This is a compact micro: bit piano expansion board, inspired on a piano. It possesses 7 white note buttons, 5 black note buttons, 3 pitch buttons to switch high, medium, and low tone, and 3 programmable RGB lights. It is also equipped with a passive buzzer and audio output interface to support the connection of audio equipment and headphones.
Note: The micro: bit board is NOT included.
English manual: www.yahboom.net/study/piano_bit