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Originally Posted by Kevin Watson
Actually, it doesn't alter the amount of resolution you have. What it does do is raise the amount of current flowing through the potentiometer. As the currents involved in both cases are miniscule (100K = 50uA, 10K = 500uA), I'd go ahead and use the 10K.
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Yep, I realized that after I posted. I had a brainfart and originally was thinking that the RC somehow measured resistance. But of course, it measures the voltage, and that will be the same for the 100K and 10K.