You can get little tiny USB-to-analog thingees, I think I saw them on MakeZine's website. That seems to be the perfect way to do it. Take the output of that and feed it to a little amp, from that to a voltage gauge. If the voltage gauge is sensitive enough, may not need the amp.
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timeasmymeasure
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Date: 2008-12-16 04:56 am (UTC)