I have recently built a quadcopter with the APM. I completed all the prearm checks in mission planner, but as soon as I fly the quad it goes up and starts spinning really fast in a clockwise direction. I try to turn it the other way with my remote control, but it's no good. All the motors and propellers are set up correctly. I believe there is something wrong with my setup because I used the same quadcopter with a CC3D flight controller and it flew great.
I would really appreciate any help as to what I did wrong, how to fix it, and why my quadcopter is spinning. Thanks!
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