FrSky D4R-II PPM issues, PWM and PPM explained.

by rchacker | February 1, 2013 | (7) Posted in Tips

Marc has figured out what was causing his Mini Tricopter to fall out of the sky. Fortunately FrSky have a solution with a firmware update. They have a good reputation for listening to their customers. Well done I say.

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COMMENTS

tramsgar on February 1, 2013
I've read about this, but seeing it while thoroughly explained is a great deal more interesting - thanks! Maybe you could also explain why they chose a frame length of 27 ms?
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rchacker on February 1, 2013
Reliability I guess, and 37Hz is fast enough for the Ardupilot which it was kind of written for. There is probably room to put 9 or 10 channels in there now.
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bogner on February 10, 2013
I had my tricopter with FRSkyfall out of the air about a month ago and couldn't figure it out. I am glad to see there is a fix or else I wouldn't feel good about flying with the frsky units anymore.
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FrSky D4R-II PPM issues, PWM and PPM explained.