[neonixie-l] Re: Manuel Azevedo - 1977-2018

Shocking news. On Sunday, August 12, 2018 at 8:12:55 PM UTC-4, Jeff Walton wrote: > > Our group has lost a friend. *Manuel Azevedo* > > > passed away suddenly on July 16th, at the age of 41, while on vacatio

[neonixie-l] Re: Welcome & please introduce yourself!

My background is technical/scientific with a very broad reach, which reflects my diverse interests. My day job though, is software engineering. I can't remember when I first saw a Nixie clock, but at the time they were out of my price range. Fast forward to a few years ago, and they suddenly se

[neonixie-l] Re: old fashioned pcb

Nice looking clock. I really need to stop getting distracted and build an actual full Nixie clock. As I came to this late in life, my first PCBs were all surface mount. For my ITS1A clock, I went full through-hole. The ESP-01 is a bit of a stretch, but for the builder it is still through-hole.

[neonixie-l] What is this connector called?

You often find these for sale at vintage radio swap meets, with or without leads attached. -- 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] Adding audio clips to a clock...

I've been thinking about adding limited audio to my designs. Things like audio effects, chimes, alarms etc. Ideally I would like something that I can control using I2C, because my basic design uses I2C for various expansion modules, though I could use a GPIO/I2C expansion module as an intermed

RE: [neonixie-l] Re: Adding audio clips to a clock...

Mark, How do I load audio onto these and program the macros? i.e. what hardware do I need? It seems like they are programmed using SPI via the nuvoton USB dongle, is that correct? The most likely other alternative I would go for would be some variation of this https://circuitdigest.com/microc

Re: [neonixie-l] Re: Welcome & please introduce yourself!

Use the SPI Library - it handles the bitbanging and the timing for you (I’m typing this on my phone, so it is a bit rough) You may need to use a different SPI mode. There are four possibilities You will also need to figure out which pins the SPI library uses. In setup: digitalWrite(LEpin,

[neonixie-l] Re: HV5530 problems

What Greg says (i.e. output a known fixed pattern), but also try getting it working for just the first HV5530 in the chain initially. Then expand it to two. Etc. etc. Do you have a scope? If so, look at the signals on the pins from the Arduino and from the 12V side of the level shifter. Are they

[neonixie-l] Re: HV5530 problems

Interesting. Using SPI on arduino works really well, but I've just realized that the MISO/MOSI/SS/SCK pins are fixed on that platform(?) - I have been using ESP8266 for a long time now and go to some lengths on that platform to avoid interrupts while shifting data out. I assume that it would be

[neonixie-l] Rare NOS IEE NIMO Digital Readout CRT Vacuum Tube - 32 Available

Well that didn't last long! -- 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 neonix

[neonixie-l] Re: IN-4 eagle template

I uploaded a fix to my library (which is the one you mention below, but with other fixes too): https://github.com/judge2005/Eagle-and-KiCAD-Nixie-Libs/blob/master/nixies-us.lbr. I haven't tried it, but you should be able to verify it. On Wednesday, October 24, 2018 at 12:39:49 PM UTC-4, Mateus

Re: [neonixie-l] Lovely project with "fake" IEE NIMOs!

That is quite the project. The build techniques alone are fascinating. The guy shows real ingenuity. -- 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

[neonixie-l] Dummy load

Hi I’ve been looking for an electronic dummy load for a while, but I can’t justify spending money on a piece of lab equipment. There are several cheap dummy loads around, but most of them can’t tolerate the sorts of voltages that a nixie power supply needs to produce. A few days ago I came acr

[neonixie-l] Re: Dummy load

Thanks for the ideas and the links. One reason I was thinking of maybe modifying the device in my post is that it essentially contains all the raw ingredients already (I assume), and on a PCB. I need to think about it some - and fit it into all my other projects! -- You received this message b

[neonixie-l] Re: Neon Glow Lamp Clock

Very impressive -- 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 neonixie-l@googleg

[neonixie-l] New Nixie tubes online: super rare National Union special symbol tube!

That Inditron is very interesting, even more so because if your analysis of the current state it is in. -- 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] New Nixie tubes online: super rare National Union special symbol tube!

In fact they are all quite fascinating. Congratulations. -- 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 g

Re: [neonixie-l] Nixie Slot Machine (concept test)

Wonderful example of applied psychology. Perhaps I should have majored in that instead of moving to computer science? My Uncle used to rent slot machines to pubs (cafes, wherever) in the UK. Once he showed me inside one - it had vertical tubes inside that some of the coins were stored in, and t

[neonixie-l] Re: Dummy load

I've been slowly working up to doing something about this. I bought one of the electronic loads I mentioned in the first post and played with it a little. I noticed that it simply can't create a load of less than around 50mA. It seems like this might be because it doesn't use a rail-rail op amp

Re: [neonixie-l] Re: Lighting up a DM160

the dotted line from the ground to the 50V line mean? Did you short it? I bought some of these and have been studying your schematic, but I cant figure out what that means. On Sunday, March 12, 2017 at 2:11:32 PM UTC-5, Paul Andrews wrote: > > Here is a schematic. Some notes about it: The fila

[neonixie-l] Re: Counterfeit RTC modules

What happens if you let it roll over from a different date? Say 12/31/2017? My guess in that case would be 08/01/2017. -- 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

Re: [neonixie-l] Re: Pulsed operation and anode current

What is your pulse width and period? The brightness will be greatly affected by the on time of the pulse as it takes a while for the tube to turn on, meaning it isn’t on for the whole of the pulse on-time. You can decrease how long it takes the tube to light up by holding the unlit cathodes at

Re: [neonixie-l] Re: Pulsed operation and anode current

I should add that using a higher voltage also reduces the time it takes for a tube to light up,, which is probably why the datasheet recommends it. > On Jan 22, 2019, at 6:34 AM, Paul Andrews wrote: > > What is your pulse width and period? The brightness will be greatly affected &g

[neonixie-l] Re: Ramos Alarm Clock schematics/board files/ firmware

I didn't know about these. How did you sell them? On Tuesday, January 29, 2019 at 3:33:10 PM UTC-5, pwalnuts wrote: > > Hi all, wanted to share this in case it's for any use to anyone. Here's a > git repo that has all the schematics/boardfiles/firmware for the Ramos > Nixie Alarm clock I produce

Re: [neonixie-l] Pulsed operation and anode current

Other things to try: Pull-down resistor on the anode to make it drop to zero faster. Pull up resistor on the cathodes to 75V. Cathodes act as additional anodes and floating cathodes can float at a high enough voltage for that to become noticeable. -- You received this message because you are

[neonixie-l] How dangerous is 150V - 170V DC?

The following is not in any way advice; This is what I have heard; The heart can be stopped by a few mA at 9V. Applying that to the skin will not get it to the heart because the skin is a good insulator. You need enough voltage to break down that resistance, or there needs to be a physical brea

Re: [neonixie-l] How dangerous is 150V - 170V DC?

Ugh. Autocomplete massacred that last paragraph. > On Feb 1, 2019, at 6:07 AM, Paul Andrews wrote: > > The following is not in any way advice; > > This is what I have heard; The heart can be stopped by a few mA at 9V. > Applying that to the skin will not get it to the hear

Re: [neonixie-l] ZIN18

I agree with Jeff about the size of the base, and it does seem odd that they are priced at more than the IN-18. Do Millclok know something we don’t? However, it is still good to see new tubes being made. -- You received this message because you are subscribed to the Google Groups "neonixie-l"

[neonixie-l] Re:

Yesterday there was around $390 pledged. I wasn't aware that an investor could back out? If Millclock decide not to go ahead with this particular tube, I hope they *do* go ahead with something. On Saturday, February 9, 2019 at 12:40:29 PM UTC-5, gregebert wrote: > > Considering only 3 USD has be

Re: [neonixie-l] ZIN18

Just backed it. Good luck reaching your goal. -- 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

RE: [neonixie-l] The case of the singing nixie tube

sometimes the vibrations come from the inductor itself (the coils are moving and creating the sound, much like in a speaker). Are you positive the sound emanates from the glass bulb? This is quite fascinating. Maybe you can build a Nixie-speaker! ;-) Jens On 2019-02-23 5:22 a.m., Paul Andrews

Re: [neonixie-l] Re: The case of the singing nixie tube

ay, February 23, 2019 at 7:22:59 AM UTC-5, Paul Andrews wrote: >> None of my other tubes exhibit this behavior (with a caveat I will get into >> in a moment). My theory on this was that the large cathodes on the CD47 >> could vibrate at lower frequencies than any other tube in

Re: [neonixie-l] Re: The case of the singing nixie tube

I used an app called SpectrumView which gives a nice plot of freq against db. It shows a mess of noise below 4Khz, I think I would need a really quiet room to get rid of that. With no dimming/fading there are noticeable peaks at 4KHz, 8KHz and 12KHz, 12KHz is the upper limit of the frequency scale

Re: [neonixie-l] The case of the singing nixie tube

myself yet. My > apologies if I'm just saying something everyone already knows.] > > >> On Feb 24, 2019, at 9:33 AM, Paul Andrews wrote: >> >> With no dimming/fading there are noticeable peaks at 4KHz, 8KHz and 12KHz, >> 12KHz is the upper limit of the frequency

Re: [neonixie-l] Re: Push-pull driving cathodes

Or check out mine. Also open source. 3V-18V: https://hackaday.io/project/27899-nixie-tube-power-supply -- 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: Push-pull driving cathodes

I use the LM3478. It seems to have similar specs and comes in a SOIC version too. I was going to evaluate several, but the LM3478 worked well enough for my purposes! On Thursday, March 21, 2019 at 4:48:28 PM UTC-4, SWISSNIXIE - Jonathan F. wrote: > > The LT3757 looks quite like a nice ic, i wil

[neonixie-l] Looking for B5094, NL-5094 or NL-911

Anyone interested in selling, trading or giving away(!) one of these tubes, please PM me. -- 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...@g

[neonixie-l] Q: Active full-wave rectifiers

I want to create a 5V/1A regulated power supply from a 6.3V RMS input. I can get a regular diode bridge in a 4 pin DIP package, but it is marginal and my simulations and actual tests show that the forward voltage drop is too much under even a light load. My simulations show that a Schottky diode

[neonixie-l] Re: Q: Active full-wave rectifiers

, and who knows how stable the output of that module is if I get up to around 1A? On Sunday, March 24, 2019 at 10:46:22 AM UTC-4, Paul Andrews wrote: > > I want to create a 5V/1A regulated power supply from a 6.3V RMS input. I > can get a regular diode bridge in a 4 pin DIP package, but

[neonixie-l] Re: Q: Active full-wave rectifiers

if I disconnect the mains transformer. However, as an exercise, this is turning out to be more interesting than I thought, so I will pursue it for a while longer. Not sure if I'm up for building my own buck/boost converter. Yet. On Sunday, March 24, 2019 at 10:46:22 AM UTC-4, Paul Andrews

Re: [neonixie-l] 8971/7971 clocks

Wow. His stuff is like Chihuly, but with life! On Monday, April 1, 2019 at 10:28:17 AM UTC-4, Pramanicin wrote: > > :-) > > I finally broke down and bought a piece from Wayne Strattmanlovely 4 > ft plasma tube. I do love some physics based ‘toys’... > > The sterling engine is from Bohmt

[neonixie-l] B-7094 Clock

Spray the socket with deoxit or WD40 and leave it to soak. Try and keep it on the pins so you don’t make everything slippery. If you get it on the socket or tube, clean it off with isopropyl alcohol, but be careful not to rub any markings on the tube, they can come off pretty easily. Those are

Re: [neonixie-l] Re: B-7094 Clock

:57:13 AM UTC-4, Kevin A. wrote: > > Any more pics/info on that clock? Looks like a nice little design. > > On Tue, Apr 2, 2019, 5:59 AM Paul Andrews > > wrote: > >> This is one of my clicks running a NL8091, which has the same pinout. For >> the 7094 I just ch

[neonixie-l] Re: Alternatives to 74141's etc

But then the HV5530 is a 12V piece. I use the HV5523, which is a 5V part but is also SMD. You can see my reasoning here: https://hackaday.io/project/28220-one-tube-nixie-clock/log/70572-component-selection On Thursday, April 4, 2019 at 11:09:17 AM UTC-4, Richard Scales wrote: > > Hello everyone

Re: [neonixie-l] Another Tube Hobby Failure

The short lifetime ratings of electrolytics have always worried me. 8,000 hours? That’s about 1 year, though that is at rated operating conditions. This article discusses dressing of lifespan: https://www.allaboutcircuits.com/news/calculating-the-lifespan-of-electrolytic-capacitors-with-de-ratin

[neonixie-l] Re: Gorgeous GR10N tube

Very jealous! On Thursday, April 18, 2019 at 2:32:40 PM UTC-4, SWISSNIXIE - Jonathan F. wrote: > > See google drive link for high res images > > https://drive.google.com/open?id=1IcmaoIi5c0BIlBYfUhnKhZzmmhUukwGT > -- You received this message because you are subscribed to the Google Groups "ne

[neonixie-l] Re: Q: Active full-wave rectifiers

Just to close this up: The problem with the ESP32 resetting was caused by the quite ridiculous voltage drop across several jumpers. In the end I am using a small 5V module I can wire into the mains side of the circuit. My design has changed and the 6.3V secondary I was going to tap for the 5V

Re: [neonixie-l] Re: Welcome & please introduce yourself!

I cannot remember what) I discovered Nixie Tubes and am now >>> totally addicted. >>> I started with a PV QTC Kit and have built several more since as well as >>> Spectrum 1040, 1080 and 568, Elite, DINK, Quattro, Halo and FunKlock I >>> have also built kits f

Re: [neonixie-l] Unusual Gabel lamp

Wow to both! > On Apr 20, 2019, at 9:28 AM, 【ツ】John Smout wrote: > > I came across this rare lamp for sale today - the guy wants £500 GBP. Someone > is already in discussion with the seller, so I expect it has sold. I am not > sure if it is neon or not, but I suspect so. > > The John Gabel Ma

Re: [neonixie-l] What a find!

I spent a little time developing a frequency generator yo display the time on frequency counters. Here’s a link to my write up: https://www.nixies.us/2018/03/25/display-the-time-on-an-old-frequency-counter/ Ultimately, not something I’d recommend, but fun anyway. -- You received this message b

[neonixie-l] About high prices.. best things come cheap

Mixed boxes are always the best. I have quite a few tubes that I have not seen anywhere else through buying mixed lots. It helps that I don't care much about used v. NOS. NOS/NIB is always special, but if you want rare tubes, you have to accept that most are used. -- You received this message

[neonixie-l] Re: About high prices.. best things come cheap

22, 2019 at 8:06:07 AM UTC-4, Paul Andrews wrote: >> >> Mixed boxes are always the best. I have quite a few tubes that I have not >> seen anywhere else through buying mixed lots. It helps that I don't care >> much about used v. NOS. NOS/NIB is always special, but if y

Re: [neonixie-l] What a find!

I just attached the probe from the counter to the pin I was toggling. I’m not sure how your unit would work. -- 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 neoni

Re: [neonixie-l] What a find!

r counter? I'll buy and > we can save the counter from "Nixie Harvesting" ;) > > > >> On Mon, Apr 22, 2019 at 3:35 PM Paul Andrews wrote: >> I just attached the probe from the counter to the pin I was toggling. I’m >> not sure how your unit would wor

Re: [neonixie-l] Universal Nixie Tube Tester - pro version

Well for me, part of the artistry is creating a device like this. In my own case, I seem to have become obsessed with power supplies, having started out being obsessed with nixie clocks. I am finally determined to bring a six tube clock to life (I've done single tube clocks, four tube clocks, an

Re: [neonixie-l] Universal Nixie Tube Tester - pro version

tubes themselves... On Tuesday, April 23, 2019 at 4:46:38 PM UTC-4, Nixcited delighted wrote: > > On 23 Apr 2019, at 21:32, Paul Andrews > > wrote: > > > > Well for me, part of the artistry is creating a device like this. > > The craftsmanship and technical prowes

[neonixie-l] (12) 16-Pin NIXIE TUBES National Electronics NL5441A Burroughs B5441A Untested

Theory is that one of the reasons for the anode mesh in Nixie tubes is to catch the material sputtered off the cathodes during use. Some tubes (I’m thinking IN-18) have gaps on the sides that let material through during the burn-in process. The presence of material on the glass in these tubes do

Re: [neonixie-l] IN-18 new for sale

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

Re: [neonixie-l] IN-18 new for sale

perhaps I'm just overdoing it ;-) > > David > > On Thu, 25 Apr 2019 at 14:58, Paul Andrews > > 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: >>>

[neonixie-l] Re: IN-18 vs Z5660M

No they aren't, so I imagine you have to specify which one you want when you order it. On Thursday, April 25, 2019 at 1:43:21 PM UTC-4, M1 wrote: > > Decided to take a quick look at clocks. > > I see some on ebay that state IN-18/Z5660M clocks. > > > > Are the two tubes interchangeable? > > >

RE: [neonixie-l] IN-18 new for sale

I’m not going to make another run. Someone on here is having some boards made. I’ll ping him and see if he will have some spare. If not, you can get some made here https://www.pcbway.com/project/shareproject/ITS1A_clock_boards.html From: Bill Notfaded Sent: Thursday, April 25, 2019 10:37 PM To:

Re: [neonixie-l] Tube/bulbs for colon separators?

They don’t need AC. They will run off DC, but only one electrode will light up. Also, 60V will be either the maintenance voltage or the minimum strike voltage. You can think of them as small Nixie tubes, so you just need to calculate a suitable current limiting resistor, like you do for nixies.

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