Arduino Programming basic Led fade

Video:

Program:

int led = 9;           // the pin that 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);

}

For details follow us and ask in  Contact Form. You will receive response in 24 hours