I2C LCD Scrolling Display

 #include <Wire.h>

#include <LiquidCrystal_I2C.h>

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

void setup() {

  lcd.init();         // Initialize the LCD

  lcd.backlight();    // Turn on the LCD screen backlight

}

void loop() {

  // Message to scroll

  String message = "Hello World.! Sunil Singh ";

  int messageLength = message.length();

  // Scroll the message across the LCD

  for (int pos = 0; pos < messageLength; pos++) {

    lcd.clear(); // Clear the LCD for each new position

    lcd.setCursor(0, 0); // Set cursor to the first line

    lcd.print(message.substring(pos, pos + 16)); // Print 16 characters

    delay(300); // Delay for a smoother scroll

  }

  // Short delay before next message

  delay(1000);

  // Now display another message

  lcd.clear();

  lcd.setCursor(0, 0);

  lcd.print("This is a LCD");   // First line

  lcd.setCursor(0, 1);

  lcd.print("Screen Test");      // Second line

  delay(3000); // Display for 3 seconds

}