How to Fade LED with Arduino | Fade LED | INNOVATIVE SCIENTIFIC INVENTIONS |

Hello Friends!Welcome back to 'INNOVATIVE SCIENTIFIC INVENTIONS'. Today I will show you. How to Fade LED with Arduino UNO.

Circuit Diagram: 

Code: 

           //CODE

int led = 9;           // the PWM pin the LED is attached to

int brightness = 0;    // how bright the LED is

int fadeAmount = 5;    // how many points to fade the LED by

// the setup routine runs once when you press reset:

void setup() {

  // declare pin 9 to be an output:

  pinMode(led, OUTPUT);

}

// the loop routine runs over and over again forever:

void loop() {

  // set the brightness of pin 9:

  analogWrite(led, brightness);

  // change the brightness for next time through the loop:

  brightness = brightness + fadeAmount;

  // reverse the direction of the fading at the ends of the fade:

  if (brightness <= 0 || brightness >= 255) {

    fadeAmount = -fadeAmount;

  }

  // wait for 30 milliseconds to see the dimming effect

  delay(30);

}

 What do you need to create this project?

1. Arduino UNO.
2.  LED 

How to Upload Code in Arduino:

1. Open Arduino IDE.
2. Paste the code in Arduino IDE.
3. Compile the Code.
4. Upload the Code in Board.

How to Select Board:

1. Open Arduino IDE
2. Click on 'Tools' Option
3. Click on 'Board'
4. Select your Board

How to Select Port:

1. Open Arduino IDE
2. Click on 'Tools' Option
3. Click on 'Port'
4. Select your Port

How to Save Sketch in Computer:

1. Open Arduino IDE
2. Click on 'File' Option
3. Click on 'Save' Option
4. Select your Folder

How to 'Save as' Sketch:

1. Open Arduino IDE
2. Click on 'File' Option
3. Click on 'Save as' Option
4. Select your Folder

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