#undef MyHW
#ifdef MyHW
const int  button = A0;
const byte pins[] = {2, 3, 4, 5, 6};

#else
int  button = A0;      // pin to connect the button
byte pins[] = {2, 3, 4, 5, 6};
#endif

const byte numPins = sizeof(pins);

byte  presses = 0;    // variable to store number of presses
byte  butLst;

void setup()
{
    Serial.begin (9600);
    for (int i = 0; i < numPins; i++)
        pinMode(pins[i], OUTPUT);
    pinMode(button, INPUT_PULLUP);
}

void loop()
{
    byte but = digitalRead (button);
    if (butLst != but)  {
        butLst = but;
        delay (10);     // debounce

        if (LOW == but)
            presses++;
    }

    for (int i = 0; i < numPins; i++)
        digitalWrite (pins[i], presses & 1<<i);
}