On Mon, Jan 17, 2011 at 12:29 PM, Nick wrote:
> I'm going to get one for the hell of it - nice to have something fully
> isolated
> in an HV environment (if it can stand the noise...)
>
Speaking of limited bandwidth, just build one of these into your next
nixie clock as a status window:
http:/
Just spotted on hackaday
http://www.tubeclockdb.com/forum/Builders-Forum/1280-Nixietherm-IN-9-bargraph-based-thermomer.html
-carl
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On Thu, Mar 31, 2011 at 3:20 PM, jb-electronics
wrote:
> Would it be possible to manufacture these in a much longer version with a
> larger diameter? I was just thinking - these things might make fascinating
> fake light sabers.
Sort of been done.
https://www.amazing1.com/plasma_fire_saber.htm
On Thu, Mar 31, 2011 at 3:56 PM, jb-electronics
wrote:
> Carl, that looks amazing!
>
>> Sort of been done.
>> https://www.amazing1.com/plasma_fire_saber.htm
>
> Well, the sound quality in the videos is terrible, but say you'd substitute
> the blade of a standard Hasbro fx lightsaber or so, this wo
Of possible interest. A lot of my clocks use the grid as a reference.
http://goo.gl/KhgtQ
carl
Henry Carl Ott N2RVQ hcarl...@gmail.com
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On Sat, Jun 25, 2011 at 5:11 PM, Instrument Resources of America
wrote:
> Hello John,
> YES!! I did read it , and for the life of me I can NOT figure out what
> the REAL TRUTH is behind doing this. My comment was meant to be past tense.
> Thanks, Ira.
>
I think it's a conspiracy by the quar
I think you could put a 32768 xtal, a trim cap, and an 8 pin AVR (my
preference) onto a very small pcb for about dollar or two.
The advantage of using a micro is that could also add a simple
calibrate function.
For people who like to solder. (but don't like to code).
http://www.8085projects.info
ose to that
currently existing via the mains then maybe we don't need temperature
& aging compensation.
Can anybody translate these charts into a PPM error figure?
http://www.leapsecond.com/pages/mains/
> On 28 June, 07:47, "H. Carl Ott" wrote:
>> I think you could p
On Tue, Jun 28, 2011 at 1:03 PM, neutron spin wrote:
> 32.768KHz has a nice property that it oscillates 2^15 times per second
> which makes the timer math easy..
A little trickier dividing 32768 down to 60hz though.
Anybody got a simple way to do that in a micro?
Going to have short and long cyc
I've used both Seeedstudio and Itead for prototype boards in the last
few months.
Had about 1/2 dozen different designs done.
Been very happy with the results from both.
Takes about 3 weeks to get the boards here in the states with the
cheap shipping. Itead seems just a bit faster. But could jus
coggs wrote:
>
> So what are Itead and seeedstudio in terms of $/sq in ?
>
If you can take optimal advantage of the 5x5cm 10pc deal, the price is
under .40 per sq inch.
But that's the best case scenario.
Dorkbot is closer to 1.66 square in. Which is still pretty good in
my book for the quali
> On Aug 15, 9:37 pm, Quixotic Nixotic
> wrote:
>> I found them while looking at their logic sniffer, which looks fairly
>> awesome to me, but what do I
>> know?http://www.seeedstudio.com/depot/open-workbench-logic-sniffer-p-612.h...
>>
>> What does the team think about either product?
On Tue,
http://youtu.be/84aWtseb2-4
(well I found it amusing)
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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On Tue, Jan 24, 2012 at 10:50 PM, David Forbes wrote:
> On 1/24/12 3:45 AM, dr pepper wrote:
>>
>> Oh es, thanks for the link John.
>> The problem with building a crystal oven is callibration, you need to
>> find out what temp the xtal needs to run at to produce exactly the
>> right freq.
>>
>
>
On Wed, Feb 22, 2012 at 12:02 AM, chuck richards wrote:
> I have a few questions about the Dallas/Maxim
> 32KHZN/DIP TCXO ics:
>
> Has anyone out there in nixieland had much long-term
> experience with these?
>
I had a couple of them that were just plain bad (way off frequency).
Admittedly thes
I'd like to see the schematic / design of a clock that 'eats' tubes.
Always lessons to be learned.
carl
Henry Carl Ott N2RVQ hcarl...@gmail.com
On Tue, Mar 6, 2012 at 2:36 AM, Terry Kennedy wrote:
> I have qty 13 of non-working (n
On Tue, May 22, 2012 at 7:52 AM, kay486 wrote:
>What i though was to have all the tubes arranged
> verically (or horizontally if you wish) so that every tube would represent
> single digit from the time, like HH MM SS and maybe even tenths of a second.
> The time would be determined by the height
Just stumbled across this one.
He gets extra points for the packaging.
http://youtu.be/h9mNPalq-4Q
carl
Henry Carl Ott N2RVQ hcarl...@gmail.com
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On Thu, Jul 19, 2012 at 12:41 AM, 5-ht wrote:
> See:
> http://breakfastny.com/2012/06/reactive-super-speed-electromagnet-dot-display-per/#content
>
> It's a 23' by 12' display that's real time interactive.
> I hope to see this in person next week.
> Mark
I went by that street corner the other nig
On Sat, Jul 28, 2012 at 7:20 AM, Dekatron42 wrote:
> Hi all,
>
> I am searching for a fast, cheap and good PCB manufacturer (if they exist ;)
> ) for very small series and/or single PCBs and I need your help for
> recommendations of such services.
>
I've had very good experiences with all of the
Just saw this guy on a blog. It's adorable.
http://store.akafugu.jp/products/42
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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To post
One simple thing you can do is drive it from two mcu pins out of phase. You
get twice the peak to peak voltage that way.
As mentioned, it helps a lot to dive at resonance.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Tue, Jan 15,
Now that, is pretty neat.
On Sun, Jul 7, 2019, 3:15 PM Nicholas Stock wrote:
> they’d put a red filter on them???
>
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I did a clock like that a while ago,
The round ZM1022s work much better with the circular motif than the tubes I
used.
It also did not occur to me to use a top plate.
Your design came out looking terrific.
The fun part is all the things you can do with the outer ring of neons.
Various ways to
Oh yeah, I did my share of led ring clocks too.
You can see one of them here. You can get some nice effects with leds.
https://youtu.be/hhEmFjQgK8Y
But I also really like the neon glow.
More of that here.
https://youtu.be/Luvib5Qwq80
I was going for that liquid bubble light look you see on so
Yep, the background of that video shows the disaster area/superfund site
that I call my shop.
And the first (and subsequent) versions of the mod-six were born there
many many years ago.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On
Hi Richard,
Could you go into some detail on how your "HV control" signal operates?
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Sat, Nov 23, 2019 at 1:10 AM Kevin A.
wrote:
> Glad to hear you're making progress. Interesting tha
I carry one of those cheap "ARC" cigarette lighters to test any tubes I
find at hamfests. And to burn random things (mostly my eyeballs from the
raw UV). because I don't smoke.
Nixes are scarce at hamfests, but you do spot the occasional one hiding
in some old piece of test gear or a scrap PCB
Silicon carbide ? Or calcium carbide?
I still have a blue can of it around from 30 years ago when they sold it as
camping supplies.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Wed, Aug 19, 2020 at 4:10 PM GastonP wrote:
> It l
y Carl Ott N2RVQhcarl...@gmail.com
On Wed, Aug 19, 2020 at 5:23 PM Mac Doktor wrote:
>
> On Aug 19, 2020, at 4:26 PM, H. Carl Ott wrote:
>
>
> Silicon carbide ? Or calcium carbide?
>
> I still have a blue can of it around from 30 years ago when they sold it
> as
Cat6 is also available shielded. Just don't pull any current through the
shield.
On Monday, October 5, 2020 at 7:12:31 PM UTC-4 gregebert wrote:
> 2 meters of cat6 cable (AGW 23) is about 0.16 ohms, plus any connectors.
> Since you are drawing 300mA or less, the voltage drop will be 50mV or l
On Thu, Oct 22, 2020, 12:13 AM gregebert wrote:
> Has anyone tried surgical glasses ?
>
I use surgical (dental}) loupes for 90% of my smd work. They are good if
you have the right working distance. I could not justify the money for some
nice zeiss loupes, so I bought some cheap Chinese ones. Th
https://hackaday.com/2020/10/26/the-art-of-nixies-hack-chat/
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To view this
http://hparchive.com/wallpaper
With quite a few nixes in use.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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No idea if it is related to cathode "poisoning". But yeah. Seen this effect
on a lot of older russion tubes that have been sitting for decades.
Especially seen it on IN-9s and less so on IN-13s. Used to have to "burn"
then in at elevated currents for a while before they'd behave.
Note that it did
I'm very tempted to order in one of these just to see how many of the
plastic frame pieces arrive intact, and not shattered.
If you do order one, pay the extra few bucks and avoid having to solder all
those WS2812Bs. Unless you are into that sort of thing.
carl
-
Some of the gents from the local Antique Radio group certainly collect CRTs.
Here's a pic from a swap meets back in 2019.
https://photos.app.goo.gl/cXshNfrrEXGtBgkj8
These older sets have given me ideas for possible future clock designs.
carl
-
Round clocks are great.
You can have a lot of fun with those ring neons.
https://www.youtube.com/watch?v=W0nR3gci1LI
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Mon, Feb 8, 2021 at 7:39 AM Roman H. wrote:
> it's a two-layer pc
Well, it's not a nixie. Or even 7 segments for that matter.
But it's kinda unique, and possibly of use to someone.
http://www.adafruit.com/products/1383
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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You received this message beca
I like it when they use some stock Nixie clock photos to accompany these
pop-sci articles.
http://gizmodo.com/hyper-precise-new-clock-could-redefine-the-length-of-a-720920623
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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You rec
wrote:
> No plans to integrate an optical lattice clock into the MOD_6 then Carl?
> ;-)
>
>
> On Tue, Jul 9, 2013 at 1:16 PM, H. Carl Ott wrote:
>
>> I like it when they use some stock Nixie clock photos to accompany these
>> pop-sci articles.
>>
>>
>
Ah yes, Mojo Nixon.
Saw him and Skid Roper play live in Manhattan back in the 80's. Loads of
crude fun. Burn down the mall indeed.
That is a nice dekatron kit. Glad I scarfed one up early this morning
-carl
carl
Henry Carl Ott N2R
After doing a couple of designs with in-9 and in-13s, I consider 2% pretty
miraculous.
Nice work.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Tue, Jul 30, 2013 at 8:36 AM, AlexTsekenis wrote:
> Minor correction to previous post
day, July 10, 2013 5:36:47 AM UTC+9, H. Carl Ott wrote:
>
>> Well see, maybe when they shrink them down to chip scale. I'm finding
>> the DS3232 to be a bit on the large size these days.
>>
>>
>>
carl
Also, note that Digikey has no minimum order, no handling fee, and a $2.92
1st class USPS shipping option for small (under 8oz) orders.
Great if you just need a couple of parts (and live in the US).
carl
Henry Carl Ott N2RVQhcarl...
Itead and seedstudio are both pretty darn good. I've used them both a few
times with no issues. Quality is good, but not great.
Don't push the design limits posted on their submission pages. They may say
6/6 rules, but you have a much better chance of getting problem free boards
back if you don't
https://electronicmercenary.wordpress.com/2014/01/04/nixieifime/
If you don't mind having 200 volts wrapped around your neck, but I guess it
could double as an AED.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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You received this m
A few more.
http://www.rexim.com/pages/neon.html
But nothing really that small.
That 200v strike was probably something special order just for use in
flash circuits to let the user know the cap was charged.
carl
Henry Carl Ott N2RVQ
http://www.ebay.com/itm/271584824613
Would make a nice clock, but I think nixies make less noise when changing
state.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
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On Sun, Sep 7, 2014 at 12:53 PM, jb-electronics wrote:
> Hi folks,
>
> I want to adjust the output voltage of the Taylor Edge HVPS 1363 [1]
> digitally via a microcontroller. I drive the HVPS with 12V to have maximum
> output current.
>
> I know that I could just select the voltage with a couple
At least they spelled your name right.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Tue, Mar 3, 2015 at 10:34 AM, David Forbes wrote:
> http://www.glow-electro.com/nixie-watch.html
>
> --
> David Forbes, Tucson AZ
>
> --
> You rec
Canal Street (and TriBeCa) in NYC used to be surplus nirvana. But that was
many years ago. All the really good scrap stores have closed up shop.
My dad used to take me and my brother there all the time when I was a kid.
Then I worked at Trans-Am Electronics on Canal St when I was a teenager
back
The RPTR-NEX only has the one radio on board that can talk to the clock. It's
not Bluetooth or wifi. So the system is self contained for now and can't talk
to phones or other wireless devices.
There is a simple way to update the Firmware on the RPTR-NEX via USB, so we can
make customized word
There is a Menu Config option for "Dirty" words.
Its default is off.
We'll hopefully be posting an updated user manual soon.
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On Tue, Sep 1, 2015 at 1:34 PM, Mitch wrote:
>
> And I have a question - For the IN-18 version, would it be better to
> connect all three HV5530s to the processor using separate data, latch, and
> clock lines? The processor does have enough spare pins and the code changes
> are trivial.
>
> Mitch
Happy New Year folks! Hope everybody had a great evening.
Woke up on the first day of 2016 to a leap year bug on the RPTR-NEX.
It's adding a day to the current date, the bug does not affect the time
displayed.
We'll roll out an official firmware update and instructions in a bit after
we test pr
Wonderful work.
Thanks for sharing!
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I'm not 100% sure, and I wrote the code. lol,
But really.
We convert the time info in the GPS NMEA sentence to a 32 bit elapsed
seconds count from an epoch date. This is what gets transmitted via the
RPTR radio link.
So.
Dec 31, 23:59:60
Jan 1, 00:00:00
Should both display the same (as Jan
On Tue, Mar 14, 2017 at 8:52 AM, John Rehwinkel wrote:
> We declined, but I assume some gear like that surfaces at equipment
> auctions occasionally. Maybe I should bring my counter to hamfests?
>
I always bring a pocket geiger counter to the hamfests I attend.
So far It's mostly been radiu
My last random ebay Russian nixie order was placed on March 3rd of this
year, and it was on my doorstep March 23rd, Pretty good from Moscow to NYC.
And I too have some NOS IN-14s with long leads if you are really in a
pinch.
carl
Henry Ca
If you can't find a closer supplier, I have some spare NOS SP-336s that I
can let go. I'd have to ship from the US.
If interested, contact me off list with the quantities you are looking
for.
carl
Henry Carl Ott N2RVQhcarl...@gmail
I had a Seek thermal module for my phone. Worked fine. And reasonably
priced.
An incredibly useful diagnostic tool for working around electronics.
After seeing just how useful, I upgraded to a hacked FLIR E4.
I use it all the time.
carl
--
On Jan 16, 2018 1:53 PM, "gregebert" wrote:
How noisy are these displays ?
Years ago I had a flip-type digital clock (100% mechanical), *without a
case* , and it was somewhat annoying when I was trying to fall asleep.
Pretty darn noisy. Years ago I did a clock design with some of these
displa
They make mini UPSs. You sometimes see them cheap on clearance.
http://a.co/d/4QtorbJ
Quick and dirty.
No idea how your time keeping would suffer running on that.
But a back up battery circuit and a diode to 'OR" the power to just your
clock's logic and an xtal time source would be the preferred
I've been curious about those cheap DS3231 chips on ebay for a while.
Ordered some in to test, but never got around to it.
This fellow does an interesting write up for anyone interested.
https://blog.heypete.com/2017/07/29/a-look-inside-the-ds3231-real-time-clock/
carl
-
Could wait for a Dutchtronix.
http://www.dutchtronix.com/ScopeClockH3-1-Enhanced.htm
I have a kit on the shelf, but never got around to assembling it, so can't
directly recommend it.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On F
ps I’ll PM the author.
>
>
>
> Thanks again, Bill
>
>
>
> *From:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] *On
> Behalf Of *H. Carl Ott
> *Sent:* Friday, September 14, 2018 12:58 PM
> *To:* neonixie-l@googlegroups.com
> *Subject:* Re: [neonixi
This is an area that can use some optimization,
I bit banged the 96 bits I needed on the atmega168.
I think it was actually faster than the spi hardware, and I could use any
GPIO pin i wanted.
On a more modern processor using the SPI HW with DMA or fifo would almost
certainly be better.
I did it
On Thu, Apr 15, 2021 at 3:04 PM newxito wrote:
> Another interesting clock...
>
> https://hackaday.io/project/169664-sequino
OK, that is quite clever.
I just had to find a video of the sequino in action:
https://www.youtube.com/watch?v=6jpsiIsMG8U
> Nick schrieb am Mittwoch,
Nice,
Very well done.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Wed, Dec 22, 2021 at 11:09 PM Kevin A.
wrote:
> Hi all,
>
> Since discovering the joy of nixie tubes a few years ago, I have learned a
> tremendous amount from no
It is a supercap and not a battery, so hopefully it will never need to be
changed.
>From the data sheet:
• Unlike batteries, the number of charging/ discharging cycles unlimited
and rapid charging/ discharging is possible.
carl
Henry Ca
Just one observation from when I built a one-off flip clock years ago using
some salvaged vane displays.
Just be aware of the mechanical noise associated with these things.
The sound from the flips can be pretty mesmerizing (like falling
dominoes) and part of their appeal, unless you are try
He's a ham radio operator, and many years ago bought some vintage gear from
a buddy of mine on ebay.
So I'd wager he has some nixies around.
carl
Henry Carl Ott N2RVQhcarl...@gmail.com
On Wed, Jan 3, 2024 at 10:08 PM MichaelB wrote
Backstory:
https://www.reddit.com/r/nixie/comments/1ako4k3/i_recently_inherited_two_boxes_of_burroughs_b7971/
carl (no affiliation)
Henry Carl Ott N2RVQhcarl...@gmail.com
On Wed, Feb 7, 2024 at 11:47 AM Nicholas Stock wrote:
> That
hcarl...@gmail.com
On Wed, Feb 7, 2024 at 12:36 PM Nicholas Stock wrote:
> Thanks Carl.
>
> My wife's nightmare is that I croak early and she's left with figuring out
> what to do with my hoard...
>
> Thanks for the plug Paul :)
>
>
>
> On Wed, F
Hi Jon,
Sorry you are having difficulties. Sometimes wifi can be troublesome.
Take a look at the user manual section on how to access the recovery
menu.
The CLRNET entry will wipe the wifi configuration entirely.
You should then be able to use your phone to set up the wifi ju
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