The ElecFreaks Wukong Breakout Board for micro:bit is a high integrated breakout board with multiple functions based on micro:bit, which has a similar size with the micro:bit with buzzer, servo and motor drivers on board.
The base board designs with standard 7x5 square bricks that can adapt perfectly to Lego. It requires 20 minutes for completing the charging.
Size
40 x 58 mm
Power switch: Click to turn on, double to turn off