RC2014

RC2014 RTC Module with LEDs Effect
https://youtube.com/watch?v=a2EqZS5FzXQ [Embed]

"I try to build the RTC module for rc2014 computer and it works fine. I have a few digital I/O modules so I try to show the clock using two I/O modules and additional 595 shift registers. The front I/O module shows hour, the second row I/O module shows minutes and the 595 shows second...."