const int tempPin = A0;

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

  Serial.println("Temperature Monitoring System");
}

void loop()
{
  int sensorValue;

  float voltage;

  float temperature;

  sensorValue = analogRead(tempPin);

  voltage = sensorValue * (5.0 / 1023.0);

  temperature = (voltage - 0.5) * 100.0;

  Serial.print("Temperature = ");

  Serial.print(temperature);

  Serial.println(" Degree Celsius");

  delay(1000);
}