// #include <RTClib.h>

// RTC_DS1307 rtc;

// char daysOfWeek[7][12] = {
//   "Sunday",
//   "Monday",
//   "Tuesday",
//   "Wednesday",
//   "Thursday",
//   "Friday",
//   "Saturday"
// };

// void setup () {
//   Serial.begin(9600);
//   if (! rtc.begin()) {
//     Serial.println("RTC module is NOT found");
//     Serial.flush();
//     while (1);
//   }
//   // automatically sets the RTC to the date & time on PC this sketch was compiled
//   rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
//   // manually sets the RTC with an explicit date & time, for example to set
//   // January 21, 2021 at 3am you would call:
//   // rtc.adjust(DateTime(2021, 1, 21, 3, 0, 0));
// }

// void loop () {
//   DateTime now = rtc.now();
//   Serial.print("ESP32 RTC Date Time: ");
//   Serial.print(now.year(), DEC);
//   Serial.print('/');
//   Serial.print(now.month(), DEC);
//   Serial.print('/');
//   Serial.print(now.day(), DEC);
//   Serial.print(" (");
//   Serial.print(daysOfWeek[now.dayOfTheWeek()]);
//   Serial.print(") ");
//   Serial.print(now.hour(), DEC);
//   Serial.print(':');
//   Serial.print(now.minute(), DEC);
//   Serial.print(':');
//   Serial.println(now.second(), DEC);

//   delay(1000); // delay 1 seconds
// }
#include <LCD_I2C.h>

LCD_I2C lcd(0x27, 16, 2); // Default address of most PCF8574 modules, change according

void setup()
{
    lcd.begin(); // If you are using more I2C devices using the Wire library use lcd.begin(false)
                 // this stop the library(LCD_I2C) from calling Wire.begin()
    lcd.backlight();
}

void loop()
{
    lcd.print("     Hello"); // You can make spaces using well... spaces
    lcd.setCursor(5, 1); // Or setting the cursor in the desired position.
    lcd.print("World!");
    delay(500);

    // Flashing the backlight
    for (int i = 0; i < 5; ++i)
    {
        lcd.backlight();
        delay(50);
        lcd.noBacklight();
        delay(50);
    }

    lcd.backlight();
    lcd.clear();
    delay(500);
}