#include <Servo.h>
#define LDR_PIN 12
Servo myservo;

int input = 12;
int pir = LOW;
int val = 0;
int pos = 0;

void setup() {
  myservo.attach(11);
  pinMode(LDR_PIN, INPUT);
  pinMode(input, INPUT);
  Serial.begin(9600);
}

void loop() {
  val = digitalRead(input);
  if (val == HIGH){
    myservo.write(0);
    delay(15);
  } else {
    myservo.write(90);
    delay(15);
  }
}