Look for a "rotary pulse generator"  I have one right here...
check out this URL:

http://www.semiconductor.agilent.com/cgi-bin/morpheus/home/home.jsp?pSection
=Motion+Control

-----Original Message-----
From: Josh Koffman [mailto:listsjosh@3MTMP.COM]
Sent: Monday, January 21, 2002 2:43 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC]: Rotary dial switch


How about a rotary encoder? If it's quadrature you can figure out if
it's going CW or CCW.

Josh
--
A common mistake that people make when trying to design something
completely foolproof is to underestimate the ingenuity of complete
fools.
        -Douglas Adams

Tal Bejerano - AMC wrote:
>
> Hi 2 all!
>
> Did anyone saw on the 'net a rotary switch like in VCRs or like in some
fax
> machines? those you need to rotate with a finger. I really want to find a
> switch that give pulses when you dial to the right and different pulses
when
> dial to the left.
> I try to locate it on the 'net but no success, maybe I'm not using the
> correct name of this part?
> any ideas?
>
> Thanks
>
> Tal

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