Seeed grove radio frequency rf and wireless modules seeed studio 113020001 the grove 315mhz simple rf link kit from seeed studio consists of one transmitter and one receiver and is useful for remote control projects that dont require two way communication to attach one of these modules to a microcontroller simply plug into a grove base board and use a serial transmit or receive signal making it very light in terms of gpio pinsseeed provide technical documentation example projects a