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

// Define PIR pin
#define PIRPIN 7

// Define LED pin
#define LEDPIN 13

// Define buzzer pin
#define BUZZERPIN 13 // Assuming buzzer is connected to pin 13

// Define LCD address
#define LCD_ADDRESS 0x27

// Initialize LCD library
LiquidCrystal_I2C lcd(LCD_ADDRESS, 16, 2);

// Simulated temperature variable (replace with actual reading if possible)
float temperature = 23.5; // Replace with a sensor reading if available

void setup() {
  // Initialize serial communication
  Serial.begin(9600);

  // Initialize LCD
  lcd.init();
  lcd.backlight();
}

void loop() {
  // Check if temperature is below 16°C or above 25°C
  if (temperature < 16 || temperature > 25) {
    // Turn on buzzer
    tone(BUZZERPIN, 1000);

    // Display message on LCD
    lcd.setCursor(0, 0);
    lcd.print("Suhu ");
    if (temperature < 16) {
      lcd.print("di Bawah");
    } else {
      lcd.print("Di Atas");
    }
    lcd.print(" Rata-Rata");

    lcd.setCursor(0, 1);
    lcd.print(temperature);
    lcd.print("°C");

    // Wait for 2 seconds
    delay(2000);

    // Turn off buzzer
    noTone(BUZZERPIN);

    // Clear LCD display
    lcd.clear();
  }

  // Read PIR sensor value
  int pirValue = digitalRead(PIRPIN);

  // Check if motion is detected
  if (pirValue == HIGH) {
    // Turn on LED
    digitalWrite(LEDPIN, HIGH);

    // Display message on LCD
    lcd.setCursor(0, 1);
    lcd.print("Gerakan Terdeteksi");

    // Wait for 2 seconds
    delay(2000);

    // Turn off LED
    digitalWrite(LEDPIN, LOW);

    // Clear LCD display (second row)
    lcd.setCursor(0, 1);
    for (int i = 0; i < 16; i++) {
      lcd.print(" ");
    }
  }

  // Display author name on LCD (scrolling from left to right)
  lcd.setCursor(0, 0);
  String authorName = "Andra Matarisman";
  for (int i = 0; i < authorName.length(); i++) {
    lcd.print(authorName[i]);
    delay(50);
    for (int j = 0; j < i; j++) {
      lcd.print(" ");
    }
  }

  // Delay for 1 second
  delay(1000);
}