- This is a special IO port for MICROBIT, which can lead out all IO resources on MICROBIT.
- There is a buzzer on the board, which is connected to the P0 pin through a jumper cap, and the P0 pin can be released through the jumper cap.
- 3PIN interface distinguished by yellow, red and black color; The yellow pins correspond to different I0 pins, the red pins correspond to 3.3V, and the black pins correspond to GND.
- On board LED indicator; 40P MICROBIT horizontal compact size socket; The jumper IOBIT is plugged in by default.
- The board mounting holes and fixing holes are compatible with Lego pin holes or M3 screws.


