Hi All Here's the problem: I want to control a potentiometer with a foot pedal. Pot is read by Uno analog input. If I connect the potentiometer direct to the foot pedal axis, I will get a a range of about 40 degrees movement on the pot. This is actually 20 degrees forward and 20 degrees backwards …

Small potentiometer range to give full 0-5V?

system January 28, 2013, 9:56pm 5

Cost. Plus I would need 6 digital pins (3 per pedal for A,B and Z signals), which I don't have.

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