void setup() {
  Serial.begin(9600);

  pinMode(3, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(4, OUTPUT);

  digitalWrite(4, LOW);


  TCCR2A |= (1<<WGM20)  | (1<<COM2A0) | (1<<COM2B0) ;
  TCCR2B |= (1<<WGM22) | /* (1<<CS20) |  (1<<CS21) |*/  (1<<CS22) ;


  
  //OCR2B = 10;

}

void loop() {


for (int i=0;i<255;i++) {
  OCR2A = i;
  delay(100);
  Serial.println(i);
  //Serial.println(",");
}

}