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

[newxito]

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

[newxito]

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

[newxito]

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

[Dekatron42]

I just spotted this one: 
https://www.ikea.com/us/en/p/duktig-toy-cash-register-80256501/ maybe it 
could be used as a base for those who want to build a calculator with fewer 
digits?

I do not know what it looks like inside but it seems to be space enough for 
the electronics.

/Martin

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

[newxito]

The number of digits was determined by the maximum print area of my 3D 
printer.
The software is still in progress, there are some features I would like to 
add:
- switch between radians and degrees
- fixed decimals mode, right now there is only a floating mode
- padding mode with leading zeroes 
- automatic return to clock mode after some idle time
- support for a tiny PIR inside the case, hope it works through the acrylic
Richard Scales schrieb am Donnerstag, 29. Oktober 2020 um 08:02:45 UTC+1:

> I've just re-read this thread and really like the way that this project 
> has developed. I think I need to make one at some point. I have no idea how 
> one might go about programming a calculator but would love to find out 
> about it. I'm guessing that it took a bit longer than the 2hrs you'd 
> planned?
> I would be interested in making the IN-17 version - mostly because I have 
> plenty on hand.
> What made you settle on using 14 digits?
>  - Richard
>
>
> On Friday, 10 January 2020 08:29:54 UTC, newxito wrote:
>>
>> I started with the display board. I don’t know if it’s possible to 
>> multiplex 14 nixies with enough brightness, so I decided to use direct 
>> drive. Now waiting for small neons for the dots and the minus sign. I 
>> already ordered the controller board, the board for the keyboard (MX keys) 
>> and the keycaps.
>>
>

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

[Richard Scales]

I've just re-read this thread and really like the way that this project has 
developed. I think I need to make one at some point. I have no idea how one 
might go about programming a calculator but would love to find out about 
it. I'm guessing that it took a bit longer than the 2hrs you'd planned?
I would be interested in making the IN-17 version - mostly because I have 
plenty on hand.
What made you settle on using 14 digits?
 - Richard


On Friday, 10 January 2020 08:29:54 UTC, newxito wrote:
>
> I started with the display board. I don’t know if it’s possible to 
> multiplex 14 nixies with enough brightness, so I decided to use direct 
> drive. Now waiting for small neons for the dots and the minus sign. I 
> already ordered the controller board, the board for the keyboard (MX keys) 
> and the keycaps.
>

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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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> 
> .
>

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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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>> "neonixie-l" group.
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>> email to neonixie-l+unsubscr...@googlegroups.com.
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>> https://groups.google.com/d/msgid/neonixie-l/025cd5e9-ba4a-4cc8-8bbb-1898194c8237n%40googlegroups.com
>> 
>> .
>>
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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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[neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

This is the finished IN-16 version. I'll add some more clock modes with 
date and some animations with the decimal points. That’s it!

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

[newxito]

I was lucky, it fits in the case without any changes, but there is only 2mm 
between the tallest tube and the case cover.

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

[newxito]

This is the IN-16 version, theoretically this thing should fit in the same 
case as the IN-17 version. We'll see, the case is still printing…

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

[GastonP]

Very nice!!!

On Wednesday, February 12, 2020 at 10:45:06 AM UTC-3, 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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[neonixie-l] Re: 14-digit nixie calculator project with clock function

[newxito]

Sorry that I don’t share the electronics. See 
https://groups.google.com/forum/#!topic/neonixie-l/txmEbShA3CI (I’m not an 
EE...)

For the keyboard I’m using a HT16K33 in a 3 x 9 matrix

The display board uses 5 cascaded HV5622 shift registers. Since the IN-17 
has no dot, I had to use 3mm neons. Also, a 3mm neon is used for the minus 
sign.

If anyone is interested, feel free to use or modify the case STL files, at 
your own risk. Check the build dimensions of your 3D printer. The front 
panel is a piece of transparent brown acrylic (203mm x 50mm x 3mm). In the 
back, there are 3 holes where you can mount the IO-shield for your 
controller.

For the top and the keyboard cover I have used wood filament, the surface 
looks much nicer than normal PLA. The label is just a small ENIG PCB.

Note for mounting the keyboard in the case:

screw->washer->bottom panel->20mm spacer->PCB(1.6mm),10mm spacer->keyboard 
cover->screw and screw->washer->bottom panel->thin washer->PCB(1.6mm)->10mm 
spacer->keyboard cover->screw

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

[Paul Andrews]

That's amazing

On Wednesday, February 12, 2020 at 8:45:06 AM UTC-5, 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

[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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.


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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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.



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

[newxito]

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

[newxito]

Thanks for your input, Richard. I don’t have access to a CNC device right 
now, but such a router is on the top of my (maker) wish list.

I have found a place where you can define the text and color (no graphics) 
of every keycap for an entire keyboard. So, basically you get 104 custom 
keycaps for 50$, that’s ok for me, I will only made one or two of these 
calculators. 

Am Montag, 20. Januar 2020 12:11:20 UTC+1 schrieb Richard Scales:
>
> Many Many years ago (1980 ish) I was involved in what were known at the 
> time as Microcomputer Terminals. These were Z80 based machines running CP/M 
> which used serial Terminals (VDU's) for I/O. We created some software which 
> required custom key caps so I (as the junior!) was sent off with a bag of 
> blank keys down to a local company who engraved lettering into the surface 
> of the keys which was then filled with some white paint - et voila - 
> customised keycaps.
> Wind the clock forward 40 years (that's scary!) and things like cnc 
> routers are more common place - I have a desktop CNC router myself and I 
> can see that it would be no major issue to cut letters and words into the 
> surface of a blank key. 
> Assuming one had or had access to a small router, that would be a way of 
> achieving your goal.
> Just my 2 cents as they say!
> Richard
>
>>
>>

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

[Richard Scales]

Many Many years ago (1980 ish) I was involved in what were known at the 
time as Microcomputer Terminals. These were Z80 based machines running CP/M 
which used serial Terminals (VDU's) for I/O. We created some software which 
required custom key caps so I (as the junior!) was sent off with a bag of 
blank keys down to a local company who engraved lettering into the surface 
of the keys which was then filled with some white paint - et voila - 
customised keycaps.
Wind the clock forward 40 years (that's scary!) and things like cnc routers 
are more common place - I have a desktop CNC router myself and I can see 
that it would be no major issue to cut letters and words into the surface 
of a blank key. 
Assuming one had or had access to a small router, that would be a way of 
achieving your goal.
Just my 2 cents as they say!
Richard


On Wednesday, 15 January 2020 15:46:10 UTC, newxito wrote:
>
> The 14 neons for the dots and minus sign are now installed and everything 
> seems to work fine. The board with the switches is also fully assembled, it 
> uses a HT16K33. I will start with this keyboard layout. I have to start now 
> designing the case, that’s the hardest part of this project. If the case 
> looks ok, I probably will design a new board with more keys and functions 
> and buy some custom keycaps. By the way, custom keycaps seem to be really 
> expensive! 
>
>

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

[newxito]

Made some progress with the case but I don't like the keyboard at all. I 
designed a new keyboard with the standard functions. Any source for custom 
keycaps that you can recommend? 
Not sure about the acrylic for the display, maybe brown or gray...

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

[Bill Notfaded]

That's neat!

Bill

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

[newxito]

 

The 14 neons for the dots and minus sign are now installed and everything 
seems to work fine. The board with the switches is also fully assembled, it 
uses a HT16K33. I will start with this keyboard layout. I have to start now 
designing the case, that’s the hardest part of this project. If the case 
looks ok, I probably will design a new board with more keys and functions 
and buy some custom keycaps. By the way, custom keycaps seem to be really 
expensive! 

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