... I've just finished my first FAT SD card project, and I'm serving web pages directly over the internet from it. They're such a cheap solution for storage...
... The brain cells that contained that information died a long time ago. There is a subtle difference. NTE doesn't make anything, but in addition to...
... Shame on you, they only melt down if you don't "tune your load" or maybe in "CB Linear Service". Tucked away, I have an RCA 6GH8A which is actually a...
You're welcome! I think I was pretty careful in selecting the components but if something doesn't fit quite right don't blame Grahame! I'm also eagerly...
... Actually they melted down because they were the incorrect tubes for the amplifier that I bought. It had 6550s in it when I bought it and I kept replacing...
Sorry about the confusion. I got a little side tracked. Yes, Elesta was a dekatron maker, though the only Elesta tubes I have, are unidirectional, so I don't...
... This is something I've been looking at a lot as part of my ETL dekatron history project. Hivac and Ericsson were both bought by Plessey in 1961. Sometime...
... of the same maker. Philips made dekatrons, but they also came marked as Mullard, Valvo, and Amperex. From what little evidence I have, I suspect they were...
Mike Mullard, Valvo and Amperex are all Philips subsidiaries, so it is not supprising that Philips tbes come from lines of her daughters..... An other...
Recently I became the proud owner of several of these beautiful old nixie-based voltmeters. I originally wanted to cannibalize the nixie tubes, but then I...
Howdy... Although I enjoy the Tubehobby IN-18 kit in nearly every aspect, I find the spacing of the tubes a bit of a turndown, since I like using dots between...
... Not trying to appear too young here, but did ISA immediately predate PCI ? If so, I have some old ISA cards here going to scrap unless anyone would like...
... There are not many English people who could say or spell 'satisfactorily'. American English tends to ignore adverbs altogether and says things like 'think...
... That actually is almost a perfect description of my first PC. I seem to recall executing code at C800 to perform a low-level. Nowadays, there's not even...
... You should stop by my brother Jim's house then. He has all of those fine old machines and their attendant software. Whether you'd actually want to use them...
... I loved the idea of salvaging small bulbs from photo equipment. Perhaps they can be found on those flashes that get attached on older cameras also. Garage...
... I bet it would be pretty simple to look at the circuit and figure out what latches the display data. I suspect there's a strobe line to the register chips...
... I've used NE-2 lamps, they can look pretty good with big tubes. On my B7971 clock I attached pairs of NE-2s to pieces of bare #12 copper wire which form...
I've got a question for the ATMega gurus... I've got a circuit that utilizes a supercap for battery backup, and I'd like to not power my analog supply rail...
... Adam, The design of battery-powered systems can be tricky. The ATmega chip, like every other A/D converter chip I have ever used, requires you to apply...
... find the spacing of the tubes a bit of a turndown, since I like using dots between hours/minutes and minutes/seconds and the board does not allow for a...
... Whenever you posted a message on AOL message boards it would say "Please wait, your message will appear momentarily" It was so frustrating because I wanted...
... ... Absolutely - you must power the AVCC & DVCC together. ATmegas have power reduction modes that allow you to stop the clock to individual internal...
We were discussing multi-segmented displays recently. I have finally finished the new version of my 39 LED seven segment display clock and there is a sneak...
