M5Stack Chain DualKey Programmable Dual-Key Input Development Board w/ ESP32-S3FN8
Includes dual mechanical keys
Offers programmable RGB LEDs
Supports USB and BLE connections
Features LEGO-compatible design
Ideal for smart home systems
The M5Stack Chain DualKey Programmable Dual-Key Input Development Board w/ ESP32-S3FN8 is a versatile development board featuring the ESP32-S3FN8 main control chip. It includes two hot-swappable blue switch mechanical keys and two programmable RGB LEDs, offering superior interactive feedback. The device is powered by a 350mAh lithium battery and supports both USB and BLE connections, simulating HID input devices. It is equipped with two HY2.0-4P expansion ports for additional connectivity, making it ideal for applications in smart home systems, keyboard peripherals, and macro keyboards.
SoC: ESP32-S3FN8 with a dual-core Xtensa LX7 processor, main frequency up to 240MHz
Flash Memory: 8 MB
Power Input: USB, DC 5V
Battery: 350mAh lithium battery
RGB LED: 2x WS2812B
Operating Temperature: 0 to 40°C
Standby Current: Power-off mode (VBAT) at DC 4.2V at 8.97uA, Deep sleep mode (VBAT) at DC 4.2V at 107.64uA, USB 5V power (no battery) at DC 5V at 41.7mA
Features: LEGO-compatible holes on the back, lanyard design
