Hello all. I have a quadcopter with a Pixhawk. I have it powered via USB, connected to Mission Planner. The false horizon screen is showing a constant altitude drift of about 4 meters. The quad is sitting on a desk next to the computer, completely still. I have been sitting here watching it, and it started out thinking it is 11-15 meters agl, now its 16-20agl. I am in a large building so there is zero GPS signal for it to know where its at.
Its giving a Bad AHRS warning. I recycled the Pixhawk and it was then at zero altitude. Maybe it has to do with the sensor warming up?
Here is a screen capture of it:
https://www.youtube.com/watch?v=MJMl5DGgsFU
Is this a hardware issue or something in the software?
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