#define lm35_data_pin  A0  /* LM35 O/P pin */

void setup() {
  Serial.begin(9600);
}

void loop() {
  int temp_adc_value;
  float temp_value;
  temp_adc_value = analogRead(lm35_data_pin);  /* Read Temperature */
  temp_value = (temp_adc_value * 4.88); /* Convert adc value to equivalent voltage */
  temp_value = (temp_value/10); /* LM35 gives output of 10mv/°C */
  Serial.print("Temperature = ");
  Serial.print(temp_value);
  Serial.println(" Degree Celsius");
  delay(1000);
}