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I have a t-motor F4 flight controller which I want to wire to a crossover Frsky D16-XR602T-F2 receiver. For power (5v) and ground, it is clear and it works. I connected the S BUS on the receiver to R3 UART on my FC but it doesn't connect to my transmitter (Jumper T12). I follow all the steps on the quick start guide. So in CLI settings, I set: serialrx halfduplex = ON and serialrx inverted = OFF.

Any help is appreciated.

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  • $\begingroup$ Just to clarify, are you having trouble binding the receiver to the transmitter or wiring the receiver to the flight controller? $\endgroup$
    – Drones and Whatnot
    Commented May 25, 2021 at 0:04
  • $\begingroup$ Well kinda both. If wiring goes wrong you can't bind neither, right? $\endgroup$
    – Bruce
    Commented May 26, 2021 at 6:47
  • $\begingroup$ no, generally as long as the receiver has power (which it seems it does have), you should be able to bind it. $\endgroup$
    – Drones and Whatnot
    Commented May 26, 2021 at 6:48
  • $\begingroup$ @DronesandWhatnot Good to know, thanks. Let's first deal with the wiring. I am not sure the problem is binding or wiring, but when I use the controls on the transmitter, it doesn't rotate the motors. $\endgroup$
    – Bruce
    Commented May 28, 2021 at 9:50
  • $\begingroup$ have you set an arm switch? Without it the motors won’t spin. The best way to see if the receiver is getting info to the FC is to go to the receiver tab in Betaflight and see if it is registering any input when you move the sticks on the radio. You may need the drone plugged in depending on how your receiver is hooked up. $\endgroup$
    – Drones and Whatnot
    Commented May 28, 2021 at 13:22

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