const float BETA = 3950;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  analogReadResolution(10);
  pinMode(25,INPUT);

}

void loop() {
  if(Serial.available()>0){
    String command = Serial.readStringUntil('\n');
    if(command=="temp2"){
      sensor_ntc();
    }
  }
  delay(1000); // this speeds up the simulation
}

void sensor_ntc(){

  int analogValue = analogRead(25);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.println(" ℃");
}