{"title":"M5Stack Chain Series","description":"\u003cp\u003eBuilt around plug-together modules that expand sideways, the \u003ca title=\"M5Stack Store\" href=\"\/collections\/m5stack-store\"\u003eM5Stack\u003c\/a\u003e \u003cstrong\u003eChain Series\u003c\/strong\u003e is suited to compact control panels, custom interfaces and quick hardware builds.\u003c\/p\u003e\n\u003cp\u003eThe platform uses a UART daisy-chain design with one master and multiple nodes, making it easy to add buttons, knobs, sensors and connectors in a neat, modular layout.\u003c\/p\u003e\n\u003cp\u003eCore products in the M5Stack Chain Series include the \u003ca title=\"Chain Dual Key with ESP32-S3\" href=\"\/products\/chain-dual-key-with-esp32-s3\"\u003eChain Dual Key\u003c\/a\u003e, \u003ca title=\"Chain Joystick\" href=\"\/products\/chain-joystick\"\u003eChain Joystick\u003c\/a\u003e and \u003ca href=\"\/products\/chain-encoder\" title=\"Chain Encoder\"\u003eChain Encoder\u003c\/a\u003e, alongside a broader range of sensor and connector modules built around the same system.\u003c\/p\u003e\n\u003cp\u003eAvailable from The Pi Hut in the UK, with next-day delivery options.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"chain-dual-key-with-esp32-s3","title":"Chain Dual Key with ESP32-S3","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe M5Stack Chain Dual Key is a dual-key ESP32-S3 board with hot-swappable switches, RGB LEDs, USB\/BLE HID support and expansion ports — ideal for macro keyboards, smart home control and custom input projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003ca title=\"M5Stack Products\" href=\"\/collections\/m5stack\"\u003eM5Stack\u003c\/a\u003e Chain Dual Key is a programmable dual-key input development board built around the ESP32-S3FN8 main controller. It features two hot-swappable blue-switch mechanical keys and two programmable RGB LEDs on the front, giving responsive tactile and visual feedback. A built-in 350mAh lithium battery, paired with a low-power design, provides solid battery life.\u003c\/p\u003e\n\u003cp\u003eThe board ships with Chain macro keyboard firmware and supports both \u003ca title=\"USB Cables\" href=\"\/collections\/usb-cables\"\u003eUSB\u003c\/a\u003e and BLE connections, allowing it to function as a HID input device. After powering it on, you can connect to its AP hotspot and use the built-in web interface to configure HID mappings for the device itself or for expansion nodes, enabling a wide range of custom control functions.\u003c\/p\u003e\n\u003cp\u003eAs part of the M5Stack Chain series, the Dual Key includes two HY2.0-4P expansion ports, supporting lateral expansion with additional sensors or modules. With the ESP32-S3’s built-in USB-OTG capability, it’s well suited for \u003ca title=\"Home Automation Store\" href=\"\/collections\/home-automation-store\"\u003esmart home\u003c\/a\u003e control, keyboard peripherals, macro keyboards and other interactive projects.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/63Klj9eTh8Y?si=yZt7wDjuSZ4GVHPw\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eLithium Battery Shipping:\u003c\/strong\u003e\u003c\/span\u003e Due to courier restrictions, this product can only be shipped within the United Kingdom. With this item in your cart, your shipping options will be limited and may cost more than our usual rates. \u003ca href=\"https:\/\/thepihut.com\/pages\/lithium-shipping\" target=\"_blank\"\u003eWhy?\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eESP32-S3FN8 main control chip\u003c\/li\u003e\n\u003cli\u003eBuilt-in 350mAh lithium battery\u003c\/li\u003e\n\u003cli\u003e2 programmable RGB LEDs\u003c\/li\u003e\n\u003cli\u003e2 hot-swappable blue switch keys\u003c\/li\u003e\n\u003cli\u003eM5Stack Chain series expandable design\u003c\/li\u003e\n\u003cli\u003eLEGO-compatible holes on the back\u003c\/li\u003e\n\u003cli\u003eLanyard design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32-S3FN8 @ Dual-core Xtensa LX7 processor, with a main frequency up to 240MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB: DC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350mAh lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x WS2812B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 ~ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower-off mode (VBAT): DC 4.2V@8.97uA\u003cbr\u003eDeep sleep mode (VBAT): DC 4.2V@107.64uA\u003cbr\u003eUSB 5V power (no battery): DC 5V@41.7mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47.9 x 34.3 x 23.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.7g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"Documents\" rel=\"noopener\" href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_DualKey\" target=\"_blank\"\u003eDocuments and schematics\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Chain Dual Key\u003c\/li\u003e\n\u003cli\u003e1x Keycap Sticker\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55024457449857,"sku":"C147","price":15.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-dual-key-with-esp32-s3-m5stack-c147-1209062057.jpg?v=1764255427"},{"product_id":"chain-joystick","title":"Chain Joystick","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Chain Joystick is a high-precision Hall effect joystick module with X\/Y analogue input, Z-axis key input, RGB status LED and Chain-series expansion support — ideal for robot control and interactive projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe Chain Joystick is a high-precision Hall effect joystick input node in the \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain series. It supports three-axis control, with analogue input on the X and Y axes and a digital key input on the Z axis. By using a Hall effect joystick to detect changes in magnetic fields, it delivers accurate, responsive control without physical contact.\u003c\/p\u003e\n\u003cp\u003eThis non-contact design provides excellent wear resistance, high accuracy and strong immunity to interference, helping ensure stable performance and a long service life. A programmable RGB \u003ca href=\"\/collections\/adafruit-leds\" title=\"LEDs\"\u003eLED\u003c\/a\u003e is also built in, allowing clear status indication and interactive visual feedback.\u003c\/p\u003e\n\u003cp\u003eThe Chain Joystick is well suited to applications such as human–machine interfaces, robot control, and other interactive control systems.\u003c\/p\u003e\n\u003cp\u003eAt its core, the device integrates an STM32G031G8U6 microcontroller and uses a UART-based serial cascading communication protocol. With two HY2.0-4P expansion ports, it can be easily connected to other Chain series modules, making it simple to build more complex and feature-rich interactive setups.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/eHHHjhzIBTM?si=d0mt0LgJrRNj9JZT\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM5Stack Chain series\u003c\/li\u003e\n\u003cli\u003eHigh-precision Hall effect joystick\u003c\/li\u003e\n\u003cli\u003eSTM32G031G8U6 core controller\u003c\/li\u003e\n\u003cli\u003eX\/Y\/Z three-axis input\u003c\/li\u003e\n\u003cli\u003e1x RGB LED\u003c\/li\u003e\n\u003cli\u003eUART serial cascading communication protocol\u003c\/li\u003e\n\u003cli\u003e2x HY2.0-4P expansion interfaces supporting Chain series extensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 189px;\" height=\"235\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003eSTM32G031G8U6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003eDC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003eUART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003e2x HY2.0-4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003e1x WS2812C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eOperating Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003e25.4mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.4583px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 21.4583px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 21.4583px;\"\u003e0 ~ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38.7917px;\"\u003e\n\u003ctd style=\"width: 60.8204%; height: 38.7917px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.8823%; height: 38.7917px;\"\u003e\n\u003cp\u003e23.9 x 23.9 x 30.4mm\u003c\/p\u003e\n\u003cp\u003e8.6g\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_Joystick\" rel=\"noopener\" title=\"Documents\" target=\"_blank\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Chain Joystick\u003c\/li\u003e\n\u003cli\u003e1 x Chain Bridge\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55122131452289,"sku":"U205","price":7.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-joystick-m5stack-u205-1212956387.jpg?v=1766509632"},{"product_id":"chain-mechanical-key-button","title":"Chain Mechanical Key Button","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Chain Key is a single-button M5Stack Chain input module with a hot-swappable blue mechanical switch, RGB status LED and UART chaining — ideal for smart home controls and interactive projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe Chain Key is a compact single-button input node in the \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain series, designed for simple and reliable user input. It uses a hot-swappable mechanical keyboard switch with a blue tactile key, delivering clear feedback during operation. A programmable RGB \u003ca href=\"\/collections\/adafruit-leds\" title=\"LEDs\"\u003eLED\u003c\/a\u003e is also built in, allowing visual status indication or interactive lighting effects.\u003c\/p\u003e\n\u003cp\u003eAt its core, the Chain Key integrates an STM32G031G8U6 microcontroller and communicates using a UART-based serial cascading protocol. With two HY2.0-4P expansion ports, it can be easily linked with other Chain series modules to build more advanced and interactive systems. This makes it well suited to human–machine interfaces, \u003ca href=\"\/collections\/home-automation-store\" title=\"Home Automation Store\"\u003esmart home\u003c\/a\u003e controls, and other input-driven applications.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/pPNE2FIrDk4?si=DnYf7D9HTCIkrTOn\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM5Stack Chain series\u003c\/li\u003e\n\u003cli\u003eSingle button input\u003c\/li\u003e\n\u003cli\u003eSTM32G031G8U6 core MCU\u003c\/li\u003e\n\u003cli\u003eHot-swappable mechanical keyboard blue switch\u003c\/li\u003e\n\u003cli\u003e2x RGB LED\u003c\/li\u003e\n\u003cli\u003eUses UART cascading communication protocol\u003c\/li\u003e\n\u003cli\u003e2x HY2.0-4P expansion interfaces to extend Chain series devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTM32G031G8U6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Spec\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x HY2.0-4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x WS2812B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28.24mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 ~ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.9 x 23.9 x 34.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.1g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_Key\" rel=\"noopener\" title=\"Documents\" target=\"_blank\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Chain Key\u003c\/li\u003e\n\u003cli\u003e1 x Chain Bridge\u003c\/li\u003e\n\u003cli\u003e1 x Keycap Sticker\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55122227954049,"sku":"U206","price":6.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-mechanical-key-button-m5stack-u206-1212956377.jpg?v=1766509030"},{"product_id":"chain-encoder","title":"Chain Encoder","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Chain Encoder is a Chain-series rotary encoder module with direction detection, pulse counting, push-button input and an RGB status LED. It supports UART daisy-chaining via dual HY2.0-4P ports and includes LEGO-compatible mounting holes.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eThe Chain Encoder is a rotary encoder input node in the \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain series, designed for reliable dial-based control in interactive projects. It includes an internal AB rotary encoder, supporting rotation direction detection and pulse counting, and the centre of the knob also works as a push-button input. A programmable RGB \u003ca href=\"\/collections\/adafruit-leds\" title=\"LEDs\"\u003eLED\u003c\/a\u003e is built in for clear status indication and visual feedback.\u003c\/p\u003e \u003cp\u003eFor more flexible builds, the encoder cap includes LEGO-compatible mounting holes, making it easy to integrate into creative structures or modular enclosures. It’s a good fit for applications such as human–machine interaction, control panels, and \u003ca href=\"\/collections\/home-automation-store\" title=\"Home Automation Store\"\u003esmart home\u003c\/a\u003e control.\u003c\/p\u003e \u003cp\u003eThe Chain Encoder is powered by an STM32G031G8U6 controller and communicates using a UART serial daisy-chain protocol. With two HY2.0-4P expansion ports, you can connect additional Chain series modules to build more complex and feature-rich interactive systems.\u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/udA9Ld74-aU?si=vWD3mxUZX3dEFKwz\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eM5Stack Chain series\u003c\/li\u003e \u003cli\u003eAB rotary encoder\u003c\/li\u003e \u003cli\u003eButton input\u003c\/li\u003e \u003cli\u003eSTM32G031G8U6 core controller\u003c\/li\u003e \u003cli\u003e1 x RGB LED\u003c\/li\u003e \u003cli\u003eLEGO-compatible mounting structure\u003c\/li\u003e \u003cli\u003eUses UART serial daisy-chain communication protocol\u003c\/li\u003e \u003cli\u003e2 x HY2.0-4P expansion interfaces for Chain series device expansion\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSTM32G031G8U6\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eDC 5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eUART 115200bps@8N1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2 x HY2.0-4P\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1 x WS2812B\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRGB On Power\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e22.51mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0 ~ 40°C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e23.9 x 23.9 x 29.8mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e10.0g\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_Encoder\" target=\"_blank\" rel=\"noopener\" title=\"Documents\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x Chain Encoder\u003c\/li\u003e \u003cli\u003e1x Chain Bridge\u003c\/li\u003e \u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55158667575681,"sku":"U207","price":5.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-encoder-m5stack-u207-1215949870.jpg?v=1767963611"},{"product_id":"chain-mount-brick-with-chain-bridge","title":"Chain Mount Brick with Chain Bridge","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Chain Mount adds LEGO-compatible mounting to M5Stack Chain builds, with two pass-through HY2.0-4P ports for seamless daisy-chaining. It extends your structure without affecting module functions, ideal for DIY interactive projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eThe Chain Mount is a structural expansion node in the \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain series, designed to make building and mounting Chain projects easier. Its front panel includes two LEGO-compatible mounting holes, allowing you to attach structural parts and extend your setup with simple, modular connections.\u003c\/p\u003e \u003cp\u003eInside, the PCB is pre-soldered with two HY2.0-4P interfaces that are directly connected, enabling straightforward daisy-chaining with other Chain series devices. This pass-through design means you can add structural mounting support without changing the original functions of your connected modules, while giving you more flexibility for DIY builds and expanded interactive projects.\u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/nGjY4AC185c?si=bGKHvccVikMRWDs8\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eLEGO-compatible mounting hole design\u003c\/li\u003e \u003cli\u003eM5Stack Chain series\u003c\/li\u003e \u003cli\u003e2x HY2.0-4P expansion interfaces for horizontal expansion of Chain series devices\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eSize: 23.9 x 23.9 x 16.0mm\u003c\/li\u003e \u003cli\u003eWeight: 8.5g\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_Mount\" target=\"_blank\" rel=\"noopener\" title=\"Documents\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x Chain Mount\u003c\/li\u003e \u003cli\u003e1x Chain Bridge\u003c\/li\u003e \u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55159004856705,"sku":"U211","price":3.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-mount-brick-with-chain-bridge-m5stack-u211-1215949861.jpg?v=1767963310"},{"product_id":"chain-blank-proto-with-chain-bridge","title":"Chain Blank Proto with Chain Bridge","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Chain Blank is a Chain-series proto board with an 18 × 18 mm solder area and pass-through HY2.0-4P connectors for easy daisy-chaining. Remove the 0Ω resistors to route R1\/R2 pins into custom circuits.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eThe Chain Blank is a DIY proto board expansion node in the \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain series, designed for building custom circuits into Chain setups. The front of the module includes an 18 × 18 mm universal PCB prototyping area, giving you space to \u003ca href=\"\/collections\/soldering-supplies\" title=\"Soldering Supplies\"\u003esolder\u003c\/a\u003e components and create your own add-ons.\u003c\/p\u003e \u003cp\u003eInside, the board comes pre-soldered with two HY2.0-4P connectors that are interconnected, allowing it to be daisy-chained directly with other Chain series modules without affecting their original functionality.\u003c\/p\u003e \u003cp\u003eIf you need to integrate a custom circuit into the Chain signal lines, the board also supports that. By removing the two 0Ω resistors that connect the communication pins R1 and R2, you can isolate the IO pins and then route them to your own circuits using soldering or \u003ca href=\"\/products\/thepihuts-jumper-bumper-pack-120pcs-dupont-wire\" title=\"120-Piece Ultimate Jumper Bumper Pack (Dupont Wire)\"\u003ejumper wires\u003c\/a\u003e. This makes it easy to create more flexible, customised interactive projects while staying within the Chain ecosystem.\u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/0Xq8BQCJVzg?si=2lTUqY5aYKMHB0UJ\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eProto Board @ 2.54\u003c\/li\u003e \u003cli\u003eM5Stack Chain series compatible\u003c\/li\u003e \u003cli\u003e2x HY2.0-4P expansion interfaces for horizontal expansion of Chain series devices\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eSize: 23.9 x 23.9 x16.0mm\u003c\/li\u003e \u003cli\u003eWeight: 7.4g\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_Blank\" target=\"_blank\" rel=\"noopener\" title=\"Documents\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x Chain Blank\u003c\/li\u003e \u003cli\u003e1x Chain Bridge\u003c\/li\u003e \u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55159193436545,"sku":"U210","price":3.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-blank-proto-with-chain-bridge-m5stack-u210-1215960979.jpg?v=1767971410"},{"product_id":"atomic-tochain-base","title":"Atomic toChain Base","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Atomic ToChain Base adapts Atom series bottom I\/O to a male HY2.0-4P connector for easy connection to M5Stack Chain devices. Reserved solder pads allow flexible signal routing for clean, expandable builds.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eThe Atomic ToChain Base is a Chain interface adapter designed specifically for \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Atom series controllers. It converts the Atom controller’s bottom expansion I\/O into a male HY2.0-4P connector, making it easy to connect and work with M5Stack Chain series devices.\u003c\/p\u003e \u003cp\u003eThe adapter also includes reserved solder pads, allowing flexible configuration of how the Atom bottom I\/O is routed. This makes it easier to adapt the connection to different project needs while keeping the wiring neat and reliable.\u003c\/p\u003e \u003cp\u003eWith this adapter, Atom controllers can be seamlessly extended into the Chain ecosystem, enabling more connectivity options and a wider range of application possibilities.\u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/InEe1OMEEcI?si=PE4Z5OuMWjbStq81\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eAtom controller expansion for Chain devices\u003c\/li\u003e \u003cli\u003eReserved solder pad design for flexible IO pin mapping\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eSize: 31.0 x 24.0 x 11.8mm\u003c\/li\u003e \u003cli\u003eWeight: 4.3g\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/accessory\/Atomic_ToChain_Base\" target=\"_blank\" rel=\"noopener\" title=\"Documents\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x Atomic ToChain Base\u003c\/li\u003e \u003cli\u003e1x Hex Key L-Shape 1.5mm (For M2 Screw)\u003c\/li\u003e \u003cli\u003e1x M2 6mm Screw (pan head, self-tapping)\u003c\/li\u003e \u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55159342563713,"sku":"A163","price":2.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/atomic-tochain-base-m5stack-a163-1215960962.jpg?v=1767971197"},{"product_id":"chain-angle-stm32g031","title":"Chain Angle (STM32G031)","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe Chain Angle is a Chain-series potentiometer knob module with up to 12-bit ADC output and an RGB status LED. It supports UART cascading via dual HY2.0-4P ports, ideal for HMI control, smart home inputs and speed control projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe Chain Angle is a potentiometer knob input node in the \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain series, designed for analogue control in interactive projects. As you rotate the knob, the voltage at the sampling terminal changes within a fixed range. The onboard MCU then converts this signal using ADC and outputs a value with up to 12-bit resolution, making it useful for accurate, adjustable input.\u003c\/p\u003e\n\u003cp\u003eA programmable RGB \u003ca href=\"\/collections\/adafruit-leds\" title=\"LEDs\"\u003eLED\u003c\/a\u003e is also integrated for clear status indication and interactive visual feedback. This makes the Chain Angle a good fit for applications such as human–machine interfaces, \u003ca href=\"\/collections\/home-automation-store\" title=\"Home Automation Store\"\u003esmart home\u003c\/a\u003e systems, and motor speed control.\u003c\/p\u003e\n\u003cp\u003eThe module is built around the STM32G031G8U6 MCU and uses a UART serial cascade communication protocol. With two HY2.0-4P expansion ports, it can be easily daisy-chained with additional Chain series devices to create more complex and feature-rich interactive systems.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/bI7L09yzQOY?si=e6yG085wHMDZCjfi\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM5Stack Chain series\u003c\/li\u003e\n\u003cli\u003ePotentiometer knob input\u003c\/li\u003e\n\u003cli\u003eSTM32G031G8U6 core MCU\u003c\/li\u003e\n\u003cli\u003e1x RGB LED\u003c\/li\u003e\n\u003cli\u003eUses UART serial cascade communication protocol\u003c\/li\u003e\n\u003cli\u003e2x HY2.0-4P expansion interfaces for extending Chain series devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTM32G031G8U6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUART 115200bps@8N1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x HY2.0-4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x WS2812C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRGB Power On Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21.13mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotation Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e280° ±10°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 ~ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.9 x 23.9 x 28.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.4g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: justify;\"\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_Angle\" rel=\"noopener\" title=\"Documents\" target=\"_blank\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Chain Angle\u003c\/li\u003e\n\u003cli\u003e1x Chain Bridge\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55160037278081,"sku":"U208","price":5.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-angle-stm32g031-m5stack-u208-1215968907.jpg?v=1767978096"},{"product_id":"chain-tof-vl53l0","title":"Chain ToF (VL53L0)","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThe M5Stack Chain ToF is a Chain-series laser distance sensor with a VL53L0C ranging module, measuring 3–200cm with ±3% accuracy. It supports UART daisy-chaining via dual HY2.0-4P ports for easy expansion in interactive projects.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eThe \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain ToF is a laser ranging sensor node in the M5Stack Chain series, built for short-range, non-contact distance measurement and proximity detection. It integrates a VL53L0C laser ranging module, offering a measurement range of 3 to 200cm with ±3% accuracy, making it ideal for detecting objects and measuring distances in compact projects.\u003c\/p\u003e \u003cp\u003eThe module is powered by an STM32G031G8U6 MCU and communicates using a UART daisy-chain protocol. With two HY2.0-4P expansion ports, it can be easily linked with additional Chain series devices to create richer, more interactive applications.\u003c\/p\u003e \u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/uk3gHfI6utI?si=MVjxd6xpZcQal98D\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eM5Stack Chain series\u003c\/li\u003e \u003cli\u003eVL53L0C laser ranging module\u003c\/li\u003e \u003cli\u003e3 ~ 200cm measurement range\u003c\/li\u003e \u003cli\u003eSTM32G031G8U6 core MCU\u003c\/li\u003e \u003cli\u003eUART serial daisy-chain communication protocol\u003c\/li\u003e \u003cli\u003e2 x HY2.0-4P expansion interfaces for extending Chain series devices\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSTM32G031G8U6\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eLaser Module\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eVL53L0C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e3 ~ 200cm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMeasurement Accuracy\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e±3%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eDC 5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eUART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2 x HY2.0-4P\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eRGB LED\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1 x WS2812C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eStop mode (white RGB on): DC 5V@21.27mA\u003cbr\u003eDefault mode single measurement: DC 5V@20.26mA\u003cbr\u003eDefault mode continuous measurement: DC 5V@24.75mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e0 ~ 40°C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e23.9 x 23.9 x 16.0mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e8.8g\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/chain\/Chain_ToF\" target=\"_blank\" rel=\"noopener\" title=\"Documents\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 x Chain ToF\u003c\/li\u003e \u003cli\u003e1 x Chain Bridge\u003c\/li\u003e \u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55323694268801,"sku":"U209","price":8.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-tof-vl53l0-m5stack-u209-1219603345.jpg?v=1770398111"},{"product_id":"chain-bridge-connector-for-chain-series-10pcs","title":"Chain Bridge Connector for Chain Series (10-Pack)","description":"\u003cp\u003e\u003cstrong\u003eThe Chain Bridge connects Chain series modules side by side, adding flexibility to your M5Stack configurations without extra adapters.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e \u003cstrong\u003eChain Bridge\u003c\/strong\u003e \u003cstrong\u003eis a connector module\u003c\/strong\u003e built to link Chain series products and Unit Puzzle components together. It \u003cstrong\u003efeatures two HY2.0-4P Grove interfaces\u003c\/strong\u003e that allow adjacent modules to connect in sequence, creating flexible arrangements for your M5Stack projects.\u003c\/p\u003e\n\u003cp\u003eThe physical design prioritizes \u003cstrong\u003edurability in lab and field environments\u003c\/strong\u003e. The connector body is \u003cstrong\u003ebuilt to withstand repeated connection cycles\u003c\/strong\u003e without degradation, making it suitable for \u003ca href=\"\/collections\/adafruit-prototyping\" title=\"Prototyping Supplies\"\u003eprototyping\u003c\/a\u003e work where you might frequently reconfigure your setup.\u003c\/p\u003e\n\u003cp\u003eWhen used with compatible Chain series products, the \u003cstrong\u003eChain Bridge lets you expand your system horizontally\u003c\/strong\u003e, connecting modules side by side rather than only in vertical stacks. This flexibility helps you organize components more efficiently within your project space, whether you're building a sensor network, control interface, or data collection system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe HY2.0-4P connectors follow M5Stack's standard, so any existing Grove-compatible devices in your collection will work with the bridge without additional adapters.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hx3ANCxcbBw?si=PPp4zjvfgjUzs7FQ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Chain series products and Unit Puzzle\u003c\/li\u003e\n\u003cli\u003eModular connection and assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Size: 14.0 x 10.0 x 9.3mm\u003c\/li\u003e\n\u003cli\u003eProduct Weight: 11g (10 pcs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/accessory\/converter\/Chain_Bridge\" rel=\"noopener\" title=\"Product Documents\" target=\"_blank\"\u003eProduct documents\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e10x Chain Bridge connectors\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55476613579137,"sku":"A155","price":5.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-bridge-connector-for-chain-series-10pcs-m5stack-a155-1229562009.jpg?v=1775670621"},{"product_id":"chain-return-connector-for-chain-series-5pcs","title":"Chain Return Connector for Chain Series (5-Pack)","description":"\u003cp\u003e\u003cstrong\u003eThe M5Stack Chain Return connects M5Stack Chain modules along their sides while supporting LEGO integration, expanding what you can build with the system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003ca href=\"\/collections\/m5stack\" title=\"M5Stack Products\"\u003eM5Stack\u003c\/a\u003e Chain Return is a specialised connector built for the M5Stack Chain series ecosystem and \u003ca href=\"\/products\/puzzle-unit-8x8-led-matrix-ws2812e\" title=\"Puzzle Unit 8 x 8 LED Matrix (WS2812E)\"\u003eUnit Puzzle\u003c\/a\u003e components. It features two HY2.0-4P Grove interfaces positioned on opposite sides, allowing you to \u003cstrong\u003elink two Chain series modules along their side edges\u003c\/strong\u003e. The connector also includes two 4.85mm holes that accept standard LEGO-compatible studs, letting you integrate these modules into broader mechanical assemblies.\u003c\/p\u003e\n\u003cp\u003eThis connector extends the possible configurations within the M5Stack modular system by enabling connections that \u003cstrong\u003ewouldn't otherwise be possible with the standard stacking interface\u003c\/strong\u003e. The physical durability of the connector means it \u003cstrong\u003ecan handle repeated assembly and disassembly without degradation\u003c\/strong\u003e, making it suitable for both prototyping work and installations that require reconfiguration over time.\u003c\/p\u003e\n\u003cp\u003eThe dual \u003cstrong\u003eGrove interface design\u003c\/strong\u003e means you can pass through communication and power signals from one Chain module to the next, maintaining full functionality of connected devices. \u003cstrong\u003eWhen combined with LEGO compatibility holes, the Chain Return gives you options to build both electrical chains and mechanical structures in the same build.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hx3ANCxcbBw?si=HBjuJ2n5jf9-JcUG\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Chain series products and Unit Puzzle\u003c\/li\u003e\n\u003cli\u003eModular connection and assembly\u003c\/li\u003e\n\u003cli\u003e2 x 4.85mm LEGO-compatible holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Size 48.0 x 14.9 x 9.3mm\u003c\/li\u003e\n\u003cli\u003eProduct Weight 15.0g (5 pcs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/accessory\/converter\/Chain_Return\" rel=\"noopener\" title=\"Product Documents\" target=\"_blank\"\u003eProduct Documents\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Chain Return Connector for Chain Series (5PCS)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":55486320509313,"sku":"A154","price":5.7,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/chain-return-connector-for-chain-series-5pcs-m5stack-a154-1230696812.jpg?v=1774976677"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/collections\/m5stack-chain.jpg?v=1775660047","url":"https:\/\/thepihut.com\/collections\/m5stack-chain-series.oembed","provider":"The Pi Hut","version":"1.0","type":"link"}