There are two types of potentiometers; mechanical and electronic. The terminals of the mechanical potentiometer are called CW (clockwise), CCW (counter clockwise), and wiper. The corresponding names or designations for theterminals of the electronic version are VH or RH, VL or RL,and the wiper VW or RW. The mechanical pot is a three terminal device while the electronic pot is an integrated circuit with a minimum of eight terminals.
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