Author Topic: Yet another Nixie Clock  (Read 1030 times)

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Offline profdc9Topic starter

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Yet another Nixie Clock
« on: March 02, 2020, 03:23:35 am »
I designed a Nixie Clock using IN-14 tubes and all through-hole components to make an easy kit.  Check out a video of it here



You can find the schematics, PCBs, code for it here:

http://www.github.com/profdc9/NixieClock

It shows time, date, temperature, and humidity.

Enjoy!
 
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Offline awallin

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Re: Yet another Nixie Clock
« Reply #1 on: March 02, 2020, 06:14:52 am »
does it sync to NTP over wifi or wired ethernet? (and how does temp/RH get into the device)

what is the lifetime of nixie-tubes - years I would hope  ::)

upgrading the schematics from kicad 4 to latest kicad 5 might help others work with your design..
 

Offline profdc9Topic starter

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Re: Yet another Nixie Clock
« Reply #2 on: March 02, 2020, 04:44:24 pm »
It doesn't sync to NTP, but I have a connector on it for a GPS module to get the time.  I haven't implemented it yet though.  It uses the DHT22 module for temperature and humidity and a DS3231 for a RTC.

I use the Nixie tubes at a fairly conservative current, but since I haven't run it for a long time I'm not sure how long it will last, but it should be years

I need to update the projects from v4 to v5, just haven't done it yet, because v4 works well for my purposes.  The only change needed should just be to swap some library symbols and footprints to newer versions in the v5 library.

Dan
 

Offline Wimberleytech

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Re: Yet another Nixie Clock
« Reply #3 on: March 02, 2020, 06:26:00 pm »
Nice work.
I am nostalgic about these.  When I started electronics, much of the test equipment was nixie based.
I keep telling myself to get a nixie clock but I don't know if I want to build it or buy it.  There are arguments for each option.
 

Offline schmitt trigger

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Re: Yet another Nixie Clock
« Reply #4 on: March 02, 2020, 06:39:06 pm »
I love Nixies and all of the vintage glow displays, Dekatrons, neon lamps, bargraphs...

Have you implemented a routine to prevent the cathode poisoning?
« Last Edit: March 02, 2020, 06:41:25 pm by schmitt trigger »
 

Offline profdc9Topic starter

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Re: Yet another Nixie Clock
« Reply #5 on: March 03, 2020, 12:41:29 am »
I currently have a button if you press and hold for 2 seconds turns on each element for 1 minute to prevent cathode poisoning.  Not sure what else I should do besides that.  I suppose I could do 10 minutes or something like that to be sure.

 

Offline xavier60

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Re: Yet another Nixie Clock
« Reply #6 on: March 03, 2020, 12:54:28 am »
With my clock, I didn't worry about poisoning of unused digits because they will never be seen, unless the tubes are swapped some day.
HP 54645A dso, Fluke 87V dmm,  Agilent U8002A psu,  FY6600 function gen,  Brymen BM857S, HAKKO FM-204, New! HAKKO FX-971.
 


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