int pirPin = 2;      // PIR sensor output pin
int ledPin = 13;     // LED pin
int buzzerPin = 8;   // Buzzer pin

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  int motion = digitalRead(pirPin);  // Read PIR sensor

  if (motion == HIGH) {
    digitalWrite(ledPin, HIGH);      // Turn ON LED
    digitalWrite(buzzerPin, HIGH);   // Turn ON Buzzer
  } 
  else {
    digitalWrite(ledPin, LOW);       // Turn OFF LED
    digitalWrite(buzzerPin, LOW);    // Turn OFF Buzzer
  }
}