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

void setup() {
  pinMode(8, OUTPUT);
  pinMode(A0, INPUT);
  Serial.begin(9600);
}

void loop() {
  // get the ADC value from the temperature sensor
  int p = analogRead(A0);
  // convert the ADC value to voltage in millivolt
  float milliVolt = p* (4.88);
  // convert the voltage to the temperature in Celsius
  float tempC = milliVolt / 10;
  // convert the Celsius to Fahrenheit
  float tempF = tempC * 9 / 5 + 32;
  if(tempC<25)
  digitalWrite(8, LOW);
  else
  digitalWrite(8, HIGH);
  // print the temperature in the Serial Monitor:
  Serial.print("Temperature: ");
  Serial.print(tempC);   // print the temperature in Celsius
  Serial.print("°C");
  Serial.print("  ~  "); // separator between Celsius and Fahrenheit
  Serial.print(tempF);   // print the temperature in Fahrenheit
  Serial.println("°F");

  delay(1000);
}