I have the signal and ground wire from 5 of my esc's plugged into the APM2, and the signal, +5v and ground wires connected from motor #1 to the APM2.
So only 1 esc is powering the APM2 when the battery is plugged in.
When I plug the battery in, The lights on the APM2 turn on and some start flashing, and the motors start beeping but they never stop beeping.
Even if the USB cable is plugged into t…