I can't see IR leds working, though I haven't tried them UV leds are more likely to work. Might be made invisible if filtered unless Nixies have any phosphors in them.
Yes, I know they don't rely on phosphors but you might find some cement or getter residue or something that fluoresces. On Fri, Jul 25, 2025 at 2:08 AM Jarod Findley <[email protected]> wrote: > > https://www.pa3fwm.nl/projects/neonclock2/ > > Sorry this is the write up I was referring to the other one is still very > informative > > On Wed, Jul 23, 2025, 1:39 AM Jarod Findley <[email protected]> wrote: >> >> https://www.pa3fwm.nl/projects/neonclock/ >> >> In this write up you can see he addresses the problem of the neon bulbs not >> being able to light in the dark with blue leds. I wonder if you could use ir >> leds and keep it invisible >> >> On Tue, Jul 22, 2025, 5:13 PM 'Grahame Marsh' via neonixie-l >> <[email protected]> wrote: >>> >>> Hi Jarod >>> >>> I skipped neon bulbs and and used trigger tubes. My first clock used XC18 >>> tubes which originally had (long-gone) radioactive doping to get reliable >>> operation in the dark. I then used Z700U tubes which have a primer >>> electrode and do operate reliably in the dark. >>> >>> Does anyone have experience with neon bulb ring counters operating in the >>> dark? >>> >>> Grahame >>> >>> On 22/07/2025 21:07, Joe Croft wrote: >>> >>> Hi Jarod, >>> >>> I saw that about the ne-2 diodes. My solution was much more painful. I went >>> through the neon lamps and matched them. I look forward to seeing the final >>> clock! >>> >>> -joe >>> >>> Sent from Mailspring, the best free email app for work >>> On Jul 21 2025, at 11:48 pm, Jarod Findley <[email protected]> wrote: >>> >>> I hoping the design I used is going to be robust enough for my circuit. If >>> you haven't read the attached website to the pdf I linked he has some very >>> good information on ring counters and why the ne2 is so difficult to use in >>> them. Im hoping the in28 are similar enough to be adapted. >>> >>> My next purchase definitely is going to be a quality bread boat and scope >>> for doing some diagnostic work. Thanks for info and help guys ill >>> definitely be simulating and real world testing. Ill keep the group posted >>> >>> On Mon, Jul 21, 2025, 9:16 PM Joe Croft <[email protected]> wrote: >>> >>> Hi Jarod. >>> >>> This reminds me of my NixieNeon clock, >>> https://www.nixieneon.com/main/nixieneon-clock-documentation/. This clock >>> was a lot of fun but the ring counters could be hell! I had a lot of >>> matching to do with the neon bulbs. Granted, I was using NE-2 lamps, not >>> triggered neons for the counters. But the best I can tell, you are not >>> using the trigger leads. Ig nore the processor, it is mostly for setting >>> the time as well as giving a little eye candy every 5 minutes. The rings >>> will free run with out the processor. >>> >>> I recommend you bread board one or two of the rings.Also, I was not able >>> to coulpe just using a capacitor and a diode. I ended up needing a >>> transistor. Of course all of that could have been from my short comings in >>> hardware design (I am principally a software guy who loves the smell of >>> rosin) . >>> >>> I hope your clock works out for you. I still have a love for ring counters >>> like these. >>> >>> -joe >>> >>> Sent from Mailspring, the best free email app for work >>> On Jul 18 2025, at 5:14 pm, Jarod Findley <[email protected]> wrote: >>> >>> Hi all this is my second post and I'm still learning a lot about >>> nixies-neon tubes and how they work. This is my first project design i used >>> this schematic to design a clock around in-28 neon tubes and some large >>> size nixies like zin-70. I have not calculated values for the resistors and >>> such nor have I tested anything yet. Id like to know if my design is >>> correct before I move it into the real world. It will have a ring counter >>> for the Hours, Minutes, Seconds, Am Pm, and a 60 ring counter to visually >>> indicate the seconds. This will be a 12 hour clock and have Am Pm tubes. My >>> plan is to design a nice case and have it displayed in my living room. I >>> know its ambitious for a first time project and apricate any feed back, >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion, visit >>> https://groups.google.com/d/msgid/neonixie-l/390fea2f-0fce-4557-80d1-4e6b8ed0813en%40googlegroups.com. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion, visit >>> https://groups.google.com/d/msgid/neonixie-l/90056DDC-CBF5-459C-87A9-C6B76DB1628F%40getmailspring.com. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion, visit >>> https://groups.google.com/d/msgid/neonixie-l/CAL_1Jahz7tHfe-ep4kuXwOdLNmdgn7%3DJJkwekbe9sSWVJ5Yupw%40mail.gmail.com. >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion, visit >>> https://groups.google.com/d/msgid/neonixie-l/1690C145-FF58-4C72-B0D4-CF28E4CEF42F%40getmailspring.com. >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion, visit >>> https://groups.google.com/d/msgid/neonixie-l/2aadf306-d917-476b-893c-04199d53a2a3%40googlemail.com. > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion, visit > https://groups.google.com/d/msgid/neonixie-l/CAL_1Jah3t90OgjV7ib_sacwEWX8M9X57UQRFS72zdUwqX%2BSNGQ%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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