Re: [Paparazzi-devel] PPM signal constructor from servo plugs

[Todd Sandercock]

How hard would it be to write the code and does anyone know what line on the 
receiver needs to be tapped into?

Todd

On 14/08/2008, at 2:07 AM, "address@hidden" <address@hidden> wrote:

The Spektrum receivers use a PPM line that can be tapped for PPRZ use.  I 
believe the format is a little different though so there would be a little 
coding to do.  This is of little interest to most people because it can't be 
used with common 2.4G video.

PCM is of questionable value - if you're going to fly manually at great 
distances you should probably write some code to do it through the modem.
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I was wondering if anyone had ever done any work with a ppm constructor of some 
sort that plugs into the servo connectors of any receiver then constructs a ppm 
signal for pprz use.. I just want to start possibly using pcm or 2.4 stuff and 
without this there is no way.. Does anyone have any comments on the use of 
these two bands?


Thanks
Dan
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