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[Paparazzi-devel] ppm encoder


From: flyordie
Subject: [Paparazzi-devel] ppm encoder
Date: Tue, 28 Sep 2010 14:26:35 +0200 (CEST)

I discovered something with my ppm decoder. 
So the background is that during some test flights I lost my safety link and 
coudn t get it back not even after landing. Luckily my autoland is just working 
fine and I never had any damages on my airframe.  So I started digging for the 
reason. It seams to be the encoder which is in case of a minimal voltage 
breakdown of less than 2s jumping in some strange mode or behavior. the led is 
blinking hat a really high rate and not very bright. no chance  to recover from 
that. The only option is to shut it down for more than 3s and re-power it. 
After that everything works normal.
of course I m already looking for the reason of the voltage breakdown and 
checking every cable related to it but has anyone discovered something similar? 
How did you fixed that problem. It s  "only" a safety issue but it would be ice 
to get the safety link back even after a short loss 
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