void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  // get analog of A0
  int adcVal = analogRead(A0);
  // calculat voltage
  float v = adcVal * (5.0/1024.0);
  // calculate resistance of thermistor
  float Rt = 10 * v / (5 - v);
  // calculate temperature in kelvin
  float tempK = 1 / (log(Rt / 10) / 3950 + 1 / (273.15 + 25));
  // calculate temperature in celsius
  float tempC = tempK - 273.15;

  // send result to computer via serial port
  Serial.print("Current temperature is: ");
  Serial.print(tempK);
  Serial.print(" K, ");
  Serial.print(tempC);
  Serial.println(" C");
  delay(500);
  
}