/*const int ledpin = 3;
int value = 255;

void setup() {
  // put your setup code here, to run once:
  pinMode(ledpin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  analogWrite(ledpin, 0);
  delay(200);
  analogWrite(ledpin, value / 3); //0.33 *255
  delay(200);
  analogWrite(ledpin, ((value / 3) * 2)); //0.66 *255
  delay(200);
  analogWrite(ledpin, value);
  delay(200);
  analogWrite(ledpin, ((value / 3) * 2));
  delay(200);
  analogWrite(ledpin, value / 3);
  delay(200);
  analogWrite(ledpin, 0);
  delay(200);
}
*/

// PWM //////////////////////////////////////////////////////////////////////////

#define pin 3

void setup() {
  // put your setup code here, to run once:
  pinMode(pin, OUTPUT); // Sets pin 3 as Output
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int i = 0; i < 100; i++) // Schleife lauft von 0 bis 100 mal
  {
    int temp = 255 / 100 * i;  // temp variable speichert den ergebnis als Zahl (255 = 100%)
    analogWrite(pin, temp);  // ledPin leuchtet laut die erg von temp (letzte Berechnung)
    delay(20); // ledwartet aendert helligkeit jeder 20 (mikrosekunde?)
  }
  for (int i = 100; i > 0; i--) // Schleife lauft von 100 bis 0 mal
  {
    int temp = 255 / 100 * i; // temp variable speichert den ergebnis als Zahl (255 = 100%)
    analogWrite(pin, temp); // ledPin leuchtet laut die erg von temp (letzte Berechnung)
    delay(20); // ledwartet aendert helligkeit jeder 20 (mikrosekunde?)
  }

}

/////////////////////////////////////////////////////////////////////////////////