//Tugas IoT Arduino ft. LCD
//By Rix Ryuzoku a.k.a. Arich Al Fatiin
//Catatan, maaf Pak telat ngumpulin nya, semalem Saya capek akhirnya ketiduran
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27,16,2);
int lampu_merah = 10;
int pir = 3;
int status_pir = 0;
int relay = 3;
bool screenOn = false;

void setup (){
pinMode (pir, INPUT);
pinMode (pir, INPUT_PULLUP);
delay (99);
pinMode (lampu_merah, OUTPUT);
Serial.begin(9600);
lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
 lcd.print("   WELCOME TO   ");
 lcd.setCursor(0,1);
 lcd.print("   MY PROJECT   ");
 delay(2000);
}

void loop () {
 lcd.home();
 lcd.clear();
 status_pir = digitalRead (pir);
 if (status_pir == HIGH) {
      digitalWrite (lampu_merah, HIGH);
      digitalWrite (relay, HIGH);
      lcd.backlight();
      screenOn = true;
      Serial.println ("Gerakan Terdeteksi!");
      lcd.setCursor(0,0);
      lcd.print("KONDISI LAMPU   ");
      lcd.setCursor(0,1);
      lcd.print("MENYALA         ");
      lcd.clear();
      }

 else {
      digitalWrite (lampu_merah, LOW);
      digitalWrite (relay, LOW);
      lcd.noBacklight();
      screenOn = false;
      Serial.println ("Gerakan Hilang!");
      lcd.setCursor(0,0);
      lcd.print("KONDISI LAMPU   ");
      lcd.setCursor(0,1);
      lcd.print("Padam           ");
      delay (500);
      lcd.clear();
      }
 }