"Same problem, different solution.
I got ~5v on both sides of the fuse, but only on the bottom (exterior) side of the diode. top (interior) side was dead.
I was looking at replacing/bypassing the diode.
I'd previously used ESC's…"
"I'm having this same problem. Constant flash suggest it's ready to arm, but it won't. It will only arm when connected to USB (whether Mission Planner is running or completely closed out).
I checked voltage per the linked…"