I am unable to get my recently purchased PixHawk 4 Mini to connect to my FrSky X4RSB receiver. I have tried the receiver in CPPM mode connected to the PPM port and SBUS mode connected to the RC IN port. In each configuration the QGroundControl app reports detected 0 radio channels. I tried a second …

Good day, did you try to push the safety switch while booting your fc?

Good day, Thank you for the reply! I have tried that a couple times by pushing the button on the GPS module while plugging in the USB to the computer. I could not discern a difference once it booted. What does pushing the button during boot do? I read somewhere it was supposed to put the flight con…

I contacted support at holybro with a similar issue. They told me to install the stable firmware at ardupilot for the PH4-mini which I did through Mission Planner. This did not directly fix my issue as I was not able to get my FrSky receiver to communicate with the flight controller via the RC IN po…

If you need the link to either of those things please private message me since the garbage forum will not let me post the direct links.

Hi, could you send the links to me? I am facing the same problem, albeit with the pixhawk 4.

Please check the wire of your radio receiver with the pinout of the pixhawk. Probably you have to change the position of sbus out pin. I had the same problem.

PixHawk 4 Mini PX4IO not found

PX4 Autopilot

j_andia March 19, 2019, 11:07pm 6

Using master version of PX4 seems to allow connectivity of the radio. Pixhawk 4 mini and X8R Not working

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PixHawk 4 Mini PX4IO not found

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