url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2025/10/07/building-a-diwheel-to-add-more-tank-controls-to-your-commute/ | Building A Diwheel To Add More Tank Controls To Your Commute | Maya Posch | [
"Transportation Hacks"
] | [
"diwheel",
"monowheel"
] | It’s often said that one should not reinvent the wheel, but that doesn’t mean that you cannot change how the use of said wheel should be interpreted. After initially taking the rather zany concept of a monowheel for a literal ride, [Sam Barker] decided to shift gears, did a ‘what if’ and slapped a second monowheel next... | 19 | 9 | [
{
"comment_id": "8189008",
"author": "purplepeopleated",
"timestamp": "2025-10-07T23:29:49",
"content": "“In “The Entity”, Mr. Garrison, tired of inefficient and frustrating airline check-ins, decides to invent his own vehicle. Inspired by watching singer Enrique Iglesias’ sexualized singing on TV a... | 1,760,371,403.085383 | ||
https://hackaday.com/2025/10/11/entering-the-wild-world-of-power-over-ethernet/ | Entering The Wild World Of Power Over Ethernet | Maya Posch | [
"Network Hacks"
] | [
"PoE",
"power over ethernet"
] | As Ethernet became the world-wide standard for wired networking, there was one nagging problem. You already have to plug in the network cable. But then you have to also plug in a power cable. That power cable needs to be long enough. And have the right plug on it for your country. And provide the right current and volt... | 41 | 5 | [
{
"comment_id": "8191269",
"author": "Gardoni",
"timestamp": "2025-10-11T20:29:32",
"content": "Is this AI-generated image? DC current won’t go through transformers, just heat them like it’s a big old resistor.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,402.848852 | ||
https://hackaday.com/2025/10/11/a-casio-toy-synth-is-ready-to-rock/ | A Casio Toy Synth Is Ready To ROCK! | Jenny List | [
"Musical Hacks",
"Toy Hacks"
] | [
"casio",
"synth",
"toy synth"
] | There is likely to be more than one of you who has eyed up a child’s toy synthesizer in a second hand store, and considered making something more impressive with it. In many cases these instruments are underwhelming, having a very small subset of functions based into their black-epoxy-blob microcontrollers.
[Make Somet... | 3 | 3 | [
{
"comment_id": "8191242",
"author": "echodelta",
"timestamp": "2025-10-11T19:33:48",
"content": "Lots of high definition work and then he goes for lo-fi sound, that’s when I stopped the vid. Hot glue and cardboard would suffice if I stay longer, good work otherwise.",
"parent_id": null,
"de... | 1,760,371,402.767817 | ||
https://hackaday.com/2025/10/11/easy-for-the-masses/ | Easy For The Masses | Elliot Williams | [
"Android Hacks",
"Hackaday Columns",
"Rants"
] | [
"android",
"lowest common denominator",
"newsletter",
"open source",
"sideloading"
] | Last week, we were talking about how glad we are to be the type who by-and-large understands technology, and how it’s becoming more and more difficult to simply get along otherwise. We thought we had a good handle on the topic.
Then, we were talking about Google’s plans to require an ID for Android developers, and whet... | 71 | 17 | [
{
"comment_id": "8191154",
"author": "G-man",
"timestamp": "2025-10-11T14:33:57",
"content": "The people who use F-droid are the same people who can use ADB. I don’t think it will affect “the masses” in any noticeable way – one of my mates who is “sort of” tech savvy didn’t even know how to unlock d... | 1,760,371,403.932853 | ||
https://hackaday.com/2025/10/11/toasty-subwoofer-limps-back-to-life/ | Toasty Subwoofer Limps Back To Life | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"repair",
"subwoofer"
] | [JohnAudioTech] noticed there was no bass on the TV at his parents’ house. That led to the discovery of a blown fuse and
a corresponding repair
. When he opened it up, he could smell that something had gone on in the amplifier. You can follow the repair in the video below.
His first theory was that some glue became con... | 6 | 5 | [
{
"comment_id": "8191119",
"author": "limroh",
"timestamp": "2025-10-11T12:06:09",
"content": "FSM damn it – first it’s “A Fun Action Generator From The Past” and now a “Tasty subwoofer …”. Dunno what’s wrong but the HaD titles aren’t at fault. ;-)",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,402.944783 | ||
https://hackaday.com/2025/10/11/the-electret-preamp-you-might-need/ | The Electret Preamp You Might Need | Jenny List | [
"home entertainment hacks"
] | [
"audio",
"electret",
"microphone",
"preamp"
] | Electret capsules can be found in some of the highest quality microphones for studio use, as well as in some of the very cheapest microphone capsules on the market. More care and attention has gone into the high-end capsule and its associated circuitry than the cheap one, but is it still possible to get good quality fr... | 19 | 5 | [
{
"comment_id": "8191101",
"author": "Süleyman Yasin Dundar",
"timestamp": "2025-10-11T10:11:15",
"content": "Lodestone contributes to generating a clear-pitch voice in microphones by enhancing the performance of electret capsules. Electret capsules, which utilize a permanently charged material, are... | 1,760,371,403.138471 | ||
https://hackaday.com/2025/10/10/programming-space-game-for-x86-in-assembly-without-an-operating-system/ | Programming Space Game For X86 In Assembly Without An Operating System | John Elliot V | [
"computer hacks",
"Games",
"Software Hacks"
] | [
"UEFI",
"x86 assembly"
] | In this video our hacker [Inkbox] shows us
how to create a computer game that runs directly on computer hardware
, without an operating system!
[Inkbox] briefly explains what BIOS is, then covers how UEFI replaces it. He talks about the genesis of UEFI from Intel in the late 90s. After Intel’s implementation of UEFI wa... | 40 | 14 | [
{
"comment_id": "8191036",
"author": "Julianne",
"timestamp": "2025-10-11T05:38:52",
"content": "I understand it can be an interesting challenge, but is there any advantage to bare metal programming over relying on an OS for handling all the annoying and device specific nitty gritty?",
"parent_i... | 1,760,371,403.21803 | ||
https://hackaday.com/2025/10/10/your-llm-wont-stop-lying-any-time-soon/ | Your LLM Won’t Stop Lying Any Time Soon | Tyler August | [
"Artificial Intelligence"
] | [
"ai",
"ChatGPT",
"LLM",
"machine hallucination"
] | Researchers call it “hallucination”; you might more accurately refer to it as confabulation, hornswaggle, hogwash, or just plain BS. Anyone who has used an LLM has encountered it; some people seem to find it behind every prompt, while others dismiss it as an occasional annoyance, but nobody claims it doesn’t happen. A
... | 46 | 17 | [
{
"comment_id": "8191005",
"author": "moo",
"timestamp": "2025-10-11T03:32:23",
"content": "pfff. even if somehow it’s a lack of negative examples like they claim, there’s an inherent class imbalance. you’re going to give it negative examples of every fact it doesn’t know? nope.i expect we’ll find, ... | 1,760,371,403.306913 | ||
https://hackaday.com/2025/10/07/tips-for-c-programming-from-nic-barker/ | Tips For C Programming From Nic Barker | John Elliot V | [
"Software Development"
] | [
"c programming",
"tips"
] | If you’re going to be a hacker, learning C is a rite of passage. If you don’t have much experience with C, or if your experience is out of date, you very well may benefit from hearing [Nic Barker] explain
tips for C programming
.
In his introduction he notes that C, invented in the 70s by
Dennis Ritchie
, is now more t... | 44 | 13 | [
{
"comment_id": "8189074",
"author": "Volker Birk",
"timestamp": "2025-10-08T02:36:19",
"content": "Or you enable C17. Or C23, the actual version. C99 is history.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8189240",
"author": "Sword",
"ti... | 1,760,371,403.029631 | ||
https://hackaday.com/2025/10/07/jawncon-returns-this-weekend/ | JawnCon Returns This Weekend | Tom Nardi | [
"cons",
"News"
] | [
"JawnCon"
] | For those local to the Philadelphia area, a “jawn” can be nearly anything or anyone — and at least for this weekend, it can even be a hacker con building up steam as it enters its third year. Kicking off this Friday at Arcadia University,
JawnCon0x2
promises to be another can’t-miss event for anyone with a curious mind... | 1 | 1 | [
{
"comment_id": "8188983",
"author": "Sammie Gee",
"timestamp": "2025-10-07T22:39:35",
"content": "Thank you for sharing, something closer to my (Gamma) quadrant.Likely, will run into friends of mine that I haven’t seen in decades. Looking forward.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,402.893171 | ||
https://hackaday.com/2025/10/07/qualcomm-introduces-the-arduino-uno-q-linux-capable-sbc/ | Qualcomm Introduces The Arduino Uno Q Linux-Capable SBC | Maya Posch | [
"Arduino Hacks",
"Parts"
] | [
"arduino",
"qualcomm"
] | Generally people equate the Arduino hardware platforms with MCU-centric options that are great for things like low-powered embedded computing, but less for running desktop operating systems. This looks about to change with the
Arduino Uno Q
, which keeps the familiar Uno formfactor, but features both a single-core Cort... | 87 | 28 | [
{
"comment_id": "8188860",
"author": "CJay",
"timestamp": "2025-10-07T18:37:30",
"content": "Yay, just what open source needs, a massive, restrictive manufacturer buying up the biggest open source hobbyist organisation and it’s IP",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,403.478867 | ||
https://hackaday.com/2025/10/07/2025-hackaday-supercon-more-wonderful-speakers/ | 2025 Hackaday Supercon: More Wonderful Speakers | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2025 Hackaday Superconference",
"announcement",
"speakers"
] | Supercon is just around the corner, and we’re absolutely thrilled to announce the second half of our slate! Supercon
will
sell out so
get your tickets now
before it’s too late. If you’re on the fence, we hope this pushes you over the line. And if it doesn’t, stay tuned — we’ve still got to tell you everything about the... | 2 | 1 | [
{
"comment_id": "8188840",
"author": "Ostracus",
"timestamp": "2025-10-07T17:49:35",
"content": "Change name to Audiocon and you’ll have plenty of great speakers. :-p",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8190780",
"author": "Jdams",
... | 1,760,371,403.530205 | ||
https://hackaday.com/2025/10/07/can-a-coin-cell-make-27-volts/ | Can A Coin Cell Make 27 Volts? | Jenny List | [
"classic hacks"
] | [
"boost converter",
"coin cell",
"joule thief"
] | We have all no doubt at some point released the magic smoke from a piece of electronics, it’s part of what we do. But sometimes it’s a piece of electronics we’re not quite ready to let go, and something has to be fixed. [Chris Greening] had a board just like that, a 27 volt generator from an LCD panel, and
he crafted a... | 8 | 7 | [
{
"comment_id": "8188797",
"author": "Dude",
"timestamp": "2025-10-07T16:36:40",
"content": "Could you make it switch the other way around and make it all yellow? Then you could put a black mask over it and create switchable signs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,403.571661 | ||
https://hackaday.com/2025/10/07/smart-bulbs-are-turning-into-motion-sensors/ | Smart Bulbs Are Turning Into Motion Sensors | Lewin Day | [
"Current Events",
"Featured",
"home hacks",
"Original Art",
"Slider"
] | [
"hue",
"philips hue",
"radio",
"RF",
"sensing",
"smart home",
"smarthome",
"wifi",
"wiz",
"zigbee"
] | If you’ve got an existing smart home rig, motion sensors can be a useful addition to your setup. You can use them for all kinds of things, from turning on lights when you enter a room, to shutting off HVAC systems when an area is unoccupied. Typically, you’d add dedicated motion sensors to your smart home to achieve th... | 33 | 13 | [
{
"comment_id": "8188739",
"author": "Andy",
"timestamp": "2025-10-07T14:28:55",
"content": "Passive radar for the den? Clever and useful, but does it work in home assistant? So as to not go the way of the Logitech buttons?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,371,403.715112 | ||
https://hackaday.com/2025/10/10/pla-gears-fail-to-fail-in-3d-printed-bicycle-drivetrain/ | PLA Gears Fail To Fail In 3D Printed Bicycle Drivetrain | Tyler August | [
"3d Printer hacks",
"Transportation Hacks"
] | [
"3D printed gears",
"bicycles",
"bike hacks"
] | Anyone who has ever snapped a chain or a crank knows how much torque a bicycle’s power train has to absorb on a daily basis; it’s really more than one might naively expect. For that reason, [Well Done Tips]’s idea of
3D printing a gear chain from PLA
did not seem like the most promising of hacks to us.
Contrary to expe... | 33 | 12 | [
{
"comment_id": "8190899",
"author": "Hirudinea",
"timestamp": "2025-10-10T23:28:47",
"content": "Neat, and even if it won’t last a long time this would be cool on an art bike.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8190900",
"author": "scott_tx",
... | 1,760,371,403.64015 | ||
https://hackaday.com/2025/10/10/possibly-the-newest-isa-card/ | Possibly The Newest ISA Card | Al Williams | [
"Retrocomputing"
] | [
"isa bus",
"mass storage",
"sd card"
] | Back when the IBM PC was new, laying out an ISA board was a daunting task. You probably didn’t have a very fast ‘scope, if you had one at all. Board layout was almost certainly done on a drafting table with big pieces of tape. It was hard for small companies, much less hobbyists, to make a new card. You could buy a pro... | 13 | 6 | [
{
"comment_id": "8190849",
"author": "Javier",
"timestamp": "2025-10-10T20:34:46",
"content": "For a prototype get a broken card,Dremel away the components from the slot connections and solder wires from there to your card in mezzanine,that is how I did a custom card for an EPROM programmer in the 9... | 1,760,371,403.766492 | ||
https://hackaday.com/2025/10/10/a-function-generator-from-the-past/ | A Function Generator From The Past | Jenny List | [
"classic hacks",
"Tool Hacks"
] | [
"function generator",
"magazine",
"XR2206"
] | It’s always a pleasure to find a hardware hacker who you haven’t seen before, and page back through their work. [Bettina Neumryr]’s niche comes in building projects from old electronics magazines, and her latest, a
function generator from the British
Everyday Electronics
magazine in April
1983, is a typical build.
The ... | 9 | 6 | [
{
"comment_id": "8190824",
"author": "macsimki",
"timestamp": "2025-10-10T18:57:10",
"content": "synthesizers use the same kind of chip as a vco.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8191096",
"author": "JA",
"timestamp": "2025-10-1... | 1,760,371,403.814718 | ||
https://hackaday.com/2025/10/10/hackaday-podcast-episode-341-qualcomm-owns-arduino-steppers-still-dominate-3d-printing-and-google-controls-your-apps/ | Hackaday Podcast Episode 341: Qualcomm Owns Arduino, Steppers Still Dominate 3D Printing, And Google Controls Your Apps | Jenny List | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | The nights are drawing in for Europeans, and Elliot Williams is joined this week by Jenny List for an evening podcast looking at the past week in all things Hackaday. After reminding listeners of the upcoming Hackaday Supercon and Jawncon events, we take a moment to mark the sad passing of the prolific YouTuber, Robert... | 1 | 1 | [
{
"comment_id": "8191041",
"author": "James",
"timestamp": "2025-10-11T05:47:52",
"content": "Welcome ADB loader for Android, the solution all the retro emulator people will be using to side load if Google doesn’t back down. It doesn’t exist yet but hopefully we can build it running in Chrome rathe... | 1,760,371,403.974354 | ||
https://hackaday.com/2025/10/10/quic-jump-to-user-space/ | QUIC! Jump To User Space! | Al Williams | [
"Network Hacks"
] | [
"QUIC",
"TCP",
"tcp/ip",
"udp"
] | Everyone knows that Weird Al lampooned computers in a famous parody song (
It’s All About the Pentiums
). But if you want more hardcore (including more hardcore language, so if you are offended by rap music-style explicit lyrics, maybe don’t look this up), you probably want “Kill Dash 9” by
Monzy
. There’s a line in th... | 18 | 9 | [
{
"comment_id": "8190776",
"author": "Paul",
"timestamp": "2025-10-10T16:16:09",
"content": "Before even looking at this, my immediate impression is that of a BMW taking the shoulder lane when the traffic gets too heavy for their liking.",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,371,404.038988 | ||
https://hackaday.com/2025/10/10/this-week-in-security-id-breaches-code-smell-and-poetic-flows/ | This Week In Security: ID Breaches, Code Smell, And Poetic Flows | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"Code Smell",
"CVSS",
"data breach",
"ID verification",
"This Week in Security"
] | Discord
had a data breach back on September 20th
, via an outsourced support contractor. It seems it was a Zendesk instance that was accessed for 58 hours through a compromised contractor user account. There have been numbers thrown around from groups claiming to be behind the breach, like 1.6 Terabytes of data downloa... | 7 | 4 | [
{
"comment_id": "8190798",
"author": "limroh",
"timestamp": "2025-10-10T17:36:45",
"content": "Re: Unity bug.So it’s CVSS=0 for Unity on Windows?I mean if you can change cmdline args you already have as many rights as any normally run unity game – no privilege escalation.Or am I missing some crazy w... | 1,760,371,404.160601 | ||
https://hackaday.com/2025/10/10/benchvolt-pd-usb-pd-meets-benchtop-precision/ | BenchVolt PD: USB PD Meets Benchtop Precision | Matt Varian | [
"hardware"
] | [
"power delivery",
"power supply",
"usb c power delivery",
"USB Power Delivery"
] | USB power has become ubiquitous — everything from phones to laptops all use it — so why not your lab bench? This is what [EEEngineer4Ever] set out to do with the
BenchVolt PD
USB adjustable bench power supply. This is more than just a simple breakout for standard USB PD voltages, mind you; with adjustable voltages, SC... | 41 | 12 | [
{
"comment_id": "8190690",
"author": "Sammie Gee",
"timestamp": "2025-10-10T11:29:29",
"content": "Nice, thank you for sharing! Been looking for the amateur-level stable bench power supply for some while, maybe this will do just nicely.IMHO, finally, someone figures out that signal generator AND re... | 1,760,371,404.235339 | ||
https://hackaday.com/2025/10/12/pvc-pipe-structure-design-that-skips-additional-hardware/ | PVC Pipe Structure Design That Skips Additional Hardware | Donald Papp | [
"green hacks"
] | [
"CINTRE",
"PVC",
"salvaged",
"structural"
] | [Baptiste Marx] shares his take on designing emergency structures using PVC pipe in a way that requires an absolute minimum of added parts.
CINTRE
(French, English coverage article
here
) is his collection of joint designs, with examples of how they can be worked into a variety of structures.
Basic joints have many dif... | 28 | 10 | [
{
"comment_id": "8191744",
"author": "CityZen",
"timestamp": "2025-10-12T17:15:22",
"content": "I suppose you have to choose your zip ties carefully, since some get brittle and break after a while.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8191857",
... | 1,760,371,404.1147 | ||
https://hackaday.com/2025/10/12/tubeless-x-ray-runs-on-patience/ | Tubeless X-Ray Runs On Patience | Al Williams | [
"Science"
] | [
"americium-241",
"x-ray"
] | Every time we check in on [Project326], he’s doing something different with X-rays. This week, he has a
passive X-ray imager
. On paper, it looks great. No special tube is required and no high voltage needed. Actually, no voltage is needed at all. Of course, there’s no free lunch. What it does take is a long time to pr... | 5 | 3 | [
{
"comment_id": "8191690",
"author": "Thinkerer",
"timestamp": "2025-10-12T15:25:55",
"content": "Project 326 (and their excellently snarky machine narrative) are on the verge of re-inventing field fluoroscopy/image intensifier imaging provided they give up the use of film and use a cheap image in... | 1,760,371,404.279441 | ||
https://hackaday.com/2025/10/12/removing-infill-to-make-3d-printed-parts-much-stronger/ | Removing Infill To Make 3D Printed Parts Much Stronger | Maya Posch | [
"3d Printer hacks"
] | [
"3d printing",
"FDM",
"finite element analysis"
] | When it comes to FDM 3D prints and making them stronger, most of the focus is on the outer walls and factors like their layer adhesion. However, paying some attention to the often-ignored insides of a model can make a lot of difference in its mechanical properties. Inspired by a string of [Tom Stanton] videos,
[3DJake]... | 20 | 6 | [
{
"comment_id": "8191560",
"author": "pelrun",
"timestamp": "2025-10-12T11:21:46",
"content": "It’s well known (but worth repeating) that infill contributes little to the overall strength of a part. Wall thickness is overwhelmingly the major factor.Infill is predominantly just internal support for t... | 1,760,371,404.333047 | ||
https://hackaday.com/2025/10/12/the-subtle-art-of-letterform-design/ | The Subtle Art Of Letterform Design | Donald Papp | [
"Art"
] | [
"design",
"font",
"typeface",
"typography"
] | Typeface
(such as
Times New Roman
) refers to the design that gives a set of letters, numbers, and symbols their signature “look”.
Font
, on the other hand, is a specific implementation of a typeface, for example,
Times New Roman Italic 12 pt
.
‘Q’ is a counterpoint to the idea that typography is just one fussy detail ... | 12 | 7 | [
{
"comment_id": "8191471",
"author": "Steve",
"timestamp": "2025-10-12T08:31:33",
"content": "I’m glad you covered this and I’m going to explore further. I didn’t realize there was a difference between typeface and font.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,371,404.554545 | ||
https://hackaday.com/2025/10/11/save-your-usb-c-plugs-from-oblivion/ | Save Your USB-C Plugs From Oblivion | Jenny List | [
"3d Printer hacks"
] | [
"strain relief",
"USB C"
] | USB-C as the “One Cable To Rule Them All” has certainly been a success. While USB-A is still around for now, most of us have breathed a hefty sigh of relief with the passing of micro-USB and the several display and power standards it replaces. It’s not without its minor issues though. One of them is that it’s as suscep... | 54 | 16 | [
{
"comment_id": "8191398",
"author": "echodelta",
"timestamp": "2025-10-12T05:23:21",
"content": "If it was a way to make right angle short ends, but it’s a way to put a longer lever into the poor socket which is much harder to replace. The right way to strain relief of a cord is a radiused funnel n... | 1,760,371,404.505286 | ||
https://hackaday.com/2025/10/11/bose-soundtouch-smart-wifi-speakers-are-about-to-go-dumb/ | Bose SoundTouch Smart WiFi Speakers Are About To Go Dumb | Maya Posch | [
"digital audio hacks"
] | [
"bose",
"planned obsolescence",
"SoundTouch"
] | Bose SoundTouch speakers were introduced in 2013, offering the ability to connect to online streaming services and play back audio on multiple speakers simultaneously using the accompanying mobile app. Now these features are about to be removed, including the mobile app, as Bose is
set to discontinue support
on Februar... | 28 | 9 | [
{
"comment_id": "8191364",
"author": "Chr El",
"timestamp": "2025-10-12T02:31:40",
"content": "Another one bites the dust.Really a shame how much the MBAs have ruined Bose.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8191384",
"author": "limroh",
... | 1,760,371,404.62044 | ||
https://hackaday.com/2025/10/11/a-deep-dive-into-the-coolness-that-was-crt-projectors/ | A Deep Dive Into The Coolness That Was CRT Projectors | Donald Papp | [
"classic hacks",
"hardware",
"home entertainment hacks"
] | [
"calibration",
"crt",
"projector",
"vintage"
] | CRT monitors: there’s nothing quite like ’em. But did you know that video projectors used to use CRTs? A trio of monochrome CRTs, in fact: one for each color; red, green, and blue. By their powers combined,
these monsters were capable of fantastic resolution and image quality
. Despite being nowhere near as bright as m... | 18 | 9 | [
{
"comment_id": "8191346",
"author": "Jason",
"timestamp": "2025-10-12T01:12:31",
"content": "Yes. I had one in my Home theatre room back in the day. my mom also had one in her place. They were a little bit of a pain to setup but once all was done and in the nice dark room it was grand for it’s time... | 1,760,371,404.68061 | ||
https://hackaday.com/2025/10/07/a-childhood-dream-created-and-open-sourced/ | A Childhood Dream, Created And Open Sourced | Tyler August | [
"Musical Hacks"
] | [
"force sensor",
"midi",
"softpot",
"violin"
] | Some kids dream about getting a pony, others dream about a small form factor violin-style MIDI controller. [Brady Y. Lin] was one of the latter, and now, with the skills he’s learning at Northwestern,
he can make that dream a reality
— and share it with all of us as an open source hardware project.
The dream instrument... | 12 | 5 | [
{
"comment_id": "8188648",
"author": "Shannon",
"timestamp": "2025-10-07T11:34:08",
"content": "Nice.A couple years ago I was looking at making something similar but couldn’t find any soft-pots that were long enough, I think the longest I found was 15cm when I wanted closer to 30cm as a violinist.",... | 1,760,371,404.726409 | ||
https://hackaday.com/2025/10/07/a-lorenz-teletype-shows-us-its-secrets/ | A Lorenz Teletype Shows Us Its Secrets | Jenny List | [
"Network Hacks",
"Retrocomputing"
] | [
"lorenz",
"teletype",
"terminal"
] | When we use the command line on Linux, we often refer to it as a
terminal
. It’s a word with a past invoking images of serial terminals, rows of green-screened machines hooked up to a central computer somewhere. Those in turn were electronic versions of mechanical teletypes, and it’s one of these machines we’re bringin... | 23 | 5 | [
{
"comment_id": "8188589",
"author": "paulvdh",
"timestamp": "2025-10-07T09:18:03",
"content": "@05:40 “The oil I’m using is just standard sewing machine oil”.You mean that stuff that dries up after 2 years and forms a sticky and gummy residue that does not lubricate?I once bought a 2nd hand sewing... | 1,760,371,404.788977 | ||
https://hackaday.com/2025/10/06/a-new-cartridge-for-an-old-computer/ | A New Cartridge For An Old Computer | Bryan Cockfield | [
"News"
] | [
"3d printing",
"assembly",
"c64",
"cartridge",
"commodore",
"demo",
"ieee spectrum",
"memory",
"programming",
"rom",
"tl866"
] | Although largely recognizable to anyone who had a video game console in the 80s or 90s, cartridges have long since disappeared from the computing world. These squares of plastic with a few ROM modules were a major route to get software for a time, not only for consoles but for PCs as well. Perhaps most famously, the Co... | 14 | 3 | [
{
"comment_id": "8188592",
"author": "paulvdh",
"timestamp": "2025-10-07T09:23:32",
"content": "Cartridges disappeared?What about USB sticks and uSD cards?They have not disappeared, but just gotten a bit smaller.If the U.S.A was so good, then why did they invent an USB?",
"parent_id": null,
... | 1,760,371,405.026713 | ||
https://hackaday.com/2025/10/06/google-confirms-non-adb-apk-installs-will-require-developer-registration/ | Google Confirms Non-ADB APK Installs Will Require Developer Registration | Maya Posch | [
"Android Hacks",
"News"
] | [
"android",
"drm"
] | After the news cycle recently exploded with the announcement that Google would require every single Android app to be from a registered and verified developer, while killing third-party app stores and sideloading in the process, Google has now tried to put out some of the fires with
a new Q&A blog post
and a
video disc... | 161 | 42 | [
{
"comment_id": "8188478",
"author": "David",
"timestamp": "2025-10-07T02:29:12",
"content": "Freedom-embracing goverments will hate this. Those with clout may force Google to make exceptions within their bordes. Freedom-hating goverments will love this, it’s one more step of a long march towards ... | 1,760,371,404.979521 | ||
https://hackaday.com/2025/10/06/finding-simpler-schlieren-imaging-systems/ | Finding Simpler Schlieren Imaging Systems | Aaron Beckendorf | [
"Science"
] | [
"optics",
"Schlieren",
"Schlieren photography",
"shadowgraph"
] | Perhaps the most surprising thing about shadowgraphs is how simple they are: you simply take a point source of light, pass the light through a the volume of air to be imaged, and record the pattern projected on a screen; as light passes through the transition between areas with different refractive indices, it gets ben... | 3 | 3 | [
{
"comment_id": "8188593",
"author": "Klaus",
"timestamp": "2025-10-07T09:25:57",
"content": "Thanks for the insight into this interesting technology. Your penultimate setup is closer to a telecentric backlight than to a schlieren optic, in my opinion. Or to koehler illumination as used in microscop... | 1,760,371,405.069545 | ||
https://hackaday.com/2025/10/06/2g-gone-bring-it-back-yourself/ | 2G Gone? Bring It Back Yourself! | Tyler August | [
"Phone Hacks",
"Radio Hacks"
] | [
"2g",
"2G network",
"GSM base station",
"sdr",
"vintage phone"
] | Some parts of the world still have ample 2G coverage; for those of in North America, 2G is long gone and 3G has either faded into dusk or beginning its sunset. The legendary [dosdude1] shows us it need not be so, however:
Building a Custom 2G GSM Cellular Base Station
is not out of reach, if you are willing to pay for ... | 25 | 7 | [
{
"comment_id": "8188416",
"author": "That's on a need to know basis",
"timestamp": "2025-10-06T21:15:37",
"content": "I wonder if low power transmissions fall under part 15…Either way this is a rather interesting look into cellular technologies. even if it is 2g. Nice work man!",
"parent_id": n... | 1,760,371,405.134165 | ||
https://hackaday.com/2025/10/06/logitech-pop-buttons-are-about-to-go-pop/ | Logitech POP Buttons Are About To Go Pop | Maya Posch | [
"home hacks"
] | [
"logitech",
"smart home"
] | For those who missed out on the past few years of ‘smart home’ gadgets, the Logitech POP buttons were introduced in 2018 as a way to control smart home devices using these buttons and a central hub. After a few years of Logitech gradually turning off features on this $100+ system, it seems that Logitech will turn off t... | 71 | 35 | [
{
"comment_id": "8188336",
"author": "Steven Clark",
"timestamp": "2025-10-06T18:10:16",
"content": "The second S in IoT stands for Support.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8188347",
"author": "El Gru",
"timestamp": "2025-10-06... | 1,760,371,405.280296 | ||
https://hackaday.com/2025/10/10/inside-a-germanium-transistor/ | Inside A Germanium Transistor | Jenny List | [
"Parts"
] | [
"germanium",
"OC71",
"transistor"
] | The first transistors were point contact devices, not far from the cats-whiskers of early radio receivers. They were fragile and expensive, and their performance was not very high. The transistor which brought the devices to a mass audience through the 1950s and 1960s was the one which followed, the alloy diffusion typ... | 9 | 8 | [
{
"comment_id": "8190659",
"author": "Hugo Oran",
"timestamp": "2025-10-10T09:09:09",
"content": "Oh my electronic teeth really cut on OC71:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8190660",
"author": "shinsukke",
"timestamp": "2025-10-10T09:12... | 1,760,371,405.175879 | ||
https://hackaday.com/2025/10/09/one-rom-gets-a-usb-stack/ | One ROM Gets A USB Stack | John Elliot V | [
"hardware",
"Retrocomputing"
] | [
"One ROM",
"usb"
] | Our hacker [Piers Finlayson] is at it again, and this time he has
added USB support to One ROM
.
With this new connectivity you can attach your One ROM to your computer with a USB cable and then in a matter of seconds upload new firmware from your Chrome (or Chromium) web browser. This new connectivity will supplement ... | 3 | 2 | [
{
"comment_id": "8190624",
"author": "Nath",
"timestamp": "2025-10-10T07:37:55",
"content": "Damn, this one ROM is an awesome project! Too bad they didn’t consider a 28 and a 32-pin option, it would have been a killer for systems like the Philips VideoWriter :https://hackaday.io/project/25664-anatom... | 1,760,371,405.505131 | ||
https://hackaday.com/2025/10/09/the-fascinating-waveguide-technology-inside-metas-ray-ban-display-glasses/ | The Fascinating Waveguide Technology Inside Meta’s Ray-Ban Display Glasses | Maya Posch | [
"Teardown",
"Wearable Hacks"
] | [
"smart glasses",
"teardown"
] | The geometric waveguide glass of the Meta Ray-Ban Display glasses. (Credit iFixit)
Recently the avid teardown folk over at iFixit got their paws on Meta’s Ray-Ban Display glasses, for a
literal in-depth look at these smart glasses
. Along the way they came across the fascinating geometric waveguide technology that make... | 25 | 11 | [
{
"comment_id": "8190488",
"author": "Alex Topic",
"timestamp": "2025-10-10T02:18:07",
"content": "I hope for LInux support with Gnome and KDE Plasma Desktops incorporate AR support in the near future and treat it like another monitor. I am glad AR is maturing.",
"parent_id": null,
"depth":... | 1,760,371,405.468715 | ||
https://hackaday.com/2025/10/09/motors-make-the-best-knobs-with-simplefoc/ | Motors Make The Best Knobs With SimpleFOC | Tyler August | [
"Misc Hacks"
] | [
"bldc motor",
"digital volume control",
"esc",
"FOC",
"motor controller",
"SimpleFOC"
] | The worst thing about a volume knob is that, having connected it to a computer, it might be wrong: if you’ve manually altered the volume settings somewhere else, the knob’s reading won’t be correct. [I Got Distracted] has a
quick tutorial on YouTube
showing how to use a BLDC, a hall effect sensor, Pi Pico and the Simpl... | 17 | 8 | [
{
"comment_id": "8190456",
"author": "SpillsDirt",
"timestamp": "2025-10-09T23:58:46",
"content": "my old stereo had a similar construction so when you changed the volume with the remote the physical knob would turn appropriately.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,405.403183 | ||
https://hackaday.com/2025/10/09/2025-component-abuse-challenge-the-sweet-sound-of-a-choking-transformer/ | 2025 Component Abuse Challenge: The Sweet Sound Of A Choking Transformer | Tyler August | [
"contests"
] | [
"audio",
"choke",
"variable choke"
] | The Component Abuse Challenge is dragging all sorts of old, half-forgotten hacks out of the woodwork, but this has got to be the most vintage: [KenS] started using
a transformer as a variable choke
on his speakers 55 years ago.
The hack is pretty bone-dead simple. A choke is an inductor in an audio (or any other) circu... | 13 | 8 | [
{
"comment_id": "8190407",
"author": "Paul",
"timestamp": "2025-10-09T21:13:16",
"content": "Now, for bonus points, put DC through that winding to vary the inductance, and go really old school, like turn of thepreviouscentury.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,405.558031 | ||
https://hackaday.com/2025/10/09/2025-component-abuse-challenge-load-cell-anemometer/ | 2025 Component Abuse Challenge: Load Cell Anemometer | Tyler August | [
"contests"
] | [
"2025 Component Abuse Challenge",
"anemometer",
"ESP32",
"load cell"
] | When you think anemometer, you probably don’t think “load cell” — but (statistically speaking) you probably don’t live in Hurricane Country, which is hard on wind-speed-measuring-whirligigs. When [BLANCHARD Jordan] got tired of replacing professionally-made meteorological eggbeaters, he decided he needed something with... | 22 | 11 | [
{
"comment_id": "8190283",
"author": "Bernoulli's Cannoli",
"timestamp": "2025-10-09T17:08:27",
"content": "Instead of intersecting plates, why not just a sphere? Sure, it would be more aerodynamic than the plates, but symmetry would be preserved in all directions, and simple calibration would compe... | 1,760,371,405.671975 | ||
https://hackaday.com/2025/10/09/holy-parachute-out-of-kirigami/ | Holy Parachute Out Of Kirigami | Ian Bos | [
"classic hacks"
] | [
"aerodynamics",
"kirigami",
"origami"
] | If you have a fear of heights and find yourself falling out of an airplane, you probably don’t want to look up to find your parachute full of holes. However, if the designer took inspiration from
kirigami in the same way researchers have
, you may be in better shape than you would think. This is because properly design... | 14 | 6 | [
{
"comment_id": "8190243",
"author": "GameboyRMH",
"timestamp": "2025-10-09T16:04:57",
"content": "Reminds me of the Ribbon Chute from MDK, I wonder if this could be made similarly rapid-stowable? Maybe even making the disc inflatable so that when it’s deflated, it’s super soft and could be haphazar... | 1,760,371,405.609057 | ||
https://hackaday.com/2025/10/08/floss-weekly-episode-850-one-rom-to-rule-them-all/ | FLOSS Weekly Episode 850: One ROM To Rule Them All | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"One ROM",
"retrocomputing"
] | This week
Jonathan
and Aaron chat with Piers Finlayson about One ROM! Why does the retro-computing world need a solution for replacement ROMs? How difficult was it to squeeze a MCU and layout into the original ROM footprint? And what’s next for the project? Listen to find out!
https://piers.rocks/
https://onerom.org/
h... | 0 | 0 | [] | 1,760,371,405.709985 | ||
https://hackaday.com/2025/10/08/ask-hackaday-why-is-ttl-5-volts/ | Ask Hackaday: Why Is TTL 5 Volts? | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"5v",
"history",
"standards"
] | The familiar five volts standard from back in the TTL days always struck me as odd. Back when I was just a poor kid trying to cobble together my first circuits from
the Forrest Mims
Engineer’s Notebook
, TTL was always a problem. That narrow 4.75 V to 5.25 V spec for Vcc was hard to hit, thanks to being too poor to buy... | 82 | 42 | [
{
"comment_id": "8189535",
"author": "Austin Lesea",
"timestamp": "2025-10-08T17:45:46",
"content": "Having grown up (literally) watching RTL, DTL, AND TTL followed by all the rest; 5 volts was a compromise. High enough to get the speed (10-50 MHz or better), power dissipation (no heatsinks needed)... | 1,760,371,405.832322 | ||
https://hackaday.com/2025/10/08/a-minicomputer-tape-drive-receives-some-love/ | A Minicomputer Tape Drive Receives Some Love | Jenny List | [
"Retrocomputing"
] | [
"DEC",
"PDP-11/44",
"tape drive",
"TU-50"
] | Taking on a refrigerator-sized minicomputer is not for the faint-hearted, but [Usagi Electric] has done it with a DEC PDP-11/44. He’s not doing it in half measures either, for his machine is tricked out with an impressive array of upgrades. Among them however is no storage, and with two co-processors there’s a meager ... | 6 | 4 | [
{
"comment_id": "8189478",
"author": "Joel Finkle",
"timestamp": "2025-10-08T16:41:22",
"content": "The PDP-11/44 I programmed in the early 80s – part time job while in undergrad – had a TS-11, better known as the Tape Stretch 11. It was a traditional fridge-sized reel to reel on which we did backup... | 1,760,371,405.87261 | ||
https://hackaday.com/2025/10/08/reshaping-eyeballs-with-electricity-no-lasers-or-cutting-required/ | Reshaping Eyeballs With Electricity, No Lasers Or Cutting Required | Lewin Day | [
"Featured",
"Interest",
"Medical Hacks",
"Original Art",
"Slider"
] | [
"eye surgery",
"eyeball",
"eyes",
"lasik",
"research"
] | Glasses are perhaps the most non-invasive method of vision correction, followed by contact lenses. Each have their drawbacks though, and some seek more permanent solutions in the form of laser eye surgeries like LASIK, aiming to reshape their corneas for better visual clarity. However, these methods often involve cutti... | 33 | 9 | [
{
"comment_id": "8189368",
"author": "CMH62",
"timestamp": "2025-10-08T14:32:09",
"content": "Wow! Now THAT’S a hack! :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8189400",
"author": "Tomtom",
"timestamp": "2025-10-08T15:16:08",
"content": ... | 1,760,371,405.966506 | ||
https://hackaday.com/2025/10/08/homebrew-dam-control-system-includes-all-the-bells-and-whistles/ | Homebrew Dam Control System Includes All The Bells And Whistles | John Elliot V | [
"green hacks",
"Microcontrollers"
] | [
"Dam Control System",
"hydropower",
"Nucleo-H753",
"STM32H753ZI"
] | Over on brushless.zone, we’ve come across an interesting write-up that
details the construction of a dam control system
. This is actually the second part, in the first, we learn that some friends
purchased an old dysfunctional 80 kW dam
with the intention of restoring it. One friend was in charge of the business paper... | 25 | 5 | [
{
"comment_id": "8189304",
"author": "Glossary",
"timestamp": "2025-10-08T11:28:36",
"content": "What doe DAM stand for?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8189574",
"author": "John Elliot V",
"timestamp": "2025-10-08T18:22:12",
... | 1,760,371,406.04559 | ||
https://hackaday.com/2025/10/08/building-the-dvd-logo-screensaver-with-lego/ | Building The DVD Logo Screensaver With LEGO | Maya Posch | [
"Toy Hacks"
] | [
"dvd",
"lego"
] | The completed Lego DVD screensaver. (Credit: Grant Davis, YouTube)
There’s something extremely calming and pleasing about watching a screensaver that merely bounces some kind of image around, with the DVD logo screensaver of a DVD player being a good example. The logical conclusion is thus that it would be great to
rep... | 9 | 7 | [
{
"comment_id": "8189197",
"author": "Joshua",
"timestamp": "2025-10-08T08:08:18",
"content": "Reminds me a little bit of the Amiga demo with the bouncing ball.Example:https://www.youtube.com/watch?v=UyNr3yaUQA8And I’m not an Amiga fan, even.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,406.093687 | ||
https://hackaday.com/2025/10/07/mesmerizing-patterns-from-simple-rules/ | Mesmerizing Patterns From Simple Rules | Ian Bos | [
"Science"
] | [
"Agent",
"background",
"bio-inspired"
] | Nature is known for its intense beauty from its patterns and bright colors; however, this requires going outside. Who has time for that insanity!?!? [Bleuje] provides the perfect solution with his mesmerizing display of
particle behavior.
Agents follow defined paths created by other agents.
These patterns of color and ... | 7 | 4 | [
{
"comment_id": "8189161",
"author": "CRJEEA",
"timestamp": "2025-10-08T06:59:57",
"content": "Great article, the only thing I might have added,youtube.com/watch?v=4hLtjlaVzsk",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8189629",
"author": "TG",
... | 1,760,371,406.143561 | ||
https://hackaday.com/2025/10/06/know-audio-distortion-part-two/ | Know Audio: Distortion Part Two | Jenny List | [
"digital audio hacks",
"Hackaday Columns",
"home entertainment hacks"
] | [
"audio",
"audio analyser",
"distortion",
"know audio",
"THD"
] | It’s been a while since the last installment in our
Know Audio
series, in which
we investigated distortion as it applies to Hi-Fi audio
. Now it’s time to return with part two of our look at distortion, and attempt some real-world distortion measurements on the bench.
Last time, we examined distortion from a theoretica... | 16 | 7 | [
{
"comment_id": "8188340",
"author": "Joe D",
"timestamp": "2025-10-06T18:13:25",
"content": "For work, I procured a QuantAsylum QA403 audio analyzer. 0.001% THD at 1kHz for $600 does everything I need instead of that $25k AP.Note: I have no financial ties to QA.",
"parent_id": null,
"depth"... | 1,760,371,406.205881 | ||
https://hackaday.com/2025/10/06/weaving-circuits-from-electronic-threads/ | Weaving Circuits From Electronic Threads | Aaron Beckendorf | [
"Wearable Hacks"
] | [
"e-textile",
"e-textiles",
"fiber",
"flexible circuit board",
"flexible circuits",
"knitting",
"stm32",
"stm32duino",
"thread",
"wearable",
"weaving"
] | Though threading is a old concept in computer science, and fabric computing has been a term for about thirty years, the terminology has so far been more metaphorical than strictly descriptive. [Cedric Honnet]’s
FiberCircuits project
, on the other hand, takes a much more literal to weaving technology “into the fabric o... | 6 | 2 | [
{
"comment_id": "8188364",
"author": "shinsukke",
"timestamp": "2025-10-06T19:01:27",
"content": "I don’t know man, maybe its my inexperience with flex PCBs but it feels wrong to have the substrate bend and curl. Maybe it would be fine if encapsulated…?Still feels off though",
"parent_id": null,... | 1,760,371,407.385583 | ||
https://hackaday.com/2025/10/06/how-mercedes-benz-hacked-your-hearing/ | Airbags, And How Mercedes-Benz Hacked Your Hearing | Lewin Day | [
"car hacks",
"Engineering",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"airbag",
"airbags",
"car crash",
"collision",
"pink noise",
"sound",
"stapedius reflex"
] | Airbags are an incredibly important piece of automotive safety gear. They’re also terrifying—given that they’re effectively small pyrotechnic devices that are aimed directly at your face and chest. Myths have pervaded that they “kill more people than they save,” in part due a hilarious episode of
The Simpsons
. Despite... | 40 | 16 | [
{
"comment_id": "8188253",
"author": "NQ",
"timestamp": "2025-10-06T14:08:41",
"content": "Ultimately I understand what they’ve done. Ultimately.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8188388",
"author": "BuriedCode",
"timestamp": "... | 1,760,371,407.821456 | ||
https://hackaday.com/2025/10/06/guitarpie-uses-guitar-as-interface-no-raspberries-needed/ | GuitarPie Uses Guitar As Interface, No Raspberries Needed | Tyler August | [
"Musical Hacks"
] | [
"electric guitar",
"Human Interface",
"pie menu",
"UI"
] | We’ve covered plenty of interesting human input devices over the years, but how about an instrument? No, not as a MIDI controller, but to interact with what’s going on-on screen. That’s the job o
f GuitarPie, a guitar-driven pie menu produced by a group at the University of Stuttgart
.
The idea is pretty simple: the co... | 14 | 10 | [
{
"comment_id": "8188209",
"author": "Arno",
"timestamp": "2025-10-06T11:42:51",
"content": "Wonderful, please expand this to other instruments that support tablature (diatonic accordeon would be a good start)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "818... | 1,760,371,407.533933 | ||
https://hackaday.com/2025/10/06/esp32-decodes-s-pdif-like-a-boss-or-any-regular-piece-of-hi-fi-equipment/ | ESP32 Decodes S/PDIF Like A Boss (Or Any Regular Piece Of Hi-Fi Equipment) | Lewin Day | [
"digital audio hacks"
] | [
"audio",
"digital audio",
"s/pdif"
] | S/PDIF has been around for a long time; it’s still a really great way to send streams of digital audio from device A to device B. [Nathan Ladwig] has got the ESP32 decoding SPDIF quite effectively,
using an onboard peripheral outside its traditional remit.
On the ESP32, the Remote Control Transceiver (RMT) peripheral w... | 5 | 3 | [
{
"comment_id": "8188231",
"author": "Ewald",
"timestamp": "2025-10-06T12:33:56",
"content": "The github mentions you need S/PDIF transceiver hardware to do S/PDIF without specifics, but his other repo gives a little bit more info:https://github.com/netham45/esp32-spdifNice project.",
"parent_id... | 1,760,371,407.86141 | ||
https://hackaday.com/2025/10/05/apples-continuing-failing-repair-score-with-the-airpods-pro-3/ | Apple’s Continuing Failing Repair Score With The AirPods Pro 3 | Maya Posch | [
"Repair Hacks",
"Teardown"
] | [
"Apple repair",
"ifixit",
"teardown"
] | It takes quite a bit of effort to get a 0 out of 10 repairability score from iFixit, but in-ears like Apple’s AirPods are well on course for a clean streak there, with the AirPod Pro 3 making an abysmal showing in
their vitriolic teardown video
alongside their
summary article
. The conclusion is that while they are rea... | 18 | 9 | [
{
"comment_id": "8188119",
"author": "Harvie.CZ",
"timestamp": "2025-10-06T05:47:07",
"content": "I consider earbuds to be a consumable item and therefore the pricerange i choose from reflects that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8188142",
... | 1,760,371,407.589868 | ||
https://hackaday.com/2025/10/05/splashflag-raising-the-flag-on-a-pool-party/ | Splashflag: Raising The Flag On A Pool Party | Matt Varian | [
"hardware"
] | [
"ESP32-S3",
"internet of things",
"IoT",
"mqtt"
] | Some things are more fun when there are more folks involved, and enjoying time in the pool is one of those activities. Knowing this, [Bert Wagner] started thinking of ways to best coordinate pool activities with his kids and their neighborhood friends. Out of this came the
Splashflag
, an IoT device built from the grou... | 7 | 4 | [
{
"comment_id": "8188111",
"author": "Patrik",
"timestamp": "2025-10-06T05:19:26",
"content": "And, what does it do?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8188125",
"author": "Cliff",
"timestamp": "2025-10-06T06:09:11",
"cont... | 1,760,371,407.988764 | ||
https://hackaday.com/2025/10/09/meshtastic-a-tale-of-two-cities/ | Meshtastic: A Tale Of Two Cities | Tom Nardi | [
"Featured",
"Network Hacks",
"Radio Hacks",
"Slider"
] | [
"mesh networking",
"Meshtastic"
] | If I’m honest with myself, I don’t really
need
access to an off-grid, fault-tolerant, mesh network like
Meshtastic
. The weather here in New Jersey isn’t quite so dynamic that there’s any great chance the local infrastructure will be knocked offline, and while I do value my privacy as much as any other self-respecting ... | 75 | 24 | [
{
"comment_id": "8190176",
"author": "FiveEyesNoPrize",
"timestamp": "2025-10-09T14:17:00",
"content": "I don’t need access to…Until you do. Remember, if you don’t hold the keys… eventually someone else (a bad actor, a despot, a state-sanctioned spy agency) can lock you out.Contrary to popular belie... | 1,760,371,407.703338 | ||
https://hackaday.com/2025/10/09/google-japan-turn-out-another-keyboard-and-its-a-dial/ | Google Japan Turn Out Another Keyboard, And It’s A Dial | Jenny List | [
"Peripherals Hacks"
] | [
"dial",
"keyboard"
] | There’s a joke that does the rounds, about a teenager being given a dial phone and being unable to make head nor tail of it. Whether or not it’s true, we’re guessing that the same teen might be just a stumped by
this year’s keyboard oddity from Google Japan
. It replaces keys with a series of dials that work in the sa... | 20 | 12 | [
{
"comment_id": "8190043",
"author": "whoopie",
"timestamp": "2025-10-09T11:27:28",
"content": "Is this video real or satire? I love it",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8190156",
"author": "Chris Gammell",
"timestamp": "2025-10-... | 1,760,371,408.041735 | ||
https://hackaday.com/2025/10/09/billy-bass-gets-new-job-as-a-voice-assistant/ | Billy Bass Gets New Job As A Voice Assistant | Bryan Cockfield | [
"home hacks"
] | [
"automation",
"billy bass",
"ESP32",
"fish",
"home-assistant",
"voice assistant"
] | For those who were alive and conscious before the modern Internet, there were in fact things that went “viral” and became cultural phenomenon for one reason or another. Although they didn’t spread as quickly or become forgotten as fast, things like Beanie Babies or greeting a friend with an exaggerated “Whassup?” could... | 8 | 6 | [
{
"comment_id": "8190081",
"author": "Sammie Gee",
"timestamp": "2025-10-09T12:20:06",
"content": "I am pretty confident one BIily Bass can replace three department managers. Same general idea, random regurgitation poorly of digested words overheard uttered by inferiors.",
"parent_id": null,
... | 1,760,371,407.747904 | ||
https://hackaday.com/2025/10/08/why-stepper-motors-still-dominate-3d-printing/ | Why Stepper Motors Still Dominate 3D Printing | Maya Posch | [
"3d Printer hacks"
] | [
"servo motor",
"stepper motor"
] | It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead. Interestingly, some printer manufacturers are now using BLDCs for places where the reduction in weight matters, such as... | 42 | 10 | [
{
"comment_id": "8189893",
"author": "Joe",
"timestamp": "2025-10-09T05:21:00",
"content": "I’m surprised we haven’t seen brushed DC motors with position feedback like in consumer inkjet printers. Even with a dozen nylon gears, I would still expect it to be far cheaper than heavy steppers with drive... | 1,760,371,407.942116 | ||
https://hackaday.com/2025/10/08/where-is-mathematics-going-large-language-models-and-lean-proof-assistant/ | Where Is Mathematics Going? Large Language Models And Lean Proof Assistant | John Elliot V | [
"Machine Learning",
"Software Hacks"
] | [
"interactive theorem provers",
"large language models",
"mathematical research"
] | If you’re a hacker you may well have a passing interest in math, and if you have an interest in math you might like to hear about the direction of mathematical research. In a talk on this topic [Kevin Buzzard], professor of pure mathematics at Imperial College London, asks the question:
Where is Mathematics Going?
It s... | 31 | 9 | [
{
"comment_id": "8189919",
"author": "Derek Tombrello",
"timestamp": "2025-10-09T05:55:57",
"content": "Yeah… he lost me with 2+2=5",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8189924",
"author": "John Elliot V",
"timestamp": "2025-10-09T0... | 1,760,371,408.108719 | ||
https://hackaday.com/2025/10/08/the-entire-process-of-building-an-open-source-analog-asic/ | The Entire Process Of Building An Open Source Analog ASIC | John Elliot V | [
"hardware"
] | [
"adc",
"Analog ASIC",
"custom hardware",
"magic",
"open source",
"xschem"
] | Our hacker [Pat Deegan] of Psychogenic Technologies shows us
the entire process of designing an analog ASIC
. An ASIC is of course an Application-Specific Integrated Circuit, which is basically just custom hardware. That’s right, “just” custom hardware.
Services such as those from
Tiny Tapeout
make it possible to get y... | 6 | 3 | [
{
"comment_id": "8189843",
"author": "Truth",
"timestamp": "2025-10-09T03:17:38",
"content": "I’ll leave this here:https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2F40wmtsswwrsf1.pnghttps://old.reddit.com/r/RISCV/comments/1nwhz28/waferspace_7k_usd_for_1k_custom_chips/",
"parent_id": nul... | 1,760,371,408.153186 | ||
https://hackaday.com/2025/10/08/honoring-the-legacy-of-robert-murray-smith/ | Honoring The Legacy Of Robert Murray-Smith | Tom Nardi | [
"News"
] | [
"mental health",
"Robert Murray-Smith",
"suicide",
"suicide prevention"
] | We at Hackaday are deeply saddened to learn of the
passing of Robert Murray-Smith
. The prolific experimenter had spent over a decade on YouTube, creating more than 2,500 videos where he gleefully demonstrated his seemingly endless collection of homemade contraptions. At least eighteen of which ended up on the pages of... | 51 | 39 | [
{
"comment_id": "8189692",
"author": "yo",
"timestamp": "2025-10-08T21:11:33",
"content": "RIP, this morning was a real shock",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8189701",
"author": "Miroslav",
"timestamp": "2025-10-08T21:31:35",
"conten... | 1,760,371,408.241735 | ||
https://hackaday.com/2025/10/13/give-your-microscope-polarized-5-shades-to-fight-glare/ | Give Your Microscope Polarized $5 Shades To Fight Glare | Maya Posch | [
"Tool Hacks"
] | [
"glare",
"microscope",
"polarizing film"
] | Who doesn’t know the problem of glare when trying to ogle a PCB underneath a microscope of some description? Even with a ring light, you find yourself struggling to make out fine detail such as laser-etched markings in ICs, since the scattered light turns everything into a hazy mess. That’s where a simple sheet of line... | 5 | 3 | [
{
"comment_id": "8192309",
"author": "anon",
"timestamp": "2025-10-13T14:33:54",
"content": "I am confused. I thought this was a sudo hoax thing a few years ago that EEVblog demonstrated.https://www.youtube.com/watch?v=MvFf9RSJUhkIs there a difference here that I am missing? NWR loves to make joke s... | 1,760,371,408.748374 | ||
https://hackaday.com/2025/10/13/deforming-a-mirror-for-adaptive-optics/ | Deforming A Mirror For Adaptive Optics | Aaron Beckendorf | [
"Science"
] | [
"adaptive optics",
"curved mirror",
"deformation",
"huygens optics",
"linear actuator",
"optics"
] | As frustrating as having an atmosphere can be for physicists, it’s just as bad for astronomers, who have to deal with clouds, atmospheric absorption of certain wavelengths, and other irritations. One of the less obvious effects is the distortion caused by air at different temperatures turbulently mixing. To correct for... | 1 | 1 | [
{
"comment_id": "8192207",
"author": "John Garrett",
"timestamp": "2025-10-13T11:24:51",
"content": "Similar approach is used in toilet factories to ensure water swirls in the right direction when flushed (according to Coriolis Effect).",
"parent_id": null,
"depth": 1,
"replies": []
}
... | 1,760,371,408.276828 | ||
https://hackaday.com/2025/10/13/slm-co-extruding-hotend-makes-poopless-prints/ | SLM Co-extruding Hotend Makes Poopless Prints | Tyler August | [
"3d Printer hacks"
] | [
"coextrusion",
"mixing hotend",
"Multicolor 3D printing",
"multimaterial"
] | Everyone loves colourful 3D prints, but nobody loves prime towers, “printer poop” and all the plastic waste associated with most multi-material setups. Over the years, there’s been no shortage of people trying to come up with a better way, and now it’s time for [Roetz] to toss his hat into the ring, with his patent-pro... | 10 | 8 | [
{
"comment_id": "8192126",
"author": "TG",
"timestamp": "2025-10-13T08:32:24",
"content": "Heinlein opensourced the waterbed?? How am I just now hearing of this",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8192128",
"author": "sweethack",
"timestamp"... | 1,760,371,408.458826 | ||
https://hackaday.com/2025/10/12/making-a-2-transistor-am-radio-with-a-philips-electronic-engineer-ee8-kit-from-1966/ | Making A 2-Transistor AM Radio With A Philips Electronic Engineer EE8 Kit From 1966 | John Elliot V | [
"hardware",
"Radio Hacks"
] | [
"am radio",
"Philips Electronic Engineer EE8 Kit",
"transistor"
] | Back in 1966, a suitable toy for a geeky kid was a radio kit. You could find simple crystal radio sets or some more advanced ones. But some lucky kids got the Philips Electronic Engineer EE8 Kit on Christmas morning. [Anthony Francis-Jones] shows us how to build a
2-transistor AM radio
from a Philips Electronic Enginee... | 13 | 11 | [
{
"comment_id": "8192072",
"author": "MH",
"timestamp": "2025-10-13T05:34:26",
"content": "I had this exact kit and it’s arguably what set me on the path to be a lifelong EE!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8192298",
"author": "mpellat... | 1,760,371,408.506848 | ||
https://hackaday.com/2025/10/12/the-singing-dentures-of-manchester-and-other-places/ | The Singing Dentures Of Manchester And Other Places | Jenny List | [
"Radio Hacks"
] | [
"radio",
"radio receiver",
"teeth"
] | Any radio amateur will tell you about the spectre of TVI, of their transmissions being inadvertently demodulated by the smallest of non-linearity in the neighbouring antenna systems, and spewing forth from the speakers of all and sundry. It’s very much a thing that the most unlikely of circuits can function as radio re... | 17 | 9 | [
{
"comment_id": "8191920",
"author": "Titus431",
"timestamp": "2025-10-13T00:21:24",
"content": "Gilligan, what have you done this time?!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8192187",
"author": "shinsukke",
"timestamp": "2025-10-13... | 1,760,371,408.559974 | ||
https://hackaday.com/2025/10/12/hackaday-links-october-12-2025/ | Hackaday Links: October 12, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"3I/Atlas",
"biocomputer",
"hackaday links",
"jpl",
"Juno",
"mars",
"nasa",
"NATO",
"neuron",
"organoid",
"Perseverance",
"phonetic alphabet",
"pong"
] | We’ve probably all seen some old newsreel or documentary from The Before Times where the narrator, using his best Mid-Atlantic accent, described those newfangled computers as “thinking machines,” or better yet, “electronic brains.” It was an apt description, at least considering that the intended audience had no other ... | 0 | 0 | [] | 1,760,371,408.595279 | ||
https://hackaday.com/2025/10/12/diy-35mm-film-scanning/ | DIY 35mm Film Scanning | Al Williams | [
"digital cameras hacks",
"News"
] | [] | If you are sitting on a horde of negatives, waiting for the digital photography fad to die off, it may be time to think about digitizing your old film. [Kinpro1024] can help with the
PiDigitzier
, an open-source film scanning solution. The build centers around a Pi Zero 2, a Pi HQ camera, and a diffusing LED lighting ... | 19 | 5 | [
{
"comment_id": "8191813",
"author": "Evan",
"timestamp": "2025-10-12T20:26:51",
"content": "I’ve never understood the concern with high CRI for scanning film. Color film is essentially an RGB technology. Ideally you’d use an RGB backlight with wavelengths chosen that give you the strongest contrast... | 1,760,371,408.651596 | ||
https://hackaday.com/2025/10/04/how-to-design-custom-lcds-for-your-own-projects/ | How To Design Custom LCDs For Your Own Projects | Lewin Day | [
"Misc Hacks"
] | [
"display",
"lcd",
"segment lcd"
] | These days, you can buy full graphical LCD or OLED displays for just a few dollars. However, if you’re so inclined, you can actually get your own segmented LCDs made to suit your own projects.
[Icoso Labs] explains how it’s done,
with plenty of handy tips along the way.
There are three primary things you need to do to ... | 9 | 4 | [
{
"comment_id": "8187781",
"author": "Ostracus",
"timestamp": "2025-10-05T02:52:37",
"content": "Handy if one wants to go for that high-end audio equipment look.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8187784",
"author": "Vik Olliver",
"timesta... | 1,760,371,408.326851 | ||
https://hackaday.com/2025/10/04/open-source-controller-for-old-and-expensive-industrial-robots/ | Open Source Controller For Old And Expensive Industrial Robots | Maya Posch | [
"Reverse Engineering",
"Robots Hacks"
] | [
"AMD Zynq-7000 SoC",
"robot"
] | The Zynq-7000 usage at the core of the robot controller. (Credit: Excessive Overkill, YouTube)
Industrial robots like robotic arms are basically everywhere, albeit usually out of the public’s eye in factories. This also means that they get replaced and scrapped all the time, making for many opportunities to snap up an ... | 18 | 8 | [
{
"comment_id": "8187721",
"author": "Dude",
"timestamp": "2025-10-04T23:39:34",
"content": "What you say is bullshit there’s no cheap used robots in Tajikistan where I live. Keep us-centric stuff to minimum bro.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,371,408.709553 | ||
https://hackaday.com/2025/10/04/3d-printing-a-cheap-vr-headset/ | 3D Printing A Cheap VR Headset | Lewin Day | [
"3d Printer hacks"
] | [
"head tracking",
"headset",
"virtual reality",
"vr",
"vr headset"
] | The modern era of virtual reality really kicked off in earnest just over a decade ago, when the Oculus Rift promised 3D worlds beyond your wildest dreams. Since then, nobody’s been able to come up with a killer app to convince even a mild fraction of consumers to engage with the technology. Still, if you’re keen to tin... | 22 | 5 | [
{
"comment_id": "8187580",
"author": "Sven Hapsbjorg",
"timestamp": "2025-10-04T20:17:56",
"content": ">good results>LCDs don’t work properlyPick one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8187591",
"author": "G-man",
"timestamp": "2025-10-04T... | 1,760,371,408.808308 | ||
https://hackaday.com/2025/10/04/serial-and-updi-handled-together-with-one-convenient-circuit/ | Serial And UPDI Handled Together With One Convenient Circuit | Lewin Day | [
"Microcontrollers"
] | [
"serial",
"uart",
"UPDI"
] | Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] whipped up a circuit
to combine serial and UPDI programming in a very convenient way.
As an example, [Nicola] demonstrates the concept using an AVR128DA28 microcontroller. It’s paired with a 4052 ... | 8 | 5 | [
{
"comment_id": "8187507",
"author": "paulvdh",
"timestamp": "2025-10-04T17:36:35",
"content": "Nice trick, and worthy of publishing.About 20 odd years ago I did something similar with the AVR’s. I made a dip adapter that had both an atmega and an 4052, and I switched MISO / MOSI / SCK between the p... | 1,760,371,408.850142 | ||
https://hackaday.com/2025/10/04/how-do-the-normal-people-survive/ | How Do The Normal People Survive? | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"debugging tools",
"newsletter",
"oscilloscope",
"Rant"
] | It was one of those weeks last week at Hackaday’s home office. My mother-in-law handed me her favorite power bank and said “it’s not charging”. She had every expectation that I’ll open it up, desolder the weary pouch inside, scrounge a LiPo out of some corner of the basement, and have it back up and running before the ... | 115 | 35 | [
{
"comment_id": "8187429",
"author": "J",
"timestamp": "2025-10-04T14:04:40",
"content": "My condolences to those supporting family and friends through the Windows 10 EOL.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8187449",
"author": "bruno",
... | 1,760,371,409.065955 | ||
https://hackaday.com/2025/10/04/a-high-resolution-dac-from-scratch/ | A High Resolution ADC From Scratch | Bryan Cockfield | [
"classic hacks"
] | [
"16-bit",
"adc",
"analog digital converter",
"clock",
"counter",
"delta sigma",
"integration",
"integrator",
"op-amp",
"resolution"
] | It’s a well-known conundrum that while most computers these days are digital in nature, almost nothing in nature is. Most things we encounter in the real world, whether it’s temperature, time, sound, pressure, or any other measurable phenomenon comes to us in analog form. To convert these signals to something understan... | 6 | 4 | [
{
"comment_id": "8187397",
"author": "D VB",
"timestamp": "2025-10-04T11:58:38",
"content": "Title mentions DAC…..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8187489",
"author": "dudefromthenorth",
"timestamp": "2025-10-04T16:44:26",
... | 1,760,371,408.898678 | ||
https://hackaday.com/2025/10/04/how-your-sid-may-not-be-as-tuneful-as-youd-like/ | How Your SID May Not Be As Tuneful As You’d Like | Jenny List | [
"Musical Hacks",
"Retrocomputing"
] | [
"midisid",
"MOS 6581",
"sid"
] | The MOS Technologies 6581, or SID, is perhaps the integrated circuit whose sound is most sought-after in the chiptune world. Its three voices and mix of waveforms define so much of our collective memories of 1980s computing culture, so it’s no surprise that modern musicians seek out SID synthesisers of their own. One o... | 6 | 4 | [
{
"comment_id": "8187350",
"author": "Senile Data Systems",
"timestamp": "2025-10-04T09:09:05",
"content": "One of the SIDs in my 13 C64s also has a slight defect where one of the voices occasionally plays sour notes – out of tune by up to a note and a half. I need to use the SID test program on it ... | 1,760,371,409.224315 | ||
https://hackaday.com/2025/10/03/building-a-ham-radio-data-transceiver-on-the-cheap/ | Building A Ham Radio Data Transceiver On The Cheap | Lewin Day | [
"News"
] | [
"ham radio",
"radio",
"raspberry pi",
"RF"
] | Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital data modes to play with. [KM6LYW Radio] has been tinkering in this space, and whipped up a compact ham radio data rig that you can build
for well under $10... | 19 | 9 | [
{
"comment_id": "8187306",
"author": "Joshua",
"timestamp": "2025-10-04T05:38:36",
"content": "Once upon a time, ham radio was all about CW and voice transmissions and little else.And RTTY (“ritty”) at 45,45 Baud, I would say. :)Most morse code decoders or morse code keyboards of the 1970s had a RTT... | 1,760,371,409.284889 | ||
https://hackaday.com/2025/10/03/when-usb-charger-marketing-claims-are-technically-true/ | When USB Charger Marketing Claims Are Technically True | Maya Posch | [
"Teardown"
] | [
"scams",
"teardown",
"usb charger"
] | The 600W is not the output rating, despite all appearances. (Credit: Denki Otaku, YouTube)
We have seen many scam USB chargers appear over the years, with a number of them being enthusiastically ripped apart and analyzed by fairly tame electrical engineers. Often these are obvious scams with clear fire risks, massively... | 20 | 9 | [
{
"comment_id": "8187283",
"author": "SETH",
"timestamp": "2025-10-04T03:36:29",
"content": "PhD in Mathematics is just my DJ name 😂",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8187410",
"author": "Winston",
"timestamp": "2025-10-04T12:45... | 1,760,371,409.363253 | ||
https://hackaday.com/2025/10/03/cold-sensor-hot-results-upgrading-a-dslr-for-astrophotography/ | Cold Sensor, Hot Results: Upgrading A DSLR For Astrophotography | Matt Varian | [
"hardware"
] | [
"astrophotography",
"dslr",
"peltier cooler"
] | When taking pictures of the night sky, any noise picked up by the sensor can obscure the desired result. One major cause of noise in CMOS sensors is heat—even small amounts can degrade the final image. To combat this, [Francisco C] of Deep SkyLab retrofitted an old Canon T1i DSLR with an
external cooler to reduce therm... | 16 | 8 | [
{
"comment_id": "8187229",
"author": "Ray",
"timestamp": "2025-10-03T23:26:28",
"content": "A cool project",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8187253",
"author": "AlongTheWay",
"timestamp": "2025-10-04T00:45:30",
"content"... | 1,760,371,409.415714 | ||
https://hackaday.com/2025/10/03/build-a-3d-printed-tide-clock-so-you-know-when-the-sea-is-coming-to-get-you/ | Build A 3D Printed Tide Clock So You Know When The Sea Is Coming To Get You | Lewin Day | [
"clock hacks"
] | [
"a moon called moon",
"clock",
"moon",
"The Moon",
"tidal",
"tide",
"tide clock"
] | The tides! Such a unique thing, because on Earth, we don’t just have oceans full of liquid water—we also have a big ol’ moon called Moon to pull them around. You might like to keep track of the tides; if so,
this tide clock from [rabbitcreek] could come in handy.
The motions of the tides are moderately complex; it was ... | 8 | 4 | [
{
"comment_id": "8187197",
"author": "m1ke",
"timestamp": "2025-10-03T22:15:23",
"content": "“we also have a big ol’ moon called Moon…” lol",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8187267",
"author": "echodelta",
"timestamp": "2025-10-... | 1,760,371,409.179817 | ||
https://hackaday.com/2025/10/03/pulling-a-high-vacuum-with-boiling-mercury/ | Pulling A High Vacuum With Boiling Mercury | Aaron Beckendorf | [
"Science"
] | [
"high vacuum pump",
"mercury",
"vacuum pump"
] | If you need to create a high vacuum, there are basically two options: turbomolecular pumps and diffusion pumps. Turbomolecular pumps require rotors spinning at many thousands of rotations per minute and must be carefully balanced to avoid a violent self-disassembly, but diffusion pumps aren’t without danger either, par... | 21 | 5 | [
{
"comment_id": "8187134",
"author": "Frank Wilhoit",
"timestamp": "2025-10-03T19:37:11",
"content": "Liquid mercury has a notoriously high vapor pressure — that is the source of most of the element’s real-world toxicity — and it would seem that a pump in which mercury was the working fluid could, b... | 1,760,371,409.708789 | ||
https://hackaday.com/2025/10/03/hackaday-podcast-episode-340-the-best-programming-language-space-surgery-and-hacking-two-3d-printers-into-one/ | Hackaday Podcast Episode 340: The Best Programming Language, Space Surgery, And Hacking Two 3D Printers Into One | Al Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Elliot Williams and Al Williams got together to share their favorite hacks of the week with you. If you listen in, you’ll hear exciting news about the upcoming SuperCon and the rare occurrence of Al winning the What’s That Sound game.
For hacks, the guys talk about the IEEE’s take on the “best” programming languages of... | 0 | 0 | [] | 1,760,371,409.53809 | ||
https://hackaday.com/2025/10/03/a-treasure-trove-of-random-vintage-tech-resources/ | A Treasure Trove Of Random Vintage Tech Resources | Lewin Day | [
"classic hacks",
"Retrocomputing"
] | [
"archive",
"diskettes",
"disks"
] | Finding, collecting, and restoring vintage tech is the rewarding pastime of many a Hackaday reader. Working with old-school gear can be tough, though, when documentation or supporting resources are hard to find. If you’re in need of an old manual or a little scrap of software,
you might find the Vintage Technology Digi... | 7 | 4 | [
{
"comment_id": "8187112",
"author": "Greg A",
"timestamp": "2025-10-03T18:40:23",
"content": "haha wild – i randomly wound up looking at a Sams service manual for the ibm 5150, and i just stumbled onto information i was actively seeking 24 years ago when someone asked me to try to recover data on h... | 1,760,371,409.75554 | ||
https://hackaday.com/2025/10/03/this-week-in-security-cvss-0-chwoot-and-not-in-the-threat-model/ | This Week In Security: CVSS 0, Chwoot, And Not In The Threat Model | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks"
] | [
"chroot",
"CVSS",
"SEV",
"sudo",
"This Week in Security"
] | This week a reader sent me
a story about a CVE in Notepad++
, and something isn’t quite right. The story is a DLL hijack, a technique where a legitimate program’s Dynamic Link Library (DLL) is replaced with a malicious DLL. This can be used for very stealthy persistence as well as escalation of privilege. This one was ... | 4 | 3 | [
{
"comment_id": "8187140",
"author": "limroh",
"timestamp": "2025-10-03T19:48:08",
"content": "Dunno if this is just a coincidence but Unity “apparently” has a CVE with a CVSS Score of 8.4But from the actual description this seems grossly overestimated – AFAICT it’s a non issue because if an attacke... | 1,760,371,409.81058 | ||
https://hackaday.com/2025/10/03/giant-airplane-goes-long-on-specialization/ | Giant Airplane Goes Long On Specialization | Tyler August | [
"Transportation Hacks"
] | [
"aircraft",
"single-purpose",
"wind power"
] | While not everyone agrees on the installation of wind turbines in their proverbial back yards, one thing not up for debate is that there is a drive to build them bigger, and bigger. Big turbines means big blades, and big blades need to be transported… somehow. If air freight is going to stay relevant to the industry,
w... | 63 | 13 | [
{
"comment_id": "8186997",
"author": "Brian",
"timestamp": "2025-10-03T11:24:46",
"content": "The concept is interesting. I think their stated timeline (flying by 2030) is so laughably unrealistic as to make me seriously wonder if the whole thing is a scam. Or perhaps their CEO is just taking classe... | 1,760,371,409.646036 | ||
https://hackaday.com/2025/10/03/air-quality-monitor-plays-game-of-life/ | Air Quality Monitor PlaysGame Of Life | Lewin Day | [
"Games",
"home hacks"
] | [
"air quality",
"Raspberry Pi Pico W",
"sgp40"
] | The problem with air quality is that you can’t really tell how good or bad it is just by looking…unless it’s
really
bad, that is. It’s usually more helpful to have some kind of sensor that can tell you what the deal is.
To that end, [Arnov Sharma] built a neat air quality monitor with a fun twist.
A Raspberry Pi Pico W... | 8 | 4 | [
{
"comment_id": "8186956",
"author": "Andrzej",
"timestamp": "2025-10-03T09:04:00",
"content": "Come on, what’s with the flashing? I can only assume that this looks at least passable in real life, so please bump the camera exposure time or increase the strobe frequency…This level of attention to det... | 1,760,371,409.859447 | ||
https://hackaday.com/2025/10/02/yes-gemini-a-wii-server-is-possible/ | Yes, Gemini, A Wii Server Is Possible | Tyler August | [
"Nintendo Wii Hacks"
] | [
"ArchPower",
"file server",
"minecraft server",
"Wii-Linux"
] | When [Reit Tech] needed something to do with an old Nintendo Wii, he turned to Google. When the AI overview told him it could not be used as a server, he had his mission:
prove that clanker wrong.
It already runs Doom, so what else is there to do?
Of course should not that hard: Linux has been available on the Wii for ... | 20 | 13 | [
{
"comment_id": "8186892",
"author": "Andrew",
"timestamp": "2025-10-03T05:10:38",
"content": "I expect the AI summary was not only wrong, butconfidentlywrong.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8187094",
"author": "KDawg",
"times... | 1,760,371,409.928927 | ||
https://hackaday.com/2025/10/02/implementing-a-kalman-filter-in-postgresql-to-smooth-gps-data/ | Implementing A Kalman Filter In PostgreSQL To Smooth GPS Data | Maya Posch | [
"Software Development"
] | [
"database",
"PL/pgSQL",
"postgres",
"sql"
] | Usually databases are treated primarily as fairly dumb data storage systems, but they can be capable of much more. Case in point the PostgreSQL database and its – Ada-based – PL/pgSQL programming language, which allows you to perform significantly more complex operations than would be realistically possible with raw SQ... | 7 | 1 | [
{
"comment_id": "8186943",
"author": "aki009",
"timestamp": "2025-10-03T08:15:40",
"content": "It would seem to me that one wants to offload SQL servers as much as possible. Not only for performance, but because it’s usually the most expensive compute-time short of GPU farms. Hence one’s wallet woul... | 1,760,371,409.98268 | ||
https://hackaday.com/2025/10/02/kei-truck-becomes-tiny-rv/ | Kei Truck Becomes Tiny RV | Navarre Bartz | [
"Transportation Hacks"
] | [
"camping",
"glamping",
"kei truck",
"recreational vehicle",
"rv"
] | Tent camping lets you explore places on foot you could never reach another way, but sometimes you want to camp with a bit more luxury. [Levi Kelly] decided to see
how small you could make an RV
. [via
Autopian
]
While we won’t argue one way or another on his claim to world’s smallest, as that likely depends on your def... | 16 | 8 | [
{
"comment_id": "8186855",
"author": "dremu",
"timestamp": "2025-10-03T01:49:49",
"content": "Were the camper proper a fiberglass affair with rear overhang, it would be reminiscent of Susan Calman’s Helen Mirren.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,371,410.336212 | ||
https://hackaday.com/2025/10/02/building-a-desk-display-for-time-and-weather-data/ | Building A Desk Display For Time And Weather Data | Lewin Day | [
"clock hacks"
] | [
"clock",
"ESP32",
"ESP8266",
"weather"
] | Just about every laptop, desktop, and smartphone in your life can tell you the date, time, and current weather predictions. However, sometimes it’s nice to have simple data displayed on a bespoke device.
That’s what inspired [Mario] to create ESPTimeCast.
As you might have guessed by the name, the project is designed a... | 19 | 8 | [
{
"comment_id": "8186813",
"author": "Alex",
"timestamp": "2025-10-02T23:28:56",
"content": "Awesome project overall, simple hardware and very nicely produced firmware. I didn’t know those matrix displays were so cheap! Looks like they are in the AU$6-7 range, which is amazing considering what they ... | 1,760,371,410.25631 | ||
https://hackaday.com/2025/10/05/hackaday-links-october-5-2025/ | Hackaday Links: October 5, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"240Z",
"ai",
"alexa",
"ble",
"botnet",
"Datsun",
"exploit",
"Flock",
"gunshot",
"hackaday links",
"human distress",
"humanoid",
"license plate reader",
"restoration",
"robotaxi",
"scream",
"self-driving",
"unitree",
"vulnerability",
"Waymo",
"wifi"
] | What the Flock? It’s probably just some quirk of The Almighty Algorithm, but ever since we featured
a story on Flock’s crime-fighting drones
last week, we’ve been flooded with other stories about the company, some of which aren’t very flattering. The first thing that we were pushed was
this handy interactive map
of the... | 15 | 5 | [
{
"comment_id": "8188068",
"author": "PWalsh",
"timestamp": "2025-10-05T23:25:43",
"content": "I remember reading an article about the Raven system – it heard a gunshot and successfully located the shot to a car stopped at a railway crossing, the car was caught on camera, and the license plate led t... | 1,760,371,410.185848 | ||
https://hackaday.com/2025/10/05/divining-air-quality-with-a-cheap-computer-vision-device/ | Divining Air Quality With A Cheap Computer Vision Device | Lewin Day | [
"Artificial Intelligence"
] | [
"air quality",
"ESP32",
"video"
] | There are all kinds of air quality sensors on the market that rely on all kinds of electro-physical effects to detect gases or contaminants and report them back as a value. [lucascreator] has instead been investigating a method of determining air quality that is closer to divination than measurement—
using computer vis... | 10 | 8 | [
{
"comment_id": "8188066",
"author": "SETH",
"timestamp": "2025-10-05T23:22:17",
"content": "The irony, I was just telling someone a visual assessment of atmospheric opacity and coloration is not how AQI is measured. There can be clearish looking skies and poor air quality. I have breathing issues a... | 1,760,371,410.44165 | ||
https://hackaday.com/2025/10/05/optimizing-a-quicktake-image-decoder-for-the-apple-iis-6502/ | Optimizing A QuickTake Image Decoder For The Apple II’s 6502 | Maya Posch | [
"Mac Hacks"
] | [
"6502",
"6502 microprocessor",
"apple II",
"Apple QuickTake"
] | The idea of using the Apple II home computer for digital photography purposes may seem somewhat daft considering that this is not a purpose that they were ever designed for, yet this is the goal that [Colin Leroy-Mira] had, requiring
some image decoder optimizations
. That said, it’s less crazy than one might assume at... | 7 | 5 | [
{
"comment_id": "8187992",
"author": "baltar",
"timestamp": "2025-10-05T17:12:38",
"content": "Is this part of QT library? It should run on modern PCs too.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8188150",
"author": "Rastersoft",
"time... | 1,760,371,410.390666 | ||
https://hackaday.com/2025/10/05/wearable-neon-necklaces-run-on-battery-power/ | Wearable Neon Necklaces Run On Battery Power | Lewin Day | [
"Misc Hacks"
] | [
"glass",
"neon",
"neon tube"
] | We typically think of neon signs as big commercial advertisements, hanging inside windows and lofted on tall signposts outside highway-adjacent businesses. [James Akers] has gone the other route with a fashionable build,
creating little wearable neon necklaces that glow beautifully in just the same way.
Aiming for smal... | 22 | 7 | [
{
"comment_id": "8187962",
"author": "That's on a need to know basis",
"timestamp": "2025-10-05T15:07:20",
"content": "That looks sick. I was expecting LED filament but actual neon… dangMakes me wonder tho… how are those high voltages managed? tbh i’m not sure i’d want a few kV around my neck :)Stil... | 1,760,371,410.126001 | ||
https://hackaday.com/2025/10/05/3d-printing-a-new-kind-of-skateboard-that-is-ultimately-unsafe/ | 3D Printing A New Kind Of Skateboard That Is Ultimately Unsafe | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"one wheel",
"skateboard"
] | Skateboards were organically developed in the 1940s and 1950s; 30 years would then pass before the ollie was developed, unlocking new realms for skaters dedicated to the artform. The advent of powerful batteries and motors would later make the electric skateboard a practical and (un?)fashionable method of transport in ... | 12 | 9 | [
{
"comment_id": "8187905",
"author": "Joshua",
"timestamp": "2025-10-05T12:18:24",
"content": "Fun fact I learned from this video is plastic used to make hinges in toilet seats is very resistant to acetic acid. This could come in handy when building RC planes.",
"parent_id": null,
"depth": 1... | 1,760,371,410.043959 | ||
https://hackaday.com/2025/10/05/simple-counter-mechanism-in-an-asthma-inhaler/ | Simple Counter Mechanism In An Asthma Inhaler | Maya Posch | [
"Reverse Engineering",
"Teardown"
] | [
"copd",
"mechanical counter"
] | The counter wheel and white worm gear inside the counter. (Credit: Anthony Francis-Jones, YouTube)
Recently [Anthony Francis-Jones] decided to
take a closer look at the inhaler
that his son got prescribed for some mild breathing issues, specifically to teardown the mechanical counter on it. Commonly used with COPD cond... | 10 | 5 | [
{
"comment_id": "8187850",
"author": "Menno",
"timestamp": "2025-10-05T08:45:59",
"content": "“COPD conditions like asthma”Asthma is not considered a COPD condition.Asthma and COPD are different entities in terms of etiology, pathofysiology, prognosis and treatment. Pulmonary conditions like asthma ... | 1,760,371,410.501472 | ||
https://hackaday.com/2025/10/04/2025-component-abuse-challenge-digital-logic-with-analog-components/ | 2025 Component Abuse Challenge: Digital Logic With Analog Components | Bryan Cockfield | [
"contests"
] | [
"2025 Component Abuse Challenge",
"analog",
"digital logic",
"gate",
"latch",
"logic",
"multiplexer",
"switch"
] | [Tim] noticed recently that a large number of projects recreating discrete logic tend to do so with technology around 70 years old like resistor-transistor logic (RTL) or diode-transistor logic (DTL). To build something with these logic families nowadays requires an intense treasure hunt of antique components bordering... | 10 | 6 | [
{
"comment_id": "8187838",
"author": "M",
"timestamp": "2025-10-05T08:05:58",
"content": "Reminds me ofhttps://hackaday.io/page/21269-740414-not-all-inverters-are-the-samewhere digital ICs are used as analog amplifiers in a crystal oscillator.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,410.551437 | ||
https://hackaday.com/2025/10/02/building-a-functional-alien-motion-tracker/ | Building A FunctionalAliensMotion Tracker | Lewin Day | [
"Toy Hacks"
] | [
"aliens",
"radar"
] | Aliens
is the second film from the legendary science-fiction series about, well… aliens. Naturally, it featured some compelling future-tech — such as the M314 Motion Tracker. [RobSmithDev] wanted to recreate the device himself, using modern technology
to replicate the functionality as closely as possible.
While a lot o... | 6 | 4 | [
{
"comment_id": "8186765",
"author": "Yet Another Robert Smith",
"timestamp": "2025-10-02T20:53:01",
"content": "As one Rob Smith to another, well done!I for one would like a water pistol based on the UA571-C auto sentry from Aliens to keep cats out of my yard.",
"parent_id": null,
"depth": ... | 1,760,371,410.681594 | ||
https://hackaday.com/2025/10/02/how-hydraulic-ram-pumps-push-water-uphill-with-no-external-power-input/ | How Hydraulic Ram Pumps Push Water Uphill With No External Power Input | Lewin Day | [
"Hackaday Columns",
"Misc Hacks",
"Slider"
] | [
"hydraulic ram pump",
"pump",
"water hammer"
] | Imagine you have a natural stream running through a low-lying area on your farm. It’s a great source of fresh water, only you really need it to irrigate some crops sitting at a higher elevation. The area is quite remote from fixed utilities, complicating the problem.
Your first thought might be to grab a commercial off... | 33 | 16 | [
{
"comment_id": "8186701",
"author": "macsimki",
"timestamp": "2025-10-02T17:31:29",
"content": "we have a water ram lik this here in the Sonsbeekpark in Armhem. it feeds a fountain, albeit the smoothing is omitted, so the fountain pulses. the feed height difference is not that much. about 2 meters.... | 1,760,371,410.760404 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.