Nice! What displays are you ising? Are they 7-segment LED displays or 7-segment nixies? Are you going to put a circuit diagram on your website, and some...
... uses ... you ... when ... both ... the ... current ... but ... and '70s ... amp, ... class I'm ... what's ... the ... Velcro! ... Cory, Beautiful! If...
Hi David ! ... I had been thinking of that recently. Some time ago I planned to include a "Magic Eye" tube on one of clocks - to simulate some sort of pendulum...
Cory, ... Just 2 comments: - This is truly amazing! - Somebody has too much time on his hands. :-))) Yes, I also have some attraction to the rotary dial (guys,...
... bet ... has ... Oops - yea I guess I should have included that. :) The part is ps2532-4. The Digikey cat page is: ...
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David Forbes
dforbes@...
May 1, 2002 1:46 pm
... John, Hey! I thought you said that you weren't good with analog stuff! Congratulations on making your power supply work so well. You have joined the ranks...
... uses ... you ... when ... both ... the ... current ... but ... and '70s ... Superb Cory, thats what I think. The end has justified, nay, exceeded the...
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David Forbes
dforbes@...
May 1, 2002 3:10 pm
... Cory, That's a masterpiece of what a telephone should be! I think you could have gone far at Bell Labs in the good old days. One actual application for...
Hey all, I finally tried lighting up a couple of nixies I got a little while ago. I used a 120V to 12V wall-wart and a 12V to 220V transformer. After...
... transformer. ... had ... about ... up ... You are overdoing it a bit I suspect with the voltage but that is only if thats the voltage after the resistor...
That's normal, though you could probably use a bigger resistor such as 60-70k and still have good brightness with longer life. The blue haze is from the...
... Well, there is a small chance of an electric shock disturbing the heart rhythm leading to cardiac arrest hours later, but this is rare and usually only...
... transformer. ... had ... about ... up ... Both of these tubes contain a high amount of mercury compared to most other Nixies, so some purple or bluish haze...
Just got sent this from Joop van der Velden : probably the biggest nixies iun the world..... http://home.iae.nl/users/pb0aia/evoluon/film/nixietel.jpg These...
... Those are neat. They are, I'm sure, made from individually-formed tubing like classical neon signs. I think in February here I mentioned my interest in...
Greetings Cory, So, What did your Professor think about it ??? Hoping to Glow, Steve 3 ... __________________________________________________ Do You Yahoo!? ...
I visited the Evoluon on a family holiday in Summer 1986 when I had just turned 15. We travelled around Holland for 4 weeks by bus and train, camping in tents...
I'm a new recruit to the group have recently acquired a bunch of NL1032Ns. The recent discussion recently on bi-quinary tubes tells me most of what I need to...
And for power, aim for 2-3 mA and see how it looks, I would use either a 170vdc supply with 30-47k resistors on the anodes or a ~300vdc supply (voltage doubler...
Does anyone know offhand what a 74141 draws? I realized mothers day is coming up very quickly and thought I'd throw together a one tube clock with the stray...
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David Forbes
dforbes@...
May 2, 2002 5:03 pm
... The TI SN74141 is rated at 16mA typical, 25mA max according to the 1973 data sheet. Not bad for ancient technology. --David Forbes, Tucson, AZ ...
I was recently asked to build an 8-digit nixie display in a big hurry for a TV company, and really wished I'd had some of those nice multi-channel...
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David Forbes
dforbes@...
May 2, 2002 5:53 pm
... Mike, Why bother with Supertex? Use the ubiquitous TD62083/4 or ULN2003/4 or SN75468 50V Darlington driver chips. They are cheaper, much easier to get ...
DIP? DIP is dead, man. Very 80's. SMT is the only way to go. In fact, I've started resenting having to use through-hole connectors. I want SMT nixie...
Hmm, still quite a bit though, think a transformerless supply with a zener shunt regulator would be a good choice to run this, an AVR, and a CMOS buffer for...
Hi ! ... Yep. The values are given for Vcc=MAX (= 5.25V). I won a circuit board on Ebay with 7 TI SN74141s ... they're mfg. 7th week 1973 ... along with 5...
... ..but using 50V drivers makes the anode voltage more critical, and you still need the 595's. The Supertex chips are a true 1-chip solution for up to 300V!...
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David Forbes
dforbes@...
May 2, 2002 7:13 pm
... John, I suggest DIP as a means of working with big parts that you can see. Lots of folks still use DIPs. I use everything from DIPs to fine-pitch SMT, and ...
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David Forbes
dforbes@...
May 2, 2002 7:20 pm
... Peter, I have a tube of TI SN74141N datecode 7114. They have the older extruded mold shape, with saw blade marks on the ends of the package. I think they ...
