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‘Cat printer’ stock ticker
A while ago they’ve been airing reruns of the old black&white Addams Family series that I watched at my sister’s place. In one scene they’ve shown Gomez reading ticker tape, losing $1,000,000 just...
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2.88MB PS/2 diskettes thru USB with an Arduino
As a kid in 1998, I was given an old IBM PS/2 to play games on. It only had one problem: with no USB (naturally) and no optical drive in it, I could not add more games to the hard drive, since the...
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200 kV multiplier
Something I’ve crafted for the new X-ray experiments: a half wave, eight stage Cockroft Walton multiplier (or a Villard cascade, whichever name you like), submerged in oil, providing a theoretical...
View Article3D X-ray setup
A real-time, fluoroscopic X-ray setup of my previous attempts with the beryllium-window tube. However, radiographed objects are now placed on a slow moving turntable motor, thus creating a spectacular...
View ArticleClik here to view.
5150CAXX
That’s right – the very first IBM Personal Computer, the IBM 5150 – a business-oriented machine and a hallmark platform that started it all, shipped along with an integrated cassette port. Too bad it...
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8FORMAT
This is a follow-up to my previous article about connecting old 8″ drives directly to a PC equipped with a classic floppy disk controller. Since there is a way on how to do it on a hardware level...
View ArticleClik here to view.
A Guide to Flyback Transformers
Unless professionally required, a lot of high voltage enthusiasts do not wind their high voltage transformers at home. This task would be nearly impossible to do without proper coil winding, insulation...
View ArticleClik here to view.
ALLOY EarthStation-I
Description: An x86-compatible, ARCnet based thin client. Manufacturer: Alloy Computer Products, Inc. Made in year(s): mid to late 1980s, my model in 1987 Country of origin: Massachusetts, U.S....
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Amiga 500 shenanigans
Earlier this year I’ve got a cheap old Amiga 500 for tinkering purposes. Now, I never really had any Commodore paraphernalia around here, and my first PC was a 486 to play games on, but – some of my...
View ArticleClik here to view.
Arduino Mega2560 nixie clock
Some five years ago, I had a RepRap 3D printer setup running the Marlin firmware on an Arduino Mega 2560 board. With that long gone, I was thinking about some other projects I could try on it: a floppy...
View ArticleClik here to view.
Amiga 500 shenanigans
Earlier this year I’ve got a cheap old Amiga 500 for tinkering purposes. Now, I never really had any Commodore paraphernalia around here, and my first PC was a 486 to play games on, but – some of my...
View ArticleClik here to view.
2.88MB PS/2 diskettes thru USB with an Arduino
As a kid in 1998, I was given an old IBM PS/2 to play games on. It only had one problem: with no USB (naturally) and no optical drive in it, I could not add more games to the hard drive, since the...
View ArticleClik here to view.
200 kV multiplier
Something I’ve crafted for the new X-ray experiments: a half wave, eight stage Cockroft Walton multiplier (or a Villard cascade, whichever name you like), submerged in oil, providing a theoretical...
View Article3D X-ray setup
A real-time, fluoroscopic X-ray setup of my previous attempts with the beryllium-window tube. However, radiographed objects are now placed on a slow moving turntable motor, thus creating a spectacular...
View ArticleClik here to view.
5150CAXX
That’s right – the very first IBM Personal Computer, the IBM 5150 – a business-oriented machine and a hallmark platform that started it all, shipped along with an integrated cassette port. Too bad it...
View ArticleClik here to view.
8FORMAT
This is a follow-up to my previous article about connecting old 8″ drives directly to a PC equipped with a classic floppy disk controller. Since there is a way on how to do it on a hardware level...
View ArticleClik here to view.
A Guide to Flyback Transformers
Unless professionally required, a lot of high voltage enthusiasts do not wind their high voltage transformers at home. This task would be nearly impossible to do without proper coil winding, insulation...
View ArticleClik here to view.
ALLOY EarthStation-I
Description: An x86-compatible, ARCnet based thin client. Manufacturer: Alloy Computer Products, Inc. Made in year(s): mid to late 1980s, my model in 1987 Country of origin: Massachusetts, U.S....
View ArticleClik here to view.
Arduino Mega2560 nixie clock
Some five years ago, I had a RepRap 3D printer setup running the Marlin firmware on an Arduino Mega 2560 board. With that long gone, I was thinking about some other projects I could try on it: a floppy...
View ArticleClik here to view.
Booting from a vinyl record
Most PCs tend to boot from a primary media storage, be it a hard disk drive, or a solid-state drive, perhaps from a network, or – if all else fails – the USB stick or the boot DVD comes to the rescue…...
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