Also, I have a discussion going on in the Arduino forums, since I also
think this is a good place for such a discussion:
https://forum.arduino.cc/index.php?topic=571891.0
On Friday, October 5, 2018 at 3:48:33 PM UTC-4, gregebert wrote:
>
> I'm starting a separate thread on this topic that was
(PIN_DATA, LOW);
// Clock in the LOW 128 times
for (uint8_t i = 0; i < 128; i++)
{
digitalWrite(PIN_CLK, LOW); // Clock in one data bit
digitalWrite(PIN_CLK, HIGH);
}
}
On Sunday, October 7, 2018 at 8:13:46 PM UTC-4, Kevin A. wrote:
>
> Also, I have a discussion going
On a rarity basis, perhaps not. But at least I know they're going to a good
home, and in exchange I will get what I originally wanted. Perhaps I might
cross paths with a few more next paycheck...
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This is a simple power supply I'm devising for a pair of Nimo's. 12 Volts
in main power, HV power supply, NTC thermistor "damped" voltage divider
circuit from 12V to produce 1V @ around 200ma for each tube filament. Just
a quick sketch, think this would work well without being TOO complicated
*That would be 12 Volts DC in.
On Tuesday, October 23, 2018 at 12:26:02 AM UTC-4, Kevin A. wrote:
>
> This is a simple power supply I'm devising for a pair of Nimo's. 12 Volts
> in main power, HV power supply, NTC thermistor "damped" voltage divider
> circuit from 12V
I like the discussion here. I'm working on a 2 Nimo clock w/VFD for myself, and
a 6 tube clock for a friend. I'd like to add that I found these power supplies
which are really small and quite trick for a low profile nimo design, needing
between 1500-2000 vdc. They aren't cheap, but it's the
Thats got to be the fastest $3200 anyone has ever made!
On Wednesday, October 17, 2018 at 6:10:29 AM UTC-4, Pramanicin wrote:
>
> Get ‘em while you can! Not my auction etc etc...
>
>
> Look at this on eBay
> Rare NOS IEE NIMO Digital Readout CRT Vacuum Tube - 32 Available
>
Hi guys,
I'd like to put a feeler out; I'm looking to buy a B8091 or NL8091 tube, low
hour or NOS. Willing to pay up to $200 USD for a NOS tube. Also, if anyone has
a larger 7094 tube and wants to turn it into $$$, let me know. Thanks!
Kevin
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Hi everyone,
My name is Kevin, and I've recently developed a nixie obsession. This seems
like the place to be for those who are obsessed with all kinds of glowing
tubes!
Also, I'm currently working on a project to make a 10 digit display from
NL840 tubes, with dots and a plus/minus NL843 tube
I forgot to add that two details not visible in my PCB are that the
polarity (POL) line on the HV5530's is pulled high, and the blank lines
(BL) are connected to the microcontroller on a PWN pin, as defined in the
code.
On Thursday, October 4, 2018 at 10:04:07 PM UTC-4, Kevin A. wrote:
>
&
Thanks Paul. I'll give SPI a shot tonight and play around with the different
modes. Thank you
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If I had to fix this, I would try taping the tube to a piece of wood and
knocking the wood against a hard surface. This way you can still transmit a
shock to the tube without directly smacking the glass.
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I wish there were some images of the goods on his site...
On Tue, Jan 15, 2019, 9:17 AM Jiří
>
> Dne středa 22. února 2017 13:42:02 UTC+1 Ian Sparkes napsal(a):
>>
>> There's some guy called Andre offering a number of CD47 tubes here:
>>
>>
>>
Haha what are the chances! 6 brand new ones..
On Mon, Jan 14, 2019, 1:28 PM Nicholas Stock
> https://www.ebay.com/itm/NATIONAL-ELECTRONICS-NL-5441-A-NL5441A-RQANS2-/233094079525?&_trksid=p2056016.l4276
>
> As if by magic! Not my listing etc etc
>
> Nick
>
> On Thu, Jan 10, 2019 at 3:58 AM
Nice work. K155ID1 is a very large chip however.
Check out the microchip hv5523.
Very small high voltage serial to parallel converter (qfn-44 package). 32
high voltage outputs.
You can try making a watch with this, very small using the same drive
technique (shift register)
On Wed, Jan 23,
That's gonna be a hard sell at $350
I think $250 and he would actually move them. I think the guy has had them
up a few times before on and off
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Was the theif caught?
On Wed, Jan 9, 2019, 10:26 AM Robert Hume So... I suffered a home theft and one of the stolen items was a custom
> made device that used 6 nixie tubes.
> While the device was recovered, all of the tubes themselves had been
> broken. :(
>
> It used (6) NL5441A tubes. I
(likely russia). Several nixie watches on ebay contain these very guts:
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F143080944522
I'll upload some pics of my watch shortly
On Sat, Jan 26, 2019, 10:38 PM Kevin A. The guts are pretty popular for this watch
The guts are pretty popular for this watch. Several nixie watches use this same
circuitry with z5900m tubes (the same pictured in this watch). I own one of
these types of watches and have some pictures of the inside. No name or
markings on the pcb, but I suspect they originate from eastern
I would also recommend tayloredge for arduino type clock projects. He makes
a variety of "smart sockets" for all kinds of nixies which are I2C
addressable; perfect for microcontroller based builds:
https://www.tayloredge.com/storefront/index.html
On Sat, Jan 26, 2019, 4:09 PM Ron Walsh Looking
Any more pics/info on that clock? Looks like a nice little design.
On Tue, Apr 2, 2019, 5:59 AM Paul Andrews wrote:
> This is one of my clicks running a NL8091, which has the same pinout. For
> the 7094 I just change the anode redistor, which is part of the socket.
>
> --
> You received this
il 2, 2019 at 9:57:13 AM UTC-4, Kevin A. wrote:
>>
>> Any more pics/info on that clock? Looks like a nice little design.
>>
>> On Tue, Apr 2, 2019, 5:59 AM Paul Andrews wrote:
>>
>>> This is one of my clicks running a NL8091, which has the same pinout.
&
While inflation and supply (or lack thereof) are reasons for price
increases, a lot of it is a handful of sellers trying to fix the market
(especially with regards to recent 7971 auctions). Take a look at the 2
tube auction currently underway. 0 feedback seller, same 6 feedback bidders
as previous
I'm getting the impression that the same 3 people keep cooking their own
auctions on 7971s. Remember the 10 that sold in pairs on the display boards
late last year? Several auctions have popped up on what appear to be the
same tubes. Moreover, the same low feedback accounts keep bidding up every
I'll have him try that next. Should be easy to do since the software
provides a segment test routine.
On Sun, Mar 24, 2019, 2:55 PM Thomas Kummer wrote:
> Does it do it when a particular cathode, or number is attempted to be lit?
>
> Sent from my iPhone
>
> On Mar 24, 2019,
Here are some odd Burroughs symbol tubes I found on ebay;
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F252453265409
On Sat, Mar 23, 2019, 6:50 PM Mac Doktor wrote:
>
> > On Mar 23, 2019, at 6:17 PM, SWISSNIXIE - Jonathan F. <
> jfrech...@gmail.com> wrote:
> >
Yup, the same tube does the same thing when in a different position.
On Sun, Mar 24, 2019, 2:34 PM Nicholas Stock wrote:
> If you move the tube to a different position does it do the same thing?
>
> Sent from my iPhone
>
> On Mar 24, 2019, at 10:44, Kevin A. wrote:
>
&
again. It doesn't appear to
be out gassed, but maybe there is a strange short in it somewhere?
Any suggestions would be appreciated.
Thanks,
Kevin
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Haha that would complete the holy trinity indeed! I just wish more tubes
were available at lower prices; everyone should be allowed to enjoy art
like this.
On Fri, Mar 22, 2019, 11:07 PM Bill Notfaded wrote:
> Is that a B-8971 clock... Wow that's sweet. I guess you need a B-5971
> baby one
Totally mental. At this rate, might be worth trying to make a new 7971
dalibor style.
On Wed, Apr 3, 2019, 11:24 PM Nicholas Stock wrote:
> Really folks? $530 for two tubes???
>
>
> Look at this on eBay
> 2 Nixie Tubes Burroughs B-7971 Alphanumeric 15-segment retro
>
I would say the HV5530 is the best all around driver nixie IC. It comes in
a 44 lead quad flat pack or J lead plcc, the latter of which can be placed
in a plastic socket that is thru-hole soldered onto the board. It is driven
like a regular shift register (like the 74HC595). Shift in 32 bits, each
Thanks Mike! That's a good idea; all about the little details right?
On Sat, Apr 6, 2019, 10:58 AM MichaelB wrote:
> Kevin, Like the look of the beefy Acrylic base! Maybe some sexy little cap
> nuts on top of those studs?
>
> On Friday, April 5, 2019 at 7:41:10 PM UTC-7, Ke
9, 4:55 PM Kevin A. wrote:
> Having searched extensively, I dont believe any implementation of 5971
> circuits have been published online. Looks like someone has to make one!
>
> On Mon, Apr 1, 2019, 4:07 PM Thomas Kummer
> wrote:
>
>> I impulsively bought (6) 5971’s I
Having searched extensively, I dont believe any implementation of 5971
circuits have been published online. Looks like someone has to make one!
On Mon, Apr 1, 2019, 4:07 PM Thomas Kummer wrote:
> I impulsively bought (6) 5971’s I have no idea how to use the smart
> socket. Does anyone know of a
Really?!
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F113710777049
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l of these and I really need the
> money
>
> On Sunday, April 7, 2019 at 7:26:47 AM UTC-7, Kevin A. wrote:
>>
>> Really?!
>>
>>
>> https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F113710777049
>>
> --
> You received this m
I emailed Jan a few weeks ago about those. All gone!
On Mon, Apr 8, 2019, 10:32 AM Tony wrote:
> Ask Jan has 5971s up for $16 each - or did have until probably 5
> minutes after your post...
>
> On Mon, 8 Apr 2019 07:24:42 -0700, you wrote:
>
> >Another unbelievably expensive set of tubes
>
t;> Sent from my iPhone
>>
>> On Apr 7, 2019, at 16:10, Nicholas Stock wrote:
>>
>> Holy S&*t.
>>
>> On Sun, Apr 7, 2019 at 1:08 PM Kevin A.
>> wrote:
>>
>>> It sold. Wow
>>>
>>> On Sun, Apr 7, 2019, 10:26
.
But we all know that money talks at the end of the day...
On Mon, Apr 8, 2019, 9:59 AM Michail Wilson wrote:
> Kevin,
>
>
>
> I couldn’t help myself. If the bubble is going to persist, then I decided
> to jump in.
>
>
>
> That first auction is mine.
>
>
&g
Hi all,
Since it is relevant, I'd like to share a short video I made of my latest nixie
clock project using (6) 7971 tubes. Enjoy!
https://youtu.be/jd8zp5yjdWA
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The holding force is pretty snug. I think the 7971 has a pretty strong base
but it's always important to be careful and insert a tube with straight
pins slowly. I gyrate the tube slightly while gently inserting to give all
the pins a chance to line up. Then I push it straight in without worrying
; Bill
>
> On Sunday, February 24, 2019 at 9:41:31 AM UTC-7, Kevin A. wrote:
>>
>> Hi all,
>>
>> Since it is relevant, I'd like to share a short video I made of my latest
>> nixie clock project using (6) 7971 tubes. Enjoy!
>>
>> https://youtu.be/jd
https://www.tayloredge.com/storefront/1386_B7971SmartSocket/index.html
You can buy these smart sockets individually. They are pretty well
documented and should be simple to set up with a microcontroller like your
arduino.
On Wed, Feb 6, 2019, 9:56 AM MarekB Hi,
> I'm looking for one tube B7971
I just pledged for 1 tube.
Interested to see where this goes, and if he delivers or not.
When/if I get it I'll be sure to share the details with everyone!
On Sat, Feb 9, 2019, 2:10 PM Alic Dalibor’s tube is the cheapest in that digit size category.
> Millclock’s tube is expensive compared to
I would be dubious about the 15 year warranty, but we'll see how responsive he
is as far as customer support. I'd like to be optimistic and think that most
people who are into nixies are because they like nixie tubes and not because
they are out to scam people in a boutique market.
--
You
I guess we'll find out how well this was implemented. From what I can tell
the pinout on the tube looks like a Male 1mm DIP arrangement with a
standard 2.54mm pitch.
On Sun, Feb 10, 2019, 6:45 PM Jeff Walton I'd be OK with a smart socket but not built-in to a $100 nixie...
>
> Jeff
>
>
If you're using IN8s I would suggest searching for some fine grid tubes; I
think that would add to the look overall. Nice work!
On Mon, Feb 4, 2019, 5:27 PM Oyvind Idland Thanks!
>
> I have certainly thought about making kits. However, most of the
> components are SMD, so I guess it's not for
That could be mercury condensate. I've seen it on a few JAN (mil
spec/extended life) nixies I have; mercury is used to greatly reduce
cathode poisoning.
On Wed, Apr 10, 2019, 7:42 PM alex nolan
wrote:
> Hey all,
>
> Has anyone seen a tube with the inner glass covered in silver spots inside
>
If you could take some pictures that would be helpful.
On Wed, Apr 10, 2019, 9:28 PM alex nolan
wrote:
> This is a nixie tube, specifically a B-5441. It looks like there is some
> trouble getting the cathodes to fully light and it is missing the blue haze
> around numerals that other B-5441s
Talk about outrageous. Someone should lowball him. $400. Because that's
what it's actually worth (just the tubes).
On Mon, Apr 15, 2019, 10:02 AM Bill Notfaded wrote:
> I don't know what the deal with this price is??? You've got to be kidding.
>
>
Maybe the high voltage supply is tapped out; just not enough current for
all 4 tubes at once. Or the high voltage is a bit low and causing
inconsistent ionization across tubes. It could also be a combination of
both where the power supply voltage drops when the tubes are brought up,
and the last
I doubt they will sell. If the asking price was low $200s or high $100s
with a best offer option, he could probably sell for $140-$170 a tube and
do so quickly.
He can take his $260 + shipping 7971s to the afterlife as far as I'm
concerned.
On Tue, Apr 16, 2019, 10:29 AM Jasper C. wrote:
>
oltage, they seem fine.
>
>
>
> Michail
>
>
>
> *From:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] *On
> Behalf Of *Kevin A.
> *Sent:* Monday, April 15, 2019 7:55 PM
> *To:* neonixie-l
> *Subject:* Re: [neonixie-l] While we're talking
-electronics
wrote:
> I am sure if you had a stack of 36 of these new (!) tubes you would be
> giving them away for $50 a piece ;-)
>
> Jens
>
> On 2019-04-16 10:16 a.m., Kevin A. wrote:
>
> Haha well he can post for $1,000,000 a tube; doesnt mean anyone is going
> to b
say the same thing to the guy
> that will post for $500 a tube and tell yourself…. I should have bought
> when it was only $260. J
>
>
>
> Michail
>
>
>
> *From:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] *On
> Behalf Of *Kevin A.
>
are still out there
> folks!
>
> Sent from my iPhone
>
>
> On Apr 16, 2019, at 09:45, jb-electronics
> wrote:
>
> I am sure if you had a stack of 36 of these new (!) tubes you would be
> giving them away for $50 a piece ;-)
>
>
>
> Jens
>
>
>
> On
Hi Michael,
I accept your offer of $300 shipped for the (6) Z5660M + (1) Z5670M + (7)
sockets.
The IN-18s sold just 30 minutes before!
Please PM me with your PayPal email and I can send you an invoice.
Thanks,
Kevin
On Sat, Apr 13, 2019 at 7:46 PM Michail Wilson wrote:
> Kevin,
>
>
Thanks Jens! I used my phone to record, Samsung S9+
On Sat, May 25, 2019, 12:16 PM jb-electronics
wrote:
> Great video, Kevin! May I ask what video camera you use?
>
> Best wishes
> Jens
>
> On 2019-05-25 8:29 a.m., Kevin A. wrote:
>
> Hi all,
>
> I received the ne
Adam Jacobs wrote:
> I think they are IN-8. I have a clock made with them right next to my
> television and it was a nice coincidence.
> -w7qi
>
> On Fri, Jun 7, 2019, 2:09 PM Kevin A.
> wrote:
>
>> I've been watching the HBO miniseries about Chernobyl (which is very
>>
I would rather buy Dalibor's tubes if I wanted to get 5680s and support
him, rather than some greedy ebayer.
On Sat, Jun 8, 2019, 9:01 PM martin martin wrote:
>
> https://www.ebay.com/itm/NIXIE-TUBE-CLOCK-RARE-INDIKATORS-Z5680M-HANDMADE/163723699102?hash=item261eb1639e:g:CIgAAOSwIdlc2Ti2
>
>
Drinking?
More like smoking, injecting, or dissolving under the tongue!
On Thu, May 9, 2019, 8:16 PM 'Greg P' via neonixie-l <
neonixie-l@googlegroups.com> wrote:
> I want some of what this guy is drinking.
>
>
>
It would probably be faster to make your own than to wait for any of those
to pop up for sale.
On Mon, May 20, 2019, 10:17 PM Mahdi Al Husseini
wrote:
> I know this quite the long shot, but does anyone have or know someone who
> owns FR9020s by CRF? Gorgeous tubes, looking to buy.
>
> These:
>
You could also ask Dalibor about buying some of his custom colon tubes ;)
On Sat, Apr 27, 2019, 12:25 PM martin martin wrote:
> There’s a guy from Hungary on eBay who sells really nice colon assembled
> in a nice tube.
>
> I’ll see if I can find the link
>
> On Sat, Apr 27, 2019 at 09:02
Price is outrageous. Like the other tubes he wants over twice as much. I
think 5-600 euro would've been realistic, but this guy is too greedy. It's
not a CD47...
On Sun, Apr 28, 2019, 9:01 AM Bill Notfaded wrote:
> Is you can find enough a clock will cost you almost 8 grand...
>
>
>
Exactly. This is analogous to any other sort of rare item collecting. Why
would somebody pay $48 million for a 1962 Ferrari 250 GTO? Not because
they're actually going to drive or enjoy it in a traditional sense. It's
just about one-upping all the other collectors. Personally I think it's
foolish,
Looks like more sellers juicing up their own auctions.
On Thu, Jun 27, 2019, 4:54 PM Nicholas Stock wrote:
> Have people really gone this mad?
>
>
>
He'll probably croak before he sells a single one.
On Thu, Jun 27, 2019, 11:39 PM 'Greg P' via neonixie-l <
neonixie-l@googlegroups.com> wrote:
> This guy is a complete flake. Looks like he's getting nervous no one has
> bitten on his price. I may bid a dollar for the hell of it.
>
> Just
I cant tell if the tubes are darkened or just dirty.
On Wed, Jun 26, 2019, 12:31 PM SWISSNIXIE - Jonathan F.
wrote:
> Spottet this on ebay, if anyone is interested:
>
>
> https://www.ebay.com/itm/NIXIE-GIANT-TUBE-3-IN-DIA-BURROUGHS-B8091-FULLY-TESTED-SET-OF-5/283528668460
> ?
>
> And not such a
Wow, thanks for sharing your experience. Would suck to pay big bucks just
to get stiffed by some guy who resorts to name calling.
On Wed, Jun 26, 2019, 12:42 PM 'Greg P' via neonixie-l <
neonixie-l@googlegroups.com> wrote:
> This seller has been fishing to sell these tubes for months. He posted
I would buy Dalibor's tubes before these. Similar digit size and I'd rather
support him.
On Wed, Jul 10, 2019, 3:32 PM martin martin wrote:
> He's from TX and those are large tubes.
> I think he should make it $300 for 6 of em so I can make another clock to
> put next to the 1/2" high little
Is this some kind of scam? The seller cancelling a paid order 2 minutes
after its been placed?
On Sun, Jul 14, 2019 at 11:41 AM Nicholas Stock wrote:
> He did what??
>
> Sent from my iPhone
>
> On Jul 14, 2019, at 08:34, Kevin A. wrote:
>
> A friend of mind tried bu
).
On Sun, Jul 14, 2019 at 11:41 AM Nicholas Stock wrote:
> He did what??
>
> Sent from my iPhone
>
> On Jul 14, 2019, at 08:34, Kevin A. wrote:
>
> A friend of mind tried buying 2 and the seller cancelled the order at the
> listed price of $200 and issued a refund.
>
What a gimmick. Only a true idiot, metro fan, and rich individual would
even consider such a proposition...
On Wed, Jul 3, 2019, 5:36 PM Dekatron42 wrote:
> Check this one out:
>
Are there any pictures of a full grid example?
On Sat, Jun 29, 2019, 1:58 PM Robert wrote:
> Yes there is a grid all round so you can see the digits from the rear
>
> Don’t know what the downside of this might be if any
>
> --
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Yeah you could drive the counter with a frequency generator circuit or
something similar to display time. If it works I would try to preserve the
originality of the whole unit!
Showing time could readily be accomplished with an ESP, Arduino, or similar
for 10 bucks in hardware.
What tube type
Definitely shilling. Over 50 bids, most of them the same low feedback
bidder. Another sleazeBay special!
On Sun, Apr 21, 2019, 12:18 PM Terry S wrote:
> Several low feedback bidders. Might be shilling
>
> On Sunday, April 21, 2019 at 9:47:27 AM UTC-5, Pramanicin wrote:
>>
>> More price
https://www.ebay.com/itm/IN-14-ultrarare-fine-grid-nixie-tubes-USSR-indicator-digit-for-DIY-clock-NOS/112087785078?hash=item1a18f3de76:g:ME0AAOSwbWZaZigZ
More "ultrarare" buffoonery...
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To
. I've bought a few things
> from him. Now he's got the greed disease...
>
> On Fri, Jun 28, 2019 at 9:15 PM Kevin A.
> wrote:
>
>>
>> https://www.ebay.com/itm/IN-14-ultrarare-fine-grid-nixie-tubes-USSR-indicator-digit-for-DIY-clock-NOS/112087785078?hash=item1a18f3de7
I would love to buy some of his tubes!
On Fri, Aug 2, 2019, 10:02 AM jb-electronics
wrote:
> Hey friends,
>
> I cannot believe I have missed out for so long, but check out this
> fellow here: https://twitter.com/yuna_digick
>
> A lot of seemingly very high quality "homemade" Nixie tubes! Quite
Thanks Nick! I'd like to do more if I could find the time.
On Sun, Aug 18, 2019, 11:57 AM Nicholas Stock wrote:
> That’s a really nice write up Kevin!
>
> Sent from my iPhone
>
> On Aug 17, 2019, at 22:18, Kevin A. wrote:
>
> Just wanted to share a nixie related proj
Just wanted to share a nixie related project I've been working on for a few
weeks now. I've got the boards ordered for my latest revision. Looking for
any feedback and to see if this interests anyone.
https://neonkev.com/2019/08/18/project-20-watt-high-voltage-boost-converter/
Since I got
I just published info about this design on my website including the
schematic, bill of materials, and a link to download the gerber artwork.
See:
https://neonkev.com/2019/09/06/10-watt-nixie-power-supply-for-mod-six-clock/
Remember, this board specifically is laid out for the clock I wanted to
of this module with their
clock, mainly for liability reasons and/or warrantying the MOD-SIX
electronics.
The design is open source as of now, so it is free to be explored by anyone
on his/her own accord.
Thanks,
Kevin
On Thursday, September 5, 2019 at 10:39:40 PM UTC-4, M1 wrote:
>
>
Let me see what I can do. I have some ideas about how a 40 watt version
would be possible without too many tweaks. I'll take a stab at that if
you're not in a rush.
On Fri, Sep 6, 2019, 4:22 PM Bill Notfaded wrote:
> So maybe two of your supplies then for 10 smartsockets? That's better
> than
never sent a package overseas, but I could certainly try! Hopefully
customs doesn't panick at the sight of mysterious circuit boards.
Thank you,
Kevin
On Sun, Sep 8, 2019, 11:43 PM Richard Scales
wrote:
> Please could you add me to the list of interested parties. I have some
> projects base
I see your point. For a clock that's running off of a decent quality wall
wart, I dont see the added complexity of undervoltage compensation being
necessary. If it were an automotive or battery powered application, sure.
On Tue, Sep 10, 2019, 12:20 PM gregebert wrote:
> Many nixie designs I've
Why not just use a TVS diode for input protection?
On Tue, Sep 10, 2019, 10:17 AM newxito wrote:
> I’m designing a new clock board and I would like to improve the input
> voltage protection. Until now I just have a fuse and a mosfet for reverse
> voltage protection.
>
> My favorite solution for
for
the specific application can also be adjusted by changing the current sense
resistor, as the TPS40211 is a current mode controller. Stay tuned!
On Saturday, September 7, 2019 at 4:28:52 AM UTC-4, Neil wrote:
>
> Very impressive write up Kevin. Like Bill, the first thing that came to
Wow. From the days when HP actually engineered high end products...
On Sun, Sep 15, 2019, 9:47 PM Bill Notfaded wrote:
> http://www.hpmuseum.net/display_item.php?hw=741
>
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Interesting video I found while digging around Japanese twitter on nixie
tube related posts: CD27's (BIG tubes) used in some sort of sign.
https://www.youtube.com/watch?time_continue=8=trU-UZBoL00
On Friday, August 2, 2019 at 10:02:28 AM UTC-4, Jens Boos wrote:
>
> Hey friends,
>
> I cannot
I would start by taking a look at the "Mod Six" 7971 clock by the team over
at badnixie.com. This has pretty much been *the *clock for 7971s, as it is
loaded with features and is by all means a professional quality product.
http://www.badnixie.com/MOD-SIX_Info_Page.html
Check out the assembly
Ahh they used IN-14s with the upside down 2!!!
On Fri, Aug 9, 2019, 9:20 PM Terry S wrote:
> New promo video for the RZR Pro XP.
>
> https://www.youtube.com/watch?time_continue=9=3uBf7jZZ_t4
>
> Terry
>
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For hot air rework, the Quick 861DW is the best value in my opinion (not
affiliated with quick). It competes with stations over twice the price. EEV
blog and Louos Rossman have reviews on it.
On Sat, Jul 20, 2019, 10:34 AM Paul Andrews wrote:
> I think 87.8% efficiency is great.
>
> As far as
hobbyists are still afraid of working
> with SMD components*. *I know I was until I discovered liquid flux pens
> on eBay.
>
>
>
>
> Sent from my iPhone
>
> On Jul 20, 2019, at 09:56, Kevin A. wrote:
>
> Very nice work with your kit. The curly wood finish is gorg
ole.i’m sure
> Pete does not want to deal with the inevitable messes some people will make
> with these.just my 2 cents.
>
> Sent from my iPhone
>
> On Jul 20, 2019, at 08:17, Kevin A. wrote:
>
> Nick,
>
> As far as I can tell, there are no two adjacent circui
Very nice!!! To pull off the electrical design, fab and integrate it into
an aesthetically pleasing watch design is no small feat.
My only criticism of the z5900m is the coarse anode. In my opinion the
previous style tube you used (Burroughs) with the fine mesh anode is much
nicer to look at. But
Just wanted to put a PSA out there for anyone planning on building a PV
electronics nixie clock kit.
I recieved my kit for an "elite" clock recently, and inspecting the tube driver
board revealed some poor soldering of the 44-QPF HV5622 drivers. One chip had a
solder bridge between two legs,
*Correction, 44 *QFP (Quad Flat Pack)*
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Wow. I was thinking that these would be really neat with a mirror or some
kind of rotating effect, where each tube spins with it's own slip ring as
the digits change.
On Thu, Jul 18, 2019, 3:12 PM Robert wrote:
> Full grid
>
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Wow! Good thing my save searches turned up nothing on this one. Damn
fleaBay!
On Tue, Jul 23, 2019, 7:36 PM 'Greg P' via neonixie-l <
neonixie-l@googlegroups.com> wrote:
> Good deal for someone. Hope it was someone here.
>
>
>
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