Newsgroups: comp.robotics
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From: exujet@exu.ericsson.se (Jerry Ethridge)
Subject: Re: 2 circuit design questions
Message-ID: <1994Feb25.183125.25805@exu.ericsson.se>
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Organization: Ericsson Network Systems, Inc.
References: <8549@falcon.ukc.ac.uk>
Date: Fri, 25 Feb 1994 18:31:25 GMT
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In article 8549@falcon.ukc.ac.uk, jf2@ukc.ac.uk (The Black Baron) writes:
>I have 2 questions about circuit design, and I can't find a completely
>appropriate newsgroup for them (so if anyone knows of one, could they
>point me in it's direction please !)
>
>1. How do I go about producing a programmable variable resistance ?
>   i.e. I want to be able to send either serial, or preferably parallel
>   data to a 'device'/piece of circuit/whatever that will make the
>   device/thing change it's resistance. A computer controlled potentiometer,
>   if you will.
>

Maxim makes a part that does just what you described. Don't have the
databook with me at the moment so I cannot give a specific part no.

Hope that helps,
Jerry E.


