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Last Notes

2026-07-18 08:00:00 UTC

Cross-Sectioning Crickets with a Femtosecond Laser
https://hackaday.com/wp-content/uploads/2026/07/cricket_cross_section.png?w=800
Unlike most cutting lasers, femtosecond lasers don’t vaporize materials; rather, they produce such short, intense bursts of light that the affected region is ablated without having the chance to heat https://hackaday.com/2026/07/18/cross-sectioning-crickets-with-a-femtosecond-laser/
https://hackaday.com/2026/07/18/cross-sectioning-crickets-with-a-femtosecond-laser/

2026-07-12 02:00:05 UTC

Trying to Use a 2007 Samsung UMPC as Wii U Gamepad
https://hackaday.com/wp-content/uploads/2026/07/samsung_umpc_wii_u_gamepad_bringus_studios_youtube.jpg?w=800
As unique the Nintendo Wii U Gamepad may appear to be, at its core it’s pretty much just a tablet with game controls stuck on it. Now that the communication https://hackaday.com/2026/07/11/trying-to-use-a-2007-samsung-umpc-as-wii-u-gamepad/
https://hackaday.com/2026/07/11/trying-to-use-a-2007-samsung-umpc-as-wii-u-gamepad/

2026-04-02 14:00:28 UTC

Ask Hackaday: How Much Compute is Enough?
https://hackaday.com/wp-content/uploads/2026/04/Compute.jpg?w=800
Over the history of this business, a lot of people have foreseen limits that look rather silly in hindsight– in 1943, IBM President Thomas Watson declared that “I think there https://hackaday.com/2026/04/02/ask-hackaday-how-much-compute-is-enough/
https://hackaday.com/2026/04/02/ask-hackaday-how-much-compute-is-enough/

2026-04-02 08:00:10 UTC

Post-Failure Autopsy and Analysis of an LFP Battery
https://hackaday.com/wp-content/uploads/2026/03/dead_lfp_battery_kerry_wong_youtube.jpg?w=800
Recently [Kerry Wong] had one of his Cyclenbatt LiFePO4 batteries die after only a few dozen cycles, with a normal voltage still present on the terminals. One of the symptoms https://hackaday.com/2026/04/02/post-failure-autopsy-and-analysis-of-an-lfp-battery/
https://hackaday.com/2026/04/02/post-failure-autopsy-and-analysis-of-an-lfp-battery/

2026-04-02 05:00:03 UTC

Every 3D Printable Film Camera, In One Place
https://hackaday.com/wp-content/uploads/2026/03/3dp-cameras-featured.jpg?w=800
For those of us who hack old cameras, the 3D printer has undoubtedly been a boon. High precision, or at least consistent precision, lightproof enclosures can be easily made and https://hackaday.com/2026/04/01/every-3d-printable-film-camera-in-one-place/
https://hackaday.com/2026/04/01/every-3d-printable-film-camera-in-one-place/

2026-04-02 02:00:31 UTC

Watch an Electro-Permanent Magnet In Action
https://hackaday.com/wp-content/uploads/2026/03/EEVblog-1656-MAILBAG_-ElectroPermanent-Magnet-DIN-PSUs-Sponge-Beelink-EQ14-N150-PC-8-35-screenshot-banner-1.png?w=800
Electro-permanent magnets (EPMs) are pretty nifty concepts, and if you aren’t familiar with them, they are permanent magnets with the ability to be electrically switched on or off. Unlike an https://hackaday.com/2026/04/01/watch-an-electro-permanent-magnet-in-action/
https://hackaday.com/2026/04/01/watch-an-electro-permanent-magnet-in-action/

2026-04-01 22:38:48 UTC

Following Artemis II’s Journey Around the Moon
https://hackaday.com/wp-content/uploads/2022/08/ArtemisRocket.jpg?w=800
NASA is going back to the Moon! We’ll follow the crew of Artemis II every step of the way. Liftoff! After resolving a last-minute communications issue with the Flight Termination https://hackaday.com/2026/04/01/following-artemis-iis-journey-around-the-moon/
https://hackaday.com/2026/04/01/following-artemis-iis-journey-around-the-moon/

2026-04-01 20:00:11 UTC

Battery Tester Outperforms Cheaper Options
https://hackaday.com/wp-content/uploads/2026/03/battery-tester-main.png?w=800
Batteries are notoriously difficult pieces of technology to deal with reliably. They often need specific temperatures, charge rates, can’t tolerate physical shocks or damage, and can fail catastrophically if all https://hackaday.com/2026/04/01/battery-tester-outperforms-cheaper-options/
https://hackaday.com/2026/04/01/battery-tester-outperforms-cheaper-options/

2026-04-01 18:30:32 UTC

Mercury Audio Cables, So Nobody Else Has To Do It
https://hackaday.com/wp-content/uploads/2026/03/hg-cables.jpg?w=800
We’ve seen our fair share of audiophile tomfoolery here at Hackaday, and we’ve even poked fun at a few of them over the years. Perhaps one of the most outrageously https://hackaday.com/2026/04/01/mercury-audio-cables-so-nobody-else-has-to-do-it/
https://hackaday.com/2026/04/01/mercury-audio-cables-so-nobody-else-has-to-do-it/

2026-04-01 17:00:35 UTC

Ask Hackaday: Using CoPilot? Are You Entertained?
https://hackaday.com/wp-content/uploads/2023/02/ChatGPT-1.jpg?w=800
There’s a great debate these days about what the current crop of AI chatbots should and shouldn’t do for you. We aren’t wise enough to know the answer, but we https://hackaday.com/2026/04/01/ask-hackaday-using-copilot-are-you-entertained/
https://hackaday.com/2026/04/01/ask-hackaday-using-copilot-are-you-entertained/

2026-04-01 15:30:03 UTC

A Better Jogging Stroller
https://hackaday.com/wp-content/uploads/2026/03/stroller-main.png?w=800
Although the jogging stroller is a fixture of suburban life, allowing parents the opportunity to get some exercise while letting their young children a chance for some fresh air, it https://hackaday.com/2026/04/01/a-better-jogging-stroller/
https://hackaday.com/2026/04/01/a-better-jogging-stroller/

2026-04-01 14:00:29 UTC

WheatForce: Learning From CPU Architecture Mistakes
https://hackaday.com/wp-content/uploads/2022/11/old-processors-featured.jpg?w=800
Nothing ever made is truly perfect and indeed, CPU architectures like x86, RISC-V, ARM, and PowerPC all have their own upsides and downsides. Today, I aim to make an architecture https://hackaday.com/2026/04/01/wheatforce-learning-from-cpu-architecture-mistakes/
https://hackaday.com/2026/04/01/wheatforce-learning-from-cpu-architecture-mistakes/

2026-04-01 08:00:53 UTC

A Novel 555 Circuit In 2026
https://hackaday.com/wp-content/uploads/2026/03/555-vfc-featured.jpg?w=800
The humble NE555 has been around for over five decades now, and while during that time we’ve seen a succession of better and faster versions of the original, the circuits https://hackaday.com/2026/04/01/a-novel-555-circuit-in-2026/
https://hackaday.com/2026/04/01/a-novel-555-circuit-in-2026/

2026-04-01 05:00:43 UTC

Running a Game on a PC with no System RAM
https://hackaday.com/wp-content/uploads/2026/03/ram-less_computer_portalrunner_youtube.jpg?w=800
As a clear sign of how desperate these RAMpocalypse times are becoming, we have [PortalRunner] over on YouTube contemplating how to run modern-day software on a PC that has no https://hackaday.com/2026/03/31/running-a-game-on-a-pc-with-no-system-ram/
https://hackaday.com/2026/03/31/running-a-game-on-a-pc-with-no-system-ram/

2026-04-01 02:00:57 UTC

A Nebula Straight from the Stars to Your Table
https://hackaday.com/wp-content/uploads/2026/03/Screenshot-2026-03-29-175347.png?w=800
Space may truly be the final frontier, but maybe that frontier can be closer than you thought. Pictures of nebulae and planets bring the colorful sights of deep space right https://hackaday.com/2026/03/31/a-nebula-straight-from-the-stars-to-your-table/
https://hackaday.com/2026/03/31/a-nebula-straight-from-the-stars-to-your-table/

2026-03-31 20:00:26 UTC

How Small Can A Linux Executable Be?
https://hackaday.com/wp-content/uploads/2026/03/nanoelf.png?w=800
With ever increasing sizes of various programs (video games being notorious for this), the question of size optimization comes up more and more often. [Nathan Otterness] shows us how it’s https://hackaday.com/2026/03/31/how-small-can-a-linux-executable-be/
https://hackaday.com/2026/03/31/how-small-can-a-linux-executable-be/

2026-03-31 18:30:04 UTC

An Oscilloscope The Way They Used To Be
https://hackaday.com/wp-content/uploads/2026/03/crt-scope-featured.jpg?w=800
It’s likely that Hackaday has a readership with the highest percentage of oscilloscope ownership among any in the world, and we’re guessing that most of you who fit in that https://hackaday.com/2026/03/31/an-oscilloscope-the-way-they-used-to-be/
https://hackaday.com/2026/03/31/an-oscilloscope-the-way-they-used-to-be/

2026-03-31 17:00:01 UTC

Improving FDM Filament Drying With a Spot of Vacuum
https://hackaday.com/wp-content/uploads/2020/02/3D-Printering-Header-New.jpg?w=800
Keeping your filament safely away from moisture exposure is one of the most crucial aspects of getting a good 3D print, with equipment like a filament dryer a standard piece https://hackaday.com/2026/03/31/improving-fdm-filament-drying-with-a-spot-of-vacuum/
https://hackaday.com/2026/03/31/improving-fdm-filament-drying-with-a-spot-of-vacuum/

2026-03-31 15:30:39 UTC

Reverse-Engineering The Holy Stone H120D Drone
https://hackaday.com/wp-content/uploads/2026/03/dronesdrones-feature.jpg?w=800
There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, reverse-engineering one of these protocols is a hacker community classic. Today, https://hackaday.com/2026/03/31/reverse-engineering-the-holy-stone-h120d-drone/
https://hackaday.com/2026/03/31/reverse-engineering-the-holy-stone-h120d-drone/

2026-03-31 08:00:10 UTC

The D in DNS Stands for DOOM
https://hackaday.com/wp-content/uploads/2026/03/doom_over_dns_adam_rice.png?w=800
As literally everything ought to be able to play DOOM in some fashion, [Adam Rice] recently set out to make the venerable DNS finally play the game after far too many https://hackaday.com/2026/03/31/the-d-in-dns-stands-for-doom/
https://hackaday.com/2026/03/31/the-d-in-dns-stands-for-doom/

2026-03-31 05:00:37 UTC

PDP-11 Lives in Literal Computer Desk Once More
https://hackaday.com/wp-content/uploads/2026/03/usagi-ikea-pdp11.jpg?w=800
When you think of iconic parings, your brain probably goes more to “cookies and milk” than “DEC and Ikea” but after watching [Dave]’s latest on Usagi Electric where he puts https://hackaday.com/2026/03/30/pdp-11-lives-in-literal-computer-desk-once-more/
https://hackaday.com/2026/03/30/pdp-11-lives-in-literal-computer-desk-once-more/

2026-03-31 02:00:38 UTC

See The Computers That Powered The Voyager Space Program
https://hackaday.com/wp-content/uploads/2026/03/voyager-feature.png?w=800
Have you ever wanted to see the computers behind the first (and for now only) man-made objects to leave the heliosphere? [Gary Friedman] shows us, with an archived tour of https://hackaday.com/2026/03/30/see-the-computers-that-powered-the-voyager-space-program/
https://hackaday.com/2026/03/30/see-the-computers-that-powered-the-voyager-space-program/

2026-03-30 20:00:05 UTC

Retro Open Source Camera Straight from the ’90s
https://hackaday.com/wp-content/uploads/2026/03/camera2-e1774823278704.jpg?w=800
In our modern society, we have started to take the humble camera for granted. Perhaps because of this, trendy standalone cameras have started to take off. Unfortunately, most of the https://hackaday.com/2026/03/30/retro-open-source-camera-straight-from-the-90s/
https://hackaday.com/2026/03/30/retro-open-source-camera-straight-from-the-90s/

2026-03-30 18:00:36 UTC

Recreating One of the First Hackintoshes
https://hackaday.com/wp-content/uploads/2026/03/hackintosh-main.png?w=800
Apple’s Intel era was a boon for many, especially for software developers who were able to bring their software to the platform much more easily than in the PowerPC era. https://hackaday.com/2026/03/30/recreating-one-of-the-first-hackintoshes/
https://hackaday.com/2026/03/30/recreating-one-of-the-first-hackintoshes/

2026-03-30 17:00:54 UTC

Medieval Alhambra’s Pulser Pump and Other Aquatic Marvels
https://hackaday.com/wp-content/uploads/2026/03/Patio_de_los_Arrayanes_Alhambra_02_2014.jpg?w=800
Recently the Practical Engineering YouTube channel featured a functional recreation of a pump design that is presumed by some to have been used to pump water up to the medieval https://hackaday.com/2026/03/30/medieval-alhambras-pulser-pump-and-other-aquatic-marvels/
https://hackaday.com/2026/03/30/medieval-alhambras-pulser-pump-and-other-aquatic-marvels/

2026-03-30 15:30:15 UTC

Tame the Tape: Open-Source Dotterboard for Bulk SMT Parts
https://hackaday.com/wp-content/uploads/2026/03/image-7-edited-1536x1152-16-9.png?w=800
One of the great things about building electronics today is how affordable SMT components have become — sometimes just fractions of a cent each. That low price often means ordering https://hackaday.com/2026/03/30/tame-the-tape-open-source-dotterboard-for-bulk-smt-parts/
https://hackaday.com/2026/03/30/tame-the-tape-open-source-dotterboard-for-bulk-smt-parts/

2026-03-30 14:00:27 UTC

Spy Tech: Conflicts Bring a New Number Station
https://hackaday.com/wp-content/uploads/2015/10/numbersstation.jpg?w=800
If you know much about radios and espionage, you’ve probably encountered number stations. These are mysterious stations that read out groups of numbers or otherwise encoded messages to… well… someone. https://hackaday.com/2026/03/30/spy-tech-conflicts-bring-a-new-number-station/
https://hackaday.com/2026/03/30/spy-tech-conflicts-bring-a-new-number-station/

2026-03-30 08:00:03 UTC

The Hazards of Charging USB-C Equipped Cells In-Situ
https://hackaday.com/wp-content/uploads/2026/03/charging_usb-c_cells_in-situ_video99_youtube.jpg?w=800
Can you charge those Li-ion based cells with USB-C charging ports without taking them out of the device? While this would seem to be answered with an unequivocal ‘yes’, recently https://hackaday.com/2026/03/30/the-hazards-of-charging-usb-c-equipped-cells-in-situ/
https://hackaday.com/2026/03/30/the-hazards-of-charging-usb-c-equipped-cells-in-situ/

2026-03-30 05:00:32 UTC

Writing an Open-World Engine for the Nintendo 64
https://hackaday.com/wp-content/uploads/2026/03/n64_draw_distance_game_james_lambert_youtube.jpg?w=800
Anyone who has ever played Nintendo 64 games is probably familiar with the ways that large worlds in these games got split up, with many loading zones. Another noticeable aspect https://hackaday.com/2026/03/29/writing-an-open-world-engine-for-the-nintendo-64/
https://hackaday.com/2026/03/29/writing-an-open-world-engine-for-the-nintendo-64/

2026-03-30 02:00:41 UTC

Training a Transformer with 1970s-era Technology
https://hackaday.com/wp-content/uploads/2026/03/pdp-11-transformer-main.jpg?w=800
Although generative language models have found little widespread, profitable adoption outside of putting artists out of work and giving tech companies an easy scapegoat for cutting staff, their their underlying https://hackaday.com/2026/03/29/training-a-transformer-with-1970s-era-technology/
https://hackaday.com/2026/03/29/training-a-transformer-with-1970s-era-technology/

2026-03-29 20:00:22 UTC

Laser Ranging Makes GPS Satellites More Accurate
https://hackaday.com/wp-content/uploads/2026/03/retroreflector_nasa_gps.jpg?w=800
Although GNSS systems like GPS have made pin-pointing locations on Earth’s sphere-approximating surface significantly easier and more precise, it’s always possible to go a bit further. The latest innovation involves https://hackaday.com/2026/03/29/laser-ranging-makes-gps-satellites-more-accurate/
https://hackaday.com/2026/03/29/laser-ranging-makes-gps-satellites-more-accurate/

2026-03-29 17:00:20 UTC

Clean Enclosures, No Printing Necessary
https://hackaday.com/wp-content/uploads/2026/03/mircemk-enclosure-feat.jpg?w=800
Unless you’re into circuit sculptures, generally speaking, a working circuit isn’t the end-point of a lot of electronics projects. To protect your new creation from grabby hands, curious paws, and https://hackaday.com/2026/03/29/clean-enclosures-no-printing-necessary/
https://hackaday.com/2026/03/29/clean-enclosures-no-printing-necessary/

2026-03-29 14:00:58 UTC

Self-healing CMOS Imager to Withstand Jupiter’s Radiation Belt
https://hackaday.com/wp-content/uploads/2026/03/multiple-circuit-boards-and-cables-set-up-in-an-x-ray-chamber.jpg?w=800
Ionizing radiation damage from electrons, protons and gamma rays will over time damage a CMOS circuit, through e.g. degrading the oxide layer and damaging the lattice structure. For a space-based https://hackaday.com/2026/03/29/self-healing-cmos-imager-to-withstand-jupiters-radiation-belt/
https://hackaday.com/2026/03/29/self-healing-cmos-imager-to-withstand-jupiters-radiation-belt/

2026-03-29 08:00:36 UTC

Soviet CDs And CD Players Existed, And They Were Strange
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Until the fall of the Soviet Union around 1990 you’d be forgiven as a proud Soviet citizen for thinking that the USSR’s technology was on par with the decadent West. https://hackaday.com/2026/03/29/soviet-cds-and-cd-players-existed-and-they-were-strange/
https://hackaday.com/2026/03/29/soviet-cds-and-cd-players-existed-and-they-were-strange/

2026-03-29 05:00:56 UTC

Play a .WAV Instead of Typing Line After Line Into Vintage Microcomputer
https://hackaday.com/wp-content/uploads/2026/03/Rockwell-AIM-65.jpg?w=800
[Casey Bralla] got his hands on a Rockwell AIM 65 microcomputer, a fantastic example of vintage computing from the late 70s. It sports a full QWERTY keyboard, and a twenty https://hackaday.com/2026/03/28/play-a-wav-instead-of-typing-line-after-line-into-vintage-microcomputer/
https://hackaday.com/2026/03/28/play-a-wav-instead-of-typing-line-after-line-into-vintage-microcomputer/

2026-03-29 02:00:50 UTC

Watch Electricity Slosh: Visualizing Impedance Matching
https://hackaday.com/wp-content/uploads/2026/03/electricy_waves_banner.png?w=800
It’s one thing to learn about transmission lines in theory, and quite another to watch a voltage pulse bounce off an open connector. [Alpha Phoenix] bridges the gap between knowledge https://hackaday.com/2026/03/28/watch-electricity-slosh-visualizing-impedance-matching/
https://hackaday.com/2026/03/28/watch-electricity-slosh-visualizing-impedance-matching/

2026-03-28 20:00:37 UTC

Apple’s Most Repairable Laptop is Thanks to Right-to-Repair
https://hackaday.com/wp-content/uploads/2026/03/Apple-Finally-Made-a-Repairable-MacBook_-0-1-39.jpeg?w=800
The common narrative around device design is that you can have repairability or a low price, but that they are inversely proportional to each other. Apple’s new budget MacBook Neo https://hackaday.com/2026/03/28/apples-most-repairable-laptop-is-thanks-to-right-to-repair/
https://hackaday.com/2026/03/28/apples-most-repairable-laptop-is-thanks-to-right-to-repair/

2026-03-28 17:00:31 UTC

Turning Tesla Model 3’s Computer Into a Desktop PC
https://hackaday.com/wp-content/uploads/2026/03/teslacomp_feat.jpg?w=800
Like many high-tech companies Tesla runs a bug bounty program. But in the case of a car manufacturer, this means that you either already have one of their cars, are https://hackaday.com/2026/03/28/turning-tesla-model-3s-computer-into-a-desktop-pc/
https://hackaday.com/2026/03/28/turning-tesla-model-3s-computer-into-a-desktop-pc/

2026-03-28 14:00:32 UTC

For Art’s Sake
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Hackers can be a strange folk. Our idea of beauty, for instance, can be rather odd. This week, Hackaday saw a few projects that were not just functional – the https://hackaday.com/2026/03/28/for-arts-sake/
https://hackaday.com/2026/03/28/for-arts-sake/

2026-03-28 08:00:17 UTC

Making a Nichrome Wirewound Power Resistor
https://hackaday.com/wp-content/uploads/2026/03/diy_nichrome_wirewound_power_resistor_theelectrobench_youtube.jpg?w=800
Although not really a cost-effective or a required skill unless you have some very specific needs not met by off-the-shelf power resistor options, making your own own wirewound power resistor https://hackaday.com/2026/03/28/making-a-nichrome-wirewound-power-resistor/
https://hackaday.com/2026/03/28/making-a-nichrome-wirewound-power-resistor/

2026-03-28 05:00:26 UTC

SEGA Music to MODfile, (Semi)Automatically
https://hackaday.com/wp-content/uploads/2026/03/sega-sound.jpg?w=800
One thing SEGA’s MegaDrive/Genisis and the Commodore Amiga had in common was–aside from the Motorola 68000 processor– being known for excellent music in games. As [reassembler] continues his quest to https://hackaday.com/2026/03/27/sega-music-to-modfile-semiautomatically/
https://hackaday.com/2026/03/27/sega-music-to-modfile-semiautomatically/

2026-03-28 02:00:09 UTC

Using FireWire on a Raspberry Pi Before Linux Drops Support
https://hackaday.com/wp-content/uploads/2026/03/canon-gl1-pi-firewire-dvgrab.jpg?w=800
Once the premium option for data transfers and remote control for high-end audiovisual and other devices, FireWire (IEEE 1394) has been dying a slow death ever since Apple and Sony https://hackaday.com/2026/03/27/using-firewire-on-a-raspberry-pi-before-linux-drops-support/
https://hackaday.com/2026/03/27/using-firewire-on-a-raspberry-pi-before-linux-drops-support/

2026-03-27 20:00:10 UTC

Laser Welding Helps YouTuber Get Ahead with Aluminum Sheet
https://hackaday.com/wp-content/uploads/2026/03/laserhead1-e1774623056287.jpg?w=800
Laser Welding is apparently the new hotness, in part because these sci-fi rayguns masquerading as tools are really cool. They cut! They weld! They Julienne Fry! Well, maybe not that https://hackaday.com/2026/03/27/laser-welding-helps-youtuber-get-ahead-with-aluminum-sheet/
https://hackaday.com/2026/03/27/laser-welding-helps-youtuber-get-ahead-with-aluminum-sheet/

2026-03-27 18:30:23 UTC

Use a Gap-Cap to Embed Hardware In Your Next 3D Print
https://hackaday.com/wp-content/uploads/2026/03/gap-cap-for-embedded-hardware-1.png?w=570
Embedding fasteners or other hardware into 3D prints is a useful technique, but it can bring challenges when applied to large or non-flat objects. The solution? Use a gap-cap. The https://hackaday.com/2026/03/27/use-a-gap-cap-to-embed-hardware-in-your-next-3d-print/
https://hackaday.com/2026/03/27/use-a-gap-cap-to-embed-hardware-in-your-next-3d-print/

2026-03-27 18:00:21 UTC

Hackaday Podcast Episode 363: The History of PLA, Laser DIY PCBs, and Corporate Craziness
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What did Elliot Williams and Al Williams read on Hackaday last week? Tune in and find out. After a bit of news, [Vik Oliver] chimes in with some deep PLA https://hackaday.com/2026/03/27/hackaday-podcast-episode-363-the-history-of-pla-laser-diy-pcbs-and-corporate-craziness/
https://hackaday.com/2026/03/27/hackaday-podcast-episode-363-the-history-of-pla-laser-diy-pcbs-and-corporate-craziness/

2026-03-27 15:30:33 UTC

Luthier Crafts Guitar from Cardboard
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The people at Signal Snowboards are well known not only for producing quality snowboards, but doing one-off builds out of unusual and perhaps questionable materials just to see what’s possible. https://hackaday.com/2026/03/27/luthier-crafts-guitar-from-cardboard/
https://hackaday.com/2026/03/27/luthier-crafts-guitar-from-cardboard/

2026-03-27 14:00:09 UTC

This Week in Security: Second Verse, Worse Than the First
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Isn’t there some claim events come in threes? After the extremely rare leak of the iOS Coruna exploit chain recently, now we have details from Google on a second significant exploit in https://hackaday.com/2026/03/27/this-week-in-security-second-verse-worse-than-the-first/
https://hackaday.com/2026/03/27/this-week-in-security-second-verse-worse-than-the-first/

2026-03-27 08:00:27 UTC

This Flow Battery Operates With No Pump Required
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Flow batteries are rather unique. They generate electricity by the combination of two fluids flowing on either side of a membrane. Typically, this involves the use of some kind of https://hackaday.com/2026/03/27/this-flow-battery-operates-with-no-pump-required/
https://hackaday.com/2026/03/27/this-flow-battery-operates-with-no-pump-required/

2026-03-27 05:00:55 UTC

Improving Soda by Turning It Into Mead
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You can certainly just chug down that bottle of soda you purchased, but if you accept the premise that the preparation of food and drink is just a subset of https://hackaday.com/2026/03/26/improving-soda-by-turning-it-into-mead/
https://hackaday.com/2026/03/26/improving-soda-by-turning-it-into-mead/

2026-03-27 02:00:31 UTC

Momentus Clock Aims To Find Meaning
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A lot of the time, we must assign our own meaning to the numbers on the clock. 8:30 AM is work kicking off, 12 PM is lunch, and 5PM is https://hackaday.com/2026/03/26/momentus-clock-aims-to-find-meaning/
https://hackaday.com/2026/03/26/momentus-clock-aims-to-find-meaning/

2026-03-26 20:00:56 UTC

Looking at a bike built for the apocalypse
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So-called bug out cars are a rather silly venture that serve little purpose more than snagging your jumper. The odds of a car working well through a nuclear winter are https://hackaday.com/2026/03/26/looking-at-a-bike-built-for-the-apocalypse/
https://hackaday.com/2026/03/26/looking-at-a-bike-built-for-the-apocalypse/

2026-03-26 18:30:30 UTC

Reconstructed SC62015 Opcode Reference For Sharp Pocket Computers
https://hackaday.com/wp-content/uploads/2026/03/PLAY3-Demo-on-SHARP-PC-E500-_-PC-E550-–-3-Voice-Pocket-Computer-Music-VEZAR-ポケコン-2-15-screenshot.png?w=800
Pocket computers like Sharp’s 8-bit computing marvels were a big part of the 1980s, providing super-portable processing power to anyone who wanted a bit more than what something like a https://hackaday.com/2026/03/26/reconstructed-sc62015-opcode-reference-for-sharp-pocket-computers/
https://hackaday.com/2026/03/26/reconstructed-sc62015-opcode-reference-for-sharp-pocket-computers/

2026-03-26 14:00:34 UTC

3D Print Becomes Cast Iron Wrench Via Microwave
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Consumer-grade 3D printing is good for prototyping and making relatively soft plastic stuff. If you wanna make tough things, though, it’s really hard to beat the strength of metal. [Shake https://hackaday.com/2026/03/26/3d-print-becomes-cast-iron-wrench-via-microwave/
https://hackaday.com/2026/03/26/3d-print-becomes-cast-iron-wrench-via-microwave/

2026-03-26 08:00:16 UTC

3D Printed Wire Stripper Uses PLA Blades
https://hackaday.com/wp-content/uploads/2026/03/DIY-wire-stripper.png?w=800
One might think that [Da_Rius]’s mostly 3D printed wire stripper would count its insulation-shearing blades among the small number of metal parts required, but that turns out to not be https://hackaday.com/2026/03/26/3d-printed-wire-stripper-uses-pla-blades/
https://hackaday.com/2026/03/26/3d-printed-wire-stripper-uses-pla-blades/

2026-03-26 05:00:33 UTC

Testing Severely Neglected VHS Tapes and CDs
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Physical media has a certain amount of durability associated with it, a quality which is naturally determined by the way that they’re stored. Generally this does not involve being abandoned https://hackaday.com/2026/03/25/testing-severely-neglected-vhs-tapes-and-cds/
https://hackaday.com/2026/03/25/testing-severely-neglected-vhs-tapes-and-cds/

2026-03-26 02:00:47 UTC

Demonstrating Gray Codes With Industrial Display
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Many people base huge swaths of their lives on foundational philosophical texts, yet few have read them in their entirety. The one that springs to the forefront of many of https://hackaday.com/2026/03/25/demonstrating-gray-codes-with-industrial-display/
https://hackaday.com/2026/03/25/demonstrating-gray-codes-with-industrial-display/

2026-03-25 20:00:07 UTC

The Most Intricate Of Freeform Digital Clocks
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Digital clock projects have been with us since the 1970s, when affordable LEDs and integrated circuits became available. In 2026 most of them use a microcontroller, but for the AliExpress https://hackaday.com/2026/03/25/the-most-intricate-of-freeform-digital-clocks/
https://hackaday.com/2026/03/25/the-most-intricate-of-freeform-digital-clocks/

2026-03-25 18:30:41 UTC

FLOSS Weekly Episode 867: Pangolin: People Can Lie
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This week Jonathan chats with Milo Schwartz about Pangolin, the Open Source tunneling solution. Why do we need something other than Wireguard, and how does Pangolin fix IoT and IT https://hackaday.com/2026/03/25/floss-weekly-episode-867-pangolin-people-can-lie/
https://hackaday.com/2026/03/25/floss-weekly-episode-867-pangolin-people-can-lie/

2026-03-25 17:00:44 UTC

Retail Fail: The :CueCat Disaster
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Digital Convergence Corporation is hardly a household name, and there’s a good reason for that. However, it raised about $185 million in investments around the year 2000 from companies such https://hackaday.com/2026/03/25/retail-fail-the-cuecat-disaster/
https://hackaday.com/2026/03/25/retail-fail-the-cuecat-disaster/

2026-03-25 15:30:30 UTC

Stadia Controller Reborn as Bluetooth Gamepad Adapter
https://hackaday.com/wp-content/uploads/2026/03/I-turned-my-Stadia-controller-into-a-wireless-rectangle.-I-swear-this-is-interesting.-18-22-screenshot-1.png?w=800
Tech has a problem, an e-waste problem. Google is a common offender when it comes to this, creating a product just to end support a couple of years later. Thankfully, https://hackaday.com/2026/03/25/stadia-controller-reborn-as-bluetooth-gamepad-adapter/
https://hackaday.com/2026/03/25/stadia-controller-reborn-as-bluetooth-gamepad-adapter/

2026-03-25 14:00:58 UTC

The Most Secure, Modern Computer Might Be A Mac
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The Linux world is currently seeing an explosion in new users, thanks in large part to Microsoft turning its Windows operating system into the most intrusive piece of spyware in https://hackaday.com/2026/03/25/the-most-secure-modern-computer-might-be-a-mac/
https://hackaday.com/2026/03/25/the-most-secure-modern-computer-might-be-a-mac/

2026-03-25 08:00:50 UTC

You Can Now Run MS-DOS Applications on the Apple IIe
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After a lot of debugging, [Seth Kushniryk] has managed to get the last issuess shaken out of his port of MS-DOS 2.0 to the Apple II, and has released the https://hackaday.com/2026/03/25/you-can-now-run-ms-dos-applications-on-the-apple-iie/
https://hackaday.com/2026/03/25/you-can-now-run-ms-dos-applications-on-the-apple-iie/

2026-03-25 05:00:28 UTC

3D Printed Robot Arm Built For Learning Purposes
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If you want to work with robots you can do all sorts of learning with software and simulation, but nothing quite beats getting to grips with real machinery. That was https://hackaday.com/2026/03/24/3d-printed-robot-arm-built-for-learning-purposes/
https://hackaday.com/2026/03/24/3d-printed-robot-arm-built-for-learning-purposes/

2026-03-25 02:00:15 UTC

Testing Expensive Graphene-Reinforced Nylon Filament
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Although usually nylon (generally PA6) filament is pretty cheap, there are some more exotic variants out there, such as the PA12-based Lyten 3D graphene filament that comes in at a https://hackaday.com/2026/03/24/testing-expensive-graphene-reinforced-nylon-filament/
https://hackaday.com/2026/03/24/testing-expensive-graphene-reinforced-nylon-filament/

2026-03-24 20:00:36 UTC

US FCC Prohibits Approval of New Foreign-Made Consumer Routers
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The US Federal Communications Commission (FCC) is tasked with regulating both wired and wireless communications, which also includes a national security component. This is how previously the FCC tossed networking https://hackaday.com/2026/03/24/us-fcc-prohibits-approval-of-new-foreign-made-consumer-routers/
https://hackaday.com/2026/03/24/us-fcc-prohibits-approval-of-new-foreign-made-consumer-routers/

2026-03-24 18:30:26 UTC

Using a Fiber Laser to Etch 0.1 mm PCB Traces
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Creating PCBs at home is quite easy these days (vias not withstanding), but even the best DIY methods usually can’t match the resolution offered by commercial PCB production lines. Large https://hackaday.com/2026/03/24/using-a-fiber-laser-to-etch-0-1-mm-pcb-traces/
https://hackaday.com/2026/03/24/using-a-fiber-laser-to-etch-0-1-mm-pcb-traces/

2026-03-24 17:00:17 UTC

Age-Verification and the World Before Social Media
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Although it may be hard to believe for current generations, there was a time when the Internet and the World Wide Web were not as integrated into society as it https://hackaday.com/2026/03/24/age-verification-and-the-world-before-social-media/
https://hackaday.com/2026/03/24/age-verification-and-the-world-before-social-media/

2026-03-24 15:30:35 UTC

Building a Monitor Light Bar for Better Productivity
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If you’re intending to work at your desk for long periods of time, good lighting is a must, as it can help stave off eye strain and mental fatigue. It https://hackaday.com/2026/03/24/building-a-monitor-light-bar-for-better-productivity/
https://hackaday.com/2026/03/24/building-a-monitor-light-bar-for-better-productivity/

2026-03-24 14:00:49 UTC

From Zip To Nought: The Rise and Fall of Iomega
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If you were anywhere near a computer in the mid-to-late 1990s, you almost certainly encountered a Zip drive. That distinctive purple peripheral, with its satisfying clunk as you slotted in https://hackaday.com/2026/03/24/from-zip-to-nought-the-rise-and-fall-of-iomega/
https://hackaday.com/2026/03/24/from-zip-to-nought-the-rise-and-fall-of-iomega/

2026-03-24 08:00:17 UTC

Disposable Vape Becomes Breath-Activated Synth
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Makers and hardware hackers have been collecting disposable vapes for some time now, usually to salvage their batteries or the unique displays many models now come with. But you can https://hackaday.com/2026/03/24/disposable-vape-becomes-breath-activated-synth/
https://hackaday.com/2026/03/24/disposable-vape-becomes-breath-activated-synth/

2026-03-24 05:00:26 UTC

Venus Flytrap Takes Ride Through a Particle Accelerator
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In the blue corner, we have the VENUS FLYTRAP! In the red corner, we have the underdog of the century, AN ENTIRE PARTICLE ACCELERATOR. Yes, you read that right. When https://hackaday.com/2026/03/23/venus-flytrap-takes-ride-through-a-particle-accelerator/
https://hackaday.com/2026/03/23/venus-flytrap-takes-ride-through-a-particle-accelerator/

2026-03-24 02:00:11 UTC

Low Self-Discharge, High-Voltage Supercapacitors Using Porous Carbon
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Supercapacitors rely mostly on double-layer capacitance to bridge the divide between chemical batteries and traditional capacitors, but they come with a number of weaknesses. Paramount among these are their relatively https://hackaday.com/2026/03/23/low-self-discharge-high-voltage-supercapacitors-using-porous-carbon/
https://hackaday.com/2026/03/23/low-self-discharge-high-voltage-supercapacitors-using-porous-carbon/

2026-03-23 20:00:34 UTC

Acoustic Drone Detection On the Cheap with ESP32
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We don’t usually speculate on the true identity of the hackers behind these projects, but when [TN666]’s accoustic drone-detector crossed our desk with the name “Batear”, we couldn’t help but https://hackaday.com/2026/03/23/acoustic-drone-detection-on-the-cheap-with-esp32/
https://hackaday.com/2026/03/23/acoustic-drone-detection-on-the-cheap-with-esp32/

2026-03-23 18:30:18 UTC

Build This Open-Source Graphics Calculator
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Graphics calculators are one of those strange technological cul-de-sacs. They rely on outdated technology and should not be nearly as expensive as they are, but market effects somehow keep prices https://hackaday.com/2026/03/23/build-this-open-source-graphics-calculator/
https://hackaday.com/2026/03/23/build-this-open-source-graphics-calculator/

2026-03-23 15:30:23 UTC

A Simple Switch for Simply too much Current
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A switch is simple: connect two pieces of metal together and bam! Except, it’s not that simple at high currents. How much current? Just about 400 car batteries worth would https://hackaday.com/2026/03/23/a-simple-switch-for-simply-too-much-current/
https://hackaday.com/2026/03/23/a-simple-switch-for-simply-too-much-current/

2026-03-23 14:00:20 UTC

The Zero-Power Flight Computer
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In the early days of aviation, pilots or their navigators used a plethora of tools to solve common navigation and piloting problems. There was definitely a need for some kind https://hackaday.com/2026/03/23/the-zero-power-flight-computer/
https://hackaday.com/2026/03/23/the-zero-power-flight-computer/

2026-03-23 08:00:25 UTC

Better Faux-Analog VU Meters
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One of the coolest things about old hi-fi hardware is that it often came with flickety needles that danced with the audio level. You can still buy these if you https://hackaday.com/2026/03/23/better-faux-analog-vu-meters/
https://hackaday.com/2026/03/23/better-faux-analog-vu-meters/

2026-03-23 05:00:38 UTC

Building a Laser-Driven Photoacoustic Speaker
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An MRI scan is never a pleasant occasion – even if you aren’t worried about the outcome, lying still in a confined, noisy space for long periods of time is https://hackaday.com/2026/03/22/building-a-laser-driven-photoacoustic-speaker/
https://hackaday.com/2026/03/22/building-a-laser-driven-photoacoustic-speaker/

2026-03-23 02:00:58 UTC

The 3DFX Voodoo Lives Again In An FPGA
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The 3DFX Voodoo was not the first dedicated 3D graphics chipset by any means, but it became the favourite for gamers among the early mass-market GPUs. It would be found https://hackaday.com/2026/03/22/the-3dfx-voodoo-lives-again-in-an-fpga/
https://hackaday.com/2026/03/22/the-3dfx-voodoo-lives-again-in-an-fpga/

2026-03-22 20:00:34 UTC

IDing Counterfeit Drugs Might Be Easier Than You Think
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Odds are, you’ve taken pills before; it’s a statistical certainty that some of you reading this took several this morning. Whenever you do, you’re at the mercy of the manufacturer: https://hackaday.com/2026/03/22/iding-counterfeit-drugs-might-be-easier-than-you-think/
https://hackaday.com/2026/03/22/iding-counterfeit-drugs-might-be-easier-than-you-think/

2026-03-22 17:00:06 UTC

Storing Solar Energy As Ice For Air Conditioning
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Thermal energy storage is pretty great, as phase-change energy storage is very consistent with its energy output over time, unlike chemical batteries. You also get your pick from a wide https://hackaday.com/2026/03/22/storing-solar-energy-as-ice-for-air-conditioning/
https://hackaday.com/2026/03/22/storing-solar-energy-as-ice-for-air-conditioning/

2026-03-22 14:00:54 UTC

Arduino Code? On my 8051? It’s More Likely Than You Think
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The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980. They’ve since discontinued that line, but it lives on in the low-cost STC8 family of chips, https://hackaday.com/2026/03/22/arduino-code-on-my-8051-its-more-likely-than-you-think/
https://hackaday.com/2026/03/22/arduino-code-on-my-8051-its-more-likely-than-you-think/

2026-03-22 08:00:40 UTC

How a Belkin USB Charger Pulls off a 3 Milliwatt Standby Usage
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A well-known property of wall warts like power bricks and USB chargers is that they always consume some amount of power even when there’s no connected device drawing power from https://hackaday.com/2026/03/22/how-a-belkin-usb-charger-pulls-off-a-3-milliwatt-standby-usage/
https://hackaday.com/2026/03/22/how-a-belkin-usb-charger-pulls-off-a-3-milliwatt-standby-usage/

2026-03-22 05:00:19 UTC

An Electric Jellyfish For Androids
https://hackaday.com/wp-content/uploads/2026/03/denki_kurage_featured.png?w=800
We have to admit, we didn’t know that we wanted a desktop electric jellyfish until seeing [likeablob]’s Denki-Kurage, but it’s one of those projects that just fills a need so https://hackaday.com/2026/03/21/an-electric-jellyfish-for-androids/
https://hackaday.com/2026/03/21/an-electric-jellyfish-for-androids/

2026-03-22 02:00:41 UTC

Analog Video From an 8-Bit Microcontroller
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Although the CRT has largely disappeared from our everyday lives, there was a decades-long timeframe when this was effectively the only display available. It’s an analog display for an analog https://hackaday.com/2026/03/21/analog-video-from-an-8-bit-microcontroller/
https://hackaday.com/2026/03/21/analog-video-from-an-8-bit-microcontroller/

2026-03-21 20:00:44 UTC

ESP32: When Is A P4 A P4, But Not The P4 You Thought It Was
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We’re used to electronic parts of the same type staying predictably the same, sometimes over many years. An early Z80 from the mid 1970s can be exchanged with one from https://hackaday.com/2026/03/21/esp32-when-is-a-p4-a-p4-but-not-the-p4-you-thought-it-was/
https://hackaday.com/2026/03/21/esp32-when-is-a-p4-a-p4-but-not-the-p4-you-thought-it-was/

2026-03-21 17:00:00 UTC

Analog Siren for Psychedelic Soundscapes
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For better or worse, there are a few instruments that have been pigeonholed into specific genres of popular music. For example, banjos are often heard in bluegrass or folk, harmonicas https://hackaday.com/2026/03/21/analog-siren-for-psychedelic-soundscapes/
https://hackaday.com/2026/03/21/analog-siren-for-psychedelic-soundscapes/

2026-03-21 14:00:31 UTC

The Unreasonable Power Density of Lithium-Ion
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We’re all used to it by now, but I’d just like to reflect on how insanely power-packed lithium ion batteries are, and everything that’s afforded us. I’m trying to think https://hackaday.com/2026/03/21/the-unreasonable-power-density-of-lithium-ion/
https://hackaday.com/2026/03/21/the-unreasonable-power-density-of-lithium-ion/

2026-03-21 08:00:20 UTC

3D Printed Clock Just Taps It In
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The famous cuckoo clock, with its moving, chirping mechanical bird indicating various divisions of time, has been around since at least the 1600s. The most famous of them come from https://hackaday.com/2026/03/21/3d-printed-clock-just-taps-it-in/
https://hackaday.com/2026/03/21/3d-printed-clock-just-taps-it-in/

2026-03-21 05:00:40 UTC

Portable CRT TV Becomes Retro Cyberdeck
https://hackaday.com/wp-content/uploads/2026/03/Turning-a-1979-Pop-Up-CRT-TV-Into-a-Cyberdeck-Panasonic-TR-545-0-52-screenshot.png?w=800
These days, it’s pretty easy to slap together a single-board computer and a cheap LCD screen to whip up a cool cyberdeck fast. But what if you wanna go more https://hackaday.com/2026/03/20/portable-crt-tv-becomes-retro-cyberdeck/
https://hackaday.com/2026/03/20/portable-crt-tv-becomes-retro-cyberdeck/

2026-03-21 02:00:35 UTC

Slug Algorithm for On-GPU Rendering of Fonts with Bézier Curves now in Public Domain
https://hackaday.com/wp-content/uploads/2026/03/slug_library_logo.jpg?w=655
The Slug Algorithm has been around for a decade now, mostly quietly rendering fonts and later entire GUIs using Bézier curves directly on the GPU for games and other types https://hackaday.com/2026/03/20/slug-algorithm-for-on-gpu-rendering-of-fonts-with-bezier-curves-now-in-public-domain/
https://hackaday.com/2026/03/20/slug-algorithm-for-on-gpu-rendering-of-fonts-with-bezier-curves-now-in-public-domain/

2026-03-20 20:00:34 UTC

How Long Can a Quadcopter Drone Fly on Just Solar?
https://hackaday.com/wp-content/uploads/2026/03/pv_solar_drone_holding_luke_maximo_bell_youtube.jpg?w=800
The dream of fully powering everything from aircraft to cars on just the power generated from solar panels attached to the machine remains a tempting one, but always seems to https://hackaday.com/2026/03/20/how-long-can-a-quadcopter-drone-fly-on-just-solar/
https://hackaday.com/2026/03/20/how-long-can-a-quadcopter-drone-fly-on-just-solar/

2026-03-20 18:30:08 UTC

User Repair of a Not User-Repairable Victron CCGX Issue
https://hackaday.com/wp-content/uploads/2026/03/victron_color_control_panel_error_buy_it_fix_it_youtube.jpg?w=800
Power banks come in many sizes, and those that target construction sites are probably among the largest. The massive four ton unit based around lead-acid batteries which the [Buy it https://hackaday.com/2026/03/20/user-repair-of-a-not-user-repairable-victron-ccgx-issue/
https://hackaday.com/2026/03/20/user-repair-of-a-not-user-repairable-victron-ccgx-issue/

2026-03-20 15:30:53 UTC

Powering USB Devices with a Bench Supply Adapter Board
https://hackaday.com/wp-content/uploads/2026/03/benchusb_feat.jpg?w=800
Sometimes you wanna test a piece of USB hardware, but you don’t just want to plug it into a random old phone charger. [KS-Elektronikdesign] has whipped up a useful tool https://hackaday.com/2026/03/20/powering-usb-devices-with-a-bench-supply-adapter-board/
https://hackaday.com/2026/03/20/powering-usb-devices-with-a-bench-supply-adapter-board/

2026-03-20 14:00:30 UTC

This Week in Security: Linux Flaws, Python Ownage, and a Botnet Shutdown
https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800
The ides of security March are upon us — Qualys reports the discovery by their threat research unit of vulnerabilities in the Linux AppArmor system used by SUSE, Debian, Ubuntu, and https://hackaday.com/2026/03/20/this-week-in-security-linux-flaws-python-ownage-and-a-botnet-shutdown/
https://hackaday.com/2026/03/20/this-week-in-security-linux-flaws-python-ownage-and-a-botnet-shutdown/

2026-03-20 08:00:37 UTC

A Candle-Powered Game Boy For Post-Apocalyptic Tetris
https://hackaday.com/wp-content/uploads/2026/03/gbcandle_feat.jpg?w=800
We’re not exactly worried about Armageddon here at Hackaday, but should we end up facing the end of the world as we know it, having something to pass the time https://hackaday.com/2026/03/20/a-candle-powered-game-boy-for-post-apocalyptic-tetris/
https://hackaday.com/2026/03/20/a-candle-powered-game-boy-for-post-apocalyptic-tetris/

2026-03-20 05:00:39 UTC

Recording HDR Video With A Raspberry Pi
https://hackaday.com/wp-content/uploads/2026/03/IMX585-on-Raspberry-Pi-in-HDR-0-35-screenshot.png?w=800
The Raspberry Pi line of single-board computers can be hooked up with a wide range of compatible cameras. There are a number of first party options, but you don’t have https://hackaday.com/2026/03/19/recording-hdr-video-with-a-raspberry-pi/
https://hackaday.com/2026/03/19/recording-hdr-video-with-a-raspberry-pi/

2026-03-20 02:00:12 UTC

Studying a Battle Born LFP Battery’s Death Under Controlled Conditions
https://hackaday.com/wp-content/uploads/2026/03/battleborn_battery_load_test_disconnects_graphs_will_prowse_youtube.jpg?w=800
There has been quite a bit of news recently about the Battle Born LiFePO4 (LFP) batteries and how they are dying in droves if not outright melting their plastic enclosures. https://hackaday.com/2026/03/19/studying-a-battle-born-lfp-batterys-death-under-controlled-conditions/
https://hackaday.com/2026/03/19/studying-a-battle-born-lfp-batterys-death-under-controlled-conditions/

2026-03-19 20:00:46 UTC

Retro Weather Display Acts Like It’s Windows 95
https://hackaday.com/wp-content/uploads/2026/03/2284201773598879960-e1773807184468.jpg?w=800
Sometimes you really need to know what the weather is doing, but you don’t want to look at your phone. For times like those, this neat weather display from [Jordan] https://hackaday.com/2026/03/19/retro-weather-display-acts-like-its-windows-95/
https://hackaday.com/2026/03/19/retro-weather-display-acts-like-its-windows-95/

2026-03-19 18:30:02 UTC

Reading the World’s Smallest Hard Drive
https://hackaday.com/wp-content/uploads/2026/03/tiny-hdd-featured.jpg?w=800
You have a tiny twenty-year-old hard drive with a weird interface. How do you read it? If you’re [Will Whang], by reverse engineering, and building an interface board. In many https://hackaday.com/2026/03/19/reading-the-worlds-smallest-hard-drive/
https://hackaday.com/2026/03/19/reading-the-worlds-smallest-hard-drive/