const int temperaturePin = A0; // Analog pin to which temperature sensor is connected
const int buzzerPin = 8; // Pin connected to the buzzer
const int ledPin = 9; // Pin connected to the LED

void setup() {
  Serial.begin(9600);
  pinMode(buzzerPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Read the analog input from the temperature sensor
  int sensorValue = analogRead(temperaturePin);

  // Convert the sensor value to temperature in degrees Celsius
  float temperatureCelsius = (sensorValue * 0.00488) * 100; // LM35 output is 10 mV/°C

  // Print the temperature to serial monitor
  Serial.print("Temperature: ");
  Serial.print(temperatureCelsius);
  Serial.println(" °C");

  // Check if temperature is greater than 50°C
  if (temperatureCelsius > 50) {
    // Activate buzzer and LED
    digitalWrite(buzzerPin, HIGH);
    digitalWrite(ledPin, HIGH);
  } else {
     if (temperatureCelsius < 50)
    // Deactivate buzzer and LED
    digitalWrite(buzzerPin, LOW);
    digitalWrite(ledPin, LOW);
  }

  delay(1000); // Delay for stability
}