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 <https://getmailspring.com/>, the best free email >> app for work >> On Jul 21 2025, at 11:48 pm, Jarod Findley <[email protected]> >> <[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/. >> <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 <https://getmailspring.com/>, 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 >> <https://www.pa3fwm.nl/projects/neonclock2/pa3fwm_neonclock2_schematic.pdf> >> 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 >> <https://groups.google.com/d/msgid/neonixie-l/390fea2f-0fce-4557-80d1-4e6b8ed0813en%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> >> -- >> 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 >> <https://groups.google.com/d/msgid/neonixie-l/90056DDC-CBF5-459C-87A9-C6B76DB1628F%40getmailspring.com?utm_medium=email&utm_source=footer> >> . >> >> >> -- >> 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 >> <https://groups.google.com/d/msgid/neonixie-l/CAL_1Jahz7tHfe-ep4kuXwOdLNmdgn7%3DJJkwekbe9sSWVJ5Yupw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> -- >> 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 >> <https://groups.google.com/d/msgid/neonixie-l/1690C145-FF58-4C72-B0D4-CF28E4CEF42F%40getmailspring.com?utm_medium=email&utm_source=footer> >> . >> >> -- >> 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 >> <https://groups.google.com/d/msgid/neonixie-l/2aadf306-d917-476b-893c-04199d53a2a3%40googlemail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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