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How to measure the voltage across a potentiometer ratiometrically

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jbb:
Sorry, was that 1000 Ohm max or 5k max?

I think we can do this without analog multiplier chips or choppers.  The scheme I’m thinking of will drive the sensor with a constant current that is proportional to the supply rail.

Do you have any maximum current or voltage or power specs for the sensor (variable resistor)?

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