s confused by it.
For now, I'm sorry but you'll just have to ignore it... we're not the only
group affected...
Nick
>
>
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Apologies if any of you on email delivery are receiving odd messages about
posts being rejected etc.
The group is being spammed in a fairly subtle way - I'm hiding the messages
but goooglegroups is getting confused.
It'll be sorted ASAP
Nick (moderator)
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I hope this helps people understand this issue:
Here is an extract of an email I wrote and sent to my company yesterday -
it aims to clarify much of the FUD (Fear, Uncertainty & Doubt) and plain
inaccuracies in the press:
As many of you will know, a serious flaw in the commonly used OpenSSL
li
On Tuesday, 8 April 2014 16:22:36 UTC+1, threeneurons wrote:
>
> Good luck finding those Japanese germaniums ...
>
On eBay at the moment - Toshiba 2SB54s at about USD 5
each<http://www.ebay.com/itm/2SB54-Transistor-x-1-pieces-/160937398278>...
(from Littlediode)
Nick
--
Yo
On Sunday, 6 April 2014 21:06:21 UTC+1, AlexTsekenis wrote:
>
> http://www.makerfaireuk.com
>
> 26/27 this month at Newcastle - a good compromise between scotland and
> midlands...
>
...but not between Kent & the Midlands :(
Oh, well...
Nick
>
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On Sunday, 6 April 2014 20:56:10 UTC+1, AlexTsekenis wrote:
> With the UK Makerfaire coming up I wanted to check if any other neon
> enthusiast is thinking of attending.
>
> I will be happy to meet you there.
>
> Alex
When and where is this?
Nick
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Nice Russian military base-station unit with nixies...
Cold War Era 1950 To 1973, General Issue Tactical
Radios<http://www.armyradio.com/arsc/customer/pages.php?pageurl=/publish/Articles/William_Howard_Russian/50-73_Base_Fixed_Station_Radios.htm>
Nick
On Saturday, 5 April 2014 22:24:35
e only 150mAh - PR44 (Zn/air) are 600mAh - somewhat better - the Hg
ones, MR44, are now banned.
Nick
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nsity falls off at a rate
of 1/(r^2). Main problem seems to be that it cause a lot of plastics to
degenerate... the response from "IslandPink", who is a physicist and
commercial lens designer is the one you need to read...
Nick
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xt to the PC - I have a small USB-powered plasmas ball that give
hours of fun to the cats...
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go as well - MTX-90s are also an option - they look a promising
alternative too...
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able. Let's hope that Pete's
experiments results are repeatable - do you have the details of the
emission characteristics of those LEDs?
Cheers
Nick
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I just checked - "Bunker of Doom" is Patrick Jankowiak's own site - the
correct URL for the document is
http://www.bunkerofdoom.com/tubes/crt/crt_phosphor_research.pdf
Nick
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On Friday, 28 March 2014 16:30:04 UTC, Nixcited delighted wrote:
>
> > What is "SRBP"?
> Synthetic resin bonded paper.
>
...aka Paxolin or FR-2
http://en.m.wikipedia.org/wiki/FR-2
Nick
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es that do work correctly?
Nick
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tally
filtering in a uP is easy - not so easy using standard logic...
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run a bit fast.
>
Essentially this is a digital low-pass filter - Ronald Dekker does the same
on his nixie clocks some of which use almost the same way of getting the
mains frequency - you can also determine the fundamental, i.e. is the clock
running on 50 or 60Hz mains, and adjust accordin
5/ufo-by-peter-coffin-and-cinimod-studio/)
Nick
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To post
to clean the
signal a bit.
Nuff said, really.
Personally, I'd never recommend someone build this circuit - there are far
better & safer ones out there.
Nick
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anachronism? Were there any
developments that built on the polyatron technology?
Cheers
Nick
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This is a well known video that we've discussed here several times before. The
techniques used are pretty standard but executed just beautifully and the video
is very well made...
Nick
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"neonixie-l&
s a great
tool for doing layouts - I've created a library of component parts for use
when I'm restoring valve radios... I find it helps me greatly in the
documentation process.
Nick
<https://lh5.googleusercontent.com/-55IpxfkLpUo/Ux063GDvFgI/Axg/Gtbt5m9E9jQ/s1600/DAC90A
Lovely as always!
Nick
On Saturday, 8 March 2014 16:42:43 UTC, Grahame Marsh wrote:
>
>
> http://www.sgitheach.org.uk/strobotron.html
>
> Enjoy
> Grahame
>
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Being fair, I knew the other tube was faulty when i got it.
Maybe one day Dalibor will offer a re-gassing service :)
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Just got another one of these (my other one is out-gassed).
Wondering what to do with it. Its in mint condition and I don't want to do
the normal boring stuff - looking for "left-field" ideas...
Anyone done anything with one of these, or its smaller brother, the
NEO-5000?
/Gb Ethernet port
- HDMI v1.4
- LVDS
- analogue headphone/microphone
- camera interface
Nick
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DD-700 & 702 datasheets here: http://www.decodesystems.com/dd-700.html
Nick
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I know about this - Dave's email contact list is compromised - its an old
scam - just ignore it - we got a copy on the list and I've deleted that.
Just pretend it didn't happen. He probably knows about the issue and
hopefully is dealing with it.
Nick
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usercontent.com/-NfROBWNqXpc/UwO6ynieZ1I/AxI/WwI33hramQc/s1600/NixiSat+new+GPS+mini-DIN.jpg>
Nick
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hey are really IEC 60320 C13s or C14s... :)
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To
or
> controllers. Even the major components inside these controllers are
> unobtainium. Grrr!
>
I thought that ALMA was going to be built in the Atacama... you off in
Chile then?
Nick
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hing -
http://en.wikipedia.org/wiki/PS/2_port
The Haicom HA-204III manual refers to the interface as both a PS/2 and a 6
pin mini-DIN.
Nick
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On Tuesday, 18 February 2014 16:19:29 UTC, Greg P wrote:
>
> Pictures, pleaseThanks for the info Nick.
>
There's not a lot to picture, to be honest - the old Oncore unit was under
the PCB - the only visible external changes are the BNC on the back being
replaced by a PS2
- a new Haicom HI-204III GPS puck plugs into that -
the anode resistors were changed to a slightly lower value, the current
limit on the HV SMPS was upped by 30%, the PIC was replaced with one with
new firmware, plus a few other minor electronic & cosmetic changes etc.
It now locks in under
After a bit of work (new GPS sub-system, new firmware, various component
changes, a bit of drilling & glue and a couple of hours), my mothballed
NixiSat lives again!
Huge thanks to Jeff for all his help - its a lovely clock that needs to be
seen & loved!
Nick
<
, i.e. the
schematics are available and they use pretty standard parts - bearing in
mind that they are RF-based, that's really useful...
Nick
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I'm a huge fan of the Agilent 34401A - now superceded but still the best
selling bench DMM ever. The replacement 34461A new is less than a new 344301A
but the older one is often available on auction sites.
Probably overkill but undoubtedly the best there is :)
Cheers
Nick
On Frida
...
Nick
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io - nice day really (before the rain starts hammering down
again tonight!).
The HTML5 template on your site seems to be giving my browser (Chrome) a
bit of grief - very slow to apply some of the CSS...
Nick
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Hi Paul,
Welcome!
Very nice clocks - I like the sawn-down chassis that will wall mount - neat.
There's a good smattering of nixie types in the UK - fairly evenly
distributed from the Far North to the Far Warmer South!
Cheers
Nick
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These can be released but its a pain. In the past, I've unbolted them and
then slid the locking part sideways to disengage the teeth...
...not that you should hopefully have to do that often !
Nick
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"
fference and at that time so-called "UV" LEDs didn't seem
to have much UV content - more just purple...
Maybe things have improved since then and UV LEDs are a possible answer.
All you need is a good source of high energy photons to initiate
ionisation...
Nick
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from above & outside the
actual situation between the two parties, both sides have more than a bit
to do on the PR front.
Nick
On Friday, 7 February 2014 03:23:14 UTC, celephicus wrote:
>
> I sent some trigger tubes to the NMOC via my sister in law who lives
> nearby, and the c***
Fantastic... boat anchors!
What on Earth would you do with them? They're missing all the external
sensors etc.
Nick
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it.com/pictures/2008/06/royworld.jpg
>
HI Mike - Hope you got those tubes back and that they're not languishing in
the back of some props cupboard :)
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Nice to see this restored - as it uses a synchronous motor, I guess its
locked to 50Hz and wouldn't be incredibly accurate in the States...
There is something very comforting about the clunk of repetitive mechanical
devices, like the ticking of a mechanical clock...
Nice!
Nick
--
ttp://frank.pocnet.net/sheets/142/y/Y1938.pdf>
HTH
Nick
On Sunday, 2 February 2014 08:53:37 UTC, TouMu wrote:
>
> Hi !
>
> I got a tube this days.
> Beautiful blue and green color.
> I have not taken a photo.
> Does someone have some of them?
> I like them very much.
>
d for the Witch project...
They really need to get their act together - having the BBC there filming
when the guide was fired was fortuitous, if only in that it made the issue
public...
Nick
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chance :)
Two days and its still not locked. Looking forward to the parcel...
Nick
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environment (still inverted).
Nick
"Y1938 showing internal detail after new test dipping in mauve FEV. Note
that the apparent darkening of the mauve at the top of the tube is an
optical illusion - the coating is very even and clear all over."
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Doesn't oxygen (O2+) have a couple of green emission lines around 500nm?
Possible?
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to neon
ilable 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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B: Alphanumeric Displays. Weston, George Frederick and Bittleston, R. 1982.
(UK) Granada Technical Books Ltd. (US) McGraw-Hill. TK7882.I6W47,
621.3819'532, LoC# 82-22846, ISBN 0-07-069468-0.
Chapters: 1) Presentation of Visual Information. 2) Display Requirements.
3) Addressing Techniques. 4)
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=12067424888&cm_mmc=B-_-5-_-A-_-A
Nick
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10/10 - Mad as a box of frogs.
I want one.
Nick
On Monday, 6 January 2014 19:01:56 UTC, westdave wrote:
>
> http://www.youtube.com/watch?v=9aYYE3F4zM0
>
> this is a friend of mine(living at the edge where there are no last
> names) ,when he started this he knew very littl
ts of
wood to park up on so you didn't melt into and then freeze into the road -
my brother's car had the oil freeze in the transmission as he was driving...
I really liked living there - no, really, I did - it was fantastic...
Nick
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I bet your patients love that...
"What's that then, doctor"?
"The last patient who argued with me..."
Nick
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Just wondering - drop me a PM if you'd be prepared to let me ask a few
questions - particularly interested on OTAP and whether you've used any
type of RTOS on them etc,
Thanks
Nick
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tube... (including the IV-11)
Have fun
nick.
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To post to t
Nice idea - thanks for doing that Tim...
Nick
On Friday, 27 December 2013 14:38:34 UTC, TLaing wrote:
>
> I just got this note from Jorge
>
> Tim:
>
>
>
> The tubes arrived safely, Thanks for the excellent packaging. During the
> Xmas vacation I am doing the layo
- not any "special" kit -
so they might emit in the IR spectrum mainly, but the implication is that
they were ordinary visible spectrum - they are not connected via the Morse
keys though (even optionally), unlike all the other lights...
Nick
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and levels of seniority just couldn't resist it. I'm going to
attach a bunch of lights and possibly a buzzer still looking for a
manual, though I will probably just reverse engineer it...
Nick
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uess what it is... ?
Cheers
Nick
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On Monday, 16 December 2013 14:51:14 UTC, Nigel Walker wrote:
>
> Just got my Itead boards. That's about two and a half weeks from order
> to delivery to the UK.
>
Quality? Photos? What's the solder mask/silk screen registration like? All
holes in the middle of pads
Go for it!
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On Wednesday, 11 December 2013 12:38:52 UTC, Jan Rychter wrote:
>
> If you don't specifically need 802.15.4 for compatibility reasons and if
> you aren't extremely size-constrained, you might find that it is much
> cheaper to go with an MSP430 and a nRF24L01+ module. This is what I'm doing
> in
I've ben thinking about the MSP430 series and their SoC/ wireless chips (mostly
802.15.4 based) - very nice suite of devices
Trouble is I've always been an Atmel guy, so it's a big switch though I suspect
that the learning curve is not too bad...
Perhaps its time to change. ..
--
You recei
>
> Yep - I'm using QFN56 devices amongst others, so a laser-cut paste mask
> would be good too...
>
Nick
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one of my favourites - its in the kitchen by the
phones - causes lots of interest
Too many ideas. Too little time!
Cheers
Nick
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http://imall.iteadstudio.com/open-pcb/pcb-prototyping.html (note that their
prices are for 10 boards)
I was considering using them but was wondering if anyone here had any
experiences to share, or another alternative that's better?
Thanks
Nick
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OT, I know, but anyone here got much experience with building motes,
especially low power (and cheap) ones?
Ta
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just thought I'd mention that!
Nick
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To post to this
ho also own Newark.
Mouser is owned by Berkshire Hathaway (CEO Warren Buffett).
Nick
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[url]http://www.designspark.com/eng/page/mechanical[/url]
Nick
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T
2 x 6 is good
0.3" between the rows and 0.1" between the pins on the rows and then you
can use a standard IC socket...
I agree with others re: mechanical stability - for larger tubes you need
some way to anchor them down.
Nick
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f the time.
Thoughts welcome!
Nick
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On Wednesday, 2 October 2013 15:55:46 UTC+1, AlexTsekenis wrote:
> Nick, thank you for the swift reply.
>
> I've scanned in p340, here <http://s23.postimg.org/t1sp4km0b/page196.jpg>.
> The book is the exact one in the reference.
>
> On this page Weston explains t
are subject to continual review anyway, so as
LED and other Hg-free technologies advance, RoHS have made it very clear
that the existing exemptions will be cancelled.
Nick
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Great stuff as always - well done!
Nick
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To post to this grou
when initially manufactured)
Nixies are not so expensive as to warrant a suicide mission inside
Chernobyl or anywhere else for that matter.
If I wasn't such a trusting person, I'd suspect that this was a troll :)
Nick
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Radiation exposure chart to put it all in perspective!
http://xkcd.com/radiation/
Nick
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Nuts to that !
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White-labelling across the whole valve/tube market was rife in all areas,
not just display tubes - there are some "manufacturers" in the audio world
who have never made anything themselves (maybe cardboard boxes). e.g.
Edicron.
Nick
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On Wednesday, 2 October 2013 14:29:24 UTC+1, AlexTsekenis wrote:
> Hi Nick,
>
> I am doing some experimental work on the subject of lifespan due to
> sputtering.
>
> Could you provide the full reference, including if possible a chapter or
> page number, for Weston's
mailing lists and is prepared to do a bit of
hackery & email exchanges with Google! & mail-archive etc., drop me a PM -
it would be good for the community and would be much appreciated.
Thanks
Nick
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mine !
Nick
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ller bulb, a
higher melting point glass is needed. The fact that quartz glass is used is
incidental.
Nick
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ounds explicitly tested for... ...
Nick
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To post to this g
aware that mercury (Hg) is
introduced for a similar reason, but a halogen may be safer (in today's H&S
climate) if it works at all...
I'm not a physical/inorganic chemist, so thoughts welcome
Nick
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eatly
So, I did some ad hoc tests in the dark using uranium glass balls (very
very low level of radiation - 10 - 15 microRems/hour) which showed some
minor increase in repeatability of firing at a given voltage. Its an
experiment I should have taken further.
Nick
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On Monday, 30 September 2013 04:05:22 UTC+1, Joseph Bento wrote:
> Here's a video of a guy getting really excited over the touch buttons:
>
>>
>>
Ummm. I thought that we were pretty sad liking cold-cathode stuff that
much, but I think that this guy need professiona
http://www.elexon.co.uk/wp-content/uploads/2012/07/BBC-Letter-John-Mottram-180712.pdf
Nick
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On Sunday, 22 September 2013 12:13:47 UTC+1, MrNixie (UK) wrote:
> CAUTION! "New" eBayer! Genuine photo, but genuine offer???
>
True - they have no feedback as a seller. The photo may be genuine as
Google Images can't find anything similar.
Caveat emptor !
Nick
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http://m.bbc.co.uk/news/magazine-24069881
Nick
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To post to
I know
it varies a lot), that means you may be dropping 70V @ 2mA = 140mW, enough
to warm the tube. Bigger tubes with more current produce correspondingly
more heat - I find bigger nixes often run at about 30C. CD47 has a drop of
90V @ 25mA = 2.5W.
Nick
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You received this message bec
Not on this group as far as I can see - He seems to be on Google group
https://groups.google.com/forum/#!forum/jye-tech-oscilloscopes as user "Andy
S." - you could send him PM...
HTH
Nick (Moderator)
On Tuesday, 20 August 2013 21:48:27 UTC+1, 67cuda1 wrote:
>
> I'm
irchild FAN7387 looks like a good candidate - FET bridge driver with
built-in oscillator - http://www.fairchildsemi.com/pf/FA/FAN7387.html -
very cheap, available in SO-8 or DIL8, drives 650mA directly, but requires
11V Vdd
Nick
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On Tuesday, 20 August 2013 09:48:47 UTC+1, Nick wrote:
> RS are no longer stocking it -
> http://uk.rs-online.com/web/p/vacuum-fluorescent-display-filament-drivers/6512515
> -
> marked as discontinued, and TI (the manufacturer) have also stopped selling
> & sampling the
9022
Nick
On Tuesday, 20 August 2013 00:39:50 UTC+1, jrehwin wrote:
>
> > Just thought I would give an update on my adventures with the VFD tube.
> I actually found this schematic online,
> http://www.mikrocontroller.net/attachment/41640/VFD_Schaltung_Auszug.pdf, and
>
EFORE GONE"
Sigh...
NIck
On Wednesday, 14 August 2013 23:50:03 UTC+1, Jon wrote:
>
>
> Ebay item 141037824096. Nice counter, but $1500 ? Really?
>
> Jon.
>
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