Small piano board for Microbit V2 device

Small piano expansion board for BBC Micro:bit V2, touch keys for music playback, with 4 RGB LED lights, touch control. Specifications Touch control: TTP229 LED: WS2812B LED color depth: 16777216 colors Dimensions: 85 millimeters × 56 millimeters Operating voltage: 3.3 volts Features GPIO connection for Micro:bit Music playback buzzer Touch control keys 13x via I2C interface 4x RGB lights, controlled by only one signal pin SPI pins, and some GPIO pins