So ya, finally got my SW all built. The system is built like this:
(EZUHF > ppm sum out to > APM2.0 (powered by 5v bec on output8) > servos (chan1-7)
So ya, on bootup all 4 wing servos work fine, but after 10-15 seconds only channels 1-4 continue to respond..... (enough time to acquire GPS lock??)
Whats goin on?
Mike, you're amazing! Everything works perfectly. I know this seems a simple fix for you but I wouldn't have found it for a long time. I also just physically reversed the servo and the flaps are looking great.
Thanks so much!
Sorry, I ask all these questions because I don't think it is a coincidence that it's 1-4 working, and 5-7 not working. Those channels are handled differently, by default, in ArduPlane....
What did you configure 5-7 as? Do you mean they are not responding to RC tx inputs? Do you see those channels respond in the TX calibration page, or in the "status" page from Mission Planner?
Are these also control surfaces, or are they camera servos, or something else?
What version of code are you running? Did you calibrate the TX in Mission Planner? What mode are you in when this happens?
Maybe your ESC/BEC can't handle the current and it's browning out? You need a pretty beefy BEC to handle APM + four servos.