const int proxSensor=2;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(proxSensor, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(proxSensor)==HIGH){
    digitalWrite(13, HIGH);
     digitalWrite(12, HIGH);
      digitalWrite(11, HIGH);
       digitalWrite(10, HIGH);
        digitalWrite(9, HIGH);
        DELAY(5000);
         digitalWrite(13, LOW);
     digitalWrite(12,LOW);
      digitalWrite(11,LOW);
       digitalWrite(10,LOW);
        digitalWrite(9, LOW);
        delay(5000);
    Serial.println("Something is obstracted");
  }
  else{
    digitalWrite(13, LOW);
     digitalWrite(12,LOW);
      digitalWrite(11,LOW);
       digitalWrite(10,LOW);
        digitalWrite(9, LOW);
    Serial.println("nothing is there");
  }
}