ITEM NAME:Expansion Board Breakout Adapter Board For Iobit Bbc Micro-Bit Kids Program S3R3 Expansion Board Breakout Adapter Board For Iobit Bbc Micro-Bit Kids Program S3R3 Power indicator.The jumper cap IObit is plugged in by default. In the Makecode, you can use the music column to program, and make a sound. Usually, there is no sound when you power on. 1 Breakout Adapter Board. Powered on the Microbit, the indicator light will be red, no power it won't light up.