#include <LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);

String text = "Abmiveh reza";
int len = text.length();
int pos = 0;
int dir = 1;

void setup() {
  lcd.begin(16, 2);
}

void loop() {
  lcd.clear();
  lcd.setCursor(pos, 0);
  lcd.print(text);
  delay(1000);
  pos += dir;
  if (pos <= -len || pos >= 16) {
    dir = -dir;
  }
}