Large H nixie tubes update and other stuff done in | January 2023
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- Опубликовано: 1 окт 2024
- The installation made with the large H nixie tubes is getting tempo..
Thank you for watching!
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absolutely cannot wait for the Large H tubes to become available to DIYers. :O they are amazing
I can't wait to see what you do with them!
I don't want to know how much they will cost because I know I'll want one but won't be able to justify spending that much on one lol. (not saying they won't be worth it, just more money than I have to spend on a want)
they will most likely cost a fortune like 5000$-10000$ each
@@ThePinoin sssshhhh let me dream until I am inevitable crushed by reality
Cool to see you here! Honestly, I can't wait too :-) Keep in touch!
Super cool to see the wall with fading and fast animations!
i kinda want a clock whit thes big ass tube they look so cool
Always looking forward for new videos, even if there are a big time gap between sometimes. Keeps my engineering heart beating. Awesome work, on production but even more on research and development of new stuff.
Thats so motivating to hear! I am constantly thinking of the videos, even sometimes I have to give up on them..
@@daliborfarny Прекрасно ! Замечательно ! Какое искусство просто здорово !
@@daliborfarny Please do not give up on videos. I look forward to them and watch them as soon as they are released. Like dealink said above, it keeps my engineering heart beating too!
@@daliborfarny Hi Dalibor, do you put any argon or other gas in these tubes, or is it just pure neon?
That pulse time issue with PWM is surprisingly common, and people get bitten by it all the time. I think it isn't always clear just how short the pulses are at low duty cycles - a 20kHz PWM signal doesn't sound very fast, but it actually has a minimum pulse time of less than 200ns with 8-bit depth, or 50ns with 10-bit depth. I've seen a lot of people try to build PWM drivers for large LED installations where the PWM signal is driving a MOSFET gate, and their pulses end up being so short that they aren't long enough to counteract the parasitic gate capacitance and reach the Miller plateau, so the dynamic range suffers significantly at the low end and all that happens is the MOSFETs heat up.
The Tr/Tf also has to be extremely short so you don't end up turning your pulses into sinusoids, which means your design frequency (i.e. the components in the frequency domain required to produce the rising and falling edges) end up being in the tens of megahertz range at least. Plus of course the high drive current into the MOSFET gate required for such high transition speeds can lead to ringing and EMI problems. The worst part is that people often make the mistake of thinking that they can solve the dynamic range issue with more bit depth, which means the pulses get even shorter - 16-bit PWM at 15kHz works out at a 1LSB pulse time of just *one nanosecond*, which is the equivalent on-time of a 500MHz clock! Good luck driving a power MOSFET at that speed!
would multiplexing? a series of em work?
Perfect explanation! We were surprised how short the impulse have to be to make the display dim. To deal with the driving issues, we made a small end driver board for each nixie tube - they do the actual PWM. I think Radim also decreased resolution (amount of brightness levels)..
@@daliborfarny something else to look into is the bit shifting dimming approach. Instead of doing PWM, where you slice each cycle into an on time and an off time with a specific duty, you can instead slice time into 8 "slots" with lengths that are powers of two. So you have one slice that's, say, 10us, one slice that's 20us, then 40us, 80us, 160us, 320us, 640us, and 1280us. Then, for a given 8-bit dimming value, you take the bits in that value and turn the output on or off depending on whether there's a 0 or 1 in that position. You get more distributed pulses instead of a constant flicker, which means you can run the scheme at a lower frequency than PWM before you get strobing effects. This also has the benefit of being super efficient on the code side, because you can stream the data out over any standard serial-like peripheral (UART, SPI, GPIO, etc.) and the code is just two nested loops doing the bit shifts and per-clock outputs. MikesElectricStuff has a video explaining it in detail.
@@TatsuZZmage Sorry, I don't quite understand what you mean. Multiplexing a series of what?
Exciting news. The final H tube display will truly be a shrine to the glory of nixie tubes. Can't wait until they are available for production sale!
🙏🙏 I hope so, I am glad it will be publicly accessible in Japan (though not easy to get there from EU/US) for anyone interested to see it!
@@daliborfarny I'm in Tokyo and will want to check it out! Are you able to give the details of where it will be set up?
@@Bakafish at the moment, I cant talk about the location, the installation is beginning of July, so I guess the exhibition will start in second half of July. Not in Tokyo. Cheers!
I remember a long time ago a shed being built in the back yard.... You have done wonderfully!
Amazing work! Looking forward to the next update... looks really hard and awesome work :)
Looks to me like the 30µs light-up time is mainly the glow "propagating" along the digit, so shouldn't the larger H tube digits also take longer to light?
Nice work. What if you could send higher voltage than normal voltage pulse , would that make the digit glow speed faster?
Oh HELL yeah that production quality!
Brilliant hard work paid off, congratulations, thank you so very much for posting !
Wonderful update, Dalibor! :) Cannot wait to put in an order for an H-tube myself, and maybe another one with the FriendlyWire logo :D Great work, as always!
Amazing!
Skvělá práce tak jako vždy👍 "Šibeniční termín" je slabé slovo, ale Vy a váš tým to zvládnete, já tomu věřím. Držím palce Dalibore 👍👍
Lovely work Dalibor 👌🥳
Oh these H tubes are so cool!!
Amazing work!
I think that you can make a Matrix letters falling effect.
thkyou bro for update the video, its interensting to me, i am an electronics entusias
Amazing!
Amazing!
Will there be some kind of livestream from Japan?
Wow! that is an incrediable amount of work. excellent job to your team!
Good job! We are waiting for more! :)
So exited to see the final assembly!
Will you be able to show it here on your channel?
Greetings from Germany 🇩🇪
Thank you, once the work is finished and the artist opens it, I want to make a summary video ;-)
Is the room temperature of all operating tubes relatively normal?
0:45 - matrix vibes!
Great Engineering.
It's neat you were able to characterize the tubes illumination speed down to microseconds with the high-speed camera. Was that number with the H tube or the '568?
It was the smaller RZ568m tube..
Very frickin' cool. Might I suggest getting a hold of Rotoboss. They've got a next level rotary attachment that would definitely be a plus for y'all.
rotaryattachments.com/products/copy-of-junior-2-0-for-boss-laser-ls-14-series
Wow. The H tube installation will be incredible.
Amazing! Best of luck to you and your team!
1:30
You built a high speed calibration display for NASA?
Do you have a video covering that please?
Are these tubes available for custom builds please?
Your back! Absolutely love these videos, even if they are small!
So glad to hear from you! I can imagine what the weigth on your shoulders was. But always keep room for your family life and your own. Cheers from France.
You should make these available for public special order I would definitely be interested in ordering two of them if when I have some money
These guys are actually talented at this work.i will start to work on nixie tubes after these videos...
Anyone else starting to save up for an H tube clock??? 😁
man that’s sooooooo freakin cool. coke along long way in such short time. congratulations
I'll have one with PH,in it💥
Outstanding work 👍👍
Amazing tubes
Looking great. Thanks for sharing.
Oh, will the final installation in Japan be publicly accessible?
Yes it will, dalibor says so in a replay to another comment.
Now a set of those would make a fab wall clock!
you built a display for nasa???
Nice
Brilliant ! What an accomplishment ! To make these tubes a reality it implies dedication and genius. Looking forward the next update, and thanks a lot for the video !!!
This is for a lottery?
All the struggles coming to a point. All that hard work paying off. Awesome!!!
ништяк тебе. на дроне разрешено летать и снимать
That looks pretty sweet. How much does this whole display cost?
Probably insane amount, I mean its being custom commissioned for a single Japanese company so probably even more than just the coat of the product itself, they had to R&D for a long time aswell., which adds to the cost by a lot.
@@deddrz2549 Yea, I was thinking about just the raw cost like tubes but factoring in the R&D and building everything for this to work added several thousand in man hours.
The grid is 11x11 on there test platform so there's 121 tubes and even at $100 per tube that's $12,100 and those tubes go for way more so this could be a six figure project easy.
The rain animation reminded me of Matrix