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Last Notes

2026-03-14 02:00:32 UTC

Ford, Take Note: Classic Pickup Becomes the EV We Want
https://hackaday.com/wp-content/uploads/2026/03/ScottenMotors-feat.webp?w=800
Ford does sell an electric pickup, but not very many of them. We can’t say for sure, but it’s possible that if the F150 Lightning had the classic cool of https://hackaday.com/2026/03/13/ford-take-note-classic-pickup-becomes-the-ev-we-want/
https://hackaday.com/2026/03/13/ford-take-note-classic-pickup-becomes-the-ev-we-want/

2026-03-13 23:00:04 UTC

Making a Bladeless Tesla Turbine Generator in Lego
https://hackaday.com/wp-content/uploads/2026/03/bladeless_tesla_turbine_lego_jamies_brick_jams_youtube.jpg?w=800
The Tesla turbine is a bladeless centripetal-flow turbine invented by Nikola Tesla in 1913, using the boundary-layer effect rather than having a stream of gases or a fluid impinge on https://hackaday.com/2026/03/13/making-a-bladeless-tesla-turbine-generator-in-lego/
https://hackaday.com/2026/03/13/making-a-bladeless-tesla-turbine-generator-in-lego/

2026-03-13 17:15:41 UTC

Hackaday Podcast Episode 361: Hackaday Podcast Mailbag, A Phone is Not a Computer, 3D Printing History is New Again
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800" alt=""/>Join Hackaday Editors Elliot Williams and Tom Nardi as they cover their favorite hacks and stories from the week. The episode kicks off with some updates about Hackaday Europe and https://hackaday.com/2026/03/13/hackaday-podcast-episode-361-hackaday-podcast-mailbag-a-phone-is-not-a-computer-3d-printing-history-is-new-again/
https://hackaday.com/2026/03/13/hackaday-podcast-episode-361-hackaday-podcast-mailbag-a-phone-is-not-a-computer-3d-printing-history-is-new-again/

2026-03-13 15:30:34 UTC

Running a PC off AA Cells With Buck Converters Really Boosts Performance
<img width="800" height="388" src="https://hackaday.com/wp-content/uploads/2026/03/aa_battery_powered_pc_second_try_scuffedbits_youtube.jpg?w=800" alt=""/>After the previous attempt of running a PC off AA cells got a lot of comments, [ScuffedBits] decided to do the scientifically responsible thing and re-ran the experiment with all https://hackaday.com/2026/03/13/running-a-pc-off-aa-cells-with-buck-converters-really-boosts-performance/
https://hackaday.com/2026/03/13/running-a-pc-off-aa-cells-with-buck-converters-really-boosts-performance/

2026-03-13 14:00:18 UTC

This Week in Security: Plenty of Patches, Replacing Old Gear, and Phrack Calls for Papers
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800" alt=""/>When Friday the Thirteenth and Patch Tuesday happen on the same week, we’re surely in for a good time. Anyone who maintains any sort of Microsoft ecosystem knows by now https://hackaday.com/2026/03/13/this-week-in-security-plenty-of-patches-replacing-old-gear-and-phrack-calls-for-papers/
https://hackaday.com/2026/03/13/this-week-in-security-plenty-of-patches-replacing-old-gear-and-phrack-calls-for-papers/

2026-03-13 11:00:23 UTC

OS/2 Never Went Away. Its Successor Has Received An Update
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/arcaos-featured.jpg?w=800" alt=""/>ArcaOS is an operating system you might not have heard of, but you will recognize it when we tell you that it’s the direct descendant of IBM’s OS/2. It’s just https://hackaday.com/2026/03/13/os-2-never-went-away-its-successor-has-received-an-update/
https://hackaday.com/2026/03/13/os-2-never-went-away-its-successor-has-received-an-update/

2026-03-13 08:00:59 UTC

Perfecting the Shape-Changing Fruit Bowl
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/fruitbowl-feat.jpg?w=800" alt=""/>Fruit bowls have an unavoidable annoyance– not flies and rotten fruit, those would be avoidable if your diet was better. No, it’s that the bowl is never the right size. https://hackaday.com/2026/03/13/perfecting-the-shape-changing-fruit-bowl/
https://hackaday.com/2026/03/13/perfecting-the-shape-changing-fruit-bowl/

2026-03-13 05:00:47 UTC

Nintendo’s Family BASIC Keyboard Gets USB Upgrade
<img width="625" height="625" src="https://hackaday.com/wp-content/uploads/2026/03/in_briefcase_b9cad1-e1773290650803.jpg?w=625" alt=""/>America knew it as the Nintendo Entertainment System, but in Japan, it was the Family Computer (Famicom). It was more than just a home console—it was intended to actually do https://hackaday.com/2026/03/12/nintendos-family-basic-keyboard-gets-usb-upgrade/
https://hackaday.com/2026/03/12/nintendos-family-basic-keyboard-gets-usb-upgrade/

2026-03-13 02:00:17 UTC

Replicating a Nuclear Event Detector For Fun and Probably Not Profit
<img width="800" height="451" src="https://hackaday.com/wp-content/uploads/2026/03/BHG-2000_and_HSN-1000-e1773337993176.png?w=800" alt=""/>Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era HSN-1000 nuclear event detector at its heart, it had one job: announce https://hackaday.com/2026/03/12/replicating-a-nuclear-event-detector-for-fun-and-probably-not-profit/
https://hackaday.com/2026/03/12/replicating-a-nuclear-event-detector-for-fun-and-probably-not-profit/

2026-03-12 20:00:27 UTC

Mapping The Sound Field Of An Acoustic Levitator
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/I-Built-a-CT-Scanner-to-See-Sound-8-42-screenshot.png?w=800" alt=""/>Sound! It’s a thing you hear, moreso than something you see with your eyes. And yet, it is possible to visualize sound with various techniques. [PlasmatronX] demonstrates this well, using https://hackaday.com/2026/03/12/mapping-the-sound-field-of-an-acoustic-levitator/
https://hackaday.com/2026/03/12/mapping-the-sound-field-of-an-acoustic-levitator/

2026-03-12 18:30:01 UTC

How Would a Field Sequential Home Computer Have Worked?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/field-sequential-cbs.jpg?w=800" alt=""/>The early history of colour TV had several false starts, of which perhaps one of the most interesting might-have-beens was the CBS field-sequential system. This was a rival to the https://hackaday.com/2026/03/12/how-would-a-field-sequential-home-computer-have-worked/
https://hackaday.com/2026/03/12/how-would-a-field-sequential-home-computer-have-worked/

2026-03-12 15:30:50 UTC

Controlling Vintage Mac OS With AI
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/claude-logo-outta.jpg?w=800" alt=""/>Classic Mac OS was prized for its clean, accessible GUI when it first hit the scene in the 1980s. Back then, developers hadn’t even conceived of all the weird gewgaws https://hackaday.com/2026/03/12/controlling-vintage-mac-os-with-ai/
https://hackaday.com/2026/03/12/controlling-vintage-mac-os-with-ai/

2026-03-12 11:00:06 UTC

Selective Ironing Adds Designs To 3D Prints
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/Using-Ironing-to-Add-Graphics-to-3D-Prints-3-34-screenshot-banner.png?w=800" alt=""/>While working on a project that involved super-thin prints, [Julius Curt] came up with selective ironing, a way to put designs on the top surface of a print without adding https://hackaday.com/2026/03/12/selective-ironing-adds-designs-to-3d-prints/
https://hackaday.com/2026/03/12/selective-ironing-adds-designs-to-3d-prints/

2026-03-12 08:00:14 UTC

Open Source Radar Has Up To 20 KM Range
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2026/03/5106001773010796560_7fb03f-e1773288507424.jpg?w=800" alt=""/>Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very expensive. [Nawfal] hopes to make https://hackaday.com/2026/03/12/open-source-radar-has-up-to-20-km-range/
https://hackaday.com/2026/03/12/open-source-radar-has-up-to-20-km-range/

2026-03-12 05:00:11 UTC

A Radio Power Amplifier for Not a Lot
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/qrp-pa-featured.jpg?w=800" alt=""/>When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna. This is usually referred to as the power amplifier, https://hackaday.com/2026/03/11/a-radio-power-amplifier-for-not-a-lot/
https://hackaday.com/2026/03/11/a-radio-power-amplifier-for-not-a-lot/

2026-03-12 02:00:48 UTC

Hands on with Creality’s new M1 Filament Maker
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/crealityM1extruder.jpg?w=800" alt=""/>Ever since 3D printing has become a popular tool, the question of waste has been looming in the background. The sad reality of rapid prototyping is that you’re going to https://hackaday.com/2026/03/11/hands-on-with-crealitys-new-m1-filament-maker/
https://hackaday.com/2026/03/11/hands-on-with-crealitys-new-m1-filament-maker/

2026-03-11 23:00:13 UTC

Printing an Underwater Diving Helmet With Floating Air Supply
<img width="800" height="507" src="https://hackaday.com/wp-content/uploads/2026/03/dive_helmet_running_hyperspace_pirate_youtube.jpg?w=800" alt=""/>Old-school diving helmets are deceivingly simple, even if they are – as [Hyperspace Pirate] puts it in a recent video – essentially the equivalent of an upside-down bucket with an https://hackaday.com/2026/03/11/printing-an-underwater-diving-helmet-with-floating-air-supply/
https://hackaday.com/2026/03/11/printing-an-underwater-diving-helmet-with-floating-air-supply/

2026-03-11 20:00:18 UTC

3D Printing a Harmonic Pin-Ring Gearing Drive
<img width="800" height="315" src="https://hackaday.com/wp-content/uploads/2026/03/input-output-2-x2048.jpg?w=800" alt=""/>Cycloidal drives are a type of speed reducer that are significantly more compact than gearboxes, but they still come with a fair number of components. In comparison, the harmonic pin-ring https://hackaday.com/2026/03/11/3d-printing-a-harmonic-pin-ring-gearing-drive/
https://hackaday.com/2026/03/11/3d-printing-a-harmonic-pin-ring-gearing-drive/

2026-03-11 18:30:23 UTC

Are We Finally At The Point Where Phones Can Replace Computers?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/dex-pc-feat.png?w=800" alt=""/>There was an ideal of convergence, a long time ago, when one device would be all you need, digitally speaking. [ETA Prime] on YouTube seems to think we’ve reached that https://hackaday.com/2026/03/11/are-we-finally-at-the-point-where-phones-can-replace-computers/
https://hackaday.com/2026/03/11/are-we-finally-at-the-point-where-phones-can-replace-computers/

2026-03-11 16:30:01 UTC

A Rotary Dial The 3D Printed Way
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/3dp-dial-featured.jpg?w=800" alt=""/>There’s a meme which may have a basis in truth, of a teenager left clueless when presented with a rotary telephone. The dial, in reality a mechanical pulse chain generator, https://hackaday.com/2026/03/11/a-rotary-dial-the-3d-printed-way/
https://hackaday.com/2026/03/11/a-rotary-dial-the-3d-printed-way/

2026-03-11 15:31:02 UTC

German Fireball’s 15 Minutes of Fame
<img width="800" height="464" src="https://hackaday.com/wp-content/uploads/2019/08/Micrometeorites.jpg?w=800" alt=""/>Sunday night, around 7:00 PM local time, a bright fireball streaked across the western German sky, exploded, and rained chunks of space rock down on the region around Koblenz. One https://hackaday.com/2026/03/11/german-fireballs-15-minutes-of-fame/
https://hackaday.com/2026/03/11/german-fireballs-15-minutes-of-fame/

2026-03-11 11:00:08 UTC

Mini Multi-Arcade Game Cabinets with an ESP32 and Galagino
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/galagino_cabinets_survivalhacking_github.jpg?w=800" alt=""/>Most people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant complications. Ergo the market for fun-sized cabinets has exploded alongside https://hackaday.com/2026/03/11/mini-multi-arcade-game-cabinets-with-an-esp32-and-galagino/
https://hackaday.com/2026/03/11/mini-multi-arcade-game-cabinets-with-an-esp32-and-galagino/

2026-03-11 08:00:38 UTC

Calculator Case to Scratch-Built Pocket E-Reader
<img width="786" height="442" src="https://hackaday.com/wp-content/uploads/2026/03/base-bottom-16-9.png?w=786" alt="Mimisbrunnur"/>E-readers are an awesome creation allowing you to display digital information in a way that requires little battery life. While there’s plenty of very impressive models to chose from on https://hackaday.com/2026/03/11/calculator-case-to-scratch-built-pocket-e-reader/
https://hackaday.com/2026/03/11/calculator-case-to-scratch-built-pocket-e-reader/

2026-03-11 02:00:32 UTC

It’s 1979 – What Exactly Did That ∫ Key Do?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/hp34C2-Brett-Maraldo-banner.png?w=800" alt=""/>[Michel Jean] asked a question few others might: what exactly is going on under the hood of a classic HP scientific calculator when one presses the ∫ key? A numerical https://hackaday.com/2026/03/10/its-1979-what-exactly-did-that-%e2%88%ab-key-do/
https://hackaday.com/2026/03/10/its-1979-what-exactly-did-that-%e2%88%ab-key-do/

2026-03-10 23:00:29 UTC

Clear Resin Casting Replicates Old Acrylic for Selectric Repair
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/selectric-cast-feat.jpg?w=800" alt=""/>IBM Selectric typewriters have a lot of unique parts that can be tricky to source, but one we didn’t think of was the clear acrylic(?) dust covers, that are apparently https://hackaday.com/2026/03/10/clear-resin-casting-replicates-old-acrylic-for-selectric-repair/
https://hackaday.com/2026/03/10/clear-resin-casting-replicates-old-acrylic-for-selectric-repair/

2026-03-10 20:00:21 UTC

There Are No LEDs Around the Face of This Clock
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/Holographic-analog-clock-2.png?w=800" alt=""/>This unusual clock by [Moritz v. Sivers] looks like a holographic dial surrounded by an LED ring, but that turns out to not be the case. What appears to be https://hackaday.com/2026/03/10/there-are-no-leds-around-the-face-of-this-clock/
https://hackaday.com/2026/03/10/there-are-no-leds-around-the-face-of-this-clock/

2026-03-10 17:00:56 UTC

Blood Tests Could Provide Early Warning of Alzheimers Disease
<img width="800" height="412" src="https://hackaday.com/wp-content/uploads/2015/04/biomedical.jpg?w=800" alt=""/>Alzheimer’s disease remains a frustratingly difficult condition to manage for the millions of patients affected worldwide and their families. The cause of the disease is still not properly understood, and https://hackaday.com/2026/03/10/blood-tests-could-provide-early-warning-of-alzheimers-disease/
https://hackaday.com/2026/03/10/blood-tests-could-provide-early-warning-of-alzheimers-disease/

2026-03-10 15:30:21 UTC

Power Control for a Busy Workbench
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/power-strip-featured.jpg?w=800" alt=""/>Who among us does not have a plethora of mains-powered devices on their workbench, and a consequent mess of power strips to run them all? [Jeroen Brinkman] made his more https://hackaday.com/2026/03/10/power-control-for-a-busy-workbench/
https://hackaday.com/2026/03/10/power-control-for-a-busy-workbench/

2026-03-10 14:00:15 UTC

The “Tin Blimp” Was a Neither Tin Nor a Blimp: The Detroit ZMC-2 Story
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2026/03/TinBlimp.jpg?w=800" alt=""/>After all the crashing and burning of Imperial Germany’s Zeppelins in the later part of WWI – once the Brits managed to build interceptors that could hit their lofty altitude, https://hackaday.com/2026/03/10/the-tin-blimp-was-a-neither-tin-nor-a-blimp-the-detroit-zmc-2-story/
https://hackaday.com/2026/03/10/the-tin-blimp-was-a-neither-tin-nor-a-blimp-the-detroit-zmc-2-story/

2026-03-10 11:00:22 UTC

Arduino’s New AI-Centric Board is the VENTUNO Q
<img width="800" height="429" src="https://hackaday.com/wp-content/uploads/2026/03/arduino_ventuno_q_header.jpg?w=800" alt=""/>There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the answer https://hackaday.com/2026/03/10/arduinos-new-ai-centric-board-is-the-ventuno-q/
https://hackaday.com/2026/03/10/arduinos-new-ai-centric-board-is-the-ventuno-q/

2026-03-10 05:00:00 UTC

Diagnosing a Mysterious Fault with a Commodore 1541 Disk Drive
<img width="800" height="522" src="https://hackaday.com/wp-content/uploads/2026/03/commodore_1541_fdd_fault_theretrochannel_youtube.jpg?w=800" alt=""/>Recently [TheRetroChannel] came across an interesting failure mode on a Commodore 1541 5.25″ floppy disk drive, in the form of the activity LED blinking just once after power-up with the https://hackaday.com/2026/03/09/diagnosing-a-mysterious-fault-with-a-commodore-1541-disk-drive/
https://hackaday.com/2026/03/09/diagnosing-a-mysterious-fault-with-a-commodore-1541-disk-drive/

2026-03-10 02:00:23 UTC

The Sweetest Programming Language: MNM
<img width="800" height="451" src="https://hackaday.com/wp-content/uploads/2026/03/mmlang.png?w=800" alt=""/>Admit it. If you haven’t created your own little programming language, you’ve probably at least thought about it. [Muffed] decided to create a unique — and sweet — programming language https://hackaday.com/2026/03/09/the-sweetest-programming-language-mnm/
https://hackaday.com/2026/03/09/the-sweetest-programming-language-mnm/

2026-03-09 23:00:09 UTC

Building a Class 100 Semiconductor Cleanroom Inside a Shed
<img width="800" height="454" src="https://hackaday.com/wp-content/uploads/2026/03/shed_cleanroom_dr.semiconductor_youtube.jpg?w=800" alt=""/>Most people see that garden shed as little more than a place to store some gardening tools in, but if you’re like [Dr. Semiconductor], then what you see is a https://hackaday.com/2026/03/09/building-a-class-100-semiconductor-cleanroom-inside-a-shed/
https://hackaday.com/2026/03/09/building-a-class-100-semiconductor-cleanroom-inside-a-shed/

2026-03-09 20:00:54 UTC

Real-Time ISS Tracker Shows Off the Goods
<img width="800" height="430" src="https://hackaday.com/wp-content/uploads/2026/03/orbigator_feat2.jpg?w=800" alt=""/>What hardware hacker doesn’t have a soft spot for transparent cases? While they may have fallen out of mainstream favor, they have an undeniable appeal to anyone with an interest https://hackaday.com/2026/03/09/real-time-iss-tracker-shows-off-the-goods/
https://hackaday.com/2026/03/09/real-time-iss-tracker-shows-off-the-goods/

2026-03-09 18:30:00 UTC

Last Year in SBCs
<img width="600" height="600" src="https://hackaday.com/wp-content/uploads/2026/03/riscsq.png?w=600" alt=""/>While it might not be comprehensive, [Bret.dk] recently posted a retrospective titled “Every Single Board Computer I Tested in 2025.” The post covers 15 boards from 8 different companies. The https://hackaday.com/2026/03/09/last-year-in-sbcs/
https://hackaday.com/2026/03/09/last-year-in-sbcs/

2026-03-09 15:30:00 UTC

Take a Ride on wrongbaud’s Hardware Hacking Highway
<img width="800" height="345" src="https://hackaday.com/wp-content/uploads/2026/03/roadmap_feat.png?w=800" alt=""/>Regular Hackaday readers will no doubt be familiar with the work of Matthew Alt, AKA [wrongbaud]. His deep-dive blog posts break down hardware hacking and reverse engineering concepts in an https://hackaday.com/2026/03/09/take-a-ride-on-wrongbauds-hardware-hacking-highway/
https://hackaday.com/2026/03/09/take-a-ride-on-wrongbauds-hardware-hacking-highway/

2026-03-09 14:00:00 UTC

Secure Communication, Buried In A News App
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2020/06/EndEncryption.jpg?w=800" alt=""/>Cryptography is a funny thing. Supposedly, if you do the right kind of maths to a message, you can send it off to somebody else, and as long as they’re https://hackaday.com/2026/03/09/secure-communication-buried-in-a-news-app/
https://hackaday.com/2026/03/09/secure-communication-buried-in-a-news-app/

2026-03-08 23:00:45 UTC

Hackaday Links: March 8, 2026
<img width="800" height="430" src="https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800" alt="Hackaday Links Column Banner"/>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 https://hackaday.com/2026/03/08/hackaday-links-march-8-2026/
https://hackaday.com/2026/03/08/hackaday-links-march-8-2026/

2026-03-08 20:00:00 UTC

How Usable is Windows 98 in 2026?
<img width="800" height="500" src="https://hackaday.com/wp-content/uploads/2026/03/windows_98_desktop_steelsofliquid_youtube.jpg?w=800" alt=""/>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 https://hackaday.com/2026/03/08/how-usable-is-windows-98-in-2026/
https://hackaday.com/2026/03/08/how-usable-is-windows-98-in-2026/

2026-03-08 17:00:00 UTC

Pulse Jet Ski Chases the Winter Blues Away
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/pulsejetski.jpg?w=800" alt=""/>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 https://hackaday.com/2026/03/08/pulse-jet-ski-chases-the-winter-blues-away/
https://hackaday.com/2026/03/08/pulse-jet-ski-chases-the-winter-blues-away/

2026-03-08 14:00:00 UTC

Restoring a Commodore PET 3032 in Rough Condition
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/IMG_20250924_143243_714-1600x900-1.jpg?w=800" alt=""/>The Commodore CBM 3032 is a successor to the original Commodore PET 2001, yet due a conflicting trademark issue with Philips these first European PETs were called ‘CBM’ instead. Hence https://hackaday.com/2026/03/08/restoring-a-commodore-pet-3032-in-rough-condition/
https://hackaday.com/2026/03/08/restoring-a-commodore-pet-3032-in-rough-condition/

2026-03-08 11:00:00 UTC

Spoofing an Emergency Traffic Preemption Signal
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/traffic_preemption_system.png?w=800" alt="A circuit board card is shown, with a blue panel on one side. On the panel are switches and an RS-232 port."/>There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or creating a clear getaway path. Unlike many Hollywood https://hackaday.com/2026/03/08/spoofing-an-emergency-traffic-preemption-signal/
https://hackaday.com/2026/03/08/spoofing-an-emergency-traffic-preemption-signal/

2026-03-08 09:00:00 UTC

Building a Super-Compact Cistercian Numerals Clock
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/557451365-9cd29f81-9203-4d00-91ab-066bb83d9574.jpg?w=800" alt=""/>Around the thirteenth century CE, European society was in the midst between transitioning from Roman numerals to the Arabic numerals that we use today. Less remembered are the Cistercian numerals, https://hackaday.com/2026/03/08/building-a-super-compact-cistercian-numerals-clock/
https://hackaday.com/2026/03/08/building-a-super-compact-cistercian-numerals-clock/

2026-03-08 03:00:00 UTC

Hiding a Bomb in Plain Sight
<img width="800" height="505" src="https://hackaday.com/wp-content/uploads/2026/02/train.png?w=800" alt=""/>You are at war. Trains are key to keeping your army supplied with fuel, ammunition, food, and medical supplies. But, inexplicably, your trains keep blowing up. Sabotage? Enemy attack? There’s https://hackaday.com/2026/03/07/hiding-a-bomb-in-plain-sight/
https://hackaday.com/2026/03/07/hiding-a-bomb-in-plain-sight/

2026-03-07 21:00:00 UTC

The Tragic Demise of the Technirama Prism-Based Anamorphic Lens
<img width="800" height="584" src="https://hackaday.com/wp-content/uploads/2026/03/delrama_on_dslr_mathieu_stern_youtube.jpg?w=800" alt=""/>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 https://hackaday.com/2026/03/07/the-tragic-demise-of-the-technirama-prism-based-anamorphic-lens/
https://hackaday.com/2026/03/07/the-tragic-demise-of-the-technirama-prism-based-anamorphic-lens/

2026-03-07 18:00:21 UTC

Instant Photography For The Maker
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/instant-camera-featured.jpg?w=800" alt=""/>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 https://hackaday.com/2026/03/07/instant-photography-for-the-maker/
https://hackaday.com/2026/03/07/instant-photography-for-the-maker/

2026-03-07 15:00:01 UTC

Choice, Control, and Interruption
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2025/03/Glass.jpg?w=800" alt=""/>We were talking about [Maya Posch]’s rant on smartphones, “The Curse of the Everything Device”. Maya’s main point is that because the smartphone, or computer, can do everything, it’s hard https://hackaday.com/2026/03/07/choice-control-and-interruption/
https://hackaday.com/2026/03/07/choice-control-and-interruption/

2026-03-07 12:00:55 UTC

DIY 3D Pen is Born To Weld
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/3DWeldPenFeat.png?w=800"/>Depending who you ask, 3D pens are silly toys or handy tools. Those who use them as tools find them handy to fill gaps in printed assemblies or to use https://hackaday.com/2026/03/07/diy-3d-pen-is-born-to-weld/
https://hackaday.com/2026/03/07/diy-3d-pen-is-born-to-weld/

2026-03-07 09:00:58 UTC

Fixing an Onkyo Receiver with Multiple Faults
<img width="800" height="495" src="https://hackaday.com/wp-content/uploads/2026/02/onkyo_tx-sr806_insides_tony359_youtube.jpg?w=800" alt=""/>Modern-day receivers are miracles of digital audio and video processing, but compared to their more analog brethren, they can come with a host of new and fascinating faults. The Onkyo https://hackaday.com/2026/03/07/fixing-an-onkyo-receiver-with-multiple-faults/
https://hackaday.com/2026/03/07/fixing-an-onkyo-receiver-with-multiple-faults/

2026-03-07 06:00:01 UTC

Remotely Unlocking an Encrypted Hard Disk
<img width="800" height="397" src="https://hackaday.com/wp-content/uploads/2026/03/lucs.png?w=800" alt=""/>Can you remotely unlock an encrypted hard disk? [Jyn] needed to unlock their home server after it rebooted even if they weren’t home. Normally, they used Tailscale to remote in, https://hackaday.com/2026/03/06/remotely-unlocking-an-encrypted-hard-disk/
https://hackaday.com/2026/03/06/remotely-unlocking-an-encrypted-hard-disk/

2026-03-07 03:00:13 UTC

How an Old Automatic Stoker was Hacked Onto a Modern Lancashire Boiler
<img width="800" height="561" src="https://hackaday.com/wp-content/uploads/2026/03/stoker_adapter_plate_lancashire_boiler_claymills_pumping_station_youtube.jpg?w=800" alt=""/>Hacks are of all ages, with the Victorian-era Claymills Pumping Station being no exception. When its old Lancashire boilers from the 19th century were finally replaced with modern 1930s boilers, https://hackaday.com/2026/03/06/how-an-old-automatic-stoker-was-hacked-onto-a-modern-lancashire-boiler/
https://hackaday.com/2026/03/06/how-an-old-automatic-stoker-was-hacked-onto-a-modern-lancashire-boiler/

2026-03-07 00:00:54 UTC

One Sailing Pulley To Rule Them All
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/pulley-block-featured.jpg?w=800" alt=""/>When thinking of humanity’s ability to harness wind energy, many people will conjure images of windmills from places like The Netherlands or Persia. But people have been using wind energy https://hackaday.com/2026/03/06/one-sailing-pulley-to-rule-them-all/
https://hackaday.com/2026/03/06/one-sailing-pulley-to-rule-them-all/

2026-03-06 21:00:19 UTC

The World’s Smallest Marble Clock With Pick and Place Arm
<img width="800" height="520" src="https://hackaday.com/wp-content/uploads/2026/03/small_marble_clock_strange_inventions_jens_youtube.jpg?w=800" alt=""/>Clocks come in many styles and sizes, with perhaps the most visually pleasing ones involving marbles. Watching these little spheres obey gravity and form clearly readable numbers on a clock https://hackaday.com/2026/03/06/the-worlds-smallest-marble-clock-with-pick-and-place-arm/
https://hackaday.com/2026/03/06/the-worlds-smallest-marble-clock-with-pick-and-place-arm/

2026-03-06 18:30:29 UTC

Portable Tow Rope Batman Would Be Proud Of
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/grappling-main.png?w=800" alt=""/>Out of all of Batman’s massive array of tools which turn a relatively ordinary person into a superhero, perhaps his most utilitarian is his grappling gun — allowing him the https://hackaday.com/2026/03/06/portable-tow-rope-batman-would-be-proud-of/
https://hackaday.com/2026/03/06/portable-tow-rope-batman-would-be-proud-of/

2026-03-06 17:30:12 UTC

Hackaday Podcast Episode 360: Cool Rubber Bands, Science-y Stuff, and the Whys of Office Supplies
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800" alt=""/>This week, Hackaday’s Elliot Williams and Kristina Panos met up over assorted beverages to bring you the latest news, mystery sound results show, and of course, a big bunch of https://hackaday.com/2026/03/06/hackaday-podcast-episode-360-cool-rubber-bands-science-y-stuff-and-the-whys-of-office-supplies/
https://hackaday.com/2026/03/06/hackaday-podcast-episode-360-cool-rubber-bands-science-y-stuff-and-the-whys-of-office-supplies/

2026-03-06 16:30:45 UTC

Reverse Engineering the PROM for the SGI O2
<img width="800" height="533" src="https://hackaday.com/wp-content/uploads/2026/02/SGI_O2-IMG_7208.jpg?w=800" alt=""/>The SGI O2 was SGI’s last-ditch attempt at a low-end MIPS-based workstation back in 1996, and correspondingly didn’t use the hottest parts of the time, nor did it offer much https://hackaday.com/2026/03/06/reverse-engineering-the-prom-for-the-sgi-o2/
https://hackaday.com/2026/03/06/reverse-engineering-the-prom-for-the-sgi-o2/

2026-03-06 15:00:50 UTC

This Week In Security: Getting Back Up to Speed
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800" alt=""/>Editor’s Note: Over the course of nearly 300 posts, Jonathan Bennett set a very high bar for this column, so we knew it needed to be placed in the hands https://hackaday.com/2026/03/06/this-week-in-security-getting-back-up-to-speed/
https://hackaday.com/2026/03/06/this-week-in-security-getting-back-up-to-speed/

2026-03-06 09:00:40 UTC

Building a Heading Sensor Resistant To Magnetic Disturbances
<img width="800" height="451" src="https://hackaday.com/wp-content/uploads/2026/02/Directional-Gyro-0-1-screenshot-e1771892876353.png?w=800" alt=""/>Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap off-the-shelf https://hackaday.com/2026/03/06/building-a-heading-sensor-resistant-to-magnetic-disturbances/
https://hackaday.com/2026/03/06/building-a-heading-sensor-resistant-to-magnetic-disturbances/

2026-03-06 06:00:44 UTC

Ebike Charges At Car Charging Stations
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/ebike-charger-main.png?w=800" alt=""/>Electric vehicles are everywhere these days, and with them comes along a whole slew of charging infrastructure. The fastest of these are high-power machines that can deliver enough energy to https://hackaday.com/2026/03/05/ebike-charges-at-car-charging-stations/
https://hackaday.com/2026/03/05/ebike-charges-at-car-charging-stations/

2026-03-06 03:00:36 UTC

California’s Problematic Attempt to add Age-Verification to Software
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2017/04/security.jpg?w=800" alt=""/>Last year California’s Digital Age Assurance Act (AB 1043) was signed into law, requiring among other things that operating system providers implement an API for age verification purposes. With the https://hackaday.com/2026/03/05/californias-problematic-attempt-to-add-age-verification-to-software/
https://hackaday.com/2026/03/05/californias-problematic-attempt-to-add-age-verification-to-software/

2026-03-06 00:00:21 UTC

Prevent your Denon Receiver Turning on From Rogue Nvidia Shield CEC Requests
<img width="800" height="200" src="https://hackaday.com/wp-content/uploads/2015/08/hdmicecheader.png?w=800" alt=""/>In theory HDMI’s CEC feature is great, as it gives HDMI devices the ability to do useful things such as turning on multiple HDMI devices with a single remote control. https://hackaday.com/2026/03/05/prevent-your-denon-receiver-turning-on-from-rogue-nvidia-shield-cec-requests/
https://hackaday.com/2026/03/05/prevent-your-denon-receiver-turning-on-from-rogue-nvidia-shield-cec-requests/

2026-03-05 21:00:37 UTC

Capacitor Memory Makes Homebrew Relay Computer Historically Plausible
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/relay-capacitor-mem-feat.png?w=800" alt=""/>It’s one thing to create your own relay-based computer; that’s already impressive enough, but what really makes [DiPDoT]’s design special– at least after this latest video— is swapping the SRAM https://hackaday.com/2026/03/05/capacitor-memory-makes-homebrew-relay-computer-historically-plausible/
https://hackaday.com/2026/03/05/capacitor-memory-makes-homebrew-relay-computer-historically-plausible/

2026-03-05 19:30:03 UTC

Railway End Table Powered By Hand Crank
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/traintable_feat.jpg?w=800" alt=""/>Most end tables that you might find in a home are relatively static objects. However, [Peter Waldraff] of Tiny World Studios likes to build furniture that’s a little more interesting. https://hackaday.com/2026/03/05/railway-end-table-powered-by-hand-crank/
https://hackaday.com/2026/03/05/railway-end-table-powered-by-hand-crank/

2026-03-05 16:30:44 UTC

A Live ISO For Those Vibe Coding Experiments
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2021/08/GithubCopilot.jpg?w=800" alt=""/>Vibe coding is all the rage at the moment if you follow certain parts of the Internet. It’s very easy to dunk upon it, whether it’s to mock the sea https://hackaday.com/2026/03/05/a-live-iso-for-those-vibe-coding-experiments/
https://hackaday.com/2026/03/05/a-live-iso-for-those-vibe-coding-experiments/

2026-03-05 15:00:45 UTC

SpyTech: The Underwater Wire Tap
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2026/03/Spysub.jpg?w=800" alt=""/>In the 1970s, the USSR had an undersea cable connecting a major naval base at Petropavlovsk to the Pacific Fleet headquarters at Vladivostok. The cable traversed the Sea of Okhotsk, https://hackaday.com/2026/03/05/spytech-the-underwater-wire-tap/
https://hackaday.com/2026/03/05/spytech-the-underwater-wire-tap/

2026-03-05 12:00:38 UTC

LEGO Space Computer Made Full Size, 47 Years On
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/Screenshot-2026-03-04-at-14-08-38-Watt-IV-%E2%80%93-the-M2x2.png?w=800" alt="The LEGO-lookalike displaying [Paul]'s dashboard"/>There’s just something delightful about scaled items. Big things shrunk down, like LEGO’s teeny tiny terminal brick? Delightful. Taking that terminal brick and scaling it back to a full-sized computer? https://hackaday.com/2026/03/05/lego-space-computer-made-full-size-47-years-on/
https://hackaday.com/2026/03/05/lego-space-computer-made-full-size-47-years-on/

2026-03-05 09:00:57 UTC

Using a Solid-State Elastocaloric Cooler to Freeze Water
<img width="800" height="384" src="https://hackaday.com/wp-content/uploads/2026/02/elastocaloric_cooler_guoan_zhou_et_al_nature_2026.jpg?w=800" alt=""/>Elastocaloric materials are a class of materials that exhibit a big change in temperature when exposed to mechanical stress. This could potentially make them useful as solid-state replacement for both https://hackaday.com/2026/03/05/using-a-solid-state-elastocaloric-cooler-to-freeze-water/
https://hackaday.com/2026/03/05/using-a-solid-state-elastocaloric-cooler-to-freeze-water/

2026-03-05 06:00:30 UTC

Running Video Through A Guitar Effects Pedal
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/Video-through-Guitar-Pedals_-5-22-screenshot.png?w=800" alt=""/>Guitar pedals are designed to take in a sound signal, do fun stuff to it, and then spit it out to your amplifier where it hopefully impresses other people. However, https://hackaday.com/2026/03/04/running-video-through-a-guitar-effects-pedal/
https://hackaday.com/2026/03/04/running-video-through-a-guitar-effects-pedal/

2026-03-05 03:00:00 UTC

Trying a Vibe-Coded Operating System
<img width="800" height="601" src="https://hackaday.com/wp-content/uploads/2026/02/vib-os_main.png?w=800" alt=""/>If you were to read the README of the Vib-OS project on GitHub, you’d see it advertised as a Unix-like OS that was written from scratch, runs on ARM64 and https://hackaday.com/2026/03/04/trying-a-vibe-coded-operating-system/
https://hackaday.com/2026/03/04/trying-a-vibe-coded-operating-system/

2026-03-05 00:00:03 UTC

Embossing Precision Ball Joints for a Micromanipulator
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/micromanipulator_linkage_embossing.png?w=800" alt="A 3D-printed mechanism is clamped between the jaws of a pair of calipers, which are surrounded by 3D-printed covers. A hammer is resting against one of the jaws, and a man's gloved hand is holding the calipers."/>[Diffraction Limited] has been working on a largely 3D-printed micropositioner for some time now, and previously reached a resolution of about 50 nanometers. There was still room for improvement, though, https://hackaday.com/2026/03/04/embossing-precision-ball-joints-for-a-micromanipulator/
https://hackaday.com/2026/03/04/embossing-precision-ball-joints-for-a-micromanipulator/

2026-03-04 21:00:38 UTC

Vape-powered Car Isn’t Just Blowing Smoke
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/vape-car-feat.jpg?w=800" alt="Gwiz car and vapes"/>Disposable vapes aren’t quite the problem/resource stream they once were, with many jurisdictions moving to ban the absurdly wasteful little devices, but there are still a lot of slightly-smelly lithium https://hackaday.com/2026/03/04/vape-powered-car-isnt-just-blowing-smoke/
https://hackaday.com/2026/03/04/vape-powered-car-isnt-just-blowing-smoke/

2026-03-04 19:30:50 UTC

FLOSS Weekly Episode 865: Multiplayer Firewall
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800" alt=""/>This week Jonathan chats with Philippe Humeau about Crowdsec! That company created a Web Application Firewall as on Open Source project, and now runs it as a Multiplayer Firewall. What https://hackaday.com/2026/03/04/floss-weekly-episode-865-multiplayer-firewall/
https://hackaday.com/2026/03/04/floss-weekly-episode-865-multiplayer-firewall/

2026-03-04 18:00:17 UTC

Linux Fu: The USB WiFi Dongle Exercise
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2018/06/linuxfu.jpg?w=800" alt=""/>If you’ve used Linux for a long time, you know that we are spoiled these days. Getting a new piece of hardware back in the day was often a horrible https://hackaday.com/2026/03/04/linux-fu-the-usb-wifi-dongle-exercise/
https://hackaday.com/2026/03/04/linux-fu-the-usb-wifi-dongle-exercise/

2026-03-04 16:30:45 UTC

Success With FreeDOS on a Modern Platform
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/freedos-featured.jpg?w=800" alt=""/>Last summer we took a look at FreeDOS as part of the Daily Drivers series, and found a faster and more complete successor to the DOS of old. The sojourn https://hackaday.com/2026/03/04/success-with-freedos-on-a-modern-platform/
https://hackaday.com/2026/03/04/success-with-freedos-on-a-modern-platform/

2026-03-04 15:00:26 UTC

New Artemis Plan Returns to Apollo Playbook
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2022/08/ArtemisRocket.jpg?w=800" alt=""/>In their recent announcement, NASA has made official what pretty much anyone following the Artemis lunar program could have told you years ago — humans won’t be landing on the https://hackaday.com/2026/03/04/new-artemis-plan-returns-to-apollo-playbook/
https://hackaday.com/2026/03/04/new-artemis-plan-returns-to-apollo-playbook/

2026-03-04 12:00:30 UTC

Creating an Ultra-Stable Lunar Clock With a Cryogenic Silicon Cavity Laser
<img width="800" height="428" src="https://hackaday.com/wp-content/uploads/2026/02/super_stable_laser_moon.jpg?w=800" alt=""/>Phase-coherent lasers are crucial for many precision tasks, including timekeeping. Here on Earth the most stable optical oscillators are used in e.g. atomic clocks and many ultra-precise scientific measurements, such https://hackaday.com/2026/03/04/creating-an-ultra-stable-lunar-clock-with-a-cryogenic-silicon-cavity-laser/
https://hackaday.com/2026/03/04/creating-an-ultra-stable-lunar-clock-with-a-cryogenic-silicon-cavity-laser/

2026-03-04 09:00:32 UTC

Neither Android nor iOS: DIY Smartphone Runs on ESP32!
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/ESP32smartphone-feat.png?w=800" alt="Front and back of the prototype phone"/>You may or may not be reading this on a smartphone, but odds are that even if you aren’t, you own one. Well, possess one, anyway — it’s debatable if https://hackaday.com/2026/03/04/neither-android-nor-ios-diy-smartphone-runs-on-esp32/
https://hackaday.com/2026/03/04/neither-android-nor-ios-diy-smartphone-runs-on-esp32/

2026-03-04 06:00:04 UTC

Old Desk Phone Gets Doom Port
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2026/02/Screenshot-2026-02-25-121212-e1771981964619.png?w=800" alt=""/>Old desk phones are fairly useless these days unless you’re building a corporate PBX in your house. However, they can be fun to hack on, as [0x19] demonstrates by porting https://hackaday.com/2026/03/03/old-desk-phone-gets-doom-port/
https://hackaday.com/2026/03/03/old-desk-phone-gets-doom-port/

2026-03-04 03:00:11 UTC

Inside SKALA: How Chernobyl’s Reactor Was Actually Controlled
<img width="800" height="468" src="https://hackaday.com/wp-content/uploads/2026/02/chornobyl_npp_control_system_computer_chornobyl_family_youtube.jpg?w=800" alt=""/>Running a nuclear power plant isn’t an easy task, even with the level of automation available to a 1980s Soviet RBMK reactor. In their continuing efforts to build a full-sized, https://hackaday.com/2026/03/03/inside-skala-how-chernobyls-reactor-was-actually-controlled/
https://hackaday.com/2026/03/03/inside-skala-how-chernobyls-reactor-was-actually-controlled/

2026-03-04 00:00:17 UTC

Designing A Pen Clip That Never Bends Out Of Shape
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/Why-doesnt-this-exist-everywhere_-5-51-screenshot.png?w=800" alt=""/>If you’ve ever used a ballpoint pen with a clip on the top, you’ve probably noticed they bend pretty easily. The clip relies on you only bending it a small https://hackaday.com/2026/03/03/designing-a-pen-clip-that-never-bends-out-of-shape/
https://hackaday.com/2026/03/03/designing-a-pen-clip-that-never-bends-out-of-shape/

2026-03-03 21:00:58 UTC

Exploring Security Vulnerabilities in a Cheapo WiFi Extender
<img width="800" height="452" src="https://hackaday.com/wp-content/uploads/2026/03/temu_wifi_extender_landing_page_low_level_youtube.jpg?w=800" alt=""/>If all you want is just a basic WiFi extender that gets some level of network connectivity to remote parts of your domicile, then it might be tempting to get https://hackaday.com/2026/03/03/exploring-security-vulnerabilities-in-a-cheapo-wifi-extender/
https://hackaday.com/2026/03/03/exploring-security-vulnerabilities-in-a-cheapo-wifi-extender/

2026-03-03 19:30:46 UTC

The Perfect Cheat’s Racing Bicycle
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/bike-doping-featured.jpg?w=800" alt=""/>One of the ongoing rumors and scandals in professional cycle sport concerns “motor doping” — the practice of concealing an electric motor in a bicycle to provide the rider with https://hackaday.com/2026/03/03/the-perfect-cheats-racing-bicycle/
https://hackaday.com/2026/03/03/the-perfect-cheats-racing-bicycle/

2026-03-03 16:30:58 UTC

A Look Inside the Creative MB-10 MIDI Blaster
<img width="800" height="307" src="https://hackaday.com/wp-content/uploads/2026/02/mb10-banner-int-ext.jpg?w=800" alt=""/>Before it became viable to distribute and play music tracks on home computers, the use of FM and Wavetable synthesis was very common, with MIDI Wavetable-based devices like the Roland https://hackaday.com/2026/03/03/a-look-inside-the-creative-mb-10-midi-blaster/
https://hackaday.com/2026/03/03/a-look-inside-the-creative-mb-10-midi-blaster/

2026-03-03 15:00:07 UTC

Back to Basics: Hacking on Key Matrixes
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2026/03/Buttons.jpg?w=800" alt=""/>A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that https://hackaday.com/2026/03/03/back-to-basics-hacking-on-key-matrixes/
https://hackaday.com/2026/03/03/back-to-basics-hacking-on-key-matrixes/

2026-03-03 12:00:35 UTC

Building a Hackerspace Entry System
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2026/02/mudbyte-e1772246864250.jpg?w=800" alt=""/>A hackerspace is a place that generally needs to be accessed by a wide group of people, often at weird and unusual hours. Handing around keys and making sure everything https://hackaday.com/2026/03/03/building-a-hackerspace-entry-system/
https://hackaday.com/2026/03/03/building-a-hackerspace-entry-system/

2026-03-03 09:00:07 UTC

Building a Dependency-Free GPT on a Custom OS
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/kernelgpt_feat.jpg?w=800" alt=""/>The construction of a large language model (LLM) depends on many things: banks of GPUs, vast reams of training data, massive amounts of power, and matrix manipulation libraries like Numpy. https://hackaday.com/2026/03/03/building-a-dependency-free-gpt-on-a-custom-os/
https://hackaday.com/2026/03/03/building-a-dependency-free-gpt-on-a-custom-os/

2026-03-03 06:00:25 UTC

C64 Gets A Modern Interactive Disassembler
<img width="800" height="451" src="https://hackaday.com/wp-content/uploads/2026/02/regenerator2000_bitmap_screenshot-e1772247858548.png?w=800" alt=""/>If you want to pull apart a program to see how it ticks, you’re going to need a disassembler. [Ricardo Quesada] has built Regenerator 2000 for just that purpose. It’s https://hackaday.com/2026/03/02/c64-gets-a-modern-interactive-disassembler/
https://hackaday.com/2026/03/02/c64-gets-a-modern-interactive-disassembler/

2026-03-03 03:00:00 UTC

NASA Uses Mars Global Localization as GNSS Replacement for the Perseverance Rover
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2021/04/perseverance-ingenuity-selfie.jpg?w=800" alt=""/>Unlike on Earth there aren’t dozens of satellites whizzing around Mars to provide satellite navigation functionality. Recently NASA’s JPL engineers tried something with the Perseverance Mars rover that can give https://hackaday.com/2026/03/02/nasa-uses-mars-global-localization-as-gnss-replacement-for-the-perseverance-rover/
https://hackaday.com/2026/03/02/nasa-uses-mars-global-localization-as-gnss-replacement-for-the-perseverance-rover/

2026-03-03 00:00:08 UTC

Pan-Tilt Head For Camera Motion Control
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2026/02/F2CW02BMLH7XKLU_de267e-e1771985906775.jpg?w=800" alt=""/>Historically, moving and pointing a camera while filming was the job of a highly-skilled individual. However, there are machines that can do that, enabling all kinds of fancy movement that https://hackaday.com/2026/03/02/pan-tilt-head-for-camera-motion-control/
https://hackaday.com/2026/03/02/pan-tilt-head-for-camera-motion-control/

2026-03-02 21:00:28 UTC

SNES Controllers are (Almost) SPI-Compatible
<img width="800" height="465" src="https://hackaday.com/wp-content/uploads/2026/02/snes_controller_spi_james_sharman_youtube.jpg?w=800" alt=""/>Considering that the Serial Peripheral Interface bus semi-standard has been around since the early 1980s, it’s perhaps not that shocking that the controllers of the Super Nintendo Entertainment System (SNES) https://hackaday.com/2026/03/02/snes-controllers-are-almost-spi-compatible/
https://hackaday.com/2026/03/02/snes-controllers-are-almost-spi-compatible/

2026-03-02 19:30:42 UTC

Cynus Chess Robot: a Chess Board With a Robotic Arm
<img width="800" height="517" src="https://hackaday.com/wp-content/uploads/2026/02/cynus_chess_robot_techmoan_youtube.jpg?w=800" alt=""/>There are many chess robots, most of which require the human player to move the opposing pieces themselves, or have a built-in mechanism that can slide the opposing pieces around https://hackaday.com/2026/03/02/cynus-chess-robot-a-chess-board-with-a-robotic-arm/
https://hackaday.com/2026/03/02/cynus-chess-robot-a-chess-board-with-a-robotic-arm/

2026-03-02 18:00:14 UTC

LED Printers: The Quiet Achievers You May Not Have Heard Of
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2018/04/incandescent.jpg?w=800" alt=""/>Many different types of printers have entered the market over the years. Most of us are intimately familiar with the common inkjet and laser, both of which can be found https://hackaday.com/2026/03/02/led-printers-the-quiet-achievers-you-may-not-have-heard-of/
https://hackaday.com/2026/03/02/led-printers-the-quiet-achievers-you-may-not-have-heard-of/

2026-03-02 16:30:54 UTC

Homemade Liquid Oxygen Demonstrates Paramagnetism
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/liquid_oxygen.png?w=800" alt="A cylindrical neodymium-iron-boron magnet in shown on a grey background. A white line of boiling liquid surrounds the top edge of the magnet, and a cloud of condensing vapor hangs over it."/>Liquid nitrogen isn’t exactly an everyday material, but it’s acquired conveniently enough to be used in extreme overclocking experiments, classroom demonstrations, chemistry and physics experiments, and a number of other https://hackaday.com/2026/03/02/homemade-liquid-oxygen-demonstrates-paramagnetism/
https://hackaday.com/2026/03/02/homemade-liquid-oxygen-demonstrates-paramagnetism/

2026-03-02 15:00:07 UTC

Accidental Climate Engineering With Disintegrating Satellites
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2021/10/SpaceRage.jpg?w=800" alt=""/>For many decades humankind has entertained the notion that we can maybe tweak the Earth’s atmosphere or biosphere in such a way that we can for example undo the harms https://hackaday.com/2026/03/02/accidental-climate-engineering-with-disintegrating-satellites/
https://hackaday.com/2026/03/02/accidental-climate-engineering-with-disintegrating-satellites/

2026-03-02 12:00:01 UTC

Simple D-STAR Transceiver Uses Inexpensive Hardware
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/esp32-d-star-data-transceiver-0-2-screenshot.png?w=800" alt=""/>[Yeckel] recently put the finishing touches on an ambitious implementation of a simple D-STAR (Digital Smart Technologies for Amateur Radio) transceiver using some very accessible and affordable hardware. The project https://hackaday.com/2026/03/02/simple-d-star-transceiver-uses-inexpensive-hardware/
https://hackaday.com/2026/03/02/simple-d-star-transceiver-uses-inexpensive-hardware/

2026-03-02 09:00:23 UTC

Examining A World’s Record From The Age Of Steam
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/mallard-speed-featured.jpg?w=800" alt=""/>There aren’t many speed records that remain unbroken for the greater part of a century, but one of them is that of the fastest steam locomotive. As with so many https://hackaday.com/2026/03/02/examining-a-worlds-record-from-the-age-of-steam/
https://hackaday.com/2026/03/02/examining-a-worlds-record-from-the-age-of-steam/

2026-03-02 06:00:39 UTC

Teardown of Dangerous Fake Wago Connectors
<img width="800" height="469" src="https://hackaday.com/wp-content/uploads/2026/02/wago_clone_teardown_big_clive_youtube.jpg?w=800" alt=""/>Everyone loves Wago connectors for how versatile and effective they are for quickly and securely connecting conductors, but it can be tempting to buy a bag of the significantly cheaper https://hackaday.com/2026/03/01/teardown-of-dangerous-fake-wago-connectors/
https://hackaday.com/2026/03/01/teardown-of-dangerous-fake-wago-connectors/

2026-03-02 03:00:39 UTC

Making a 286 Think It’s Alive Again
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/02/286_9e1164.jpg?w=800" alt=""/>[Nagy Krisztián] had an Intel 286 CPU, only… There was no motherboard to install it in. Perhaps not wanting the processor to be lonely, [Nagy] built a simulated system to https://hackaday.com/2026/03/01/making-a-286-think-its-alive-again/
https://hackaday.com/2026/03/01/making-a-286-think-its-alive-again/

2026-03-02 00:00:55 UTC

Hackaday Links: March 1, 2026
<img width="800" height="430" src="https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800" alt="Hackaday Links Column Banner"/>We’ll start this week off with a bit of controversy from Linux Land. Anyone who’s ever used the sudo command knows that you don’t see any kind of visual feedback https://hackaday.com/2026/03/01/hackaday-links-march-1-2026/
https://hackaday.com/2026/03/01/hackaday-links-march-1-2026/

2026-03-01 21:00:48 UTC

Turning a Cast-Iron Radiator into a Water-Cooled PC
<img width="800" height="463" src="https://hackaday.com/wp-content/uploads/2026/02/cast-iron_radiator_gaming_pc_billet_labs_youtube.jpg?w=800" alt=""/>Water-cooled PCs generally have in common that there’s a radiator somewhere in the loop, yet nobody said that you can’t build the PCB into the radiator. Something like a genuine https://hackaday.com/2026/03/01/turning-a-cast-iron-radiator-into-a-water-cooled-pc/
https://hackaday.com/2026/03/01/turning-a-cast-iron-radiator-into-a-water-cooled-pc/