Thermistor NTC3950 de 100K con Arduino

Codigo:

#include <math.h>

double Thermistor(int RawADC) {
 double Temp;
 Temp = log(10000.0*((1024.0/RawADC-1)));
 Temp = 1 / (0.001129148 + (0.000234125 + (0.0000000876741 * Temp * Temp ))* Temp );
 Temp = Temp - 273.15;        
 Temp = (Temp * 9.0)/ 5.0 + 32.0;
 return Temp;
}

void setup() {
 Serial.begin(9600);
}

void loop() {            
  int val;              
  double tempFahrenheith;          
  val=analogRead(2);    
 
  tempFahrenheith=Thermistor(val);

  double tempCelcius = (tempFahrenheith - 32) * 5/9;
 
  Serial.print("Temperature = ");
  Serial.print(tempCelcius);  
  Serial.println(" C");
  delay(1000);          
}