/*
#include <TM1637Display.h>

// Define the connections pins
#define CLK 2   // Clock pin (CLK)
#define DIO 4   // Data pin (DIO)

// Initialize the display
TM1637Display display(CLK, DIO);

void setup() {
  // Set the brightness (optional)
  display.setBrightness(0x0f);  // Maximum brightness
  
  // Display the number "1234"
  display.showNumberDec(1234);
}

void loop() {
  // No action in the loop
}
*/


/* ................................................................. */
/*
#include <TM1637Display.h>

// Define the connections pins
#define CLK 2   // Clock pin (CLK)
#define DIO 4   // Data pin (DIO)

// Create an instance of the display
TM1637Display display(CLK, DIO);

// Variables to store the time (HH:MM)
int hours = 12;   // Starting hours
int minutes = 0;  // Starting minutes

unsigned long previousMillis = 0;  // To store the last update time

void setup() {
  // Set brightness (0 to 7 levels, 0x0f is max brightness)
  display.setBrightness(0x0f);
}

void loop() {
  // Get the current time in milliseconds
  unsigned long currentMillis = millis();

  // Update the time every 60 seconds
  if (currentMillis - previousMillis >= 60000) {
    previousMillis = currentMillis;

    // Increment the minutes
    minutes++;

    // Roll over to the next hour if minutes reach 60
    if (minutes >= 60) {
      minutes = 0;
      hours++;
    }

    // Roll over to 00:00 if hours reach 24
    if (hours >= 24) {
      hours = 0;
    }
  }

  // Display the time in HH:MM format
  int displayTime = (hours * 100) + minutes;  // Combine hours and minutes
  display.showNumberDecEx(displayTime, 0b01000000, true);  // Display time with colon
}

*/

#include <TM1637Display.h>

// Define the connections pins
#define CLK 2   // Clock pin (CLK)
#define DIO 4   // Data pin (DIO)

// Create an instance of the display
TM1637Display display(CLK, DIO);

// Variables to store the time (MM:SS)
int minutes = 0;   // Starting minutes
int seconds = 0;   // Starting seconds

unsigned long previousMillis = 0;  // To store the last update time

void setup() {
  // Set the brightness of the display (0x0f is max brightness)
  display.setBrightness(0x0f);
}

void loop() {
  // Get the current time in milliseconds
  unsigned long currentMillis = millis();

  // Update the time every 1000 milliseconds (1 second)
  if (currentMillis - previousMillis >= 1000) {
    previousMillis = currentMillis;

    // Increment the seconds
    seconds++;

    // Roll over to the next minute if seconds reach 60
    if (seconds >= 60) {
      seconds = 0;
      minutes++;
    }

    // Roll over to 00:00 if minutes reach 60
    if (minutes >= 60) {
      minutes = 0;
    }
  }

  // Display the time in MM:SS format
  int displayTime = (minutes * 100) + seconds;  // Combine minutes and seconds
  display.showNumberDecEx(displayTime, 0b01000000, true);  // Display time with colon
}