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From: smith@sndpit.enet.dec.com (Willie Smith)
Newsgroups: sci.electronics
Subject: Re: RC servo signals
Message-ID: <857@sousa.enet.dec.com>
Date: 27 Feb 91 19:17:13 GMT
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Organization: Digital Equipment Corporation
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In article <1991Feb18.190110.23245@noose.ecn.purdue.edu>, 
	yegerleh@vivaldi.ecn.purdue.edu (James D Yegerlehner) writes...
>Some months ago, some kind and knowledgeable soul posted a brief
>description of the signal that one of those remote control airplane
>engine throttle servos expects.  I recall that it was some odd
>kind of pulse width modulation, but little more.  Does anyone 
>still have that post, and if so, could you repost?  Oh, I would
>also like to know what color coding of each of the wires means, 
>if this is standard.

The servos see a PWM signal with a period of about 20 ms and a pulse width 
of between 1 and 2 ms.  Usually red is power supply (4 to 6 volts or so), 
black is ground, and white is the PWM signal.  Send mail for more info, but 
that should be enough to make them work.

Willie Smith
smith@sndpit.enet.dec.com
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