Arduino to radio-control transmitter interface

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Mathieu writes –

I whipped up a little interface yesterday, to connect an Arduino to a Radio Control Transmitter. This can be used to send commands from the Arduino to the transmitter, which will mix them with the manual input and radio them to the radio-controlled model.

The Arduino is sending commands (PPM-encoded series of servo-position pulses) to the RC transmitter (a Multiplex Royal Evo 12, in this case), which mixes them with manual input and radios them to the radio-controlled model.

You can see on the transmitter’s display that channels 1, 2, 4 and 5 are broadcasting values while the sticks are centered. If I had video, you could see them change over time under the Arduino’s control.

Arduino to radio-control transmitter interface – [Link]

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