const int buttonPins[] = {2, 3, 4}; // Pins connected to the buttons
const int numOfButtons = sizeof(buttonPins) / sizeof(buttonPins[0]); // Number of buttons

void setup() {
 Serial.begin(9600);

 // Configure pins as inputs
 for (int i = 0; i < numOfButtons; i++) {
    int pinIndex = buttonPins[i];
    pinMode(pinIndex, INPUT_PULLUP);
    
 }
}

void loop() {
 for (int i = 0; i < numOfButtons; i++) {
    int buttonState = PIND & (1 << buttonPins[i]); // Masking out the specific pin state
    if (buttonState == 0) {
      switch (i) {
        case 0:
          Serial.println("Prižgan je rdeči gumb");
          break;
        case 1:
          Serial.println("Button 2 is pressed");
          break;
        case 2:
          Serial.println("Button 3 is pressed");
          break;
      }
      delay(500);
    }
 }
}