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Unread 02-04-2014, 07:03
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Re: Potentiometer issues

Quote:
Originally Posted by Alan Anderson View Post
A properly wired potentiometer is an "absolute rotary encoder" with an analog output. What sort of high current situation did you think you might encounter? What kind of value were you seeing on the signal wire when you measured it, and how were you powering it?
Thanks...yes, not the best clarification. We used the magnetic rotary encoder from Austriamicrosystems. But to answer your questions, I was concerned what would happen if the potentiometer was turned to a point where it was adding such a small amount of resistance that the current would exceed 500mA, and we would get a value that hung around 0.27 on the signal pin regardless if how the potentiometer was turned. And we were powering it with the 5 volts from the analog breakout.
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