#include <LiquidCrystal.h>
#define PIZ 4

#define LED_PIN 13
#define BRIGHTNESS 255


LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

vol\ int timeSec = 10;
int s = timeSec;

uint64_t lastTime = 0;

void setup() {
  Serial.begin(9600);
 
  lcd.begin(16, 2);

  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  pinMode(PIZ, OUTPUT);

  attachInterrupt(0, pravo, FALLING);
  attachInterrupt(1, levo, FALLING);
  lastTime = millis();
}

void loop() {
  update_data();
}

void pravo() {
  nomer ++;
  if (nomer > 3) {
    nomer = 1;
  }
}

void levo() {
  nomer --;
  if (nomer < 1) {
    nomer = 3;
  }

}

void print_to_lcd(int x, int y, String row) {
  lcd.setCursor(x, y);
  lcd.print(row);
}