int sensorPin = D0;

float resistance, temperature;

void setup() {
  Serial.begin(115200);
  analogReadResolution(12); // IMPORTANTE
}

void loop() {
  int value = analogRead(sensorPin);

  if (value <= 0) return;

  resistance = 10000.0 * (4095.0 / value - 1.0);

  temperature = resistance / 10000.0;
  temperature = log(temperature);
  temperature /= 3950;
  temperature += 1.0 / (25 + 273.15);
  temperature = 1.0 / temperature;
  temperature -= 273.15;

  Serial.print("Temp: ");
  Serial.print(temperature);
  Serial.println(" °C");

  delay(500);
}