After 2.9.1.b my 3DR Radio 915 does not connect. Also no GPS & ARM leds (top GPS does work). Can not arm with remote. Yet if I am on USB port, the GPS and ARM leds blink. So I wait till GPS lock, plugin battery and disconnect USB, then I can arm my
I just upgraded to ArduCopter 2.5.5 and I am having trouble. Takeoff looks totally eratic. So I started by testing motors using Mission Planner CLI / Setup / Motors. It used to test them starting with front motor and going clockwise testing each moto