Need advise on PIC controlling a variable resistor

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  1. - 6th February 2006, 21:58 #1
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    Default Need advise on PIC controlling a variable resistor

    Hi All,

    I am working on a project that needs a variable resistor, and a really want to digitally control this from a PIC. I am investigating Digital Potentiometers but they are limited to only 256 wiper steps. Also considering a D/A converter, but the sticker shock for a good 16-bit converter is quite high!

    Has anyone faced this challenge and how did you solve it without spending $20 for a fancy D/A 16bit converter?
    Last edited by baldwics; - 6th February 2006 at 22:01.
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