#include <TM1637.h>

const int CLK = 2;
const int DIO = 3;
const int btnPin = 5;

TM1637 tm(CLK, DIO);

void setup() {
  tm.init();
  tm.set(BRIGHT_TYPICAL);
  pinMode(btnPin, INPUT_PULLUP);
}

unsigned int counter = 0;
bool btnStatePrev = HIGH; // Previous button state

void loop() {
  tm.display(0, (counter / 1000) % 10);
  tm.display(1, (counter / 100) % 10);
  tm.display(2, (counter / 10) % 10);
  tm.display(3, counter % 10);

  // Read the button state
  bool btnState = digitalRead(btnPin);

  // Check for a rising edge (button press)
  if (btnState == LOW && btnStatePrev == HIGH) {
    counter++;

    // If the counter reaches 10,000, reset it
    if (counter == 10000) {
      counter = 0;
    }

    // Debounce delay to avoid multiple counts from one press
    delay(200);
  }

  // Update the previous button state
  btnStatePrev = btnState;

  // Add a small delay to avoid rapid counting
  delay(100);
}