[neonixie-l] everything that's wrong about instructables summed up in one handy article

[robin bussell]

I tut and sigh at some of the lax safety practices on Instructables 
electrical projects sometimes, even leave some helpful comments 
occasionally, but this one takes the proverbial! For your amazement and 
enjoyment (nothing to do with Neon but high voltages are involved) :


“You are taking a risk just having this thing near you because it is a 
death trap that you voluntarily attach to your hand, complete with 
amateur electrical wiring and warranty-voiding alterations. But who 
cares because it is super cool.”


http://www.instructables.com/id/Taser-Glove-Legit-Version/?ALLSTEPS

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Re: [neonixie-l] Re: All valve/tube clock

[Tom Nolan]

Grahame is correct - the transformer is $90 + taxes + shipping from:

http://www.sumr.com

It'll be ready in two to three weeks.  Its a busy time for me so that'll 
give me lots of time to build the boards.


The transformer will weigh ~0.9 Kg so shipping may not be too high (they 
are a twenty minute drive for me).


This is a marvelous clock and Grahame has been incredibly helpful. He 
found SumR for me - even though it is the same as Primrose Audio who I 
knew about and am planning an audio project with their audio transformers.


Langrex seems to have lots of D700U's - I had 100 already.


Tom


On 10/30/2014 9:24 AM, Grahame Marsh wrote:

Nick

Good progress then.  Do get back to me with questions please. I look 
forward to seeing your final build.


I helped Tom Nolan in Ontario (on Neonixie) find a winder in Toronto 
who quoted $90 Canadian (presumably plus postage and tax, if any). He 
was very suprised by the price in a pleased way as he had assumed it 
would be expensive.


The built clock here continues to work... waiting for the case from 
Nick Stock (who is in the UK with family for his mother's wedding).


Cheers Grahame


On 30/10/2014 12:29, Nick wrote:

Very please with my kit - thanks Grahame!

Custom transformer arrived yesterday, so all set now for some quality 
time in the workshop over the holiday!


Nick
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Re: [neonixie-l] Just got 80 new Burroughs PIXIE B-9012 tubes, if any interest

[Per Jensen]

I’m interested.

Tell me about pricing.

// Per.


On 20 Oct 2014, at 23:06, Walter2  wrote:

> These are the same glass diameter as the common B-5092/8421 nixies (not as 
> tall), but instead have a circle of 10 digits on the face, 0-9 clockwise, 
> with zero at the top. 
> 
> Unlike Nixies, more than one digit can be on at the same time (if cathode 
> resistors are used, rather than a common anode resistor).  They need only 
> +150VDC, and very little current.  The digit is small, but the appearance is 
> very interesting, like a Dekatron, but with digits rather than dots. I don't 
> ever recall seeing them used in any commercial gear, but presumably they did 
> appear someplace, maybe another list member has that info.  They can be used 
> as status displays to show up to 10 data items at the same time. They can 
> almost be used as a single tube for hours as well, because two digits can be 
> on at one time (1+0 to show 10, but NOT 1+1 to show 11, 1+2 to show 12, for 
> example), a novel and more "clock-face-like" appearance, but not really 
> ideal. 
> 
> The base is a non-standard 13 pin (3 center pins, outer circle of 10), so I 
> have no hope for sockets, but clearly loose pins will work fine to a PCB.  
> Because the numbers appear to race around the outer diameter of the tube when 
> cycled, they would provide very attractive seconds/minutes displays in 
> clocks. Driving is dead simple, ground the cathode to light, just as with 
> regular Nixies, but less current is required (larger resistor).  Because more 
> than one can be on at a time, fading is possible to enhance motion. There are 
> also simliar tubes from Philips in europe, but their drive is quite complex, 
> and they are not interchangeable with these. 
> 
> Anyway, I will have them posted up to Sphere Research shortly, or you can 
> just email me for more details. I have the factory data sheet as well, and I 
> will email the PDF to anybody interested.  They will be quite cheap, but 
> there's only this one single batch available, no more stock after this, and 
> frankly I was surprised to get these. The appearance of this batch is 
> excellent.
> 
> all the best,
> walter ( walter2 -at- sphere.bc.ca )
> sphere research corp. ( www.sphere.bc.ca )
> 
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[neonixie-l] Re: Just got 80 new Burroughs PIXIE B-9012 tubes, if any interest

[n1ist]

I too would be interested in some.
Thanks.
/mike


On Monday, October 20, 2014 5:06:34 PM UTC-4, Walter2 wrote:

> These are the same glass diameter as the common B-5092/8421 nixies (not as 
> tall), but instead have a circle of 10 digits on the face, 0-9 clockwise, 
> with zero at the top. 
>
> Unlike Nixies, more than one digit can be on at the same time (if cathode 
> resistors are used, rather than a common anode resistor).  They need only 
> +150VDC, and very little current.  The digit is small, but the appearance 
> is very interesting, like a Dekatron, but with digits rather than dots. I 
> don't ever recall seeing them used in any commercial gear, but presumably 
> they did appear someplace, maybe another list member has that info.  They 
> can be used as status displays to show up to 10 data items at the same 
> time. They can almost be used as a single tube for hours as well, because 
> two digits can be on at one time (1+0 to show 10, but NOT 1+1 to show 11, 
> 1+2 to show 12, for example), a novel and more "clock-face-like" 
> appearance, but not really ideal. 
>
> The base is a non-standard 13 pin (3 center pins, outer circle of 10), so 
> I have no hope for sockets, but clearly loose pins will work fine to a 
> PCB.  Because the numbers appear to race around the outer diameter of the 
> tube when cycled, they would provide very attractive seconds/minutes 
> displays in clocks. Driving is dead simple, ground the cathode to light, 
> just as with regular Nixies, but less current is required (larger 
> resistor).  Because more than one can be on at a time, fading is possible 
> to enhance motion. There are also simliar tubes from Philips in europe, but 
> their drive is quite complex, and they are not interchangeable with these. 
>
> Anyway, I will have them posted up to Sphere Research shortly, or you can 
> just email me for more details. I have the factory data sheet as well, and 
> I will email the PDF to anybody interested.  They will be quite cheap, but 
> there's only this one single batch available, no more stock after this, and 
> frankly I was surprised to get these. The appearance of this batch is 
> excellent.
>
> all the best,
> walter ( walter2 -at- sphere.bc.ca )
> sphere research corp. ( www.sphere.bc.ca )
>

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Re: [neonixie-l] LM9022 on ebay

[John Rehwinkel]

> The two parts look nearly identical from the datasheets.  Since it was common 
> to simply add an application diagram to an existing datasheet instead of 
> creating a new part number, the LM9022 was probably a way to use LM4871s that 
> failed some of the audio amplifier specs that would be critical to an audio 
> aplication but would be of no concern for driving a VFD.
> 
> I have 200 of the LM9022s, I'll get some of the LM4871s and compare them.

I'm tempted to get one of each and have a friend decap and examine them.

- John

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[neonixie-l] Re: LM9022 on ebay

[taylorjpt]

The two parts look nearly identical from the datasheets.  Since it was 
common to simply add an application diagram to an existing datasheet 
instead of creating a new part number, the LM9022 was probably a way to use 
LM4871s that failed some of the audio amplifier specs that would be 
critical to an audio aplication but would be of no concern for driving a 
VFD.

I have 200 of the LM9022s, I'll get some of the LM4871s and compare them.


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[neonixie-l] Re: LM9022 on ebay

['threeneurons' via neonixie-l]

Have to dig into the details, but I could see it. I've driven VFD filaments 
from the much older LM1877, before National got swallowed up by TI. Its a 
stereo amp, which I rigged in a "bi-phase" configuration, much like the 
LM4871. All these parts belonged to National. I wonder if that employee was 
a National employee, and came along with the acquisition ?  

On Thursday, October 30, 2014 12:36:48 AM UTC-7, Dekatron42 wrote:
>
> I found this comment over at Texas instruments forum:
>
> "The LM9022 (VFD Filament Driver) was a marketing spin of the LM4871 
>  (3W Audio Power Amplifier)
>
> http://www.ti.com/product/lm4871";
>
> http://e2e.ti.com/support/power_management/isolated_controllers/f/188/p/289255/1009125.aspx#1009125
>
> Does anyone here at the forum know if this is a substitute for the LM9022, 
> it was a Ti employee who wrote that comment (check the forum thread).
>
> /Martin
>
> On Saturday, 11 October 2014 20:01:35 UTC+2, Sgitheach wrote:
>>
>> Hi 
>>
>> The LM9022 IC which is a fairly niffty VFD driver has turned up on ebay 
>> item 171472657676 
>>
>> No affiliation. 
>>
>> Grahame 
>>
>>

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Re: [neonixie-l] Re: All valve/tube clock

[Grahame Marsh]

Nick

Good progress then.  Do get back to me with questions please. I look 
forward to seeing your final build.


I helped Tom Nolan in Ontario (on Neonixie) find a winder in Toronto who 
quoted $90 Canadian (presumably plus postage and tax, if any). He was 
very suprised by the price in a pleased way as he had assumed it would 
be expensive.


The built clock here continues to work... waiting for the case from Nick 
Stock (who is in the UK with family for his mother's wedding).


Cheers Grahame


On 30/10/2014 12:29, Nick wrote:

Very please with my kit - thanks Grahame!

Custom transformer arrived yesterday, so all set now for some quality 
time in the workshop over the holiday!


Nick
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[neonixie-l] Re: Micro Nixie Controller board

[M.J.Sangster]

Microboard update:

I received my pre-production board, for demo purposes for Kickstart 
video/photos. It is identical to the boards I will order, except no solder 
mask. I will build it early next week.

Added a few more features to the software:
1. Added display off during weekends (or during weekdays).
2. Added floor LED lighting functions.
3. Added automatic DST (daylight saving time) auto adjust, for USA-Canada, 
Europe (EU), and Australian DST Zones.

Finished up the PCB design for a piggy back board for Burroughs B-5750 
series tubes, GPS option, LED floor lighting.

I think my next piggy back board will be a IN-17 board.

Continue working on my Kickstart page.

- Michael Sangster

On Tuesday, May 21, 2013 3:06:53 PM UTC-5, M.J.Sangster wrote:
>
> I'm planning on building and possibly selling a micro nixie controller 
> board. The idea is to create the smallest possible Nixie controller board 
> that can drive 6 Nixies (3x2 multiplexing).
>
> I am posting this to see if the feature set of the board makes sense, or 
> if I am missing anything.
>
> Here is a link to preliminary information:
>
> Micro Nixie Controller Board 
> 
>
> Thanks!
>
>
>

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[neonixie-l] Re: All valve/tube clock

[Nick]

Very please with my kit - thanks Grahame!

Custom transformer arrived yesterday, so all set now for some quality time 
in the workshop over the holiday!

Nick

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[neonixie-l] Re: All valve/tube clock

[Dekatron42]

Really nice clock, I wish I had that many Z70Us.

/Martin

On Monday, 6 October 2014 16:09:38 UTC+2, Sgitheach wrote:
>
> Hi 
>
> I have been working on a new trigger tube clock that uses the Z700U 
> trigger tube.  This tube has a priming electrode so works in complete 
> darkness.  Results are very good.  Details are here: 
>
> http://www.sgitheach.org.uk/nixie8.html 
>
> Enjoy 
> Grahame 
> Highlands Scotland 
>
>
>

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[neonixie-l] Re: LM9022 on ebay

[Dekatron42]

I found this comment over at Texas instruments forum:

"The LM9022 (VFD Filament Driver) was a marketing spin of the LM4871 
 (3W Audio Power Amplifier)

http://www.ti.com/product/lm4871";
http://e2e.ti.com/support/power_management/isolated_controllers/f/188/p/289255/1009125.aspx#1009125

Does anyone here at the forum know if this is a substitute for the LM9022, 
it was a Ti employee who wrote that comment (check the forum thread).

/Martin

On Saturday, 11 October 2014 20:01:35 UTC+2, Sgitheach wrote:
>
> Hi 
>
> The LM9022 IC which is a fairly niffty VFD driver has turned up on ebay 
> item 171472657676 
>
> No affiliation. 
>
> Grahame 
>
>

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