22. Case 18: Music Box#

22.1. Introduction#

This is a music box. We can control the buzzer on the micro:bit to emit different melody by pressing the button A on the micro:bit.

22.2. Quick to Start#


Nezha expansion board × 1

micro:bit × 1

Tips: You may need to purchase Nezha Inventor’s Kit if you want all the above compoents.

Connection Diagram#

Insert the micro:bit to Nezha expansion board.


22.3. MakeCode Programming#

Programme as the picture shows:#



Press button A to switch the music.