#include <LiquidCrystal_I2C.h>//LCD Lib
#include <Wire.h> //I2C protocol Lib
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  Serial.begin(115200);
  lcd.init();//initialize
  lcd.backlight();//turn on backlight
  lcd.setCursor(2, 0);//ឈ,​ ដេក
  lcd.print("HelLo AUB");
}
void loop() {
  lcd.scrollDisplayRight();
  delay(300);
  if(Serial.available() > 0){
    String cmd = Serial.readString();
    Serial.println(cmd);
    lcd.clear();
    lcd.setCursor(1, 0);
    lcd.print(cmd);
  }
}