#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,  20, 4);
byte nyil[8] = {
B00000,
B01000,
B00100,
B00010,
B00001,
B00010,
B00100,
B01000
};

void setup() {
  lcd.begin(20,4);
  lcd.createChar(0, nyil);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(1, 0);
  lcd.print("Opcio 1");
  lcd.setCursor(1, 1);
  lcd.print("Opcio 2");
  lcd.setCursor(1, 0);
  lcd.print("Opcio 3");
  lcd.setCursor(0,0);
  lcd.write(0);
  //lcd.write(0);
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}