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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/07/07/retrotechtacular-the-nuclear-cruise-ship-of-the-future-earns-glowing-reviews/ | Retrotechtacular: The Nuclear Cruise Ship Of The Future Earns Glowing Reviews | Al Williams | [
"History",
"Retrotechtacular",
"Slider"
] | [
"ns savannah",
"nuclear"
] | The average modern cruise ship takes about 250 tons or 80,000 gallons of fuel daily. But can you imagine a cruise ship capable of circling the globe fourteen times before it needed to top off? That was the claim for the NS
Savannah
, a nuclear-powered cruise ship born out of President Eisenhower’s “Atoms for Peace” ini... | 33 | 15 | [
{
"comment_id": "6660065",
"author": "heathdutton",
"timestamp": "2023-07-07T18:18:40",
"content": "There were 2 nuclear powered Arktika-class vessels that took passengers until recently. These were icebreakers used for scientific exploration and later for high-paying passengers who wanted to go to ... | 1,760,372,243.75384 | ||
https://hackaday.com/2023/07/07/hackaday-podcast-226-ice-snow-and-cooling-paint-in-july/ | Hackaday Podcast 226: Ice, Snow, And Cooling Paint In July | Al Williams | [
"Hackaday Columns",
"News",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Al Williams shoot the breeze about all things Hackaday. We start off with some fond remembrances of Don Lancaster, a legendary hardware hacker who passed away last month. There’s also news about the Hackaday Prize (the tool competition) and a rant about fast computers and ... | 3 | 2 | [
{
"comment_id": "6660045",
"author": "J. Samson",
"timestamp": "2023-07-07T16:40:28",
"content": "Is this whole thing written in third person? Comes across as confusing… (e.g. “We don’t know what Al is dreaming about…” when the article was presumably written by Al).(Please, no Art-Int comments, it’s... | 1,760,372,243.204256 | ||
https://hackaday.com/2023/07/07/getting-a-rise-with-laser-cutting/ | Getting A Rise With Laser Cutting | Al Williams | [
"Tool Hacks"
] | [
"honeycomb table",
"laser cutter"
] | Your first 3D print probably seemed pretty amazing. But if you revisit it after a few years, you’ll likely notice it wasn’t nearly as good as you thought. We improve our printers and our processes and the new better results become normal. If you have a laser cutter, you may go through the same iteration. At first, you ... | 6 | 4 | [
{
"comment_id": "6660066",
"author": "Dave",
"timestamp": "2023-07-07T18:25:54",
"content": "Also look into silversmithing Trivets. Pointy-thingies that lift your workpiece off the surface. Made of folded metal. I’ve used them in a similar vein on our lasers too.",
"parent_id": null,
"depth"... | 1,760,372,243.153369 | ||
https://hackaday.com/2023/07/07/this-week-in-security-bogus-cves-bogus-pocs-and-maybe-a-bogus-breach/ | This Week In Security: Bogus CVEs, Bogus PoCs, And Maybe A Bogus Breach | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"CVE",
"proof of concept",
"This Week in Security",
"wordpress"
] | It appears we have something of a problem. It’s not really a new problem, and shouldn’t be too surprising, but it did pop up again this week: bogus CVEs. Starting out in the security field? What’s the best way to jump-start a career? Getting a CVE find to your name certainly can’t hurt. And as a result, you get very ju... | 3 | 3 | [
{
"comment_id": "6660133",
"author": "70sjukebox",
"timestamp": "2023-07-07T22:23:13",
"content": "This pleases Bill and Ted",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6660135",
"author": "LordNothing",
"timestamp": "2023-07-07T22:27:43",
"cont... | 1,760,372,243.424556 | ||
https://hackaday.com/2023/07/07/improved-hydrogen-fuel-cells-are-groovy/ | Improved Hydrogen Fuel Cells Are Groovy | Al Williams | [
"Science",
"Transportation Hacks"
] | [
"fuel cell",
"hydrogen fuel cell"
] | According to [Charles Q. Choi], a new study indicates that
grooves in the hydrogen fuel cells
used to power vehicles can improve their performance by up to 50%. Fuel cells are like batteries because they use chemical reactions to create electricity. Where they are different is that a battery reacts a certain amount of ... | 13 | 5 | [
{
"comment_id": "6659966",
"author": "homie NJ",
"timestamp": "2023-07-07T11:11:01",
"content": "I’ve seen that kind of nano-structures on Xiaomi self-disinfecting toilet seats. Apparently theyre quite efficient, better than using domestos.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,243.382576 | ||
https://hackaday.com/2023/07/07/creating-a-joule-thomson-cryocooler-and-a-little-bit-of-history-at-home/ | Creating A Joule-Thomson Cryocooler And A Little Bit Of History At Home | Maya Posch | [
"Science"
] | [
"cryocooler",
"Joule-Thomson"
] | The fun part about crycoolers is that there are so many different and exciting ways to make stuff cold, based on a wide variety of physics. This is why after first exploring the Stirling/GM cycle and vapor-compression to create a cryocooler that he could liquefy nitrogen with, [Hyperspace Pirate] is
exploring a Joule-T... | 11 | 4 | [
{
"comment_id": "6659943",
"author": "M",
"timestamp": "2023-07-07T08:53:49",
"content": "Corrections:“create a cryocooler that could liquefy nitrogen with” -> “create a cryocooler with which to liquefy nitrogen”, or if you want to continue to have an informal tone, “create a cryocooler to liquefy n... | 1,760,372,243.526336 | ||
https://hackaday.com/2023/07/06/no-moving-parts-lidar/ | No Moving Parts LiDAR | Al Williams | [
"Laser Hacks"
] | [
"laser",
"lidar",
"surface acoustic wave"
] | Self-driving cars often use LiDAR — think of it as radar using light beams. One limitation of existing systems is they need some method of scanning the light source around, and that means moving parts. Researchers at the University of Washington have created a laser on a chip that uses acoustic waves to bend the laser,... | 29 | 10 | [
{
"comment_id": "6659918",
"author": "apl",
"timestamp": "2023-07-07T06:49:23",
"content": "+",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6659921",
"author": "C",
"timestamp": "2023-07-07T07:21:26",
"content": "I love compliant technology. It’s ... | 1,760,372,243.274229 | ||
https://hackaday.com/2023/07/06/inexpensive-ham-radio-gets-upgrades-thanks-to-a-trojan/ | Inexpensive Ham Radio Gets Upgrades Thanks To A Trojan | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"firmware",
"ham",
"handy talkie",
"Quansheng",
"RSSI",
"S-meter",
"trojan",
"uv k5"
] | Love them or hate them, the crop of cheap hand-held amateur radio transceivers is here to stay. They’re generally horrible radios, often smearing spurious emissions across the spectrum, but they’re cheap enough to throw in a glove box for emergencies, and they invite experimentation — for instance,
modifying the firmwa... | 21 | 10 | [
{
"comment_id": "6659882",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-07T02:36:29",
"content": "Now to install DOOM!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659983",
"author": "RBMK",
"timestamp": "2023-07-... | 1,760,372,243.587333 | ||
https://hackaday.com/2023/07/06/better-noise-reduction-with-science/ | Better Noise Reduction With Science | Al Williams | [
"Science"
] | [
"electrostatic loudspeaker",
"noise cancellation"
] | Most noise-blocking headphones fall into two categories: they use some kind of material to absorb or scatter noise, or they use active cancellation that creates a signal to oppose the noise signal. As you’ve probably noticed, both of these approaches have limitations. Now, Swiss scientists think they have a new method ... | 18 | 8 | [
{
"comment_id": "6659843",
"author": "DV Henkel-Wallace",
"timestamp": "2023-07-06T23:31:37",
"content": "You had me at “plasmaacoustic metalayers”.I a, sure I will use this regardless of whether it is better or not, just so I can say “plasmaacoustic metalayers”",
"parent_id": null,
"depth":... | 1,760,372,243.332501 | ||
https://hackaday.com/2023/07/06/adding-portals-to-quake/ | Adding Portals To Quake | Matthew Carlson | [
"Games",
"Retrocomputing",
"Software Hacks"
] | [
"graphics",
"portals",
"quake",
"rendering",
"software rendering"
] | For those who have played Quake extensively, adding portals seems unnecessary, as teleporters are already a core part of the game mechanics. What [Matthew Earl] accomplishes is more of the
Portal
style of portal by
rendering what is on the other side of the portal with a seamless teleportation transition
.
Of course, Q... | 14 | 5 | [
{
"comment_id": "6659790",
"author": "dtjo55",
"timestamp": "2023-07-06T20:12:04",
"content": "So… it’s replicating what GoldSrc engine had since 1998. There’s a reason why Valve is one of the biggest gaming companies and ID faded into obscurity eh?",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,243.474909 | ||
https://hackaday.com/2023/07/06/growing-simple-crystals-for-non-linear-optics-experiments/ | Growing Simple Crystals For Non-Linear Optics Experiments | Dan Maloney | [
"Laser Hacks"
] | [
"CHG",
"crystal",
"KDP",
"laser",
"NLO",
"non-linear optics",
"potassium dihydrogen phosphate",
"second-harmonics generation"
] | Here’s an exercise for you: type “crystals” into your favorite search engine and see what you get. If you’re anything like us, you’ll get a bunch of pseudoscientific posts about the healing power of crystals, along with offers to buy the same at exorbitant prices. But woo-woo aside, certain crystals do have seemingly m... | 18 | 9 | [
{
"comment_id": "6659769",
"author": "smellsofbikes",
"timestamp": "2023-07-06T18:59:54",
"content": "Wow, this is cool. I’ve worked with commercial nonlinear optics crystals and never thought you could DIY them. What a cool thing! For what it’s worth, the majority of cheap green laser pointers a... | 1,760,372,243.8092 | ||
https://hackaday.com/2023/07/06/iter-dreams-and-the-practical-reality-of-making-nuclear-fusion-work-on-earth/ | ITER Dreams And The Practical Reality Of Making Nuclear Fusion Work On Earth | Maya Posch | [
"Hackaday Columns",
"Rants",
"Science",
"Slider"
] | [
"ITER",
"nuclear fusion"
] | Doing something for the first time is tough. Yet to replicate the nuclear fusion process that powers the very stars, and do it right here on Earth in a controlled and sustained fashion is decidedly at the top of the list of ‘tough’ first times. What further complicates matters is when in order to even get to this ‘firs... | 52 | 14 | [
{
"comment_id": "6659735",
"author": "Truth",
"timestamp": "2023-07-06T17:24:03",
"content": "How much energy is lost due to bremsstrahlung, or braking radiation, as the charged particles rotate. I would imagine that it is a lot.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,244.070375 | ||
https://hackaday.com/2023/07/06/its-a-humble-scope-but-it-changed-our-world/ | It’s A Humble ‘Scope, But It Changed Our World | Jenny List | [
"History",
"Retrocomputing"
] | [
"Al Alcorn",
"Apple 2",
"pong",
"Steve Wozniak",
"Tektronix 465"
] | A few years ago on a long flight across the North Atlantic, the perfect choice for a good read was
iWoz
, the autobiographical account of [Steve Wozniak]’s life. In it, he described his work replicating the wildly successful
Pong
video game and then that of designing the 8-bit Apple computers. A memorable passage invol... | 45 | 26 | [
{
"comment_id": "6659702",
"author": "philosiraptor117",
"timestamp": "2023-07-06T15:44:54",
"content": "hey i have the same scope! paid 50 bucks for it!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659711",
"author": "Jan Praegert",
"time... | 1,760,372,244.272404 | ||
https://hackaday.com/2023/07/06/miners-vs-nasa-its-a-nevada-showdown/ | Miners Vs NASA: It’s A Nevada Showdown | Lewin Day | [
"Current Events",
"Featured",
"Original Art",
"Science"
] | [
"lithium",
"nasa",
"satellite",
"science",
"space"
] | Mining projects are approved or disapproved based on all kinds of reasons. There are economic concerns, logistical matters, and environmental considerations to be made. Mining operations can be highly polluting, or they can have outsized effects on a given area by sheer virtue of the material they remove or the byprodu... | 74 | 16 | [
{
"comment_id": "6659684",
"author": "Truth",
"timestamp": "2023-07-06T14:36:48",
"content": "The mining company should buy a 36 square-mile patch of land make it mirror smooth and cover it in a one inch layer of whatever would provide the best calibration target for NASA satellites – Job done.",
... | 1,760,372,244.192395 | ||
https://hackaday.com/2023/07/06/this-block-of-rubber-can-count-to-ten/ | This Block Of Rubber Can Count To Ten | Donald Papp | [
"Science"
] | [
"counter",
"flexure",
"mechanical",
"Metamaterial"
] | Complex behaviors can arise from simple mechanics, and that’s demonstrated by
a block of rubber that acts as a counter
.
The block contains beams, and by controlling how the block is compressed, the vertical beams shift in a stable and consistent way, acting as a mechanical counter. It’s a straightforward implementatio... | 19 | 7 | [
{
"comment_id": "6659661",
"author": "A",
"timestamp": "2023-07-06T11:50:35",
"content": "“Such a device would, in effect, be a simple computer.” Finally a computer you can literally punch information into!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659... | 1,760,372,243.967627 | ||
https://hackaday.com/2023/07/06/tentacle-robot-is-like-an-elephant-trunk/ | Tentacle Robot Is Like An Elephant Trunk | Al Williams | [
"Robots Hacks"
] | [
"soft robot",
"tentacle"
] | It sounds like bad science fiction or anime, but researchers are creating
helical-artificial fibrous muscle structured tubular soft actuators
. What? Oh, tentacle robot arms. Got it.
The researchers at Westlake University in China found inspiration in elephant trunks. Elephant trunks are entirely devoid of bone but use... | 1 | 1 | [
{
"comment_id": "6659634",
"author": "Joshua",
"timestamp": "2023-07-06T08:56:36",
"content": "Oh! I know this! It’s a.. Video game character?! 😕I’ve seen such a thing in the 90s.The game character in “WormWorld” looked the same.That was a Windows 3.1 game.https://www.youtube.com/watch?v=jSo5dz1cS... | 1,760,372,244.350845 | ||
https://hackaday.com/2023/07/05/system-essentially-contradicting-american-methods/ | System Essentially Contradicting American Methods | Jenny List | [
"Tech Hacks"
] | [
"composite video",
"ntsc",
"pal",
"SECAM",
"tv",
"video"
] | Today, acronyms such as PAL and initialisms such as NTSC are used as a lazy shorthand for 625 and 525-line video signals, but back in the days of analogue TV broadcasting they were much more than that, indeed much more than simply colour encoding schemes. They became political statements of technological prowess as nat... | 36 | 15 | [
{
"comment_id": "6659598",
"author": "Billy Bob",
"timestamp": "2023-07-06T05:37:44",
"content": "NTSC – Never The Same Colour",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659607",
"author": "Joshua",
"timestamp": "2023-07-06T06:27:45",
... | 1,760,372,244.478854 | ||
https://hackaday.com/2023/07/05/freecad-is-simple-according-to-this-tutorial/ | FreeCAD Is Simple, According To This Tutorial | Al Williams | [
"3d Printer hacks"
] | [
"cad",
"freecad",
"parametric design"
] | Remember learning to tie your shoes or ride a bike? Like many things, that’s easy once you know how to do it, but seems impossible before you learn. [NovaSpirit] asserts that Freecad is simple, and provides a simple
walkthrough to create a part
in the video below.
If this were riding a bike, this tutorial would be akin... | 44 | 15 | [
{
"comment_id": "6659552",
"author": "Severe Tire Damage",
"timestamp": "2023-07-06T02:10:26",
"content": "Simple? Ha! Lies! Don’t you believe it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659556",
"author": "HaHa",
"timestamp": "202... | 1,760,372,244.563581 | ||
https://hackaday.com/2023/07/05/a-tale-of-two-lamps/ | A Tale Of Two LÄMPs | Arya Voronova | [
"LED Hacks"
] | [
"desk lamp",
"pcb case",
"RGB LEDs",
"sk6812",
"spotlight",
"wireless desk lamp",
"YWW LEDs"
] | Building with LEDs is a hacker pastime like no other – what’s more, if you keep playing with LED tech out there, you’re bound to build something elegant and noteworthy. For today’s fix of beautiful LED devices, take a look at the two LÄMP creations of [Jana Marie], both LED projects building upon one another. It’s not ... | 4 | 2 | [
{
"comment_id": "6659724",
"author": "Drone",
"timestamp": "2023-07-06T17:02:38",
"content": "Isn’t there the ESP32-H with native 802.15.4 Zigbee? Why is the Zigbee abstraction needed in the first place? There’s already WiFi on every vanilla ESP32. I’m pretty sure there are good answers for these qu... | 1,760,372,244.31308 | ||
https://hackaday.com/2023/07/05/probably-the-cheapest-lens-you-will-ever-use/ | Probably The Cheapest Lens You Will Ever Use | Jenny List | [
"digital cameras hacks"
] | [
"disposable camera",
"lens",
"plastic lens"
] | Photographic enthusiasts will invariably amass an extensive collection of lenses, and in their communities there are near-mythical and sought-after lenses that change hands for incredible prices. It’s probably the oldest photographic adage though, that the best camera in the world is the one in your hand when the scene... | 23 | 13 | [
{
"comment_id": "6659476",
"author": "spaceminions",
"timestamp": "2023-07-05T20:26:49",
"content": "Whale, Akshuhally, The cheapest lens I will ever use is a pinhole in a piece of (opaque, e.g. aluminum) tape. Pretty neat though!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,244.407087 | ||
https://hackaday.com/2023/07/05/a-fuse-is-just-a-fuse-right/ | A Fuse Is Just A Fuse, Right? | Al Williams | [
"Parts"
] | [
"fuse"
] | We like to think that most common electronic components are essentially commodity items. We don´t buy premium wire or resistors. You just assume these electronic components are more or less the same from anywhere unless you need some very special characteristics. What about fuses? We would assume they are all essential... | 39 | 15 | [
{
"comment_id": "6659451",
"author": "Langster1980",
"timestamp": "2023-07-05T18:50:38",
"content": "Fake fuses are very much a thing…in a previous job I used to test products for electrical safety. A considerable number of cheaply imported electrical good came with fake fuses which would never have... | 1,760,372,244.64328 | ||
https://hackaday.com/2023/07/04/the-i960-when-intel-almost-went-risc/ | The I960: When Intel Almost Went RISC | Maya Posch | [
"Retrocomputing"
] | [
"ada",
"i960",
"iAPX 432"
] | The i960 KA/KB/MC/XA with the main functional blocks labeled. Click this image (or any other) for a larger version. Die image courtesy of Antoine Bercovici. Floorplan from
The 80960 microprocessor architecture
.
From the consumer space it often would appear as if Intel’s CPU making history is pretty much a straight lin... | 27 | 10 | [
{
"comment_id": "6659143",
"author": "Steve R",
"timestamp": "2023-07-05T02:07:46",
"content": "Ada, what a fun language. Takes strong typing to new levels.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6659190",
"author": "Jonathan Wilson",
"timestam... | 1,760,372,244.806991 | ||
https://hackaday.com/2023/07/04/quantum-computing-on-a-commodore-64-in-200-lines-of-basic/ | Quantum Computing On A Commodore 64 In 200 Lines Of BASIC | Maya Posch | [
"Retrocomputing",
"Science"
] | [
"basic",
"commodore 64",
"quantum computing"
] | The term ‘quantum computer’ gets usually tossed around in the context of hyper-advanced, state-of-the-art computing devices. But much as how a 19th century mechanical computer, a discrete computer created from individual transistors, and a human being are all computers, the important quantifier is how fast and accurate... | 17 | 7 | [
{
"comment_id": "6659060",
"author": "Tracy",
"timestamp": "2023-07-04T23:26:38",
"content": "Line 103 should use a GOSUB instruction and not the GOTO instruction.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659100",
"author": "fluffy",
"... | 1,760,372,244.862664 | ||
https://hackaday.com/2023/07/04/3d-audio-imaging-with-a-phased-array-microphone/ | 3D Audio Imaging With A Phased Array Microphone | Jonathan Bennett | [
"Artificial Intelligence"
] | [
"beamforming",
"fpga",
"microphone array"
] | Remember the scene from Blade Runner, where Deckard puts a photograph into a Photo Inspector? The virtual camera can pan and move around the captured scene, pulling out impossible details. It seems that
[Ben Wang] discovered how to make that particular trick a reality, but with audio
instead of video. The secret sauce ... | 28 | 13 | [
{
"comment_id": "6658923",
"author": "CRJEEA",
"timestamp": "2023-07-04T20:27:19",
"content": "So taking say 50 samples from 4 microphones, or 100 from 2, provided the sound your tracking is fairly repetitive or consistent and you can grab them fast enough, you could potentially triangulate somethin... | 1,760,372,244.977689 | ||
https://hackaday.com/2023/07/04/2023-cyberdeck-challenge-reviving-the-first-notebook-computer/ | 2023 Cyberdeck Challenge: Reviving The First Notebook Computer | Jenny List | [
"contests",
"Cyberdecks"
] | [
"2023 Cyberdeck Challenge",
"cyberdeck",
"EPSO",
"HX-20",
"raspberry pi"
] | At first sight upon seeing
[Don]’s HX2023 cyberdeck project
one might be sad at the destruction of a retrocomputer, but in fact its classic Epson shell comes from a pile of spare parts left after restoring many other of the classic HX20 notebook computers to working order. The result stays true to the original but give... | 7 | 5 | [
{
"comment_id": "6658862",
"author": "ruh46ruj46",
"timestamp": "2023-07-04T19:20:01",
"content": "I like ELLO 2small, thin (ugly keyboard I would normal mechanic low profile)but trouble with cyberdeck is POWER. Why do I need hardware that will work shorter than my cell phone?* I need a computer wit... | 1,760,372,244.907569 | ||
https://hackaday.com/2023/07/04/minimal-mods-make-commodity-lnbs-work-for-qo-100-reception/ | Minimal Mods Make Commodity LNBs Work For QO-100 Reception | Dan Maloney | [
"Radio Hacks"
] | [
"Es'hail-2",
"LNB",
"local oscillator",
"low-noise block down converter",
"QO-100",
"satellite",
"sdr"
] | A word of advice: If you see an old direct satellite TV dish put out to the curb, grab it before the trash collector does. Like microwave ovens, satellite dishes are an e-waste wonderland, and just throwing them away before taking out the good stuff would be a shame. And with dishes, the good stuff basically amounts to... | 15 | 8 | [
{
"comment_id": "6658664",
"author": "Teukka",
"timestamp": "2023-07-04T16:04:57",
"content": "This type of mod is also useful if you wish to have more frequency stability and precision while listening to stuff in the microwave bands using LNB’s, using a precision frequency source in one’s radio sha... | 1,760,372,245.277099 | ||
https://hackaday.com/2023/07/04/quetzal-1-satellite-goes-open-source/ | Quetzal-1 Satellite Goes Open Source | Jonathan Bennett | [
"Space"
] | [
"cube sat",
"open source"
] | Back in 2020, students from Universidad Del Valle De Guatemala (UVG) pulled off a really impressive feat,
designing and building a CubeSat
that lasted a whopping 211 days in orbit. In addition to telemetry and radio equipment, it carried a black-and-white camera payload.
But it turns out space is hard. The first pictur... | 30 | 7 | [
{
"comment_id": "6658544",
"author": "ono",
"timestamp": "2023-07-04T11:13:14",
"content": "I would not use anything else than CAN bus on such a thing. If it´s good for a Tesla, it should be OK for a sat (joking)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,245.349593 | ||
https://hackaday.com/2023/07/04/windows-10-the-hard-way-on-a-phone/ | Windows 10 The Hard Way: On A Phone | Al Williams | [
"Phone Hacks"
] | [
"cell phone",
"windows"
] | Sure, there are — or were — Windows phones. But [neozed] wanted something different. An earlier project ran Windows 10 on the Raspberry Pi 4 with some tricks, but those are sometimes hard to come by lately, so the next project was to put one on
a Xiaomi PocoPhone F1
.
The choice of phone wasn’t an accident. There was e... | 19 | 7 | [
{
"comment_id": "6658574",
"author": "KSanger",
"timestamp": "2023-07-04T13:29:49",
"content": "The fact that one may attempt and actually put Win 10 on a phone is the problem with Win 10. Installing it on a laptop requires disabling everything you need on your phone. The computer OS should not ... | 1,760,372,245.226087 | ||
https://hackaday.com/2023/07/03/theres-always-room-for-another-cycle-accurate-pc-emulator/ | There’s Always Room For Another Cycle Accurate PC Emulator | Jenny List | [
"Retrocomputing"
] | [
"emulator",
"pc",
"PC-XT"
] | While many Hackaday readers will have their own pieces of classic hardware lovingly preserved, it still remains that most of us get our fix of retro goodness through emulation. And while there are emulators aplenty for almost every platform imaginable, the world of emulation is never complete. Thus we’re happy to encou... | 17 | 5 | [
{
"comment_id": "6658494",
"author": "Gérald",
"timestamp": "2023-07-04T07:03:26",
"content": "Is there any emulator for Micral 8022G?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6658585",
"author": "Severe Tire Damage",
"timestamp": "2023-07-04T13:... | 1,760,372,245.163414 | ||
https://hackaday.com/2023/07/03/pratt-parsing-for-algebraic-expressions/ | Pratt Parsing For Algebraic Expressions | Al Williams | [
"Software Development"
] | [
"algebraic computation",
"parser",
"pratt parser"
] | Parsing algebraic expressions is always a pain. If you need to compute, say, 2+4*2, the answer should be the same as (2 + (4 *2)), not ((2 + 4) * 2) — in other words, the right answer is 10, not 12. The classic way to do this is to use two stacks and a table of precedences for the operators. However, [Martin Janiczek] ... | 10 | 5 | [
{
"comment_id": "6658474",
"author": "Artenz",
"timestamp": "2023-07-04T05:10:25",
"content": "Even simpler to understand is to make a set of different functions, each responsible for different level. So you start with ‘parse_expr()’ which calls ‘parse_term()’, which calls ‘parse_factor()’. The par... | 1,760,372,245.109479 | ||
https://hackaday.com/2023/07/03/cooling-paint-you-can-actually-make/ | Cooling Paint You Can Actually Make | Jonathan Bennett | [
"chemistry hacks",
"News",
"Science"
] | [
"Chemistry",
"infrared",
"passive cooling"
] | [NightHawkInLight]
has been working on radiative sky paint
. (Video, embedded below.) That’s a coating that radiates heat in the infrared spectrum at a wavelength that isn’t readily absorbed or reflected by the atmosphere. The result is a passive system that keeps materials a few degrees cooler in direct sunlight than ... | 59 | 18 | [
{
"comment_id": "6658396",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2023-07-03T23:37:17",
"content": "Brilliant, good to see focus on a key issue dealing with essentials of radiative transfer to redistribute infra red, good stuff, thanks for post :-)",
"parent_id": null,
... | 1,760,372,245.496397 | ||
https://hackaday.com/2023/07/03/adding-smart-watch-features-to-vintage-casio/ | Adding Smart Watch Features To Vintage Casio | Bryan Cockfield | [
"Radio Hacks"
] | [
"3d printed",
"antenna",
"casio",
"chip",
"contactless payment",
"f-91w",
"NFC",
"radio",
"watch"
] | [Matteo] has been a fan of the Casio F-91W wristwatch virtually since its release in 1989. And not without good reason, either. The watch boasts reliable timekeeping and extremely long battery life thanks to a modern quartz crystal and has just about every feature needed in a watch such as an alarm and a timer. And, si... | 16 | 9 | [
{
"comment_id": "6658372",
"author": "spaceminions",
"timestamp": "2023-07-03T21:54:04",
"content": "The hack is pretty neat, but in my opinion (and probably that of the source) that watch is more of a classic than modern at this point. The 30 year old tech is still fine as far as accuracy, but alar... | 1,760,372,245.401504 | ||
https://hackaday.com/2023/07/03/the-chess-computer-from-1912/ | The Chess Computer From 1912 | Al Williams | [
"classic hacks"
] | [
"automaton",
"chess",
"chess computer",
"mechanical"
] | Who was [Leonardo Torres Quevedo]? Not exactly a household name, but as [IEEE Spectrum] points out, he invented
a chess automaton in 1920
that would foreshadow the next century’s obsession with computers playing chess.
Don’t confuse this with the infamous
Mechanical Turk
, which appeared to be a chess computer but was ... | 12 | 6 | [
{
"comment_id": "6658329",
"author": "MarB",
"timestamp": "2023-07-03T19:52:11",
"content": "That’s a pretty interesting find.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6658345",
"author": "lukilukeskywalker",
"timestamp": "2023-07-03T20:46:04",
... | 1,760,372,245.551067 | ||
https://hackaday.com/2023/07/03/supercon-2022-bradley-gawthrop-wants-you-to-join-the-pev-revolution/ | Supercon 2022: Bradley Gawthrop Wants You To Join The PEV Revolution | Navarre Bartz | [
"cons",
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"bike",
"electric bike",
"electric scooter",
"electric skateboard",
"electric vehicle",
"ev",
"hoverboard",
"micromobility",
"one wheel",
"Personal Electric Vehicle",
"PEVs",
"segway",
"skateboard"
] | During the 20th Century, much of the western world decided that motor vehicles were the only desirable form of transportation. We built our cities to accommodate cars through parking, stop lights, and any number of other infrastructure investments so that you could go get milk and bread in style. In the US, 50% of auto... | 70 | 29 | [
{
"comment_id": "6658295",
"author": "rclark",
"timestamp": "2023-07-03T17:36:34",
"content": "The middle aged and elderly would get around great on those things. Especially on icy roads, and in-climate weather. And really really well in big cities with high crime. Be a lot easier than car jacking ... | 1,760,372,245.698916 | ||
https://hackaday.com/2023/07/03/3d-printing-food-hack-chat/ | 3D Printing Food Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, July 5 at noon Pacific for the
3D Printing Food Hack Chat
with Ellie Weinstein!
In the right hands, food goes beyond mere sustenance and becomes a work of art. We’ve all seen examples — the carefully crafted blends of flavors, the quality ingredients expertly cooked, the artful platings that make ... | 1 | 1 | [
{
"comment_id": "6660636",
"author": "vidmate.bet",
"timestamp": "2023-07-09T18:39:02",
"content": "SECAM has the same line and frame frequency as PAL, but its colour subcarrier is frequency modulated instead of amplitude modulated. It completely avoids the NTSC and PAL phase errors by not being sus... | 1,760,372,245.587791 | ||
https://hackaday.com/2023/07/03/hacking-the-commodore-128-to-capture-almost-real-time-video/ | Hacking The Commodore 128 To Capture Almost Real-Time Video | Robin Kearey | [
"Retrocomputing",
"Video Hacks"
] | [
"commodore 128",
"VDC",
"VIC-II",
"video capture"
] | Although watching and editing videos may be among the primary tasks of many PCs today, it wasn’t that long ago that working with video required powerful processors and expensive video capture hardware. Even in the 1980s, home computer users were looking for ways to connect video sources to their Commodores and Ataris d... | 10 | 7 | [
{
"comment_id": "6658237",
"author": "Sweeney",
"timestamp": "2023-07-03T15:19:46",
"content": "Kind of depends on your definition of “Real Time””. It seems to be taking multiple seconds per frame here. There was an example a while back where real time video was converted to PETSCII and displayed on... | 1,760,372,245.896996 | ||
https://hackaday.com/2023/07/03/ice-wrenchers-wrencher-chocolates-and-the-vaquform-dt2/ | Ice Wrenchers, Wrencher Chocolates, And The Vaquform DT2 | Jenny List | [
"cooking hacks",
"Featured",
"Reviews",
"Slider",
"Tool Hacks"
] | [
"jolly wrencher",
"vacuum forming",
"vaquform"
] | What do you do when you find some friends have bought a vacuum forming machine? Make novelty chocolates and ice cubes, of course! This was my response when I had the opportunity to play with a Vaquform DT2 all-in-one vacuum forming machine, so what follows is partly a short review of an exciting machine, and partly an ... | 9 | 5 | [
{
"comment_id": "6658232",
"author": "drgdg",
"timestamp": "2023-07-03T15:17:18",
"content": "Is there many hacking/making use cases for this machine besides ice trays and food molds ? Genuinely curious as I like the technology but it’s always seemed to be more suited for artistic builds than techni... | 1,760,372,245.846175 | ||
https://hackaday.com/2023/07/03/three-pitfalls-in-i2c-everyone-wishes-werent-there/ | Three Pitfalls In I2C Everyone Wishes Weren’t There | Maya Posch | [
"Microcontrollers",
"Software Development"
] | [
"bus",
"i2c",
"multi-drop bus",
"serial",
"spi"
] | The best part of I2C is that it is a bus that is available just about anywhere, covering a vast ecosystem of devices that offer it as a hardware-defined interface, while being uncomplicated enough that it can also be implemented purely in software on plain GPIO pins. Despite this popularity, I2C is one of those famous ... | 95 | 13 | [
{
"comment_id": "6658149",
"author": "YGDES",
"timestamp": "2023-07-03T11:09:38",
"content": "Even ignoring these pitfalls, I avoid I2C as much as possible…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6658162",
"author": "Artenz",
"timesta... | 1,760,372,246.274458 | ||
https://hackaday.com/2023/07/03/freq-out-with-ltspice/ | Freq Out With LTSpice | Al Williams | [
"Software Hacks",
"Tool Hacks"
] | [
"analog",
"LTSpice",
"simulation",
"SPICE"
] | We always enjoy [FesZ’s] videos, and his latest about
FREQ function in LTSpice
is no exception. In fact, LTSpice doesn’t document it, but it is part of the underlying Spice system. So, of course, you can figure it out or just watch the video below. The FREQ keyword allows you to change component attributes in a frequen... | 4 | 2 | [
{
"comment_id": "6658259",
"author": "Drone",
"timestamp": "2023-07-03T16:15:33",
"content": "Clicking on “Watch on YouTube” in this HaD post results in a new browser window that says: “Blocked Page An error occurred during a connection tohttp://www.youtube.com“. The actual link ishttps://youtu.be/A... | 1,760,372,245.989206 | ||
https://hackaday.com/2023/07/02/presence-sensor-locks-computer-when-you-step-away/ | Presence Sensor Locks Computer When You Step Away | Bryan Cockfield | [
"Microcontrollers"
] | [
"computer",
"detection",
"ld2410",
"lock",
"microcontroller",
"motion",
"presence",
"radar",
"security",
"Seed Xiao nrf52840",
"workstation"
] | Having a computer that locks its screen after a few minutes of inactivity is always a good idea from a security standpoint, especially in offices where there is a lot of foot traffic. Even the five- or ten-minute activity timers that are set on most workstations aren’t really perfect solutions. While ideally in these s... | 14 | 11 | [
{
"comment_id": "6658112",
"author": "paulvdh",
"timestamp": "2023-07-03T07:38:54",
"content": "You can also do this with a crotch sensor :Phttps://hackaday.com/2022/12/12/students-rebel-against-heat-sensing-crotch-monitor-surveillance-devices/One thing that confuses me a bit is the “One of the part... | 1,760,372,245.950878 | ||
https://hackaday.com/2023/07/02/watching-paint-dry-for-over-100-years/ | Watching Paint Dry For Over 100 Years | Michael Shaub | [
"car hacks"
] | [
"auto industry",
"automaker",
"car",
"car paint",
"ford",
"history",
"model t",
"paint",
"rust"
] | A Model T Ford customer could famously get their car “in any color he wants, so long as it’s black.” Thus begins [edconway]’s
recounting of the incremental improvements in car paint and its surprising role in mass production, marketing, and longevity of automobiles
.
In it, we learn that the aforementioned black paint ... | 19 | 10 | [
{
"comment_id": "6658053",
"author": "PEBKAC",
"timestamp": "2023-07-03T02:08:40",
"content": "A Model S customer can have it in whatever paintjob they want… as long as it’s orangepeel!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6658250",
"author... | 1,760,372,246.128458 | ||
https://hackaday.com/2023/07/02/hackaday-links-july-2-2023/ | Hackaday Links: July 2, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"alarm",
"animation",
"biology",
"chrome",
"disaster",
"eclipse",
"fire",
"freezer",
"gofundme",
"hackaday links",
"hackerspace",
"jwst",
"mac",
"makerspace",
"os",
"Pixelbar",
"Saturn",
"scammer",
"supercold",
"telemarketer",
"victim",
"windows"
] | Members of Pixelbar woke up to shocking news on Wednesday morning this week as they learned that
a fire had destroyed the building housing their Rotterdam hackerspace
.
Pictures of the fire
are pretty dramatic and show the entire building ablaze. We’re not familiar with Pixelbar specifically, but most hackerspaces seem... | 21 | 8 | [
{
"comment_id": "6657992",
"author": "J ODell",
"timestamp": "2023-07-02T23:25:18",
"content": "The RPI incident occurred during the COVID lockdowns, when universities (like mine) mandated all the grad students and professors work from home. The service tech was also working under COVID restriction... | 1,760,372,246.378779 | ||
https://hackaday.com/2023/07/01/fujitsu-proprietary-keyboard-goes-ps-2-with-a-pico/ | Fujitsu Proprietary Keyboard Goes PS/2 With A Pico | Jonathan Bennett | [
"Retrocomputing"
] | [
"keyboards",
"Paspberry Pi Pico",
"retro computing"
] | One of our favorite retro-computing YouTubers, [Clint] from LGR,
found himself a very interesting Fujitsu keyboard
while thrift store shopping. It was a beautiful unit, but confusing, as this keyboard comes with an 8-pin DIN connector. A 5-pin DIN plug or 6-pin Mini-DIN would be easy to work with, but what was this odd... | 8 | 3 | [
{
"comment_id": "6657679",
"author": "gregg4",
"timestamp": "2023-07-02T01:14:04",
"content": "Incidentally depending on how old that Olympus contraption was, because I’m quite familiar with them, it would have contained a Compaq MB from a deskpro design, possible an 80386 and a good sized IDE disk ... | 1,760,372,246.318044 | ||
https://hackaday.com/2023/07/01/a-cvt-for-every-application/ | A CVT For Every Application | Jenny List | [
"Transportation Hacks"
] | [
"continuously variable",
"continuously variable transmission",
"CVT",
"Robert Murray-Smith",
"transmission"
] | When the subject of CVTs or continuously variable transmissions comes up, the chances are that most readers will think of the various motor vehicles they’ve appeared in. Whether it’s a DAF, a Ford, a FIAT, or a Chevrolet, most major manufacturers have tried one at some point or another with greater or lesser success. T... | 36 | 13 | [
{
"comment_id": "6657638",
"author": "DomML",
"timestamp": "2023-07-01T20:43:09",
"content": "Dacia is selling “cheap” cars with cvt",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6657649",
"author": "Hirudinea",
"timestamp": "2023-07-01T21:4... | 1,760,372,246.506397 | ||
https://hackaday.com/2023/07/01/hackaday-prize-2023-throwaway-temperature-logger-to-useful-arm-dev-board/ | Hackaday Prize 2023: Throwaway Temperature Logger To Useful ARM Dev Board | Jenny List | [
"Reverse Engineering",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"dev board",
"e-waste",
"temperature logger"
] | The global supply chain is a masterpiece of containerized logistics that allows a container to leave a factory in China and arrive on a British forecourt after only a few weeks, but along with the efficiency it brings a traceability and monitoring problem. If you are shipping perishable items such as medicines or foods... | 5 | 3 | [
{
"comment_id": "6657643",
"author": "Paul",
"timestamp": "2023-07-01T21:12:28",
"content": "I was handed a similar one recently, but this one intended for long-haul high-value frozen food trucking. It included a GPS receiver, and was powered by four non-replaceable disposable Energizer 1.6V lithiu... | 1,760,372,246.433304 | ||
https://hackaday.com/2023/07/01/shall-we-hack-a-game/ | Shall We Hack A Game? | Elliot Williams | [
"Hackaday Columns"
] | [
"ethical hacking",
"newsletter",
"reverse engineering"
] | A fantastic summertime game
has consumed many of the kids in my neighborhood. It’s basically a treasure hunt, but the treasures are all shoebox-sized NFC readers that are “easily” findable on a map. Players all have a smart card and run around from box to box, collecting points that depend on how far apart the boxes ar... | 26 | 9 | [
{
"comment_id": "6657579",
"author": "GotNoTime",
"timestamp": "2023-07-01T14:33:02",
"content": "It uses mobile data as backhaul to the server. A company called pironex designed it and describe the system athttps://pironex.com/references/iot-gateway-applications.html#kreuzundquer-crisscross“Each ga... | 1,760,372,246.611597 | ||
https://hackaday.com/2023/07/01/an-all-sky-camera-to-watch-the-night-sky/ | An All Sky Camera To Watch The Night Sky | Jenny List | [
"digital cameras hacks",
"Space"
] | [
"all-sky camera",
"astronomy",
"Pi HQ camera",
"raspberry pi"
] | If you have any astronomer friends you’ll soon discover that theirs is a world of specialist high-quality optical equipment far ahead of the everyday tinkerer, and for mere mortals the dream of those amazing deep space images remains out of reach. It’s not completely impossible for the night sky to deliver impressive i... | 8 | 4 | [
{
"comment_id": "6657588",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-01T15:25:48",
"content": "I just want to say,Check into books by Micheal Covington if you’d like to learn more about amateur astrophotography.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,246.548381 | ||
https://hackaday.com/2023/07/01/exploring-the-tech-behind-concert-led-wristbands/ | Exploring The Tech Behind Concert LED Wristbands | Danie Conradie | [
"LED Hacks"
] | [
"concert",
"LED wearables",
"pixmob"
] | LED wristbands are now a common feature of large arena concerts and events, with a variety of capabilities and technical implementations. In the video after the break, Wall Street Journal does a fascinating
deep dive into these wearable light shows
.
The three main control technologies are IR light, RF radios, and Blue... | 15 | 7 | [
{
"comment_id": "6657557",
"author": "zoobab",
"timestamp": "2023-07-01T11:20:00",
"content": "Go to one of those concerts, reverse engineer the infrared messages, and come to the next concert with your own infrared transmitter :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,246.71655 | ||
https://hackaday.com/2023/06/30/creating-a-commodore-64-cartridge-on-single-sided-stripboard/ | Creating A Commodore 64 Cartridge On Single-Sided Stripboard | Maya Posch | [
"Retrocomputing"
] | [
"gommodore 64",
"rom cartridge",
"stripboard"
] | The DIY Commodore 64 cartridge. (Credit: Linus Åkesson)
When you want to write software for a system like the Commodore 64, the obvious and safe choice is to create an image that can be used with a tape or floppy drive emulator. Yet these come with the obvious disadvantage of loading time and manual steps, much like wi... | 10 | 3 | [
{
"comment_id": "6657551",
"author": "Gino Latino",
"timestamp": "2023-07-01T10:52:05",
"content": "Double side stripboards are more expensive and hard to find, but RS Uk has some modelshttps://uk.rs-online.com/web/p/stripboards/1004182?gb=bThis project goes into the category: find an non-existing p... | 1,760,372,246.662748 | ||
https://hackaday.com/2023/07/02/saying-goodbye-to-don-lancaster/ | Saying Goodbye To Don Lancaster | Adam Fabio | [
"News"
] | [
"Don Lancaster",
"guru",
"tinaja"
] | The electronics world has lost a guru. On June 7th this year,
Don Lancaster passed away
. [Brad] from
Tech Time Traveller
paid tribute to Don in a recent video
. Don Lancaster was perhaps best known as the designer of the
TV Typewriter
. The Typewriter drew characters on a TV screen when the user typed on a keyboard. ... | 64 | 36 | [
{
"comment_id": "6657924",
"author": "Wallace Owen",
"timestamp": "2023-07-02T20:05:15",
"content": "TTL cookbook, CMOS cookbook, and Active Filter cookbook were my constant companions in the 70s and 80s.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "665794... | 1,760,372,247.03251 | ||
https://hackaday.com/2023/07/02/pill-bugs-and-chitons-get-jobs-as-tiny-grippers/ | Pill Bugs And Chitons Get Jobs As Tiny Grippers | Donald Papp | [
"Robots Hacks",
"Science"
] | [
"Animals",
"biological",
"chiton",
"gripper",
"pill bug",
"research",
"robotics"
] | A research paper titled
Biological Organisms as End Effectors
explores the oddball approach of giving small animals jobs as grippers at the end of a robotic arm. Researchers show that pill bugs and chitons — small creatures with exoskeletons and reflexive movements — have behaviors making them useful as grippers, with ... | 24 | 10 | [
{
"comment_id": "6657868",
"author": "K1R4",
"timestamp": "2023-07-02T17:18:52",
"content": "and the first cyborgs are born",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6657910",
"author": "Eric Weatherby",
"timestamp": "2023-07-02T18:54:38... | 1,760,372,249.129021 | ||
https://hackaday.com/2023/07/02/computer-speed-gains-erased-by-modern-software/ | Computer Speed Gains Erased By Modern Software | Bryan Cockfield | [
"Software Development"
] | [
"application",
"comparison",
"latency",
"modern",
"retro",
"software",
"speed",
"Windows 11",
"windows 2000"
] | [Julio] has an older computer sitting on a desk, and recorded a quick video with it showing how fast this computer can do seemingly simple things, like open default Windows applications including the command prompt and Notepad. Compared to his modern laptop, which seems to struggle with even these basic tasks despite i... | 284 | 50 | [
{
"comment_id": "6657804",
"author": "monsonite",
"timestamp": "2023-07-02T14:17:53",
"content": "I cannot agree more.I have an elderly Lenovo laptop that I never turn off because it sometimes takes over an hour to reboot.Switching between applications can take tens of seconds.Perhaps it is RAM limi... | 1,760,372,249.549 | ||
https://hackaday.com/2023/07/02/put-more-power-in-your-dental-hygiene-routine/ | Put More Power In Your Dental Hygiene Routine! | Jenny List | [
"home hacks"
] | [
"4-stroke",
"electric toothbrush",
"gasoline engine",
"more power"
] | What do you do, when you move into a shared apartment and find only one socket is available among four electric toothbrushes? Revert to an old-style manual brush? If you’re [luisengineering], not a bit of it.
He’s modified an electric toothbrush with the only sensible power plant
, a three-horsepower twin cylinder four... | 15 | 8 | [
{
"comment_id": "6657772",
"author": "70sjukebox",
"timestamp": "2023-07-02T11:29:47",
"content": "“He’s modified an electric toothbrush with the only sensible power plant”Power source perhaps makes more sense?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,248.849041 | ||
https://hackaday.com/2023/07/02/testing-futuristic-propeller-designs-with-a-3d-printer-and-a-solar-powered-boat/ | Testing Futuristic Propeller Designs With A 3D Printer And A Solar-Powered Boat | Maya Posch | [
"Transportation Hacks"
] | [
"3d printing",
"rctestflight",
"toroidal propeller"
] | The toroidal boat propeller pair installed. (Credit: rctestflight)
As boring as propeller designs may seem to the average person, occasionally there’s a bit of a dust-up in the media about a ‘new’ design that promises at least a few percent improvement in performance, decreased noise profile, or any combination of such... | 21 | 10 | [
{
"comment_id": "6657757",
"author": "Mystick",
"timestamp": "2023-07-02T10:50:54",
"content": "My limited instinct tells me those are going to cavitate, leading to increased wear, decreased lifetime and degraded performance.One thing you could do is look into nuclear submarine props… while those de... | 1,760,372,248.737535 | ||
https://hackaday.com/2023/07/01/an-esp32-dev-board-as-a-framework-laptop-module/ | An ESP32 Dev Board As A Framework Laptop Module | Jenny List | [
"Peripherals Hacks"
] | [
"ESP32-S3",
"expansion",
"framework",
"laptop",
"portable",
"USB C"
] | The Framework laptop will no doubt already have caught the eye of more than one Hackaday reader, as a machine designed for upgrade and expansion by its users. One of its key features is a system of expansion modules. The modules are USB-C devices in a form factor that slides into the expansion bays on the Framework Lap... | 17 | 7 | [
{
"comment_id": "6657716",
"author": "ono",
"timestamp": "2023-07-02T06:20:26",
"content": "An edge use case of a niche product on the fringe of the laptop market: This will interest at least 11111111 people in the word.Ah and those buttons. Seems like an easy problem for a solution that does not ex... | 1,760,372,248.956112 | ||
https://hackaday.com/2023/07/01/importing-eagle-projects-into-kicad-7-and-how-to-fix-them/ | Importing EAGLE Projects Into KiCad 7, And How To Fix Them | Donald Papp | [
"how-to"
] | [
"eagle",
"eda",
"how-to",
"KiCAD",
"migration",
"pcb"
] | Migrating a PCB design from one CAD software package to another is no one’s favorite task. It almost never works cleanly. Often there are missing schematic symbols, scrambled PCB footprints, and plenty of other problems. Thankfully [shabaz] shows
how to import EAGLE projects into KiCad 7
and fix the most common problem... | 12 | 6 | [
{
"comment_id": "6657689",
"author": "john ferguson",
"timestamp": "2023-07-02T02:12:38",
"content": "I read the Eagle GoAway announcement more closely and for my purposes, it looks like it will be there until June 7, 2026 – 3 more years.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,249.235066 | ||
https://hackaday.com/2023/06/30/rocky-strikes-back-at-red-hat/ | Rocky Strikes Back At Red Hat | Jenny List | [
"Linux Hacks",
"News"
] | [
"gpl",
"linux",
"red hat",
"Rocky Linux"
] | The world of Linux has seen some disquiet over recent weeks following the decision of Red Hat to restrict source code distribution for Red Hat Enterprise Linux (RHEL) to only their paying customers. We’re sure that there will be plenty of fall-out to come from this news, but what can be done if your project relies upon... | 56 | 14 | [
{
"comment_id": "6657502",
"author": "Truth",
"timestamp": "2023-07-01T02:58:00",
"content": "I can see a firewall rule added that requires a login to allow access to download.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6657505",
"author": "NiHao... | 1,760,372,249.058972 | ||
https://hackaday.com/2023/06/30/a-quick-and-easy-tape-measure-turnstile-antenna-for-milsat-snooping/ | A Quick And Easy Tape Measure Turnstile Antenna For MILSAT Snooping | Dan Maloney | [
"Radio Hacks"
] | [
"circular polarization",
"LHCP",
"milsat",
"phasing",
"pirates",
"RHCP",
"satcom",
"satellite",
"tape measure",
"turnstile"
] | The number of satellites whizzing by over our heads at any moment is staggering, and growing at a rapid rate as new constellations are launched. But sometimes it’s the old birds that are the most interesting, as is the case with some obsolete but still functional military communications satellites, which thanks to a la... | 16 | 5 | [
{
"comment_id": "6657478",
"author": "Stappers",
"timestamp": "2023-06-30T23:34:33",
"content": "Sounds more like distress call from People who try to escape Lybia and other collapsed states around South-Europe / North-Asia region.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,248.898169 | ||
https://hackaday.com/2023/06/30/its-easy-to-make-gears-out-of-wood/ | It’s Easy To Make Gears Out Of Wood | Lewin Day | [
"Misc Hacks"
] | [
"gears",
"wood",
"woodworking"
] | Typically, most of the gears we use in our life are made of plastic or metal. However, wood gears can do just fine in some simple roles, and they’re utterly pleasant to make,
as this video from [botto bie] demonstrates.
With steady hands, it’s easy to make basic gears by hand with basic tools and a printer. You just ne... | 20 | 9 | [
{
"comment_id": "6657434",
"author": "Adjustinthings",
"timestamp": "2023-06-30T20:06:23",
"content": "The generation gap is widening.https://www.youtube.com/watch?v=oNuhr3htNWs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6657437",
"author": "IIVQ... | 1,760,372,249.189437 | ||
https://hackaday.com/2023/06/30/picopad-is-a-new-open-source-game-console/ | Picopad Is A New Open Source Game Console | Lewin Day | [
"Games"
] | [
"handheld",
"picopad",
"Raspberry Pi Pico"
] | Microcontrollers are so powerful these days that you can build color handheld games with them that match or exceed what you’d ever get on the Game Boys and Game Gears of yesteryear.
The Picopad aims to offer just this
, in an open-source hackable format that’s friendly to experimenters.
As you might have guessed from t... | 18 | 8 | [
{
"comment_id": "6657422",
"author": "Daid",
"timestamp": "2023-06-30T18:51:11",
"content": "I always find it sad to see that people put so much effort in some custom gaming console and then make it practically unusable by using the worst possible buttons.Also, 4 directional buttons does not make a ... | 1,760,372,248.796441 | ||
https://hackaday.com/2023/06/30/vintage-computer-festival-southwest-bil-and-als-excellent-adventure/ | Vintage Computer Festival Southwest: Bil And Al’s Excellent Adventure | Al Williams | [
"cons",
"Retrocomputing"
] | [
"VCF",
"Vintage Computer Festival"
] | There was a time when seeing an actual computer was a big deal. They were in air-conditioned rooms with raised floors and locked doors. Even at a university, you were likely only to get access to a keypunch machine or a terminal. Then small computers came out, but computer stores were few and far between. Now you can g... | 12 | 6 | [
{
"comment_id": "6657397",
"author": "Michael Black",
"timestamp": "2023-06-30T17:13:08",
"content": "We had a computer store here in the fall of 1997. I didn’t even look at the computers, too expensive. So I’d buy magazine and books. I got my First Book of Kim there in 1979 after getting my KIM-... | 1,760,372,249.715962 | ||
https://hackaday.com/2023/06/30/hackaday-podcast-225-leafy-meats-wind-to-heat-and-a-machine-thats-neat/ | Hackaday Podcast 225: Leafy Meats, Wind To Heat, And A Machine That’s Neat | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos don’t have a whole lot in the way of news, but we do know this:
the Green Hacks Challenge of the 2023 Hackaday Prize ends precisely at 7AM PDT on July 4th
. Show us what you can do in the realm of hacking
for
the planet, be it solar-based, wind-powered, recy... | 2 | 1 | [
{
"comment_id": "6657708",
"author": "Johnowhitaker",
"timestamp": "2023-07-02T04:54:58",
"content": "I just want to thank you folks for all the work put in producing this excellent podcast each week! I really appreciate it, great stuff :)",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,249.79989 | ||
https://hackaday.com/2023/06/30/forgettable-computer-great-keyboard-now-available-in-usb/ | Forgettable Computer, Great Keyboard. Now Available In USB | Jenny List | [
"Peripherals Hacks",
"Retrocomputing"
] | [
"coleco adam",
"keyboard",
"Teensy",
"usb keyboard"
] | The Coleco Adam is one of the great might-have-beens of the 8-bit home computer era, with an impressive bundle and on-paper spec let down by bugs, hardware issues, and poor availability. It’s something of a footnote today but it seems Coleco did get something right as it had a great keyboard. [Nick Bild] has one, and
h... | 7 | 3 | [
{
"comment_id": "6657373",
"author": "Michael Black",
"timestamp": "2023-06-30T15:12:48",
"content": "A local store had Adam keyboards. I was very tempted to buy one, maybe thirty years ago. But at the time, not sure of the interface.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,249.756918 | ||
https://hackaday.com/2023/06/28/a-basic-interpreter-for-the-raspberry-pi-pico/ | A BASIC Interpreter For The Raspberry Pi Pico | Lewin Day | [
"Misc Hacks"
] | [
"basic",
"basic interpreter",
"pi pico",
"pico",
"raspberry pi",
"Raspberry Pi Pico"
] | It’s pretty easy to program the Raspberry Pi Pico in Python, or you can use C or C++ if you so desire. However, if you fancy the easy language of yesteryear,
you might like PiccoloBASIC from [Gary Sims].
Putting it simply, piccoloBASIC is a BASIC interpreter that runs on the Raspberry Pi Pico. It features all the good ... | 38 | 10 | [
{
"comment_id": "6656906",
"author": "Stephen Walters",
"timestamp": "2023-06-29T02:15:24",
"content": "FORTH next please!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6656928",
"author": "BrightBlueJim",
"timestamp": "2023-06-29T04:40:27",... | 1,760,372,249.874026 | ||
https://hackaday.com/2023/06/28/a-different-approach-to-ev-conversions/ | A Different Approach To EV Conversions | Navarre Bartz | [
"car hacks"
] | [
"electric cars",
"electric drive",
"electronic vehicle",
"ev",
"EV conversion"
] | While there are a lot of exciting electric vehicles finally coming to market, many of us feel nostalgic for the fossil cars of our youth. [Mihir Vardhan] restored his grandfather’s car with an
unusual gas-to-EV conversion
.
While this conversion starts in the usual fashion by pulling out the gas engine, [Vardhan] takes... | 53 | 20 | [
{
"comment_id": "6656872",
"author": "bob",
"timestamp": "2023-06-28T23:21:18",
"content": "many modern cars are built so cheaply they lack a keyway on the crankshaft cog. I think this is a terrible idea because a timing belt or chain is not rated to the torque it takes to pull a car loaded with peo... | 1,760,372,249.960923 | ||
https://hackaday.com/2023/06/28/do-everything-led-indicator-light-runs-from-4v-to-60v/ | Do-Everything LED Indicator Light Runs From 4V To 60V | Lewin Day | [
"LED Hacks"
] | [
"indicator",
"indicator light",
"led",
"light"
] | If you’re working with 3.3V or 5V circuits, it’s easy for you to throw on a power or status LED here or there. [Tom Gralewicz] has found himself in a pickle, though, often working on projects with voltages like 36V or 48V. Suddenly, it’s no longer practical to throw an LED and a resistor on a line to verify if it’s pow... | 31 | 12 | [
{
"comment_id": "6656856",
"author": "mshr",
"timestamp": "2023-06-28T22:02:54",
"content": "LEDs are current-driven elements so they don’t really care about voltage. I guess you could regulate them with a basic 2N2222 circuit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,250.127676 | ||
https://hackaday.com/2023/06/28/you-can-3d-print-a-12500-rpm-brushless-motor/ | You Can 3D Print A 12,500 RPM Brushless Motor | Lewin Day | [
"Parts"
] | [
"BLDC",
"brushless motor",
"cad",
"motor"
] | Typically, when most of us need a motor, we jump online to order one from a catalogue.
[Levi Janssen] recently had to build his own for a college project
, however, and learned a lot along the way.
[Levi] whipped up his
brushless DC motor design in OnShape
. The motor has six coils in the stator, with the rotor carryin... | 18 | 6 | [
{
"comment_id": "6656869",
"author": "Bob K7ZB",
"timestamp": "2023-06-28T22:55:45",
"content": "Excellent piece of work!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6656886",
"author": "Dave",
"timestamp": "2023-06-29T00:10:02",
"content": "On... | 1,760,372,250.184573 | ||
https://hackaday.com/2023/06/28/democratizing-space-one-picosatellite-at-a-time/ | Democratizing Space, One Picosatellite At A Time | Tom Nardi | [
"Hackaday Columns",
"Slider",
"Space"
] | [
"commercial space",
"cubesat",
"Hack Chat",
"low earth orbit",
"SmallSat"
] | There was a time when putting an object into low Earth orbit was the absolute pinnacle of human achievement. It was such an outrageously expensive and complex undertaking that only a world superpower was capable of it, and even then, success wasn’t guaranteed. As the unforgiving physics involved are a constant, and the... | 50 | 9 | [
{
"comment_id": "6656805",
"author": "Michael Black",
"timestamp": "2023-06-28T17:04:16",
"content": "Oscar 1 went up in Dec 1961. Only four years after Sputnik 1. So things changed pretty fast.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6656808",
"a... | 1,760,372,250.057641 | ||
https://hackaday.com/2023/06/28/field-testing-a-home-made-wifi-antenna/ | Field Testing A Home Made WiFi Antenna | Jenny List | [
"Radio Hacks"
] | [
"helical antenna",
"wifi",
"wifi antenna"
] | Most readers will be aware that a good way to extend WiFi range is to use a better antenna for those 2.4 GHz signals, but at the same time such high frequency hijinks have something of a reputation of being not for the faint-hearted. [Dereksgc] puts that reputation to the test
by building a helical WiFi antenna
— and i... | 29 | 10 | [
{
"comment_id": "6656788",
"author": "Truth",
"timestamp": "2023-06-28T16:06:40",
"content": "The cheapest way I’ve heard of is to use an old satellite dish and place the WiFi antenna in the focal point of the dish, and odd as it may look the dish is pointing towards the ground (because it is usuall... | 1,760,372,250.250378 | ||
https://hackaday.com/2023/06/28/earths-final-frontier-exploring-the-alien-depths-of-the-earths-oceans/ | Earth’s Final Frontier: Exploring The Alien Depths Of The Earth’s Oceans | Maya Posch | [
"Current Events",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"deep ocean exploration"
] | Despite how hostile to life some parts of the Earth’s continents are, humanity has enthusiastically endeavored over the course of millennia to establish at least a toehold on each of them. Yet humanity has barely ventured beyond the surface of the oceans which cover around three-quarters of the planet, with human activ... | 29 | 10 | [
{
"comment_id": "6656758",
"author": "Ostracus",
"timestamp": "2023-06-28T14:28:28",
"content": "“With this in mind, can manned exploration of the depths ever be made safe enough for casual tourism, and will remotely operated vehicles (ROVs) be the way forward for deep sea mining?”Communications and... | 1,760,372,250.327897 | ||
https://hackaday.com/2023/06/30/this-week-in-securitycamaro-dragon-rowpress-and-repojacking/ | This Week In Security:Camaro Dragon, RowPress, And RepoJacking | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"flash drive",
"RepoJacking",
"This Week in Security"
] | Malicious flash drives have come a long ways since the old days of autorun infections. It’s not an accident that Microsoft has tightened down the attack surface available of removable media. So
how exactly did a malicious flash drive lead to the compromise of a European hospital
? Some sophisticated firmware on the dri... | 4 | 3 | [
{
"comment_id": "6657370",
"author": "Yung Un Kim",
"timestamp": "2023-06-30T17:05:31",
"content": "North Korea do not attack computers used by running dog imperialists.We piecefull peoples. No malwzre hear.We help world see errors they make.We wantz al peoples be habby like us. Properus an kind."... | 1,760,372,250.721403 | ||
https://hackaday.com/2023/06/30/diy-robotic-actuator-built-for-walking-robots/ | DIY Robotic Actuator Built For Walking Robots | Lewin Day | [
"Robots Hacks"
] | [
"actuator",
"quasi direct drive",
"robotic actuator"
] | [Aaed Musa] has built a variety of robots over the years, but found off-the-shelf servos to be underwhelming for his work. Thus,
he set out to build a better actuator
to support his goals of building a high-performance walking bot in future.
[Aaed] decided to try and build a quasi-direct drive actuator, similar to thos... | 2 | 2 | [
{
"comment_id": "6657309",
"author": "Rpol",
"timestamp": "2023-06-30T11:22:21",
"content": "Nice build and video. We are designing an actuator system at my employer that is very similar to this design (albeit much smaller). One key takeaway that we found was gear quality is paramount to efficienc... | 1,760,372,250.495487 | ||
https://hackaday.com/2023/06/30/gardening-robot-uses-sunlight-to-incinerate-weeds/ | Gardening Robot Uses Sunlight To Incinerate Weeds | Robin Kearey | [
"green hacks",
"Robots Hacks",
"Solar Hacks"
] | [
"machine vision",
"raspberry pi",
"solar concentrator",
"Tensorflow Lite",
"weed whacker",
"weeding"
] | Removing weeds is a chore few gardeners enjoy, as it typically involves long sessions of kneeling in the dirt and digging around for anything you don’t remember planting. Herbicides also work, but spraying poison all over your garden comes with its own problems. Luckily, there’s now a third option: [NathanBuildsDIY] de... | 36 | 17 | [
{
"comment_id": "6657287",
"author": "mime",
"timestamp": "2023-06-30T09:33:32",
"content": "I like it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6657295",
"author": "James",
"timestamp": "2023-06-30T10:00:33",
"content": "Oh for sun that isn’... | 1,760,372,250.628987 | ||
https://hackaday.com/2023/06/29/hydroplaning-boat-skims-over-water/ | Hydroplaning Boat Skims Over Water | Lewin Day | [
"Toy Hacks",
"Transportation Hacks"
] | [
"boat",
"hydroplane"
] | Regular hulled boats are all well and good for rowing and all, but if you wanna go fast, you’ve gotta cut your draft. [RCLifeOn] built a hydroplane design that skims on the very surface of the water,
and thus travels very quickly as a result.
That’s one way to film your projects.
The build came about as [RCLifeOn] has ... | 3 | 2 | [
{
"comment_id": "6657324",
"author": "Kenny C",
"timestamp": "2023-06-30T12:32:40",
"content": "Nice RC boat, one thing I would change is the rods that hold the outriggers on would be placed on top of the boat instead of through the hull making them higher and further above the waterline",
"pare... | 1,760,372,250.54427 | ||
https://hackaday.com/2023/06/29/spy-radio-setup-gets-a-tiny-power-supply-for-field-operations/ | Spy Radio Setup Gets A Tiny Power Supply For Field Operations | Dan Maloney | [
"Radio Hacks"
] | [
"4047",
"80-m",
"amateur radio",
"ham",
"mosfet",
"smps",
"spy radio",
"switched mode",
"vacuum tube"
] | [Helge Fyske (LA6NCA)] may not be an actual spy — then again, he may be; if he’s good at it, we wouldn’t know — but he has built a couple of neat vacuum tube spy radios in the past. And there’s no better test for such equipment than to haul it out into the field and try to make some contacts. But how do you power such ... | 14 | 5 | [
{
"comment_id": "6657214",
"author": "Not a Spy",
"timestamp": "2023-06-30T02:30:44",
"content": "Not to be a pooper, but looking at that motorcycle battery and those big long wire leads, there is absolutely nothing tiny about that setup.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,250.680231 | ||
https://hackaday.com/2023/06/29/rubber-tracked-bicycle-is-horribly-inefficient/ | Rubber Tracked Bicycle Is Horribly Inefficient | Lewin Day | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"tracks"
] | Wheeled bikes are efficient machines, and most cycling speed and distance records are held by them. However, [The Q] has a taste for weirder creations that amuse perhaps more than they serve as viable transportation.
His latest experiments revolve around tracked propulsion methods.
The build is a wheelless bike that re... | 31 | 14 | [
{
"comment_id": "6657165",
"author": "Mike",
"timestamp": "2023-06-29T23:26:02",
"content": "Wasn’t worth the electricity to build it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6657169",
"author": "Severe Tire Damage",
"timestamp": "2023-06-29T23:3... | 1,760,372,251.063282 | ||
https://hackaday.com/2023/06/29/build-a-diy-space-mouse-for-a-more-efficient-cad-workflow/ | Build A DIY Space Mouse For A More Efficient CAD Workflow | Lewin Day | [
"Peripherals Hacks"
] | [
"3d mouse",
"magnetometer",
"mouse",
"space mouse"
] | When you find yourself doing a lot of work in 3D modelling, you occasionally wish for something more capable than the humble two-dimensional mouse. A space mouse is a great tool in this regard,
and [Salim Benbouziyane] was inspired to build his own.
[Salim] started his work with research, by watching a teardown of a Co... | 20 | 8 | [
{
"comment_id": "6657244",
"author": "Bob",
"timestamp": "2023-06-30T04:03:58",
"content": "Well, SpaceMouses (SpaceMice? SpaceMices?) aren’t all that cheap, and we all know that time is actually free.Can’t see the problem.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,250.883654 | ||
https://hackaday.com/2023/06/29/sci-fi-ui-made-easy-with-arwes/ | Sci Fi UI Made Easy With Arwes | Lewin Day | [
"Misc Hacks"
] | [
"arwes",
"sci-fi",
"science fiction",
"scifi",
"UI",
"user interface",
"web framework"
] | Many of us grew up watching
Star Trek,
marvelling at the beautiful colorful interfaces on the computers that ran the Starship Enterprise. Today’s computer interfaces have certainly grown fancier since the Windows 3.1 and Mac System 7 days, but they’re still nowhere near that gorgeous. The Arwes framework aims to change... | 18 | 6 | [
{
"comment_id": "6657064",
"author": "Joshua",
"timestamp": "2023-06-29T18:39:40",
"content": "“Today’s computer interfaces have certainly grown fancier since the Windows 3.1 and Mac System 7 days, but they’re still nowhere near that gorgeous. ”Windows 2.0 (incl. Windows/386) and LCARS (as seen in S... | 1,760,372,250.993305 | ||
https://hackaday.com/2023/06/29/vcfs-swap-meet-experiment-helps-support-expansion/ | VCF’s Swap Meet Experiment Helps Support Expansion | Tom Nardi | [
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"swap meet",
"VCF",
"Vintage Computer Federation"
] | There was a time when those looking for tech bargains had to either try their luck at the local flea market, or make the pilgrimage out to a dedicated swap meet. But with the rise of websites like eBay and Craigslist these parking lot meetups started to fall out of favor, to the point that they became all but extinct o... | 13 | 7 | [
{
"comment_id": "6657141",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2023-06-29T21:35:25",
"content": "I wish there was one close to me.Wall, South Dakota is a lot closer to me than Wall, New Jersey.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,372,250.940016 | ||
https://hackaday.com/2023/06/29/watch-this-beautiful-japanese-factory-manufacturing-wood-planers/ | Watch This Beautiful Japanese Factory Manufacturing Hand Planes | Lewin Day | [
"Tool Hacks"
] | [
"hand plane",
"plane",
"woodworking"
] | If you’re a woodworker, you know the value of a good hand plane. A stout model will last a lifetime if properly cared for. [Process X] has now taken us behind the scenes of a Japanese factory that turns out quality hand planes
to show us how it’s done.
The video starts at the forge, where steel is attached to soft iron... | 21 | 7 | [
{
"comment_id": "6657044",
"author": "D",
"timestamp": "2023-06-29T16:54:16",
"content": "These are planes, not planers",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6657484",
"author": "Dave!",
"timestamp": "2023-06-30T23:47:27",
"c... | 1,760,372,251.123298 | ||
https://hackaday.com/2023/06/29/know-snow-monitoring-snowpack-with-the-snotel-network/ | Know Snow: Monitoring Snowpack With The SNOTEL Network | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"meteor bounce",
"meteorology",
"mountains",
"precipitation",
"SnOTEL. snow",
"telemetry",
"weather"
] | With summer just underway here in North America, it may seem like a strange time to talk about snow. But when you live in North Idaho, winter is never very far away and is always very much on everyone’s mind. Our summers are fierce but all too brief, so starting around September, most of us begin to cast a wary eye at ... | 13 | 11 | [
{
"comment_id": "6657024",
"author": "Brian Huggett",
"timestamp": "2023-06-29T16:12:08",
"content": "Thanks for the great article!I worked in the Sierra Nevada with the California Department of Water Resources updating and augmenting SNOTELs. Best job ever and captured important data to boot!",
... | 1,760,372,251.188479 | ||
https://hackaday.com/2023/06/29/demo-relativity-for-a-c-note/ | Demo Relativity For A C-Note | Al Williams | [
"Science"
] | [
"cloud chamber",
"muon",
"relativity",
"science"
] | If you are a science fiction fan, you probably hate the theory of relativity. After all, how can the
Enterprise
get to a new star system every week if you can’t go faster than the speed of light? [Nick Lucid] wants to set you straight: it is real, and you can
prove it to yourself for under $100
.
The idea uses muons cr... | 16 | 5 | [
{
"comment_id": "6656987",
"author": "Mathias",
"timestamp": "2023-06-29T12:06:29",
"content": "This “prove” has like 20 assumptions you have to accept as true. If you can prove, that a muon only lives 2.2 us, how they are created, what the length of the streaks mean, …. then this maybe proves relat... | 1,760,372,251.300167 | ||
https://hackaday.com/2023/06/29/microsoft-basic-for-the-dragon-64-recovered/ | Microsoft BASIC For The Dragon 64 Recovered | Lewin Day | [
"Retrocomputing",
"Software Hacks"
] | [
"basic",
"dragon",
"microsoft basic"
] | There are a great many pieces of software of yesteryear that are no longer readily accessible. It’s now possible to cross Microsoft BASIC for the Dragon 64 off that list,
with the source code now posted for all to enjoy on GitHub
.
The repository concerns the Microsoft 16K BASIC Interpreter as built for the Motorola 68... | 17 | 11 | [
{
"comment_id": "6656955",
"author": "Alphatek",
"timestamp": "2023-06-29T08:37:32",
"content": "I’m impressed the ink was still readable – I know I’ve lost lineprinted documents in a lot less than 4 decades! Facetiously, though, the source could’ve been put to better use given it was on perforated ... | 1,760,372,251.355792 | ||
https://hackaday.com/2023/06/28/much-better-vga-from-an-esp32/ | Much Better VGA From An ESP32 | Jenny List | [
"Microcontrollers"
] | [
"ESP32",
"ESP32-S3",
"vga"
] | The ESP32 series from Espressif have been a successful line of products, offering a powerful microcontroller with on-chip wireless networking. There’s a snag though in their practice of calling all of them ESP32s despite wildly varying specifications and even different processor cores, such that it’s easy to lose track... | 18 | 6 | [
{
"comment_id": "6656938",
"author": "Daniel",
"timestamp": "2023-06-29T06:13:31",
"content": "It’s Xtensa, not Extensa",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6656943",
"author": "Manfred",
"timestamp": "2023-06-29T07:17:11",
"content": "“H... | 1,760,372,251.241996 | ||
https://hackaday.com/2023/06/28/custom-keyboard-built-for-diablo-3-action/ | Custom Keyboard Built ForDiablo 3Action | Lewin Day | [
"Peripherals Hacks"
] | [
"diablo",
"keyboard",
"mechanical keyboard"
] | Custom mechanical keyboards are a great way to show off your passion and skill for electronics and design. They’re also perfect when you need to optimize your setup for a certain game or piece of software. [Pakequis] did just that with his
Bad Thing of the Edge mechanical keyboard build.
[Pakequis] occasionally plays
D... | 3 | 2 | [
{
"comment_id": "6656768",
"author": "PEBKAC",
"timestamp": "2023-06-28T14:50:57",
"content": "I didn’t know Lenovo made netbooks… or at least I’m assuming by the …nub… mouse!That thing is adorable!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6656859",
... | 1,760,372,251.39187 | ||
https://hackaday.com/2023/06/28/an-esp-in-your-mini-tv/ | An ESP In Your Mini TV | Jenny List | [
"home entertainment hacks",
"Microcontrollers"
] | [
"ESP32",
"media player",
"mini tv"
] | When miniature LCD TVs arrived on the market they were an object of desire, far from the reach of tech-obsessed youngsters. Now in the age of smartphones they’re a historical curiosity, but with the onward march of technology you can have one for not a lot. [Taylor Galbraith] shows us how,
with an ESP32 and an LCD we r... | 14 | 4 | [
{
"comment_id": "6656676",
"author": "macsimski",
"timestamp": "2023-06-28T08:48:27",
"content": "I’m not sure, Isn’t this called a video player? he talks about encoding using ffmpeg, so no live streams are shown.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,251.441812 | ||
https://hackaday.com/2023/06/27/build-a-tesla-coil-with-just-three-components/ | Build A Tesla Coil With Just Three Components | Lewin Day | [
"High Voltage"
] | [
"capacitor",
"tesla coil"
] | Tesla coils are beautiful examples of high voltage hardware, throwing sparks and teaching us about all kinds of fancy phenomena. They can also be quite intimidating to build. [William Fraser], however, has come up with a design
using just three components
.
It’s a simplified version of the “Slayer Exciter” design, whic... | 3 | 2 | [
{
"comment_id": "6656723",
"author": "Kenneth Welles",
"timestamp": "2023-06-28T12:37:04",
"content": "Excellent, great experimental technique and minimalist approach. Thanks a lot",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6657626",
"author": "... | 1,760,372,251.705146 | ||
https://hackaday.com/2023/06/27/bluetooth-battery-monitors-that-also-monitor-your-position-without-asking/ | Bluetooth Battery Monitors That Also Monitor Your Position, Without Asking | Maya Posch | [
"Security Hacks"
] | [
"china",
"security",
"surveillance"
] | These days Bluetooth-based gadgets are everywhere, including for car and solar batteries. After connecting them up to the battery, you download the accompanying app on your smartphone, open it up and like magic you can keep tabs on your precious pile of chemistry that keeps things ticking along. Yet as [haxrob]
discove... | 40 | 18 | [
{
"comment_id": "6656600",
"author": "NiHaoMike",
"timestamp": "2023-06-28T02:18:22",
"content": "Now to make a hacked version that floods them with fake data.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6656606",
"author": "The Commenter Formerly Known... | 1,760,372,252.057532 | ||
https://hackaday.com/2023/06/27/honda-headunit-reverse-engineering-and-the-dismal-state-of-infotainment-systems/ | Honda Headunit Reverse Engineering, And The Dismal State Of Infotainment Systems | Maya Posch | [
"Transportation Hacks"
] | [
"android auto",
"car security"
] | These days the dozen or so ECUs in an average car are joined by an infotainment system of some type, which are typically a large touch screen on the dashboard (the headunit) and possibly a couple of auxiliary units for the rear seats. These infotainment systems run anything from QNX to (Yocto) Linux or more commonly th... | 47 | 11 | [
{
"comment_id": "6656587",
"author": "Stryker",
"timestamp": "2023-06-27T23:57:28",
"content": "First off, an “infotainment system” in a vehicle shouldn’t even exist !The principal task when operating a 2 ton piece of steel that can easily create havoc, should be “drive the damn thing !” PAY ATTENTI... | 1,760,372,251.801529 | ||
https://hackaday.com/2023/06/27/espboy-turned-into-functional-walkie-talkie/ | ESPboy Turned Into Functional Walkie-Talkie | Lewin Day | [
"Radio Hacks"
] | [
"ESP8266",
"radio",
"walkie talkie"
] | The ESPBoy was first built as a hackable open-source game engine and handheld console for educational purposes. However, it’s also a platform that can readily support all kinds of other uses.
You can even turn the humble handheld device into a working walkie talkie.
The build relies on adding a SA868 transceiver module... | 17 | 6 | [
{
"comment_id": "6656582",
"author": "Moritz von Schweinitz",
"timestamp": "2023-06-27T23:18:44",
"content": "I would really love an ESP32 based walkie talkie with open firmware, but in a generic, ready-made enclosure with batteries and all that.It could use UDP if wifi was available, and with GPIO ... | 1,760,372,251.854406 | ||
https://hackaday.com/2023/06/27/luxury-train-cars-used-to-ride-on-paper-wheels/ | Luxury Train Cars Used To Ride On Paper Wheels | Lewin Day | [
"History",
"Transportation Hacks"
] | [
"mass transit",
"paper",
"railway",
"trains"
] | Early on, railways primarily used wheels made of wood or iron. The former were cheap and relatively easy to manufacture, while the latter had far superior wear qualities. It may surprise you to learn, however, that some railways once used wheels made out of paper,
as [Train of Thought] explains.
The wheels were pioneer... | 20 | 7 | [
{
"comment_id": "6656544",
"author": "Bob Kroll",
"timestamp": "2023-06-27T19:55:18",
"content": "History repeats itself? Didn’t a high speed train derail due to composite wheel failure, taking out a road overpass and an oncoming train, northern Europe within last decade?",
"parent_id": null,
... | 1,760,372,251.909992 | ||
https://hackaday.com/2023/06/26/mearm-3-0-the-pocket-sized-robot-arm/ | MeArm 3.0: The Pocket-Sized Robot Arm | Bryan Cockfield | [
"Robots Hacks"
] | [
"arm",
"hardware",
"instructional",
"MeArm",
"open source",
"robot",
"small"
] | We all might dream of having an industrial robot arm at our disposal, complete with working controller that doesn’t need constant maintenance and replacement parts, and which is able to help us with other projects with only a minimum of coding or instruction. That’s a pipe dream for most of us, as without a large space... | 14 | 7 | [
{
"comment_id": "6656349",
"author": "scott_tx",
"timestamp": "2023-06-27T00:32:15",
"content": "its more like a robot finger",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6656351",
"author": "john",
"timestamp": "2023-06-27T00:39:22",
"content": ... | 1,760,372,252.104708 | ||
https://hackaday.com/2023/06/26/dentist-tool-hardware-inspires-non-slip-probe-tips/ | Dentist Tool Hardware Inspires Non-Slip Probe Tips | Donald Papp | [
"hardware",
"Tool Hacks"
] | [
"adapter",
"dental burr",
"dmm",
"multimeter",
"non slip",
"probe tips"
] | Cross-pollination between different industries can yield interesting innovations, and a few years ago [John Wiltrout] developed some
non-slip meter probe adapters
. He recently used
our tips line
to share some details that you won’t see elsewhere, letting us know how the idea came to be.
It started with [John] being fr... | 19 | 10 | [
{
"comment_id": "6656297",
"author": "Lee",
"timestamp": "2023-06-26T20:09:54",
"content": "NiceI use to attach sewing needles to my probes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6656317",
"author": "BrightBlueJim",
"timestamp": "202... | 1,760,372,252.593124 | ||
https://hackaday.com/2023/06/26/formation-flying-does-more-than-look-good/ | Formation Flying Does More Than Look Good | Bryan Cockfield | [
"drone hacks"
] | [
"algorithm",
"drag",
"drone",
"efficiency",
"energy",
"flight",
"formation",
"rapidly exploring random tree",
"rrt*"
] | Seeing airplanes fly in formation is an exciting experience at something like an air show, where demonstrations of a pilot’s skill and aircraft technology are on full display. But there are other reasons for aircraft to fly in formation as well. [Peter] has been exploring the idea that formation flight can also improve... | 14 | 4 | [
{
"comment_id": "6656272",
"author": "craig",
"timestamp": "2023-06-26T18:35:29",
"content": "I just assumed military tight formations were to decrease radar signature and disguise the number of aircraft. I would also guess the military has looked into this for strategic (less refueling etc) reason... | 1,760,372,252.15563 | ||
https://hackaday.com/2023/06/26/mit-engineers-pioneer-cost-effective-protein-purification-for-cheaper-drugs/ | MIT Engineers Pioneer Cost-Effective Protein Purification For Cheaper Drugs | Lewin Day | [
"Hackaday Columns",
"Medical Hacks"
] | [
"bioreactor",
"medicine",
"nanotechnology",
"protein",
"proteins"
] | There are a wide variety of protein-based drugs that are used to treat various serious conditions. Insulin is perhaps the most well-known example, which is used for life-saving treatments for diabetes. New antibody treatments also fall into this category, as do various vaccines.
A significant cost element in the produc... | 10 | 4 | [
{
"comment_id": "6656245",
"author": "nagger",
"timestamp": "2023-06-26T17:23:38",
"content": "Cheaper drugs? You mean for higher pharmaceutical profit margins?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6656397",
"author": "Mystick",
"ti... | 1,760,372,252.249846 | ||
https://hackaday.com/2023/06/26/desktop-edm-hack-chat/ | Desktop EDM Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, June 28 at noon Pacific for the
Desktop EDM Hack Chat
with
Cooper Zurad
!
Whether you know it or not, chances are pretty good you’ve run into the results of electrical discharge machining at some point. EDM is the go-to machining method for so many applications, from making complex injection moldi... | 10 | 2 | [
{
"comment_id": "6656247",
"author": "traverseda",
"timestamp": "2023-06-26T17:26:12",
"content": "I think you’d increase engagement a fair bit if you included some kind of “add to my calendar” link in these things.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,252.201644 | ||
https://hackaday.com/2023/06/26/networking-with-balloons/ | Networking With Balloons | Bryan Cockfield | [
"Radio Hacks"
] | [
"APRS",
"balloon",
"downlink",
"images",
"network",
"packet",
"radio",
"raspberry pi",
"rf4463",
"stm32"
] | Starlink has been making tremendous progress towards providing world-wide access to broadband Internet access, but there are a number of downsides to satellite-based internet such as the cluttering of low-Earth orbit, high expense, and moodiness of CEO. There are some alternatives if standard Internet access isn’t avai... | 14 | 4 | [
{
"comment_id": "6656224",
"author": "Pineapple",
"timestamp": "2023-06-26T16:01:33",
"content": "More balloons for the air force to shot down?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6656226",
"author": "Joshua",
"timestamp": "2023-06... | 1,760,372,252.306509 | ||
https://hackaday.com/2023/06/26/meshtastic-for-the-greater-good/ | Meshtastic For The Greater Good | Jonathan Bennett | [
"Featured",
"Interest",
"News",
"Original Art",
"Radio Hacks",
"Slider",
"Wireless Hacks"
] | [
"LoRa",
"Meshtastic",
"prepping"
] | Last week, my city was hit by a tornado. That’s not surprising here in Oklahoma, and thankfully this event was an F0 or possibly even an EF0 — a really weak tornado. Only a couple roofs collapsed, though probably half the houses in town are going to need roof repairs, thanks to the combination of huge hail and high win... | 62 | 16 | [
{
"comment_id": "6656198",
"author": "zoobab",
"timestamp": "2023-06-26T14:15:47",
"content": "You could add some keyboard keys to this kind of device with an i2c-gpio expander like an mcp23017.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6656220",
... | 1,760,372,252.52813 | ||
https://hackaday.com/2023/06/27/podcast-feedback-be-careful-what-you-ask-for/ | Podcast Feedback: Be Careful What You Ask For | Dan Maloney | [
"Hackaday Columns",
"Rants",
"Slider"
] | [] | I had one of those experiences yesterday that seem so common these days: the arrival of a mystery Amazon package. You know the kind — you get a shipping notice from UPS with the faux-excited “Your package is arriving today!” message, but you’re sure you haven’t ordered anything in a while. You check your Amazon order h... | 18 | 9 | [
{
"comment_id": "6656493",
"author": "irox",
"timestamp": "2023-06-27T17:15:59",
"content": "That’s not mayonnaise, that’s Sandwich Spread, which completely different, and from my recollection far superior!Hey, it could have been veggie mite….",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,252.415871 | ||
https://hackaday.com/2023/06/27/an-android-phone-powers-a-self-driving-car/ | An Android Phone Powers A Self Driving Car | Jenny List | [
"Transportation Hacks"
] | [
"android",
"OpenPilot",
"self-driving car"
] | As auto manufacturers have brought self-driving features to their products, we’re told about how impressive their technologies are and just how much computing power is on board to make it happen. Thus it surprised us (and it might also surprise you too) that some level of self-driving can be performed by an Android pho... | 31 | 10 | [
{
"comment_id": "6656481",
"author": "SteveS",
"timestamp": "2023-06-27T16:39:33",
"content": ">> “They take it out on the road in a little Suzuki on a busy Indian dual carriageway in the rain…”This… does not seem like the optimal venue to debug your software",
"parent_id": null,
"depth": 1,... | 1,760,372,252.681077 |
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