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would anyone know how to diagnose a APM Baro or Compass issue?

Posted by Paul on September 18, 2011 at 1:28am

i would like to diagnose the apm board for baro and compass issues, would anyone know more about this?

 

FYI - why im addressing because in terminal baro show no values and compass values do not change.

 

thanks to the super duper dude to tell me because im stressing!

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Tags: baro, compass, issues
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  • Paul September 18, 2011 at 2:41am

    another photo on the mag underside detached from the board.

    4.JPG

  • agmatthews September 18, 2011 at 1:36am

    Paul,

    Compass and baro are both i2c devices on the same data bus.

    It sounds like you may have an issue with the i2c bus - possibly a short on the data lines. One fault will stop both devices working.

    Have you soldered your compass onto the IMU board?

    Is there a solder bridge between two of the pads on the compass connector?

    Did the baro work before you added the compass?

     

    Carefully check all your soldering or cabling between your compass and the IMU board - look for any signs that the data / power lines may be shorted to each other.

    regards

    Andrew

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