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

// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 20, 4);

String message ="khushman.  "; // Message to scroll, padded with spaces to clear screen

void setup() {
  lcd.init(); // Initialize the LCD
  lcd.backlight(); // Turn on the backlight
}

void loop() {
  for (int i = 0; i < message.length(); i++) {
    lcd.clear(); // Clear the display
    lcd.setCursor(0, 0); // Set the cursor to the beginning of the first line
    // Display a portion of the message starting at character i
    lcd.print(message.substring(i) + message.substring(0, i)); 
    delay(300); // Wait for a bit to see the scrolling
  }
}