Re: [neonixie-l] One-Bit Digital Clock

2015-07-23 Thread PsyPhi
 slipped back in time to the 1960's
That would make sense. After all, much of it came from the 60's originally. 
The nixie  dekatron tubes (and their oddball sockets), the 6211 twin 
triode (used as a flip-flop that also directly drives the nixie), and the 
6.3V filament transformer were all obtained back when I was a drug-addled 
hippie in college. Actually, the whole thing was constructed from 
junk-box parts that I already had lying around. Maybe it got homesick and 
went on a nostalgia trip.

On Thursday, July 23, 2015 at 6:33:57 AM UTC-4, celephicus wrote:

 Ever read Dr. Seuss? In one of my favourites Dr. S's Sleep Book we have 
 a special clock:

 But I do know this clock does one very slick trick.
 It doesn’t tick tock. How it goes, is tock tick.

 Looks like yours slipped back in time to the 1960's and visited the good 
 Doctor S.




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Re: [neonixie-l] Re: Questions regarding IV-17 or IV-14 vfd tubes.

2015-07-23 Thread Chaos Hydra
Well, as a newb, I do not how to do AC filament drive so I settled for DC. 
Since I will use tube play later on, Would you mind show me some good 
resourse explain how to do it? I appreciate any help!

On Thursday, July 23, 2015 at 3:04:04 AM UTC-4, Terry Kennedy wrote:

 On Wednesday, July 22, 2015 at 2:12:43 PM UTC-4, Chaos Hydra wrote:

 I see what you mean now. Still, I managed to find a regulator chip that 
 can do the trick, because it take 5V input.
 http://www.linear.com/product/LT1587-1.5
 Thanks a lot!


 If possible, you want to use AC filament drive. DC will generate a 
 brightness gradient depending on the voltage at that end of the 
 filament compared to the other voltages. This is particularly noticeable 
 on large displays like the ILC1-1/7.


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Re: [neonixie-l] Re: Questions regarding IV-17 or IV-14 vfd tubes.

2015-07-23 Thread Terry Kennedy
On Wednesday, July 22, 2015 at 2:12:43 PM UTC-4, Chaos Hydra wrote:

 I see what you mean now. Still, I managed to find a regulator chip that 
 can do the trick, because it take 5V input.
 http://www.linear.com/product/LT1587-1.5
 Thanks a lot!


If possible, you want to use AC filament drive. DC will generate a 
brightness gradient depending on the voltage at that end of the 
filament compared to the other voltages. This is particularly noticeable 
on large displays like the ILC1-1/7.

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Re: [neonixie-l] Re: Questions regarding IV-17 or IV-14 vfd tubes.

2015-07-23 Thread petehand
Beg pardon. I had originally written 4.7 ohms, changed one instance, not 
the other.


On Wednesday, July 22, 2015 at 8:43:22 AM UTC-7, I wrote:

  Yellow violet gold  ??  Try again.  Ira

  

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Re: [neonixie-l] One-Bit Digital Clock

2015-07-23 Thread Tom Harris
Ever read Dr. Seuss? In one of my favourites Dr. S's Sleep Book we have a
special clock:

But I do know this clock does one very slick trick.
It doesn’t tick tock. How it goes, is tock tick.

Looks like yours slipped back in time to the 1960's and visited the good
Doctor S.


Tom Harris celephi...@gmail.com

On 22 July 2015 at 15:06, Instrument Resources of America 
iracosa...@hughes.net wrote:

 I see that he used an old Beckman, Universal EPUT and timer for the
 clock basics. Many people do not know what EPUT meant. It stood for 'Events
 Per Unit Time', just FYI. There's your trivia for the day.   Ira.

 On 7/21/2015 2:34 PM, David Forbes wrote:

 My brother made an all-tube clock, but it uses neons instead of Nixies.
 The decade counter modules were found in a thrist store. HP counters also
 use them.

 A person could find the right HP AC-4 modules to make it work with Nixie
 tubes.

 http://www.selectric.org/tubeclock/

 http://nixiebunny.com/hpac4/index.html


 On 7/21/2015 1:35 PM, PsyPhi wrote:

 Hello everyone! I've been lurking on this list sporadically for a few
 months, and now that I have something specific to share/contribute I
 decided to join.
 I've been a mad scientist all my life, and have always been fond of
 tubes. After seeing several examples of nixie clocks on the web, I wanted
 to build one of my own. Using all tubes, of course. Soon I realized that
 the RD was going to be much more fun than the actual implemention.



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