Binary LED clock

Binary LED clock

Another binary LED clock, this one built with 74HC4040 binary ripple counters [PDF].

Binary LED Clock – Link


  • HOW TO – Build a Binary LED Clock – Link
  • HOW TO – Build a binary clock – Link
  • Build a LED matrix clock – Link
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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.

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