#include <ESP32Servo.h>
#include <LiquidCrystal_I2C.h>
//You must need to connect LCD SDA,SCL lines as below to esp32
//SDA (data line): 21
//SCL (clock line): 22

#define pir 14 //PIR sensor

LiquidCrystal_I2C LCD (0x27, 16, 2); //LCD

const int servoPin = 13; //servo motor pin
Servo servo;


void setup() {
  
  Serial.begin(115200);
  LCD.init();
  LCD.backlight();
  LCD.begin(16, 2);
 
  pinMode(pir, INPUT);
  pinMode(18, OUTPUT);
  pinMode(17, OUTPUT);

  servo.attach(servoPin, 500, 2400);
  
 
}

int pos = 0;
int sensor =0;

void loop() {

  int sensor = digitalRead(pir);

  if(sensor == 1){
    digitalWrite(18, HIGH);

    digitalWrite(17, HIGH);
    tone(17, 262, 250);
    delay(1000);

    LCD.clear();
    LCD.setCursor(0, 0);
    LCD.print("Motion...");
    LCD.setCursor(0, 1);
    LCD.print("Window closed");
    delay(1000);

    for (pos = 0; pos <= 180; pos += 1) {
      servo.write(pos);
      delay(15);
    }
    for (pos = 0; pos <= 180; pos += 1) {
      servo.write(pos);
      delay(15);
    }

    
    
  }else{
    digitalWrite(18, LOW);
    
    digitalWrite(17, LOW);
    tone(17, 0, 0);
    delay(1000);

    LCD.clear();
    LCD.setCursor(0, 0);
    LCD.print("No Motion");
    LCD.setCursor(0, 1);
    LCD.print("Window open");
    delay(1000);

  }

   
}