#include <Wire.h>
#include <LiquidCrystal_I2C.h>

int cahaya = A0;
int led = 13;
int gerak = 3;
int buzzer = 8;
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.backlight();
  Serial.begin(9600);
  pinMode(cahaya, INPUT);
  pinMode(led, OUTPUT);
  pinMode(buzzer, OUTPUT);
  pinMode(gerak, INPUT);

  Serial.println("UAP PRAKTIKUM EMBEDDED SYSTEM");
  Serial.println("LAB TEKNIK DIGITAL");
  lcd.init();
  int positionCounter;
  lcd.setCursor(2, 0);
  lcd.print("UAP PRAKTIKUM EMBEDDED SYSTEM");
  lcd.setCursor(2, 1);
  lcd.print("LAB TEKNIK DIGITAL");
  for (positionCounter = 0; positionCounter < 16; positionCounter++) {
  lcd.scrollDisplayLeft();
  delay(400);
  }
  lcd.clear();
}

void loop() {
  int cahayaValue = analogRead(cahaya);
  int gerakValue = digitalRead(gerak); // Mengaktifkan gerakan (misalnya, relay atau LED)
  
  Serial.print("Cahaya: ");
  Serial.println(cahayaValue);

  if ((cahayaValue > 600) && (gerakValue == HIGH)) {
    lcd.setCursor(1, 0);
    lcd.print("Malam tiba dan gerakan terdeteksi");
    Serial.println("Gerakan terdeteksi");
    digitalWrite(led, HIGH); // Mengaktifkan LED jika cahaya cukup tinggi
    tone(buzzer, 1000);

 for (int positionCounter = 0; positionCounter < 16; positionCounter++) {
      lcd.scrollDisplayLeft();
      delay(400);
    }
    lcd.clear();

  } else {
    lcd.print("Bukan malam hari");
    Serial.println("Gerakan tidak terdeteksi");
    digitalWrite(led, LOW); // Mematikan LED jika cahaya rendah
    noTone(buzzer);

    for (int positionCounter = 0; positionCounter < 16; positionCounter++) {
      lcd.scrollDisplayLeft();
      delay(400);
    }
    lcd.clear();
  }

  lcd.setCursor(1, 0);
  lcd.print("Cahaya: ");
  lcd.print(cahayaValue);
  lcd.setCursor(1, 1);
  lcd.print("Gerakan: ");
  lcd.print(gerakValue); // Menampilkan status gerakan
  delay(1000);

  for (int positionCounter = 0; positionCounter < 16; positionCounter++) {
      lcd.scrollDisplayLeft();
      delay(300);
    }
    lcd.clear();
}