I understand that I can power it from two separate sources but I was under the impression if I had the APM 2.5 Power Module I would only need one power source. Before I did the ESCs calibration it was all being powered from the one source…"
The APM powers up from the USB port, but it does not seem to power up from the APM 2.5 Power Module I just get single beeping noise and the motors twitch. Also the receiver and GPS are not turning on like they do when I power it from the USB port.…