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QGroundControl doesn't recognize Pixhawk 6x

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Carmen on 1 Mar 2023
Answered: Ankur Bose on 14 Jul 2023
Hi, i have an issue with my pixhawk 6x. When Simulink automatically launches QGroundControl, the board is not recognized and it results disconnected. I’m using a UDP connection. Does somebody know how to fix the problem?
Arun Mathamkode
Arun Mathamkode on 17 Mar 2023
Which QGC version you are using ? Whether this issue is there only when the QGC is automatically lanched from Simulink or you are seeing this when you manually lanch QGC as well?
Carmen on 17 Mar 2023
@Arun Mathamkode We are using the current version ( and we have the issue only when QGC is automatically launched from Simulink. In the other hand, when we open manually QGC, if the option "Pixhawk" is set in the General tab of the setting menu the board is recognized. Actually, we thought that the problem could be the OS (windows 10 is working with Pixhawk 2.1 Cube, while window 11 seems not to be compatible), but with Pixhawk 6x we have the same issue as always.

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Answers (1)

Ankur Bose
Ankur Bose on 14 Jul 2023
In HITL mode, the Pixhawk 6x is not supposed to connect directly to QGroundcontrol but via the MAVLink bridge in the Simulink plant. Hence, in QGC you need to deselect the Pixhawk checkbox and enable only UDP. To get the QGC connected to Pixawk 6x, just run the Simulink plant and it should bridge the MAVLink data between QGC and Pixhawk 6x

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