//Welcome in the project Moch Rijki Supriyatna:("MRS_Iky")
//Mini Sistem Antrian LED

#include <TM1637Display.h>

#define CLK 2
#define DIO 3
#define BUTTON_PIN 4
#define BUZZER_PIN 5

TM1637Display display(CLK, DIO);
  int currentNumber = 0;
  bool lastButtonState = HIGH;

    void setup() {
         pinMode(BUTTON_PIN, INPUT_PULLUP);
         pinMode(BUZZER_PIN, OUTPUT);
         display.setBrightness(0x0f);
         display.showNumberDec(currentNumber, true);
         }

          void loop() {
               bool buttonState = digitalRead(BUTTON_PIN);

               if (lastButtonState == HIGH && buttonState == LOW) {
               currentNumber++;
               if (currentNumber > 9999) currentNumber = 0;

               display.showNumberDec(currentNumber, true);

               tone(BUZZER_PIN, 1000, 200); // Bunyi beep 200ms
               delay(300); // Debounce
               }

               lastButtonState = buttonState;
               }