Re: [neonixie-l] VFD with Chinese Character

Hi Terry, 分 means “minute” in Japanese, and very likely the same in Chinese. On Friday, June 28, 2024 at 4:18:08 AM UTC+9 Mac Doktor wrote: > I just received mine. According to Google Translate, the character is "分" > ("Fēn") which translates as "point". > > > Terry Bowman, KA4HJH > "The Mac Doc

Re: [neonixie-l] CRT colors

I was just going to suggest the Bunker of Doom site, but Grahame you beat me to it! It tends to be a bit difficult (or expensive) to find electrostatic deflection CRTs in some of the more exotic phosphors, especially new-old-stock, but persistence (excuse the pun!!) does prevail. And as you can

Re: [neonixie-l] CRT colors

I was just going to suggest the Bunker of Doom site, but Grahame you beat me to it! It tends to be a bit difficult (or expensive) to find electrostatic deflection CRTs in some of the more exotic phosphors, especially new-old-stock, but persistence (excuse the pun!!) does prevail. And as you can

Re: [neonixie-l] Re: Recent catch at Apex Electronics Surplus

So jealous. Places like that once flourished in Japan, and even University salvage dumps here were fabulous hunting grounds! In the day, I found an entire original PDP-11, a working Apple II with Japanese ROMs, many many oscilloscopes, and numerous odd Nixie devices out in the rain and awaiting

[neonixie-l] Re: For interest: Pics from damaged HP crt

What a terrible shame, and a waste. But it's very interesting to see the flood guns and other elements exposed. Nice pictures! - Aaron -- 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

[neonixie-l] Japanese marking?

That’s right about the kanji meaning. It could refer to the lot or factory even. But just maybe it is the first kanji in someone’s name (like 島田) who did the QC on it? Pure conjecture, of course. By the way this was fun (but nothing new probably): http://kawoyama.la.coocan.jp/okayamusen%20rodan

[neonixie-l] P12 Phosphor CRT

Exquisite, Nick!! - Aaron -- 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 neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit http

[neonixie-l] My latest clock - slightly OT

That’s really attractive! I like the 24h movement, but the quartz bar really makes it tick (literally). Still, your Sperry Radar Clock has to be my hands-down favourite! - Aaron -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe fro

[neonixie-l] Re: Expensive NIMOs with mounting parts!

Sounds like a good investment! Unless someone starts to produce new NIMOs.. - Aaron -- 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 neonixie-l+unsubscr...@googleg

[neonixie-l] E1T clock finished

Brilliant work, Nick and Grahame! And even creating your own scripting language (Nuggle) - that’s a very creative solution to a such a common problem... - Aaron -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and s

Re: [neonixie-l] Calculator vfd tubes enquiry

Hi Dave It’s not much trouble. That listing had ended; if you can use Buyee to find what you need and let me know (please PM so the group doesn’t get spammed :) and I’ll get them for you. One day I may need a similar return favour, who knows! - Aaron -- You received this message because you

[neonixie-l] Re: Weird rectangular 6G-E12A Magic Eye tubes I found

p.s. This is used in FM radios. The text explains that it's driven by the ratio detector (discriminator) output / limiter grid voltage. I'm not that familiar with valve FM radio circuits, but it may make sense to others on this group. -- You received this message because you are subscribed to

Re: [neonixie-l] Re: Scope Clock Newbie Question About Heat

Similar to the foam idea, in my clocks I use a 2mm thickness of silicone between the (cast acrylic) clamp and the neck of the tube. The silicone rubber should last decades, it is translucent for good looks, and it seems to shield the heat from getting to the acrylic clamp. As for ventilation, m

[neonixie-l] Calculator vfd tubes enquiry

I’m in Japan and it’s not too much trouble if folks are in a pinch. There are lots of listings: 30 for 2000 yen https://page.auctions.yahoo.co.jp/jp/auction/w264309040 4 for 860 yen (Multiple listings like this) https://page.auctions.yahoo.co.jp/jp/auction/t601420112 Fees and shipping to me a

[neonixie-l] Calculator vfd tubes enquiry

^ Oops, I meant Dave, not Paul! -- 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 neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to ne

[neonixie-l] Calculator vfd tubes enquiry

Hi Paul, I’m happy to grab those LD8035Es off auction and ship to you. They seem dirt cheap. And Japan Post is actually incredibly reasonable compared to other countries’ postal services. Give me a PM if I can help. - Aaron -- You received this message because you are subscribed to the Google

[neonixie-l] Re: Scope clock recommendations

Nice to find an unbuilt kit like that! A Dutchtronix or similar can probably tie into the existing XY amplifiers just fine, but if the scope board you choose requires blanking, you may have an issue. Even if there is a Z-axis input, it is most likely capacitively-coupled because the cathode/gri

Re: [neonixie-l] Ever seen this?

David, out of curiosity did you ever get around to making the finished product mentioned on the page? - Aaron -- 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 neo

[neonixie-l] Global Shipping Program disaster, need help

At least GSP shipped the radio and did not deliberately “safely dispose” of it because it contained old tubes! (See other posts about these woes when shipping CRTs) I now request US sellers to send directly to me by USPS Priority Mail International (or Express) with insurance and tracking, and

Re: [neonixie-l] Re: tubes/valves and Global Shipping

Should I be doing this - sending a Shipping Question to folks on eBay offering GSP shipping, to beg them not to? Or might it cause more harm than good by making people worried about shipping overseas and no longer offer to us? -- Hi there! I'm afraid I'm all CRT'ed up and won't be bidding,

Re: [neonixie-l] Re: tubes/valves and Global Shipping

Does anyone have experience of GSP ruthlessly disposing of _equipment_ containing CRTs or tubes/valves? I mean, is it only individual tube purchases that are trashed, or do we have to worry about them inspecting the internals of equipment purchases as well? - Aaron -- You received this messa

[neonixie-l] Re: Beam trapping voltage

That's very interesting - so this is similar to deflection blanking, but without a special deflection blanking electrode? It's designed such that the X electrodes provide that function, and you just intentionally drive the beam into one of the plates? Aaron -- You received this message becaus

[neonixie-l] eBay GSP disposes of CRT for no reason

I can't help but share this experience with the Global Shipping Program. I bought a beautiful Brimar CRT and it was duly shipped to the GSP centre, after which ... they promptly disposed of it without the seller's consent! (And for no valid reason.) And the "Sent from my iPhone" ... -- Dea

[neonixie-l] [OT] "Metropolis" physical clock movement

Hi all, would anyone be interested in making a "Metropolis" _physical_ clock movement? The chap who commissioned the Metropolis Oscilloclock (http://oscilloclock.com/archives/3414) is now very keen to have a physical version that keeps accurate Metropolis time. I can imagine ways to d

[neonixie-l] Re: Scope Clock using an Arduino Due

Grahame, Absolutely fabulous! I love all the unique screens, and the image clarity is second to none. Your design really defines the next generation of 'circle graphics' !! - Aaron On Monday, January 23, 2017 at 9:53:32 PM UTC+9, Sgitheach wrote: > Hi All > > http://www.sgitheach.org.uk/sco

[neonixie-l] Latest clock - work in progress

Very nice work indeed!! Long live long persistence!! - Aaron -- 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 neonixie-l+unsubscr...@googlegroups.com. To post to t

[neonixie-l] Re: Legal aspects of kits for sale?

John, that's truly a great write-up, if not very scary. Regarding your liability insurance: Do they demand to see your product, go through its design documentation, or at least see testing evidence before offering the policy? Or if they do cover you with no questions asked, is there risk that t

[neonixie-l] Re: Graphic Weather Display For Your Next Scope Clock?

I got a little too inspired by this and just had to implement something similar. See my video at https://youtu.be/YvihNScbIR4 , and a short write-up at http://oscilloclock.com . This is truly stretching my limits with PIC 18F assembly! - Aaron -- You received this message because you are subs

[neonixie-l] Re: Graphic Weather Display For Your Next Scope Clock?

Very nice! I'm sure someone on this group can add that to a clock soon! - Aaron -- 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 neonixie-l+unsubscr...@googlegroup

[neonixie-l] Re: My CRT Clock

That's nice Bill! I really like the sheer nakedness of an exposed CRT. (Danger aside) - Aaron -- 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 neonixie-l+unsubscr.

[neonixie-l] Need a HP 525A plugin for HP 524 counter?

Anyone have an HP 524B/C/D counter? I picked up an HP 525A 10-100MHz frequency converter plugin recently, and am looking to send it to a good home for the cost of shipping. The setup with this plug-in is pictured here . The unit is a tad d

[neonixie-l] Counterfeit RTC modules

I'd be concerned about the Li-ion button battery - leaking chemicals in a HV nixie clock, or possibly causing fire, is another level of risk. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails

[neonixie-l] GPS modules MKT3339 vs A2235-H

For my lower-end units I use the NEO-6M-C module (from seller waveshare on eBay), as I wanted a 5V tolerant module and this was one of the more reasonable ones I could find. Note that the NEO-7M module from the same supplier doesn't have EEPROM, so you have to send the configuration instruction

[neonixie-l] Scope Clock rising from the ashes

Fantastic news David - can't wait to see the results! I know from conversations with Grahame how much flexibility the Arduino (and doing it in C!) can give, but I enjoy the assembly challenge so much I can't bear to give in just yet... However, I will have to do something soon, as my PIC has j

[neonixie-l] Just show you guys what I made

That's certainly an inspirational piece! Well done! Now I want to start playing with audio... Aaron -- 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 neonixie-l+un

Re: [neonixie-l] Any one have a dutchtronix kit or PCB?

Argh - I meant to say in my earlier response that my rule of thumb is 2000 DAYS (not hours) for good quality NOS CRTs. (Thanks David,your mention of 100,000 hours made me spot the blooper.) These days I'm quite enamoured of used Japan-made 3KP1(F)s as an alternative to 3RP1A. See recent blog po

[neonixie-l] Any one have a dutchtronix kit or PCB?

CRTs are just fabulous! Welcome to the looney bin. Would you mind posting links to those threads? I haven't chanced upon any holistic research comparing phosphor life across CRT types, so if anyone knows of such it would be fun to see. I personally use as a rule of thumb 2000 hours useful conti

Re: [neonixie-l] Video from Tesla (nixie tube manufacture)

Wow! That is superb. I assume such footage of actual factory production is very, very rare. Looking forward to the videos showing CRT manufacture, when you get time! Aaron -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this

Re: [neonixie-l] OT: On-line CNC experiences...

I'm also interested in seeing where people go for fabrication. As for the 3D modelling software, I've used SketchUp for years for hobby projects 'just because'. However, I've become increasingly frustrated at its inability to export intersected curves and arcs "cleanly" to DXF, even with the Sk

[neonixie-l] One more from the depths.... what would you do.

I really like minimal invasion when doing a conversion - although that might be tougher with nixies than with CRTs. What if you actually kept this unit as a distance measuring device, and built a stepper-driven mechanical slide (like the head of a printer) that would be stepped to represent tim

Re: [neonixie-l] Sperry Radar Clock almost done

Utterly magnificent work! That's very inspirational. I do hope the engineering manager allows you to place it in the most prominent location in your home... How about a noise-cancelling concept (a few speakers mounted externally, driven with the 900Hz out-of-phase); wonder if that would offer an

[neonixie-l] Re: Novel Nixie Clothing

That's a great idea! Coincidentally, we have a "light & colour" themed year end party coming up in two weeks at work, and when I got the announcement I'd thought how nice it would be to have some clothing-friendly nixie boards (clock? Random number? FLW?) to sew onto my costume. But of course t

Re: [neonixie-l] All valve/tube clock

That's a beautiful sight Grahame! Makes me want to shove aside the beloved CRTs and start playing with my nixies... (Okay, maybe I'm just joking a little there.) I love anything all-valve! I wonder if anyone has built any all-valve nixie circuits other than timepieces? Aaron -- You received

[neonixie-l] Re: Careful what you use to power your nixies...

That's absolutely terrible... And very scary about the headphones being a conduit. I strictly use either open-frame supplies where I can get a good look at the components used, or sealed wall packs with "medical" ratings. I'm not an expert on what this category really signifies, but trust the e

Re: [neonixie-l] Sperry radar clock now working!

By "noise canceling", my crazy idea was something like this: Attach a microphone on the transformer, apply a band-width filter at 900Hz, phase delay 180 degrees and output the amplified out-of-phase signal via a transducer or speaker mounted on the chassis. Complete overkill, but could it possi

[neonixie-l] Sperry radar clock now working!

Morris that is truly awesome. I admit to having no clue how this could work after all, and to having to go back and re-read your "Saga of the Sperry part 3" article - and I suspect I'll do so several times more before I "get it"! Would a simple noise-canceling unit tuned to the transformer frequ

[neonixie-l] Sperry clock trace

Morris, well done, that is a truly stunning trace!!! Can't wait to see the next bit of progress. Aaron -- 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 neonixie-l

[neonixie-l] Re: Nixie Multimeter Takeda Riken TR6155M

Well done on that find. I love Takeda Riken (later, "Advantest") equipment. The quality of their gear seems much, much better than Leader (another hugely popular Japanese manufacturer). I have a few nixie TR multimeters on my bench and they work wonderfully. The later nixie models tend to show u

Re: [neonixie-l] CRT clock question

Oh boy, I *salivate* every time I hear folks mention the possibility of re-purposing magnetic deflection CRTs. Good luck Morris and John! Morris, would you be able to post a photo of your Sperry unit? I wasn't able to spot one readily on the web. Aaron -- You received this message because you

[neonixie-l] Help with upgrading my soldering iron

A few years back I invested in a Hozan HS-51. I've never used any other soldering station before so can't offer a comparison, but there are two things I LOVE about this unit, and absolutely nothing I dislike! 1. You can change the tips on the fly - quite literally hot-swappable! There is a push

Re: [neonixie-l] Slightly OT - 2kV voltage isolation?

Delightfully on topic for me! This makes the second part that I'm using perhaps well outside its design limits. (The first was Michel's pointing out that my bias on the DAC's analogue ground is outside parameters.) I hadn't thought too much about the 6N137 isolation wear problem, beyond just cho

Re: [neonixie-l] Re: New power supply design

I've used off-the-shelf and readily-available TDK cores in the past. I recently wrote a 4-part series on how to design, choose a core, and wind your own flyback HV trafo. By no means a professional treatise, and certainly the trafo won't have jt's very high efficiency, but it should be enough t

Re: [neonixie-l] Re: Using 60Hz line-frequency (US) for your nixie clock

Useless trivia perhaps, but in the Western half of Japan, utilities deliver 100V at 60Hz, while in the eastern half it is at 50Hz. Until surprisingly recently, many non-clock appliances such as washing machines and even microwaves could not be used in a different region to where they were sold!

[neonixie-l] (sot) O'scope question

Hi Kerry, Contrary to what you might think from the e-bay listing, a Vectorscope is most certainly NOT an oscilloscope, and does not have X, Y, and Z (intensity/blanking) inputs. A vector scope allows one to visualize the color composition of (analogue) NTSC television signals. The input is usu

[neonixie-l] A Heathkit Oscilloclock!

For all the Heathkit aficionados out there - http://oscilloclock.com/archives/1910 Here's my Grandpa's *Heathkit OR-1 DC Oscilloscope* converted to a scope clock! I love Heathkit... Cheers Aaron -- You received this message because you are su

[neonixie-l] Magic eye circuits for 6E5

I LOVE the 6E5! It started my long passion in electronics, when my father bought me my first antique radio, a Majestic, at the age of 8. There are a few pix of my radio and its 6E5 at http://oscilloclock.com/history. The 6E5 was also used in numerous pieces of test equipment - I have a Heathkit

[neonixie-l] ZX81 Nixie Clock

e it to my Oscilloclock!! Aaron http://oscilloclock.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 neonixie-l+unsubscr...@googlegroups.com. To post to

[neonixie-l] HVPS for nixie clock kit

Hi Michel, I did not know about that module but it looks very interesting. How old is the module? I didn't spot the switching frequency mentioned in the PDF specs. It must be quite low for people to be able to actually hear various resonations in the audible range? But using discrete components

[neonixie-l] Nixies and Anita at Munich's Deutsches Museum

I visited that museum some years ago. It was fabulous! My takeaways were the (fully) analogue computer and early memory units using storage CRT technology... among other inspirational displays. I can't wait to go again... Aaron -- You received this message because you are subscribed to the Go

Re: [neonixie-l] Re: Sgitheach web page update

Wow, wow, wow!! Grahame, I think if you are varying the grid current well within the design range and you see focus vary significantly enough to notice, you have a PSU problem. Either you aren't supplying the right voltage to the anode, the deflection plates are not at the right potential (in

[neonixie-l] Re: 5BP1 CRT

Not that I'm biased (!), but if you are able to roll your own, you can see two nice designs employing circle graphics at Grahame's site and at Oscilloclock.com . These are based on David's original design at cathodecorner.com . There are many other ras

[neonixie-l] Second Scope Clock

Grahame, it was a privilege to preview some of your new clock design a little earlier on - and now I see the site. It really is amazing. I love the fonts and all the different faces you have dreamt up! And now we have seen experiments with Motorola, PIC, and AVR architectures. It is time for me

Re: [neonixie-l] Projection displays hidden in big ebay load - stockport UK

Sacrilege! One can never have enough equipment to use :) I use every piece of my vintage equipment... once a year... Aaron http://oscilloclock.com On Wednesday, October 24, 2012 7:24:05

[neonixie-l] A new Halloween feature at Oscilloclock.com

Hi all, For those following me at Oscilloclock.com and perhaps building your own, take a look at a new software feature, "Seasonal Treats". I think you might like it. This is a simple application of a basic Sprite Engine I am developing, which will push t

[neonixie-l] Re: My new Scope Clock site, Oscilloclock.com

You have it, Michel! I have several posts on theory in Draft state so be sure to subscribe or check back once in a while. Until then, (and very likely even AFTER then!), the best circuit theory explanation is on David's site: http://cathodecorner.com/sc200theory.html My circuit has not veere

[neonixie-l] My new Scope Clock site, Oscilloclock.com

Hi everyone, I think scope clocks are a little off-topic here but wanted to let people know - Years ago, I saw David's incredible Scope Clockand decided I really, REALLY wanted to make one for myself! So, over the past few years I've managed to ma