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The speed of motor rotation can be adjusted according to 0~100% through twisting the “Adjustable potentiometer”, and the screen will display digital 0~100. That means when the screen display digital “0”, the motor stop rotating; when the screen display digital “1 ~100”, the motor rotating. The higher the number, the faster rotation. When the screen display digital “100”, that means the speed of motor rotation is fastest.
Usage:
Connect power wire to the terminal “Input”. Connect the DC motor to the terminal “Output”.
Press the button: motor rotating
Twist the “Adjustable potentiometer” to adjust the speed of motor rotation. Twist clockwise, motor rotation will speed up; Twist anti-clockwise, motor rotation will slow down.