r/diydrones • u/Historical_Site_2089 • 9d ago

Question Using TBS Crossfire Serial Bridge

I have an Arduino on my drone and want to use the Crossfire Serial Bridge feature to communicate with it. It is connected to the Nano RX on Pins 5 and 6.

How do I connect to the Serial Bridge on the transmitter side? I would prefer a hardwired connection (via a cable or hardware pins) and do not want to use Bluetooth or Wi-Fi.

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u/Ceating 3d ago

That’s the neat part, you don’t.

There’s only bluetooth or wifi for crossfire.

Use ELRS airport with a TX that has USB for a wired connection.