int sensor;
int led = 13;

void setup()
{
  Serial.begin(115200);
  pinMode(A0, INPUT);
  pinMode(led, OUTPUT);
}

void loop ()
{
  sensor = analogRead(A0);
  Serial.println(sensor);
  if(sensor<=300)
  {
    digitalWrite(led, 1);
    Serial.println("Status 1");

  }

   if(sensor>=300 && sensor<=600)
   {
    digitalWrite(led, 0);
    Serial.println("Status 2");
  }

  if(sensor>=600)
  {
  digitalWrite(led, 1);
  Serial.println("Status 3");
  delay (500);
  }
}