// LAB 5 ; ADRIANA SARAH BINTI AHMAD FAIZA ; 52224123439

int pir = 7;
int led = 13;
int buzzer = 8;

void setup() {

  Serial.begin(9600);

  pinMode(pir, INPUT);
  pinMode(led, OUTPUT);
  pinMode(buzzer, OUTPUT);
  
  digitalWrite(led, LOW);
  digitalWrite(buzzer, LOW);
}

void loop() {
 
  int pirState = digitalRead(pir);

  if (pirState == HIGH) {
    
    digitalWrite(led, HIGH);
    digitalWrite(buzzer, HIGH);
    tone(buzzer, 1000); 
    Serial.println("Motion Detected!");
  } else {
    
    digitalWrite(led, LOW);
    digitalWrite(buzzer, LOW);
    noTone(buzzer);
    Serial.println("No Motion");
  }

  delay(500);
}