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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2025/02/07/when-ignoring-spam-loses-you-an-ice-surfacer-patent/ | When Ignoring Spam Loses You An Ice Surfacer Patent | Donald Papp | [
"News"
] | [
"ice",
"patents",
"skating rink",
"spam",
"zamboni"
] | Bear with us for a moment for a little background. The Rideau Canal Skateway in Ottawa is the world’s largest natural skating rink, providing nearly 8 km of pristine ice surface during the winter. But maintaining such a large ice surface is a challenge. A regular Zamboni can’t do it; the job is just too big. So the sol... | 47 | 10 | [
{
"comment_id": "8095320",
"author": "ben",
"timestamp": "2025-02-07T21:26:15",
"content": "Its sees a little odd that someone decided it was worth patenting a one-off machine invented specifically for the demands of the world’s-largest-X. How many machines do you hope to sell/collect royalties, to ... | 1,760,371,645.102865 | ||
https://hackaday.com/2025/02/07/growing-a-gallium-arsenide-laser-directly-on-silicon/ | Growing A Gallium-Arsenide Laser Directly On Silicon | Maya Posch | [
"Science"
] | [
"gallium arsenide",
"laser",
"semiconductor"
] | As great as silicon is for semiconductor applications, it has one weakness in that using it for lasers isn’t very practical. Never say never though, as it turns out that you can now
grow lasers directly on the silicon
material. The most optimal material for solid-state lasers in photonics is gallium-arsenide (GaAs), bu... | 10 | 4 | [
{
"comment_id": "8095312",
"author": "Rock Erickson",
"timestamp": "2025-02-07T20:59:23",
"content": "How can you even do reaseach on semiconductor manufacturing those times? All of the equipment is at fabs which are guarded by heavily-armed private security. They’re not going to let some university... | 1,760,371,644.702742 | ||
https://hackaday.com/2025/02/07/hack-on-self-quest-system-basics/ | Hack On Self: Quest System Basics | Arya Voronova | [
"Hackaday Columns",
"News"
] | [] | Whenever I play an RPG, whether it’s Fallout or Cyberpunk 2077, I complete every single quest available to me. The quests grab my attention in an unprecedented way – doesn’t hurt that there’s rewards and progression markers attached. Of course, these systems are meticulously designed to grab attention, making sure you ... | 7 | 6 | [
{
"comment_id": "8095255",
"author": "shinsukke",
"timestamp": "2025-02-07T18:35:48",
"content": "Great article as always Arya. I have noticed that you and I often share similar objectives but take very different approaches.I have noticed that I am very good at completing things when I have someone ... | 1,760,371,644.845415 | ||
https://hackaday.com/2025/02/07/hackaday-podcast-episode-307-cnc-tattoos-the-big-chill-in-space-and-pcb-things/ | Hackaday Podcast Episode 307: CNC Tattoos, The Big Chill In Space, And PCB Things | Al Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | The answer is: Elliot Williams, Al Williams, and a dozen or so great hacks. The question? What do you get this week on the Hackaday podcast? This week’s hacks ran from smart ring hacking, to computerized tattoos. Keyboards, PCBs, and bicycles all make appearances, too.
Be sure to try to guess the “What’s that sound?” ... | 3 | 2 | [
{
"comment_id": "8095318",
"author": "Joseph C Hopfield",
"timestamp": "2025-02-07T21:13:49",
"content": "Back-pedal shifting goes back more than 100 years, but only one chain.(You almost certainly also don’t understand how back pedal braking works either, we’re just used to them)",
"parent_id":... | 1,760,371,644.656214 | ||
https://hackaday.com/2025/02/07/this-week-in-security-medical-backdoors-strings-and-changes-at-lets-encrypt/ | This Week In Security: Medical Backdoors, Strings, And Changes At Let’s Encrypt | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"backdoor",
"let's encrypt",
"mirai",
"This Week in Security"
] | There are some interesting questions afoot, with the news that
the Contec CMS8000 medical monitoring system has a backdoor
. And this isn’t the normal debug port accidentally left in the firmware. The
CISA PDF
has all the details, and it’s weird. The device firmware attempts to mount an NFS share from an IP address own... | 12 | 4 | [
{
"comment_id": "8095217",
"author": "Moi",
"timestamp": "2025-02-07T15:30:38",
"content": "Voila ce que c’est quand on confie la programmation et le codage du firmware a des macaques payés 2 bananes a l’heure……",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,371,644.799193 | ||
https://hackaday.com/2025/02/07/split-flap-clock-makes-a-nice-side-quest-in-larger-project/ | Split-Flap Clock Makes A Nice Side Quest In Larger Project | Dan Maloney | [
"clock hacks"
] | [
"hall effect",
"NXP K22",
"rtc",
"split flap",
"stepper"
] | Sometimes projects spawn related projects that take on a life of their own. That’s OK, especially when the main project is large and complex, In that case, side-quest projects provide a deliverable that can help keep the momentum of the whole project going. The mojo must flow, after all.
That seems to be what’s going o... | 2 | 2 | [
{
"comment_id": "8095180",
"author": "Erich Styger",
"timestamp": "2025-02-07T13:24:19",
"content": "Thanks for the review! Actually the larger display with 64 split-flaps is using one MCU with some shift registers. You can see the state of the build at the start of the year in my other article:http... | 1,760,371,645.03367 | ||
https://hackaday.com/2025/02/07/quix-furniture-for-modular-furniture-fun/ | Quix Furniture For Modular Furniture Fun | Navarre Bartz | [
"home hacks"
] | [
"furniture",
"gridbeam",
"modular",
"modular design",
"Open Structures",
"QUIX"
] | If you’re someone who moves a lot, or just likes to change your decor, the limitations of conventional furniture can be a bit of a pain. Why not build your furniture modularly,
so it can change with you
?
QUIX is a modular building system designed for furnishings developed by [Robert Kern]. Giving people the ability to... | 19 | 8 | [
{
"comment_id": "8095150",
"author": "Jelle",
"timestamp": "2025-02-07T11:50:19",
"content": "Mostly a designers wet dream? Somehow making X that does not need Y has a lot of appeal, but it the result is not very nice/beautiful/useful. There are lots of designs that offer reconfigure ability without... | 1,760,371,644.949873 | ||
https://hackaday.com/2025/02/06/rc-cars-with-first-person-video-all-with-an-esp32/ | RC Cars With First Person Video, All With An ESP32 | Jenny List | [
"Microcontrollers",
"Toy Hacks"
] | [
"ESP32-CAM",
"first person video",
"remote control"
] | Those little ESP32-CAM boards which mate the WiFi-enabled microcontroller with a small parallel-interface camera module have been with us for years, and while they are undeniably cool to play with, they sometimes stretch the available performance in trying to process and stream video. [Mattsroufe] has made a very cool ... | 8 | 5 | [
{
"comment_id": "8094978",
"author": "unochepassa",
"timestamp": "2025-02-07T06:49:46",
"content": "Ten year ago I did something very similar with a Raspberry Pi . The purpose was checking the cats when I was not home (hence the name: the cat lurker). It was self contained and, through a VPN, usable... | 1,760,371,644.744738 | ||
https://hackaday.com/2025/02/06/solid-tips-for-designing-assistive-technology-or-anything-else-really/ | Solid Tips For Designing Assistive Technology (Or Anything Else, Really) | Donald Papp | [
"how-to",
"News"
] | [
"assistive",
"design",
"tips"
] | Do you make things, and have you got almost ten minutes to spare? If not, make the time because
this video by [PrintLab] is chock-full of healthy and practical design tips
. It’s about effective design of Assistive Technology, but the design concepts extend far beyond that scope.
It’s about making things that are not j... | 8 | 2 | [
{
"comment_id": "8094951",
"author": "CHRIS",
"timestamp": "2025-02-07T03:41:21",
"content": "A while ago I participated in the Aging Innovation Challenge. The prompt was to design assistive devices to help aging individuals remain in their homes for longer through self reliance.Our device ended up ... | 1,760,371,644.996111 | ||
https://hackaday.com/2025/02/06/t1-is-a-risc-v-cray/ | T1 Is A RISC-V Cray | Al Williams | [
"FPGA",
"Microcontrollers"
] | [
"RISC-V",
"vector processing",
"vector processor"
] | The crux of most supercomputers is the ability to operate on many pieces of data at once — something video cards are good at, too. Enter
T1
(short for Torrent-1), a RISC-V vector inspired by the Cray X1 vector machine.
T1 has support for features, including lanes and chaining. The chip contains a version of the Rocket ... | 16 | 3 | [
{
"comment_id": "8094879",
"author": "Ray",
"timestamp": "2025-02-07T00:22:44",
"content": "“Everything is bare-metal, too, so leave your favorite development tools at home.”Espressif ESP chips were a P.I.T.A. until the core for Arduino was written. Sure, big shops could afford the expensive tool$, ... | 1,760,371,644.897506 | ||
https://hackaday.com/2025/02/06/running-doom-on-an-apple-lightning-to-hdmi-adapter/ | Running Doom On An Apple Lightning To HDMI Adapter | Maya Posch | [
"Mac Hacks"
] | [
"Apple Lightning",
"doom"
] | As a general rule of thumb, anything that has some kind of display output and a processor more beefy than an early 90s budget PC can run Doom just fine. As [John] AKA [Nyan Satan]
demonstrates in a recent video
, this includes running the original Doom on an Apple Lightning to HDMI Adapter. These adapters were required... | 26 | 6 | [
{
"comment_id": "8094864",
"author": "lightislight",
"timestamp": "2025-02-06T23:39:10",
"content": "Wow. Sometimes I wonder if we’re taking this a little far. Then I am reminded, we must keep going.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8094959",
... | 1,760,371,645.394897 | ||
https://hackaday.com/2025/02/06/a-great-use-for-ai-wasting-scammers-time/ | A Great Use For AI: Wasting Scammers Time! | Al Williams | [
"Artificial Intelligence",
"Security Hacks"
] | [
"ai",
"chatbot",
"phone scammers"
] | We may have found the killer app for AI. Well, actually, British telecom provider O2 has.
As The Guardian
reports, they have an AI chatbot that acts like a 78-year-old grandmother and receives phone calls. Of course, since the grandmother—Daisy, by name—doesn’t get any real phone calls, anyone calling that number is pr... | 63 | 22 | [
{
"comment_id": "8094703",
"author": "Jan Prägert",
"timestamp": "2025-02-06T18:47:52",
"content": "Hello, this is Lenny!https://www.youtube.com/watch?v=vWrkDOt_IfM(Alles kommt zurück, auch Hosen mit Schlag.)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "80... | 1,760,371,645.917623 | ||
https://hackaday.com/2025/02/06/lorentz-cannon-fires-lightning/ | Lorentz Cannon Fires Lightning | Al Williams | [
"High Voltage"
] | [
"lightning gun",
"marx generator",
"plasma gun"
] | [Editor’s note: This video disappeared, but
it has been archived here.
We’re leaving the original links as-were in case they come back up.]
The aptly named [LightingOnDemand] has created a
Lorentz cannon
that can fire a lightning bolt. Honestly, as you can see in the video below, it looks like something from a bad 1950... | 29 | 18 | [
{
"comment_id": "8094676",
"author": "dudefromthenorth",
"timestamp": "2025-02-06T17:38:42",
"content": "“video is private”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8094678",
"author": "anon",
"timestamp": "2025-02-06T17:39:22",
... | 1,760,371,645.797863 | ||
https://hackaday.com/2025/02/06/how-do-we-deal-with-microplastics-in-the-ocean/ | How Do We Deal With Microplastics In The Ocean? | Lewin Day | [
"Current Events",
"Featured",
"Science",
"Slider"
] | [
"cellulose",
"chitin",
"foam",
"microplastics",
"ocean",
"plastic",
"science"
] | Like the lead paint and asbestos of decades past, microplastics are the new awful contaminant that we really ought to do something about. They’re particularly abundant in the aquatic environment, and that’s not a good thing. While we’ve all seen heartbreaking photos of beaches strewn with water bottles and fishing nets... | 47 | 20 | [
{
"comment_id": "8094598",
"author": "Rock Erickson",
"timestamp": "2025-02-06T15:10:39",
"content": "We could build a truly massive parallel facility of centrifugae (say the size of Los Santos) that would remove microplastics leaving behind water. It could also be used to extract minute quantities ... | 1,760,371,646.245725 | ||
https://hackaday.com/2025/02/06/lorem-ipsum-36-dolor-sit-amet-keyboard/ | Lorem Ipsum 36? Dolor Sit Amet Keyboard! | Kristina Panos | [
"Peripherals Hacks",
"Raspberry Pi"
] | [
"Gateron LP switches",
"low-profile",
"monoblock split",
"raspberry pi",
"rp2040",
"split keyboard"
] | You know, it’s a tale as old as custom mechanical keyboards. [penkia] couldn’t find any PCBs with 36 keys and Gateron low-profile switch footprints,
so they made their own and called it the LoremIpsum36
. Isn’t it lovely?
This baby runs on an RP2040, which sits flush as can be in a cutout in the PCB. This maneuver, alo... | 9 | 2 | [
{
"comment_id": "8094537",
"author": "strawberrymortallyb0bcea48e7",
"timestamp": "2025-02-06T12:15:39",
"content": "Might as well go split colemak if you put this much effort in.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8094558",
"author": "Sykobee"... | 1,760,371,645.532884 | ||
https://hackaday.com/2025/02/06/a-tube-the-wooden-kind/ | A Tube, The Wooden Kind | Al Williams | [
"Tool Hacks"
] | [
"dowel",
"woodworking"
] | While we aren’t heavy-duty woodworkers, we occasionally make some sawdust as part of a project, and we admire people who know how to make wood and do what they want. We were surprised when [Newton Makes] showed
a wooden dowel
that was quite long and was mostly hollow. The wall was thin, the hole was perfectly centered,... | 21 | 12 | [
{
"comment_id": "8094517",
"author": "Jannie",
"timestamp": "2025-02-06T11:00:37",
"content": "Gluing two halves together hardly counts as “Drilling holes”. But clickbait titles aside it will functionally be very strong.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,371,645.644616 | ||
https://hackaday.com/2025/02/05/this-thermometer-rules/ | This Thermometer Rules! | Jenny List | [
"ATtiny Hacks",
"PCB Hacks"
] | [
"attiny85",
"PCB ruler",
"thermometer"
] | A PCB ruler is a common promotional item, or design exercise. Usually they have some sample outlines and holes as an aid to PCB design, but sometimes they also incorporate some circuitry. [Clovis Fritzen] has given us an ingenious example, in the form of
a PCB ruler with a built-in thermometer
.
This maybe doesn’t have... | 9 | 5 | [
{
"comment_id": "8094543",
"author": "Mandlebrot",
"timestamp": "2025-02-06T12:26:53",
"content": "Neat enough as a project. Some component slimming/simplification:ATtiny chips have a built in voltage reference at ~1.1 v – you can measure that versus the unknown supply and find the supply (battery) ... | 1,760,371,645.6871 | ||
https://hackaday.com/2025/02/05/breaking-usps-halts-inbound-packages-from-china-and-hong-kong-posts/ | Breaking: USPS Halts Inbound Packages From China And Hong Kong Posts | Tom Nardi | [
"News",
"Parts"
] | [
"china",
"import",
"parts",
"tariff"
] | Update
: The USPS has now resumed acceptance of inbound packages from China. According to the updated Service Alert, they are currently working with Customs and Border Protection to “implement an efficient collection mechanism for the new China tariffs.’
Some troubling news hit overnight as the United States Post Offic... | 104 | 20 | [
{
"comment_id": "8094190",
"author": "Cs",
"timestamp": "2025-02-05T12:06:41",
"content": "Can’t they just pass on the duty payments to the customer like in China – EU trade?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8094191",
"author": "davedar... | 1,760,371,646.151083 | ||
https://hackaday.com/2025/02/05/how-3d-printing-helps-bring-uss-cod-memorial-to-life/ | How 3D Printing Helps Bring USSCodMemorial To Life | Tom Nardi | [
"Parts"
] | [
"preservation",
"replacement parts",
"warship",
"WW2"
] | The USS
Cod
is a
Gato
-class submarine that saw combat in the Second World War and today operates as a museum ship in Cleveland, Ohio. While many other surviving WWII-era subs were cut into pieces or otherwise modified for public display,
Cod
is notable for being intact and still in her wartime configuration. It’s cons... | 3 | 1 | [
{
"comment_id": "8094382",
"author": "David",
"timestamp": "2025-02-05T20:47:24",
"content": "Absolutely fascinating. I remember visiting a submarine museum in the UK many years ago, and touring a similar WWII-era diesel-electric boat, and marveling at how a large crew could operate in such a confin... | 1,760,371,646.009054 | ||
https://hackaday.com/2025/02/04/custom-pcb-is-a-poor-mans-pick-and-place/ | Custom PCB Is A Poor Man’s Pick And Place | Dan Maloney | [
"PCB Hacks",
"Tool Hacks"
] | [
"jig",
"KiCAD",
"smd components"
] | Surface mount devices have gotten really small, so small that a poorly timed sneeze can send your 0603 and 0402 parts off to live with the dust motes lurking at the edge of your bench. While soldering such parts is a challenge, it’s not always size that matters. Some parts with larger footprints can be a challenge beca... | 8 | 4 | [
{
"comment_id": "8094155",
"author": "Cody",
"timestamp": "2025-02-05T08:54:33",
"content": "If the parts don’t align themselves when they reflow, then you probably didn’t use the right amount of solder paste or there is something wrong with the footprint.",
"parent_id": null,
"depth": 1,
... | 1,760,371,645.962985 | ||
https://hackaday.com/2025/02/04/the-lowest-effort-way-yet-to-make-3d-printed-lenses-clear/ | The Lowest-Effort Way Yet To Make 3D Printed Lenses Clear | Donald Papp | [
"3d Printer hacks"
] | [
"resin printing",
"transparent"
] | This technique shared by [Andy Kong] is for 3D printed lenses, but would probably be worth a shot for any resin prints that need to be made nice and clear.
The link to his post on X is here
, but we’ll summarize below.
It’s entirely possible to print lenses on a resin printer, but some amount of polishing is inevitable... | 30 | 12 | [
{
"comment_id": "8094015",
"author": "Ject",
"timestamp": "2025-02-05T03:34:18",
"content": "I love seeing all these 3D printing innovations. Genius!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8094043",
"author": "Gareth Alexander Baus",
"timestamp... | 1,760,371,646.313121 | ||
https://hackaday.com/2025/02/04/inside-project-delilah/ | Inside Project Delilah | Al Williams | [
"History"
] | [
"alan turing",
"encryption",
"SIGSALY"
] | The invention of the computer is a tricky thing to pinpoint. There were some early attempts that were not well known and some early attempts that were deliberately secret. [Alan Turing]’s efforts with Colossus were top secret for years, and while that work built on earlier efforts in Poland, [Turing] has as much claim ... | 13 | 4 | [
{
"comment_id": "8093970",
"author": "Joseph R.",
"timestamp": "2025-02-05T01:09:32",
"content": "The more I learn about Sir Turing, the more I respect the unbridled genius he was.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8094179",
"author": "H... | 1,760,371,646.366223 | ||
https://hackaday.com/2025/02/04/cyberbass-brings-bass-guitar-to-modern-era/ | Cyberbass Brings Bass Guitar To Modern Era | Bryan Cockfield | [
"Musical Hacks"
] | [
"bass",
"electric guitar",
"guitar",
"music",
"woodworking"
] | For better or worse, the fundamental design of guitars has remained familiar since they electrified around a century ago. A few strings, a fretboard, and a body of some sort will get you most of the way there for an acoustic guitar, with the addition of electromagnetic pickups and wiring for electric variants. However,... | 19 | 10 | [
{
"comment_id": "8093944",
"author": "Anonymous",
"timestamp": "2025-02-04T22:58:24",
"content": "Rose tinted memories of early YouTube and people grafting Kaoss Pads into guitars.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8093975",
"author": "Bill En... | 1,760,371,646.573649 | ||
https://hackaday.com/2025/02/04/what-is-the-hour-its-xvii-o-clock/ | What Is The Hour? It’s XVII O’ Clock | Kristina Panos | [
"clock hacks"
] | [
"Adafruit trinket",
"clock",
"LARPers",
"roman numerals",
"rtc",
"watch"
] | When live-action role playing, or LARPing, one must keep fully in tune with the intended era. That means no digital watches, and certainly no pulling out your fantastic rectangle from the future to find out if you’re late picking up the kid.
So what do you do when you’re LARPing at 2 PM, but you gotta be back at the so... | 18 | 6 | [
{
"comment_id": "8093884",
"author": "I Alone Possess The Truth",
"timestamp": "2025-02-04T19:50:57",
"content": "That’s period perfect alright, question is “What period?” It’s still an electronic watch. Why can’t I build a website with a similar display and access that with my phone? Alternative... | 1,760,371,646.426504 | ||
https://hackaday.com/2025/02/05/making-products-for-fun-and-probably-no-profit/ | Making Products For Fun And (Probably No) Profit | Navarre Bartz | [
"Business",
"Wearable Hacks"
] | [
"business",
"manufacturing",
"simone giertz"
] | If you’re like most makers, you have a few product ideas kicking about, but you may not have made it all the way to production of those things. If you’re thinking about making the leap, [Simone Giertz] recently discussed all the perils and pitfalls of the process
from idea to reality
.
The TLDR is that there’s a big di... | 25 | 7 | [
{
"comment_id": "8094503",
"author": "mtr",
"timestamp": "2025-02-06T07:45:10",
"content": "Beautiful! IMHO, it would largely benefit (in various ways) from diamonds and pozidriv ;) Look up “Wera diamond coated bits”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,646.63901 | ||
https://hackaday.com/2025/02/05/investigating-electromagnetic-magic-in-obsolete-machines/ | Investigating Electromagnetic Magic In Obsolete Machines | Bryan Cockfield | [
"hardware"
] | [
"analog",
"magnetic field",
"motor",
"position sensor",
"rotor",
"selsyn",
"synchro",
"transformer"
] | Before the digital age, when transistors were expensive, unreliable, and/or nonexistent, engineers had to use other tricks to do things that we take for granted nowadays. Motor positioning, for example, wasn’t as straightforward as using a rotary encoder and a microcontroller. There are a few other ways of doing this, ... | 15 | 8 | [
{
"comment_id": "8094437",
"author": "limroh",
"timestamp": "2025-02-06T00:30:26",
"content": "I think I have one of those as a satellite dish rotation motor.It’s not in use but I took apart the “remote” once and mostly saw just a bunch of windings in motor-like arrangement and concluded that it mus... | 1,760,371,646.728413 | ||
https://hackaday.com/2025/02/05/good-looking-hat-does-retro-displays-right/ | Good-Looking HAT Does Retro Displays Right | Kristina Panos | [
"Raspberry Pi"
] | [
"hat",
"HT16K33",
"LED driver",
"raspberry pi",
"raspberry pi hat"
] | Mick Jagger famously said that
you cain’t always get what you want
. But this is Hackaday, and we make what we want or can’t get. Case in point: [Andrew Tudoroi] is drawn to retro LEDs and wanted one of Pimoroni’s micro-LED boards pretty badly, but couldn’t get his hands on one.
You know how this ends — with [Andrew] d... | 2 | 1 | [
{
"comment_id": "8095308",
"author": "Drone",
"timestamp": "2025-02-07T20:52:00",
"content": "The Holtek HT16K33 LED/keyboard driver IC is at End Of Life (EOL) as of April 30, 2022. It is replaced by the HT16K33A with a release date of 31-March-2022. See here:https://www.holtek.com/webapi/168740/EOL... | 1,760,371,647.327045 | ||
https://hackaday.com/2025/02/05/floss-weekly-episode-819-session-its-all-abot-the-metadata/ | FLOSS Weekly Episode 819: Session, It’s All Abot The Metadata | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Deepseek",
"FLOSS Weekly"
] | This week,
Jonathan Bennett
talks Session and cryptocurrency skepticism with Kee Jefferys! Why fork Signal? How does Session manage to decentralize? And why the cryptocurrency angle? Listen to find out!
https://getsession.org/
https://github.com/oxen-io/
Did you know you can watch the live recording of the show right o... | 1 | 1 | [
{
"comment_id": "8095305",
"author": "Nikolai",
"timestamp": "2025-02-07T20:37:52",
"content": "He said today “Back to plastic!”",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,646.678906 | ||
https://hackaday.com/2025/02/05/investigating-why-animals-sleep-from-memory-sorting-to-waste-disposal/ | Investigating Why Animals Sleep: From Memory Sorting To Waste Disposal | Maya Posch | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"drosophila melanogaster",
"sleep"
] | What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human animals know from experience that we need to sleep, and that the longer we go without it, the worse we feel. Chronic sleep-deprivation is known to be even fatal. Yet exactly why do we need sleep? To re... | 20 | 8 | [
{
"comment_id": "8094380",
"author": "Ostracus",
"timestamp": "2025-02-05T20:44:47",
"content": "7-9, but I believe there’s a group that can get along fine on five or less without ill effect.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8094413",
"... | 1,760,371,647.078092 | ||
https://hackaday.com/2025/02/05/hacking-the-22e-ble-sr08-smart-ring-with-built-in-display/ | Hacking The 22€ BLE SR08 Smart Ring With Built-In Display | Maya Posch | [
"Reverse Engineering"
] | [] | In the process of making everything ‘smart’, it would seem that rings have become the next target, and they keep getting new features. The ring that
[Aaron Christophel] got his mittens on is the SR08
, which appears to have been cloned by many manufacturers at this point. It’s got an OLED display, 1 MB Flash and a Rene... | 29 | 9 | [
{
"comment_id": "8094315",
"author": "Seth G",
"timestamp": "2025-02-05T17:52:01",
"content": "For the life of me, I don’t see what the attraction is to these devices (specifically “smart” rings). they seem completely impractical for anything useful.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,647.01586 | ||
https://hackaday.com/2025/02/05/what-happens-if-you-die-in-space/ | What Happens If You Die In Space? | Lewin Day | [
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"death",
"nasa",
"space"
] | There are no two ways about it—space will kill you if you give it half a chance. More than land, sea, or air, the space environment is entirely hostile to human existence. Precision-engineered craft are the bare minimum just to ensure human survival. Even still, between the vacuum, radiation, micrometeorites, and equip... | 51 | 19 | [
{
"comment_id": "8094274",
"author": "Observer",
"timestamp": "2025-02-05T15:31:31",
"content": "A thought-provoking article.“it would be considered incredibly poor form to contaminate another planet or moon in this way.”Says who, exactly? We’ve left dead machines on numerous bodies, not including... | 1,760,371,646.941001 | ||
https://hackaday.com/2025/02/03/more-details-on-why-deepseek-is-a-big-deal/ | More Details On Why DeepSeek Is A Big Deal | Donald Papp | [
"Artificial Intelligence",
"Machine Learning"
] | [
"ai",
"Deepseek",
"LLM",
"reasoning"
] | The DeepSeek large language models (LLM) have been making headlines lately, and for more than one reason.
IEEE Spectrum has an article that sums everything up very nicely
.
We shared the way
DeepSeek made a splash
when it came onto the AI scene not long ago, and this is a good opportunity to go into a few more details ... | 48 | 11 | [
{
"comment_id": "8093491",
"author": "Vik",
"timestamp": "2025-02-04T00:14:13",
"content": "I see a FLOSSAIatHome project in the making.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8093492",
"author": "Daniel Thomas Erickson",
"timestamp": "2025-02-... | 1,760,371,647.281976 | ||
https://hackaday.com/2025/02/03/communicating-with-satellites-like-its-1957/ | Communicating With Satellites Like It’s 1957 | Bryan Cockfield | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"contact",
"dual-band",
"ham radio",
"QSO",
"radio",
"repeater",
"satellite",
"uhf",
"VHF"
] | When the first artificial satellite, Sputnik, was put into orbit around Earth, anyone in the path of the satellite could receive the beeps transmitted by the satellite provided they had some simple radio equipment. Of course, there was no two-way communication with this satellite, and it only lasted a few weeks before ... | 12 | 4 | [
{
"comment_id": "8093474",
"author": "Cris",
"timestamp": "2025-02-03T22:46:45",
"content": "I made a dual band Yagi for this with a scrap wood boom, some aluminum elements (from a discarded aluminum power line), BNC connector, some old TV coax and a coil. Maybe not the best performance but sure was... | 1,760,371,647.190516 | ||
https://hackaday.com/2025/02/03/examining-the-vulnerability-of-large-language-models-to-data-poisoning/ | Examining The Vulnerability Of Large Language Models To Data-Poisoning | Maya Posch | [
"Artificial Intelligence"
] | [
"large language model"
] | Large language models (LLMs) are wholly dependent on the quality of the input data with which these models are trained. While suggestions that people eat rocks are funny to you and me, in the case of LLMs intended to help out medical professionals, any false claims or statements dripping out of such an LLM can have dir... | 23 | 11 | [
{
"comment_id": "8093386",
"author": "BrightBlueJim",
"timestamp": "2025-02-03T19:44:11",
"content": "A really good reason why LLMs should not be used in any application where they could put lives in danger. Also, the preponderance of “confident bull excrement” AND the simultaneous preponderance of... | 1,760,371,647.142596 | ||
https://hackaday.com/2025/02/03/keebin-with-kristina-the-one-with-the-keyboard-configurator/ | Keebin’ With Kristina: The One With The Keyboard Configurator | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"Bennett Junior",
"IBM Selectric",
"keyboard configurator",
"modular keyboard",
"pocket typewriter",
"VIK standard",
"wooden keyboard"
] | Have you ever wished you could experiment with different layouts super easily, just by adding or removing a few switches here and there and printing a new case? Well, [heyisjambo] says that it’s more than possible with
menura, the modular keyboard system
.
So many lovely options! Image by [heyisjambo] via
GitHub
[heyis... | 11 | 6 | [
{
"comment_id": "8093408",
"author": "Dave Boyer",
"timestamp": "2025-02-03T20:42:09",
"content": "Have you ever wished you could experiment with different layouts super easily, just by adding or removing a few switches here and there and printing a new case?No. My daily driver is a $15 A4Tech PS/2 ... | 1,760,371,647.418297 | ||
https://hackaday.com/2025/02/03/underwater-robotics-hack-chat/ | Underwater Robotics Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, February 5 at noon Pacific for the
Underwater Robotics Hack Chat
with Tony White!
Almost anywhere you look, there’s a good chance you can see a robot at work. Whether they’re sweeping your floors, delivering a snack, building a car, or even driving one, robots are everywhere on this planet. And si... | 2 | 2 | [
{
"comment_id": "8093366",
"author": "Notum",
"timestamp": "2025-02-03T18:41:42",
"content": "The answer is ultrasound.Oh, sorry, the chat hasn’t started yet.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8093385",
"author": "Paul",
"timestamp": "2025... | 1,760,371,647.364851 | ||
https://hackaday.com/2025/02/03/a-cordless-soldering-iron-with-a-difference/ | A Cordless Soldering Iron With A Difference | Jenny List | [
"Tool Hacks"
] | [
"microwave oven",
"silicon carbide",
"soldering iron"
] | Many decades ago, when soldering was an activity more often associated with copper fabrication than with electronics, a soldering iron would have been a large lump of copper on a shaft with a wooden handle. You would heat it in a gas flame, and use its pointed end for your soldering. Electric irons have made this a thi... | 38 | 16 | [
{
"comment_id": "8093324",
"author": "Greg A",
"timestamp": "2025-02-03T16:39:14",
"content": "hahaha i was thinking of using a bit of thin steel rod and a bic lighter for the ‘soldering iron to weld plastic’ trick, rather than gumming up the tip on my ‘real’ iron. but putting it in the microwave!!... | 1,760,371,647.49391 | ||
https://hackaday.com/2025/02/03/usb-hub-a-dub-dub-weird-edge-cases-are-my-ruin/ | USB Hub-A-Dub-Dub: Weird Edge Cases Are My Ruin | Lewin Day | [
"Featured",
"Interest",
"Misc Hacks"
] | [
"audio",
"error",
"livestream",
"streaming",
"usb"
] | The Universal Serial Bus. The one bus to rule them all. It brought peace and stability to the world of computer peripherals. No more would Apple and PC users have to buy their own special keyboards, mice, and printers. No more would computers sprout different ports for different types of hardware. USB was fast enough ... | 67 | 29 | [
{
"comment_id": "8093280",
"author": "Erik Johnson",
"timestamp": "2025-02-03T15:08:41",
"content": "Regarding the webcams, IIRC some don’t down sample on the device but always stream full data and let the software resample the selected dimensions so there is no effect/release of the bandwidth",
... | 1,760,371,647.698191 | ||
https://hackaday.com/2025/02/03/ble-rain-gauge-sips-water-and-batteries/ | BLE Rain Gauge Sips Water And Batteries | Al Williams | [
"Microcontrollers"
] | [
"ble",
"nRF5283",
"rain gauge"
] | It isn’t that hard to make an electronic rain gauge if you have a steady source of power or you don’t mind changing batteries often. But [Matthew Ford] offers a third option:
a simple device with a Bluetooth Low Energy (BLE) module that can get a few years of a pair of AA batteries
.
The approach has several advantages... | 24 | 9 | [
{
"comment_id": "8093138",
"author": "shinsukke",
"timestamp": "2025-02-03T12:13:01",
"content": "nRF chips are pretty much the best when you want BLE and low power even though I hate using their Zephyr based Connect SDK.Still Nordic chips are top notch.",
"parent_id": null,
"depth": 1,
... | 1,760,371,647.813159 | ||
https://hackaday.com/2025/02/03/stepper-motor-operating-principle-and-microstepping-explained/ | Stepper Motor Operating Principle And Microstepping Explained | Maya Posch | [
"Teardown"
] | [
"microstepping",
"stepper motor"
] | The [Denki Otaku] YouTube channel
took a look recently at some stepper motors
, or ‘stepping motors’ as they’re called in Japanese. Using a 2-phase stepper motor as an example, the stepper motor is taken apart and its components explained. Next a primer on the types and the ways of driving stepper motors is given, prov... | 14 | 6 | [
{
"comment_id": "8093124",
"author": "shinsukke",
"timestamp": "2025-02-03T10:28:30",
"content": "Actually a very decent explanation",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8093974",
"author": "𐂀 𐂅",
"timestamp": "2025-02-05T01:44:54... | 1,760,371,647.747624 | ||
https://hackaday.com/2025/02/02/do-dare-or-dont-getting-inked-by-a-3d-printer/ | Do, Dare Or Don’t? Getting Inked By A 3D Printer | Heidi Ulrich | [
"3d Printer hacks",
"News"
] | [
"3d print",
"3d printing",
"body modification",
"tattoo",
"tattoo gun"
] | This
unusual tattoo hack by [Emily The Engineer]
is not for the weak of heart, but let’s be frank: we kind of know her for that. And she gives out a warning, albeit
at a good 10 minutes in
, to not do this at home. What she’s about to do takes creativity and tech obsession to the next level: to transform a 3D printer i... | 19 | 11 | [
{
"comment_id": "8093061",
"author": "Sjaak",
"timestamp": "2025-02-03T06:53:11",
"content": "At least there is is an option to run a spelling/grammar checker or run in through some fancy AI before making it permanent.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,647.973974 | ||
https://hackaday.com/2025/02/02/how-the-main-frame-became-the-mainframe-an-etymological-dissertation/ | How The Main Frame Became The Mainframe: An Etymological Dissertation | Maya Posch | [
"History",
"Retrocomputing"
] | [
"etymology",
"mainframe"
] | In his most recent article, [Ken Shirriff] takes a break from putting ASICs under a microscope, and instead does the same
in a proverbial manner with the word ‘mainframe’
. Although these days the word ‘mainframe’ brings to mind a lumbering behemoth of a system that probably handles things like finances and other busin... | 12 | 6 | [
{
"comment_id": "8093060",
"author": "Ian",
"timestamp": "2025-02-03T06:53:06",
"content": "“…tended to consist out of multiple units”Should be“…tended to consist of multiple units”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8093074",
"author": "... | 1,760,371,647.866099 | ||
https://hackaday.com/2025/02/02/hackaday-links-february-2-2025/ | Hackaday Links: February 2, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"abduction",
"asteroid",
"boom",
"electron",
"hackaday links",
"IP bullying",
"kidnapping",
"nintendo",
"orbitals",
"quantum",
"Roadster",
"robot server",
"super mario",
"supersonic",
"tesla",
"test flight",
"wave function",
"XB-1"
] | All things considered, it was a very bad week for aviation here in the United States. Three separate crashes, two of which involved US military aircraft, have left over 70 people dead. We’ll spare you the details since there are plenty of other places to get news like that, but we did want to touch on one bright spot i... | 8 | 6 | [
{
"comment_id": "8092925",
"author": "Ostracus",
"timestamp": "2025-02-03T02:00:22",
"content": "Guess there were no porches nearby. Grab a bot instead.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8092932",
"author": "s",
"timestamp": "2025-02-03T02... | 1,760,371,647.91568 | ||
https://hackaday.com/2025/02/02/is-fire-conductive-enough-to-power-a-lamp/ | Is Fire Conductive Enough To Power A Lamp? | Maya Posch | [
"Science"
] | [
"fire",
"physics",
"physics demonstrations"
] | Is fire conductive? As ridiculous that may sound at first glance, from a physics perspective the rapid oxidation process we call ‘fire’ produces a lot of substances that can reduce the electrical insulating (dielectric) properties of air. Is this change enough to allow for significant current to pass? To test this, [Th... | 17 | 7 | [
{
"comment_id": "8092859",
"author": "Tim Andersson",
"timestamp": "2025-02-02T22:49:02",
"content": "Shocking thumbnail presenting some dude going at mains cables with a blowtorch means I won’t even bother to watch the video. To hell with Your Tube clickbaity earnings, I have better things to do.",... | 1,760,371,648.219751 | ||
https://hackaday.com/2025/02/02/giving-a-proprietary-power-supply-the-boot/ | Giving A Proprietary Power Supply The Boot | Al Williams | [
"computer hacks"
] | [
"atx power supply",
"SFF"
] | You’ve probably noticed that everywhere you go — the doctor’s office, hotels, or retail shops, there are tiny PCs everywhere. These small PCs often show up on the surplus market for a very good price, but they aren’t quite full-blown PCs. They usually have little option for expansion and are made to be cheap and small.... | 29 | 11 | [
{
"comment_id": "8092787",
"author": "Observer",
"timestamp": "2025-02-02T18:38:09",
"content": "I’m old enough to remember when an “HP” logo on a device mean you had purchased the very best–or at least one of the very best– of that piece of electronics gear.These days, the only ‘hack” better than ... | 1,760,371,648.084445 | ||
https://hackaday.com/2025/02/04/telling-time-used-to-be-a-ball/ | Telling Time Used To Be A Ball | Al Williams | [
"Hackaday Columns"
] | [
"navigation",
"time ball",
"timekeeping"
] | If you watch the New Year’s festivities from New York, you know that they mark midnight with the dropping of a big, gaudy ball. You might assume this was just an arbitrary gimmick, but it turns out dropping balls has a place in the history of timekeeping, especially for ships at sea. The New York ball doesn’t work prec... | 14 | 7 | [
{
"comment_id": "8093857",
"author": "AbraKadabra",
"timestamp": "2025-02-04T18:36:43",
"content": "Looks to be an excellent lightning rod.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8093868",
"author": "threeve",
"timestamp": "2025-02-04T19:11:56"... | 1,760,371,648.273035 | ||
https://hackaday.com/2025/02/04/freedesktop-and-alpine-linux-looking-for-new-hosting/ | Freedesktop And Alpine Linux Looking For New Hosting | Maya Posch | [
"News",
"Software Development"
] | [
"Alpine Linux",
"foss",
"Freedesktop"
] | A well-known secret in the world of open source software is that many projects rely on donated hosting for everything from their websites to testing infrastructure. When the company providing said hosting can no longer do so for whatever reason, it leaves the project scrambling for a replacement. This is what just happ... | 37 | 8 | [
{
"comment_id": "8093806",
"author": "Tom",
"timestamp": "2025-02-04T17:02:04",
"content": "Alpine is not a project you host lightly, with a monthly transfer of about 800TB.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8093809",
"author": "Tom",
... | 1,760,371,648.164926 | ||
https://hackaday.com/2025/02/04/a-closer-look-at-the-tanmatsu/ | A Closer Look At The Tanmatsu | Jenny List | [
"Current Events",
"Featured",
"handhelds hacks",
"Slider"
] | [
"badge.team",
"computer",
"handheld"
] | A few weeks ago
we brought you news of a new palmtop computer for hackers
, powered by the new Espressif ESP32-P4 application processor. The Tanmatsu (Japanese for “Terminal”) is a compact handheld device with a QWERTY keyboard and an 800×480 DSI display, and while it currently exists at the final prototype stage there... | 29 | 10 | [
{
"comment_id": "8093778",
"author": "Greg A",
"timestamp": "2025-02-04T16:03:46",
"content": "i’m just absolutely bewildered by the idea that hackaday will “hold them to” open source.i don’t have any reason to doubt the intent or follow through of badge.team. i expect it will be open source as muc... | 1,760,371,648.348774 | ||
https://hackaday.com/2025/02/04/homebrew-foil-and-oil-caps-change-your-guitars-tone/ | Homebrew Foil And Oil Caps Change Your Guitar’s Tone | Dan Maloney | [
"Musical Hacks",
"Parts"
] | [
"audio",
"capacitor",
"electric",
"guitar",
"low pass filter",
"paper",
"tone"
] | How any string instrument sounds depends on hundreds of factors; even the tiniest details matter. Seemingly inconsequential things like whether the tree that the wood came from grew on the north slope or south slope of a particular valley make a difference, at least to the trained ear. Add electronics into the mix, as ... | 47 | 17 | [
{
"comment_id": "8093679",
"author": "Commenter",
"timestamp": "2025-02-04T12:24:37",
"content": "I really do not understand why audio electronics are like this, it seems on one hand you have typical consumer grade electronics with all SMD construction on a multilayer PCB built and designed like any... | 1,760,371,648.578319 | ||
https://hackaday.com/2025/02/04/understanding-the-t12-style-soldering-iron-tip/ | Understanding The T12 Style Soldering Iron Tip | Maya Posch | [
"Teardown",
"Tool Hacks"
] | [
"soldering iron",
"t12"
] | Soldering irons and their tips come in a wide range of formats and styles, with the (originally Hakko) T12 being one of the more interesting offerings. This is because of how it integrates not only the tip and heating element, but also a thermocouple and everything else in a self-contained package. In a recent video [B... | 16 | 5 | [
{
"comment_id": "8093747",
"author": "Otter",
"timestamp": "2025-02-04T15:10:36",
"content": "Clive is a great creator. Fantastic to seem him featured here",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8093757",
"author": "Johan",
"timestamp": "2025-0... | 1,760,371,648.409222 | ||
https://hackaday.com/2025/02/03/the-clever-design-behind-everyday-traffic-poles/ | The Clever Design Behind Everyday Traffic Poles | Heidi Ulrich | [
"Engineering"
] | [
"engineering",
"light pole",
"roadside",
"Traffic Lights",
"traffic pole"
] | Ever stopped at a red light and noticed something odd about the poles holding up the traffic lights? Look closer next time—many of them appear to hover just above the concrete, anchored by visible bolts.
This video below explains it all
. It’s not a job left unfinished. It is actually clever design, and all about funct... | 32 | 9 | [
{
"comment_id": "8093578",
"author": "g0730n",
"timestamp": "2025-02-04T06:17:39",
"content": "Also if a car hits them its better if they just snap at the base",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8093717",
"author": "Panondorf",
"t... | 1,760,371,650.347491 | ||
https://hackaday.com/2025/02/03/bicycle-adds-reliability-with-second-chain/ | Bicycle Adds Reliability With Second Chain | Bryan Cockfield | [
"News",
"Transportation Hacks"
] | [
"bicycle",
"chain",
"drivetrain",
"freewheel",
"reliability",
"repair",
"shifting",
"two speed"
] | Ignoring the
International Cycling Union
‘s mostly arbitrary rules for what a bicycle is “supposed” to look like (at least if you want to race), there are actually reasons that the bicycling world has standardized around a few common parts and designs. Especially regarding the drivetrain, almost all bikes use a chain, ... | 71 | 18 | [
{
"comment_id": "8093548",
"author": "Paul",
"timestamp": "2025-02-04T03:36:39",
"content": "Interesting idea. I really wonder how well two chains will work: You need two exact lengths, they’ll stretch and wear differently, and sooner or later a chain will be thrown.And that plastic chain guard? H... | 1,760,371,650.583655 | ||
https://hackaday.com/2025/02/02/wearable-tech-tips-directly-from-the-queen/ | Wearable Tech Tips Directly From The Queen | Kristina Panos | [
"how-to",
"Wearable Hacks"
] | [
"beginner",
"Beginners",
"LED wearables",
"sewing",
"tips",
"Wearables"
] | What’s the only thing cooler than building something electronic? That’s right — wearing it proudly for all to see.
But maybe you’re not into wearables. Maybe it’s because you’re afraid of sewing, or simply scared that you won’t be able to launder that blinkenshirt you’ve always wanted to make. Well, the undisputed quee... | 8 | 4 | [
{
"comment_id": "8092751",
"author": "Curiosiate",
"timestamp": "2025-02-02T16:06:44",
"content": "Good tips – especially on conductive threads potential issues, for those who may not come from electronics engineering.Some more tips, to anyone making wearables, from my journeys.(p)Leather is certain... | 1,760,371,650.115663 | ||
https://hackaday.com/2025/02/02/custom-smartwatch-makes-diabetes-monitoring-easier-for-kids/ | Custom Smartwatch Makes Diabetes Monitoring Easier For Kids | Dan Maloney | [
"Medical Hacks",
"Wearable Hacks"
] | [
"ble",
"cgm",
"continuous glucose monitor",
"Dexcom",
"diabetes",
"ESP32-S3",
"smart watch",
"T1D",
"wearable"
] | Living with Type 1 diabetes is a numbers game. There’s not a moment in the day free from the burden of tracking your blood glucose concentration, making “What’s your number?” a constant question. Technology can make that question easier to ask and answer, but for T1D patients, especially the kids who the disease so oft... | 21 | 9 | [
{
"comment_id": "8092705",
"author": "Christoph",
"timestamp": "2025-02-02T13:15:46",
"content": "If the final goal is a commercial productt and not a “because I can” project, why not cooperate with a company that has experience in this area? E.g. Lilygo sells smartwatches with an espresssif chipset... | 1,760,371,650.684831 | ||
https://hackaday.com/2025/02/02/tiny-rc-four-wheeler-gets-chassis-upgrade-for-more-traction/ | Tiny RC Four-Wheeler Gets Chassis Upgrade For More Traction | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"3d printer",
"car",
"tamiya",
"toy car"
] | [Azpaca] purchased a fun little toy car from Tamiya, only… there was a problem. The little off-roader wasn’t up to scratch—despite its four-wheel-drive, it couldn’t get over rough ground to save its life. Thus, it was time to
3D-print a better chassis that could actually get through it!
The problem was quite obvious. W... | 9 | 6 | [
{
"comment_id": "8092679",
"author": "John",
"timestamp": "2025-02-02T11:14:17",
"content": "Nice work. But music choice for video is horrible there are some weird anime noises that make it hard to listen because interfering with talking.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,650.627609 | ||
https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/ | Inside A Vintage Oven Controlled Crystal Oscillator | Maya Posch | [
"Teardown"
] | [
"crystal oscillator",
"ocxo",
"oven controlled crystal oscillator"
] | Crystal oscillators are incredibly useful components, but they come with one little snag: their oscillation is temperature-dependent. For many applications the relatively small deviation is not a problem, but especially for precision instruments this is a deal breaker. Enter the oven controlled crystal oscillator, or O... | 8 | 1 | [
{
"comment_id": "8092647",
"author": "Cad the Mad",
"timestamp": "2025-02-02T08:26:53",
"content": "Wonderful teardown. I love seeing older electronics disassembled and analyzed.Story Time: My first job out of college we had a problem where a microcontroller in our prototype RF switch would start ha... | 1,760,371,650.163703 | ||
https://hackaday.com/2025/02/01/using-microwave-heating-to-locally-anneal-cnt-coated-fdm-prints/ | Using Microwave Heating To Locally Anneal CNT-Coated FDM Prints | Maya Posch | [
"3d Printer hacks"
] | [
"annealing",
"carbon nanotubes",
"FDM"
] | The CNT coating between the layers is heated with microwaves to locally anneal. (Credit: Sweeney et al., Science Adv., 2017)
Layer adhesion is one of the weak points with FDM 3D printing, with annealing often recommended as a post-processing step. An interestingly creative method for this was
published in
Science Advan... | 19 | 8 | [
{
"comment_id": "8092612",
"author": "Brutek",
"timestamp": "2025-02-02T05:27:18",
"content": "OR, place a layer of superglue between each layer (use screw-on plastic nozzles on a separate controlled extruder)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8... | 1,760,371,650.747058 | ||
https://hackaday.com/2025/02/01/could-non-planar-infill-improve-the-strength-of-your-3d-prints/ | Could Non-Planar Infill Improve The Strength Of Your 3D Prints? | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"non-planar",
"non-planar 3D printing",
"python",
"script",
"slicer"
] | When you’re spitting out G-Code for a 3D print, you can pick all kinds of infill settings. You can choose the pattern, and the percentage… but the vast majority of slicers all have one thing in common. They all print layer by layer, infill and all. What if there was another way?
There’s been a lot of chatter in the 3D ... | 24 | 10 | [
{
"comment_id": "8092370",
"author": "Paul",
"timestamp": "2025-02-02T00:59:45",
"content": "Unclear: How is this an improvement over (say) cubic infill, or even conventional gyroid?Really gotta make sure your travels avoid the infill mountains you create this way too.",
"parent_id": null,
"... | 1,760,371,650.414555 | ||
https://hackaday.com/2025/02/01/taking-a-15-casio-f91w-5000-meters-underwater/ | Taking A $15 Casio F91W 5,000 Meters Underwater | Maya Posch | [
"clock hacks"
] | [
"Casio F91W",
"submersible"
] | When considering our favorite spy movies and kin that involve deep-sea diving, we’d generally expect to see some high-end watch that costs thousands of dollars and is specially engineered to withstand the immense pressures kilometers below the ocean’s surface. Yet what about a humble Casio F91W that can be bought for a... | 42 | 7 | [
{
"comment_id": "8092275",
"author": "Tony Moncter",
"timestamp": "2025-02-01T21:21:42",
"content": "“a measly 4,950 km”Wut?? Picture shows meters not km",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8092284",
"author": "shinsukke",
"timesta... | 1,760,371,650.836528 | ||
https://hackaday.com/2025/02/01/redbox-in-the-80s-meet-the-vhs-vending-behemoth/ | RedBox In The 80s: Meet The VHS Vending Behemoth | Lewin Day | [
"History",
"home entertainment hacks"
] | [
"home video",
"VHS",
"video vendor"
] | Redbox was a company with a moderately interesting business model—it let you rent DVDs from automated kiosks. It’s an idea so simple it’s almost surprising it didn’t appear sooner. Only, it did—all the way back in the VHS age!
Meet the Video Vendor.
YouTuber [SpaceTime Junction] was able to track down one of these rare... | 18 | 6 | [
{
"comment_id": "8092209",
"author": "macsimski",
"timestamp": "2025-02-01T18:41:56",
"content": "thanks for the warning: vertical video…. Brrr. only good for skyscrapers, doors and people standing upright.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8092... | 1,760,371,650.468107 | ||
https://hackaday.com/2025/02/01/time-vs-money-3d-printer-style/ | Time Vs Money, 3D Printer Style | Elliot Williams | [
"3d Printer hacks",
"Hackaday Columns"
] | [
"3d printer",
"newsletter",
"open source",
"rants"
] | A few months ago, Hackaday’s own Al Williams convinced me to buy a couple of untested, returned-to-manufacturer 3D printers. Or rather, he convinced me to buy one, and the incredible success of the first printer spurred me on to the second. TL;DR: Lightning didn’t strike twice, but I’d still rate it as worth my time. T... | 28 | 15 | [
{
"comment_id": "8091937",
"author": "Smaxby",
"timestamp": "2025-02-01T15:11:34",
"content": "Please tell me, where is this magical place? My FrankEnder needs a friend… or a sacrificial parts donor.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8091938",
... | 1,760,371,650.907943 | ||
https://hackaday.com/2025/02/01/casio-calculator-gets-new-keyboard/ | Casio Calculator Gets New Keyboard | Al Williams | [
"handhelds hacks",
"Retrocomputing"
] | [
"calculator",
"casio",
"keyboard"
] | What do you do with a circa 1985 Casio FX-451 calculator with a bad keyboard? Well, if you are [Poking Technology], you transplant the inside of the calculator to
a new custom keyboard
. There are two videos that cover the process in detail, which you can watch below.
The calculator has a unique design. It looks like a... | 6 | 6 | [
{
"comment_id": "8091918",
"author": "Stephen",
"timestamp": "2025-02-01T12:33:34",
"content": "I had this very calculator during the 1980s. The solar panels relieved me of the tyranny of battery changes (and made it thinner) and the fold-out design was very efficient and easy to use, as opposed to ... | 1,760,371,650.9483 | ||
https://hackaday.com/2025/02/01/antique-style-gps-looks-like-steampunky-fun/ | Antique-Style GPS Looks Like Steampunky Fun | Lewin Day | [
"Microcontrollers"
] | [
"brass",
"gps",
"steampunk"
] | These days, turn-by-turn GPS navigation isn’t considered special anymore. It’s in every smartphone and most cheap rental cars, and thus everybody expects you to figure out where you’re going. If you want a simpler and less robust navigation experience,
you might like to try the rather fancy RadioScout
.
The RadioScout ... | 14 | 8 | [
{
"comment_id": "8091869",
"author": "olaf",
"timestamp": "2025-02-01T09:22:17",
"content": "The problem with this kind of things, they only looks good if you have one of them in your stylish apartment, but you only can build them if you have the experience and personality of someone who build many ... | 1,760,371,651.00961 | ||
https://hackaday.com/2025/01/31/a-new-case-and-keyboard-for-the-timex-sinclair-1000/ | A New Case And Keyboard For The Timex Sinclair 1000 | Lewin Day | [
"Retrocomputing"
] | [
"keyboard",
"mechanical keyboard",
"sinclair zx-81",
"Timex",
"timex sinclair 1000"
] | The Timex Sinclair 1000 was a sleek and compact machine, and the US counterpart to the more well-known Spectrum ZX-81. Timex may not have come to dominate the computer market, but the machine still has its fans today, with [skidlz] being one of them. That inspired them to craft a new case and keyboard for their beloved... | 10 | 4 | [
{
"comment_id": "8091851",
"author": "Joshua",
"timestamp": "2025-02-01T07:18:47",
"content": "Awseome! 😃The ZX81 may not have been as much of an popular toy computer as the C=64,but it was nice as a microcontroller with keyboard.It was cheap, small and black! It had many clones and it could be tin... | 1,760,371,651.054222 | ||
https://hackaday.com/2025/01/31/electroplating-diy-pcb-vias-at-home-without-chemical-baths/ | Electroplating DIY PCB Vias At Home Without Chemical Baths | Maya Posch | [
"chemistry hacks",
"PCB Hacks"
] | [
"diy pcb",
"electroplate",
"via"
] | Although DIY PCB making has made great strides since the early days of chemical etching, there’s one fly in the ointment: vias. These connect individual layers of the board with a conductive tube, and are essential for dual-layer PCBs, never mind boards with a larger layer stack. The industry standard way of producing ... | 20 | 6 | [
{
"comment_id": "8091821",
"author": "BrightBlueJim",
"timestamp": "2025-02-01T03:47:19",
"content": "It is unfortunate that [Levi Janssen] did not give details about why his prototype did not meet the performance of his proof of concept test. For my own use, I wouldn’t mind a less automatic soluti... | 1,760,371,651.125387 | ||
https://hackaday.com/2025/01/31/automating-the-process-of-drawing-with-chalk/ | Automating The Process Of Drawing With Chalk | Lewin Day | [
"Art"
] | [
"chalk",
"plotter",
"polar coordinates",
"robot",
"sidewalk"
] | Chalk is fun to draw with, and some people even get really good at using it to make art on the sidewalk. If you don’t like tediously developing such skills, though, you could go another route.
[MrDadVs] built a robot to scrawl chalk pictures for him
, and the results speak for themselves.
The robot is known as AP for r... | 15 | 10 | [
{
"comment_id": "8091785",
"author": "Preston Barnes",
"timestamp": "2025-02-01T01:29:56",
"content": "So freaking awesome!!!!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8091842",
"author": "DrewTheMachinist",
"timestamp": "2025-02-01T06:40:15",
... | 1,760,371,651.245819 | ||
https://hackaday.com/2025/01/30/forgotten-internet-giving-or-getting-the-finger/ | Forgotten Internet: Giving (or Getting) The Finger | Al Williams | [
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"finger",
"internet"
] | Hey, you know that guy in accounting, Marco? If you want to find out more about him, you’d probably go surf LinkedIn or maybe a social media site. Inside a company, you might look on instant messaging for a profile and even find out if he is at his desk or away. But back in the 1970s, those weren’t options. But if Marc... | 27 | 16 | [
{
"comment_id": "8090998",
"author": "BT",
"timestamp": "2025-01-30T15:24:43",
"content": "The command name always seemed too creepy to me!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8091016",
"author": "Joshua",
"timestamp": "2025-01-30T... | 1,760,371,651.313229 | ||
https://hackaday.com/2025/01/30/rgb-led-display-simply-solves-the-ping-pong-ball-problem/ | RGB LED Display Simply Solves The Ping-Pong Ball Problem | Donald Papp | [
"LED Hacks"
] | [
"decoration",
"diy",
"led strip",
"LED wall",
"LED. ping pong",
"table tennis"
] | A few years ago [Brian McCafferty] created a nice big
RGB LED panel in a poster frame
that aimed to be easy to move, program, and display. We’d like to draw particular attention to one of his construction methods. On the software end of things there are multiple ways to get images onto a DIY RGB panel, but his assembly... | 19 | 10 | [
{
"comment_id": "8090920",
"author": "iooner",
"timestamp": "2025-01-30T12:12:03",
"content": "I made it in 2020 :https://iooner.io/ping-pong-led-frame/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8090922",
"author": "Rastersoft",
"timestamp": "2025... | 1,760,371,651.479722 | ||
https://hackaday.com/2025/01/30/lessons-learned-when-restoring-an-amiga-1000/ | Lessons Learned, When Restoring An Amiga 1000 | Jenny List | [
"Retrocomputing"
] | [
"amiga",
"Amiga 1000",
"chip sockets"
] | In the mid 1980s, there was a rash of 16-bit computers entering the market. One of them stood head and shoulders above the rest: Commodore’s Amiga 1000. It had everything that could reasonably be stuffed into a machine of the period, and multimedia capabilities the rest wouldn’t catch up on for years. [Celso Martinho] ... | 10 | 5 | [
{
"comment_id": "8090921",
"author": "Tuco",
"timestamp": "2025-01-30T12:12:14",
"content": "“One of them stood head and shoulders above the rest”Amiga ? seriously ?How about the Heathkit H-11 ?It was a 16 bit machine that ran off the DEC LSI-11 cpu.You could run all the PDP-11 libraries on it.",
... | 1,760,371,651.779979 | ||
https://hackaday.com/2025/01/29/inside-vacuum-fluorescent-displays/ | Inside Vacuum Fluorescent Displays | Al Williams | [
"Misc Hacks"
] | [
"vacuum fluorescent display",
"vfd"
] | VFDs — vacuum fluorescent displays — have a distinctive look, and [Anthony Francis-Jones] is generally fascinated with retro displays. So, it makes sense that he’d
build a VFD project
as an excuse to explain how they work. You can see the video below.
VFDs are almost miniature CRTs. They are very flexible in what they ... | 2 | 2 | [
{
"comment_id": "8090887",
"author": "rnjacobs",
"timestamp": "2025-01-30T10:20:41",
"content": "I have no excuse, but I’d hoped it was someone talking about making VFDs from scratch",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8091149",
"author": "CityZ... | 1,760,371,651.518115 | ||
https://hackaday.com/2025/01/29/using-guanella-baluns-as-impedance-transformers/ | Using Guanella Baluns As Impedance Transformers | Maya Posch | [
"Radio Hacks"
] | [
"balun",
"transmission line transformer"
] | Guanella Impedance Transformer. (Credit: FesZ Electronics)
Even before entering the mystical realms of UHF design, radio frequency (RF) circuits come with a whole range of fun design aspects as well. A case in point can be found in transmission line transformers, which are commonly used in RF power amplifiers, with the... | 2 | 2 | [
{
"comment_id": "8091030",
"author": "I Alone Possess The Truth",
"timestamp": "2025-01-30T16:40:01",
"content": "The Gnutella Transformer is a marvelous thing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8092380",
"author": "Drone",
"timestamp": "2... | 1,760,371,651.565761 | ||
https://hackaday.com/2025/01/29/going-brushless-salvaging-a-dead-drill/ | Going Brushless: Salvaging A Dead Drill | Heidi Ulrich | [
"hardware",
"Teardown",
"Tool Hacks"
] | [
"3d print",
"brushless",
"brushless motor",
"drill",
"motor",
"salvaged electronics",
"salvaging"
] | Let’s face it—seeing a good tool go to waste is heartbreaking. So when his cordless drill’s motor gave up after some unfortunate exposure to the elements, [Chaz] wasn’t about to bin it. Instead, he embarked on a brave journey to breathe new life into the machine by
swapping its dying brushed motor for a sleek brushless... | 26 | 10 | [
{
"comment_id": "8090789",
"author": "Steven-X",
"timestamp": "2025-01-30T02:08:31",
"content": "I recently threw away an older black & decker corded drill that was “intermittent.” Found the connections on the switch was loose. I probably could have fired it, but I already have three newer drills pl... | 1,760,371,651.661802 | ||
https://hackaday.com/2025/01/29/taylorator-makes-mischief-on-the-airwaves/ | Taylorator Makes Mischief On The Airwaves | Tom Nardi | [
"Radio Hacks",
"Software Hacks"
] | [
"FM broadcast",
"LimeSDR mini",
"rf modulation",
"sdr",
"software-defined radio"
] | [Stephen] recently wrote in to share his
experiments with using the LimeSDR mini to conduct a bit of piracy on the airwaves
, and though we can’t immediately think of a legitimate application for spamming the full FM broadcast band simultaneously, we can’t help but be fascinated by the technique. Called the Taylorator,... | 33 | 16 | [
{
"comment_id": "8090714",
"author": "CQCQcwho",
"timestamp": "2025-01-29T21:24:31",
"content": "…and enter the Haminators to nerdsplain the moral and legal ramifications of why this should not be talked about….in 3…2…1",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,371,651.729825 | ||
https://hackaday.com/2025/01/30/the-jell-o-glow-tensegrity-toy-you-didnt-know-you-needed/ | The Jell-O Glow Tensegrity Toy You Didn’t Know You Needed | Heidi Ulrich | [
"Art",
"LED Hacks",
"Toy Hacks"
] | [
"adafruit",
"gravity",
"jell-o",
"led",
"led strand",
"levitation",
"NOODS",
"tensegrity"
] | If you’re looking to add a pop of glowing whimsy to your workspace, check out this
vibrant jiggly desk toy
by [thzinc], who couldn’t resist the allure of Adafruit’s NOODS LED strands. [thzinc]’s fascination with both glowing LEDs and levitating tensegrity designs led to an innovative attempt to defy gravity once again.... | 5 | 2 | [
{
"comment_id": "8091599",
"author": "Julianne",
"timestamp": "2025-01-31T14:06:52",
"content": "I wouldn’t have guessed that LED filaments can take any amount of tension on them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8091614",
"author": "Er... | 1,760,371,651.860909 | ||
https://hackaday.com/2025/01/30/patching-up-failing-hearts-with-engineered-muscle-tissue/ | Patching Up Failing Hearts With Engineered Muscle Tissue | Maya Posch | [
"Science"
] | [
"heart",
"stem cell"
] | As the most important muscle in our body, any serious issues with our heart are considered critical and reason for replacement with a donor heart. Unfortunately donor hearts are rather rare, making alternatives absolutely necessary, or at the very least a way to coax the old heart along for longer. A new method here se... | 3 | 2 | [
{
"comment_id": "8091400",
"author": "craig",
"timestamp": "2025-01-31T04:55:44",
"content": "“As the most important muscle in our body, any issues with our heart are considered critical and reason for replacement with a donor heart.”How about “someissues with the heart”There are many, many cardiac ... | 1,760,371,651.818433 | ||
https://hackaday.com/2025/01/30/copper-candle-burns-forever-just-add-fuel/ | Copper Candle Burns Forever… Just Add Fuel | Al Williams | [
"Misc Hacks"
] | [
"alcohol",
"copper candle"
] | [Zen Garden Oasis] wanted to heat and light a space using a candle. But candles aren’t always convenient since they burn down and, eventually, you must replace them. So he built
copper candles
using a common copper pipe and an old glass jar. Of course, the candle still takes fuel that you have to replace, but the candl... | 49 | 22 | [
{
"comment_id": "8091198",
"author": "css",
"timestamp": "2025-01-31T00:36:12",
"content": "Okay, I’ll be that guy… what makes this a candle and not, you know, a lamp?I mean, it’s a neat design for an alcohol burner lamp, but… isn’t it a lamp?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,652.018234 | ||
https://hackaday.com/2025/01/30/comparing-adhesives-for-gluing-petg-prints/ | Comparing Adhesives For Gluing PETG Prints | Maya Posch | [
"3d Printer hacks"
] | [
"PETG"
] | Testing every kind of glue with PETG, including wood glue. (Credit: Cosel, YouTube)
PETG is a pretty great material to print 3D models with, but one issue with it is that gluing it can be a bit of a pain. In a
recent video by [Cosel]
(German language, with English auto-dub) he notes that he found that with many adhesiv... | 31 | 12 | [
{
"comment_id": "8091147",
"author": "Yet Another Robert Smith",
"timestamp": "2025-01-30T21:22:31",
"content": "I do a lot of 3D printing using PETG, so this is very helpful. Many thanks for quality citizen science!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,371,651.931286 | ||
https://hackaday.com/2025/01/30/retrotechtacular-the-tyranny-of-large-numbers/ | Retrotechtacular: The Tyranny Of Large Numbers | Dan Maloney | [
"Retrotechtacular",
"Slider"
] | [
"automated manufacturing",
"bell",
"carbon film",
"precision",
"reliability",
"resistor",
"retrotechtacular",
"western electric"
] | Although much diminished now, the public switched telephone network was one of the largest machines ever constructed. To make good on its promise of instant communication across town or around the world, the network had to reach into every home and business, snake along poles to thousands of central offices, and hum th... | 3 | 2 | [
{
"comment_id": "8091116",
"author": "Andrew",
"timestamp": "2025-01-30T19:36:37",
"content": "They actually make only one resistor, then bin-sort them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8091145",
"author": "Eric",
"timestamp": "... | 1,760,371,652.05898 | ||
https://hackaday.com/2025/01/30/digital-paint-mixing-has-been-greatly-improved-with-1930s-math/ | Digital Paint Mixing Has Been Greatly Improved With 1930s Math | Lewin Day | [
"Art",
"Featured",
"Interest"
] | [
"art",
"color",
"color gamut",
"color mixing",
"paint",
"photoshop",
"rebelle",
"rgb"
] | You might not have noticed if you’re not a digital artist, but most painting and image apps still get color mixing wrong. As we all learned in kindergarten, blue paint and yellow paint makes green paint. Try doing that in Photoshop, and you’ll get something altogether different—a vague, uninspiring brownish-grey. It’s ... | 41 | 18 | [
{
"comment_id": "8091069",
"author": "IIVQ",
"timestamp": "2025-01-30T18:24:20",
"content": "My mom was an art teacher (and a formally trained artist) and did the arts class in my primary school, and only really late in life I realised that not everyone has had such an extensive knowledge of houw co... | 1,760,371,652.151644 | ||
https://hackaday.com/2025/01/30/a-1962-test-gear-teardown/ | A 1962 Test Gear Teardown | Al Williams | [
"Teardown"
] | [
"Boonton",
"q meter"
] | Although it sounds like some
Star Trek
McGuffin, a Q-Meter is a piece of test gear that measures the Q factor of a tuned circuit. [Thomas] got
a Boonton meter
from 1962 that wasn’t in very good shape, but it was a fun teardown, as you can see in the video below. The meter had signs of a prior modification or repair, bu... | 11 | 5 | [
{
"comment_id": "8091044",
"author": "DainBramage",
"timestamp": "2025-01-30T17:05:06",
"content": "I love vintage test gear, and used to have a modest collection of it in my shack. I was particularly fond of the old Hewlett-Packard stuff. My favorite piece was my HP 5245L frequency counter that I p... | 1,760,371,652.209389 | ||
https://hackaday.com/2025/01/31/why-not-build-your-quadcopter-around-an-evaluation-board/ | Why Not Build Your Quadcopter Around An Evaluation Board? | Lewin Day | [
"Misc Hacks"
] | [
"quadcopter",
"stm32"
] | Quadcopters are flying machines. Traditionally, that would mean you’d optimize the design for lightweight and minimum drag, and you’d do everything in a neat and tidy fashion. The thing is, brushless motors and lithium batteries are so power-dense that you really needn’t try so hard.
A great example of that is this bar... | 3 | 2 | [
{
"comment_id": "8092054",
"author": "Julia Longtin",
"timestamp": "2025-02-01T16:41:58",
"content": "I am sure whatever bored electrical engineer who had to design that development board to be as bland as possible… would get a kick out of seeing it flying around. :)",
"parent_id": null,
"de... | 1,760,371,652.255204 | ||
https://hackaday.com/2025/01/31/winter-proof-and-improve-your-resin-3d-printing/ | Winter-Proof (And Improve) Your Resin 3D Printing | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"curing",
"heater",
"resin",
"sla",
"tips",
"winterize"
] | Was your 3D printer working fine over the summer, and now it’s not? With colder temperatures comes an overall surge in print failure reports — particularly with resin-based printers that might reside in outbuildings, basements, or garages. If you think this applies to you, don’t miss [Jan Mrázek]’s
tips on improving co... | 5 | 4 | [
{
"comment_id": "8091758",
"author": "Cad the Mad",
"timestamp": "2025-01-31T23:14:22",
"content": "I am so glad to see something like this in text form instead of yet another video I have to sit through.Very in-depth and very informative. I haven’t had any failures this bad in a while, but I have h... | 1,760,371,652.347098 | ||
https://hackaday.com/2025/01/31/hackaday-podcast-episode-306-bambu-hacks-ai-strikes-back-john-deere-gets-sued-and-all-about-capacitors/ | Hackaday Podcast Episode 306: Bambu Hacks, AI Strikes Back, John Deere Gets Sued, And All About Capacitors | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | It was Dan and Elliot behind the microphones today for a transatlantic look at the week in hacks. There was a bucket of news about AI, kicked off by Deepseek suddenly coming into the zeitgeist and scaring the pants off investors for… reasons? No matter, we’re more interested in the tech anyway, such as a deep dive into... | 0 | 0 | [] | 1,760,371,652.300592 | ||
https://hackaday.com/2025/01/31/ancient-pocket-computer-gets-a-usb-c-upgrade/ | Ancient Pocket Computer Gets A USB-C Upgrade | Lewin Day | [
"Retrocomputing"
] | [
"dos",
"dos palmtop",
"palmtop",
"USB C"
] | Remember the ZEOS Pocket PC? Perhaps you knew it as the Tidalwave PS-1000. Either way, it was a small clamshell computing device that was first released all the way back in 1992, and perhaps most accurately known as a DOS-based palmtop.
Over at [Robert’s Retro] on YouTube
, one of these fine devices was put through a r... | 9 | 6 | [
{
"comment_id": "8091655",
"author": "Matthew Carlson",
"timestamp": "2025-01-31T17:19:41",
"content": "I had an HP-200LX as a kid and man I loved that thing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8091724",
"author": "Russel Brooks",
... | 1,760,371,652.47758 | ||
https://hackaday.com/2025/01/31/this-week-in-security-deepseeks-oopsie-ai-tarpits-and-apples-leaks/ | This Week In Security: DeepSeek’s Oopsie, AI Tarpits, And Apple’s Leaks | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Deepseek",
"speculative execution",
"Tarpits",
"This Week in Security"
] | DeepSeek has captured the world’s attention this week, with an unexpected release of the more-open AI model from China, for a reported mere $5 million training cost. While there’s lots of buzz about DeepSeek, here we’re interested in security. And
DeepSeek has made waves there
, in the form of
a ClickHouse database uni... | 8 | 5 | [
{
"comment_id": "8091638",
"author": "strawberrymortallyb0bcea48e7",
"timestamp": "2025-01-31T16:22:38",
"content": "The internet is already scraped, and models are bootstrapped.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8091643",
"author": "threeve",... | 1,760,371,652.52859 | ||
https://hackaday.com/2025/01/31/a-history-of-copper-pours/ | A History Of Copper Pours | Al Williams | [
"History",
"PCB Hacks"
] | [
"copper fill",
"copper pour",
"ground plane",
"pcb"
] | If you compare a modern PCB with a typical 1980s PCB, you might notice — like [lcamtuf] did — that newer boards tend to have large areas of copper known as pours instead of empty space between traces. If you’ve ever wondered why this is,
[lcamtuf] explains
.
The answer isn’t as simple as you might think. In some cases,... | 39 | 12 | [
{
"comment_id": "8091569",
"author": "deshipu",
"timestamp": "2025-01-31T12:04:13",
"content": "I mostly use pours to conserve the etching solution.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8091587",
"author": "Steven-X",
"timestamp": "... | 1,760,371,652.605854 | ||
https://hackaday.com/2025/01/31/handy-online-metric-screw-nut-and-washer-generator/ | Handy Online Metric Screw, Nut, And Washer Generator | Donald Papp | [
"hardware",
"Software Hacks"
] | [
"3d printed",
"3MF",
"fasteners",
"openscad",
"stl"
] | For those times when you could
really
use a quick 3D model,
this metric screw generator
will do the trick for screws between M2 and M16 with matching nuts and washers. Fastener hardware is pretty accessible, but one never knows when a 3D printed piece will hit the spot. One might even be surprised what can be usefully ... | 19 | 7 | [
{
"comment_id": "8091536",
"author": "CJay",
"timestamp": "2025-01-31T09:11:50",
"content": "There’s also a rather useful looking gearwheel generator by Jason too",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8091540",
"author": "sweethack",
"timestam... | 1,760,371,652.721122 | ||
https://hackaday.com/2025/01/29/floss-weekly-episode-818-i-dont-care-about-the-roman-empire/ | FLOSS Weekly Episode 818: I Don’t Care About The Roman Empire | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"Deepseek",
"FLOSS Weekly"
] | This week,
Jonathan Bennett
,
Doc Searls
, and
Jeff Massie
talk about Deepseek, technical solutions to Terms of Service abuse, and more!
Did you know you can watch the live recording of the show right on
our YouTube Channel
? Have someone you’d like us to interview? Let us know, or contact the guest and have them conta... | 5 | 3 | [
{
"comment_id": "8090764",
"author": "jbx",
"timestamp": "2025-01-30T00:18:44",
"content": "Then what about the aqueduct ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8090769",
"author": "Andrew",
"timestamp": "2025-01-30T00:58:22",
... | 1,760,371,652.653392 | ||
https://hackaday.com/2025/01/29/supercon-2024-joshua-wise-hacks-the-bambu-x1-carbon/ | Supercon 2024: Joshua Wise Hacks The Bambu X1 Carbon | Elliot Williams | [
"3d Printer hacks",
"cons",
"Featured",
"Slider"
] | [
"2024 Hackaday Superconference",
"Bambu X1",
"firmware",
"X1 Plus"
] | Bambu Labs have been in the news lately. Not because of the machines themselves, but because they are proposing a firmware change that many in our community find restricts their freedom to use their own devices.
What can be done? [Joshua Wise] gave a standout talk on the Design Lab stage at the 2024 Hackaday Superconfe... | 36 | 13 | [
{
"comment_id": "8090676",
"author": "targetdrone",
"timestamp": "2025-01-29T18:52:31",
"content": "Bambu Labs needs to tread more carefully. They are in a weird hobbyist marketplace. Unlike commonplace hardware like inkjets and laser printers, 3D printing is still not “mainstream enough”. A signif... | 1,760,371,652.804279 | ||
https://hackaday.com/2025/01/29/paper-tape-with-lasers/ | Paper Tape – With LASERs! | Jenny List | [
"Retrocomputing"
] | [
"laser cutter",
"paper tape",
"punch tape"
] | Though it is many decades since paper tape was commonly used as a data input or storage medium, it still holds a fascination for many who work with computers. Over the years we’ve featured more than one paper tape related project, and the latest to come out way is [ColemanJW2]’s
8-bit ASCII paper tape generator
.
It’s ... | 20 | 12 | [
{
"comment_id": "8090637",
"author": "Elliott",
"timestamp": "2025-01-29T16:41:12",
"content": "I have a script like this that generates punch cards for my 3d printed jacquard machine. I don’t really have a better way to do it, but man the time it takes to cut those holes adds up.",
"parent_id":... | 1,760,371,652.868184 | ||
https://hackaday.com/2025/01/29/cool-kinetic-sculpture-has-tooling-secrets-to-share/ | Cool Kinetic Sculpture Has Tooling Secrets To Share | Dan Maloney | [
"Art"
] | [
"art",
"cnc",
"coil",
"kinetic",
"solenoid",
"tooling",
"winding"
] | Occasionally, we get a tip for a project that is so compelling that we just have to write it up despite lacking details on how and why it was built. Alternatively, there are other projects where the finished product is cool, but the tooling or methods used to get there are the real treat.
“Homeokinesis,” a kinetic art ... | 8 | 6 | [
{
"comment_id": "8090591",
"author": "evelynmartin3022",
"timestamp": "2025-01-29T13:35:28",
"content": "Wow, this is so cool, the art installation looks amazing, and the custom CNC machine is impressive. this is video is awesome, I’d love to learn more about how it all works. thanks for the share."... | 1,760,371,652.969881 | ||
https://hackaday.com/2025/01/28/parcae-a-trio-of-spy-satellites/ | Parcae: A Trio Of Spy Satellites | Al Williams | [
"Space"
] | [
"parcae",
"spy satellite"
] | Did you ever hear of a satellite called Parcae (pronounced like park-eye)? If you haven’t, don’t feel bad—it was, after all, a top-secret project only revealed in July 2023. [Ivan Amato] not only heard about it, but also wrote a fascinating peek into the cloak-and-dagger world of
cold-war spy satellites
for this month’... | 10 | 7 | [
{
"comment_id": "8090348",
"author": "unochepassa",
"timestamp": "2025-01-29T07:17:00",
"content": "For more info, please check the mandatory link to the Gunter’s database (thanks!):https://space.skyrocket.de/doc_sdat/noss-1.htm",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,652.9244 | ||
https://hackaday.com/2025/01/28/transition-metal-dichalcogenides-super-conducting-super-capacitor-semiconductors/ | Transition-Metal Dichalcogenides: Super-Conducting, Super-Capacitor Semiconductors | Maya Posch | [
"Science"
] | [
"semiconductors",
"supercapacitors",
"superconductors"
] | Transition-metal dichalcogenides (
TMDs
) are the subject of an emerging field in semiconductor research, with these materials offering a range of useful properties that include not only semiconductor applications, but also in superconducting material research and in supercapacitors. A recent number of papers have been... | 3 | 2 | [
{
"comment_id": "8090460",
"author": "metalman",
"timestamp": "2025-01-29T10:33:09",
"content": "The secret sauce will be how to grow and package ,Transition-metal dichalcogenides (TMD’s), for each application.Supper caps need the highest possible surface area, per gram, and cm³ in order to be compe... | 1,760,371,653.017737 | ||
https://hackaday.com/2025/01/28/testing-at-scale/ | Testing At Scale | Al Williams | [
"Tool Hacks"
] | [
"pogo pins",
"Test jig",
"testing"
] | We’ve said it before: building one-offs is different from building at scale. Even on a small scale. There was a time when it was rare for a hobbyist to produce more than one of anything, but these days, access to cheap PC boards makes small production runs much more common. [VoltLog], for example, is selling some modul... | 15 | 8 | [
{
"comment_id": "8090267",
"author": "Tony Moncter",
"timestamp": "2025-01-29T02:04:40",
"content": "“semi-custom testing jib” should probably be “semi-custom testing jig”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8090269",
"author": "Andrew",
... | 1,760,371,653.072874 | ||
https://hackaday.com/2025/01/28/your-vax-in-a-cloud-is-ready/ | Your VAX In A Cloud Is Ready | Al Williams | [
"Retrocomputing"
] | [
"DEC",
"OpenVMS",
"vax",
"VMs"
] | For many people of a certain age, the DEC VAX was the first computer they ever used. They were everywhere, powerful for their day, and relatively affordable for schools and businesses. These minicomputers were smaller than the mainframes of their day, but bigger than what we think of as a computer today. So even if you... | 16 | 7 | [
{
"comment_id": "8090194",
"author": "Electronic Eel",
"timestamp": "2025-01-28T21:43:59",
"content": "“The machine is set up as a system of conferences organized in notebooks.”uh, what? Is this some kind of Newspeak?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,653.350528 | ||
https://hackaday.com/2025/01/28/keebin-with-kristina-the-one-with-the-diy-homing-keys/ | Keebin’ With Kristina: The One With The DIY Homing Keys | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"arduino",
"ball bearings",
"Cherry MX blues",
"F and J",
"homing keys",
"keeb girlies",
"photovoltaic",
"SAMD21",
"supercapacitor"
] | r/keebgirlies Is Totally a Thing Now
When [coral-bells] posted her first build to r/mechanicalkeyboards, she likely felt some trepidation. After all this is reddit we’re talking about, so right away you’ve got two layers of male-domination hobby.
Image by [coral-bells] via
reddit
What she likely didn’t expect was to be... | 42 | 8 | [
{
"comment_id": "8090101",
"author": "andy",
"timestamp": "2025-01-28T18:15:14",
"content": "umm wow this is what every week now?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8090104",
"author": "Matthew",
"timestamp": "2025-01-28T18:29:40"... | 1,760,371,653.298954 | ||
https://hackaday.com/2025/01/28/its-raining-from-the-bluesky/ | It’s Raining From The BlueSky | Kristina Panos | [
"Misc Hacks"
] | [
"BlueSky",
"digital rain",
"matrix digital rain",
"tweets"
] | Which would you rather feel? The blast of a fire hose, or a cool, digital rain? That’s what we thought. Introducing
Blue Rain
— the fire hose that is the BlueSky feed, falling semi-cryptically down your screen in Matrix-style letter droplets. Ahh, isn’t that nice?
Now, the rain doesn’t have to be blue. You can change t... | 15 | 10 | [
{
"comment_id": "8090112",
"author": "CJay",
"timestamp": "2025-01-28T18:54:18",
"content": "Skeet shooting is a thing ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8090168",
"author": "lol",
"timestamp": "2025-01-28T20:23:18",
"content": "Trot... | 1,760,371,653.471355 | ||
https://hackaday.com/2025/01/28/big-chemistry-catalysts/ | Big Chemistry: Catalysts | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Science",
"Slider"
] | [
"Big Chemistry",
"catalysis",
"catalysts",
"reactor",
"refining"
] | I was fascinated by the idea of
jet packs
when I was a kid. They were sci-fi magic, and the idea that you could strap into an oversized backpack wrapped in tinfoil and fly around was very enticing. Better still was when I learned that these things weren’t powered by complicated rockets but by plain hydrogen peroxide, w... | 19 | 11 | [
{
"comment_id": "8090050",
"author": "Owlman",
"timestamp": "2025-01-28T15:33:17",
"content": "We didn’t run to silver spoons in our house but potassium permanganate was in my chemistry set (those were the days). Home peroxide was way too dilute to be particularly spectacular, even if you scavenged ... | 1,760,371,653.415971 | ||
https://hackaday.com/2025/01/28/google-open-sources-pebbleos-new-pebble-device-in-development/ | Google Open Sources PebbleOS: New Pebble Device In Development | Maya Posch | [
"News"
] | [
"pebble",
"pebble watch"
] | The Pebble smartwatch was introduced in 2012 as part of a Kickstarter campaign and saw moderate success before the company behind it got bought out by Fitbit. Although a group of enthusiasts kept their Pebble devices alive, including via the alternate Rebble project for online services, it seemed that no new Pebble dev... | 35 | 12 | [
{
"comment_id": "8089991",
"author": "arturo182",
"timestamp": "2025-01-28T12:58:56",
"content": "E-paper is what Pebble has been calling the Memory LCD before, so I don’t think they’re changing from it, just using the same terminology.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,653.642315 | ||
https://hackaday.com/2025/01/28/a-little-pigment-helps-with-laser-glass-engraving/ | A Little Pigment Helps With Laser Glass Engraving | Dan Maloney | [
"Laser Hacks"
] | [
"cnc",
"engraving",
"glue",
"laser cutter",
"PVA",
"TiO2",
"titanium dioxide"
] | The range of materials suitable for even the cheapest laser cutter is part of what makes them such versatile and desirable tools. As long as you temper your expectations, there’s plenty of material to cut with your 40 watt CO
2
laser or at least engrave—just not glass; that’s a tough one.
Or is it? According to [rschoe... | 20 | 12 | [
{
"comment_id": "8089945",
"author": "Menno",
"timestamp": "2025-01-28T09:34:32",
"content": "“the TiO2 is the important part; it changes color when heated by the laser”So sunscreen or toothpaste might work too?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,371,653.725657 |
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