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This is the system. The resistance changes with the position of the ball. The power source is from a power suply. I need to regulate the ball to stay in the middle. Sorry the picture doesnt show everything its the only one I have right now.
I am looking at the constant current source circuits and I don't know which one would be the best for me. I have DC voltage that I can change from 24V to 5V.
I have a reisistor made out of 2 resistance wires and they get connected by a moving metal ball. The resistance changes from 6 Ohms to 66 Ohms. I need to make a circuit to read voltage(0V-10V) or current(4mA-20mA). Right now I read it with a voltage divider but its nonlinear and I'm looking for...
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