Dave sent in his binary clock he turned in to an old hard drive, he writes –

In about April of 2004 I started this binary clock project which was inspired by the Think Geek binary clock. I put the project on hold a number of times and finally finished it around October of 2003. When I started the project the TG clock was only available with red LEDs, and while it was definitely pretty cool, there were a number of things about it that bothered me. Obviously it needed blue LEDs, which are all the rage for the modern appliances. It also displays the time in 6 binary registers, one each for the 6 decimal digits of a digital clock. While this arrangement generates some pretty gnarly patterns, and is probably why it was chosen, it seemed very un-geekish to me. Lastly, and most importantly, since one of the guys I work with already had a red TG binary clock on his desk, if I was to have one, it couldn’t be the same design, and it would have to somehow out-geek that other clock.

Clearly I would have to create my own binary clock from scratch to meet my requirements. As the only ‘crossover geek’ in the office (programming and hobby-level digital electronics), I could meet the primary goal of out-geeking the existing clock with my own AVR microcontroller based design.

DIY Binary clock project – Link.

01010010 01100101 01101100 01100001 01110100 01100101 01100100 00111010:
 337592101 16E1966364
Binary Clock – Link.

DIY Binary clock – Link.

HOW TO – Make an analog binary clock – Link.

 Tutorials Binclock Breadboard
HOW TO – Build a binary clock – Link.

 Trashing Systemled Time
HOW TO – Build a Binary LED Clock – Link.

Binary LED clock – Link.