#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,10,9,8,7); //RS,E, D4 ...D7
int stev = 0;
int rnd = 0;
byte hertz[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};


void setup() {
  lcd.begin(16, 2); //16 stolpcev in dve vrstici
  pinMode(2, INPUT);
  pinMode(3, INPUT);
  pinMode(4, INPUT);
  pinMode(5, INPUT);
  pinMode(6, INPUT);
  randomSeed(analogRead(A0));
  lcd.createChar(1, hertz);
}

void loop() {
  lcd.clear();
  if (digitalRead(2) == HIGH) stev++;
  if (digitalRead(3) == HIGH) stev--;
  if (digitalRead(4) == HIGH) stev = 0;
  if (digitalRead(5) == HIGH) rnd = random(1,11);
  lcd.setCursor(0,0);
  lcd.print("Stevilka:");
  lcd.setCursor(10,0);
  lcd.print(stev);
  lcd.setCursor(0,1);
  lcd.print("Random:");
  lcd.setCursor(10, 1);
  lcd.print(rnd);
  if (digitalRead(6) == HIGH) {
    lcd.setCursor(12,1);
    lcd.write(1);
  }
  delay(100);
}