// Define the pin connections
const int irSensorPin = 2;    // IR sensor OUT pin connected to digital pin 3
const int ledPin = 3;        // LED connected to digital pin 13
const int buzzerPin = 4;     // Buzzer connected to digital pin 12

void setup() {
  // Initialize the IR sensor pin as an input
  pinMode(irSensorPin, INPUT);
  
  // Initialize the LED pin as an output
  pinMode(ledPin, OUTPUT);
  
  // Initialize the Buzzer pin as an output
  pinMode(buzzerPin, OUTPUT);
  
  // Start serial communication for debugging
  Serial.begin(9600);
}

void loop() {
  // Read the status of the IR sensor
  int sensorValue = digitalRead(irSensorPin);
  
  // If the sensor detects an object (sensor value LOW)
  if (sensorValue == LOW) {
    digitalWrite(ledPin, HIGH);  // Turn ON the LED
    digitalWrite(buzzerPin, HIGH); // Turn ON the buzzer
    Serial.println("Object Detected! LED ON, Buzzer ON");
  }
  else {
    digitalWrite(ledPin, LOW);   // Turn OFF the LED
    digitalWrite(buzzerPin, LOW); // Turn OFF the buzzer
    Serial.println("No Object Detected. LED OFF, Buzzer OFF");
  }
  
  // Delay for a short time
  delay(100);
}