#include <Servo.h>
int ledPin = 13;
int inputPin = 2;
int pirState = LOW;
int buzzer = 8;
Servo myServoObject;
int angle =0;
int val = 0;

void setup() {
  myServoObject.attach(9);
  pinMode(ledPin, OUTPUT);
  pinMode(inputPin, INPUT);
  pinMode(buzzer, OUTPUT);
  Serial.begin(9600);
}



void loop() {
  for(angle=0;angle<=360;angle++){
    myServoObject.write(angle);
    delay(10);
  }
  for(angle=180;angle>=0;angle--){
    myServoObject.write(angle);
    delay(10);
  }
  {
    val = digitalRead(inputPin);
    if(val == HIGH);
    digitalWrite(ledPin, HIGH);
    tone(buzzer,300);
    delayMicroseconds(2000);
    tone(buzzer,350);
    delayMicroseconds(1000);

    if (pirState == LOW) {

      Serial.println("Motion detected!");

      pirState = HIGH;
    }
    else {
      digitalWrite(ledPin, LOW);
      if (pirState == HIGH) {
        noTone(buzzer);

        Serial.println("Motion ended!");

        pirState = LOW;
      }
    }


  }
}