int sens=27;
int lad=14;
int sensor;
void setup() {
pinMode(lad,OUTPUT);
  Serial.begin(115200);
  Serial.println(sensor);
}

  void loop() {
    sensor=analogRead(sens);
    Serial.println(sensor);
    delay(1000);
    if(sensor>300)
  {
  digitalWrite(lad, HIGH);
  delay(5000);
  }
  else
  {
    digitalWrite(lad, LOW);
    delay(5000);
  }

  }