10/6/16
Wireless Relay Control using IC2262/2272 and ATmega328PB
The IC2262/2272 transmitter is powered by a 12V battery. The receiver and the microcontroller operate with a 5V power supply. The optocouplers, transistors, and relays use a separate 12V power supply to isolate the high voltage devices attached to the relay contacts from the low voltage devices use in this circuit just like the microcontroller and receiver.
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