Two power input mode: black DC head input DC 7-9v
Micro USB interface input DC 5V
Two kinds of voltage output selection: V1 V2 jumper cap connection selection voltage output
3.3v and 5V are available
It comes with a power indicator
Extend all PIO of micro bit control board to 3PIN interface
Lead out a serial communication interface
Lead out 1 I2C communication interface
Lead out 1 SPI communication interface
Size: 65 x56x15mm