[time-nuts] NTP Synchronised Nixie Tube Clock
Pieter-Tjerk de Boer
ptdeboer at cs.utwente.nl
Tue May 8 16:44:21 EDT 2007
On Tue, May 08, 2007 at 02:09:53PM -0400, Maggie Leber wrote:
> Perhaps my "hard core" requirement should be restated as "no
> transistors" rather than "no semiconductors". :-)
In that case, I guess my clock also qualifies: it uses neon lamps
as its "active" components.
The only semiconductors used are simple diodes and two blue LEDs.
See http://wwwhome.cs.utwente.nl/~ptdeboer/ham/neonclock/ .
73, Pieter-Tjerk, PA3FWM
More information about the time-nuts