Product Review

uniquegoods 6V 12V 24V Digital Display LED DC Motor Speed Controller PWM Stepless Speed Control Switch HHO Driver - Black CCM5D BLUE
Features:
CCM5D DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM).
Large 0.56 inch 3-digit LED display numbers allow viewing under the most adverse conditions.
The display range of 3-digit blue LED display is "000"-"100". (For example, displayed "066" as the picture 1, it means that the PWM output duty cycle is 66%. )
Adjustable speed range is 0%-100%.
Suitable for the DC motor (or DC load) within 5A, Peak current 8A.
Incorporate a push key. Push closed, and then push open.

Operating instruction:

Before you attempting to wire the controller, make sure power is off.
WARNING: DO NOT REVERSE POSTIVE AND NEGATIVE POWER LOADS.THIS WILL DAMAGE THE CONTROLLER.TO CHANGE MOTOR DIRECTION, INTERCHANGE THE POSITIVE AND NEGATIVE WIRES OF MOTOR.
1. Connect wires refer to the "wiring diagram
2. Turn on the power, and adjust the potentiometer.
3. The LED display displays the PWM output duty cycle.
4. Push the key, the controller closed, push it again, the controller open.
Package Including:
1 x DC Motor Speed Controller