int led = 6;
int fadeamount = 5;
int brightness = 0;


void setup() {
  pinMode(led, OUTPUT);
  Serial.begin(9600);

}

void loop() {
do {
  analogWrite(led, brightness);
  brightness = brightness + fadeamount;

  Serial.println(brightness);
  delay(500);
} while (analogWrite(led, 255));

}