#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);  
String messageToScroll = "ESP32 Project & Lcd 16*2 With I2c (VCC-->VCC, GND-->GND ,SCL-->SCL,SDA-->SDA)  ";

void setup(){

  lcd.init();     // initialize LCD                 
  lcd.backlight();  // turn on Backlight
}

void loop(){

  lcd.setCursor(5, 0);
  lcd.print("WELCOME");
  scrollText(1, messageToScroll, 250, 16);
}

void scrollText(int row, String message, int delayTime, int lcdColumns) {
  for (int i=0; i < lcdColumns; i++) {
    message = " " + message;  
  } 
  message = message + " "; 
  for (int pos = 0; pos < message.length(); pos++) {
    lcd.setCursor(0, row);
    lcd.print(message.substring(pos, pos + lcdColumns));
    delay(delayTime);
  }
}