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Old Mar 30, 2015, 11:26 PM
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Joined Sep 2008
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any one did this work with dsx7(dx7)?
i can bind with x4, so i think my problem is with ppm on dsc port(trainer)
i used the 10k voltage divider, but not work at all

Thanks
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Old Mar 31, 2015, 05:37 AM
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France, Aquitaine, Bordeaux
Joined Feb 2010
2,095 Posts
Remove the resistor going to ground in the divider (leave only the one in serial) then it should work, that's because PPM output level is 3.3V on Spektrum radios, if you use a 1/2 voltage divider, only 1.65V goes to the AVR, which is not enough to pull the input HIGH.

You may have to set endpoints too.
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Last edited by goebish; Mar 31, 2015 at 05:43 AM.
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Old Yesterday, 03:25 PM
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Joined Jan 2015
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Hi Midelic,
I have a problem with your Recepter. I tested your 5 programs and none on work. I can't bind except for the "Hubsan_RX_ppm_M328_16Mhz" where ppm does not. Furthermore the ppm is inversed.
Would it be possible to have the sources to correct and test directly.
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