Arduino 1.4

#define LED_PIN 11
#define LDR_PIN A0
#define POT_PIN A1
void setup() {
Serial.begin(9600);
pinMode(LED_PIN, OUTPUT);
pinMode(10, OUTPUT);
}
void loop() {
int lightness = analogRead(LDR_PIN); //считываем уровень освещенности
  if(lightness<951)
  {
    analogWrite(LED_PIN,255);
  }
  else
  {
    analogWrite(11,0);
  }

  if(lightness<475)
  {
    analogWrite(10, 255);
  }
  else
  {
    analogWrite(10,0);
  }
  Serial.println(lightness);

}