url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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https://hackaday.com/2025/05/03/3d-printed-cable-driven-mechanisms-some-strings-attached/ | 3D Printed Cable-Driven Mechanisms – Some Strings Attached | Aaron Beckendorf | [
"Robots Hacks"
] | [
"3d printed",
"cable drive",
"cable driven robot",
"compliant mechanism"
] | One of the most basic problems with robotic arms and similar systems is keeping the weight down, as more weight requires a more rigid frame and stronger actuators. Cable-driven systems are a classic solution, and a team of researchers from MIT and Zhejiang University recently shared some techniques for designing
fully ... | 10 | 4 | [
{
"comment_id": "8124201",
"author": "Cad the Mad",
"timestamp": "2025-05-04T06:17:24",
"content": "This is amazing, and I can immediately think of all sorts of applications for it.I am quite confused by four mechanisms, though. Specifically, I am confused that the “Compress Primitive” rotates when ... | 1,760,371,556.526043 | ||
https://hackaday.com/2025/05/03/testing-a-cheap-bench-power-supply-sold-on-amazon/ | Testing A Cheap Bench Power Supply Sold On Amazon | Maya Posch | [
"Reviews",
"Teardown"
] | [
"bench power supply"
] | We’ve all seen those cheap bench power supply units (PSUs) for sale online, promising specifications that would cost at least a hundred dollars or more if it were a name brand model. Just how much of a compromise are these (usually rebranded) PSUs, and should you trust them with your electronics? Recently [Denki Otaku]... | 20 | 9 | [
{
"comment_id": "8124176",
"author": "Jeff",
"timestamp": "2025-05-04T02:38:20",
"content": "I have a similar one 30v 10A . Its ok for simple stuff and is better or just as good as most mid priced units .all in all I would not use it certify anything but but its ok for mucking about semi seriously.... | 1,760,371,556.777318 | ||
https://hackaday.com/2025/05/03/llm-ported-to-the-c64-kinda/ | LLM Ported To The C64, Kinda | Lewin Day | [
"Retrocomputing"
] | [
"c64",
"commodore 64",
"llama2",
"LLM"
] | “If there’s one thing the Commodore 64 is missing, it’s a large language model,” is a phrase nobody has uttered on this Earth. Yet, you could run one, if you so desired,
thanks to [ytm] and the Llama2.c64 project!
[ytm] did the hard work of porting the Llama 2 model to the most popular computer ever made. Of course, as... | 8 | 4 | [
{
"comment_id": "8124150",
"author": "Ostracus",
"timestamp": "2025-05-03T23:31:26",
"content": "LLMs as the FPGAs of our time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8124191",
"author": "M",
"timestamp": "2025-05-04T04:41:27",
... | 1,760,371,556.823484 | ||
https://hackaday.com/2025/05/03/tablet-suspension-system-avoids-fatigue-at-bedtime/ | Tablet Suspension System Avoids Fatigue At Bedtime | Seth Mabbott | [
"home hacks",
"Tablet Hacks"
] | [
"3d printed",
"ESP32",
"stepper motor",
"suspension"
] | You know how it is. You’re all cozy in bed but not quite ready to doze off. You’re reading Hackaday (Hackaday is your go-to bedtime reading material, right?) or you’re binge-watching your latest reality TV obsession on your tablet. You feel the tablet growing heavier and heavier as your arms fatigue from holding it inc... | 12 | 9 | [
{
"comment_id": "8124118",
"author": "jbx",
"timestamp": "2025-05-03T20:38:24",
"content": "No screen in the bedroom !Only books and condoms…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8124119",
"author": "John Schuch",
"timestamp": "2025... | 1,760,371,556.973626 | ||
https://hackaday.com/2025/05/03/hacking-different-sized-nozzles-for-anycubic-printers/ | Hacking Different Sized Nozzles For AnyCubic Printers | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"Anycubic",
"Nozzle"
] | If you’ve got a popular 3D printer that has been on the market a good long while, you can probably get any old nozzles you want right off the shelf. If you happen to have an AnyCubic printer, though, you might find it a bit tougher. [Startup Chuck] wanted some specific sized nozzles for his rig,
so set about whipping u... | 11 | 5 | [
{
"comment_id": "8124101",
"author": "Hansmann",
"timestamp": "2025-05-03T18:13:23",
"content": "Don’t get the point?The Anycubic Kobra 3 I have bought from Anycubic directly has regular off-the-shelf nozzles. Same ones I have already used 10 years ago for 3D printing. You can get a sorted 6 piece s... | 1,760,371,556.620102 | ||
https://hackaday.com/2025/05/05/water-drops-serve-as-canvas-for-microchemistry-art/ | Water Drops Serve As Canvas For Microchemistry Art | Navarre Bartz | [
"Art",
"chemistry hacks",
"Science"
] | [
"art",
"Chemistry",
"microchemistry",
"micromolecular",
"science"
] | If you’re like us and you’ve been wondering where those viral videos of single water drop chemical reactions are coming from, we may have an answer. [
yu3375349136
], a scientist from
Guangdong,
has been producing some high quality microchemistry videos
that are worth a watch
.
While some polyglots out there won’t be p... | 3 | 2 | [
{
"comment_id": "8124864",
"author": "Johno",
"timestamp": "2025-05-05T23:59:18",
"content": "I spent some time wondering if they were just very good renderings – very pretty. I’d love to run some of these reactions, but it always feels wrong to order 100g+ of a material just to mix a few grains… Fe... | 1,760,371,556.869223 | ||
https://hackaday.com/2025/05/05/3d-printed-downspout-makes-life-just-a-little-nicer/ | 3D Printed Downspout Makes Life Just A Little Nicer | Tyler August | [
"home hacks"
] | [
"3d print",
"abs",
"drainage",
"rainwater"
] | Sometimes, a hack solves a big problem. Sometimes, it’s just to deal with something that kind of bugs you. This hack from [Dillan Stock] is in the latter category, replacing an ugly, redundant downspout with an
elegant 3D printed pipe
.
As [Dillan] so introspectively notes, this was not something that absolutely requir... | 12 | 7 | [
{
"comment_id": "8124858",
"author": "Danubistheconcise",
"timestamp": "2025-05-05T22:53:42",
"content": "I would think something more UV resistant like ASA would be wiser for this kind of application. Doesn’t ABS get brittle with long term UV exposure?",
"parent_id": null,
"depth": 1,
"... | 1,760,371,556.573026 | ||
https://hackaday.com/2025/05/05/round-displays-make-neat-vu-meters/ | Round Displays Make Neat VU Meters | Lewin Day | [
"Parts"
] | [
"audio",
"VU meter"
] | You can still get moving-needle meters off the shelf if you desire that old school look in one of you projects. However, if you want a more flexible and modern solution, you could use round displays to simulate the same thing,
as [mircemk] demonstrates.
At the heart of the build is an ESP32 microcontroller, chosen for ... | 11 | 7 | [
{
"comment_id": "8124801",
"author": "Dude",
"timestamp": "2025-05-05T19:12:52",
"content": "As far as VU meters go, that choppy refresh rate makes it impossible to tell whether it’s actually tracking the level with any accuracy.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,556.720779 | ||
https://hackaday.com/2025/05/05/keebin-with-kristina-the-one-with-the-bobblehead/ | Keebin’ With Kristina: The One With The Bobblehead | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"bobblehead",
"Christopher Latham Sholes",
"little tikes keyboard",
"monoblock split",
"QWERTYFEST MKE",
"sandwich",
"Victor index typewriter"
] | No, see, it’s what’s inside that counts. Believe it or not,
[nobutternoparm] retrofitted this innocent, adorable little tikes® so-called “Kidboard” rubber-dome keyboard into a mechanical marvel
. Yeah! No, it wasn’t exactly pure, unadulterated fun, nor was it easy to do. But then again nothing worth doing ever is.
Imag... | 5 | 3 | [
{
"comment_id": "8124775",
"author": "Rick",
"timestamp": "2025-05-05T18:49:35",
"content": "Moar liek chicken head amrite? XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8124985",
"author": "craig",
"timestamp": "2025-05-06T13:00:10",
"content"... | 1,760,371,556.670955 | ||
https://hackaday.com/2025/05/05/creative-pcb-business-cards-are-sure-to-make-an-impression/ | Creative PCB Business Cards Are Sure To Make An Impression | Matt Varian | [
"PCB Hacks"
] | [
"business card",
"pcb business card"
] | Business cards are a simple way to share contact information, but a memorable design can make them stand out. [Jeremy Cook] has been experimenting with adding artistic finishes to PCBs, and has recently
applied what he’s learned to make some unique business cards
. His write-up consolidates some great resources to get ... | 8 | 4 | [
{
"comment_id": "8124702",
"author": "Jeremy Cook",
"timestamp": "2025-05-05T16:14:54",
"content": "Thanks so much for the awesome writeup Matt!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8124740",
"author": "Nick w",
"timestamp": "2025-05-05T17:03... | 1,760,371,556.920711 | ||
https://hackaday.com/2025/05/05/what-happened-to-www/ | What Happened To WWW.? | Lewin Day | [
"Featured",
"History",
"Interest",
"Misc Hacks",
"Original Art",
"Slider"
] | [
"Tim Berners-Lee",
"web",
"website",
"www"
] | Once upon a time, typing “www” at the start of a URL was as automatic as breathing. And yet, these days, most of us go straight to “hackaday.com” without bothering with those three letters that once defined the internet.
Have you ever wondered why those letters were there in the first place, and when exactly they becam... | 59 | 22 | [
{
"comment_id": "8124663",
"author": "Cody",
"timestamp": "2025-05-05T14:02:07",
"content": "Ummm, most of us go to hackaday.com/blog since you moved it and we don’t like it…Ok, well, I do anyhow…. :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8124672",
... | 1,760,371,557.339547 | ||
https://hackaday.com/2025/05/05/rayhunter-sniffs-out-stingrays-for-30/ | Rayhunter Sniffs Out Stingrays For $30 | Lewin Day | [
"Cellphone Hacks",
"Security Hacks",
"Software Hacks"
] | [
"cellular",
"IMSI",
"imsi catcher",
"phone",
"rayhunter",
"stingray"
] | These days, if you’re walking around with a cellphone, you’ve basically fitted an always-on tracking device to your person. That’s even more the case if there happens to be an eavesdropping device in your vicinity. To combat this,
the Electronic Frontier Foundation has created Rayhunter as a warning device.
Rayhunter i... | 37 | 10 | [
{
"comment_id": "8124622",
"author": "Clancydaenlightened",
"timestamp": "2025-05-05T11:46:48",
"content": "This probably doesn’t work for cell repeaters on 4g or 5gEach time the change the G they make a new “stingray”So this likely will not work on a lot of 4g and 5g networks at least in the USASi... | 1,760,371,557.239421 | ||
https://hackaday.com/2025/05/05/the-convoluted-way-intels-386-implemented-its-registers/ | The Convoluted Way Intel’s 386 Implemented Its Registers | Maya Posch | [
"classic hacks",
"Reverse Engineering"
] | [
"80386",
"ken shirriff",
"x86"
] | The fact that modern-day x86 processors still pretty much support the same operating systems and software as their ancestors did is quite a feat. Much of this effort had already been accomplished with the release of the 80386 (later 386) CPU in 1985, which was not only the first 32-bit x86 CPU, but was also backwards c... | 4 | 1 | [
{
"comment_id": "8124677",
"author": "william payne",
"timestamp": "2025-05-05T14:44:19",
"content": "does the AMD Ryzen 9 9950X3D have the same isa as the pentium n6000?AI Overview.No, the AMD Ryzen 9 9950X3D and the Intel Pentium Silver N6000do not have the same Instruction Set Architecture (ISA).... | 1,760,371,557.491014 | ||
https://hackaday.com/2025/05/04/lancing-college-shares-critical-design-review-for-uk-cansat-entry/ | Lancing College Shares Critical Design Review For UK CanSat Entry | John Elliot V | [
"hardware",
"Space"
] | [
"Arduino Nano Every",
"atmospheric conditions",
"BE880 GPS module",
"blender",
"BMP388 sensor",
"ChatGPT",
"gantt chart",
"RFM69HCW module",
"telemetry data",
"temperature",
"UK CanSat Project"
] | A group of students from Lancing College in the UK have sent in their
Critical Design Review
(CDR) for their entry in the UK CanSat project.
Per
the competition guidelines
the
UK CanSat project
challenges students aged 14 to 19 years of age to build a satellite which can relay telemetry data about atmospheric condition... | 2 | 2 | [
{
"comment_id": "8124678",
"author": "Lacen",
"timestamp": "2025-05-05T14:45:24",
"content": "As a Broadwater Manor and a CanSat alumnus I was very surprised to see Lancing College pop up on the Hackaday front page! Congratulations to the team!",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,371,557.377713 | ||
https://hackaday.com/2025/05/04/train-with-morse-master/ | Train With Morse Master | Lewin Day | [
"classic hacks",
"Microcontrollers"
] | [
"morse code",
"morse trainer"
] | Morse code can be daunting to learn when you’re new to the game, particularly if you need it to pass your desired radio license. However, these days, there are a great many tools to aid in the learning process. A good example is the
Morse Master from [Arnov Sharma]
.
The Morse Master is a translator for Morse code, whi... | 15 | 7 | [
{
"comment_id": "8124530",
"author": "AZdave",
"timestamp": "2025-05-05T02:17:21",
"content": "Learning Morse Code visually is a terrible, terrible idea. I can’t believe that anyone would ever take this seriously as a tutor. Audible and visual reception are two completely different processes. Ho... | 1,760,371,557.540792 | ||
https://hackaday.com/2025/05/04/hackaday-links-may-4-2025/ | Hackaday Links: May 4, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"assay",
"demo hell",
"ESA",
"gold",
"hackaday links",
"humanoid",
"Kosmos 482",
"reverse ATM",
"robot",
"solar",
"soviet",
"space law",
"sun",
"titanium",
"venus"
] | By now, you’ve probably heard about
Kosmos 482
, a Soviet probe destined for Venus in 1972 that fell a bit short of the mark and stayed in Earth orbit for the last 53 years. Soon enough, though, the lander will make its fiery return; exactly where and when remain a mystery, but it should be sometime in the coming week.... | 14 | 6 | [
{
"comment_id": "8124507",
"author": "Jon H",
"timestamp": "2025-05-05T00:13:30",
"content": "Kosmom 482 looks kind of like a sperm",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8124511",
"author": "Hirudinea",
"timestamp": "2025-05-05T00:23... | 1,760,371,557.596451 | ||
https://hackaday.com/2025/05/04/all-band-radio-records-signals-plays-mp3s/ | All-Band Radio Records Signals, Plays MP3s | Tyler August | [
"Radio Hacks"
] | [
"AM/FM",
"audio",
"dsPic",
"longwave",
"medium-wave",
"mp3",
"radio",
"shortwave"
] | In these days of everything-streaming, it’s great to see an old school radio build. It’s even better when it’s not old-school at all, but packed full of modern ICs and driven by a micro-controller like the dsPIC in [Minh Danh]’s dsMP3 build. Best of all is when we get enough details that the author needs two blog posts... | 10 | 5 | [
{
"comment_id": "8124556",
"author": "Cad the Mad",
"timestamp": "2025-05-05T05:54:28",
"content": "Considering the dsPIC family hasn’t been properly supported in over 7 years, I’d say it is pretty old school.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8... | 1,760,371,557.430258 | ||
https://hackaday.com/2025/05/04/pcb-renewal-aims-to-make-old-boards-useful-again/ | PCB Renewal Aims To Make Old Boards Useful Again | Lewin Day | [
"PCB Hacks"
] | [
"KiCAD",
"reuse"
] | We’ve all made a few bad PCBs in our time. Sometimes they’re recoverable, and a few bodge wires will make ’em good. Sometimes they’re too far gone and we have to start again. But what if you could take an existing PCB, make a few mods, and turn it into the one you really want? That’s what “PCB Renewal” aims to do, as p... | 13 | 7 | [
{
"comment_id": "8124410",
"author": "suhwan hong",
"timestamp": "2025-05-04T17:47:16",
"content": "Good job to Zeyu & Advait, cool seeing our lab being featured on one of my favorite websites :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8124413",
"au... | 1,760,371,557.746201 | ||
https://hackaday.com/2025/05/04/electric-catamaran-sails-high-seas-of-inland-canada/ | Electric Catamaran Sails High Seas Of Inland Canada | Bryan Cockfield | [
"green hacks",
"Transportation Hacks"
] | [
"boat",
"catamaran",
"electric",
"plans",
"solar",
"woodworking"
] | There are a number of plans for DIY boats available online, so [Phil] went in search of one for a custom catamaran to travel the inland waterways of Canada. But none of the plans he found had options for electric motors so he modified one popular plan to include not only that, but plenty of other unique features as wel... | 4 | 4 | [
{
"comment_id": "8124436",
"author": "mip",
"timestamp": "2025-05-04T18:52:35",
"content": "At Boote-Forum there are also project logs of people having built a B Kohler design.One person sadly passed away during his built, but there are two projects which are thriving.Seehttps://www.boote-forum.de/... | 1,760,371,557.634851 | ||
https://hackaday.com/2025/05/03/knowing-whats-possible/ | Knowing What’s Possible | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"creativity",
"examples",
"hackaday",
"ideas",
"possible"
] | Dan Maloney and I were talking on the podcast about his memories of the old electronics magazines, and how they had some gonzo projects in them. One,
a DIY picture phone from the 1980s
, was a monster build of a hundred ICs that also required you to own a TV camera. At that time, the idea of being able to see someone w... | 13 | 8 | [
{
"comment_id": "8124047",
"author": "lightislight",
"timestamp": "2025-05-03T14:32:16",
"content": "I really like these “Perspectives” style articles. I hope the HaD team keeps making them. They are either encouraging, and thought or discussion provoking.A big part of what we do as hackers is see w... | 1,760,371,557.69017 | ||
https://hackaday.com/2025/05/03/getting-started-with-attiny-configurable-custom-logic-ccl/ | Getting Started With ATtiny Configurable Custom Logic (CCL) | John Elliot V | [
"ATtiny Hacks",
"hardware"
] | [
"attiny",
"ccl",
"CIP",
"Configurable Custom Logic",
"core independent peripherals",
"tinyAVR"
] | In the Microchip tinyAVR {0,1,2}-series we see Configurable Custom Logic (CCL) among the Core Independent Peripherals (CIP) available on the chip. In this YouTube video [Grug Huhler] shows us
how to make your own digital logic in hardware using the ATtiny CCL peripheral
.
If you have spare pins on your tinyAVR micro yo... | 20 | 3 | [
{
"comment_id": "8124019",
"author": "Tim Williams",
"timestamp": "2025-05-03T13:08:56",
"content": "I haven’t done many projects with it yet, but it seems to do what it says on the box. Some highlights:Peak current mode SMPS (make a flip-flop, combine with high speed comparator, DAC for peak curre... | 1,760,371,557.866766 | ||
https://hackaday.com/2025/05/03/ratcheting-mechanism-gives-tendons-a-tug/ | Ratcheting Mechanism Gives Tendons A Tug | Ian Bos | [
"Medical Hacks"
] | [
"arduino",
"biomechanics",
"biomedical engineering",
"chicken",
"Cutting and Machining"
] | A common ratchet from your garage may work wonders for tightening hard to reach bolts on whatever everyday projects around the house. However, those over at [Chronova Engineering] had a particularly unusual project where a special ratchet mechanism needed to be developed. And developed it was, an absolutely beautiful m... | 3 | 1 | [
{
"comment_id": "8123956",
"author": "Naxes",
"timestamp": "2025-05-03T08:16:27",
"content": "I’m starting to think my YouTube recommendations algorithm moonlights for Hackaday.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123985",
"author": "Anon... | 1,760,371,557.914086 | ||
https://hackaday.com/2025/05/02/a-neat-e-paper-digit-clock-or-four/ | A Neat E-Paper Digit Clock (or Four) | Lewin Day | [
"clock hacks"
] | [
"clock",
"e-paper",
"sprite_tm"
] | [sprite_tm] had a problem. He needed a clock for the living room, but didn’t want to just buy something off the shelf. In his own words, “It’s an opportunity for a cool project that I’d rather not let go to waste.”
Thus started a project to build a fun e-paper digit clock!
There were several goals for the build from th... | 3 | 3 | [
{
"comment_id": "8123947",
"author": "Zamorano",
"timestamp": "2025-05-03T07:25:36",
"content": "Way cool! One day these displays will be borderless and maybe even have the ability to be wrinkled a bit to make them indistinguishable from real paper.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,558.159688 | ||
https://hackaday.com/2025/05/02/a-gentle-introduction-to-impedance-matching/ | A Gentle Introduction To Impedance Matching | Aaron Beckendorf | [
"Radio Hacks"
] | [
"impedance",
"impedance matching",
"smith chart"
] | Impedance matching is one of the perpetual confusions for new electronics students, and for good reason: the idea that increasing the impedance of a circuit can lead to more power transmission is frighteningly unintuitive at first glance. Even once you understand this, designing a circuit with impedance matching is a t... | 10 | 6 | [
{
"comment_id": "8124078",
"author": "BrendaEM",
"timestamp": "2025-05-03T16:17:15",
"content": "I will never feel confident at this, and I seem to have no choice but watch the video. I need some Liquid Courage, first, or something from around the house. I should throw some money at the problem, and... | 1,760,371,558.119859 | ||
https://hackaday.com/2025/05/02/prusa-mini-nozzle-cam-on-the-cheap/ | Prusa Mini Nozzle Cam On The Cheap | Heidi Ulrich | [
"3d Printer hacks",
"digital cameras hacks",
"Lifehacks",
"Tool Hacks"
] | [
"camera",
"endoscope",
"endoscope cam",
"Nozzle",
"nozzle camera",
"PETG",
"prusa",
"Prusa Mini",
"usb"
] | Let me throw in a curveball—watching your 3D print fail in real-time is
so much
more satisfying when you have a crisp, up-close view of the nozzle drama. That’s exactly what [Mellow Labs] delivers in
his latest DIY video
: transforming a generic HD endoscope camera into a purpose-built nozzle cam for the Prusa Mini. Th... | 2 | 2 | [
{
"comment_id": "8123915",
"author": "jpa",
"timestamp": "2025-05-03T04:51:46",
"content": "USB endoscope cameras are also nice for CNC positioning. Very quick and easy way to set zero with about 0.1 mm accuracy – enough for a lot of purposes.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,558.07108 | ||
https://hackaday.com/2025/05/02/smart-speaker-gets-brain-surgery-line-out/ | Smart Speaker Gets Brain Surgery, Line-Out | Tyler August | [
"digital audio hacks",
"Musical Hacks"
] | [
"3.5mm audio",
"audio dac",
"smart speaker"
] | Sometimes you find a commercial product that is almost, but not exactly perfect for your needs. Your choices become: hack together a DIY replacement, or hack the commercial product to do what you need. [Daniel] chose door number two when he realized his Yamaha MusicCast smart speaker was perfect for his particular use ... | 4 | 2 | [
{
"comment_id": "8123818",
"author": "ono",
"timestamp": "2025-05-02T20:59:13",
"content": "an adafruit DAC ? what Fruit is it ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123884",
"author": "Tyler August",
"timestamp": "2025-05-03T00:04... | 1,760,371,558.265942 | ||
https://hackaday.com/2025/05/02/3d-printed-spirograph-makes-art-out-of-walnut/ | 3D Printed Spirograph Makes Art Out Of Walnut | Tyler August | [
"Tool Hacks"
] | [
"router",
"spirograph",
"woodworking"
] | Who else remembers Spirograph? When making elaborate spiral doodles, did you ever wish for a much, much bigger version? [Fortress Fine Woodworks] had that thought, and
“slapped a router onto it” to create a gorgeous walnut table.
This printed sanding block was a nice touch.
The video covers not only 3D printing the gia... | 9 | 6 | [
{
"comment_id": "8123777",
"author": "Ostracus",
"timestamp": "2025-05-02T19:11:44",
"content": "They were fun with those multicolor pens.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8123779",
"author": "macegr",
"timestamp": "2025-05-02T19:16:48",
... | 1,760,371,558.313341 | ||
https://hackaday.com/2025/05/02/supercon-2024-turning-talk-into-action/ | Supercon 2024: Turning Talk Into Action | Lewin Day | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2024 Hackaday Supercon",
"cons",
"talk"
] | Most of us have some dream project or three that we’d love to make a reality. We bring it up all the time with friends, muse on it at work, and research it during our downtime. But that’s just talk—and it doesn’t actually get the project done!
At the 2024 Hackaday Supercon, Sarah Vollmer made it clear—her presentation ... | 0 | 0 | [] | 1,760,371,558.443535 | ||
https://hackaday.com/2025/05/02/hackaday-podcast-episode-319-experimental-archaeology-demoscene-oscilloscope-music-and-electronic-memories/ | Hackaday Podcast Episode 319: Experimental Archaeology, Demoscene Oscilloscope Music, And Electronic Memories | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | It’s the podcast so nice we recorded it twice! Despite some technical difficulties (note to self: press the record button significantly
before
recording the outro), Elliot and Dan were able to soldier through our rundown of the week’s top hacks.
We kicked things off with a roundup of virtual keyboards for the alternate... | 4 | 1 | [
{
"comment_id": "8124109",
"author": "Greg",
"timestamp": "2025-05-03T19:18:28",
"content": "It would be cool if you could add the link to the show notes in the podcast description, so that we could go directly from our podcast app to the show notes.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,558.219018 | ||
https://hackaday.com/2025/05/02/preparing-for-the-next-pandemic/ | Preparing For The Next Pandemic | Navarre Bartz | [
"Medical Hacks"
] | [
"bird flu",
"contact tracing",
"Disease",
"epidemiology",
"flu",
"infectious diseases",
"medicine",
"pandemic"
] | While the COVID-19 pandemic wasn’t an experience anyone wants to repeat, infections disease experts like [Dr. Pardis Sabeti] are looking at what we can do
to prepare for the next one
.
While the next pandemic could potentially be anything, there are a few high profile candidates, and bird flu (H5N1) is at the top of th... | 69 | 21 | [
{
"comment_id": "8123678",
"author": "Sloppy Moses",
"timestamp": "2025-05-02T16:17:09",
"content": "My, aren’t we edgy. Go back to 4chan.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8123730",
"author": "BrightCandle",
"timestamp": "2025-05-02T17:2... | 1,760,371,558.547272 | ||
https://hackaday.com/2025/05/02/this-week-in-security-airborne-evilnotify-and-revoked-rdp/ | This Week In Security: AirBorne, EvilNotify, And Revoked RDP | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"AirBorne",
"CVEs",
"rdp",
"supply chain attack",
"This Week in Security"
] | This week, Oligo has announced
the AirBorne series of vulnerabilities in the Apple Airdrop protocol
and SDK. This is a particularly serious set of issues, and notably affects MacOS desktops and laptops, the iOS and iPadOS mobile devices, and many IoT devices that use the Apple SDK to provide AirPlay support. It’s a gro... | 2 | 2 | [
{
"comment_id": "8123669",
"author": "x0rpunk",
"timestamp": "2025-05-02T16:05:16",
"content": "Most exploits are JIT type confusion and UAF. Which means all those hardware assisted page policies(NX), offset randomizing in userland and kernel(ASLR and KLSR), and control-flow enforcement technologies... | 1,760,371,558.58899 | ||
https://hackaday.com/2025/05/02/is-this-the-truck-weve-been-waiting-for/ | Is This The Truck We’ve Been Waiting For? | Tyler August | [
"car hacks"
] | [
"automotive industry",
"electric cars",
"electric truck"
] | Imagine a bare-bones electric pickup: it’s the size of an old Hilux, it seats two, and the bed fits a full sheet of plywood. Too good to be true? Wait until you hear
that the Slate Pickup
is being designed for DIY repairability and modification, and will sell for only $20,000 USD, after American federal tax incentives.... | 172 | 49 | [
{
"comment_id": "8123546",
"author": "Benedikt Reinartz",
"timestamp": "2025-05-02T11:34:58",
"content": "I wish all the best for this car to reach the market. Reminds me of the Sono Sion though. I peronally lost a few hundred euro with this due to preorder but I’m ok with that. I was aware of the r... | 1,760,371,558.850562 | ||
https://hackaday.com/2025/05/02/pinoutleaf-simplifying-pinout-references/ | Pinoutleaf: Simplifying Pinout References | Matt Varian | [
"PCB Hacks"
] | [
"documentation",
"pcb",
"pinouts"
] | We all appreciate clear easy-to-read reference materials. In that pursuit [Andreas] over at Splitbrain sent in his latest project,
Pinoutleaf
. This useful web app simplifies the creation of clean, professional board pinout reference images.
The app uses YAML or JSON configuration files to define the board, including p... | 10 | 7 | [
{
"comment_id": "8123500",
"author": "Nikolai",
"timestamp": "2025-05-02T08:05:36",
"content": "I had an idea a while ago. Make something like “Enlarged PCBs” Basically same PCBs, but enlarged for “aging electronic hobbyists”.And should be not just enlarged. Butt have some kind of standard.",
"p... | 1,760,371,558.63228 | ||
https://hackaday.com/2025/05/01/single-board-z80-computer-draws-inspiration-from-picasso/ | Single-Board Z80 Computer Draws Inspiration From Picasso | Lewin Day | [
"News"
] | [
"picasso",
"RC2014",
"z80"
] | Picasso and the Z80 microprocessor are not two things we often think about at the same time. One is a renowned artist born in the 19th century, the other, a popular CPU that helped launch the microcomputer movement. And yet, the latter has come to inspire a computer based on the former.
Meet the RC2014 Mini II Picasso!... | 19 | 13 | [
{
"comment_id": "8123474",
"author": "PodeCoet",
"timestamp": "2025-05-02T05:12:34",
"content": "The layout of the PCB, misaligned component outlines and warped text is giving me seriously uncanny AI vibes, but it seems like the real deal. Well done?",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,558.906067 | ||
https://hackaday.com/2025/05/01/blurry-image-placeholders-generated-with-minimal-css/ | Blurry Image Placeholders, Generated With Minimal CSS | Donald Papp | [
"Software Hacks"
] | [
"css",
"image render",
"lqip"
] | Low-quality image placeholders (LQIPs) have a solid place in web page design. There are many different solutions but the main gotcha is that generating them tends to lean on things like JavaScript, requires lengthy chunks of not-particularly-human-readable code, or other tradeoffs. [Lean] came up with
an elegant, minim... | 9 | 3 | [
{
"comment_id": "8123483",
"author": "jpa",
"timestamp": "2025-05-02T06:16:21",
"content": "I bet the reason for the mystery of values getting rounded beyond 6 digits is that it is stored as 32 bit float at some point for some reason.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,371,558.951071 | ||
https://hackaday.com/2025/05/01/printable-pegboard-pc-shows-off-the-rgb/ | Printable Pegboard PC Shows Off The RGB | Tyler August | [
"computer hacks"
] | [
"3d print",
"pc"
] | Sometimes it seems odd that we would spend hundreds (or thousands) on PC components that demand oodles of airflow, and stick them in a little box, out of sight. The fine folks at Corsair apparently agree, because they’ve released files for an
open-frame pegboard PC case on Printables
.
According to the write-up on thei... | 19 | 7 | [
{
"comment_id": "8123446",
"author": "TG",
"timestamp": "2025-05-02T01:08:30",
"content": "In the 1990s I made this using nails and drywall. It did not look as nice. No RGB either",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123491",
"author": "Er... | 1,760,371,559.005135 | ||
https://hackaday.com/2025/05/01/make-your-own-telescope-right-down-to-the-glass/ | Make Your Own Telescope, Right Down To The Glass | Lewin Day | [
"Space"
] | [
"astronomy",
"mirrors",
"telescope"
] | Telescopes are great tools for observing the heavens, or even surrounding landscapes if you have the right vantage point. You don’t have to be a professional to build one though; you can make all kinds of telescopes as an amateur,
as this guide from the Springfield Telescope Makers demonstrates.
The guide is remarkably... | 14 | 7 | [
{
"comment_id": "8123411",
"author": "prfesser",
"timestamp": "2025-05-01T20:52:13",
"content": "Grinding, polishing, and figuring a telescope mirror is enormously rewarding. I did my first 8″ just over 50 years ago, and the idea that I could make an item accurate to millionths of an inch with primi... | 1,760,371,559.162118 | ||
https://hackaday.com/2025/05/01/libogc-allegations-rock-wii-homebrew-community/ | Libogc Allegations Rock Wii Homebrew Community | Tom Nardi | [
"Featured",
"Nintendo Wii Hacks",
"Original Art",
"Slider",
"Software Development"
] | [
"gamecube",
"nintendo",
"reverse engineering",
"sdk",
"wii"
] | Historically, efforts to create original games and tools, port over open source emulators, and explore a game console’s hardware and software have been generally lumped together under the banner of “homebrew.” While not the intended outcome, it’s often the case that exploring a console in this manner unlocks methods to... | 59 | 19 | [
{
"comment_id": "8123374",
"author": "Elliot Williams",
"timestamp": "2025-05-01T19:08:12",
"content": "Yeah, right? Sometimes we don’t use ’em when everyone is under their real name.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8123375",
"author": "Gre... | 1,760,371,559.109549 | ||
https://hackaday.com/2025/05/01/open-source-firmware-for-the-jye-tech-dso-150/ | Open Source Firmware For The JYE TECH DSO-150 | Lewin Day | [
"Software Hacks",
"Tool Hacks"
] | [
"dso-150",
"firmware",
"open source",
"oscilloscope"
] | The Jye Tech DSO-150 is a capable compact scope that you can purchase as a kit. If you’re really feeling the DIY ethos, you can go even further, too, and kit your scope out with the
latest open source firmware
.
The Open-DSO-150 firmware is a complete rewrite from the ground up, and packs the scope with lots of neat fe... | 6 | 5 | [
{
"comment_id": "8123321",
"author": "paulvdh",
"timestamp": "2025-05-01T17:17:40",
"content": "Looks impressive. Nice to see work is being done on this thing. (I see it’s forked from a DSO138 variant)I also bought one of these (and a DSO138 too). (I also have a Siglent SDS1104X-E)I see it already h... | 1,760,371,559.20905 | ||
https://hackaday.com/2025/05/01/researchers-create-a-brain-implant-for-near-real-time-speech-synthesis/ | Researchers Create A Brain Implant For Near-Real-Time Speech Synthesis | Lewin Day | [
"Hackaday Columns",
"Medical Hacks"
] | [
"brain",
"brain-computer interface",
"neurology",
"speech"
] | Brain-to-speech interfaces have been promising to help paralyzed individuals communicate for years. Unfortunately, many systems have had significant latency that has left them lacking somewhat in the practicality stakes.
A team of researchers across UC Berkeley and UC San Francisco
has been working on the problem and m... | 17 | 6 | [
{
"comment_id": "8123284",
"author": "wb7ond",
"timestamp": "2025-05-01T14:16:11",
"content": "NuraLink is making good headway in this technology, 3 people have been outfitted with Nuralink.https://www.foxnews.com/health/paralyzed-man-als-third-receive-neuralink-implant-can-type-brainGreat article t... | 1,760,371,559.496492 | ||
https://hackaday.com/2025/05/01/a-dual-mirror-system-for-better-cycling-safety/ | A Dual Mirror System For Better Cycling Safety | Donald Papp | [
"Transportation Hacks",
"Wearable Hacks"
] | [
"cycling",
"helmet",
"mirror",
"rear-view"
] | Rear-view mirrors are important safety tools, but [Mike Kelly] observed that cyclists (himself included) faced hurdles to using them effectively. His solution? A helmet-mounted dual-mirror system he’s calling the
Mantis Mirror
that looks eminently DIY-able to any motivated hacker who enjoys cycling.
One mirror for upri... | 54 | 11 | [
{
"comment_id": "8123252",
"author": "Bob the builder",
"timestamp": "2025-05-01T11:46:06",
"content": "I don’t wear a helmet when cycling but I was thinking about a sort of similar solution for riding a motorcycle, by having some tiny high def screen connected to a camera on the back of the helmet,... | 1,760,371,559.392978 | ||
https://hackaday.com/2025/05/01/gaze-upon-robby-the-robots-mechanical-intricacy/ | Gaze Upon Robby The Robot’s Mechanical Intricacy | Donald Papp | [
"Robots Hacks"
] | [
"prop",
"replica",
"robby the robot"
] | One might be tempted to think that re-creating a film robot from the 1950s would be easy given all the tools and technology available to the modern hobbyist, but as [Mike Ogrinz]’s
quest to re-create Robby the Robot
shows us, there is a lot moving around inside that domed head, and requires careful and clever work.
The... | 7 | 5 | [
{
"comment_id": "8123282",
"author": "jbx",
"timestamp": "2025-05-01T14:14:26",
"content": "Robby’s gyros : doneNow let’s work on Robby’s belly whisky factory…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123316",
"author": "Egghead Larsen",
... | 1,760,371,559.438266 | ||
https://hackaday.com/2025/04/30/vintage-stereo-stack-becomes-neat-pc-case/ | Vintage Stereo Stack Becomes Neat PC Case | Lewin Day | [
"Misc Hacks"
] | [
"Case mod",
"case modding",
"pc",
"Technics"
] | Vintage hi-fi gear has a look and feel all its own. [ThunderOwl] happened to be playing in this space, turning a heavily-modified Technics stereo stack into an awesome neo-retro PC case.
Meet the “TechnicsPC!”
This is good. We like this.
You have to hunt across BlueSky for the goodies, but it’s well worth it. The main ... | 8 | 4 | [
{
"comment_id": "8123237",
"author": "G-man",
"timestamp": "2025-05-01T09:23:03",
"content": "I’m still running my PC in a Thermaltake DH102https://www.tomshardware.com/reviews/htpc-lcd-touchscreen,2129-6.html– I bought it as it fits perfectly in a rack with my amplifier. No one even guesses it’s a ... | 1,760,371,559.546398 | ||
https://hackaday.com/2025/04/30/neutron-flux-impact-on-quartz-expansion-rate/ | Neutron Flux Impact On Quartz Expansion Rate | Maya Posch | [
"Science"
] | [
"neutron",
"Quartz"
] | Radiation-induced volumetric expansion (RIVE) is a concern for any concrete structures that are exposed to neutron flux and other types of radiation that affect crystalline structures within the aggregate. For research facilities and (commercial) nuclear reactors, RIVE is generally considered to be one of the factors t... | 8 | 6 | [
{
"comment_id": "8123199",
"author": "Paul",
"timestamp": "2025-05-01T02:05:56",
"content": "Well, now Ireallywant a project where this research would be relevant. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123331",
"author": "TG",
"... | 1,760,371,559.663085 | ||
https://hackaday.com/2025/04/30/a-new-and-weird-kind-of-typewriter/ | A New And Weird Kind Of Typewriter | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"typewriter"
] | Typewriters aren’t really made anymore in any major quantity, since the computer kind of rained all over its inky parade. That’s not to say you can’t build one yourself though,
as [Toast] did in a very creative fashion.
After being inspired by so many typewriters on YouTube, [Toast] decided they simply had to 3D print ... | 18 | 8 | [
{
"comment_id": "8123166",
"author": "shiura",
"timestamp": "2025-04-30T23:29:45",
"content": "I just remember DYMO.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123185",
"author": "anon",
"timestamp": "2025-05-01T00:50:53",
"conte... | 1,760,371,559.618512 | ||
https://hackaday.com/2025/04/30/layout-a-pcb-with-tscircuit/ | Layout A PCB With Tscircuit | Al Williams | [
"PCB Hacks",
"Tool Hacks"
] | [
"Hardware Description Language",
"pcb",
"tscircuit"
] | Most of us learned to design circuits with schematics. But if you get to a certain level of complexity, schematics are a pain. Modern designers — especially for digital circuits — prefer to use some kind of hardware description language.
There are a few options to do similar things with PCB layout, including tscircuit.... | 23 | 11 | [
{
"comment_id": "8123136",
"author": "KDawg",
"timestamp": "2025-04-30T20:34:53",
"content": "I dunno gotten pretty lazy with altium netlables and copy paste special for simpler repetitive things like the keyboard example … pretty sure ki-cad can do some similar magic tricks. For complex items maybe... | 1,760,371,559.722037 | ||
https://hackaday.com/2025/04/30/floss-weekly-episode-831-lets-have-lunch/ | FLOSS Weekly Episode 831: Let’s Have Lunch | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"dns",
"FLOSS Weekly"
] | This week,
Jonathan Bennett
and
Dan Lynch
chat with
Peter van Dijk
about PowerDNS! Is the problem always DNS? How did PowerDNS start? And just how big can PowerDNS scale? Watch to find out!
https://github.com/PowerDNS/
https://github.com/Habbie
https://github.com/voorkant/
https://7bits.nl/journal/
Did you know you can... | 0 | 0 | [] | 1,760,371,559.832202 | ||
https://hackaday.com/2025/04/29/read-motor-speed-better-by-making-the-rp2040-pio-do-it/ | Read Motor Speed Better By Making The RP2040 PIO Do It | Donald Papp | [
"Microcontrollers"
] | [
"motor speed",
"PIO",
"quadrature encoder",
"rp2040"
] | A quadrature encoder provides a way to let hardware read movement (and direction) of a shaft, and they can be simple, effective, and inexpensive devices. But [Paulo Marques] observed that when it comes to reading motor speeds with them, what works best at high speeds doesn’t work at low speeds, and vice versa. His solu... | 8 | 3 | [
{
"comment_id": "8122948",
"author": "Bob A.",
"timestamp": "2025-04-29T23:43:26",
"content": "Nice use of the PIO. For those unfamiliar with the PIO, it’s a small piece of IP available in Raspberry Pi Pico SOCs that can clock and manipulate a bitstream under the control of its own tiny instruction ... | 1,760,371,559.792508 | ||
https://hackaday.com/2025/04/29/crossing-commodore-signal-cables-on-purpose/ | Crossing Commodore Signal Cables On Purpose | Bryan Cockfield | [
"Retrocomputing"
] | [
"analog",
"audio",
"c64",
"chiptune",
"commodore 64",
"filter",
"video"
] | On a Commodore 64, the computer is normally connected to a monitor with one composite video cable and to an audio device with a second, identical (although uniquely colored) cable. The signals passed through these cables are analog, each generated by a dedicated chip on the computer. Many C64 users may have accidentall... | 19 | 12 | [
{
"comment_id": "8122915",
"author": "Jon H",
"timestamp": "2025-04-29T21:02:19",
"content": "“so long that the audio can’t be paused while this happens and has to be bit-banged the entire time.”Do you mean the audio that is video or the video that is audio?",
"parent_id": null,
"depth": 1,
... | 1,760,371,559.885143 | ||
https://hackaday.com/2025/04/29/theres-an-venusian-spacecraft-coming-our-way/ | There’s A Venusian Spacecraft Coming Our Way | Jenny List | [
"Space"
] | [
"cosmos-482",
"spacecraft",
"Venera"
] | It’s not unusual for redundant satellites, rocket stages, or other spacecraft to re-enter the earth’s atmosphere. Usually they pass unnoticed or generate a spectacular light show, and very rarely a few pieces make it to the surface of the planet. Coming up though is something entirely different,
a re-entry of a redunda... | 29 | 7 | [
{
"comment_id": "8122893",
"author": "BT",
"timestamp": "2025-04-29T18:45:28",
"content": "we look forward to bringing you our report if possible.LOL I look forward to reading it if possible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8122896",
"author... | 1,760,371,560.197896 | ||
https://hackaday.com/2025/04/29/the-diy-1982-picture-phone/ | The DIY 1982 Picture Phone | Al Williams | [
"Featured",
"History",
"Phone Hacks",
"Slider"
] | [
"picture phone",
"radio electronics",
"SSTV"
] | If you’ve only been around for the Internet age, you may not realize that Hackaday is the successor of electronics magazines. In their heyday, magazines like Popular Electronics, Radio Electronics, and Elementary Electronics brought us projects to build. Hacks, if you will. Just like Hackaday, not all readers are at th... | 19 | 8 | [
{
"comment_id": "8122876",
"author": "jbx",
"timestamp": "2025-04-29T17:32:37",
"content": "In the 1968 film “2001: A Space Odyssey,” director S. Kurbrick introduced the visual telephone in a scene with Dr. Floyd and his daughter from the space station.At that time, no one, not even Kurbrick, had ye... | 1,760,371,562.261308 | ||
https://hackaday.com/2025/04/29/peeking-at-poking-health-tech-the-g7-and-the-libre-3/ | Peeking At Poking Health Tech: The G7 And The Libre 3 | Heidi Ulrich | [
"chemistry hacks",
"Medical Hacks",
"Teardown"
] | [
"cgm",
"diabetes",
"diabetics",
"glucose",
"monitor"
] | Continuous glucose meters (CGMs) aren’t just widgets for the wellness crowd. For many, CGMs are real-time feedback machines for the body, offering glucose trendlines that help people rethink how they eat. They allow diabetics to continue their daily life without stabbing their fingertips several times a day, in the mos... | 9 | 6 | [
{
"comment_id": "8122875",
"author": "JAL4JC",
"timestamp": "2025-04-29T17:30:11",
"content": "Man. With that awesome title, I really thought a BASIC reference was coming.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8122922",
"author": "Dan",
"times... | 1,760,371,562.423358 | ||
https://hackaday.com/2025/04/29/keebin-with-kristina-the-one-with-the-protractor-keyboard/ | Keebin’ With Kristina: The One With The Protractor Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"aluminium keyboard",
"AR-60%",
"keyboard gun",
"Malling-Hansen Takygraph",
"protractor",
"protractor keyboard",
"research battlestation",
"Takygraf",
"Takygraph",
"the Cleaver keyboard"
] | Don’t you love it when the title track is the first one on the album?
I had to single out this adjustable keyboard called the Protractor
, because look at it! The whole thing moves, you know. Go look at the gallery.
Image by [BFB_Workshop] via
reddit
If you use a true split, even if you never leave the house, you know ... | 9 | 3 | [
{
"comment_id": "8122838",
"author": "deshipu",
"timestamp": "2025-04-29T14:19:00",
"content": "Thinking about all the lard scraped from the fingers that is going to accumulate in those tiny metal holes is making me feel unwell.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,561.85461 | ||
https://hackaday.com/2025/04/29/hydrogen-trains-not-the-success-germany-hoped-they-would-be/ | Hydrogen Trains: Not The Success Germany Hoped They Would Be | Jenny List | [
"green hacks",
"Transportation Hacks"
] | [
"hydrogen train",
"hydrogen transport"
] | As transport infrastructure in Europe moves toward a zero-carbon future, there remain a number of railway lines which have not been electrified. The question of replacing their diesel traction with greener alternatives, and there are a few different options for a forward looking railway company to choose from. In Germa... | 95 | 17 | [
{
"comment_id": "8122796",
"author": "rasz_pl",
"timestamp": "2025-04-29T11:25:17",
"content": "It seems that this time the reliability of the units and the supply of spare parts was the issue, rather than the difficulty of fuel transport“However, trips and connections have to be canceled time and a... | 1,760,371,562.199998 | ||
https://hackaday.com/2025/04/30/supercon-2024-photonics-optical-stack-for-smart-glasses/ | Supercon 2024: Photonics/Optical Stack For Smart-Glasses | Lewin Day | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2024 Hackaday Supercon",
"ar",
"augmented reality",
"cons",
"smart glasses",
"talks"
] | Smart glasses are a complicated technology to work with. The smart part is usually straightforward enough—microprocessors and software are perfectly well understood and easy to integrate into even very compact packages. It’s the glasses part that often proves challenging—figuring out the right optics to create a workab... | 6 | 4 | [
{
"comment_id": "8123125",
"author": "Evaprototype",
"timestamp": "2025-04-30T19:24:21",
"content": "Are the slides documented somewhere?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123192",
"author": "Lewin Day",
"timestamp": "2025-05-01... | 1,760,371,561.797076 | ||
https://hackaday.com/2025/04/30/radio-repeaters-in-the-sky/ | Radio Repeaters In The Sky | Bryan Cockfield | [
"Radio Hacks"
] | [
"antenna",
"encryption",
"geostationary",
"military",
"radio",
"repeater",
"space",
"yagi-uda"
] | One of the first things that an amateur radio operator is likely to do once receiving their license is grab a dual-band handheld and try to make contacts with a local repeater. After the initial contacts, though, many hams move on to more technically challenging aspects of the hobby. One of those being activating space... | 10 | 3 | [
{
"comment_id": "8123134",
"author": "D",
"timestamp": "2025-04-30T20:09:49",
"content": "I’m assuming these are old satellites, and that a modern military communication device would have a mechanism to prevent it from repeating pirate radio or civilian tv? I.E. a digital signal with authentication?... | 1,760,371,561.912702 | ||
https://hackaday.com/2025/04/30/a-gentle-introduction-to-cobol/ | A Gentle Introduction To COBOL | Maya Posch | [
"Featured",
"Interest",
"Slider",
"Software Development"
] | [
"cobol",
"gcc-cobol",
"gnucobol"
] | As the Common Business Oriented Language, COBOL has a long and storied history. To this day it’s quite literally the financial bedrock for banks, businesses and financial institutions, running largely unnoticed by the world on mainframes and similar high-reliability computer systems. That said, as a domain-specific lan... | 70 | 37 | [
{
"comment_id": "8123057",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2025-04-30T14:09:43",
"content": "Nice illustration for the Title!Thanks Joe Kim!(now I’ll read the article…)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123062",
... | 1,760,371,562.531973 | ||
https://hackaday.com/2025/04/30/terminal-daw-does-it-in-style/ | Terminal DAW Does It In Style | Fenix Guthrie | [
"Linux Hacks",
"Musical Hacks"
] | [
"DAW",
"digital audio",
"digital music",
"music hacks",
"terminal"
] | As any Linux chat room or forum will tell you, the most powerful tool to any Linux user is a terminal emulator. Just about every program under the sun has a command line alternative, be it CAD, note taking, or web browsing. Likewise, the digital audio workstation (DAW) is the single most important tool to anyone making... | 30 | 9 | [
{
"comment_id": "8123037",
"author": "Harvie.CZ",
"timestamp": "2025-04-30T12:34:39",
"content": "I’ve also found two similar projects:https://github.com/danfrz/PLEBTrackerhttps://zuggamasta.de/projects/miditracker/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,561.991923 | ||
https://hackaday.com/2025/04/30/building-an-nrf52840-and-battery-powered-zigbee-gate-sensor/ | Building An NRF52840 And Battery-Powered Zigbee Gate Sensor | Maya Posch | [
"Microcontrollers",
"Wireless Hacks"
] | [
"nRF52840",
"zigbee"
] | Recently
[Glen Akins] reported on Bluesky
that the Zigbee-based sensor he had made for his garden’s rear gate was still going strong after a Summer and Winter on the original 2450 lithium coin cell. The construction plans and design for the unit are
detailed in a blog post
. At the core is the
MS88SF2
SoM by Minew, whi... | 23 | 8 | [
{
"comment_id": "8123011",
"author": "Carl Breen",
"timestamp": "2025-04-30T08:58:22",
"content": "Makes me almost wonder if he could have put a solar cell and energy harvesting chip in there and use a rechargeable battery. Of course his design and power profiling in the in-depth article is pure gen... | 1,760,371,562.376632 | ||
https://hackaday.com/2025/04/29/back-to-reality-with-the-time-brick/ | Back To Reality With The Time Brick | Bryan Cockfield | [
"clock hacks"
] | [
"clock",
"design",
"display",
"error handling",
"ESP-01",
"weather",
"wifi"
] | There are a lot of distractions in daily life, especially with all the different forms of technology and their accompanying algorithms vying for our attention in the modern world. [mar1ash] makes the same observation about our shared experiences fighting to stay sane with all these push notifications and alerts, and wa... | 8 | 2 | [
{
"comment_id": "8122998",
"author": "Andrew",
"timestamp": "2025-04-30T08:17:32",
"content": "EARTH HAS 4 CORNER SIMULTANEOUS 4-DAY TIME CUBE IN ONLY 24 HOUR ROTATION.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123024",
"author": "Bobtato",
... | 1,760,371,562.309155 | ||
https://hackaday.com/2025/04/29/comparing-ai-for-basic-plant-care-with-human-brown-thumbs/ | Comparing ‘AI’ For Basic Plant Care With Human Brown Thumbs | Maya Posch | [
"Artificial Intelligence",
"green hacks"
] | [
"artificial intelligence",
"automated plant care",
"automatic plant watering",
"soil moisture sensor"
] | The future of healthy indoor plants, courtesy of AI. (Credit: [
Liam
])
Like so many of us, [Liam] has a big problem. Whether it’s the curse of Brown Thumbs or something else, those darn houseplants just keep dying despite guides always telling you how
incredibly easy
it is to keep them from wilting with a modicum of c... | 18 | 11 | [
{
"comment_id": "8122976",
"author": "Andrew",
"timestamp": "2025-04-30T02:36:58",
"content": "It was a practice run. Next, humans.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123067",
"author": "elmesito",
"timestamp": "2025-04-30T14:43:... | 1,760,371,562.588247 | ||
https://hackaday.com/2025/04/29/weird-and-wonderful-vr-mr-text-entry-methods-all-in-one-place/ | Weird And Wonderful VR/MR Text Entry Methods, All In One Place | Donald Papp | [
"Software Hacks",
"Virtual Reality"
] | [
"interface",
"MR",
"text entry",
"vr",
"XR"
] | Are you a developer or experimenter pondering options for text entry in virtual or mixed reality? If that’s the case (or you’re merely curious) then here’s the resource you need:
TEXT
, or the
T
ext
E
ntry for
X
R
T
rove. It’s a collection of all the things people have tried when it comes to creating text entry interfa... | 5 | 2 | [
{
"comment_id": "8122785",
"author": "M",
"timestamp": "2025-04-29T10:11:42",
"content": "What’s the difference between MR and AR",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122810",
"author": "Ethan",
"timestamp": "2025-04-29T12:32:25",
... | 1,760,371,562.636165 | ||
https://hackaday.com/2025/04/28/pi-pico-throws-us-for-a-midi-loop/ | Pi Pico Throws Us For A (MIDI) Loop | Tyler August | [
"Musical Hacks"
] | [
"diy midi",
"electronic music",
"midi loop",
"Pi Pico W",
"Pico-W"
] | Modern micro-controllers are absolute marvels, but it isn’t too many projects use one and nothing else. For an example of such simplicity, take a look at [oyama]’s
Pi Pico MIDI looper
.
It uses the PicoW to interface with a synth via MIDI-BLE, which can be anything from pro equipment to an app on your smartphone. The s... | 3 | 1 | [
{
"comment_id": "8122787",
"author": "matt",
"timestamp": "2025-04-29T10:25:30",
"content": "Very cool, I had a teenage engineering pocket operator and loved it, but this is a much cheaper way to get the same essence, for a lot cheaper!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,562.673674 | ||
https://hackaday.com/2025/04/28/deriving-the-reactance-formulas/ | Deriving The Reactance Formulas | Al Williams | [
"Misc Hacks"
] | [
"calculus",
"math",
"radian frequency",
"Reactance"
] | If you’ve dealt with reactance, you surely know the two equations for computing inductive and capacitive reactance. But unless you’ve really dug into it, you may only know the formula the way a school kid knows how to find the area of a circle. You have to have a bit of higher math to figure out why the equation is wha... | 9 | 1 | [
{
"comment_id": "8122770",
"author": "TheJoe",
"timestamp": "2025-04-29T06:11:25",
"content": "I sometimes wonder… this is high school level physics (where I went to school). It is not complex. We are not discussing quantum mechanics. What is it about the education system that people don’t know this... | 1,760,371,563.030424 | ||
https://hackaday.com/2025/04/28/eclairm0-the-pocket-notepad/ | EclairM0, The Pocket Notepad | Matt Varian | [
"handhelds hacks"
] | [
"OLED SSD1306",
"SAMD21",
"T9",
"tinygo"
] | Roughly the size of a Tic Tac container,
this project
packs a punch in a compact package. [Matt] sent in this beautifully documented pocket device that brings back great memories of texting on early cellphones.
The EclairM0’s firmware is written in TinyGo, a language he hadn’t used before but found perfect for a microc... | 6 | 4 | [
{
"comment_id": "8122766",
"author": "Peter",
"timestamp": "2025-04-29T05:10:09",
"content": "I’m impressed by the elegant design of it. I would probably like some indication of special functions on the keyboard, because I would quickly forget which combo did what.I am fascinated by these types of p... | 1,760,371,562.934461 | ||
https://hackaday.com/2025/04/28/tinycorder-isnt-quite-a-tricorder-but/ | Tinycorder Isn’t Quite A Tricorder, But… | Al Williams | [
"Microcontrollers"
] | [
"ESP32",
"tester"
] | The Star Trek tricorder was a good example of a McGuffin. It did anything needed to support the plot or, in some cases, couldn’t do things also in support of the plot. We know [SirGalaxy] was thinking about the tricorder when he named the
Tinycorder
, but the little device has a number of well-defined features. You can... | 12 | 2 | [
{
"comment_id": "8122683",
"author": "Panondorf",
"timestamp": "2025-04-28T20:08:37",
"content": "Seeing the spanish menu reminded me of something I have been meaning to do.. look up HaD like content in languages I practice on DuoLingo for more experience and vocab in something that interests me. T... | 1,760,371,562.89112 | ||
https://hackaday.com/2025/04/28/paint-mixing-theory-for-custom-filament-colors/ | Paint Mixing Theory For Custom Filament Colors | Aaron Beckendorf | [
"3d Printer hacks"
] | [
"color matching",
"color mixing",
"colored 3d printer filament",
"filament extruder"
] | Recycling 3D filament is a great idea in theory, and we come across homemade filament extruders with some regularity, but they do have some major downsides when it comes to colored filaments. If you try to recycle printer waste of too many different colors, you’ll probably be left with a nondescript gray or brown filam... | 11 | 5 | [
{
"comment_id": "8122692",
"author": "Jon H",
"timestamp": "2025-04-28T20:49:39",
"content": "I wonder if you could mix in the hot end, perhaps with some ultrasonic agitation to keep it moving through.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8122694",
... | 1,760,371,562.981322 | ||
https://hackaday.com/2025/04/28/supercon-2024-sketching-with-machines/ | Supercon 2024: Sketching With Machines | Lewin Day | [
"cnc hacks",
"cons",
"Hackaday Columns"
] | [
"2024 Hackaday Supercon",
"3d printer",
"g-code",
"tool paths"
] | When it comes to our machines, we generally have very prescribed and ordered ways of working with them. We know how to tune our CNC mill for the minimum chatter when its chewing through aluminium. We know how to get our FDM printer to lay perfect, neat layers to minimize the defects in our 3D prints.
That’s not what Bl... | 2 | 2 | [
{
"comment_id": "8122658",
"author": "Greg A",
"timestamp": "2025-04-28T18:43:32",
"content": "there’s something neat about being able to control the tool path directly but it doesn’t seem very generally applicable to me. you go a short way down that path and before you know it you’re inventing a n... | 1,760,371,563.121925 | ||
https://hackaday.com/2025/04/27/how-methane-took-over-the-booster-world/ | How Methane Took Over The Booster World | Tyler August | [
"Space"
] | [
"aerospace",
"liquid fuel rocket",
"liquid fuel rocket engine",
"methane",
"rocketry"
] | Go back a generation of development, and excepting the shuttle-derived systems, all liquid rockets used RP-1 (aka kerosene) for their first stage. Now it seems everybody and their dog wants to fuel their rockets with methane. What happened? [Eager Space] was
eager to explain in recent video
, which you’ll find embedded... | 42 | 14 | [
{
"comment_id": "8122414",
"author": "ziggurat29",
"timestamp": "2025-04-27T20:31:46",
"content": "so rocketry iz wut we about, yo! lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8122415",
"author": "cliff claven",
"timestamp": "2025-04-27T20:36:24... | 1,760,371,563.205193 | ||
https://hackaday.com/2025/04/27/quick-and-easy-digital-stethoscope-keeps-tabs-on-cat/ | Quick And Easy Digital Stethoscope Keeps Tabs On Cat | Dan Maloney | [
"Medical Hacks"
] | [
"audacity",
"auscultation",
"feline",
"Krita",
"lavalier",
"stethoscope",
"vet"
] | For all their education, medical practitioners sometimes forget that what’s old hat to them is new territory for their patients. [David Revoy] learned that when a recent visit to the veterinarian resulted in the need to monitor his cat’s pulse rate at home, a task that he found difficult enough that he hacked together
... | 7 | 5 | [
{
"comment_id": "8122369",
"author": "lightislight",
"timestamp": "2025-04-27T17:17:46",
"content": "Purfection. These are the hacks I adore. Show us more 20$ hacks that can do cool things like keep kitties healthy! This could also be useful for diagnostics of pumps and other activities I’m sure.I t... | 1,760,371,563.074628 | ||
https://hackaday.com/2025/04/27/vesc-mods-made-via-vibe-coding/ | VESC Mods Made Via Vibe Coding | Lewin Day | [
"Transportation Hacks"
] | [
"coding",
"gemini",
"vesc",
"vibe coding"
] | [David Bloomfield] wanted to make some tweaks to an embedded system, but didn’t quite have the requisite skills.
He decided to see if
vibe coding
could help.
[David]’s goal was simple. To take the
VESC Telemetry Display
created by [Lukas Janky] and add some tweaks of his own. He wanted to add more colors to the display... | 19 | 6 | [
{
"comment_id": "8122347",
"author": "Ostracus",
"timestamp": "2025-04-27T15:20:39",
"content": "“It pays to know what you’re doing at the end of the day. ”Just imagine the damage an AI-driven poster could do.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8... | 1,760,371,563.438619 | ||
https://hackaday.com/2025/04/27/save-cells-from-the-landfill-get-a-power-bank-for-your-troubles/ | Save Cells From The Landfill, Get A Power Bank For Your Troubles | Donald Papp | [
"Battery Hacks"
] | [
"diy",
"lithium battery",
"lithium ion",
"power bank",
"rechargeable",
"salvage"
] | A hefty portable power bank is a handy thing to DIY, but one needs to get their hands on a number of matching lithium-ion cells to make it happen. [Chris Doel] points out an easy solution:
salvage them from disposable vapes and build a solid 35-cell power bank
. Single use devices? Not on his watch!
[Chris] has made it... | 35 | 11 | [
{
"comment_id": "8122317",
"author": "GarberPark",
"timestamp": "2025-04-27T11:57:22",
"content": "Applause, Applause!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122334",
"author": "H Hack",
"timestamp": "2025-04-27T12:56:14",
"... | 1,760,371,563.379471 | ||
https://hackaday.com/2025/04/27/deep-dive-on-panel-making/ | Deep Dive On Panel Making | Al Williams | [
"how-to"
] | [
"front panel",
"laminate"
] | It is easier than ever to produce projects with nice enclosures thanks to 3D printing and laser cutting. However, for a polished look, you also need a labeled front panel. We’ve looked at several methods for doing that in the past, but we enjoyed [Accidental Science’s] video showing his method for making
laminated pane... | 24 | 13 | [
{
"comment_id": "8122314",
"author": "user",
"timestamp": "2025-04-27T10:47:59",
"content": "When printing something make sure to check if your printer keeps correct dimmensions. In my case, to achieve accurate results from my laser printer I have to scale page with using 101,4% factor. Otherwise pr... | 1,760,371,563.497058 | ||
https://hackaday.com/2025/04/26/creating-an-electronic-board-for-catan-compatible-shenanigans/ | Creating An Electronic Board For Catan-Compatible Shenanigans | Lewin Day | [
"News"
] | [
"board game",
"settlers of catan"
] | [Sean Boyce] has been busy building board games. Specifically,
an electronic strategy boardgame that is miraculously also compatible with Settlers of Catan.
[Sean’s] game is called Calculus. It’s about mining asteroids and bartering. You’re playing as a corporation attempting to mine the asteroid against up to three ot... | 0 | 0 | [] | 1,760,371,563.533342 | ||
https://hackaday.com/2025/04/26/another-coil-winder-project/ | Another Coil Winder Project | Al Williams | [
"Misc Hacks"
] | [
"coil winder"
] | If you build electronics, you will eventually need a coil. If you spend any time winding one, you are almost guaranteed to think about building a coil winder. Maybe that’s why so many people do. [Jtacha] did
a take on the project
, and we were impressed — it looks great.
The device has a keypad and an LCD. You can ente... | 4 | 3 | [
{
"comment_id": "8122262",
"author": "Gravis",
"timestamp": "2025-04-27T02:50:15",
"content": "Forget “another” this is a sane and reproducible coil winder. I’ve seen many DIY coil winders and they all seem to rely on far too many commercial components or handmade one-offs. The arduino-based winder ... | 1,760,371,563.57351 | ||
https://hackaday.com/2025/04/28/x-rays-from-an-overdriven-magnetron/ | X-Rays From An Overdriven Magnetron | Dan Maloney | [
"High Voltage",
"Misc Hacks"
] | [
"flyback",
"high voltage",
"intensifying screen",
"magnetron",
"x-ray"
] | If you say that you’re “nuking” something, pretty much everyone will know that you mean you’re heating something in the microwave. It’s technically incorrect, of course, as the magnetron inside the oven emits only non-ionizing radiation, and is completely incapable of generating ionizing radiation such as X-rays. Right... | 34 | 10 | [
{
"comment_id": "8122610",
"author": "limroh",
"timestamp": "2025-04-28T15:39:24",
"content": "A quick superficial search didn’t reveal concrete answers either way but does theold medical X-ray film cassettejust and ONLY react to “X-rays”? Maybe it just reacted to lower energy radiation.",
"pare... | 1,760,371,563.71385 | ||
https://hackaday.com/2025/04/28/life-on-k2-18b-dont-get-your-hopes-up-just-yet/ | Life On K2-18b? Don’t Get Your Hopes Up Just Yet | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"extraterrestrial life",
"james webb space telescope",
"K2-18b",
"SETI"
] | Last week, the mainstream news was filled with headlines about K2-18b — an exoplanet some 124 light-years away from Earth that 98% of the population had never even heard about. Even astronomers weren’t aware of its existence until the Kepler Space Telescope picked it out back in 2015, just one of the more than 2,700 pl... | 27 | 9 | [
{
"comment_id": "8122593",
"author": "Pat",
"timestamp": "2025-04-28T14:58:31",
"content": "“When analyzing the raw data without any preconceived notion of what you’re looking for, Taylor says there’s “no strong statistical evidence” to support the detection of DMS and DMDS”No, it’s actually a ton s... | 1,760,371,563.64463 | ||
https://hackaday.com/2025/04/28/asus-gpu-uses-gyroscope-to-warn-for-sagging-cards/ | ASUS GPU Uses Gyroscope To Warn For Sagging Cards | Maya Posch | [
"computer hacks"
] | [
"gyroscope",
"VideoCard"
] | It’s not really an understatement to say that over the years videocards (GPUs) — much like CPU coolers — have become rather chonky. Unfortunately, the PCIe slots they plug into were never designed with multi-kilogram cards in mind. All this extra weight is of course happily affected by gravity.
The problem has gotten t... | 51 | 22 | [
{
"comment_id": "8122533",
"author": "Foldi-One",
"timestamp": "2025-04-28T11:38:41",
"content": "Bonkers that we have gotten to the stage that sensor makes any sense at all, though that is a great way to differentiate your product and could well become the default wanted by anybody that still LAN p... | 1,760,371,563.803831 | ||
https://hackaday.com/2025/04/28/look-its-a-knob-its-a-jack-its-euroknob/ | Look! It’s A Knob! It’s A Jack! It’s Euroknob! | Dan Maloney | [
"Musical Hacks"
] | [
"3.5-mm",
"AS5600",
"encoder",
"eurorack",
"jack",
"magnetic",
"patch",
"plug",
"synthesizer",
"TRS"
] | Are your Eurorack modules too crowded? Sick of your patch cables making it hard to twiddle your knobs? Then you might be very interested in
the new Euroknob
, the knob that sports a hidden patch cable jack.
Honestly, when we first saw the Euroknob demo board, we thought [Mitxela] had gone a little off the rails. It loo... | 25 | 10 | [
{
"comment_id": "8122517",
"author": "elwing",
"timestamp": "2025-04-28T10:19:08",
"content": "brillant hack, through I share his durability worries…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122526",
"author": "Giake",
"timestamp": "20... | 1,760,371,563.864209 | ||
https://hackaday.com/2025/04/27/kaleidoscopico-shows-off-pi-picos-capabilities/ | Kaleidoscopico Shows Off Pi Pico’s Capabilities | Bryan Cockfield | [
"Raspberry Pi"
] | [
"amiga",
"assembly",
"chiptune",
"demo",
"graphics",
"hardware",
"pi pico",
"raspberry pi",
"retrocomputing",
"RISC-V",
"video"
] | In the early days of computing, and well into the era where home computers were common but not particularly powerful, programming these machines was a delicate balance of managing hardware with getting the most out of the software. Memory had to be monitored closely, clock cycles taken into account, and even video outp... | 14 | 8 | [
{
"comment_id": "8122477",
"author": "Jouni",
"timestamp": "2025-04-28T06:13:07",
"content": "That demo is frickin’ amazing.The real hack is how in the earth he can focus himself learning and build such a long demo with all we saw? That guy is a mental hacker in the first place – and even more if yo... | 1,760,371,563.917574 | ||
https://hackaday.com/2025/04/27/design-constraints-bring-lockbox-to-life/ | Design Constraints Bring Lockbox To Life | Bryan Cockfield | [
"Art"
] | [
"combination",
"keypad",
"lock",
"Lockbox",
"passive components",
"relay",
"woodworking"
] | One of the most paradoxical aspects of creating art is the fact that constraints, whether arbitrary or real, and whether in space, time, materials, or rules, often cause creativity to flourish rather than to wither. Picasso’s blue period,
Gadsby
by Ernest Vincent Wright, Tetris, and even the Volkswagen Beetle are all f... | 1 | 1 | [
{
"comment_id": "8122506",
"author": "RetepV",
"timestamp": "2025-04-28T08:40:04",
"content": "Funny intro for the video! But hmm, your dog must have quite a hearing problem. :DA nice addition would be a spring at the back of the drawer, so it automatically gets pushed open a bit when the lock disen... | 1,760,371,563.991724 | ||
https://hackaday.com/2025/04/27/hackaday-links-april-27-2025/ | Hackaday Links: April 27, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"ai",
"anti-submarine warfare",
"Deepfake",
"dexterity",
"dj",
"hackaday links",
"Hoover Dam",
"humanoid",
"LLM",
"magnetomoter",
"nitrogen-vacancy",
"quantum",
"radio station",
"robot",
"tecxt-to-speech"
] | Looks like the Simpsons had it right again
, now that an Australian radio station has been caught using
an AI-generated DJ
for their midday slot. Station CADA, a Sydney-based broadcaster that’s part of the Australian Radio Network, revealed that “Workdays with Thy” isn’t actually hosted by a person; rather, “Thy” is a ... | 14 | 7 | [
{
"comment_id": "8122434",
"author": "Allan-H",
"timestamp": "2025-04-27T23:43:46",
"content": "“the enormity of Hoover Dam”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122524",
"author": "Shannon",
"timestamp": "2025-04-28T10:52:10",
... | 1,760,371,564.135259 | ||
https://hackaday.com/2025/04/25/hash-functions-with-the-golden-ratio/ | Hash Functions With The Golden Ratio | Bryan Cockfield | [
"Science"
] | [
"computer science",
"efficiency",
"fibbonaci",
"hash",
"hashing",
"modulo",
"processing time"
] | In the realm of computer science, it’s hard to go too far without encountering hashing or hash functions. The concept appears throughout security, from encryption to password storage to crypto, and more generally whenever large or complex data must be efficiently mapped to a smaller, fixed-size set. Hashing makes the p... | 9 | 4 | [
{
"comment_id": "8122089",
"author": "jawnhenry",
"timestamp": "2025-04-26T04:52:23",
"content": "“…just as long as the input data doesn’t have a large number of Fibonacci numbers themselves…”Given that the Fibonacci Sequence–meaning Fibonacci numbers, of course–appears so regularly and is so pervas... | 1,760,371,564.08517 | ||
https://hackaday.com/2025/04/25/xor-gate-as-a-frequency-doubler/ | XOR Gate As A Frequency Doubler | Al Williams | [
"classic hacks"
] | [
"frequency doubler",
"xor"
] | [IMSAI Guy] grabbed an obsolete XOR gate and tried a classic circuit to turn it into
a frequency doubler
. Of course, being an old part, it won’t work at very high frequencies, but the circuit is super simple, just using the gate and an RC network. You can see a video of his exploration below.
The simple circuit seems ... | 10 | 9 | [
{
"comment_id": "8122070",
"author": "Lee Gleason",
"timestamp": "2025-04-26T01:14:10",
"content": "IMSAI Guy is the best. I love seeing him demonstrate a new chip every day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8122079",
"author": "paulvdh",
... | 1,760,371,564.18363 | ||
https://hackaday.com/2025/04/25/robot-gets-a-diy-pneumatic-gripper-upgrade/ | Robot Gets A DIY Pneumatic Gripper Upgrade | Lewin Day | [
"Robots Hacks"
] | [
"pneumatic",
"pneumatic gripper",
"Pneumatics",
"robot arm"
] | [Tazer] built a small desktop-sized robotic arm, and it was more or less functional. However, he wanted to improve its ability to pick things up, and attaching a pneumatic gripper seemed like the perfect way to achieve that.
Thus began the build!
The concept of [Tazer]’s pneumatic gripper is simple enough. When the pli... | 2 | 1 | [
{
"comment_id": "8122171",
"author": "Eric Mockler",
"timestamp": "2025-04-26T16:31:39",
"content": "This is pretty good, there should be comments.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8123319",
"author": "Elliot Williams",
"timesta... | 1,760,371,564.275773 | ||
https://hackaday.com/2025/04/25/sigrok-website-down-after-hosting-data-loss/ | Sigrok Website Down After Hosting Data Loss | Maya Posch | [
"News"
] | [
"sigrok"
] | When it comes to open source signal analysis software for logic analyzers and many other sensors, Sigrok is pretty much the only game in town. Unfortunately after an issue with the server hosting, the
website,
wiki, and other documentation is down until a new hosting provider is found and the site migrated. This leaves... | 14 | 6 | [
{
"comment_id": "8121990",
"author": "Rob",
"timestamp": "2025-04-25T17:08:05",
"content": "I would rather say it seemslessfinal, as they are moving to a more dependable location.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122030",
"author": "Ha... | 1,760,371,564.234595 | ||
https://hackaday.com/2025/04/25/hackaday-podcast-ep-318-diy-record-lathe-360-degree-lidar-and-3d-printing-innovation-lives/ | Hackaday Podcast Ep 318: DIY Record Lathe, 360 Degree LIDAR, And 3D Printing Innovation Lives! | Jenny List | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week Elliot Williams was joined by fellow Europe-based Hackaday staffer Jenny List, to record the Hackaday Podcast as the dusk settled on a damp spring evening.
On the agenda first was robotic sport, as a set of bipedal robots competed in a Chinese half-marathon. Our new Robot overlords may have to wait a while be... | 2 | 1 | [
{
"comment_id": "8122508",
"author": "Lee Roberts",
"timestamp": "2025-04-28T08:54:47",
"content": "Mike Harrison has a couple of teardowns of xray sensor plates on his youtube channel. Very interesting stuff inside.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,371,564.315539 | ||
https://hackaday.com/2025/04/25/you-wouldnt-steal-a-font/ | You Wouldn’t Steal A Font… | Jenny List | [
"Business",
"History",
"Interest"
] | [
"copyright",
"dvd",
"you wouldnt steal a car"
] | In the 2000s, the DVD industry was concerned about piracy, in particular the threat to their business model presented by counterfeit DVDs and downloadable movies. Their response was a campaign which could be found embedded into the intro sequences of many DVDs of the era, in which an edgy font on a black background beg... | 67 | 19 | [
{
"comment_id": "8121948",
"author": "Mark Topham",
"timestamp": "2025-04-25T15:32:54",
"content": "“a pirated copy of the original”When it comes to fonts, you need to define that in detail.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8121951",
"author"... | 1,760,371,564.641776 | ||
https://hackaday.com/2025/04/25/this-week-in-security-xrp-poisoned-mcp-bypassed-and-more/ | This Week In Security: XRP Poisoned, MCP Bypassed, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"CVEs",
"mcp",
"supply chain attack",
"This Week in Security"
] | Researchers at Aikido run the Aikido Intel system, an LLM security monitor that ingests the feeds from public package repositories, and looks for anything unusual. In this case, the unusual activity was
five rapid-fire releases of the
xrpl
package on NPM
. That package is the XRP Ledger SDK from Ripple, used to manage ... | 7 | 3 | [
{
"comment_id": "8121918",
"author": "Ostracus",
"timestamp": "2025-04-25T14:20:47",
"content": "Kind of a bad naming for something AI, calling it MCP.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8121946",
"author": "CJay",
"timestamp": "2... | 1,760,371,564.685501 | ||
https://hackaday.com/2025/04/26/ykks-self-propelled-zipper-less-crazy-than-it-seems/ | YKK’s Self-Propelled Zipper: Less Crazy Than It Seems | Maya Posch | [
"News"
] | [
"zipper"
] | The self-propelled zip fastener uses a worm gear to propel itself along the teeth. (Credit: YKK)
At first glance the very idea of a zipper that unzips and zips up by itself seems somewhat ridiculous. After all, these contraptions are mostly used on pieces of clothing and gear where handling a zipper isn’t really sped u... | 40 | 18 | [
{
"comment_id": "8122228",
"author": "David",
"timestamp": "2025-04-26T23:09:39",
"content": "Ever heard of aroad zipper? I wonder how many of these are fully-automated now and how many will become fully-automated in the next decade.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,371,565.279505 | ||
https://hackaday.com/2025/04/26/remembering-heathkit/ | Remembering Heathkit | Al Williams | [
"Misc Hacks"
] | [
"heathkit"
] | While most hams and hackers have at least heard of Heathkit, most people don’t know the strange origin story of the legendary company. [Ham Radio Gizmos]
takes us all through the story
.
In case you don’t remember, Heathkit produced everything from shortwave radios to color TVs to test equipment and even computers. But... | 22 | 13 | [
{
"comment_id": "8122210",
"author": "Miles Archer",
"timestamp": "2025-04-26T20:36:35",
"content": "I learned to solder building a kit that my dad got me. probablyhttps://people.ohio.edu/postr/bapix/HD-1416.htm",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,371,564.747423 | ||
https://hackaday.com/2025/04/26/quantum-random-number-generator-squirts-out-numbers-via-mqtt/ | Quantum Random Number Generator Squirts Out Numbers Via MQTT | Lewin Day | [
"Network Hacks"
] | [
"quantum",
"random",
"randomness",
"rng",
"trng"
] | Sometimes you need random numbers — and
properly
random ones, at that. Hackaday Alum [Sean Boyce] whipped up a rig that serves up just that,
tasty random bytes delivered fresh over MQTT.
[Sean] tells us he’s been “designing various quantum TRNGs for nearly 15 years as part of an elaborate practical joke” without furthe... | 24 | 5 | [
{
"comment_id": "8122184",
"author": "ziggurat29",
"timestamp": "2025-04-26T17:44:00",
"content": "I suspect the joke was both funny and non-funny at the same time, hence the reticence to disclose.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122191",
... | 1,760,371,564.809204 | ||
https://hackaday.com/2025/04/26/from-good-enough-to-best/ | From Good Enough To Best | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"coffee roaster",
"hacking projects",
"rants"
] | It was probably
Montesquieu
who coined the proto-hacker motto “the best is the mortal enemy of the good”. He was talking about compromises in drafting national constitutions for nascent democracies, of course, but I’ll admit that I do hear his voice when I’m in get-it-done mode and start cutting corners on a project. A... | 24 | 11 | [
{
"comment_id": "8122141",
"author": "Ostracus",
"timestamp": "2025-04-26T14:03:08",
"content": "Good enough brings us a planet full of life.https://youtu.be/DZ_T4zMBx6E",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8122149",
"author": "Gravis",
... | 1,760,371,564.873079 | ||
https://hackaday.com/2025/04/26/digital-squids-behavior-shaped-by-neural-network/ | Digital Squid’s Behavior Shaped By Neural Network | Bryan Cockfield | [
"Machine Learning"
] | [
"digital pet",
"hebbian",
"machine learning",
"neural network"
] | In the 90s, a video game craze took over the youth of the world — but unlike today’s games that rely on powerful PCs or consoles, these were simple, standalone devices with monochrome screens, each home to a digital pet. Often clipped to a keychain, they could travel everywhere with their owner, which was ideal from th... | 2 | 1 | [
{
"comment_id": "8122192",
"author": "CRJEEA",
"timestamp": "2025-04-26T18:48:20",
"content": "Modern Tamagotchi perhaps?Although, if it can add neurons as required, perhaps there’s no limit to how smart it could get with enough time and computing capacity.",
"parent_id": null,
"depth": 1,
... | 1,760,371,564.921973 | ||
https://hackaday.com/2025/04/26/amazing-oscilloscope-demo-scores-the-win-at-revision-2025/ | Amazing Oscilloscope Demo Scores The Win At Revision 2025 | Lewin Day | [
"Musical Hacks"
] | [
"demo",
"demoscene",
"oscilloscope",
"oscilloscope music",
"revision 2025"
] | Classic demos from the demoscene are all about showing off one’s technical prowess, with a common side order of a slick banging soundtrack. That’s precisely what [BUS ERROR Collective] members [DJ_Level_3] and [Marv1994] delivered
with their prize-winning
Primer
demo this week.
This demo is a grand example of so-called... | 34 | 17 | [
{
"comment_id": "8122117",
"author": "Rpol404",
"timestamp": "2025-04-26T11:13:39",
"content": "Really cool! Had an Amiga demo vibe from the late 80’s and early 90’s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8122118",
"author": "Mack",
"timestam... | 1,760,371,565.097073 | ||
https://hackaday.com/2025/04/25/rp2040-spins-right-round-inside-pov-display/ | RP2040 Spins Right ‘Round Inside POV Display | Tyler August | [
"LED Hacks"
] | [
"POV",
"POV display",
"rp2040"
] | Sometimes, a flat display just won’t cut it. If you’re looking for something a little rounder, perhaps your vision could persist in in looking at [lhm0]’s
rotating LED sphere RP2040 POV display
.
As you might have guessed from that title, this persistence-of-vision display uses an RP2040 microcontroller as its beating ... | 3 | 3 | [
{
"comment_id": "8122151",
"author": "Ralph Jerzy",
"timestamp": "2025-04-26T14:46:05",
"content": "Cool idea, with a bit higher res and a full circular ring vs an arch, this would be awesome. Sooner or later someone will take this idea and commercialize it for anyone to purchase, like the POV fans ... | 1,760,371,564.970233 | ||
https://hackaday.com/2025/04/25/posthumous-composition-being-performed-by-the-composer/ | Posthumous Composition Being Performed By The Composer | Seth Mabbott | [
"Art",
"Musical Hacks",
"Science"
] | [
"experimental music",
"neurons",
"organoids",
"stem cells"
] | Alvin Lucier was an American experimental composer whose compositions were arguably as much science experiments as they were music. The piece he is best known for,
I Am Sitting in a Room,
explored the acoustics of a room and what happens when you amplify the characteristics that are imparted on sound in that space by r... | 15 | 11 | [
{
"comment_id": "8121864",
"author": "Lightislight",
"timestamp": "2025-04-25T11:13:54",
"content": "Long live Alvin Lucier. Hopefully his mastery of chaotic acoustics goes for many years.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8121874",
"aut... | 1,760,371,565.027241 | ||
https://hackaday.com/2025/04/25/clicksprings-experimental-archaeology-concentric-thin-walled-tubing/ | Clickspring’s Experimental Archaeology: Concentric Thin-Walled Tubing | Dan Maloney | [
"Misc Hacks"
] | [
"antikythera",
"antiquity",
"boring",
"lapping",
"lathe",
"machining",
"polishing",
"reaming",
"rouge"
] | It’s human nature to look at the technological achievements of the ancients — you know, anything before the 1990s — and marvel at how they were able to achieve precision results in such benighted times. How could anyone create a complicated mechanism without the aid of CNC machining and computer-aided design tools? Cle... | 32 | 10 | [
{
"comment_id": "8121847",
"author": "Barnaby Relph",
"timestamp": "2025-04-25T09:37:03",
"content": "Very odd – that’s an unlisted video – it’s been up over 2 weeks with only a few hundred views.Fascinating content – getting that close of a fit with such manual methods is quite incredible",
"pa... | 1,760,371,565.347754 | ||
https://hackaday.com/2025/04/24/adding-an-atari-joystick-port-to-thec64-usb-joystick/ | Adding An Atari Joystick Port To TheC64 USB Joystick | Lewin Day | [
"Retrocomputing"
] | [
"9-pin",
"C64 mini",
"commodore 64",
"thec64"
] | “TheC64” is a popular recreation of the best selling computer of all time, the original Commodore 64. [10p6] enjoys hacking on this platform, and recently whipped up a new mod —
adding a 9-pin Atari joystick connector for convenience
.
When it comes to TheC64 units, they ship with joysticks that
look
retro, but aren’t.... | 1 | 1 | [
{
"comment_id": "8121818",
"author": "10p6",
"timestamp": "2025-04-25T06:36:51",
"content": "Hi. Note that when I made this video, I had no idea that the other one had been done. Also, unlike the other one, this adds power to the port, so as seen in the video, it supports wireless adapters too, an... | 1,760,371,565.387575 | ||
https://hackaday.com/2025/04/24/llms-coming-for-a-dna-sequence-near-you/ | LLMs Coming For A DNA Sequence Near You | Navarre Bartz | [
"Artificial Intelligence"
] | [
"artificial intellegence",
"biohacking",
"biology",
"CRISPR",
"LLM",
"machine learning",
"synthetic biology"
] | While tools like CRISPR have blown the field of genome hacking wide open, being able to predict what will happen when you tinker with the code underlying the living things on our planet is still tricky. Researchers at Stanford hope their new
Evo 2 DNA generative AI tool can help
.
Trained on a dataset of over 100,000 o... | 16 | 5 | [
{
"comment_id": "8121782",
"author": "Ostracus",
"timestamp": "2025-04-25T02:06:56",
"content": "Oh boy, those “hallucinations” are going to be so much fun.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8121866",
"author": "Sammy",
"timestam... | 1,760,371,565.437427 |
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