#include <TM1637Display.h>

#define CLK 2
#define DIO 3

TM1637Display display(CLK, DIO);

void setup() {
  display.setBrightness(0x0f); // Set brightness (0x00 to 0x0f)
}

void loop() {
  for (int i = 0; i < 10000; i++) {
    display.showNumberDec(i, true); // Display number with leading zeros
    delay(500);
  }
}