Count Down Timer in Arduino

A simple program that I wrote using C in Arduino with the use of TM1637 seven-segment LCD display to perform count down. The code is very simple and easy to understand. I hope you will find my work useful. Thank you.

I am currently accepting programming work, it projects, school and application development.

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Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

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                                                               Sample Program Output


Program Listing

/* Countdown timer in Arduino using seven segment LED
 *  Written By Mr. Jake R. Pomperada,MAED-IT
 *  January 24, 2019     8:21 PM  Thursday
 *  Bacolod City, Negros Occidental
 *  jakerpomperada@gmail.com
 */
#include "TM1637.h"

#define CLK 3
#define DIO 2

TM1637 disp(CLK,DIO);

void setup()
{
  disp.set(5);
  disp.init(D4056A);
}

void loop() {
  int a=2000;

  while (a>=1 ) {
  disp.display(a);
  delay(20);
  a-=1;
  if (a==1) {
    break;
  }
  }
}


DOWNLOAD SOURCE CODE HERE