"Thanks for the link, but I've already done this. I disabled the compass in the parameters, and unchecked all the boxes under mandatory hardware, yet still get the error. Any other ideas?"
First time building a drone, so please excuse me if I am ignorant of something obvious.Right now I am running Mission Planner, and attempting to arm a Holybro PX4 2.4.6 flight controller. However, I get the error "prearm: compass not healthy." This…