Features 1、High quality mini piano module for Micro:bit, the interface can be directly pluggable. 2、Onboard buzzer, can play wonderful music. It's a nice mini piano music extension board. 3、On‑board capacitive touch chip, leading to 13 touch buttons, communicating with I2C interface. 4、With 4 LEDs on the board, you can control the color of the lamp group with one signal line. 5、Lead to the control pin of the module and the SPI and part of the GPIO pin on the for Micro:bit for easy expansion. Specification Item Type: Mini Piano Module Material: PCB Size: Approx. 85x56mm / 3.35x2.20in Application: Mini piano music expansion board fit for Micro:bit Working Voltage: 3.3V Touch Chip: TTP229 LED Light Chip: WS2812B LED Color Depth: 16777216 colors Package List 1 x Mini Piano Module