Pic signal measurement timer pbp33/29/2024 In this article we will see how to generate a PWM Signal using timers in 8051 Mocrocontroller and also how to control the speed of DC motor using tthat PWM signal. In 8051 microcontroller, the timers are used to generate the PWM wave. By varying the width of this PWM wave, we can control the speed of DC motor. Here, we do the same experiment by using a microcontroller.įor that purpose, here we will use 8051 controller to produce PWM wave. We can achieve speed control of DC motor using mechanical or electrical techniques but they require large size hardware to implement but a Microcontroller based system provides an easy way to control the speed of DC motor.Įarlier, we have already seen how to control the speed of DC motor using PWM without Microcontroller. Here we will use a technique called PWM (Pulse Width Modulation) to control the speed of DC motor. It is important to control the speed of DC motor in many applications, where precision and protection are essential.
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