#include <LiquidCrystal.h>
#include <Bounce2.h>
LiquidCrystal lcd(12,11,10,9,8,7);//RS,E,D4 ...D7

int stevec = 0;
#define LED 1

Bounce2 :: Button but1,but2, but3,but4 = Bounce2::Button();

void setup() {
  lcd.begin(16,2); 
  Serial.begin(115200);
  Serial.println("pritisni gumb");
  but1.attach(4,INPUT_PULLUP);
  but2.attach(3,INPUT_PULLUP);
  but3.attach(13,INPUT_PULLUP);
  but4.attach(5,INPUT_PULLUP);
  but1.interval(10);
  but2.interval(10);
  but1.setPressedState(LOW);
  but2.setPressedState(LOW);
  but4.setPressedState(LOW);
  but3.setPressedState(LOW);
  pinMode(LED, OUTPUT);
}

void loop() {
  but1.update();
  but2.update();
  but3.update();
  but4.update();

  if(but1.pressed()){
    stevec++;
    Serial.println(stevec);
  }
  else if(but2.pressed()){
    stevec--;
    Serial.println(stevec);
  }
  else if(but3.pressed()){
    stevec=0;
    Serial.println(stevec);
  }
  else if(but4.pressed()){
    digitalWrite(LED,LOW);
  }
}