/*
sledujte počet x, 
koľko bolo stlačené tlačidlo.
Ak tlačidlo bolo stlačené  5x, 
zasvieť diodu
*/

int btn = 12;
bool btnState = false;
int counter = 0;

bool boloStlacene = false;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(btn, INPUT_PULLUP);

  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  btnState = !digitalRead(btn);
  if(btnState == HIGH){
    boloStlacene = true;

    if(boloStlacene){
        counter++;
        boloStlacene = true;
    } else{
      boloStlacene = false;
    }
  }

  Serial.println(counter);
}