PWM (Pulse Width Modulation) is a method that allows us to control the DC motor speed by changing the average input voltage value by adjusting the on-off pulses series of the Duty Cycle.
PWM: this method is used to control the speed of the dc motor.To control a DC motor you need to control the speed and rotation direction, so there are two methods to do that: Interfacing L298N Motor Driver With Arduino.DC Motor Direction Control Using H Bridge.
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