That looks very effective :-) I usually use the SMD neopixels but have deliberately gone with some THT designs when I've been designing kits,as people understandably prefer those...
David On Thu, 25 Apr 2019 at 16:28, Paul Andrews <[email protected]> wrote: > On my boards I've mounted a 3.5mm neopixel right behind the nipple (there > isn't room for a 5mm one). It is still bright enough and the illumination > looks even. You can see it here https://www.nixies.us/bwg_gallery/in-18/ > > > On Thursday, April 25, 2019 at 9:59:24 AM UTC-4, David Pye wrote: >> >> For most of the designs that's exactly what I've done, but my thought >> here was that the glass 'fill nipple' of the IN18 means I'd have to mount >> off centre, and I wondered if the light might be uneven. >> >> But yeah, I think you're right - perhaps I'm just overdoing it ;-) >> >> David >> >> On Thu, 25 Apr 2019 at 14:58, Paul Andrews <[email protected]> wrote: >> >>> Honestly, I think one WS2812B is enough. They are very bright. >>> >>> On Thursday, April 25, 2019 at 7:13:39 AM UTC-4, David Pye wrote: >>>> >>>> Hi, >>>> >>>> That's good to know - thank you! >>>> >>>> I am planning some custom-made PCBs with freestanding nixie pins to >>>> mount them. >>>> >>>> I'll have a look when they arrive and check my KiCAD footprints are >>>> right. >>>> >>>> I'm also planning to bottom-light them with three 5mm WS2812B-alike >>>> 'smart' LEDs per tube. >>>> >>>> David >>>> >>>> On Wed, 24 Apr 2019 at 17:01, gregebert <[email protected]> wrote: >>>> >>>>> I have 14 IN-18 tubes running in my clock for a few years now, with no >>>>> failures. *They are a good quality tube*. >>>>> >>>>> Be careful when socketing them, because the pin material is a soft >>>>> metal that bends easily. >>>>> The light surface corrosion on the pins is harmless, and I dont >>>>> recommend trying to clean it off. >>>>> The one exception I've see is an IN-18 manufactured in 1977 that has >>>>> stiff corrosion-resistant pins. >>>>> I've never observed any glowing bondwires, or blue dots. >>>>> >>>>> Keep an eye out for cathode poisoning, because it has happened to me >>>>> on a few tubes, BUT it has always been 100% recoverable at nominal >>>>> current. >>>>> >>>>> The cathode poisoning is entirely my fault because the month and year >>>>> display tubes are basically static. Even though I run a nightly >>>>> depoisoning >>>>> sequence for 1 hour, some tubes slowly got poisoned anyways. All I did was >>>>> swap sockets, and after a few days the problem was gone. >>>>> >>>>> >>>>> -- >>>>> 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 post to this group, send email to [email protected]. >>>>> To view this discussion on the web, visit >>>>> https://groups.google.com/d/msgid/neonixie-l/93c54f1c-6898-4bf5-90eb-4d3b96e5e866%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/neonixie-l/93c54f1c-6898-4bf5-90eb-4d3b96e5e866%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>> 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 post to this group, send email to [email protected]. >>> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/a42e4507-c51f-4ebd-9ade-f6e3ef280110%40googlegroups.com >>> <https://groups.google.com/d/msgid/neonixie-l/a42e4507-c51f-4ebd-9ade-f6e3ef280110%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- > 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 post to this group, send email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/82336ce2-336f-4e8f-9fbe-393fdb1735db%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/82336ce2-336f-4e8f-9fbe-393fdb1735db%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAOQ6x0E2_ZLnMPo2L8bNr1OfRE0QA8on8DT7N9iYoM7Epu4Tvw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
