#include <Servo.h>
Servo myservo;
int ledPin1 = 13;
int inputPin = 2;
int pirState = LOW;
int pos = 0;
int val = 0;

void setup() {
  pinMode(ledPin1, OUTPUT);
  pinMode(inputPin, INPUT);
  Serial.begin(9600);
  myservo.attach(9);
}

void loop() {
 val = digitalRead(inputPin);
 if (val == HIGH) {
   digitalWrite(ledPin1,HIGH);
   for (pos = 0; pos <= 180; pos += 1) {
   myservo.write(pos);
   delay(15);
  }
   if (pirState == LOW) {
           pirState = HIGH;
    }
  } else {
    digitalWrite(ledPin1, LOW);
    for (pos = 180; pos >= 0; pos -= 1) {
    myservo.write(pos);
    delay(15);
  }
   if (pirState == HIGH) {
           pirState = LOW;
    }
  }
}