"I had a similiar issue recently: http://www.diydrones.com/forum/topics/forever-yawing.
For me if you click on the Status tab, the yaw value was constantly counting down while the compass counted down as well. In your video we cannot tell if the…"
"My problem is more than just what is shown in Mission Planner. When I attempt to fly, the copter yaws immediately in a fast spin. I had been flying for a few months without a GPS and without a mag with no issues and I never noticed the forever…"
Had a crash and now when connected to mission planner yaw is continuously changing. It starts at 360 and counts down. I created a short video showing this in mission planner. Flying is of course impossible, the copter just starts to yaw out of…