Inside A Compact Intel 3000 W Water-Cooled Power Supply

February 22, 2026 by Maya Posch 7 Comments

Recently [ElecrArc240] got his paws on an Intel-branded 3 kW power supply that apparently had been designed as a reference PSU for servers. At 3 kW in such a compact package air cooling would be rather challenging, so it has a big water block sandwiched between the two beefy PCBs. In the full teardown and analysis video of the PSU we can see the many design decisions made to optimize efficiency and minimize losses to hit its 80 Plus Platinum rating.

For the power input you’d obviously need to provide it with 240 VAC at sufficient amps, which get converted into 12 VDC at a maximum of 250 A. This also highlights why 48 VDC is becoming more common in server applications, as the same amount of power would take only 62.5 A at that higher voltage.

The reverse-engineered schematic shows it using an interleaved totem-pole PFC design with 600 V-rated TI LMG3422 600V GaN FETs in the power stages. After the PFC section we find a phase-shifted full bridge rectifier with OnSemi’s SiC UF3C065030K4S Power N-Channel JFETs.

There were a few oddities in the design, such as the Kelvin source of the SiC JFET being tied into the source, which renders that feature useless. Sadly the performance of the PSU was not characterized before it was torn apart which might have provided some clues here.

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Panoramic Film Camera Made From 3D Printed Parts

February 20, 2026 by Bryan Cockfield 4 Comments

Even though digital cameras have lowered the barrier of entry to photography dramatically, as well as made it much easier for professionals and amateurs alike to capture stunning images without the burden of developing film, the technology behind them is considerably more complex than their analog counterparts. In fact, an analog film camera (not counting the lens) can be as simple as a lightproof box and a way to activate a shutter. Knowing that, any kind of film camera could be built for any number of applications, like this 3D-printed panoramic camera from [Denis Aminev].

The custom-built camera works by taking a standard roll of 35mm film, which is standardized to take 36 pictures, and exposing a wider section of the film to create a panorama. This reduces the number of pictures on the roll to 19. This is the fifth version of this camera, called the Infidex 176 V, and has everything a standard film camera would have, from an exposure counter, pressure plate for the film, a winder, interchangable lenses, a viewfinder, and a tripod mounting point. It does take a bit of work to assemble, as shown in the video linked below, but the final result is impressive and delivers a custom finished product not easily found or reproducible in off-the-shelf cameras.

The path to creating this camera was interesting as well, as [Denis]’s first custom film camera was a pinhole camera. From there he moved on to disassembling an SLR camera and attempting to reproduce all of its parts with 3D printed ones. With that in hand, he was able to modify this design into this panoramic camera which he likes because it reproduces the feel of widescreen movies. Although this camera reproduces all of the bells and whistles of a high quality analog camera, not all of these features are strictly necessary for taking pictures on film. Have a look at this minimum viable camera as well.

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Hackaday Podcast Episode Ep 358: Soft Displays, LCD Apertures, And Mind Controlled Toys

February 20, 2026 by Jenny List 8 Comments

For today’s podcast Elliot Williams is joined by Jenny List, and we’re pushing the limits of mobile connectivity as Jenny’s coming to us from a North Sea ferry. We start by looking forward to the upcoming Hackaday Europe, with a new location in Lecco, Italy. We hope you can join us there!

There’s a bumper collection of hacks to talk about, with a novel soft pneumatic display, a CRT-based VR headset, an LCD photographic aperture, and a novel time-of-flight sensor array in the line-up.Then there are 3D printed PCBs, Scotch tape for a lens, and a project to map farts. We kid you not. Finally we wrap up with mind controlled toys, and a a treatise on requirements and specifications in an age of AI.

Or download it yourself in glorious 192 kbps MP3.

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Poking At The ESP32-P4 And -C6 Dies In An ESP32-P4-M3 Module

February 19, 2026 by Maya Posch 7 Comments

The RF section of the ESP32-C6 die. (Credit: electronupdate, YouTube)

With the ESP32-P4 not having any wireless functionality and instead focusing on being a small SoC, it makes sense to combine it with a second chip that handles features like WiFi and Bluetooth. This makes the Guition ESP32-P4-M3 module both a pretty good example of how the P4 will be used, and an excellent opportunity to tear into, decap and shoot photos of the dies of both the P4 and the ESP32-C6 in this particular module, courtesy of [electronupdate]. There also the blog post for those who just want to ogle the shinies.

After popping the metal shield on the module, you can see the contents as in the above photo. The P4 inside is a variant with 32 MB of PSRAM integrated along with the SoC die. This results in a die shot both of this PSRAM and the P4 die, though enough of the top metal seems to remain to clearly see the latter.

The Boya brand Flash chip is quite standard inside, and along with a glance at the inside of one of the crystal oscillators we get to glance at the inside of the C6 MCU. This is a much more simple chip than the P4, with the RF section quite obvious. The total die sizes are 2.7 x 2.7 mm for the C6 and 4.29 x 3.66 mm for the P4.

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Fixing A Destroyed XBox 360 Development Kit

February 19, 2026 by Maya Posch 10 Comments

As common as the Xbox 360 was, the development kits (XDKs) for these consoles are significantly less so. This makes it even more tragic when someone performs a botched surgery on one of these rare machines, leaving it in dire straits. Fortunately [Josh Davidson] was able to repair the XDK in question for a customer, although it entailed replacing the GPU, CPU and fixing many traces.

The Xbox 360 Development Kit is effectively a special version of the consumer console — with extra RAM and features that make debugging software on the unit much easier, such as through direct access to RAM contents. They come in a variety of hardware specifications that developed along with the game console during its lifecycle, with this particular XDK getting an upgrade to being a Super Devkit with fewer hardware restrictions.

Replacing the dead GPU was a new old stock Kronos 1 chip. Fortunately the pads were fine underneath the old GPU, making it easy to replace. After that various ripped-off pads and traces were discovered underneath the PCB, all of which had to be painstakingly repaired. Following this the CPU had apparently suffered heat damage and was replaced with a better CPU, putting this XDK back into service.

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New Tool Makes 3D Printed PCBs, Fast

February 19, 2026 by Lewin Day 41 Comments

Getting PCBs made is often the key step in taking a dodgy lab experiment and turning it into a functional piece of equipment. However, it can be tedious to wait for PCBs to ship, and that can really slow down the iterative development process. If you’ve got a 3D printer, though, there’s a neat way to make your own custom PCBs. Enter PCB Forge from [castpixel].

The concept involves producing a base and a companion mold on your 3D printer. You then stick copper tape all over the base part, using the type that comes with conductive adhesive. This allows the construction of a fully conductive copper surface across the whole base. The companion mold is then pressed on top, pushing copper tape into all the recessed traces on the base part. You can then remove the companion mold, quickly sand off any exposed copper, and you’re left with a base with conductive traces that are ready for you to start soldering on parts. No etching, no chemicals, no routing—just 3D printed parts and a bit of copper tape. It rarely gets easier than this.

You can design your PCB traces in any vector editor, and then export a SVG. Upload that into the tool, and it will generate the 3D printable PCB for you, automatically including the right clearances and alignment features to make it a simple press-together job to pump out a basic PCB. It bears noting that you’re probably not going to produce a four-layer FPGA board doing advanced high-speed signal processing using this technique. However, for quickly prototyping something or lacing together a few modules and other components, this could really come in handy.

The work was inspired by a recent technique demonstrated by [QZW Labs], which we featured earlier this year. If you’ve got your own hacks to speed up PCB production time, or simply work around it, we’d love to know on the tipsline! Video after the break.

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Diamond Age-Inspired Pocket Watch Has ESP32 Inside

February 18, 2026 by Tyler August 20 Comments

A lot of hacks get inspired by science fiction. When that inspiration is taken from the boob tube or the silver screen, the visual design is largely taken care of by the prop department. If, on the other hand, one seeks inspiration from the written word– like [Math Campbell] did for his smart pocket watch inspired by The Diamond Age— the visuals are much more up to the individual hacker. Though no nanotechnology was involved in its creation, we think [Math] nailed the Victorian High-Tech vibe of [Neal Stephenson]’s cult classic.

The build itself is fairly simple: [Math] started with a Waveshare dev board that got him the 1.75″ round touch display, along with an ESP32-S3 and niceties such as a six-axis IMU, an RTC, microphone, speaker, and micro SD card reader. That’s quite the pocket watch! The current firmware, which is available on GitHub, focuses on the obvious use case of a very stylish watch, as well as weather and tidal display. Aside from the dev board, [Math] needed only to supply a battery and a case.

[Math] designed the case for the watch himself in Fusion360 before sending it off to be 3D printed in stainless steel. That might not be molecular-scale manufacturing like in the book, but it’s still amazing you can just do that. Ironically, [Math] is a silversmith and will be recreating the final version of the watch case in sterling silver by hand. We’d be tempted to include a door–making it a “hunter’s case” in pocket watch lingo–to protect that amoled display, but far be it for us to tell an artist how to do his work. If you’re not a silversmith, [Math] has stated his intent to add STLs to the GitHub repo, though they aren’t yet present at time of writing.

We’ve featured smart pocket watches before, some with more modern aesthetics. Of course a watch doesn’t have to be smart to grace these pages.

Thanks to [Math Campbell] for the tip! If you’ve got time on your hands after ticking done on a project, send us a tip and watch for it to appear here.