The Unit ByteButton functions as an 8-button touch switch input unit, featuring a total of 8 button inputs and 9 WS2812C RGB LEDs. It utilizes an STM32 microcontroller and is compatible with I2C communication protocols. This unit is equipped with two Port A interfaces and supports the cascading of multiple Unit ByteButton modules, thereby enhancing its applicability in complex system configurations. The device facilitates both button input detection and dynamic lighting feedback, making it particularly suitable for a diverse range of applications, including smart home control, gaming devices, educational platforms, industrial status displays, and interactive exhibitions. Features 8 independent button inputs 9 WS2812C RGB LEDs STM32 microcontroller I2C communication interface Included 1x Unit ByteButton 1x HY2.0-4P cable (20cm) Module Size Applications Smart home control panels Gaming or entertainment device controllers Educational and laboratory development platforms Status control and feedback devices Portable device debugging tools Interactive exhibitions or scene controllers User interface for small instruments Specifications Specification Parameter MCU STM32G031G8U6, 32-bit ARM Cortex-M0+ core, 64 MHz Button Count 8 independent button inputs Button Type Capacitive touch buttons RGB LEDs WS2812C-2020 (9 LEDs) Communication I2C @ 0x47 Grove Interface 2 (I2C bus expansion) Standby Power DC [email protected] Operating Temp 0-40°C Product Size 88*24*12mm Package Size 169*119*13mm Product Weight 15.1g Package Weight 21.5g Examples Arduino Unit ByteButton Arduino Library Internal Firmware Unit ByteButton Internal Firmware