Pixhawk which S-bus protocol used in Pixhawk and Graupner receiver?

bquad

bquad

New member
Aug 28, 2022
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Hello everyone,

I have an original Holybro Pixhawk with the latest firmware and would like to serially connect a Graupner receiver GR16 to it.

If I set SUMO 08 in the receiver, it works perfectly

If I set SUMD, it doesn't work at all.

If I set SBUS on the Graupner receiver, the channels work, but the failsafe on the Graupner does not work.

My question: Is there a way to use Graupner's SBUS or SUMD on the Pixhawk or do I have to be content with SUMO 08?

Conversely, this means that the Graupner GR12L cannot be used because it does not offer a SUMO signal ??
 

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