP8266 ESP-01S 5V WiFi Relay Module (Supports APP Remote Control)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis smart relay module is specially designed for the ESP-01S WiFi module, making it an ideal choice for DIY smart home projects. With this module, you can easily convert traditional appliances into smart devices and remotely control their power via a mobile app. The design supports plug-and-play use and offers LUA source code, making it easy for developers to get started quickly.\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\"\u003eSmart Home DIY Preferred: Designed for IoT applications, perfect for building your own smart switches and sockets.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\" data-state=\"closed\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.alibaba.com\/product-detail\/ESP8266-ESP-01S-ESP01-S-5V_62088686780.html\" target=\"_blank\"\u003e\u003c\/a\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\"\u003eRemote Control: Works with ESP-01S module, allowing you to control appliances anytime, anywhere via mobile app.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\" data-state=\"closed\" aria-label=\"ESP8266 ESP-01S 5V Wifi Relay Module for Smart Home ...\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.alibaba.com\/product-detail\/ESP8266-ESP-01S-ESP01-S-5V_62088686780.html\" target=\"_blank\"\u003e\u003c\/a\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\"\u003eHigh Load Capacity: Relay supports up to 10A 250VAC \/ 10A 30VDC, suitable for most household appliances.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\" data-state=\"closed\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/chinese.alibaba.com\/product-detail\/ESP8266-ESP-01S-5V-WiFi-Relay-62150700110.html\" target=\"_blank\"\u003e\u003c\/a\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 Compatibility: Optimized for ESP-01S (built-in pull-up resistor), also compatible with ESP-01 (requires external 10K pull-up resistor).\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWorking Voltage: DC 5V.\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\u003eSpecifications:\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 Voltage: DC 5V\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRelay Model: SRD-05VDC-SL-C\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLoad Ratings:\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e10A 250VAC\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e10A 125VAC\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e10A 30VDC\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e10A 28VDC\u003c\/li\u003e\n\u003c\/ul\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\u003eESP-01 vs ESP-01S Note:\u003c\/strong\u003e\u003cbr\u003eThis module is optimized for the ESP-01S, which has the required pull-up resistor on the board. If you are using the older ESP-01 version, you need to connect a 10K pull-up resistor manually.\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\u003eImportant Notice (Disclaimer):\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\"\u003eTechnical Level: This product is a developer module and requires users to download and flash firmware themselves.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNo Technical Support: Store only provides hardware and basic info, not programming or troubleshooting assistance. Beginners should consider their skills before purchasing.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReturn Policy: No warranty or returns for damage due to incorrect operation (such as wrong wiring or over-voltage). Please handle with care.\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\u003eReference \u0026amp; Downloads:\u003c\/strong\u003e\u003cbr\u003eThe following supplier links include the Android app and LUA source code. Note: Links may become inaccessible at any time, and the store is not responsible for external content.\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\"\u003eESP8266 Docs:\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"nofollow noopener\" class=\"reset interactable cursor-pointer decoration-1 underline-offset-1 text-super hover:underline font-semibold\" href=\"https:\/\/pan.baidu.com\/s\/1X-_xI9pWe-FH5rPXtVJ1qQ?pwd=a5c8\" target=\"_blank\"\u003e\u003cspan class=\"text-box-trim-both\"\u003ehttps:\/\/pan.baidu.com\/s\/1X-_xI9pWe-FH5rPXtVJ1qQ?pwd=a5c8\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(code: a5c8)\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAPP \u0026amp; LUA Source:\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"nofollow noopener\" class=\"reset interactable cursor-pointer decoration-1 underline-offset-1 text-super hover:underline font-semibold\" href=\"https:\/\/pan.baidu.com\/s\/17bxsjaolH6lyPF0HihAVsw?pwd=tiry\" target=\"_blank\"\u003e\u003cspan class=\"text-box-trim-both\"\u003ehttps:\/\/pan.baidu.com\/s\/17bxsjaolH6lyPF0HihAVsw?pwd=tiry\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(code: tiry)\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eESP-01S Docs:\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"nofollow noopener\" class=\"reset interactable cursor-pointer decoration-1 underline-offset-1 text-super hover:underline font-semibold\" href=\"https:\/\/pan.baidu.com\/s\/1G_tb3Xz51RJBdjPBQHAXug?pwd=6yk5\" target=\"_blank\"\u003e\u003cspan class=\"text-box-trim-both\"\u003ehttps:\/\/pan.baidu.com\/s\/1G_tb3Xz51RJBdjPBQHAXug?pwd=6yk5\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(code: 6yk5)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43506139922583,"sku":"21PS001375","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp8266-esp-01s-5v-wifi-relay-module-smart-home-switch.jpg?v=1763542214"},{"product_id":"nano-esp32-with-headers","title":"Arduino Nano ESP32 with Headers – ABX00083 | Wi-Fi, Bluetooth","description":"\u003ch3 data-start=\"295\" data-end=\"309\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"310\" data-end=\"626\"\u003eThe \u003cstrong data-start=\"314\" data-end=\"347\"\u003eArduino Nano ESP32 (ABX00083)\u003c\/strong\u003e is a compact and powerful development board that combines the robustness of the \u003cstrong data-start=\"428\" data-end=\"456\"\u003eESP32-S3 microcontroller\u003c\/strong\u003e with the user-friendly Arduino ecosystem. Perfect for beginners and advanced makers alike, it’s designed for IoT, MicroPython, and HID projects in a small form factor.\u003c\/p\u003e\n\u003ch3 data-start=\"628\" data-end=\"646\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"649\" data-end=\"725\"\u003e\n\u003cstrong data-start=\"649\" data-end=\"670\"\u003eCompact Nano Size\u003c\/strong\u003e – Easily fits into embedded and standalone projects.\u003c\/li\u003e\n\u003cli data-start=\"728\" data-end=\"837\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"753\"\u003eWireless Connectivity\u003c\/strong\u003e – Built-in \u003cstrong data-start=\"765\" data-end=\"775\"\u003eWi-Fi®\u003c\/strong\u003e and \u003cstrong data-start=\"780\" data-end=\"794\"\u003eBluetooth®\u003c\/strong\u003e powered by u-blox® NORA-W106 (ESP32-S3).\u003c\/li\u003e\n\u003cli data-start=\"840\" data-end=\"931\"\u003e\n\u003cstrong data-start=\"840\" data-end=\"873\"\u003eArduino \u0026amp; MicroPython Support\u003c\/strong\u003e – Switch between Arduino IDE and MicroPython with ease.\u003c\/li\u003e\n\u003cli data-start=\"934\" data-end=\"1031\"\u003e\n\u003cstrong data-start=\"934\" data-end=\"953\"\u003eIoT Cloud Ready\u003c\/strong\u003e – Monitor and control your projects remotely via the Arduino IoT Cloud app.\u003c\/li\u003e\n\u003cli data-start=\"1034\" data-end=\"1100\"\u003e\n\u003cstrong data-start=\"1034\" data-end=\"1049\"\u003eHID Support\u003c\/strong\u003e – Emulate USB devices such as keyboards or mice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1102\" data-end=\"1132\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1135\" data-end=\"1186\"\u003e\n\u003cstrong data-start=\"1135\" data-end=\"1155\"\u003eMicrocontroller:\u003c\/strong\u003e u-blox® NORA-W106 (ESP32-S3)\u003c\/li\u003e\n\u003cli data-start=\"1189\" data-end=\"1216\"\u003e\n\u003cstrong data-start=\"1189\" data-end=\"1207\"\u003eUSB Connector:\u003c\/strong\u003e USB-C®\u003c\/li\u003e\n\u003cli data-start=\"1219\" data-end=\"1295\"\u003e\n\u003cstrong data-start=\"1219\" data-end=\"1228\"\u003ePins:\u003c\/strong\u003e 14x Digital I\/O, 8x Analog Input, 5x PWM, Built-in LED on pin 13\u003c\/li\u003e\n\u003cli data-start=\"1298\" data-end=\"1348\"\u003e\n\u003cstrong data-start=\"1298\" data-end=\"1316\"\u003eCommunication:\u003c\/strong\u003e UART (1x), I2C (1x), SPI (1x)\u003c\/li\u003e\n\u003cli data-start=\"1351\" data-end=\"1405\"\u003e\n\u003cstrong data-start=\"1351\" data-end=\"1368\"\u003eConnectivity:\u003c\/strong\u003e Wi-Fi® \u0026amp; Bluetooth® (via ESP32-S3)\u003c\/li\u003e\n\u003cli data-start=\"1408\" data-end=\"1475\"\u003e\n\u003cstrong data-start=\"1408\" data-end=\"1418\"\u003ePower:\u003c\/strong\u003e 3.3V I\/O, Input 5–18V, 40mA source \/ 28mA sink per I\/O\u003c\/li\u003e\n\u003cli data-start=\"1478\" data-end=\"1510\"\u003e\n\u003cstrong data-start=\"1478\" data-end=\"1494\"\u003eClock Speed:\u003c\/strong\u003e Up to 240 MHz\u003c\/li\u003e\n\u003cli data-start=\"1513\" data-end=\"1572\"\u003e\n\u003cstrong data-start=\"1513\" data-end=\"1524\"\u003eMemory:\u003c\/strong\u003e 384 kB ROM, 512 kB SRAM, 16 MB external flash\u003c\/li\u003e\n\u003cli data-start=\"1575\" data-end=\"1606\"\u003e\n\u003cstrong data-start=\"1575\" data-end=\"1590\"\u003eDimensions:\u003c\/strong\u003e 18 mm x 45 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43552233226391,"sku":"21CU000096","price":199.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/arduino-nano-esp32-with-headers-abx00083.jpg?v=1777557060"},{"product_id":"esp32-extension-board-38pin","title":"ESP32 38-Pin Power Expansion Board | Type-C, Micro USB \u0026 DC Input","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTriple Power Input for Stable IoT Prototyping\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThis expansion board provides three distinct power supply options—Type-C, Micro USB, and a DC barrel jack—to ensure your ESP32 receives consistent voltage under any load. Standard USB ports often struggle to deliver enough current when your IoT project involves multiple sensors, relays, or wireless transmissions, leading to frustrating brownouts and random reboots. By utilizing the onboard DC 6.5-16V power socket, you can safely inject external power to drive heavy loads while maintaining a stable 3.3V\/5V logic level for your microcontroller.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSeamless 38-Pin ESP32 Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDesigned specifically for 38-pin ESP32 and ESP-WROOM-32 modules, this backboard features a single-sided double-row female header for instant plug-and-play installation. It completely eliminates the need to balance your microcontroller on a wobbly breadboard. Every single GPIO pin is broken out into clearly labeled, easy-to-access header rows, allowing you to connect jumper wires securely and rapidly during the prototyping phase.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePro Tip from Our Technicians\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eAlways verify that your ESP32 module has exactly 38 pins before mounting it to this expansion board, as it will not fit the narrower 30-pin variants. Our Sham Shui Po DIY experts recommend using the DC barrel jack with a dedicated power adapter when running Wi-Fi and Bluetooth simultaneously, as this prevents the voltage drops that commonly cause wireless connection failures.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43611164803223,"sku":"21TS001679","price":35.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-38pin-power-expansion-board-angle-view.jpg?v=1787303256"},{"product_id":"esp32-cam-mb-ch340-usb-module","title":"ESP32-CAM-MB CH340 Micro USB Programmer Board for ESP32-CAM","description":"\u003ch4 data-start=\"223\" data-end=\"277\"\u003e\u003cstrong data-start=\"226\" data-end=\"275\"\u003eESP32-CAM-MB CH340 Micro USB Programmer Board\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"278\" data-end=\"529\"\u003eMake programming the ESP32-CAM simple and reliable with the \u003cstrong data-start=\"338\" data-end=\"371\"\u003eESP32-CAM-MB Programmer Board\u003c\/strong\u003e. Instead of wiring an FTDI adapter manually, this add-on board lets you plug in the ESP32-CAM directly, connect a micro USB cable, and upload code instantly.\u003c\/p\u003e\n\u003cp data-start=\"531\" data-end=\"873\"\u003eDesigned for makers, developers, and DIY electronics projects, this board includes the \u003cstrong data-start=\"618\" data-end=\"654\"\u003eCH340G\/CH340C USB-to-Serial chip\u003c\/strong\u003e, providing stable data transfer between your computer and the ESP32-CAM. The board also features a \u003cstrong data-start=\"754\" data-end=\"784\"\u003ebuilt-in voltage regulator\u003c\/strong\u003e, \u003cstrong data-start=\"786\" data-end=\"802\"\u003eRESET button\u003c\/strong\u003e, and \u003cstrong data-start=\"808\" data-end=\"829\"\u003eBOOT (IO0) button\u003c\/strong\u003e—ideal for entering flashing mode with ease.\u003c\/p\u003e\n\u003chr data-start=\"875\" data-end=\"878\"\u003e\n\u003ch4 data-start=\"880\" data-end=\"901\"\u003e⭐ \u003cstrong data-start=\"885\" data-end=\"901\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003ch4 data-start=\"903\" data-end=\"947\"\u003e\u003cstrong data-start=\"907\" data-end=\"945\"\u003e• Simple Plug-and-Play Programming\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"948\" data-end=\"1054\"\u003eNo more messy wiring. Just stack the ESP32-CAM onto the MB board, connect via micro USB, and press upload.\u003c\/p\u003e\n\u003ch4 data-start=\"1056\" data-end=\"1105\"\u003e\u003cstrong data-start=\"1060\" data-end=\"1103\"\u003e• CH340G\/CH340C USB-to-Serial Converter\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1106\" data-end=\"1187\"\u003eEnsures fast and stable communication with your computer when uploading firmware.\u003c\/p\u003e\n\u003ch4 data-start=\"1189\" data-end=\"1230\"\u003e\u003cstrong data-start=\"1193\" data-end=\"1228\"\u003e• Built-In RESET \u0026amp; BOOT Buttons\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1231\" data-end=\"1300\"\u003eQuickly reset the ESP32-CAM or enter flash mode without jumper wires.\u003c\/p\u003e\n\u003ch4 data-start=\"1302\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1306\" data-end=\"1331\"\u003e• Stable Power Supply\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1334\" data-end=\"1448\"\u003eIntegrated voltage regulator (4.7V–5.3V input) provides a reliable power source to ensure smooth camera operation.\u003c\/p\u003e\n\u003ch4 data-start=\"1450\" data-end=\"1476\"\u003e\u003cstrong data-start=\"1454\" data-end=\"1474\"\u003e• Compact Design\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1477\" data-end=\"1578\"\u003eSmall footprint makes it ideal for bench development, prototyping, or embedding into larger projects.\u003c\/p\u003e\n\u003chr data-start=\"1580\" data-end=\"1583\"\u003e\n\u003ch4 data-start=\"1585\" data-end=\"1609\"\u003e📦 \u003cstrong data-start=\"1591\" data-end=\"1609\"\u003eSpecifications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1613\" data-end=\"1660\"\u003e\n\u003cstrong data-start=\"1613\" data-end=\"1623\"\u003eModel:\u003c\/strong\u003e ESP32-CAM-MB TTL Downloader Module\u003c\/li\u003e\n\u003cli data-start=\"1663\" data-end=\"1701\"\u003e\n\u003cstrong data-start=\"1663\" data-end=\"1672\"\u003eChip:\u003c\/strong\u003e CH340G \/ CH340C USB-Serial\u003c\/li\u003e\n\u003cli data-start=\"1704\" data-end=\"1734\"\u003e\n\u003cstrong data-start=\"1704\" data-end=\"1722\"\u003eInput Voltage:\u003c\/strong\u003e 4.7V–5.3V\u003c\/li\u003e\n\u003cli data-start=\"1737\" data-end=\"1778\"\u003e\n\u003cstrong data-start=\"1737\" data-end=\"1763\"\u003eOperating Temperature:\u003c\/strong\u003e -40°C ~ 85°C\u003c\/li\u003e\n\u003cli data-start=\"1781\" data-end=\"1808\"\u003e\n\u003cstrong data-start=\"1781\" data-end=\"1790\"\u003eSize:\u003c\/strong\u003e 40 × 27 × 10 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43819773493399,"sku":"21LN000370","price":35.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-cam-mb-ch340c-usb-programmer-module.png?v=1779202779"},{"product_id":"esp32-c3-development-module","title":"ESP32-C3 Mini Development Board - Wi-Fi\/Bluetooth 5 LE, RISC-V","description":"\u003ch4 data-start=\"535\" data-end=\"576\"\u003e⚡ Compact Power for IoT Innovation\u003c\/h4\u003e\n\u003cp data-start=\"577\" data-end=\"921\"\u003eThe \u003cstrong data-start=\"581\" data-end=\"616\"\u003eESP32-C3 Mini Development Board\u003c\/strong\u003e delivers an ideal blend of performance, efficiency, and compact design for modern IoT projects. Powered by the \u003cstrong data-start=\"728\" data-end=\"772\"\u003eESP32-C3FN4 RISC-V single-core processor\u003c\/strong\u003e, this board offers dual wireless connectivity and ultra-low power consumption — perfect for smart devices, wearables, and sensor-based applications.\u003c\/p\u003e\n\u003ch4 data-start=\"923\" data-end=\"968\"\u003e🌐 Reliable Dual Wireless Connectivity\u003c\/h4\u003e\n\u003cp data-start=\"969\" data-end=\"1160\"\u003eExperience fast and stable wireless performance with integrated \u003cstrong data-start=\"1033\" data-end=\"1064\"\u003e2.4GHz Wi-Fi (802.11 b\/g\/n)\u003c\/strong\u003e and \u003cstrong data-start=\"1069\" data-end=\"1088\"\u003eBluetooth® 5 LE\u003c\/strong\u003e, enabling easy connection to networks, mobile devices, and peripherals.\u003c\/p\u003e\n\u003ch4 data-start=\"1162\" data-end=\"1204\"\u003e🧠 Efficient RISC-V Processing Core\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1207\" data-end=\"1282\"\u003e\n\u003cstrong data-start=\"1207\" data-end=\"1221\"\u003eProcessor:\u003c\/strong\u003e 32-bit \u003cstrong data-start=\"1229\" data-end=\"1255\"\u003eRISC-V single-core CPU\u003c\/strong\u003e running up to \u003cstrong data-start=\"1270\" data-end=\"1280\"\u003e160MHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1285\" data-end=\"1355\"\u003e\n\u003cstrong data-start=\"1285\" data-end=\"1296\"\u003eMemory:\u003c\/strong\u003e \u003cstrong data-start=\"1297\" data-end=\"1311\"\u003e400KB SRAM\u003c\/strong\u003e, \u003cstrong data-start=\"1313\" data-end=\"1326\"\u003e384KB ROM\u003c\/strong\u003e, and \u003cstrong data-start=\"1332\" data-end=\"1345\"\u003e4MB Flash\u003c\/strong\u003e storage\u003c\/li\u003e\n\u003cli data-start=\"1358\" data-end=\"1454\"\u003e\n\u003cstrong data-start=\"1358\" data-end=\"1374\"\u003ePerformance:\u003c\/strong\u003e Optimized for low power operation in battery-powered or portable applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1456\" data-end=\"1503\"\u003e🔌 Developer-Friendly and Compact Design\u003c\/h4\u003e\n\u003cp data-start=\"1504\" data-end=\"1552\"\u003eBuilt for flexibility and ease of integration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1555\" data-end=\"1618\"\u003e\n\u003cstrong data-start=\"1555\" data-end=\"1579\"\u003eUSB Type-C interface\u003c\/strong\u003e for direct programming and debugging\u003c\/li\u003e\n\u003cli data-start=\"1621\" data-end=\"1691\"\u003e\n\u003cstrong data-start=\"1621\" data-end=\"1642\"\u003eCastellated edges\u003c\/strong\u003e for surface mounting or breadboard prototyping\u003c\/li\u003e\n\u003cli data-start=\"1694\" data-end=\"1757\"\u003e\n\u003cstrong data-start=\"1694\" data-end=\"1721\"\u003eOnboard ceramic antenna\u003c\/strong\u003e for reliable wireless performance\u003c\/li\u003e\n\u003cli data-start=\"1760\" data-end=\"1818\"\u003e\n\u003cstrong data-start=\"1760\" data-end=\"1785\"\u003eUltra-low power modes\u003c\/strong\u003e for energy-efficient operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1820\" data-end=\"1868\"\u003e🧩 Versatile I\/O and Connectivity Options\u003c\/h4\u003e\n\u003cp data-start=\"1869\" data-end=\"1971\"\u003eThe ESP32-C3 Mini provides \u003cstrong data-start=\"1896\" data-end=\"1928\"\u003e15 multifunctional GPIO pins\u003c\/strong\u003e, suitable for a variety of applications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1974\" data-end=\"2031\"\u003e\n\u003cstrong data-start=\"1974\" data-end=\"1997\"\u003eDigital Interfaces:\u003c\/strong\u003e 3× SPI, 1× I2C, 2× UART, 1× I2S\u003c\/li\u003e\n\u003cli data-start=\"2034\" data-end=\"2069\"\u003e\n\u003cstrong data-start=\"2034\" data-end=\"2051\"\u003eAnalog Input:\u003c\/strong\u003e 2× ADC channels\u003c\/li\u003e\n\u003cli data-start=\"2072\" data-end=\"2145\"\u003e\n\u003cstrong data-start=\"2072\" data-end=\"2095\"\u003eAdvanced Functions:\u003c\/strong\u003e PWM, TWAI (CAN bus), and flexible pin remapping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2147\" data-end=\"2185\"\u003e💻 Multiple Programming Options\u003c\/h4\u003e\n\u003cp data-start=\"2186\" data-end=\"2238\"\u003eGet started quickly using your preferred platform:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2241\" data-end=\"2288\"\u003e\n\u003cstrong data-start=\"2241\" data-end=\"2250\"\u003eC\/C++\u003c\/strong\u003e with \u003cstrong data-start=\"2256\" data-end=\"2267\"\u003eESP-IDF\u003c\/strong\u003e or \u003cstrong data-start=\"2271\" data-end=\"2286\"\u003eArduino IDE\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2291\" data-end=\"2344\"\u003e\n\u003cstrong data-start=\"2291\" data-end=\"2306\"\u003eMicroPython\u003c\/strong\u003e for fast and simple IoT prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2346\" data-end=\"2464\"\u003eIdeal for makers, students, and developers looking to build compact IoT devices with Wi-Fi and Bluetooth capabilities.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44043740610711,"sku":"21CU000102","price":49.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/waveshare-esp32-c3-zero-mini-dev-board-usb-c-angle-1.jpg?v=1777557111"},{"product_id":"s2-mini-development-module-2mb-psram","title":"ESP32 S2 Mini Development Board 4MB Flash + 2MB PSRAM | WiFi + USB-C","description":"\u003ch4 data-start=\"367\" data-end=\"433\"\u003e\u003cstrong data-start=\"371\" data-end=\"433\"\u003eESP32 S2 Mini Development Board with 4MB Flash + 2MB PSRAM\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"435\" data-end=\"766\"\u003eBring more power, memory, and flexibility to your DIY electronics and IoT projects with the \u003cstrong data-start=\"527\" data-end=\"544\"\u003eESP32 S2 Mini\u003c\/strong\u003e. 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and \u003cstrong data-start=\"970\" data-end=\"983\"\u003e2MB PSRAM\u003c\/strong\u003e, allowing smooth MicroPython operation and support for more complex applications.\u003c\/li\u003e\n\u003cli data-start=\"1069\" data-end=\"1193\"\u003e\n\u003cstrong data-start=\"1069\" data-end=\"1099\"\u003eUltra-Low Power Efficiency\u003c\/strong\u003e\u003cbr data-start=\"1099\" data-end=\"1102\"\u003eDesigned for low-power tasks, battery-powered devices, and always-on sensor applications.\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1455\"\u003e\n\u003cstrong data-start=\"1197\" data-end=\"1224\"\u003eFull Peripheral Support\u003c\/strong\u003e\u003cbr data-start=\"1224\" data-end=\"1227\"\u003eOffers \u003cstrong data-start=\"1236\" data-end=\"1260\"\u003e27 digital GPIO pins\u003c\/strong\u003e, all supporting\u003cbr data-start=\"1276\" data-end=\"1279\"\u003e✔ Interrupts\u003cbr data-start=\"1293\" data-end=\"1296\"\u003e✔ PWM\u003cbr data-start=\"1303\" data-end=\"1306\"\u003e✔ I2C\u003cbr data-start=\"1313\" data-end=\"1316\"\u003e✔ Single-wire interface\u003cbr data-start=\"1341\" data-end=\"1344\"\u003eAlso features \u003cstrong data-start=\"1360\" data-end=\"1392\"\u003eADC, DAC, SPI, UART, USB OTG\u003c\/strong\u003e, giving you flexibility for all kinds of electronics projects.\u003c\/li\u003e\n\u003cli data-start=\"1459\" data-end=\"1541\"\u003e\n\u003cstrong data-start=\"1459\" data-end=\"1488\"\u003eD1 Mini Compatible Layout\u003c\/strong\u003e\u003cbr data-start=\"1488\" data-end=\"1491\"\u003eWorks with most D1 Mini shields and accessories.\u003c\/li\u003e\n\u003cli data-start=\"1545\" data-end=\"1667\"\u003e\n\u003cstrong data-start=\"1545\" data-end=\"1570\"\u003eReady for Development\u003c\/strong\u003e\u003cbr data-start=\"1570\" data-end=\"1573\"\u003ePre-flashed with \u003cstrong data-start=\"1592\" data-end=\"1607\"\u003eMicroPython\u003c\/strong\u003e and supports Arduino, ESP-IDF, and CircuitPython workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1669\" data-end=\"1691\"\u003e\u003cstrong data-start=\"1673\" data-end=\"1691\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1695\" data-end=\"1721\"\u003e\n\u003cstrong data-start=\"1695\" data-end=\"1705\"\u003eModel:\u003c\/strong\u003e ESP32 S2 Mini\u003c\/li\u003e\n\u003cli data-start=\"1724\" data-end=\"1751\"\u003e\n\u003cstrong data-start=\"1724\" data-end=\"1744\"\u003eWorking Voltage:\u003c\/strong\u003e 3.3V\u003c\/li\u003e\n\u003cli data-start=\"1754\" data-end=\"1781\"\u003e\n\u003cstrong data-start=\"1754\" data-end=\"1768\"\u003eInterface:\u003c\/strong\u003e USB Type-C\u003c\/li\u003e\n\u003cli data-start=\"1784\" data-end=\"1807\"\u003e\n\u003cstrong data-start=\"1784\" data-end=\"1801\"\u003eFlash Memory:\u003c\/strong\u003e 4MB\u003c\/li\u003e\n\u003cli data-start=\"1810\" data-end=\"1826\"\u003e\n\u003cstrong data-start=\"1810\" data-end=\"1820\"\u003ePSRAM:\u003c\/strong\u003e 2MB\u003c\/li\u003e\n\u003cli data-start=\"1829\" data-end=\"1869\"\u003e\n\u003cstrong data-start=\"1829\" data-end=\"1843\"\u003eGPIO Pins:\u003c\/strong\u003e 27 digital input\/output\u003c\/li\u003e\n\u003cli data-start=\"1872\" data-end=\"1907\"\u003e\n\u003cstrong data-start=\"1872\" data-end=\"1893\"\u003eDefault Firmware:\u003c\/strong\u003e MicroPython\u003c\/li\u003e\n\u003cli data-start=\"1910\" data-end=\"1946\"\u003e\n\u003cstrong data-start=\"1910\" data-end=\"1925\"\u003eDimensions:\u003c\/strong\u003e Approx. 34 × 25 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1948\" data-end=\"1972\"\u003e\u003cstrong data-start=\"1952\" data-end=\"1972\"\u003ePackage Includes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1976\" data-end=\"2013\"\u003e1 × ESP32 S2 Mini Development Board\u003c\/li\u003e\n\u003cli data-start=\"2016\" data-end=\"2033\"\u003e4 × Pin Headers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44145597350039,"sku":"21CU000103","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ESP32-S2-Mini-Board-Pins-Header.jpg?v=1763443213"},{"product_id":"usb-c-esp32-development-module-30pin-cp2102","title":"ESP32 Dev Board - 30-Pin, USB-C, WiFi \u0026 Bluetooth Module","description":"\u003cp\u003e\u003cb\u003eOverview:\u003c\/b\u003e Unleash your creativity with our ESP32 Development Board, a powerful and versatile module featuring a 30-pin layout and a convenient USB-C (Type-C) interface. This compact board integrates the ESP-WROOM-32, a 2.4GHz dual-mode Wi-Fi and Bluetooth chip, making it ideal for a wide range of IoT and embedded projects.\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\u003eIntegrated Wi-Fi \u0026amp; Bluetooth:\u003c\/b\u003e Built with the ESP-WROOM-32 module, enjoy seamless wireless connectivity with 2.4GHz dual-mode Wi-Fi and Bluetooth capabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUSB-C Convenience:\u003c\/b\u003e Equipped with a modern USB-C (Type-C) port and an integrated CP2102 USB-TTL module for easy power and data transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Development:\u003c\/b\u003e Supports popular firmware such as NodeMCU (nodelua), MicroPython, and FreeRTOS, offering flexibility for various programming environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust \u0026amp; Reliable:\u003c\/b\u003e Crafted from high-quality materials, ensuring durability and stable performance for long-term use in your projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact \u0026amp; Efficient:\u003c\/b\u003e Utilizes 40nm low-power technology and integrates an antenna, RF balance, power amplifier, low noise amplifier, filter, and power management module into a small form factor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Network Modes:\u003c\/b\u003e Supports AP (Access Point), STA (Station), and AP+STA coexistence modes, allowing for diverse network configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eIdeal For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIoT Projects\u003c\/li\u003e\n\u003cli\u003eHome Automation\u003c\/li\u003e\n\u003cli\u003eWearable Devices\u003c\/li\u003e\n\u003cli\u003eSmart Sensors\u003c\/li\u003e\n\u003cli\u003eRapid Prototyping\u003c\/li\u003e\n\u003cli\u003eEducational 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\u003eModule:\u003c\/b\u003e ESP-32 (CP2102)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePins:\u003c\/b\u003e 30-Pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInterface:\u003c\/b\u003e USB Type-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWireless:\u003c\/b\u003e 2.4GHz Dual-Mode Wi-Fi + Bluetooth\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChip:\u003c\/b\u003e ESP-WROOM-32 (ESP32-WROOM-32)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Approximately 51mm x 28mm (2.00 inches x 1.10 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44424725627031,"sku":"21CU000111","price":65.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-dev-board-angled-view.jpg?v=1763023324"},{"product_id":"arduino-mkr-wifi-1010-abx00023","title":"Arduino MKR WiFi 1010: IoT Development Board with SAMD21 \u0026 ESP32","description":"\u003cp\u003e\u003cb\u003eStart with an engaging, benefit-oriented summary:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUnleash your creativity and build powerful, connected projects with the Arduino MKR WiFi 1010. This versatile development board is the perfect entry point for IoT applications, featuring a powerful combination of the SAMD21 micro-controller and a hybrid Wi-Fi\/Bluetooth module. Get started in minutes and connect to your favorite cloud services with ease.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWireless Connectivity:\u003c\/b\u003e Integrated Wi-Fi and Bluetooth Low Energy (BLE) module, perfect for building wireless sensor networks and remote-controlled devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSecure IoT:\u003c\/b\u003e Includes a Cryptochip for SHA-256 encrypted secure communication, ensuring your data is protected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Power Consumption:\u003c\/b\u003e The board's low-power mode extends battery life, making it ideal for portable and battery-powered projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEffortless Prototyping:\u003c\/b\u003e Simplifies the process of connecting and configuring other Arduino products, speeding up your project development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Power Options:\u003c\/b\u003e Can be powered via a USB cable or a 3.7V Li-Po battery. The integrated charging circuit allows you to run the board and charge the battery simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful Processor:\u003c\/b\u003e Equipped with a 32-bit ARM Cortex-M0+ running at 48MHz for high performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmple Memory:\u003c\/b\u003e Features 32KB of RAM and 256KB of Flash memory for complex projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Compatibility:\u003c\/b\u003e Supports the official Arduino Software IDE for easy development and programming.\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\u003ePart Number:\u003c\/b\u003e ABX00023SBC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMicrocontroller:\u003c\/b\u003e SAMD21, ARM Cortex-M0+\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClock Speed:\u003c\/b\u003e 48 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDigital I\/O Pins:\u003c\/b\u003e 22\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAnalog I\/O Pins:\u003c\/b\u003e 7\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInterfaces:\u003c\/b\u003e I2C, I2S, SPI, UART\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage:\u003c\/b\u003e 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRAM:\u003c\/b\u003e 32KB\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlash Memory:\u003c\/b\u003e 256KB\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnectivity:\u003c\/b\u003e Wi-Fi, BLE (Bluetooth Low Energy)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSecurity:\u003c\/b\u003e Cryptochip for SHA-256\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eIdeal for:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIoT (Internet of Things) Beginners \u0026amp; Professionals\u003c\/li\u003e\n\u003cli\u003eWireless Sensor Networks\u003c\/li\u003e\n\u003cli\u003eHome Automation \u0026amp; Smart Devices\u003c\/li\u003e\n\u003cli\u003eEmbedded System Design \u0026amp; Development\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Arduino","offers":[{"title":"Default Title","offer_id":44442164199575,"sku":"21CU000101","price":399.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/arduino-mkr-wifi-1010-board-front.jpg?v=1755768464"},{"product_id":"esp-link-v1-0-ch340c-esp8266-esp-01-prog-wifi-downloader","title":"ESP8266 ESP-01\/01S USB Programmer Downloader, Auto Firmware Flash Tool","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe ESP8266 ESP-01\/01S USB Downloader (ESP LINK V1.0 with CH340C) is a convenient programming and flashing tool designed for the ESP-01 and ESP-01S Wi-Fi modules. It features USB-to-UART conversion and an auto-download circuit, which allows users to program, upgrade firmware, and debug via serial without any manual button pressing or additional wiring.\u003c\/p\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"product-description\"\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\"\u003eThis downloader supports easy, one-click programming for ESP-01\/01S modules. Built with the CH340C USB-to-serial chip, it automatically puts the module into download mode, streamlining firmware upgrades and serial debugging. Compatible with major flashing tools like Arduino IDE, ESP8266Flasher, and Espressif Flash Download Tools, it eliminates the need for manual reset or wiring. The device supports both 3.3V and 5V ESP-01 modules, making it widely useful for prototyping and development.\u003c\/p\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"features\"\u003eFeatures\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\"\u003eUSB to UART using CH340C chip for fast connectivity.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAutomatic reset and download mode activation—no need to press buttons.\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 Arduino IDE, ESP8266Flasher, Espressif Flash Download Tools.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWorks with both 3.3V and 5V modules.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSimplifies the firmware update and debugging process.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNo extra wiring required—just plug and program.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44498061688983,"sku":"21PS001537","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp-01s-esp8266-wifi-programmer-usb.jpg?v=1763012599"},{"product_id":"esp32-e-ink-display-screen-module-wifi-wireless-powered-epaper-module","title":"ESP32 E-Paper Driver Board | WiFi \u0026 Bluetooth E-Ink Module","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eESP32 E-Paper Driver Board – WiFi Bluetooth E-Ink Module\u003c\/strong\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\"\u003eBring your IoT projects to life with the ESP32 E-Paper Driver Board, a compact and efficient module designed for wireless E-Ink displays. Featuring built-in WiFi and Bluetooth 4.2, this board allows you to update content remotely without cables—perfect for electronic shelf labels, smart tags, and portable display solutions.\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\"\u003e\n\u003cstrong\u003eIntegrated ESP32 Chip\u003c\/strong\u003e\u003cbr\u003eSimplify your development process with a built-in ESP32 microcontroller supporting Arduino programming. Ideal for rapid prototyping and custom WiFi-enabled E-Paper applications.\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\u003eDual Wireless Connectivity\u003c\/strong\u003e\u003cbr\u003eIncludes both WiFi (802.11b\/g\/n) and Bluetooth 4.2 (BR\/EDR\/BLE) for flexible, wireless display updates—no wires required.\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\u003eRemote Display Control\u003c\/strong\u003e\u003cbr\u003eUpload and refresh E-Paper content through a dedicated webpage or Android app via Bluetooth EDR. Ideal for managing displays anywhere, anytime.\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\u003eCrisp Image Quality\u003c\/strong\u003e\u003cbr\u003eSupports Floyd–Steinberg dithering algorithm for smooth shading and improved contrast across black, white, and grayscale tones.\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\u003eWide Image Format Support\u003c\/strong\u003e\u003cbr\u003eWorks with BMP, JPEG, GIF, and PNG formats for maximum compatibility with various image sources.\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\u003eUltra-Low Power Consumption\u003c\/strong\u003e\u003cbr\u003eDesigned for battery-powered use with power consumption under 2mA when CP2102 is off—ideal for long-term, low-maintenance devices.\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\"\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\"\u003eModel\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eESP32 E-Paper Driver Board\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\"\u003eMain Chip\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eESP32\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\"\u003eWireless Standards\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eWiFi 802.11b\/g\/n, Bluetooth 4.2 (BR\/EDR \u0026amp; BLE)\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\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e3-wire \/ 4-wire SPI (default 4-wire)\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\"\u003e5V\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\"\u003e50mA – 150mA\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\"\u003eLow Power Current\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e\u0026lt;2mA (CP2102 off)\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\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e29.46 × 48.25 mm (1.2 × 1.9 in)\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\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eIdeal For\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\"\u003eSmart tags and electronic price labels\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIoT displays and home automation panels\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 maker projects and Arduino 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\"\u003eBattery-powered portable display systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":44644035559575,"sku":"","price":149.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ESP32-E-Paper-Driver-Board-WiFi-Module.jpg?v=1762927115"},{"product_id":"esp32-cam-module-with-ov3660-camera","title":"ESP32-CAM Module with OV3660 Wide-Angle Night Vision Camera","description":"\u003cp\u003eCapture more with the \u003cb\u003eESP32-CAM Module featuring the OV3660 Wide-Angle Camera\u003c\/b\u003e. This versatile development board is perfect for a wide range of IoT projects, offering both Wi-Fi and Bluetooth connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExpansive View:\u003c\/b\u003e The integrated OV3660 camera boasts a remarkable 115-degree wide-angle lens, allowing you to capture broader scenes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNight Vision Capable:\u003c\/b\u003e Equipped for low-light conditions, the OV3660 supports night vision mode, ensuring clear images even in the dark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeamless Integration:\u003c\/b\u003e Designed as a direct, plug-and-play replacement for the OV2640 on ESP32-CAM boards, simplifying your upgrade process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact \u0026amp; Efficient:\u003c\/b\u003e Enjoy the benefits of ultra-low power consumption and a compact design, ideal for space-constrained applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOn-Board PCB Antenna:\u003c\/b\u003e Reliable wireless communication with integrated PCB antennas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eImportant Notes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eResolution Output:\u003c\/b\u003e When used independently, the ESP32-CAM OV3660 module typically supports up to 720P resolution. Higher resolutions (2\/3\/5MP) generally require integration with other mainboards for optimal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e While it's a direct replacement for OV2640 on ESP32-CAM, integration with other microcontroller brands may require independent debugging, and technical support cannot be provided for such setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnlock the potential of your next project with this powerful and adaptable camera module!\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44868328521879,"sku":"","price":98.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ESP32CAM-OV3660-Assembled-Angle-View.jpg?v=1753726467"},{"product_id":"esp32-s3-gpio-expansion-board-44pin","title":"ESP32-S3 44-Pin GPIO Expansion Breakout Board with DC Power","description":"\u003ch4 data-start=\"607\" data-end=\"635\"\u003e🔧 \u003cstrong data-start=\"615\" data-end=\"635\"\u003eProduct Overview\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"636\" data-end=\"929\"\u003eSimplify your \u003cstrong data-start=\"650\" data-end=\"674\"\u003eESP32-S3 prototyping\u003c\/strong\u003e and \u003cstrong data-start=\"679\" data-end=\"707\"\u003eDIY electronics projects\u003c\/strong\u003e with this \u003cstrong data-start=\"718\" data-end=\"758\"\u003e44-pin GPIO Expansion Breakout Board\u003c\/strong\u003e. It provides easy access to every pin on your \u003cstrong data-start=\"805\" data-end=\"850\"\u003eESP32-S3 Development Board (WROOM-1 type)\u003c\/strong\u003e — perfect for smart home systems, IoT devices, and custom automation builds.\u003c\/p\u003e\n\u003cp data-start=\"931\" data-end=\"1042\"\u003eThis board makes it easy to \u003cstrong data-start=\"959\" data-end=\"991\"\u003eduplicate, extend, and power\u003c\/strong\u003e your ESP32-S3 connections — no soldering required!\u003c\/p\u003e\n\u003chr data-start=\"1044\" data-end=\"1047\"\u003e\n\u003ch4 data-start=\"1049\" data-end=\"1073\"\u003e⚙️ \u003cstrong data-start=\"1057\" data-end=\"1073\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1076\" data-end=\"1235\"\u003e\n\u003cstrong data-start=\"1076\" data-end=\"1099\"\u003e🔌 Pin Duplication:\u003c\/strong\u003e Each ESP32-S3 GPIO pin can be extended into two points, allowing you to connect more sensors, modules, and components simultaneously.\u003c\/li\u003e\n\u003cli data-start=\"1238\" data-end=\"1396\"\u003e\n\u003cstrong data-start=\"1238\" data-end=\"1270\"\u003e🧩 Solderless Plug-and-Play:\u003c\/strong\u003e Directly plug your \u003cstrong data-start=\"1290\" data-end=\"1327\"\u003e44-pin ESP32-S3 Development Board\u003c\/strong\u003e into the onboard socket — no soldering or special adapters needed.\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1555\"\u003e\n\u003cstrong data-start=\"1399\" data-end=\"1428\"\u003e⚡ External Power Support:\u003c\/strong\u003e Includes a \u003cstrong data-start=\"1440\" data-end=\"1466\"\u003eDC2.1 power input port\u003c\/strong\u003e (supports 6.5V–9V DC) for powering high-current modules and ensuring stable operation.\u003c\/li\u003e\n\u003cli data-start=\"1558\" data-end=\"1667\"\u003e\n\u003cstrong data-start=\"1558\" data-end=\"1584\"\u003e💡 Clear Pin Labeling:\u003c\/strong\u003e All GPIO pins are clearly marked, simplifying prototyping and circuit debugging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1669\" data-end=\"1672\"\u003e\n\u003ch4 data-start=\"1674\" data-end=\"1699\"\u003e🧠 \u003cstrong data-start=\"1682\" data-end=\"1699\"\u003eCompatibility\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1702\" data-end=\"1810\"\u003eDesigned \u003cstrong data-start=\"1711\" data-end=\"1754\"\u003especifically for 44-pin ESP32-S3 boards\u003c\/strong\u003e such as the \u003cstrong data-start=\"1767\" data-end=\"1786\"\u003eWROOM-1 Dev Kit\u003c\/strong\u003e (25.4mm pin spacing).\u003c\/li\u003e\n\u003cli data-start=\"1813\" data-end=\"1883\"\u003eCompatible with ESP32-S3 GPIO layouts following the 44-pin standard.\u003c\/li\u003e\n\u003cli data-start=\"1886\" data-end=\"1936\"\u003e⚠️ \u003cem data-start=\"1889\" data-end=\"1936\"\u003eMain ESP32-S3 development board not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1938\" data-end=\"1941\"\u003e\n\u003ch4 data-start=\"1943\" data-end=\"1967\"\u003e🧰 \u003cstrong data-start=\"1951\" data-end=\"1967\"\u003eApplications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1970\" data-end=\"2002\"\u003eSmart home automation projects\u003c\/li\u003e\n\u003cli data-start=\"2005\" data-end=\"2037\"\u003eIoT sensor network prototyping\u003c\/li\u003e\n\u003cli data-start=\"2040\" data-end=\"2070\"\u003eRobotics and control systems\u003c\/li\u003e\n\u003cli data-start=\"2073\" data-end=\"2111\"\u003eEducational or maker lab experiments\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44983855841431,"sku":"","price":65.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ESP32-S3-Breakout-Board-44pin-Dimensions-Pinout.jpg?v=1762869817"},{"product_id":"esp32-s3-development-board-7-inch-touch-lcd","title":"Waveshare ESP32-S3 7-Inch Touch LCD Development Board","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003cbr\u003eThe Waveshare ESP32-S3 7-Inch Touch LCD Development Board is a powerful and highly integrated embedded platform designed for IoT, HMI, and advanced GUI applications. Featuring a dual-core processor and large memory, it delivers exceptional performance for both computation and visual rendering tasks.\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\"\u003e\n\u003cstrong\u003eHigh-Performance Core:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePowered by the Xtensa 32‑bit LX7 dual‑core CPU running at up to 240 MHz, capable of handling demanding applications with ease.\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\u003eVivid 7-Inch Capacitive Touch Display:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith 800×480 resolution, 65K colors, and responsive 5‑point touch support, it ensures a smooth and intuitive user experience.\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\u003eComprehensive Wireless Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt‑in 2.4 GHz Wi‑Fi (802.11 b\/g\/n) and Bluetooth 5 (BLE) enable seamless IoT communication and device 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\"\u003e\n\u003cstrong\u003eAmple Memory Resources:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOn‑board 8 MB PSRAM and 8 MB Flash provide plenty of space for GUI resources and complex project data.\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\u003eRich Interface Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes CAN, RS485, I²C, UART, and TF card slot — ideal for industrial control systems and smart device 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\"\u003e\n\u003cstrong\u003eLVGL \u0026amp; HMI Ready:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFully supports LVGL open‑source GUI libraries, optimized for rapid HMI interface development and embedded display applications.\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\u003eWhy Choose This Board?\u003c\/strong\u003e\u003cbr\u003eESP32-S3‑Touch‑LCD‑7 offers an all‑in‑one solution for developers who need a reliable platform with professional‑grade hardware integration. It combines advanced processing power, high-quality graphics, and flexible connectivity to deliver a seamless user interface experience. Whether building smart home panels, industrial dashboards, or IoT terminals, this board provides stability and scalability throughout the development process.\u003c\/p\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":45211056373911,"sku":"21CU000119","price":550.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-s3-7inch-touch-lcd-development-board.jpg?v=1777557197"},{"product_id":"esp32-s3-n16r8-ai-dev-board","title":"ESP32-S3-N16R8 AI Dev Board | 16MB Flash, 8MB PSRAM, Type-C","description":"\u003cp\u003eUnlock the full potential of your IoT and AI projects with the powerful \u003cb\u003eESP32-S3-N16R8 AI Development Board\u003c\/b\u003e. This feature-rich module, equipped with a versatile \u003cb\u003eUSB Type-C interface\u003c\/b\u003e and \u003cb\u003e42 accessible pins\u003c\/b\u003e, is engineered for developers seeking high performance for edge AI, machine learning, and advanced IoT applications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful ESP32-S3 Chipset:\u003c\/b\u003e Features a dual-core LX7 processor, optimized for AI acceleration and robust IoT connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMassive Memory Capacity (N16R8):\u003c\/b\u003e Integrated \u003cb\u003e16MB Flash\u003c\/b\u003e for extensive code storage and \u003cb\u003e8MB PSRAM\u003c\/b\u003e for demanding applications like image processing, audio recognition, and complex data handling, making it ideal for on-device AI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Connectivity:\u003c\/b\u003e Built-in \u003cb\u003eWi-Fi\u003c\/b\u003e and \u003cb\u003eBluetooth 5 (LE)\u003c\/b\u003e for seamless wireless communication in your projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModern USB Type-C Interface:\u003c\/b\u003e Enjoy convenient, reversible connectivity for power and data transfer, simplifying development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtensive GPIO Options (42 Pins):\u003c\/b\u003e Provides a rich set of \u003cb\u003e42 accessible GPIO pins\u003c\/b\u003e, offering unparalleled flexibility for connecting sensors, actuators, displays, and other peripherals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAI \u0026amp; Machine Learning Ready:\u003c\/b\u003e Specifically designed with capabilities that excel in \u003cb\u003eAI applications\u003c\/b\u003e, including voice recognition, image processing, and neural network inference at the edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDeveloper-Friendly Design:\u003c\/b\u003e Compact form factor with clearly labeled pins, perfect for prototyping and integration into various projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Application Scope:\u003c\/b\u003e Ideal for smart home devices, industrial automation, robotics, wearable tech, and innovative AIoT solutions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChipset: ESP32-S3\u003c\/li\u003e\n\u003cli\u003eFlash Memory: 16MB\u003c\/li\u003e\n\u003cli\u003ePSRAM: 8MB\u003c\/li\u003e\n\u003cli\u003eWireless: 2.4 GHz Wi-Fi (802.11 b\/g\/n), Bluetooth 5 (LE)\u003c\/li\u003e\n\u003cli\u003eUSB Port: USB Type-C\u003c\/li\u003e\n\u003cli\u003eGPIO Pins: 42\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 3.3V (standard for most ESP boards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElevate your next project. Get your GOOUUU ESP32-S3-N16R8 AI Development Board today!\"\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":45675507679383,"sku":"21CU000141","price":95.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/goouuu-esp32-s3-development-board-front.jpg?v=1760432269"},{"product_id":"esp32-wifi-voice-ai-kit","title":"ESP32 Voice AI Assistant Kit | Cantonese \u0026 English Intercom","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePlug-and-Play AI Voice Assistant\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThis\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eESP32 Voice AI Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003ecomes completely pre-assembled inside a protective 3D-printed case, allowing you to experience advanced artificial intelligence without touching a soldering iron. It serves as an excellent educational tool for STEM students and hobbyists who want to explore cloud-based voice recognition and IoT (Internet of Things) integration. By simply powering on the device and following a quick Google account setup, you can instantly interact with a highly responsive AI chatbot.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTrilingual Support with OLED Display\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSmart Voice Intercom Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003enatively supports two-way conversations in Cantonese, English, and Mandarin, making it highly versatile for language learning and localized smart home control. It connects directly to the Xiaozhi AI cloud platform, which processes your voice commands with a rapid response time. The integrated OLED screen provides real-time visual feedback, displaying the AI's current status, network connection, and animated facial expressions during interactions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePortable Design with Built-in Battery\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eWeighing only 120g and measuring 42mm x 92mm x 51mm, this\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePortable AI Speaker\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eis designed for true wireless mobility. It houses an internal 18650 lithium battery that provides up to 2 hours of continuous voice interaction on a single charge. For extended programming sessions or permanent desktop placement, the device fully supports pass-through charging, allowing you to use the AI assistant continuously while it is plugged into a Type-C power source.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePro Tip from Our Technicians\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eOur Sham Shui Po technical team strongly advises monitoring the device's voice prompts regarding network stability. If the AI assistant repeatedly announces that the \"WiFi is disconnected,\" it is highly likely that the internal battery is running low and cannot sustain the wireless module's power draw; you should plug it into a Type-C charger immediately before trying to reconnect. Furthermore, please ensure your router is broadcasting a dedicated 2.4G WiFi signal, as the ESP32 chip cannot detect or connect to 5G networks.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46185223094423,"sku":null,"price":250.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-ai-voice-assistant-oled-display-hk.jpg?v=1787223918"},{"product_id":"keyes-esp32-iot-smart-home-kit-ke3050-stem-education","title":"KEYES ESP32 IoT Smart Home Kit (KE3050) - STEM Education","description":"\u003cp\u003eDive into the world of the Internet of Things (IoT) with the \u003cb\u003eKEYES ESP32 IoT Smart Home Kit\u003c\/b\u003e. This all-in-one educational kit is perfect for beginners, students, and hobbyists looking to build a fully functional, programmable smart house from scratch.\u003c\/p\u003e\n\u003cp\u003ePowered by the versatile \u003cb\u003eKEYES ESP32 Plus\u003c\/b\u003e development board (featuring WiFi and Bluetooth), this kit lets you explore real-world smart home applications. You'll learn to assemble the laser-cut wooden house and integrate a wide array of sensors and modules.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSmart Access:\u003c\/b\u003e Build a secure \u003cb\u003eRFID card reader\u003c\/b\u003e and a Morse code \"password\" system using push buttons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRemote Control:\u003c\/b\u003e Use the powerful ESP32 for \u003cb\u003eWiFi and Bluetooth APP control\u003c\/b\u003e over your smart home functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnvironmental Sensing:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRain Sensor:\u003c\/b\u003e Automatically detects rain to trigger a servo-driven window to close.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemp \u0026amp; Humidity:\u003c\/b\u003e Monitor your home's climate in real-time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Sensor:\u003c\/b\u003e Detect potential gas leaks and trigger an alarm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntelligent Automation:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePIR Motion Detection:\u003c\/b\u003e Create a motion-activated alarm or lighting system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVariable Fan:\u003c\/b\u003e Control a fan that adjusts its speed based on sensor data.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInteractive Feedback:\u003c\/b\u003e Display data on the \u003cb\u003e1602 LCD screen\u003c\/b\u003e, create colorful light shows with the \u003cb\u003eRGB LED\u003c\/b\u003e module, and play tunes or alarms with the passive buzzer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eLearn to Code in Any Style\u003c\/h4\u003e\n\u003cp\u003eThis kit is perfect for learning and growing. It's fully compatible with multiple programming environments, making it accessible for all skill levels:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eArduino C\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eMicroPython\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMixly (Scratch)\u003c\/b\u003e graphical block programming\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWhat's Included in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x KEYES ESP32 Plus Development Board\u003c\/li\u003e\n\u003cli\u003e1x Laser-Cut Wooden House Kit\u003c\/li\u003e\n\u003cli\u003e1x LCD1602 Display Screen\u003c\/li\u003e\n\u003cli\u003e1x RFID Reader Module\u003c\/li\u003e\n\u003cli\u003e1x Analog Gas Sensor\u003c\/li\u003e\n\u003cli\u003e1x PIR Motion Sensor\u003c\/li\u003e\n\u003cli\u003e1x Temp \u0026amp; Humidity Sensor\u003c\/li\u003e\n\u003cli\u003e1x Raindrop Sensor\u003c\/li\u003e\n\u003cli\u003e2x 180° Servo Motors\u003c\/li\u003e\n\u003cli\u003e1x 130 Motor Module \u0026amp; Fan Blade\u003c\/li\u003e\n\u003cli\u003e1x 6812 RGB LED Module\u003c\/li\u003e\n\u003cli\u003e1x Yellow LED Module\u003c\/li\u003e\n\u003cli\u003e1x Passive Buzzer Module\u003c\/li\u003e\n\u003cli\u003e2x Button Modules\u003c\/li\u003e\n\u003cli\u003e1x IC Card \u0026amp; 1x Keyfob\u003c\/li\u003e\n\u003cli\u003e1x Battery Box (Batteries not included)\u003c\/li\u003e\n\u003cli\u003e1x USB Type-C Cable\u003c\/li\u003e\n\u003cli\u003eAll necessary wires (3P, 4P), screws, nuts, standoffs, and tools (screwdrivers, wrench).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e KE3050\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAssembled Dimensions:\u003c\/b\u003e 184 x 135 x 176 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 447.3g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyes","offers":[{"title":"Default Title","offer_id":46250410016919,"sku":"21CU000088","price":550.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/keyes-esp32-iot-smart-home-kit-assembled.jpg?v=1762592230"},{"product_id":"keyestudio-diy-crocodile-stem-kit-for-micro-bit-esp32-ks0802","title":"Keyestudio DIY Crocodile STEM Kit for Micro:bit \u0026 ESP32 (KS0802)","description":"\u003ch4\u003e🐊 Build, Code, and Learn with the Keyestudio DIY Crocodile Kit!\u003c\/h4\u003e\n\u003cp\u003eUnleash your creativity with the \u003cb\u003eKeyestudio STEM Programming DIY Crocodile Kit (KS0802)\u003c\/b\u003e! This engaging project is the perfect hands-on introduction to the world of robotics, coding, and engineering. Assemble your own interactive crocodile from eco-friendly basswood, then bring it to life with code.\u003c\/p\u003e\n\u003cp\u003eWatch as your crocodile uses its ultrasonic \"eyes\" to detect objects in its path. When something gets too close... \u003cb\u003eCHOMP!\u003c\/b\u003e The servo-powered jaws snap shut in a fun, interactive \"bite.\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e🚀 Key Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBuild Your Own Robot:\u003c\/b\u003e Assemble a cool, animated crocodile from precision laser-cut basswood parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInteractive Biting Action:\u003c\/b\u003e Uses an ultrasonic sensor to detect objects and a servo motor to create a \"biting\" motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLearn to Code (The Easy Way):\u003c\/b\u003e Supports two popular, beginner-friendly graphical programming platforms: \u003cb\u003eMakeCode\u003c\/b\u003e and \u003cb\u003eKidsBlock3.0\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual Platform Compatibility:\u003c\/b\u003e Designed to be controlled by two of the most popular educational motherboards (sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEco-Friendly \u0026amp; Customizable:\u003c\/b\u003e Made from sustainable basswood that you can paint and decorate to make your crocodile truly unique!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cblockquote\u003e\n\u003ch4\u003e\u003cb\u003e⚠️ Important Note: Motherboard Not Included\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eTo complete this kit and bring your crocodile to life, you will need to purchase a main controller board separately. This kit is compatible with:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eMicro:bit V2\u003c\/b\u003e (Programmable with MakeCode, JavaScript, C++, MicroPython)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eESP32 Easy Coding Board\u003c\/b\u003e (Programmable with KidsBlock3.0, C++, MicroPython)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch4\u003e🧠 Develop Essential 21st-Century Skills\u003c\/h4\u003e\n\u003cp\u003eThis kit is more than just a toy; it's a complete STEM learning experience that helps develop:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePractical Ability:\u003c\/b\u003e Gain hands-on experience with assembly, wiring, and mechanics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLogic Thinking:\u003c\/b\u003e Develop problem-solving skills through block programming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntellectual Development:\u003c\/b\u003e Understand how sensors, servos, and code work together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eParent-Child Interaction:\u003c\/b\u003e A fantastic and rewarding project to build together.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e📦 What's in the Box?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Expansion Board\u003c\/li\u003e\n\u003cli\u003e1x Ultrasonic Module (HC-SR04)\u003c\/li\u003e\n\u003cli\u003e1x Servo Motor\u003c\/li\u003e\n\u003cli\u003e1x Battery Holder (Batteries not included)\u003c\/li\u003e\n\u003cli\u003e4x Basswood Sheets (Laser-cut parts)\u003c\/li\u003e\n\u003cli\u003e1x Screwdriver\u003c\/li\u003e\n\u003cli\u003e1x 4P Dupont Wire\u003c\/li\u003e\n\u003cli\u003eFull set of Screws and Nuts (M1.25, M1.4, M2, M2.5, M4)\u003c\/li\u003e\n\u003cli\u003eUser Manual \u0026amp; Tutorials (Link available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e📋 Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e KS0802\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Basswood\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAssembled Dimensions:\u003c\/b\u003e 270mm x 83mm x 127mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KEYESTUDIO","offers":[{"title":"Default Title","offer_id":46252022202519,"sku":null,"price":199.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/keyestudio-diy-crocodile-stem-kit-ks0802.jpg?v=1762592084"},{"product_id":"elecfreaks-iot-bit-wifi-expansion-board-for-micro-bit","title":"ELECFREAKS IoT:bit WiFi Expansion Board for micro:bit (ESP8266)","description":"\u003cp data-path-to-node=\"9\"\u003eUnlock the power of the Internet of Things (IoT) with the \u003cb\u003eELECFREAKS IoT:bit\u003c\/b\u003e, a powerful WiFi breakout board designed specifically for the BBC micro:bit. Powered by the ESP8266 module, this expansion board allows your micro:bit to connect to the internet, send data to the cloud, and communicate via serial ports effortlessly.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eWhether you are building a smart home system, a weather station, or a remote-controlled robot, the IoT:bit provides all the necessary ports and sensors to bring your STEM projects to life.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb\u003eReliable WiFi Connectivity:\u003c\/b\u003e Integrated ESP8266 Serial WiFi module enables stable internet communication for data uploading and remote control.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb\u003eRich Expansion Ports:\u003c\/b\u003e Extends all available micro:bit IO ports using the standard GVS (Ground, Voltage, Signal) 3-pin interface. Perfect for connecting 3V E-blocks like LEDs, servos, and photosensitive sensors.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,2,0\"\u003e\n\u003cb\u003eOn-Board RTC (Real-Time Clock):\u003c\/b\u003e Includes a DS1307 RTC and CR1220 battery holder (battery not included), allowing accurate timekeeping even when the main power is off.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,3,0\"\u003e\n\u003cb\u003eIntegrated Buzzer:\u003c\/b\u003e Built-in passive buzzer for sound effects and alarms without external wiring.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,4,0\"\u003e\n\u003cb\u003eLEGO® Compatible:\u003c\/b\u003e Designed with standard spacing holes for easy integration with LEGO® Technic bricks and structures.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,5,0\"\u003e\n\u003cb\u003eDeveloper Friendly:\u003c\/b\u003e Supports multiple programming environments including MakeCode (Block Editor), Python, and JavaScript.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"14,0,0\"\u003e\n\u003cb\u003eWiFi Module:\u003c\/b\u003e Ai-WB2-12F (ESP8266 based)\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,1,0\"\u003e\n\u003cb\u003ePower Supply:\u003c\/b\u003e USB (5V) or External\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,2,0\"\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 3.3V\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,3,0\"\u003e\n\u003cb\u003eMax Output Current:\u003c\/b\u003e 800mA\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,4,0\"\u003e\n\u003cb\u003eRTC Chip:\u003c\/b\u003e DS1307 (Requires CR1220 coin cell)\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,5,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 71mm x 63mm x 23mm\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,6,0\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 30g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb\u003eWhat's in the Box\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"16,0,0\"\u003e1x ELECFREAKS IoT:bit Expansion Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"17\"\u003e\u003ci\u003e(Note: micro:bit board and CR1220 battery are not included)\u003c\/i\u003e\u003c\/p\u003e","brand":"ELECFREAKS","offers":[{"title":"Default Title","offer_id":46292384481431,"sku":"21PS002272","price":189.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/elecfreaks-iot-bit-front-view.jpg?v=1763705566"},{"product_id":"esp32-wroom-32d-dev-board-with-0-96-oled-display-type-c-wifi-bt","title":"ESP32 WROOM-32D Dev Board with 0.96\" OLED Display \u0026 Type-C (WiFi+BT)","description":"\u003cp data-path-to-node=\"8\"\u003eElevate your IoT projects with this all-in-one ESP32 WROOM-32D Development Board. Unlike standard boards, this module integrates a crisp \u003cb\u003e0.96-inch OLED display\u003c\/b\u003e directly onto the PCB, eliminating the need for messy wiring and external screen modules. Powered by the robust ESP32 chip, it offers dual-core processing, WiFi, and Bluetooth connectivity in a compact form factor with a modern \u003cb\u003eUSB Type-C interface\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb\u003eWhy Choose This Board?\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb\u003eIntegrated Display:\u003c\/b\u003e Comes with a pre-soldered 0.96\" SSD1306 OLED (I2C), perfect for debugging or displaying sensor data instantly.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb\u003eDual Connectivity:\u003c\/b\u003e Features both 802.11b\/g\/n WiFi and Bluetooth (Classic + BLE) for versatile wireless communication.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,2,0\"\u003e\n\u003cb\u003eBattery Ready:\u003c\/b\u003e Includes a 2-pin (1.25mm) connector for 3.7V Lithium batteries, making it ideal for portable\/wearable devices.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,3,0\"\u003e\n\u003cb\u003eHigh Performance:\u003c\/b\u003e Clocked at 240MHz with 520KB SRAM and 4MB Flash, capable of handling complex tasks like voice encoding and MP3 decoding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb\u003eCore Module:\u003c\/b\u003e ESP32 WROOM-32D (Dual-Core 32-bit CPU)\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb\u003eDisplay:\u003c\/b\u003e 0.96\" OLED (Driver: SSD1306 | Interface: I2C | Addr: 0x3C)\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,1,1,0,0\"\u003e\n\u003ci\u003ePin Mapping:\u003c\/i\u003e SDA = GPIO 21, SCL = GPIO 22\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,2,0\"\u003e\n\u003cb\u003eInterface:\u003c\/b\u003e USB Type-C (for power and programming)\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,3,0\"\u003e\n\u003cb\u003eWireless:\u003c\/b\u003e WiFi (802.11 b\/g\/n) + Bluetooth 4.2 \/ BLE\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,4,0\"\u003e\n\u003cb\u003eMemory:\u003c\/b\u003e 520KB SRAM \/ 4MB (32Mbit) Flash\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,5,0\"\u003e\n\u003cb\u003ePower Input:\u003c\/b\u003e USB 5V or Vin 6-12V\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,6,0\"\u003e\n\u003cb\u003eBattery Support:\u003c\/b\u003e 3.7V Lithium Battery Interface (1.25mm pitch)\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,7,0\"\u003e\n\u003cb\u003eI\/O Pins:\u003c\/b\u003e 22 GPIOs (Supports UART, SPI, I2C, PWM, DAC, ADC)\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,8,0\"\u003e\n\u003cb\u003ePower Consumption:\u003c\/b\u003e Low power consumption (Deep sleep ~6.5uA)\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,9,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 53.2mm x 28.7mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb\u003ePackage Includes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"14,0,0\"\u003e1 x ESP32 WROOM-32D Development Board with OLED (Type-C)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46296127504535,"sku":"21CU000124","price":85.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-wifi-bluetooth-iot-board-oled.jpg?v=1763808109"},{"product_id":"ky-018-photoresistor-sensor-module","title":"KY-018 Photoresistor Sensor Module for Arduino \u0026 ESP32","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eGive Your Projects the Gift of Sight\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eIn the world of smart electronics, detecting environmental changes is key to automation. The \u003cb data-path-to-node=\"9\" data-index-in-node=\"93\"\u003eKY-018 Photoresistor Sensor Module\u003c\/b\u003e is the standard for reliable, low-cost light detection. Whether you are a STEM student learning the basics of analog signals or an engineer prototyping a smart garden system, this module provides the precision you need without the complexity.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eHow It Works\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eAt its core, this module utilizes a high-quality Light Dependent Resistor (LDR). Its internal resistance changes drastically based on the ambient light hitting the sensor head.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,0,0\"\u003e\n\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eIn Bright Light:\u003c\/b\u003e Resistance drops, allowing more current to flow (higher signal voltage).\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,1,0\"\u003e\n\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eIn Darkness:\u003c\/b\u003e Resistance increases, reducing current flow (lower signal voltage).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"12\"\u003eBy reading these analog voltage changes with a microcontroller (like an Arduino), you can program triggers—such as turning on an LED when the room gets dark.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eWhy Choose the KY-018?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eUnlike raw components that require breadboarding complex voltage dividers, the KY-018 comes pre-soldered on a durable PCB with a 10kΩ pull-down resistor included. This \"Plug-and-Play\" design saves you time and ensures a stable signal reading right out of the box.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46812902686871,"sku":"21PS001232","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ky-018-photoresistor-module-front-view.jpg?v=1768387080"},{"product_id":"keyestudio-stem-diy-piano-kit-ks0801","title":"Keyestudio STEM DIY Button Piano Kit | Micro:bit \u0026 ESP32 Coding","description":"\u003ch2 data-path-to-node=\"8\"\u003eDiscover the Joy of Coding and Music\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe \u003cb data-path-to-node=\"9\" data-index-in-node=\"4\"\u003eKeyestudio STEM DIY Button Piano Kit\u003c\/b\u003e is not just a toy; it is a comprehensive gateway into the world of programming and electronics. Designed for students, DIY hobbyists, and STEM educators, this kit bridges the gap between software logic and physical hardware. By building a functional piano from scratch, users gain a profound understanding of how digital inputs translate into real-world outputs.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eDual Mainboard Compatibility for Flexible Learning\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eAdaptability is at the core of this learning kit. Whether you prefer the ubiquitous \u003cb data-path-to-node=\"11\" data-index-in-node=\"84\"\u003emicro:bit\u003c\/b\u003e ecosystem or the robust \u003cb data-path-to-node=\"11\" data-index-in-node=\"118\"\u003eESP-32 Easy Coding Board\u003c\/b\u003e, this piano adapts to your preferred platform. This dual compatibility ensures that as your coding skills advance, your hardware can keep pace. The built-in buzzer seamlessly processes your commands to play a full musical scale (Do, Re, Mi, Fa, So, La, Si, Do), turning complex code into instant auditory feedback.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eIntuitive Visual Programming\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eSay goodbye to intimidating walls of text. This STEM piano supports intuitive, block-based programming environments like \u003cb data-path-to-node=\"13\" data-index-in-node=\"121\"\u003eMakeCode\u003c\/b\u003e and \u003cb data-path-to-node=\"13\" data-index-in-node=\"134\"\u003eKidsBlock3.0\u003c\/b\u003e. By dragging and dropping logic blocks, beginners can grasp fundamental programming concepts—like loops, conditionals, and variables—without the frustration of syntax errors. It is the perfect, frustration-free introduction to computational thinking.\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eHands-On Woodcraft Assembly\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003eTrue learning happens when you build it yourself. The structural body of the piano is constructed from high-quality \u003cb data-path-to-node=\"15\" data-index-in-node=\"116\"\u003ebasswood\u003c\/b\u003e, providing a sturdy, satisfying, and eco-friendly assembly process. Installing the 8 individual button modules and routing the jumper wires develops crucial fine motor skills and a practical understanding of basic electronic circuitry.\u003c\/p\u003e","brand":"KEYESTUDIO","offers":[{"title":"Default Title","offer_id":47405248872599,"sku":"21CU000130-PIANO","price":199.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/keyestudio-stem-diy-piano-microbit-mian.jpg?v=1773913476"},{"product_id":"nodemcu-esp8266-wifi-board-cp2102","title":"NodeMCU ESP8266 Wi-Fi Development Board (CP2102) | Smart IoT Module","description":"\u003ch2 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eTransform Your Ideas into Connected Realities\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eEntering the world of the Internet of Things (IoT) shouldn't require a master's degree in hardware engineering. Whether you are automating your home lighting, building a wireless weather station, or designing a complex sensory network, the \u003cb data-path-to-node=\"6\" data-index-in-node=\"286\"\u003eNodeMCU ESP8266\u003c\/b\u003e provides a robust, beginner-friendly foundation. Backed by a massive open-source community, you have access to limitless libraries and pre-written codes to accelerate your development.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eWhy Choose the CP2102 Version?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eNot all development boards are created equal. This specific model integrates the premium \u003cb data-path-to-node=\"7\" data-index-in-node=\"120\"\u003eSilicon Labs CP2102 chip\u003c\/b\u003e. Unlike the cheaper CH340 alternatives that often suffer from driver compatibility issues, the CP2102 ensures a stable, high-speed connection to your PC or Mac. You spend less time troubleshooting USB drivers and more time writing brilliant code.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eSeamless \"Direct Download\" Workflow\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eForget the days of holding down physical buttons to flash your firmware. This board features an auto-reset circuit, allowing for \u003cb data-path-to-node=\"9\" data-index-in-node=\"129\"\u003edirect code downloads\u003c\/b\u003e. Simply hit \"Upload\" in your Arduino IDE or Lua environment, and the board handles the rest. This streamlined workflow is essential for rapid prototyping and iterative testing.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47692344361111,"sku":"21PS001335","price":55.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp8266-nodemcu-cp2102-main.jpg?v=1776506356"},{"product_id":"esp32-s3-zero-m-dev-board","title":"ESP32-S3-Zero-M Mini Development Board with Pre-Soldered Headers","description":"\u003ch2 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003ePowerful Processing in a Micro Form Factor\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eSpace is often the biggest constraint in modern electronics design. The ESP32-S3-Zero-M solves this by condensing the formidable ESP32-FH4R2 chip into a thumb-sized board. Driven by an \u003cb data-path-to-node=\"6\" data-index-in-node=\"228\"\u003eXtensa® 32-bit LX7 dual-core processor\u003c\/b\u003e running at up to 240MHz, it provides desktop-like computational efficiency for edge computing and sensor data processing without taking up valuable carrier board real estate.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eSeamless Wireless Connectivity for IoT\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eBuilding smart, connected devices requires robust communication. This module features integrated \u003cb data-path-to-node=\"7\" data-index-in-node=\"136\"\u003e2.4GHz Wi-Fi (802.11 b\/g\/n) and Bluetooth® 5 (LE)\u003c\/b\u003e. Paired with its onboard ceramic antenna, it ensures stable, long-range signal transmission. From controlling smart home appliances to logging remote sensor data, the ESP32-S3-Zero-M keeps your devices securely connected to the cloud.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003ePre-Soldered Headers for Rapid Prototyping\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eTime is money in engineering and development. The \"M\" variant comes with \u003cb data-path-to-node=\"8\" data-index-in-node=\"116\"\u003epre-soldered pin headers\u003c\/b\u003e, eliminating tedious setup time. You can plug it straight into a breadboard or standard socket out of the box. For those looking to integrate it into a final product, the board retains its castellated hole design, allowing for direct surface-mount soldering to a custom PCB once prototyping is complete.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eFlexible Development Ecosystem\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eWe understand that different projects require different programming environments. This board natively supports \u003cb data-path-to-node=\"9\" data-index-in-node=\"142\"\u003eEspressif's ESP-IDF\u003c\/b\u003e for commercial-grade, highly optimized C\/C++ applications. For rapid prototyping and education, it is fully compatible with the \u003cb data-path-to-node=\"9\" data-index-in-node=\"290\"\u003eArduino IDE\u003c\/b\u003e and \u003cb data-path-to-node=\"9\" data-index-in-node=\"306\"\u003eMicroPython\u003c\/b\u003e, allowing you to write functional code in minutes.\u003c\/p\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":47702824779927,"sku":"21CU000091","price":79.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-s3-zero-m-development-board-front.jpg?v=1776749184"},{"product_id":"max98357a-i2s-audio-amplifier-module","title":"MAX98357A I2S Class D Audio Amplifier Module (Pre-Soldered) for ESP32","description":"\u003ch2 data-path-to-node=\"6\"\u003eElevate Your IoT Audio Experience\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eBuilding a custom smart speaker, internet radio, or interactive IoT device shouldn't require an engineering degree in audio signal processing. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"147\"\u003eMAX98357A I2S Audio Amplifier Module\u003c\/b\u003e is designed to take the digital audio straight from your microcontroller and drive a speaker directly. By keeping the audio strictly in the digital domain until the very last stage, it drastically reduces interference, static, and signal degradation, ensuring pristine sound quality for your projects.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eSeamless I2S Integration (No MCLK Required)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eOne of the biggest hurdles in digital audio is clock synchronization. This module simplifies your build by eliminating the need for a master clock (MCLK). It features an integrated PLL (Phase-Locked Loop) that automatically detects the BCLK and LRC frequencies, allowing it to seamlessly configure up to 35 different clocks and 128 digital audio formats. Simply connect the standard I2S pins (DIN, BCLK, LRC), provide power, and you are ready to play audio from your ESP32 or Raspberry Pi.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eCompact Size, Massive Output\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eDon't let the small footprint fool you. Running on a standard 5V logic supply, this filterless Class D amplifier delivers a robust \u003cb data-path-to-node=\"11\" data-index-in-node=\"131\"\u003e3.2W of power into a 4Ω speaker\u003c\/b\u003e or \u003cb data-path-to-node=\"11\" data-index-in-node=\"166\"\u003e1.8W into an 8Ω speaker\u003c\/b\u003e. The high efficiency of the Class D architecture means it generates minimal heat, making it perfect for battery-powered or tightly enclosed portable audio projects.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eBuilt for Makers and Fast Prototyping\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eTime is your most valuable asset when prototyping. We stock this module with the 7-pin header already pre-soldered, alongside a robust screw terminal for your speaker wires. Whether you are dropping it onto a breadboard for testing or wiring it permanently into a 3D-printed enclosure, it is designed for rapid deployment. Backed by Sun Cheong Computer's 20 years of trusted electronics supply, you can rely on this module for consistent, high-fidelity performance.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47720821588119,"sku":"21PS002633","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/max98357a-i2s-audio-amplifier-module-front.jpg?v=1777026105"},{"product_id":"esp32-c6-n16-development-board-wifi6-thread","title":"ESP32-C6-N16 Development Board (16MB Flash) | Dual USB-C","description":"\u003ch2 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eBuild the Future of IoT Faster and Smarter\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eAre you tired of connectivity bottlenecks in your smart home projects? The ESP32-C6-N16 is engineered to solve exactly that. As the IoT landscape evolves towards Matter and Thread protocols, relying on older hardware can leave your projects obsolete. This board brings \u003cb data-path-to-node=\"6\" data-index-in-node=\"312\"\u003edesktop-level connectivity to microcontrollers\u003c\/b\u003e, empowering developers, engineers, and DIY enthusiasts to build responsive, future-proof devices.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eSeamless Development with Dual Type-C Ports\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eWe know that messy wiring and driver issues kill productivity. That is why this board features a \u003cb data-path-to-node=\"7\" data-index-in-node=\"141\"\u003eDual USB-C design\u003c\/b\u003e. One port acts as a native USB interface for direct communication, while the other features a dedicated CH343P USB-to-TTL chip for flawless flashing and debugging. No more hunting for the right cable or struggling with boot modes—just pure, uninterrupted workflow.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eHigh-Performance Processing Meets Ultra-Low Power\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eAt the heart of the ESP32-C6 is a dual-core architecture featuring a High-Performance (HP) RISC-V 32-bit processor running at 160 MHz, paired with a Low-Power (LP) processor. Whether you are running complex edge-computing tasks or deploying battery-operated sensors that need to sleep for months, this board adapts to your exact power requirements.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eReady for Deployment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eWith pre-soldered pins, a compact footprint (46.2mm x 28mm), and onboard RGB LED for quick status checks, prototyping has never been easier. Whether you are scaling an enterprise sensor network or building a custom smart home hub, the ESP32-C6-N16 delivers the stability and performance you need.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47722465919127,"sku":"21CU000170","price":55.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-c6-n16-development-board-top.jpg?v=1777094216"},{"product_id":"esp32-c3-supermini-expansion-board","title":"ESP32-C3 SuperMini Expansion Board | Mini IoT Breakout Module \u0026 Shield","description":"\u003ch2 data-path-to-node=\"6\"\u003eSimplify Your IoT Prototyping\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eBuilding smart home devices or robotic projects shouldn't be hampered by tangled jumper wires and unreliable breadboard connections. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"137\"\u003eESP32-C3 SuperMini Expansion Board\u003c\/b\u003e is precision-engineered to solve the hardware bottleneck in mini IoT development. By breaking out all crucial GPIO pins into a sturdy, organized layout, this board bridges the gap between a fragile microcontroller and a robust, production-ready prototype.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003ePurpose-Built for the ESP32-C3 SuperMini\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe ESP32-C3 SuperMini is loved for its microscopic footprint, but that small size can make wiring a nightmare. This expansion shield acts as the perfect companion. It breaks out every pin to \u003cb data-path-to-node=\"9\" data-index-in-node=\"192\"\u003estandard 2.54mm pitch headers\u003c\/b\u003e, allowing you to seamlessly connect sensors, relays, and displays without soldering directly to the delicate mainboard.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eReliable Power \u0026amp; Instant Visual Feedback\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003ePower drops can cause erratic microcontroller behavior. This development board tackles that by providing \u003cb data-path-to-node=\"11\" data-index-in-node=\"105\"\u003estable 5V and 3.3V power output options\u003c\/b\u003e, alongside safe USB power input processing. Furthermore, the \u003cb data-path-to-node=\"11\" data-index-in-node=\"206\"\u003ebuilt-in power and GPIO status LEDs\u003c\/b\u003e give you an immediate visual cue of your board's activity, drastically cutting down your troubleshooting time.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47737726992535,"sku":"21PS002620","price":20.0,"currency_code":"HKD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-c3-supermini-expansion-board-top.jpg?v=1777547802"},{"product_id":"makeblock-halocode-single-board-computer-esp32-wifi","title":"Makeblock Halocode Single Board Computer | ESP32 Wi-Fi \u0026 Bluetooth","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eEmpowering the Next Generation of Coders\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eMakeblock Halocode\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eis not just a circuit board; it is a gateway to the world of programming, AI, and the Internet of Things (IoT). Designed specifically for beginners and STEM educators, this highly compact single-board computer packs an incredible amount of technology into a coin-sized 45mm footprint. Whether you are building a wearable step-tracker or a smart home prototype, the Halocode brings your digital code to life in the physical world.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBuilt-in Sensors for Endless Creativity\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eForget about messy wiring and complicated breadboards. The Halocode comes pre-integrated with a rich array of electronic modules. It features\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e12 programmable RGB LEDs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003efor dazzling light displays, a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003emotion sensor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eto detect tilt and acceleration, a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003emicrophone\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003efor voice recognition, and\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e4 touch sensors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003ethat double as I\/O extension pins. Your projects can instantly respond to touch, sound, and movement right out of the box.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSeamless AI \u0026amp; IoT Integration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePowered by the robust\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eESP32 dual-core processor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, the Halocode features built-in Wi-Fi and Bluetooth. When paired with the block-based programming software\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003emBlock 5\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, students can experience cutting-edge technology with just a few clicks. Create IoT applications like remote-controlled home appliances, or dive into Artificial Intelligence by programming the board to perform real-time speech recognition.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eFrom Scratch to Python in One Click\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eLearning to code has never been smoother. The mBlock 5 software is developed based on\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eScratch 3.0\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, allowing kids to program by simply dragging and dropping color-coded blocks. Once they master the basics, they can switch to\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003etext-based Python coding\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003ewith a single click. This seamless transition ensures the Halocode grows with the student's programming skills.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e💡 Pro Tip from Our Technicians\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\"Please note that this package includes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003eHalocode motherboard only\u003c\/strong\u003e. To power it up for wearable projects, you will need a Micro USB cable or an external AAA battery pack with a JST connector. If you are a parent or teacher looking to build a specific STEM project—like a smart greenhouse or fire alarm using the 60+ compatible expansion parts—drop by our Sham Shui Po store! Our team at Sun Cheong Computer Co. Ltd. will help you select the exact sensors and power supplies you need to make your project a success.\"\u003c\/span\u003e\u003c\/p\u003e","brand":"Makeblock","offers":[{"title":"Default Title","offer_id":47882371334295,"sku":"21CU000019","price":339.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/makeblock-halocode-programmable-single-board-computer.jpg?v=1781091810"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/collections\/esp32-c6-n16-development-board-angle.jpg?v=1787840793","url":"https:\/\/scccltd.com\/en-tw\/collections\/esp32.oembed?page=3","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}