float tempC;
long reading;
int tempPin = A0;

void setup() {
  Serial.begin(9600);
  pinMode(tempPin, INPUT);
}

void loop() {
  reading = analogRead(tempPin);
  tempC = float(reading)*0.0049;
  tempC = tempC/0.01;
  Serial.println(tempC);
  Serial.println(" Celcius");
  delay(500);
}