4 Channel RF Remote Controller Board - 433/315 MHz with RelayTransmitter boardInput voltage – 9V (9V cell) DC 4 switches (for Forward, Backward, Left and Right Robot Control)8-bit address Switch (Rx and Tx both have same Address)Receiver BoardInput voltage – 12V DC (24V DC if Relay Rating 24V)8-bit ..
8 Channel RF Remote Controller Board - 433/315 MHz with RelayTransmitter8 switch for 8 direction control4 motor (2x (2 motors in parallel connection)) for basic Robot and 2 motors for other tasksPower Supply – 9V DC (9V cell)4 PIN DIP switch for ADDRESS (*** RX TX have Same ADDRESS)Antenna should st..