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Rotary Potentiometer Set with B5K, 10K, 20K, 50K, and 100K Single Sensors..

KY-040 Rotary Encoder Module with Push-Button SwitchThe KY-040 Rotary Encoder is a rotary input device that provides an indication of how much the shaft has been rotated and in which direction. Unlike a standard potentiometer, a rotary encoder has no fixed limits and can spin infinitely in either d..