#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C moni(0x27, 16, 2); //sukurimas
int stulp = 0;
void setup() {
moni.init(); //initialize
moni.backlight();
}

void loop() {
//tekstas virsuje
delay(200);
moni.clear();
moni.setCursor(stulp, 1);
moni.print("varle");

stulp = stulp + 1;

//tekstas apacioje
delay(200);
moni.clear();
moni.setCursor(stulp, 0);
moni.print("varle");

stulp = stulp + 1;

if(stulp > 16)
stulp = 0;
}