Quote:
Originally Posted by wilsonmw04
One more thing. I was expecting the output voltage to be linear (constant angle/voltage) but we found that not be remotely true.the first 40 degrees give us roughly a change of .3 volts but the next 45 degrees gives us a change of 1.7 volts. Is this normal?
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It sounds like you picked up a "log" or "audio taper" pot. They're used as volume controls. We accidentally mounted one on our 2004 robot's wrist joint, and it was ridiculously difficult to program for.
If I were you, I wouldn't use it. Get yourself a "linear taper" one. You'll be a lot happier.