{"title":"Communication Modules","description":"\u003ch2 data-path-to-node=\"6\"\u003eEssential Communication Modules for Arduino Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eUnlock the full potential of your DIY electronics and IoT applications with our comprehensive range of communication modules. Whether you are building a smart home system, a robotics project, or an industrial sensor network, integrating the right wireless or wired protocol into your Arduino setup is crucial for seamless and stable data transmission.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eKey Protocols and Features\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eWe provide a wide variety of hardware solutions to meet different connectivity standards and project bandwidth requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003eWireless Connectivity:\u003c\/b\u003e Easily add wireless capabilities using Bluetooth (HC-05\/HC-06), Wi-Fi, and 433MHz RF transceiver modules. These are perfect for remote control, telemetry, and low-power data logging.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003eWired \u0026amp; Serial Interfaces:\u003c\/b\u003e Ensure stable data transfer with our USB to TTL, RS232, RS485, and CAN Bus adapters. These modules are specifically designed for robust communication in noisy or demanding industrial environments.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0\"\u003eIoT \u0026amp; Networking:\u003c\/b\u003e Connect your Arduino directly to the internet using Ethernet development boards (such as the W5100 module) to achieve real-time remote monitoring and server communication.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,3,0\"\u003eRFID \u0026amp; NFC Systems:\u003c\/b\u003e Implement secure access control and smart identification protocols with our 13.56MHz MFRC-522 and 125KHz RFID reader kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eHow to Choose the Right Communication Module?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eSelecting the correct module depends entirely on your project's specific range, power consumption, and data speed needs. For short-range device pairing, a standard Bluetooth module is the most cost-effective choice. However, if your architecture requires long-distance, stable communication across multiple nodes, we highly recommend utilizing RS485 or CAN Bus solutions. Explore our hardware selection to find the reliable components tailored to your engineering requirements.\u003c\/p\u003e","products":[{"product_id":"z-tek-zy099-rs232-ttl-converter","title":"Z-TEK ZY099 RS232 to TTL (5V) Converter | Driver-Free Serial Adapter","description":"\u003ch2 data-path-to-node=\"6\"\u003eSeamless Serial Communication for Your Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eInterfacing legacy hardware with modern 5V logic systems doesn't have to be a headache. Whether you are troubleshooting industrial PLC systems, setting up CCTV telemetry, or building custom STEM projects, the \u003cb data-path-to-node=\"7\" data-index-in-node=\"209\"\u003eZ-TEK ZY099 RS232 to TTL Converter\u003c\/b\u003e provides a rock-solid bridge between standard RS232 and TTL components.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eBuilt for Engineering \u0026amp; DIY Accuracy\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eWe understand that unreliable connections lead to wasted hours of debugging. This converter strictly complies with TIA\/EIA RS-232 and TTL standards, ensuring that your data packets arrive cleanly without voltage mismatch errors. It is an essential tool for communicating with development boards like Arduino, Raspberry Pi, and other electronic modules.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eIntelligent Auto-Detection \u0026amp; Easy Wiring\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eForget about configuring complex COM port settings. The Z-TEK ZY099 features an intelligent auto-detect function for baud rates ranging from \u003cb data-path-to-node=\"11\" data-index-in-node=\"141\"\u003e300bps to 115.2kbps\u003c\/b\u003e. Just plug it in, and it syncs with your equipment's speed. Furthermore, the included DB9 to 3-pin terminal block adapter means you can secure bare wires directly to the adapter with a simple screwdriver—no soldering required.\u003c\/p\u003e","brand":"Z-TEK","offers":[{"title":"Default Title","offer_id":35579432992919,"sku":"21AR000319","price":79.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/z-tek-zy099-rs232-to-ttl-converter-adapter.jpg?v=1776141967"},{"product_id":"rc522-rfid-s50-card-module-for-arduino","title":"MFRC-522 RC522 13.56MHz RFID Reader Module Kit for Arduino","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe MFRC-522 RC522 13.56MHz RFID Reader Module Kit is a complete solution for building RFID-based access control, authentication, or smart identification projects. Designed for students, developers, and electronics hobbyists, this kit offers everything you need to start integrating contactless RFID functionality into your devices.\u003c\/p\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e13.56MHz high-frequency RFID for stable, non-contact communication.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePowered by the NXP RC522 chip, known for low-cost, low-voltage operation and high integration.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSupports SPI communication for easy MCU interfacing with Arduino UNO, MEGA2560, and other boards.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFully compatible with MIFARE 1 S50, S70, UltraLight, Pro, and Desfire card types.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIncludes an S50 blank card, keychain fob, and pin headers for instant prototyping.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact 40×60mm module fits easily into embedded designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eProduct Description\u003c\/h4\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe MFRC-522 RC522 RFID Module Kit is engineered for users who need a reliable RFID reader\/writer for 13.56MHz contactless applications. Built around the NXP MFRC522 chip, it supports ISO14443A protocol and employs advanced modulation and demodulation for smooth communication. The module allows two-way data transfer up to 424 kbit\/s and communicates via SPI for efficient wiring and integration.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis kit is ideal for RFID-based projects such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAccess control systems\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDoor lock automation\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTime attendance recording\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSmart card identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWith all core components included, this kit offers a simple yet powerful platform for RFID experimentation and development.\u003c\/p\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cdiv class=\"group relative\"\u003e\n\u003cdiv class=\"w-full overflow-x-auto md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-transparent\"\u003e\n\u003ctable class=\"border-subtler my-[1em] w-full table-auto border-separate border-spacing-0 border-l border-t\"\u003e\n\u003cthead class=\"bg-subtler\"\u003e\n\u003ctr\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"border-subtler p-sm break-normal border-b border-r text-left align-top\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e13.56MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eISO14443A, MIFARE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eInterface\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eDC 3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Current\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e13–26mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSleep Current\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e\u0026lt;80μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eSupported Card Types\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eMIFARE 1 S50, S70, UltraLight, Pro, Desfire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e40mm × 60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003e-20°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eData Transfer Rate\u003c\/td\u003e\n\u003ctd class=\"px-sm border-subtler min-w-[48px] break-normal border-b border-r\"\u003eMax. 10Mbit\/s (SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bg-base border-subtler shadow-subtle pointer-coarse:opacity-100 right-xs absolute bottom-0 flex rounded-lg border opacity-0 transition-opacity group-hover:opacity-100 [\u0026amp;\u0026gt;*:not(:first-child)]:border-subtle [\u0026amp;\u0026gt;*:not(:first-child)]:border-l\"\u003e\n\u003cdiv class=\"flex\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"flex\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"bg-subtle h-px border-0\"\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003ePackage Contents\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × RFID-RC522 Module\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × S50 Blank IC Card\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Keychain Fob Card\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Straight Pin Header\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Curved Pin Header\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":37869635010711,"sku":"21PS001441","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/RC522-RFID-Kit-Card-Keychain-Fob.jpg?v=1762591268"},{"product_id":"hc-05-wireless-module-for-arduino","title":"HC-05 Bluetooth Serial Module for Arduino \/ MCU","description":"\u003cp\u003eThe \u003cb\u003eHC-05 Bluetooth Module\u003c\/b\u003e is a powerful wireless serial communication solution designed for \u003cb\u003eArduino\u003c\/b\u003e, microcontrollers (MCUs), and a wide range of embedded projects. This module is compliant with the Bluetooth V2.0 + EDR (Enhanced Data Rate) protocol, providing stable and reliable wireless data transmission. It can be configured in either \u003cb\u003emaster or slave mode\u003c\/b\u003e, allowing you to easily establish point-to-point connections between devices. Whether you're building a remote-controlled robot, a wireless sensor network, or connecting a PC to your electronic projects, the HC-05 is the perfect choice.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaster\/Slave Configurable:\u003c\/b\u003e Easily switch between master and slave modes using AT commands for versatile communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Voltage Range:\u003c\/b\u003e Operates from 3.3V to 5V, making it fully compatible with popular development boards like Arduino.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Speed Transmission:\u003c\/b\u003e Supports data transfer rates up to 3Mbps for fast and stable communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProgrammable Baud Rate:\u003c\/b\u003e The UART interface baud rate is customizable, with a default of 9600.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlug \u0026amp; Play:\u003c\/b\u003e Features a built-in LED indicator to easily check pairing and connection status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Antenna:\u003c\/b\u003e Equipped with an efficient built-in antenna for excellent wireless signal strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Size:\u003c\/b\u003e The core module measures just 28mm x 15mm, perfect for integration into tight project spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRobotics \u0026amp; RC Cars:\u003c\/b\u003e Wirelessly control your DIY projects using a smartphone or PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSmart Home Systems:\u003c\/b\u003e Create a wireless sensor network for remote monitoring of appliances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternet of Things (IoT):\u003c\/b\u003e Use in GPS navigation systems, utility meter reading systems, and other IoT applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWireless Data Transfer:\u003c\/b\u003e A perfect replacement for traditional wired serial ports, enabling wireless connections between MCUs, PCs, and PDAs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38246143557783,"sku":"21PS001211","price":48.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-05-bluetooth-master-slave-module-with-baseboard.jpg?v=1757148630"},{"product_id":"wireless-module-with-antenna-1000-meters-long-distance","title":"NRF24L01+PA+LNA 2.4GHz Wireless Transceiver Module with Antenna","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBreak the Distance Barrier in Your IoT Projects\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eStandard wireless modules often struggle with signal drops and limited range, ruining the reliability of your custom builds. The\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eNRF24L01+PA+LNA Wireless Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003esolves this by integrating advanced signal amplification. Whether you are building a long-range drone controller, a smart grid sensor network, or an industrial IoT monitoring system, this module ensures your data packets reach their destination flawlessly—even at distances up to 1100 meters in open spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePowerful Amplification with PA + LNA\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eWhat sets this module apart from standard NRF24L01 boards is the dedicated RFX2401C chip, which includes a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePower Amplifier (PA)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eand a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eLow Noise Amplifier (LNA)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e. The PA boosts the transmission output up to +20 dBm, while the LNA enhances the receiver sensitivity (up to -104dBm at 250kbps) and filters out background noise. Combined with the included\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e2dBi SMA antenna\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, you get a rock-solid, bi-directional communication link that penetrates obstacles better than ever before.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eUltra-Low Power for Battery-Operated Devices\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHigh performance doesn't have to mean high power consumption. Designed for modern smart home and wearable tech applications, this transceiver is incredibly energy efficient. It operates on a low\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e3.0V to 3.6V logic\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eand features a power-down standby mode that draws a mere\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e4.2uA\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e. This makes it perfectly suited for battery-powered sensor nodes that need to run for months or even years without maintenance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39377748787351,"sku":"21PS001366","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/nrf24l01-pa-lna-wireless-module-with-antenna.jpg?v=1779859394"},{"product_id":"hc-08-bluetooth-sensor-module","title":"HC-08 Bluetooth 4.0 BLE Serial UART Module","description":"\u003cp\u003eEasily add powerful and efficient wireless communication to your next project with the \u003cb\u003eHC-08 Bluetooth 4.0 BLE Module\u003c\/b\u003e. This module is perfect for hobbyists and professionals alike, offering a simple way to connect your microcontroller (like an Arduino, ESP32, or Raspberry Pi) to a smartphone, computer, or another HC-08 module.\u003c\/p\u003e\n\u003cp\u003eBased on the Bluetooth 4.0 BLE (Bluetooth Low Energy) standard, it provides a stable connection over a long distance while consuming minimal power, making it ideal for battery-powered applications such as IoT devices, wearables, and remote sensors. The straightforward UART serial interface allows for quick integration into your existing projects with minimal coding.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBluetooth 4.0 BLE Technology:\u003c\/b\u003e Utilizes the low-energy standard for power-efficient wireless data transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong Transmission Range:\u003c\/b\u003e Capable of communicating up to \u003cb\u003e80 meters\u003c\/b\u003e in an open environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimple UART Interface:\u003c\/b\u003e Easily communicates with virtually any microcontroller using standard serial (TX\/RX) pins at a 3.3V TTL level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUltra-Low Power Consumption:\u003c\/b\u003e With a sleep current of just \u003cb\u003e0.4µA\u003c\/b\u003e, it's perfect for long-lasting battery-powered projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Onboard Antenna:\u003c\/b\u003e The built-in PCB antenna provides excellent performance without the need for external components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Size:\u003c\/b\u003e The small form factor allows for easy integration into space-constrained designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003ePotential Applications:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInternet of Things (IoT) devices\u003c\/li\u003e\n\u003cli\u003eRemote control systems\u003c\/li\u003e\n\u003cli\u003eWireless data logging and acquisition\u003c\/li\u003e\n\u003cli\u003eWearable technology\u003c\/li\u003e\n\u003cli\u003eHome automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e HC-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Frequency:\u003c\/b\u003e 2.4GHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCommunication Interface:\u003c\/b\u003e UART (3.3V TTL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorking Voltage:\u003c\/b\u003e 2.0V - 3.6V (Module only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTransmission Distance:\u003c\/b\u003e Up to 80 meters (open space)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTransmit Power:\u003c\/b\u003e +4dBm (Max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReceiver Sensitivity:\u003c\/b\u003e -93dBm @ 1Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAir Data Rate:\u003c\/b\u003e 1Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCurrents:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eTransmit: 31.6mA\u003c\/li\u003e\n\u003cli\u003eReceive: 15.8mA\u003c\/li\u003e\n\u003cli\u003eSleep Mode: 0.4µA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModule Size:\u003c\/b\u003e 26.9mm x 13mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eBreakout Board Pinout:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSTATE:\u003c\/b\u003e Connection status output (Low when not connected, High when connected)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRXD:\u003c\/b\u003e Serial Data Receive (Connect to microcontroller's TX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTXD:\u003c\/b\u003e Serial Data Transmit (Connect to microcontroller's RX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGND:\u003c\/b\u003e Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVCC:\u003c\/b\u003e Power Supply (The breakout board supports 3.2V - 6V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKEY:\u003c\/b\u003e Used to enter AT command mode (Pull HIGH before powering on)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39628041748631,"sku":"","price":59.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-08-bluetooth-4-ble-uart-module.jpg?v=1755784079"},{"product_id":"hc-06-bluetooth-module","title":"HC-06 Slave Bluetooth Serial Transceiver Module for Arduino","description":"\u003cp\u003eEffortlessly add wireless capabilities to your electronics projects with the HC-06 Bluetooth to Serial Module. Designed for simplicity and reliability, this module acts as a transparent wireless serial connection, making it incredibly easy to send and receive data from your Arduino, microcontroller (MCU), or PC without writing complex Bluetooth code.\u003c\/p\u003e\n\u003cp\u003ePerfect for robotics, remote control systems, and wireless data logging, the HC-06 is the go-to choice for hobbyists and professionals looking for a straightforward wireless solution.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePlug-and-Play Serial Communication:\u003c\/b\u003e Once paired, the module functions as a full-duplex serial port, allowing for transparent data transmission without needing to understand any Bluetooth protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad MCU Compatibility:\u003c\/b\u003e The 3.3V interface level and onboard voltage regulator allow for direct connection to both 3.3V and 5V microcontrollers like Arduino UNO, Mega, Nano, PIC, AVR, and ARM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConfigurable Settings:\u003c\/b\u003e Use simple AT commands to customize the device name, pairing PIN code, and baud rate before a connection is established. Your settings are saved even after powering off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStable Wireless Connection:\u003c\/b\u003e Provides a reliable RF wireless connection with a signal coverage of up to 10 meters (30 feet).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOnboard Status Indicator:\u003c\/b\u003e Includes an LED status output pin that allows your microcontroller to easily determine the Bluetooth connection status.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e HC-06 (Slave Mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage:\u003c\/b\u003e 3.6V – 6V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Logic Level:\u003c\/b\u003e 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Current:\u003c\/b\u003e ~30mA (unpaired), ~10mA (paired)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCommunication Interface:\u003c\/b\u003e UART (VCC, GND, TXD, RXD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDefault Baud Rate:\u003c\/b\u003e 9600, 8, 1, n (8 data bits, 1 stop bit, no parity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSignal Range:\u003c\/b\u003e Up to 10 meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 3.57cm x 1.52cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eImportant Note:\u003c\/b\u003e For communication, remember to cross-connect the pins: The module's TXD (Transmit) pin connects to your microcontroller's RXD (Receive) pin, and the module's RXD pin connects to your microcontroller's TXD pin.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x HC-06 Bluetooth Serial Transceiver Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40353652834455,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/hc-06-bluetooth-module-component.jpg?v=1755179330"},{"product_id":"ch340g-rs232-to-ttl-module","title":"CH340 USB to TTL Serial Adapter Module (3.3V\/5V)","description":"\u003cp\u003e\u003cspan\u003eEffortlessly connect your microcontroller projects to your computer with our reliable CH340 USB to TTL Serial Adapter.\u003c\/span\u003e\u003cspan\u003e This compact module is the perfect tool for programming Arduino Pro Mini,\u003c\/span\u003e\u003cspan\u003e ESP8266\/ESP32 modules,\u003c\/span\u003e\u003cspan\u003e unbricking routers,\u003c\/span\u003e\u003cspan\u003e or communicating with any TTL serial device directly from a USB port.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBased on the stable CH340G chip,\u003c\/span\u003e\u003cspan\u003e this adapter avoids the common driver and compatibility issues found in older chips like the PL2303,\u003c\/span\u003e\u003cspan\u003e ensuring a smooth plug-and-play experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eReliable CH340G Chip:\u003c\/b\u003e\u003cspan\u003e Utilizes the industry-proven CH340G IC,\u003c\/span\u003e\u003cspan\u003e ensuring stable performance and broad compatibility across different computers and operating systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eSelectable Logic Levels:\u003c\/b\u003e\u003cspan\u003e Easily switch between \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e3.3\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e5\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e power and logic levels using the onboard jumper.\u003c\/span\u003e\u003cspan\u003e This makes it versatile enough to work with a wide range of microcontrollers and peripherals.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eOn-board Status LEDs:\u003c\/b\u003e\u003cspan\u003e Features Power (PWR),\u003c\/span\u003e\u003cspan\u003e Transmit (TXD),\u003c\/span\u003e\u003cspan\u003e and Receive (RXD) LEDs,\u003c\/span\u003e\u003cspan\u003e allowing you to visually monitor the module's status and data activity at a glance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eHigh-Quality Construction:\u003c\/b\u003e\u003cspan\u003e Built with a gold-plated USB connector and durable yellow pin headers for a solid connection and long-lasting use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eBroad OS Compatibility:\u003c\/b\u003e\u003cspan\u003e Offers seamless driver support for modern operating systems including Windows (7\/8\/10\/11),\u003c\/span\u003e\u003cspan\u003e macOS,\u003c\/span\u003e\u003cspan\u003e and Linux.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eCommon Applications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eProgramming Arduino boards (Pro Mini,\u003c\/span\u003e\u003cspan\u003e LilyPad)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommunicating with ESP8266 and ESP32 Wi-Fi modules\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial communication with Raspberry Pi\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConfiguring or unbricking routers and other networking hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral-purpose serial communication for debugging electronics projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003ePinout:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003e5V:\u003c\/b\u003e\u003cspan\u003e Provides \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e5\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e output from the USB port.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eVCC:\u003c\/b\u003e\u003cspan\u003e Power output,\u003c\/span\u003e\u003cspan\u003e connected to either \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e3.3\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e5\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e based on the jumper setting.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003e3V3:\u003c\/b\u003e\u003cspan\u003e Provides \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e3.3\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e output.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eTXD:\u003c\/b\u003e\u003cspan\u003e Transmit Data.\u003c\/span\u003e\u003cspan\u003e Connect to the RX pin of your microcontroller.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eRXD:\u003c\/b\u003e\u003cspan\u003e Receive Data.\u003c\/span\u003e\u003cspan\u003e Connect to the TX pin of your microcontroller.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eGND:\u003c\/b\u003e\u003cspan\u003e Common Ground.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003e(RTS \u0026amp; CTS):\u003c\/b\u003e\u003cspan\u003e Pins available for hardware flow control if needed.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWhat's Included:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 x CH340G USB to TTL Serial Adapter Module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 x 4-Pin Female-to-Female Jumper Wire Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eDriver Download:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf your system does not automatically install the driver,\u003c\/span\u003e\u003cspan\u003e you can download it from the official WCH website:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"Effortlessly%20connect%20your%20microcontroller%20projects%20to%20your%20computer%20with%20our%20reliable%20CH340%20USB%20to%20TTL%20Serial%20Adapter.%20This%20compact%20module%20is%20the%20perfect%20tool%20for%20programming%20Arduino%20Pro%20Mini,%20ESP8266\/ESP32%20modules,%20unbricking%20routers,%20or%20communicating%20with%20any%20TTL%20serial%20device%20directly%20from%20a%20USB%20port.%20%20Based%20on%20the%20stable%20CH340G%20chip,%20this%20adapter%20avoids%20the%20common%20driver%20and%20compatibility%20issues%20found%20in%20older%20chips%20like%20the%20PL2303,%20ensuring%20a%20smooth%20plug-and-play%20experience.%20%20Key%20Features:%20%20Reliable%20CH340G%20Chip:%20Utilizes%20the%20industry-proven%20CH340G%20IC,%20ensuring%20stable%20performance%20and%20broad%20compatibility%20across%20different%20computers%20and%20operating%20systems.%20%20Selectable%20Logic%20Levels:%20Easily%20switch%20between%203.3V%20and%205V%20power%20and%20logic%20levels%20using%20the%20onboard%20jumper.%20This%20makes%20it%20versatile%20enough%20to%20work%20with%20a%20wide%20range%20of%20microcontrollers%20and%20peripherals.%20%20On-board%20Status%20LEDs:%20Features%20Power%20(PWR),%20Transmit%20(TXD),%20and%20Receive%20(RXD)%20LEDs,%20allowing%20you%20to%20visually%20monitor%20the%20module's%20status%20and%20data%20activity%20at%20a%20glance.%20%20High-Quality%20Construction:%20Built%20with%20a%20gold-plated%20USB%20connector%20and%20durable%20yellow%20pin%20headers%20for%20a%20solid%20connection%20and%20long-lasting%20use.%20%20Broad%20OS%20Compatibility:%20Offers%20seamless%20driver%20support%20for%20modern%20operating%20systems%20including%20Windows%20(7\/8\/10\/11),%20macOS,%20and%20Linux.%20%20Common%20Applications:%20%20Programming%20Arduino%20boards%20(Pro%20Mini,%20LilyPad)%20%20Communicating%20with%20ESP8266%20and%20ESP32%20Wi-Fi%20modules%20%20Serial%20communication%20with%20Raspberry%20Pi%20%20Configuring%20or%20unbricking%20routers%20and%20other%20networking%20hardware%20%20General-purpose%20serial%20communication%20for%20debugging%20electronics%20projects%20%20Pinout:%20%205V:%20Provides%205V%20output%20from%20the%20USB%20port.%20%20VCC:%20Power%20output,%20connected%20to%20either%203.3V%20or%205V%20based%20on%20the%20jumper%20setting.%20%203V3:%20Provides%203.3V%20output.%20%20TXD:%20Transmit%20Data.%20Connect%20to%20the%20RX%20pin%20of%20your%20microcontroller.%20%20RXD:%20Receive%20Data.%20Connect%20to%20the%20TX%20pin%20of%20your%20microcontroller.%20%20GND:%20Common%20Ground.%20%20(RTS%20\u0026amp;%20CTS):%20Pins%20available%20for%20hardware%20flow%20control%20if%20needed.%20%20What's%20Included:%20%201%20x%20CH340G%20USB%20to%20TTL%20Serial%20Adapter%20Module%20%201%20x%204-Pin%20Female-to-Female%20Jumper%20Wire%20Cable%20%20Driver%20Download:%20%20If%20your%20system%20does%20not%20automatically%20install%20the%20driver,%20you%20can%20download%20it%20from%20the%20official%20WCH%20website:%20http:\/\/www.wch-ic.com\/downloads\/file\/177.html\"\u003e\u003ccode class=\"\"\u003ehttp:\/\/www.wch-ic.com\/downloads\/file\/177.html\u003c\/code\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40411308884119,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/CH340-USB-to-TTL-Serial-Adapter-Main.jpg?v=1757669266"},{"product_id":"ft232rl-fdti-usb-to-ttl-serial-module","title":"FT232RL USB to TTL Serial Adapter Module | Type-C \u0026 Mini USB","description":"\u003ch2 data-path-to-node=\"8\"\u003eThe Reliable Bridge for Your Hardware Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eIf you’ve ever dealt with cheap, clone serial adapters that randomly drop connections or brick your operating system with driver errors, you know the frustration. Your time should be spent coding and building, not troubleshooting USB drivers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eThe \u003cb data-path-to-node=\"10\" data-index-in-node=\"4\"\u003eFT232RL USB to TTL Serial Adapter Module\u003c\/b\u003e is engineered to solve exactly that problem. Powered by the industry-standard FTDI FT232RL chip, this module guarantees plug-and-play reliability across Windows, Mac, and Linux environments.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eSeamless Communication, Visual Feedback\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eDebugging is hard enough without having to guess if data is actually transmitting. That’s why this module features integrated \u003cb data-path-to-node=\"12\" data-index-in-node=\"126\"\u003eRXD and TXD LED indicators\u003c\/b\u003e. You get immediate, real-time visual feedback the moment data flows between your PC and your target board.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eBuilt for Versatility and Extreme Conditions\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eWhether you are reviving a bricked router, programming an Arduino Pro Mini, or interfacing with industrial sensors, this adapter adapts to your needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eDual Voltage Ready:\u003c\/b\u003e Easily switch between \u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"42\"\u003e3.3V and 5V\u003c\/b\u003e logic levels to match your microcontroller safely.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eInterface Options:\u003c\/b\u003e Choose the future-proof \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"43\"\u003eType-C\u003c\/b\u003e port for modern laptops or the classic \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"89\"\u003eMini USB\u003c\/b\u003e for legacy setups.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eIndustrial Grade Durability:\u003c\/b\u003e Built with high-quality components, this board can withstand extreme temperatures up to \u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"117\"\u003e105°C\u003c\/b\u003e, making it safe for enclosed or high-heat industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Type-c","offer_id":47415311007895,"sku":"21LN000348-TYPEC","price":35.0,"currency_code":"HKD","in_stock":true},{"title":"USB Mini","offer_id":47415311040663,"sku":"21LN000348-MINIUSB","price":28.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/FT232RL-USB-TTL-Adapter-Arduino-Angle.jpg?v=1755180405"},{"product_id":"2262-2272-4-channel-wireless-remote-control-module","title":"IC 2262\/2272 4-Channel 433 MHz RF Remote Control \u0026 Receiver Kit (M4)","description":"\u003ch4 data-start=\"911\" data-end=\"949\"\u003e\u003cstrong data-start=\"915\" data-end=\"949\"\u003e✨ Wireless Control Made Simple\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"951\" data-end=\"1276\"\u003eBring effortless wireless control to your electronics projects with this \u003cstrong data-start=\"1024\" data-end=\"1090\"\u003eIC 2262\/2272 4-Channel RF Remote Control Kit (M4 Non-Latching)\u003c\/strong\u003e.\u003cbr data-start=\"1091\" data-end=\"1094\"\u003eDesigned for \u003cstrong data-start=\"1107\" data-end=\"1118\"\u003eArduino\u003c\/strong\u003e, \u003cstrong data-start=\"1120\" data-end=\"1143\"\u003eDIY home automation\u003c\/strong\u003e, \u003cstrong data-start=\"1145\" data-end=\"1165\"\u003esecurity systems\u003c\/strong\u003e, and \u003cstrong data-start=\"1171\" data-end=\"1191\"\u003eremote switching\u003c\/strong\u003e, this module pair lets you activate multiple devices over a stable \u003cstrong data-start=\"1259\" data-end=\"1270\"\u003e433 MHz\u003c\/strong\u003e link.\u003c\/p\u003e\n\u003chr data-start=\"1278\" data-end=\"1281\"\u003e\n\u003ch4 data-start=\"1283\" data-end=\"1306\"\u003e⚙️ \u003cstrong data-start=\"1290\" data-end=\"1306\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"1308\" data-end=\"1912\"\u003e✅ \u003cstrong data-start=\"1310\" data-end=\"1333\"\u003e4-Channel Operation\u003c\/strong\u003e – Each button (A–D) on the transmitter controls one data output (D0–D3) on the receiver board.\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e✅ \u003cstrong data-start=\"1433\" data-end=\"1456\"\u003eMomentary (M4) Mode\u003c\/strong\u003e – Output stays HIGH only while a button is pressed; perfect for temporary actions like unlocking a door or triggering a relay.\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e✅ \u003cstrong data-start=\"1588\" data-end=\"1610\"\u003eFixed Code Pairing\u003c\/strong\u003e – Uses solder-pad encoding for stable, interference-free communication.\u003cbr data-start=\"1682\" data-end=\"1685\"\u003e✅ \u003cstrong data-start=\"1687\" data-end=\"1710\"\u003ePlug-and-Play Setup\u003c\/strong\u003e – Simple 7-pin receiver layout for easy connection to Arduino, relay modules, or custom circuits.\u003cbr data-start=\"1808\" data-end=\"1811\"\u003e✅ \u003cstrong data-start=\"1813\" data-end=\"1852\"\u003eLong-Range Superheterodyne Receiver\u003c\/strong\u003e – Stable reception from 10 – 50 m in open field conditions.\u003c\/p\u003e\n\u003chr data-start=\"1914\" data-end=\"1917\"\u003e\n\u003ch4 data-start=\"1919\" data-end=\"1954\"\u003e📋 \u003cstrong data-start=\"1926\" data-end=\"1954\"\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1956\" data-end=\"2500\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1956\" data-end=\"1997\"\u003e\n\u003ctr data-start=\"1956\" data-end=\"1997\"\u003e\n\u003cth data-start=\"1956\" data-end=\"1968\" data-col-size=\"sm\"\u003eComponent\u003c\/th\u003e\n\u003cth data-start=\"1968\" data-end=\"1980\" data-col-size=\"sm\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1980\" data-end=\"1997\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2012\" data-end=\"2500\"\u003e\n\u003ctr data-start=\"2012\" data-end=\"2079\"\u003e\n\u003ctd data-start=\"2012\" data-end=\"2030\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2014\" data-end=\"2029\"\u003eTransmitter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2030\" data-end=\"2040\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2040\" data-end=\"2079\"\u003eDC 12 V (23A\/12 V Battery Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2080\" data-end=\"2109\"\u003e\n\u003ctd data-start=\"2080\" data-end=\"2083\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2083\" data-end=\"2093\" data-col-size=\"sm\"\u003eCurrent\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2093\" data-end=\"2109\"\u003e10 mA @ 12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2110\" data-end=\"2160\"\u003e\n\u003ctd data-start=\"2110\" data-end=\"2113\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2113\" data-end=\"2125\" data-col-size=\"sm\"\u003eFrequency\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2125\" data-end=\"2160\"\u003e\n\u003cstrong data-start=\"2127\" data-end=\"2138\"\u003e433 MHz\u003c\/strong\u003e (or 315 MHz option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2161\" data-end=\"2188\"\u003e\n\u003ctd data-start=\"2161\" data-end=\"2164\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2164\" data-end=\"2177\"\u003eModulation\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2177\" data-end=\"2188\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2186\"\u003eASK\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2189\" data-end=\"2217\"\u003e\n\u003ctd data-start=\"2189\" data-end=\"2192\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2192\" data-end=\"2202\"\u003eEncoder\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2202\" data-end=\"2217\"\u003eIC \u003cstrong data-start=\"2207\" data-end=\"2215\"\u003e2262\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2218\" data-end=\"2254\"\u003e\n\u003ctd data-start=\"2218\" data-end=\"2221\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2221\" data-end=\"2229\" data-col-size=\"sm\"\u003eRange\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2229\" data-end=\"2254\"\u003e10 – 50 m (open area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2255\" data-end=\"2284\"\u003e\n\u003ctd data-start=\"2255\" data-end=\"2258\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2258\" data-end=\"2265\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2265\" data-end=\"2284\"\u003e62 × 38 × 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2285\" data-end=\"2326\"\u003e\n\u003ctd data-start=\"2285\" data-end=\"2306\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2287\" data-end=\"2305\"\u003eReceiver Board\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2306\" data-end=\"2316\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2316\" data-end=\"2326\"\u003eDC 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2327\" data-end=\"2360\"\u003e\n\u003ctd data-start=\"2327\" data-end=\"2330\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2330\" data-end=\"2340\" data-col-size=\"sm\"\u003eCurrent\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2340\" data-end=\"2360\"\u003e4.5 mA (standby)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2361\" data-end=\"2409\"\u003e\n\u003ctd data-start=\"2361\" data-end=\"2364\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2364\" data-end=\"2374\"\u003eDecoder\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2374\" data-end=\"2409\"\u003eIC \u003cstrong data-start=\"2379\" data-end=\"2390\"\u003e2272-M4\u003c\/strong\u003e (Momentary Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2410\" data-end=\"2449\"\u003e\n\u003ctd data-start=\"2410\" data-end=\"2413\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2413\" data-end=\"2427\" data-col-size=\"sm\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2427\" data-end=\"2449\"\u003e–105 dBm ~ –98 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2450\" data-end=\"2471\"\u003e\n\u003ctd data-start=\"2450\" data-end=\"2453\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2453\" data-end=\"2464\" data-col-size=\"sm\"\u003eDecoding\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2464\" data-end=\"2471\"\u003eASK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2472\" data-end=\"2500\"\u003e\n\u003ctd data-start=\"2472\" data-end=\"2475\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2475\" data-end=\"2482\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2482\" data-end=\"2500\"\u003e41 × 22 × 7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2502\" data-end=\"2505\"\u003e\n\u003ch4 data-start=\"2507\" data-end=\"2533\"\u003e🔌 \u003cstrong data-start=\"2514\" data-end=\"2533\"\u003eReceiver Pinout\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2535\" data-end=\"2805\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 99.9589%; height: 117.5px;\"\u003e\n\u003cthead data-start=\"2535\" data-end=\"2564\"\u003e\n\u003ctr data-start=\"2535\" data-end=\"2564\" style=\"height: 19.5833px;\"\u003e\n\u003cth data-start=\"2535\" data-end=\"2541\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003ePin\u003c\/th\u003e\n\u003cth data-start=\"2541\" data-end=\"2549\" data-col-size=\"sm\" style=\"width: 15.2734%; height: 19.5833px;\"\u003eLabel\u003c\/th\u003e\n\u003cth data-start=\"2549\" data-end=\"2564\" data-col-size=\"md\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2579\" data-end=\"2805\"\u003e\n\u003ctr data-start=\"2579\" data-end=\"2653\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2579\" data-end=\"2583\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e1\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2583\" data-end=\"2592\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2585\" data-end=\"2591\"\u003eVT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2592\" data-end=\"2653\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eTransmission indicator output (HIGH when signal received)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2654\" data-end=\"2706\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2654\" data-end=\"2660\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e2–5\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2660\" data-end=\"2674\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2662\" data-end=\"2673\"\u003eD3 – D0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2674\" data-end=\"2706\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eData outputs for buttons D–A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2707\" data-end=\"2743\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2707\" data-end=\"2711\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e6\u003c\/td\u003e\n\u003ctd data-start=\"2711\" data-end=\"2728\" data-col-size=\"sm\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2713\" data-end=\"2727\"\u003eVCC (+5 V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2728\" data-end=\"2743\" style=\"width: 76.4978%; height: 19.5833px;\"\u003ePower input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2744\" data-end=\"2768\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2744\" data-end=\"2748\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e7\u003c\/td\u003e\n\u003ctd data-start=\"2748\" data-end=\"2758\" data-col-size=\"sm\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2750\" data-end=\"2757\"\u003eGND\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2758\" data-end=\"2768\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2769\" data-end=\"2805\" style=\"height: 19.5833px;\"\u003e\n\u003ctd data-start=\"2769\" data-end=\"2773\" data-col-size=\"sm\" style=\"width: 4.81631%; height: 19.5833px;\"\u003e–\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2773\" data-end=\"2783\" style=\"width: 15.2734%; height: 19.5833px;\"\u003e\u003cstrong data-start=\"2775\" data-end=\"2782\"\u003eANT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2783\" data-end=\"2805\" style=\"width: 76.4978%; height: 19.5833px;\"\u003eAntenna connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2807\" data-end=\"2810\"\u003e\n\u003ch4 data-start=\"2812\" data-end=\"2835\"\u003e🌐 \u003cstrong data-start=\"2819\" data-end=\"2835\"\u003eApplications\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"2839\" data-end=\"2910\"\u003e🔹 \u003cstrong data-start=\"2842\" data-end=\"2861\"\u003eHome Automation\u003c\/strong\u003e – Wireless switching for lights and appliances\u003c\/li\u003e\n\u003cli data-start=\"2913\" data-end=\"2978\"\u003e🔹 \u003cstrong data-start=\"2916\" data-end=\"2936\"\u003eSecurity Systems\u003c\/strong\u003e – Arm\/disarm or panic trigger functions\u003c\/li\u003e\n\u003cli data-start=\"2981\" data-end=\"3048\"\u003e🔹 \u003cstrong data-start=\"2984\" data-end=\"3009\"\u003eGarage \/ Gate Control\u003c\/strong\u003e – Ideal for rolling or sliding gates\u003c\/li\u003e\n\u003cli data-start=\"3051\" data-end=\"3118\"\u003e🔹 \u003cstrong data-start=\"3054\" data-end=\"3070\"\u003eDIY Projects\u003c\/strong\u003e – Robotics, RC control, and remote triggering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3120\" data-end=\"3123\"\u003e\n\u003ch4 data-start=\"3125\" data-end=\"3152\"\u003e📦 \u003cstrong data-start=\"3132\" data-end=\"3152\"\u003ePackage Includes\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"3156\" data-end=\"3209\"\u003e1 × IC 2262 4-Button Wireless Transmitter (Key Fob)\u003c\/li\u003e\n\u003cli data-start=\"3212\" data-end=\"3247\"\u003e1 × IC 2272-M4 ASK Receiver Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40759763697815,"sku":"21PS001313","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/2262-2272-m4-non-latching-4ch-wireless-remote-module-kit.jpg?v=1777626061"},{"product_id":"ntag215-nfc-card-1pc","title":"Blank NTAG215 NFC Cards | Create Amiibo \u0026 Automate Smart Tasks","description":"\u003ch2 data-path-to-node=\"6\"\u003eTransform Your Gaming Experience with Custom Amiibos\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eTired of hunting down rare and expensive Amiibos just to unlock exclusive in-game gear? Our \u003cb data-path-to-node=\"7\" data-index-in-node=\"92\"\u003egenuine NTAG215 NFC cards\u003c\/b\u003e are the industry standard for creating your own Amiibo backups. With exactly 504 bytes of usable memory, these cards perfectly mirror the specs required by Nintendo Switch, Wii U, and 3DS systems. Simply use an app like TagMo on your Android device to write your \u003ccode data-path-to-node=\"7\" data-index-in-node=\"381\"\u003e.bin\u003c\/code\u003e files, and you'll be tapping into new levels, characters, and loot in seconds.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eAutomate Your Life with Smart NFC Triggers\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eStop navigating through endless menus on your phone. By placing these \u003cb data-path-to-node=\"9\" data-index-in-node=\"70\"\u003eblank NFC tags\u003c\/b\u003e around your home or office, you can trigger powerful smartphone automations instantly. Program a card on your nightstand to automatically set your morning alarm and turn off the lights, or stick one near your router so guests can instantly connect to your Wi-Fi without typing a password. It is the ultimate tool for smart home enthusiasts looking to streamline their daily routines.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eBuilt for Everyday Durability\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eWe know these cards will travel with you—in your wallet, attached to your keychain, or mounted outdoors. That’s why they are constructed from high-quality PET material. They are entirely \u003cb data-path-to-node=\"11\" data-index-in-node=\"187\"\u003ewater-proof, acid-proof, and alkali-proof\u003c\/b\u003e, ensuring the delicate internal antenna and NTAG215 chip remain protected and functional for over a decade.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eHow to Write Your Own NFC Cards\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eCreating your smart tags is incredibly simple:\u003c\/p\u003e\n\u003col\u003e\n\u003cli data-path-to-node=\"14,0,0\"\u003eEnsure you have an \u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"19\"\u003eNFC-enabled smartphone\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,1,0\"\u003eDownload a compatible writing app (like \u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"40\"\u003eTagMo\u003c\/b\u003e for Android or \u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"61\"\u003eNFC Tools\u003c\/b\u003e for iOS).\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,2,0\"\u003eLoad your desired data or Amiibo \u003ccode data-path-to-node=\"14,2,0\" data-index-in-node=\"33\"\u003e.bin\u003c\/code\u003e file into the app.\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,3,0\"\u003eTap the \u003cb data-path-to-node=\"14,3,0\" data-index-in-node=\"8\"\u003eBlank NTAG215 Card\u003c\/b\u003e to the back of your phone.\u003c\/li\u003e\n\u003cli data-path-to-node=\"14,4,0\"\u003eOnce the app displays \"Done,\" your card is ready for action! \u003ci data-path-to-node=\"14,4,0\" data-index-in-node=\"61\"\u003e(Note: Amiibo files write lock the card, meaning it cannot be overwritten later).\u003c\/i\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"21 x 31mm","offer_id":47743324717207,"sku":"21ST000611-SMALL","price":8.0,"currency_code":"HKD","in_stock":true},{"title":"85.5mm x 54mm","offer_id":47743324749975,"sku":"21ST000611-BIG","price":8.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ntag215-nfc-smart-card-white.jpg?v=1775709160"},{"product_id":"hc-12-433mhz-wireless-serial-module","title":"HC-12 433MHz Wireless Serial Module - 1000m Range SI4463","description":"\u003cp\u003eUnlock long-range wireless communication with the HC-12 433MHz Wireless Serial Module. Perfect for IoT, smart home, and remote control applications, this powerful module offers reliable data transmission up to 1000 meters, making it an excellent alternative to Bluetooth for projects requiring extended reach.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExtended Range:\u003c\/b\u003e Achieve impressive communication distances of up to 1000 meters (adjustable, default 600m) with an air baud rate of 5000 BPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Operating Frequency:\u003c\/b\u003e Supports 100 communication channels across the 433.4 - 473.0 MHz frequency range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdjustable Transmit Power:\u003c\/b\u003e Features a maximum 100 mW fired power, which can be configured to suit your application's needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Power Supply:\u003c\/b\u003e Operates on a supply voltage of 3.2V to 5.5V. For continuous emission, a 1N4007 diode is recommended when voltage exceeds 4.5V to prevent LDO overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Idle Current:\u003c\/b\u003e Efficient design with a default idle current of just 16mA (current varies by operating mode).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e Small footprint (27.8mm x 14.4mm x 4mm) ideal for integration into various projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSoftware Upgradable:\u003c\/b\u003e Supports future software enhancements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFactory Defaults:\u003c\/b\u003e Comes pre-configured with FU3 working mode, 9600 BPS baud rate, and CH001 communication channel (433.4 MHz).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e 1 x HC-12 SI4463 433Mhz Wireless Serial Port Module (1000m Range)\u003c\/p\u003e\n\u003cp\u003eExplore the possibilities of long-distance wireless connectivity with the HC-12. 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Whether for complex robotics projects, interactive art installations, or smart home applications, it brings endless possibilities to your Arduino.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eUSB Host Functionality:\u003c\/b\u003e Allows your Arduino to act as a USB host, reading and controlling connected USB devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Perfectly supports Arduino MEGA series (2560, 1280) and is compatible with Arduino UNO 328, Arduino Diecimila \/ Duemilanove 328.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Made from high-quality FR4 material, ensuring stability and long product lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEssential for DIY Projects:\u003c\/b\u003e An ideal choice for electronics enthusiasts, makers, and students undertaking advanced DIY 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\u003eColor:\u003c\/b\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e FR4 (Epoxy Glass Fiber Cloth Laminate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eArduino Mega 2560 (\u003cb\u003eRecommended\u003c\/b\u003e, for optimal performance)\u003c\/li\u003e\n\u003cli\u003eArduino Mega 1280\u003c\/li\u003e\n\u003cli\u003eArduino UNO 328\u003c\/li\u003e\n\u003cli\u003eArduino Diecimila \/ Duemilanove 328\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Arduino USB Host Expansion Shield\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":42532428185751,"sku":"","price":68.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/usb-host-shield-arduino-mega-top-v1-6.jpg?v=1754385763"},{"product_id":"tca9548a-1-to-8-i2c-8-way-module-arduino","title":"TCA9548A 1-to-8 I2C Multiplexer Module IIC 8-Channel Expansion Board","description":"\u003cp data-start=\"381\" data-end=\"746\"\u003eThe \u003cstrong data-start=\"385\" data-end=\"427\"\u003eTCA9548A 1-to-8 I2C Multiplexer Module\u003c\/strong\u003e allows you to connect multiple I2C devices with the same address to a single I2C port—ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller projects.\u003cbr data-start=\"589\" data-end=\"592\"\u003eThis module solves I2C address conflicts and expands your system’s capability to handle up to \u003cstrong data-start=\"686\" data-end=\"714\"\u003e64 identical I2C devices\u003c\/strong\u003e when cascading multiple boards.\u003c\/p\u003e\n\u003ch4 data-start=\"748\" data-end=\"770\"\u003e\u003cstrong data-start=\"752\" data-end=\"768\"\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"773\" data-end=\"849\"\u003e\n\u003cstrong data-start=\"773\" data-end=\"790\"\u003eTCA9548A Chip\u003c\/strong\u003e —Stable I2C switching with eight bidirectional channels.\u003c\/li\u003e\n\u003cli data-start=\"852\" data-end=\"923\"\u003e\n\u003cstrong data-start=\"852\" data-end=\"872\"\u003e1-to-8 Expansion\u003c\/strong\u003e —Each board provides 8 independent I2C channels.\u003c\/li\u003e\n\u003cli data-start=\"926\" data-end=\"1001\"\u003e\n\u003cstrong data-start=\"926\" data-end=\"960\"\u003eAddress Selectable (0x70–0x77)\u003c\/strong\u003e —Supports cascading up to 8 expanders.\u003c\/li\u003e\n\u003cli data-start=\"1004\" data-end=\"1083\"\u003e\n\u003cstrong data-start=\"1004\" data-end=\"1030\"\u003eWide Operating Voltage\u003c\/strong\u003e —1.65V–5.5V; ideal for 1.8V, 3.3V, and 5V systems.\u003c\/li\u003e\n\u003cli data-start=\"1086\" data-end=\"1154\"\u003e\n\u003cstrong data-start=\"1086\" data-end=\"1106\"\u003e400kHz I2C Clock\u003c\/strong\u003e —Compatible with fast-mode I2C communication.\u003c\/li\u003e\n\u003cli data-start=\"1157\" data-end=\"1239\"\u003e\n\u003cstrong data-start=\"1157\" data-end=\"1183\"\u003eLevel Shifting Support\u003c\/strong\u003e —Different voltage buses can coexist across channels.\u003c\/li\u003e\n\u003cli data-start=\"1242\" data-end=\"1333\"\u003e\n\u003cstrong data-start=\"1242\" data-end=\"1264\"\u003eReset \u0026amp; Protection\u003c\/strong\u003e —Active-low reset, no glitch during power-up, SMBus compatibility.\u003c\/li\u003e\n\u003cli data-start=\"1336\" data-end=\"1426\"\u003e\n\u003cstrong data-start=\"1336\" data-end=\"1366\"\u003eBuilt-In Pull-Up Resistors\u003c\/strong\u003e —\/RESET, SDA, SCL, A0–A2 pins already include 10K pull-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1428\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1448\"\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1453\" data-end=\"1495\"\u003eProjects with multiple identical sensors\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1521\"\u003eRobotics \u0026amp; automation\u003c\/li\u003e\n\u003cli data-start=\"1524\" data-end=\"1556\"\u003eMulti-channel data acquisition\u003c\/li\u003e\n\u003cli data-start=\"1559\" data-end=\"1572\"\u003eIoT devices\u003c\/li\u003e\n\u003cli data-start=\"1575\" data-end=\"1609\"\u003ePrototyping and development boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1611\" data-end=\"1614\"\u003e\n\u003ch4 data-start=\"1616\" data-end=\"1650\"\u003e\u003cstrong data-start=\"1619\" data-end=\"1648\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1653\" data-end=\"1676\"\u003e\n\u003cstrong data-start=\"1653\" data-end=\"1665\"\u003eChipset:\u003c\/strong\u003e TCA9548A\u003c\/li\u003e\n\u003cli data-start=\"1679\" data-end=\"1705\"\u003e\n\u003cstrong data-start=\"1679\" data-end=\"1693\"\u003eInterface:\u003c\/strong\u003e I2C \/ IIC\u003c\/li\u003e\n\u003cli data-start=\"1708\" data-end=\"1738\"\u003e\n\u003cstrong data-start=\"1708\" data-end=\"1726\"\u003eAddress Range:\u003c\/strong\u003e 0x70–0x77\u003c\/li\u003e\n\u003cli data-start=\"1741\" data-end=\"1776\"\u003e\n\u003cstrong data-start=\"1741\" data-end=\"1763\"\u003eOperating Voltage:\u003c\/strong\u003e 1.65V–5.5V\u003c\/li\u003e\n\u003cli data-start=\"1779\" data-end=\"1804\"\u003e\n\u003cstrong data-start=\"1779\" data-end=\"1793\"\u003eI2C Clock:\u003c\/strong\u003e 0–400kHz\u003c\/li\u003e\n\u003cli data-start=\"1807\" data-end=\"1850\"\u003e\n\u003cstrong data-start=\"1807\" data-end=\"1833\"\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003cli data-start=\"1853\" data-end=\"1886\"\u003e\n\u003cstrong data-start=\"1853\" data-end=\"1868\"\u003eBoard Size:\u003c\/strong\u003e 31.5mm × 21.4mm\u003c\/li\u003e\n\u003cli data-start=\"1889\" data-end=\"1917\"\u003e\n\u003cstrong data-start=\"1889\" data-end=\"1908\"\u003eMounting Holes:\u003c\/strong\u003e 2 × M3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1919\" data-end=\"1922\"\u003e\n\u003ch4 data-start=\"1924\" data-end=\"1952\"\u003e\u003cstrong data-start=\"1927\" data-end=\"1950\"\u003ePackage Includes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1955\" data-end=\"1998\"\u003e1 × TCA9548A I2C Multiplexer Breakout Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":42777376129175,"sku":"21PS001789","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/tca9548a-i2c-8-channel-multiplexer-module-pins.jpg?v=1777626719"},{"product_id":"gt-38-wifi-wireless-serial-port-module","title":"GT-38 UART 433MHz Wireless Transceiver Module | 1200m Range SI4438","description":"\u003cp data-path-to-node=\"30,1,0\"\u003e\u003cspan data-path-to-node=\"30,1,0,0\"\u003eIntroducing the next generation of sub-GHz wireless communication: the GT-38 Long Range 433MHz Transceiver. Engineered around the high-performance \u003cb\u003eSilicon Labs SI4438\u003c\/b\u003e chip, this embedded module delivers unparalleled reliability and a proven \u003cb\u003e1200-meter communication distance\u003c\/b\u003e.\u003c\/span\u003e\u003cspan data-path-to-node=\"30,1,0,1\"\u003e\u003cspan\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e1\u003c\/sup\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-path-to-node=\"30,1,0,2\"\u003e Designed for simplicity, the built-in MCU enables \u003cb\u003etransparent serial data transfer\u003c\/b\u003e, making wireless integration into popular platforms like \u003cb\u003eArduino\u003c\/b\u003e and other microcontroller projects seamless and fast.\u003c\/span\u003e\u003cspan data-path-to-node=\"30,1,0,3\"\u003e\u003cspan\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e3\u003c\/sup\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"31\"\u003e\u003cb\u003eKey Features and Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"32,0,0\"\u003e\n\u003cb\u003e1200M Long-Range Reliability:\u003c\/b\u003e Utilize the robust \u003cb\u003e20dBm (100mW)\u003c\/b\u003e power output and superior link budget derived from the SI4438 for extended coverage in open fields (achieved in FU4 mode).\u003c\/li\u003e\n\u003cli data-path-to-node=\"32,1,0\"\u003e\n\u003cb\u003ePlug-and-Play UART Interface:\u003c\/b\u003e Achieve instant wireless setup using standard \u003cb\u003e3.3V\/5V TTL serial ports\u003c\/b\u003e. The transparent transmission mode eliminates the need for complex RF protocol programming, presenting the module as a simple wireless bridge.\u003c\/li\u003e\n\u003cli data-path-to-node=\"32,2,0\"\u003e\n\u003cb\u003eBattery Life Optimization (80μA Mode):\u003c\/b\u003e Select the FU2 mode to minimize idle current to just \u003cb\u003e\u003cspan class=\"math-inline\" data-math=\"80\\mu A\"\u003e$80\\mu A$\u003c\/span\u003e\u003c\/b\u003e. This feature dramatically extends the deployment life of battery-powered sensors and remote IoT devices, positioning the GT-38 as an energy-efficient choice.\u003c\/li\u003e\n\u003cli data-path-to-node=\"32,3,0\"\u003e\n\u003cb\u003eFlexible Network Topologies:\u003c\/b\u003e The operational band of 433-458.5MHz offers up to 255 channels, ensuring channel separation and reliable communication. The module supports secure \u003cb\u003eone-to-one, one-to-many, and many-to-many\u003c\/b\u003e data links, facilitating complex network deployments.\u003c\/li\u003e\n\u003cli data-path-to-node=\"32,4,0\"\u003e\n\u003cb\u003eEnhanced Data Handling:\u003c\/b\u003e The maximum number of bytes that can be sent in a single operation is up to 256 bytes, ensuring efficient bulk data transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"33\"\u003e\u003cb\u003eDetailed Technical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003ctable data-path-to-node=\"35\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\/Insight\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=\"35,1,0,0\"\u003e\u003cb\u003eCore Chipset\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,1,1,0\"\u003eSI4438 (EZRadioPRO)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp data-path-to-node=\"35,1,2,0\"\u003e\u003cspan data-path-to-node=\"35,1,2,0,0\"\u003eHigh-performance, high-sensitivity RF platform.\u003c\/span\u003e\u003cspan data-path-to-node=\"35,1,2,0,1\"\u003e\u003cspan\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e1\u003c\/sup\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,2,0,0\"\u003e\u003cb\u003eFrequency Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,2,1,0\"\u003e433.0 ~ 458.5 MHz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,2,2,0\"\u003e255 selectable channels (100 KHz step).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,3,0,0\"\u003e\u003cb\u003eInterface\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,3,1,0\"\u003eUART (TX\/RX)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,3,2,0\"\u003eSupports 3.3V \/ 5V TTL logic levels.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,4,0,0\"\u003e\u003cb\u003eReference Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,4,1,0\"\u003e1200 meters (Open Field)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,4,2,0\"\u003eAchieved in FU4 mode at 1000bps air baud rate.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,5,0,0\"\u003e\u003cb\u003eMax TX Power\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,5,1,0\"\u003e20 dBm (100 mW)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,5,2,0\"\u003e8 configurable output power levels.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,6,0,0\"\u003e\u003cb\u003eRX Sensitivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,6,1,0\"\u003e-116 dBm (at 5000bps)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,6,2,0\"\u003eContributes to industry-leading link budget.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,7,0,0\"\u003e\u003cb\u003eOperating Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,7,1,0\"\u003e3.2V ~ 5.5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,7,2,0\"\u003eWide compatibility with embedded systems.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,8,0,0\"\u003e\u003cb\u003eLowest Idle Current\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,8,1,0\"\u003e80 μA (FU2 Mode)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,8,2,0\"\u003eOptimal for battery-powered long-life deployment.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,9,0,0\"\u003e\u003cb\u003eDimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,9,1,0\"\u003e26.7 mm x 12.9 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,9,2,0\"\u003eCompact module footprint for integration [Image 2].\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,10,0,0\"\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,10,1,0\"\u003e-25°C to +75°C\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"35,10,2,0\"\u003eSuitable for rugged industrial applications.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"selectable-text\"\u003e\u003cspan lang=\"EN-US\"\u003e \u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43067022868631,"sku":"21PS001287","price":49.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/gt-38-433mhz-wireless-uart-module-antenna.jpg?v=1764138793"},{"product_id":"ir-wireless-remote-control-kit-for-arduino-raspberry-pi","title":"IR Wireless Remote Control Kit (HX1838) for Arduino \u0026 Raspberry Pi","description":"\u003ch4\u003e🚀 \u003cb\u003eProduct Overview: Build \u0026amp; Control with Infrared\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp\u003eTake control of your \u003cb\u003eDIY electronics\u003c\/b\u003e projects with this \u003cb\u003eInfrared (IR) Wireless Remote Control Kit\u003c\/b\u003e. Perfectly compatible with \u003cb\u003eArduino\u003c\/b\u003e and \u003cb\u003eRaspberry Pi\u003c\/b\u003e, this kit provides everything you need to implement \u003cb\u003eremote control\u003c\/b\u003e functionality for your robots, smart home devices, or interactive works.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e✨ \u003cb\u003eKey Features\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes a \u003cb\u003eMini Slim 38KHz IR remote control\u003c\/b\u003e and an \u003cb\u003eIR receiver module (HX1838)\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Integration:\u003c\/b\u003e The \u003cb\u003eIR receiver module\u003c\/b\u003e is designed to decode the standard 38KHz modulated remote signal with simple programming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Functionality:\u003c\/b\u003e The \u003cb\u003eMini Slim remote\u003c\/b\u003e features \u003cb\u003e17 function keys\u003c\/b\u003e, giving you plenty of control options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong Range:\u003c\/b\u003e Reliable \u003cb\u003efiring distance of up to 8 meters\u003c\/b\u003e (dependent on environment and sensitivity).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Application:\u003c\/b\u003e Ideal for \u003cb\u003eremote-controlled robots\u003c\/b\u003e, educational projects, and various control room applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e⚙️ \u003cb\u003eTechnical Specifications\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTransmission Distance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eRange\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e8 meters above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRemote Keys\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eNumber\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e17 function keys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEffective Angle\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eReceiver\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e60 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModulation Frequency\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eStandard\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e38KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRemote Life\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eMaterial\/Life\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.125mm PET, up to 20,000 times\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCurrent (Quiescent)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003ePower\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e3-5 \u003cspan data-math=\"\\mu A\" class=\"math-inline\"\u003e$\\mu A$\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCurrent (Dynamic)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003ePower\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e3-5 \u003cspan data-math=\"mA\" class=\"math-inline\"\u003e$mA$\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43090504253591,"sku":"","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ir-remote-control-kit-arduino-raspberry-pi-full.jpg?v=1761575226"},{"product_id":"mini-motor-remote-control-module","title":"433MHz Mini Wireless Motor Remote Control Module | DC 3V-12V","description":"\u003ch2 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eComplete Wireless Control in a Micro Form Factor\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eWhen building custom electronics, space and power are your most valuable resources. This 433MHz Mini Motor Remote Control Module solves both problems instantly. Measuring just 21 x 11 x 5 mm, it is engineered to fit seamlessly into the tightest enclosures without compromising on signal strength or reliability.\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\"\u003eSilent Operation with MOS Contactless Technology\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eUnlike traditional mechanical relays that produce an audible \"click,\" this module utilizes advanced MOS contactless technology. This ensures completely silent operation—a critical feature for stealthy electronic locks, quiet robotic parts, or discreet automated mechanisms.\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\"\u003eEngineered for Maximum Battery Life\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eBattery drain is a common headache for DIY hobbyists and engineers. We've optimized this receiver to draw an ultra-low standby current of just 0.5mA. When not in active use, it automatically enters a low-power sleep state, preserving your battery life for months rather than days. It fully supports a wide voltage range (DC 3V-12V), making it universally compatible with everything from standard 3.7V lipo batteries to 12V power adapters.\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\"\u003eBuilt-In Smart Overcurrent Protection\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eProtect your hardware from unexpected surges. The receiver features integrated overcurrent protection. If your motor stalls or attempts to draw more than the rated limit, the module automatically cuts power, preventing damage to both the receiver board and your motor coil.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43511524524183,"sku":"","price":88.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/mini-motor-remote-full-kit.jpg?v=1775591814"},{"product_id":"mcp2515-can-bus-driver-module-for-arduino","title":"MCP2515 CAN Bus Module with TJA1050 Transceiver SPI for Arduino","description":"\u003cp data-end=\"807\" data-start=\"365\"\u003e\u003cstrong data-end=\"433\" data-start=\"365\"\u003eReliable CAN Bus Communication for Your Microcontroller Projects\u003c\/strong\u003e\u003cbr data-end=\"436\" data-start=\"433\"\u003eThe \u003cstrong data-end=\"493\" data-start=\"440\"\u003eMCP2515 CAN Bus Module (with TJA1050 transceiver)\u003c\/strong\u003e is a compact and stable solution for adding CAN bus communication to Arduino, 51 MCU, ARM controllers and other DIY electronics projects.\u003cbr data-end=\"634\" data-start=\"631\"\u003eWhether you're working on automotive diagnostics, industrial automation, or embedded systems, this module provides a dependable CAN interface using the popular SPI protocol.\u003c\/p\u003e\n\u003chr data-end=\"812\" data-start=\"809\"\u003e\n\u003ch4 data-end=\"837\" data-start=\"814\"\u003e\u003cstrong data-end=\"837\" data-start=\"818\"\u003e🔧 Key Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"996\" data-start=\"841\"\u003e\n\u003cstrong data-end=\"889\" data-start=\"841\"\u003eMCP2515 CAN Controller + TJA1050 Transceiver\u003c\/strong\u003e\u003cbr data-end=\"892\" data-start=\"889\"\u003eProvides a complete CAN V2.0B communication solution with high stability and excellent noise immunity.\u003c\/li\u003e\n\u003cli data-end=\"1124\" data-start=\"1000\"\u003e\n\u003cstrong data-end=\"1038\" data-start=\"1000\"\u003eSupports Up to 1Mb\/s CAN Data Rate\u003c\/strong\u003e\u003cbr data-end=\"1041\" data-start=\"1038\"\u003eEnsures fast and reliable data transmission for demanding real-time applications.\u003c\/li\u003e\n\u003cli data-end=\"1240\" data-start=\"1128\"\u003e\n\u003cstrong data-end=\"1154\" data-start=\"1128\"\u003eFlexible Frame Formats\u003c\/strong\u003e\u003cbr data-end=\"1157\" data-start=\"1154\"\u003eSupports standard frames, extended frames, and remote frames (0–8 bytes of data).\u003c\/li\u003e\n\u003cli data-end=\"1393\" data-start=\"1244\"\u003e\n\u003cstrong data-end=\"1282\" data-start=\"1244\"\u003eBuilt-in 120Ω Termination Resistor\u003c\/strong\u003e\u003cbr data-end=\"1285\" data-start=\"1282\"\u003eEnsures proper bus impedance matching, reduces signal reflection, and improves long-distance transmission.\u003c\/li\u003e\n\u003cli data-end=\"1543\" data-start=\"1397\"\u003e\n\u003cstrong data-end=\"1425\" data-start=\"1397\"\u003eSimple SPI Communication\u003c\/strong\u003e\u003cbr data-end=\"1428\" data-start=\"1425\"\u003eWorks seamlessly with Arduino, 51 single-chip microcontrollers, ARM processors, and most SPI-enabled controllers.\u003c\/li\u003e\n\u003cli data-end=\"1681\" data-start=\"1547\"\u003e\n\u003cstrong data-end=\"1590\" data-start=\"1547\"\u003eWide Industrial-Grade Temperature Range\u003c\/strong\u003e\u003cbr data-end=\"1593\" data-start=\"1590\"\u003eOperates from \u003cstrong data-end=\"1627\" data-start=\"1609\"\u003e–40°C to +85°C\u003c\/strong\u003e, suitable for automotive and industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1686\" data-start=\"1683\"\u003e\n\u003ch4 data-end=\"1713\" data-start=\"1688\"\u003e\u003cstrong data-end=\"1713\" data-start=\"1692\"\u003e📐 Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"1746\" data-start=\"1717\"\u003e\n\u003cstrong data-end=\"1734\" data-start=\"1717\"\u003eCAN Protocol:\u003c\/strong\u003e CAN V2.0B\u003c\/li\u003e\n\u003cli data-end=\"1777\" data-start=\"1749\"\u003e\n\u003cstrong data-end=\"1763\" data-start=\"1749\"\u003eBaud Rate:\u003c\/strong\u003e Up to 1Mb\/s\u003c\/li\u003e\n\u003cli data-end=\"1808\" data-start=\"1780\"\u003e\n\u003cstrong data-end=\"1796\" data-start=\"1780\"\u003eData Length:\u003c\/strong\u003e 0–8 bytes\u003c\/li\u003e\n\u003cli data-end=\"1836\" data-start=\"1811\"\u003e\n\u003cstrong data-end=\"1828\" data-start=\"1811\"\u003ePower Supply:\u003c\/strong\u003e DC 5V\u003c\/li\u003e\n\u003cli data-end=\"1859\" data-start=\"1839\"\u003e\n\u003cstrong data-end=\"1853\" data-start=\"1839\"\u003eInterface:\u003c\/strong\u003e SPI\u003c\/li\u003e\n\u003cli data-end=\"1902\" data-start=\"1862\"\u003e\n\u003cstrong data-end=\"1878\" data-start=\"1862\"\u003eTermination:\u003c\/strong\u003e 120Ω onboard resistor\u003c\/li\u003e\n\u003cli data-end=\"1946\" data-start=\"1905\"\u003e\n\u003cstrong data-end=\"1921\" data-start=\"1905\"\u003eModule Size:\u003c\/strong\u003e 4.4 × 2.8 cm (approx.)\u003c\/li\u003e\n\u003cli data-end=\"1976\" data-start=\"1949\"\u003e\n\u003cstrong data-end=\"1969\" data-start=\"1949\"\u003eWorking Current:\u003c\/strong\u003e ~5mA\u003c\/li\u003e\n\u003cli data-end=\"2005\" data-start=\"1979\"\u003e\n\u003cstrong data-end=\"1999\" data-start=\"1979\"\u003eStandby Current:\u003c\/strong\u003e 1µA\u003c\/li\u003e\n\u003cli data-end=\"2051\" data-start=\"2008\"\u003e\n\u003cstrong data-end=\"2034\" data-start=\"2008\"\u003eOperating Temperature:\u003c\/strong\u003e –40°C to +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2056\" data-start=\"2053\"\u003e\n\u003ch4 data-end=\"2085\" data-start=\"2058\"\u003e\u003cstrong data-end=\"2085\" data-start=\"2062\"\u003e📦 Package Includes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"2138\" data-start=\"2087\"\u003e1 × MCP2515 CAN Bus Module with TJA1050 Transceiver\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":43898780418199,"sku":"21PS002253","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/mcp2515-can-bus-module-arduino-diy.jpg?v=1763444742"},{"product_id":"rs232-to-ttl-module-for-arduino","title":"MAX3232 RS232 to TTL Converter Module DB9 Serial Adapter for Arduino","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis RS232 to TTL Serial Port Converter Module is designed for reliable and easy signal conversion between RS232 devices and TTL serial interfaces used by microcontrollers like Arduino, STM32, STC, NXP, NEC, and Renesas. Featuring the MAX3232 chip, the module delivers stable voltage level conversion for seamless communication between 3.3V–5.5V logic systems and traditional RS232 ports (DB9 connector).\u003cbr\u003ePerfect for radio modification, GPS interfacing, hard disk repair, set-top box upgrades, phone flashing, and debugging embedded systems.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eConverts RS232 signals to TTL (3.3V\/5V) logic levels\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt-in MAX3232 IC for compatibility with a wide range of microcontrollers\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStandard DB9 female connector for easy integration\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSupports both full-duplex data transmission (TX\/RX)\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOperating voltage: 3.3V–5.5V\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClearly labeled pins: VCC, GND, TX, RX\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact PCB for versatile installation\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\u003eImportant Notes\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\"\u003eSome compatibility issues have been reported with certain laptops when used with USB-to-Serial adapters. If communication is unstable, try switching MAX3232 to MAX232 or adjusting operating voltage.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis module is intended for basic serial communication and does not include technical support for device programming or flashing.\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\u003eCommon Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIndustrial automation and debugging\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEmbedded system upgrades\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMicrocontroller programming\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eVehicle diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44228771217559,"sku":"21PS001945","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/rs232-to-ttl-converter-module-pinout.jpg?v=1763197378"},{"product_id":"max485-module-rs485-ttl-converter-module","title":"MAX485 RS485 TTL to RS485 Converter Module for Arduino","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUpgrade your Arduino or microcontroller projects with the MAX485 RS-485 TTL to RS485 Converter Module. This compact board is powered by the efficient MAX485 chip, ideal for robust, long-distance serial communication using the RS-485 standard. The module supports half-duplex differential signaling, ensuring reliable, noise-resistant data transfer up to 1.2 km—perfect for industrial control, embedded systems, IoT, and automation applications.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIt features a 5.08mm pitch 2P screw terminal for easy RS-485 wiring and a clear set of headers for TTL connections. The MAX485 chip is fully accessible by your microcontroller for flexible operation. Operating at 5V and sized at just 44mm x 14mm, this module delivers powerful features in a space-saving package.\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\"\u003eHigh-performance MAX485 chip for low power consumption and reliable RS-485 communication.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e5.08mm terminal for easy RS-485 wiring.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAll signal pins are accessible for precise MCU control.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e5V operating voltage, compatible with standard logic levels.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUltra-compact: 44mm x 14mm, easy to embed in any project.\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\u003eApplications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndustrial automation, smart home systems, sensor networks, security\/CCTV integration, and all microcontroller-based RS485 network projects.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44228781768855,"sku":"21PS002317","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/max485-rs485-ttl-converter-module-pins-angle.jpg?v=1776404091"},{"product_id":"ethernet-w5100-development-board","title":"Ethernet W5100 Development Board for Arduino TCP\/IP Module","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eEthernet W5100 Development Board for Arduino – Full TCP\/IP Network 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 reliable network connectivity to your Arduino and embedded projects with the W5100 Ethernet Development Board. Built around the WIZnet W5100 chip, this module offers a complete hardware-based TCP\/IP stack that simplifies Ethernet communication for microcontrollers.\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\u003eIntegrated W5100 Chip:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides built-in TCP\/IP protocol handling, greatly reducing the processing load on your main MCU.\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\u003eMultiple Protocol Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPPoE for flexible network communication.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\n\u003cstrong\u003eHigh-Speed SPI Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures fast and efficient data transfer between your Arduino and the Ethernet module.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\n\u003cstrong\u003eFour Independent Sockets:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCapable of maintaining up to four simultaneous network connections.\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\u003eLED Indicators:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePower, link, and data transmission LEDs make monitoring device status quick and easy.\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\u003eEasy Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFully compatible with Arduino and other microcontrollers; ideal for IoT, automation, and remote monitoring projects.\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\u003eFlexible Power Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperates on 3.3V or 5V, suitable for different systems.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 7cm x 5.4cm x 2.4cm, saving valuable space in your project.\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\u003eApplications\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\"\u003eDIY IoT devices and home automation\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNetwork-enabled sensors and controllers\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 data logging projects\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePrototyping and student electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44498787729559,"sku":"21CU000006","price":68.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/arduino-w5100-ethernet-sd-shield-top-view.jpg?v=1763009556"},{"product_id":"8-way-i2c-converter-bi-directional-module-5v-to-3-3v-for-arduino","title":"8-Channel 3.3V↔5V I2C UART SPI TTL Bidirectional Logic Level Converter","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e8-Channel Bidirectional Logic Level Converter Module (3.3V ↔ 5V, I2C\/UART\/SPI\/TTL)\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\"\u003eThis module allows safe and reliable voltage level conversion between different logic systems, such as 3.3V and 5V devices. It supports multiple communication protocols including I2C, UART, SPI, and TTL, making it ideal for Arduino, Raspberry Pi, ESP32, STM32, and other microcontroller 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\u003eImportant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis is a logic level converter,\u003cspan\u003e \u003c\/span\u003e\u003cem\u003enot\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003ea power converter. You must connect both 3.3V and 5V power sources.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e8-channel bi-directional logic level shifting between high and low voltage logic.\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 voltage ranges from 1.8V to 6V.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEnables two-way communication between 3.3V and 5V systems.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact size: 28mm x 27.5mm.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompatible with IIC, UART, SPI, and TTL interfaces.\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\u003eConnection Guide (example for 3.3V ↔ 5V conversion):\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\"\u003eConnect\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVCCA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto 3.3V power supply.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eConnect\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVCCB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto 5V power supply.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eConnect\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGND\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ground.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhen 3.3V signal enters\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAx\u003c\/strong\u003e, corresponding\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutputs 5V logic.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhen 5V signal enters\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBx\u003c\/strong\u003e, corresponding\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutputs 3.3V logic.\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\"\u003ePerfect for communication between 5V Arduino boards and 3.3V devices such as sensors, displays, and logic circuits.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44516182229143,"sku":"21PS001790","price":28.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/8-channel-i2c-logic-level-converter-module-arduino.jpg?v=1763008183"},{"product_id":"pcf88575-16-bits-i2c-module-for-arduino","title":"PCF8575 16-Bit I2C I\/O Expander Module for Arduino \u0026 R3","description":"\u003ch4 class=\"\"\u003e\u003cb\u003eOverview: Solve Your I\/O Pin Shortage\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eAre you running out of digital input\/output pins on your Arduino or other microcontrollers?\u003c\/span\u003e\u003cspan class=\"\"\u003e This powerful \u003c\/span\u003e\u003cb class=\"\"\u003ePCF8575 I2C I\/O Expander Module\u003c\/b\u003e\u003cspan class=\"\"\u003e is your simple solution!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eIt allows you to expand your project's digital I\/O capacity by an incredible \u003c\/span\u003e\u003cb class=\"\"\u003e16 pins\u003c\/b\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e all while using only \u003c\/span\u003e\u003cb class=\"\"\u003etwo I\/O pins\u003c\/b\u003e\u003cspan class=\"\"\u003e on your main board for the I2C control interface.\u003c\/span\u003e\u003cspan class=\"\"\u003e Perfect for projects that need to control multiple relays,\u003c\/span\u003e\u003cspan class=\"\"\u003e buzzers,\u003c\/span\u003e\u003cspan class=\"\"\u003e or LEDs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 class=\"\"\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eMassive I\/O Expansion:\u003c\/b\u003e\u003cspan class=\"\"\u003e Instantly add \u003c\/span\u003e\u003cb class=\"\"\u003e16 near-bi-directional\u003c\/b\u003e\u003cspan class=\"\"\u003e digital input\/output pins to your project.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eSimple Control:\u003c\/b\u003e\u003cspan class=\"\"\u003e Uses the universally common \u003c\/span\u003e\u003cb class=\"\"\u003eI2C \/ IIC \/ SMBus\u003c\/b\u003e\u003cspan class=\"\"\u003e interface,\u003c\/span\u003e\u003cspan class=\"\"\u003e requiring only SDA and SCL pins.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eInterrupt Output:\u003c\/b\u003e\u003cspan class=\"\"\u003e Features a dedicated \u003c\/span\u003e\u003cb class=\"\"\u003eopen-drain interrupt output pin (INT)\u003c\/b\u003e\u003cspan class=\"\"\u003e,\u003c\/span\u003e\u003cspan class=\"\"\u003e enabling your microcontroller to react instantly to any change in the input status without constant polling.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eLevel Compatibility:\u003c\/b\u003e\u003cspan class=\"\"\u003e Includes an on-board \u003c\/span\u003e\u003cb class=\"\"\u003e3.3V level converter circuit\u003c\/b\u003e\u003cspan class=\"\"\u003e for flexible use across various systems.\u003c\/span\u003e\u003cspan class=\"\"\u003e By default (pad VCC-VDD open),\u003c\/span\u003e\u003cspan class=\"\"\u003e the PCF8575 operates at 3.\u003c\/span\u003e\u003cspan class=\"\"\u003e3V.\u003c\/span\u003e\u003cspan class=\"\"\u003e If you solder the VCC-VDD pad,\u003c\/span\u003e\u003cspan class=\"\"\u003e the level will match your VCC supply (e.\u003c\/span\u003e\u003cspan class=\"\"\u003eg.,\u003c\/span\u003e\u003cspan class=\"\"\u003e 5V).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eIndividual Addressing:\u003c\/b\u003e\u003cspan class=\"\"\u003e All 16 pins are \u003c\/span\u003e\u003cb class=\"\"\u003eindividually addressable\u003c\/b\u003e\u003cspan class=\"\"\u003e and can be configured as either an input or an output pin.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb class=\"\"\u003eEasy Setup:\u003c\/b\u003e\u003cspan class=\"\"\u003e Compatible with the standard \u003c\/span\u003e\u003cb class=\"\"\u003ePCF8575 Arduino library\u003c\/b\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 class=\"\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharacteristic\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\u003cb\u003eOperating Voltage\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5V to 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMax Operating Current\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e100mA (Max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInterface\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eI2C \/ IIC \/ SMBus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eI2C Address\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0x20 (Default, modifiable via A1\/A2 solder pads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePins\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e16 Individually Addressable I\/O Pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCompatibility\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino R3, ESP32, ESP8266, and other MCUs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eControl of Relay Banks, Buzzers, Push Buttons, LEDs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44656315859095,"sku":"","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/pcf8575-16-bit-i2c-io-expander-module.jpg?v=1762870396"},{"product_id":"socket-adapter-plate-board-for-8pin-nrf24l01","title":"NRF24L01 8-Pin Wireless Module Socket Adapter with 3.3V Regulator","description":"\u003cp\u003e\u003cb\u003eUnlock Seamless Connectivity for Your Wireless Projects!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis convenient socket adapter board is designed to bridge the gap between your NRF24L01 wireless module and 5V microcontroller systems, like the popular 51 series. While NRF24L01 wireless modules typically operate at 3.3V, most microcontrollers run on 5V. This adapter ensures safe and reliable communication by providing the necessary voltage regulation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEffortless Integration:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSimply plug your 8-pin NRF24L01+ wireless module directly into this adapter board. The integrated AMS1117-3.3 chip provides stable 3.3V power, making it incredibly easy to connect your wireless module to your 5V microcontroller development board without additional components or complex wiring. Get your wireless communication up and running faster, perfect for Arduino projects, robotics, and more!\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDedicated for 8-Pin NRF24L01+ Modules:\u003c\/b\u003e Specifically designed for a perfect fit and reliable connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOn-board AMS1117-3.3 Voltage Regulator:\u003c\/b\u003e Converts 5V input to stable 3.3V for safe NRF24L01 operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimplifies Connectivity:\u003c\/b\u003e Eliminates the need for external voltage dividers or regulators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdeal for 5V Microcontrollers:\u003c\/b\u003e Seamlessly integrates your NRF24L01 with 51 microcontrollers, Arduino, and similar platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust and Easy to Use:\u003c\/b\u003e A simple, reliable solution for your wireless communication needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x NRF24L01 Wireless Module Socket Adapter Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":45419360387223,"sku":"","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/nrf24l01-wireless-adapter-board-top-view.jpg?v=1755785784"},{"product_id":"tea5767-fm-stereo-radio-module-5v-for-arduino-with-antenna","title":"TEA5767 FM Stereo Radio Module 5V for Arduino with Antenna","description":"\u003cp dir=\"auto\"\u003eUpgrade your Arduino projects with the TEA5767 FM Stereo Radio Module! This 5V module supports a frequency range of 76-108MHz and comes with a free cable antenna for easy setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Supply: 5V\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 76-108MHz\u003c\/li\u003e\n\u003cli\u003ePCB Size: 31 x 30mm\u003c\/li\u003e\n\u003cli\u003eFeatures Reverse Polarity Protection Diode\u003c\/li\u003e\n\u003cli\u003eIncludes Power Output Filtering Sensor\u003c\/li\u003e\n\u003cli\u003eDirect Plug Antenna Interface\u003c\/li\u003e\n\u003cli\u003eI2C Bus Communication\u003c\/li\u003e\n\u003cli\u003eMulti-Capacitor Combined Filter\u003c\/li\u003e\n\u003cli\u003eBlue LED Power Indicator\u003c\/li\u003e\n\u003cli\u003eFM Chip: TEA5767\u003c\/li\u003e\n\u003cli\u003eOnboard 3.5mm Audio Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Connects to a single-chip with Power Ground and two I2C communication cables\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC Harmonic Oscillator with Low-Cost Fixed Chip\u003c\/li\u003e\n\u003cli\u003eNo Intermediate Frequency Adjustment Needed\u003c\/li\u003e\n\u003cli\u003eHigh Sensitivity with Low Noise RF Input Amplifier\u003c\/li\u003e\n\u003cli\u003eHigh Power Auto Gain Control (AGC) Circuit\u003c\/li\u003e\n\u003cli\u003eSoft Mute Functionality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePerfect for DIY electronics enthusiasts, this module offers reliable performance and easy integration.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":45528605884567,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/TEA5767_FM_Stereo_Radio_Module_Angle.jpg?v=1777626381"},{"product_id":"usb-to-ttl-serial-adapter-cable-ch340-chip-1m","title":"USB to TTL Serial Adapter Cable (CH340 Chip, 1M) - Win 10\/8\/7\/XP","description":"\u003cp data-sourcepos=\"17:1-17:68\"\u003e\u003cstrong\u003eThe Essential Link for Your Electronics \u0026amp; DIY Projects\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"19:1-19:371\"\u003eUnlock the full potential of your microcontrollers and serial devices with our USB to TTL Serial Adapter Cable. Powered by the stable and widely supported CH340 chip, this cable provides a straightforward solution for connecting your computer to any RS232-like full-duplex asynchronous serial device. It's the must-have tool for programming, debugging, and communication.\u003c\/p\u003e\n\u003cp data-sourcepos=\"21:1-21:32\"\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"23:1-32:0\"\u003e\n\u003cli data-sourcepos=\"23:1-23:140\"\u003e\n\u003cstrong\u003eReliable CH340 Chip:\u003c\/strong\u003e Features the popular CH340 chipset, offering a stable and convenient bridge between USB and your serial projects.\u003c\/li\u003e\n\u003cli data-sourcepos=\"24:1-24:184\"\u003e\n\u003cstrong\u003eBroad OS Support:\u003c\/strong\u003e Plug-and-play ready for most operating systems. Fully compatible with Windows XP, 7, 8, and 10, allowing you to use existing COM port-based software seamlessly.\u003c\/li\u003e\n\u003cli data-sourcepos=\"25:1-25:216\"\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e The perfect tool for programming and debugging devices like Arduino, Raspberry Pi, 51 SCM, and ARM MCUs. Also ideal for flashing firmware on routers, GPS, set-top boxes, and hard drives.\u003c\/li\u003e\n\u003cli data-sourcepos=\"26:1-30:30\"\u003e\n\u003cstrong\u003eClear \u0026amp; Simple Pinout:\u003c\/strong\u003e The 4-pin connector is clearly defined for easy connection:\n\u003cul data-sourcepos=\"27:5-30:30\"\u003e\n\u003cli data-sourcepos=\"27:5-27:23\"\u003e\n\u003cstrong\u003eRed:\u003c\/strong\u003e 5V Power\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:5-28:29\"\u003e\n\u003cstrong\u003eBlack:\u003c\/strong\u003e Ground (GND)\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:5-29:31\"\u003e\n\u003cstrong\u003eGreen:\u003c\/strong\u003e Transmit (TXD)\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:5-30:30\"\u003e\n\u003cstrong\u003eWhite:\u003c\/strong\u003e Receive (RXD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-sourcepos=\"31:1-32:0\"\u003e\n\u003cstrong\u003eConvenient Length:\u003c\/strong\u003e A 1-meter (100cm) cable provides ample length for connecting your desktop or laptop to your project bench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"33:1-33:130\"\u003e\u003cstrong\u003eWhether you're a hobbyist, student, or professional, this cable is an indispensable part of your toolkit. Get connected today!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":45577982017687,"sku":"","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/USB-To-TTL-Cable-Top-View.jpg?v=1754318573"},{"product_id":"mcp23017-i2c-16-channel-io-expansion-board","title":"MCP23017 I2C 16-Channel IO Expansion Board - 3.3V\/5V Compatible","description":"\u003cp\u003e\u003cb\u003eExpand Your Microcontroller's I\/O Capabilities with Ease!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Waveshare MCP23017 IO Expansion Board is an essential module for makers, engineers, and hobbyists looking to add more digital input\/output pins to their projects without consuming precious microcontroller pins. Based on the widely used MCP23017 chip and communicating via the efficient I2C bus, this compact board transforms just two signal pins into 16 versatile I\/O pins.\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\u003eMassive I\/O Expansion:\u003c\/b\u003e Instantly gain 16 additional digital I\/O pins from just two microcontroller pins (SDA, SCL) using the I2C interface. Perfect for projects requiring numerous sensors, LEDs, buttons, or other peripherals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eScalable Design:\u003c\/b\u003e Need even more I\/O? Daisy-chain up to 8 of these MCP23017 boards simultaneously on the same I2C bus, providing an impressive total of up to 128 additional I\/O pins!\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Voltage Compatibility:\u003c\/b\u003e Equipped with an onboard voltage translator, this board seamlessly operates with both 3.3V and 5V logic levels, making it compatible with a wide range of popular development boards like Raspberry Pi, Arduino, micro:bit, and STM32.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConfigurable I2C Address:\u003c\/b\u003e Easily set unique I2C addresses for each board by shorting the A0\/A1\/A2 jumpers, simplifying multi-module setups and avoiding address conflicts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual Connection Options:\u003c\/b\u003e Offers both a convenient PH2.0 terminal and solder pads for flexible connectivity, allowing for easy integration into your existing setups or for stacking multiple I2C modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Interrupt Pins:\u003c\/b\u003e Features INTA and INTB pins for efficient interrupt-driven applications, allowing your microcontroller to respond only when an I\/O change occurs, saving processing power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady-to-Use Resources:\u003c\/b\u003e Comes with comprehensive development resources and a detailed manual, including example code for Raspberry Pi, micro:bit, Arduino, and STM32, getting you started quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose the MCP23017 IO Expansion Board?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're building complex robotics, home automation systems, or custom embedded solutions, running out of I\/O pins is a common challenge. The MCP23017 IO Expansion Board provides a simple, reliable, and cost-effective solution to significantly boost your project's I\/O capabilities, allowing you to connect more components and unleash your creativity. Its wide compatibility and user-friendly features make it an invaluable addition to any maker's toolkit.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 3.3V \/ 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInterface:\u003c\/b\u003e I2C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpansion I\/Os:\u003c\/b\u003e 16\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInterrupt Pins:\u003c\/b\u003e INTA, INTB (for Port A and Port B changes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 38mm × 23mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Hole Size:\u003c\/b\u003e 2.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 0.011 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMCP23017 IO Expansion Board x1\u003c\/li\u003e\n\u003cli\u003ePH2.0 20cm 6Pin cable x1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":46056730427543,"sku":null,"price":89.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/mcp23017-io-board-with-cable.jpg?v=1755319434"},{"product_id":"i2c-iic-interface-expansion-shield-v1-for-arduino","title":"I2C \/ IIC Interface Expansion Shield V1 for Arduino (1-to-9 Port Hub)","description":"\u003cp data-path-to-node=\"14\"\u003e\u003cb\u003eHigh-Efficiency I2C Port Expansion for Microcontrollers\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003eAre you running out of I2C ports on your microcontroller? Most Arduino boards only provide a single I2C interface, making it difficult and messy to connect multiple sensors, displays, or modules simultaneously.\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003eThe \u003cb\u003eKeyes I2C Shield V1\u003c\/b\u003e solves this problem instantly. This dedicated expansion board turns your single I2C port into \u003cb\u003e10 accessible interfaces\u003c\/b\u003e (utilizing standard 2.54mm 4-pin headers). It allows your microcontroller to communicate with up to 9 different sensor modules at the same time without complex wiring.\u003c\/p\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003e\n\u003cb\u003ePlug-and-Play:\u003c\/b\u003e Dedicated 4-pin headers (VCC, GND, SDA, SCL) make connecting I2C devices simple.\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,1,0\"\u003e\n\u003cb\u003eClean Wiring:\u003c\/b\u003e Eliminates breadboard clutter when using multiple I2C devices like LCDs, OLEDs, and sensors.\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,2,0\"\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Ideal for Arduino Uno, Mega, and other MCUs requiring I2C expansion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"18\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"19,0,0\"\u003e\n\u003cb\u003eWorking Voltage:\u003c\/b\u003e DC 5V\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003e\n\u003cb\u003eCommunication Protocol:\u003c\/b\u003e I2C \/ IIC\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003e\n\u003cb\u003ePin Pitch:\u003c\/b\u003e 2.54mm (Standard)\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 50 x 40 x 12 mm\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,4,0\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 9.2g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46292295188631,"sku":"21PS002292","price":19.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/keyes-i2c-shield-v1-arduino-hub.jpg?v=1763702607"},{"product_id":"360-ir-transceiver-module-38khz-infrared-transmitter-receiver","title":"360° IR Transceiver Module: 38kHz Infrared Transmitter \u0026 Receiver Board","description":"\u003cp data-path-to-node=\"6\"\u003eUnlock full control over your infrared devices with this \u003cb\u003e360° Infrared Transceiver Module\u003c\/b\u003e. Unlike standard directional sensors, this board features a unique 4-LED array arranged in a circular pattern, ensuring omnidirectional signal transmission with absolutely no blind spots. Whether you are building a smart home hub, a robot, or a universal remote clone, this module allows your microcontroller to \"talk\" to appliances in any direction.\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\u003e360° Omnidirectional Coverage:\u003c\/b\u003e Equipped with 4 infrared transmitting tubes positioned at the corners, guaranteeing signal emission in all directions without dead angles.\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,1,0\"\u003e\n\u003cb\u003eDual Functionality (TX\/RX):\u003c\/b\u003e Capable of both transmitting commands and receiving signals from existing remotes (learning mode).\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,2,0\"\u003e\n\u003cb\u003eStandard Compatibility:\u003c\/b\u003e Supports the common \u003cb\u003e38kHz carrier frequency\u003c\/b\u003e, making it compatible with 95% of household appliances (TVs, Air Conditioners, Fans).\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,3,0\"\u003e\n\u003cb\u003eEasy Integration:\u003c\/b\u003e Designed for seamless communication with single-chip microcontrollers (Arduino, ESP32, Raspberry Pi, etc.).\u003c\/li\u003e\n\u003cli data-path-to-node=\"8,4,0\"\u003e\n\u003cb\u003eUser-Friendly Design:\u003c\/b\u003e Features rounded PCB edges to prevent cuts and pre-drilled mounting holes for secure installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb\u003eType:\u003c\/b\u003e IR External Transmitter and Receiver Module\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb\u003eFrequency:\u003c\/b\u003e 38kHz\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,2,0\"\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 3.3V - 5V (Standard logic levels)\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,3,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Compact footprint for embedded projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e1 x 360° Infrared Transceiver Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46359927718039,"sku":"21PS002444","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/360-degree-ir-transmitter-receiver-module.jpg?v=1764843527"},{"product_id":"cp2112-usb-c-to-smbus-i2c-communication-module","title":"CP2112 USB-C to SMBus\/I2C Communication Module | Debugging Board","description":"\u003ch2 data-path-to-node=\"9\"\u003eEffortless USB-to-I2C Bridging for Developers\u003c\/h2\u003e\n\u003cp data-path-to-node=\"10\"\u003eStop wasting time writing microcontroller firmware just to test a sensor. The \u003cb data-path-to-node=\"10\" data-index-in-node=\"78\"\u003eCP2112 USB to SMBus\/I2C Communication Module\u003c\/b\u003e acts as a direct bridge between your computer (Windows, Mac, or Linux) and your target I2C\/SMBus devices. Whether you are an engineer debugging a new PCB or a hobbyist reading data from an environmental sensor, this tool provides immediate access via a robust \u003cb data-path-to-node=\"10\" data-index-in-node=\"383\"\u003eUSB Type-C connection\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003ePlug-and-Play HID Architecture\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eUnlike older bridges that require messy custom drivers, the CP2112 utilizes the standard USB HID (Human Interface Device) class. This means \u003cb data-path-to-node=\"12\" data-index-in-node=\"140\"\u003enative support\u003c\/b\u003e on most operating systems. Simply plug it in, use the available libraries (Silicon Labs API), and start sending I2C commands immediately.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003ePowerful Connectivity \u0026amp; GPIO Control\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThis module is built around the highly integrated Silicon Labs CP2112 controller. Beyond simple communication, it offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003e8 Configurable GPIOs:\u003c\/b\u003e Can be set as Input\/Output, Open-Drain\/Push-Pull, or for special functions like clock output (48MHz to 94kHz).\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eNo Firmware Required:\u003c\/b\u003e All customization is handled through a simple GUI-based configurator on your PC.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eRobust Design:\u003c\/b\u003e Features on-chip voltage regulation and protection, making it safe for your connected devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eIdeal for Sensor Calibration\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003ePerfect for working with modules like the CCS811 (Air Quality), BME280, or EEPROMs. The board enables you to read registers and calibrate settings directly from your desktop environment before integrating the sensor into your final microcontroller project.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46545391255703,"sku":"21PS002290","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/cp2112-usb-c-to-i2c-module-front-view.jpg?v=1767933606"},{"product_id":"tlp281-4-channel-opto-isolator-module","title":"TLP281 4-Channel Opto-isolator Module | Signal Isolation for Arduino","description":"\u003ch2 data-path-to-node=\"8\"\u003e\n\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eSecure Your Signals: The Ultimate Noise Barrier for Microcontrollers\u003c\/b\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eBuilding a robotics project or an industrial control system? Connecting 3.3V or 5V logic microcontrollers (like Arduino, ESP32, or Raspberry Pi) directly to high-voltage components carries a risk. Motor noise, voltage spikes, and electromagnetic interference (EMI) can crash your processor or permanently damage your board.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eThe \u003cb data-path-to-node=\"10\" data-index-in-node=\"4\"\u003eTLP281 4-Channel Opto-isolator Module\u003c\/b\u003e is your safety net. It uses light signals—rather than direct electrical connections—to transfer data between two isolated circuits. This effectively \"air-gaps\" your sensitive processor from the noisy, high-voltage side (up to 24V).\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eLogic Correction Built-In\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eStandard opto-isolators often invert your signal (High becomes Low), forcing you to rewrite your code. This module solves that pain point. It includes discrete transistors to \u003cb data-path-to-node=\"11\" data-index-in-node=\"204\"\u003eautomatically correct the logic inversion\u003c\/b\u003e. If you send a \u003cb data-path-to-node=\"11\" data-index-in-node=\"261\"\u003eHIGH\u003c\/b\u003e signal to the input, you get a \u003cb data-path-to-node=\"11\" data-index-in-node=\"297\"\u003eHIGH\u003c\/b\u003e signal at the output—just at a higher voltage capability.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eWhy You Need This Module:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eVoltage Level Shifting:\u003c\/b\u003e Safely control 12V or 24V devices using a 3.3V or 5V microcontroller.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eNoise Elimination:\u003c\/b\u003e Perfect for preventing motor interference from resetting your Arduino.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eSimple Integration:\u003c\/b\u003e Compact design fits easily into custom PCBs or breadboard prototypes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46812932604055,"sku":"21PS001952","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/tlp281-4-channel-opto-isolator-top-view.jpg?v=1768389609"},{"product_id":"pn532-nfc-rfid-module-v3-kit","title":"PN532 NFC RFID Module V3 Kit for Arduino \u0026 Raspberry Pi | I2C SPI HSU","description":"\u003ch2 data-path-to-node=\"8\"\u003eProfessional NFC Integration Made Simple\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe \u003cb data-path-to-node=\"9\" data-index-in-node=\"4\"\u003ePN532 NFC Module V3\u003c\/b\u003e is a highly integrated transmission module for near-field communication at 13.56MHz. Built on the industry-leading PN532 chip, this version 3 module offers superior stability and range compared to earlier iterations. It is the perfect bridge between your microcontroller (like Arduino, Raspberry Pi, or ESP32) and the world of RFID.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eVersatile Communication for Any Architecture\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eOne of the standout features of this module is its \u003cb data-path-to-node=\"11\" data-index-in-node=\"51\"\u003etriple-interface support\u003c\/b\u003e. Using the onboard toggle switches, you can easily switch between:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eI2C \u0026amp; UART (HSU):\u003c\/b\u003e Standard 5V TTL levels for easy plug-and-play.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eSPI:\u003c\/b\u003e 3.3V TTL for high-speed data transfer requirements. This flexibility ensures that regardless of your system architecture, the PN532 can be embedded without complex level-shifting or hardware workarounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eReliable Range and High Compatibility\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eEquipped with a \u003cb data-path-to-node=\"14\" data-index-in-node=\"16\"\u003egilt PCB and a built-in antenna\u003c\/b\u003e, the module achieves a stable reading distance of \u003cb data-path-to-node=\"14\" data-index-in-node=\"98\"\u003e5cm to 7cm\u003c\/b\u003e. It supports a wide array of protocols, including ISO\/IEC 14443-A\/B and FeliCa. From standard Mifare 1k\/4k cards to advanced DesFire tags, this module handles them all with precision.\u003c\/p\u003e\n\u003cblockquote data-path-to-node=\"15\"\u003e\n\u003cp data-path-to-node=\"15,0\"\u003e\u003cb data-path-to-node=\"15,0\" data-index-in-node=\"0\"\u003eImportant Usage Note:\u003c\/b\u003e This is an \u003cb data-path-to-node=\"15,0\" data-index-in-node=\"33\"\u003eIC Card Reader (13.56MHz)\u003c\/b\u003e specifically designed for IC tags. It is not compatible with ID cards (125kHz) or CPU simulation. Please ensure correct wiring polarity to avoid damaging the circuitry.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46826116776087,"sku":"21ST000555","price":68.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/pn532-nfc-rfid-module-v3-arduino-kit.jpg?v=1768542322"},{"product_id":"txs0108e-8-channel-module","title":"TXS0108E 8-Channel Bi-Directional Logic Level Converter Module","description":"\u003ch2 data-path-to-node=\"9\"\u003eHigh-Speed Performance for Modern Electronics\u003c\/h2\u003e\n\u003cp data-path-to-node=\"10\"\u003eIn the world of DIY electronics and industrial prototyping, voltage mismatch is a common hurdle. Most modern sensors and SD cards operate at 3.3V, while many traditional microcontrollers still use 5V. The \u003cb data-path-to-node=\"10\" data-index-in-node=\"205\"\u003eTXS0108E module\u003c\/b\u003e provides a robust, 8-bit solution to this problem. Unlike cheaper alternatives, this module supports \u003cb data-path-to-node=\"10\" data-index-in-node=\"322\"\u003ehigh-speed full-duplex communication\u003c\/b\u003e, making it ideal for timing-sensitive protocols like \u003cb data-path-to-node=\"10\" data-index-in-node=\"412\"\u003eSPI, I2C, and UART\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eWhy Choose the TXS0108E?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eThe core strength of the TXS0108E lies in its \u003cb data-path-to-node=\"12\" data-index-in-node=\"46\"\u003eauto-direction sensing\u003c\/b\u003e capability. You don't need to set a direction pin to tell the module which way the data is flowing; it detects it automatically. This reduces wiring complexity and frees up valuable I\/O ports on your microcontroller.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eVersatile Voltage Compatibility\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThis module is designed for flexibility. Port A handles lower voltages (\u003cspan class=\"math-inline\" data-math=\"1.2V\" data-index-in-node=\"72\"\u003e1.2V\u003c\/span\u003e to \u003cspan class=\"math-inline\" data-math=\"3.6V\" data-index-in-node=\"80\"\u003e3.6V\u003c\/span\u003e), while Port B manages higher voltages (\u003cspan class=\"math-inline\" data-math=\"1.65V\" data-index-in-node=\"125\"\u003e1.65V\u003c\/span\u003e to \u003cspan class=\"math-inline\" data-math=\"5.5V\" data-index-in-node=\"134\"\u003e5.5V\u003c\/span\u003e). This wide range makes it compatible with almost any combination of logic levels found in consumer and industrial electronics today.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46830024622231,"sku":"21PS002616","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/txs0108e-8-channel-logic-level-converter-module.jpg?v=1768796950"},{"product_id":"125khz-rfid-reader-module-5v","title":"125KHz RFID Reader Module (5V) – Standalone DIY Access Control Kit","description":"\u003ch2 data-path-to-node=\"8\"\u003eSimplify Your Security Projects with the YS-RFID2\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eAre you looking to add keycard security to your project but don't want to write hundreds of lines of code? The \u003cb data-path-to-node=\"9\" data-index-in-node=\"111\"\u003eYS-RFID2 125KHz RFID Module\u003c\/b\u003e is the ultimate \"set-and-forget\" solution for makers and technicians.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eUnlike standard RFID readers that require a microcontroller (like an Arduino) to process data, this \u003cb data-path-to-node=\"10\" data-index-in-node=\"100\"\u003eintelligent standalone module\u003c\/b\u003e handles everything on-board. It features a built-in microcontroller (STC15) that memorizes card IDs, meaning it works independently once powered up.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eHow It Solves Your Problem\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eNo Programming Needed:\u003c\/b\u003e Features a simple \"KEY\" button on the board. Press it to register a card; long-press to wipe the memory. It’s that easy.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eDirect Control:\u003c\/b\u003e When a registered card is swiped, the \u003ccode data-path-to-node=\"12,1,0\" data-index-in-node=\"54\"\u003eOUT\u003c\/code\u003e pin sends a High-Level (4.3V) signal. You can connect this directly to a Relay Module to unlock a door, turn on a light, or activate a motor.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,2,0\"\u003e\n\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eVersatile Application:\u003c\/b\u003e While it works great standalone, advanced users can modify the solder pads to change modes (Toggle Mode\/Self-Lock or 10-Second Delay), making it adaptable for any scenario.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eProfessional Grade Reliability\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eBuilt with a TI LM258 chip and a strong anti-interference MCU, this module offers stable reading distances of up to 3cm (depending on card size). Whether you are retrofitting a garage door, building a secure storage box, or teaching students about RF technology, this module delivers consistent performance.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46830605893783,"sku":"21PS002591","price":38.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/125khz-rfid-reader-module-ys-rfid2.jpg?v=1768819818"},{"product_id":"rc522-mini-rfid-nfc-reader-writer-module","title":"RC522 Mini RFID\/NFC Reader Writer Module (13.56 MHz) for Arduino","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8\"\u003eBig Performance in a Tiny Footprint: The RC522 Mini\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eFor developers and hobbyists building the next generation of IoT devices or secure access systems, space is often a luxury. The \u003cb data-index-in-node=\"128\" data-path-to-node=\"9\"\u003eRC522 Mini Version RFID Module\u003c\/b\u003e solves the bulk issue of traditional readers. Engineered with the robust NXP MFRC522 chip, this module delivers reliable Near Field Communication (NFC) and RFID capabilities in a form factor nearly half the size of standard boards.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSeamless Embedded Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhether you are prototyping a smart drawer lock with an Arduino Nano or building a complex attendance system with an STM32, this module is designed for versatility. It operates on the highly stable 13.56MHz band (ISO\/IEC 14443A standard), ensuring compatibility with widely available MIFARE Classic 1K cards and tags.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eWhy Choose the Mini Version?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,0,0\"\u003eSpace-Saving Design:\u003c\/b\u003e At approximately \u003cspan data-index-in-node=\"38\" data-math=\"25\\text{mm} \\times 37\\text{mm}\" class=\"math-inline\"\u003e25mm x 37mm\u003c\/span\u003e, it fits into enclosures where standard readers cannot.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0\"\u003eStable Communication:\u003c\/b\u003e Utilizing the SPI interface ensures high-speed data transfer (\u003cspan data-index-in-node=\"84\" data-math=\"10\\text{ Mbit\/s}\" class=\"math-inline\"\u003e10Mbit\/s}\u003c\/span\u003e max), crucial for quick card scanning and authentication processes.\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0\"\u003eLow Power Consumption:\u003c\/b\u003e Optimized for battery-operated portable devices, drawing minimal current during standby.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eReady for STEM \u0026amp; DIY\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt Sun Cheong Computer, we recommend this module for STEM education and DIY electronics. It allows students and makers to understand the fundamentals of Radio Frequency Identification (RFID) through hands-on coding. The kit comes complete with headers, a blank S50 card, and a keychain tag, so you can start coding immediately.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46831673966743,"sku":"21PS001441-MINI","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/rc522-mini-rfid-module-kit-arduino.jpg?v=1768886983"},{"product_id":"2-4ghz-wifi-antenna-kit","title":"2.4GHz WiFi Antenna Kit (\u003e2.5dBi) with IPEX to SMA Pigtail Cable (15cm)","description":"\u003ch2 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eMaximize Your Wireless Range and Stability\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eAre you struggling with weak Wi-Fi signals on your DIY electronics projects or development boards? The onboard ceramic antennas found on many modules often lack the range and penetration power needed for robust applications. This \u003cb data-path-to-node=\"9\" data-index-in-node=\"230\"\u003e2.4GHz WiFi Antenna Kit\u003c\/b\u003e is the perfect solution to boost signal quality, reduce packet loss, and ensure your data gets where it needs to go.\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\"\u003eEngineered for Makers and Engineers\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eThis kit includes everything you need to upgrade your hardware. It features a high-performance omni-directional antenna paired with a precision-engineered IPEX (U.FL) to SMA female pigtail cable. It is specifically designed for the 2400-2500 MHz frequency band, making it universally compatible with standard Wi-Fi and Bluetooth protocols.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eFlexible Design for Real-World Application\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eThe antenna features a 90-degree folding design, allowing you to orient it for optimal signal polarization regardless of how your device is mounted. Whether you are building a smart home sensor, a remote camera, or a custom drone controller, this antenna ensures your connection remains solid even in challenging environments.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eWhy Choose This Kit?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003ePlug \u0026amp; Play:\u003c\/b\u003e The standard IPEX connector snaps directly onto most modern wireless modules (like ESP32-WROOM-32U).\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eEnhanced Gain:\u003c\/b\u003e With \u0026gt;2.5dBi gain, it offers significantly better performance than internal PCB antennas.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eDurable Build:\u003c\/b\u003e Made with high-quality ABS and copper elements for long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46843601551511,"sku":"21PS001549","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/2-4ghz-wifi-antenna-ipex-cable-kit.jpg?v=1769522945"},{"product_id":"hc-usb-t-ttl-adapter-board","title":"HC-USB-T USB to TTL Adapter Board | Bluetooth Module AT Command Test","description":"\u003ch2 data-path-to-node=\"6\"\u003eEffortless Bluetooth Module Configuration\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eTesting and configuring wireless modules shouldn't be a bottleneck in your development process. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"100\"\u003eHC-USB-T USB to TTL Adapter Board\u003c\/b\u003e serves as a direct, reliable bridge between your PC and your Bluetooth modules. By providing a stable serial interface, it allows developers to quickly modify baud rates, change broadcast names, and pair devices with absolute precision.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"8\"\u003ePlug-and-Play Efficiency\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eSay goodbye to complicated driver installations and unstable connections. This test rack utilizes a reliable STM32-based architecture to ensure consistent data transmission. Simply connect your module, plug the provided Micro-USB cable into your computer, and open your preferred HID serial assistant to start sending AT commands immediately.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"10\"\u003eDesigned for Precision and Durability\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11\"\u003eBuilt for both the hobbyist's workbench and the professional engineering lab, the HC-USB-T features clearly labeled header pins (KEY, 3V3, GND, RXD, TXD, STA) designed for standard cross-serial connection (UART). Its compact 22mm x 46mm footprint ensures it easily fits into your toolkit, making it the perfect companion for on-the-go troubleshooting and rapid prototyping.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46945699823767,"sku":"21PS002025","price":59.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/hc-usb-t-ttl-adapter-board-main.jpg?v=1772170297"},{"product_id":"13-56mhz-usb-rfid-ic-card-reader","title":"13.56MHz USB RFID IC Card Reader | Plug \u0026 Play Smart Sensor","description":"\u003ch2 data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"28\"\u003eInstant Access Control, Zero Frustration\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"4\"\u003eManual data entry and slow card scanning create bottlenecks in fast-paced environments. Whether you are managing an enterprise office, running a busy retail checkout, or building a custom access system, you need hardware that works flawlessly out of the box. This 13.56MHz USB RFID IC Card Reader delivers rapid, error-free identification to keep your operations moving.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eBuilt for Speed and Reliability\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003eTime is money. With a built-in highly sensitive antenna, this reader captures IC (14443A\/B) cards from up to 60mm away in less than 100 milliseconds. The integrated diagnostic LED and buzzer provide instant visual and audio feedback, ensuring users know exactly when a card is successfully scanned.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eTrue Plug \u0026amp; Play Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eSay goodbye to complicated software installations. Utilizing a standard USB interface, this scanner emulates a keyboard stroke. Simply plug it into your Windows, Mac, or Linux workstation, and it immediately outputs the card's serial number to wherever your cursor is resting. It is a favored choice for engineering procurement teams needing stable deployments and STEM educators integrating smart tech into Arduino or Raspberry Pi environments.\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\"\u003eCompact, Durable, and Professional\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eHoused in a sleek, scratch-resistant black casing with anti-slip bottom pads, it stays firmly planted on any desk or reception counter. Its compact footprint ensures it blends professionally into any corporate or retail setting without taking up valuable workspace.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47616517079191,"sku":"21TS001146","price":99.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/13-56mhz-usb-rfid-ic-card-reader-front.jpg?v=1775119407"},{"product_id":"433mhz-internal-fpc-antenna-ipex","title":"433MHz Internal FPC High Gain Antenna with IPEX Connector | RF Aerial","description":"\u003ch2 data-path-to-node=\"5\"\u003eUnwavering Signal Strength for Your 433MHz Projects\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eAre dropped signals and limited range bottlenecking your latest hardware build? When building IoT devices or wireless sensors, a weak internal antenna can ruin an otherwise perfect project. Our \u003cb data-path-to-node=\"6\" data-index-in-node=\"194\"\u003e433MHz FPC High Gain Antenna\u003c\/b\u003e is specifically tuned to maximize radio frequency transmission, extending your operational range and stabilizing your data packets. Whether you are controlling a garage door or building a long-range weather station, reliable communication is now within reach.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eCompact Design Meets High Performance\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eSpace is always a premium in custom enclosures. Measuring just \u003cb data-path-to-node=\"8\" data-index-in-node=\"63\"\u003e4cm x 1.5cm\u003c\/b\u003e, this ultra-thin Flexible Printed Circuit (FPC) antenna slides seamlessly into the tightest housings. Despite its small footprint, it delivers exceptional signal gain, outperforming standard rigid PCB antennas and bulky external aerials.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"9\"\u003ePlug-and-Play Integration\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eWe know that assembly time matters. That's why this antenna features an industry-standard \u003cb data-path-to-node=\"10\" data-index-in-node=\"90\"\u003eIPEX (U.FL compatible) connector\u003c\/b\u003e attached to a flexible, low-loss \u003cb data-path-to-node=\"10\" data-index-in-node=\"156\"\u003e7cm RG1.13 coaxial cable\u003c\/b\u003e. It snaps securely onto your mainboard with zero soldering required. Furthermore, the industrial-grade \u003cb data-path-to-node=\"10\" data-index-in-node=\"284\"\u003e3M 300LSE adhesive backing\u003c\/b\u003e ensures a permanent, vibration-resistant mount against any plastic enclosure inner wall.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47657752821911,"sku":"21TS001803","price":11.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/433mhz-fpc-antenna-ipex-connector-main.jpg?v=1775809131"},{"product_id":"txb0104-4-bit-bidirectional-voltage-level-translator","title":"TXB0104 4-Bit Bidirectional Voltage Level Translator Module | WCMCU-401","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSeamless Logic Level Conversion for Your Electronics Projects\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eWhen connecting sensors, displays, or microcontrollers that operate on different logic voltages, direct wiring can lead to damaged components or corrupted data. The\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTXB0104 Voltage Level Converter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eacts as a secure bridge, allowing varying voltage systems to communicate flawlessly. Whether you are interfacing a 1.8V system controller with a 3.3V sensor, this module ensures your signals are translated accurately and safely.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eAutomatic Direction Sensing Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSay goodbye to complex wiring and dedicated direction control pins. The standout feature of the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTXB0104 WCMCU-401\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eis its\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eautomatic direction sensing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003ecapability. The module intelligently detects the direction of the data flow on its 4 bidirectional channels and adjusts automatically. This not only saves valuable GPIO pins on your microcontroller but also drastically simplifies your code and circuit design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHigh-Speed Data Transfer in a Compact Footprint\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePerformance matters in integrated circuits. Designed for\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ehigh-speed data transfer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, this level shifter ensures that your system experiences zero bottlenecks during rapid communication protocols. Measuring just\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e18.8mm x 16.5mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, this ultra-compact module easily integrates into space-constrained enclosures or crowded breadboards, making it an essential tool for any modern electronic application.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47836159574167,"sku":"21PS001792","price":24.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/txb0104-4-bit-voltage-level-translator-module-top.jpg?v=1779268317"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/collections\/communication-modules-collection.png?v=1776351643","url":"https:\/\/scccltd.com\/collections\/communication-modules.oembed","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}