Re: [neonixie-l] Reboot of an old clock kit design

['Dan Hollis' via neonixie-l]

On Tue, 17 May 2022, Moses wrote:

Now on to the point of this post. Before I order the second prototype, I would 
like to know what people think of it.

Comments about the overall design or any specifics, what you like or don't like 
about it. Any changes or additions you would make?

There is still time for me to make changes.. so if there are any other standard 
pinouts (like for the light sensor/etc) that I can easily add I will. This was 
my first real experience with the
ESP32 board and it works well in the design along with the Pi Zero which has a 
big following.


I'd like to run IN-18 tubes. Or millclock ZIN-70. Or dalibor's R568M. A modular 
design would be nice :D

adafruit feather pinout would be nice too. there's a reasonably large choice of 
microcontrollers and devices that use this.
https://www.adafruit.com/category/943

-Dan

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Re: [neonixie-l] Old Post Office Clock

[Dan Hollis]

Resistor is required.

Forward current on the datasheet is maximum rating.

I don't see any current limiting resistor in the datasheet, diodes will 
dump current until they self destruct unless you limit them with a 
resistor.


The segments are 12V because they are 5x series diodes, forward voltage 
drop is typically 2.5v * 5 = ~12V


NOTE! Decimal point is a single LED, therefore you will likely blow it out 
if you use 12v.


-Dan

On Sat, 2 Jan 2021, Bill Stanley wrote:


Doing a bit or research, I believe the LED display is (or is similar) to an
obsolete part, ELS-4005SURWA/S530-A3 ,
datasheet at
https://media.digikey.com/pdf/Data%20Sheets/Everlight%20PDFs/ELS-4005SURWA_S530-A3.pdf

This part matches the size and pinout of your units. Each segment has 5
series LEDs with an If of 25mA and a Vf of 10-12V, thus no resistors
required.

 -Bill-

On Saturday, January 2, 2021 at 8:26:58 AM UTC-8 Bill Stanley wrote:


From a software point of view the Arduino should be able to generate the
signals. It is possible that a SPI interface will do a lot of the serial
conversion.
In terms of a library, once the serial format is known and if (big if) a
SPI port can be used, there is probably some library code that could be
used as a starting point. I'm sure someone can give a lot better
information.
There are a couple of things that I am not sure about based on your
photos...

   - You indicate that the LED displays are 12V. My guess is that the
   linear regulator with an adjustment resistor for brightness actually drops
   the voltage (13.6V) to the display The 4.6V is probably the logic Vcc.
   - One thing I didn't see were current limit resistors. I wonder if
   they are built into the display?
   - I am also guessing that the displays are not multiplexed just based
   on the fact that if they were multiplexed, the sequencing would probably
   need to be handled by the missing "host" since I don't see anything on the
   board to handle that. Also the fact that the 00.00 comes up and is not
   extremely bright makes me think that current/brightness control is built
   into the display and the segments/digits are not multiplexed.


I would be willing to take a look at a board and attempt a hardware
reverse engineer to generate a schematic for you. I could also take a stab
at generating a document on the driving of the unit.

  -Bill-


On Saturday, January 2, 2021 at 7:40:33 AM UTC-8 Jeffry P wrote:


Will an Arduino work? Is there alibrary that will produce these  signals?

On Thursday, December 31, 2020 at 4:19:22 PM UTC-6 Bill Stanley wrote:


Correct, these are a differential receiver to receive the serial (BCD)
information, 2x8 shift registers to convert to parallel BCD and 4 BCD to
seven segment LED drivers.

With a bit of sleuthing, the schematic can be reverse engineered,
reverse engineer the serial format and build or use a COTS CPU like Pi to
display anything you wish.
The power supply connector also probably has the serial data (look for
wires going to the AM26LS32). Somewhere there will be a connection to
inject that serial stream.


  -Bill-


On Thursday, December 31, 2020 at 1:30:17 PM UTC-8 bani wrote:


These are not standalone clock displays. They are driven by an external
controller over serial. If the controller is not integrated into the
PSU,
then you are missing the external controller module.

Personally I would just design a completely new clock using the LEDs.

-Dan

On Thu, 31 Dec 2020, Jeffry P wrote:


I purchased a clock display system from a USPS auction about 20 years

ago

and recently rediscovered it in my storeroom. There are 20 displays

and a

power supply. The displays were housed in a metal enclosure that has

a

window cutout for the LEDs. The window had a piece of red colored

film and

the LEDs were behind. When I plug the power supply in it will light

all 0's

and a decimal point (as seen in photos), but will not start keeping

time.

I'm willing to send one of these boards( at my expense) to someone

who can

help me get the thing keeping time again. I've attached a few photos

with

descriptions of chips that are on the board and voltages measured at

the

power supply connector.

Thank you, Jeffry


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Re: [neonixie-l] Old Post Office Clock

[Dan Hollis]

These are not standalone clock displays. They are driven by an external 
controller over serial. If the controller is not integrated into the PSU, 
then you are missing the external controller module.


Personally I would just design a completely new clock using the LEDs.

-Dan

On Thu, 31 Dec 2020, Jeffry P wrote:


I purchased a clock display system from a USPS auction about 20 years ago
and recently rediscovered it in my storeroom. There are 20 displays and a
power supply. The displays were housed in a metal enclosure that has a
window cutout for the LEDs.  The window had a piece of red colored film and
the LEDs were behind. When I plug the power supply in it will light all 0's
and a decimal point (as seen in photos), but will not start keeping time.
I'm willing to send one of these boards( at my expense) to someone who can
help me get the thing keeping time again.  I've attached a few photos with
descriptions of chips that are on the board and voltages measured at the
power supply connector.

Thank you, Jeffry


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Re: [neonixie-l] JP47

[Dan Hollis]

Nobody is selling tubes anywhere near as large though.

Maybe it will bring rodan CD47 prices down.

-Dan

On Thu, 24 Dec 2020, Robert wrote:


No keen on the look of this one

http://www.nixieproducer.com/index.php/digitrony-jp47

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Re: [neonixie-l] How to kill a microcontroller with one finger

[Dan Hollis]

Are you just using the reference design for AP63205WU-7 ?

-Dan

On Thu, 10 Dec 2020, newxito wrote:


I was using the datasheet schematic of the MP1584 regulator. The FB divider
for 3.3V is 124k to Vout and 40.2k to ground. The regulator works great but
now is no longer recommended for new designs anyway.
I switched to AP63203WU-7 for 3.3V and AP63205WU-7 for 5V. The design is
now cheaper and uses less components. 2A should be enough for RGB-LEDS and
peripherals.

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Re: [neonixie-l] Safe handling of tubes containing Krypton 85

[Dan Hollis]

On Mon, 26 Oct 2020, Mac Doktor wrote:

On Oct 26, 2020, at 3:05 PM, Nick Andrews  wrote:
, yet willingly spend $12,000 for fancy granite countertops for their house 
that are most likely much more radioactive.

I tested the new granite kitchen counter at my brother's house. It was only a 
few counts above background with an LND-712's alpha window resting on it.


The last granite outdoor benches I tested were 4x background. Pretty neat.

-Dan

Re: [neonixie-l] A local Nixie Site!

[Dan Hollis]

$399 is pretty crazy for a clock without tubes.

On Sat, 12 Sep 2020, martin martin wrote:


I found this one..  Some nice products and kits:
https://omnixie.com/


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Re: [neonixie-l] PCB fabricator recommendations/comparisons?

[Dan Hollis]

On Sat, 1 Aug 2020, Richard Scales wrote:

I started out with OSH Park for some small boards but moved over to JLCPCB,
that was about 30 or more boards ago. I have been completely happy with the
quality and options available. They provide several panelization options
which is great when making 'tube cell' PCB's. I know you can opt NOT to
have their numbers added to the silk screen and their interface looks very
similar to several other suppliers.


I have also switched from OSH Park to JLCPCB. Delivery is much faster, 
prices are better, and integration with EasyEDA is a plus.


-Dan

Re: Re: [neonixie-l] Mercury not all it’s cracked up to be?

[Dan Hollis]

Does the gas make any difference? What about heavier gases like Kr, Kr+I, or Xe?

https://www.youtube.com/watch?v=l3M0cY29Pq0

-Dan

On Sat, 18 Jul 2020, Kevin A. wrote:


I found an IEEE article which contains an anecdote from a Burroughs
engineer who worked on nixie R

Link:
https://spectrum.ieee.org/tech-history/dawn-of-electronics/the-nixie-tube-story-the-neon-display-tech-that-engineers-cant-quit

To quote that article:

"Roger Wolfe, a Burroughs engineer, recalled the team???s first fragile
attempt: ???We put the tube on life test overnight. When we came in the next
day, so much cathode material had sputtered onto the dome of the tube that
the numerals were no longer visible. We had invented a tube with a 24-hour
life!???

After some tinkering, Wolfe wrote, they discovered that the addition of
mercury vapor would greatly extend the tube???s life span. The sputtering had
been caused by the accelerated neon ions striking the cathode. But when the
neon ions collided with the heavier mercury molecules, their energy dropped
below the point where they could damage the cathode.

???We secured a tiny ampule with mercury sealed inside, wrapped a few turns
of resistance wire around the ampule, [and] connected the ends of the wire
to two of the [tube???s] pins,??? Wolfe wrote. The tube was then sealed, and
the team ran current through the wire, which heated and broke the ampule,
releasing the mercury."

On Sat, Jul 18, 2020, 2:15 PM Jeff Walton  wrote:


Thanks for the information, Dalibor.  Appreciate the findings with actual
supporting evidence.  It would be nice to know the actual role of the
mercury in the process and how it protects the cathodes.  Can you tell the
gas mixture in a tube with a spectrograph while the nixie is operating or
does that only show which gasses are ionizing?

I had a 6 digit clock with NL-6844A top view nixies which ran continuously
and didn't last a year before the digits became unreadable and couldn't be
healed.  I believe that these are a non-mercury style nixie tube, but I
didn't know that when I bought them.  I replaced them with slightly larger
NL-6091 tubes that have been running fine ever since (>4 years) with no
degradation or modification to the clock.

While my experience with this clock and these tubes is not scientific,
I've certainly come away with a belief that whatever role the mercury
plays, it seems to be essential to long life and cathode protection.  Not
sure why anyone would want to make a tube without mercury or other element
that helps protect the cathodes and provides long life.

Jeff


-Original Message-
From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On
Behalf Of Dalibor
Sent: Saturday, July 18, 2020 6:54 AM
To: neonixie-l
Subject: [neonixie-l] Mercury not all it???s cracked up to be?

Hi!

Paul - could you please share the source of that information? I would like
to look at it.

My experience is that Hg is absolutely necessary in nixie tubes.

Few tests I made:

1. two tubes - one with, one without Hg. Both running at 5 times rated
current on cathode 8. After few weeks, Hg free tube sputtered so much metal
that it caused internal short between 8 and anode, test ended. The Hg free
tube was heavily poisoned on unused digits, they were all practically
black. The 8 had 50% metal sputtered away.
The Hg doped tube was visually just like a new tube, no black deposit, the
8 was slightly more matte than other digits. Light  poisoning on unused
digits, quick healing reverted it all back to 100% condition.

2. Comparison of poisoning development between Hg and Hg free tubes. Two
clocks, 6 tubes with and 6 tubes without Hg, no anti-poisoning routine,
rated current. I wanted to see whether the Hg only slows down poisoning
development or it has also other impact on the tubes. After 12 months, the
Hg free tubes were all black inside, even tubes (2,4,6) had no poisoning on
cathodes, 3,5th tubes had heavy poisoning on 6-9, other digits ok. 1st tube
had cathodes 0,1,2 thinner, 1 being half eaten away. Other digits heavily
poisoned.
The Hg doped tubes had poisoned 1st tube (3-9 digits), odd tubes had
slight poisoning on 6,8,9.
What is interesting - the poisoning patterns (location of the poisoned
segments) were different between Hg free and Hg tubes - this suggests some
other differences happening inside - I???ve set up more tests that are being
run right now.

My conclusion is that a Hg free tubes are difficult to keep without
poisoning and also recovery from poisoning at rated current is usually not
possible.

I have photos and more tests - will post next week..

Regards!

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Re: [neonixie-l] audiophiles are crazy...

[Dan Hollis]

I can do it for him for $10,000. And I'm sure he would pay, believing it 
to be true.


-Dan

On Wed, 29 May 2019, lokna...@gmail.com wrote:


For the best sound it can not be just any solderit must be a 100% special 
silver alloy. 藍

Sent from my iPhone


On May 29, 2019, at 08:14, Bill van Dijk  wrote:

But he is offering FREE shipping...!

It is a special bunch. I just read a post from one bloke who swears he has
found the best sounding are you ready for it?. Solder. He
was looking for advice how to remove all the bad solder from his amp so he
could install his new solder. Good grief

-Original Message-
From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On
Behalf Of Dan Hollis
Sent: Tuesday, May 28, 2019 1:56 PM
To: neonixie-l 
Subject: [neonixie-l] audiophiles are crazy...

https://www.ebay.com/itm/Audio-tube-VT-62-8019-4304-HIGH-QUALITY-AUDIOPHILE-
POWER-TUBE-2-pcs/293018722398

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[neonixie-l] audiophiles are crazy...

[Dan Hollis]

https://www.ebay.com/itm/Audio-tube-VT-62-8019-4304-HIGH-QUALITY-AUDIOPHILE-POWER-TUBE-2-pcs/293018722398

[neonixie-l] Nixies in 2001

[Dan Hollis]

Was showing a friend the movie 2001 for the first time, and noticed nixies in 
one shot:

http://3.bp.blogspot.com/-0X7Adbhg1DA/UFCJSxQZugI/A04/HSOQwLM5vIo/s1600/nixie+2001.jpg

-Dan

Re: [neonixie-l] Silver coating on inside of glass

[Dan Hollis]

Is this different from the usual getter spots?

-Dan

On Wed, 10 Apr 2019, alex nolan wrote:


Hey all,

Has anyone seen a tube with the inner glass covered in silver spots inside
the tube? What does this mean and is it repairable like cathode poisoning?

Thanks!

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Re: Re: [neonixie-l] Re: TESTED 4 Nixie Tubes Burroughs B-7971 3½" tall 14-segment character

[Dan Hollis]

TBH i'd rather dalibor do rodan clones :)

-Dan

On Wed, 27 Mar 2019, Kevin A. wrote:


Exactly. This is blatant price fixing. If only someone started making new
7971s like Dalibor and started selling them at a reasonable enough price...

On Wed, Mar 27, 2019, 12:36 PM Jeff Walton  wrote:


Note that the auction from the newest seller is using the same photos and
has the same bidders in common...

On Tuesday, March 26, 2019 at 9:25:52 AM UTC-5, Pramanicin wrote:


Things are going a little crazy??? 4 B7971???s just sold for over $250
eachthere???s another auction for two tubes with prices over 180 each
currently..


Look at this on eBay
TESTED 4 Nixie Tubes Burroughs B-7971 3??" tall 14-segment character




Sent from my iPhone


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Re: [neonixie-l] ZIN18

[Dan Hollis]

Yep, these IN-18 are way too expenive, especially since they are still 
widely available.


For only a couple hundred more you can get giant dalibor 568 tubes.

-Dan

On Fri, 8 Feb 2019, Jeff Walton wrote:


Interesting to look at the Millclock videos.?? Very strikingly similar to 
Dalibor's process and techniques.There may be room for an IN-18 type tube 
to come to market but the pin configuration is very different and the base is 
excessively tall.Dalibor matched the Z568 pinout so that existing designs 
could use either.?? His price is more in line with what a Z568 should sell 
for.?? The ZIN18 is almost twice the going rate for an IN-18.It's taken 
Dalibor about 5 years to master the QC issues and he is very transparent about 
the obstacles that he has overcome.?? I wonder how the Millclock startup will 
deal with the same physics.Having said that, I hope that we can see new 
nixie production at a good price point.??Jeff??
 Original message From: jb-electronics  Date: 2/8/19  10:52 PM  (GMT-06:00) To: neonixie-l@googlegroups.com 
Subject: Re: [neonixie-l] I honestly think that the pricing on Dalibor's Nixie tubes is more than fair. Six hours of manual labour per tube, on average. JensOn 
2019-02-08 9:50 p.m., Thomas Kummer wrote:> It???d be nice to see some healthy competition on new nixies. While Dalibors are nice the price tag is what has 
kept me from buying them.>> Sent from my iPhone>>> On Feb 8, 2019, at 22:36, Nicholas Stock  wrote: 
ZIN18 - the new Nixie Tube & clocks https://www.kickstarter.com/projects/1989465642/zin18-the-new-nixie-tube-and-clocks Saw 
this.hmm... Sent from my iPhone

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Re: [neonixie-l] Re: Repair / Troubleshoot an IN-18 Blue Dream

[Dan Hollis]

Not sure how rural you are, but you might look for makerspaces in japan 
and take a visit to the closest one. Someone there should be able to help 
you if they have electronics soldering stations.


-Dan

On Thu, 13 Dec 2018, Paul Atkin wrote:


Hi Nick, thanks for the welcome.  I had a maiI from Pramacin and I also
sent a mail direct to Dieter.  He has replied so I will share what I have
learned so far in case it can be of use to anyone else.
First point is that my clock had run flawlessly on the same power supply
for 6 years.  I run it at selected hours on a 7 day timer, around 40 hours
per week (so about 12,000 hours running in total with 5 of the original
tubes - had one with a gas leak that I replaced about 2 years ago).
I sent a mail to Dieter and he was very helpful to diagnose the possible
issue within 36 hours.  He gave me some points to test the voltages as per
the red text on the attached image. Based on the results I got he strongly
believes it is IC03 on the PCB (yellow circle) which is a UCC38084 current
mode controller in an SO-8 SMD package .  It can be replaced with a
UCC38084D, UCC38084DR or a UCC38084DG4.
It was likely taken out by the 12V power supply which I found was dead so I
am guessing that when it died, it sent a spike into the clock.
Unfortunately, he is not prepared to make a repair on the board and I as am
in rural Japan so I'd need to ship it somewhere in any case.  I don't think
I'll be able to find anyone locally that will do the job.
I have some soldering experience but have never tried reworking SMD chips.
If I was going to attempt this I would need a hot air station but I don't
do enough to warrant buying anything fancy.  So I am thinking to take my
time and try to learn a new skill.  I saw a report from Dave at EEVblog who
rates the simple 858D rework station good value and seems to work well
enough for small jobs.
https://www.youtube.com/watch?v=vva2t21sOAs
If anyone knows of another cheap unit I'd love to hear - I really don't
want to spend much at this time.
I have a few old boards laying around that I could hone my skills on before
attempting a hack at the Blue Dream.  If I find it too challenging, I might
contact here again [image: ]

If I manage to get this running again, I am going to use the best quality
12V supply and a shitload of capacitors!!

Paul


On Wednesday, December 12, 2018 at 7:03:45 PM UTC+9, Paul Atkin wrote:


Hi All,
I have an IN-18 Blue Dream that has run happily for 6 years in a dust free
display case.  During that time, I had just one tube go bad with an
apparent gas leak.

I have been operating it on a timer so it only powers on every evening
which has also worked fine.

Just a few days ago, the tubes didn't light up when expected.  I powered
it up on a second 12V supply (confirmed working) but no joy.  The LED's
light up, but on initial inspection it seems I have lost the internal
170VDC power.  I am not a specialist and have no schematic so I was
wondering if anyone has skills or knowledge to help me troubleshoot this.

Thanks in advance

Paul



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Re: [neonixie-l] For Sale: Legendary Jeff Thomas NixieSat Z5680 Clock.

[Dan Hollis]

On Wed, 29 Aug 2018, Johan wrote:

*The **giant Z5680M Nixie Tubes were manufactured in Germany by RFT and are
the largest Nixies ever made. Over 10cm/4" digits.*


Bigger than the Rodan? I doubt it.

-Dan

Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Dan Hollis]

On Mon, 27 Feb 2017, Dalibor wrote:
I cant wait to get to realization of similar beast to CD47. Rough shapes - 
similar height as CD47, a bit bigger diameter (right shape of digits), 
metal base, long life span, price estimated around $300. The goal is to 
make large tube, as affordable as possible, for regular use.
Our tubes will not have the historical value (immediately), but will be 
available, affordable (compared to original cd47) and will come with 
warranty.


Dalibor


Dalibor,

Any news on your CD47 clones? :)

-Dan

[neonixie-l] nixie pin straightener on ebay

[Dan Hollis]

https://www.ebay.com/itm/Nixie-Tube-Pin-Straightener-for-IN-18-Z5660M-IN-8-GN-4-NL-840-ZM1042-tubes/332737119847

Seems like a really, really risky device to use. In my experience any 
flexing of the pins is extreme risk of breaking the seal and destroying 
your nixie permanently.


If you need to straighten pins, better to use a pair of needle nose 
pliers.


-Dab

Re: [neonixie-l] Re: These don't come up very often...

[Dan Hollis]

Dalibor's nixies are nearly the same size (50mm symbol height vs NL7037 51mm) 
and 1/2 the price...

-Dan

On Wed, 8 Aug 2018, Paul Andrews wrote:


It???s like waiting for a bus. You wait for ever for one to come along, then a 
whole bunch come along at once. This is the third listing for NL7037 in the 
last few months.

Greg, these are much bigger than IN-18 tubes. My favorite large Nixie.

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Re: [neonixie-l] PCB fabricator recommendations/comparisons?

[Dan Hollis]

discrete 1206 components are super easy, but 1206 resistor networks are not.

-Dan

On Tue, 12 Jun 2018, gregebert wrote:


pcbway does offer assembly service, but I've never used it. I think their
minimum charge was 75 USD.

How many boards are you planning to build ? It's pretty easy to hand-solder
1206 components with a pair of tweezers.

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Re: [neonixie-l] PCB fabricator recommendations/comparisons?

[Dan Hollis]

Are there any PCB fabs who will do component placement for reasonable 
price?


Just having 1206 resistor networks placed on my boards would save me a lot 
of time...


-Dan

On Tue, 12 Jun 2018, gregebert wrote:


I just got my first set of boards back from pcbway.com, and their quality
for 2-layer boards is comparable to other suppliers I've used in the past.
The online calculator for fab and shipping is very handy, and their website
has more details about their capabilities than other places I've used.

Their response time and online fab-status is the best I've seen from any
other vendor I've used. When I submitted my board, I mistakenly included an
extra layer and they replied back within a few minutes. After making
payment, I could see progress on their website updated every few hours.
They display %complete rather than specific task, and it took just under 3
days for normal processing, and it took just under 2 weeks til I had my
boards (I went cheap on the shipping). Cost is also very competitive.

I have 10mil minimum-features (0.25mm), and their standard process is
6mils, so this wasn't pushing their capabilities. All traces look sharp,
and the solder-mask is accurate.

Since I'm working on a 2-board set, and they did a good job, I'll be
sending them my other board as well.

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Re: [neonixie-l] 26 In18 Tubes

[Dan Hollis]

The offer to try them in my in-18 clock in redmond still stands. I am 
pretty sure that would be a definitive test.


-Dan

On Fri, 27 Apr 2018, Jeff Aylesworth wrote:


If end up not being able to prove one way or another if the tubes are good.
Is there a market for them as is? I know one work for certain.

Jeff

On Thursday, April 5, 2018 at 9:32:55 AM UTC-7, Jeff Aylesworth wrote:


Too funny!

On Tuesday, April 3, 2018 at 10:56:04 AM UTC-7, Paul Andrews wrote:


Well. You have an excuse to enter a Spencer's now - purveyor of fine
gifts for the discriminating...

On Tuesday, April 3, 2018 at 12:36:43 PM UTC-4, Jeff Aylesworth wrote:


Nice! That's pretty close. Maybe we can meet up and see if I have a case
of duds or not.

Hoping I can find a someone nearby with a plasma globe to try that test
first.

Thanks!
Jeff

On Monday, April 2, 2018 at 3:09:32 PM UTC-7, bani wrote:


I am in redmond and I have an IN-18 clock, as well as lots of spare
IN-18
tubes.

-Dan

On Mon, 2 Apr 2018, Jeff Aylesworth wrote:


Hi,
Thanks for adding me to the group.

I picked up a case of IN18 tubes at a garage sale in my area. I

assembled

the Nixie Tester Kit as sold by Marcin Saj to test them, but can only

get

one of 26 to work. His support in trying to see if my tubes were good

has

been nothing short of amazing.

The tubes all appear to be new and unused and are pristine on the

inside

and in the original carton. Which I why I struggle with the fact that

none

of them seem work (save for 1).

I am looking for someone in the Seattle area that has an IN18 clock

or

device and more electrical experience than to see if the tubes are

any good.


Thanks!
Jeff

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Re: [neonixie-l] PCB fabricator recommendations/comparisons?

[Dan Hollis]

I use jlcpcb. 4 days from china to seattle. Extremely low cost boards, and 
if you use their partner lcsc.com you get incredibly cheap components too.


-Dan

On Mon, 23 Apr 2018, 'Grahame' via neonixie-l wrote:


Hi

Yet another alternative! I have been using Gojgo in China and OSHPARK.

http://www.gojgo.com/store/pcb/pcb-quote.html

OSHPARK seem to beat everyone with low quantity, small boards. By the time 
you get up to above about 50mm x 50mm I find other manufacturers like Gojgo 
and ones mentioned by others get cheaper.


Gojgo was recommended to me by a friend in the USA who runs an electronics 
design and assembly company (he has his own SMT assembly lines located in the 
USA) and uses Gojgo for his products. I can say that their board quality, 
silkscreen, SS stencils are all very good. They mill odd shapes and slots can 
be plated if you tell them so. Standard turn round is fast and the longest 
step always seems to be the shipping. For large orders, I tend to wait until 
I have several boards ready to minimise the shipping overhead per board and 
the fixed part of the UK import duty fee. They've made 1, 2 and 4 layer 
boards for me. They do place their own ident in the silkscreen annoying as it 
is. The only limitation I have found is that they don't do a matt black 
solder mask. But $17 for an aluminium framed SS stencil I find is an amazing 
price.


Hope this helps
Grahame

On 21 Apr 2018, at 13:35, Paul Andrews > wrote:


Hi,

I've been using OSHPark to have my designs made up, and they are great, 
but I figure I should try a few other manufacturers and recently went to 
look at pcbway. So I am wondering if anyone has experience of OSHPark and 
any other manufacturer (but particularly PCBWay), and could give me some 
idea of what to Watch out for when trying to move from OSHParknto someone 
else.





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Re: [neonixie-l] Re: 26 In18 Tubes

[Dan Hollis]

Corrosion isn't necessarily a problem. Though it indicates they may have 
been stored outside where extreme thermal cycling over time might have 
caused the pins to lose seal.


I have had a few tubes die due to stress on the pins from repeated 
insertions.


-Dan

On Mon, 2 Apr 2018, Jeff Aylesworth wrote:


I don' know the history on them at all, I rescued them from a garage sale
in my neighborhood. The pins do seem to have a little corrosion in some
cases and in some cases they are not true and perfectly straight. I am
going to try and track down a plasma globe to see if I can see any signs of
life and go from there.

Thanks for the replies!

Jeff

On Monday, April 2, 2018 at 9:41:58 AM UTC-7, Jeff Aylesworth wrote:


Hi,
Thanks for adding me to the group.

I picked up a case of IN18 tubes at a garage sale in my area. I assembled
the Nixie Tester Kit as sold by Marcin Saj to test them, but can only get
one of 26 to work. His support in trying to see if my tubes were good has
been nothing short of amazing.

The tubes all appear to be new and unused and are pristine on the inside
and in the original carton. Which I why I struggle with the fact that none
of them seem work (save for 1).

I am looking for someone in the Seattle area that has an IN18 clock or
device and more electrical experience than to see if the tubes are any good.

Thanks!
Jeff



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Re: [neonixie-l] 26 In18 Tubes

[Dan Hollis]

I am in redmond and I have an IN-18 clock, as well as lots of spare IN-18 
tubes.


-Dan

On Mon, 2 Apr 2018, Jeff Aylesworth wrote:


Hi,
Thanks for adding me to the group.

I picked up a case of IN18 tubes at a garage sale in my area. I assembled
the Nixie Tester Kit as sold by Marcin Saj to test them, but can only get
one of 26 to work. His support in trying to see if my tubes were good has
been nothing short of amazing.

The tubes all appear to be new and unused and are pristine on the inside
and in the original carton. Which I why I struggle with the fact that none
of them seem work (save for 1).

I am looking for someone in the Seattle area that has an IN18 clock or
device and more electrical experience than to see if the tubes are any good.

Thanks!
Jeff

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Re: [neonixie-l] 'Omnixie' Smart Wifi Nixie Clock released

[Dan Hollis]

How about version without the wood? I prefer sapele, maple or walnut. I 
can cut my own with CNC.


-Dan

On Thu, 15 Mar 2018, ~\ wrote:


I'm design the housing now, thickness of wooden frame might be 8mm,
hopefully I can bring the prototype to Maker Faire 2018 at Bay Area, CA on
May ;)

??? 2018???3???15 UTC+8??9:45:54???Greg P?


When might we see the larger tube versions available?




On Thursday, March 15, 2018 at 9:19:28 AM UTC-4, ? wrote:


Hi Dan, I'm going to make another version compatible with ZM1040, Z566M
and IN-18 tubes, same functions.

Yan.

??? 2018???3???15 UTC+8??2:47:35???bani?


On Tue, 13 Mar 2018, ???~\ wrote:

Six years have past since my last Nixie Clock released, today I

finished my

new Nixie project 'Omnixie', a smart Wifi Nixie Clock.


Missing IN-18 support. This makes me sad.

-Dan





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Re: [neonixie-l] 'Omnixie' Smart Wifi Nixie Clock released

[Dan Hollis]

On Tue, 13 Mar 2018, ~\ wrote:

Six years have past since my last Nixie Clock released, today I finished my
new Nixie project 'Omnixie', a smart Wifi Nixie Clock.


Missing IN-18 support. This makes me sad.

-Dan

Re: [neonixie-l] Re: MCU religious wars (OT?)

[Dan Hollis]

On Thu, 25 Jan 2018, Joe Croft wrote:

Personally, I like the AVR MCU's though I am slowly starting to grow out of
them. The Arduino libraries are convenient but many of them have sloppy
poorly documented code.


Sloppy poorly documented code is no different than most other open source 
projects. Arduino is not an outlier or special case.


-Dan

Re: [neonixie-l] MCU religious wars (OT?)

[Dan Hollis]

People who hate arduino should never, ever look at hackaday.com - they 
will be seething with rage at all the little people beneath them daring 
to tinker with all sorts of stuff they obviously know nothing about. And 
doing it with aruinos and libraries! The horror!


-Dan

On Wed, 24 Jan 2018, Tomasz Kowalczyk wrote:


I think the hate on Arduino comes from people, who started programming
microcontrollers twenty or so years ago, learned how to program one chip
and failed to move on to new world, in which efficiency of the code and
exact knowledge of what is happening in the hardware is no longer
essential. I often see posts on Polish forums claiming that one should
write the code in straight C, writing directly to registers, with a 1000+
pages datasheet in his hand, because otherwise one won't really know what
his code is doing.

Me? I personally started my experience with MCUs with Arduino and I'm happy
about it. I know it is very limited (at least Atmega328p based ones) and
that's why I'm currently learning to use STM32s, but I like the simplicity
of Arduino - writing a simple program cannot be simplier than that.  I
think that if I had to start with anything harder than Arduino, I wouldn't
be encouraged to learn embedded programming.
Libraries are always useful. I can't imagine writing the code needed to use
USB on STM32 or Wi-Fi on ESP8266 by myself. I usually end up reading chunks
of the code, but still it is *WAY* better than writing it by myself - by
reading it I still learn how it is done, but at the same time I have some
fully functional code.

So, Arduino (as boards, IDE and libraries) does great job as introduction
level MCU for people, who barely know anything about MCUs, but want to push
themselves further into the wonderful world of electronics. This is
something that was very needed and people who created Arduino hit exactly
in the niche.

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Re: [neonixie-l] MCU religious wars (OT?)

[Dan Hollis]

So I think your real problem has absolutely zero to do with arduino or 
microcontrollers.


Also interesting you criticize people for wasting your time. People use 
libraries to save time. There's little point in poring over 15,000 pages 
of chinese datasheets just to get a display to light if someone has done 
it already.


If your time is so valuable as you so frequently emphasize, then you 
shouldn't criticize people for trying to save their own time.


-Dan

On Wed, 24 Jan 2018, John Smout wrote:


A high proportion of the people who have wanted to rape my time and (very 
limited) ability electronic-wise are artists and designers. Which saddens me 
because I consider myself first and foremost a visual arty type person. At any 
rate it???s how I have always earned my living until I retired last year. If 
you want to struggle in life and starve at times any kind of artistic design 
career is a good way to go.

I have tended in recent years to say to these people, who usually have seen 
something of mine that they want to incorporate into something of theirs and 
which will involve a redesign of some kind and a new PCB: ???OK let???s do it, 
but let's make two prototypes, one for you to keep and one for me. No money 
changes hands. I???ll do the circuitry if you will make and give me one of 
whatever it is that you are making.???

The above angle, which seem perfectly reasonable to me, got me total outrage 
from a couple of different people - how dare I say my trivial work is as 
important as their great artistic vision? Don???t I know what precious 
brainpower has gone into their wonderful oevres? Which of course they cannot do 
unless someone makes their idea actually work for them. Well I have a backlog 
of my own ideas to bring to fruition, and while I am doing those I get other 
ideas, so why do I want to spend the rest of my life with these people?

On the other end of the spectrum, I have had to stop helping schoolchildren who 
want to use something of mine in a project. I have a real soft spot for helping 
children, but the amount of blown chips and free replacements I???ve sent out, 
together with giving them warnings about static and overheating, has totally 
fallen on deaf ears. This is a real pity and I wish I could do more, but again 
it is down to available time. It would be quicker to do the kids??? projects 
for them, but that is not what education is about and we encourage the same 
???Want it all now and done for me??? gratification syndrome if we send kids a 
working module.

Having a great idea is the first step, not the last. If there is a vision then the person 
having it should do whatever he or she needs to do to make it happen, including learning 
how to do it if they want to say it is their own work. A lot of not-very-good-ideas would 
be weeded out at this stage. "Is the result really worth the personal effort?" 
is a question that rapidly arises if one relies on one???s own resources?

John S

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Re: [neonixie-l] MCU religious wars (OT?)

[Dan Hollis]

This has always been the case since the beginning of time and arduino 
changes nothing.


-Dan

On Wed, 24 Jan 2018, jb-electronics wrote:

I also get a lot of emails from people inquiring qhether I can build 
something for them. Only in a few cases there is someone who tried to 
understand the schematic and has a specific problem. Most of the times the 
inquiries are of the form "Hey that is cool. I want something like that, but 
with these specific modifications. Can you build this and that for me?"


While I appreciate the positive feedback, and even more appreciate the fact 
that electronics is still considered "cool", here is what worries me: we live 
in a society where everything has to be available at all times. Instant 
gratification. But this is not how science works. Goalposts have to be set, 
and then you have to spend some time to reach them. And it will be a piece of 
work. But when you get there, it is all worth it. Other goalposts you will 
never reach, and that is fine, too.


I just have a problem with this "science is cool" mentality, because it is 
often understood as "science is easy." Electronics kits with everything 
pre-installed, in my opinion, should therefore be used with care.


Cheers
Jens

On 1/24/2018 2:45 AM, John Smout wrote:

On 24 Jan 2018, at 00:23, Dan Hollis <parkxz9aw...@anime.net> wrote:

Why is it perfectly ok for people to use libc, ncurses, pthread, pcre, 
opengl, etc on linux but using an i2c library on arduino is somehow 
verboten?
I don’t think it is forbidden at all, but it is my observation that the 
bulk of enquiries I get through my website are from empty vessels making 
the loudest noise. Empty because they don’t have any personal knowledge 
of their own. They don’t feel they have the time or inclination to learn 
either, but are quite happy to get me to waste my time on their behalf if 
at all possible. Whatever happened to the sheer joy of getting a blinky 
light to flash by one’s own efforts?


I am sure there are millions of people happy to code up and document their 
projects and annotate their libraries for the benefit of others and I am 
sure many people are grateful to take and use what they can from them. All 
is well in heaven and the gods can rest easy. I have no problem myself in 
sharing or being generous.


Maybe I have been unlucky in my experience, but often when I help someone 
whom I do not know it turns sour on me. As far as they are concerned I can 
gratify their needs but rarely does anyone consider how it might impinge on 
my available time and if I don’t give continued support to their projects 
people have turned ugly and rude very quickly. The level of this is in 
inverse proportion to people’s ability to help themselves. I fear that a 
grab-it-off the-shelf-ready-made culture only encourages this attitude.


John S



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Re: [neonixie-l] MCU religious wars (OT?)

[Dan Hollis]

Why is it perfectly ok for people to use libc, ncurses, pthread, pcre, 
opengl, etc on linux but using an i2c library on arduino is somehow 
verboten?


As I stated before, this is the exact same derangement infecting many 
in the amateur radio hobby. It turns off a lot of people wanting to get 
into radio.


We should be welcoming people to the hobby, especially for the small 
subset interested in obsolete display technology.


"pity about the arduino"?

We don't need this elitism and exclusionary attitude.

We should be happy people are taking interest in the hobby at all.

-Dan

On Tue, 23 Jan 2018, Paul Andrews wrote:


It seems that people have very strong opinions about what MCU (is there a
better term?) they like to use in projects. In particular there are some
strong feelings against the Arduino and the use of libraries. So maybe we
can air our opinions in this thread (in a civil manner! No personal attacks
please, and bear in mind that language can be tricky to interpret at times,
especially if English is not a first language - mods, feel free to close
this down if you think it is open to abuse or not appropriate for this
group).

My own feeling is that libraries are one of the strong suits of a platform
like the arduino - they allow me to focus on what I am trying to achieve,
rather than having to re-invent the wheel (though, obviously, there is
nothing stopping me re-inventing the wheel if I feel the need!). I am a
professional software developer who has written code at all levels - OS
code, libraries, compilers, assemblers, embedded systems, device drivers,
distributed systems, enterprise systems, databases, network protocols,
GUIs, web sites and even applications (though that isn't my strong suit!)
There are probably some areas that I haven't touched. I enjoy it all, but
life is too short to constantly write this stuff, and those who do so full
time generally do a better job of it.

As far as Arduinos go - they are cheap and easy to program and I use them a
lot for prototyping (actually I use the tiny WeMos D1 mini pros now). I
even have one clock that is an Arduino shield, though you wouldn't know it
- its form factor is not that of your average shield. As a testament to its
flexibility, this allowed me to easily extend both the software and the
hardware to better suit what I wanted.

And yes, I have moved on to other hardware, but I still use all those
Arduino libraries.

Surface mounting seems to be another contentious topic. It seems that I
have embraced it whole-heartedly, though I started down that route because
the interesting chips I wanted to use where all surface mount.
Aesthetically I think through-hole components suit Nixie tubes better, and
I like to see the circuitry exposed, though that is also a preference that
I know some others very much disagree with.

Truth is, I want to use it all!

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RE: [neonixie-l] Re: mason jar numitrons

[Dan Hollis]

This is the same elitist attitude that continually hurts amateur radio. 
All the old pharts offended by SDR and digital. Not to mention the 
seething rage when the FCC dropped the requirement for morse code.


We should be accomodating to newbies in the hobby, not trying to drum them 
out with better than thou nonsense.


-Dan

On Tue, 23 Jan 2018, Bill van Dijk wrote:





I realize the Arduino makes an easy target, but why the hate?




Ah, I???ll go out on a limb (BTW, ???hate??? is probably a bit strong), but 
from my perspective it???s an old phart thing. The Arduino is so hyped up, it 
reminds me of Harley Davidson motorcycle owners. They seem to think theirs is 
the only one, the best, nearing cult status. On FleaBay they even advertise 
things like capacitors as ???for Arduino??? just to get the hits. Yes, I???m an 
old phart, and I still like to do things the hard way. To me, building a 
project is, or at least should be, more than plugging in shields and loading 
prepared libraries. I like to understand what I build, and put it all together 
myself. I still use assembly language for smaller projects. Since the nixie 
community is very much about old technology I assume there are probably a few 
more who feel that way.



But each to his / her own??..



Bill van Dijk



From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On 
Behalf Of Dylan Distasio
Sent: Tuesday, January 23, 2018 12:28 PM
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: mason jar numitrons



I realize the Arduino makes an easy target, but why the hate?



On Tue, Jan 23, 2018 at 12:13 PM, Mike Harrison  > wrote:



very nice but pity about the Arduino.



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Re: [neonixie-l] Re: OT: Eagle is now subscription-based

[Dan Hollis]

The reason people are angry is that immediately after the acquisition they 
repeatedly assured everyone they wouldn't change the licensing model and 
that nothing about eagle would change, that everything would remain 
exactly the same.


Then a few months later they did exactly that. And didn't apologize for 
lying.


-Dan

On Mon, 20 Nov 2017, 'Dave' via neonixie-l wrote:


Wow... guess I need to dig into the impact of this and NOT update my
current EAGLE version!

On Sunday, August 13, 2017 at 9:21:24 AM UTC-4, Nick wrote:


As all Eagle users will know, Eagle was acquired from Premier Farnell at
the start of the year and Eagle 8, the new version, has a completely
different licensing model - it's now subscription based, starting at USD
15/pcm for the "standard" version and going up to USD 65/pcm for the
"professional" ones.

I'm a long-time Eagle user, probably for more than 15 years, so have a lot
invested in it in terms of libraries and existing designs.

However, I can stake USD 100/pa (the annual up-front cost of the USD
15/pcm option). but you need to be connected to the internet every couple
of weeks for your Eagle license to stay active. If it expires, I'm told
that you can still generate Gerbers from your old designs and even export
in the old V7 format using the free version - our old licenses and software
will keep working.

What have Eagle folk here done about this - just wondering... It annoys me
slightly, but I guess the previous licensing model was not paying the bills
and Autocad are promising great things...

Thoughts?

Nick



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Re: [neonixie-l] Re: all my Nixie tubes are dying :(

[Dan Hollis]

On Tue, 3 Oct 2017, gregebert wrote:

If all of the numerals in a specific tube are failing, I can think of 2
causes. #1 would be a leak. Check for cracks around the pin base. Are the
tubes snug/difficult to insert/remove from the socket ? If so, there could
be pin-stress that's breaking the glass-seal.


The only tube failure i've had was from broken seal when I used to rotate 
tubes, due to stress on pins. I don't rotate them any more.


I was thinking of making an IN-18 adapter board so I can rotate the tubes 
without stressing the tube pins.


-Dan

Re: [neonixie-l] Re: all my Nixie tubes are dying :(

[Dan Hollis]

On Tue, 3 Oct 2017, Paul Andrews wrote:

Make sure your wall wart is pumping out a steady voltage close to that required 
- you would need an oscilloscope. I have heard that this can be a problem for 
these clocks.

I???m also not a big fan of running tubes near the bottom range of their 
current specs. It seems to lead to more cathode poisoning. There are various 
threads where this has been discussed in great detail - with evidence.

Apologies if this all sounds like hearsay, but it is based on the conclusions 
of similar threads.


Is the way the tubes are being driven possibly a factor?

I have a tubehobby kit and my IN-18 have been constantly running for 
almost a decade and the digits still look basically brand new.


It multiplexes them at a relatively low frequency so there's an audible 
whine from the tubes, the only downside to the kit.


-Dan

Re: [neonixie-l] 4x CD47 / GR-414 - Ultra Rare Nixie Tubes

[Dan Hollis]

I'll wait for dalibor to make some :)

-Dan

On Wed, 27 Sep 2017, Nicholas Stock wrote:


Anyone want to take bets on what these sell for??? :-)


Look at this on eBay
4x CD47 / GR-414 - Ultra Rare Nixie Tubes



Sent from my iPhone

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Re: [neonixie-l] Re: CD47 on ebay

[Dan Hollis]

Dalibor needs to make a CD47 equivalent tube :)

-Dan

On Fri, 25 Aug 2017, gregebert wrote:


Poof! It's already gone. Sold for more than 1400 USD.

Even if I won a lottery, I dont see a 6-tube clock with CD47's in my future.




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Re: [neonixie-l] Re: Horizontal mesh nixies

[Dan Hollis]

Anyone know if there are any negative performance issues to a horizontal 
mesh, or as in the case of Burroughs b7032 which has no mesh at all?


-Dan

On Thu, 8 Jun 2017, Tomasz Kowalczyk wrote:


CD66A seems to come with both rectangular and horizontal meshes. I just
received 6 used CD66A (bad condition, only one has the marking partially
readable, some have remains of red filter, 2 out of 6 are dead) and I'm
googling for more information on those and many photos show back of tube
with CD66A and front with rectangular mesh.
http://www.jb-electronics.de/html/elektronik/nixies/n_sammlung_c.htm
JB shows the rectangular mesh version and mentions it is identical to ZM1242
http://www.tube-tester.com/sites/nixie/dat_arch/NEC_catalog_02.pdf
Datasheet from Dieters page shows a CD66(A) with horizontal mesh.

Looking at more pages you can get even more confused. It really seems like
few different productions from NEC were labelled as CD66 or CD66A.


W dniu pi??tek, 2 czerwca 2017 12:13:25 UTC+2 u??ytkownik Alic napisa??:


The nixies with horizontal mesh are quite popular. I like them a lot!
First I thought that there was only the CD66, but then I discovered the
ZM1210, ZM1177 and CD64.
But there must be more. Which nixies am I missing?


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

[Dan Hollis]

Never ever ever ever ever ever ever ever let ebay handle anything you can 
handle yourself!


They will always make a disaster of it!

-Dan

On Mon, 15 May 2017, Oscilloclock wrote:


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" ...

--
Dear X (the seller)

My name is Nick. Thank you for contacting eBay???s Global Shipping Programme 
department.  I understand you require more information for item #272653050020.

Your sale of item #272653050020 through the Global Shipping Programme couldn't 
be delivered because the shipment contained items that were found to be 
restricted from transport.

If an item arrives to our shipping hub and the item is restricted from international 
carriage, our hub will not proceed with the shipment and will safely dispose of the 
item. This is process is subject to dangerous goods only.  In this instance the item 
contains amp tube(s) possibly manufactured pre-70s. In that era most lamps & tubes 
had mercury reflectors. In the absence of clear data ruling out the risk, your item has 
been rated UN3506, Mercury contained in manufactured article. Class 8, Corrosive & 
Toxic. Restricted to all countries on our system

By choosing to ship your item with the Global Shipping Programme, you agree to 
certain terms and conditions of the programme, one of which is that when an 
oversized item is received at the shipping hub, it is liquidated and the buyer 
is refunded by eBay. No money will be or has been taken from your account.

I am sorry we have not been able to forward your item. We thank you for all of 
your eBay business and hope that this information has been helpful.Kind Regards,
eBay Global Shipping Team

[THREAD ID: 1-1GP2FBSY]

Sent from my iPhone
Reply

Brimar cathode ray tube


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Re: [neonixie-l] IN18 Blue Dream out-of-production until 2019

[Dan Hollis]

sounds like an opportunity for a competitor to step in and dominate the 
market.


-Dan

On Wed, 22 Mar 2017, Piano Forte wrote:


RE:IN18 Blue Dream out-of-production until 2019

I reached out to Dieter and Claus, and Claus advised that the IN18 Blue
Dream (PCB & Kit) is out of production until 2019 (!) - any background on
this development?, its a pity since I was about to order a second BD - I
should have ordered a second one last year.when I first had the
inclination.

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Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Dan Hollis]

Wow! I can't wait to see these!

I don't care at all about historical value. I just want big nice looking tubes! 
:)

-Dan

On Mon, 27 Feb 2017, Dalibor wrote:


I cant wait to get to realization of similar beast to CD47. Rough shapes - 
similar height as CD47, a bit bigger diameter (right shape of digits), metal 
base, long life span, price estimated around $300. The goal is to make large 
tube, as affordable as possible, for regular use.
Our tubes will not have the historical value (immediately), but will be 
available, affordable (compared to original cd47) and will come with warranty.

Dalibor

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Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Dan Hollis]

i buy and build nixies because they make nice looking clocks. i don't buy 
them for historical or collectors value and don't care at all about that 
aspect.


i'd buy rodan-size dalibor tubes no problem.

-Dan

On Thu, 23 Feb 2017, Instrument Resources of America wrote:

Even if Dalibor can and would make IDENTICAL tubes, (and I'm quite sure that 
with his skills he could), they would NOT carry the same historical, or 
collector value as these originals.  Ira.



On 2/23/2017 8:20 AM, Trumpeter wrote:
I am a proponent of the free market and one should sell something for 
whatever someone else is willing to pay. That said, I am doubtful he will 
get over $2000 for these tubes, not with fellows like Dalibor making them 
in new production.


$50 for an IN18 is one thing but $2000 for one tube is nuts.



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Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Dan Hollis]

I'd love to see dalibor make a rodan-size (or larger!) nixie.

I'd pay for those.

-Dan

On Thu, 23 Feb 2017, Luka C wrote:


I pretty much enjoy "collecting" different types of Nixie tubes and
sometimes spend like 100$ or 150$ per tube, but paying ~2500 euros for a
Nixie tube is just ridiculous in my honest opinion. I mean, if such amount
is something you earn easily and you really feel like you "just have to
have one or more", then I can kinda understand it, but if you have to to
really spare for quite some times to buy these, you should think about how
many other things or experiences there are that you could enjoy and enrich
your life with...at least here in Europe, you can buy a brand new car or
take a really exotic trip somewhere you'd always wanted to go to. I look at
this the same way as with people spending tons of money on some rare
Elvis's clothes or similar "collectibles" and wonder do they still feel it
was worth it after all the years they own those. Besides, I doubt you can
be sure these tubes are NOS or that they have been properly stored for all
those years, so you could be buying something that might malfunction in a
few years due to gas leaking caused by broken air-seals on the pins and
similar defects (of course, you could say this for other tubes as well, but
for them you're paying like 15 times less money so you can pretty much
replace them in the future or stock up on spares).

Just my 2 cents :)

Dana ??etvrtak, 23. velja??e 2017. u 13:37:46 UTC+1, korisnik ten kowal
napisao je:


I've got an answer from him. When asked for price for 4 tubes, he answered
with 10 000 EUR.
Well, he really does know how rare and valuable they are.

W dniu ??roda, 22 lutego 2017 13:42:02 UTC+1 u??ytkownik Ian Sparkes napisa??:


There's some guy called Andre offering a number of CD47 tubes here:


https://www.tubeclockdb.com/component/kunena/7-buy-sell-trade/7336-rodan-cd47-gr-414-nixie.html

Still waiting for further information...





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Re: [neonixie-l] Re: Small run fabrication

[Dan Hollis]

acrylic is pretty easy to do hand fabrication.

https://www.youtube.com/watch?v=jCeHx-vvJ7k
https://www.youtube.com/watch?v=osN_yrsN7vw

-Dan

On Thu, 12 Jan 2017, Paul Andrews wrote:


I am trying to finish up a case which is basically an acrylic tube like
this:



So now I need to make a base, ends and a support for the actual clock. I
have ideas for how to do it, just need to figure out how to do the
fabrication :-)

On Wednesday, January 11, 2017 at 1:33:10 PM UTC-5, Paul Andrews wrote:


Hi,

I'm trying to make a case for one of my clocks and started looking at
online fabrication services such as big blue saw. I am basically looking at
designing and fabricating one-offs of some simple acrylic pieces (with cut
outs/holes etc.). I was wondering if anyone can recommend a service that is
reasonable for one-off parts like this? I'm also looking for a reasonably
simple CAD package to design them in. I have messed with various CAD
packages in the past but I am looking for something that is easy to design
the sort of simple 2D parts I am thinking of.

There is also a nearby maker space I could join for $40 a month. It seems
like overkill for what I want (at the moment!). Plus I would have to buy
materials anyway and they only offer laser cutting rather than water jet
cutting.

Any advice is greatly appreciated.

Thanks - Paul



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Re: [neonixie-l] Small run fabrication

[Dan Hollis]

On Wed, 11 Jan 2017, Paul Andrews wrote:

I'm trying to make a case for one of my clocks and started looking at
online fabrication services such as big blue saw. I am basically looking at
designing and fabricating one-offs of some simple acrylic pieces (with cut
outs/holes etc.). I was wondering if anyone can recommend a service that is
reasonable for one-off parts like this? I'm also looking for a reasonably
simple CAD package to design them in. I have messed with various CAD
packages in the past but I am looking for something that is easy to design
the sort of simple 2D parts I am thinking of.

There is also a nearby maker space I could join for $40 a month. It seems
like overkill for what I want (at the moment!). Plus I would have to buy
materials anyway and they only offer laser cutting rather than water jet
cutting.


Your makerspace is probably your best bet.

waterjet cutting is expensive and few real reasons to use it over 
lasercutting.


I use sketchup for simple designs, then use a plugin to export the faces 
to SVG for laser cutting.


-Dan

[neonixie-l] Edgelit modules for sale

[Dan Hollis]

Looks like someone is offering edgelit modules for sale:

http://www.nixiepipe.com/

I was going to design my own PCB for something like this, looks like 
someone saved me the hassle. Fortunately I have access to a laser cutter 
so I can make my own digits.


-Dan

[neonixie-l] arcade games using russian tubes

[Dan Hollis]

https://www.youtube.com/watch?v=Zy-scT8uGQ0

See around 0:51, looks like IN-18

Around 2:03, looks like maybe IN-14

-Dan

Re: [neonixie-l] NOT another nixie clock!

[Dan Hollis]

I suspect arduino herd will migrate to esp82xx, not msp430.

-Dan

On Tue, 11 Oct 2016, John Rehwinkel wrote:


Well, regarding to the love the MSP430s get, I suspect that as soon as 
Microchip starts discontinuing the AVRs, the Arduino herd will have to migrate 
to greener pastures, and I think that's where the MSP430's are.


You're probably right.  There's already the Energia port of the Arduino IDE to 
the MSP43x architecture.  And it's impossible to put the genie back in the 
bottle.  The IDE already supports plug-ins for different architectures, and 
there are dozens available and more coming.  Lots of ARM based ones as well 
(including official Arduino branded offerings).  There is PIC support, for 
people who like Microchips more primitive offerings, and even X86 ones, for 
people who like Intel's more primitive offerings.

Back when I had outgrown the PIC architecture (and lost patience with some of 
the things that go with it), I had looked at the MSP430 as a possible next 
step, as TI has just introduced it and was offering the launchpads and watch 
kit at an eponymous $4.30 price.  Unfortunately, at that time, it was DOS-only, 
which was a dealbreaker for me (now they support modern operating systems).  I 
went to AVR at the time and it has served me well, but I've since embraced 
MSP430 and ARM too.


I'm evaluating to port the Marlin 3D-Printer firmware, which works on the 
ATMega platform to the MSP432 one. It has no ETA, but I think it's a worthwhile 
move.


If it's not in assembler, shouldn't be too tough a port (I've ported several projects 
from AVR to MSP430, and it's generally been straightforward).  The FRAM based parts have 
a nice hidden bonus as well: you can use the FRAM as RAM, gaining a bunch more memory and 
it's non-volatile.  It's not quite as fast as the RAM, so you have a choice of either 
running it with a wait state or running at 8MHz (I went with 8MHz, which was fast enough 
for my needs, and saved battery as well).  It's tricky, as the RAM and FRAM memory is 
non-contiguous, so you have to be careful with how you lay things out.  Additionally, 
some of the FRAM is addressed higher than (IIRC) 64k, and earlier compilers don't support 
that very well ("large" memory model).  I ended up using low FRAM as RAM and 
high FRAM as flash, which was good enough for my project.  These days, I'd hope the 
compiler issues have been ironed out.

For the curious, here's a picture of a project I built using an MSP430FR5969 as 
the CPU:

http://www.vitriol.com/images/tech/equipment/homer-bare-800.jpg 


- John

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Re: [neonixie-l] Re: Fake nixie power supply on eBay!!!

[Dan Hollis]

I reported it too.

-Dan

On Thu, 29 Sep 2016, TouMu wrote:


Reported.

Regards

 2016???9???29 UTC+8??11???51???42


Recently I got some emails from ebay buyers, they claimed the NCH6100HV
Nixie Power Supply they bought from other eBay sellers can not works and
looks very poor quality, not exactly same as I posted on my website:
http://www.nixieclock.org/?p=493
Today I found my nixie power supply has been counterfeited by some people,
and they also marked my website on the board, absolutely fake one:

http://www.ebay.com/itm/NCH6100HV-High-Voltage-DC-Power-Supply-Module-F-Nixie-Tube-Glow-Tube-Magic-Eye/252535630225?_trksid=p2050601.c100574.m4253&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D37338%26meid%3Da9c688809b2e40b3baa849fd57e9df14%26pid%3D100574%26rk%3D1%26rkt%3D3%26sd%3D252535630225

I'm sorry to see this happened and sorry for guys who bought the fake one,
I always using high quality electronic components for my design, I hope
similar things will not happen in the future.

Thanks.
Yan.




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Re: [neonixie-l] How hot should a mosfet get?

[Dan Hollis]

Maybe the use case as well. The guys making spot welders always recommend 
using FETs instead of SCRs due to FETs always failing open vs the SCRs 
always failing closed.


So massive high current pulses vs contant duty cycle.

-Dan

On Wed, 28 Sep 2016, NeonJohn wrote:


I can't speak for low power FETs.  The smallest thing I deal with is a
100 watt fan speed controller.  I have a box under my lab bench that I
call my "L'il box of larnin' " that contains all the FETs and IGBTs that
have failed during development over the past 10 years or so.  A thousand
at least.  There's not a single device in that box that failed open.

John


On 09/28/2016 02:38 PM, Dan Hollis wrote:

I thought FETs always fail open, and it was SCRs which always fail shorted.

-Dan

On Wed, 28 Sep 2016, NeonJohn wrote:




On 09/28/2016 12:40 PM, Trumpeter wrote:

Thank you for this detailed explaination, even though some is over my
head.

Should I check the resistance between the two joined pins and one of
the two pins on the other side?  Could the over heating mosfet damage
other components or will it simply fail?


The problem is that power FETS *ALWAYS* fail shorted.  So you need to
plan your circuit and any protection for that eventuality.  I'd put a
PolyFuse in the circuit supplying the circuit.  That'll protect your
transformer and power source when the FET lets its smoke out.

John


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Re: [neonixie-l] How hot should a mosfet get?

[Dan Hollis]

I thought FETs always fail open, and it was SCRs which always fail shorted.

-Dan

On Wed, 28 Sep 2016, NeonJohn wrote:




On 09/28/2016 12:40 PM, Trumpeter wrote:

Thank you for this detailed explaination, even though some is over my
head.

Should I check the resistance between the two joined pins and one of
the two pins on the other side?  Could the over heating mosfet damage
other components or will it simply fail?


The problem is that power FETS *ALWAYS* fail shorted.  So you need to
plan your circuit and any protection for that eventuality.  I'd put a
PolyFuse in the circuit supplying the circuit.  That'll protect your
transformer and power source when the FET lets its smoke out.

John


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Tellico Plains, Occupied TN
http://www.tnduction.com<-- THE source for induction heaters
http://www.neon-john.com<-- email from here
http://www.johndearmond.com <-- Best damned Blog on the net
PGP key: wwwkeys.pgp.net: BCB68D77

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Re: [neonixie-l] IN-18 Typical Failure Mechanism

[Dan Hollis]

I had same failure, but probably due to my rotating tubes. I plan to make 
an adapter plug to relieve the strain on the pins when I rotate the tubes.


-Dan

On Fri, 8 Jul 2016, Jeff Walton wrote:


I recently had a IN-18 failure in a clock after about 2.5 year operation.
Over a (4) day period, the digits in one of the tubes stopped working in
PWM dimmed mode.  At full brightness, the digits in the affected tube
slowly lost percentages of digit coverage to where only portions of each
digit would illuminate.  At the end of the observed period, the digits in
the failing tube went completely dark and even higher voltage on the bench
would not illuminate any of the cathodes.  The tube date code was 8505.

I am guessing that absent of any other signs of damage, a seal around one
of the pins has failed and allowed the tube to leak.  It was surprising how
quickly it failed and none of the other tubes in the same clock have
exhibited any signs of trouble and look as good as the first day of
operation.  Has anyone experienced similar failures with the IN-18?  Is
this a typical failure mechanism?  Have there been any particular date
codes that others have found to be problematic?

The tube has been since been replaced and the clock is happy again but
curiosity leads me to ask about this experience to the rest of the members
of the group.  FYI - these tubes have not been rotated since the clock was
initially put into operation (no handling).  There was never any evidence
of cathode poisoning during the operation of the clock.

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

[Dan Hollis]

On Fri, 6 May 2016, Oscilloclock wrote:

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 they won't cover you in the end if they also believe you sold a 
defective product?

And have you or anyone heard of anyone in the US prosecute a kit (or whole 
clock) maker outside the US?


How about inside the US?

-Dan

Re: [neonixie-l] Re: PIxie tube 3D socket

[Dan Hollis]

I use openscad also, can you share the script?

-Dan

On Wed, 27 Apr 2016, gregebert wrote:


I use openSCAD, and create a mathematical model using cylinders. Since tube
sockets use symmetrical placement, it's easy to create a loop with X & Y
offsets. I also do the replicating (so I can print multiple sockets at the
same time) within the code. It's just simple math + looping, but it does
consume a lot of CPU time. Took ~25 minutes to render 25 sockets.

After rendering, I export into .stl format.

For printing, I use Cura to import the .stl file and export as gcode. My
printer supposedly works best when printing a gcode file from a microSD
card, rather than the USB port.

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Re: [neonixie-l] Crowdfunding for vacuum tubes/nixie/neon/scientific glassblowing workshop

[Dan Hollis]

Have you seen the work of dalibor farny?

http://www.daliborfarny.com/

-Dan

On Thu, 7 Apr 2016, Lukas Niebieszczanski wrote:


Hello All,

Thanks for adding me to this group.
I would like to ask for sharing and perhaps chipping in to my crowdfunding
project for opening glassblowing workshop.
It not planned being commercial as such. It is rather a very unique and
sadly expensive hobby of mine.
There is also an urge to reintroduce some of the most unique and crafty
items that has been once very popular.
I would like to manufacture affordable scientific devices such as cathode
tubes of many kind, nixies, help with vacuum tubes repairs (yes it is
sometimes possible).
I've got many ideas for animated nixies similar to aerolux neon glowing
bulbs.
Unfortunately to get it done properly I need help.
Much of the equipment has already been purchased or refurbished (I am using
only up-cycled machines and tools).
The most difficult gig would be obtaining and transporting the glass lathe,
purchasing induction tool, spot welder and some other auxiliary equipment.
I'd like to create a place where everyone could come or ask for help, even
remotely. This would be our common place where we could experiment with
vacuum tubes, nixies and everything that relates to glass, vacuum and
electricity in general. Let's face it - it is quite an obstacle to have all
the stuff you need to make vacuum tube. Imagine if you could outsource it.
I know it is almost impossible, hence this project.

Please help with spreading the word about this project as I really think it
would be a great one.
http://www.crowdfunder.co.uk/creative-vacuum-tubes-glassblowing-workshop
Feel free to ask questions. All shall be answered.
Should you find this message inappropriate please remove or let me know.

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RE: [neonixie-l] OT: US Customs Service - Delays

[Dan Hollis]

Theft by US customs employees is more common than you'd think.

http://cnsnews.com/news/article/127-border-patrol-and-customs-workers-arrested-corruption

-Dan

On Wed, 30 Mar 2016, Jeff Walton wrote:


I live in the Midwest US and my items typically go through Chicago for customs 
clearance.  In the past 6 months, most items seem to take at least 10 days from 
the time that the tracking shows them arriving in Chicago until they are 
released for final delivery, which typically takes 1 or two days from the time 
released in Chicago.  In most cases, shipments from China seem to get to the US 
in 5-7 days but the delay in the US is typically longer.  Some vendors ship 
through Switzerland but I typically lose tracking in between the origin and US 
customs.  In summary, the delivery times can be surprisingly short but often, 
it takes 3-4 weeks for even the simplest items.



Jeff





From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com]
Sent: Wednesday, March 30, 2016 11:08 AM
To: neonixie-l
Subject: [neonixie-l] OT: US Customs Service - Delays



In the past, I had been complaining of the German Customs Service for holding and 
delaying delivery of parcels. Well, its seems, lately, that the US Customs Service has 
adopted the same bad habit. In the last couple of months, parcels coming my way, from 
outside the US, have been held at a customs warehouse for typically a week. Thru the 
magic of "tracking numbers", I've noticed an expected parcel sitting at one 
place, inside this country, for a week, before progressing to its next station.



Most of the time, I try to buy stuff within the national boarders. For someone 
that lives near a major port, like Los Angeles, as I do, that usually works 
out. Especially with stuff from China. The whole San Gabriel Valley (or at 
least the section between state route 60, and Interstate 10) has turned into 
one big warehouse of Chinese goods. So if I want to buy cheap USB cables or 
plastic filament (for my 3D printer), I can find a vendor less than 30 miles 
away. But sometimes, I need something that's not locally found, and I have to 
bite the bullet.

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Re: [neonixie-l] Re: Counterfeit RTC modules

[Dan Hollis]

Looks like a counterfeit to me.

I've been spending a lot of time lately analyzing chinese counterfeit 
chips. They are everywhere.


-Dan

On Fri, 5 Feb 2016, Michail1 via neonixie-l wrote:


It's also possible it was simply a bad chip.

Michail


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Re: [neonixie-l] Counterfeit RTC modules

[Dan Hollis]

I don't understand why chinese bother to counterfeit LM2596s, but they do 
all the same. In fact 99% of the dc buck converters you find on amazon and 
ebay are counterfeits.


-Dan

On Thu, 4 Feb 2016, David Forbes wrote:

Sorry, but I do not understand this race to the bottom, that produces 
products that look like products that work. Why not just buy a working chip 
for the price of a working chip, and save yourself the hassle and 
disillusionment that comes with a part whose price is clearly too low to be a 
working product?


The odds of the rest of the module working properly are not too high. You 
might spend hours dealing with the fallout of saving ten dollars.



On 2/4/16 8:04 AM, gregebert wrote:

Lesson learned: You get what you pay for.

I bought a $2 US realtime clock module on Ebay, imported from China, and
the DS3231 chip appears to be counterfeit because it was not keeping
accurate time. I was suspicious about the price, considering I paid almost
$8 US just for the DS3231 from a reputable supplier. Over a few days, it
lost about 1 hour of time.

After replacing the chip with a genuine Maxim DS3231, it's running
correctly.

A quick web-search found there are several others who have experienced 
this.


Despite having to replace the RTC chip, the module itself is still worth
the price because it included a rechargeable Li-ion coin battery and a
serial EEPROM (no time yet to see if that's working correctly...)




--
David Forbes, Tucson AZ

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Re: [neonixie-l] Re: Make a clock, go to jail

[Dan Hollis]

If they really thought it was a bomb, why didn't they evacuate the school?

The fact they did not, speaks volumes.

-Dan

On Fri, 18 Sep 2015, A. Nonamus wrote:


Jeff, that is exactly the problem I have with the incident... none of the
adult educators and administrators who saw the device was savvy enough to
realize that this was merely a commercial clock partly disassembled and
placed in a high-tech-looking briefcase. It's fairly obvious from the photo
that there is no significant quantity of any commonly-available explosive
present.

However, Ahmed and his parents should have realized two things: 1. Even
ignoring the race/ethnicity issue, the combination of endemic ignorance and
Hollywood influence make installing any kind of clock into a briefcase, or
putting one into a somewhat home-made-looking semi-disassembled state with
electronic components, a very poor choice for show-and-tell in the current
world climate of terrorism. 2. All else aside, the condition of the
device should rightly be regarded as dangerous (line cord connection with
no entry hole or bushing, chunky tape-wrapped splice, loose components
dangling by their wires and easily moving about including the heavy,
sharp-edged and and conductive power transformer, etc.)

Also, what's the extraneous knotted black wire running through the latch on
the outside of the case for? It could easily be misconstrued as a
tamper-trigger or dead man switch.

On Wednesday, September 16, 2015 at 9:36:49 AM UTC-7, Jeff Walton wrote:


Way too much speculation here...

People sometimes fear what they don't understand.

Jeff



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[neonixie-l] tubehobby enclosures?

[Dan Hollis]

Does anyone make enclosures for tubehobby kits anymore?

numinex is long since dead and gone.

-Dan

Re: [neonixie-l] Re: Need help with a tubehobby clock overheating

[Dan Hollis]

On Sat, 28 Mar 2015, Terry Kennedy wrote:

On Saturday, March 28, 2015 at 7:55:48 AM UTC-4, Kiran Otter wrote:

Recently, I started to notice that other digits in the tubes were
partially lighting up, and eventually the fuse blew.  My assumption was
that the K155ID1 drivers had started to go, so I ordered six of them off
eBay, and tried replacing them.. which isn't hard, everything is socketed.
  Well it didn't help, so I contacted Jonas.  Jonas suggested replacing C6,
which I did and it appeared to fix the problem.

Yes, that kit tends to eat the HV filter cap. I've replaced it in
multiple clocks multiple times. Eventually I suppose I'll just figure out
how to get a Tayloredge HVPS module in there, and swap the supplies the
next time the cap fails in each.


Mine blew the fuse too, good to know i'm not the only one who had this 
problem. Also good to know C6 is the likely culprit. My clock has been 
sitting unused for a while.


-Dan

Re: [neonixie-l] Re: IN-18 Tubes - Best place to get from?

[Dan Hollis]

Ukraine might not be the best place to be ordering IN-18 from right now...

-Dan

On Tue, 25 Feb 2014, Jeff Thomas wrote:




On Tuesday, February 25, 2014 8:16:45 AM UTC-7, Paul Parry wrote:


Hi all,

As someone quite new to Nixies, where would you recommend the best place
to get some IN-18 tubes from? Direct from somewhere in Ukraine or off eBay?

Cheers,
Paul




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Re: [neonixie-l] Help with upgrading my soldering iron

[Dan Hollis]

For the price, a hakko is an excellent value, and lightyears better than a 
radio shack iron.


Metcal are extremely expensive, I was never able to justify the cost when 
the hakko does so well.


-Dan

On Mon, 17 Feb 2014, David Forbes wrote:

I used to use a Hakko 936ESD until last year, when I got a used Metcal from 
ebay. The 936 has a knob instead of those dumb buttons. but it's 
discontinued.


The Hakko is fine, unless you need to change tips frequently.

The Metcal is the best soldering iron you can get.



On 2/16/14 11:12 AM, blkadder wrote:

Greetings All,

I am hoping you can help me make a decision.  I have been using my Radio
Shack 25w soldering iron for a few years now, and it is time to upgrade.  I
have been scouring boards and other Interwebz sites, and I think I have
narrowed it down to two.

Here are the ones I am looking at:

Hakko FX888D digital soldering 
stationhttp://www.amazon.com/dp/B00AWUFVY8/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8colid=3VUV96XRTQWGXcoliid=I1NQBCOEOQSSAF


Aoyue 968A SMD Digital Rework 
Stationhttp://www.amazon.com/dp/B006FA481G/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8colid=3VUV96XRTQWGXcoliid=I348QKU3RA8ENW


I have been looking at the Hakko for a while now, but then I found the
Aoyue setup for not a lot more money than the Hakko.  I am curious if
anyone out there has any experience with either of these, and maybe give me
a bit of insight.  If you have suggestions for something else, that would
be okay too.

Thanks for any insight you guys might be able to provide.

Ron

...Semper Fidelis...




--
David Forbes, Tucson AZ

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Re: [neonixie-l] IN-18 gone bad.

[Dan Hollis]

I would definitely pay for ZIF IN-18 sockets :)

-Dan

On Thu, 23 Jan 2014, John Rehwinkel wrote:


I caused it because I was swapping the tubes too much. The repeated 
removal/insertions caused the tube to leak at the pins.

I still want to rotate the tubes, but I need to come up with a surrogate socket 
so I can swap the tubes without stressing the pins.


A ZIF nixie socket!  Now that would be quite a thing!  That would also dodge 
the usual problem in home-made sockets of having the grippers both float and 
exert proper tension, by moving the tensioning function elsewhere.  Time to 
start scribbling and thinking about milling out some interesting shapes.

- John

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Re: [neonixie-l] IN-18 gone bad.

[Dan Hollis]

Yep, this exactly happened to me. A tube suddenly started having problems 
lighting some digits. Then eventually it stopped working altogether.


I caused it because I was swapping the tubes too much. The repeated 
removal/insertions caused the tube to leak at the pins.


I still want to rotate the tubes, but I need to come up with a surrogate 
socket so I can swap the tubes without stressing the pins.


-Dan

On Wed, 22 Jan 2014, Gene Mark Segal wrote:


You're all wrong, it's leaking gas through the pins.

Sent from my iPhone


On Jan 22, 2014, at 7:27 AM, Adam Jacobs jacobs.a...@gmail.com wrote:

 This is an issue that is most obvious on clocks with lots of functionality. If 
there are different modes/menus that display numerals on a tube that are not 
normally lit as part of the clock, then you'll see this. Best advice is to take 
full advantage of automated cathode-poisoning prevention routines.
 Clocks that don't have any menus, i.e. they don't ever display a numeral on a 
tube that wouldn't be displayed as part of the standard clock, still have this 
problem but it's not anywhere near as obvious.
For example: If the 10-minutes tube only ever displays 0-5 in the course of 
being a clock and I don't have any additional menus or modes that might try to 
display something besides those values, then the critical poisoning of 6-9 
doesn't matter to me.

John is right. Try to repair the cathode poisoning if it is still fairly mild. 
I've had great luck in the past doing this with IN-8-2's. [I learned the hard 
way on some of my earliest clocks regarding current limiting resistors. :S]

-Adam

On 1/22/2014 5:36 AM, John Rehwinkel wrote:

One of the IN-18s in my Nixichron has started to fail. I don't know if it's 
cathode poisoning or some other failure mode.
 In the 10's hours position, several of the digits are not lighting completely, 
they are dark toward the bottom of the tube, probably the bottom 1/3 of the 
numeral.

Sounds like cathode poisoning.


 This happened rather suddenly, or at least I only noticed it recently. The 1 
digit is fine, and that's what is lit most of the time. The other digits only come into 
play during display of the GPS coordinates every 1/4 hour. As they scroll across the 
clock, I can see the bad digits.

Yeah, cathode poisoning happens when not all the digits are used enough.


I do have a couple spare tubes, but they have no hours on them. I'll try one to 
be certain it's just the tube. But I'd actually like to find a used tube, 
something with several years worth of use on it, so the brightness will be a 
better match.

It's worth trying to depoison that one.  The easy way is to swap it with one of 
the other digits that gets used more evenly.  The quick way is to run those 
other digits for a bit a higher-than-normal current until they light fully 
again.

- John


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Re: [neonixie-l] Cold Cathode Tubes (JB Dance) available in reprint...

[Dan Hollis]

Looks like you can read it online?

https://archive.org/details/ColdCathodeTubes

-Dan

On Thu, 9 Jan 2014, Nick wrote:


Someone in India has reprinted this for GBP 20 plus postage etc.

Might be of interest to those that want a hard copy - cannot vouch for
quality though...

http://www.alibris.com/booksearch.detail?invid=12067424888cm_mmc=B-_-5-_-A-_-A

Nick

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Re: [neonixie-l] Cold Cathode Tubes (JB Dance) available in reprint...

[Dan Hollis]

I suspect these hardcover reprints from india are just made from the PDFs.

-DAn

On Thu, 9 Jan 2014, Nick wrote:




On Thursday, 9 January 2014 18:52:27 UTC, bani wrote:


Looks like you can read it online?

https://archive.org/details/ColdCathodeTubes



Yup - the online versions have been around for a few years - there are many
other classic engineering/scientific texts available as PDFs too...

However, some folk like to have hard-copy (as I mentioned in the original
post), so this is a cheap(ish) source - original copies are now a) rare,
and b) expensive (typically $60 and more each).

Nick

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Re: [neonixie-l] Re: Fascinating ebay sale ... apparently IN-18 production gear!

[Dan Hollis]

What's in the tins?

I don't see these in the pics:
* grid meshes
* digit wire
* getters

-Dan

On Wed, 8 May 2013, dr pepper wrote:


Looking at it you'd also need a air compressor and a power press for
the press tooling.

A visit to the seller would be a good idea to see what is included.

Setting up producing those tubes might be profitable, however
allthough not absolutely necessary you'd really need to speak to one
of the setters or production workers that ran the original production
line, so you'd need to speak russian.

On 6 May, 11:23, Zedsquared ro...@cqr-ltd.com wrote:

This is interesting!

http://www.ebay.co.uk/itm/261172534593

I've not got the cash or inclination to buy but would love to hear what
people make of this, it's a great insight into what goes on in manufacture.
Does anyone know what the green machine with flames does?
What's in the cans? (I'd guess getter compound maybe ).
Looking at the QA so far it implies that the digits have to be made with
the supplied know how ... photo etching techniques and recipies perhaps?

Cheers,
       Robin.

P.S.    I guess I should introduce myself :) Hi, I'm Robin from the UK, a
software and hardware computer guy with a nascent ebay nixie acquisition
habit but only a few breadboard rigs actually built yet. Here's hello
world from my first PIC and nixie setup:  
https://www.youtube.com/watch?v=AqxDZUYhl2s
Day job is RD at a company fitting out emergency service command and
control vehicles with tech, weekend job is pyrotechnician with skyburst.
I'm currently spending most of my time in bed with a laptop due to a broken
ankle, bah!


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Re: [neonixie-l] Nixie Tube Pin Straightener now available!

[Dan Hollis]

Nice, but far too expensive.

-Dan

On Sat, 20 Apr 2013, Dieter Waechter wrote:


Hi Nixie Fans!
The Nocrotec Nixie Tube Pin Straightener is now available!

Check it:
http://www.nocrotec.com/shop/product_info.php/language/en/info/p218_Nocrotec-Nixie-Tube-Pin-Straightener.html

DIETER
http://www.nocrotec.com/ 
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Re: [neonixie-l] Re: Philips CRT plant in Heerlen (NL) is closed. Inventory is selled out !

[Dan Hollis]

Any possibilities to purchase the old manufacturing equipment? Is there 
anything that could be used to produce nixies?


-Dan

On Mon, 1 Oct 2012, dr pepper wrote:


I'm surprised they managed to keep running as long as they have.
It seems to be 'the way forward', instead of re-equiping a plant for
producing other items just to shut them down and walk away.
Thermionics are disappearing.

On 30 Sep, 21:33, Tidak Ada offl...@zeelandnet.nl wrote:

The CRT plant of Philips Heerlen is closed and the invetory selled out.
Just for those who intend to build tubes themselves, there are hundereds of
tube bases with evacuation pipe ande conneting pins for sale.
Further boxes full of CRT electrodes, fritt, glass parts for D14 size CRT's
P31 and other fosfors etc. Getters I have not seen during my visit, but may
be in stock too.
You can get information vis Marktplaats an (eBay doughter) 
[http://link.marktplaats.nl/569849757] Mr. Max So will answer you.

 P9300324.jpg
40KViewDownload


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Re: [neonixie-l] Re: Why is multiplexing nixie's bad

[Dan Hollis]

On Thu, 20 Sep 2012, threeneurons wrote:

Other than brightness, some have observed mechanical 'singing' coming off
the larger tubes, like IN-18s.


This is the most annoying thing about multiplexing. You can hear the in-18 
tubehobby kit singing from across a room.


Anyone delling direct drive in-18 kits?

-Dan

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Re: [neonixie-l] Re: Why is multiplexing nixie's bad

[Dan Hollis]

The ringing is coming directly from the tubes.

-Dan

On Thu, 20 Sep 2012, Adam Jacobs wrote:

I've definitely used a few inductors that buzzed nastily before. The sound of 
a coil contracting around a ferrite repeatedly.
That's one advantage of using one of those ugly acrylic box cases. :) Great 
at noise dampening.


-Adam

On 9/20/2012 11:24 AM, jb-electronics wrote:

Hi there,


On Thu, 20 Sep 2012, threeneurons wrote:

Other than brightness, some have observed mechanical 'singing' coming off
the larger tubes, like IN-18s.


This is the most annoying thing about multiplexing. You can hear the in-18 
tubehobby kit singing from across a room.


might also be the switch mode power supply. I have a couple of small power 
supplies from TaylorEdge who are remarkably loud.



Anyone delling direct drive in-18 kits?


Take a look at Dieter's IN-18 Blue Dream masterpiece: 
http://www.nixiekitworld.com/


Best regards
Jens



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[neonixie-l] nixies in video games

[Dan Hollis]

http://www.youtube.com/watch?v=4FtBhzumoa0

Completely fictional or were the digits based off any known tube?

-Dan

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Re: [neonixie-l] Attention!! NEW Nixie tube cheater at Ebay!!!

[Dan Hollis]

If you need people here in the states to verify phone and address, it is 
possible. For example I live in seattle and can verify addresses and 206 / 
425 area code numbers.


It's one way to validate if someone is a scammer or not.

-Dan

On Wed, 4 Apr 2012, Dieter Waechter wrote:


Hi!
I must warn you of another seller who offers IN-18 Nixie tubes cheap but does 
never ship!!!

Ebay ID: petrovpavel1009
All other data: unknown
DO NOT BUY FROM HIM
I guess he is part of the Ukrain Nixie cheater mafia!!
Dieter

PS: please also note the following warnings:


Hi!
Be aware of the following Person who sells IN-18 tubes but does not ship!!!

Ebay ID: gennadiy.yakimovsky
Name: Gennadiy Yakimovskiy
City: Perm
Street: Tumakova 95
Country: Russian Federation
ZIP: 615315

Of course these data are fake.

It looks like he is part of the cheater gang from Ukrain.
Dieter


And this one:

Attention! Be careful - Nixie tube cheaters!



Hi Nixie Friends!



I must warn you of the following persons who offered me IN-18 Nixie tubes, 
which I paid, but never received.


They did not answer me, although I was waiting for more than one month.

And more: I saw they sell further at ebay, but do not answer any requests 
from me also if asked over Ebay.


One of the gangsters called me, but now that telephone numbers are dead.



The data of the persons are:

Ebay ID: vogavoga



Email addresses they use:

pbogdal (at) gmail.com

voga_voga (at) yahoo.com

raul_frey (at) yahoo.com

pbogdal (at) googlemail.com

sales (at) vogavoga.com

aleksandrar (at) ukr.net



Names  Adresses they use:

Raul Frey, 45 Esquire Drv., 90245 CA, USA, Phone : +1-2069059585, 
+44(0)2069059585, Fax : +1 555 3653, Webpage: http://vogavoga.com


Notes:

Fax number is fake. 555 prefix is always on the movies as a fake phone 
number.


Main number is 206, which is a Seattle, WA phone number

google maps: There is no such address as: 45 Esquire Drive, El Segundo, CA 
90245


Actually, there is not even an Esquire Drive, Blvd, Street, Ave, or Court in 
El Segundo.




Registrant:

Aleksandra Manilova, Poliakova 3a, flat 111, Zaporozhye, Zaporizka obl 69098, 
Ukraine, aleksandrar (at) ukr.net, Phone: +380662733023




Other Names and addresses they use:

Kostyantyn Shugaylo, Lenina ave.149, flat.74, 69035 Zaporizhie, Ukraine

owner of flat is:

Артемова Н.В Ленина Пр., дом 149, кв. 74

Artemova N.V., Lenina ave.149, flat. 74

Phone: +380612348803



Piotr Bogdal, unkown address, Poland



Unona Oliynik, 12 aprelia, 69035 Zaporizhie, Ukraine



Be careful! Do not buy from them!

Dieter


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Re: [neonixie-l] Re: Class action lawsuit...

[Dan Hollis]

diagnosed by who?

-Dan

On Thu, 9 Feb 2012, Cobra007 wrote:


The thing that cannot be denied is that he was diagnosed with mercury
poisoning (see 37), so the question remains where did that come from?
If it wasn't from the tubes, what was it then?

Michel



On Feb 10, 7:06 am, chuck richards chuc...@all2easy.net wrote:

Yeah, same here.   I too used to play with mercury when I
was a kid.

Oh sure, yes, it would be harmful if you poured it out
into a big pan and heated it on the stove and stuck your
head in the pan to inhale the vapor.

But, just normal everyday handling?   I think people are
freaking out about nothing.   Such is the case though about
lots of things now, so it's no real big surprise.

Chuck












 Original Message 
From: nixci...@jsdesign.co.uk
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: Class action lawsuit...
Date: Thu, 9 Feb 2012 07:42:06 +



On 9 Feb 2012, at 05:04, Terry Kennedy wrote:



When I was a kid in elementary school, each year the science
teacher would pull out the jar of mercury and pour it into a
shallow pan, and we'd all run our fingers through it and marvel at



how something so heavy could be a liquid.



In the UK, in the days of pounds shillings and pence, LSD, a

ha'penny

was very much the same size as a shilling.  So lots of schoolboys
would break open a thermometer and coat the ha'penny with the

mercury

to make it silver and pass it off as a shilling - 24 times the

value.

Smearing the mercury on the coin with a finger, of course. I think
that's what they call liquid assets.



John S



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Re: [neonixie-l] Re: Class action lawsuit...

[Dan Hollis]

There are a lot of quacks out there who will give you a diagnosis of 
anything. So the question is if the mercury poisoning diagnosis was from a 
reliable source or not.


-Dan

On Thu, 9 Feb 2012, Adam Jacobs wrote:

Exactly. I would assume that would be a cornerstone of the case, so you'd 
want to make sure that the diagnosis was infallible. I haven't read through 
all of the petition to see if there is any mention of this fact but I assume 
that it is pretty devoid of evidence.


-Adam

On 2/9/2012 2:53 PM, Cobra007 wrote:

Well, that is a good question, I just assumed it would have been a
professional medical examiner, but yeah, maybe it was his drunk
grandmother, who knows?

Michel



On Feb 10, 9:46 am, Dan Hollisparkxz9aw...@anime.net  wrote:

diagnosed by who?

-Dan







On Thu, 9 Feb 2012, Cobra007 wrote:

The thing that cannot be denied is that he was diagnosed with mercury
poisoning (see 37), so the question remains where did that come from?
If it wasn't from the tubes, what was it then?
Michel
On Feb 10, 7:06�am, chuck richardschuc...@all2easy.net  wrote:

Yeah, same here. � I too used to play with mercury when I
was a kid.
Oh sure, yes, it would be harmful if you poured it out
into a big pan and heated it on the stove and stuck your
head in the pan to inhale the vapor.
But, just normal everyday handling? � I think people are
freaking out about nothing. � Such is the case though about
lots of things now, so it's no real big surprise.
Chuck

 Original Message 
From: nixci...@jsdesign.co.uk
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: Class action lawsuit...
Date: Thu, 9 Feb 2012 07:42:06 +

On 9 Feb 2012, at 05:04, Terry Kennedy wrote:

When I was a kid in elementary school, each year the science
teacher would pull out the jar of mercury and pour it into a
shallow pan, and we'd all run our fingers through it and marvel at
how something so heavy could be a liquid.

In the UK, in the days of pounds shillings and pence, LSD, a

ha'penny

was very much the same size as a shilling. �So lots of schoolboys
would break open a thermometer and coat the ha'penny with the

mercury

to make it silver and pass it off as a shilling - 24 times the

value.

Smearing the mercury on the coin with a finger, of course. I think
that's what they call liquid assets.
John S
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Re: [neonixie-l] IN-18 Blue Dream Nixie Clock available now!!!

[Dan Hollis]

On Wed, 8 Feb 2012, Dieter Waechter wrote:

Hello Nixie Friends,
The new IN-18 Blue Dream Nixie Clock is finally available.
http://snipurl.com/224752n
I hope you like it and its great new features.
Thanks for all comments.


Looks like a fantastic design, I especially like the fact it's direct 
drive. No more ringing tubes!


But there doesn't seem to be any way to order it. There's no option to add 
to cart, and price is 0,00 EUR.


-Dan

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