#define sensorPin  A0

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

void loop()
{
  int reading = analogRead(sensorPin);
  float voltage = (reading/1024.0) * 5.0;
  float temp = (voltage - .5) * 100;

  Serial.print(voltage); Serial.print(" volts  -  ");
  Serial.print(temp); Serial.print(" degrees C  -  ");

  delay(3000);
}