A Potentiometer (pot) is a resistor that can be both fixed and varied, also known as variable resistors.

A typical Potentiometer:

https://www.adafruit.com/product/356?gclid=Cj0KCQjwu_jYBRD8ARIsAC3EGCJ5JS4kSB1WgJjxSOwnekQ925ZnsxyONZT5ODQkNDcvyr0QBmkxM20aAgm7EALw_wcB

 

 


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