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Flight data shows yaw when compass removed with APM 2.0

Posted by ArjanM on June 13, 2014 at 3:45pm

Hello all,

I'm working with an APM 2.0 board and have a question regarding the onboard compass.

As far as I am aware, the onboard compass is located on the 'shield' of the APM 2.0 board. However, even when I remove this shield I still see my direction in the 'flight data' window adjusting (yaw) as I rotate the APM board (I know roll and pitch originate from the accelerometer).

How is this possible?

Arjan

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Replies

Scott Reid June 14, 2014 at 6:04pm

Yaw is computed with the output from both the accel and compass. If the compass is removed, one clue will be that it always starts up with heading 0.

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