int photoresistor = A0;
int led1=1;
int led2=2;
int led3=3;
 void setup()
 {
Serial.begin(9600);
pinMode (led1, OUTPUT);
pinMode (led2, OUTPUT);
pinMode (led3, OUTPUT);
 }
 void loop()
 { 
 int value = analogRead(photoresistor);
  Serial.print("Value: ");
  Serial.println(value);
  int light = map(value, 1023, 0, 10, 0);
  Serial.print("Light: ");
  Serial.println(light);
  if (light < 5) {
    digitalWrite(led1, HIGH);
    Serial.println("LED - ON");
  }
  else {
    digitalWrite(led1, LOW);
    Serial.println("LED - OFF");
  }
  delay(1000);
}