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How might a potentiometer be used to give a remote reading of the level of liquid in a tank?

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2008-04-14 08:42:40

By mounting the potentiometer (pot) in a way that the control

shaft can be connected at a right angle to an arm with a float on

it, the varying resistance that would come with changing tank level

could be monitored from a remote location. Just run a couple of

wires from the pot to your remote position. One wire goes to the

wiper and the other wire to one end of the pot. Picture how the

float in a toilet tank works. Instead of a valve operated by the

float, how about having it rotate the shaft of the pot? Should work

pretty well.


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