Micro:Mate is an expansion board for the micro: bit development module. It provides six 3-pin connectors with I/O outputs, a 3.5mm audio jack connector and is powered from a 5V microUSB connector. DFRobot DFR0518
Micro:Mate is a small size expansion board for the micro:bit development module. Provides six 3-pin connectors with I / O outputs that allow you to connect Gravity modules, sensors or servos. A 3.5mm audio jack is also available on the board. The set of extensions includes a 3 V / 5 V voltage switch for pins 8, 12 and 16. These pins give the possibility of connecting modules with a higher power consumption (up to 2 A). The modules are powered via a microUSB connector.