Chain Key Single-Button Input Node Integrated Programmable …, North-Eastern Islands

Chain Key is a single-button input node with hot-swappable mechanical keyboard keys, featuring tactile switches and integrated programmable RGB LEDs.
Suitable for human-computer interaction, smart home control, and other applications.
Chain Key integrates an STM32G031G8U6 core controller, uses the UART serial cascading communication protocol, and can be expanded with more Chain series devices through two HY2.0-4P expansion interfaces to build richer interactive applications.

Single-Key input
STM32G031G8U6 core controller
Hot-swappable switch mechanical keyboard keys
2x RGB LEDs
Uses UART serial cascading communication protocol
2x HY2.0-4P expansion interfaces, expandable to Chain series devices

Specifications
MCU: STM32G031G8U6
Input Power: DC 5V
Communication Interface: UART
Interface Specifications: 2x HY2.0-4P
RGB LEDs: 2x WS2812B
Power Consumption: 28.24mA
Operating Temperature: 0~40°C
Color: As Shown
Material: plastic

Package Contents:
1* Chain Key

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.