10 PCS 360 Degrees Rotary Encoder Module KY-040 HW-040 Sensor Switch 6MM Half Shaft Potentiometer Rotary Knob Cap 15×17 15×13.5

10 PCS 360 Degrees Rotary Encoder Module KY-040 HW-040 Sensor Switch 6MM Half Shaft Potentiometer Rotary Knob Cap 15×17 15×13.5

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