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ZnDiy-BRY 1803BKW 2A DC Motor Speed Controller Switch
1803BKW DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM); The input voltage range is DC 1.8~12V; Duty Cycle adjustable range is 5%~100%; Use a 2A resettable fuse to protect the controller; Potentiometer with switch function. Operating instruction: Before you attempt to wire the controller£¬ make sure the power is off. Warning: to change motor direction£¬ interchanger the positive and negtive wires of motor. 1. Connect wires refer to the wiring diagram (NO.4 picture); 2. Turn on the power£¬ and adjust the potentiometer; 3. The LED indicates the power up and the speed of motor.