BBC micro:bit Prototype Board with 400 Pin Breakout Board

Designed to break out all of the IO pins on your micro:bit for you to create additional circuits and hardware. Prototype using the supplied 400-hole breadboard or solder directly to the board for a permanent circuit. Onboard headers provide input and output connections and an integrated power supply provides 3V power from a connected 5-9VDC power adaptor (sold separately).