You would at least reach a min of 60 ohms but w/o calculating it would not reach 15K at the max. Here .795 is the maximum resistance this potentiometer has. voltage = map(analogValue, 0, 1023, 0, VCC); Rescale to the controllable value (e.g volume of stereo, brightness, speed of DC motor... ) . RC Arduino Domino Layer With Bluetooth App Control. Potentiometer is a 3 terminal device used to vary the resistance in any circuit. If you want to know more about this electronic component, check this pin diagram, and an insight on working of potentiometerApparatus required: 1. Technically ground isn't neutral, it's an alternate positive (as in positive charge, not positive voltage relative to another voltage) where electricity can flow in case of a short. Advertising Center Engineering Forum Choosing the right potentiometer is easy if you know what to look for. Engineering Book Store hi, i am doing an experiment where i have use a 10k pot. The pot then contains 10 + 3 + 10 + 10 = $33. R1 will have 5V minus 2.2V, giving us 2.8V across it. The series resistor is necessary for limiting the current to 20 mA. document.write('