Mysterious Files PH

The various Raspberry Pi camera modules have become the default digital camera hacker’s tool, and have appeared in a huge number of designs over the past decade. They’re versatile and affordable, and while the software can sometimes be a little slow, they’re also of decent enough quality for the investment. Making a Pi camera can be annoying though, because different screens, lenses, and modules have their own mounting requirements. [Jacob David C Cunningham] has a solution here, with a modular Raspberry Pi camera, as an experimentation platform for different screens and lenses.

It takes the form of a central unit that holds the Pi and its support components, and front and rear modules for the screens or displays. Examples are given using the HQ and non-HQ modules, as well as with round or rectangular displays.

When designing a camera for 3D printing it’s a very difficult task, to replicate or exceed the industrial design of commercial cameras. Few succeed, and we’d include ourselves among that number. But this one comes close; it looks like a camera we’d like to use. We like it.

As pointed out by Tom’s Hardware, it’s been 26 years since the introduction of the gigahertz desktop CPU. AMD beat Intel to the punch by dropping the 1 GHz Athlon chip on March 6th of 2000, and partnered with Compaq and Gateway (remember them?) to deliver pre-built machines featuring the speedy silicon just a week later. The archived press release announcing the availability of the chip makes for some interesting reading: AMD compares the accomplishment with Chuck Yeager breaking the sound barrier, and mentions a retail price of $1,299 for the CPU when purchased in 1,000 unit quantities. In response Intel “launched” their 1 GHz Pentium III chip two days later for $990, but supply problems kept it out of customer’s hands for most of the year.

Speaking of breaking a barrier, Mobile World Congress took place this week in Barcelona, where TechCrunch reports there was considerable interest in developing a sub-$50 smartphone. The GSM Association’s Handset Affordability Coalition is working with major telecom carriers in Africa and as of yet unnamed hardware partners to develop the low-cost 4G device with the hopes of bringing an additional 20 million people online. While the goal is worthy enough, industry insiders have pointed out that the skyrocketing cost of memory will make it particularly challenging to meet the group’s aspirational price point.

While we’re big fans of affordable hardware at Hackaday, we’re less enthusiastic when it comes at the cost of repairability. It seems that won’t be a problem with Lenovo’s new T14 and T16 ThinkPads however, as earlier this week iFixit announced they were giving the laptops a provisional repairability score of 10 out of 10. As impressive as this sounds, there’s a bit of a caveat here: Lenovo apparently achieved this milestone by working closely with iFixit to identify pain points that could be improved.

Of course, this doesn’t invalidate the work both companies put into these new machines, but you do have to wonder if it didn’t put a thumb on the scale. To address this there’s an Editor’s Note at the top of the post denying that any preferential treatment was given while scoring.

Although we’re thrilled to see a manufacturer other than Framework actually put effort into making their laptops cheaper and easier to repair, it’s a shame that things have gotten to the point that repairability is now considered a special feature. We’re not just talking about computers either; modern cars are notoriously difficult to work on, and electrics doubly so. Which is what makes the Aria EV so appealing.

Developed by students at the Eindhoven University of Technology in the Netherlands, the electric car is designed to be as repairable as possible. Before you get too excited, the idea isn’t to try and get the car to market. In fact, the team cautions that the vehicle isn’t technically street legal. Rather it serves as an technical demonstrator and test bed for concepts that one day the major players might include in their own vehicles, such as using multiple smaller battery packs that are easier to service than one gargantuan array of cells.

Finally, we’re not quite sure how long it’s been around, but we’ve been having a blast browsing through Famelack recently. It allows you to watch free Internet TV streams from all over the world right in your browser. The About page mentions several open source projects being used under the hood, such as Three.js, which powers the slick 3D globe used to select which country you want to tune into. Perhaps most notably however, it’s using the collection of streams curated by the iptv-org project, a valuable resource to keep in mind for future projects. If you end up watching anything particularly noteworthy, let us know in the comments.

See something interesting that you think would be a good fit for our weekly Links column? Drop us a line, we’d love to hear about it.

With the RAM and storage crisis hitting personal computing very hard – along with new software increasingly suffering the effects of metastasizing ‘AI’ – more people than ever are pining for the ‘good old days’. For example, using that early 2000s desktop PC with Windows 98 SE might now seem to be a viable alternative in 2026, because it couldn’t possibly make things worse. Or could it? As a reality check, [SteelsOfLiquid] over on YouTube gave this setup a whirl.

The computer of choice is a very common Dell Dimension 2100, featuring a zippy 1.1 GHz Intel Celeron, 256 MB  of DDR1, and a spacious 38 GB HDD. Graphics are provided by the iGPU in the Intel i810 chipset, all in a compact, 6.9 kg light package. As an early Windows XP PC, this gives Windows 98 SE probably a pretty solid shot at keeping up with the times. At least the early 2000s, natch.

Of course, there is a lot of period-correct software you can install, such as Adobe Photoshop 5, MS Office 97 (featuring everyone’s beloved Clippy), but a lot of modern software also runs, with the Retro Systems Revival blog documenting many that still run on Win98SE in some manner, including Audacity 2.0. This makes it totally suitable for basic productivity things.

Gaming on Win98 is naturally limited to games from around that early 2000s time period or before, but the gaming library even for just Win98 and MS-DOS is pretty massive, so as long as you’re fine not playing the latest and greatest games, this is also pretty easy.

Where things get dicey is of course with using the modern Internet, as you need a modern browser and support for the latest TLS encryption features to not have many websites throw a hissy fit. Using Frog Find and similar proxies that target retro computing help here, fortunately.

Previously we covered ways that you can use Discord even on Windows 95 and Windows NT 3.1, others have ported .NET applications to Windows 9x, got Win98 up and running on a 2020-era system, and you can totally use modern YouTube in even the Netscape 2.x browser using an NPAPI plugin.

Although there are many arguments to be made for using at least a Windows version with an NT kernel over the 9x one, it’s hard to deny that software Back Then was less complex, less resource-hungry and still got all the things done. Maybe it is worth another look, before the AI Crisis forces us all back on Windows XP systems like the one featured in this video.

A long winter has a way of making a lot of us northerners a little bit squirrly. In [Build N Pulsejets]’s case, squirly enough to mount a home-made propane-powered pulse-jet to a kids’ kick scooter and take to the frozen lake for a rip.

Okay, well, it started as a kid’s scooter, but after trying it on the ice sans pulsejet, [Build N] decided that his cabin fever wasn’t quite bad enough to risk using it in stock configuration. Before mounting the 180 lb thrust (800 N) pulse jet he’d built in a previous video, a few modifications would be needed. Namely, a trio of scrap metal skis and a goodly amount of metalwork to mount them, and the pulse jet. Even on ice, with relatively little friction, the mass of maker and a full propane tank meant the acceleration wasn’t great, but he did get it over 44 mph (77 km/h) on the snowmobile drag strip. (Yeah, snowmobile drag racing’s a thing in the frozen north. Those of you sipping mai tais in the tropics are probably pretty jealous right now, huh?)

These pages have been no stranger to pulse jets, given that they’re probably the easiest engine to build at home. We’ve seen them mounted on everything from go karts, to Swedish snomobiles, and even tea kettles.  Actually, we’ve seen two of those. No points for guessing what nation the tea kettle builds hail from.

During the 1990s the Chornobyl Nuclear Power Plant – formerly the Chernobyl NPP – continued operating with its remaining three RBMK reactors, but of course the 1970s-era automation with its very limited SKALA computer required some serious modernization. What was interesting here is that instead of just replacing this entire Soviet-era mainframe with a brand-new 1990s one, the engineers responsible opted to build a new system – called DIIS – around it. This is detailed in a recent video by the [Chornobyl Family] on YouTube.

This SKALA industrial control system was previously detailed in a video, covering this 24-bit mainframe computer and its many limitations. It wasn’t quite a real-time control system, but it basically did what it was designed to do. Since at the time it was not clear for how long these three RBMKs would be kept running, they didn’t want to go overboard with investments either.

Ultimately Unit 2 only was active until 1991 due to a turbine fire, Unit 1 until 1996 and Unit 3 was shutdown for the last time in 2000, so this a sensible decision. During those years, an auxiliary information-measurement system (DIIS) was the big upgrade, which got bridged into SKALA via a Ukrainian-made SM-1210 minicomputer, with the latter connected to an 80386 PC which itself was connected to an ARCnet hub.

Best part of this DIIS upgrade was that it made it possible to run modeling algorithms for the reactor core based on measurements, without having to send data all the way over to the central control office in Moscow. Now reactor parameters could be visualized in real-time, and adjustments made via the same PRIZMA program’s magnetic tapes of the SKALA system as before.

Although the result was a bit of an odd mixture of 1970s Soviet mainframe design, 1980s-derived Ukrainian mainframe design and 1990s Intel computing power, it worked well enough to bring the ChNPP to the very doorstep of the 21st century with no issues worthy of note. Definitely a testament to the engineers who hacked this upgrade together and made it work so smoothly.

Although to the average person a camera lens is just that bit of glass you stick on the front of the camera to make stuff appear in focus, there’s a whole wide world out there of lens designs and modifications with enough variety to make your head spin. Some of these designs make a big impact, while others fade away again, sometimes at the whims of film makers and photographers. Prism-based anamorphic lenses are an oddity that recently [Mathieu Stern] got his hands on. (Video, embedded below.)

During the 1950s and 1960s there was a bit of a competition between anamorphic formats, which use special lenses that ‘squeeze’ a larger image so that widescreen movies could be recorded on standard 35 mm film. By using the same lens for recording and playback, the result was a mostly distortion-free image. Here the Technirama format by Technicolor who teamed up with Dutch company De Oude Delft (‘Old Delft’) to produce the prism-based Delrama lenses that fit on existing lenses for cameras and projectors.

Despite having a clearly superior, distortion-free image than the cylindrical lenses of the competition, Technirama got pushed out of the commercial market, leaving De Oude Delft to try and interest the consumer market for Delrama with 8 and 16 mm adapters. These latter are the ones that [Mathieu] got his hands on and tried out with a DSLR camera.

Troublesome with these Delrama adapters is that their silver mirrors tend to degrade over time, and they also turned out to be rather fragile, which are both things that made consumers sour on them. Another challenge was the fixed four meter focus that’s great when you’re using it with a projector, but terrible for up-close shots. All of these issues resulted in Delrama fading from the market by the 1970s until all that remains are these remnants of a format that once was used to film some of the biggest Hollywood movies.

Instant photography is a miracle of the analog age, chemical photographs that develop in your hands moments after the shutter has been pressed. You can buy instant cameras and film from Fuji and the successor company to Polaroid, the originator of the technology, but they’re expensive. Fortunately [BoxArt] is here for those seeking a cheaper alternative, with an instant camera featuring a Raspberry Pi and a printer (Lithuanian language, Google Translate link).

It’s a fairly straightforward arrangement, with the Pi Zero and camera driving a receipt printer. There’s a nicely engineered 3D printed case, and the guts of a power bank to provide the volts for the thing. There are a set of status lights on top, and that’s it. Press the button, get a not-very-good grayscale image on curly paper.

You can of course buy off-the-shelf grayscale printing cameras from your favorite import site for much less than the cost of this camera, but we think this would probably take better pictures. Meanwhile if the original instant photography interests you, we’ve got you covered.