const int ntcPin = A0;

const float BETA = 3950;
const float R0 = 10000;
const float T0 = 298.15;

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

void loop() {

  int analogValue = analogRead(ntcPin);
  
  float resistance = (1023.0 / analogValue - 1) * R0;
  
  float temperatureK = 1.0 / (1.0 / T0 + log(resistance / R0) / BETA);

  float temperatureC = temperatureK - 273.15;
  
  Serial.print("Suhu: ");
  Serial.print(temperatureC);
  Serial.println(" °C");

  delay(1000);
}