const int tempPin = 33;            // pin 33 of port P1 connected to LM35 output

int Value;

double milivlt,Cel,Far;

void setup()

{

Serial.begin(9600);

}

void loop()

{

  Value = analogRead(tempPin);         //read sensor output value

  milivlt = (Value / 2048.0) * 3300;    // converting it to millivots.

  Cel = milivlt * 0.1;                 // calculating temperature in Celsius

  Far = (Cel * 1.8) + 32;             // convert from C to Fahrenheit

  Serial.print(" Temperature in Celsius = ");

  Serial.print(Cel);

  Serial.print("*C");

  Serial.print("\t Temperature in Fahrenheit = ");

  Serial.print(Far);

  Serial.println("*F");

  delay(2000);                       //check the temperature every 2 second