On 10/05/2012 09:12 PM, Dave McGuire wrote:
On 10/05/2012 08:57 PM, Jules Richardson wrote:
I've got some nice ol' gas-discharge
amber ones in the [UK] junk box
which will get here to me one day - from what I remember of the PCBs
that they were mounted on, they originally came from fuel pumps.
Ohhhhh, Panaplex? Basically seven-segment neon displays? I LOVE
those.
Yes, those are the ones. I think all the ones I had were double-digit ones,
and I had a couple of sizes (from memory - as it's been a few years since I
last saw them - some were 1" high and others around 3/4").
I'm guessing I had around fifteen of them, but not all of them were still
functional - and at least in one case the glass faceplate simply fell off,
which maybe suggests that they're not very well bonded and/or the bonding
material is deteriorating over time :-(
Unfortunately they tend to go for big bucks. If you
have some,
you are morally obligated to do something cool with them! Even if it's
just yet another clock...they're beautiful displays.
It's a shame that there's not much else beyond a clock that lends itself
well to using just a small number of 'cute' displays - ideas on a postcard...
What would be pretty cool would be a Sudoku grid formed with some cool ol'
display technology, but as you say these kinds of things seem to sell for
not insignificant sums these days.
I picked up an
80's-vintage Royal calculator from a junk store the other
day, just because of the nice green-blue VF 7-seg display that it had in
it. I'm a sucker for that kind of stuff...
Me too. :-) They are easy to drive, too.
To be honest, I've not looked into it for the green-blue ones. Hacking some
drive/control electronics for the Panaplexes wasn't hard though, so I
assume the green-blue type aren't much different.
There's an elderly betamax VCR in the same store which keeps tempting me,
as that looks to have a similar type of display (probably with custom
VCR-related bits of course, but I could always mask those off behind a
bezel and just expose the numeric part).
cheers
Jules