[RndTbl] transistor wall-clock
Gilbert E. Detillieux
gedetil at cs.umanitoba.ca
Mon Oct 19 09:45:08 CDT 2015
As long as you're going to pay too much for retro technology, why stop
at transistors & 7-segment LED's?... Go for his Nixie tube clock!
On 17/10/2015 4:36 PM, Trevor Cordes wrote:
> Off-topic, but cool:
> A guy selling kits to make a all-parts-exposed digital wall clock that
> uses *no ICs* and *no crystals*. You build it yourself, 1250 parts to
> solder onto a custom board. Too pricey for me, otherwise I'd love to put
> one together.
> ICYW, I dug around the FAQ and he is cheating a bit: he's using the 60Hz
> of the AC as a timer source.
> Hmm, since it plus into AC, does that mean touching some parts of the
> exposed circuits might give you a nice zap?
Gilbert E. Detillieux E-mail: <gedetil at cs.umanitoba.ca>
Dept. of Computer Science Web: http://www.cs.umanitoba.ca/~gedetil/
University of Manitoba Phone: (204)474-8161
Winnipeg MB CANADA R3T 2N2 Fax: (204)474-7609
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