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Typically: Keys, wallet, Samsung 2370 cell phone (unfortunately recently fell from a window to concrete and LCD got 3 vertical lines on it - seriously). If space is sufficient - GPD Win (first) as temporary Pyra replacement. Sometimes any USB flash drive and at least 3 pieces of paper with...

Unfortunately. This seems to be no more the Internet of early 2000s, when author put an ad in the page and got something (money, transfer or hosting) in exchange. What I see now, when advertisers and sponsors come in, they are treated as new owners. Projects go totally re-calibrated, initial...

For some unknown reason I should not ask people about components. It always ends a few months or years later with enormous amounts of them. A few months ago I decided to gather parts for a few hardware projects, including CT1024 terminal. I needed 6 chips of 2102 memory for it. I quickly found 3...

Rather from observation of the Net and from my friend's web business initiative. Generally there is a certain situation in development of a service, in which its plan may go in two paths: It can become a full-paid service, ending as a "walled garden", or become an ad- and surveillance-powered...

These CoCs are made for the one thing: To keep advertisers or shareholders. Modern Internet works because advertisement. For some anti-logic known only in western countries, hard disk space is getting cheaper so hosting goes more expensive, and pages must rely on advertising to live. The problem...

OK, I had to do something to relax. However, the problem is that making things of wood was out of question as it was too noisy. So I decided to do something useful with my open source IC tester software project. Yes, C++ and Qt, so relaxing... First thing, when I was making chip models for...

More spare logic chips, TTLs and some CMOS. I found a good and even cheaper local source of these (now there's a question: Newspaper or 40-50 chips? :) ). With this, I plan to get 3-5 of every chip accessible there to have spares for 8-bit computer repairing purposes and get a bit more of...

Unfortunately, in such controlled environment like modern "social media", in which even "private" communication are subjected to monitoring and censorship, I just cannot naively believe in "spontaneous" and "from-the-bottom" actions. Especially when many of these proposed by different actors...

About this Stallman thing, this affair exposed social problems very well. That mob controlled by some party gives this party has a significant control. That people just don't want child abuse cases to be properly solved and criminals to be prosecuted, people just want to hang someone. That we've...

I remember about 5-8 years ago I bought very cheap 2TB WD Green drives (yes, these cursed Greens which failed mechanically but new) for backups and rarely accessed slow (but large) storage, they are generally OK if the proper firmware fix has been applied early (Timer3? Idle3? - something like...

Sometimes they were right in a design, just added in some specific versions, like for FM ranges in export versions of radios. Sometimes they were added in "starting" stage, when the mchine was started for the first time after assembly and inspection. I remember seeing a Z80-based computer with...

@FBnil The switch is mode selector, the mode works by extending one paddle in height. The paddles are generated just by stretching pulses, so adding more capacity = longer/wider paddle. The wood, or rather floor panel material (a bit more sound absorbing), was the problem as the "speaker" is the...

The last Windows I had contact with was XP. I still use it in some machines. I also have Win98 machine which runs EPROM programmer and floppy disk drives. After XP I found a really bad points in a license I couldn't accept, so I started to use Linux. I use Debian with Trinity Desktop Environment...

Finally the "Pong"-like is ready.Most parts are salvaged from different things, generally the design uses late 1970 - early 80s technology. Relatively simple from outside. Inside, there is a power supply unit, a set of modules, and all controls: I have a quick description of modules too.

Another Pong problem or the non-filtering of interferences. So last time I finished making PCBs and power supply unit. It was quite hard to make a generator, especially as it starts from 1MHz with my poor PCB technology but finally I got it. All readings on scope were OK, TV started to react to...

Another struggle while making PCBs using "McGyver" method. This time no need to improvise etching agent from contents of kitchen :). I decided to make a replica of Pong-like game, to be exact the earliest design I will find in domestic magazines. I have found a nice one in 1976 magazine, made of...

First of all, don't buy the "XCSD" brand SDHC cards. Advertised as "Class 10"? No, they should be advertised as "Class 225" as in ST-225. 0.8-0.9MB/s write, 1.5-1.8MB/s read. Booting an RPi took 15 minutes and blown up, as some operations got timed out and ext4 fell apart right after resizing...

Finally I found a source of very cheap TTL logic chips. I was thinking that it will be cheaper in Internet shops - wrong, it was a local man who sells electronic leftovers in the local market. At first, I bought a small quantity for testing are they OK, but it looks like they're OK, they are new...

@TrashyMG I heard about POV-Ray, and it was similar, but not it. It was more function-oriented, a bit C-like, in fact it was impossible to do anything good looking without making own functions. In this program I could generate things in a different ways, there were some interesting tools for...

@TrashyMG This Amiga has to be really boosted up. I remember about... 18 years ago I was doing a simple 3D graphics with my only Pentium computer (powered with MMX technology, overclocked to blazing 225MHz) and render times were significantly larger than these in the movie. The problem was that...