#define THERMISTOR_PIN A0

void setup() {
  Serial.begin(115200);
  }

  void loop() {
    int rawADC = analogRead(THERMISTOR_PIN);
      float voltage = rawADC * (3.3 / 4095);  // Convert ADC reading to voltage
        float Rthermistor = (33000 * voltage) / (3.3 - voltage);  // NTC resistance calculation
          
            float steinhart;
              steinhart = log(Rthermistor); // ln(R)
                steinhart /= 10000; // ln(R)/10000
                  steinhart /= 3950;  // (ln(R)/10000)/B
                    steinhart += 1.0 / (25 + 273.15); // + (1/To)
                      steinhart = 1.0 / steinhart; // Invert
                        steinhart -= 273.15; // Convert to Celsius

                          Serial.print("body 🌡️Temperature: ");
                            Serial.print(steinhart);
                              Serial.println(" °C");

                                delay(5000); // Delay for 5 seconds
                                }