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  • Tested the drone with Pixhawk 2. Performed perfectly. Maybe its the drone build or the new Pixhawk 2 GPS; the position hold was very stable. 

  • Awesome!  Glad you got it sorted  =)


    Cromwell A said:

    Thanks. Yes that was the issue. Have changed the AHRS_ORIENTATION to '0' . 

  • Thanks. Yes that was the issue. Have changed the AHRS_ORIENTATION to '0' . 

  • Assuming your FC isn't mounted upside-down, have you checked the advanced configuration to see if the FC is listed as inverted? In Mission Planner go to CONFIG/TUNING and then Full Parameter List and then locate AHRS_ORIENTATION in the list (the default orientation value is 0, inverted is 8)

    Once you're sure the value matches your FC's orientation then re-run the accelerometer calibration

    http://ardupilot.org/copter/docs/common-accelerometer-calibration.h...

    Hope that helps

    Accelerometer Calibration in Mission Planner — Copter documentation
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