const int TempPin = A1; //Connect the Pin

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

void loop() {
  // Read the analogic value
  int valeurTemp = analogRead(TempPin);
  Serial.println(valeurTemp);

  //Convertion 
  //float intensiteTemp = map(valeurTemp, -40, 3750, 0, 125); //Use this method for an int
  float intensiteTemp = (valeurTemp - (-40.0)) * (125.0 - 0.0) / (3750.0 - (-40.0)) + 0.0; //Use this method for a float

  //Print the value
  Serial.print("T : ");
  Serial.print(100-intensiteTemp, 2);
  Serial.println(" C");

  delay(1000);
}