void setup() {

  Serial.begin(9600);
  pinMode(11, OUTPUT);

}

void loop() {

  int pot = analogRead(A0);
  Serial.println(pot*0.00488);

  analogWrite(11,0);
  delay(1000);
  analogWrite(11,32);
  delay(1000);
  analogWrite(11,64);
  delay(1000);
  analogWrite(11,128);
  delay(1000);
  analogWrite(11,196);
  delay(1000);
  analogWrite(11,255);
  delay(1000);

}