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  4. Disable GPS and compass

Disable GPS and compass

Scheduled Pinned Locked Moved Starling & Starling 2
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  • Hunter ScottH Offline
    Hunter ScottH Offline
    Hunter Scott
    wrote on last edited by
    #1

    I tried unplugging the GPS module but got an error in qgroundcontrol that the compass is missing. Looks like there's one on the GPS board. What parameters do I need to change in qgc to disable GPS and the compass so I can arm and fly with the GPS module unplugged?

    Alex KushleyevA 1 Reply Last reply
    0
    • Hunter ScottH Hunter Scott

      I tried unplugging the GPS module but got an error in qgroundcontrol that the compass is missing. Looks like there's one on the GPS board. What parameters do I need to change in qgc to disable GPS and the compass so I can arm and fly with the GPS module unplugged?

      Alex KushleyevA Offline
      Alex KushleyevA Offline
      Alex Kushleyev
      ModalAI Team
      wrote on last edited by
      #2

      @Hunter-Scott , please try setting the following PX4 params to disable magnetometer :

      • SYS_HAS_MAG to 0
      • EKF2_MAG_TYPE to 5
      Hunter ScottH 1 Reply Last reply
      0
      • Alex KushleyevA Alex Kushleyev

        @Hunter-Scott , please try setting the following PX4 params to disable magnetometer :

        • SYS_HAS_MAG to 0
        • EKF2_MAG_TYPE to 5
        Hunter ScottH Offline
        Hunter ScottH Offline
        Hunter Scott
        wrote on last edited by
        #3

        Thanks, this worked!

        K 1 Reply Last reply
        0
        • Alex KushleyevA Alex Kushleyev referenced this topic on
        • Hunter ScottH Hunter Scott

          Thanks, this worked!

          K Offline
          K Offline
          kailyGen
          wrote on last edited by
          #4

          Good tip. For anyone testing without the GPS module attached, setting SYS_HAS_MAG=0 and EKF2_MAG_TYPE=5 seems to be the key part since the compass is on the GPS board. I was also looking at some compass-related references on 123compass.org while trying to understand the magnetometer side of it.

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