3D Insider is ad supported and earns money from clicks, commissions from sales, and other ways. Transmitters—also called XMTR or TX for short—are no different to other products with regards to quality ...

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.

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 ...