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https://hackaday.com/2025/07/08/budget-brilliance-dho800-function-generator/ | Budget Brilliance: DHO800 Function Generator | Matt Varian | [
"Tool Hacks"
] | [
"DSO800",
"function generator",
"oscilloscope",
"rigol"
] | The Rigol oscilloscopes have a long history of modifications and hacks, and this latest from [Matthias] is an impressive addition; he’s been
working on adding a function generator to the DHO800 line of scopes
.
The DHO800 series offers many great features: it’s highly portable with a large 7-inch touchscreen, powered b... | 1 | 1 | [
{
"comment_id": "8148333",
"author": "hochohmig",
"timestamp": "2025-07-12T08:56:58",
"content": "This is ingenious, and since I’m in the lucky position working with Matthias, I hacked my scope as well and made a short video about this:https://youtu.be/W03NUFdP6oc",
"parent_id": null,
"depth... | 1,760,371,492.031406 | ||
https://hackaday.com/2025/07/08/could-space-radiation-mutate-seeds-for-the-benefit-of-humanity/ | Could Space Radiation Mutate Seeds For The Benefit Of Humanity? | Lewin Day | [
"Hackaday Columns",
"Science"
] | [
"agriculture",
"cosmic radiation",
"cosmic rays",
"iaea",
"mutagenesis",
"radiation",
"science",
"space mutagenesis"
] | Humans have forever been using all manner of techniques to better secure the food we need to sustain our lives. The practice of agriculture is intimately tied to the development of society, while techniques like selective breeding and animal husbandry have seen our plants and livestock deliver greater and more nourishi... | 32 | 13 | [
{
"comment_id": "8146876",
"author": "cmholm",
"timestamp": "2025-07-08T17:04:48",
"content": "If a useful mutation is found by whatever means, great. This seems like a lot of work to tweak the existing throw-them-against-a-wall method using powerful mutagenic chemicals and radioisotopes.",
"par... | 1,760,371,491.330799 | ||
https://hackaday.com/2025/07/08/turning-pet-plastic-into-paracetamol-with-this-one-bacterial-trick/ | Turning PET Plastic Into Paracetamol With This One Bacterial Trick | Maya Posch | [
"Science"
] | [
"PET plastic"
] | Over the course of evolution microorganisms have evolved pathways to break down many materials. The challenge with the many materials that we humans have created over just the past decades is that we cannot wait for evolution to catch up, ergo we have to develop such pathways ourselves. One such example is demonstrated... | 30 | 8 | [
{
"comment_id": "8146855",
"author": "DainBramage",
"timestamp": "2025-07-08T16:18:48",
"content": "If this takes off, the world is going to have a huge excess of Tylenol available, considering the enormous amount of PET plastic in the waste stream.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,491.874327 | ||
https://hackaday.com/2025/07/08/the-end-of-the-hackintosh-is-upon-us/ | The End Of The Hackintosh Is Upon Us | Lewin Day | [
"Featured",
"Interest",
"Mac Hacks",
"Original Art"
] | [
"hackintosh",
"mac os x",
"macintosh",
"macOS",
"os x"
] | From the very dawn of the personal computing era, the PC and Apple platforms have gone very different ways. IBM compatibles surged in popularity, while Apple was able to more closely guard the Macintosh from imitators wanting to duplicate its hardware and run its software.
Things changed when Apple announced it would h... | 94 | 16 | [
{
"comment_id": "8146816",
"author": "Danjovic",
"timestamp": "2025-07-08T14:07:46",
"content": "Add that to high prices from Apple hardware and the result is a decreasing MacOS user base. Redmond and Antartida welcome the new users.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,491.809487 | ||
https://hackaday.com/2025/07/08/touch-lamp-tracks-iss-with-style/ | Touch Lamp Tracks ISS With Style | Tyler August | [
"Microcontrollers",
"Space"
] | [
"ESP32",
"international space station",
"satellite tracker"
] | In the comments of a recent article, the question came up as to where to find projects from the really smart kids the greybeards remember being in the 70s. In the case of [Will Dana] the answer is YouTube, where he’s done an excellent job of producing an
ISS-tracking lamp,
especially considering he’s younger than almos... | 6 | 4 | [
{
"comment_id": "8146810",
"author": "elmesito",
"timestamp": "2025-07-08T13:55:21",
"content": "A good idea but I wish I could see more of the tracker working in real time than all that unnecessary talking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "81470... | 1,760,371,491.664039 | ||
https://hackaday.com/2025/07/08/managing-temperatures-for-ultrafast-benchy-printing/ | Managing Temperatures For Ultrafast Benchy Printing | Aaron Beckendorf | [
"3d Printer hacks"
] | [
"3d printer",
"3dbenchy",
"Benchy",
"print speed"
] | Commercial 3D printers keep getting faster and faster, but we can confidently say that none of them is nearly as fast as [Jan]’s Minuteman printer, so named for its goal of eventually printing a 3DBenchy in less than a minute. The Minuteman uses an air bearing as its print bed, feeds four streams of filament into one p... | 13 | 7 | [
{
"comment_id": "8146753",
"author": "Lightislight",
"timestamp": "2025-07-08T11:04:36",
"content": "It’s impressive. Pretty ridiculous. Impressive none the less",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8146780",
"author": "Elliot Williams",
"tim... | 1,760,371,491.932267 | ||
https://hackaday.com/2025/07/07/when-is-a-synth-a-woodwind-when-its-a-pneumatone/ | When Is A Synth A Woodwind? When It’s A Pneumatone | Tyler August | [
"Musical Hacks"
] | [
"blower fan",
"diy instrument",
"slide flute"
] | Ever have one of those ideas that’s just so silly, you just need to run with it? [Chris] from Sound Workshop ran into that when he had the idea that became the
Pneumatone: a woodwind instrument that plays like a synth.
In its 3D printed case, it looks like a giant polyphonic analog synth, but under the plastic lies a p... | 22 | 8 | [
{
"comment_id": "8146636",
"author": "big chingus",
"timestamp": "2025-07-08T06:25:18",
"content": "cool, but it doesn’t look like a “giant analog synth” at all.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8146690",
"author": "Hobbes",
"timestamp": ... | 1,760,371,491.470191 | ||
https://hackaday.com/2025/07/07/ir-point-and-shoot-has-a-raspberry-heart-in-a-35mm-body/ | IR Point And Shoot Has A Raspberry Heart In A 35mm Body | Tyler August | [
"News"
] | [
"diy infrared camera",
"ir photography",
"NoIR"
] | Photography is great, but sometimes it can get boring just reusing the same wavelengths over and over again. There are other options, though and when [Malcolm Wilson] decided he wanted to explore them,
he decided to build a (near) IR camera.
The IR images are almost ethereal.
Image : Malcom Wilson.
The housing is an ol... | 24 | 8 | [
{
"comment_id": "8146384",
"author": "Fungifreund",
"timestamp": "2025-07-07T20:17:39",
"content": "Still remember when my dad bought an IR film for his camera! This was maybe 30 years ago. Very cool project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8146... | 1,760,371,491.993441 | ||
https://hackaday.com/2025/07/07/the-hackaday-summer-reading-list-no-ai-involvement-guaranteed/ | The Hackaday Summer Reading List: No AI Involvement, Guaranteed | Jenny List | [
"Featured",
"Interest",
"Reviews"
] | [
"books",
"reading",
"summer reading"
] | If you have any empathy at all for those of us in the journalistic profession, have some pity for the poor editor at the
Chicago Sun-Times
, who let through
an AI-generated summer reading list made up of novels which didn’t exist
. The fake works all had real authors and thus looked plausible, thus we expect that libr... | 48 | 15 | [
{
"comment_id": "8146313",
"author": "Paul",
"timestamp": "2025-07-07T17:49:47",
"content": "In similar vein, there’s alsohttps://en.wikipedia.org/wiki/The_Soul_of_a_New_Machine“Tracy Kidder’s riveting story of one company’s efforts to bring a new microcomputer to market won both the Pulitzer Prize ... | 1,760,371,491.624195 | ||
https://hackaday.com/2025/07/07/splice-cad-cable-harness-design-tool/ | Splice CAD: Cable Harness Design Tool | Matt Varian | [
"Tool Hacks"
] | [
"cable harness",
"cad",
"connectors",
"wire harness"
] | Cable harness design is a critical yet often overlooked aspect of electronics design, just as essential as PCB design. While numerous software options exist for PCB design, cable harness design tools are far less common, making innovative solutions like Splice CAD particularly exciting. We’re excited to share this new ... | 29 | 17 | [
{
"comment_id": "8146264",
"author": "Myself",
"timestamp": "2025-07-07T16:21:20",
"content": "This is neat, but really this belongs inside kicad, as an alternative to the board layout process.A PCB has a schematic/netlist, and components, and physical attributes like trace size and hole positions.A... | 1,760,371,491.53843 | ||
https://hackaday.com/2025/07/07/this-week-in-security-anthropic-coinbase-and-oops-hunting/ | This Week In Security: Anthropic, Coinbase, And Oops Hunting | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"0.0.0.0",
"github",
"mcp",
"This Week in Security"
] | Anthropic has had an eventful couple weeks, and we have two separate write-ups to cover. The first is
a vulnerability in the Antropic MCP Inspector
, CVE-2025-49596. We’ve talked a bit about the Module Context Protocol (MCP), the framework that provides a structure for AI agents to discover and make use of software too... | 8 | 4 | [
{
"comment_id": "8146311",
"author": "pruttelherrie",
"timestamp": "2025-07-07T17:45:17",
"content": "Even if these posts normally don’t have lots of comments, please keep them up! They are the one and only recurring post that I ALWAYS read. Thanks!",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,493.151681 | ||
https://hackaday.com/2025/07/07/160-core-risc-v-board-is-the-m-2-coprocessor-you-didnt-know-you-needed/ | 160-core RISC V Board Is The M.2 CoProcessor You Didn’t Know You Needed | Tyler August | [
"Microcontrollers"
] | [
"CH32V003",
"cluster computing",
"m.2 slot",
"RISC-V"
] | Aside from GPUs, you don’t hear much about co-processors these days. [bitluni] perhaps missed those days, because he found a way to squeeze a 160 core RISC V supercluster onto a single m.2 board,
and shared it all on GitHub.
OK, sure, each core isn’t impressive– he’s using CH32V003, so each core is only running at 48 M... | 20 | 10 | [
{
"comment_id": "8146218",
"author": "Spacedog",
"timestamp": "2025-07-07T12:13:54",
"content": "very very cool build and video",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8146222",
"author": "Alphatek",
"timestamp": "2025-07-07T12:41:49",
"cont... | 1,760,371,492.158946 | ||
https://hackaday.com/2025/07/07/building-an-x-ray-crystallography-machine/ | Building An X-Ray Crystallography Machine | Aaron Beckendorf | [
"High Voltage",
"Science"
] | [
"crystallization",
"crystallography",
"x-ray",
"x-ray crystallography",
"x-ray diffraction",
"X-Rays"
] | X-ray crystallography, like mass spectroscopy and nuclear spectroscopy, is an extremely useful material characterization technique that is unfortunately hard for amateurs to perform. The physical operation isn’t too complicated, however, and as [Farben-X] shows, it’s entirely possible to
build an X-ray diffractometer
i... | 11 | 6 | [
{
"comment_id": "8146172",
"author": "Carl Breen",
"timestamp": "2025-07-07T08:40:21",
"content": "This is missing many crucial parts such as collimators and apertures. Actual crystals in real goniometer heads are tiny. You should instead of a single crystal diffractometer try x-ray powder diffracti... | 1,760,371,492.992164 | ||
https://hackaday.com/2025/07/06/building-a-potato-based-glados-as-an-introduction-to-ai/ | Building A Potato-based GLaDOS As An Introduction To AI | Aaron Beckendorf | [
"Artificial Intelligence"
] | [
"glados",
"Jetson Orin Nano",
"llama",
"Nvidia Jetson",
"PiperVoice",
"portal",
"portal 2"
] | Although not nearly as intimidating as her ceiling-mounted hanging arm body, GLaDOS spent a significant portion of the
Portal 2
game in a stripped-down computer powered by a potato battery. [Dave] had already made a version of her original body, but it was built around a robotic arm that was too expensive for the proje... | 5 | 2 | [
{
"comment_id": "8146150",
"author": "Ken C",
"timestamp": "2025-07-07T07:31:37",
"content": "tl;dr SBC hidden inside a fancy 3D-printed enclosure runs LLM.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8146151",
"author": "Nippey",
"timestamp": "2025... | 1,760,371,492.461511 | ||
https://hackaday.com/2025/07/06/fastener-fusion-automating-the-art-of-counting/ | Fastener Fusion: Automating The Art Of Counting | Matt Varian | [
"hardware"
] | [
"3d printed",
"assembly line",
"automation",
"fasteners"
] | Counting objects is an ideal task for automation, and when focusing on a single type of object, there are many effective solutions. But what if you need to count hundreds of different objects? That’s the challenge [Christopher] tackled with his
latest addition
to his impressive automation projects. (Video, embedded bel... | 7 | 5 | [
{
"comment_id": "8146079",
"author": "paulvdh",
"timestamp": "2025-07-07T02:45:48",
"content": "This has been a quite impressive journey. I think it’s the third time now that Hackaday writes about his binning machines, and this latest iteration is in quite a different path then his earlier machines.... | 1,760,371,492.507927 | ||
https://hackaday.com/2025/07/06/hackaday-links-july-6-2025/ | Hackaday Links: July 6, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"hackaday links"
] | Taking delivery of a new vehicle from a dealership is an emotional mixed bag. On the one hand, you’ve had to endure the sales rep’s hunger to close the deal, the tedious negotiations with the classic “Let me run that by my manager,” and the closer who tries to tack on ridiculous extras like paint sealer and ashtray pro... | 11 | 7 | [
{
"comment_id": "8146074",
"author": "WTF Detector",
"timestamp": "2025-07-07T02:22:14",
"content": "flaunting the lawFlouting the law.As in, “Dan Maloney was flouting the rules of grammar, so I flaunted my abilities that the editors lack.”",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,492.66087 | ||
https://hackaday.com/2025/07/06/diagnosing-whisker-failure-mode-in-af114-and-similar-transistors/ | Diagnosing Whisker Failure Mode In AF114 And Similar Transistors | Maya Posch | [
"Reverse Engineering",
"Science"
] | [
"germanium transistors",
"tin whiskers"
] | The inside of this AF117 transistor can was a thriving whisker ecosystem. (Credit: Anthony Francis-Jones)
AF114 germanium transistors and related ones like the AF115 through AF117 were quite popular during the 1960s, but they quickly developed a reputation for failure. This is due to what should have made them more rel... | 12 | 4 | [
{
"comment_id": "8146023",
"author": "Joshua",
"timestamp": "2025-07-06T20:57:39",
"content": "Hi, reminds me of “The (solved) mystery of OC171”.https://www.elektormagazine.de/magazine/elektor-200807/3073The mean thing about the slowly growing “hairs” was that the transistor damage wasn’t always bei... | 1,760,371,492.710098 | ||
https://hackaday.com/2025/07/06/does-made-in-america-make-sense-for-pcb-prototyping/ | Does Made-in-America Make Sense For PCB Prototyping? | Tyler August | [
"PCB Hacks"
] | [
"cost effective",
"oshpark",
"pcb",
"prototype board"
] | These are tough times for American hackers, and rife with uncertainty. Trade wars are on, off, on again– who can keep track? If you’re used to getting everything from China, that can really cramp your style. [Jeremy Cook] took the time to write up his
experience prototyping with American-made PCBs
, just in time for us... | 96 | 34 | [
{
"comment_id": "8145954",
"author": "RetepV",
"timestamp": "2025-07-06T17:27:22",
"content": "I had some PCBs made at JLPCB. They were ordered, and reviewed on the 5th of June. Then created and shipped on the 7th of June. 8th of June, the shipment arrived in Leipzig, Germany. Then for some reason i... | 1,760,371,492.941701 | ||
https://hackaday.com/2025/07/06/visiting-our-neighbor-sedna-feasibility-study-of-a-mission-to-this-planetoid/ | Visiting Our Neighbor Sedna: Feasibility Study Of A Mission To This Planetoid | Maya Posch | [
"Space"
] | [
"Pluto",
"Sedna"
] | Image of Sedna, taken by the Hubble Space telescope in 2004. (Credit:
NASA
)
While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune and enter the realm of trans-Neptunian objects (TNOs). Pluto is probably the most well-known of these, but there are ... | 25 | 7 | [
{
"comment_id": "8145921",
"author": "Paul",
"timestamp": "2025-07-06T14:24:09",
"content": "Funny thing is that Neptune was the most distant planet from the Sun until 1999: Pluto was closer. Then Pluto became the farthest planet until 2006, and after that Neptune became the farthest planet again."... | 1,760,371,493.055755 | ||
https://hackaday.com/2025/07/06/going-to-the-parallel-chapel/ | Going To The (Parallel) Chapel | Al Williams | [
"Software Development"
] | [
"parallel computing"
] | There is always the promise of using more computing power for a single task. Your computer has multiple CPUs now, surely. Your video card has even more. Your computer is probably networked to a slew of other computers. But how do you write software to take advantage of that? There are many complex systems, of course, b... | 11 | 3 | [
{
"comment_id": "8145897",
"author": "shinsukke",
"timestamp": "2025-07-06T12:11:07",
"content": "Whatever happened to OpenCL? I thought it was the go-to language for writing parallel computing applications for GPUs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,492.611607 | ||
https://hackaday.com/2025/07/06/convert-any-book-to-a-diy-audiobook/ | Convert Any Book To A DIY Audiobook? | Dave Rowntree | [
"Artificial Intelligence",
"Raspberry Pi"
] | [
"ai",
"CV2",
"GenAI",
"Google Gemini 2.5",
"ocr",
"PiperVoice",
"Raspberry Pi Zero 2 W",
"speech synthesis",
"webcam"
] | If the idea of reading a physical book sounds like hard work, [Nick Bild’s] latest project, the
PageParrot
, might be for you. While AI gets a lot of flak these days, one thing modern multimodal models do exceptionally well is image interpretation, and PageParrot demonstrates just how accessible that’s become.
[Nick] d... | 12 | 6 | [
{
"comment_id": "8145906",
"author": ".",
"timestamp": "2025-07-06T13:21:41",
"content": "there is a project ebook2audiobook that converts ebooks to audiobook with AI voice generated.You can choose pretrained voice models or train your own for it. Emotions are also handled well with the available mo... | 1,760,371,493.103914 | ||
https://hackaday.com/2025/07/05/a-look-through-the-eye-of-a-bowling-ball/ | A Look Through The Eye Of A Bowling Ball | Fenix Guthrie | [
"digital cameras hacks"
] | [
"360 degree camera",
"Action camera",
"bowling",
"bowling alley",
"bowling ball",
"bowling machine",
"camera"
] | If you are anything like us, last time you went bowling, you thought more about how the ball came back to you than actually knocking down the pin. Perhaps you even wondered what it would be like to be a bowling ball making its way back through mysterious and hidden machines. [Wren] and [Erik Beck] did as well, so they ... | 16 | 6 | [
{
"comment_id": "8145883",
"author": "Mr T",
"timestamp": "2025-07-06T10:47:04",
"content": "Hmmm, “clear half-domes can only be formed in certain sizes” — so you’re saying that it is impossible to make a half-dome with a diameter of 8.5 inches?",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,493.203518 | ||
https://hackaday.com/2025/07/05/shadow-clock-shows-the-time-on-the-wall/ | Shadow Clock Shows The Time On The Wall | Lewin Day | [
"clock hacks"
] | [
"clock",
"ESP8266"
] | What if you build a clock that displayed the time not just on its own, but in its shadows as well? [Lewis] from [DIY Machines] has done just that,
with a nifty 3D-printed shadow clock build.
The clock itself,
based on a design by [shiura]
, has a hollow rim inside which are the two hands which actually display the time... | 12 | 3 | [
{
"comment_id": "8145807",
"author": "shiura",
"timestamp": "2025-07-06T02:34:53",
"content": "As Lewis noted in the description, the magnet-based floating clock mechanism is not his design but mine. My design has been released under a CC BY-NC-SA license, so he has the right to modify and remix it.... | 1,760,371,493.250004 | ||
https://hackaday.com/2025/07/05/daisy-chain-of-hacks-lets-new-arm-board-run-doom/ | Daisy Chain Of Hacks Lets New Arm Board Run Doom | Tyler August | [
"ARM"
] | [
"ARMv9",
"Gaming Computer",
"radxa"
] | Running DOOM on ARM? Old hat. Running Doom (2016) on an ARM SBC? Well, that’s a bit more interesting, and [Interfacing Linux]
shows us how with this handy guide,
and in a video embedded below.
The ARM SBC in question is the
Radxa Orion O6
, which claims to be the world’s first open source ARMv9 motherboard. It has a 12... | 15 | 4 | [
{
"comment_id": "8145784",
"author": "Joshua",
"timestamp": "2025-07-06T00:04:04",
"content": "I don’t care too much about Linux support here,but sort of an ARM reference motherboard that gets popular could be an enrichment to all of us. Thumbs up!Windows IoT, 11 or RISCOS could benefit from it, too... | 1,760,371,493.303593 | ||
https://hackaday.com/2025/07/05/mapping-tool-helps-identify-usable-land-for-building/ | Mapping Tool Helps Identify Usable Land For Building | Lewin Day | [
"Misc Hacks"
] | [
"geospatial data",
"gis",
"maps"
] | How would you go about identifying usable land that suits your building tastes? [Scott Sexton] was specifically looking for land that’s not too steep to build on, and realized that existing resources didn’t easily offer him this information.
He thus dived into the world of GIS to try and solve this issue for himself.
[... | 9 | 5 | [
{
"comment_id": "8145743",
"author": "OG",
"timestamp": "2025-07-05T20:05:41",
"content": "“that’s not to steep to build on”Really?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8145751",
"author": "Mause",
"timestamp": "2025-07-05T20:57:45",
"con... | 1,760,371,493.345852 | ||
https://hackaday.com/2025/07/05/ai-is-only-coming-for-fun-jobs/ | AI Is Only Coming For Fun Jobs | Bryan Cockfield | [
"Artificial Intelligence"
] | [
"ai",
"artificial intelligence",
"astronaut",
"ChatGPT",
"control",
"kerbal space program",
"large language models",
"spacecraft"
] | In the past few years, what marketers and venture capital firms term “artificial intelligence” but is more often an advanced predictive text model of some sort has started taking people’s jobs and threatening others. But not tedious jobs that society might like to have automated away in the first place. These AI tools ... | 39 | 16 | [
{
"comment_id": "8145721",
"author": "TG",
"timestamp": "2025-07-05T17:25:58",
"content": "Oh dang, AI is stealing the job of controlling a video game character, a task which used to also be called AI before the world got obsessed with LLMs.Orbital mechanics is just about the most ideal problem for ... | 1,760,371,493.802968 | ||
https://hackaday.com/2025/07/05/software-defined-retro-rom-makes-8-bit-easy/ | Software Defined Retro ROM Makes 8-bit Easy | Tyler August | [
"Retrocomputing"
] | [
"commodore",
"drop-in replacement",
"rom",
"STM32F"
] | Like the rest of us, 8-bit hardware is not getting any newer, and failed ROMs are just a fact of life. Of course you can’t call up Commadore corporation for replacement parts anymore, so something is needed. [Peirs Rocks] wasn’t satisfied with the existing options, so he came up with the
Software Defined Retro ROM
to s... | 28 | 9 | [
{
"comment_id": "8145685",
"author": "WTF Detector",
"timestamp": "2025-07-05T14:09:06",
"content": "“Commadore”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8145690",
"author": "ZTH",
"timestamp": "2025-07-05T14:16:39",
"content":... | 1,760,371,493.726774 | ||
https://hackaday.com/2025/07/05/a-feast-of-1970s-gaming-history-and-an-8080-arcade-board/ | A Feast Of 1970s Gaming History, And An 8080 Arcade Board | Jenny List | [
"Retrocomputing"
] | [
"8080",
"arcade",
"blasto",
"gremlin",
"sega"
] | Sometimes a write-up of a piece of retrocomputing hardware goes way beyond the hardware itself and into the industry that spawned it, and thus it is with
[OldVCR]’s resurrection of a Blasto arcade board from 1978
. It charts the history of Gremlin Industries, a largely forgotten American pioneer in the world of arcade ... | 2 | 2 | [
{
"comment_id": "8145749",
"author": "SETH",
"timestamp": "2025-07-05T20:51:31",
"content": "Fascinating, a humble beginning for a ubiquitous family of chips!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8145803",
"author": "Joshua",
"timestamp": "20... | 1,760,371,493.586989 | ||
https://hackaday.com/2025/07/05/track-your-github-activity-with-this-e-ink-display/ | Track Your GitHub Activity With This E-Ink Display | Jenny List | [
"Microcontrollers"
] | [
"e-paper",
"ESP32",
"github"
] | If you’re a regular GitHub user you’ll be familiar with the website’s graphical calendar display of activity as a grid. For some of you it will show a hive of activity, while for others it will be a bit spotty. If you’re proud of your graph though, you’ll want to show it off to the world, and that’s where [HarryHighPan... | 5 | 4 | [
{
"comment_id": "8145652",
"author": "shinsukke",
"timestamp": "2025-07-05T09:10:01",
"content": "Embedded devs be like “i spent two days writing 20 lines of code. Time to commit this to github”Majority of the time spent in setting up the hardware setup, setting up the logic analyser or oscilloscope... | 1,760,371,493.660868 | ||
https://hackaday.com/2025/07/04/cis-4-is-a-monkish-clock-inside-a-ceiling-lamp/ | CIS-4 Is A Monkish Clock Inside A Ceiling Lamp | Tyler August | [
"clock hacks"
] | [
"attiny85",
"cistercian clock",
"neopixel"
] | It’s always clock time at Hackaday, and this time we have an interesting hack of a clock by [danjovic]– the
CIS4, a Cistercian digital clock.
The Cistertians, in case you weren’t paying close attention to European holy orders during the 13th to 15th centuries were the group of monks you’d most likely have found us in. ... | 3 | 1 | [
{
"comment_id": "8145806",
"author": "John Blund",
"timestamp": "2025-07-06T02:30:15",
"content": "That F-ing monk has been drinking to much wine . . . :-)Look 3, 30, 300 and 3000. Whats the purpose rotating the symbol for 3 when increasing factors?And there is room for a zero. 1, 2 and 6 are only u... | 1,760,371,494.650951 | ||
https://hackaday.com/2025/07/04/running-an-entire-ps1-emulator-in-a-ds-cartridge/ | Running An Entire PS1 Emulator In A DS Cartridge | Ian Bos | [
"Nintendo DS Hacks"
] | [
"emulation",
"nintendo",
"Nintendo DS",
"ps1",
"video game"
] | Gaming on a Nintendo DS can bring back great memories of long car trips from the past. But looking back, we remember wishing to play more than the DS could ever hope to handle. [fami] looks into the SuperCard DSTWO in
her recent video
, a solution to our past sorrows.
Able to play anything from the very games designed ... | 8 | 2 | [
{
"comment_id": "8145654",
"author": "blueyezboi",
"timestamp": "2025-07-05T09:27:32",
"content": "I wonder if your get this working in a 3ds",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8145667",
"author": "WirelessSpore61",
"timestamp": "... | 1,760,371,494.514282 | ||
https://hackaday.com/2025/07/04/video-cable-becomes-transmitter-with-tempest-lora/ | Video Cable Becomes Transmitter With TEMPEST-LoRa | Tyler August | [
"Radio Hacks",
"Security Hacks"
] | [
"air gap",
"cybersecurity",
"hdmi",
"LoRa",
"vga"
] | EFI from cables is something every ham loves to hate. What if you modulated, that, though, using an ordinary cable as an antenna? If you used something ubiquitous like a video cable, you might have a very interesting exploit– which is exactly what [Xieyang Sun] and their colleagues have done with
TEMPEST-LoRa, a techni... | 10 | 5 | [
{
"comment_id": "8145580",
"author": "Gravis",
"timestamp": "2025-07-05T01:59:57",
"content": "code:https://github.com/XieyangSun/TEMPEST-LoRa",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8145649",
"author": "Elliot Williams",
"timestamp": ... | 1,760,371,493.877116 | ||
https://hackaday.com/2025/07/04/3d-printer-turbo-charges-a-vintage-vehicle/ | 3D Printer Turbo-Charges A Vintage Vehicle | Seth Mabbott | [
"3d Printer hacks",
"car hacks"
] | [
"turbo"
] | [Ryan] of [Fat Lip Collective] has been on a streak of using 3D printing for his car mod projects. From spark plug adapters to exhaust pipes to dash panels, his CAD skills and additive manufacturing tech have played a number of roles in his process.
Most recently, [Ryan] has embarked on a mission to
equip an ’80s-era T... | 21 | 5 | [
{
"comment_id": "8145511",
"author": "TG",
"timestamp": "2025-07-04T20:41:30",
"content": "All I’m saying is that there better be a thumping Eurobeat soundtrack to this video or I’m getting a refund",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8145554",
... | 1,760,371,493.936906 | ||
https://hackaday.com/2025/07/04/2025-one-hertz-challenge-electromechanical-cmos-clock-keeps-in-step-with-mains-frequency/ | 2025 One Hertz Challenge: Electromechanical CMOS Clock Keeps In Step With Mains Frequency | Tyler August | [
"clock hacks"
] | [
"analog dial",
"cmos logic",
"electromechanical clock",
"moving coil",
"stepper motor"
] | Some people can’t be bothered to read the analog face of a traditional clock. Some people cannot stand the low frequency “hum” of mains current. If you are in either of those categories, you probably don’t want to make [Christian]’s
handsome and well-documented electromechanical CMOS clock
.
As you might guess from the... | 12 | 6 | [
{
"comment_id": "8145513",
"author": "Derek Tombrello",
"timestamp": "2025-07-04T20:45:09",
"content": "I built a BCD LED clock years ago. It derived it time keeping from the supposed 60 cycle mains frequency. I say supposed because for some reason, our mains line was no where NEAR 60 cycles. It ran... | 1,760,371,494.774965 | ||
https://hackaday.com/2025/07/04/hackaday-podcast-episode-327-a-ploopy-knob-rube-goldberg-book-scanner-hard-drives-and-power-grids-oscillating-out-of-control/ | Hackaday Podcast Episode 327: A Ploopy Knob, Rube-Goldberg Book Scanner, Hard Drives And Power Grids Oscillating Out Of Control | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | It’s Independence Day here in the USA, but if you’re not a fan of fireworks and hot dogs, Elliot and Dan’s rundown of the best hacks of the week is certainly something to celebrate. Rest easy, because nothing exploded, not even the pneumatic standing desk that [Matthias] tore into, nor the electroplated 3D prints that ... | 7 | 3 | [
{
"comment_id": "8145565",
"author": "irox",
"timestamp": "2025-07-05T00:34:23",
"content": "To get out in front of all the FUD: Ploopy’s Knob is really open source (just like there other products). A few folks have been falsely claiming Ploopy is lying about being open source and try to scam the co... | 1,760,371,494.068245 | ||
https://hackaday.com/2025/07/04/smart-temp-sensors-helps-you-nail-your-cooking/ | Smart Temp Sensors Helps You Nail Your Cooking | Lewin Day | [
"Tool Hacks"
] | [
"cooking",
"temperature sensor"
] | Cooking is all about temperature control: too cold isn’t good enough, and too hot can ruin everything. To aid in this regard, [Printerforge] created a smart temperature alarm to keep them aware of
exactly what’s going on in the pot
.
The device is simple — it uses an Arduino Nano hooked up to a thermistor to measure th... | 21 | 8 | [
{
"comment_id": "8145396",
"author": "Lord Kimbote",
"timestamp": "2025-07-04T16:20:06",
"content": "Commercial thermometers now can be inserted in the food (say, the center of a roast or a chicken) and be left there as it cooks AND send their readings in RT wirelessly. That if you don’t like to tak... | 1,760,371,494.568485 | ||
https://hackaday.com/2025/07/04/why-github-copilot-isnt-your-coding-partner/ | Why GitHub Copilot Isn’t Your Coding Partner | Maya Posch | [
"Artificial Intelligence",
"Software Development"
] | [
"GitHub Copilot",
"large language model"
] | These days ‘AI’ is everywhere, including in software development. Coming hot on the heels of approaches like eXtreme Programming and Pair Programming, there’s now a new kind of pair programming in town in the form of an LLM that’s been digesting millions of lines of code. Purportedly designed to help developers program... | 79 | 32 | [
{
"comment_id": "8145277",
"author": "Digitalzombie",
"timestamp": "2025-07-04T11:53:12",
"content": "“[… ]their overall view is that using Copilot degrades a programmer, mostly because of how it takes critical thinking skills out of the loop.”I don’t know … when I use Copilot while developing somet... | 1,760,371,494.465887 | ||
https://hackaday.com/2025/07/04/smd-capacitor-doubles-as-cheap-sd-card-latch/ | SMD Capacitor Doubles As Cheap SD Card Latch | John Elliot V | [
"hardware",
"PCB Hacks"
] | [
"clip",
"flash media",
"mechanical support",
"pcb",
"SMD capacitor"
] | Here’s a clever hack. Simple, elegant, and eminently cost-effective:
using an SMD capacitor to hold your flash media in place
!
This is a hack that can pretty much be summed up with just the image at the top of the page — a carefully placed SMD capacitor soldered to a routed tab makes for an extremely cost effective lo... | 41 | 15 | [
{
"comment_id": "8145214",
"author": "sweethack",
"timestamp": "2025-07-04T08:14:28",
"content": "FR4 isn’t made for flexing up, it breaks very rapidly. Unless this card is only changed sporadically, this isn’t a good idea overall.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,494.347144 | ||
https://hackaday.com/2025/07/03/pez-blaster-shoots-candy-dangerously-fast/ | Pez Blaster Shoots Candy Dangerously Fast | Lewin Day | [
"3d Printer hacks"
] | [
"blaster",
"candy",
"Pez"
] | You could use a little pocket-sized Pez dispenser if you’re a humble, reserved person. Or, you could follow the example of [Backhaul Studios], and build a dangerously powerful blaster that shoots Pez
fast enough to shatter them into pieces
. Just don’t aim it at your own mouth.
As the video explains, Pez is really the ... | 3 | 3 | [
{
"comment_id": "8145195",
"author": "Andrew",
"timestamp": "2025-07-04T05:28:41",
"content": "Judicial will need to be informed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8145264",
"author": "Shannon",
"timestamp": "2025-07-04T10:33:13",
"con... | 1,760,371,494.605501 | ||
https://hackaday.com/2025/07/03/ai-might-kill-us-all-with-carbon-emissions/ | AI Might Kill Us All (With Carbon Emissions) | Navarre Bartz | [
"Artificial Intelligence"
] | [
"ai",
"artificial intelligence",
"carbon emissions",
"climate change",
"energy",
"global warming",
"natural gas",
"nuclear",
"nuclear energy",
"power plants",
"public utility commission",
"renewable energy"
] | So-called artificial intelligence (AI) is all the rage right now between your grandma asking ChatGPT how to code in Python or influencers making videos without having to hire extras, but one growing concern is where the power is going to come from for the data centers. The MIT Technology Review team did a deep dive on ... | 39 | 10 | [
{
"comment_id": "8145151",
"author": "TG",
"timestamp": "2025-07-04T02:38:55",
"content": "Nothing is going to kill us all. I can’t believe people really don’t get embarrassed by predictions of the apocalypse… As if you don’t still sound crazy just because you put “AI” in there instead of idunno dem... | 1,760,371,494.729993 | ||
https://hackaday.com/2025/07/03/smart-mjolnir-makes-questionable-judgement-call-on-your-worthiness/ | Smart Mjolnir Makes Questionable Judgement Call On Your Worthiness | Lewin Day | [
"Misc Hacks"
] | [
"hammer",
"mjolnir",
"movie prop",
"prop",
"Thor's Hammer"
] | Mjolnir, also known as Thor’s hammer, is a discerning thing, at least if you believe the modern Marvel canon. [alemanjir] decided to build a semi-functional replica that makes judgement calls of its own,
though they’re perhaps a little less thought-out than the storied hammer of legend.
The build consists of a 3D-print... | 3 | 3 | [
{
"comment_id": "8145283",
"author": "BitMage",
"timestamp": "2025-07-04T12:25:28",
"content": "The one that Allen Pan made 9 years ago could be slid off the metal surface by someone with brute strength who was unworthy.https://www.youtube.com/watch?v=0_8Xhzt5YQI",
"parent_id": null,
"depth"... | 1,760,371,494.859003 | ||
https://hackaday.com/2025/07/03/a-miniature-ostwald-reactor-to-make-nitric-acid/ | A Miniature Ostwald Reactor To Make Nitric Acid | Aaron Beckendorf | [
"chemistry hacks"
] | [
"ammonia",
"nitric acid",
"Ostwald process"
] | Modern fertilizer manufacturing uses the Haber-Bosch and Ostwald processes to fix aerial nitrogen as ammonia, then oxidize the ammonia to nitric acid. Having already created a Haber-Bosch reactor for ammonia production, [Markus Bindhammer] took the obvious next step and created
an Ostwald reactor
to make nitric acid.
[... | 13 | 7 | [
{
"comment_id": "8145075",
"author": "TG",
"timestamp": "2025-07-03T20:26:59",
"content": "For fertilizer, eh? ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8145113",
"author": "fonz",
"timestamp": "2025-07-03T22:37:18",
"content"... | 1,760,371,494.823043 | ||
https://hackaday.com/2025/07/03/openmidistomper-makes-sure-your-gear-does-what-your-foot-says/ | OpenMIDIStomper Makes Sure Your Gear Does What Your Foot Says | Lewin Day | [
"Musical Hacks"
] | [
"footswitch",
"midi",
"midi controller",
"stomp box"
] | If you’re a solo musician, you probably have lots of gear you’d like to control, but you don’t have enough hands. You can enlist your feet, but your gear might not have foot-suitable interfaces as standard. For situations like these,
[Nerd Musician] created the OpenMIDIStomper
.
The concept is simple enough—the hardy H... | 1 | 1 | [
{
"comment_id": "8146317",
"author": "Jii",
"timestamp": "2025-07-07T17:57:04",
"content": "Let’s see if this time my comment gets through.Nice project. I’ve been looking for one, but the commands i need are different. Seems easy to modify though.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,371,494.914928 | ||
https://hackaday.com/2025/07/03/last-chance-2025-hackaday-supercon-still-wants-you/ | Last Chance: 2025 Hackaday Supercon Still Wants You! | Elliot Williams | [
"cons",
"Hackaday Columns",
"News",
"Slider"
] | [
"2025 Hackaday Superconference",
"speakers",
"Supercon"
] | Good news, procrastinators! Today was going to be the last day to
throw your hat in the ring for a slot to talk at Supercon in November
, but we’re extending the deadline one more week, until July 10th. We have an almost full schedule, but we’re still missing
your
talk.
So if the thought of having missed the deadline f... | 2 | 1 | [
{
"comment_id": "8145003",
"author": "Sven Hapsbjorg",
"timestamp": "2025-07-03T17:10:47",
"content": "We have an almost full schedule( ͡° ͜ʖ ͡°)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8145665",
"author": "JanW",
"timestamp": "2025-07... | 1,760,371,495.143462 | ||
https://hackaday.com/2025/07/03/i-gotta-print-more-cowbell/ | I Gotta Print More Cowbell | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"carbon fiber",
"cowbell",
"filament",
"metal",
"pps-cf"
] | Since the earliest days of affordable, home 3D printers, the technology behind them has been continuously improving. From lowering costs, improving print quality, increasing size and detail, and diversifying the types of materials, it’s possible to get just about anything from a 3D printer today with a minimum of cost.... | 5 | 3 | [
{
"comment_id": "8145010",
"author": "echodelta",
"timestamp": "2025-07-03T17:26:16",
"content": "Cowbell joke aside this is cool as plastic gets even accounting for my use of water jugs as tuned drums. You should look into the physics of tuned metal bar instruments and their resonators. The ability... | 1,760,371,495.232952 | ||
https://hackaday.com/2025/07/02/floss-weekly-episode-839-i-want-to-get-paid-twice/ | FLOSS Weekly Episode 839: I Want To Get Paid Twice | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"AlmaLinux",
"FLOSS Weekly",
"linux"
] | This week
Jonathan
chats with
benny Vasquez
about AlmaLinux! Why is AlmaLinux the choice for slightly older hardware? What is the deal with RISC-V? And how does EPEL fit in? Tune in to find out!
https://www.linkedin.com/in/bennyvasquez/
almalinux.org
https://almalinux.org/blog/2025-04-24-election-announcement/
https://... | 0 | 0 | [] | 1,760,371,495.193314 | ||
https://hackaday.com/2025/07/02/south-korea-brought-high-rise-fire-escape-solutions-to-the-masses/ | South Korea Brought High-Rise Fire Escape Solutions To The Masses | Lewin Day | [
"Hackaday Columns",
"Slider"
] | [
"belay",
"climbing",
"escape",
"fire",
"Korea",
"rope",
"south korea"
] | When a fire breaks out in a high-rise building, conventional wisdom is that stairwells are the only way out. Lifts are verboten in such scenarios, while sheer height typically prevents any other viable route of egress from tall modern buildings. If the stairs are impassable, or you can’t reach them, you’re in dire peri... | 44 | 24 | [
{
"comment_id": "8144389",
"author": "TG",
"timestamp": "2025-07-02T18:09:35",
"content": "Did they ever do a study to figure out the percentage of people who actually have the cojones to use this thing before they are already covered in third-degree burns? Probably pretty low",
"parent_id": nul... | 1,760,371,495.463342 | ||
https://hackaday.com/2025/07/02/making-a-smarter-laptop-cooler/ | Making A Smarter Laptop Cooler | Aaron Beckendorf | [
"laptops hacks"
] | [
"arduino pro micro",
"cooler",
"laptop cooling"
] | [Bogdan Micea] uses a laptop cooler, but was a bit annoyed that his cooler would run at the same power no matter how hard the laptop was working. Rather than keep adjusting the cooler’s power manually, he
automated it
by installing an Arduino Pro Micro as a controller in the cooler and writing a Rust controller applica... | 18 | 9 | [
{
"comment_id": "8144352",
"author": "Bogdan Mircea",
"timestamp": "2025-07-02T15:59:05",
"content": "I am humbled by the fact that you published an article about my project. Thank you!For those interested, a by-product of this project was the idiomatic integration of libusb’s async interface with R... | 1,760,371,495.291365 | ||
https://hackaday.com/2025/07/02/why-the-latest-linux-kernel-wont-run-on-your-486-and-586-anymore/ | Why The Latest Linux Kernel Won’t Run On Your 486 And 586 Anymore | Lewin Day | [
"Current Events",
"Featured",
"Linux Hacks",
"Original Art",
"Slider"
] | [
"486",
"amd",
"CMPXCHG8B",
"Cyrix",
"elan",
"i486",
"linux",
"pentium",
"rdtsc",
"TSC"
] | Some time ago
, Linus Torvalds made a throwaway comment that sent ripples through the Linux world. Was it perhaps time to abandon support for the now-ancient Intel 486? Developers had already abandoned the 386 in 2012, and Torvalds openly mused if the time was right to make further cuts for the benefit of modernity.
It... | 107 | 27 | [
{
"comment_id": "8144297",
"author": "cal5582",
"timestamp": "2025-07-02T14:23:48",
"content": "why do we care about removing lines of code if it removes functionality? linux already runs in under 1 gig of ram and is already more optimized than windows? why would anyone want legacy compatibility rem... | 1,760,371,495.961978 | ||
https://hackaday.com/2025/07/02/finally-an-extension-to-copyright-law-we-can-get-behind/ | Finally, An Extension To Copyright Law We Can Get Behind | Jenny List | [
"Interest",
"News"
] | [
"copyright",
"privacy",
"totally not legal advice"
] | Normally when a government extends a piece of copyright law we expect it to be in the favour of commercial interests with deep pockets and little care for their consumers. But in Denmark they do things differently it seems, which is why they are
giving Danes the copyright over their own features such as their faces or ... | 31 | 18 | [
{
"comment_id": "8144238",
"author": "anon",
"timestamp": "2025-07-02T11:07:05",
"content": "I suspect this is going to create a lot of legal grey area that will burden courts quite a lot. No your honor I didn’t intentionally create a look alike of that guy can’t you tell it’s really obvious it’s no... | 1,760,371,495.529209 | ||
https://hackaday.com/2025/07/02/adding-automatic-emergency-braking-to-an-rc-car/ | Adding Automatic Emergency Braking To An RC Car | Lewin Day | [
"Toy Hacks",
"Transportation Hacks"
] | [
"arduino nano",
"R/C car",
"radio control"
] | Modern RC cars can be pretty darn fast. That’s fun and all, but it also makes it easy to crash them into things. This problem inspired [Narrow Studios]
to whip up something to offer a bit of protection.
The concept is simple enough—the RC car just needs some way to detect obstacles and stop before hitting them. The bui... | 1 | 1 | [
{
"comment_id": "8144563",
"author": "Chris Bulliner",
"timestamp": "2025-07-03T00:35:26",
"content": "I’ve used ultrasonic sensors for anticollision before. The two main issues were noise/interference, and as is mentioned in the article, refresh or update time. But they do have really nice coverage... | 1,760,371,497.644386 | ||
https://hackaday.com/2025/07/01/whack-a-disk/ | Whack-A-Disk | Bryan Cockfield | [
"Games"
] | [
"amiga",
"floppy disk",
"game",
"retrocomputing",
"whack-a-mole"
] | By now most floppy disks have been relegated to the dustbin of history, with a few exceptions for obscure industrial applications using legacy hardware and, of course, much of the world’s nuclear weapons arsenals. In fact, they’re so rare to see in the world anymore that many below a certain age don’t recognize the “sa... | 11 | 8 | [
{
"comment_id": "8144275",
"author": "Andrea D'Alessandro",
"timestamp": "2025-07-02T13:27:37",
"content": "Nah, much of the world’s nuclear weapons arsenals do not use 3.5″ floppies.They use 8″ floppies ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "814... | 1,760,371,497.745909 | ||
https://hackaday.com/2025/07/03/back-to-the-future-40-years-old-looks-like-the-past/ | Back To The Future, 40 Years Old, Looks Like The Past | John Elliot V | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [] | Great Scott! If my calculations are correct, when this baby hits 88 miles per hour, you’re gonna see some serious shit. — Doc Brown
On this day, forty years ago, July 3rd, 1985 the movie
Back to the Future
was released. While not as fundamental as
Hackers
or realistic as
Sneakers
, this movie worked its way into our pa... | 81 | 22 | [
{
"comment_id": "8144920",
"author": "OldTechGuy",
"timestamp": "2025-07-03T14:20:34",
"content": "Wait, no remote controls for television sets? What alternate 1985 are we talking about? We had a Zenith TV in the early 60’s that used a remote (“Zenith Space Command”) with 2 or 4 mechanically-activ... | 1,760,371,497.98608 | ||
https://hackaday.com/2025/07/03/its-2025-and-we-still-need-ipv4-what-happens-when-we-lose-it/ | It’s 2025, And We Still Need IPv4! What Happens When We Lose It? | Jenny List | [
"Current Events",
"Network Hacks"
] | [
"ipv4",
"IPv6"
] | Some time last year, a weird thing happened in the hackerspace where this is being written. The Internet was up, and was blisteringly fast as always, but only a few websites worked. What was up? Fortunately with more than one high-end networking specialist on hand it was quickly established that we had a problem with o... | 77 | 30 | [
{
"comment_id": "8144848",
"author": "shinsukke",
"timestamp": "2025-07-03T11:18:06",
"content": "IPv4 would be six feet under were it not for cheap ISPs who refuse to update their infrastructure to support IPv6. But sure, they’ll buy thousands of CGNAT bandaid equipment to get more mileage out of t... | 1,760,371,497.865178 | ||
https://hackaday.com/2025/07/03/reliving-vhs-memories-with-nfc-and-esphome/ | Reliving VHS Memories With NFC And ESPHome | Tyler August | [
"classic hacks",
"home entertainment hacks"
] | [
"cartridge",
"ESP32",
"esphome",
"NFC",
"physical media"
] | Like many of us of a certain vintage, [Dillan Stock] at
The Stock Pot
is nostalgic for VHS tapes. It’s not so much the fuzzy picture or the tracking issues we miss, but the physical experience the physical medium brought to movie night. To recreate that magic, [Dillan] made a
Modern VHS with NFC and ESPHome.
NFC tags a... | 10 | 8 | [
{
"comment_id": "8144842",
"author": "shinsukke",
"timestamp": "2025-07-03T10:57:18",
"content": "3D printing was made for rapid prototyping and possibly making one-off moulds for making parts.I know its a tool and everything is free to use it for whatever they want. I understand the urge to make pl... | 1,760,371,497.554866 | ||
https://hackaday.com/2025/07/02/smallest-gaming-mouse-has-crazy-fast-polling-rate-and-resolution/ | Smallest Gaming Mouse Has Crazy Fast Polling Rate And Resolution | Lewin Day | [
"Peripherals Hacks"
] | [
"gaming mouse",
"mouse",
"peripherals"
] | [juskim] wanted to build a tiny mouse, but it couldn’t just be any mouse. It had to be a high-tech gaming mouse that could compete with the best on raw performance.
The results are impressive,
even if the final build is perhaps less than ideal for pro-level gameplay.
The build riffs on an earlier build from [juskim] th... | 11 | 6 | [
{
"comment_id": "8144686",
"author": "Mause",
"timestamp": "2025-07-03T05:54:06",
"content": "I would love to buy this as a module, and print a mouse shell around it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8144710",
"author": "Andrew",
... | 1,760,371,497.603964 | ||
https://hackaday.com/2025/07/02/reservoir-sampling-or-how-to-sample-sets-of-unknown-size/ | Reservoir Sampling, Or How To Sample Sets Of Unknown Size | Donald Papp | [
"Software Hacks"
] | [
"interactive",
"reservoir sampling",
"sampling",
"software",
"statistics"
] | Selecting a random sample from a set is simple. But what about selecting a fair random sample from a set of unknown or indeterminate size? That’s where reservoir sampling comes in, and [Sam Rose] has a
beautifully-illustrated, interactive guide to how reservoir sampling works
. As far as methods go, it’s as elegant as ... | 2 | 2 | [
{
"comment_id": "8144981",
"author": "rtu4",
"timestamp": "2025-07-03T16:14:37",
"content": "And why do I need such knowledge. Better tell me how to win at poker!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8145110",
"author": "m1ke",
"timestamp": "... | 1,760,371,497.500655 | ||
https://hackaday.com/2025/07/02/hack-swaps-keys-for-gang-signs-everyone-gets-in/ | Hack Swaps Keys For Gang Signs, Everyone Gets In | Tyler August | [
"Raspberry Pi",
"Security Hacks"
] | [
"door lock",
"ESP32",
"gesture control",
"MediaPipe",
"Raspberry Pi 5"
] | How many times do you have to forget your keys before you start hacking on the problem? For [Binh], the answer was 5 in the last month, and his hack
was to make a gesture-based door unlocker
. Which leads to the amusing image of [Binh] in a hallway throwing gang signs until he is let in.
The system itself is fairly sim... | 12 | 4 | [
{
"comment_id": "8144553",
"author": "Maria",
"timestamp": "2025-07-02T23:40:14",
"content": "How many times do you have to forget your keys before you start hacking on the problem?None, because here in Latvia we don’t use doors with latching locks. If I want to go outside I have to lock my doors wi... | 1,760,371,498.039082 | ||
https://hackaday.com/2025/07/02/subpixel-rendering-for-impossibly-small-terminal-text/ | Subpixel Rendering For Impossibly Small Terminal Text | Tyler August | [
"classic hacks",
"Software Hacks"
] | [
"pixel font",
"subpixel",
"subpixel rendering"
] | When it comes to text, how small is too small? The experts say a six point font is the minimum for readability, but as [James Bowman] shows us,
you can get away with half of that.
The goal is to produce a 40-character display on a 24 mm x 24 mm LCD that has a resolution of 240 x 240 to show a serial terminal (or other ... | 46 | 16 | [
{
"comment_id": "8144459",
"author": "Bill",
"timestamp": "2025-07-02T20:14:54",
"content": "Older character generators used a cell of 5×7 pixels, or 5×9 if you wanted decenders. I like that look better than the color fringing.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,498.234196 | ||
https://hackaday.com/2025/07/01/challenge-square-a-voltage/ | Challenge: Square A Voltage | Al Williams | [
"Misc Hacks"
] | [
"analog computer",
"bipolar transistor",
"op-amp"
] | Your design task, should you decide to accept it: given an input voltage, square it. Ok, that’s too hard since squaring 8 volts would give you 64 volts, so let’s say the output should be 10% of the square, so 8 volts in would result in 6.4V. How do you do it? [Engineering Prof.]
knows how
and will show you what you can... | 17 | 10 | [
{
"comment_id": "8144152",
"author": "Isaac Wingfield",
"timestamp": "2025-07-02T03:24:06",
"content": "If you want to use transistors, an LM394 is the way to go. Motorola used to make an analog multiplier IC; not sure if they still do.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,497.699751 | ||
https://hackaday.com/2025/07/01/a-crypto-miner-takes-the-straight-and-narrow/ | A Crypto Miner Takes The Straight And Narrow | Bryan Cockfield | [
"hardware"
] | [
"crypto",
"gpu",
"hardware",
"media",
"miner",
"mining",
"pci",
"repurpose",
"server"
] | As it stands, cryptocurrency largely seems to be a fad of the previous decade, at least as far as technology goes. During that time, many PC users couldn’t get reasonably priced graphics cards since most of them were going into these miners. In contrast, nowadays any shortages are because they’re being used to turn the... | 29 | 6 | [
{
"comment_id": "8144112",
"author": "SETH",
"timestamp": "2025-07-02T01:30:47",
"content": "Are there contemporary methodologies which the next generation of cryptocurrency could be based upon? I know SHA256 is prominent in BitCoins code base, and its considered very robust. I suppose the past 10... | 1,760,371,498.303739 | ||
https://hackaday.com/2025/07/01/there-are-better-lego-compatible-universal-joints-out-there/ | There Are Better Lego-Compatible Universal Joints Out There | Lewin Day | [
"Misc Hacks"
] | [
"gears",
"lego",
"mechanical",
"universal joint"
] | Lego’s Technic line features all kinds of mechanical devices, from cogs to gears to chains and even pneumatic components. However, the vast majority of these components are made out of plastic and are only capable of toy-like levels of performance. In the competitive world of Lego YouTube, builders often push these par... | 11 | 3 | [
{
"comment_id": "8144038",
"author": "Paul",
"timestamp": "2025-07-01T20:34:31",
"content": "Remember: Universal joints are not constant-velocity: The speed of the output shaft varies during rotation. Use universal joints in pairs, set 90 degrees to each other, so the rate variation (mostly) cancel... | 1,760,371,498.353102 | ||
https://hackaday.com/2025/07/01/are-service-loops-a-good-idea/ | Are Service Loops A Good Idea? | John Elliot V | [
"hardware",
"how-to"
] | [
"cable slack",
"service loop",
"strain relief",
"wire connector"
] | Well, here’s an interesting idea: the
service loop
. Ever heard of it? We haven’t!
In the video, the presenter explains the service loop serves two purposes: on the one hand it may provide strain relief, but chiefly these loops are installed so there will be extra available slack in the cable if you need to rewire it s... | 23 | 14 | [
{
"comment_id": "8144009",
"author": "Pat",
"timestamp": "2025-07-01T18:38:11",
"content": "This is mainly a thing (well the only time I’ve ever seen them) for D38999 (or their derivatives, anything that’s similar to mil-spec circular) connectors, where the connector and contacts can be Absurdly Exp... | 1,760,371,498.411058 | ||
https://hackaday.com/2025/07/01/c-encounters-of-the-rusty-zig-kind/ | C++ Encounters Of The Rusty Zig Kind | Maya Posch | [
"Hackaday Columns",
"Software Development"
] | [
"programming languages",
"rustlang",
"ziglang"
] | There comes a time in any software developer’s life when they look at their achievements, the lines of code written and the programming languages they have relied on, before wondering whether there may be more out there. A programming language and its associated toolchains begin to feel like familiar, well-used tools a... | 88 | 29 | [
{
"comment_id": "8143983",
"author": "shinsukke",
"timestamp": "2025-07-01T17:16:41",
"content": "I absolutely refuse to learn gradle when I dabbled with android dev. It never felt like it offered any value, only an impediment in the actual development work. Learning rapidly depreciating API (and of... | 1,760,371,498.551483 | ||
https://hackaday.com/2025/07/01/diy-book-lamp-is-a-different-take-on-the-illuminated-manuscript/ | DIY Book Lamp Is A Different Take On The Illuminated Manuscript | Navarre Bartz | [
"Art",
"LED Hacks",
"Science"
] | [
"book",
"book lamp",
"decorative",
"lamp",
"lighting",
"science class"
] | People have been coming up with clever ways to bring light to the darkness since we lived in caves, so it’s no surprise we still love finding interesting ways to illuminate our world. [Michael] designed a simple, but
beautiful, book lamp
that’s easy to assemble yourself.
This build really outshines its origins as an as... | 0 | 0 | [] | 1,760,371,498.661718 | ||
https://hackaday.com/2025/07/01/one-laptop-manufacturer-had-to-stop-janet-jackson-crashing-laptops/ | One Laptop Manufacturer Had To Stop Janet Jackson Crashing Laptops | Lewin Day | [
"computer hacks",
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"computer",
"hard disk",
"hard drive",
"janet jackson",
"rhythm nation"
] | There are all manner of musical myths, covering tones and melodies that have effects ranging from the profound to the supernatural. The Pied Piper, for example, or the infamous “brown note.”
But what about a song that could crash your laptop just by playing it? Even better, a song that could crash nearby laptops in the... | 34 | 10 | [
{
"comment_id": "8143906",
"author": "chaosbc",
"timestamp": "2025-07-01T14:04:10",
"content": "What would make windows XP not to crash anyway 😂",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8143907",
"author": "BT",
"timestamp": "2025-07-01T14:09:45... | 1,760,371,498.627113 | ||
https://hackaday.com/2025/07/01/move-over-cybertruck-series-hybrids-from-edison-are-on-the-way/ | Move Over, Cybertruck: Series Hybrids From Edison Are On The Way | Tyler August | [
"Transportation Hacks"
] | [
"diesel-electric",
"Edison Motors",
"electric semi-truck",
"electric trucks",
"series hybrid"
] | It’s been awhile since we checked in with Canada’s Edison Motors, so let’s visit
[DeBoss Garage] for an update video
. To recap, Edison Motors is a Canadian company building
diesel-electric hybrid semi-trucks
and more.
The last interesting thing to happen in Donald, BC was when it burned down in the 1910s.
Well, they’v... | 21 | 8 | [
{
"comment_id": "8143862",
"author": "Jan",
"timestamp": "2025-07-01T11:25:59",
"content": "I’ve read the article but all I can think of is: will there be an “Edison versus Tesla” battle? Where each company demonstrates the power of their technology and highlights the potential dangers of the techno... | 1,760,371,498.763343 | ||
https://hackaday.com/2025/07/01/in-vivo-car-t-cell-generation-for-cancer-and-auto-immune-treatments/ | In Vivo CAR T Cell Generation For Cancer And Auto-Immune Treatments | Maya Posch | [
"Science"
] | [
"cancer",
"CAR t-cell therapy",
"immunotherapy"
] | With immunotherapy increasingly making it out of the lab and into hospitals as a viable way to treat serious conditions like cancer, there’s a lot of pressure to optimize these therapies. This is especially true for therapies involving chimeric antigen receptor (CAR) T cells, which so far required a cumbersome process ... | 1 | 1 | [
{
"comment_id": "8144064",
"author": "Gravis",
"timestamp": "2025-07-01T21:50:38",
"content": "Reprogramming cells is to perform the tasks we want is progress in the right direction. One possible downside is could be too effective and then you lose generic immunity until more autoimmune cells are pr... | 1,760,371,498.701481 | ||
https://hackaday.com/2025/06/30/building-the-marauder-lowracer-from-bike-parts/ | Building The Marauder LowRacer From Bike Parts | John Elliot V | [
"Transportation Hacks"
] | [
"bike parts",
"LowRacer",
"street racing bike"
] | Thanks to [Radical Brad] for writing in to let us know about his recent project,
building a street racing bike from square tubing and old bike parts
.
In this 50 minute video [Radical Brad] takes us through the process of building the Marauder v2, a street racing LowRacer. The entire build was done over a few weekends ... | 23 | 7 | [
{
"comment_id": "8143729",
"author": "Joe",
"timestamp": "2025-07-01T06:02:32",
"content": "A mate built something like this about 30 years ago….I could never get the hang of recumbents, so I’m stuck on my slow upright bikes (doubly slow, since I don’t ride as much as I used to…)",
"parent_id": ... | 1,760,371,498.855469 | ||
https://hackaday.com/2025/06/30/super8-camera-brought-to-the-modern-world/ | Super8 Camera Brought To The Modern World | Bryan Cockfield | [
"Raspberry Pi"
] | [
"80's",
"analog",
"camera module",
"nostalgia",
"raspberry pi",
"Raspberry Pi Zero",
"super 8"
] | Certain styles of photography or videography immediately evoke an era. Black-and-white movies of flappers in bob cuts put us right in the roaring 20s, while a soft-focused, pastel heavy image with men in suits with narrow ties immediately ties us to the 60s. Similarly, a film shot at home with a Super 8 camera, with it... | 19 | 4 | [
{
"comment_id": "8143683",
"author": "Piecutter",
"timestamp": "2025-07-01T03:49:02",
"content": "Who was using Super 8 in the 80s or 90s? VHS, Beta, and Hi-8 spanned that era. All my Super 8 memories are from the 60s and 70s.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,498.922204 | ||
https://hackaday.com/2025/06/30/phone-keyboard-reverse-engineered/ | Phone Keyboard Reverse Engineered | Al Williams | [
"Reverse Engineering"
] | [
"keyboard",
"logic analyzer"
] | Who knows what you’ll find in a second-hand shop? [Zeal] found some old keyboards made to fit early Alcatel phones from the year 2000 or so. They looked good but, of course, had no documentation. He’s made
two videos
about his adventure, and you can see them below.
The connector was a cellphone-style phone jack that mu... | 3 | 2 | [
{
"comment_id": "8144543",
"author": "RF Dude",
"timestamp": "2025-07-02T23:26:50",
"content": "A shame to throw out perfectly good and working obsolete tech. Add a BT chip and you have a keyboard that can pair with many things. Good work figuring it out.I have lots of brand new Ericsson mobile p... | 1,760,371,499.071032 | ||
https://hackaday.com/2025/06/30/blowtorching-electroplated-3d-prints-for-good-reason/ | Blowtorching Electroplated 3D Prints For Good Reason | Lewin Day | [
"3d Printer hacks"
] | [
"blowtorch",
"copper",
"electroplating"
] | What if you electroplated a plastic 3D print, and then melted off the plastic to leave just the metal behind? [HEN3DRIK] has been experimenting
with just such a process
, with some impressive results.
For this work, [HEN3DRIK] prints objects in a special PVB “casting filament” which has some useful properties. It can b... | 28 | 11 | [
{
"comment_id": "8143578",
"author": "cliff claven",
"timestamp": "2025-06-30T20:54:07",
"content": "Interesting…I may need to take a look at the filament he used. I have used PLA for burn-out applications, but this might be a better choice.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,499.032672 | ||
https://hackaday.com/2025/06/30/sand-drawing-table-inspired-by-sisyphus/ | Sand Drawing Table Inspired By Sisyphus | Lewin Day | [
"Art",
"Misc Hacks",
"Raspberry Pi"
] | [
"ece4760",
"Raspberry Pi Pico",
"sand",
"sand table"
] | In Greek mythology, Sisyphus was a figure who was doomed to roll a boulder for eternity as a punishment from the gods. Inspired by this, [Aidan], [Jorge], and [Henry] decided to build a sand-drawing table
that endlessly traces out beautiful patterns
(or at least, for as long as power is applied). You can watch it go in... | 7 | 5 | [
{
"comment_id": "8143543",
"author": "david",
"timestamp": "2025-06-30T18:44:33",
"content": "I’ve seen this before… also somewhat similar to this commercial product, sisyphus-industries.com",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8143546",
"a... | 1,760,371,498.968871 | ||
https://hackaday.com/2025/06/30/data-visualization-and-aggregation-time-series-databases-grafana-and-more/ | Data Visualization And Aggregation: Time Series Databases, Grafana And More | Maya Posch | [
"Hackaday Columns",
"Slider",
"Software Development"
] | [
"grafana",
"time series database"
] | If there’s one thing that characterizes the Information Age that we find ourselves in today, it is streams of data. However, without proper ways to aggregate and transform this data into information, it’ll either vanish into the ether or become binary blobs gathering virtual dust on a storage device somewhere. Dealing ... | 14 | 10 | [
{
"comment_id": "8143586",
"author": "Neil",
"timestamp": "2025-06-30T21:28:10",
"content": "Might be worth noting that Graphite uses carbon-cache to actually store the data, which uses rrdtool for its “whisper” databases.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,371,499.228874 | ||
https://hackaday.com/2025/06/30/chasing-a-raspberry-pi-bottleneck/ | Chasing A Raspberry Pi Bottleneck | Jenny List | [
"computer hacks"
] | [
"bottleneck",
"encryption",
"htop"
] | The Raspberry Pi has been used for many things over its lifetime, and we’re guessing that many of you will have one in perhaps its most common configuration, as a small server. [Thibault] has a Pi 4 in this role, and it’s used to back up the data from his VPS in a data centre. The Pi 4 may be small and relatively affor... | 9 | 5 | [
{
"comment_id": "8143489",
"author": "Miles",
"timestamp": "2025-06-30T16:04:59",
"content": "Poor guy, wound up buying a MinisForum UM880 Plus.I don’t get it when big companies are throwing out Lenovo Tiny, Dell Micro and HP Mini machines left and right. I got one with a 12th gen Pentium chip for ... | 1,760,371,499.27506 | ||
https://hackaday.com/2025/06/30/the-2025-iberian-peninsula-blackout-from-solar-wobbles-to-cascade-failures/ | The 2025 Iberian Peninsula Blackout: From Solar Wobbles To Cascade Failures | Maya Posch | [
"Current Events",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"blackout",
"power grid"
] | Some Mondays are worse than others, but April 28 2025 was particularly bad for millions of people in Spain and Portugal. Starting just after noon, a number of significant grid oscillations occurred which would worsen over the course of minutes until both countries were plunged into a blackout. After a first substation ... | 70 | 17 | [
{
"comment_id": "8143464",
"author": "Guru-san",
"timestamp": "2025-06-30T14:35:58",
"content": "Fascinating and really good write up, thanks Maya! would love to see a follow up when the report drops~",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8143467",
... | 1,760,371,499.750188 | ||
https://hackaday.com/2025/06/30/behind-radioshacks-cheapest-computer/ | Behind RadioShack’s Cheapest Computer | Bryan Cockfield | [
"Retrocomputing"
] | [
"1980's",
"pc",
"radioshack",
"retrocomputing",
"trs-80",
"trs-80 mc-10"
] | In the 1980s, there was a truly staggering amount of choice for a consumer looking to purchase a home computer. On the high end, something like an Apple Lisa, a business-class IBM PC, or a workstation from Sun Microsystems could easily range from $6,000 to $20,000 (not adjusted for inflation). For the time, these mind-... | 30 | 14 | [
{
"comment_id": "8143419",
"author": "Neil Cherry",
"timestamp": "2025-06-30T12:11:00",
"content": "The MC10 is an interesting machine, it has a decent CPU , the MC6803 but the design was weird. The MC6803 has a serial port but the designers of the MC10 decided not to use it. Instead they bit banged... | 1,760,371,499.426096 | ||
https://hackaday.com/2025/06/30/preserve-your-plants-with-an-automated-terrarium/ | Preserve Your Plants With An Automated Terrarium | Aaron Beckendorf | [
"home hacks"
] | [
"automation",
"esp32-C3",
"plants",
"terrarium",
"ultrasonic atomizer"
] | For those of us who aren’t blessed with a green thumb and who are perhaps a bit forgetful, plants can be surprisingly difficult to keep alive. In those cases, some kind of automation, such as [Justin Buchanan]’s
Oasis smart terrarium
, is a good way to keep our plants from suffering too much.
The Oasis has an ultrasoni... | 1 | 1 | [
{
"comment_id": "8143526",
"author": "Tariq Khan",
"timestamp": "2025-06-30T17:57:28",
"content": "shah786",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,500.073945 | ||
https://hackaday.com/2025/06/29/switching-from-desktop-linux-to-freebsd/ | Switching From Desktop Linux To FreeBSD | Maya Posch | [
"Linux Hacks"
] | [
"BSD",
"freebsd",
"GNU/Linux",
"operating systems",
"unix"
] | People have been talking about switching from Windows to Linux since the 1990s, but in the world of open-source operating systems, there is much more variety than just the hundreds of flavors of Linux-based operating systems today. Take FreeBSD, for example. In a
recent [GNULectures] video
, we get to see a user’s atte... | 44 | 16 | [
{
"comment_id": "8143317",
"author": "Carl Breen",
"timestamp": "2025-06-30T05:17:17",
"content": "Since gaming comes up at the end:Bazzite (Fedora Linux) is currently becoming very popular as alternative to Steam OS3 (Arch Linux).",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,499.632375 | ||
https://hackaday.com/2025/06/29/break-the-air-gap-with-ultrasound/ | Break The Air Gap With Ultrasound | Jenny List | [
"computer hacks",
"Security Hacks"
] | [
"airgap",
"data exfiltration",
"ultrasound"
] | In the world of information security, much thought goes into ensuring that no information can leave computer networks without expressly being permitted to do so. Conversely, a lot of effort is expended on the part of would-be attackers to break through whatever layers are present. [Halcy] has a way to share data betwee... | 15 | 11 | [
{
"comment_id": "8143272",
"author": "GameboyRMH",
"timestamp": "2025-06-30T02:35:43",
"content": "Advertisers already did it:https://www.zdnet.com/article/hundreds-of-apps-are-using-ultrasonic-sounds-to-track-your-ad-habits/",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,499.553252 | ||
https://hackaday.com/2025/06/29/hackaday-links-june-29-2025/ | Hackaday Links: June 29, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"aluminum",
"chatbot",
"hackaday links",
"hertz",
"laser",
"machine vision",
"medical",
"reental car",
"skull",
"slow motion",
"tig",
"tools",
"ugga-dugga",
"welding",
"wrenches"
] | In today’s episode of “AI Is Why We Can’t Have Nice Things,” we feature the Hertz Corporation and its new
AI-powered rental car damage scanners
. Gone are the days when an overworked human in a snappy windbreaker would give your rental return a once-over with the old Mark Ones to make sure you hadn’t messed the car up ... | 16 | 6 | [
{
"comment_id": "8143228",
"author": "Ostracus",
"timestamp": "2025-06-29T23:14:53",
"content": "That first one may necessitate people taking their own photos before accepting the rental.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8143319",
"auth... | 1,760,371,499.864936 | ||
https://hackaday.com/2025/06/29/windows-95-on-playstation-2-works-as-well-as-you-expected/ | Windows 95 On PlayStation 2 Works As Well As You Expected | Tyler August | [
"Playstation Hacks"
] | [
"Bochs",
"emulation",
"playstation 2",
"ps2",
"windows 95"
] | When you hear “PS2” and “Windows 95,” you probably think someone forgot a slash and are talking about peripherals, but no — this hack is very much about the Sony PlayStation 2, the best-selling game console of all time. [MeraByte] walks us through the possibly ridiculous task of i
nstalling Windows 95 on the last hardw... | 21 | 7 | [
{
"comment_id": "8143194",
"author": "Nikolai",
"timestamp": "2025-06-29T20:15:02",
"content": "Now try OS/2 Warp on it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8143196",
"author": "IIVQ",
"timestamp": "2025-06-29T20:16:54",
"c... | 1,760,371,499.811394 | ||
https://hackaday.com/2025/06/29/a-scanner-for-arduino-powered-book-archiving/ | A Scanner For Arduino-Powered Book Archiving | Aaron Beckendorf | [
"Misc Hacks"
] | [
"arduino giga",
"book",
"book scanner",
"book scanning",
"CNC shield"
] | Scanners for loose papers have become so commonplace that almost every printer includes one, but book scanners have remained frustratingly rare for non-librarians and archivists. [Brad Mattson] had some books to scan, but couldn’t find an affordable scanner that met his needs, so he took the obvious hacker solution and... | 4 | 4 | [
{
"comment_id": "8143199",
"author": "paulvdh",
"timestamp": "2025-06-29T21:07:25",
"content": "Quite impressive and nicely executed project. There is only one thing I’m having some doubts about. Most of the “newer generations” of scanners put the book into a V-shape and then make pictures of each p... | 1,760,371,499.906967 | ||
https://hackaday.com/2025/06/29/19th-century-photography-in-extreme-miniature/ | 19th Century Photography In Extreme Miniature | Bryan Cockfield | [
"Art"
] | [
"microphotography",
"microscope",
"miniaturized",
"optics",
"photography"
] | Ever since the invention of the microscope, humanity has gained access to the world of the incredibly small. Scientists discovered that creatures never known to exist before are alive in an uncountable number in spaces as small as the head of a pin. But the microscope unlocked some interesting forms of art as well. Not... | 10 | 6 | [
{
"comment_id": "8143121",
"author": "NerdWorld",
"timestamp": "2025-06-29T14:35:52",
"content": "Make a microphotograph on silicon.Add some acid.Boom, you just made a CPU.I’m astounded it took people so long to build a computer. We had all the stuff already in XIX century but everyone was self-abso... | 1,760,371,499.95386 | ||
https://hackaday.com/2025/06/29/turbine-blower-3d-prints-every-part-including-triple-planetary-gears/ | Turbine Blower 3D Prints Every Part, Including Triple Planetary Gears | Donald Papp | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printed",
"blower",
"planetary gears",
"turbine"
] | There was a time when print-in-place moving parts were a curiosity, but [Tomek] shows that things are now at a point where a
hand-cranked turbine blower with integrated planetary gears
can be entirely 3D printed. Some assembly is needed, but there is no added hardware beyond the printed parts. The blower is capable of ... | 18 | 8 | [
{
"comment_id": "8143102",
"author": "H Hack",
"timestamp": "2025-06-29T13:01:57",
"content": "A candidate for a pulley drive to reduce the noise.What material would suit for a hillbilly drive belt, apart from rubber and leather?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,500.037026 | ||
https://hackaday.com/2025/06/29/pictures-from-paper-reflections-and-a-single-pixel/ | Pictures From Paper Reflections And A Single Pixel | Ian Bos | [
"Arduino Hacks"
] | [
"compressed sensing",
"fourier transform",
"optics",
"single pixel camera"
] | Taking a picture with a single photoresistor is a brain-breaking idea. But go deeper and imagine taking that same picture with the same photoresistor, but without even facing the object. [Jon Bumstead] did exactly that with
compressed sensing and a projector.
Incredibly, the resulting image is from the perspective of t... | 25 | 12 | [
{
"comment_id": "8143076",
"author": "Ronnie",
"timestamp": "2025-06-29T11:04:36",
"content": "Ooh, this is exacty what I wanted, except I want this with sound. this could be an imaging sonar…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8143079",
... | 1,760,371,500.138968 | ||
https://hackaday.com/2025/06/29/building-a-piezo-noise-box/ | Building A Piezo Noise Box | Lewin Day | [
"Musical Hacks"
] | [
"noise box",
"piezo"
] | The humble piezo element is often used as little more than a buzzer in many projects. However, you can do more with them,
as [Something Physical] demonstrates with their nifty piezo noise box.
Check out the video (and audio) below.
The construction is simple enough, attractive in its own way, with a rugged junk-assembl... | 3 | 3 | [
{
"comment_id": "8143065",
"author": "Paul G",
"timestamp": "2025-06-29T09:52:52",
"content": "Imagine you left it on overnight and you had a cat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8143077",
"author": "Bug Ploinker, dit dit",
"timestamp": ... | 1,760,371,500.25643 | ||
https://hackaday.com/2025/06/28/a-wood-chipper-from-first-principles/ | A Wood Chipper From First Principles | Bryan Cockfield | [
"Tool Hacks"
] | [
"chipper",
"motor",
"screw",
"tools",
"welding",
"wood",
"wood chipper"
] | For whatever reason, certain pieces of technology can have a difficult time interacting with the physical world. Anyone who has ever used a printer or copier can attest to this, as can anyone whose robot vacuum failed to detect certain types of non-vacuumable waste in their path, making a simple problem much worse. Far... | 9 | 6 | [
{
"comment_id": "8142901",
"author": "Mr Nobody",
"timestamp": "2025-06-28T08:47:29",
"content": "Nice build video. Bit worried about the holes in his clothing and where blobs of hot welding metal might end up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "81... | 1,760,371,500.301964 | ||
https://hackaday.com/2025/06/27/building-a-3d-printed-rc-dump-truck/ | Building A 3D-Printed RC Dump Truck | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"dump truck",
"truck"
] | Whatever your day job, many of us would love to jump behind the controls of a dump truck for a lark. In the real world, that takes training and expertise and the opportunity is denied to many of us. However, you can live out those dreams on your desk
with this 3D-printed build from [ProfessorBoots.]
The build exists as... | 1 | 1 | [
{
"comment_id": "8142950",
"author": "Gravis",
"timestamp": "2025-06-28T17:12:29",
"content": "more like “RC mess maker” ;)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,500.415999 | ||
https://hackaday.com/2025/06/27/all-the-stars-all-the-time/ | All The Stars, All The Time | Bryan Cockfield | [
"Science"
] | [
"astronomy",
"data",
"observatory",
"sky survey",
"telescope",
"wide angle"
] | Some of the largest objects in the night sky to view through a telescope are galaxies and supernova remnants, often many times larger in size than the moon but generally much less bright. Even so, they take up a mere fraction of the night sky, with even the largest planets in our solar system only taking up a few arcse... | 5 | 4 | [
{
"comment_id": "8142921",
"author": "paulvdh",
"timestamp": "2025-06-28T12:08:47",
"content": "I was a bit confused that hackaday wrote 30s for an image, while the article at science.org mentions 3s.The website of the Vera C Rubin observatory itself has more details about the camera:https://rubino... | 1,760,371,500.573887 | ||
https://hackaday.com/2025/06/27/geekdeck-is-a-steamdeck-for-your-living-room/ | GEEKDeck Is A SteamDeck For Your Living Room | Tyler August | [
"computer hacks"
] | [
"minipc",
"steam deck",
"SteamOS"
] | You know what the worst thing about the Steam Deck is? Being able to play your games on the go. Wouldn’t it be better if it was a screenless brick that lived under your TV? Well, maybe not, but at least one person thought so, because [Interfacing Linux] has
created the GeekDeck, a Steam OS console of sorts
in this vide... | 19 | 6 | [
{
"comment_id": "8142849",
"author": "CampGareth",
"timestamp": "2025-06-28T00:45:05",
"content": "I installed the official SteamOS image on an AMD 7840HS mini PC and it works well with the exception of needing to switch audio output device each time it boots and the WiFi sometimes being flaky. I’m ... | 1,760,371,500.627137 | ||
https://hackaday.com/2025/06/27/standing-desk-uses-pneumatics-to-do-the-job/ | Standing Desk Uses Pneumatics To Do The Job | Lewin Day | [
"Misc Hacks"
] | [
"desk",
"pneumatic",
"Pneumatics",
"standing desk"
] | Most standing desks on the market use electric motors or hand cranks to raise and lower the deck. However, [Matthias Wandel] found a Kloud standing desk that used an altogether different set up. He set about figuring out how it worked in the old-fashioned way—
by pulling it apart.
The Kloud desk relies on pneumatics ra... | 6 | 3 | [
{
"comment_id": "8142783",
"author": "IIVQ",
"timestamp": "2025-06-27T20:09:48",
"content": "What I love most about this is that there are manufacturers willing to send their product to someone who they (hopefully) know will openly criticize the negative points and will destroy the product to show t... | 1,760,371,500.670951 | ||
https://hackaday.com/2025/06/27/can-digital-poison-corrupt-the-algorithm/ | Can Digital Poison Corrupt The Algorithm? | Lewin Day | [
"Raspberry Pi"
] | [
"algorithm",
"Social Media",
"youtube"
] | These days, so much of what we see online is delivered by social media algorithms. The operations of these algorithms are opaque to us; commentators forever speculate as to whether they just show us what they think we want to see, or whether they try to guide our thinking and habits in a given direction.
The Digital Po... | 24 | 14 | [
{
"comment_id": "8142762",
"author": "Ken C",
"timestamp": "2025-06-27T18:50:21",
"content": "In practice Google will soon ask you to click ReCaptcha “I’m a human” checkbox. After some more time it will do ReCaptcha again, but this time they’re asking you to select all bicycles. Finally it will give... | 1,760,371,500.733744 | ||
https://hackaday.com/2025/06/27/hackaday-podcast-episode-326-a-diy-pockel-cell-funny-materials-to-3d-print-with-and-pwning-a-nissan-leaf/ | Hackaday Podcast Episode 326: A DIY Pockels Cell, Funny Materials To 3D Print With, And Pwning A Nissan Leaf | Jenny List | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Time for another European flavoured Hackaday Podcast this week, as Elliot Williams is joined by Jenny List, two writers sweltering in the humidity of a Central European summer. Both of our fans and air conditioners made enough noise to be picked up on the microphone when they were turned on, so we’re suffering for your... | 3 | 2 | [
{
"comment_id": "8142739",
"author": "Paul",
"timestamp": "2025-06-27T16:53:30",
"content": "The singular Herr Pockels name has an ‘s’ at the end.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8142789",
"author": "Elliot Williams",
"timestam... | 1,760,371,500.775841 | ||
https://hackaday.com/2025/06/28/open-source-knob-packed-with-precision/ | Open-Source Knob Packed With Precision | Matt Varian | [
"Peripherals Hacks"
] | [
"AS5600",
"magnetic encoder",
"open source",
"rp2040"
] | The world of custom mechanical keyboards is vibrant, with new designs emerging weekly. However, keyboards are just one way we interact with computers. Ploopy, an open-source hardware company, focuses on innovative user interface devices. Recently, [Colin] from Ploopy introduced their latest creation: the
Ploopy Knob
, ... | 63 | 11 | [
{
"comment_id": "8143042",
"author": "Paul McAdams",
"timestamp": "2025-06-29T07:01:30",
"content": "I love the idea, but I’m interested in what everyone’s use cases are… plus where’s the love for kmk?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8143896",... | 1,760,371,500.890325 | ||
https://hackaday.com/2025/06/28/reading-the-chip-in-your-passport/ | Reading The Chip In Your Passport | Jenny List | [
"Security Hacks"
] | [
"biometric",
"NFC",
"passport"
] | For over a decade, most passports have contained an NFC chip that holds a set of electronically readable data about the document and its holder. This has resulted in a much quicker passage through some borders as automatic barriers can replace human officials, but at the same time, it adds an opaque layer to the proces... | 37 | 11 | [
{
"comment_id": "8143027",
"author": "Paul Campbell",
"timestamp": "2025-06-29T03:48:13",
"content": "One would guess that the unique key on the passport has to be signed by a private key owned by the country issuing the passport and EITHER each country shares the corresponding public key with every... | 1,760,371,500.969113 | ||
https://hackaday.com/2025/06/28/ancient-soundblaster-cards-just-got-a-driver-update/ | Ancient SoundBlaster Cards Just Got A Driver Update | Lewin Day | [
"Linux Hacks"
] | [
"AWE32",
"Creative",
"linux",
"SoundBlaster"
] | Old hardware tends to get less support as the years go by, from both manufacturers and the open-source community alike. And yet, every now and then, we hear about fresh attention for an ancient device. Consider the ancient
SoundBlaster sound card
that first hit the market 31 years ago. [Mark] noticed that a recent upda... | 11 | 7 | [
{
"comment_id": "8142998",
"author": "Darry",
"timestamp": "2025-06-28T23:26:40",
"content": "Fedora 39 on a 32-bit x86 CPU ?I thought Fedora had dropped support for 32-bit x86 hardware platforms several releases before that .",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,501.017113 | ||
https://hackaday.com/2025/06/28/making-optical-glass-from-ceran-stovetops/ | Making Optical Glass From Ceran Stovetops | Maya Posch | [
"Science"
] | [
"glass ceramics",
"telescope mirror"
] | The Ceran discs, freshly cut from the old stovetop and awaiting polishing. (Credit: Huygens Optics)
Ceran is a name brand for a type of glass ceramic that has a very low coefficient of thermal expansion (CTE). This is useful for stovetops, but it is also a highly desirable property for optical glass. The natural questi... | 2 | 2 | [
{
"comment_id": "8142989",
"author": "FEW",
"timestamp": "2025-06-28T22:05:05",
"content": "Hugyens content is always fascinating!It’s worth noting that in the video he concluded that baking to reduce the CTE further was probably a bad idea. He suspected that the bake introduced additional stresses ... | 1,760,371,501.062163 | ||
https://hackaday.com/2025/06/28/beyblades-made-ever-more-dangerous-with-3d-printing/ | BeyBlades Made Ever More Dangerous With 3D Printing | Lewin Day | [
"3d Printer hacks"
] | [
"beyblade",
"gears",
"launcher",
"spinning top"
] | If you’re unfamiliar with Beyblades, they’re a simple toy. They consist of spinning tops, which are designed to “fight” in arenas by knocking each other around. While the off-the-shelf models are deemed safe enough for children to play with, [Jon Bringus] decided to take the danger level up a few notches
with some cust... | 11 | 11 | [
{
"comment_id": "8142954",
"author": "Greg Mathews",
"timestamp": "2025-06-28T17:26:08",
"content": "Excellent project, I am surprised how clever the design is.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8142973",
"author": "bemusedHorseman",
"time... | 1,760,371,501.108824 | ||
https://hackaday.com/2025/06/28/limitations-creativity-and-challenges/ | Limitations, Creativity, And Challenges | Elliot Williams | [
"contests",
"Hackaday Columns",
"Rants"
] | [
"2025 One Hertz Contest",
"contest",
"newsletter"
] | This week, we
announced the winners for the previous Pet Hacks contest
and rang in our new contest:
The One Hertz Challenge
. So that’s got me in a contesty mood, and I thought I’d share a little bit of soap-box philosophizing and inside baseball all at once.
The trick to creating a good contest theme, at least for the... | 6 | 4 | [
{
"comment_id": "8142961",
"author": "Andrew",
"timestamp": "2025-06-28T18:21:31",
"content": "Back in the day, Elektor magazine ran a “can challenge” where you had to design a project that fitted into a standard soda can (probably 330ml, being European). Some of the published designs were extremely... | 1,760,371,501.159653 |
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