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Old Aug 17, 2015, 06:28 AM
slaven is offline
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UDI / X-BUS with Cleanflight?

Hi there,

as some of you might have already heard, Jeti released a new firmware (V3.24) for their receivers, now supporting the UDI serial protocol up to 16 channels especially for multirotors. (See:

As of my understanding (and research sofar) UDI is the same as the X-BUS Mode B protocol, which already has been implemented in Cleanflight (

I figured that somehow it should be possible to make my Jeti RSAT2 receiver talk to my CC3D flight controller over the serial bus using UDI/XBUS Mode B. But not luck so far.

My assumption so far: Connecting the signal line from the receiver (which is configured to output UDI) to Pin 5 of the RX-Port on my CC3D, which is titled to be the soft serial RX pin. In Cleanflight I activated soft serial support, checked the Serial RX box on the "Ports" tab and I also configured RX_Serial with XBUX_MODE_B as Serial Receiver Provider.

Maybe I am completely mistake with how I approached the whole thing? Or is UDI just not working at all on CC3D respectively Cleanflight itself? Information seem to be very rare on this topic. Hope for your input!

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Old Nov 17, 2015, 08:23 AM
kajakmannen is online now
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Any news on this topic also curious

BR, Kajaken
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