const int irSensorPin = 2;  // Pin for the IR sensor output
const int ledPin = 9;        // Pin for the LED
const int buzzerPin = 10;    // Pin for the Buzzer (optional)

void setup() {
  pinMode(irSensorPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  Serial.begin(9600); // Initialize serial communication
}

void loop() {
  int sensorValue = digitalRead(irSensorPin); // Read the IR sensor

  if (sensorValue == HIGH) {  // Fire detected
    digitalWrite(ledPin, HIGH);   // Turn LED on
    digitalWrite(buzzerPin, HIGH); // Turn Buzzer on
    Serial.println("Fire detected!");
  } else { // No fire detected
    digitalWrite(ledPin, LOW);    // Turn LED off
    digitalWrite(buzzerPin, LOW); // Turn Buzzer off
    Serial.println("No fire detected.");
  }
  
  delay(1000); // Delay for stability
}