IR Obstacle Detector

1int LED = 13;
2int obstaclePin = 8;
3int hasObstacle = HIGH;
4
5void  setup() 
6{
7  pinMode(LED, OUTPUT);
8  pinMode(obstaclePin, INPUT);
9    
10}
11void  loop() {
12  hasObstacle = digitalRead(obstaclePin);
13  if (hasObstacle == LOW)
14  {
15   
16    digitalWrite(LED, HIGH);
17  }
18  else
19  {
20    
21    digitalWrite(LED,  LOW);
22  }
23  delay(200);
24}