float TensionLue;
float ResistanceCapteur;
float Temperature;
float R2 = 10000.0;

void setup()  {
  pinMode(A0, INPUT);
  Serial.begin(9600);
}

void loop()  {
  TensionLue = 5.0*analogRead(A0) / 1023;
  ResistanceCapteur = R2 * (5.0 / TensionLue - 1);
  Temperature = 1 / ((log(ResistanceCapteur / 10000)) / 3950 + 1 / 298.15);
  Serial.println(Temperature- 273.15);
  delay(200);
}