Digital Clock made with no ICs - very cool :)

RDL2004

Some of you may have already seen this, but I just ran across it.

spectrum.ieee.org/jul08/6396

Over 2700 solder joints, nearly 200 transistors and more than 1000 other parts - but no integrated circuits.

Building one of these would be a true test of your soldering and assembly skills.

Be sure to watch his presentation.

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- Rick

Ale

Here is a digit clock without even transistors , also binary

http://www.longnow.org/projects/clock/

Very cool indeed

Max Wooden

I saw this clock at Maker Faire back in May and it was unbelievably awesome!

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Max Wooden
Reedley, California

heater

Very cool. But if you want to be really cool you do it with tubes www.jogis-roehrenbude.de/Leserbriefe/Bruegmann-Digital-Roehren-Clock/Digital-Roehrenuhr.htm

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For me, the past is not over yet.