url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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https://hackaday.com/2024/12/15/wago-terminals-make-this-ham-radio-dipole-light-and-packable/ | Wago Terminals Make This Ham Radio Dipole Light And Packable | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"balun",
"dipole",
"ham",
"pota",
"QRP",
"SOTA",
"WAGO"
] | For the amateur radio operator with that on-the-go lifestyle, nothing is more important than having your gear as light and packable as possible. If you’re lugging even a modest setup out into the woods, every ounce counts, which is why we love projects like
this packable dipole antenna feedpoint
.
At its simplest, a di... | 13 | 9 | [
{
"comment_id": "8073128",
"author": "Adam Melancon",
"timestamp": "2024-12-15T19:17:44",
"content": "I love prototyping with Wago! I’ve used them for several ham radio projects.https://www.instagram.com/p/COEpFbajD9z/?img_index=1https://www.instagram.com/p/CaLjtParjDr/?img_index=1https://www.insta... | 1,760,371,700.167071 | ||
https://hackaday.com/2024/12/15/an-iphone-case-study/ | An IPhone Case Study | Bryan Cockfield | [
"Phone Hacks"
] | [
"aluminum",
"cad",
"case",
"cnc",
"iphone",
"metal",
"mill",
"phone"
] | Way back in 2008, Apple unveiled the first unibody Macbook with a chassis milled out of a single block of aluminum. Before that, essentially all laptops, including those from Apple, were flimsy plastic screwed together haphazardly on various frames. The unibody construction, on the other hand, finally showed that it wa... | 14 | 6 | [
{
"comment_id": "8073045",
"author": "SPACEstate1",
"timestamp": "2024-12-15T15:04:52",
"content": "So much custom work holding.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8073075",
"author": "Paul",
"timestamp": "2024-12-15T16:26:37",
"content... | 1,760,371,700.541989 | ||
https://hackaday.com/2024/12/15/esp8266-keeps-tabs-on-wood-stove-temperature/ | ESP8266 Keeps Tabs On Wood Stove Temperature | Tom Nardi | [
"home hacks",
"Microcontrollers"
] | [
"chimney",
"esphome",
"heating",
"home-assistant",
"max6675",
"wood stove"
] | Wood heat offers unique advantages compared to more modern heating systems, especially in remote areas. But it also comes with its own challenges, namely, keeping the fire going at the optimum temperature. If it’s too cold you risk buildup in the chimney, but if you’ve got it stoked up more than necessary, you’ll end u... | 37 | 9 | [
{
"comment_id": "8073000",
"author": "ca_heckler",
"timestamp": "2024-12-15T12:27:38",
"content": "The next obvious step is to get an actuator to control the influx of, and implement a PID to deal with the natural delay in the system – although it gets tricky as the control function will probably ch... | 1,760,371,700.256005 | ||
https://hackaday.com/2024/12/15/running-fusion-360-on-linux-with-wine/ | Running Fusion 360 On Linux With Wine | Maya Posch | [
"Linux Hacks"
] | [
"Autodesk Fusion 360",
"linux desktop",
"wine"
] | One of the major reasons why using Linux on a desktop system is unsuitable for many is due to the lack of Linux support for many major applications, including Autodesk Fusion 360. Naturally, using Wine this should be easy in an ideal world, but realistically getting something like Fusion 360 set up and ready to log in ... | 55 | 20 | [
{
"comment_id": "8072959",
"author": "Andrew",
"timestamp": "2024-12-15T09:02:16",
"content": "Or you could just use FreeCAD.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072960",
"author": "WereCatf",
"timestamp": "2024-12-15T09:16:33",
... | 1,760,371,700.706275 | ||
https://hackaday.com/2024/12/14/a-portable-chainsaw-sawmill/ | A Portable Chainsaw Sawmill | Bryan Cockfield | [
"Tool Hacks"
] | [
"chainsaw",
"forest",
"hand cart",
"lumber",
"mill",
"portable",
"Sawmill",
"Timber"
] | Unless you’re running a commercial logging operation, with specialized saws, log grapples, mills, transportation for the timber, and the skilled workers needed to run everything, it’s generally easier to bring a sawmill to the wood instead of taking the wood to the sawmill. Especially for a single person, something lik... | 25 | 5 | [
{
"comment_id": "8072930",
"author": "shinsukke",
"timestamp": "2024-12-15T06:44:15",
"content": "Truly an invention to jump-start civilization in case of a semi collapse",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072956",
"author": "Tweepy",
... | 1,760,371,700.602543 | ||
https://hackaday.com/2024/12/14/might-morphin-antenna/ | Might Morphin’ Antenna | Al Williams | [
"Radio Hacks",
"Science"
] | [
"antenna",
"nitinol"
] | The shape of an antenna can make a big difference in its performance. Researchers at the Johns Hopkins Applied Physics Laboratory have used shape memory alloy to construct an antenna that changes shape depending on the signals it is receiving. Nitinol, a common shape memory alloy made from nickel and titanium, is an ob... | 9 | 3 | [
{
"comment_id": "8072921",
"author": "a_do_z",
"timestamp": "2024-12-15T05:03:53",
"content": "MightyMorphin’, maybe?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8073172",
"author": "Oscar Goldman",
"timestamp": "2024-12-15T22:12:52",
"content":... | 1,760,371,700.309717 | ||
https://hackaday.com/2024/12/14/how-the-lost-mystery-pigment-maya-blue-got-recreated/ | How The Lost Mystery Pigment ‘Maya Blue’ Got Recreated | Donald Papp | [
"Art",
"Science"
] | [
"art",
"blue",
"maya",
"paint",
"pigment"
] | A distinct blue pigment reminiscent of turquoise or a clear sky was used by the ancient Maya to paint pottery, sculptures, clothing, murals, jewelry, and even human sacrifices. What makes it so interesting is not only its rich palette — ranging from bright turquoise to a dark greenish blue — but also its remarkable dur... | 16 | 5 | [
{
"comment_id": "8072869",
"author": "𐂀 𐂅",
"timestamp": "2024-12-15T00:33:05",
"content": "“with traditional methods”, whereas making it using modern methods has been known about for a while (+ 20 years). I know this as I researched it as part of my STEM home education program for my kids, who ar... | 1,760,371,700.444722 | ||
https://hackaday.com/2024/12/13/chirality-could-kill-us-all-if-we-let-it/ | Chirality Could Kill Us All, If We Let It | Jenny List | [
"Science"
] | [
"chiraility",
"mirror life form",
"synthetic life form"
] | In our high school chemistry classes we all learn about chirality, the property of organic molecules in which two chemically identical molecules can have different structures that are mirror images of each other. This can lead to their exhibiting different properties, and one aspect of chirality is causing significant ... | 81 | 20 | [
{
"comment_id": "8072299",
"author": "Ostracus",
"timestamp": "2024-12-13T12:42:22",
"content": "Well, another thing could kill us…germ warfare, and yet here we are. Someone is eventually going to try. We just don’t take ‘no’ for answer to anything.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,700.825331 | ||
https://hackaday.com/2024/12/13/use-your-rtl-in-the-browser/ | Use Your RTL, In The Browser | Jenny List | [
"Radio Hacks"
] | [
"html5",
"RTL-SDR",
"software-defined radio"
] | The web browser started life as a relatively simple hypertext reading application, but over the 30+ years since the first one displayed a simple CERN web page it has been extended to become the universal platform. It’s now powerful enough to run demanding applications, for example a full software-defined radio. [Jtarri... | 14 | 7 | [
{
"comment_id": "8072270",
"author": "richard didd",
"timestamp": "2024-12-13T10:01:46",
"content": "This is really cool.bung this on a Raspberry Pi with apache and host it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8072360",
"author": "UnderSampled",
... | 1,760,371,700.379025 | ||
https://hackaday.com/2024/12/12/automated-rig-grows-big-beautiful-crystals-fast/ | Automated Rig Grows Big, Beautiful Crystals Fast | Dan Maloney | [
"Laser Hacks",
"Science"
] | [
"crystal",
"doubler",
"KDP",
"laser",
"potassium dihydrogen phosphate",
"saturated"
] | We haven’t seen [Les Wright] in a while, and with the release of his new video, we know why —
he’s been busy growing crystals
.
Now, that might seem confusing to anyone who has done the classic “Crystal Garden” trick with table salt and laundry bluing, or tried to get a bit of rock candy out of a supersaturated sugar s... | 8 | 4 | [
{
"comment_id": "8072253",
"author": "Chemical Alina",
"timestamp": "2024-12-13T06:48:02",
"content": "It’s not KDP, it is KH2PO4.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072257",
"author": "pelrun",
"timestamp": "2024-12-13T07:41:50"... | 1,760,371,700.488997 | ||
https://hackaday.com/2024/12/12/a-look-back-at-googles-2015-chromecast/ | A Look Back At Google’s 2015 Chromecast | Maya Posch | [
"google hacks",
"Teardown"
] | [
"chromecast",
"google",
"hdmi",
"streaming"
] | Google’s Chromecast was first released in 2013, with a more sophisticated follow-up in 2015, which saw itself joined by the Chromecast Audio dongle. The device went through an additional two hardware generations before the entire line of products was discontinued earlier this year in favor of Google TV.
Marvell’s Armad... | 15 | 7 | [
{
"comment_id": "8072261",
"author": "Noah",
"timestamp": "2024-12-13T08:38:25",
"content": "Still use mine to this day and still find it better than roku",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8072268",
"author": "David",
"timestamp": "2024-12... | 1,760,371,700.976815 | ||
https://hackaday.com/2024/12/12/british-spooks-issue-yearly-teaser/ | British Spooks Issue Yearly Teaser | Jenny List | [
"Holiday Hacks"
] | [
"christmas",
"GCHQ",
"puzzle"
] | As a British taxpayer it’s reassuring to know that over in Cheltenham there’s a big round building full of people dedicated to keeping us safe. GCHQ is the nation’s electronic spying centre, and just to show what a bunch of good eggs they are they release a puzzler every year to titillate the nation’s geeks.
2024’s edi... | 17 | 7 | [
{
"comment_id": "8072214",
"author": "Antron Argaiv",
"timestamp": "2024-12-13T03:10:21",
"content": "NOT simple…and I cheated a bit. Lots of fun though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8072215",
"author": "Ian",
"timestamp": "2024-12-13... | 1,760,371,701.09085 | ||
https://hackaday.com/2024/12/12/good-lighting-on-a-budget-with-cordless-tool-batteries/ | Good Lighting On A Budget With Cordless Tool Batteries | Dan Maloney | [
"Battery Hacks"
] | [
"battery",
"dewalt",
"lighting",
"photography",
"video",
"videography"
] | It’s perhaps not fair, but even if you have the best idea for a compelling video, few things will make people switch off than poor lighting. Good light and plenty of it is the order of the day when it comes to video production, and luckily there are many affordable options out there. Affordable, that is, right up to th... | 11 | 9 | [
{
"comment_id": "8072133",
"author": "ethyl",
"timestamp": "2024-12-12T21:35:46",
"content": "Awesome writeup!I really liked how simple the process is. I have one of these light fixtures and was thinking of something similar. Seems really simple and straightforward. Awesome work!",
"parent_id": ... | 1,760,371,701.030155 | ||
https://hackaday.com/2024/12/12/the-disappearing-capacitor/ | The Disappearing Capacitor | Al Williams | [
"Misc Hacks"
] | [
"bootstrapping",
"op amps",
"photodiode"
] | As part of a phosphorescence detector, [lcamtuf] has been working with photodiodes. The components, like all diodes, have some capacitance at the junction, and this can limit performance. That’s why [lcamtuf] turned to
bootstrapping
to make that parasitic capacitance almost disappear.
The technique appears in several A... | 25 | 7 | [
{
"comment_id": "8072117",
"author": "Dude",
"timestamp": "2024-12-12T20:10:40",
"content": "A similar issue applies to charge amplifiers used for measuring piezoelectric sensors. The piezo element generates a small charge, which leaks back through the device almost instantly. The other issue is the... | 1,760,371,701.549554 | ||
https://hackaday.com/2024/12/11/retrotechtacular-1980s-restoration-of-san-franciscos-cable-car-system/ | Retrotechtacular: 1980s Restoration Of San Francisco’s Cable Car System | Maya Posch | [
"History",
"Retrotechtacular",
"Transportation Hacks"
] | [
"cable car",
"cable tram"
] | The cable car system of San Francisco is the last manually operated cable car system in the world, with three of the original twenty-three lines still operating today. With these systems being installed between 1873 and 1890, they were due major maintenance and upgrades by the time the 1980s and with it their 100th yea... | 43 | 11 | [
{
"comment_id": "8071646",
"author": "Hirudinea",
"timestamp": "2024-12-11T21:23:38",
"content": "I guess if it’s old, repair it, but if it ain’t broke don’t fix it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071664",
"author": "TG",
"timestamp": ... | 1,760,371,701.313805 | ||
https://hackaday.com/2024/12/11/floss-weekly-episode-813-turn-off-the-internet/ | FLOSS Weekly Episode 813: Turn Off The Internet | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"Open Source AI",
"retro"
] | This week,
Jonathan Bennett
, Simon Phipps, and Aaron Newcomb chat about retrocomputing, Open Source AI, and … politics? How did that combination of topics come about? Watch to find out!
Did you know you can watch the live recording of the show Right on
our YouTube Channel
? Have someone you’d like us to interview? Let... | 0 | 0 | [] | 1,760,371,701.589085 | ||
https://hackaday.com/2024/12/11/its-remotely-ham-radio/ | It’s Remotely Ham Radio | Al Williams | [
"Hackaday Columns",
"Network Hacks",
"Radio Hacks"
] | [
"FT8",
"ham radio"
] | Have you ever considered running your ham radio remotely? It has been feasible for years but not always easy. Recently, I realized that most of the pieces you need to get on the air remotely are commonplace, so I decided to take the plunge. I won’t give step-by-step instructions because your radio, computer setup, and ... | 33 | 14 | [
{
"comment_id": "8071562",
"author": "Mark Topham",
"timestamp": "2024-12-11T18:05:02",
"content": "I wish.Canadian rules reserve remote operation to Advanced.(And life keeps interfering with my studying / writing the test)",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,371,701.39493 | ||
https://hackaday.com/2024/12/11/amateur-radio-operators-detect-signals-from-voyager-1/ | Amateur Radio Operators Detect Signals From Voyager 1 | Bryan Cockfield | [
"Radio Hacks"
] | [
"amateur radio",
"deep space",
"doppler shift",
"dwingeloo",
"ham radio",
"radio",
"Radio Telescope",
"telescope",
"Voyager 1"
] | At the time of its construction in the 1950s, the Dwingeloo Radio Observatory was the largest rotatable telescope in the world with a dish diameter of 25 meters. It was quickly overtaken in the rankings but was used by astronomers for decades until it slowly fell into disuse in the early 2000s. After a restoration proj... | 41 | 18 | [
{
"comment_id": "8071531",
"author": "sohere",
"timestamp": "2024-12-11T16:49:31",
"content": "I believe that Daniel Estevez has detected voyager 1 with only a 6 meter dish. See pages 53 and 54 of this document:https://www.pe0sat.vgnet.nl/download/DSN/David%20Prutchi%20-%20Receiving%20Microwave%20... | 1,760,371,701.483354 | ||
https://hackaday.com/2024/12/11/the-hovercraft-revolution-and-finding-the-right-niche-for-a-technology/ | The Hovercraft Revolution And Finding The Right Niche For A Technology | Maya Posch | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Transportation Hacks"
] | [
"hovercraft"
] | In the world of transportation, some technologies may seem to make everything else appear obsolete, whether it concerns airplanes, magnetic levitation or propelling vehicles and craft over a cushion of air. This too seemed to be the case with hovercraft when they exploded onto the scene in the 1950s and 1960s, seemingl... | 41 | 17 | [
{
"comment_id": "8071494",
"author": "Antron Argaiv",
"timestamp": "2024-12-11T15:21:51",
"content": "Mine is full of eels, as is traditional.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8071662",
"author": "HaHa",
"timestamp": "2024-12-11... | 1,760,371,701.684228 | ||
https://hackaday.com/2024/12/11/unexpectedly-interesting-payphone-gives-up-its-secrets/ | Unexpectedly Interesting Payphone Gives Up Its Secrets | Dan Maloney | [
"Reverse Engineering"
] | [
"assembly",
"CDP1802",
"firmware",
"payphone",
"phone",
"phreaking",
"reverse engineering"
] | Reverse engineering a payphone doesn’t sound like a very interesting project, at least in the United States, where payphones were little more than ruggedized versions of residential phones with a coin mechanism attached. Phones in other parts of the world were far more interesting, though, as
this look at the mysteries... | 7 | 2 | [
{
"comment_id": "8071464",
"author": "Nick",
"timestamp": "2024-12-11T13:09:10",
"content": "Idea: voip payphone with WiFi. A wireless pay phone.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8071467",
"author": "Paul",
"timestamp": "2024-12... | 1,760,371,701.733745 | ||
https://hackaday.com/2024/12/11/the-math-behind-the-music-of-the-80s/ | The Math Behind The Music Of The 80s | Bryan Cockfield | [
"Musical Hacks"
] | [
"1980's",
"dx-7",
"dx7",
"instrument",
"music",
"synth",
"synth pop",
"synthesizer",
"yamaha"
] | Although there might have been other music produced or recorded in the 1980s, we may never know of its existence due to the cacophony of all of the various keytars, drum machines, and other synthesized music playing nonstop throughout the decade. There was perhaps no more responsible synthesizer than the Yamaha DX7 eit... | 51 | 19 | [
{
"comment_id": "8071450",
"author": "Jouni",
"timestamp": "2024-12-11T11:13:09",
"content": "While FM synthesis is digital, my original DX7 sounds very analog synth. I don’t know why. It has some smoothness and suddle noise that probably makes that way.The sounds produced by Dexed sound different, ... | 1,760,371,701.921485 | ||
https://hackaday.com/2024/12/12/the-6ghz-band-opens-in-the-us/ | The 6GHz Band Opens In The US | Al Williams | [
"News",
"Wireless Hacks"
] | [
"6ghz",
"fcc",
"license free",
"radio"
] | On December 11th, the FCC announced that the
band around 6GHz would be open
to “very low-power devices.” The new allocation shares space with other devices already using these frequencies. The release mentions a few limitations over the 350 MHz band (broken into two segments). First, the devices must use a contention-b... | 27 | 6 | [
{
"comment_id": "8072023",
"author": "Joshua",
"timestamp": "2024-12-12T17:05:02",
"content": "The FCC quote about WiFi is such a nonsense in my opinion.Because, 6 GHz doesn’t make it very far because of increasing distance damping of higher frequencies.So 6 GHz barely works through walls compared t... | 1,760,371,701.818468 | ||
https://hackaday.com/2024/12/12/its-critical-dont-pile-up-your-fissionable-material/ | It’s Critical: Don’t Pile Up Your Fissionable Material | Lewin Day | [
"Featured",
"History",
"Slider"
] | [
"demon core",
"fission",
"nuclear safety"
] | Nuclear fission is a powerful phenomenon. When the conditions are right, atomic nuclei split, releasing neutrons that then split other nuclei in an ongoing chain reaction that releases enormous amounts of energy. This is how nuclear weapons work. In a more stable and controlled fashion, it’s how our nuclear reactors wo... | 52 | 23 | [
{
"comment_id": "8071978",
"author": "Sok Puppette",
"timestamp": "2024-12-12T15:22:04",
"content": "I guess I really should restack those boxes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071985",
"author": "craig",
"timestamp": "2024-12-12T15:30... | 1,760,371,702.026748 | ||
https://hackaday.com/2024/12/12/ore-to-iron-in-a-few-seconds-new-chinese-process-will-revolutionise-smelting/ | Ore To Iron In A Few Seconds: New Chinese Process Will Revolutionise Smelting | Jenny List | [
"chemistry hacks"
] | [
"flash ironmaking",
"iron smelting",
"smelting"
] | The process of ironmaking has relied for centuries on iron ore, an impure form of iron oxide, slowly being reduced to iron by carbon monoxide in a furnace. Whether that furnace is the charcoal fire of an Iron Age craftsman or a modern blast furnace, the fundamental process remains the same, even if the technology aroun... | 93 | 33 | [
{
"comment_id": "8071911",
"author": "Zai1208",
"timestamp": "2024-12-12T12:38:15",
"content": "If any readers have journal access we’d be interested in some insight in the commentsNow you’ve sent me on a manhunt for information",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,702.247519 | ||
https://hackaday.com/2024/12/12/pico-logic-analyzer-gets-new-version/ | Pico Logic Analyzer Gets New Version | Al Williams | [
"Raspberry Pi",
"Tool Hacks"
] | [
"logic analyzer",
"pi pico"
] | [Happy Little Diodes] built a Pi Pico logic analyzer designed by [El Dr. Gusman] using the original design. But he recently had a chance to test the
newest version of the design
, which is a big upgrade. You can see his take on the new design in the video below.
The original design could sample 24 channels at 100 MHz a... | 27 | 9 | [
{
"comment_id": "8071886",
"author": "shinsukke",
"timestamp": "2024-12-12T11:00:56",
"content": "I am travelling so I cannot watch the video, but how does is the sampling rate reach 400MS/s? Is the creators overclocking the 133MHz ARM cores? I know RP2040 is dual core, so I wonder if they can/are “... | 1,760,371,702.311157 | ||
https://hackaday.com/2024/12/11/tiny-pong-big-ambitions-worlds-smallest-arcade/ | TinyPONG, Big Ambitions: World’s Smallest Arcade | Heidi Ulrich | [
"classic hacks",
"Toy Hacks"
] | [
"arcade",
"arcade game",
"atari",
"guinness book of records",
"miniature",
"pong",
"record"
] | London, Ontario college student [Victoria Korhonen] has captured the attention of tech enthusiasts and miniaturization lovers with her creation of what might be
the world’s smallest arcade machine
. Standing just 64 mm tall, 26 mm wide, and 30 mm deep, this machine is a scaled-down marvel playing the classic Atari game... | 5 | 5 | [
{
"comment_id": "8071882",
"author": "ono",
"timestamp": "2024-12-12T10:43:56",
"content": "Nice, but does not beat the Lego brickhttps://hackaday.com/2022/12/20/more-detail-on-that-fantastic-lego-oled-brick/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071... | 1,760,371,702.352248 | ||
https://hackaday.com/2024/12/11/danger-klipper-fork-renamed-to-kalico/ | Danger-Klipper Fork Renamed To Kalico | Maya Posch | [
"3d Printer hacks"
] | [
"kalico",
"klipper"
] | Hobbyist 3D printers have traditionally run the open source Marlin and later Klipper firmware, but as some hobbyists push their printers to the limits, more capable and less conservative firmware was needed. This is why the aptly named ‘Danger-Klipper’ fork of the Klipper firmware comes with the motto ‘I should be able... | 5 | 4 | [
{
"comment_id": "8071779",
"author": "LookAtDaShinyShiny",
"timestamp": "2024-12-12T03:41:41",
"content": "‘Hobbyist 3D printers have traditionally run the open source Merlin* firmware’That should be Marlin, also keeping with the nautical theme :-)",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,702.400105 | ||
https://hackaday.com/2024/12/11/chaotic-system-cooks-meat-evenly/ | Chaotic System Cooks Meat Evenly | Bryan Cockfield | [
"cooking hacks"
] | [
"chaotic system",
"cooking",
"cookout",
"gyro",
"gyroscope",
"meat",
"roast",
"spit"
] | For better or worse, a lot of human technology is confined to fewer dimensions than the three we can theoretically move about in. Cars and trains only travel two dimensionally with limited exceptions, maps and books generally don’t take advantage of a third dimension, and most computer displays and even the chips that ... | 35 | 16 | [
{
"comment_id": "8071734",
"author": "Paul",
"timestamp": "2024-12-12T00:09:46",
"content": "Will the meat passenger go into a wormhole once it gets up to speed?https://www.youtube.com/watch?v=Z8axMaBL4uo(Contact1997)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,702.473704 | ||
https://hackaday.com/2024/12/10/from-felt-to-fate-building-your-own-sorting-hat/ | From Felt To Fate: Building Your Own Sorting Hat | Heidi Ulrich | [
"Robots Hacks"
] | [
"animatronic",
"ESP",
"ESP32",
"harry potter",
"HP",
"robot",
"sorting hat",
"sortinghat",
"Wizard"
] | Ever wondered how it feels to have the Sorting Hat decide your fate? [Will Dana] wanted to find out, so he conjured a bit of Hogwarts magic, and crafted
a fully animatronic Sorting Hat from scratch
. In the video below, he covers every step of bringing this magical purple marvel to life—from rapid joystick movements to... | 3 | 2 | [
{
"comment_id": "8071491",
"author": "make piece not war",
"timestamp": "2024-12-11T15:17:19",
"content": "Can it do a heap sort?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071495",
"author": "Will Dana",
"timestamp": "2024-12-11T15:24:28",
"c... | 1,760,371,702.625547 | ||
https://hackaday.com/2024/12/10/a-potential-exploit-with-the-ext-filesystem/ | A Potential Exploit With The Ext Filesystem | Bryan Cockfield | [
"Linux Hacks"
] | [
"exploit",
"ext",
"extended filesystem",
"filesystem",
"linux"
] | The extended filesystem, otherwise known as ext, has been a fundamental part of Linux since before the 1.0 release in 1994. Currently the filesystem is on its fourth major revision, in use since its release in 2008 thanks to its stability, reliability, and backwards compatibility with the other ext filesystem versions.... | 58 | 17 | [
{
"comment_id": "8071387",
"author": "Nathan",
"timestamp": "2024-12-11T03:15:57",
"content": "To clarify, since it’s not clearly stated: is this a vulnerability with any system that uses ext, or do you need to have that utility installed and running in order to force a kernel panic?Seems to be that... | 1,760,371,702.586962 | ||
https://hackaday.com/2024/12/10/flying-drones-that-can-walk-and-jump-into-the-air-an-idea-with-legs/ | Flying Drones That Can Walk And Jump Into The Air: An Idea With Legs? | Maya Posch | [
"drone hacks"
] | [
"bio-inspired",
"Bio-inspired Mechanics",
"drone"
] | When we look at how everyone’s favorite flying dinosaurs get around, we can see that although they use their wings a lot too, their legs are at least as important. Even waddling or hopping about somewhat ungainly on legs is more energy efficient than short flights, and taking off from the ground is helped by jumping in... | 13 | 6 | [
{
"comment_id": "8071385",
"author": "echodelta",
"timestamp": "2024-12-11T02:33:50",
"content": "One way trips that’s good. Going places and coming back is worthwhile. Hopping around whilst there better.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071397"... | 1,760,371,702.674422 | ||
https://hackaday.com/2024/12/10/3d-printer-eliminates-the-printer-bed/ | 3D Printer Eliminates The Printer Bed | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"environment",
"floor",
"mobile",
"robot",
"vacuum cleaner"
] | Anyone who has operated a 3D printer before, especially those new to using these specialized tools, has likely had problems with the print bed. The bed might not always be the correct temperature leading to problems with adhesion of the print, it could be uncalibrated or dirty or cause any number of other issues that u... | 28 | 16 | [
{
"comment_id": "8071315",
"author": "jade",
"timestamp": "2024-12-10T21:10:06",
"content": "A while ago I saw a variant of this (can’t find it atm) that used polar kinematics and was able to wall itself in. This isn’t the printer, but it’s similar:https://www.youtube.com/watch?v=b3UO8UuvhM4",
"... | 1,760,371,702.739617 | ||
https://hackaday.com/2024/12/10/trying-to-shatter-the-worlds-fastest-rc-car-record/ | Trying To Shatter The World’s Fastest RC Car Record | Maya Posch | [
"drone hacks"
] | [
"drone fpv",
"FPV",
"R/C car",
"world record"
] | The RC car is controlled via an FPV setup. (Credit: Luke Bell, YouTube)
Fresh off a world record for the fastest quadcopter, [Luke Bell] decided to try his luck with something more own to earth, namely trying to tackle the
world record for the fastest RC car
, with the current record set at 360 km/h. Starting off with ... | 18 | 8 | [
{
"comment_id": "8071301",
"author": "DerAxeman",
"timestamp": "2024-12-10T20:41:33",
"content": "I wonder how he is going to claim its official? Does he hire a surveyor to measure the course and a certified timing specialist? Or is he just going to say trust my gps from Adafruit?",
"parent_id":... | 1,760,371,702.799396 | ||
https://hackaday.com/2024/12/10/2025-hackaday-europe-cfp-we-want-you/ | 2025 Hackaday Europe CFP: We Want You! | Elliot Williams | [
"cons",
"Hackaday Columns",
"News"
] | [
"2025 Hackaday Europe",
"berlin",
"hackaday europe"
] | Hackaday’s Supercon is still warm in our hearts, and the snow is just now starting to fall, but we’re already looking forward to Spring. Or at least to Hackaday Europe, which will be taking place March 15th and 16th in Berlin, Germany.
Tickets aren’t on sale yet, but we know a way that you can get in for free.
Call for... | 13 | 6 | [
{
"comment_id": "8071350",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-10T22:47:20",
"content": "Just wondering, is Berlin your home, Elliot?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8071355",
"author": "BT",
... | 1,760,371,702.849037 | ||
https://hackaday.com/2024/12/10/creating-a-radiation-king-radio-in-the-real-world/ | Creating A Radiation King Radio In The Real World | Lewin Day | [
"Misc Hacks"
] | [
"Fallout",
"radiation king",
"radio",
"raspberry pi"
] | If you’re a fan of the
Fallout
series of games, you’ve probably come across a Radiation King radio before. In the game, that is, they don’t exist in real life.
Which is precisely why [zapwizard] built one!
Externally, the design faithfully recreates the mid-century design of the Radiation King. It’s got the louvered ve... | 14 | 4 | [
{
"comment_id": "8071251",
"author": "Eric Mockler",
"timestamp": "2024-12-10T17:06:59",
"content": "I have a Stromberg-Carlson from like 1948 that looks a lot like that, glows in the front and actually pulls in a couple stations. Except mine is real beige bakelite, and looks more fall-outy than th... | 1,760,371,702.905969 | ||
https://hackaday.com/2024/12/10/disc-filmwhen-kodak-pushed-convenience-too-far/ | Disc Film,When Kodak Pushed Convenience Too Far | Jenny List | [
"Featured",
"History",
"Interest",
"Original Art"
] | [
"camera",
"disc camera",
"film camera",
"kodak"
] | Having a penchant for cheap second-hand cameras can lead to all manner of interesting equipment. You never know what the next second-hand store will provide, and thus everything from good quality rangefinders an SLRs to handheld snapshot cameras can be yours for what is often a very acceptable price. Most old cameras c... | 48 | 20 | [
{
"comment_id": "8071204",
"author": "Antron Argaiv",
"timestamp": "2024-12-10T15:04:40",
"content": "I never had a disc camera. My daughter had an APS and I had a 126, but I quickly realised that the cost per image was lower with 35mm, so I went to that, with an Olympus point & shoot. Kodak was all... | 1,760,371,703.262152 | ||
https://hackaday.com/2024/12/10/updated-mouse-ring-does-it-with-a-joystick/ | Updated Mouse Ring Does It With A Joystick | Kristina Panos | [
"Peripherals Hacks"
] | [
"bluetooth",
"computer mouse",
"hid",
"mouse",
"mouse ring",
"nRF52840",
"Seeed Xiao nrf52840"
] | Have you ever wished for easy mouse controls to go along with your VR headset experience? Or maybe you just want a cooler way to mouse in general. In any case, look no further than [rafgaj78]’s Bluetooth
Mouse Ring project
.
This is version two, which of course comes with several improvements over
version one
. The big... | 9 | 5 | [
{
"comment_id": "8071195",
"author": "Elstar",
"timestamp": "2024-12-10T14:33:51",
"content": "I would have instead used the Seeed Xiao Sense and taken advantage of it’s built-in accelerometer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071198",
"auth... | 1,760,371,703.00655 | ||
https://hackaday.com/2024/12/10/an-engineers-perspective-on-baking-gingerbread-houses/ | An Engineer’s Perspective On Baking Gingerbread Houses | Heidi Ulrich | [
"3d Printer hacks",
"cooking hacks"
] | [
"cad",
"freecad",
"gingerbread",
"holiday",
"optical illusion",
"trompe l'oeil",
"true perspective"
] | If you’ve ever wanted to merge the worlds of holiday cheer and clever geometry,
[Kris Wilk]’s gingerbread house hack
is your ultimate inspiration. Shared in a mesmerising video, [Wilk] showcases his 2024 entry for his neighborhood’s gingerbread house contest. Designed in FreeCAD and baked to perfection, this is no ordi... | 5 | 4 | [
{
"comment_id": "8071140",
"author": "H Hack",
"timestamp": "2024-12-10T11:14:00",
"content": "Everything about this is wonderful. Concentrated into a 2 minute video. This could easily have been a 30 minute video which I’d never had watched.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,703.052745 | ||
https://hackaday.com/2024/12/09/a-simple-robot-for-learning-about-robotics/ | A Simple Robot For Learning About Robotics | Lewin Day | [
"Robots Hacks"
] | [
"bug",
"robot",
"small robot"
] | Robots are super interesting, but you probably shouldn’t start learning about them with a full-sized industrial SCARA arm or anything. Better to learn with something smaller and simpler to understand.
This simple Arduino-powered robot is called Bug
, and it aims to be just that.
The design comes to us from [Joshua Stan... | 6 | 3 | [
{
"comment_id": "8071083",
"author": "Joshua",
"timestamp": "2024-12-10T06:30:42",
"content": "“We see lots of educational robots around these parts, like this nifty little robot arm.”That’s a classic. Back in the 1980s, Fischertechnik (not fisher price) had made such robot arms in my country.There ... | 1,760,371,703.420307 | ||
https://hackaday.com/2024/12/09/smartphone-runs-home-server/ | Smartphone Runs Home Server | Bryan Cockfield | [
"Phone Hacks"
] | [
"android",
"battery management system",
"docker",
"linux",
"oneplus 6t",
"postmarketos",
"server"
] | It’s one of the great tragedies of our technological era. Smartphones that feature an incredible amount of computational power compared to computers the past, are largely locked down by carriers or manufacturers, dooming them to performing trivial tasks far below their true capabilities.
But there is hope.
In part one ... | 21 | 12 | [
{
"comment_id": "8071067",
"author": "LookAtDaShinyShiny",
"timestamp": "2024-12-10T04:44:45",
"content": "pass the butter?https://www.youtube.com/watch?v=X7HmltUWXgs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8071080",
"author": "Velli",
"timestam... | 1,760,371,703.323214 | ||
https://hackaday.com/2024/12/09/playstation-motherboard-sanded-and-scanned-but-theres-more-to-do/ | PlayStation Motherboard Sanded And Scanned, But There’s More To Do | Lewin Day | [
"Playstation Hacks"
] | [
"motherboard",
"playstation",
"reverse engineering"
] | If you want to reverse engineer the boards in a modern console, you’d better have a lab, a lot of fancy gear, and a good few months to dedicate to the task. The humble PlayStation, on the other hand, is more accessible in this regard.
[Lawrence Brode] pulled one apart and started documenting it
as part of a grander que... | 14 | 7 | [
{
"comment_id": "8070989",
"author": "ITman496",
"timestamp": "2024-12-10T00:08:16",
"content": "I remember seeing someone do this already in the past?https://bitbuilt.net/forums/index.php?threads/an-attempt-to-recreate-the-ps2-pcb.4786/",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,703.373486 | ||
https://hackaday.com/2024/12/09/raspberry-pi-500-and-the-case-of-the-missing-m-2-slot/ | Raspberry Pi 500 And The Case Of The Missing M.2 Slot | Maya Posch | [
"Raspberry Pi",
"Teardown"
] | [
"BCM2712",
"M.2",
"raspberry pi 500"
] | Raspberry Pi just dropped the new Raspberry Pi 500, which like its predecessor puts the similarly named SBC into a keyboard. In a
detailed review
and
teardown video
, [Jeff Geerling] goes over all the details, and what there is to like and not like about this new product.
The new Raspberry Pi 500 with the new Raspberry... | 78 | 15 | [
{
"comment_id": "8070911",
"author": "Grawp",
"timestamp": "2024-12-09T21:28:49",
"content": "Honestly what is the problem with connecting SSD disk via USB? Typical 20eur disk frame can easily max out whole USB3 5Gpbs connection and supports TRIM & stuff in Linux without any kernel hacks. Just don’t... | 1,760,371,703.638489 | ||
https://hackaday.com/2024/12/08/silicon-carbide-may-replace-zirconium-alloys-for-nuclear-fuel-rod-cladding/ | Silicon Carbide May Replace Zirconium Alloys For Nuclear Fuel Rod Cladding | Maya Posch | [
"Science"
] | [
"nuclear fuel",
"silicon carbide"
] | Since the construction of the first commercial light water nuclear power plants (LWR) the design of their fuel rods hasn’t changed significantly. Mechanically robust and corrosion-resistant zirconium alloy (zircalloy) tubes are filled with ceramic fuel pellets, which get assembled into fuel assemblies for loading into ... | 27 | 6 | [
{
"comment_id": "8070594",
"author": "HaHa",
"timestamp": "2024-12-09T03:29:14",
"content": "In other news: I may replace Tylor Swift as the highest grossing musical tour.Le Lepetomane reborn!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070595",
... | 1,760,371,703.498597 | ||
https://hackaday.com/2024/12/08/hackaday-links-december-8-2024/ | Hackaday Links: December 8, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"5-1/4\"",
"ASML",
"compliance",
"curl",
"doxxing",
"eu",
"festo",
"floppies",
"GPSR",
"hackaday links",
"lego",
"libcurl",
"ms-dos",
"Pneumatics",
"regulations",
"safety",
"san francisco",
"Thunderstruck"
] | For some reason, we never tire of stories highlighting critical infrastructure that’s running outdated software, and all the better if it’s running on outdated hardware. So when we learned that
part of the San Francisco transit system still runs on 5-1/4″ floppies
, we sat up and took notice. The article is a bit sting... | 14 | 6 | [
{
"comment_id": "8070567",
"author": "Hirudinea",
"timestamp": "2024-12-09T00:31:28",
"content": "So would the Air Guitar be considered a stringed instrument or a wind instrument? Also, SF, it’s called a a GOTEK.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,371,703.749852 | ||
https://hackaday.com/2024/12/08/pedaling-your-mobile-web-server-across-the-globe/ | Pedaling Your Mobile Web Server Across The Globe | Heidi Ulrich | [
"Raspberry Pi",
"Transportation Hacks"
] | [
"bicycle",
"bike",
"cycling",
"hosting",
"ipv4",
"IPv6",
"mini web server",
"raspberry pi",
"ssh",
"vps",
"web server"
] | We tinkerers often have ideas we know are crazy, and we make them up in the most bizarre places, too. For example, just imagine hosting a website while pedaling across the world—who would (not) want that? Meet [Jelle Reith], a tinkerer on an epic cycling adventure,
whose bicycle doubles as a mobile web server
. [Jelle]... | 11 | 8 | [
{
"comment_id": "8070524",
"author": "alialiali",
"timestamp": "2024-12-08T22:09:50",
"content": "I hope the bottom of the page says “It took 2m to serve you this page” instead of the usual render time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070555"... | 1,760,371,703.692785 | ||
https://hackaday.com/2024/12/08/new-tullomer-filament-claims-to-beat-peek-aluminium-and-steel/ | New Tullomer Filament Claims To Beat PEEK | Maya Posch | [
"3d Printer hacks"
] | [
"3d printer filament",
"FDM"
] | Recently a company called Z-Polymers introduced its new Tullomer FDM filament that comes with a lofty bullet list of purported properties that should give materials like steel, aluminium, and various polymers a run for their money. Even better is that it is compatible with far lower specification FDM printers than e.g.... | 43 | 18 | [
{
"comment_id": "8070488",
"author": "mgsouth",
"timestamp": "2024-12-08T18:58:55",
"content": "Note that the All3DP piece looks to be sponsored content or other Marketting arranged materiel. Probably not independent, but still seems useful and informative. Just a notch below technology-overview art... | 1,760,371,703.840985 | ||
https://hackaday.com/2024/12/08/tiny-nfc-powered-keychain-thermometer/ | Tiny NFC-Powered Keychain Thermometer | Heidi Ulrich | [
"ATtiny Hacks",
"Wearable Hacks"
] | [
"attiny1626",
"keychain",
"microcontroller",
"NFC",
"temperature",
"thermometer",
"wearable"
] | What if your keychain could tell you the temperature, all while staying battery-free? That’s the essence of this
innovative keychain ‘NFC_temp’ by [bjorn]
. This nifty gadget harnesses energy from an NFC field—like the one created by your smartphone—to power itself just long enough to take a precise temperature reading... | 9 | 5 | [
{
"comment_id": "8070449",
"author": "Matt",
"timestamp": "2024-12-08T17:19:02",
"content": "I would buy one of these if it was a product.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070468",
"author": "Tom",
"timestamp": "2024-12-08T18:2... | 1,760,371,703.886039 | ||
https://hackaday.com/2024/12/08/the-audiophile-carrot/ | The Audiophile Carrot | Jenny List | [
"home entertainment hacks"
] | [
"\"audiophiles\"",
"audio",
"carrot"
] | The widely quoted carrot factoid that the vegetable’s orange colour is the result of patriotic Dutch farmers breeding them that way may be an urban myth, but it’s certainly true that they can pass an audio signal in a time of need. [Julian Krause]
follows up on a Reddit meme of a carrot being used to join two phono plu... | 31 | 19 | [
{
"comment_id": "8070371",
"author": "UnderSampled",
"timestamp": "2024-12-08T12:27:19",
"content": "Better save that video — it might get a copyright strike!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070477",
"author": "TG",
"timestamp... | 1,760,371,703.958327 | ||
https://hackaday.com/2024/12/08/wasm-4-retro-game-dev-right-in-your-browser/ | WASM-4: Retro Game Dev Right In Your Browser | Heidi Ulrich | [
"Games",
"Software Development"
] | [
"browser",
"game",
"game jam",
"gaming",
"platform independant",
"retro",
"wasm",
"web assembly",
"webassembly"
] | Have you ever dreamt of developing games that run on practically anything, from a modern browser to a microcontroller? Enter
WASM-4
, a minimalist fantasy console where constraints spark creativity. Unlike intimidating behemoths like Unity, WASM-4’s stripped-back specs challenge you to craft games within its 160×160 pi... | 12 | 4 | [
{
"comment_id": "8070354",
"author": "Jouni",
"timestamp": "2024-12-08T10:46:04",
"content": "“Any language that compiles to WebAssembly—be it Rust, Go, or AssemblyScript—can build games for it.”Was it on purpose C and C++ was not mentioned here?The webpage says “Use any programming language, as lon... | 1,760,371,704.066435 | ||
https://hackaday.com/2024/12/09/do-3d-printers-dream-of-lego-sheep/ | Do 3D Printers Dream Of LEGO Sheep? | Heidi Ulrich | [
"Parts",
"Toy Hacks"
] | [
"3D printed lego",
"3d printer",
"3d scanner",
"3d scanning",
"CR-Scan",
"CR-Scan Otter",
"lego"
] | Imagine the power to clone your favorite LEGO piece—not just any piece, but let’s say, one that costs €50 second-hand. [Balazs] from RacingBrick posed this exact question: can a 3D scanner recreate LEGO pieces at home? Armed with Creality’s CR-Scan Otter, he set out
to duplicate a humble DUPLO sheep
and, of course, tac... | 21 | 7 | [
{
"comment_id": "8070902",
"author": "Paul",
"timestamp": "2024-12-09T21:02:16",
"content": "Now, are those designs covered by copyright?And I do hope he named that cloned sheep “Dolly”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8070917",
"author": "O... | 1,760,371,704.02022 | ||
https://hackaday.com/2024/12/09/keebin-with-kristina-the-one-with-the-funny-keyboard/ | Keebin’ With Kristina: The One With The Funny Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"3.5\" floppy disk",
"ASCII keyboard",
"comic book",
"Defi typewriter",
"Don Lancaster",
"floppy disk",
"folding keyboard",
"Lancaster keyboard",
"macro keyboard",
"marshmallow keycaps"
] | What’s the most important keyboard macro you know? Honestly, it’s probably Ctrl-S. But do you use that one often enough? Chances are, you do not. What you need is
a giant, dedicated Save keyboard that looks like a floppy disk
.
Image by [Makestreme] via
Hackaday.IO
[Makestreme] recently started creating YouTube videos,... | 19 | 8 | [
{
"comment_id": "8070857",
"author": "jbx",
"timestamp": "2024-12-09T19:00:38",
"content": "When using any browser, use Alt+F4 to save any important data on the server ;-)You may also use Ctrl+w.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070870",
... | 1,760,371,706.10202 | ||
https://hackaday.com/2024/12/09/electric-bike-uses-no-electronics-weird-motor/ | Electric Bike Uses No Electronics, Weird Motor | Lewin Day | [
"Transportation Hacks"
] | [
"bike",
"motor",
"reed switch motor"
] | E-bikes combine a bicycle with a big lithium battery, a speed controller, and a motor. What you get from that combination is simple, efficient transportation. [Tom Stanton] wanted to build an e-bike himself,
but he did it
without
any of the fancy electronic components.
But the real gem? The weird janky motor he built t... | 24 | 7 | [
{
"comment_id": "8070819",
"author": "Andy",
"timestamp": "2024-12-09T17:23:31",
"content": "Wait hold on… He FILED grooves in the tungsten rods? Did he…get these tungstens on…… Amazon?Interesting choice of commutation too, maybe I should shut my mouth and make my own YouTube video with the ol’ ca... | 1,760,371,706.036922 | ||
https://hackaday.com/2024/12/09/finally-putting-the-rk1-through-its-paces/ | Finally Putting The RK1 Through Its Paces | Jonathan Bennett | [
"Featured",
"News",
"Reviews",
"Slider"
] | [
"RK1",
"Rockchip",
"Turing Pi"
] | The good folks at Turing Pi sent me a trio of
RK1 modules
to put through their paces, to go along with the single unit I bought myself. And the TLDR, if you need some real ARM processing power, and don’t want to spend an enterprise budget, a Turing Pi 2 filled with RK1s is a pretty compelling solution. And the catch? I... | 15 | 9 | [
{
"comment_id": "8070814",
"author": "macsimski",
"timestamp": "2024-12-09T17:12:58",
"content": "maybe insert a break somewhere?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070892",
"author": "The Commenter Formerly Known As Ren",
"times... | 1,760,371,705.970109 | ||
https://hackaday.com/2024/12/09/robot-rodents-how-ai-learned-to-squeak-and-play/ | Robot Rodents: How AI Learned To Squeak And Play | Heidi Ulrich | [
"Artificial Intelligence",
"Robots Hacks"
] | [
"ai",
"animatronic",
"artificial intelligence",
"lab rat",
"rat",
"robot",
"robot rat",
"rodent",
"SMEO"
] | In an astonishing blend of robotics and nature,
SMEO—a robot rat designed by researchers in China and Germany
— is fooling real rats into treating it like one of their own.
What sets SMEO apart is its rat-like adaptability. Equipped with a flexible spine, realistic forelimbs, and AI-driven behavior patterns, it doesn’t... | 10 | 7 | [
{
"comment_id": "8070738",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-09T13:06:55",
"content": "You like Terminators?Because that’s how you get Terminators.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070760",
"author"... | 1,760,371,705.811919 | ||
https://hackaday.com/2024/12/09/debugging-the-ue1-paper-tape-reader-and-amplification-circuit/ | Debugging The UE1 Paper Tape Reader And Amplification Circuit | Maya Posch | [
"Retrocomputing"
] | [
"paper tape",
"troubleshooting",
"tube computer"
] | The tape reader and amplifiers mounted with the other UE1 modules. (Credit: David Lovett, YouTube)
After recently putting together the paper tape reader for his custom tube-based UE1 computer, [David Lovett] did get squiggles on the outputs, but not quite the right ones. In the
most recent video
, these issues are addr... | 2 | 1 | [
{
"comment_id": "8070705",
"author": "hjf",
"timestamp": "2024-12-09T11:32:44",
"content": "I love how the clock signal handled in paper tape. instead of having some sort of delay circuit to make sure the data lines have settled, the paper tape simply has smaller holes for the clock signal. this gua... | 1,760,371,705.912244 | ||
https://hackaday.com/2024/12/08/magic-eye-images-in-your-spreadsheet/ | Magic Eye Images In Your Spreadsheet | Jenny List | [
"computer hacks"
] | [
"excel",
"magic eye",
"spreadsheet"
] | Ah, the 1990s. It was a simpler time, when the web was going to be democratic and decentralised, you could connect your Windows 95 PC to the internet without worrying much about it being compromised, and freely download those rave music MP3s. Perhaps you had a Global Hypercolor T-shirt and spent a summer looking like t... | 56 | 15 | [
{
"comment_id": "8070613",
"author": "LambdaMikel",
"timestamp": "2024-12-09T06:26:08",
"content": "I was wondering what that was, but it turns out you cut off the upper part of the “x” from the image:https://divisbyzero.com/wp-content/uploads/2024/11/x.pngThanks for the trip down memory lane, I own... | 1,760,371,706.196633 | ||
https://hackaday.com/2024/12/07/cheap-fpga-pcie-development/ | Cheap FPGA PCIe Development | Al Williams | [
"FPGA"
] | [
"fpga",
"PCIe"
] | Typically, if you want to build an FPGA project inside a PC, you’d need a fairly expensive development board that plugs into the bus. However, [CircuitValley] found some IBM RS-485 boards that are little more than a PCIe board with an Intel FPGA onboard. These are widely avaiable on the surplus market for around $20 sh... | 18 | 9 | [
{
"comment_id": "8070335",
"author": "Neverm|nd",
"timestamp": "2024-12-08T08:35:17",
"content": "This is pretty cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8070337",
"author": "Dodo",
"timestamp": "2024-12-08T08:53:56",
"content": "Supris... | 1,760,371,705.649351 | ||
https://hackaday.com/2024/12/07/a-look-inside-ikeas-vallhorn-motion-sensor-teardown/ | A Look Inside IKEA’s Vallhorn Motion Sensor Teardown | Jenny List | [
"home hacks",
"Teardown"
] | [
"ikea",
"pir",
"zigbee"
] | A good source of hackable home automation parts has come for a while in the form of inexpensive modules offered by large retailers such as Lidl, or IKEA. They’re readily available and easy to play with, they work with open source hubs, so what’s not to like! As an example, [Circuit Valley] has
an IKEA Vallhorn motion s... | 25 | 10 | [
{
"comment_id": "8070298",
"author": "Felix Domestica",
"timestamp": "2024-12-08T03:39:42",
"content": "Brief note: Simple single-sensor IR motion detectors do not play well with mini split heat pump systems. They trigger on the moving plume of warmed air. A real ir camera and image processing might... | 1,760,371,706.259427 | ||
https://hackaday.com/2024/12/07/microchess-remembered/ | MicrochessRemembered | Al Williams | [
"Interviews",
"Retrocomputing"
] | [
"chess",
"kim-1",
"Microchess",
"peter jennings"
] | Playing chess has always been a bellwether for computers. The game isn’t trivial, but the rules are managably simple. However, the game is too complex to be easily solved entirely, so you have to use tricky software to play a credible game. Big computers do have an advantage, of course. But
Microchess
— arguably the fi... | 10 | 4 | [
{
"comment_id": "8070282",
"author": "Mike Burke",
"timestamp": "2024-12-08T02:11:18",
"content": "I remember Microchess. I thought it was pretty cool considering the limits of the Kim-1 and Commodore systems at the time.I was in Alaska (I had the first store selling Apple II and Commodore PET syste... | 1,760,371,705.859286 | ||
https://hackaday.com/2024/12/07/the-25000-tom-evans-pre-amp-repair-and-a-copyright-strike/ | The £25,000 Tom Evans Pre-Amp Repair And A Copyright Strike | Maya Posch | [
"Repair Hacks"
] | [
"copyright",
"pre-amp"
] | We were recently notified by a reader that [Tom Evans] had filed a copyright claim against [Mark]’s repair video on his
Mend it Mark
YouTube channel, taking down said repair video as well as [Mark]’s delightful commentary. In a
new video, [Mark] comments
on this takedown and the implications. The biggest question is wh... | 103 | 25 | [
{
"comment_id": "8070216",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-07T21:18:27",
"content": "Not receiving a decent explanation for their takedown is pure G@@gle.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070239",
... | 1,760,371,706.415791 | ||
https://hackaday.com/2024/12/07/liquid-metal-ion-thrusters-arent-easy/ | Liquid Metal Ion Thrusters Aren’t Easy | Dan Maloney | [
"Tech Hacks"
] | [
"Galinstan",
"gallium",
"high voltage",
"ion",
"ion engine",
"liquid metal",
"plasma",
"thruster"
] | What do scanning electron microscopes and satellites have in common? On the face of things, not much, but after seeing
[Zachary Tong]’s latest video on liquid metal ion thrusters
, we see that they seem to have a lot more in common than we’d initially thought.
As you’d expect with such a project, there were a lot of fa... | 10 | 4 | [
{
"comment_id": "8070192",
"author": "TG",
"timestamp": "2024-12-07T18:48:53",
"content": "Thrust is an interesting figure to have, but was the specific impulse measured? That’s the important metric for an ion engine",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,371,706.462089 | ||
https://hackaday.com/2024/12/07/tis-the-season/ | Tis The Season | Elliot Williams | [
"Hackaday Columns",
"Holiday Hacks",
"LED Hacks",
"Slider"
] | [
"addressable leds",
"diy",
"holidays",
"newsletter",
"presents"
] | ’Tis the season for soldering! At least at my house. My son and I made some fairly LED-laden gifts for the immediate relatives last year, and he’s got the blinky bug. We were brainstorming what we could make this year, and his response was “I don’t care, but it needs to have lots of LEDs”.
It’s also the season for reve... | 16 | 8 | [
{
"comment_id": "8070148",
"author": "QBFreak",
"timestamp": "2024-12-07T15:49:47",
"content": "I tried to get a set of WS2812 compatible fairy lights to decorate something for my mother. Previous years I used non-RGB multi-colored fairy lights and they just weren’t quite what we wanted. I was quite... | 1,760,371,706.707339 | ||
https://hackaday.com/2024/12/07/printing-in-multi-material-use-these-filament-combos/ | Printing In Multi-material? Use These Filament Combos | Donald Papp | [
"3d Printer hacks"
] | [
"abs",
"asa",
"flex",
"Metamaterial",
"multi-material",
"PETG",
"PLA",
"support material"
] | If one has a multi-material printer there are more options than simply printing in different colors of the same filament.
[Thomas Sanladerer] explores combinations of different filaments
in a fantastic article that covers not just which materials make good removable support interfaces, but also which ones stick to each... | 15 | 5 | [
{
"comment_id": "8070100",
"author": "Christopher Dubea",
"timestamp": "2024-12-07T13:08:55",
"content": "As there is a Bambu Labs P1S with AMS under the Christmas tree right now, this is handy information.Thanks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,371,706.76125 | ||
https://hackaday.com/2024/12/06/the-6809-8-bit-microcomputer-a-father-son-odyssey/ | The 6809 8-Bit Microcomputer: A Father-Son Odyssey | Heidi Ulrich | [
"classic hacks",
"Retrocomputing"
] | [
"6809",
"8 bit",
"KiCAD",
"micro-lind",
"microcomputer",
"motorola 6809",
"retrocomputing",
"µLind"
] | If you’re nostalgic for the golden age of microprocessors and dream of building your own computer, this story might spark your imagination. [Eric Lind], passionate retro enthusiast and his 14-year-old son, embarked on a mission to
craft a microcomputer from scratch
, centred around the exotic Motorola 6809 chip: the µL... | 22 | 9 | [
{
"comment_id": "8069895",
"author": "Wallace Ronald Delvaux",
"timestamp": "2024-12-06T20:51:58",
"content": "8 bit/ 16bit!! look it up!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8069914",
"author": "Mitch",
"timestamp": "2024-12-06T21:34:41",
... | 1,760,371,707.027545 | ||
https://hackaday.com/2024/12/06/this-week-in-security-national-backdoors-web3-backdoors-and-nearest-neighbor-wifi/ | This Week In Security: National Backdoors, Web3 Backdoors, And Nearest Neighbor WiFi | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Backdoors",
"Nearest Neighbors",
"Solana",
"This Week in Security"
] | Maybe those backdoors weren’t such a great idea. Several US Telecom networks
have been compromised by a foreign actor
, likely China’s Salt Typhoon, and it looks like one of the vectors of compromise is the Communications Assistance for Law Enforcement Act (CALEA) systems that allow for automatic wiretapping at governm... | 16 | 10 | [
{
"comment_id": "8069815",
"author": "limroh",
"timestamp": "2024-12-06T15:28:10",
"content": "Don’t trust the Webcam LED.Heh, I’ve got an ancient but still working “Logitech QuickCam 3000 Pro” and at some point I added a DPST switch (double pole single throw) inside the spherical case to disconnect... | 1,760,371,707.087324 | ||
https://hackaday.com/2024/12/06/hacked-ultrasonic-sensors-let-you-see-with-sound/ | Hacked Ultrasonic Sensors Let You See With Sound | Dan Maloney | [
"Parts",
"Tech Hacks"
] | [
"audio",
"dish",
"downsampling",
"ESP32",
"HC-SR04",
"PCM1808",
"radar",
"sonar",
"ultrasonic"
] | If you want to play with radar — and who could blame you — you can pretty easily get your hands on something like the automotive radar sensors used for collision avoidance and lane detection. But the “R” in radar still stands for “Radio,” and RF projects are always fraught, especially at microwave frequencies. What’s t... | 13 | 6 | [
{
"comment_id": "8069833",
"author": "Andy",
"timestamp": "2024-12-06T16:39:14",
"content": "Love the satellite dish – it sure works well too. I wonder for the future if there’s an analog “angle” to go at this, using a much higher frequency sound signal and an analog heterodyne to bring the sample ... | 1,760,371,706.883358 | ||
https://hackaday.com/2024/12/06/non-planar-fuzzy-skin-textures-improved-plus-a-paint-on-interface/ | Non-Planar Fuzzy Skin Textures Improved, Plus A Paint-On Interface | Dan Maloney | [
"3d Printer hacks"
] | [
"Bambu",
"fuzzy skin",
"non-planar",
"Orca",
"post-processing",
"prusa",
"slicer",
"texture"
] | If you’ve wanted to get in on the “fuzzy skin” action with 3D printing but held off because you didn’t want to fiddle with slicer post-processing, you need to check out the
paint-on fuzzy skin generator
detailed in the video below.
For those who haven’t had the pleasure, fuzzy skin is a texture that can be applied to t... | 4 | 4 | [
{
"comment_id": "8069768",
"author": "Tomek",
"timestamp": "2024-12-06T13:04:26",
"content": "Great job! Thank you",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8069794",
"author": "Benjamin Goldberg",
"timestamp": "2024-12-06T14:05:56",
"content"... | 1,760,371,706.648096 | ||
https://hackaday.com/2024/12/05/a-hundred-year-old-solid-state-amplifier/ | A Hundred Year Old Solid State Amplifier | Jenny List | [
"classic hacks",
"Parts"
] | [
"carbon microphone",
"carbon microphone amplifier",
"crystal set"
] | Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s invention by the Russian [Oleg Losev] of an early form of tunnel diode. But there’s an earlier amplifier technology that used a solid state circuit which i... | 21 | 6 | [
{
"comment_id": "8069698",
"author": "Nathan",
"timestamp": "2024-12-06T06:20:11",
"content": "Is this really solid state? Like it relies on mechanical compression of particulate to work.Isn’t a vacuum tube just about as solid state?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,706.825117 | ||
https://hackaday.com/2024/12/05/unconventional-oil-production-all-you-need-to-know/ | Unconventional Oil Production, All You Need To Know | Jenny List | [
"Interest"
] | [
"Fracking",
"gas",
"hydraulic fracking",
"oil"
] | It’s fair to say that climate change is perhaps the greatest challenge facing our planet, and while much attention is directed towards solutions to the problems it presents, perhaps there’s less attention given to the the other side of the equation in the hydrocarbon industry. For example we all think we know something... | 48 | 13 | [
{
"comment_id": "8069675",
"author": "The Mighty Buzzard",
"timestamp": "2024-12-06T03:51:16",
"content": "A wee bit over the top with that troll. You need to refine your technique and start considering your audience.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,371,707.893817 | ||
https://hackaday.com/2024/12/05/gray-matter-on-a-chip-building-an-artificial-brain-with-luminol/ | Gray Matter On A Chip: Building An Artificial Brain With Luminol | Heidi Ulrich | [
"Robots Hacks"
] | [
"artificial brain",
"brain",
"gray matter",
"human brain",
"luminol",
"microfluidic",
"reaction",
"robotic hand"
] | Ever wondered if you could build a robot controlled by chemical reactions?
[Marb] explores this wild concept in his video
, merging chemistry and robotics in a way that feels straight out of sci-fi. From glowing luminol reactions to creating artificial logic gates, [Marb]—a self-proclaimed tinkerer—takes us step-by-ste... | 11 | 4 | [
{
"comment_id": "8069710",
"author": "Markus Bindhammer",
"timestamp": "2024-12-06T08:21:04",
"content": "The “New Scientist” link also leads to the luminol oscillator paper. The correct link is as follows:https://www.newscientist.com/article/mg23931950-100-why-creating-a-chemical-brain-will-be-how-... | 1,760,371,707.189288 | ||
https://hackaday.com/2024/12/07/flatmac-building-the-1980s-apple-ipad-concept/ | FlatMac: Building The 1980’s Apple IPad Concept | Maya Posch | [
"Mac Hacks"
] | [
"3D printed enclosure",
"apple",
"floppy drive",
"reproduction"
] | The Apple FlatMac was one of those 1980s concepts by designer [Hartmut Esslingers] that remained just a concept with no more than some physical prototypes created. That is, until [Kevin Noki] came across it in an Apple design book and contacted [Hartmut] to ask whether he would be okay with providing detailed measureme... | 17 | 9 | [
{
"comment_id": "8070057",
"author": "Andrew",
"timestamp": "2024-12-07T09:09:35",
"content": "“The only question that’s left is whether or not the FlatMac would have actually been a practical system if it had made it to production.”It’s fine unless you’re holding it wrong.",
"parent_id": null,
... | 1,760,371,707.142268 | ||
https://hackaday.com/2024/12/06/3d-printed-extensions-make-hole-measurement-easier/ | 3D Printed Caliper Extensions Make Hole Measurement Easier | Dan Maloney | [
"Tool Hacks"
] | [
"caliper",
"center-to-center",
"hole",
"layout",
"measurement"
] | If there’s anything more frustrating than mounting holes that don’t line up with the thing you’re mounting, we don’t know what it could be. You measure as carefully as possible, you drill the holes, and yet at least one hole ends up being
just
out of place. Sometimes you can fudge it, but other times you’ve got to star... | 21 | 9 | [
{
"comment_id": "8070029",
"author": "shinsukke",
"timestamp": "2024-12-07T06:09:49",
"content": "Very nice, a simple and effective hack",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8070045",
"author": "Alyx",
"timestamp": "2024-12-07T08:38:26",
... | 1,760,371,707.288382 | ||
https://hackaday.com/2024/12/06/antenna-measurement-in-theory-and-practice/ | Antenna Measurement In Theory And Practice | Al Williams | [
"Radio Hacks"
] | [
"4nec2",
"antenna",
"NEC",
"vna"
] | If you want to analyze an antenna, you can
use simulation software or you can build an antenna
and make measurements. [All Electroncs Channel] does both and show you how you can do it, too, in the video below.
The antenna in question is a loop antenna. He uses a professional VNA (Vector Network Analyzer) but you could ... | 9 | 3 | [
{
"comment_id": "8069991",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-07T03:31:56",
"content": "“In Theory, Theory and Practice are the same.In Practice, they are not!”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8070028",
... | 1,760,371,707.333926 | ||
https://hackaday.com/2024/12/06/retro-computer-goes-back-to-the-1950s/ | Retro Computer Goes Back To The 1950s | Bryan Cockfield | [
"Retrocomputing"
] | [
"8 bit",
"architecture",
"ibm 700",
"power",
"retrocomputing",
"tubes",
"vacuum tubes"
] | When thinking of retrocomputing, many of us will imagine machines such as the Commodore 64 or Apple II. These computers were very popular and have plenty of parts and documentation available. Fewer will go back to the Intel 8008 or even 4004 era which were the first integrated circuit chips commercially available. But ... | 24 | 7 | [
{
"comment_id": "8069809",
"author": "Bo-Erik Sandholm",
"timestamp": "2024-12-06T15:05:12",
"content": "I had a mentor in the beginnon of the seventies who had worked with a tube based swedish computer financed by Wennergren.For a short while it was the world’s fastest, but a few months later it wa... | 1,760,371,707.398161 | ||
https://hackaday.com/2024/12/06/vnas-and-crystals/ | VNAs And Crystals | Al Williams | [
"Parts",
"Tool Hacks"
] | [
"crystal",
"oscillator",
"vna"
] | Oscillators may use crystals as precise tuned circuits. If you have a vector network analyzer (VNA) — or even some basic test equipment — you can use it to learn the
parameters of a crystal
. [All Electronics Channel] has the details, and you can see how in the video below.
There was a time when a VNA was an exotic pie... | 7 | 3 | [
{
"comment_id": "8069939",
"author": "Mayday",
"timestamp": "2024-12-06T22:46:20",
"content": "This was a pretty cool watch from a new hardware engineer viewpoint with an electronics lab that looks like a starter version of his. I wish he had gone more in depth about how to perform the S21 measureme... | 1,760,371,707.796729 | ||
https://hackaday.com/2024/12/06/ampere-ws-1-the-other-apl-portable-computer/ | Ampere WS-1: The Other APL Portable Computer | Maya Posch | [
"Retrocomputing"
] | [
"Ampere WS-1",
"APL"
] | When thinking of home computers and their portable kin it’s easy to assume that all of them provided BASIC as their interpreter, but for a while APL also played a role. The most quaint APL portable system here might be the
Ampere WS-1, called the BIG.APL
. Released in Japan in November of 1985, it was a very modern Mot... | 10 | 5 | [
{
"comment_id": "8069875",
"author": "a_do_z",
"timestamp": "2024-12-06T19:18:54",
"content": "“APL (named after the book A Programming Language)[3] is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array.”https://en.m.wikipedia.org/... | 1,760,371,707.657222 | ||
https://hackaday.com/2024/12/06/hackaday-podcast-episode-299-beaming-consciousness-understanding-holograms-and-dogfooding-ipv6/ | Hackaday Podcast Episode 299: Beaming Consciousness, Understanding Holograms, And Dogfooding IPv6 | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | On this episode of the Hackaday Podcast, Editors Elliot Williams and Tom Nardi talk about the optical witchcraft behind holograms, the finer points of designing 3D printable threads, and the challenges of switching your local network over to IPv6. They’ll also cover how a clever software patch improves the graphics in ... | 0 | 0 | [] | 1,760,371,707.594562 | ||
https://hackaday.com/2024/12/05/how-corroded-can-a-motherboard-be/ | How Corroded Can A Motherboard Be? | Al Williams | [
"Repair Hacks",
"Retrocomputing"
] | [
"386",
"motherboard"
] | We will admit it. If we found a 386 motherboard as badly corroded as the one [Bits und Bolts] did, we would trash it—not
him, though
. In fact, we were surprised when he showed it and said he had already removed most of it in vinegar. You can check the board out in the video below.
There was still a lot of work to do o... | 9 | 8 | [
{
"comment_id": "8069638",
"author": "KDawg",
"timestamp": "2024-12-05T22:57:25",
"content": "eh just dip the whole thing into a solder pot, it will be fine",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8069661",
"author": "Joshua",
"timestamp": "2024... | 1,760,371,707.705901 | ||
https://hackaday.com/2024/12/05/keebin-with-kristina-the-one-with-the-folding-keyboard-mod/ | Keebin’ With Kristina: The One With The Folding Keyboard Mod | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"bluetooth",
"bluetooth keyboard",
"cyberdeck",
"dactyl manuform",
"DIY mouse",
"ergnomic cyberdeck",
"folding keyboard",
"PDA keyboard",
"split keyboard",
"touchscreen mouse"
] | Let’s face it, failed Kickstarters are no good. But they
can
spark good things, like real versions of technologies that might have actually been faked for the platform.
A touchscreen mouse, for instance, with shortcuts that can be programmed for various applications
.
Image by [Sam Baker] via
Hackaday.IO
This story is ... | 3 | 1 | [
{
"comment_id": "8069632",
"author": "macsimski",
"timestamp": "2024-12-05T22:21:19",
"content": "the biggest problem is that you cannot rest your fingers when idle. once the apple mouse even had adjustable click stiffness, but most of the mice i’ve used have way too weak a spring inside so my finge... | 1,760,371,707.75188 | ||
https://hackaday.com/2024/12/05/a-brief-history-of-teleportation/ | A Brief History Of Teleportation | Al Williams | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"science fiction",
"teleportation",
"transporters"
] | OK, I know. We don’t have practical teleportation. But that hasn’t stopped generations of science fiction authors and movie makers from building stories around it. If you ask most ordinary people, they’d tell you the idea originated with the Star Trek transporter, but that’s far from the truth. So when did people start... | 88 | 34 | [
{
"comment_id": "8069452",
"author": "Pat",
"timestamp": "2024-12-05T15:18:31",
"content": "“The transporter suffers from the same problem”It’s not the same problem, though. Humansalready havethe Ship of Theseus problem – it’s not like the atoms in your body are the same as when you were born or any... | 1,760,371,708.081235 | ||
https://hackaday.com/2024/12/05/cranking-up-the-detail-in-a-flight-simulator-from-1992/ | Cranking Up The Detail In A Flight Simulator From 1992 | Tom Nardi | [
"Games",
"Software Hacks"
] | [
"debugger",
"dosbox",
"flight simulator",
"hex editor",
"patch"
] | Nostalgia is a funny thing. If you experienced the early days of video games in the 1980s and 90s, there’s a good chance you remember those games looking a whole lot better than they actually did. But in reality, the difference between 2023’s
Tears of the Kingdom
and the original
Legend of Zelda
is so vast that it can ... | 22 | 6 | [
{
"comment_id": "8069406",
"author": "Antron Argaiv",
"timestamp": "2024-12-05T12:53:39",
"content": "I remember playing Flight Simulator on a PC XT. Also on a DG/One. The original, not sure if it was Sublogic or Microsoft, but I do remember the Sublogic name on it. DG used it as a compatibility tes... | 1,760,371,708.220223 | ||
https://hackaday.com/2024/12/05/exercise-wheel-tracker-confirms-suspicions-about-cats/ | Exercise Wheel Tracker Confirms Suspicions About Cats | Dan Maloney | [
"home hacks"
] | [
"cat",
"ESP32",
"exercise",
"feline",
"M5Stack",
"OpenSearch",
"zoomies"
] | What do cats get up to in the 30 minutes or so a day that they’re awake? Being jerks, at least in our experience. But like many hackers, [Brent] wanted to quantify the activity of his cat, and
this instrumented cat exercise wheel
was the result.
To pull this off, [Brent] used what he had on hand, which was an M5Stack E... | 23 | 9 | [
{
"comment_id": "8069381",
"author": "shinsukke",
"timestamp": "2024-12-05T10:30:00",
"content": "Cats are the true urban person pet. Look they even use treadmills to get their exercise.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8069426",
"autho... | 1,760,371,708.278167 | ||
https://hackaday.com/2024/12/04/gas-gauge-upgrade-keeps-vw-restoration-classy/ | Gas Gauge Upgrade Keeps VW Restoration Classy | Dan Maloney | [
"Transportation Hacks"
] | [
"attiny85",
"fuel gas",
"gauge",
"petrol",
"sender",
"servo",
"volkswagen",
"vw"
] | Getting every detail perfectly right is often the goal in automotive restorations, and some people will go to amazing lengths to make sure the car looks and acts just like it did when it rolled off the dealer’s lot all those decades ago. That ethos can be pushed a little too far, though, especially with practical matte... | 49 | 9 | [
{
"comment_id": "8069349",
"author": "Dude",
"timestamp": "2024-12-05T07:38:15",
"content": "The problem was usually not with the sender unit in the tank, but the gauge in the dash, which used a bimetallic strip heated by a small coil of wire to deflect a needle.” These things don’t normally break, ... | 1,760,371,708.365843 | ||
https://hackaday.com/2024/12/04/longchat-for-ham-radio/ | LongChat For Ham Radio | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"longchat"
] | There was a time when ham radio operators were known for having long conversations over the radio — rag chewing, as they called it. A new program,
LongChat
, is a new entry into the ham radio software world that could bring chatting back to ham radio. [Tech Minds] has a video covering it (and using it), which you can s... | 40 | 10 | [
{
"comment_id": "8069311",
"author": "David",
"timestamp": "2024-12-05T03:35:23",
"content": "When it comes to using a slow digital mode for more than a simple “hello”/”contact,” I would prefer something based on Morse code so a trained listener copy it without a computer. One possible way of doing... | 1,760,371,708.445227 | ||
https://hackaday.com/2024/12/04/rolling-your-own-ball-screws/ | Rolling Your Own Ball Screws | Dan Maloney | [
"Misc Hacks"
] | [
"ball screw",
"cnc",
"lead screw",
"machining",
"mechatronics",
"recirculating"
] | We’ve got mixed feelings about
a new video from [AndysMachines] that details how he makes custom ball screws
. On the one hand, there’s almost zero chance that we’ll ever have an opportunity to put this information to practical use. But on the other hand, the video gives a fantastic look at the inner workings and desig... | 24 | 7 | [
{
"comment_id": "8069275",
"author": "H Hack",
"timestamp": "2024-12-05T00:19:38",
"content": "I’m definitely going to follow this. Ball screws are crazy expensive. A bit cheaper if ordered straight from China, but have heard too many horror stories about people receiving them bent.",
"parent_id... | 1,760,371,708.640174 | ||
https://hackaday.com/2024/12/04/runway-to-space-no-more-reaction-engines-cease-trading/ | Runway-to-Space No More, Reaction Engines Cease Trading | Jenny List | [
"News"
] | [
"Reaction Engines",
"sabre",
"spaceplane"
] | It’s not often that the passing of a medium sized company on an industrial estate on a damp and soggy former airfield in southern England is worthy of a Hackaday mention, but
the news of hypersonic propulsion company Reaction Engines ceasing trading a few weeks ago
is one of those moments that causes a second look. The... | 49 | 12 | [
{
"comment_id": "8069240",
"author": "Foldi-One",
"timestamp": "2024-12-04T21:35:41",
"content": "In the current climate it seems bonkers to me they couldn’t manage to get military funding from some allied nation or defence company, as those engines are far enough along in development by all reports... | 1,760,371,708.577168 | ||
https://hackaday.com/2024/12/04/floss-weekly-episode-812-firefox-and-the-future/ | FLOSS Weekly Episode 812: Firefox And The Future | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"firefox",
"FLOSS Weekly"
] | This week,
Jonathan Bennett
and
David Ruggles
chat with
Sylvestre
and
Brian
about Firefox! What’s up in the browser world, what’s coming, and what’s the new feature for Firefox on mobile that has Jonathan so excited? Watch to find out!
https://www.mozilla.org/en-US/firefox/developer/
https://briangrinstead.com/blog/fir... | 7 | 2 | [
{
"comment_id": "8069217",
"author": "Lord Kimbote",
"timestamp": "2024-12-04T20:40:33",
"content": "Gosh I miss Netscape.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8069234",
"author": "Oliver",
"timestamp": "2024-12-04T21:18:38",
... | 1,760,371,708.493416 | ||
https://hackaday.com/2024/12/04/hack-on-self-headphone-friend/ | Hack On Self: Headphone Friend | Arya Voronova | [
"Hackaday Columns"
] | [
"audio",
"dac",
"hack",
"Pi",
"productivity"
] | In the last two articles, I talked about two systems relying on audio notifications. The first one is the
Alt-Tab annihilator
system – a system making use of my window monitoring code to angrily beep at me when I’m getting distracted. The other is
the crash prevention system
– a small script that helps me avoid an anno... | 3 | 1 | [
{
"comment_id": "8069363",
"author": "Jan",
"timestamp": "2024-12-05T08:23:50",
"content": "Somehow the usb-to-audio-jack adapter looks a little odd in so many ways…Can somebody explain to me (again) why this is progress and for whom exactly?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,708.685762 | ||
https://hackaday.com/2024/12/04/did-you-know-yosys-knows-vhdl-too/ | Did You Know YoSys Knows VHDL Too? | Elliot Williams | [
"FPGA"
] | [
"fpga",
"verilog",
"vhdl",
"yosys"
] | We’ve been fans of the Yosys / Nextpnr open-source FPGA toolchain for a long while now, and like [Michael] we had no idea that their
oss-cad-suite
installer
sets up everything so that you can write in Verilog or VHDL
, your choice. Very cool!
Verilog and VHDL are kind of like the C and ADA of the FPGA world. Verilog wi... | 8 | 5 | [
{
"comment_id": "8069161",
"author": "fiddlingjunky",
"timestamp": "2024-12-04T17:54:50",
"content": "Digikey’s introduction to FPGA is what I used to get started, though I’m sure Al’s boot camp is great, and the video nature of Digikey’s stuff did make referencing it difficult at times (and IIRC he... | 1,760,371,708.731254 | ||
https://hackaday.com/2024/12/04/the-london-underground-is-too-hot-but-its-not-an-easy-fix/ | The London Underground Is Too Hot, But It’s Not An Easy Fix | Lewin Day | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"air conditioning",
"heat",
"heating",
"London Underground",
"the tube",
"train",
"trains",
"transit",
"travel"
] | The London Underground is an iconic piece of Victorian era engineering. What started in 1863 quickly became a core piece of infrastructure that would define the modern character of the British capital. It’s grown and changed immensely in the many years that have passed. Sadly, increasing patronage and more trains have ... | 91 | 28 | [
{
"comment_id": "8069071",
"author": "CJay",
"timestamp": "2024-12-04T15:11:21",
"content": "Kinda thinking they’re missing a trick here and wondering if they could cool the tunnels by recycling the heat to re-sell to businesses, homes etc. that are local to the lines…",
"parent_id": null,
"... | 1,760,371,708.942292 | ||
https://hackaday.com/2024/12/04/sniffing-around-inside-a-thinkpad-battery/ | Sniffing Around Inside A ThinkPad Battery | Tom Nardi | [
"Battery Hacks",
"computer hacks"
] | [
"battery pack",
"i2c",
"SMBbus",
"sniffing"
] | For most people, a battery pack that’s misbehaving simply means it’s time to get a new battery. But when the battery in their ThinkPad wasn’t able to muster up more than 20 minutes of runtime,
[Shrinath Nimare] saw an opportunity to dig deeper and do a bit of investigating
.
The problem seemed to be that the battery pa... | 24 | 10 | [
{
"comment_id": "8069014",
"author": "Dodo",
"timestamp": "2024-12-04T12:12:52",
"content": "Isn’t the charger circuit in the laptop broken? This is very common for ThinkPads",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8069235",
"author": "Săndel"... | 1,760,371,709.009903 | ||
https://hackaday.com/2024/12/04/fluke-meter-fails-with-a-simple-problem/ | Fluke Meter Fails With A Simple Problem | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"fluke",
"multimeter"
] | [TheHWcave] found a Fluke 27 multimeter that looked like it had had quite a rough life. At first, the display flashed an overload indicator until he gave it a good smack—or, as he likes to call it, percussive maintenance. Even then, it would not give good readings, so it was
time to open it up
.
The display did work, s... | 20 | 7 | [
{
"comment_id": "8069041",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-04T14:03:24",
"content": "If it works, it’s a Fluke!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8069053",
"author": "Joseph Eoff",
"timestamp": "20... | 1,760,371,709.063829 | ||
https://hackaday.com/2024/12/03/fail-of-the-week-the-smd-crystal-radio-that-wasnt/ | Fail Of The Week: The SMD Crystal Radio That Wasn’t | Dan Maloney | [
"Fail of the Week"
] | [
"coil",
"crystal radio",
"detector",
"inductor",
"smd",
"surface mount"
] | The crystal radio is a time-honored build that sadly doesn’t get much traction anymore. Once a rite of passage for electronics hobbyists, the classic coil-on-an-oatmeal-carton and cat’s whisker design just isn’t that easy to pull off anymore, mainly because the BOM isn’t really something that you can just whistle up fr... | 18 | 9 | [
{
"comment_id": "8068936",
"author": "Joshua",
"timestamp": "2024-12-04T06:11:11",
"content": "Long wave lenght -> use big parts, coils with a big Q, wires not being too short, components not too close to each others.Short wave lenght -> miniaturization welcomed, use small parts, short wires, but ma... | 1,760,371,709.121202 | ||
https://hackaday.com/2024/12/03/a-month-without-ipv4-is-like-a-month-without/ | A Month Without IPV4 Is Like A Month Without… | Al Williams | [
"Network Hacks"
] | [
"IPv6",
"networking",
"tcp/ip"
] | Recently, there was a Mastodon post from [nixCraft] challenging people to drop their NAT routers for the month of November and use only IPv6. What would it be like to experience “No NAT November?” [Alex Haydock] decided to
find out
.
What did he learn? You’d imagine he’d either wholeheartedly embrace IPv6 or stagger ba... | 91 | 28 | [
{
"comment_id": "8068896",
"author": "Joshua",
"timestamp": "2024-12-04T03:43:23",
"content": "“IPv6 has been around since 1998, but it has been slow to catch on. However, OS support seems universal at this point.”DOS, including FreeDOS is still on TCP/IP v4.Links, Lynx/DOSLynx, Dillo, Arachne, Micr... | 1,760,371,709.338206 | ||
https://hackaday.com/2024/12/03/3d-printing-threaded-replacements/ | 3D Printing Threaded Replacements | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"threads"
] | Printing an object with threads is nothing new. If you know the specifications on the other thread or you are in control of it, no problem. But [Shop Therapy] wanted to print parts that mate with
an existing unknown thread
. Out come the calipers.
The first measurement is the height. He rounded that up in the video but... | 20 | 12 | [
{
"comment_id": "8068861",
"author": "QBFreak",
"timestamp": "2024-12-04T00:14:28",
"content": "I’m surprised the “related” article at the bottom wasn’thttps://hackaday.com/2020/07/12/learn-the-secrets-of-matching-bottle-cap-threads-to-one-another/But maybe that was too close to the current article?... | 1,760,371,709.443812 | ||
https://hackaday.com/2024/12/03/car-radio-chip-goes-into-diy-build/ | Car Radio Chip Goes Into DIY Build | Al Williams | [
"Radio Hacks"
] | [
"kit",
"sdr",
"shortwave radio"
] | [Sjef Verhoeven] still loves radio and enjoys the challenge of listening to radio signals from far away. He wanted to build his own radio and turned to the TEF6686 chip, a device often found in car radios. It is known to be very sensitive and seemed perfect for pulling in weak signals. So [Sjef] built this
DIY radio
an... | 15 | 5 | [
{
"comment_id": "8068830",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-03T22:15:33",
"content": "FYI, The chip is less than $9 at Digi-Keyhttps://www.digikey.com/en/products/filter/rf-receivers/870?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbRAFYA2ADhAF0BfAmAJilGUgBcAnAV3xFSFegzF... | 1,760,371,709.387615 | ||
https://hackaday.com/2024/12/03/chess-what-one-more-pi-powered-board/ | Chess What: One More Pi-Powered Board | Heidi Ulrich | [
"classic hacks",
"Games"
] | [
"chess",
"chess board",
"chess robot",
"ChessBoard",
"linear actuator",
"Pi",
"raspberry pi"
] | Chess is timeless, but automating it? That’s where the real magic begins. Enter
[Tamerlan Goglichidze]’s Pi Board
, an automated chess system that blends modern tech with age-old strategy. Inspired by
Harry Potter’s
moving chessboard and the commercial Square Off board, [Tamerlan] re-imagines the concept using a Raspbe... | 7 | 4 | [
{
"comment_id": "8068818",
"author": "Bobtato",
"timestamp": "2024-12-03T21:16:47",
"content": "I was hoping for the same thing I always hope for with these builds, namely a bank of capacitors to fire captured pieces clean through the upstairs apartment.But if you can forgive that disappointment, it... | 1,760,371,709.485358 | ||
https://hackaday.com/2024/12/03/holograms-the-art-of-recording-wavefronts/ | Holograms: The Art Of Recording Wavefronts | Maya Posch | [
"Laser Hacks",
"Science"
] | [
"hologram",
"Holography"
] | The difference between holography and photography can be summarized perhaps most succinctly as the difference between recording the effect photons have on a surface, versus recording the wavefront which is responsible for allowing photographs to be created in the first place. Since the whole idea of ‘visible light’ per... | 22 | 7 | [
{
"comment_id": "8068797",
"author": "Jouni",
"timestamp": "2024-12-03T20:30:01",
"content": "That video is just pure gold.Not to speak about the project itself which is mindblowing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8068804",
"author": ... | 1,760,371,709.551063 | ||
https://hackaday.com/2024/12/03/scratch-and-sniff-stickers-and-the-gas-panic-of-87/ | Scratch And Sniff Stickers And The Gas Panic Of ’87 | Lewin Day | [
"Featured",
"History",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"gas",
"gas leak",
"microencapsulation",
"scratch and sniff"
] | Ever wonder how those scratch and sniff stickers manage to pack a punch of aroma into what looks like ordinary paper? The technology behind it is deceptively clever, and has been used everywhere from children’s books to compact discs.
Most Scratch and Sniff stickers are simple nose-based novelties, though they’ve seen ... | 41 | 18 | [
{
"comment_id": "8068718",
"author": "Weasel",
"timestamp": "2024-12-03T15:42:30",
"content": "Man i remember these stickers, didnt knew this stuff was still around. Some of them purposefully smelled so bad it made you sick.Oh the many times we put one under the teachers desk seconds before he/she c... | 1,760,371,709.636385 | ||
https://hackaday.com/2024/12/03/oshw-battery-tester-aims-to-help-tame-lithium-cells/ | OSHW Battery Tester Aims To Help Tame Lithium Cells | Tom Nardi | [
"Battery Hacks",
"Tool Hacks"
] | [
"battery charger",
"battery tester",
"li-po",
"Lithium-ion battery"
] | It’s no exaggeration to say that the development of cheap rechargeable lithium-ion batteries has changed the world. Enabling everything from smartphones to electric cars, their ability to pack an incredible amount of energy into a lightweight package has been absolutely transformative over the last several decades. But... | 13 | 5 | [
{
"comment_id": "8068664",
"author": "Paul",
"timestamp": "2024-12-03T13:29:48",
"content": "All this (rightful) concern over internal resistance and its measurement, but we almost never see a proper 4-wire Kelvin connection to measure it.https://en.wikipedia.org/wiki/Four-terminal_sensingI know why... | 1,760,371,709.723782 |
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