int ledBlue = 3;         // the PWM pin the LED is attached to
int ledGreen = 5;         // the PWM pin the LED is attached to
int ledRed = 6;         // the PWM pin the LED is attached to

void setup() {
  pinMode(ledRed, OUTPUT);
  pinMode(ledGreen, OUTPUT);
  pinMode(ledBlue, OUTPUT);
}

void loop() {
  analogWrite(ledRed, (1*255));
  delay(1000);

  analogWrite(ledRed, (0.2*255));
  analogWrite(ledGreen, (0.5*255));
  delay(500);
  analogWrite(ledRed, (0*255));
  analogWrite(ledGreen, (0*255));

  for(int i=0; i<6; i++){
    analogWrite(ledBlue, (i*255/5));
    delay(200);

  }
  analogWrite(ledBlue, (0*255));

  delay(1000);
}