IR Obstacle Detector

int LED = 13;
int obstaclePin = 8;
int hasObstacle = HIGH;

void setup() 
{
  pinMode(LED, OUTPUT);
  pinMode(obstaclePin, INPUT);
    
}
void loop() {
  hasObstacle = digitalRead(obstaclePin);
  if (hasObstacle == LOW)
  {
   
    digitalWrite(LED, HIGH);
  }
  else
  {
    
    digitalWrite(LED, LOW);
  }
  delay(200);
}