9V-24V, 3A DC PWM Motor Speed Controller & Tester (With buttons)

A 9V-24V, 3A DC PWM motor speed controller is a device that allows you to control the speed of a DC motor by adjusting the duty cycle of a pulse-width modulated (PWM) signal. The controller typically consists of an input for the power supply, an output for the motor, and a set of controls for adjusting the duty cycle of the PWM signal. Some controllers may also include a display for showing the current speed of the motor or other information. To use a 9V-24V, 3A DC PWM motor speed controller, you will need to connect the power supply to the controller and the motor to the controller's output. You can then use the controls on the controller to adjust the duty cycle of the PWM signal and thereby control the speed of the motor. Some controllers may also include buttons or a rotary dial for fine-tuning the speed or switching between different modes of operation. In addition to controlling the speed of a DC motor, a 9V-24V, 3A DC PWM motor speed controller can also be used to test the performance of the motor. You can use the controller to run the motor at different speeds and observe its behavior, or to measure the current draw and power output of the motor at various speeds.     Enable to provide a continuous current of 3A to your DC motor or other DC load.Control the forward or reverse direction and the stop of DC motor by button switch.Press the red button, the motor reverses rotates; and release the button, the motor stops.Press the green button, the motor clockwise rotates; and release the button, the motor stops. Before you attempting to wire the controller, make sure power is off.1. Connect wires refer to the "wiring diagram".2. Turn on the power, and adjust the potentiometer.3. The LED indicates the power up and the speed of motor.4. Control the forward or reverse direction of DC motor by button switches.