[neonixie-l] Re: Simple drive circuit for single pulse dekatron

2012-08-09 Thread dr pepper
Revival of an old thread.

Its a while back but I promised a vid of my nixie/deaktron/neon
bargraph clock, just found it:

http://www.youtube.com/watch?v=CVYEiCc19Bsfeature=youtu.be

On 13 July, 15:14, dr pepper seaking.helicopt...@gmail.com wrote:
 Yes I could use something like a 4094 or similar, a few passives would
 be less room however, depending what values I'd need.
 I spose I'd like to get it working and see if its a better method, one
 bonus is the display boards would be nothing but passives without usng
 the shift reg.

 On 13 July, 14:42, Dylan Distasio interz...@gmail.com wrote:



  Could you use a shift register to expand the available pins?

  On Fri, Jul 13, 2012 at 8:49 
  AM,drpepperseaking.helicopt...@gmail.comwrote:

   I have a nixie clock prototype that uses 4 in1 nixies, a in9 bargraph and
   a og3 dekatron.
   The clock works well however the dekatron takes up 4 pins of the pic micro
   (3 for guides and 1 for zero detect), and I need these for further
   expansion.
   Is there an adaptation of the single pulse circuit that can be driven from
   5v logic from the micro so that I can step the dekatron from just one 
   pulse
   output from the micro.
   I'm thinking a few resistors and high volatge caps for the required guide
   time delay.

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[neonixie-l] Re: Simple drive circuit for single pulse dekatron

2012-07-13 Thread kay486
That looks like an really interesting clock! Do you have any pictures or 
video?

On Friday, July 13, 2012 1:49:57 PM UTC+1, dr pepper wrote:

 I have a nixie clock prototype that uses 4 in1 nixies, a in9 bargraph and 
 a og3 dekatron.
 The clock works well however the dekatron takes up 4 pins of the pic micro 
 (3 for guides and 1 for zero detect), and I need these for further 
 expansion.
 Is there an adaptation of the single pulse circuit that can be driven from 
 5v logic from the micro so that I can step the dekatron from just one pulse 
 output from the micro.
 I'm thinking a few resistors and high volatge caps for the required guide 
 time delay.


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[neonixie-l] Re: Simple drive circuit for single pulse dekatron

2012-07-13 Thread dr pepper
I think I allready posted a pic, didnt get any replies, at the moment
its a few tubes screwed to a piece of wood so I spose it doent create
any inspirations.
I'll see if I've still got any pics of it.
P.s. the clock is synced to the msf radio time signal.

On 13 July, 14:05, kay486 luckyl...@gmail.com wrote:
 That looks like an really interesting clock! Do you have any pictures or
 video?



 On Friday, July 13, 2012 1:49:57 PM UTC+1, dr pepper wrote:

  I have a nixie clock prototype that uses 4 in1 nixies, a in9 bargraph and
  a og3 dekatron.
  The clock works well however the dekatron takes up 4 pins of the pic micro
  (3 for guides and 1 for zero detect), and I need these for further
  expansion.
  Is there an adaptation of the single pulse circuit that can be driven from
  5v logic from the micro so that I can step the dekatron from just one pulse
  output from the micro.
  I'm thinking a few resistors and high volatge caps for the required guide
  time delay.- Hide quoted text -

 - Show quoted text -

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[neonixie-l] Re: Simple drive circuit for single pulse dekatron

2012-07-13 Thread dr pepper
I found the original thread from when I designed this clock.
No wonder there wasnt much interest, the pics show a bench full of
components connected up by crop clip leads, I can do better than that,
I'll do a short video and post it it looks a little better now
everythings fastened up in line.
Getting married Wednsday so my shop is a dressmakers at the minute so
might be few days.

https://groups.google.com/group/neonixie-l/browse_thread/thread/299b26872385bcbc/55cd1a992152b3e1?hl=en-GBlnk=gstq=dr+pepper#55cd1a992152b3e1

On 13 July, 14:12, dr pepper seaking.helicopt...@gmail.com wrote:
 I think I allready posted a pic, didnt get any replies, at the moment
 its a few tubes screwed to a piece of wood so I spose it doent create
 any inspirations.
 I'll see if I've still got any pics of it.
 P.s. the clock is synced to the msf radio time signal.

 On 13 July, 14:05, kay486 luckyl...@gmail.com wrote:



  That looks like an really interesting clock! Do you have any pictures or
  video?

  On Friday, July 13, 2012 1:49:57 PM UTC+1, dr pepper wrote:

   I have a nixie clock prototype that uses 4 in1 nixies, a in9 bargraph and
   a og3 dekatron.
   The clock works well however the dekatron takes up 4 pins of the pic micro
   (3 for guides and 1 for zero detect), and I need these for further
   expansion.
   Is there an adaptation of the single pulse circuit that can be driven from
   5v logic from the micro so that I can step the dekatron from just one 
   pulse
   output from the micro.
   I'm thinking a few resistors and high volatge caps for the required guide
   time delay.- Hide quoted text -

  - Show quoted text -- Hide quoted text -

 - Show quoted text -

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