const int ntcPin = 33; // Pin connected to the NTC thermistor

// Constants for NTC thermistor calculation
const float R1 = 10000; // Resistor value (10k ohm)
const float T_REF = 298.15; // Reference temperature (in Kelvin)
const float B = 3950;    // Beta value of the thermistor
const float R0 = 10000;  // Resistance at T_REF

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

void loop() {
  int rawValue = analogRead(ntcPin);
  float voltage = rawValue * (3.3 / 4095.0); // Convert to voltage
  float resistance = R1 * (3.3 / voltage - 1); // Calculate thermistor resistance

  // Calculate temperature in Kelvin
  float temperatureKelvin = B / (log(resistance / R0) + (B / T_REF));
  
  // Convert to Celsius
  float temperatureCelsius = temperatureKelvin - 273.15;

  Serial.print("Temperature: ");
  Serial.print(temperatureCelsius);
  Serial.println(" °C");

  delay(2000); // Read every 2 seconds
}