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This speed controller was developed especially for low-voltage electric motors. The main areas of application are: Continuous speed control of DC drills, model cars, wiper motors as well as for power tools. Due to the pulse width control, which works with a frequency of approx. 20 kHz, the power loss remains low even at low speeds. By using a MOSFET transistor, the output current from 0 to 5A can be continuously adjusted with a potentiometer, whereby the electronics are protected in case of sudden blocking of the motor. The adjustment range of the motor extends from complete standstill to maximum speed.This text is machine translated.