Security system camera

#define pin2 2

#define pin3 3

void setup() {

  // put your setup code here, to run once:

pinMode(2,INPUT);

pinMode(3,OUTPUT);

}

void loop() {

  // put your main code here, to run repeatedly:

if(digitalRead(PIN2)==1){digitalWrite(3,HIGH);

delay(1000);

digitalWrite(3,LOW);

delay(1000);

digitalWrite(3,LOW);

delay(1000),

digitalWrite(3,LOW);

delay(1000);}else{ digitalWrite(3,LOW);  

}}