#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

void setup() {
  // put your setup code here, to run once:
lcd.begin(16,2);
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int j=0;j<16;j++){
    lcd.setCursor(2,0);
    lcd.print("3230421045");
    delay(100);
    lcd.clear();

  }

}