int led = 11;
int fadeAmount = 5;
int brightness = 0;



void setup() {
  // put your setup code here, to run once:
pinMode(11, OUTPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
for(brightness; brightness <= 255; brightness){
  brightness = brightness + 5;
  analogWrite(led,brightness);
  delay(30);
  Serial.println(brightness);
}

for(brightness; brightness >= 0; brightness){
  brightness = brightness - 5;
  analogWrite(led,brightness);
  delay(30);
  Serial.println(brightness);
}


}