// ispis svojega znaka

#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,10,9,8,7); //RS,E, D4 ...D7

byte hertz[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};

byte noHertz[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b01110,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};
 
void setup() {
  lcd.begin(16, 2); //16 stolpcev in dve vrstici
  lcd.createChar(1, hertz);
  lcd.createChar(2, noHertz);
}

void loop() {
  lcd.setCursor(0,0);
  lcd.write(1);
  lcd.write(2);
}