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/2025/08/10/coping-with-disappearing-capacitance-in-a-buck-converter/ | Coping With Disappearing Capacitance In A Buck Converter | Aaron Beckendorf | [
"hardware",
"Parts"
] | [
"analog discovery",
"buck converter",
"capacitor",
"ceramic",
"ceramic capacitor",
"dielectric"
] | Designing a circuit is a lot easier on paper, where components have well-defined values, or lacking that, at least well-defined tolerances. Unfortunately, even keeping percentage tolerances in mind isn’t always enough to make sure that circuits work correctly in the real world, as [Tahmid] demonstrates by
diagnosing a ... | 25 | 7 | [
{
"comment_id": "8160389",
"author": "Bunsen",
"timestamp": "2025-08-10T18:07:55",
"content": "Class 2 ceramic capacitors are probably the most popular way to start learning about Standard Datasheet Lies, the nice-sounding specs that are technically not quite lies but are applicable to approximately... | 1,760,371,460.084117 | ||
https://hackaday.com/2025/08/10/a-solar-only-battery-free-device-that-harvests-energy-from-a-bpw34-photodiode/ | A Solar-Only, Battery-Free Device That Harvests Energy From A BPW34 Photodiode | John Elliot V | [
"hardware",
"Radio Hacks",
"Solar Hacks",
"Wireless Hacks"
] | [
"bluetooth low energy",
"BPW34 Silicon PIN photodiode",
"BQ25504 ultra-low-power boost converter",
"mosfet",
"Nordic nRF"
] | Normally when you think solar projects, you think of big photovoltaic cells. But a photodiode is just an inefficient, and usually much smaller, PV cell. Since [Pocket Concepts]’s
Solar_nRF
has such a low power budget, it can
get away with using BPW34 photodiodes in place of batteries
. (Video, embedded below.)
The BPW3... | 21 | 8 | [
{
"comment_id": "8160307",
"author": "ono",
"timestamp": "2025-08-10T14:25:37",
"content": "It´s a good old trick, but the star of the show here is not the BPW34, it´s the incredible BQ25504 !!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8161058",
... | 1,760,371,459.888119 | ||
https://hackaday.com/2025/08/09/a-love-letter-to-prototype-zero/ | A Love Letter To Prototype Zero | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"creativity",
"newsletter",
"prototyping"
] | An old friend of mine at my hackerspace introduced me to the concept of Prototype Zero: The Version that Even Your Own Sweet Mother Isn’t Allowed to See. The idea is that when you’re building something truly new, or even just new to you, your first take will almost always be ugly, and nothing will work the way it will ... | 11 | 5 | [
{
"comment_id": "8159800",
"author": "CMH62",
"timestamp": "2025-08-09T15:33:54",
"content": "Oh my goodness, this PERFECTLY describes the very first “Arduino” project I did many, many years ago. I knew nothing about electronics but had seen a MAKE magazine in a bookstore, was curious, bought it, a... | 1,760,371,460.254061 | ||
https://hackaday.com/2025/08/09/3d-printing-a-giant-beyblade-arena/ | 3D Printing A Giant Beyblade Arena | Lewin Day | [
"Toy Hacks"
] | [
"arena",
"beyblade"
] | Beyblade spinning tops are pretty easy to find at toy shops, department stores, and even some supermarkets. However, the arenas in which the tops do battle? They’re
much
harder to come by, and the ones on sale in any given market often leave a lot to be desired. [LeftBurst] got around this problem
by printing a grandio... | 4 | 3 | [
{
"comment_id": "8159703",
"author": "Hussien",
"timestamp": "2025-08-09T12:06:17",
"content": "sage",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8159962",
"author": "TG",
"timestamp": "2025-08-09T23:12:45",
"content": "Geg",
... | 1,760,371,459.764243 | ||
https://hackaday.com/2025/08/09/learn-c-with-a-lisp/ | Learn C With A Lisp | Al Williams | [
"Software Development"
] | [
"c++",
"lisp"
] | One reason Forth remains popular is that it is very simple to create, but also very powerful. But there’s an even older language that can make the same claim: LISP. Sure, some people think that’s an acronym for “lots of irritating spurious parenthesis,” but if you can get past the strange syntax, the language is elegan... | 19 | 11 | [
{
"comment_id": "8159616",
"author": "Saint Aardvark the Carpeted",
"timestamp": "2025-08-09T08:20:25",
"content": "Neat! I am always grateful when authors make their book freely available. This may be the thing that finally lets me understand C.This book will also join the Make-a-lisp project (ht... | 1,760,371,460.136532 | ||
https://hackaday.com/2025/08/08/one-file-six-formats-just-change-the-extension/ | One File, Six Formats: Just Change The Extension | Lewin Day | [
"Software Hacks"
] | [
"file format",
"file formats",
"mp4",
"pdf",
"png"
] | Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has crafted a file that can behave as six different filetypes,
simply by swapping out the extension at the end of the filenam... | 39 | 15 | [
{
"comment_id": "8159564",
"author": "pelrun",
"timestamp": "2025-08-09T06:01:46",
"content": "Ange Albertini has a long series of articles on making polyglot files in PoC||GTFO –https://github.com/angea/pocorgtfois his mirror of the issues but there are plenty of others.",
"parent_id": null,
... | 1,760,371,460.020461 | ||
https://hackaday.com/2025/08/08/whispers-from-the-void-transcribed-with-ai/ | Whispers From The Void, Transcribed With AI | Heidi Ulrich | [
"Artificial Intelligence",
"digital audio hacks",
"Radio Hacks"
] | [
"audio",
"CUDA",
"gpu",
"openai",
"radio",
"sdr",
"VAD",
"whisper"
] | ‘Hearing voices’ doesn’t have to be worrisome, for instance when software-defined radio (SDR) happens to be your hobby. It can take quite some of your time and attention to pull voices from the ether and decode them. Therefore, [theckid] came up with a nifty solution:
RadioTranscriptor
. It’s a homebrew Python script t... | 14 | 7 | [
{
"comment_id": "8159525",
"author": "Evan",
"timestamp": "2025-08-09T04:06:54",
"content": "As far as I can tell, this is getting its input from your computer’s microphone / audio in, not an SDR. I guess you could use a virtual audio interface to get the audio from some other program that’s actuall... | 1,760,371,459.819302 | ||
https://hackaday.com/2025/08/08/tearing-down-a-mysteriously-cheap-5-fiber-optic-to-cable-tv-adapter/ | Tearing Down A Mysteriously Cheap $5 Fiber Optic To Cable TV Adapter | Lewin Day | [
"Misc Hacks"
] | [
"cable",
"fiber",
"fiber optic",
"RF",
"RF modulator"
] | In his regular browsing on AliExpress, [Ben Jeffrey] came across something he didn’t understand—
a $5 fiber optic to RF cable TV adapter
. It was excessively cheap, and even more mysteriously, this thing didn’t even need power. He had to know how it worked, so he bought one and got down to tinkering with it.
Inside the... | 26 | 2 | [
{
"comment_id": "8159391",
"author": "volt-k",
"timestamp": "2025-08-08T23:09:39",
"content": "Is RF TV over fiber a standard thing to begin with? As I’m struggling to see why would anyone need this adapter in the first place.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,460.206252 | ||
https://hackaday.com/2025/08/08/clock-of-clocks-expands-goes-digital/ | Clock Of Clocks Expands, Goes Digital | Tyler August | [
"clock hacks"
] | [
"acrylic",
"clock",
"cnc",
"light pipe",
"meta clock",
"neopixel",
"PMMA",
"rgb",
"stepper"
] | Some people just want to have their cake and eat it too, but very few of us ever get to pull it off. [Erich Styger] has, though with
V5 of his “MetaMetaClock”
— a clock made of clocks, that uses the orientation of the hands to create digits.
We’ve seen
previous versions
of this clock. As before, the build is exquisitel... | 9 | 3 | [
{
"comment_id": "8159333",
"author": "Paul",
"timestamp": "2025-08-08T20:41:32",
"content": "So, if you want to see what this would look like before building all those clocks, you could cut 60 holes in a piece of cardboard, place it over a 40″ LCD, and tile a bunch of analog clock animations in that... | 1,760,371,459.940654 | ||
https://hackaday.com/2025/08/08/2025-one-hertz-challenge-the-real-time-clock-the-vic-20-never-had/ | 2025 One Hertz Challenge: The Real-Time Clock The VIC-20 Never Had | Lewin Day | [
"contests",
"Retrocomputing"
] | [
"2025 Hackaday One Hertz Challenge",
"real time clock",
"VIC-20"
] | Like many early microcomputers, the Commodore VIC-20 did not come with an interna real-time clock built into the system.
[David Hunter] has seen fit to rectify that with an add-on module
as his entry to the 2025 One Hertz Challenge.
[David]’s project was inspired by a product that Hayes produced in the 1980s, which pro... | 6 | 4 | [
{
"comment_id": "8159359",
"author": "Gus Mueller",
"timestamp": "2025-08-08T22:02:09",
"content": "I remember wiring up some sort of RTC to a VIC-20 back in the 1980s — of course, I connected it directly to the address and data bus of the 6502 so it would be in the memory space along with gobs or b... | 1,760,371,459.713754 | ||
https://hackaday.com/2025/08/08/hackaday-podcast-episode-332-5-axes-are-better-than-3-hacking-your-behavior-and-the-man-who-made-models/ | Hackaday Podcast Episode 332: 5 Axes Are Better Than 3, Hacking Your Behavior, And The Man Who Made Models | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Elliot and Dan got together this week for a review of the week’s hacking literature, and there was plenty to discuss. We addressed several burning questions, such as why digital microscopes are so terrible, why computer systems seem to have so much trouble with names, and if a thermal receipt printer can cure ADHD.
We ... | 0 | 0 | [] | 1,760,371,460.293408 | ||
https://hackaday.com/2025/08/08/talking-robot-uses-typewriter-tech-for-mouth/ | Talking Robot Uses Typewriter Tech For Mouth | Lewin Day | [
"Robots Hacks"
] | [
"animatronics",
"ibm",
"puppet",
"robot",
"Selectric",
"typewriter"
] | Many decades ago, IBM engineers developed the typeball. This semi-spherical hunk of metal would become the heart of the Selectric typewriter line. [James Brown] has now leveraged that very concept to create a pivoting mouth mechanism for a robot
that appears to talk.
What you’re looking at is a plastic ball with lots o... | 15 | 10 | [
{
"comment_id": "8159219",
"author": "smellsofbikes",
"timestamp": "2025-08-08T15:55:37",
"content": "He consistently builds the most mind-blowing stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8159220",
"author": "cliff claven",
"timestamp": "2... | 1,760,371,460.47956 | ||
https://hackaday.com/2025/08/08/this-week-in-security-perplexity-v-cloudflare-greedybear-and-hashicorp/ | This Week In Security: Perplexity V Cloudflare, GreedyBear, And HashiCorp | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks"
] | [
"ai",
"GreedyBear",
"HashiCorp",
"NVIDIA",
"This Week in Security"
] | The Internet is fighting over whether
robots.txt
applies to AI agents. It all started when
Cloudflare published a blog post
, detailing what the company was seeing from Perplexity crawlers. Of course, automated web crawling is part of how the modern Internet works, and almost immediately after the first web crawler was... | 7 | 4 | [
{
"comment_id": "8159205",
"author": "Collie147",
"timestamp": "2025-08-08T15:19:34",
"content": "Any robot, AI, corporeal or non corporeal being should respect robots.txt. But I put a lock on my door, that doesn’t mean everyone will respect that and keep out but if I find my stuff in someone else’s... | 1,760,371,460.424603 | ||
https://hackaday.com/2025/08/08/is-it-time-to-retire-the-tp4056/ | Is It Time To Retire The TP4056? | Tyler August | [
"Battery Hacks",
"Parts"
] | [
"BQ25185",
"charge controller",
"lithium battery",
"TP4056"
] | The TP4056 is the default charge-controller chip for any maker or hacker working with lithium batteries. And why not? You can get perfectly-functional knockoffs on handy breakout boards from the usual online sources for pennies. Betteridge’s Law aside, [Lefty Maker] thinks that it may well be time to move on from the T... | 30 | 13 | [
{
"comment_id": "8159099",
"author": "Pedro",
"timestamp": "2025-08-08T11:08:10",
"content": ">perfectly-functional>knockoffspick one.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8159321",
"author": "Daniel",
"timestamp": "2025-08-08T20:14... | 1,760,371,461.095344 | ||
https://hackaday.com/2025/08/08/exploring-the-trs-80s-color-basics-random-number-function/ | Exploring The TRS-80’s Color BASIC’s Random Number Function | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"basic",
"pseudorandom",
"trs-80"
] | Although these days we get to tap into many sources of entropy to give a pretty good illusion of randomness, home computers back in the 1980s weren’t so lucky. Despite this, their random number generators were good enough for games and such, as
demonstrated by the [CoCo Town] YouTube channel
.
The CoCo is the nickname ... | 6 | 5 | [
{
"comment_id": "8159093",
"author": "Julian Skidmore",
"timestamp": "2025-08-08T10:55:17",
"content": "ZX81 BASIC’s Random function is probably simpler (not having watched the video). It’s uint16_t seed=((seed+1)*75) MOD 65537)-1. MOD 65537 is easy to compute:uint32_t tmp=((seed+1)*75; // it’s neve... | 1,760,371,460.748817 | ||
https://hackaday.com/2025/08/07/light-transport-and-constructing-images-from-a-projectors-point-of-view/ | Light Transport And Constructing Images From A Projector’s Point Of View | Lewin Day | [
"digital cameras hacks"
] | [
"camera",
"optics",
"photograph",
"projector",
"siggraph"
] | Imagine you have a projector pointing at a scene, which you’re photographing with a camera aimed from a different point. Using the techniques of modelling light transport, [okooptics] has shown us how you can capture an image from the projector’s point of view, instead of the camera—
and even synthetically light the sc... | 6 | 4 | [
{
"comment_id": "8159032",
"author": "paulvdh",
"timestamp": "2025-08-08T08:07:53",
"content": "Please also add the tag:https://hackaday.com/tag/structured-light/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8159052",
"author": "boondaburrah",
"times... | 1,760,371,461.023925 | ||
https://hackaday.com/2025/08/07/microsofts-new-agentic-web-protocol-stumbles-with-path-traversal-exploit/ | Microsoft’s New Agentic Web Protocol Stumbles With Path Traversal Exploit | Maya Posch | [
"Artificial Intelligence",
"internet hacks"
] | [
"chatbot",
"computer security",
"large language model"
] | If the term ‘NLWeb’ first brought to mind an image of a Dutch internet service provider, you’re probably not alone. What it actually is – or tries to become – is Microsoft’s vision of a parallel internet protocol using which website owners and application developers can integrate whatever LLM-based chatbot they desire.... | 11 | 8 | [
{
"comment_id": "8158904",
"author": "SETH",
"timestamp": "2025-08-08T02:05:52",
"content": "Yikes, the same companies touting AI integration into software and OS are the same ones telling us we have to have encrypted disks, secure boot and TPM. Weird.",
"parent_id": null,
"depth": 1,
"... | 1,760,371,460.975365 | ||
https://hackaday.com/2025/08/07/teardown-of-a-persil-smartwash-smart-laundry-detergent-ball/ | Teardown Of A Persil Smartwash Smart Laundry Detergent Ball | Maya Posch | [
"Teardown"
] | [
"internet of things",
"laundry",
"teardown"
] | How to make doing laundry more smart, depending on your perspective. (Credit: Zerobrain, YouTube)
Ever since the invention of washing machines, the process of doing laundry has become rather straightforward. Simply toss the dirty laundry into the machine, fill up the detergent, and let the preset program handle the res... | 37 | 12 | [
{
"comment_id": "8158876",
"author": "SteveS",
"timestamp": "2025-08-08T00:51:43",
"content": "Smart… wifi connected…. laundry detergent pods….Which are actually full of well-engineered sensors and pumps, because that’s important when you’re dealing with … (checks notes) … laundry detergent.Which i... | 1,760,371,460.925322 | ||
https://hackaday.com/2025/08/07/a-repeater-for-wwvb/ | A Repeater For WWVB | Bryan Cockfield | [
"clock hacks"
] | [
"amplifier",
"arduino",
"clock",
"pwm",
"radio",
"watch",
"wristwatch",
"wwvb"
] | For those living in the continental US who, for whatever reason, don’t have access to an NTP server or a GPS device, the next best way to make sure the correct time is known is with the WWVB radio signal. Transmitting out of Colorado, the 60-bit 1 Hz signal reaches all 48 states in the low-frequency band and is a great... | 11 | 7 | [
{
"comment_id": "8158781",
"author": "William",
"timestamp": "2025-08-07T20:23:40",
"content": "Cool project, though txtempus can already do this and only needs an RPi zero. I use it to sync all my watches and a clock a meter away from the nightstand.",
"parent_id": null,
"depth": 1,
"re... | 1,760,371,461.183208 | ||
https://hackaday.com/2025/08/07/2025-one-hertz-challenge-the-easy-way-to-make-a-nixie-tube-clock/ | 2025 One Hertz Challenge: The Easy Way To Make A Nixie Tube Clock | Lewin Day | [
"clock hacks",
"contests"
] | [
"2025 Hackaday One Hertz Challenge",
"clock",
"frequency counter",
"nixie",
"nixie tube"
] | Let’s say you want to build a Nixie clock. You could go out and find some tubes, source a good power supply design, start whipping up a PCB, and working on a custom enclosure. Or, you could skip all that,
and just follow [Simon]’s example instead.
The trick to building a Nixie clock fast is quite simple — just get your... | 3 | 3 | [
{
"comment_id": "8158812",
"author": "Scoops",
"timestamp": "2025-08-07T21:55:39",
"content": "This is similar to how I did my counter clock, but mine sent 1 pulse every second. Then after 59 seconds, reset the counter and send 100 pulses up to the next minute to advance the minute:https://hackaday.... | 1,760,371,461.137666 | ||
https://hackaday.com/2025/08/07/the-64-degree-egg-and-other-delicious-variants/ | The 64-Degree Egg, And Other Delicious Variants | Lewin Day | [
"cooking hacks",
"Hackaday Columns",
"Slider"
] | [
"cooking",
"egg",
"eggs",
"sous-vide"
] | Many of us have boiled an egg at some point or another in our lives. The conventional technique is relatively straightforward—get the water boiling, drop the egg in, and leave it for a certain period of time based on the desired consistency. If you want the yolk soft, only leave it in for a few minutes, and if you want... | 43 | 19 | [
{
"comment_id": "8158713",
"author": "David H",
"timestamp": "2025-08-07T17:09:39",
"content": "This article differs in significant ways from the explanation given by the totally serious & factual & not at all silly science program “Look Around You” (https://youtu.be/Bi-Up8Xuh9c?si=-v2o7Jhk_hMsVw6c)... | 1,760,371,461.272684 | ||
https://hackaday.com/2025/08/07/buying-large-lifepo4-batteries-how-cheap-is-too-cheap/ | Buying Large LiFePO4 Batteries: How Cheap Is Too Cheap? | Maya Posch | [
"Battery Hacks",
"Teardown"
] | [
"LiFePO4",
"lithium battery",
"teardown"
] | It’s a well-known factoid that batteries keep getting cheaper while capacity increases. That said, as with any market that is full of people who are hunting for that ‘great deal’, there are also many shady sellers who will happily sell you a product that could be very dangerous. Especially in the case of large LiFePO
4... | 42 | 12 | [
{
"comment_id": "8158688",
"author": "Jan Prägert",
"timestamp": "2025-08-07T15:57:19",
"content": "I mean, if you have a garden, you could dig a pit, concrete-line it and place all that stuff into it.Totally secure.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,461.355764 | ||
https://hackaday.com/2025/08/07/vrml-and-the-dream-of-bringing-3d-to-the-world-wide-web/ | VRML And The Dream Of Bringing 3D To The World Wide Web | Maya Posch | [
"Featured",
"History",
"Interest",
"internet hacks",
"Original Art",
"Slider"
] | [
"VRML",
"Web3D",
"WebGL"
] | You don’t have to be a
Snow Crash
or
Tron
fan to be familiar with the 3D craze that characterized the rise of the Internet and the World Wide Web in particular. From phrases like ‘surfing the information highway’ to sectioning websites as if to represent 3D real-life equivalents or sorting them by virtual streets like ... | 17 | 14 | [
{
"comment_id": "8158650",
"author": "rclark",
"timestamp": "2025-08-07T14:14:03",
"content": "I explored VRML at work/home back when. Still have a ‘Teach Yourself VRML 2’ book in my library. Seemed promising for mapping our SCADA system entities into a 3D environment. Ie. View a substation/power... | 1,760,371,461.416456 | ||
https://hackaday.com/2025/08/07/a-pc-that-uses-hot-coffee-as-coolant/ | A PC That Uses Hot Coffee As Coolant | Lewin Day | [
"computer hacks"
] | [
"coffee",
"coffee maker",
"computer",
"general electric",
"pc",
"water cooling"
] | Modern computers generate a great deal of heat when under load, thus we cool them with fans and sometimes even water cooling systems. [Doug MacDowell] figured that water was alright,
but why not use coffee instead?
Someone tell us how [Doug] made this graph look like it’s right out of a 1970s college textbook.
The conc... | 38 | 15 | [
{
"comment_id": "8158617",
"author": "Joshua",
"timestamp": "2025-08-07T11:04:43",
"content": "Awesome! Can’t wait for the Halloween build! 😃",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8158618",
"author": "Antron Argaiv",
"timestamp": "2025-08-07T... | 1,760,371,461.497814 | ||
https://hackaday.com/2025/08/07/sparks-fly-building-a-330-kv-supply-from-a-pc-psu/ | Sparks Fly: Building A 330 KV Supply From A PC PSU | Matt Varian | [
"High Voltage"
] | [
"atx psu",
"Cockcroft-Walton",
"high voltage"
] | If you’re hunting for a bench power supply, you’ll quickly notice options dry up above 48 V or so, and you definitely won’t find a 330 kV supply on the shelf at your local electronics shop. But with just a few parts, [Mircemk] has crafted a
high-voltage source
from a modified PC power supply that delivers electrifying ... | 30 | 3 | [
{
"comment_id": "8158593",
"author": "Jan",
"timestamp": "2025-08-07T09:01:06",
"content": "okay, impressive sparks, what could possibly go wrong here…Why are there so many people putting videos online with “this video is sponsored by…”. Why are they selling their soul for a free PCB. In this case i... | 1,760,371,462.100852 | ||
https://hackaday.com/2025/08/06/automated-rubbish-removal-system/ | Automated Rubbish Removal System | John Elliot V | [
"Robots Hacks"
] | [
"automatic bin",
"automatic trash can",
"rubbish removal"
] | The hackers over at [HTX Studio] built a set of twenty
trash cans which can automatically catch and remove rubbish
.
In order to catch trash a bin needs to do two things: detect where trash will land; and then get there, fast. The second part is easy: three big motors with wheels under the bin. But how does a bin know ... | 15 | 13 | [
{
"comment_id": "8158567",
"author": "shinsukke",
"timestamp": "2025-08-07T06:26:31",
"content": "There is some serious engineering work hiding behind the slick editing and nice visuals. A welcome change from the editing heavy videos with a simple 3D printed enclosure",
"parent_id": null,
"d... | 1,760,371,461.947571 | ||
https://hackaday.com/2025/08/06/openai-releases-gpt-oss-ai-model-offers-bounty-for-vulnerabilities/ | OpenAI Releases Gpt-oss AI Model, Offers Bounty For Vulnerabilities | Donald Papp | [
"Artificial Intelligence"
] | [
"bug bounty",
"LLM",
"openai"
] | OpenAI have just released
gpt-oss
, an AI large language model (LLM) available for local download and offline use licensed under Apache 2.0, and optimized for efficiency on a variety of platforms without compromising performance. This is their first such “open” release, and it’s with a model whose features and capabili... | 11 | 5 | [
{
"comment_id": "8158559",
"author": "Very Obvious",
"timestamp": "2025-08-07T05:31:52",
"content": "lmao. “Open”AI continuing the misleading name trend.This is not Open Source Software. This is an open weights model. Huge difference. You have no idea what’s in that blob.Why is nobody calling this s... | 1,760,371,461.725055 | ||
https://hackaday.com/2025/08/06/2025-one-hertz-challenge-an-animated-ferrofluid-display/ | 2025 One Hertz Challenge: An Animated Ferrofluid Display | Lewin Day | [
"clock hacks"
] | [
"2025 Hackaday One Hertz Challenge"
] | Ferrofluid is fun. You’ve probably seen all kinds of demos with it bouncing around in response to magnetic fields, or dancing near a speaker.
[beastie417] decided to turn the entertaining fluid into a display.
The basic concept of the ferrofluid display. Note the header image of this article shows the electromagnet arr... | 12 | 5 | [
{
"comment_id": "8158499",
"author": "beastie417",
"timestamp": "2025-08-06T23:53:54",
"content": "In addition to the hackaday.io link, you can see more pictures of the project here:https://www.instructables.com/Animated-Flat-Panel-Ferrofluid-Display-Using-Elect/",
"parent_id": null,
"depth"... | 1,760,371,461.877318 | ||
https://hackaday.com/2025/08/06/a-robot-controller-with-the-compute-module-5/ | A Robot Controller With The Compute Module 5 | Lewin Day | [
"Raspberry Pi"
] | [
"compute module",
"compute module 5",
"raspberry pi"
] | The regular Raspberry Pi line is a flexible single-board computer, but sometimes you might find yourself wishing for a form factor that was better designed for installation into a greater whole. This is why the Compute Module variants exist. Indeed, leveraging that intention, [Hans Jørgen Grimstad] has used the powerfu... | 16 | 5 | [
{
"comment_id": "8158472",
"author": "Ken C",
"timestamp": "2025-08-06T21:43:11",
"content": "LOLWUT? 64-bit ARM CPU running at multiple GHz just to control a bunch of H-bridges?!?! This is so wasteful it makes my head roll in sadness.During my time at the university we used cheap $5 Adafruit H-brid... | 1,760,371,461.77621 | ||
https://hackaday.com/2025/08/06/2025-one-hertz-challenge-square-waves-the-way-you-want-em/ | 2025 One Hertz Challenge: Square Waves The Way You Want ‘Em | Jenny List | [
"contests"
] | [
"2025 One Hertz Contest",
"32.768 kHz",
"cmos",
"divider"
] | On an old fashioned bench a signal generator was once an indispensable instrument, but has now largely been supplanted by the more versatile function generator. Sometimes there’s a less demanding need for a clock signal though, and one way that might be served comes from [Rupin Chheda]’s
square wave generator
. It’s a ... | 8 | 5 | [
{
"comment_id": "8158446",
"author": "cgifool",
"timestamp": "2025-08-06T19:50:48",
"content": "Where all the 555s at?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8158471",
"author": "SETH",
"timestamp": "2025-08-06T21:38:26",
"content": "The gr... | 1,760,371,461.821889 | ||
https://hackaday.com/2025/08/06/jennys-daily-drivers-freedos-1-4/ | Jenny’s Daily Drivers: FreeDOS 1.4 | Jenny List | [
"computer hacks",
"Hackaday Columns",
"Slider",
"Software Hacks"
] | [
"16bit",
"dos",
"freedos"
] | When I was a student, I was a diehard Commodore Amiga user, having upgraded to an A500+ from my Sinclair Spectrum. The Amiga could do it all, it became my programming environment for electronic engineering course work, my audio workstation for student radio, my gaming hub, and much more.
One thing that was part of my c... | 66 | 16 | [
{
"comment_id": "8158416",
"author": "Rick",
"timestamp": "2025-08-06T17:55:23",
"content": "So it’s a clone of MS-DOS but not quite, and it doesn’t run most software written for MS-DOS? About as useful as a toilet seat in a turkish restroom.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,462.269335 | ||
https://hackaday.com/2025/08/06/a-portable-12-vdc-water-chiller-for-the-chemistry-lab/ | A Portable 12 VDC Water Chiller For The Chemistry Lab | Maya Posch | [
"Tool Hacks"
] | [
"chiller",
"laboratory equipment"
] | Having a chiller is often essential for the chemistry laboratory, but what if you’re somewhere without easy access to water, nevermind a mains outlet to plug your usual chiller into? In that case you can build a portable one that will happily run off the 12 VDC provided by a mobile source like the accessory outlet in a... | 20 | 6 | [
{
"comment_id": "8158385",
"author": "Rock Erickson",
"timestamp": "2025-08-06T15:56:53",
"content": "tl;dw what’s the power, in Watts?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8158390",
"author": "Markus Bindhammer",
"timestamp": "2025... | 1,760,371,462.155706 | ||
https://hackaday.com/2025/08/06/australias-space-program-finally-gets-off-the-pad-but-only-barely/ | Australia’s Space Program Finally Gets Off The Pad, But Only Barely | Lewin Day | [
"Engineering",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"austraila",
"gilmour space",
"rocket",
"space",
"space program"
] | Australia is known for great beaches, top-tier coffee, and a laidback approach to life that really doesn’t square with all the rules and regulations that exist Down Under. What it
isn’t
known for is being a spacefaring nation.
As it stands, a startup called Gilmour Space has been making great efforts to give Australia ... | 42 | 15 | [
{
"comment_id": "8158362",
"author": "Piotrsko",
"timestamp": "2025-08-06T14:41:39",
"content": "Yup, it IS rocket science. It ain’t easy either, or even Musk could build boosters.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8158375",
"author": "... | 1,760,371,462.351563 | ||
https://hackaday.com/2025/08/06/can-a-thermal-printer-cure-adhd/ | Can A Thermal Printer Cure ADHD? | Tyler August | [
"Lifehacks"
] | [
"gamification",
"productivity",
"thermal printer"
] | No, of course not. Per Betteridge’s law, that’s the answer to any headline with a question mark. On the other hand, while a thermal printer might not cure ADHD, it can help treat it — according to [Laurie Hérault],
to the point of curing his procrastination habit.
Even if you don’t have ADHD, you probably do procrastin... | 34 | 9 | [
{
"comment_id": "8158296",
"author": "HappyBundom",
"timestamp": "2025-08-06T11:16:04",
"content": "I was going to leave an insightful comment but I got distracted :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8158659",
"author": "Danny Zeda",
... | 1,760,371,462.424672 | ||
https://hackaday.com/2025/08/06/a-speed-loader-for-your-3d-printer-filament/ | A Speed Loader For Your 3D Printer Filament | Lewin Day | [
"Tool Hacks"
] | [
"3d printing",
"bowden",
"speed loader"
] | Reloading filament on a 3D printer is hardly anyone’s favorite task, but it’s even worse when you’re trying to shove stiff filament down a long and winding Bowden tube.
Enter the speed loader from [Mr Flippant],
which aims to take the pain out of this mechanically-frustrating chore.
The design is simple enough. It’s a ... | 23 | 7 | [
{
"comment_id": "8158253",
"author": "ono",
"timestamp": "2025-08-06T08:34:25",
"content": "IF your Bowden tube is THAT long that you feel you need this gadget, then it´s just TOO long.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8158396",
"author... | 1,760,371,462.484529 | ||
https://hackaday.com/2025/08/05/lorasense-pi-hat-aims-to-kick-start-iot-projects/ | LoRaSense Pi Hat Aims To Kick Start IoT Projects | John Elliot V | [
"Raspberry Pi"
] | [
"hat",
"humidity",
"LoRa",
"raspberry pi",
"RGB LED",
"temperature"
] | [Avi Gupta] recently sent in their
LoRaSense RGB Pi HAT
project. This “HAT” (Hardware Attached to Top) is for any Raspberry Pi with 40-pin header. The core of the build is the custom printed circuit board which houses the components and interconnects. The components include an SHT31 temperature and humidity sensor, an ... | 8 | 4 | [
{
"comment_id": "8158186",
"author": "Ewald",
"timestamp": "2025-08-06T05:13:53",
"content": "And 1 Hz because….?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8158204",
"author": "Szaja",
"timestamp": "2025-08-06T06:01:27",
"content... | 1,760,371,462.528559 | ||
https://hackaday.com/2025/08/05/why-names-break-systems/ | Why Names Break Systems | Ian Bos | [
"Security Hacks"
] | [
"apostrophe",
"ASCII",
"code injection",
"sql injection",
"unicode",
"web design"
] | Web systems are designed to be simple and reliable. Designing for the everyday person is the goal, but if you don’t consider the odd man out, they may encounter some problems. This is the everyday life for some people with names that often have unconsidered features, such as apostrophes or spaces. This is the life of [... | 74 | 31 | [
{
"comment_id": "8158127",
"author": "Rocky",
"timestamp": "2025-08-06T02:16:30",
"content": "If you reject names because you are afraid of injection prompts your software sucks because you are concatenating strings to form SQL-statements that are later parsed. And if you are forced to do it that wa... | 1,760,371,462.73721 | ||
https://hackaday.com/2025/08/05/2025-one-hertz-challenge-shoulda-put-a-ring-oscillator-on-it/ | 2025 One Hertz Challenge: Shoulda Put A Ring Oscillator On It | Tyler August | [
"classic hacks",
"contests"
] | [
"Circuit Sculpture",
"free form circuit",
"led blinker",
"ring oscillator"
] | Entries keep ticking in for the One Hertz Challenge, some more practical than others. [Pierre-Loup M.]’s
One Hertz Sculpture
has no pretensions of being anything but pretty, but we can absolutely respect the artistic impulse behind it.
The sculpture is a free-form circuit inside of a picture frame. There are 9 LEDs in ... | 12 | 7 | [
{
"comment_id": "8158118",
"author": "guido",
"timestamp": "2025-08-06T01:58:10",
"content": "LEDs are also light sensitive.Now I got curious: can we make a ring oscillator circuit where each neighbour LEDs passes the tick to next just with a flash of light?",
"parent_id": null,
"depth": 1,
... | 1,760,371,462.627178 | ||
https://hackaday.com/2025/08/05/flex-pcb-underlies-the-watch-of-the-future/ | Flex PCB Underlies The Watch Of The Future | Tyler August | [
"clock hacks"
] | [
"digital wristwatch",
"led matrix",
"LED watch",
"stm32",
"watch"
] | If you were at OpenSauce, you may have seen new Youtuber [Sahko] waltzing about with a retrofuturistic peice of jewelery that revealed itself as a very cool watch. If you weren’t, he’s his very first video on
YouTube detailing the design and construction of this piece.
We’ve embedded it below, and it’s worth a watch. (... | 8 | 5 | [
{
"comment_id": "8158066",
"author": "Mark Topham",
"timestamp": "2025-08-05T21:44:15",
"content": "Minimum quantities from major suppliers: 160, at $24/each.Damn. Guess I’ll stick with my Apple Watch for now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "815... | 1,760,371,462.57503 | ||
https://hackaday.com/2025/08/05/2025-one-hertz-challenge-blinking-an-led-the-very-old-fashioned-way/ | 2025 One Hertz Challenge: Blinking An LED TheVeryOld Fashioned Way | Jenny List | [
"contests",
"LED Hacks"
] | [
"2025 One Hertz Contest",
"flasher",
"gears"
] | Making an LED blink is usually achieved by interrupting its power supply, This can be achieved through any number of oscillator circuits, or even by means of a mechanical system and a switch. For the 2025 One Hertz Challenge though, [jeremy.geppert] has eschewed such means. Instead his LED is always on, and
is made to ... | 10 | 5 | [
{
"comment_id": "8158048",
"author": "D",
"timestamp": "2025-08-05T19:54:12",
"content": "And the obvious next step is to provide additional gears in the correct ratios to blink once per minute, hour, day, and year.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,462.783565 | ||
https://hackaday.com/2025/08/05/get-your-tickets-for-supercon-2025-now/ | Get Your Tickets For Supercon 2025 Now! | Tom Nardi | [
"cons",
"Hackaday Columns",
"News",
"Slider"
] | [
"2025 Hackaday Superconference",
"halloween",
"retro",
"tickets"
] | The wait is over — once this post hits the front page,
ticket sales for the 2025 Hackaday Supercon will officially be live
!
As is tradition, we’ve reserved 100 tickets priced at $148 (plus fees) for what we like to call the True-Believers. Those are the folks that are willing to sign up even without knowing who will b... | 3 | 2 | [
{
"comment_id": "8158389",
"author": "Michael M",
"timestamp": "2025-08-06T16:27:08",
"content": "Is there a place to sign up as a volunteer?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8158690",
"author": "Elliot Williams",
"timestamp": "... | 1,760,371,462.822968 | ||
https://hackaday.com/2025/08/05/student-drone-flies-submerges/ | Student Drone Flies, Submerges | Al Williams | [
"drone hacks"
] | [
"drone",
"underwater"
] | Admit it. You’d get through boring classes in school by daydreaming of cool things you’d like to build. If you were like us, some of them were practical, but some of them were flights of fancy. Did you ever think of an airplane that could dive under the water? We did. So did some students at Aalborg University. The dif... | 17 | 9 | [
{
"comment_id": "8158006",
"author": "dudefromthenorth",
"timestamp": "2025-08-05T17:25:26",
"content": "Kind of cool, but unlike a diving seabird, which can adapt it’s means of propulsion more drastically, this is a quadcopter drone that’s neither optimized for air or water. Cool vario-pitch thoug... | 1,760,371,462.984068 | ||
https://hackaday.com/2025/08/05/what-happens-when-lightning-strikes-a-plane/ | What Happens When Lightning Strikes A Plane? | Lewin Day | [
"Featured",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"aircraft",
"airliner",
"lightning",
"lightning strike"
] | Lightning is a powerful force, one seemingly capable of great destruction in the right circumstances. It announces itself with a searing flash, followed by a deep rumble heard for miles around.
Intuitively, it might seem like a lightning strike would be disastrous for something like a plane flying at altitude. And yet,... | 24 | 14 | [
{
"comment_id": "8157964",
"author": "Ostracus",
"timestamp": "2025-08-05T14:10:45",
"content": "Change from “snakes on a plane” to “ball lightening on a plane”. Much more colorful, and less fearful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8157975",
... | 1,760,371,463.400263 | ||
https://hackaday.com/2025/08/05/real-time-beamforming-with-software-defined-radio/ | Real-Time Beamforming With Software-Defined Radio | Bryan Cockfield | [
"Radio Hacks"
] | [
"ADALM-PLUTO",
"angle of arrival",
"beamforming",
"phased array",
"radio",
"sdr",
"software-defined radio"
] | It is perhaps humanity’s most defining trait that we are always striving to build things better, stronger, faster, or bigger than that which came before. Taller skyscrapers, longer bridges, and computers with more processors, all advance thanks to this relentless persistence.
In the world of radio, we might assume that... | 13 | 8 | [
{
"comment_id": "8157949",
"author": "Gösta",
"timestamp": "2025-08-05T12:32:28",
"content": "I never thought beamforming would be hackable on this level, nice article :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8157956",
"author": "Krzysztof",
... | 1,760,371,463.037111 | ||
https://hackaday.com/2025/08/04/open-source-5-axis-printer-has-its-own-slicer/ | Open Source 5-Axis Printer Has Its Own Slicer | Tyler August | [
"3d Printer hacks"
] | [
"3d printer",
"5-Axis",
"5-axis slicer",
"klipper",
"slicer"
] | Three-axis 3D printing has been with us long enough that everybody knows the limitations, but so far, adding extra axes has been very much a niche endeavor. [Daniel] at Fractal Robotics wants to change that, with the
Fractal 5 Pro 5-axis printer
, and its corresponding
Fractal Cortex slicer
.
The printer looks like an ... | 22 | 8 | [
{
"comment_id": "8157626",
"author": "lespaul1963",
"timestamp": "2025-08-04T17:24:29",
"content": "Projects like this should be banned because they only make entering 3D printing scene for newcomers much less affordable (not only in terms of money but also complex math involved…)",
"parent_id":... | 1,760,371,463.207792 | ||
https://hackaday.com/2025/08/04/happy-birthday-6502/ | Happy Birthday 6502 | Jenny List | [
"Featured",
"History",
"Original Art",
"Retrocomputing",
"Slider"
] | [
"6502",
"MOS Technology",
"MOS Technology 6502"
] | The MOS Technology 6502 is a microprocessor which casts a long shadow over the world of computing. Many of you will know it as the beating heart of so many famous 8-bit machines from the likes of Commodore, Apple, Acorn, and more, and it has retained enough success for a version to remain in production today. It’s stil... | 121 | 37 | [
{
"comment_id": "8157568",
"author": "Tim McNerney",
"timestamp": "2025-08-04T14:32:41",
"content": "I’ve never understood why the 6502 so “went viral” with home computer manufacturers and game console makers. (AI claims the reasons were “cheaper,” “easier to integrate,” and “ease of programming.” ... | 1,760,371,463.612513 | ||
https://hackaday.com/2025/08/04/fire-alarm-disco-party/ | Fire Alarm Disco Party | Ian Bos | [
"LED Hacks",
"Musical Hacks"
] | [
"disco ball",
"fire alarm"
] | What should your first instinct be when the room catches on fire? Maybe get out of the room, pull an alarm, and have a disco party? Not your first instinct? Well, this seemed pretty obvious to [Flying-Toast], who retrofitted an
old fire alarm to activate a personal disco party
.
After finding a fire alarm being sold on... | 34 | 10 | [
{
"comment_id": "8157506",
"author": "WTF Detector",
"timestamp": "2025-08-04T11:08:40",
"content": "What song does the disco party pull up?Burning Down The House? :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8157533",
"author": "ziggurat29",
... | 1,760,371,463.334479 | ||
https://hackaday.com/2025/08/04/the-scourge-of-fake-retro-components-like-unijunction-transistors/ | The Scourge Of Fake Retro Unijunction Transistors | Maya Posch | [
"Reverse Engineering"
] | [
"fake parts",
"transistor",
"unijunction transistor"
] | We all know that it’s easy to get caught out by fake electronic components these days, with everything from microcontrollers to specialized ASICs being fair game. More recently, retro components that were considered obsolete decades ago are now becoming increasingly popular, with the unijunction transistor (UJT) a surp... | 18 | 5 | [
{
"comment_id": "8157460",
"author": "IanS",
"timestamp": "2025-08-04T08:32:09",
"content": "In my first real job after leaving Uni an engineer told me that there was no real reason to specify a UJT when a combination of a PNP and an NPN transistor could do the same job, and be more repeatable. I h... | 1,760,371,463.263706 | ||
https://hackaday.com/2025/08/03/reverse-engineering-the-tda7000-fm-radio-receiver-ic/ | Reverse-Engineering The TDA7000 FM Radio Receiver IC | Maya Posch | [
"Reverse Engineering"
] | [
"fm radio",
"tda7000"
] | A wristwatch featuring the TDA7000 FM radio receiver IC. (Credit:
Philips Technical Review
)
During the 1980s a lot of consumer devices suddenly got a lot smaller as large-scale integration using semiconductor technology took off. This included radios, with Philips’ TDA7000 FM radio receiver IC being the first to cram ... | 5 | 2 | [
{
"comment_id": "8157419",
"author": "Joshua",
"timestamp": "2025-08-04T06:21:57",
"content": "This is (was) all overkill really, if we consider that FM signals can be demodulated by an AM receiver.All it needed was to go a bit besides center frequency and let slope detection (edge demodulation) do ... | 1,760,371,463.446604 | ||
https://hackaday.com/2025/08/03/open-source-flexible-e-reader/ | Open-Source, Flexible E-Reader | Bryan Cockfield | [
"Microcontrollers"
] | [
"e-book",
"e-paper",
"e-reader",
"microcontroller",
"open source",
"pcb",
"real time operating system",
"RTOS",
"zephyr"
] | Although the most popular e-reader by far is the Kindle, some argue that its primary use isn’t even as an e-reader at all but rather as a storefront for one of the world’s richest companies. For those who want user-focused consumer electronics instead, we’ll often reach for something more untethered, like an off-brand ... | 30 | 6 | [
{
"comment_id": "8157410",
"author": "Oliver",
"timestamp": "2025-08-04T05:16:40",
"content": "Just because you can, doesn’t mean you should.For a static screen hanging on the wall, I get it. But for a consumer device like this, why? Cost optimalization? The software development effort will be huge.... | 1,760,371,463.677642 | ||
https://hackaday.com/2025/08/03/hackaday-links-august-3-2025/ | Hackaday Links: August 3, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"Agent",
"bot",
"captcha",
"don't panic",
"earthquake",
"hackaday links",
"ham radio",
"human",
"invasive species",
"Myanmar",
"Open AI",
"pythons",
"rabbit",
"robobunny",
"Search and Rescue"
] | When all else fails, there’s amateur radio — and handwritten notes. Both ham radio and clear thinking helped
rescue a mother and her son from a recent California camping trip gone wrong
. While driving to the campsite in the Stanislaus National forest, the 49-year-old mother had the not-uncommon experience of GPS leadi... | 17 | 7 | [
{
"comment_id": "8157361",
"author": "Eric R Mockler",
"timestamp": "2025-08-03T23:57:54",
"content": "Even Florida Man is losing his job to a robot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8157362",
"author": "Hussien",
"timestamp": "2025-08-03... | 1,760,371,465.227386 | ||
https://hackaday.com/2025/08/05/spatial-audio-in-a-hat/ | Spatial Audio In A Hat | Lewin Day | [
"digital audio hacks",
"Wearable Hacks"
] | [
"audio",
"ece4760",
"lidar"
] | Students from the ECE4760 program at Cornell have been working on a spatial audio system built into a hat. The project from [Anishka Raina], [Arnav Shah], and [Yoon Kang], enables the wearer to get a sense of the direction and proximity of objects in the immediate vicinity
with the aid of audio feedback.
The heart of t... | 5 | 2 | [
{
"comment_id": "8157912",
"author": "Harvie.CZ",
"timestamp": "2025-08-05T09:11:23",
"content": "I tried to do something similar, but i had issues with distinguishing between sounds coming from front and back.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,465.40675 | ||
https://hackaday.com/2025/08/04/2025-one-hertz-challenge-analog-clock-for-microsoft-windows/ | 2025 One Hertz Challenge: Analog Clock For Microsoft Windows | John Elliot V | [
"clock hacks",
"Software Hacks"
] | [
"analog clock",
"Microsoft Windows"
] | Our hacker [glgorman] sent in their submission for the One Hertz Challenge:
an analog software clock for Microsoft Windows
.
I guess we’d have to say that this particular project is a work-in-progress. There is no final clock, yet. But a number of yak’s have been shaved. For instance, we have code for computing geometr... | 0 | 0 | [] | 1,760,371,465.631861 | ||
https://hackaday.com/2025/08/04/brilliant-labs-has-new-smart-glasses-with-a-new-display/ | Brilliant Labs Has New Smart Glasses, With A New Display | Donald Papp | [
"Wearable Hacks"
] | [
"AI glasses",
"augmented reality",
"hmd",
"smart glasses"
] | Brilliant Labs have been making near-eye display platforms for some time now, and they are one of the few manufacturers making a point of focusing on an open and hacker-friendly approach to their devices.
Halo
is their newest smart glasses platform
, currently in pre-order (299 USD) and boasting some nifty features, in... | 16 | 9 | [
{
"comment_id": "8157817",
"author": "Miles",
"timestamp": "2025-08-05T03:03:56",
"content": "Just want heads up display, no AI garbage and subscription and connected please. Even a clock and a ticker tape of my messages (actually hands free) would be amazing. ‘Smart’ watches also dumb, haven’t wo... | 1,760,371,465.507875 | ||
https://hackaday.com/2025/08/04/how-to-design-3d-printed-parts-with-tolerance-in-mind/ | How To Design 3D-Printed Parts With Tolerance In Mind | Maya Posch | [
"3d Printer hacks"
] | [
"3d printing",
"FDM"
] | One of the continuing struggles with FDM printing is making sure that parts that should fit together actually do. While adding significant tolerance between parts is an option, often you want to have a friction fit or at least a gap that you cannot drive a truck through. In a video by [Slant 3D]
a number of tips and tr... | 12 | 4 | [
{
"comment_id": "8157822",
"author": "rupinchheda",
"timestamp": "2025-08-05T03:37:04",
"content": "I think this should be a feature of the slicer and 3d Printer combination that determines the tolerences. People should design for actual dimensions, plus have metadata embedded inside the model, whic... | 1,760,371,465.321842 | ||
https://hackaday.com/2025/08/04/the-tape-speed-keyboard/ | The Tape Speed Keyboard | Bryan Cockfield | [
"Musical Hacks"
] | [
"analog",
"cassette",
"keyboard",
"musical instrument",
"potentiometer",
"tape deck",
"tape speed",
"tape speed keyboard"
] | For those who experienced any part of the 1960s, even if it’s just experiencing the music from that era here in the future, the sound of the Mellotron is immediately recognizable. The Moody Blues were famous for using the tape-based instrument, and the Beatles and David Bowie produced hits with it as well. It’s hauntin... | 10 | 4 | [
{
"comment_id": "8157708",
"author": "IIVQ",
"timestamp": "2025-08-04T20:24:48",
"content": "I had to check if this was not the guy that devised The Scrubboard, but no, that was Jeremy Bell, seehttps://youtu.be/L6SMyND8hso?si=JzcmLp3JHR2lVfglfor a demo. They should get together and form a tape – I m... | 1,760,371,465.367628 | ||
https://hackaday.com/2025/08/04/a-simple-simulator-for-model-rocket-performance/ | A Simple Simulator For Model Rocket Performance | Lewin Day | [
"Misc Hacks"
] | [
"model rocket",
"model rocketry",
"model rockets"
] | When building a model rocket, it can be fun to get into the maths of it all—calculating the expected performance of your build, and then seeing how it measures up in the real world. To aid in that task, [Rotislav Persion] has created
a simple web-based simulator for charting the potential performance of your own rocket... | 7 | 5 | [
{
"comment_id": "8157753",
"author": "Ray",
"timestamp": "2025-08-04T22:51:49",
"content": "“the standard rocket engine you’re using”Grew up in the 1950-1969 era … We made our own engines.Of course, not every formulation and design produced the desired burn rate…",
"parent_id": null,
"depth"... | 1,760,371,465.269766 | ||
https://hackaday.com/2025/08/04/a-gentle-introduction-to-fortran/ | A Gentle Introduction To Fortran | Maya Posch | [
"Hackaday Columns",
"Slider",
"Software Development"
] | [
"FORTRAN",
"high performance computing"
] | Originally known as FORTRAN, but written in lower case since the 1990s with Fortran 90, this language was developed initially by John Backus as a way to make writing programs for the IBM 704 mainframe easier. The 704 was a 1954 mainframe with the honor of being the first mass-produced computer that supported hardware-b... | 75 | 28 | [
{
"comment_id": "8157629",
"author": "HaHa",
"timestamp": "2025-08-04T17:32:07",
"content": "Fortran has a unique language feature.The calculated GOTO.As in GOTO intvarWhere intvar contains alinenumber.For some reason, nobody takes my requests to add a calculated COMEFROM to the language seriously.T... | 1,760,371,465.757083 | ||
https://hackaday.com/2025/08/03/repairing-an-obscure-apple-ii-clone/ | Repairing An Obscure Apple II Clone | Lewin Day | [
"Retrocomputing"
] | [
"apple II",
"c64",
"commodore 64"
] | The Apple II was made in great numbers, as was the Commodore 64. But the Mimic Spartan? It was a weird Apple II clone that you needed a Commodore 64 to use. [ARC Javmaster] has found one of these obscure machines
and has set about bringing it back to life.
Check out the video below.
The story of the machine has been to... | 8 | 2 | [
{
"comment_id": "8157375",
"author": "Miles",
"timestamp": "2025-08-04T01:04:01",
"content": "It’s amazing what not having keyboards available for the equivalent of $1 US ( in 1977 dollars) did to the market. Have to use a whole system as a keyboard! Truly a hack!I’ll look into it and see what oth... | 1,760,371,465.45207 | ||
https://hackaday.com/2025/08/03/why-cheap-digital-microscopes-are-pretty-terrible/ | Why Cheap Digital Microscopes Are Pretty Terrible | Maya Posch | [
"digital cameras hacks",
"Reviews"
] | [
"digital microscope"
] | The depth of field you get with a cheap Tomlov DM9 digital microscope. Pictured is the tip of a ballpoint. (Credit: Outdoors55, YouTube)
We have all seen those cheap digital microscopes, whether in USB format or with its own screen, all of them promising super-clear images of everything from butterfly wings to electron... | 41 | 17 | [
{
"comment_id": "8157289",
"author": "HaHa",
"timestamp": "2025-08-03T17:56:47",
"content": "Mine sits in the soldering tools box.Comparing this kind of ‘microscope’ to a real camera is missing the point.I suppose could mount the micro 4:3 w macro lens on a tripod, set the whole thing sideways, conn... | 1,760,371,465.842514 | ||
https://hackaday.com/2025/08/03/keyboard-hero-a-barebones-alternative-to-the-guitar-version/ | Keyboard Hero: A Barebones Alternative To The Guitar Version | Lewin Day | [
"Games",
"Musical Hacks"
] | [
"guitar hero",
"pi pico"
] | Guitar Hero was all the rage for a few years, before the entire world apparently got sick of it overnight. Some diehards still remember the charms of rhythm games, though. Among them you might count [Joseph Valenti] and [Daniel Rodriguez],
who built a Keyboard Hero game for their ECE 4760 class at Cornell.
Keyboard Her... | 9 | 6 | [
{
"comment_id": "8157262",
"author": "Greg A",
"timestamp": "2025-08-03T14:17:40",
"content": "that’s just lap guitar hero",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8157277",
"author": "Steve",
"timestamp": "2025-08-03T16:58:25",
"content": "F... | 1,760,371,465.897601 | ||
https://hackaday.com/2025/08/03/rebuilt-batteries-for-the-cutest-clamshell-at-the-cafe/ | Rebuilt Batteries For The Cutest Clamshell At The Cafe | Tyler August | [
"Mac Hacks",
"Retrocomputing"
] | [
"clamshell",
"ibook",
"laptop battery fix"
] | Keeping retrocomputers going can be tricky enough, but when you’re talking retro laptops, the battery packs add an extra challenge. While one could simply live without the battery, that’s not going to give you the full retro experience. Replacement batteries are long out of stock, so what can one do? Well, one can chec... | 21 | 11 | [
{
"comment_id": "8157251",
"author": "Miles",
"timestamp": "2025-08-03T13:02:27",
"content": "Probably wise to hack a balance connection into the battery, even in the form of probe holes in the shell.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8157744",
... | 1,760,371,465.969451 | ||
https://hackaday.com/2025/08/03/a-diy-fermenter-for-flavorful-brews/ | A DIY Fermenter For Flavorful Brews | Matt Varian | [
"hardware"
] | [
"beer",
"beer brewing",
"brewing",
"fermentation",
"home-assistant"
] | Fermentation is a culinary art where tiny organisms transform simple ingredients into complex flavors — but they’re finicky about temperature. To keep his brewing setup at the perfect conditions, [Ken] engineered the
Fermenter
, a DIY insulated chamber controlled by Home Assistant for precision and remote monitoring.
T... | 15 | 3 | [
{
"comment_id": "8157216",
"author": "Andrew",
"timestamp": "2025-08-03T09:25:58",
"content": "Ah, the old “Son of Fermentation Chamber” rides again. I built one ages ago and ran it with BrewPi. It’s a great design.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,466.303569 | ||
https://hackaday.com/2025/08/02/squishy-beyblades-made-with-3d-printer-fail-to-compete-in-the-arena/ | Squishy Beyblades Made With 3D Printer Fail To Compete In The Arena | Lewin Day | [
"3d Printer hacks",
"Games",
"Toy Hacks"
] | [
"beyblade",
"spinning tops"
] | When Beyblades first came out a couple of decades ago, they quickly became a fad across Japan and several Western countries. There was a whole ecosystem of parts that you could buy and use to build competitive fighting spinning tops. These days, though — 3D printers are ubiquitous. There’s very little stopping you from... | 7 | 4 | [
{
"comment_id": "8157184",
"author": "macsimki",
"timestamp": "2025-08-03T07:05:10",
"content": "this post needs a lot of duckduckgoing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8157299",
"author": "CMH62",
"timestamp": "2025-08-03T18:42:11",
... | 1,760,371,466.248593 | ||
https://hackaday.com/2025/08/02/an-ode-to-the-aesthetic-of-light-in-1024-pixels/ | An Ode To The Aesthetic Of Light In 1024 Pixels | Heidi Ulrich | [
"Art",
"LED Hacks",
"News"
] | [
"led",
"led matrix",
"matrix",
"monochrome",
"pico",
"raspberry pi",
"ws2812"
] | Sometimes, brilliant perspectives need a bit of an introduction first, and this is clearly one.
This video essay by [Cleggy]
delivers what it promises: an ode to the aesthetic of light. But he goes further, materializing his way of viewing things into a beautiful physical build — and the full explanation of how to do i... | 3 | 3 | [
{
"comment_id": "8157219",
"author": "alialiali",
"timestamp": "2025-08-03T09:33:31",
"content": "Kudos what a lovely final product.Ive always wanted something nice like this to showcase random game of life runs.But the software even on a 328 for decent FPS at 1024×1024 was easy and 10 years later I... | 1,760,371,466.341618 | ||
https://hackaday.com/2025/08/02/exploring-versalogic-pre-lsi-logic-cards-with-the-data-620/ | Exploring VersaLOGIC Pre-LSI Logic Cards With The Data/620 | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"Bendix G15",
"diode-transistor logic",
"discrete logic"
] | Before the era of large-scale integration (LSI) semiconductor circuits, discrete logic circuits using the common diode-transistor logic (DTL) were still necessary and available in a format that was modular and reusable. [David Lovett] over at the
Usagi Electric
farm
has two great examples
that date back to the 1950s an... | 3 | 3 | [
{
"comment_id": "8157202",
"author": "Chros",
"timestamp": "2025-08-03T08:42:09",
"content": "It’s a bit scary looking at all those familiar components",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8157271",
"author": "Peter",
"timestamp": "2025-08-03... | 1,760,371,466.159045 | ||
https://hackaday.com/2025/08/02/2025-one-hertz-challenge-learn-morse-code-one-second-at-a-time/ | 2025 One Hertz Challenge: Learn Morse Code One Second At A Time | Tyler August | [
"contests",
"Microcontrollers"
] | [
"arudino nano",
"morse trainer",
"PS/2"
] | Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but it’s still a nice skill to have. [I_void(warranties)] wanted to learn, but couldn’t find a trainer that fit his style. What to do but build it yourself? Since we’re in the midst of a challenge, he took up the gauntlet and turned his need... | 3 | 2 | [
{
"comment_id": "8157128",
"author": "Observer",
"timestamp": "2025-08-02T21:21:09",
"content": "When I say the name of this character (W) you do NOT think…”well, there are three syllables, ‘duh,’ ‘bell,’ and ‘you,’ the third longer than the first two, and therefore that translates to (W).” No. To ... | 1,760,371,466.205594 | ||
https://hackaday.com/2025/08/02/this-plane-flies-slow-because-its-wings-really-blow/ | This Plane Flies Slow Because Its Wings Really Blow | Tyler August | [
"drone hacks"
] | [
"ardupilot",
"blown wing",
"R/C aircraft",
"STOL"
] | The key to Short Takeoff and Landing (STOL) operations is the ability to fly slow– really slow. That’s how you get up fast without a long takeoff roll to build up speed. Usually, this involves layers of large flaps and/or leading edge slats, but [rctestflight] on YouTube decided he wanted to take
a more active approach... | 21 | 10 | [
{
"comment_id": "8157082",
"author": "Jan",
"timestamp": "2025-08-02T17:25:27",
"content": "33min video for this?You watch 20sec at the beginning and then fast forward until you see it working.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8157509",
... | 1,760,371,466.403321 | ||
https://hackaday.com/2025/08/02/thanks-tamiya-san/ | Thanks, Tamiya-san | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"history",
"models",
"newsletter"
] | We’re saddened to
report the passing of Shunsaku Tamiya
, the man behind the Tamiya line of models. What was surprising about this, though, is how many of our readers and writers alike felt touched by the Tamiya model company. I mean, they made great models, and they’re definitely a quality outfit, but the outpouring o... | 18 | 15 | [
{
"comment_id": "8157023",
"author": "make piece not war",
"timestamp": "2025-08-02T14:27:53",
"content": "While I was at the age of building plastic models, western products (including Tamiya) were not available where I was living. Yet when I see the remenants of my work on top of the furniture in ... | 1,760,371,466.466332 | ||
https://hackaday.com/2025/08/02/an-attiny-gpu-fan-controller-that-sticks/ | An ATTiny GPU Fan Controller That Sticks | Heidi Ulrich | [
"ATtiny Hacks",
"computer hacks",
"Misc Hacks",
"News",
"Repair Hacks"
] | [
"12v",
"attiny",
"attiny85",
"DS18B20",
"fan",
"gpu",
"graphics card",
"radeon"
] | When your GPU fan goes rogue with an unholy screech, you either shell out for a new one or you go full hacker mode. Well,
[ashafq] did the latter
. The result is a delightfully nerdy fan controller powered by an ATTiny85 and governed by a DS18B20 temperature sensor. We all know a silent workstation is golden, and there... | 14 | 5 | [
{
"comment_id": "8156974",
"author": "ALX_skater",
"timestamp": "2025-08-02T11:13:51",
"content": "When external temp. probe indicates 60°C, silicon is probably already running at about 90°C, greatly accelerating damage due to electromigration. I run my PC fans at 100% all the time because it’s chea... | 1,760,371,466.518557 | ||
https://hackaday.com/2025/08/02/custom-bedroom-lighting-controlled-by-alexa/ | Custom Bedroom Lighting Controlled By Alexa | Lewin Day | [
"LED Hacks"
] | [
"ESP32",
"led"
] | [Arkandas] had a problem. They liked reading in bed, but their bedroom lamps weren’t cutting it—either too bright and direct, or too dim and diffuse. The solution was custom lighting,
and a new project began
.
The concept was simple—build a custom controller for a set of addressable LED lighting strips that would be in... | 3 | 3 | [
{
"comment_id": "8156972",
"author": "volt-k",
"timestamp": "2025-08-02T11:07:24",
"content": "Nice! Although I would probably just use the WLED project for the firmware part instead of developing a custom one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "81... | 1,760,371,466.555768 | ||
https://hackaday.com/2025/08/01/universal-control-for-the-last-mac-youd-ever-expect/ | Universal Control For The Last Mac You’d Ever Expect | Tyler August | [
"Mac Hacks",
"Retrocomputing"
] | [
"Apple Desktop Bus",
"arduino nano",
"universal control"
] | Universal control is a neat feature on Macintosh computers, allowing you to slide your mouse seamlessly from device to device. Of course you need a relatively recent version of MacOS to make it work, right? Not necessarily– thanks to [Bart Jackobs]
MacFriends, universal control has come to the Macintosh Classic
.
The A... | 8 | 1 | [
{
"comment_id": "8156941",
"author": "emma.makes",
"timestamp": "2025-08-02T06:05:29",
"content": "Cool project, but I don’t understand what pun you’re referring to.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8157038",
"author": "M",
"tim... | 1,760,371,466.607639 | ||
https://hackaday.com/2025/08/01/this-week-in-security-spilling-tea-rooting-ais-and-accusing-of-backdoors/ | This Week In Security: Spilling Tea, Rooting AIs, And Accusing Of Backdoors | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"ai",
"linux",
"NVIDIA",
"tea",
"This Week in Security"
] | The Tea app has had a rough week. It’s not an unfamiliar story:
Unsecured Firebase databases were left exposed to the Internet without any authentication
. What makes this story particularly troubling is the nature of the app, and the resulting data that was spilled.
Tea is a “dating safety” application strictly for wo... | 4 | 4 | [
{
"comment_id": "8156746",
"author": "Foldi-One",
"timestamp": "2025-08-01T14:55:19",
"content": "it’s not very likely that Nvidia actually put backdoors in their hardware, regardless of the intended market.That in today’s world feels almost almost naive, given how abusive big tech companies so ofte... | 1,760,371,467.534316 | ||
https://hackaday.com/2025/08/01/turning-waste-plastic-into-spools-of-filament/ | Turning Waste Plastic Into Spools Of Filament | Aaron Beckendorf | [
"3d Printer hacks",
"green hacks"
] | [
"3d printer filament",
"filament extruder",
"filament joiner",
"PET plastic",
"recycling"
] | Despite being a readily-available source of useful plastic, massive numbers of disposable bottles go to waste every day. To remedy this problem (or take advantage of this situation, depending on your perspective)
[Igor Tylman] created the PETmachine
, an extruder to make 3D printer filament from PET plastic bottles.
Th... | 28 | 11 | [
{
"comment_id": "8156720",
"author": "alnwlsn",
"timestamp": "2025-08-01T12:50:01",
"content": "I’ve lost count on how many times I’ve seen one of these bottle filament thingies, but one thing that I’ve always wondered was where people were getting such smooth bottles without any ridges from.One I s... | 1,760,371,466.869924 | ||
https://hackaday.com/2025/08/01/diy-mp3-player-inspired-by-the-ipod/ | DIY MP3 Player Inspired By The IPod | Lewin Day | [
"digital audio hacks"
] | [
"ESP32",
"ipod",
"mp3 player"
] | These days, the personal MP3 player has been largely replaced by the the smartphone. However, [Justinas Petkauskas] still appreciates the iPod for its tactility and portability, and wanted to bring that vibe back.
Enter JPL.mp3
The build is based around the ESP32-S3 microcontroller. It’s hooked up with a PCM5102 DAC ho... | 6 | 6 | [
{
"comment_id": "8156679",
"author": "Lightislight",
"timestamp": "2025-08-01T09:52:23",
"content": "Looks like a great project. I miss the iPod sometimes. Phone interfaces can be a chore for playing music. I’m sure many younger people think that’s ridiculous, maybe some people my age too.I didn’t r... | 1,760,371,466.986517 | ||
https://hackaday.com/2025/07/31/raspberry-pi-rp2350-a4-stepping-addresses-e9-current-leakage-bug/ | Raspberry Pi RP2350 A4 Stepping Addresses E9 Current Leakage Bug | Maya Posch | [
"Microcontrollers",
"News"
] | [
"raspberry pi",
"rp2350"
] | The RP2350 MCU in A4 stepping.
When Raspberry Pi’s new RP2350 MCU was released in 2024, it had a slight issue in that its GPIO pins would leak a significant amount of current when a pin is configured as input with the input buffer enabled. Known as erratum 9 (E9), it has
now been addressed
per the
July 29 Product Chang... | 31 | 6 | [
{
"comment_id": "8156652",
"author": "pelrun",
"timestamp": "2025-08-01T07:40:40",
"content": "It tells us that A3 was an internal development stepping, ergo we should only be seeing the A4 stepping in the wild alongside the original defective A2 stepping.They’re using the remaining A3 chips on Pico... | 1,760,371,467.308576 | ||
https://hackaday.com/2025/07/31/railway-time-why-frances-railways-ran-five-minutes-behind/ | Railway Time: Why France’s Railways Ran Five Minutes Behind | Maya Posch | [
"History"
] | [
"railways",
"time zones"
] | With us chafing at time zones and daylight saving time (DST) these days, it can be easy to forget how much more confusing things were in the late 19th century. Back then few areas had synchronized their clocks to something like Greenwich Mean Time (GMT) or other standards like London time or Paris time, with everyone i... | 10 | 3 | [
{
"comment_id": "8156622",
"author": "san",
"timestamp": "2025-08-01T04:43:58",
"content": "“… Deutsche Bahn, who add a random delay to each actual arrival and departure time so that time becomes very relative indeed.”… wait, what? Never heard or experienced this.Is this just connecting trains waiti... | 1,760,371,467.070874 | ||
https://hackaday.com/2025/07/31/2025-one-hertz-challenge-4-function-frequency-counter/ | 2025 One Hertz Challenge: 4-Function Frequency Counter | Lewin Day | [
"Tool Hacks"
] | [
"2025 Hackaday One Hertz Challenge",
"frequency",
"frequency counter"
] | Frequency! It’s an important thing to measure, which is why [Jacques Pelletier] built a frequency counter some time ago.
The four-function unit is humble
, capable, and also an entry into our 2025 One Hertz Challenge!
The build began “a long while ago when electronic parts were still available in local stores,” notes J... | 1 | 1 | [
{
"comment_id": "8156763",
"author": "Zoot",
"timestamp": "2025-08-01T16:31:19",
"content": "Hats off to Jacques for this. This is the kind of stuff I read Hackaday for. Yeah, he could have used a microcontroller or something, but he went old school on us and created something pretty cool from str... | 1,760,371,467.023374 | ||
https://hackaday.com/2025/07/31/double-the-sensors-double-the-fun-with-2-in-1-panoramic-camera/ | Double The Sensors, Double The Fun, With 2-in-1 Panoramic Camera | Tyler August | [
"digital cameras hacks"
] | [
"digital camera hack",
"large format photography",
"panoramic camera"
] | When film all came in rolls, it was fairly easy to play with the frame of the image. Companies like Hasselblad (and many others) made camera backs that would expose longer strips of 35 mm film to create stunning panoramic images in one single shot. [snappiness] wanted to bring that style of camera into the digital age,... | 20 | 6 | [
{
"comment_id": "8156526",
"author": "macsimki",
"timestamp": "2025-07-31T20:20:11",
"content": "jep. back focus is a bitch and a difference of 0.01 mm is significant. in my time as cameraman, setting the back focus of a zoom lens was quite a undertaking.",
"parent_id": null,
"depth": 1,
... | 1,760,371,467.151089 | ||
https://hackaday.com/2025/08/01/ai-code-review-the-right-way/ | AI Code Review The Right Way | Al Williams | [
"Artificial Intelligence",
"Software Development"
] | [
"code review",
"LLM"
] | Do you use a spell checker? We’ll guess you do. Would you use a button that just said “correct all spelling errors in document?” Hopefully not. Your word processor probably doesn’t even offer that as an option. Why? Because a spellchecker will reject things not in its dictionary (like Hackaday, maybe). It may guess the... | 29 | 8 | [
{
"comment_id": "8156933",
"author": "jpa",
"timestamp": "2025-08-02T05:18:18",
"content": "Regarding local models, does someone have any recent experiences whether the models are actually usable for tasks like code review now? I tried some llama variant a year ago, and the quality was useless and w... | 1,760,371,467.374142 | ||
https://hackaday.com/2025/08/01/you-can-make-your-own-floppy-drive-cleaning-disks/ | You Can Make Your Own Floppy Drive Cleaning Disks | Lewin Day | [
"Retrocomputing"
] | [
"floppy disk",
"head cleaner"
] | Once upon a time, you could buy floppy drive cleaning disks at just about any stationary or computer store. These days, they’re harder to find. If you want to build one yourself, though,
you might do well to follow [Gammitin]’s fine example.
[Gammitin] has been down this road before, having built head cleaning disks be... | 11 | 4 | [
{
"comment_id": "8156874",
"author": "Paul",
"timestamp": "2025-08-01T23:08:05",
"content": "Most stores are stationary. But stationery stores are the ones that sell stationery.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8156879",
"author": "Mil... | 1,760,371,467.935722 | ||
https://hackaday.com/2025/08/01/digital-guitar-of-the-future-has-no-strings/ | Digital Guitar Of The Future Has No Strings | Tyler August | [
"Musical Hacks"
] | [
"capacitive touch",
"electric guitar",
"midi"
] | Electric guitars are great, but they’re just
so
20th century. You’d think decades of musicians riffing on the instrument would mean there are no hacks left in the humble axe. You’d think so, but you’d be wrong. [Michael], for one, has taken it upon himself to
reinvent the electric guitar for the digital era.
Gone are t... | 39 | 24 | [
{
"comment_id": "8156840",
"author": "Reg",
"timestamp": "2025-08-01T21:14:20",
"content": "What this article is missing is a guitarist.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8157165",
"author": "Greg A",
"timestamp": "2025-08-03T02:... | 1,760,371,467.232642 | ||
https://hackaday.com/2025/08/01/2025-one-hertz-challenge-the-flip-disc-clock/ | 2025 One-Hertz Challenge: The Flip Disc Clock | Lewin Day | [
"clock hacks"
] | [
"clock",
"flip dot display",
"kitchen storage tub"
] | Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love
the flip-disc clock created by [David Plass].
The build is based around four seven-segment flip disc displays. The modules in question are from
Flipo.io.
They use a hefty 0.5 amp pulse ... | 1 | 1 | [
{
"comment_id": "8156949",
"author": "rnjacobs",
"timestamp": "2025-08-02T08:00:16",
"content": "Before I watched the video, I assumed it would take a full 60 seconds to update the discs in the clock, flipping one per second.Then I calculated that there are 92 discs so it might not be able to keep u... | 1,760,371,467.450482 | ||
https://hackaday.com/2025/08/01/two-for-the-price-of-one-bornhack-2024-and-2025-badges/ | Two For The Price Of One: BornHack 2024 And 2025 Badges | Jenny List | [
"cons",
"Featured",
"Radio Hacks",
"Slider"
] | [
"badgelife",
"BornHack",
"LoRa",
"Meshtastic"
] | BornHack
is a week-long summer hacker camp in a forest on the Danish island of Fyn, that consistently delivers a very pleasant experience for those prepared to make the journey. This year’s version was the tenth iteration of the camp and it finished a week ago, and having returned exhausted and dried my camping gear af... | 0 | 0 | [] | 1,760,371,467.5863 | ||
https://hackaday.com/2025/08/01/hackaday-podcast-ep-331-clever-machine-tools-storing-data-in-birds-and-the-ultimate-cyberdeck/ | Hackaday Podcast Ep 331: Clever Machine Tools, Storing Data In Birds, And The Ultimate Cyberdeck | Jenny List | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Another week, another Hackaday podcast, and for this one Elliot is joined by Jenny List, fresh from the BornHack hacker camp in Denmark.
There’s a definite metal working flavour to this week’s picks, with new and exciting CNC techniques and a selective electroplater that can transfer bitmaps to metal. But worry not, th... | 5 | 1 | [
{
"comment_id": "8156762",
"author": "Dude",
"timestamp": "2025-08-01T16:30:59",
"content": "Is it broken or is my browser just not showing the player?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8156764",
"author": "Dude",
"timestamp": "2... | 1,760,371,467.653463 | ||
https://hackaday.com/2025/08/01/a-proper-computer-for-a-dollar/ | A Proper Computer For A Dollar? | Jenny List | [
"computer hacks",
"Retrocomputing"
] | [
"basic",
"CH32",
"TinyBASIC"
] | When a tipster came to us with the line “One dollar BASIC computer”, it intrigued us enough to have a good look at
[Stan6314]’s TinyBasRV computer
. It’s a small PCB that forms a computer running BASIC. Not simply a microcontroller with a serial header, this machine is a fully functioning BASIC desktop computer that ta... | 49 | 22 | [
{
"comment_id": "8156775",
"author": "fiddlingjunky",
"timestamp": "2025-08-01T17:27:09",
"content": "A dollar seems doable for qty10k. Probably more like $50-$70 for the hobbyist board house MoQs and low-qty component orders. Been a couple of years since I’ve done a PCB like this but that’s always ... | 1,760,371,467.748124 | ||
https://hackaday.com/2025/07/31/2025-one-hertz-challenge-op-amp-madness/ | 2025 One Hertz Challenge: Op-Amp Madness | Adam Zeloof | [
"clock hacks",
"hardware"
] | [
"2025 Hackaday One Hertz Challenge",
"analog",
"op-amp",
"oscillator",
"sine wave"
] | Sometimes, there are too many choices in this world. My benchtop function generator can output a sine, square, or saw wave anywhere from 0.01 Hz up to 60 MHz? Way too many choices. At least, that’s what we suspect [Phil Weasel] was thinking when he built this
Analog 1 Hz Sinewave Generator
.
A KiCad rendering of [Phil]... | 7 | 7 | [
{
"comment_id": "8156576",
"author": "wf",
"timestamp": "2025-07-31T23:05:07",
"content": "I really would like to see a spectrum of the simulation and real sine wave.Filters at those frequencies are a real challenge, so I totally appreciate this approach.",
"parent_id": null,
"depth": 1,
... | 1,760,371,467.843203 | ||
https://hackaday.com/2025/07/31/when-online-safety-means-surrendering-your-id-what-can-you-do/ | When Online Safety Means Surrendering Your ID, What Can You Do? | Jenny List | [
"Current Events",
"Hackaday Columns",
"Rants",
"Security Hacks",
"Slider"
] | [
"age verification",
"online safety act",
"uk"
] | A universal feature of traveling Europe as a Hackaday scribe is that when you sit in a hackerspace in another country and proclaim how nice a place it all is, the denizens will respond pessimistically with how dreadful their country really is. My stock response is to say “Hold my beer” and recount the antics of British... | 108 | 23 | [
{
"comment_id": "8156464",
"author": "TG",
"timestamp": "2025-07-31T17:19:47",
"content": "Fake ID business is going to be very profitable for a certain period of time before they patch that. AI is a fun workaround, I guess you no longer go down around an alleyway and meet somebody who has a photo b... | 1,760,371,468.252885 | ||
https://hackaday.com/2025/07/31/hexagonal-lighting-brings-a-touch-of-elegance-to-the-workshop/ | Hexagonal Lighting Brings A Touch Of Elegance To The Workshop | Adam Zeloof | [
"home hacks",
"LED Hacks"
] | [
"hexagon",
"homeassistant",
"led",
"lighting"
] | Sometimes, we’re faced with what should be simple household tasks that we choose to make more difficult. Sure, you could buy a clock, hang it on your wall, and move on with your day, or could spend a week or two building the perfect one. [Nejc Koncan] was in one such situation recently when he needed some new overhead ... | 5 | 4 | [
{
"comment_id": "8156432",
"author": "list",
"timestamp": "2025-07-31T15:45:49",
"content": "now you too can look like a twitch streamer/youtuber from 2020.but honestly this looks very clean and neat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8156465",
... | 1,760,371,467.889767 | ||
https://hackaday.com/2025/07/31/hands-on-the-hacker-pager/ | Hands On: The Hacker Pager | Tom Nardi | [
"Featured",
"handhelds hacks",
"Reviews",
"Slider",
"Wireless Hacks"
] | [
"LoRa",
"Meshtastic",
"pager"
] | It should come as no surprise that the hacker community has embraced the Meshtastic project. It’s got a little bit of everything we hold dear: high quality open source software, fantastic documentation, a roll-your-own hardware ethos, and just a dash of counterculture. An off-grid communications network cobbled togethe... | 27 | 21 | [
{
"comment_id": "8156417",
"author": "Ken C",
"timestamp": "2025-07-31T14:26:15",
"content": "I hope the battery was not made in Israel.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8156421",
"author": "threeve",
"timestamp": "2025-07-31T14:42:08",
... | 1,760,371,468.033736 | ||
https://hackaday.com/2025/07/31/farewell-shunsaku-tamiya-the-man-who-gave-us-the-best-things-to-build/ | Farewell Shunsaku Tamiya: The Man Who Gave Us The Best Things To Build | Jenny List | [
"Hackaday Columns",
"News",
"Original Art",
"Slider",
"Toy Hacks"
] | [
"modelling",
"plastic model",
"Shunsaku Tamiya",
"tamiya"
] | In the formative experiences of most Hackaday readers there will almost certainly be a number of common threads, for example the ownership of a particular game console, or being inspired into engineering curiosity by the same TV shows. A home computer of a TV show may mark you as coming from a particular generation, bu... | 36 | 28 | [
{
"comment_id": "8156384",
"author": "Antron Argaiv",
"timestamp": "2025-07-31T11:09:23",
"content": "I never built the models but recognise the Tamiya brand as one that has been around since I was a kid. RIP, Tamiya-san, and thanks for all the fun.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,468.334731 | ||
https://hackaday.com/2025/07/31/robots-are-coming-for-your-berry-good-job/ | Robots Are Coming For Your Berry Good Job | Al Williams | [
"Robots Hacks"
] | [
"agricultural robot",
"blackberries"
] | We don’t know if picking blackberries at scale is something people enjoy doing. But if you do, we have
bad news
. The University of Arkansas wants to put you out of a job in favor of your new robot overlord. It turns out that blackberries in Arkansas alone are a $24 million business. The delicate berries are typically ... | 29 | 7 | [
{
"comment_id": "8156355",
"author": "shinsukke",
"timestamp": "2025-07-31T08:19:09",
"content": "The basal human urge to automate away the basics of survival – food, clothing and housing so that humans can be free and pursue better (or worse) things",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,468.403813 | ||
https://hackaday.com/2025/07/30/rebooting-wargames-wopr-with-a-pi-and-gemini/ | RebootingWarGames‘ WOPR With A Pi And Gemini | Heidi Ulrich | [
"computer hacks",
"Raspberry Pi"
] | [
"gemini",
"War Games",
"wargames",
"WOPR"
] | WarGames
fans, rejoice: [Nick Bild] has rebooted WOPR for real. In his latest hack, the Falcon,
he recreates the iconic AI from the 1983 film
using a Raspberry Pi 400, a vintage SP0256-AL2 speech chip from General Instrument, and Google’s Gemini LLM. A build to bring us back to the Reagan-era.
Where most stop at visual... | 4 | 3 | [
{
"comment_id": "8156487",
"author": "Joshua",
"timestamp": "2025-07-31T18:07:50",
"content": "Would you like to play a game?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8156562",
"author": "Foobar Wombat",
"timestamp": "2025-07-31T21:54:28",
"c... | 1,760,371,468.44522 | ||
https://hackaday.com/2025/07/30/legally-distinct-space-invaders-display-wifi-info/ | Legally DistinctSpace InvadersDisplay WiFi Info | Bryan Cockfield | [
"Wireless Hacks"
] | [
"galaga",
"meter",
"signal strength",
"space invaders",
"wi-fi",
"wifi",
"wireless"
] | In the early 00s there was a tiny moment before the widespread adoption of mobile broadband, after the adoption of home WiFi, and yet before the widespread use of encryption. For this brief time a unique practice arose called wardriving — where people would drive around, document, and use these open wireless networks.
... | 23 | 3 | [
{
"comment_id": "8156324",
"author": "Joshua",
"timestamp": "2025-07-31T04:56:06",
"content": "Really cool! I like the animation!But I don’t get the open WiFi thing. What does that mean? Using unprotected WiFis of strangers?If so, who in his/her right mind would ever use another person’s WiFi withou... | 1,760,371,468.50958 | ||
https://hackaday.com/2025/07/30/the-lumenpnp-pasting-utility-never-buy-solder-stencils-again/ | The LumenPnP Pasting Utility: Never Buy Solder Stencils Again? | John Elliot V | [
"3d Printer hacks",
"cnc hacks",
"hardware",
"PCB Hacks",
"Software Hacks",
"Tool Hacks",
"Video Hacks"
] | [
"fiducial calibration",
"LumenPnP",
"pick and place",
"solder paste extruder",
"solder stencils"
] | Over on his YouTube channel the vivacious [Stephen Hawes] tells us that
we never need to buy solder stencils again
!
A big claim! And he is quick to admit that his printed solder paste isn’t presently quite as precise as solder stencils, but he is reporting good success with his technique so far.
[Stephen] found that h... | 11 | 5 | [
{
"comment_id": "8156295",
"author": "Ccecil",
"timestamp": "2025-07-30T23:27:18",
"content": "Great work….although.I have a paste dispenser on my Manncorp 384v2…the Martin dispenser. Apparently, it was a $15k option when the machine was new. It seems to work well but it is very slow.Depending on ... | 1,760,371,468.560679 | ||
https://hackaday.com/2025/07/30/soldered-ram-upgrades-finally-available-for-mac-ppc/ | Soldered RAM Upgrades Finally Available For Mac-PPC | Tyler August | [
"Mac Hacks",
"Retrocomputing"
] | [
"hand soldering",
"PowerMac",
"powerpc",
"ram upgrade",
"retrocomputing"
] | In the retrocomputing world, [DosDude1] is a name spoken with more than a little respect. He’s back again with a long-awaited hack for
PowerPC Macintosh: soldered RAM upgrades
!
[DosDude1] is no stranger to soldering his way to more storage–
upgrading the SSD on an M4 Mac Mini,
or doubling
the VRAM on an old GPU
. For ... | 8 | 3 | [
{
"comment_id": "8156277",
"author": "TomD",
"timestamp": "2025-07-30T20:36:09",
"content": "I’ve done this to a 2001 Haar CNC machine to add a whopping 15mb of RAM. Makes a massive difference in being able to use modern CAM paths without having to drip feed the system. Thankfully it was immediate... | 1,760,371,468.614463 | ||
https://hackaday.com/2025/07/30/2025-one-hertz-challenge-a-software-only-am-radio-transmitter/ | 2025 One-Hertz Challenge: A Software-Only AM Radio Transmitter | Lewin Day | [
"Radio Hacks"
] | [
"2025 Hackaday One Hertz Challenge",
"am",
"am radio",
"amplitude modulation",
"twilight zone"
] | We’ve been loving the variety of entries to the 2025 One-Hertz Challenge. Many a clock has been entered, to be sure, but also some projects that step well outside simple timekeeping. Case in point,
this AM transmitter from [oldradiofixer.]
The software-only transmitter uses an ATTiny85 processor to output an AM radio s... | 10 | 5 | [
{
"comment_id": "8156268",
"author": "TG",
"timestamp": "2025-07-30T19:16:21",
"content": "Angry HAMs screeching about polluting spectrum in 3, 2, 1…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8156278",
"author": "DainBramage",
"timestamp... | 1,760,371,468.698533 | ||
https://hackaday.com/2025/07/30/one-mans-trash-bicycle-edition/ | One Man’s Trash… Bicycle Edition | Al Williams | [
"gps hacks",
"Transportation Hacks"
] | [
"GPS Navigation",
"Windows CE"
] | [Remy van Elst] found an obsolete bike navigation system, the Navman Bike 1000, in a thrift store for €10. The device was a rebadged Mio Cyclo 200 from 2015.
Can a decade-old GPS be useful
? Well, the answer depends on a little reverse engineering.
There were some newer maps available, but they wouldn’t download using ... | 2 | 2 | [
{
"comment_id": "8156312",
"author": "CMH62",
"timestamp": "2025-07-31T02:52:51",
"content": "Absolutely loved all the rabbit holes you sent me down via the article’s embedded links. Thx!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8168021",
"author":... | 1,760,371,468.651002 | ||
https://hackaday.com/2025/07/30/linux-fu-the-cheap-macropad-conundrum/ | Linux Fu: The Cheap Macropad Conundrum | Al Williams | [
"Hackaday Columns",
"Linux Hacks"
] | [
"keypad",
"linux",
"macropad"
] | You can get cheap no-brand macropads for almost nothing now. Some of them have just a couple of keys. Others have lots of keys, knobs, and LEDs. You can spring for a name brand, and it’ll be a good bet that it runs QMK. But the cheap ones? Get ready to download Windows-only software from suspicious Google Drive account... | 9 | 4 | [
{
"comment_id": "8156161",
"author": "pelrun",
"timestamp": "2025-07-30T14:45:52",
"content": "Udev rules arealwaysthe better choice. Giving an executable (which could have anything in it) full access to your system just so that it can modify a single device is a very bad habit to get into.",
"p... | 1,760,371,468.754168 | ||
https://hackaday.com/2025/07/30/everyones-invited-to-the-copyparty/ | Everyone’s Invited To The Copyparty | Tyler August | [
"Network Hacks",
"Software Hacks"
] | [
"file server",
"nas"
] | Setting up a file server can be intimidating to the uninitiated. There are many servers to choose from, and then you need to decide how to install it — Docker? Kubernates? Well, what’s all that then? [9001] has come to the rescue with
Copyparty, a full-featured file server in a single Python script.
It’s light enough t... | 47 | 10 | [
{
"comment_id": "8156105",
"author": "DeadlyFoez",
"timestamp": "2025-07-30T11:36:54",
"content": "This software will be exploited quickly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8156112",
"author": "Ewald",
"timestamp": "2025-07-30T1... | 1,760,371,468.998136 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.