BotronikS - Final code for all types of Arduino and PC users: -- HOME -- email:

Simply UP counter (to 9999/999999) with reset - counter status memory when power fails!

connections (click to enlarge)

Useful accessories:  
DisplayTube TM1637 4digit
DisplayTube TM1637 6digit
All offered codes here are FREE to use! Source codes and Your special requests are available via email!
Download the HEX codes below, unpack and upload to the proper Arduino board (Use a free net tool for example XLoader)
1. ATmega328-16MHz (MINI,NANO,UNO...): 4digit: Code-m328 --- 6digit: Code6digit-m328
2. AtMega2560 (Mega(ATMEGA2560)........): 4digit: Code-m2560 --- 6digit: Code6digit-m2560