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Re: [Paparazzi-devel] more than 8 autopilot controlled channels possibl

From: antoine drouin
Subject: Re: [Paparazzi-devel] more than 8 autopilot controlled channels possible?
Date: Wed, 19 May 2010 00:32:47 +0200

It should be no problem cascading more 4017, but you'll soon hit a
limit in term of refresh rate ( 2ms * 10 = 20ms is 50hz).
What about using a twog as a slave servo driver and connect it to your
autopilot via I2C ?

I have made a servo driver board last year for that kind of
applications ( ) where servos are
located far from the autopilot. A nice way to connect it to the
autopilot is using CAN bus rater than I2C. I am making a new version
of this servo driver board based on a stm32 and it should be ready



On Tue, May 18, 2010 at 6:47 PM, Chris <address@hidden> wrote:
> Hi.
> Has anyone tried to increase the channel count from 8 to say 10 or more?
> (I am out of channels :-)  )
> I know that cascading 4017 might be needed.
> Chris
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden

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