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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2024/09/16/well-take-diy-diamond-making-for-200000/ | We’ll Take DIY Diamond Making For $200,000 | Kristina Panos | [
"chemistry hacks",
"News"
] | [
"chemical vapor deposition",
"CVD",
"diamonds",
"high-pressure high-temperature",
"HPHT",
"lab-grown diamond"
] | They say you can buy anything on the Internet if you know the right places to go, and apparently if you’re in the mood to make diamonds, then
Alibaba is the spot
. You even have your choice of high-pressure, high-temperature (
HPHT
) machine for $200,000, or a chemical vapor deposition (
CVD
) version, which costs more... | 12 | 3 | [
{
"comment_id": "8040743",
"author": "asdf",
"timestamp": "2024-09-17T06:09:31",
"content": "“You could do that but why, why would you do that.” – Benjamin Franklin",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8040851",
"author": "purplepeopleated"... | 1,760,371,789.586626 | ||
https://hackaday.com/2024/09/16/the-universe-as-we-know-it-may-end-sooner-than-expected/ | The Universe As We Know It May End Sooner Than Expected | Maya Posch | [
"Science"
] | [
"higgs field"
] | The ‘Sombrero Potential’ as seen with the Higgs mechanism.
One of the exciting aspects of some fields of physics is that they involve calculating the expected time until the Universe ends or experiences fundamental shifts that would render most if not all of the ‘laws of physics’ invalid. Within the Standard Model (SM)... | 44 | 10 | [
{
"comment_id": "8040725",
"author": "Quad",
"timestamp": "2024-09-17T02:11:05",
"content": "https://arxiv.org/html/2409.06737v1Another recent paper says earth may no longer be habitable in less than 1000 years",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,789.94159 | ||
https://hackaday.com/2024/09/16/raspberry-pi-becomes-secure-vpn-router/ | Raspberry Pi Becomes Secure VPN Router | Bryan Cockfield | [
"Network Hacks"
] | [
"openwrt",
"raspberry pi",
"router",
"security",
"smartphone",
"vpn",
"Wireguard"
] | OpenWRT is a powerful piece of open-source software that can turn plenty of computers into highly configurable and capable routers. That amount of versatility comes at a cost, though; OpenWRT can be difficult to configure outside of the most generic use cases. [Paul] generally agrees with this sentiment and his latest ... | 20 | 8 | [
{
"comment_id": "8040735",
"author": "Drone",
"timestamp": "2024-09-17T04:29:35",
"content": "This thing smells fishy. To get half way decent dual-band WiFi bandwidth that is actually supported it seems you have to buy a AC1300 Mbps dual-band WiFi USB 3.0 device named PiFi – The ULTIMATE Pi Router K... | 1,760,371,789.998181 | ||
https://hackaday.com/2024/09/16/no-z80-no-problem/ | No Z80? No Problem! | Jenny List | [
"Retrocomputing"
] | [
"eZ80",
"RC2014",
"z80",
"zilog"
] | Earlier this year Zilog stopped production of the classic 40-pin DIP Z80 microprocessor, a move that brought a tear to the eye of retro computing enthusiasts everywhere. This chip had a huge influence on both desktop and embedded computing that lingers to this day, but it’s fair to say that the market for it has dwindl... | 17 | 6 | [
{
"comment_id": "8040665",
"author": "Joshua",
"timestamp": "2024-09-16T20:12:02",
"content": "“Earlier this year Zilog stopped production of the classic 40-pin DIP Z80 microprocessor, a move that brought a tear to the eye of retro computing enthusiasts everywhere. ”Yes, but what’s easily being forg... | 1,760,371,789.439309 | ||
https://hackaday.com/2024/09/16/the-jawncon-0x1-badge-dials-up-a-simpler-time/ | The JawnCon 0x1 Badge Dials Up A Simpler Time | Tom Nardi | [
"cons",
"Wearable Hacks"
] | [
"badge",
"badgelife",
"hayes command set",
"JawnCon",
"modem"
] | For hackers of a certain age, the warbling of an analog modem remains something of a siren song. Even if you haven’t heard it in decades, the shrill tones and crunchy static are like a time machine that brings back memories of a bygone era. Alien to modern ears, in the 1980s and 90s, it was the harbinger of unlimited p... | 10 | 5 | [
{
"comment_id": "8040651",
"author": "Jan",
"timestamp": "2024-09-16T19:09:35",
"content": "“While the design is admittedly pushing the definition of what can realistically be called a “badge,” there’s a lanyard attached so it’s technically wearable.”Ehmmm… hasn’t the whole “badge” thing gotten out ... | 1,760,371,789.636537 | ||
https://hackaday.com/2024/09/19/embossing-graphics-by-3d-printing-on-woodquick-hacks-embossing-graphics-by-3d-printing-on-wood/ | Embossing Graphics By 3D Printing On Wood | Dave Rowntree | [
"3d Printer hacks"
] | [
"3d printing",
"embossing",
"tactile",
"wood"
] | Embossing (making raised shapes) and debossing (making sunken shapes) on 3D-printed surfaces is not a new idea; we do it all the time. [Cory] from Vancouver Hack Space was playing around with 3D printing on wood, and came up with the idea of creating raised
tactile surfaces using a simple transfer process
.
We don’t of... | 9 | 5 | [
{
"comment_id": "8041555",
"author": "Felix Domestica",
"timestamp": "2024-09-19T16:02:01",
"content": "Uhm. Speaking as a letterpress operator, the traditional way to emboss paper was to apply pressure…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8041561... | 1,760,371,789.486278 | ||
https://hackaday.com/2024/09/19/switching-regulator-mistake-fixing-for-dummies/ | Switching Regulators: Mistake Fixing For Dummies | Arya Voronova | [
"Featured",
"how-to",
"Skills",
"Slider"
] | [
"howto",
"mod board",
"switching regulator"
] | Some time ago, while
designing the PCB
for the
Sony Vaio replacement motherboard,
I went on a quest to find a perfect 5 V boost regulator. Requirements are simple – output 5 V at about 2A , with input ranging from 3 V to 5 V, and when the input is 5 V, go into “100% duty” (“pass-through”/”bypass”) mode where the output... | 31 | 8 | [
{
"comment_id": "8041530",
"author": "jenningsthecat",
"timestamp": "2024-09-19T14:23:01",
"content": "I’ve done a little bit of design with switching regulators, but I had the luxuries of slightly slower speeds and enough room to follow the (readily available) manufacturer’s recommended layout fair... | 1,760,371,789.761662 | ||
https://hackaday.com/2024/09/19/mothbox-watches-bugs-so-you-or-your-grad-students-dont-have-to/ | Mothbox Watches Bugs, So You — Or Your Grad Students — Don’t Have To | Dan Maloney | [
"green hacks",
"Machine Learning"
] | [
"arducam",
"computer vision",
"ecology",
"entomology",
"insects",
"machine learning",
"moths",
"wildlife"
] | To the extent that one has strong feelings about insects, they tend toward the extremes of a spectrum that runs from a complete fascination with their diversity and the specializations they’ve evolved to exploit unique and ultra-narrow ecological niches, and “Eww, ick! Kill it!” It’s pretty clear that [Dr. Andy Quitmey... | 8 | 3 | [
{
"comment_id": "8041518",
"author": "Panondorf",
"timestamp": "2024-09-19T13:02:42",
"content": "What does it mean to be at the base of the food chain?As a human we see ourselves as being at the top right? Except for maybe some poisonous species what don’t we eat? And even those we have ways to get... | 1,760,371,789.532381 | ||
https://hackaday.com/2024/09/19/a-guide-to-laser-cutting-metal-if-youve-got-the-cash/ | A Guide To Laser Cutting Metal, If You’ve Got The Cash | Al Williams | [
"Laser Hacks",
"Tool Hacks"
] | [
"Laser cutting"
] | While many of us now have laser cutters — either a K40-style machine or one of the newer high-output diodes — you probably don’t have one that cuts metal. True, some hobby lasers now offer IR laser heads with modest power to engrave metal. The xTool S1, for example, accepts a 2 W IR laser as an option, but we doubt it ... | 9 | 5 | [
{
"comment_id": "8041461",
"author": "SpillsDirt",
"timestamp": "2024-09-19T09:28:57",
"content": "Im going more manual myself. Santa’s bringing me a 2000W 3 in 1 raycus cutter/cleaner/welding system. You can find those around $6k now.With my luck, the week after I get it, some AliE company will sta... | 1,760,371,789.683139 | ||
https://hackaday.com/2024/09/18/trees-turned-into-wind-turbines-non-destructively/ | Trees Turned Into Wind Turbines, Non-Destructively | Bryan Cockfield | [
"green hacks"
] | [
"energy",
"generator",
"linear generator",
"permanent magnet",
"tree",
"tree branch",
"wind",
"Wind turbine"
] | Trees and forests are an incredibly important natural resource — not only for lumber and agricultural products, but also because they maintain a huge amount of biodiversity, stabilize their local environments, and help combat climate change as a way to sequester atmospheric carbon. But the one thing they don’t do is ma... | 58 | 30 | [
{
"comment_id": "8041416",
"author": "Lily",
"timestamp": "2024-09-19T05:21:36",
"content": "I really like the idea behind the generator; efficient or not, that’s pretty neat.I really like the idea behind the generator; efficient or not, that’s pretty neat.",
"parent_id": null,
"depth": 1,
... | 1,760,371,789.853426 | ||
https://hackaday.com/2024/09/18/creating-a-twisted-grid-image-illusion-with-a-diffusion-model/ | Creating A Twisted Grid Image Illusion With A Diffusion Model | Maya Posch | [
"Art",
"Artificial Intelligence"
] | [
"diffusion model",
"optical illusion"
] | Images that can be interpreted in a variety of ways have existed for many decades, with the classical example being Rubin’s vase — which some viewers see as a vase, and others a pair of human faces.
When the duck becomes a bunny, if you ignore the graphical glitches that used to be part of the duck. (Credit: Steve Moul... | 4 | 2 | [
{
"comment_id": "8041408",
"author": "Zai1208",
"timestamp": "2024-09-19T04:13:34",
"content": "Is this (i.e. using the downside of something to make a new thing) not how many scientific discoveries were made? (i.e. the pacemaker which was accidentally inverted?)",
"parent_id": null,
"depth"... | 1,760,371,790.106339 | ||
https://hackaday.com/2024/09/18/blowing-up-shell-scripts/ | Blowing Up Shell Scripts | Bryan Cockfield | [
"Software Hacks"
] | [
"bash",
"code",
"explode",
"Go",
"one-liner",
"script",
"shell",
"sol",
"text",
"text editor"
] | One of the most universal experiences of any Linux or Unix user is working through a guide or handbook and coming across an almost unbelievably complex line of code meant to be executed with a shell. At the time of encountering a snippet like this it’s difficult to imagine any human ever having written it in the first ... | 24 | 10 | [
{
"comment_id": "8041393",
"author": "aki009",
"timestamp": "2024-09-19T01:17:57",
"content": "None of those terms define it as well. And where were you about terminology when hundreds of drones were being sent south of the border hitting everything randomly?",
"parent_id": null,
"depth": 1,... | 1,760,371,790.061609 | ||
https://hackaday.com/2024/09/18/upgraded-raster-laser-projector-goes-rgb/ | Upgraded Raster Laser Projector Goes RGB | Dave Rowntree | [
"Laser Hacks"
] | [
"laser",
"laser galvo",
"laser printer",
"mirror",
"projector",
"rgb",
"Teensy 4"
] | We’ve covered a scanning laser project by
Ben Make’s Everything
last year, and now he’s back with a significant update. [Ben]’s
latest project now offers a higher resolution and RGB lasers
. A couple of previous versions of the device used the same concept of a rotating segmented mirror synchronised to a pulsed laser d... | 10 | 3 | [
{
"comment_id": "8041379",
"author": "Paul",
"timestamp": "2024-09-19T00:19:12",
"content": "Analog still wins in this game.The jitter comes from the clock edges randomly aligning with the time the photointerrupter is triggered: you get an uncertainty of a whole clock period.The trick is you sync ev... | 1,760,371,791.12057 | ||
https://hackaday.com/2024/09/18/floss-weekly-episode-801-jbang-not-your-parents-java-anymore/ | FLOSS Weekly Episode 801: JBang — Not Your Parents Java Anymore | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"java",
"JBang"
] | This week
Jonathan Bennett
and Jeff Massie chat with Max Rydahl Andersen about JBang, the cross-platform tool to run Java as a system scripting language. That’s a bit harder than it sounds, particularly to take advantage of Java’s rich debugging capabilities and the ecosystem of libraries that are available. Tune in to... | 12 | 5 | [
{
"comment_id": "8041346",
"author": "M",
"timestamp": "2024-09-18T21:23:34",
"content": "Sounds like a great way to get sued by Oracle. And I say that as a ZFS user.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8041510",
"author": "Max andersen",
... | 1,760,371,790.794914 | ||
https://hackaday.com/2024/09/18/meet-the-winners-of-the-2024-tiny-games-contest/ | Meet The Winners Of The 2024 Tiny Games Contest | Tom Nardi | [
"contests",
"Hackaday Columns",
"Slider"
] | [
"2024 Tiny Games Challenge"
] | Over the years, we’ve figured out some pretty sure-fire ways to get hackers and makers motivated for contests. One of the best ways is to put arbitrary limits on different aspects of the project, such as how large it can be or how much power it can consume. Don’t believe us? Then just take a look at the entries of this... | 12 | 4 | [
{
"comment_id": "8041260",
"author": "0xdeadbeef",
"timestamp": "2024-09-18T17:34:02",
"content": "One of the best ways is to put arbitrary limits on different aspects of the project, such as how large it can be or how many power it can consume.‘How many power’? 😛",
"parent_id": null,
"dept... | 1,760,371,790.603071 | ||
https://hackaday.com/2024/09/18/airline-seats-are-for-dummies/ | Airline Seats Are For Dummies | Al Williams | [
"Transportation Hacks"
] | [
"airplane seat"
] | You normally don’t think a lot would go into the construction of a chair. However, when that chair is attached to a commercial jet plane, there’s a lot of technology that goes into making sure they are safe. According to a recent BBC article, testing involves
crash dummies and robot arms
.
Admittedly, these are first-c... | 10 | 5 | [
{
"comment_id": "8041268",
"author": "Alphatek",
"timestamp": "2024-09-18T18:18:45",
"content": "“we can’t imagine anyone wanting to spend all day returning their tray table to the upright and locked position repeatedly”Try the kid sat behind me on my last flight.",
"parent_id": null,
"depth... | 1,760,371,790.8408 | ||
https://hackaday.com/2024/09/18/catching-the-boat-gamma-ray-bursts-and-the-brightest-of-all-time/ | Catching The BOAT: Gamma-Ray Bursts And The Brightest Of All Time | Dan Maloney | [
"Current Events",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"astronomy",
"gamma ray",
"GRB",
"hypernova",
"ionization",
"neutron star",
"satellite",
"scintillator",
"Supernova"
] | Down here at the bottom of our ocean of air, it’s easy to get complacent about the hazards our universe presents. We feel safe from the dangers of the vacuum of space, where radiation sizzles and rocks whizz around. In the same way that a catfish doesn’t much care what’s going on above the surface of his pond, so too a... | 12 | 5 | [
{
"comment_id": "8041214",
"author": "Tom",
"timestamp": "2024-09-18T14:40:40",
"content": "The energy released here is mind-boggling.Energy and mass are the same thing, right? E=m * c^2. If the energy was 10^50 Joules, then we can easily calculate the mass equivalent of that energy – 10^50 / (9 *... | 1,760,371,790.658176 | ||
https://hackaday.com/2024/09/18/bringing-the-horror-of-seaman-into-the-real-world/ | Bringing The Horror OfSeamanInto The Real World | Tom Nardi | [
"Games",
"Robots Hacks"
] | [
"animatronic",
"dreamcast",
"Seaman",
"vmu"
] | A little under 25 years ago, a particularly bizarre game was released for Sega’s Dreamcast. In actually, calling it a “game” might be something of a stretch. It was more of a pet simulator, where you need to feed and care for a virtual animal as it grows. Except rather than something like a dog or a rabbit, your pet is... | 13 | 5 | [
{
"comment_id": "8041182",
"author": "TheDarkTiger",
"timestamp": "2024-09-18T12:57:54",
"content": "Awesome!I mean, talk about feature creep, but still, an awesome work on this project!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8041261",
"autho... | 1,760,371,791.012679 | ||
https://hackaday.com/2024/09/18/from-high-level-language-to-assembly/ | From High Level Language To Assembly | Al Williams | [
"Linux Hacks",
"Software Development"
] | [
"assembly",
"linux",
"x86-64"
] | If you cut your teeth on Z-80 assembly and have dabbled in other assembly languages, you might not find much mystery in creating programs using the next best thing to machine code. However, if you have only used high level languages, assembly can be somewhat daunting. [Shikaan] has an introductory article aimed to get ... | 24 | 9 | [
{
"comment_id": "8041125",
"author": "Cricri",
"timestamp": "2024-09-18T08:29:24",
"content": "I don’t know about others, but I found compilers to be pretty darn optimised now.Bear in mind that I’m not a coder by trade, so no expert by any means, but last time I wrote some inline asm was in Turbo De... | 1,760,371,790.904481 | ||
https://hackaday.com/2024/09/16/keebin-with-kristina-the-one-with-the-mccool-typewriter/ | Keebin’ With Kristina: The One With The (Mc)Cool Typewriter | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"blue M&Ms",
"foot keyboard",
"machine learning",
"McCool typewriter",
"ortholinear",
"ortholinear keyboard",
"QMK",
"ring HID"
] | Image by [ambrush] via
Hackaday.IO
Okay, so this isn’t a traditional keyboard, but you can probably figure out why the
RuneRing
is here. Because it’s awesome! Now, let me give you the finer points.
Hugely inspired by both
ErgO
and Somatic, RuneRing is a machine learning-equipped wearable mouse-keyboard that has a confi... | 2 | 2 | [
{
"comment_id": "8040625",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-16T17:11:46",
"content": "“I’m a sucker for candy colors, especially on keyboards. And candy.”Well, those of you who will be attending SuperCon now know a way to break the ice with Kristina!B^)",
"p... | 1,760,371,790.542013 | ||
https://hackaday.com/2024/09/16/real-time-hacking-of-a-supermarket-toy/ | Real Time Hacking Of A Supermarket Toy | Jenny List | [
"Toy Hacks"
] | [
"AH soundbox",
"hardware",
"supermarket"
] | Sometimes those moments arise when a new device comes on the market and hardware hackers immediately take to it. Over a few days, an observer can watch them reverse engineer it and have all sorts of fun making it do things it wasn’t intended to by the original manufacturer. We’re watching this happen in real time from ... | 14 | 4 | [
{
"comment_id": "8040624",
"author": "xChris",
"timestamp": "2024-09-16T16:46:14",
"content": "(mixed Dutch/English, the site rejects Google Translate).you can translate it under firefox: select some text , right-mouse-btn [Translate selection in English], then on the translation box translate full... | 1,760,371,790.956972 | ||
https://hackaday.com/2024/09/16/hack-on-self-collecting-data/ | Hack On Self: Collecting Data | Arya Voronova | [
"Featured",
"Interest",
"Misc Hacks",
"Original Art",
"Slider"
] | [
"ADHD",
"attention tracking",
"data collection",
"sense of time"
] | A month ago, I’ve talked about using computers to hack on our day-to-day existence, specifically,
augmenting my sense of time
(or rather, lack thereof). Collecting data has been super helpful – and it’s best to automate it as much as possible. Furthermore, an augment can’t be annoying beyond the level you expect, and m... | 13 | 8 | [
{
"comment_id": "8040575",
"author": "zoenagy3466",
"timestamp": "2024-09-16T14:11:09",
"content": "Start measuring life and it becomes an chore.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8040623",
"author": "LowCarbLowSugarAllNutrients",
... | 1,760,371,791.067148 | ||
https://hackaday.com/2024/09/16/hack-your-eyesight-with-high-tech-bifocals/ | Hack Your Eyesight With High Tech Bifocals | Al Williams | [
"Medical Hacks",
"Misc Hacks"
] | [
"bifocals",
"eyeglasses",
"progressive lenses"
] | As we get older, our eyes get worse. That’s just a fact of life. It is a rite of passage the first time you leave the eye doctor with a script for “progressive” lenses which are just fancy bifocals. However, a
new high-tech version of bifocals promises you better vision
, but with a slight drawback, as [Sherri L. Smith... | 32 | 14 | [
{
"comment_id": "8040519",
"author": "ca_heckler",
"timestamp": "2024-09-16T12:45:52",
"content": "There’s an even bigger (or smaller?) drawback: it appears that the active lens is just that tiny thing right in front of the the field of view, which means that you will have lots of trouble with later... | 1,760,371,791.222347 | ||
https://hackaday.com/2024/09/16/usagi-electrics-paper-tape-reader-is-ready-to-hop-with-the-tube-computer/ | Usagi Electric’s Paper Tape Reader Is Ready To Hop With The Tube Computer | Maya Posch | [
"Retrocomputing"
] | [
"paper tape",
"punched tape",
"reader",
"retrocomputing"
] | After previously working out a suitable approach to create a period-correct paper tape reader for his tube-based, MC14500B processor-inspired computer, [David Lovett] over at the
Usagi Electric
farm is back with a
video on how he made a working tape reader
.
The assembled paper tape reader as seen from the front with t... | 25 | 9 | [
{
"comment_id": "8040393",
"author": "Karl",
"timestamp": "2024-09-16T09:05:55",
"content": "I’m not sure why not opt for SMD photodiodes and SMD IR LEDs, but from a purist standpoint a CNC milled block and retro photodiodes makes more sense. It was a nice article and interesting video!It just took ... | 1,760,371,791.443191 | ||
https://hackaday.com/2024/09/15/microwave-forge-casts-the-sinking-est-benchy-ever/ | Microwave Forge Casts The Sinking-est Benchy Ever | Dan Maloney | [
"3d Printer hacks"
] | [
"cast iron",
"casting",
"ceramic",
"forging",
"Kapton",
"kiln",
"metal",
"microwave",
"silicon carbide",
"sodium silicate"
] | As a test artifact, 3DBenchy does a pretty good job of making sure your 3D printer is up to scratch. As an exemplar of naval architecture, though — well, let’s just say that if it weren’t for the trapped air in the infilled areas, most Benchy prints wouldn’t float at all. About the only way to make Benchy less seaworth... | 7 | 3 | [
{
"comment_id": "8040580",
"author": "Reg",
"timestamp": "2024-09-16T14:19:02",
"content": "A “forge” heats metal for forging, the process of deforming metal which has been heated until plastic.Melting and casting metal is done in a “foundry”.Both involve hot metal, but that’s all they have in commo... | 1,760,371,791.314872 | ||
https://hackaday.com/2024/09/15/exploring-tapto-nfc-inegration-on-the-mister/ | Exploring TapTo NFC Integration On The MiSTer | Dave Rowntree | [
"Games",
"Retrocomputing"
] | [
"Amiibo",
"c64",
"fpga",
"MiSTER",
"NFC",
"TapTo",
"TeensyROM"
] | [Ken] from the YouTube channel
What’s Ken
Making
is
back with
another MiSTer video
detailing the
TapTo project
and its integration into MiSTer.
MiSTer,
as some may recall, is a set of FPGA images and a supporting ecosystem for the
Terasic DE10-Nano FPGA board
, which hosts the very capable Altera Cyclone V FPGA.
The Te... | 14 | 7 | [
{
"comment_id": "8040199",
"author": "UT",
"timestamp": "2024-09-16T02:37:45",
"content": "“This allows an NFC card to be programmed with the required FPGA core and game image.” How on earth is there enough storage on a NFC card to store a FPGA bitstream and a game iso? And wouldn’t it take foreve... | 1,760,371,791.375104 | ||
https://hackaday.com/2024/09/15/hackaday-links-september-15-2024/ | Hackaday Links: September 15, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"5g",
"avian",
"CTIA",
"data",
"electrocution",
"fashion",
"flying robot",
"gpu",
"hackaday links",
"humanoid",
"mitigation",
"purse",
"wearable",
"wildfires",
"wildlife",
"wireless"
] | A quick look around at any coffee shop, city sidewalk, or sadly, even at a traffic light will tell you that people are on their phones a lot. But exactly how much is that? For Americans in 2023, it was
a mind-boggling 100 trillion megabytes
, according to the wireless industry lobbying association CTIA. The group doesn... | 10 | 5 | [
{
"comment_id": "8040172",
"author": "Hirudinea",
"timestamp": "2024-09-15T23:50:02",
"content": "OK, what is the Italian Institute of Technology doing to Astro Boy!?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8040189",
"author": "TG",
"t... | 1,760,371,791.95389 | ||
https://hackaday.com/2024/09/15/archiving-data-on-paper-using-2d-images/ | Archiving Data On Paper Using 2D Images | Dave Rowntree | [
"Software Hacks"
] | [
"archiving",
"data coding",
"error correction",
"FEC",
"golay code",
"hamming distance",
"laser printer",
"qr code",
"scanner"
] | It seems like only yesterday we covered a project using QR codes to archive data on paper (OK, it was last Thursday),
so here’s another way to do it
, this time with a dedicated codec using the full page. Optar or OPTical ARchiver is a project capable of squeezing a whopping 200 Kb of data onto a single A4 sheet of pap... | 44 | 18 | [
{
"comment_id": "8040143",
"author": "Paul",
"timestamp": "2024-09-15T20:44:52",
"content": "Hmm. Given that it takes 8 Mb to render a page at 300 dpi, 200 kb seems awfully poor efficiency.TFA says they combine the 600 dpi print resolution 3×3 to make 200 dpi, so 3.5 Mb of ‘real’ data.Ahh, TFA then... | 1,760,371,791.806373 | ||
https://hackaday.com/2024/09/15/an-80386-upgrade-deal-and-intel-486-competitor-the-cyrix-cx486dlc/ | An 80386 Upgrade Deal And Intel 486 Competitor: The Cyrix Cx486DLC | Maya Posch | [
"Retrocomputing"
] | [
"Cyrix",
"Intel 486"
] | The x86 CPU landscape of the 1980s and 1990s was competitive in a way that probably seems rather alien to anyone used to the duopoly that exists today between AMD and Intel. At one point in time, Cyrix was a major player, who mostly sought to provide a good deal that would undercut Intel. One such attempt was the Cx486... | 12 | 5 | [
{
"comment_id": "8040092",
"author": "Nick",
"timestamp": "2024-09-15T17:26:19",
"content": "AMD didn’t purchase Cyrix. VIA Technologies picked up Cyrix, and Centaur with their WinChips within in the same year.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,791.90481 | ||
https://hackaday.com/2024/09/15/g4-mac-mini-is-a-wolf-in-apple-iic-clothing/ | G4 Mac Mini Is A Wolf In Apple IIc Clothing | Navarre Bartz | [
"Mac Hacks"
] | [
"Apple IIc",
"CRT display",
"g4",
"mac mini",
"restomod"
] | Restomods let us relive some of the glory days of industrial design with internals that would blow the socks off the original device. [Mental Hygiene] decided to update an
Apple
II
c with a G4 brain
.
Starting with a broken
II
c, they pulled the internals, including the venerable 6502, and transplanted the parts from a... | 4 | 3 | [
{
"comment_id": "8040097",
"author": "cuvtixo",
"timestamp": "2024-09-15T17:33:04",
"content": "um, it’s a 65C02, perhaps that’s a bit pedantic, but it was fairly important for Western Design Center (WDC), which is sill around, offering a variety of updated chips based on 6502, and cores for FPGA.",... | 1,760,371,791.853222 | ||
https://hackaday.com/2024/09/15/an-espresso-machine-for-the-diy-crowd/ | An Espresso Machine For The DIY Crowd | Donald Papp | [
"cooking hacks"
] | [
"coffee",
"diy",
"espresso"
] | Want to build your own espresso machine, complete with open-source software to drive it? The
diyPresso
might be right up your alley.
diyPresso parts, laid out and ready for assembly.
It might not be the cheapest road to obtaining an espresso machine, but it’s probably the most economical way to turn high-quality compon... | 29 | 10 | [
{
"comment_id": "8040054",
"author": "Neverm|nd",
"timestamp": "2024-09-15T12:19:45",
"content": "Yeah, except it costs a small fortune….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8040055",
"author": "Neverm|nd",
"timestamp": "2024-09-15T12:20:23"... | 1,760,371,791.723101 | ||
https://hackaday.com/2024/09/15/non-planar-ironing-makes-smooth-prints/ | Non-planar Ironing Makes Smooth Prints | Al Williams | [
"3d Printer hacks"
] | [
"non-planar 3D printing",
"print smoothing"
] | If you want to smooth out the top surface of your FDM 3D prints, you can try ironing. Many slicers allow you to set this option, which drags the hot printhead through the top surface with a tiny bit of plastic to smooth out the extrusion lines. However, a recent paper explains how
non-planar ironing can provide a bette... | 14 | 6 | [
{
"comment_id": "8040031",
"author": "fho",
"timestamp": "2024-09-15T09:04:27",
"content": "Wonder if you could finish your part, change the nozzle for a “hot ball end” and run that over the surface again.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "80400... | 1,760,371,792.090277 | ||
https://hackaday.com/2024/09/15/watch-nasas-solar-sail-reflect-brightly-in-the-night-sky/ | Watch NASA’s Solar Sail Reflect Brightly In The Night Sky | Donald Papp | [
"News",
"Science",
"Space"
] | [
"ACS3",
"nasa",
"solar sail"
] | NASA’s ACS3 (Advanced Composite Solar Sail System) is currently fully deployed in low Earth orbit, and
stargazers can spot it if they know what to look for
. It’s actually one of the brightest things in the night sky. When the conditions are right, anyway.
ACS3’s sail is as thin as it is big.
What conditions are those?... | 14 | 8 | [
{
"comment_id": "8040032",
"author": "Stephen",
"timestamp": "2024-09-15T09:06:02",
"content": "“to send a probe to Alpha Centauri in the next twenty years.”And how long will it take to get there? Centuries? Is there any hope that it will still be functioning after all that time?",
"parent_id": ... | 1,760,371,792.147068 | ||
https://hackaday.com/2024/09/14/a-1930s-ham-station/ | A 1930s Ham Station | Al Williams | [
"Wireless Hacks"
] | [
"1930's vintage",
"ham radio",
"vintage"
] | [Mikrowave1] wanted to build an authentic 1930s-style ham radio station that was portable. He’s already done a regenerative receiver, but now he’s starting on
a tube transmitter
that runs on batteries. He’s settled on a popular design for the time, a Jones push-pull transmitter. Despite the tubes, it will only put out ... | 11 | 8 | [
{
"comment_id": "8039882",
"author": "wb7ond",
"timestamp": "2024-09-14T11:06:39",
"content": "There was a memorial “museum” of sorts called “Scotts Hut” that was the original structure. It is full of artifacts from the expedition. Not sure if there was a radio or not. But lots of food contain... | 1,760,371,792.194637 | ||
https://hackaday.com/2024/09/13/player-ukulele-pulls-your-strings/ | Player Ukulele Pulls Your Strings | Al Williams | [
"Musical Hacks"
] | [
"solenoid",
"ukulele"
] | Automated musical instruments aren’t a new idea. From water chimes to player pianos, they’ve been around for a while. But we can’t remember the last time we saw a player ukulele. [Zeroshot]
shows us one
, though, and it uses an Arduino. You can see and hear it in the video below.
Honestly, with all the stepper motors, ... | 6 | 6 | [
{
"comment_id": "8039868",
"author": "tadpole",
"timestamp": "2024-09-14T08:12:39",
"content": "All I can say is that now that you have released this video, you best be prepared for the response when the music industry floods you with contract offers. This is nothing less than revolutionary. Well do... | 1,760,371,792.238601 | ||
https://hackaday.com/2024/09/13/supercon-2024-last-call-for-display-tech-exhibit/ | Supercon 2024: Last Call For Display Tech Exhibit | Tom Nardi | [
"cons",
"Parts"
] | [
"2024 Hackaday Supercon",
"DesignLab",
"displays",
"exhibit"
] | During this year’s Hackaday Supercon, the Supplyframe DesignLab will be playing host to a unique exhibit that catalogs the evolution of display technology. That means showcasing the best and most interesting examples they can find, from the vintage to the ultra-modern. Where are all these wonderful toys coming from, yo... | 2 | 1 | [
{
"comment_id": "8039895",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-14T13:06:42",
"content": "Who knows, I might have a unique display among my stuff, but I have walked past it so many times that it appears normal.I’d really like to get my LED sign board working though…... | 1,760,371,792.282544 | ||
https://hackaday.com/2024/09/13/pulling-apart-an-old-satellite-truck-tracker/ | Pulling Apart An Old Satellite Truck Tracker | Lewin Day | [
"Misc Hacks",
"Space"
] | [
"GPRS",
"gps",
"modem",
"satellite",
"satellite modem"
] | Sometimes there’s nothing more rewarding than pulling apart an old piece of hardware of mysterious origin. [saveitforparts] does just that, and recently came across a curious satellite system from a surplus store. What else could he do,
other than tear it down and try to get it humming?
The device appeared to be satell... | 9 | 5 | [
{
"comment_id": "8039833",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-13T23:31:02",
"content": "Thumbs up for Ax-Man!Interesting tear down!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039834",
"author": "Gamma Raymond",
... | 1,760,371,792.334274 | ||
https://hackaday.com/2024/09/13/building-a-multi-purpose-electrochemistry-device/ | Building A Multi-Purpose Electrochemistry Device | Dave Rowntree | [
"chemistry hacks"
] | [
"diy",
"electrochemistry",
"magnet stirrer",
"voltammetry"
] | We don’t get enough electrochemistry hacks on these pages, so here’s [Markus Bindhammer] of YouTube/
Marb’s lab
fame to give us a fix with their hand-built
general-purpose electrochemistry device
.
The basic structure is made from plyboard cut to size on a table saw and glued’n’screwed together. The top and front are c... | 12 | 4 | [
{
"comment_id": "8039824",
"author": "Drone",
"timestamp": "2024-09-13T22:46:24",
"content": "I am surprised to see only one container. Electrochemical Cells are a big part of Electro-Chemistry studies and almost always have at least two containers.[1][One] Electrochemical Cellshttps://ch302.cm.utex... | 1,760,371,792.386605 | ||
https://hackaday.com/2024/09/13/2024-tiny-games-contest-neat-pcb-business-card-was-inspired-by-the-arduboy/ | 2024 Tiny Games Contest: Neat PCB Business Card Was Inspired By The Arduboy | Lewin Day | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"business card",
"Flappy Bird",
"pcb",
"pcb business card"
] | The humble business card is usually a small slip of cardboard with some basic contact details on it — but as hackers know, it can be so much more. [Marian] has provided us a great example in the form of
his own digital business card
, which doubles as a handheld game!
Wanting to make his business card more interesting ... | 0 | 0 | [] | 1,760,371,792.619136 | ||
https://hackaday.com/2024/09/13/where-do-you-connect-the-shield/ | Where Do You Connect The Shield? | Arya Voronova | [
"Featured",
"how-to",
"News",
"PCB Hacks"
] | [
"audio",
"connector",
"Ground",
"hdmi",
"pcb",
"usb"
] | When it comes to polarizing and confusing questions in electronics, wiring up shields is on the top-10 list when sorted by popularity. It’s a question most of us need to figure out at some point – when you place a USB socket symbol on your schematic, where do you wire up the SHIELD and MP pins?
Once you look it up, you... | 24 | 5 | [
{
"comment_id": "8039759",
"author": "Matthias",
"timestamp": "2024-09-13T17:21:58",
"content": "feel you with seperating the USB-C Shield and have to thank you for pointing it out before i sent my board to the fab",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,371,792.579446 | ||
https://hackaday.com/2024/09/14/cast21-brings-healing-into-2024/ | Cast21 Brings Healing Into 2024 | Kristina Panos | [
"Medical Hacks",
"News"
] | [
"cast",
"catalyst",
"fracture",
"resin"
] | It takes but an ill-fated second to break a bone, and several long weeks for it to heal in a cast. And even if you have one of those newfangled fiberglass casts, you still can’t get the thing wet, and it’s gonna be itchy under there because your skin can’t breathe. Isn’t it high time for something better?
Enter
Cast21
... | 16 | 8 | [
{
"comment_id": "8040011",
"author": "steelman",
"timestamp": "2024-09-15T06:20:52",
"content": "There is significantly less surface area to collect artwork.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8040013",
"author": "jbx",
"timestamp... | 1,760,371,792.676375 | ||
https://hackaday.com/2024/09/14/taking-back-the-internet-with-the-tildeverse/ | Taking Back The Internet With The Tildeverse | Dave Rowntree | [
"internet hacks",
"Retrocomputing"
] | [
"Fediverse",
"gemini",
"Gopher",
"minecraft",
"minimalist",
"radio",
"retro",
"Tilde",
"Tildeverse",
"voip",
"www"
] | For many of us of a particular vintage, the internet blossomed in the ’90s with the invention of the Web and just a few years of development. Back then, we had the convenience of expression on the WWW and the backup of mature services such as IRC for all that other stuff we used to get up to. Some of us still hang out ... | 24 | 11 | [
{
"comment_id": "8039999",
"author": "BT",
"timestamp": "2024-09-15T04:02:25",
"content": "Big-commerce took over, and it ballooned into this enormously complex mess with people tracking you every few seconds and constantly trying to bombard you with marketing messages.And they choose to publicise t... | 1,760,371,792.813456 | ||
https://hackaday.com/2024/09/14/an-earth-bound-homage-to-a-martian-biochemistry-experiment/ | An Earth-Bound Homage To A Martian Biochemistry Experiment | Dan Maloney | [
"chemistry hacks",
"Space"
] | [
"carbon dioxide",
"carbon-14",
"co2",
"Labeled Release",
"mars",
"nutrient",
"regolith",
"Viking"
] | With all the recent attention on Mars and the search for evidence of ancient life there, it’s easy to forget that not only has the Red Planet been under the figurative microscope since the early days of the Space Race, but we went to tremendous effort to send a pair of miniaturized biochemical laboratories there back i... | 5 | 3 | [
{
"comment_id": "8039977",
"author": "Hirudinea",
"timestamp": "2024-09-14T23:50:43",
"content": "So did he find life?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8040027",
"author": "Menno",
"timestamp": "2024-09-15T08:04:01",
"co... | 1,760,371,792.716704 | ||
https://hackaday.com/2024/09/14/create-custom-gridfinity-boxes-using-images-of-tools/ | Create Custom Gridfinity Boxes Using Images Of Tools | Dave Rowntree | [
"3d Printer hacks",
"Software Hacks"
] | [
"3d printed",
"Canny",
"gridfinity",
"opencv"
] | Exhibit A: A standard-issue banana.
We love it when a community grabs hold of an idea and runs wild with it despite obvious practicality issues. Gridfinity by YouTuber [Zach Freedman] is one of those concepts. For the unaware, this is a simple storage system standard, defining boxes to hold your things. These boxes can... | 4 | 4 | [
{
"comment_id": "8039974",
"author": "David",
"timestamp": "2024-09-14T21:37:55",
"content": "Standard banana,standard(ish) dose of radioactivity",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8040006",
"author": "echodelta",
"timestamp": "2024-09-15T0... | 1,760,371,792.903995 | ||
https://hackaday.com/2024/09/14/pong-in-a-petri-dish-teasing-out-how-brains-work/ | Pong In A Petri Dish: Teasing Out How Brains Work | Maya Posch | [
"Science"
] | [
"bayesian",
"biological neural network",
"electroactive polymers"
] | Experimental setup for the EAP hydrogel free energy principle test. (Credit: Vincent Strong et al., Cell, 2024)
Of the many big, unanswered questions in this Universe, the ones pertaining to the functioning of biological neural networks are probably among the most intriguing. From the lowliest neurally gifted creatures... | 1 | 1 | [
{
"comment_id": "8040233",
"author": "Peter",
"timestamp": "2024-09-16T04:14:31",
"content": "If you Find this interesting, you should check out “the thought emporium “ . He is working on growing neurons to play doom. :)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,792.853508 | ||
https://hackaday.com/2024/09/14/always-something-new-under-the-sun/ | Always Something New Under The Sun | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"contest",
"inspiration",
"newsletter"
] | Some of the entries we got into the Tiny Games Contest have been really mind-blowing. Just as you think you’ve seen it all, for instance,
alnwlsn comes along and mills the DIP-package ATtiny84 and embeds a complete Simon game in the space normally
wasted
by all that plastic overmolding
. It’s the tiniest, and most gonz... | 7 | 2 | [
{
"comment_id": "8039946",
"author": "alnwlsn",
"timestamp": "2024-09-14T16:19:03",
"content": "Honestly, the idea for something like this comes directly from years of reading Hackaday, which I’ve been doing since middle school. Some projects that inspired this one arehttps://hackaday.com/2011/12/19... | 1,760,371,792.957113 | ||
https://hackaday.com/2024/09/14/soldering-up-close-and-personal/ | Soldering, Up Close And Personal | Dan Maloney | [
"Misc Hacks"
] | [
"bga",
"inspection",
"Keyence",
"microscope",
"qfn",
"smd",
"solder",
"through hole",
"tssop"
] | A word of warning before watching
this very cool video on soldering
: it may make you greatly desire what appears to be a very, very expensive microscope. You’ve been warned.
Granted, most people don’t really need to get this up close and personal with their soldering, but as [Robert Feranec] points out, a close look a... | 13 | 11 | [
{
"comment_id": "8039907",
"author": "Sean",
"timestamp": "2024-09-14T13:57:39",
"content": "Really neat how it stays in focus no matter how you turn the stage or swivel the camera. Very smooth video!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039908",
... | 1,760,371,793.008086 | ||
https://hackaday.com/2024/09/12/2024-tiny-games-contest-spectacular-sub-surface-simon/ | 2024 Tiny Games Contest: Spectacular Sub-Surface Simon | Kristina Panos | [
"ATtiny Hacks",
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"attiny84"
] | When you work with tiny things on the regular, they start to seem normal-sized to your hands and eyes. Then, if you work with even smaller packages, stuff like 0603 might as well be through-hole components.
[alnwlsn] is no stranger to the small, having worked almost exclusively with surface mount components for a few y... | 17 | 14 | [
{
"comment_id": "8039559",
"author": "Nathan",
"timestamp": "2024-09-12T23:18:04",
"content": "“As you’ll see in the video after the break, the answer lies in milling, but with the motors disconnected and manually turning the knobs”That’s still milling lolIf anything, that’s the normal way milling i... | 1,760,371,793.066443 | ||
https://hackaday.com/2024/09/12/digital-bumper-sticker-tells-everyone-what-youre-listening-to/ | Digital Bumper Sticker Tells Everyone What You’re Listening To | Lewin Day | [
"Musical Hacks"
] | [
"audio",
"charli xcx",
"last.fm",
"music",
"spotify"
] | Bumper stickers are usually political, crude, or otherwise inflammatory. Rather a more fun example is this digital creation from [Guy Dupont], who made
a bumper sticker that broadcasts what he’s listening to on the stereo.
[Guy] found a nice wide 11-inch bar LCD that was the right aspect ratio to suit the “bumper stick... | 23 | 11 | [
{
"comment_id": "8039528",
"author": "davedarko",
"timestamp": "2024-09-12T20:17:20",
"content": "Every Guy Dupont project is an absolute pleasure for me to see here and on youtube.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039544",
"author": "Hirudi... | 1,760,371,793.314613 | ||
https://hackaday.com/2024/09/12/how-photomultipliers-detect-single-photons/ | How Photomultipliers Detect Single Photons | Maya Posch | [
"Science"
] | [
"photomultiplier",
"photomultiplier tube"
] | If you need to measure the presence of photons down to a very small number of them, you are looking at the use of a photomultiplier, as explained in a recent video by [Huygens Optics] on YouTube. The only way to realistically measure at such a sensitivity level is to amplify them with a
photomultiplier tube
(PMT). Alth... | 12 | 7 | [
{
"comment_id": "8039517",
"author": "philosiraptor117",
"timestamp": "2024-09-12T19:35:07",
"content": "sure would be a shame if somebody used semiconductor tech in photonics to build a monolithic photomultiplier that was only a few mm tall…",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,793.362851 | ||
https://hackaday.com/2024/09/12/building-a-subwoofer-box-out-of-decking-material/ | Building A Subwoofer Box Out Of Decking Material | Lewin Day | [
"Musical Hacks"
] | [
"audio",
"HiFi",
"music",
"speaker",
"speaker box",
"Speaker enclosure",
"sub",
"subwoofer",
"subwoofer enclosure"
] | When you go to build a subwoofer box, wood is the most common choice. When it came to his project, though, [Startup Chuck] decided to go a different route entirely. Rather than the usual plywood or MDF,
he decided to try Trex decking instead.
Why? He had some lying around, and he suspected it might just sound good.
If ... | 8 | 5 | [
{
"comment_id": "8039478",
"author": "Snarkenstein",
"timestamp": "2024-09-12T16:28:36",
"content": "MDF isn’texactlywood. It’s wood flour and glue, basically.I banned MDF from my shop years ago, because the dust from cutting it is so pervasive. I don’t know what the dust from cutting this deck mate... | 1,760,371,795.222917 | ||
https://hackaday.com/2024/09/12/review-ifixits-fixhub-may-be-the-last-soldering-iron-you-ever-buy/ | Review: IFixit’s FixHub May Be The Last Soldering Iron You Ever Buy | Tom Nardi | [
"Featured",
"Interest",
"Reviews",
"Tool Hacks"
] | [
"FixHub",
"ifixit",
"repairability",
"soldering iron",
"soldering station",
"USB C",
"webserial"
] | Like many people who solder regularly, I decided years ago to upgrade from a basic iron and invest in a soldering station. My RadioShack digital station has served me well for the better part of 20 years. It heats up fast, tips are readily available, and it’s a breeze to dial in whatever temperature I need. It’s older ... | 100 | 42 | [
{
"comment_id": "8039439",
"author": "Rob T.",
"timestamp": "2024-09-12T14:11:58",
"content": "I think the future of soldering irons is going to be compact but full power cordless that rapidly charges when placed on the stand. Say you had an iron that gives you a stand alone runtime of 5-10 min but... | 1,760,371,795.368338 | ||
https://hackaday.com/2024/09/12/2024-tiny-games-contest-a-flappy-seagull-game-with-sound-in-only-500-bytes/ | 2024 Tiny Games Contest: A Flappy Seagull Game With Sound In Only 500 Bytes | Dan Maloney | [
"contests"
] | [
"2024 Tiny Games Challenge",
"6502",
"65uino",
"assembly",
"Flappy Bird",
"i2c"
] | It was probably a reasonable assumption that the “Tiny” in our recently concluded Tiny Games Contest mostly referred to the physical footprint of the game. And indeed, that’s the way most of the entries broke, which resulted in some pretty amazing efforts. [Anders Nielsen], however, took the challenge another way and m... | 4 | 3 | [
{
"comment_id": "8039456",
"author": "Anders Nielsen",
"timestamp": "2024-09-12T14:47:01",
"content": "Thanks for the writeup! It was fun to make – even being under a bit of time pressure this weekend :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8039565... | 1,760,371,794.898454 | ||
https://hackaday.com/2024/09/12/inkycal-makes-short-work-of-e-paper-dashboards/ | Inkycal Makes Short Work Of E-Paper Dashboards | Tom Nardi | [
"home hacks",
"Raspberry Pi"
] | [
"dashboard",
"e-paper display",
"weather display"
] | The e-paper “dashboard” is something we’ve seen plenty of times here at Hackaday. Use it to show your daily schedule, the news, weather, maybe the latest posts from your favorite hardware hacking website. Any information source that doesn’t need to be updated more than every hour or so is a perfect candidate. All you’v... | 10 | 6 | [
{
"comment_id": "8039384",
"author": "shinsukke",
"timestamp": "2024-09-12T09:23:58",
"content": "Cool project. I have a spare eInk screen lying around. I have designed a plastic enclosure with an ESP8266 around it but then I came to the hardest part, deciding what info I want it to display.Finally ... | 1,760,371,795.418368 | ||
https://hackaday.com/2024/09/13/hackaday-podcast-episode-288-cyanotypes-antique-21-segment-displays-and-the-voynich-manuscript-in-a-new-light/ | Hackaday Podcast Episode 288: Cyanotypes, Antique 21-Segment Displays, And The Voynich Manuscript In A New Light | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | It’s Friday the 13th, and despite having to dodge black cats and poorly located ladders, Elliot and Dan were able to get together and run down the best hacks of the first week of September. Our luck was pretty good, too, seeing how we stumbled upon a coffee table that walks your drink over to you on Strandbeest legs, a... | 0 | 0 | [] | 1,760,371,794.985104 | ||
https://hackaday.com/2024/09/13/recreating-a-popular-faux-nixie-clock/ | Recreating A Popular Faux-Nixie Clock | Tom Nardi | [
"clock hacks",
"Microcontrollers"
] | [
"clock",
"fake nixie",
"nixie clock",
"nixie tube",
"ntp",
"rtc"
] | There’s a good chance you’ve seen “Nixie clocks” on the Internet that replace the classic cold cathode tubes with similarly sized LCD panels. The hook is that the LCDs can show pictures and animations of Nixie tubes — or pretty much anything else for that matter — to recreate the look of the real thing, while being far... | 15 | 6 | [
{
"comment_id": "8039734",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-13T15:56:36",
"content": "I think any project on Hackaday.io should include source code, BOM, and schematic.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8039... | 1,760,371,795.119918 | ||
https://hackaday.com/2024/09/13/this-week-in-security-malicious-rollback-whois-and-more/ | This Week In Security: Malicious Rollback, WHOIS, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Rollback",
"This Week in Security",
"WHOIS"
] | It’s time to talk about
Microsoft’s patch Tuesday
, and the odd vulnerability rollback that happened.
CVE-2024-43491
has caught some attention, as it’s a 9.8 on the CVSS scale, is under active exploitation, and results in Remote Code Execution (RCE). Yikes, it sounds terrible!
First off, what actually happened? The off... | 4 | 4 | [
{
"comment_id": "8039713",
"author": "LordNothing",
"timestamp": "2024-09-13T14:33:00",
"content": "im surprised the ms exploit didn’t involve the forced co-pilot install on win10. i asked it how to uninstall copilot and it was about as useless as i figured it would be.",
"parent_id": null,
... | 1,760,371,794.940408 | ||
https://hackaday.com/2024/09/13/doing-midi-with-discrete-logic-is-neat-if-not-particularly-useful/ | Doing MIDI With Discrete Logic Is Neat, If Not Particularly Useful | Lewin Day | [
"Musical Hacks"
] | [
"4017",
"4017 counter",
"4017 counter IC",
"discrete logic",
"midi"
] | MIDI is normally baked into the chipset of a synthesizer, or something you use a microcontroller to handle. But that’s not the only way to speak the language! [Kevin] decided to have some fun
doing MIDI with discrete logic instead,
with some pretty neat results.
[Kevin] had previously built a control voltage step seque... | 4 | 3 | [
{
"comment_id": "8039719",
"author": "make piece not war",
"timestamp": "2024-09-13T14:52:24",
"content": "Let’s make this interesting. All you need are three big buttons and a microcontroller. In any state, one button does nothing and the other two if pressed randomizes the midi settings and the ro... | 1,760,371,795.023562 | ||
https://hackaday.com/2024/09/13/simple-pcb-agitator-gets-the-job-done/ | Simple PCB Agitator Gets The Job Done | Lewin Day | [
"PCB Hacks",
"Tool Hacks"
] | [
"agitator",
"etch",
"etching",
"pcb",
"pcb agitator",
"PCB etching"
] | These days, PCB fab houses are just about everywhere, and you can’t go buy a taco without walking past eight of them. Still, some out there still like to etch their PCBs at home. If that sounds like you,
you might see some value in [Chris Borge]’s PCB agitator.
The design mostly relies on 3D printed parts, including th... | 17 | 6 | [
{
"comment_id": "8039658",
"author": "easy",
"timestamp": "2024-09-13T08:30:58",
"content": "I always just throw some ferric chloride on the stove and let the boiling do the agitation. Boards usually etch in under 20 seconds…",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,795.174847 | ||
https://hackaday.com/2024/09/12/theres-already-a-nixie-addon-for-the-2024-supercon-badge/ | There’s Already A Nixie Addon For The 2024 Supercon Badge | Lewin Day | [
"contests"
] | [
"2024 Hackaday Supercon",
"2024 Supercon SAO Contest",
"contests",
"nixie",
"nixie tube",
"Simple Add-On"
] | Nixie tubes are cool, and hackers like them. Perhaps for those reasons more than any other, [Kevin Santo Cappuccio] has developed
a very particular Simple Add-On for the 2024 Hackaday Supercon badge
.
Rad, no?
The build began with a Burroughs 122P224 Nixie tube, and a HV8200 power supply. The latter component is key—it... | 0 | 0 | [] | 1,760,371,795.066574 | ||
https://hackaday.com/2024/09/12/back-up-your-data-on-paper-with-lots-of-qr-codes/ | Back Up Your Data On Paper With Lots Of QR Codes | Lewin Day | [
"Software Hacks"
] | [
"backup",
"command line",
"linux",
"paper",
"pdf",
"print",
"printer",
"qr",
"qr code",
"QR codes"
] | QR codes are used just about everywhere now, for checking into venues, ordering food, or just plain old advertising. But what about data storage? It’s hardly efficient, but if you want to store your files in a ridiculous paper format—
there’s a way to do that, too!
QR-Backup was developed by [za3k], and is currently av... | 59 | 24 | [
{
"comment_id": "8039592",
"author": "Sam",
"timestamp": "2024-09-13T02:20:56",
"content": "I vaguely remember (years and years ago) seeing an advertisement or a website for a software product that turned your files into barcodes, which you could then fax (!) to other people. They could then scan th... | 1,760,371,795.522388 | ||
https://hackaday.com/2024/09/11/2024-tiny-games-contest-micro-one-armed-bandit-hits-the-cuteness-jackpot/ | 2024 Tiny Games Contest: Micro One-Armed Bandit Hits The Cuteness Jackpot | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"QT Py",
"SAMD21"
] | They don’t call slot machines one-armed bandits for nothing. And although it’s getting harder and harder to find slot machines with actual pull-able handles instead of just big buttons, you can easily simulate the handle at home with the right kind of limit switch, as [Andrew Smith] did with
this micro slot machine
.
T... | 3 | 3 | [
{
"comment_id": "8039493",
"author": "Piotrsko",
"timestamp": "2024-09-12T17:34:46",
"content": "Igt or whoever they are nowadays still builds the one arm bandits. Seems to be a requirement in some places, but they are custom buikds",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,371,795.563857 | ||
https://hackaday.com/2024/09/11/train-speed-signaling-adapted-for-car/ | Train Speed Signaling Adapted For Car | Bryan Cockfield | [
"Transportation Hacks"
] | [
"boston",
"car",
"gps",
"indicator",
"led",
"mbta",
"obd-ii",
"power supply",
"reverse engineering",
"signaling",
"speed",
"speedometer",
"train"
] | One major flaw of designing societies around cars is the sheer amount of signage that drivers are expected to recognize, read, and react to. It’s a highly complex system that requires constant vigilance to a relatively boring task with high stakes, which is not something humans are particularly well adapted for. Modern... | 33 | 6 | [
{
"comment_id": "8039333",
"author": "TG",
"timestamp": "2024-09-12T02:10:19",
"content": "I always thought that obsessively trying to stay dead-on the exact posted speed limit and looking over your fiddly indicators and dials was detrimental to safety. Keep a general speed around the posted limit a... | 1,760,371,795.941262 | ||
https://hackaday.com/2024/09/11/hacking-an-nvidia-cmp-170hx-crypto-gpu-for-em-sim-work/ | Hacking An NVIDIA CMP 170HX Crypto GPU For EM Sim Work | Dave Rowntree | [
"hardware"
] | [
"crypto",
"electromagnetic",
"etherium",
"NVIDIA",
"nvidia A100",
"simulation"
] | A few years back NVIDIA created a dedicated cryptocurrency mining GPU, the CMP 170HX. This was a heavily restricted version of its flagship A100 datacenter accelerator, using the same GA100 chip. It was intended for accelerating Ethash, the Etherium proof-of-work algorithm, and nothing else. [niconiconi] bought one to ... | 7 | 5 | [
{
"comment_id": "8039362",
"author": "shinsukke",
"timestamp": "2024-09-12T05:37:17",
"content": "I’m looking into buying an nVIDIA Tesla M40 24GB for running LLMs. They seem to be cheap enough these days but I still cannot say any GPU with LLM worthy VRAM is a good deal",
"parent_id": null,
... | 1,760,371,795.733287 | ||
https://hackaday.com/2024/09/11/ibms-1969-educational-computing/ | IBM’s 1969 Educational Computing | Alexander Rowsell | [
"computer hacks",
"Retrocomputing"
] | [
"1960s",
"ibm",
"IBM Hursley",
"IBM museum",
"retro computer clone",
"schools computer"
] | IBM got their PCs and PS/2 computers into schools in the 1980s and 1990s. We fondly remember educational games like Super Solvers: Treasure Mountain. However, IBM had been trying to get into the educational market long before the PC. In 1969, the IBM Schools Computer System Unit was developed. Though it never reached c... | 10 | 5 | [
{
"comment_id": "8039297",
"author": "Miles Archer",
"timestamp": "2024-09-11T21:15:05",
"content": "Wow. My dad worked on education software at IBM in the late 60s and he never mentioned this. Pretty advanced for 1969.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,371,795.86795 | ||
https://hackaday.com/2024/09/11/floss-weekly-episode-800-champagning-the-ladybird-browser/ | FLOSS Weekly Episode 800: Champagning The Ladybird Browser | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"browser",
"FLOSS Weekly",
"SerenityOS"
] | This week
Jonathan Bennett
and
Aaron Newcomb
chat with
Andreas Kling
about Ladybird, the new browser in development from the ground up. It was started as part of SerenityOS, and has since taken on a life of its own. How much of the web works on it? How many people are working on the project? And where’s the download bu... | 5 | 4 | [
{
"comment_id": "8039295",
"author": "Inhibit",
"timestamp": "2024-09-11T20:56:22",
"content": "Remember to browse responsibly with all that bubbly.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039691",
"author": "Publius Anonymous",
"timestamp": "2... | 1,760,371,795.681918 | ||
https://hackaday.com/2024/09/11/supercon-2023-aleksa-bjelogrlic-dives-into-circuits-that-measure-circuits/ | Supercon 2023: Aleksa Bjelogrlic Dives Into Circuits That Measure Circuits | Lewin Day | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"analog design",
"circuit design",
"design",
"digital Oscilloscope",
"front end",
"oscilloscope",
"USB 3"
] | Oscilloscopes are one of our favorite tools for electronics development. They make the hidden dances of electrons visually obvious to us, and give us a clear understanding of what’s actually going on in a circuit.
The question few of us ever ask is, how do they work? Most specifically—how do you design a circuit that’s... | 10 | 5 | [
{
"comment_id": "8039258",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-11T18:19:16",
"content": "“Aleksa, make me an oscilloscope.”B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039290",
"author": "paulvdh",
"timestamp":... | 1,760,371,795.991578 | ||
https://hackaday.com/2024/09/11/using-a-potato-as-photographic-recording-surface/ | Using A Potato As Photographic Recording Surface | Maya Posch | [
"chemistry hacks"
] | [
"analog photography",
"blueprint",
"photogram",
"silver nitrate"
] | Following in the tracks of unconventional science projects, [The Thought Emporium] seeks to answer the question of whether you can use a
potato as a photograph recording medium
. This is less crazy than it sounds, as ultimately analog photographs (and
photograms
) is about inducing a light-based change in some kind of ... | 11 | 6 | [
{
"comment_id": "8039218",
"author": "clancydaenlightened",
"timestamp": "2024-09-11T16:04:01",
"content": "You can use potato to create color photosUsing an emulsion and color filterMashed potato mix “Kodak” filmI think there was a post about somewhere here",
"parent_id": null,
"depth": 1,
... | 1,760,371,796.202421 | ||
https://hackaday.com/2024/09/11/lithium-ion-battery-hotswapping-polarity-holders/ | Lithium-Ion Battery Hotswapping, Polarity, Holders | Arya Voronova | [
"Battery Hacks",
"Featured",
"Skills",
"Slider"
] | [
"18650",
"Lithium-ion battery"
] | Everyone loves, and should respect, lithium-ion batteries. They pack a ton of power and can make our projects work better. I’ve gathered a
number of tips and tricks about using them over the years
, based on my own hacking and also lessons I’ve learned from others.
This installment includes a grab-bag of LiIon tricks t... | 29 | 9 | [
{
"comment_id": "8039187",
"author": "LookAtDaShinyShiny",
"timestamp": "2024-09-11T14:12:37",
"content": "Page not found on the github link for the battery holder…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8039214",
"author": "Arya Voronova",
... | 1,760,371,796.069756 | ||
https://hackaday.com/2024/09/11/voyager-1-completes-tricky-thruster-reconfiguration/ | Voyager 1 Completes Tricky Thruster Reconfiguration | Maya Posch | [
"News",
"Space"
] | [
"thruster",
"voyager"
] | After 47 years it’s little wonder that the hydrazine-powered thrusters of the Voyager 1, used to orient the spacecraft in such a way that its 3.7 meter (12 foot) diameter antenna always points back towards Earth, are getting somewhat clogged up. As a result, the team has
now switched back to the thrusters
which they or... | 35 | 8 | [
{
"comment_id": "8039154",
"author": "Jane Phillips",
"timestamp": "2024-09-11T11:40:37",
"content": "Wow",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039170",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2024-09-11T12:46:46",
... | 1,760,371,796.146602 | ||
https://hackaday.com/2024/09/11/a-look-inside-a-diy-rocket-motor/ | A Look Inside A DIY Rocket Motor | Dan Maloney | [
"Space"
] | [
"Deconstruction",
"graphite",
"Nozzle",
"phenolic",
"post-mortem",
"rocketry",
"solid rocket motor",
"test"
] | [Joe Barnard] made a solid propellant rocket motor, and as one does in such situations, he put it through its paces on the test stand.
The video below
is not about the test, nor is it about the motor’s construction. Rather, it’s a deconstruction of the remains of the motor in order to better understand its design, and ... | 7 | 3 | [
{
"comment_id": "8039228",
"author": "Laurence",
"timestamp": "2024-09-11T16:30:57",
"content": "Might be a good idea to add a disclaimer that this is illegal in some countries like the UK, as it’s classed as manufacturing explosives.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,371,796.294447 | ||
https://hackaday.com/2024/09/10/the-apple-watch-as-an-ammeter/ | The Apple Watch As An Ammeter | Jenny List | [
"Tool Hacks",
"Wearable Hacks"
] | [
"Ammeter",
"apple watch",
"magnetometer"
] | Your shiny new personal electronic device is likely to be designed solely as an app platform to run the products of faceless corporations, so the story goes, and therefore has an ever smaller hacking potential. Perhaps that view is needlessly pessimistic, because here’s [JP3141] with an example that goes against the gr... | 3 | 2 | [
{
"comment_id": "8039508",
"author": "Elliot Williams",
"timestamp": "2024-09-12T19:00:54",
"content": "C’mon folks, this is an awesome hack! Why hasn’t anyone done this on their cellphone?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8039536",
"author"... | 1,760,371,796.245266 | ||
https://hackaday.com/2024/09/10/cruise-ship-lengthening-surgery-all-the-cool-companies-are-doing-it/ | Cruise Ship-Lengthening Surgery: All The Cool Companies Are Doing It | Maya Posch | [
"Transportation Hacks"
] | [
"cruise line",
"shipbuilding",
"ships"
] | Sliding in an extra slice of cruise ship to lengthen it. (Credit: Silversea cruises)
The number of people going on cruises keeps rising year over year, with the number passengers carried increasing from just over 3.7 million in 1990 to well over 28 million in 2023. This has meant an increasing demand for more and also ... | 58 | 18 | [
{
"comment_id": "8036751",
"author": "Zak Force",
"timestamp": "2024-09-11T03:09:45",
"content": "Is that not what killed the Edmond fizgerald?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8036783",
"author": "Gravis",
"timestamp": "2024-09... | 1,760,371,796.401484 | ||
https://hackaday.com/2024/09/10/misleading-gps-philosophy-of-maps-and-you/ | Misleading GPS, Philosophy Of Maps, And You | Bryan Cockfield | [
"gps hacks"
] | [
"accuracy",
"approximation",
"garmin",
"gps",
"map",
"mapping",
"model",
"precision",
"Strava"
] | The oft-quoted saying “all models are wrong, but some are useful” is a tounge-in-cheek way of saying that at some level, tools we use to predict how the world behaves will differ from reality in some measurable way. This goes well beyond the statistics classroom it is most often quoted in, too, and is especially appare... | 19 | 8 | [
{
"comment_id": "8035660",
"author": "craig",
"timestamp": "2024-09-11T00:52:47",
"content": "I’m hard pressed to think of how a recreational hike or bike ride or whatever could be impacted at all by a tracing analyzed later that is off by as much as “tens of meters.” Honestly really thinking about ... | 1,760,371,796.51462 | ||
https://hackaday.com/2024/09/10/why-have-seven-segments-when-you-can-have-21/ | Why Have Seven Segments When You Can Have 21? | Dave Rowntree | [
"Parts"
] | [
"21-segment",
"3d printed",
"display",
"led"
] | IO user [monte] was pointed towards an 1898 display patent issued to a [George Mason] and liked the look of the ‘creepy’ font it defined. The layout used no less than 21 discrete segments to display the complete roman alphabet and numerals, which is definitely not possible with the mere seven segments we are all famili... | 35 | 18 | [
{
"comment_id": "8033724",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-10T20:28:28",
"content": "Yep! I’d say that is kind of creepy!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8033871",
"author": "Andrew",
"ti... | 1,760,371,796.587691 | ||
https://hackaday.com/2024/09/10/mobile-coffee-table-uses-legs-to-get-around/ | Mobile Coffee Table Uses Legs To Get Around | Bryan Cockfield | [
"home hacks"
] | [
"bamboo",
"coffee table",
"design",
"genetic algorithm",
"leg",
"linkage",
"mobile",
"motor",
"strandbeest",
"table",
"walking",
"woodworking"
] | For getting around on most surfaces, it’s hard to beat the utility of the wheel. Versatile, inexpensive, and able to be made from a wide array of materials has led to this being a cornerstone technology for the past ten thousand years or so. But with that much history it can seem a little bit played out. To change up t... | 22 | 12 | [
{
"comment_id": "8032898",
"author": "k-ww",
"timestamp": "2024-09-10T18:36:31",
"content": "Good Grief! It’s the luggage from “Discworld”!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8034837",
"author": "Joe Shaw",
"timestamp": "2024-09-1... | 1,760,371,796.769403 | ||
https://hackaday.com/2024/09/10/assessing-the-energy-efficiency-of-programming-languages/ | Assessing The Energy Efficiency Of Programming Languages | Maya Posch | [
"Hackaday Columns",
"Rants",
"Slider",
"Software Development"
] | [
"benchmarking",
"energy efficiency",
"programming languages"
] | Programming languages are generally defined as a more human-friendly way to program computers than using raw machine code. Within the realm of these languages there is a wide range of how close the programmer is allowed to get to the bare metal, which ultimately can affect the performance and efficiency of the applicat... | 67 | 27 | [
{
"comment_id": "8032172",
"author": "drenehtsral",
"timestamp": "2024-09-10T17:28:12",
"content": "Having worked at two large household name tech companies in the last couple years I am afraid that I’ve seen firsthand that even where performance is supposed to matter (embedded systems and data mini... | 1,760,371,796.70097 | ||
https://hackaday.com/2024/09/10/rescuing-high-res-displays-from-older-macs/ | Rescuing High-Res Displays From Older Macs | Bryan Cockfield | [
"Mac Hacks"
] | [
"5k",
"apple",
"display",
"imac",
"power supply",
"r1811",
"retina",
"usb",
"USB C"
] | When Apple started rolling out its Retina displays, it multiplied the amount of pixels compared to their standard, non-Retina displays by four. This increased pixel density while keeping the standard screen size — idea for those needing a lot of detail for their work. But, as is common with Apple, using these displays ... | 26 | 8 | [
{
"comment_id": "8031552",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-10T15:57:28",
"content": "The Title made me wonder if there are projects out there that have turned old iPads into terminals.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,371,796.833935 | ||
https://hackaday.com/2024/09/10/a-look-at-the-small-web-part-1/ | A Look At The Small Web, Part 1 | Jenny List | [
"Current Events",
"Featured",
"Interest",
"internet hacks",
"Original Art",
"Slider"
] | [
"gemini",
"Gopher",
"HTTP",
"small web"
] | In the early 1990s I was privileged enough to be immersed in the world of technology during the exciting period that gave birth to the World Wide Web, and I can honestly say I managed to completely miss those first stirrings of the information revolution in favour of CD-ROMs, a piece of technology which definitely didn... | 61 | 20 | [
{
"comment_id": "8030893",
"author": "Joshua",
"timestamp": "2024-09-10T14:16:10",
"content": "Maybe it’s because I’m from Europe, but I did enjoy the days of Windows 3.1, System 7 and Amigas.I’ve bought shareware CD-ROMs, was fascinated by Kodak Photo CDs, Video CDs and “early” online services and... | 1,760,371,797.078529 | ||
https://hackaday.com/2024/09/10/shedding-new-light-on-the-voynich-manuscript-with-multispectral-imaging/ | Shedding New Light On The Voynich Manuscript With Multispectral Imaging | Donald Papp | [
"Art",
"Science"
] | [
"multispectral imaging",
"Voynich manuscript"
] | The Voynich Manuscript is a medieval codex written in an unknown alphabet and is replete with fantastic illustrations as unusual and bizarre as they are esoteric. It has captured interest for hundreds of years, and expert [Lisa Fagin Davis] shared interesting results from using
multispectral imaging on some pages of th... | 14 | 6 | [
{
"comment_id": "8029423",
"author": "oro35",
"timestamp": "2024-09-10T12:15:19",
"content": "written in an unknown alphabet and is replete with fantastic illustrations as unusual and bizarre as they are esotericAlso known as schizophrenia.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,371,797.139138 | ||
https://hackaday.com/2024/09/10/slim-tactile-switches-save-classic-ti-calculator-with-a-bad-keypad/ | Slim Tactile Switches Save Classic TI Calculator With A Bad Keypad | Dan Maloney | [
"Repair Hacks"
] | [
"calculator",
"membrane",
"pcb",
"smd",
"tactile",
"texas instruments",
"ti"
] | For vintage calculator fans, nothing strikes more fear than knowing that someday their precious and irreplaceable daily driver will become a museum piece to be looked at and admired — but never touched again. More often than not, the failure mode will be the keypad.
In an effort to recover from the inevitable, at least... | 16 | 5 | [
{
"comment_id": "8029140",
"author": "Antron Argaiv",
"timestamp": "2024-09-10T11:23:16",
"content": "When scientific calculators first came out, the TIs were known for their low cost (over $100 but under $200 IIRC) while the HPs were well over $300. Thus, most people had TIs. But the HPs had MUCH n... | 1,760,371,797.260471 | ||
https://hackaday.com/2024/09/09/hard-lessons-learned-while-building-a-solar-rc-plane/ | Hard Lessons Learned While Building A Solar RC Plane | Maya Posch | [
"Solar Hacks"
] | [
"ardupilot",
"autonomous aircraft",
"RC airplane",
"solar airplane"
] | Although not the first to try and build a DIY solar-powered remote control airplane,
[ProjectAir]’s recent attempt is the most significant one
in recent memory. It follows [rctestflight]’s
multi-year saga
with its v4 revision in 2019, as well as
2022’s rather big one
by [Bearospace]. With so many examples to look at, b... | 17 | 10 | [
{
"comment_id": "8027263",
"author": "clind",
"timestamp": "2024-09-10T07:19:41",
"content": "I Wonder if a flying wing design could offer a low drag/ high wing surface area solution interesting for such an andeavour.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,797.552442 | ||
https://hackaday.com/2024/09/09/orion-ceases-operations-future-of-meade-unclear/ | Orion Ceases Operations, Future Of Meade Unclear | Al Williams | [
"News",
"Space"
] | [
"Orion telescopes",
"telescope"
] | There was a time when building a telescope was a rite of passage for budding astronomers, much as building a radio was the coming age for electronics folks. These days, many things are cheaper to buy than build, even though we do enjoy building anything we can. Orion was a big name in telescopes for many years. Their p... | 32 | 16 | [
{
"comment_id": "8020591",
"author": "Winston",
"timestamp": "2024-09-09T11:49:03",
"content": "Orion Telescopes & Binoculars Purchases Meade InstrumentsJune 1, 2021https://skyandtelescope.org/astronomy-news/orion-telescopes-binoculars-purchases-meade/Optronic Technologies, Inc., better known to bac... | 1,760,371,797.2049 | ||
https://hackaday.com/2024/09/09/microsoft-sculpt-keyboard-lives-again-with-rp2040/ | Microsoft Sculpt Keyboard Lives Again With RP2040 | Tom Nardi | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"custom PCB",
"drop-in replacement",
"QMK",
"rp2040"
] | Hackaday readers are likely the kind of folks that have a favorite keyboard, so you can probably imagine how devastating it would be to find out that the board you’ve sworn by for years is going out of production. Even worse, the board has some internal gremlins that show up after a few years of use, so functional ones... | 8 | 5 | [
{
"comment_id": "8019360",
"author": "der.ule",
"timestamp": "2024-09-09T10:00:42",
"content": "Incase is relauching the Microsoft Hardware portfoliohttps://www.incase.com/pages/incase-designed-by-microsoftStill, cool hack",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,371,797.440313 | ||
https://hackaday.com/2024/09/08/mainframe-chip-has-360mb-of-on-chip-cache/ | Mainframe Chip Has 360MB Of On-Chip Cache | Al Williams | [
"computer hacks"
] | [
"cpu",
"ibm"
] | It is hard to imagine what a mainframe or supercomputer can do when we all have what amounts to supercomputers on our desks. But if you look at something like
IBM’s mainframe Telum chip
, you’ll get some ideas. The Telum II has “only” eight cores, but they run at 5.5 GHz. Unimpressed? It also has 360 MB of on-chip cach... | 29 | 10 | [
{
"comment_id": "8017982",
"author": "Hak Foo",
"timestamp": "2024-09-09T06:22:44",
"content": "A Top 500 list does not exclusively define ‘supercomputer’ because, if nothing else, it’s a moving target. A Raspberry Pi 1A will outbenchmark much of Cray’s 1970s and 1980s catalogue, but that doesn’t r... | 1,760,371,797.329665 | ||
https://hackaday.com/2024/09/08/printed-in-space-3d-printed-metal-parts-shown-off-after-returning-from-the-iss/ | Printed In Space: 3D-Printed Metal Parts Shown Off After Returning From The ISS | Maya Posch | [
"3d Printer hacks",
"Space"
] | [
"3D metal printer",
"international space station"
] | The European Space Agency (ESA) is showing
3D-printed metal parts
made onboard the International Space Station
using a printer and materials the agency sent
earlier this year. While 3D printing onboard the ISS is nothing new, the printing of metal parts in space is an important advancement. The agency’s goals are to b... | 21 | 10 | [
{
"comment_id": "8015774",
"author": "paulvdh",
"timestamp": "2024-09-09T02:14:46",
"content": "Well, ISSS is 450ton of metal and other stuff. They still have 6 years to have it print itself into something else before the deorbit is scheduled.It’s one of the things I do not understand. Launch costs ... | 1,760,371,797.392679 | ||
https://hackaday.com/2024/09/08/hackaday-links-september-8-2024/ | Hackaday Links: September 8, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"American Radio Relay LEague",
"Animagraff",
"ARRL",
"blender",
"boeing",
"eavesdropping",
"exoskeleton",
"Festool",
"hackaday links",
"iss",
"nasa",
"privacy",
"ransomware",
"rigging",
"sailing vessel",
"smartphone",
"Starliner"
] | OK, sit down, everyone — we don’t want you falling over and hurting yourself when you learn the news that
actually yes, your phone has been listening to your conversations all along
. Shocking, we know, but that certainly seems to be what an outfit called Cox Media Group (CMG) does with its “Active Listening” software,... | 13 | 6 | [
{
"comment_id": "8014181",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-08T23:10:45",
"content": "IIRC, Starliner’s speaker noise was explained as feedback between its audio/radio system and the audio/radio system of the ISS.",
"parent_id": null,
"depth": 1,
"re... | 1,760,371,797.493656 | ||
https://hackaday.com/2024/09/08/self-driving-cars-learn-from-our-eyes/ | Self Driving Cars Learn From Our Eyes | Al Williams | [
"Transportation Hacks"
] | [
"autonomous driving",
"autonomous vehicles"
] | [Michelle Hampson] reports in IEEE Spectrum that Chinese researchers may improve self-driving cars by
mimicking how the human eye works
. In some autonomous cars, two cameras use polarizing filters to help
understand details about what the car sees
. However, these filters can penalize the car’s vision in low light con... | 14 | 7 | [
{
"comment_id": "8012745",
"author": "Daniel Scott Matthews",
"timestamp": "2024-09-08T20:47:24",
"content": "The real strength of human intelligence is our ability to shift modes and adapt in real time to the information sources available. i.e. We can shift focus from one sensory clue to another, o... | 1,760,371,797.897671 | ||
https://hackaday.com/2024/09/08/reverse-engineering-the-web-api-of-an-akaso-ek7000-action-camera/ | Reverse Engineering The Web API Of An Akaso EK7000 Action Camera | Maya Posch | [
"Reverse Engineering"
] | [
"Action camera",
"camera remote"
] | Recently, [Richard Audette] bought an Akaso EK7000 action camera for his daughter’s no-smartphones-allowed summer camp, which meant that after his daughter returned from said camp, he was
free to tinker
with this new toy. Although he was not interested in peeling open the camera to ogle its innards, [Richard] was very ... | 2 | 2 | [
{
"comment_id": "8011768",
"author": "alialiali",
"timestamp": "2024-09-08T18:01:51",
"content": "Would wireshark not be ideal for this. Capturing unencrypted traffic. Not that the method used wasn’t very effective",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,371,797.645134 | ||
https://hackaday.com/2024/09/07/should-you-run-servo-horns-or-direct-couplings-in-your-rc-planes/ | Should You Run Servo Horns Or Direct Couplings In Your RC Planes? | Lewin Day | [
"Misc Hacks"
] | [
"direct drive",
"plane",
"rc plane",
"servo"
] | Whenever you buy a servo, it usually comes with a little baggie full of various plastic horns. Most of us pick our favorite and use it in our projects. Some of us hack them up, glue them back together, and do all kinds of weird things with them. And others skip them entirely, going for direct drive instead.
In a new vi... | 22 | 11 | [
{
"comment_id": "7992806",
"author": "Steven Clark",
"timestamp": "2024-09-07T17:21:28",
"content": "I always kind of assumed horns were meant as a sacrificial breakaway part. But given how often servo gears get stripped I guess maybe they didn’t work well if they were.",
"parent_id": null,
... | 1,760,371,798.021315 | ||
https://hackaday.com/2024/09/07/fun-and-failure/ | Fun And Failure | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"newsletter",
"repair"
] | My sister is a beekeeper, or maybe a meta-beekeper. She ends up making more money by breeding and selling new queen bees to other beekeepers than she does by selling honey, but that doesn’t mean that she doesn’t also process the sweet stuff from time to time. She got a free steam-heated oscillating hot knife, used for ... | 20 | 7 | [
{
"comment_id": "7991802",
"author": "DougM",
"timestamp": "2024-09-07T14:55:03",
"content": "Bench Grinders are notoriously low torque (but high speed) motors.Just about any other motor would do the trick. Try one of those online electrical surplus places, they have a zillion motors of all specs."... | 1,760,371,797.96083 | ||
https://hackaday.com/2024/09/07/glowing-egg-is-a-one-oeuf-solution-for-tracking-cycles/ | Glowing Egg Is A One-Oeuf Solution For Tracking Cycles | Kristina Panos | [
"Lifehacks"
] | [
"ESP8266",
"fertility",
"menstrual cycle",
"menstruation",
"ovulation",
"RGB LED",
"wemos d1 mini",
"ws2812",
"yaml"
] | Look, if something happened to you every three weeks or so to basically turn you into a different person and factored heavily into whether any new humans were created, you’d probably want to keep abreast of the schedule, yeah? Yeah. So, while there are, of course, a ton of ways to do this with your phone, most of those... | 28 | 9 | [
{
"comment_id": "7990789",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-07T12:14:37",
"content": "I followed the link to learn more about how the holes in the egg were made, but didn’t find much on that.As an aside, I also clicked on the WordPress cookie policy link while t... | 1,760,371,797.843854 | ||
https://hackaday.com/2024/09/07/large-language-models-on-small-computers/ | Large Language Models On Small Computers | Bryan Cockfield | [
"Artificial Intelligence"
] | [
"ESP32",
"GPT",
"large language model",
"llama",
"llama.2c",
"LLM",
"tinyllamas"
] | As technology progresses, we generally expect processing capabilities to scale up. Every year, we get more processor power, faster speeds, greater memory, and lower cost. However, we can also use improvements in software to get things running on what might otherwise be considered inadequate hardware. Taking this to the... | 6 | 3 | [
{
"comment_id": "7989941",
"author": "deL",
"timestamp": "2024-09-07T09:20:24",
"content": "Forget extortionate Raspberry Pi AI add-ons, many SBC processors now haveinbuiltneural processing units (NPUs)…and they absolutely book:https://www.rock-chips.com/uploads/pdf/2022.8.26/192/RK3566%20Brief%20Da... | 1,760,371,798.204317 | ||
https://hackaday.com/2024/09/06/getting-started-with-polypropylene-pp-3d-printing/ | Getting Started With Polypropylene (PP) 3D Printing | Maya Posch | [
"3d Printer hacks"
] | [
"polypropylene"
] | Polypropylene (PP) is a thermoplastic that has a number of properties that sets it apart from other thermoplastics which see common use with 3D printing, including PLA, ABS and nylon (PA). Much like ABS (and the similar ASA), it is a pretty touchy material to print, especially on FDM printers. Over at the [All3DP] site... | 27 | 15 | [
{
"comment_id": "7990991",
"author": "sbrk",
"timestamp": "2024-09-07T13:03:51",
"content": "PET-G wins, in my book. I switched a number of years ago and never looked back.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7998983",
"author": "Anonymous... | 1,760,371,798.161599 | ||
https://hackaday.com/2024/09/06/bluetooth-version-6-0-core-specification-released/ | Bluetooth Version 6.0 Core Specification Released | Maya Posch | [
"News"
] | [
"bluetooth",
"bluetooth 6"
] | The Bluetooth SIG
recently released
the core specification for version 6.0 of Bluetooth. Compared to 5.x, it contains a number of changes and
some new features
, the most interesting probably being Channel Sounding. This builds upon existing features found in Bluetooth 5.x to determine the angle to, and direction of an... | 15 | 7 | [
{
"comment_id": "7989409",
"author": "Anthony",
"timestamp": "2024-09-07T07:02:12",
"content": "Does it have better security, I wonder?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7992106",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,371,798.276418 | ||
https://hackaday.com/2024/09/06/hot-water-heater-hacked-to-run-on-solar-juice/ | Hot Water Heater Hacked To Run On Solar Juice | Lewin Day | [
"Misc Hacks"
] | [
"heater",
"hot water",
"hot water heater",
"solar panel",
"solar power"
] | It’s 2024, and there’s no getting around it. Grid energy is expensive. [Darrell] realized that a lot of his money was going on water heating, and he came up with a neat solution. What if he could hack in some solar power to slash his bills at a minimum of fuss? It worked so well for him,
he’s whipped up a calculator to... | 41 | 12 | [
{
"comment_id": "7986920",
"author": "Andrew",
"timestamp": "2024-09-06T23:49:33",
"content": "Nice! Now use solar electricity to power a heat-pump hot water heater and multiply the benefits.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7988027",
"... | 1,760,371,798.360315 | ||
https://hackaday.com/2024/09/08/2024-tiny-games-contest-an-epic-minimalist-entertainment-system-indeed/ | 2024 Tiny Games Contest: An Epic Minimalist Entertainment System, Indeed | Kristina Panos | [
"ATtiny Hacks",
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"attiny10",
"GPD340"
] | One way to keep things tiny is to make a system with cartridges where the brain lives on each cartridge instead of the platform itself. [Michael]’s
Epic Minimalist Entertainment System (EMES)
is one of those, and boy, is it tiny. EMES makes use of the ATtiny10, and they don’t get much AT-tinier than that.
This nearly m... | 2 | 1 | [
{
"comment_id": "8023574",
"author": "Ridokilos",
"timestamp": "2024-09-09T21:17:33",
"content": "This is the first time I’ve seen the word “lilliputian”, which my phone’s auto correct seems to indicate has the core of “lilliput” (a fictional small land according to an online dictionary), which indi... | 1,760,371,798.814452 | ||
https://hackaday.com/2024/09/08/repairing-a-hallicrafters-s-120/ | Repairing A Hallicrafters S-120 | Al Williams | [
"Radio Hacks",
"Repair Hacks",
"Teardown"
] | [
"Hallicrafters",
"vintage radio"
] | [MIKROWAVE1] claims he’s not a radio repair guy, but he agreed to look at a malfunctioning Hallicrafters S-120 shortwave receiver. He lets
us watch as he tries to get it in shape
in the video below. You’ll see that one of his subscribers had done a great job restoring the radio, but it just didn’t work well.
Everything... | 2 | 1 | [
{
"comment_id": "8023025",
"author": "Bill",
"timestamp": "2024-09-09T19:16:39",
"content": "When I was a kid I was handed down a 1950 era Hallicrafters receiver from my dad who bought it, I believe, at an Air Force PX. It was a pretty basic set with AM and A beat frequency oscillator which worked ... | 1,760,371,798.861336 | ||
https://hackaday.com/2024/09/08/the-hidden-crystal-method/ | The Hidden Crystal Method | Adam Fabio | [
"Retrocomputing"
] | [] | Ever been working on a project and get stuck on one of those last little details? That’s what happened to [Empire of Scrap]. He’s building an
Ohio Scientific (OSI) superboard II replica
. He wants it to be accurate down to the dates on the chips. It is quite an impressive build. The problem is the crystal. OSI used ... | 25 | 9 | [
{
"comment_id": "8005068",
"author": "Peter",
"timestamp": "2024-09-08T08:12:30",
"content": "I suffer from CDO….. that’s OCD with the letters in the right order😂",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8008886",
"author": "The Commenter Form... | 1,760,371,798.453714 | ||
https://hackaday.com/2024/09/07/how-hot-is-that-soldering-iron/ | How Hot Is That Soldering Iron? | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"soldering iron",
"temperature",
"thermocouple"
] | It is common these days to have a soldering iron where you can set the temperature using some sort of digital control. But how accurate is it? Probably pretty accurate, but [TheHWCave] picked up a vintage instrument on eBay that was made to
read soldering iron temperature
. You can see the video below, which includes a... | 8 | 5 | [
{
"comment_id": "8004910",
"author": "arcturus",
"timestamp": "2024-09-08T07:57:42",
"content": "I’ve got a meter very similar to this one. The box is grey, and the probe is just sticking out the front of the box. I think it was unbranded or at least another brand. Grabbed it along with a nice Tektr... | 1,760,371,798.49668 |
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