#define analogIn A0

int RawValue= 0;
double tempC = 0;
double tempF = 0;
const double BETA = 3950;

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

void loop(){
  
  RawValue = analogRead(analogIn);
  tempC = 1 / (log(1 / (1023. / RawValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  tempF = (tempC * 1.8) + 32; // convert to F  
  Serial.print("\t Temperature in C = ");
  Serial.print(tempC,1);
  Serial.print("\t Temperature in F = ");
  Serial.println(tempF,1);
  delay(500);  
}