Features: 1203B DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). The input power range is DC6-28V . 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" (NO.5 picture). 2. Turn on the power, and adjust the potentiometer. 2. The LED indicates the power up and the speed of motor. Package Including: 1 x DC Motor Speed Controller
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