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https://hackaday.com/2021/12/27/first-hacks-the-brand-new-nokia-5g-gateway-router/ | First Hacks: The Brand New Nokia 5G Gateway Router | Jenny List | [
"Cellphone Hacks",
"Network Hacks"
] | [
"5g",
"fastmile",
"nokia"
] | Aside from being the focus of a series of bizarre conspiracy theories, 5G cellular networks offer the promise of ultra-fast Internet access anywhere within their range. To that end there are a new breed of devices designed to provide home broadband using 5G as a backhaul. It’s one of these, a Nokia Fastmile, that [Eddi... | 29 | 13 | [
{
"comment_id": "6409954",
"author": "ian 42",
"timestamp": "2021-12-27T12:26:49",
"content": "I seem to recollect that there was the same conspiracy for 4G, 3G, 2G. There is just something in the human condition that wants to invent a powerful group of people who want to do you in – and you have to... | 1,760,372,842.000784 | ||
https://hackaday.com/2021/12/27/diving-the-depths-of-ma-bell/ | Diving The Depths Of Ma Bell | Matthew Carlson | [
"Cellphone Hacks"
] | [
"att",
"sim card",
"sms",
"wireshark"
] | The modern smartphone is a marvel of sensors, radios, inputs, outputs, and processing power. In particular, some of those radios, such as WiFi and cellular, have grown fiendishly complex over the years. Even when that complexity is compressed down for the user into the one-dimensional space of the signal strength bars ... | 13 | 6 | [
{
"comment_id": "6409984",
"author": "ScriptGiddy",
"timestamp": "2021-12-27T14:31:55",
"content": "SIMs can send sms!? That seems….nasty",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410010",
"author": "Gravis",
"timestamp": "2021-12-27T15... | 1,760,372,841.934892 | ||
https://hackaday.com/2021/12/26/maximum-throughput-benchie/ | Maximum Throughput Benchie | Matthew Carlson | [
"3d Printer hacks"
] | [
"Benchy",
"hot end",
"joetz",
"speedboatrace"
] | Have you ever needed to make a few hundred of something quickly? [Roetz 4.0] has got you covered with
his massively parallel entry into the SpeedBoatRace competition
.
The idea behind the SpeedBoatRace is how quickly you can print a Benchy — the little boat that is used as a test print for a 3d printer. Speeding up a p... | 8 | 5 | [
{
"comment_id": "6409905",
"author": "mre",
"timestamp": "2021-12-27T06:10:43",
"content": "I think you mean DEcreasing latency",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409997",
"author": "DougM",
"timestamp": "2021-12-27T15:12:55",
"content... | 1,760,372,841.575038 | ||
https://hackaday.com/2021/12/26/belgian-railway-time-for-your-home/ | Belgian Railway Time For Your Home | Jenny List | [
"clock hacks"
] | [
"ESP8266",
"station clock",
"two face clock"
] | Some of the 20th century’s most iconic design and typography came to us through public signage in the various national railways of Europe. Were you to think of a Modernist clock face for example, the chances are that the prototype for your image hangs somewhere in one of the continent’s great railway terminals. If you ... | 9 | 6 | [
{
"comment_id": "6409883",
"author": "Col. Panek",
"timestamp": "2021-12-27T03:12:57",
"content": "Goed werk, Jan. Zalig Kerstfeest!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409915",
"author": "Bruno",
"timestamp": "2021-12-27T08:12:01",
"co... | 1,760,372,841.723845 | ||
https://hackaday.com/2021/12/26/hackaday-links-december-26-2021/ | Hackaday Links: December 26, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"decimation",
"dongle",
"ESA",
"ExoMars",
"hackaday links",
"james webb space telescope",
"jwst",
"kill cord",
"low poly",
"mars",
"nasa",
"organic",
"Perseverance",
"rigol",
"screen capture",
"usb"
] | At the time of this writing,
the James Webb Space Telescope was perched upon its ride to space
, ready for its much-delayed launch from the ESA spaceport in French Guiana. The $10 billion space observatory suffered one final delay (knocks on wood) when
predictions of high winds aloft
pushed it back from a Christmas Eve... | 11 | 4 | [
{
"comment_id": "6409886",
"author": "Old Guy",
"timestamp": "2021-12-27T03:24:57",
"content": "About the BusKill… I’ve spent a half hour trying to figure out what I’ve missed.The kit appears to be a generic extension cable with a commodity magnetic disconnect on one end, and an “APP” that detects ... | 1,760,372,841.625272 | ||
https://hackaday.com/2021/12/26/planning-custom-aluminum-enclosures-with-openscad/ | Planning Custom Aluminum Enclosures With OpenSCAD | Tom Nardi | [
"Parts",
"Software Hacks"
] | [
"custom enclosure",
"enclosure",
"metalworking",
"openscad"
] | We’ve seen a number of projects over the years that let you create custom enclosures using OpenSCAD, and for good reason. The parametric CAD tool is ideal for generating 3D models based on user-adjustable variables, and if you leverage its integrated Customizer, producing a bespoke box is as easy as moving some sliders... | 20 | 4 | [
{
"comment_id": "6409849",
"author": "Andrew",
"timestamp": "2021-12-26T23:12:35",
"content": "OpenSCAD FTW!I used it to plan the deck at the back of the house. If only cutting and screwing the decking was as easy as a for… loop.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,841.825376 | ||
https://hackaday.com/2021/12/26/6502-goes-fpga-again/ | 6502 Goes FPGA (Again) | Al Williams | [
"FPGA",
"Retrocomputing"
] | [
"6502",
"fpga",
"vivado",
"xilinx"
] | While there has been no shortage of FPGA-based recreations of classic processors, we always enjoy seeing a new approach. Last month [Some Assembly Required] took on the challenge to recreate a classic computer from the ground up and started with a 6502 implementation in Verilog. You can see in the second video below th... | 35 | 6 | [
{
"comment_id": "6409825",
"author": "Michael Black",
"timestamp": "2021-12-26T21:01:15",
"content": "One of the shift functions was missing from the 6502 originally. There was a workaround, I think I saw it in Dr. Dobbs. A check says the ROR had a bug, so Mos Technology acted like it didn’t exist.... | 1,760,372,841.530925 | ||
https://hackaday.com/2021/12/26/bios-flashing-journey-writeup-puts-tutorials-to-shame/ | BIOS Flashing Journey Writeup Puts Tutorials To Shame | Arya Voronova | [
"computer hacks",
"Repair Hacks"
] | [
"bios",
"CH341",
"CH341A",
"motherboard",
"Ryzen"
] | A couple of weeks ago, [Doug Brown] bought a Ryzen motherboard, advertised as “non-working” and discounted accordingly. He noticed that the seller didn’t test it with any CPUs old enough to be supported by the board’s stock BIOS revision,
and decided to take a gamble with upgrading it
.
Not having a supported CPU in ha... | 18 | 9 | [
{
"comment_id": "6409794",
"author": "tekkieneet",
"timestamp": "2021-12-26T16:15:08",
"content": ">It consists of an AMS1117 linear regulator to create a 1.8V power rail from 3.3V, a few capacitors (I’m curious if an electrolytic cap should be on there too)Unfortunately they have ceramic cap for th... | 1,760,372,841.678027 | ||
https://hackaday.com/2021/12/26/realtime-shadows-on-n64-hardware/ | Realtime Shadows On N64 Hardware | Maya Posch | [
"News"
] | [
"dynamic lighting",
"n64",
"nintendo 64",
"shadow volume"
] | Although the Nintendo 64 console has in the minds of many been relegated to the era of ‘firmly obsolete graphics’, since its graphic processor’s (GPU’s) lineage traces directly to the best which SGI had to offer in the 1990s, it too supports a range of modern features, including dynamic shadows. In a
simple demo
, [lam... | 22 | 6 | [
{
"comment_id": "6409767",
"author": "Foldi-One",
"timestamp": "2021-12-26T12:27:37",
"content": "I think we have reached the stage where it doesn’t matter how much time passes graphics have gotten about as good as a human eye can perceive (for those titles that have really good graphics by today’s ... | 1,760,372,841.883131 | ||
https://hackaday.com/2021/12/26/seoul-introduces-self-driving-taxis/ | Seoul Introduces Self-Driving Taxis | Chris Lott | [
"News"
] | [
"autonomous vehicle",
"self-driving vehicle",
"seoul",
"south korea"
] | Last year the Seoul city government passed an ordinance enabling the commercial operation of autonomous passenger-carrying vehicles. A six square kilometer region in the Seoul neighborhood of Sangam, near the 2002 World Cup Stadium, was designated as a pilot program test bed. This area encompasses 24 streets totaling 3... | 15 | 6 | [
{
"comment_id": "6409765",
"author": "Erik van Baarle",
"timestamp": "2021-12-26T12:03:51",
"content": "please correct ‘a keynote presentation at the 2021 Hackaday Remoticon ‘ as this was at the 2020 Remoticon",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,841.768538 | ||
https://hackaday.com/2021/12/25/diy-high-flow-3d-printing/ | DIY High Flow 3D Printing | Al Williams | [
"3d Printer hacks"
] | [] | Sometimes we’re impressed by the sheer audacity of a project. [Stefan] rarely disappoints in that area, and his latest video shows him
making an adapter to convert a normal 3D printed nozzle into a high-flow nozzle
, similar to one you’d find on a Volcano. We say similar because [Stefan] took the trouble to drill three... | 5 | 1 | [
{
"comment_id": "6409753",
"author": "Gregg Eshelman",
"timestamp": "2021-12-26T09:55:36",
"content": "One problem with these nozzles, won’t be doing a cold pull to clear a clog.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409755",
"author": "Kal... | 1,760,372,842.157267 | ||
https://hackaday.com/2021/12/25/cast-your-own-holiday-chocolate-bunny-or-rather-mouse/ | Cast Your Own Holiday Chocolate Bunny, Or Rather Mouse | Matthew Carlson | [
"cooking hacks"
] | [
"3d printed",
"chocolate",
"pikachu",
"vacuum formed"
] | The art of forming and using a mold is, well, an art. The already tricky process would be made even harder by using a fickle material, like chocolate. This is exactly where [Alexandre Chappel] found himself as he
tried to cast his own chocolate figurines.
The starting point was a 3D low-poly model of everyone’s favorit... | 5 | 3 | [
{
"comment_id": "6409728",
"author": "Eric Chapin",
"timestamp": "2021-12-26T04:14:06",
"content": "That “low polygon count” Pikachu looks like one of his parent is a Porygon…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409848",
"author": "helge"... | 1,760,372,842.19422 | ||
https://hackaday.com/2021/12/25/mico-is-a-usb-microphone-based-on-a-pi-pico/ | Mico Is A USB Microphone Based On A Pi Pico | Robin Kearey | [
"digital audio hacks",
"Microcontrollers"
] | [
"MEMS microphones",
"Raspberry Pi Pico",
"rp2040",
"USB microphone"
] | When [Mahesh Venkitachalam] was experimenting with machine learning for audio applications on a Raspberry Pi, he found himself looking for a simple USB microphone. A cheap one was easy to find, but the sound quality and directionality left much to be desired. A large, studio-quality mic would be overkill, so [Mahesh] d... | 20 | 10 | [
{
"comment_id": "6409729",
"author": "[EGO]",
"timestamp": "2021-12-26T04:29:15",
"content": "Nice. Very slick.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409732",
"author": "weasel5i2",
"timestamp": "2021-12-26T04:50:22",
"content": "Fantasti... | 1,760,372,842.288085 | ||
https://hackaday.com/2021/12/25/3d-printing-gets-tiny/ | 3D Printing Gets Tiny | Al Williams | [
"3d Printer hacks",
"chemistry hacks",
"Science"
] | [
"3d printing",
"electroplating",
"nanotechnology"
] | Using a process akin to electroplating, researchers at the University of Oldenburg have 3D printed structures at the 25 nanometer scale. A human hair, of course, is thousands of time thicker than that. The working medium was a copper salt and a very tiny nozzle. How tiny? As small as 1.6 nanometers. That’s big enough f... | 6 | 2 | [
{
"comment_id": "6409702",
"author": "CityZen",
"timestamp": "2021-12-25T23:02:34",
"content": "Where’s the Benchy? :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409719",
"author": "Gravis",
"timestamp": "2021-12-26T02:45:36",
"... | 1,760,372,842.236903 | ||
https://hackaday.com/2021/12/25/mini-linear-actuators-from-dvd-drive-parts/ | Mini Linear Actuators From DVD Drive Parts | Jenny List | [
"cnc hacks",
"News"
] | [
"3d print",
"cd drive",
"linear actuator"
] | For many years now a source for some of the smallest and cheapest home made CNC mechanisms has been the seemingly never-ending supply of surplus CD and DVD-ROM drives. The linear actuator that moves the laser may not be the longest or the strongest, but it’s free, and we’ve seen plenty of little X-Y tables using CD dri... | 11 | 5 | [
{
"comment_id": "6409695",
"author": "Paul McClay",
"timestamp": "2021-12-25T22:08:07",
"content": "Neat.From thingiverse Nemo404 has a link to V2 with limit switches & a load test:https://youtu.be/_XdJ7rqTPUwLifts 342g<m<440g.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,842.862645 | ||
https://hackaday.com/2021/12/25/blender-no-grinder/ | Blender? No, Grinder | Elliot Williams | [
"classic hacks"
] | [
"blender",
"diy",
"dremel",
"rotary tool"
] | [Leandro Felipe] is no stranger to the dirty hack, and
this video of his conversion of a blender into a handheld rotary grinding tool
is no exception. (Embedded below.) But the end result is something pretty useful — a lighter and more maneuverable rotary grinder that’s got a lot more grunt to boot.
(The video is in Po... | 12 | 7 | [
{
"comment_id": "6409662",
"author": "iresgo",
"timestamp": "2021-12-25T15:35:51",
"content": "Keep in mind that using grindr can sometimes be a dirty business. It’s a good idea to wear protection.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409665",
"... | 1,760,372,842.542764 | ||
https://hackaday.com/2021/12/25/3d-prints-with-a-mirror-finish/ | 3D Prints With A Mirror Finish | Matthew Carlson | [
"3d Printer hacks"
] | [
"3d printed",
"Benchy",
"mirror",
"silvering"
] | As anyone who has used a 3D printer before knows, what comes off the bed of your regular FSD printer is by no means a mirror finish. There are layers in the print simply by the nature of the technology itself, and the transitions between layers will never be smooth. In addition, printers can use different technology fo... | 15 | 4 | [
{
"comment_id": "6409650",
"author": "doragasu",
"timestamp": "2021-12-25T12:26:10",
"content": "Surface finish is astonishing, but… too much work. I will continue with the traditional ABS + acetone vapors",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64096... | 1,760,372,842.634114 | ||
https://hackaday.com/2021/12/25/do-you-need-a-cycloidal-drive/ | Do You Need A Cycloidal Drive? | Elliot Williams | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3D CAD",
"3d printed",
"3D printed gears",
"cycloidal drive",
"cycloidal gearbox",
"gear"
] | A cycloidal gear drive is one of the most mesmerizing reduction gears to watch when it is running, but it’s not all just eye-candy. Cycloidals give decent gearing, are relatively compact and back-drivable, and have low backlash and high efficiency. You probably want one in the shoulder of your robot arm, for instance.
... | 10 | 8 | [
{
"comment_id": "6409645",
"author": "egnm",
"timestamp": "2021-12-25T12:01:27",
"content": ">The video is partly an ad for SolidWorksThanks for mentioning it, I think I’ll pass on watching the video then.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64097... | 1,760,372,842.588683 | ||
https://hackaday.com/2021/12/24/hacking-film-processing-with-coffee/ | Hacking Film Processing With Coffee | Al Williams | [
"chemistry hacks"
] | [
"darkroom",
"developing",
"film",
"photography"
] | Years ago, doing your own darkroom work was the only way to really control what your pictures looked like. In those days, coffee was what kept you going while you mixed another batch of noxious chemicals in the dark and fumbled to load a tank reel by feel. But did you know that you can process black and white film with... | 31 | 12 | [
{
"comment_id": "6409620",
"author": "Amiable Ninja",
"timestamp": "2021-12-25T06:55:15",
"content": "The chemicals used in film processing are hardly “noxious”. I learned that as a kid. You learn it too, won’t you?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,372,842.820462 | ||
https://hackaday.com/2021/12/24/a-cmos-ring-modulator-pedal/ | A CMOS Ring Modulator Pedal | Jenny List | [
"Musical Hacks"
] | [
"4000 series logic",
"cmos",
"ring modulator"
] | Earlier this year, we featured an unusual radio receiver that took the very traditional superhetrodyne design and implemented it in an unexpected fashion without any inductors, using instead a combination of 74HC logic chips and op-amps. Its designer [acidbourbon] remarks that the circuit bears a striking resemblance t... | 9 | 7 | [
{
"comment_id": "6409614",
"author": "spooky",
"timestamp": "2021-12-25T04:55:02",
"content": "Brother man… this was beautiful. *stands**claps and doesn’t stop*",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409757",
"author": "acidbourbon",
... | 1,760,372,842.755987 | ||
https://hackaday.com/2021/12/24/tiny-3d-printed-magnets-show-patterns/ | Tiny 3D Printed Magnets Show Patterns | Al Williams | [
"Science"
] | [
"magnetic field",
"magnets",
"racetrack memory"
] | You normally associate a double helix with DNA, but an international team headquartered at Cambridge University used 3D printing to create
magnetic double helixes
that are about a 1,000 times smaller than a human hair. Why do such a thing? We aren’t sure why they started, but they were able to find nanoscale topologica... | 11 | 3 | [
{
"comment_id": "6409616",
"author": "Daniel",
"timestamp": "2021-12-25T05:09:58",
"content": "Is this an article from the past? Don’t we already have 32GB of RAM and terabytes of storage?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409617",
"aut... | 1,760,372,842.909755 | ||
https://hackaday.com/2021/12/24/when-hacking-and-biosensing-collide/ | When Hacking And Biosensing Collide | Elliot Williams | [
"chemistry hacks",
"Science"
] | [
"3d printing",
"biology",
"blu-ray",
"hack",
"nanoscale"
] | [Prof. Edwin Hwu] of the Technical University of Denmark wrote in with a call for contributions to special edition of the open-access scientific journal
Biosensors
. Along the way, he linked in videos from three talks that he’s given on hacking consumer electronics gear for biosensing and nano-scale printing. Many of t... | 2 | 2 | [
{
"comment_id": "6409575",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-24T22:30:15",
"content": "No Blue Ray devices in this household.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409608",
"author": "Rumble_in_the_Jungle",
... | 1,760,372,842.981777 | ||
https://hackaday.com/2021/12/24/santas-beard-combing-robot/ | Santa’s Beard-Combing Robot | Elliot Williams | [
"Holiday Hacks"
] | [
"beard",
"christmas",
"shitty robot"
] | Working all year long, herding elves and fabricating toys for all the good boys and girls; it takes dedication. It’s only natural that one could fall behind in beard care, right? This year, [Norbert Zare] saves Christmas with
his beard-combing robot
.
OK, this is much more of a shitty robot in the [Simone Giertz]
schoo... | 5 | 4 | [
{
"comment_id": "6409552",
"author": "Alysson+Rowan",
"timestamp": "2021-12-24T20:47:28",
"content": "Fabricating Elves and herding toys, surely?A lovely, fun project for all the weirdy beardies out here in Hackerland.Merry Christmas, all.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,842.945673 | ||
https://hackaday.com/2021/12/24/hackaday-podcast-super-short-holiday-edition/ | Hackaday Podcast Super-Short Holiday Edition | Elliot Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast",
"holidays"
] | It’s a holiday weekend, and the Podcast is taking a break until 2022. But that can’t stop Hackaday’s Elliot Williams from giving out a t-shirt to the winner of last week’s What’s That Sound.
It’s the shortest Podcast ever!
Direct download
(5 MB)
Where to Follow Hackaday Podcast
Places to follow Hackaday podcasts:
iTune... | 2 | 1 | [
{
"comment_id": "6410750",
"author": "Marcel",
"timestamp": "2021-12-30T20:49:06",
"content": "The direct download link is to the wrong episode",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6412621",
"author": "Elliot Williams",
"timestamp":... | 1,760,372,843.015643 | ||
https://hackaday.com/2021/12/24/the-legend-of-zelda-decompiled/ | The Legend Of Zelda: Decompiled | Bryan Cockfield | [
"Games"
] | [
"c++",
"compiler",
"decompile",
"decompiler",
"n64",
"nintendo",
"ocarina of time",
"source code",
"zelda"
] | Keeping source code to programs closed is something that is generally frowned upon here for plenty of reasons. Closed source code is less secure and less customizable, but unfortunately we won’t be able to convince everyone of the merits of open source code any time soon. On the other hand, it is possible to decompile ... | 13 | 6 | [
{
"comment_id": "6409459",
"author": "Daid",
"timestamp": "2021-12-24T15:18:37",
"content": "While amazing work on it so far. The headline on the MVG title is just plain wrong. It’s only partially done, and stuff could still break if code is moved around (called “shiftability”)Note that there is wor... | 1,760,372,843.148371 | ||
https://hackaday.com/2021/12/24/peltier-snow-globe-features-snowman-who-dresses-himself-in-real-frost/ | Peltier Snow Globe Features Snowman Who Dresses Himself In Real Frost | Dan Maloney | [
"Holiday Hacks"
] | [
"christmas",
"cloud chamber",
"frost",
"isopropyl alcohol",
"peltier",
"snow",
"snow globem IPA",
"thermoelectric"
] | We doubt that few of us ever thought that snow globes contain real snow, but now that we’ve seen
a snow globe that makes its own snow
, we have to admit the water-filled holiday decorating mainstay looks a little disappointing.
Like a lot of the Christmas decorations [Sean Hodgins] has come up with over the years, this... | 22 | 11 | [
{
"comment_id": "6409422",
"author": "John",
"timestamp": "2021-12-24T12:23:54",
"content": "Ice hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409423",
"author": "Doug Leppard",
"timestamp": "2021-12-24T12:42:47",
"content": "Love the drama... | 1,760,372,843.247051 | ||
https://hackaday.com/2021/12/24/flybrainlab-google-earth-but-for-a-drosophila-flys-brain/ | FlyBrainLab: Google Earth But For A Drosophila Fly’s Brain | Maya Posch | [
"News",
"Science"
] | [
"drosophila melanogaster",
"FlyBrainLab",
"FlyEM"
] | In biology there are a couple of truly crucial model animals and insects. Not that they’re particularly good students, or pick up their own trash, but in the sense that they have become standard model organisms for research. Aside from genetic research, the
FlyEM
project seeks to fully map a little fly’s brain’s neural... | 6 | 4 | [
{
"comment_id": "6409439",
"author": "Stickboy",
"timestamp": "2021-12-24T14:04:52",
"content": "Cool but the genus should always be capitalized…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409715",
"author": "The Commenter Formerly Known As Ren"... | 1,760,372,843.185274 | ||
https://hackaday.com/2021/12/23/how-to-get-into-cars-e85-fuel/ | How To Get Into Cars: E85 Fuel | Lewin Day | [
"car hacks",
"Hackaday Columns",
"Slider"
] | [
"biofuel",
"biofuels",
"car hacks",
"cars",
"e85",
"ethanol",
"ethanol fuel"
] | If you’ve spent any time around the modified car scene in the last few years,
you’ve probably heard about E85.
Maybe you’ve even noticed a sweet smell emanating from the pitlane, or heard people cracking jokes about “corn juice.”
The blended fuel, which combines alcohol and traditional gasoline, can have significant pe... | 33 | 13 | [
{
"comment_id": "6409233",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-23T17:07:43",
"content": "Around here (Southern Minnesota), E-85 is lower priced due to government lower taxes and alt-fuel subsidies.I would buy it for the cost savings alone (I currently use E-15, 88 ... | 1,760,372,843.498734 | ||
https://hackaday.com/2021/12/23/back-to-back-belts-drive-filament-in-this-unique-extruder-design/ | Back-to-Back Belts Drive Filament In This Unique Extruder Design | Dan Maloney | [
"3d Printer hacks"
] | [
"bowden",
"extruder",
"filament",
"printer",
"sla",
"stepper",
"timing belt",
"timing gear"
] | It’s hard to say when inspiration will strike, or what form it’ll take. But we do know that when you get that itch, it’s a good idea to scratch it, because you might just end up with something like
this cool new design for a 3D printer extruder
as a result.
Clearly, the world is not screaming out for new extruder desig... | 18 | 10 | [
{
"comment_id": "6409195",
"author": "robobobo",
"timestamp": "2021-12-23T12:21:20",
"content": "seen this type on thingiverse before so definitively not a novel new design. always nice to see people revisiting older designs though.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,843.552223 | ||
https://hackaday.com/2021/12/23/a-simple-3d-printed-gear-clock-shows-off-how-it-works/ | A Simple 3D Printed Gear Clock Shows Off How It Works | Lewin Day | [
"clock hacks"
] | [
"clock",
"gear clock"
] | Analog clocks are beautiful things inside, using ornate gear trains to keep track of time in a dance of mechanical beauty. However, all too often, the complexity is hidden inside.
This gear clock design from [Tada3], however, proudly shows off its workings
.
A small stepper motor is used to run the clock’s movement, a ... | 15 | 8 | [
{
"comment_id": "6409186",
"author": "none",
"timestamp": "2021-12-23T10:37:45",
"content": "> a compelling way … that is more interestingLOL",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409202",
"author": "RES",
"timestamp": "2021-12-23T13:00:49",
... | 1,760,372,843.601807 | ||
https://hackaday.com/2021/12/22/experiments-with-a-nernst-lamp/ | Experiments With A Nernst Lamp | Al Williams | [
"Misc Hacks"
] | [
"electricity",
"lamp",
"nernst lamp"
] | Every biography of Edison talks about how the secret to the incandescent lamp was to remove the air from the bulb. That’s true when you use conventional filaments, but a man named Nernst found that using a filament that was already oxidized would allow you to create a lamp that would operate fine in the normal atmosphe... | 14 | 9 | [
{
"comment_id": "6409161",
"author": "Jamesyyy",
"timestamp": "2021-12-23T06:18:34",
"content": "Do we as a community need to promote hoax and disinformation channels?This guys channel has videos about “psychotronics”, “antigravity”, etc.….",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,843.698217 | ||
https://hackaday.com/2021/12/22/new-holographic-display-hacks-the-light-field/ | New Holographic Display Hacks The Light Field | Al Williams | [
"News"
] | [
"3d display",
"hologram"
] | [Petapixel] has an interesting post about a startup company’s new
holographic display
that claims to be “indistinguishable from reality.” The company behind it,
Light Field Labs
, claims their system requires no glasses and handles different angles.
You can see a bit in the [C|Net] video below, but — of course — being ... | 27 | 11 | [
{
"comment_id": "6409130",
"author": "Feinfinger (with diabolic laughter)",
"timestamp": "2021-12-23T03:27:32",
"content": "Next time you bump into someone on the road, “Sorry! I expected you to be a holo-avatar!” is a plausible excuse?Deep fake goes 3D?Scary times!",
"parent_id": null,
"de... | 1,760,372,843.756198 | ||
https://hackaday.com/2021/12/22/frame-antenna-works-the-low-bands/ | Frame Antenna Works The Low Bands | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"frame antenna",
"ham radio",
"loop antenna"
] | The lower the frequency of radio transmission, the more antenna that will be needed in general. [OM0ET] wanted to work the 80M to 20M ham bands and decided to turn to a
frame antenna
. You can see the project in the video below.
The antenna looks a lot like a magnetic loop antenna. The one in the video has seven loops ... | 10 | 4 | [
{
"comment_id": "6409151",
"author": "echodelta",
"timestamp": "2021-12-23T05:19:36",
"content": "I assume this is receive only. If for transmitting there can be hundreds of volts across the tuning cap. Danger if used indoors where contact with tuning cap is possible.These loops are great for AM-MW ... | 1,760,372,843.799869 | ||
https://hackaday.com/2021/12/22/turbocharger-jet-engine-relies-on-wood-pellet-ignition/ | Turbocharger Jet Engine Relies On Wood Pellet Ignition | Lewin Day | [
"Engine Hacks"
] | [
"jet engine",
"turbo",
"turbocharger",
"turbojet"
] | Turbochargers as used on cars bear some similarities with jet engines. Fundamentally, both contain a turbine that harvests energy from hot gas, using it to spin a compressor which sucks in fresh air for combustion. Thus, turning a turbocharger into a jet engine is entirely possible,
and [HRom] decided to have a crack a... | 14 | 6 | [
{
"comment_id": "6409081",
"author": "Syd",
"timestamp": "2021-12-22T21:27:37",
"content": "I think it was wise of him to go hide behind the truck – but it was definitely exciting as a first try… WOW",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409086",
... | 1,760,372,843.650912 | ||
https://hackaday.com/2021/12/23/ring-in-the-new-year-with-diy-bagpipes/ | Ring In The New Year With DIY Bagpipes | Kristina Panos | [
"Musical Hacks"
] | [
"bagpipes",
"latex gloves",
"musical instrument",
"straw"
] | Remember early on in the pandemic when people would don protection just short of a full hazmat suit to go out, and wore rubber gloves to the grocery store? Was that just us? The point is, we are surely not alone in having an excess of latex gloves left over, and pitifully few uses for them aside from the usual — gross ... | 14 | 9 | [
{
"comment_id": "6409381",
"author": "CRJEEA",
"timestamp": "2021-12-24T06:41:13",
"content": "Sounds awful, just like the real thing. (;Think I’ll stick to my plastic bottle ocarina.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409417",
"author":... | 1,760,372,843.934003 | ||
https://hackaday.com/2021/12/23/lisp-in-436-bytes/ | Lisp In 436 Bytes | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"bootsector",
"lisp",
"sectorlisp"
] | You would assume that any programming language available back in the 1960s would be small enough to easily implement on today’s computers. That’s not always true though, since old languages sometimes used multiple passes. But in some cases, you can implement what would have been a full language decades ago in a tiny fo... | 26 | 12 | [
{
"comment_id": "6409345",
"author": "dave",
"timestamp": "2021-12-24T03:14:18",
"content": "Change it to a .COM file and you can ditch the first six bytes since cs=ds=es=ss in assumptions.Your welcome.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409363"... | 1,760,372,844.059988 | ||
https://hackaday.com/2021/12/23/fixing-a-freezer-design-flaw-with-a-little-bit-of-heat/ | Fixing A Freezer Design Flaw With A Little Bit Of Heat | Maya Posch | [
"Tech Hacks"
] | [
"freezer"
] | As a shining example of the law of unintended consequences, [Lou] demonstrates how certain types of freezer/refrigerator combinations fail to work in a cold environment, such as a garage during the winter. As [Lou] points out
in his video
(also linked after the break) – using the freezer unit in his own garage – the pr... | 41 | 18 | [
{
"comment_id": "6409313",
"author": "Nathan",
"timestamp": "2021-12-24T00:13:39",
"content": "Is that ice cream the southern butter pecan? That stuff is really tasty.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6409316",
"author": "irox",
"timestam... | 1,760,372,844.0059 | ||
https://hackaday.com/2021/12/23/ws2182s-on-a-6502/ | WS2812s On A 6502 | Elliot Williams | [
"LED Hacks",
"Microcontrollers",
"Retrocomputing"
] | [
"6502",
"apple II",
"neopixel",
"retrocomputing",
"ws2812"
] | We can still remember when the WS2812 LED first came into our consciousness, way back in the mists of time. The timing diagrams in the datasheet-of-questionable-veracity made it sound quite tricky, with tight timing tolerances and essentially a high-speed two-bit PWM data protocol at 500 kHz. It was a challenge to bit-... | 40 | 10 | [
{
"comment_id": "6409275",
"author": "Greg A",
"timestamp": "2021-12-23T21:35:04",
"content": "i don’t understand “a challenge to bit-bang with an attiny85”, it’s either possible or it isn’t? is this a reference to the extreme poverty of i/o peripherals on attiny (vs pic)?",
"parent_id": null,
... | 1,760,372,844.140508 | ||
https://hackaday.com/2021/12/23/simple-upgrades-make-an-old-industrial-sewing-machine-new-again/ | Simple Upgrades Make An Old Industrial Sewing Machine New Again | Kristina Panos | [
"Tool Hacks"
] | [
"brushless DC motor",
"clutch motor",
"industrial sewing machine",
"led light",
"servo motor",
"sewing machine"
] | Well, this is a pleasant surprise: it seems that industrial designer [Eric Strebel] recently got a hold of an industrial sewing machine to tackle the softer side of prototyping. What doesn’t surprise us is that
he did some upgrades to make it more user-friendly
. Check them out in the video embedded below.
So, what’s t... | 30 | 8 | [
{
"comment_id": "6409269",
"author": "Shirley Marquez",
"timestamp": "2021-12-23T20:44:15",
"content": "A few early electric sewing machines were controlled by a thigh pedal instead of a foot pedal. You pressed your leg out against it to turn on the machine. Those were mostly found on machines that ... | 1,760,372,844.204992 | ||
https://hackaday.com/2021/12/23/keynote-video-jeremy-fielding-wants-to-help-you-get-moving/ | Keynote Video: Jeremy Fielding Wants To Help You Get Moving | Tom Nardi | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2021 Hackaday Remoticon",
"gearbox",
"Jeremy Fielding",
"linkages",
"mechanical design",
"motor",
"prototyping"
] | For many DIY hardware projects, the most movement it’s likely to see is when we pick the assembled unit up off the workbench and carry it to wherever it’s destined to spend the rest of its functional life. From weather sensors to smart mirrors, there’s a huge array of devices that don’t need to move one millimeter to f... | 7 | 5 | [
{
"comment_id": "6409253",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-23T19:19:53",
"content": "I don’t want to sound ungrateful, but is Rob Weinstein’s talk available?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409282",
... | 1,760,372,844.463549 | ||
https://hackaday.com/2021/12/23/opencv-knows-where-your-hand-is/ | OpenCV Knows Where Your Hand Is | Al Williams | [
"Video Hacks"
] | [
"hand tracking",
"open cv",
"opencv"
] | We have to say, [Murtaza]’s example game in his latest video isn’t very exciting. However, the
OpenCV technique
he uses to track a hand and determine its distance from a single camera is pretty interesting. The demo shows a random button on the screen and you have to use your hand to press the button which then moves s... | 1 | 1 | [
{
"comment_id": "6409317",
"author": "cncFriend",
"timestamp": "2021-12-24T00:41:21",
"content": "Excellent. Just discovered his channelThanks",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,844.285074 | ||
https://hackaday.com/2021/12/22/how-to-forge-a-skillet-from-scratch/ | How To Forge A Skillet From Scratch | Lewin Day | [
"Misc Hacks"
] | [
"blacksmith",
"blacksmithery",
"forge",
"forging"
] | Cookware isn’t something we typically build ourselves; you’d want a well-equipped metal shop to do the job and do it right. [Torbjörn Åhman] has just that, however, and set about
forging a stout-looking skillet from scratch.
The build starts with a round disc of steel serving as a blank for the project. The blank is sp... | 11 | 4 | [
{
"comment_id": "6409078",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-22T21:07:21",
"content": "“A forge is then used to heat the blank so that it can be shaped into a pan using a hammer.”I think [Jenny List] will tell you that a “hearth” is used to heat up the blank. Fo... | 1,760,372,844.25229 | ||
https://hackaday.com/2021/12/22/tech-in-plain-sight-primitive-engineering-materials/ | Tech In Plain Sight: Primitive Engineering Materials | Al Williams | [
"Hackaday Columns",
"History"
] | [
"glass",
"history",
"material science",
"metal",
"plastics",
"prehistory"
] | It isn’t an uncommon science fiction trope for our hero to be in a situation where there is no technology. Maybe she’s back in the past or on a faraway planet. The Professor from Gilligan’s Island comes to mind, too. I’d bet the average Hacakday reader could do pretty well in that kind of situation, but there’s one thi... | 33 | 12 | [
{
"comment_id": "6409033",
"author": "Ingo",
"timestamp": "2021-12-22T18:21:19",
"content": "…ten tons of copper and about a ton of tin. This would be sufficient to create about 11 tons of bronze.I like it!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6409... | 1,760,372,844.57336 | ||
https://hackaday.com/2021/12/22/stencil-vacuum-assist-helps-avoid-the-heartbreak-of-smeared-solder-paste/ | Stencil Vacuum-Assist Helps Avoid The Heartbreak Of Smeared Solder Paste | Dan Maloney | [
"Tool Hacks"
] | [
"jig",
"smd",
"solder paste",
"stencil",
"vacuum"
] | While using a stencil should make solder paste application onto PCBs a simple affair, there are a number of “gotchas” that make it more art than science. Luckily, there are tools you can build, like
this 3D-printed vacuum-assist stencil jig
, that take a little of the finesse out of the process.
For those who haven’t h... | 9 | 5 | [
{
"comment_id": "6409036",
"author": "Alexander Wikström",
"timestamp": "2021-12-22T18:27:03",
"content": "Personally I prefer using a magnetic chuck. The stainless steel stencils are fairly often magnetic and will sit firmly in place and are easy to just peel off without any smearing.Vacuum chucks ... | 1,760,372,844.506744 | ||
https://hackaday.com/2021/12/22/the-dreamcast-legacy/ | The Dreamcast Legacy | Matthew Carlson | [
"Featured",
"Games",
"History",
"Original Art",
"Slider"
] | [
"dreamcast",
"gaming consoles",
"sega"
] | The Dreamcast is a bit of an odd beast. Coming on the heels of the unpopular Sega Saturn, the Dreamcast was meant to be a simple console built with off-the-shelf parts and released in late 1998. The Nintendo 64 was already tough competition (1996). Ultimately, the Dreamcast fell out of the public eye in the early 2000s... | 48 | 21 | [
{
"comment_id": "6408988",
"author": "Steven Clark",
"timestamp": "2021-12-22T15:53:36",
"content": "Sega had this weird problem with the Genesis and Saturn where their console could succeed in Japan or the US but not both. Of course the Genesis having any chance at all in the US probably stems fro... | 1,760,372,844.659128 | ||
https://hackaday.com/2021/12/22/you-can-3d-print-a-working-reciprocating-steam-engine/ | You Can 3D Print A Working Reciprocating Steam Engine | Lewin Day | [
"Engine Hacks"
] | [
"pressure cooker",
"slide valve engine",
"steam engine"
] | 3D prints aren’t typically known for their heat resistance. However, [Integza] noted that using the right techniques, it was possible to 3D print parts that could handle steam heat without failing. Thus, the natural progression from there was to build
a piston-type steam engine.
The sliding valve alternately feeds stea... | 12 | 7 | [
{
"comment_id": "6409019",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-22T17:21:21",
"content": "But water is flammable!(under certain circumstances) B^)https://gizmodo.com/chlorine-trifluoride-the-chemical-that-sets-fire-to-as-1715935811",
"parent_id": null,
"dept... | 1,760,372,844.829377 | ||
https://hackaday.com/2021/12/22/linux-for-the-paranoid-does-the-work-for-you/ | Linux For The Paranoid Does The Work For You | Al Williams | [
"Linux Hacks",
"Security Hacks"
] | [
"anonymity",
"linux",
"linux distro",
"tor",
"vpn"
] | We all know that our activity on the Internet is not that hard to track. It just annoys some people more than others. If you are really hardcore, you’ll learn all the ins and outs of networking to help cover your tracks, but what if you don’t want to invest that kind of time? Maybe, as [TechRepublic] suggests, try
Koda... | 42 | 15 | [
{
"comment_id": "6408936",
"author": "Look At Your Network Traffic FFS",
"timestamp": "2021-12-22T10:05:22",
"content": "It’s amazing people thing randomising your mac address can help with much. About the only thing it’s good for is obfuscating your hardware on a local network (public wifi maybe).... | 1,760,372,844.775953 | ||
https://hackaday.com/2021/12/21/shake-with-your-new-robot-hand/ | Shake With Your New Robot Hand | Al Williams | [
"Robots Hacks"
] | [
"linkage",
"robot",
"robotic",
"robotic hand"
] | Korean researchers have created
a very realistic and capable robot
hand that looks very promising. It is strong (34N of grip strength) and reasonably lightweight (1.1 kg), too. There are several videos of the hand in action, of which you can see two of them below including one where the hand uses scissors to cut some p... | 12 | 6 | [
{
"comment_id": "6408935",
"author": "Sweeney",
"timestamp": "2021-12-22T09:39:17",
"content": "I can’t see this being used on conventional robot arms, to fiddly and complicated (hence expensive to build), but in prosthetics…",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,844.70322 | ||
https://hackaday.com/2021/12/21/laser-sees-through-keyhole/ | Laser Sees Through Keyhole | Al Williams | [
"Laser Hacks",
"Science"
] | [
"Imaging",
"laser",
"nlos imaging"
] | Those guys at Stanford must be watching a lot of James Bond movies. Their latest invention is
a laser that can image an entire room through a keyhole
. We imagine that will show up in a number of spy movies real soon now. You can
see the code
or watch the video below.
The technique is called NLOS or non-line-of-sight i... | 23 | 8 | [
{
"comment_id": "6408884",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-22T03:20:19",
"content": "Cool!That should bring in the government funding!So… is the beam continous? That would make it difficult to read the reflection, I imagine the 3rd reflection is many orders of... | 1,760,372,844.977681 | ||
https://hackaday.com/2021/12/21/bubble-lights-made-from-scratch/ | Bubble Lights Made From Scratch | Lewin Day | [
"Misc Hacks"
] | [
"bubble",
"bubble light",
"light"
] | Bubble lights are mesmerizing things to watch, up there with lava lamps as one of the nicer aesthetic creations of the mid-20th century. [Tech Ingredients] decided to head into the lab to whip up some of their own design, taking things up a notch beyond what you’d typically find in a store.
Bubble lights have a liquid ... | 21 | 7 | [
{
"comment_id": "6408908",
"author": "none",
"timestamp": "2021-12-22T05:35:40",
"content": "> dichloromethane for safetyNasty stuff, not safe",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408919",
"author": "Micha",
"timestamp": "2021-12-2... | 1,760,372,845.028335 | ||
https://hackaday.com/2021/12/21/make-your-own-chain-link-fencing/ | Make Your Own Chain Link Fencing | Lewin Day | [
"Tool Hacks"
] | [
"chain link",
"chain link fence",
"chain link fencing",
"forming tool"
] | If you find yourself in need of chain link fencing, you’d probably just head down to the hardware store. However, [The Q] has shown us that you can make your own at home
with a simple machine.
The build starts with a length of pipe, into which spiral slots are cut with an angle grinder. This pipe is the forming tool wh... | 22 | 6 | [
{
"comment_id": "6408873",
"author": "Brian W",
"timestamp": "2021-12-22T00:20:37",
"content": "Woah. I’m embarrassed to say I’ve never taken a second to think about how chain link fence is made. That’s pretty cool, and deceptively simple-looking.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,846.947357 | ||
https://hackaday.com/2021/12/21/li-ion-battery-low-level-intricacies-explained-excellently/ | Li-ion Battery Low-Level Intricacies Explained Excellently | Arya Voronova | [
"chemistry hacks",
"Science"
] | [
"Chemistry",
"lithium battery",
"lithium ion",
"Lithium-ion battery"
] | There’s a lot of magic in Lithium-ion batteries that we typically take for granted and don’t dig deeper into. Why is the typical full charge voltage 4.2 V and not the more convenient 5 V, why is CC/CV charging needed, and what’s up with all the fires?
[The Limiting Factor] released a video that explains the low-level w... | 7 | 4 | [
{
"comment_id": "6408840",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2021-12-21T19:48:50",
"content": "Excellent, good post – timely also as locals I meet often at cafes, curious where we are going with Li Ion and solid state advances too,Thanks",
"parent_id": null,
"d... | 1,760,372,847.156987 | ||
https://hackaday.com/2021/12/21/keebin-with-kristina-the-one-with-the-hole-y-keyboard/ | Keebin’ With Kristina: The One With The Hole-y Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"Atari 130XE",
"kleks",
"restomod",
"Varityper"
] | Can a keyboard get any more aerodynamic than this? Probably not.
According to Google Translate,
kleks
is Polish for (and I’m cherry-picking definitions here) the word ‘splash’. Well,
[
deʃhipu
]’s hole-ful and soulful Kleks Keyboard
certainly made a splash with me. [
deʃhipu
] knows what I’m talking about. As I said in... | 13 | 5 | [
{
"comment_id": "6408844",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-21T20:01:01",
"content": "Maybe the holes in the PCB are useful for storing change for the vending machine?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64088... | 1,760,372,847.04909 | ||
https://hackaday.com/2021/12/21/where-the-rubber-meets-the-computer/ | Where The Rubber Meets The Computer | Al Williams | [
"Science"
] | [
"metamaterials",
"rubber"
] | If you ever get a chance to go to Leiden, take it. It is a beautiful little city that hides some high-power university research. It also boasts the world’s first
rubber computer
. You won’t be running
Crysis
on it anytime soon, though. The fledgling computer has memory and can count to two — really more of a state mach... | 19 | 7 | [
{
"comment_id": "6408783",
"author": "vib",
"timestamp": "2021-12-21T16:33:45",
"content": "Is it Oring complete ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408796",
"author": "cliff claven",
"timestamp": "2021-12-21T17:04:56",
... | 1,760,372,846.891647 | ||
https://hackaday.com/2021/12/21/plastics-photopolymers-for-3d-printing-and-beyond/ | Plastics: Photopolymers For 3D Printing And Beyond | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"Chemistry",
"polymer",
"sla"
] | Chances are good that if you’ve done any 3D printing, it was of the standard fused deposition modeling variety. FDM is pretty simple stuff — get a bit of plastic filament hot enough, squeeze the molten goo out of a fine nozzle, control the position of the nozzle more or less precisely in three dimensions, and repeat fo... | 9 | 3 | [
{
"comment_id": "6408784",
"author": "CRJEEA",
"timestamp": "2021-12-21T16:34:11",
"content": "The other question is, I wonder how well uv resin works when poured into a mould, perhaps with some sort of reflective inner surface, to cast parts instead of printing them or as part of a post printing pr... | 1,760,372,846.998642 | ||
https://hackaday.com/2021/12/21/ground-effect-aerodynamics-on-an-rc-car/ | Ground Effect Aerodynamics On An RC Car | Lewin Day | [
"Misc Hacks"
] | [
"f1",
"formula 1",
"ground effect",
"R/C car",
"radio control"
] | Ground effect aerodynamics will return to Formula 1 in a big way in the 2022 season, hopefully washing away the bad taste left in fan’s mouths after the recent controversial season decider. [Engineering After Hours] has experimented with F1 aerodynamics on RC cars before, and decided that it was time to try and impleme... | 3 | 3 | [
{
"comment_id": "6408772",
"author": "Foldi-One",
"timestamp": "2021-12-21T15:29:25",
"content": "New cars can’t magically wash away a season full of controversial and at times stupendously poor decision making by the race director… Intentional bias/bribe/ or not that sort of result fixing will come... | 1,760,372,846.686377 | ||
https://hackaday.com/2021/12/21/a-label-maker-that-uses-ai-really-poorly/ | A Label Maker That Uses AI Really Poorly | Orlando Hoilett | [
"Machine Learning",
"Raspberry Pi"
] | [
"artificial intellegence",
"computer vision",
"object detection",
"opencv"
] | [8BitsAndAByte] found herself obsessively labeling items around her house, and, like the rest of the world, wanted to see what simple, routine tasks could be made unnecessarily complicated by using AI. Instead of manually identifying objects using human intelligence,
she thought it would be fun to offload that task to ... | 15 | 8 | [
{
"comment_id": "6408707",
"author": "kaaaaaaaaaaaaaaaang",
"timestamp": "2021-12-21T09:18:43",
"content": "The idea is preety interesting, but the AI recognition is hilariously bad.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408715",
"author": "None"... | 1,760,372,847.203389 | ||
https://hackaday.com/2021/12/20/hydrogen-generation-made-easy/ | Hydrogen Generation Made Easy | Al Williams | [
"Science"
] | [
"hho gas",
"hydrogen"
] | Even if you never want to
generate hydrogen
, [Maciej Nowak’s] video (embedded below) is interesting to watch because of the clever way the electrode is formed from stainless steel washers. You’ll need heat shrink tubing, but you ought to have that hanging around anyway. Building the electrode using the techniques in t... | 45 | 19 | [
{
"comment_id": "6408671",
"author": "elwing",
"timestamp": "2021-12-21T06:15:55",
"content": "for his first test, adding soap makes nice bubbles to burn…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408672",
"author": "Artenz",
"timestamp": "2021-1... | 1,760,372,846.838364 | ||
https://hackaday.com/2021/12/20/the-assassins-teapot-is-a-mischevious-design/ | The Assassin’s Teapot Is A Mischievous Design | Lewin Day | [
"Misc Hacks"
] | [
"poison",
"teapot"
] | Many films use a similar trope when it comes to poisoning. The aspiring murderer ingests a drink poured from the same vessel as that given to their intended victim to indicate the liquid is safe to imbibe. The Assassin’s Teapot is a way one could achieve such a ruse, allowing two different liquids to be poured
from wha... | 31 | 10 | [
{
"comment_id": "6408649",
"author": "echodelta",
"timestamp": "2021-12-21T03:42:27",
"content": "A way to have tea sweet or black from the same pot, or a mix.Some consider fake chemical “sugar” a poison.How would you like your tea, sugar or poison sir?",
"parent_id": null,
"depth": 1,
"... | 1,760,372,847.115679 | ||
https://hackaday.com/2021/12/20/concrete-with-3d-printed-foam-forms/ | Concrete With 3D Printed Foam Forms | Al Williams | [
"3d Printer hacks"
] | [
"3d printed concrete",
"3d printing",
"concrete",
"construction"
] | The latest 3D printing application? Forming concrete. That’s according to a team at ETH Zurich who claims that
construction with foam forms cuts concrete usage up to 70%
. It also offers improved insulation properties. You can see a video about the process, below.
Typical concrete work relies on a form often made with... | 17 | 4 | [
{
"comment_id": "6408630",
"author": "Foldi-One",
"timestamp": "2021-12-21T01:34:39",
"content": "Similar things have been done with wood formers for eons in rather complex and impressive shapes, and the forms are reusable/recyclable too… I’m really not sure the robot arm and ‘mineral foam’ (whateve... | 1,760,372,846.749189 | ||
https://hackaday.com/2021/12/20/all-hail-your-new-giant-555-timer-overlord/ | All Hail Your New Giant 555 Timer Overlord | Tom Nardi | [
"classic hacks",
"Parts"
] | [
"555",
"555 timer",
"discrete components",
"replica",
"woodworking"
] | You asked for it, and now you’ve got it. It’s taken more than a decade of accumulated complaining, but this gigantic 555 timer IC has finally gathered enough psychokinetic energy to take corporeal form and demand fealty from the readers of Hackaday.
Or not. The less exciting explanation is that creator [Rudraksha Vegad... | 46 | 20 | [
{
"comment_id": "6408549",
"author": "ERIC CHAPIN",
"timestamp": "2021-12-20T21:03:15",
"content": "Eh can be done with a single 555 timer…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408568",
"author": "Jace",
"timestamp": "2021-12-20T21... | 1,760,372,847.313778 | ||
https://hackaday.com/2021/12/20/window-to-the-world-brings-far-off-places-to-your-home/ | “Window To The World” Brings Far-Off Places To Your Home | Robin Kearey | [
"home hacks"
] | [
"live streaming",
"traveling",
"world map"
] | For those who love travelling around the world, life hasn’t been great for the past two years. World-wide lockdowns and travel restrictions have kept many people stuck inside their own homes when they would rather be jetting off to distant cities. If you’re one of those bothered by
Wanderlust
, [Alex Shakespeare] might... | 13 | 9 | [
{
"comment_id": "6408595",
"author": "Evan",
"timestamp": "2021-12-20T23:13:20",
"content": "Very clever project! Really like what you’ve done!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408597",
"author": "[EGO]",
"timestamp": "2021-12-20T23:18:... | 1,760,372,847.587788 | ||
https://hackaday.com/2021/12/20/know-audio-mixtapes-tape-loops-and-razor-blades/ | Know Audio: Mixtapes, Tape Loops, And Razor Blades | Jenny List | [
"Hackaday Columns",
"home entertainment hacks",
"Slider"
] | [
"analog",
"analogue",
"audio",
"audio tape",
"cassette tape",
"tape deck"
] | In our no-nonsense journey through the world of audio technology we’ve so far have looked at digital audio and the vinyl disk recording. What’s missing? Magnetic tape, the once-ubiquitous recording medium that first revolutionised the broadcast and recording industries in the mid-20th-century, and went on to be a mains... | 16 | 8 | [
{
"comment_id": "6408515",
"author": "Piotrsko",
"timestamp": "2021-12-20T18:30:51",
"content": "There is a continuous loop play system that uses only 1 reel. Aka 8 tracks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408524",
"author": "Chris Maple",
... | 1,760,372,847.865591 | ||
https://hackaday.com/2021/12/20/building-ms-dos-from-scratch-like-its-1983/ | Building MS-DOS From Scratch Like It’s 1983 | Robin Kearey | [
"Retrocomputing",
"Software Hacks"
] | [
"assembly language",
"computer history",
"ms-dos",
"PC DOS"
] | Building a complete operating system by compiling its source code is not something for the faint-hearted; a modern Linux or BSD distribution contains thousands of packages with millions of lines of code, all of which need to be processed in the right order and the result stored in the proper place. For all but the most... | 52 | 12 | [
{
"comment_id": "6408498",
"author": "Setho",
"timestamp": "2021-12-20T17:22:58",
"content": "Was it just me or do others with a long memory think that the ideas for MS-DOS were lifted from DEC’s RT-11?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408507"... | 1,760,372,847.96214 | ||
https://hackaday.com/2021/12/20/is-cloud-seeding-good-bad-or-ugly/ | Is Cloud Seeding Good, Bad, Or Ugly? | Lewin Day | [
"Current Events",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"china",
"cloud seeding",
"rain",
"weather"
] | The Chinese Communist Party celebrated its centenary on the 1st of July, 2021. For such a celebration, clear skies and clean air would be ideal. For the capable nation-state, however, one needn’t hope against the whims of the weather. One can simply control it instead!
A recent paper released by Tsinghua University
ind... | 34 | 15 | [
{
"comment_id": "6408485",
"author": "Gravis",
"timestamp": "2021-12-20T15:54:27",
"content": "Like all scientific discoveries/accomplishments, cloud seeding should be used only when appropriate. Exceptionally bright blue LEDs have become the modern day bane of consumers because a single scientific... | 1,760,372,847.662263 | ||
https://hackaday.com/2021/12/20/an-all-in-one-cube-pc-for-a-1990s-that-never-quite-happened/ | An All In One Cube PC For A 1990s That Never Quite Happened | Jenny List | [
"computer hacks"
] | [
"cube pc",
"homemade pc",
"luggable",
"pc"
] | When a particular device or appliance is evoked, there comes with it a set of expectations over what it might look like. A toaster, a camera, a washing machine, or a PC, will all have their own accepted form factors, and it’s rare that a manufacturer is adventurous enough to venture outside them. In the world of PCs th... | 12 | 5 | [
{
"comment_id": "6408454",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-20T13:37:26",
"content": "I would like a larger keyboard and display with such a build; as well as providing a way to tilt the display for better viewing. Then, maybe a larger printer (if available) cou... | 1,760,372,847.802651 | ||
https://hackaday.com/2021/12/20/a-particularly-festive-chip-decapping/ | A Particularly Festive Chip Decapping | Jenny List | [
"Holiday Hacks",
"Parts"
] | [
"chip decap",
"christmas",
"ken shirriff",
"UM66T"
] | As we approach the moment in the year at which websites enter a festive silly season of scrambling to find any story with a festive angle, we’re pleased to see the ever-reliable [Ken Shirriff] has brought his own take on Christmas tech to the table with
a decapping of the UM66T melody chip that has graced so many music... | 16 | 8 | [
{
"comment_id": "6408399",
"author": "C",
"timestamp": "2021-12-20T09:33:33",
"content": "The most commonly available version is the UM66T19L (Fur Elise). This version of the chip is also found in fake candles. Yes, the random flame-like change of light intensity of fake candles is actually the Fur ... | 1,760,372,848.013098 | ||
https://hackaday.com/2021/12/19/hdd-vending-machine-works-like-a-vending-machine-should/ | HDD Vending Machine Works Like A Vending Machine Should | Arya Voronova | [
"Lifehacks"
] | [
"hackerspace",
"hacks from twitter",
"hdd",
"liege hackerspace",
"vending machine"
] | The concept of vending machines in hackerspaces is nothing new, but [iooner]
took it a step further
– as hackers ought to. Putting HDDs into the rotating spring of a repurposed vending machine, right where you’d expect to see a Granola bar, isn’t revolutionary – but we don’t remember anybody doing it before this. And, ... | 48 | 19 | [
{
"comment_id": "6408371",
"author": "CircularSaw",
"timestamp": "2021-12-20T06:07:15",
"content": "While humourous in this format I’d prefer to see a mechanism that delivers the HDD intact",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408473",
"au... | 1,760,372,848.139977 | ||
https://hackaday.com/2021/12/19/the-inspirer-keeps-your-mood-up-with-inspirational-quotes-and-soothing-music/ | The Inspirer Keeps Your Mood Up With Inspirational Quotes And Soothing Music | Robin Kearey | [
"Misc Hacks"
] | [
"14-segment display",
"inspirational quotes",
"mood",
"mp3 player"
] | While some people enjoy the cold weather and long, dark nights in the Northern Hemisphere these days, others may find it hard to keep a positive mindset all through the winter. [Michael Wessel] decided he needed to do something about that and came up with
The Inspirer
, a desktop display that shows inspirational quotes... | 2 | 1 | [
{
"comment_id": "6408354",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-20T03:17:06",
"content": "Hmm MMB, nice!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408358",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,372,848.450107 | ||
https://hackaday.com/2021/12/17/sdr-toolkit-bends-weather-station-to-hackers-whims/ | SDR Toolkit Bends Weather Station To Hacker’s Whims | Tom Nardi | [
"Radio Hacks",
"Software Hacks"
] | [
"ADALM-PLUTO",
"crc",
"RTL-SDR",
"sdr",
"Universal Radio Hacker"
] | We probably don’t have to tell most Hackaday readers why the current wave of low-cost software defined radios (SDRs) are such a big deal for hackers looking to explore the wide world of wireless signals. But if you
do
need a refresher as to what kind of SDR hardware and software should be in your bag of tricks, then
th... | 9 | 4 | [
{
"comment_id": "6407981",
"author": "qwindelzorf",
"timestamp": "2021-12-18T15:36:36",
"content": "Along similar lines, this is a project for general purpose demodulation of a variety of devices, including various weather stations:https://github.com/merbanan/rtl_433I have been using it to bridge my... | 1,760,372,848.063077 | ||
https://hackaday.com/2021/12/17/the-second-worst-cad-package-ever/ | The Second Worst CAD Package Ever | Dave Rowntree | [
"Software Hacks"
] | [
"cad",
"kludge",
"Klunky",
"online",
"schematic"
] | A while back, [Heavydeck] remembered stumbling across
the worst CAD package ever
, which is a schematic editor whose existence was purely intended for use to make quick circuit sketches for documentation, presentations and the like. All good. But, being based on low quality JPEG graphics, which when blown up to project... | 28 | 13 | [
{
"comment_id": "6407899",
"author": "YGDES",
"timestamp": "2021-12-18T03:05:20",
"content": "Or you can use Falstad’s circuitjs :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6408305",
"author": "RBMK",
"timestamp": "2021-12-19T21:43:30"... | 1,760,372,848.19948 | ||
https://hackaday.com/2021/12/17/implementing-a-cpu-using-555-timers-and-logic-synthesis/ | Implementing A CPU Using 555 Timers And Logic Synthesis | Dave Rowntree | [
"computer hacks"
] | [
"555 timer",
"pcb",
"PCBflow"
] | There is many a comment on these here pages along the lines of “Why did you use a microcontroller, when you could just have easily used a 555 timer!” And, yes, we sometimes agree with the sentiment, but when a chance comment seen by Hackaday.io user [Tim Böscke] suggested turning it around and
building a microcontrolle... | 26 | 10 | [
{
"comment_id": "6407855",
"author": "Michael Black",
"timestamp": "2021-12-18T00:07:54",
"content": "Can you emulate a 555 with it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6407873",
"author": "Brian",
"timestamp": "2021-12-18T01:49:04... | 1,760,372,848.264223 | ||
https://hackaday.com/2021/12/17/3d-printing-a-cyclonic-dust-seperator/ | 3D Printing A Cyclonic Dust Separator | Lewin Day | [
"Tool Hacks"
] | [
"Cyclone",
"cyclone separator",
"dust extraction",
"dust extractor"
] | [rctestflight] recently purchased a big CNC router, and that meant it was time to arrange for some dust extraction in the workshop. Naturally,
he set about building this himself!
Using a shop vac is fine at smaller scales, but they can quickly be filled up on bigger jobs. To stop it getting filled up as quickly and was... | 20 | 12 | [
{
"comment_id": "6407848",
"author": "Neil",
"timestamp": "2021-12-17T23:12:41",
"content": "There’s “a rat” in separate.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6407879",
"author": "Paul",
"timestamp": "2021-12-18T01:55:28",
"content": "Aus... | 1,760,372,848.324253 | ||
https://hackaday.com/2021/12/17/building-a-custom-branding-iron-with-swappable-date-blocks/ | Building A Custom Branding Iron With Swappable Date Blocks | Lewin Day | [
"classic hacks",
"Misc Hacks"
] | [
"branding iron",
"brass",
"pyrography",
"tool",
"tooling",
"wood burning"
] | Branding can be done on wood with just about any old bit of hot metal, but if you want to do it well, properly-crafted tooling will go a long way. [Wesley Treat] has built just that with
this modular branding iron design
.
The branding tooling itself is machined out of brass on an X-Carve CNC router, using [Wesley]’s o... | 6 | 4 | [
{
"comment_id": "6407789",
"author": "BT",
"timestamp": "2021-12-17T19:38:55",
"content": "“Naturally, the tool graphics are done in reverse so as to register the right way around when burned onto wood.”Unless you’re looking at the cover photo for the video :-P",
"parent_id": null,
"depth": ... | 1,760,372,848.520084 | ||
https://hackaday.com/2021/12/17/error-codes-and-the-law-of-least-astonishment/ | Error Codes And The Law Of Least Astonishment | Al Williams | [
"Featured",
"Rants",
"Slider",
"Software Hacks"
] | [
"error codes",
"law of least astonishment",
"Rant"
] | Do you know the law of least astonishment? I am not sure of its origin, but I first learned it from the excellent “
Tao of Programming
.” Simply put, it is the principle that software should always respond to the users in a way that least astonishes them. In other words, printing a document shouldn’t erase it from your... | 73 | 29 | [
{
"comment_id": "6407754",
"author": "KD9KCK",
"timestamp": "2021-12-17T18:06:46",
"content": "Who hasn’t at some point done the print(“1”) some steps print(“2”) some more steps print(“3”) style of debugging to figure out what was really causing the strange error.",
"parent_id": null,
"depth... | 1,760,372,848.730741 | ||
https://hackaday.com/2021/12/17/hackaday-podcast-149-ballerina-bot-balances-flexures-track-cat-food-pcb-goes-under-the-knife-and-an-attiny-does-the-555/ | Hackaday Podcast 149: Ballerina Bot Balances, Flexures Track Cat Food, PCB Goes Under The Knife, And An ATtiny Does The 555 | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Newly ordained Hackaday editor-in-chief Elliot Williams and staff writer Dan Maloney jump behind the podcast mic to catch you up on all this week’s essential hacks. We’ll have a Bob Ross moment with an iPad, go to ridiculous lengths to avoid ordering a 555, and cook up a Wii in toaster. Need to make a VGA adapter from ... | 2 | 2 | [
{
"comment_id": "6407796",
"author": "Jonathan Bennett",
"timestamp": "2021-12-17T20:21:52",
"content": "The mystery sound reminds me of a flagpole in the wind, with the rope thunking against the pole. The reverb of the pipe can give that underwater sort of sound. Probably not actually what it is.",... | 1,760,372,848.771661 | ||
https://hackaday.com/2021/12/18/opendog-version-3-is-ready-to-go-walkies/ | OpenDog Version 3 Is Ready To Go Walkies | Dave Rowntree | [
"Robots Hacks"
] | [
"3d printing",
"cycloidal gearbox",
"james bruton",
"OpenDog",
"robotics"
] | We’ve been following [James Bruton]’s open dog project for a little while now, and with his considerable pace of work – pandemic or no pandemic – development has been incredibly rapid. The latest milestone is the
public release of version 3
(Video, embedded below.) This upgrade to the system adds 3D printed cycloidal g... | 12 | 5 | [
{
"comment_id": "6408122",
"author": "Bruce Ferrell",
"timestamp": "2021-12-19T03:38:31",
"content": "What IF… it was scaled up to the size of something like a horse or ox and the feet modeled alike?I have my own power “fetish” but power it as you like.MIGHT it be able to pull a plow or wagon? Or ... | 1,760,372,848.572154 | ||
https://hackaday.com/2021/12/18/be-mesmerized-by-the-latest-time-twister/ | Be Mesmerized By The Latest Time Twister | Chris Wilkinson | [
"Arduino Hacks",
"clock hacks"
] | [
"clock",
"DS3231",
"mechanical",
"rtc"
] | [Hans Andersson] has been creating marvelous twisting timepieces for over a decade, and we’re pleased to be able to share his latest mechanical clock contraption with our readers, the
Time Twister 5
.
In contrast to his previous LEGO-based clocks, version five of the Time Twister uses 3D printed segments, undoubtedly p... | 16 | 9 | [
{
"comment_id": "6408102",
"author": "vib",
"timestamp": "2021-12-19T00:15:34",
"content": "Wow nice! a definite Rubik look :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408114",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-... | 1,760,372,848.912272 | ||
https://hackaday.com/2021/12/18/when-dell-built-a-netbook-with-an-x86-system-on-module/ | When Dell Built A Netbook With An X86 System-on-Module | Arya Voronova | [
"computer hacks",
"laptops hacks",
"Netbook Hacks"
] | [
"dell",
"dell mini",
"intel atom",
"som",
"x86"
] | Just like with pre-touchscreen cellphones having fancy innovative features that everyone’s forgotten about, there’s areas that laptop manufacturers used to venture in but no longer dare touch. On Twitter, [Kiwa] talks a fascinating attempt by Dell
to make laptops with user-replaceable CPU+RAM modules
. In 2008, Dell re... | 33 | 18 | [
{
"comment_id": "6408085",
"author": "CityZen",
"timestamp": "2021-12-18T22:31:25",
"content": "The Intel NUC 9 was a step in this direction, though more of a “entire PC on a plug-in board” rather than a “CPU on a plug-in board”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,849.021986 | ||
https://hackaday.com/2021/12/18/esp8266-based-wifi-game-boy-cartridge-browses-wikipedia/ | ESP8266 Based WiFi Game Boy Cartridge Browses WikiPedia | Dave Rowntree | [
"Retrocomputing"
] | [
"3d printed",
"ESP8266",
"game boy",
"wi-fi"
] | [Sebastian Staacks] came across his old Game Boy and was wondering (as you do) what happened to recent attempts at getting a WiFi interface wedged into a standard cartridge. After a while the conclusion was that people had been scuppered by approaching the problem in a way that made it too hard. Obviously that meant it... | 8 | 3 | [
{
"comment_id": "6408039",
"author": "Arthur Mezins",
"timestamp": "2021-12-18T18:36:09",
"content": "I’m not a gaming fan. The first “game” I had was a Fairchild box and then I got an Atari 5200. Both were OK, but didn’t keep my interest. Both also had serious problems with reliability of their joy... | 1,760,372,848.958477 | ||
https://hackaday.com/2021/12/18/the-end-of-the-electromechanical-era/ | The End Of The Electromechanical Era | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"cassette",
"design",
"electromechanical",
"mechanical",
"newsletter"
] | When viewed from the far future, the early years of the 21st century will probably be seen as the end of a short era in human technological development. In the beginning of the 20th century, most everything was mechanical. There were certainly some electric devices, but consumer products like gramophone players and “mo... | 141 | 41 | [
{
"comment_id": "6407980",
"author": "gonadic_io",
"timestamp": "2021-12-18T15:26:49",
"content": "There’s still at least one key mechanical component – cable connectors. How long before the majority of non-high-power cable connectors are are gapped induction coils, toothbrush style. Less wear, less... | 1,760,372,849.248125 | ||
https://hackaday.com/2021/12/18/a-well-documented-breadboard-computer-shows-dedication/ | A Well Documented BreadBoard Computer Shows Dedication | Dave Rowntree | [
"computer hacks",
"Retrocomputing"
] | [
"breadboard",
"display",
"homebrew computer",
"logisim",
"ttl"
] | These pages have not been exactly devoid of home-built computers, with those constructed on solderless breadboard less frequent, but still not rarities. But what is more of a rarity is this ground-up
8-bit 74xx logic-based computer
(video, embedded below) with full source, an emulator, assembler and test suite. [JDH] s... | 11 | 10 | [
{
"comment_id": "6407969",
"author": "CMH62",
"timestamp": "2021-12-18T13:08:03",
"content": "Hat’s off to this young man for his engineering curiosity and determination!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408016",
"author": "The Commenter Fo... | 1,760,372,849.075718 | ||
https://hackaday.com/2021/12/18/3d-printed-parts-holds-up-to-steam-heat/ | 3D Printed Parts Hold Up To Steam Heat | Lewin Day | [
"Parts"
] | [
"resin",
"resin printer",
"resin printing",
"steam",
"steam turbine"
] | Steam turbines are at the heart of all manner of industrial machinery, particularly that used for power generation. [Integza] decided he needed to better understand this technology, and decided to build one himself –
using 3D printing, at that.
First, a steam source was needed, with a pressure cooker on an electric sto... | 1 | 1 | [
{
"comment_id": "6408426",
"author": "Fallen",
"timestamp": "2021-12-20T12:03:51",
"content": "Looks more like a Pelton Wheel than any steam turbine that I’ve seen. But… I haven’t seen many steam turbines. It seems like it would greatly benefit from a housing. Also, not to be a safety Nanny, but the... | 1,760,372,849.289938 | ||
https://hackaday.com/2021/12/19/hackaday-links-december-19-2021/ | Hackaday Links: December 19, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"Alcubierre",
"chip shortage",
"copyright",
"everything as a service",
"hackaday links",
"james webb space telescope",
"jwst",
"key fob",
"pupblishing",
"sci-hub",
"warp bubble"
] | Key fobs as a service? Have we really gotten to that point? It would seem so, at least for Toyota, which i
s now requiring a subscription to use the company’s Remote Connect function
. To be fair to Toyota, the Remote Connect system seems to do a bit more than the average key fob, with things like remote start and smar... | 26 | 13 | [
{
"comment_id": "6408324",
"author": "RÖB",
"timestamp": "2021-12-20T00:20:57",
"content": "In Australia we seem to have many ATmega1284’s in DIP but little to nothing that would be used in manufacturing.It seems that it is being used instead of a more capable MCU. Why choose an 8 Bitter with relati... | 1,760,372,849.355646 | ||
https://hackaday.com/2021/12/19/gameboy-gets-ridiculously-good-lens/ | Game Boy Camera Gets Ridiculously Good Lens | Al Williams | [
"digital cameras hacks",
"Nintendo Game Boy Hacks"
] | [
"camera",
"canon",
"game boy",
"game boy camera",
"photography"
] | How do you get better pictures from a 20+ year old Game Boy Camera? How about
marrying a DSLR lens to it
? That’s what [ConorSev] did and, honestly, the results are better than you might expect as [John Aldred] mentioned in his post about the topic. You can check the camera out in the video below.
A 3D printed adapter ... | 26 | 9 | [
{
"comment_id": "6408302",
"author": "Tomek1998",
"timestamp": "2021-12-19T21:21:03",
"content": "I think pepole like him should be put on some kind of special scholarship so no need to work because pepole like him will be nesesary to restart our civilization when it becomes very damaged (destroyed)... | 1,760,372,849.420862 | ||
https://hackaday.com/2021/12/19/your-next-oscilloscope-might-be-optical/ | Your Next Oscilloscope Might Be Optical | Al Williams | [
"Science",
"Tool Hacks"
] | [
"optical oscilloscope",
"optics",
"oscillospcope"
] | What’s better than a 100MHz scope?
How about an optical one
? Researchers at the University of Central Florida think that’s just the ticket, and they’ve built an oscilloscope that can measure the electric field of light. You can find the
full paper online
.
Reading the electrical field of light is difficult with tradit... | 12 | 4 | [
{
"comment_id": "6408296",
"author": "Paul",
"timestamp": "2021-12-19T20:53:17",
"content": "Paywalled. Seriously, HaD. What’s the point of including a link if it’s useless to most of your readership?(yeah, yeah, I know there are ways around it, including using my work account, but that’s not the ... | 1,760,372,849.46726 | ||
https://hackaday.com/2021/12/19/tiny-switch-ornament-plays-gifs-with-an-esp32/ | Tiny Switch Ornament Plays GIFs With An ESP32 | Dave Rowntree | [
"Microcontrollers",
"Nintendo Hacks"
] | [
"3D printed enclosure",
"ESP32 TTGO",
"lcd",
"Nintendo Switch"
] | It constantly amazes us what we hackers can build these days, (electronics shortages aside) we have access to an incredible array of parts, with specifications that only a few years ago would be bank-breaking and longer ago just fantasy. It’s nice to see people building one-offs just for fun, in spite of the current di... | 4 | 4 | [
{
"comment_id": "6408283",
"author": "Josh D",
"timestamp": "2021-12-19T19:13:48",
"content": "This is amazing! If he sold the PCB and 3D prints I’d totally buy a kit to do with my son.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408288",
"author": "Mi... | 1,760,372,849.552682 | ||
https://hackaday.com/2021/12/19/restoring-a-vintage-ibm-i-o-tester/ | Restoring A Vintage IBM I/O Tester | Chris Wilkinson | [
"Repair Hacks",
"Retrocomputing"
] | [
"1960s",
"I/O",
"ibm",
"mainframe",
"System/360"
] | By now, [CuriousMarc] and his team of volunteers are well versed in 1960s hardware restoration. So when a vintage IBM I/O Tester came into their possession, a
full machine makeover was all but inevitable
.
The I/O Tester dates from around 1965, which roughly coincides with the introduction of IBM’s lauded System/360 co... | 12 | 4 | [
{
"comment_id": "6408215",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-19T14:34:17",
"content": "Oooo! Luv it!(Video and tester)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6495181",
"author": "LongTimeTexan",
"t... | 1,760,372,849.598508 | ||
https://hackaday.com/2021/12/19/kamehameha-pcb-badge/ | Kamehameha!! PCB Badge | Orlando Hoilett | [
"Art",
"LED Hacks"
] | [
"badge",
"badgelife",
"Dragon Ball",
"Goku",
"Kamehameha",
"smd"
] | PCB Art has surely captivated us over the past few years and we’re ever intrigued with the intricate detail the community puts into their work. We’re no strangers to [Arnov]’s work and he has impressed, yet again, with his
Kamehameha PCB badge
.
Unfortunately, no 555 timer was used in the making of this project, but do... | 7 | 4 | [
{
"comment_id": "6408198",
"author": "JanW",
"timestamp": "2021-12-19T12:23:22",
"content": "Yeah, talking sh*t about stuff YOU don’t like is the way to go. Here’s your internet points.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6408206",
"author": "sh... | 1,760,372,849.637712 | ||
https://hackaday.com/2021/12/18/when-does-car-hacking-become-tampering-the-british-government-seeks-guidance/ | When Does Car Hacking Become “Tampering”? The British Government Seeks Guidance | Jenny List | [
"Transportation Hacks"
] | [
"car hacking",
"law",
"uk"
] | When a government decides to take a look at your particular field of experimentation, it’s never necessarily a cause for rejoicing, as British motor vehicle enthusiasts are finding out through a UK Government consultation. Titled “
Future of transport regulatory review: modernising vehicle standards
“, the document exp... | 87 | 16 | [
{
"comment_id": "6408149",
"author": "RÖB",
"timestamp": "2021-12-19T06:55:50",
"content": "About a decade ago or a little less, I was working for an ISP that provided hosting services. As a part of my job I had to look after server security and a part of that was penetration testing and the like.My... | 1,760,372,849.754997 | ||
https://hackaday.com/2021/12/16/motorized-device-helps-swap-out-hard-to-reach-light-bulbs/ | Motorized Device Helps Swap Out Hard-To-Reach Light Bulbs | Lewin Day | [
"Tool Hacks"
] | [
"ATTiny 85",
"light bulb",
"light bulb changer"
] | High ceilings can make a residence feel open and airy, but they often come with difficult-to-reach light fittings. To better deal with that, [mattwach] built a motorized light bulb changer
which makes the job much easier.
Light bulb changers already exist, but they typically need to be used on-axis with the light fitti... | 27 | 13 | [
{
"comment_id": "6407474",
"author": "X",
"timestamp": "2021-12-16T21:26:50",
"content": "How many software developers does it take to charge a light bulb?“None, the light bulb works fine on the machine in my office”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,849.912218 | ||
https://hackaday.com/2021/12/16/using-fishing-wire-to-hold-in-pin-headers-is-a-nifty-trick/ | Using Fishing Wire To Hold In Pin Headers Is A Nifty Trick | Lewin Day | [
"Tool Hacks"
] | [
"development board",
"header",
"Header pins",
"jumper wire",
"pcb",
"pin header"
] | Working on a breadboard, one can get used to the benefits of being able to readily plug and unplug jumper wires to reconfigure a project. One could only dream of doing so with PCBs, right? Wrong! [Stewart Russell]
recently shared a tip on Twitter
on how to do just that, with the help of a little fishing wire.
The wire ... | 55 | 19 | [
{
"comment_id": "6407434",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-16T19:36:01",
"content": "It’s a hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6407441",
"author": "none",
"timestamp": "2021-12-16T19:45:31",
... | 1,760,372,850.006312 | ||
https://hackaday.com/2021/12/16/keynote-video-elecia-white-finds-treasure-in-memory-map/ | Keynote Video: Elecia White Finds Treasure In The Memory Map | Elliot Williams | [
"cons",
"Hackaday Columns",
"Microcontrollers",
"Slider"
] | [
"2021 Hackaday Remoticon",
"elecia white",
"memory",
"microcontrollers"
] | If you dig microcontrollers, and you like to dig into how they work, Elecia White wants to help you navigate their innermost secrets with the help of memory map files. In this refreshingly funny, but very deep keynote talk from the 2021 Hackaday Remoticon, Elecia guides us through one of the most intimidating artifacts... | 9 | 6 | [
{
"comment_id": "6407472",
"author": "Jerry",
"timestamp": "2021-12-16T21:13:44",
"content": "Wonderful video Elliot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6407601",
"author": "Elliot Williams",
"timestamp": "2021-12-17T07:38:27",
... | 1,760,372,850.053663 | ||
https://hackaday.com/2021/12/16/a-hackers-journey-in-developing-a-new-vr-controller/ | A Hacker’s Journey In Developing A New VR Controller | Donald Papp | [
"Virtual Reality"
] | [
"ergonomics",
"Project Caliper",
"SteamVR",
"virtual reality",
"vr",
"XRCaliper"
] | [Rob Cole] had an ambitious side project:
to build an improved version of the Valve Index VR controllers
. His effort, named
Project Caliper
, aims for optimal ergonomics and modularity for the handheld devices. [Rob] originally had plans to develop it as a consumer product by forming a small startup company, but after... | 8 | 2 | [
{
"comment_id": "6407444",
"author": "Adrian Scarlett",
"timestamp": "2021-12-16T19:52:18",
"content": "Looks so be a long way from improving the valve controller, adding unnecessary adjustability, and infringing on a whole host of patents in the process.",
"parent_id": null,
"depth": 1,
... | 1,760,372,850.099574 | ||
https://hackaday.com/2021/12/16/pinephone-malware-surprises-users-raises-questions/ | PinePhone Malware Surprises Users, Raises Questions | Arya Voronova | [
"Current Events",
"Featured",
"News",
"Phone Hacks",
"Security Hacks",
"Slider"
] | [
"arch",
"linux",
"malware",
"Manjaro",
"pinephone"
] | On December 5th, someone by the IRC nickname of [ubuntu] joined the Pine64 Discord’s
#pinephone
channel through an IRC bridge. In the spirit of December gift-giving traditions, they have presented their fellow PinePhone users with an offering – a “Snake” game. What [ubuntu] supposedly designed had the potential to beco... | 84 | 24 | [
{
"comment_id": "6407359",
"author": "Beaker",
"timestamp": "2021-12-16T15:31:33",
"content": "“it’s Bash, a language with unreadability baked in”Queue a Greta “how dare you” impression…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6407365",
"autho... | 1,760,372,850.222753 | ||
https://hackaday.com/2021/12/16/tesla-model-s-gets-boost-with-jet-engine-upgrade/ | Tesla Model S Gets Boost With Jet Engine Upgrade | Matthew Carlson | [
"3d Printer hacks",
"car hacks",
"Transportation Hacks"
] | [
"3d printing",
"arduino",
"jet engine",
"tesla"
] | Tesla is well known for making cars that can accelerate quickly, but there’s always room for improvement. [Warped Perception] decided that his Tesla Model S P85D needed that little bit of extra oomph (despite the 0-60 MPH or 0-97 km/h time of 3.1 seconds), so he did what any sensible person would:
add three jet turbine... | 72 | 12 | [
{
"comment_id": "6407327",
"author": "monsonite",
"timestamp": "2021-12-16T12:06:36",
"content": "This rather defeats the point of electric vehicles. Any fool can burn fossil fuels inefficiently like this…….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "640... | 1,760,372,850.326441 | ||
https://hackaday.com/2021/12/16/christmas-lithophanes-make-neat-decorations/ | Christmas Lithophanes Make Neat Decorations | Lewin Day | [
"Holiday Hacks",
"Software Hacks"
] | [
"Christmas decoration",
"decoration",
"lithophane"
] | Lithophanes are neat little artistic creations that use variations in the thickness of a material to reveal an image when lit from behind. 3D printing is a great way to make lithophanes, and they can make for
beautiful Christmas decorations, too!
It’s easy to make lithophane decorations for your Christmas tree with the... | 4 | 1 | [
{
"comment_id": "6407352",
"author": "Doug Leppard",
"timestamp": "2021-12-16T14:15:08",
"content": "This is cool, my wife loves it need to try it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6407397",
"author": "The Commenter Formerly Known As Re... | 1,760,372,850.410153 | ||
https://hackaday.com/2021/12/15/rc-sub-built-with-a-water-bottle/ | RC Sub Built With A Water Bottle | Lewin Day | [
"Misc Hacks"
] | [
"bottle",
"radio control",
"submarine"
] | Submarines are one of the harder modes of transport to build in radio-controlled form. Doing so involves tangling with sealing electronics from water ingress and finding a way to control the thing underwater. It’s a challenge, but one relished by [Project Air]
in his latest build.
The body of the sub was built from a d... | 8 | 4 | [
{
"comment_id": "6407325",
"author": "abjq",
"timestamp": "2021-12-16T11:50:49",
"content": "“a drink bottle, serving as a stout container”That would be Guinness, then!(Other porters are available).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6407440",
... | 1,760,372,850.370514 | ||
https://hackaday.com/2021/12/15/christmas-tree-pcb-just-the-trick-for-festive-glee/ | Christmas Tree PCB Just The Trick For Festive Glee | Lewin Day | [
"Holiday Hacks"
] | [
"christmas",
"holiday hacks",
"pcb"
] | The festive season is often as good a reason as any to get out the tools and whip up a fun little project. [Simon] wanted a little tchotchke to give out for the holidays, so they whipped up a Christmas tree PCB
that’s actually Arduino-compatible.
O’ Christmas Tree, on PCB…
It’s a forward-looking project, complete with ... | 3 | 3 | [
{
"comment_id": "6407370",
"author": "Seejay",
"timestamp": "2021-12-16T16:04:03",
"content": "You spelled, “is” correctly.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6407598",
"author": "José Daniel Herrera Gomariz",
"timestamp": "2021-12-17T07:33... | 1,760,372,850.510204 | ||
https://hackaday.com/2021/12/15/wii-meets-its-end-in-breadcrumb-jail/ | Wii Meets Its End In Breadcrumb Jail | Arya Voronova | [
"classic hacks",
"home entertainment hacks",
"Nintendo Hacks",
"Nintendo Wii Hacks"
] | [
"nintendo",
"nintendo wii",
"nintendo wii hacks",
"nintoaster",
"toaster",
"wii"
] | One of often encountered traits of a hacker is an ability to build devices into places where they don’t belong. Perhaps, [sonictimm]’s self-descriptive
WiiinToaster
was somewhat of an inevitability. Inspired by the legendary
Nintoaster project
which used a NES, this is a modern take on the concept, putting a Wii inside... | 9 | 5 | [
{
"comment_id": "6407267",
"author": "Feinfinger (super villain in nostalgy mode)",
"timestamp": "2021-12-16T01:02:07",
"content": "Holy toaster!This is not funny! :.(It’s reserved for NetBSD!Please redo this with a coffee brewer, sodastreamer, model truck, …:-Þ(-: …and don’t take these lines too ... | 1,760,372,850.461301 |
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