PIR Sensor Activated Halloween Scare Prank

//Example of using the PIR-sensor, great for Halloween pranks and scares in your yard or porch.
//Watch the video for full walk through and examples: 
//part 1. pir-sensor and lights: https://youtu.be/ZAUXMoygVOU
//part 2. sound: https://www.youtube.com/watch?v=uR_UTPioQYc

int pirSensor=2;
int previousPin = 3;
int pausePin = 4;
int statusLed=10;
int led = 9;           // the pin that the LED is attached to

void setup(){
  pinMode(pirSensor, INPUT);
  pinMode(statusLed, OUTPUT);
  pinMode(previousPin, OUTPUT);
  pinMode(pausePin, OUTPUT);
  pinMode(led, OUTPUT);  
}

void loop(){

  if (digitalRead(pirSensor) == HIGH) {
    //Sound!
    digitalWrite(pausePin, HIGH);
    delay(100);
    digitalWrite(previousPin, LOW);
    delay(100);
        digitalWrite(previousPin,HIGH);
   delay(2000);
   
    //Glowing Eyes effect
   digitalWrite(statusLed, LOW);
   delay(100);
   digitalWrite(statusLed, HIGH);
   analogWrite(led, 0);
   //Here we put whatever code is when Pir-sensor is activated 
   for (int i=0; i<255; i++) {
     Serial.println(i);
     analogWrite(led, i);    
     delay(5);
   }
   digitalWrite(statusLed, LOW);
   delay(100);
   digitalWrite(statusLed, HIGH);
   delay(100);  
   digitalWrite(statusLed, LOW);
   delay(100);
   digitalWrite(statusLed, HIGH);
   delay(100);
   digitalWrite(statusLed, LOW);
   delay(100);
   digitalWrite(statusLed, HIGH);
   delay(100);
   digitalWrite(statusLed, LOW);
   delay(2000);  
   for (int i=255; i>=0; i--) {
     Serial.println(i);
     analogWrite(led, i);    
     delay(5);
   }
   
  digitalWrite(statusLed, HIGH);
  analogWrite(led, 0);

//End glowing eyes effect
    //End Sound! 
   delay(2000); 
     digitalWrite(previousPin, HIGH);
    delay(100);
    digitalWrite(pausePin, LOW);
    delay(100);
    digitalWrite(pausePin, HIGH);
    delay(1000);
     


  } 
  else {
    digitalWrite(statusLed, HIGH);
    analogWrite(led, 0);
  }
}