Neon bulb logic

[John Teller]

Very reminiscent of the thyratron rings Tommy Flowers designed into 
Colossus.

---JST

On 09/29/2014 11:21 AM, Andre Kesteloot wrote:
> amazing patience on the part of the designer/builder !
> Utwente is an excellent college in Holland.
>
> Thanks
> André
>
> On Mon, Sep 29, 2014 at 10:56 AM, Karl W4KRL <W4KRL at arrl.net 
> <mailto:W4KRL at arrl.net>> wrote:
>
>     I tried to build a neon bulb flip-flop when I was a kid and
>     failed. This guy built an entire clock using neon bulbs:
>
>     http://bit.ly/1CALrFr
>
>     http://wwwhome.cs.utwente.nl/~ptdeboer/ham/neonclock/
>     <http://wwwhome.cs.utwente.nl/%7Eptdeboer/ham/neonclock/>
>
>     He has an annotated schematic at:
>     http://wwwhome.cs.utwente.nl/~ptdeboer/ham/neonclock/neonclock_circuitdiagram.pdf
>     <http://wwwhome.cs.utwente.nl/%7Eptdeboer/ham/neonclock/neonclock_circuitdiagram.pdf>
>
>
>     *73 Karl W4KRL*
>
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