int LDR_V;

void setup() {
  // put your setup code here, to run once:
  pinMode(A2, INPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  LDR_V = analogRead(A2);
  Serial.println(LDR_V);
  delay (200);
  

  
  if(LDR_V < 400)
  {
    digitalWrite(11, 1);
    digitalWrite(10, 0);
    digitalWrite(9, 0);
  }
  else if(LDR_V < 750)
  {
    digitalWrite(11, 0);
    digitalWrite(10, 1);
    digitalWrite(9, 0);
  }
  else
  {
    digitalWrite(11, 0);
    digitalWrite(10, 0);
    digitalWrite(9, 1);
  }
}