Breakout Board with Relay for Micro:bit

Breakout Board with Relay for Micro:bit integrates a 4-way 5V relay module, fully compatible with the micro-bit development board. Its control terminals are respectively connected to P4, P3, P7 and P6 of the micro bit development board. You only need to control the high or low output level of P4, P3, P7 and P6. Therefo