Speed control of DC motorSpeed control of DC motors have many ways. Which may be used to control the basics, such as with the use of general control resistor to adjust ค่าโดย serial with the motor. Or used to control by changing the value of the voltage level at the input to the motor. But the controls in such a way, although the speed control motor constant. But at low speeds will result in low strength twist. Therefore, we choose to use, how to control by supplying power to the motor is. Based on the current input to the motor as impurities in each period. Method of the view, which we call the forces the width of the pulse PWM (Pulse Width Modulation).
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