Value Display potentiometer is a precision electronic device that usually consists of a rotatable knob that adjusts the desired potential difference and a digital display that displays the currently set value in real time. It combines traditional analog potentiometers with modern digital technology. Compared to traditional potentiometers, numerical display potentiometers provide more intuitive and precise numerical feedback, allowing operators to quickly and accurately set the required potential values. Its core components include a precision resistance track, a sliding contact, and an encoder for reading the position of the contact. By rotating the knob, the sliding contact moves on the resistance track, thereby changing the resistance value in the circuit and thus adjusting the output voltage. The encoder converts the position of the sliding contact into a digital signal that is finally presented in digital form on the display.

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