Potential knob sensor, with analog signal output, can transform the angle of single-turn rotation into voltage change, measurement range 0~300°, voltage output range 0~power supply voltage. Product name: Knob sensor, Mechanical size: 26x41(mm) Installation hole distance: 16(mm), Installation aperture: φ3.3(mm) Power requirement: +3.0-5.5V, Signal type: analog signal input clockwise, value ↑ Electrical interface: XH2.54-3P, Pin definition: G-ground V-power S-signal Color: As Shown Material: PCB Package Contents: 1 x For Arduino/ESP32 Knob Potentiometer Module 1 x Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.