#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

byte znak[8] = {B11111,
                B01010,
                B00100,
                B00000,
                B00000,
                B00100,
                B01010,
                B11111};

void setup() {
    lcd.createChar(1, znak);
    lcd.begin(20, 4);  
    lcd.write(1);
}

void loop() {}