#define sensorPin A0

void setup() {
  // Begin serial communication at a baud rate of 9600:
  Serial.begin(9600);
  pinMode(9, INPUT);
}

void loop() {

  const float BETA = 3950; // should match the Beta Coefficient of the thermistor
  int analogValue = analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.println(celsius);

  // // Get a reading from the temperature sensor:
  // int reading = analogRead(sensorPin);

  // // Convert the reading into voltage:
  // float voltage = reading * (5000 / 1024.0);

  // // Convert the voltage into the temperature in Celsius:
  // float temperature = (voltage - 500) / 100;

  // // Print the temperature in the Serial Monitor:
  // Serial.print(temperature);

  // Serial.print(" \xC2\xB0"); // shows degree symbol
  // Serial.println("C");

  delay(1000); // wait a second between readings
}