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Code To Make Fading LED Using Arduino.....

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You Will Need:

1. Arduino Board (I Am Using Arduino UNO)
2. A Data Cable
3. LED Lights
4. Male To Female Jumper Wires

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Here's The Code.....

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int ledPin = 11;    // LED connected to digital pin 11

void setup()  {
  // nothing happens in setup
}

void loop()  {
  // fade in from min to max in increments of 5 points:
  for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5) {
    // sets the value (range from 0 to 255):
    analogWrite(ledPin, fadeValue);       
    // wait for 30 milliseconds to see the dimming effect   
    delay(100);                           
  }

  // fade out from max to min in increments of 5 points:
  for(int fadeValue = 255 ; fadeValue >= 0; fadeValue -=5) {
    // sets the value (range from 0 to 255):
    analogWrite(ledPin, fadeValue);       
    // wait for 30 milliseconds to see the dimming effect   
    delay(100);                           
  }

}

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Here's Another Code..........

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#define LED 11

void setup() {
  pinMode(11, OUTPUT);

}

void loop() {
  int i;
  for(i=0;i<255;i++){
    analogWrite(11, i);
    delay(100);
  }
  for(i--;i>255;i=0){
    analogWrite(i, 11);
    delay(100);
  }


}

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Code For Making Blinking LED.......

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You Will Need.......
*Material Same As For Fading LED And Blinking LED*

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Here's The Code.........

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#define LED 11

void setup(){
  pinMode(11, OUTPUT);
 
}
void loop(){
  digitalWrite(11, HIGH);
  delay(70);
  digitalWrite(11, LOW);
  delay(2000);
}

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