Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

You're right... I think it was a personal preference although I changed my 
mind again with the IN-12 version and placed the IN-15A  on the left side

Yohan Park schrieb am Sonntag, 16. April 2023 um 21:19:48 UTC+2:

> Why should the minus sign be on the right?
> There's no rule that says the numbers have to allign to the right side of 
> the display. Why not allign them to the left?
> So instead of displaying  -..1234 make it display -1234.. 
> (the dots represent non lit tubes).
>
> On Tuesday, October 27, 2020 at 3:08:48 PM UTC+1 newxito wrote:
> ...
> - And finally, the neon for the minus sign should be on the right :-)
>
>
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Yohan Park]

Why should the minus sign be on the right?
There's no rule that says the numbers have to allign to the right side of 
the display. Why not allign them to the left?
So instead of displaying  -..1234 make it display -1234.. 
(the dots represent non lit tubes).

On Tuesday, October 27, 2020 at 3:08:48 PM UTC+1 newxito wrote:
...
- And finally, the neon for the minus sign should be on the right :-)


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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[martin martin]

fab calc!



~
*mcvei...@gmail.com *


On Mon, Oct 3, 2022 at 6:55 AM Paul Andrews  wrote:

> That looks wonderful
>
> On Monday, October 3, 2022 at 3:58:58 AM UTC-4 newxito wrote:
>
>> No worries, this is a strictly limited edition, this thing is serial
>> number 1 of 1 :-)
>> I cheated a little bit; I just modified the original case and connected
>> the display part with a metal tube.
>>
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> 
> .
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Paul Andrews]

That looks wonderful

On Monday, October 3, 2022 at 3:58:58 AM UTC-4 newxito wrote:

> No worries, this is a strictly limited edition, this thing is serial 
> number 1 of 1 :-)
> I cheated a little bit; I just modified the original case and connected 
> the display part with a metal tube. 
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

I found that single custom key caps are very expensive. Since I made only a 
few of these calculators, I ordered complete sets with 104 custom key caps 
(for an entire keyboard) at WASD. 
The problem with that, is that these keys have different shapes (row 1-4) 
and sizes.
I you find a better solution, please let me know! 


MrNixie (UK) schrieb am Montag, 3. Oktober 2022 um 13:57:52 UTC+2:

> Hello, I have been thinking about having a stab at a nixie calculator 
> myself! My stumbling block was the keys (specifically, the key caps). What 
> is your source for these?
>
> On Monday, 3 October 2022 at 08:58:58 UTC+1 newxito wrote:
>
>> No worries, this is a strictly limited edition, this thing is serial 
>> number 1 of 1 :-)
>> I cheated a little bit; I just modified the original case and connected 
>> the display part with a metal tube. 
>>
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

['MrNixie (UK)' via neonixie-l]

Hello, I have been thinking about having a stab at a nixie calculator 
myself! My stumbling block was the keys (specifically, the key caps). What 
is your source for these?

On Monday, 3 October 2022 at 08:58:58 UTC+1 newxito wrote:

> No worries, this is a strictly limited edition, this thing is serial 
> number 1 of 1 :-)
> I cheated a little bit; I just modified the original case and connected 
> the display part with a metal tube. 
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Max Di Noi]

Just curious, what is the power of the high voltage power supply? I suppose you 
need 35mA but really at least 60mA to avoid any heating issues? 
 Original message From: Adrian Godwin  
Date: 03/10/2022  10:46  (GMT+00:00) To: neonixie-l@googlegroups.com Subject: 
Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function I 
used to work on Canon machines for my father's business in the '70s. They were 
mostly 12 or 14 digit.I wonder why they used so many digits in an era when they 
were so expensive ? 8 or maybe 10 seemed to be enough in the LED era.On Mon, 
Oct 3, 2022 at 9:39 AM Dave ZL3FJ <2c...@silverbears.nz> wrote:Good work-very 
space age looking.  But here’s a Burroughs original - all 16 digits of it….. 
from the 1960s, IIRC.DaveB, NZ From: neonixie-l@googlegroups.com 
[mailto:neonixie-l@googlegroups.com] On Behalf Of newxitoSent: Monday, October 
03, 2022 20:59To: neonixie-lSubject: Re: [neonixie-l] Re: 14-digit nixie 
calculator project with clock function No worries, this is a strictly limited 
edition, this thing is serial number 1 of 1 :-)I cheated a little bit; I just 
modified the original case and connected the display part with a metal tube. -- 
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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Adrian Godwin]

I used to work on Canon machines for my father's business in the '70s. They
were mostly 12 or 14 digit.
I wonder why they used so many digits in an era when they were so expensive
? 8 or maybe 10 seemed to be enough in the LED era.


On Mon, Oct 3, 2022 at 9:39 AM Dave ZL3FJ <2c...@silverbears.nz> wrote:

> Good work-very space age looking.
>
> But here’s a Burroughs original - all 16 digits of it….. from the 1960s,
> IIRC.
>
> DaveB, NZ
>
>
>
> *From:* neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] *On
> Behalf Of *newxito
> *Sent:* Monday, October 03, 2022 20:59
> *To:* neonixie-l
> *Subject:* Re: [neonixie-l] Re: 14-digit nixie calculator project with
> clock function
>
>
>
> No worries, this is a strictly limited edition, this thing is serial
> number 1 of 1 :-)
> I cheated a little bit; I just modified the original case and connected
> the display part with a metal tube.
>
> --
> You received this message because you are subscribed to the Google Groups
> "neonixie-l" group.
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> .
>
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>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

Prusaslicer has a feature called ironing. After a little bid of sanding the 
PLA top surfaces look quite ok.
There are also some pcb manufacturers that offer 3D printing with 
interesting prices and nice finish. 

> As for a display case, an easy choice might be one of those acrylic cases 
for a baseball bat.  
Thanks, Michail... that's plan B :-)

... the prototype case is still printing...

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Adrian Godwin]

I will be interested to see how that works out.

I have an old (aka obsolete) but fairly large resin printer, but the
materials I've used so far aren't very attractive as outer cases -
featureless grey or off-white. FDM is also poor : if you can make a feature
of the flaws, as with the shimmer effect of silk PLA then they can look
amazing, but even that would quickly tire if everything was made of it, and
the toolpath isn't always optimised for appearance.


On Sun, Oct 2, 2022 at 12:15 PM Bill Notfaded  wrote:

> I bought a new large format resin printer for making cases.
> https://www.elegoo.com/products/elegoo-jupiter-resin-3d-printer-6k-mono-msla-3d-printer
>
> I haven't started using it yet but I waited for months after buying it on
> Kickstarter at a big discount.
>
> Bill
>
> On Sat, Oct 1, 2022, 10:16 AM Michail Wilson  wrote:
>
>> Nice.
>>
>>
>>
>> Display both time and date.
>>
>>
>>
>> As for a display case, an easy choice might be one of those acrylic cases
>> for a baseball bat.  
>>
>>
>>
>> Michail Wilson
>>
>> 206-920-6312
>>
>>
>>
>> *From:* neonixie-l@googlegroups.com  *On
>> Behalf Of *newxito
>> *Sent:* Saturday, October 1, 2022 9:54 AM
>> *To:* neonixie-l 
>> *Subject:* Re: [neonixie-l] Re: 14-digit nixie calculator project with
>> clock function
>>
>>
>>
>> I still had some controllers and keyboards lying around so I decided to
>> make an IN-12A version of the calculator… 14 digits, of course :-)
>>
>> The display/driver board was easy to design but the big challenge now is
>> to create a case for this thing… first prototype is printing...
>>
>>
>>
>>
>>
>> --
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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

I uploaded a little video about the calculator. Go to 12:00 if you want to 
see a short test.
https://www.youtube.com/watch?v=KR2cea_1trw

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

I made the project available on github, but there is no way to build it. I 
used the AP63203WU-7 and AP63205WU-7 voltage regulators. They were new, 
cheap, easy to solder, and widely available. Now you have to wait until 
March 2023 to get one, just insane ...

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Audrey]

Nice, nice

On Wed, Jun 30, 2021, 1:40 PM newxito  wrote:

> Well, it's end of June…
>
> newxito schrieb am Sonntag, 16. Mai 2021 um 18:50:17 UTC+2:
>
>> If everything works as expected, I hope I will have the project ready to
>> share by end of June.
>>
>> https://github.com/axtar/14-digits-nixie-calculator
>>
>
>
> Unfortunately, I didn't have time to clean up the firmware. At least I
> managed to remove the network code. Anyway, I uploaded a first version so
> that the bare calculator functionality can be tested. I will continue to
> work on the firmware and merge the new settings part and the clock mode as
> soon as I have some time.
>
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> 
> .
>

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RE: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Michail Wilson]

Looking forward to it.

Michail Wilson
206-920-6312

From: neonixie-l@googlegroups.com  On Behalf Of 
newxito
Sent: Sunday, May 16, 2021 9:50 AM
To: neonixie-l 
Subject: [neonixie-l] Re: 14-digit nixie calculator project with clock function

In case anyone is still interested, there is some work in progress to make the 
project (IN-16 and IN-17 versions) available on github.

The original project was not suitable for sharing for various reasons. I’ 
currently assembling two new calculators to test the changes I have made to 
improve the project:

-  Smaller and simpler controller board with easy to solder parts. 
A hot air gun is no longer needed. Also, the HV part has been removed, so now 
you can use your favorite HV PSU (assuming it fits in the case and provides 
enough current for 14 nixies).

-  The keyboard circuit has been redesigned using a classic matrix 
with an ATmega328p instead of the HT16K33. It is now easier to detect 
simultaneous keystrokes, so more levels of functions can be added to the 
keyboard

-  The display boards have been completely redesigned to use socket 
boards for the nixies. That should fix the biggest issue with the old design. 
It’s now a lot easier to replace a broken tube
(see the only document I have uploaded so far, so you can get a first 
impression)

-  Major firmware changes in progress. All the settings can now be 
adjusted using the keyboard, a network connection is no longer needed. 
Actually, I will completely remove the network code.

If everything works as expected, I hope I will have the project ready to share 
by end of June.

https://github.com/axtar/14-digits-nixie-calculator


newxito schrieb am Montag, 1. März 2021 um 23:14:21 UTC+1:
I’m cleaning up the firmware of the calculator and I have moved the code for 
the calculations to a small separate library.
Actually, I would like to learn how to build unit tests and that’s the ideal 
type of library to start with.
But I quickly found out that this is boring and not fun… so, no unit tests...
If someone is interested, here is the link :
https://github.com/axtar/NixieCalc

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Aiden Fang]

What a piece of art! 

On Wednesday, October 28, 2020 at 10:00:11 AM UTC-7 newxito wrote:

> I finally got the backlight working. There is a bug in the Neopixel 
> library when running on ESP32
>
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[David Forbes]

That's really cool! I have wanted to make a Nixie tube version of an HP-11
for years, but got stuck on the keyboard.
I have a box of +- tubes if you're interested.


On Mon, Oct 26, 2020, 3:59 PM newxito  wrote:

> The B-5870 calculator is now finished. In this version I made some minor
> changes to the case, added more keys and functions and there is now a RGB
> backlight.
> This is definitely the last version, the project got a little bit out of
> control :-)
>
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> https://groups.google.com/d/msgid/neonixie-l/025cd5e9-ba4a-4cc8-8bbb-1898194c8237n%40googlegroups.com
> 
> .
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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[martin martin]

I'm with Nicholas!  I need one also-



~
*mcvei...@gmail.com *


On Mon, Oct 26, 2020 at 4:03 PM Nicholas Stock  wrote:

> Amazing! I'd love to build one of these (as would many others I'm
> sure).any plans to open source or similar?
>
> On Mon, Oct 26, 2020 at 3:59 PM newxito  wrote:
>
>> The B-5870 calculator is now finished. In this version I made some minor
>> changes to the case, added more keys and functions and there is now a RGB
>> backlight.
>> This is definitely the last version, the project got a little bit out of
>> control :-)
>>
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>> .
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> .
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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Nicholas Stock]

Amazing! I'd love to build one of these (as would many others I'm
sure).any plans to open source or similar?

On Mon, Oct 26, 2020 at 3:59 PM newxito  wrote:

> The B-5870 calculator is now finished. In this version I made some minor
> changes to the case, added more keys and functions and there is now a RGB
> backlight.
> This is definitely the last version, the project got a little bit out of
> control :-)
>
> --
> You received this message because you are subscribed to the Google Groups
> "neonixie-l" group.
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> https://groups.google.com/d/msgid/neonixie-l/025cd5e9-ba4a-4cc8-8bbb-1898194c8237n%40googlegroups.com
> 
> .
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

No plans at all, sorry. I don't share or sell because I don't want to deal 
with open hardware licenses and liability issues. Perhaps one day one of 
the engineers on this forum may decide to create a professionally designed 
calculator kit. I have no idea if there is a demand for such a kit, 
apparently a Kickstarter project has already failed.

Norskman schrieb am Samstag, 24. Oktober 2020 um 21:34:33 UTC+2:

> If you use commonly found tubes – then this would be a great project ot 
> share / buy / sell /barter etc.
>
>  
>
> Whats the plan please? Is there a plan?
>
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Jack Buechler]

If you use commonly found tubes – then this would be a great project ot share / 
buy / sell /barter etc.

Whats the plan please? Is there a plan?



From:  on behalf of newxito 
Reply to: "neonixie-l@googlegroups.com" 
Date: Saturday, 24 October 2020 at 18:16
To: neonixie-l 
Subject: [neonixie-l] Re: 14-digit nixie calculator project with clock function

Currently working on the B-5870 version, all digits and decimal points work 
fine. I really like these nixies…
Any recommendation for the anode resistor value (170V)?
In the datasheet the anode resistor value is 7.5k, so I’m using 8.2k but not 
sure if that is too low.

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

These are some of the keycaps for the 'extended edition'... just kidding :-)

[image: calc9.jpg]


Am Mittwoch, 12. Februar 2020 19:09:13 UTC+1 schrieb Ira:
>
> What???  No 'trig' functions?  All kidding aside, a very nice job 
> indeed. You should be very proud of that.   Ira.
>
>
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

Yes, Cherry switches, the blue clicky ones...

Am Mittwoch, 12. Februar 2020 17:00:07 UTC+1 schrieb Jens Boos:
>
> Looks amazing! Are these Cherry-type switches from a computer keyboard?
>
> Cheers
> Jens
>
>
>

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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Instrument Resources of America]

What???  No 'trig' functions?  All kidding aside, a very nice job 
indeed. You should be very proud of that.   Ira.



On 2/12/2020 5:45 AM, newxito wrote:


Here is the finished IN-17 calculator. I thought programming a 
calculator would be a 2 hour job. I was wrong...


For this project I switched to VS Code, PlatformIO and Git. I think it 
was worth the effort, the editor is great with the IntelliSense thing, 
really helpful.


I will now make an IN-16 version, I already have the boards.



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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[jb-electronics]

Looks amazing! Are these Cherry-type switches from a computer keyboard?

Cheers
Jens

On 2020-02-12 6:45 a.m., newxito wrote:


Here is the finished IN-17 calculator. I thought programming a 
calculator would be a 2 hour job. I was wrong...


For this project I switched to VS Code, PlatformIO and Git. I think it 
was worth the effort, the editor is great with the IntelliSense thing, 
really helpful.


I will now make an IN-16 version, I already have the boards.



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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Nicholas Stock]

That's pretty amazing actually..looks like it's from a bygone age.

I'd love one on my office desk. Go on, release the plansor sell some
PCB's???

On Wed, Feb 12, 2020 at 7:50 AM David Eustace 
wrote:

> Congratulations, this looks absolutely amazing. I guess many of us look at
> the Anita calculators and wonder how our bank balance could take the strain!
>
> I would love to make this, do you plan to write up the project in full
> anywhere? Apologies If I've missed that info already.
>
> On Wed, Feb 12, 2020 at 1:45 PM newxito  wrote:
>
>> Here is the finished IN-17 calculator. I thought programming a calculator
>> would be a 2 hour job. I was wrong...
>>
>> For this project I switched to VS Code, PlatformIO and Git. I think it
>> was worth the effort, the editor is great with the IntelliSense thing,
>> really helpful.
>>
>> I will now make an IN-16 version, I already have the boards.
>>
>>
>> --
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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[David Eustace]

Congratulations, this looks absolutely amazing. I guess many of us look at
the Anita calculators and wonder how our bank balance could take the strain!

I would love to make this, do you plan to write up the project in full
anywhere? Apologies If I've missed that info already.

On Wed, Feb 12, 2020 at 1:45 PM newxito  wrote:

> Here is the finished IN-17 calculator. I thought programming a calculator
> would be a 2 hour job. I was wrong...
>
> For this project I switched to VS Code, PlatformIO and Git. I think it was
> worth the effort, the editor is great with the IntelliSense thing, really
> helpful.
>
> I will now make an IN-16 version, I already have the boards.
>
>
> --
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> 
> .
>

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