#define sensorPin A0

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

void loop() {
  int reading = analogRead(sensorPin);

  float voltage = reading * (5.0 / 1024.0);

  float temperatureC = voltage * 100;

  Serial.print("Temperature: ");
  Serial.print(temperatureC);
  delay(500); // wait a second between readings
}