A Seeed Studio Xiao ESP32S3 lives at the heart of this thing, emulating a Bluetooth gamepad using a library by LemmingDev. A trio of LEDs round out the electronics to provide an indicator for ...

The device is based around a Seeedstudio XIAO nRF52840 dev board. It’s hooked up to a BME280 sensor which delivers temperature, humidity and air pressure readings from the immediate environment.