#include <Servo.h>

#define LED_PIN 2
#define PIR_PIN 5    
#define SERVO_PIN 9 

Servo myServo;

void setup() {
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  
  myServo.attach(SERVO_PIN);
  myServo.write(90); 
}

void loop() {
  int pirState = digitalRead(PIR_PIN);
  
  if (pirState == HIGH) { 
    digitalWrite(LED_PIN, HIGH); 
    
    myServo.write(45);
    delay(1000);
    myServo.write(0);
    delay(1000);
    myServo.write(45); 
    delay(1000);
    myServo.write(90);
    delay(1000);
    
    digitalWrite(LED_PIN, LOW);
  }
}