It’s wasn’t so long ago that RC transmitters, at least ones worth owning, were expensive pieces of gear. Even more recently than that, the idea of an RC transmitter running an open source firmware ...

This is an Arduino based RC transmitter TX. I want to design a RC transmitter (soft and hardware) that is simple to build, and use arduino board wich I am familler with, and it should supoort ELRS.

To use an Arduino as a replacement transmitter, connect it to the RF front-end of the original remote as follows: Arduino signal pin → DATA OUT of the TX-2 / TX-6B encoder before the RF stage Arduino ...