Connecting the button How to make radio control part 4
How to control 4 loads and 2 motors via radio. In this video, we'll look at how to connect a button to an Arduino to control loads using HC-12 radio modules.
You can download the schematic diagram and sketches for the transmitter and receiver from this link:
https://yadi.sk/d/X9M7KJ-b3Jmzn8