const int buzzerPin = 2;
const int ledPin = 3;
const int temperaturePin = A0;

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

void loop() {
  int sensorValue = analogRead(temperaturePin);
  float temperatureC = 1/(log(1/(1023./sensorValue-1))/3950+1.0/298.15)-273.15;

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

  if (temperatureC >= 38) {
    tone(buzzerPin, 1000); 
  } else {
    noTone(buzzerPin);
  }

  int ledBrightness = map(sensorValue,953,115,0,255);
  analogWrite(ledPin, ledBrightness);

  delay(1000);
}