This sketch turns Arduino Leonardo (Pro Micro) or any other ATmega32U4 based *duino clone into a plug-n-play DirectX compatible USB Gamepad adapter for 6 channel RC ...
Dialing back the expectations a bit, he was able to successfully control a cheap 27 MHz RC toy using the 43rd ... a low frequency version of the USB to VGA adapter turned GHz SDR transmitter ...
An Arduino adapter for RC remote control PPM signals to USB HID Joystick. Many (semi) professionl remote controls can output their control signal via a connector. Usualy the signal is PPM modulated.