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Re: [Paparazzi-devel] ATMMega PPM Encoder

From: Chris
Subject: Re: [Paparazzi-devel] ATMMega PPM Encoder
Date: Tue, 24 Apr 2012 19:07:49 +0300
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20120313 Thunderbird/3.1.20

Then either the PPM polarity in the radio file is wrong or the radio file does not have 8 channels declared. Do me a favor and put a 1k resistor and a led in series to the ppm output in order to check if there is actually an output signal (the led will blink very fast but it is visible.
The led has polarity so try both ways there is no problem doing that.
You could also use an oscilloscope if you have.

On 04/24/2012 07:00 PM, address@hidden wrote:
We have tried everything. Our PPM is blinking at 3Hz but no PPM arrives to the 
Yapa (all zeros message)! Plugging in servos directly to the receiver, they do 
follow the sticks. We cannot explain it!

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