/*
 * Created by ArduinoGetStarted.com
 *
 * This example code is in the public domain
 *
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-lm35-temperature-sensor
 */

#define ADC_VREF_mV    5000.0 // in millivolt
#define ADC_RESOLUTION 1024.0
#define PIN_LM35       A0

void setup() {
  pinMode(A0,INPUT);
  pinMode(5,OUTPUT);
  Serial.begin(9600);
}

void loop() {
  int x=analogRead(A0);
  float temp=(x*4.88)/10;
  if(x<30)
  digitalWrite(5,LOW);
  else
  digitalWrite(5,HIGH);
  delay(2000);

}