// Define the pins
const int irSensorPin = 2;  // IR sensor OUT pin connected to Arduino digital pin 2
const int ledPin = 8;       // LED pin connected to Arduino digital pin 8

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

void loop() {
  int sensorValue = digitalRead(irSensorPin);  // Read the sensor value (HIGH or LOW)

  if (sensorValue == HIGH) {
    digitalWrite(ledPin, HIGH);  // Turn on the LED if IR sensor detects an obstacle
    Serial.println("Obstacle detected!");
  } else {
    digitalWrite(ledPin, LOW);   // Turn off the LED if no obstacle detected
  }

  delay(100);  // Delay for stability
}