First of alll, we should know which pins of Arduino can be used for PWM purposes.You can download the complete simulation along with its Arduino code for Arduino PWM by clicking the below button:.Anyways, let's get back to How to use Arduino PWM Pins: Moreover, you can also have a look at DC Motor Speed Control using Arduino in which I have controlled the speed of DC Motor with LDR Sensor. In this tutorial, I have explained in detail about PWM signal. I have posted many tutorials on PWM for example you should have a look at How to Generate PWM in 8051 Microcontroller. For example, if the pulse is of 12V and you turn it into 6V using PWM then the duty cycle of PWM is 50%. Duty Cycle is the percentage for which the pulse remains HIGH. Another important thing related to PWM is duty cycle. I will use PWM on 12V signal and then reduce it to 6V. Suppose, we have a 12V DC signal but my requirement is to get the 6V instetad of 12V so here what I need is PWM. PWM is an abbreviation of Pulse Width Modulation, its a simple technique in which we just modulate the width of a pulse to get our required results. So, today we will have a look at How to do that. In our previous tutorial, we have seen How to use analogWrite in Arduino and I have told you in that tutorial that we use this command for PWM as well. We will design a small code in which we will be controlling a dc motor's speed using the Arduino PWM Pins but before going into the details, let me first give you an introduction to Arduino PWM Pins because without understanding the PWM, which is the abbreviation of Pulse Width Modulation, you won't be able to understand How to use Arduino PWM Pins. It's the next tutorial in our new Arduino Tutorial for Beginners series. In today's tutorial, I am going to show you How to use Arduino PWM Pins. Hello friends, I hope you all are doing great.
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