Packed with an incredible amount of hardware, and increasingly likely to be running an open source firmware, the modern RC transmitter is effectively a little multi-purpose computer in its own right.

I developed this into my RC car to make possible turn on / off the lights based on a servo output remotely. I attached to output of a switch in my transmitter to the channel, so the output is -100% or ...

The code compiles on Arduino IDE 1.8.x or higher with board set to Arduino Uno. The transmitter code is in mtx (master mcu) and stx (slave mcu) folders. The receiver mcu code is in the rx folder. No ...