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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2024/08/15/the-sunchronizer-keeps-your-solar-panel-aligned/ | The Sunchronizer Keeps Your Solar Panel Aligned | Bryan Cockfield | [
"Solar Hacks"
] | [
"elevation",
"ESP32",
"linear actuator",
"single axis",
"solar",
"solar panel",
"solar tracker"
] | In the past few years, the price-per-watt for solar panels has dropped dramatically. This has led to a number of downstream effects beyond simple cost savings. For example, many commercial solar farms have found that it’s now cheaper to install a larger number of panels in fixed positions, rather than accepting the ext... | 34 | 13 | [
{
"comment_id": "7260961",
"author": "Ramriot",
"timestamp": "2024-08-15T20:34:26",
"content": "BTW If the “single axis” just happens to be parallel to your latitude then you will never be more that 23.44 degrees out (obliquity of the ecliptic). Then if you have a manual jack screw that you turn per... | 1,760,371,822.208111 | ||
https://hackaday.com/2024/08/15/edge-lit-thin-lcd-tvs-are-having-early-heat-death-issues/ | Edge-Lit, Thin LCD TVs Are Having Early Heat Death Issues | Maya Posch | [
"Teardown"
] | [
"backlight",
"display technology"
] | Canadian consumer goods testing site RTINGS has been subjecting 100 TVs to an accelerated TV longevity test, subjecting them so far to over 10,000 hours of on-time, equaling about six years of regular use in a US household. This test has shown a range of interesting issues and defects already, including for the OLED-ba... | 60 | 11 | [
{
"comment_id": "7256869",
"author": "Mystick",
"timestamp": "2024-08-15T18:29:21",
"content": "Heat management seems to be a forgotten art. We got a new cable box that’s only an inch thick with no buttons and no vent cuts except in the back and it gets HOT. Hot to the point were we have to shut it ... | 1,760,371,822.51973 | ||
https://hackaday.com/2024/08/15/open-source-residential-energy-storage/ | Open Source Residential Energy Storage | Navarre Bartz | [
"green hacks"
] | [
"3d printing",
"appropriate technology",
"diy power",
"flow battery",
"freecad",
"iodine",
"iodine battery",
"off grid",
"off grid hacks",
"renewable energy",
"scratch built",
"wind power",
"Wind turbine",
"zinc",
"zinc battery"
] | Battery news typically covers the latest, greatest laboratory or industry breakthroughs to push modern devices further and faster. Could you
build your own flow battery
stationary storage for home-built solar and wind rigs though?
Based on the
concept of appropriate technology
, the system from the Flow Battery Researc... | 20 | 6 | [
{
"comment_id": "7252982",
"author": "ITman496",
"timestamp": "2024-08-15T16:59:27",
"content": "I can’t actually find where it says what kind of power it makes at what kind of flows.. Am I blind? I want to know!! Whats the performance?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,822.129808 | ||
https://hackaday.com/2024/08/15/australias-controlled-loads-are-in-hot-water/ | Australia’s Controlled Loads Are In Hot Water | Lewin Day | [
"Current Events",
"Featured",
"green hacks",
"News"
] | [
"Australia",
"controlled load",
"controlled loads",
"electrical grid",
"Electricity meter",
"home solar",
"meter",
"power generation",
"smart meter",
"solar",
"solar energy",
"solar power",
"victoria"
] | Australian grids have long run a two-tiered pricing scheme for electricity. In many jurisdictions, regular electricity was charged at a certain rate. Meanwhile, you could get cheaper electricity for certain applications if your home was set up with a “controlled load.” Typically, this involved high energy equipment lik... | 125 | 31 | [
{
"comment_id": "7246725",
"author": "Panondorf",
"timestamp": "2024-08-15T14:28:58",
"content": "I’ve lived in places in the US where we had something kind of similar.Ours wasn’t a timer in the house though.Hah! If we had that here I bet there would be a non-negligible number of people who would tr... | 1,760,371,822.753883 | ||
https://hackaday.com/2024/08/15/help-the-lego-camera-become-a-reality/ | Help The LEGO Camera Become A Reality | Jenny List | [
"Toy Hacks"
] | [
"35mm camera",
"camera",
"lego camera"
] | Some time over a year ago, we told you about a camera. Not just any camera, but a fully-functional 35mm film camera made entirely of LEGO, and with a pleasingly retro design into the bargain. It’s the work of [Zung92], and
it can be found on the LEGO Ideas website
.
You might now be asking why we’re talking about it ag... | 9 | 5 | [
{
"comment_id": "7237674",
"author": "Heind",
"timestamp": "2024-08-15T11:24:30",
"content": "I don’t know if Lego would release it looking like this considering they currently have set 31147 which looks about the same (based on a Canon AE-1 from what I can tell.Of course, that one doesn’t actually ... | 1,760,371,822.325826 | ||
https://hackaday.com/2024/08/15/unusual-tool-gets-an-unusual-repair/ | Unusual Tool Gets An Unusual Repair | Dan Maloney | [
"Repair Hacks"
] | [
"cnc",
"driver",
"fabrication",
"gear",
"planetary",
"repair",
"ring",
"tool"
] | In today’s value-engineered world, getting a decade of service out of a cordless tool is pretty impressive. By that point you’ve probably gotten your original investment back, and if the tool gives up the ghost, well, that’s what the e-waste bin is for. Not everyone likes to give up so easily, though, which results in ... | 25 | 7 | [
{
"comment_id": "7230598",
"author": "Joseph Eoff",
"timestamp": "2024-08-15T08:41:41",
"content": "It looks like the joint was silver soldered – that’s a form of brazing.From wikipedia:https://en.wikipedia.org/wiki/SolderSoldering performed using alloys with a melting point above 450 °C (840 °F; 72... | 1,760,371,822.272769 | ||
https://hackaday.com/2024/08/21/tiny-90s-laptop-gets-modern-power/ | Tiny ’90s Laptop Gets Modern Power | Jenny List | [
"Retrocomputing"
] | [
"libretto",
"Toshiba",
"USB-C PD"
] | The laptop to have here in the 2020s varies depending on who you ask, perhaps a Framework, or maybe a ThinkPad. Back in the 1990s the answer might have included a now-forgotten contender, because in that decade Toshiba made a range of legendarily tough chunky grey machines. Of these the smallest was the Libretto, a pap... | 20 | 13 | [
{
"comment_id": "7530412",
"author": "12L14",
"timestamp": "2024-08-22T07:53:27",
"content": "Must find new lcd for mine – heard that same type was used in some navigation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7532874",
"author": "Wil H",
"ti... | 1,760,371,822.812778 | ||
https://hackaday.com/2024/08/21/the-first-mass-produced-dram-of-the-soviet-union/ | The First Mass Produced DRAM Of The Soviet Union | Maya Posch | [
"History",
"Retrocomputing"
] | [
"dram",
"Soviet Union"
] | KE565RU1A (1985) in comparison with the analogue from AMD (1980)
Although the benefits of semiconductor technology were undeniable during the second half the 20th century, there was a clear divide between the two sides of the Iron Curtain. Whilst the First World had access to top-of-the-line semiconductor foundries and... | 8 | 5 | [
{
"comment_id": "7545569",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-22T17:18:53",
"content": "In Soviet Union, RAM is redundant, KGB remember every thing!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7548373",
"author": "Mat... | 1,760,371,822.400127 | ||
https://hackaday.com/2024/08/21/farewell-magnetic-stripe/ | Farewell Magnetic Stripe | Al Williams | [
"Misc Hacks",
"News"
] | [
"magnetic stripe"
] | For decades, the magnetic stripe has been ubiquitous on everything from credit cards to tickets to ID badges. But the BBC reports — unsurprisingly — that the mag stripe’s
days are numbered
. Between smartphones, QR codes, and RFID, there’s just less demand for the venerable technology.
IBM
invented the stripe back in t... | 115 | 24 | [
{
"comment_id": "7518756",
"author": "mrsimicsak",
"timestamp": "2024-08-22T00:25:05",
"content": "Hmm… The card readers at my local grocery store (West Coast USA) consistently fail to read the chip on my debit card (they only take debit or cash) 3 times in a row causing it to fall back to the mag s... | 1,760,371,823.011714 | ||
https://hackaday.com/2024/08/21/atari-announces-the-atari-7800-nostalgia-console/ | Atari Announces The Atari 7800+ Nostalgia Console | Maya Posch | [
"Games",
"Retrocomputing"
] | [
"atari 2600",
"Atari 7800"
] | Following the trend of re-releasing every single game console as some kind of modern re-imagining or merely an ARM-SBC-with-emulator slapped into a nice looking enclosure, we now got the announcement from Atari that they will soon be releasing the Atari 7800+.
It’s now
up for pre-order
for a cool $130 USD or a
mega bun... | 21 | 8 | [
{
"comment_id": "7508833",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-21T20:12:54",
"content": "No mention of an SD card slot…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7577979",
"author": "dlcarrier",
"timest... | 1,760,371,821.978898 | ||
https://hackaday.com/2024/08/21/floss-weekly-episode-797-coreutils-dont-rm-r-up-the-tree/ | FLOSS Weekly Episode 797: Coreutils — Don’t Rm -r Up The Tree | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"java",
"Liferay"
] | This week
Jonathan Bennett
and
Dan Lynch
chat with
Pádraig Brady
about
Coreutils
! It’s been around since the 90s, and is still a healthy project under active development. You’ve almost certainly used these tools whether you realize it or not! What’s the relationship with the other coreutils implementations? And why is... | 1 | 1 | [
{
"comment_id": "7678553",
"author": "calculus",
"timestamp": "2024-08-26T23:37:47",
"content": "Another coreutils-like project, similar to busybox, is toybox. It is already shipping as part of Android since Android Marshmallow (since 2015).Here are the project details:https://landley.net/toybox/",... | 1,760,371,822.852718 | ||
https://hackaday.com/2024/08/21/supercon-2023-soft-actuators-as-assistive-tech/ | Supercon 2023: Soft Actuators As Assistive Tech | Tom Nardi | [
"cons",
"Robots Hacks"
] | [
"2023 Hackaday Supercon",
"assistive technology",
"soft actuator",
"soft robotics"
] | When we think of assistive prostheses or braces, we often think of hard and rigid contraptions. After all, it wasn’t that long ago that prosthetic limbs were still being made out of wood. Even devices made of more modern materials tend to have a robotic quality that inevitably limits their dexterity. However, advanceme... | 1 | 1 | [
{
"comment_id": "7531397",
"author": "Zoe",
"timestamp": "2024-08-22T08:46:33",
"content": "Well 10 fingers is already more input than this has.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,823.176572 | ||
https://hackaday.com/2024/08/21/jangle-box-plucks-strings-at-the-press-of-a-button/ | Jangle Box Plucks Strings At The Press Of A Button | Tom Nardi | [
"Musical Hacks"
] | [
"musical instrument",
"samples",
"string instrument"
] | There are some that enjoy the human element of a musical performance, delighting in the unique way an artist teases the desired sound from their instruments. Then there are those of us who listen to random bleeps, bloops, and buzzes tortured out of some crusty sound chip pulled from an 8-bit computer. It’s all very sub... | 4 | 3 | [
{
"comment_id": "7503679",
"author": "TheRainHarvester on YouTube",
"timestamp": "2024-08-21T16:33:48",
"content": "Connect it to arduino. Control with midi.That would feel cool controlling a janglebox with a keyboard!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,371,823.235767 | ||
https://hackaday.com/2024/08/14/autonomous-boat-plots-lake-beds/ | Autonomous Boat Plots Lake Beds | Bryan Cockfield | [
"drone hacks"
] | [
"autonomous",
"bathymetry",
"batteries",
"boat",
"catamaran",
"drone",
"gps",
"solar",
"solar panel",
"topography",
"water depth"
] | Although the types of drones currently dominating headlines tend to be airborne, whether it’s hobbyist quadcopters, autonomous delivery vehicles, or military craft, autonomous vehicles can take nearly any transportation method we can think of. [Clay Builds] has been hard at work on his drone which is actually an autono... | 5 | 4 | [
{
"comment_id": "7226037",
"author": "AZdave",
"timestamp": "2024-08-15T07:01:35",
"content": "Here in Arizona the bottom contour of many of the lake bottoms was determined from the topo maps that were generated before the canyons were dammed up. And the maps often can be at least partially verifie... | 1,760,371,823.288902 | ||
https://hackaday.com/2024/08/14/entangled-photons-maintained-using-existing-fiber-under-nycs-streets/ | Entangled Photons Maintained Using Existing Fiber Under NYC’s Streets | Maya Posch | [
"Science"
] | [
"quantum cryptography",
"quantum entanglement"
] | Entangled photons are an ideal choice for large-scale networks employing quantum encryption or similar, as photons can use fiber-optical cables to transmit them. One issue with using existing commercial fiber-optic lines for this purpose is that these have imperfections which can disrupt photon entanglement. This can b... | 12 | 5 | [
{
"comment_id": "7215704",
"author": "Ostracus",
"timestamp": "2024-08-15T02:36:53",
"content": "The kind of entanglement guys would be comfortable with.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7226535",
"author": "Ol' Ben",
"timestamp... | 1,760,371,823.343525 | ||
https://hackaday.com/2024/08/14/handsome-sim-racing-button-box-is-a-super-easy-build/ | Handsome Sim Racing Button Box Is A Super Easy Build | Lewin Day | [
"Games",
"Peripherals Hacks"
] | [
"arcade usb",
"button box",
"sim racing"
] | Sim racing is a lot more complex than playing
Need For Speed 3: Hot Pursuit.
You need buttons for all kinds of stuff, from headlights to brake balance to traction control. If you want to control all that in an intuitive and realistic manner, you’ll want to build yourself a decent button pad
like [Chris Haye] has done.
... | 8 | 5 | [
{
"comment_id": "7244460",
"author": "Jan",
"timestamp": "2024-08-15T13:38:22",
"content": "“estimates that each box took maybe an hour to build, tops”hmm… it took me 5 minutes to read and process the hackaday post, another 5 to view the YT-videe, sourcing the components most likely an hour (find th... | 1,760,371,823.399244 | ||
https://hackaday.com/2024/08/14/handheld-oscilloscope-meter-reviewed/ | Handheld Oscilloscope Meter Reviewed | Al Williams | [
"Reviews",
"Tool Hacks"
] | [
"oscilloscope",
"scopemeter"
] | We live in a time where there’s virtually no excuse not to have
some
kind of oscilloscope. As [IMSAI Guy] shows in a recent video, for what you might expect to pay for a decent meter, you can now
get one that includes a scope
. There are several options out there but it is hard to know how much to spend to get the best... | 25 | 14 | [
{
"comment_id": "7194781",
"author": "CLOVIS FRITZEN",
"timestamp": "2024-08-14T20:11:55",
"content": "Price still separates toys from instruments",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7217778",
"author": "Phyzzi",
"timestamp": "2024... | 1,760,371,823.469545 | ||
https://hackaday.com/2024/08/14/floss-weekly-episode-796-homebrew-im-more-of-a-whopper-guy/ | FLOSS Weekly Episode 796: Homebrew, I’m More Of A Whopper Guy | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"java",
"Liferay"
] | This week
Jonathan Bennett
and
David Ruggles
chat with
John Britton
and
Mike McQuaid
about Homebrew! That’s the missing package manager for macOS; and Workbrew, the commercial offering built on top of it. We cover lots of territory, like why the naming scheme sounds like it was conceived during a pub visit, how Workbre... | 1 | 1 | [
{
"comment_id": "7298940",
"author": "Jeff Rafter",
"timestamp": "2024-08-16T16:34:31",
"content": "These are very cool people making such important stuff!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,823.511917 | ||
https://hackaday.com/2024/08/14/hacker-tactic-pimp-your-probes/ | Hacker Tactic: Pimp Your Probes | Arya Voronova | [
"Hackaday Columns",
"Reverse Engineering",
"Slider"
] | [
"probe",
"reverse engineering",
"skills"
] | Is your multimeter one of your trusty friends when building up boards, repairing broken gadgets, and reverse-engineering proprietary ones? Is it accompanied by a logic analyzer or an oscilloscope at times?
Having a proper probing setup is crucial for many a task, and the standard multimeter probes just won’t do. As a P... | 32 | 16 | [
{
"comment_id": "7188363",
"author": "some guy",
"timestamp": "2024-08-14T18:22:38",
"content": "Be careful when sliding your (sharp) probe across small pitched IC legs, like TQFP. I think i managed to create a short once that killed an entire project (unobtainium IC and stuff). :-/ The advice (in t... | 1,760,371,823.591492 | ||
https://hackaday.com/2024/08/14/a-really-low-level-guide-to-doing-ethernet-on-an-fpga/ | A Really Low Level Guide To Doing Ethernet On An FPGA | Lewin Day | [
"FPGA",
"Network Hacks"
] | [
"ethernet",
"fpga",
"network",
"networking"
] | With so much of our day-to-day networking done wirelessly these days, it can be easy to forget about Ethernet. But it’s a useful standard and can be a great way to add a reliable high-throughput network link to your projects. To that end, [Robert Feranec] and [Stacy Rieck] whipped up a tutorial on
how to work with Ethe... | 7 | 5 | [
{
"comment_id": "7180351",
"author": "Pat",
"timestamp": "2024-08-14T16:03:43",
"content": "I highly, highly, highly recommend Alex Forencich’s Ethernet implementation.https://github.com/alexforencich/verilog-ethernetHe’s just insanely responsive for a free project and there are implementations up t... | 1,760,371,823.807845 | ||
https://hackaday.com/2024/08/14/laser-cutters-wheres-the-point/ | Laser Cutters: Where’s The Point? | Al Williams | [
"cnc hacks",
"Featured",
"Skills",
"Slider"
] | [
"laser cutter",
"laser engraver"
] | It is funny how when you first start doing something, you have so many misconceptions that you have to discard. When you look back on it, it always seems like you should have known better. That was the case when I first got a low-end laser cutter. When you want to cut or engrave something, it has to be in just the righ... | 31 | 14 | [
{
"comment_id": "7178326",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-14T14:26:21",
"content": "I guess it is time to dust off the laser engraver and burn some Jolly Wrenchers!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7178602"... | 1,760,371,823.947108 | ||
https://hackaday.com/2024/08/14/whacky-science-using-mayonnaise-to-study-rayleigh-taylor-instability/ | Wacky Science: Using Mayonnaise To Study Rayleigh-Taylor Instability | Maya Posch | [
"Science"
] | [
"inertial confinement fusion",
"plasma physics",
"rayleigh-taylor instability"
] | Sometimes a paper in a scientific journal pops up that makes you do a triple-take, case in point being
a recent paper
by [Aren Boyaci] and [Arindam Banerjee] in
Physical Review E
titled
“Transition to plastic regime for Rayleigh-Taylor instability in soft solids”
. The title doesn’t quite do their methodology justice —... | 11 | 5 | [
{
"comment_id": "7176024",
"author": "Nebk",
"timestamp": "2024-08-14T12:48:28",
"content": "Just another example of Hackaday being in the deep and sticky pockets of Big Mayonnaise.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7178404",
"author": "... | 1,760,371,823.864888 | ||
https://hackaday.com/2024/08/14/ryobi-battery-pack-gives-up-its-secrets-before-giving-up-the-ghost/ | Ryobi Battery Pack Gives Up Its Secrets Before Giving Up The Ghost | Dan Maloney | [
"Repair Hacks",
"Reverse Engineering"
] | [
"battery",
"bms",
"console",
"i2c",
"reverse engineering",
"ryobi",
"serial"
] | Remember when dead batteries were something you’d just toss in the trash? Those days are long gone, thankfully, and rechargeable battery packs have put powerful cordless tools in the palms of our hands. But when those battery packs go bad, replacing them becomes an expensive proposition. And that’s a great excuse to
po... | 44 | 17 | [
{
"comment_id": "7169488",
"author": "David Mark Pye",
"timestamp": "2024-08-14T09:23:47",
"content": "I did some work reverse engineering and then writing replacement firmware for the Dyson V10 series, which uses the same BMS IC family.https://github.com/davidmpye/V10_Dyson_BMS/wiki/Hardware-infoTh... | 1,760,371,824.089084 | ||
https://hackaday.com/2024/08/13/original-game-boy-gets-display-upgrade/ | Original Game Boy Gets Display “Upgrade” | Bryan Cockfield | [
"Retrocomputing"
] | [
"crt",
"display",
"game boy",
"gaming",
"video"
] | Before LCD and LED screens were ubiquitous, there was a time when the cathode ray tube (CRT) was essentially the only game in town. Even into the early 2000s, CRTs were everywhere and continuously getting upgrades, with the last consumer displays even having a semi-flat option. Their size and weight was still a major p... | 17 | 7 | [
{
"comment_id": "7165344",
"author": "Joshua",
"timestamp": "2024-08-14T05:36:59",
"content": "“Even into the early 2000s, CRTs were everywhere and continuously getting upgrades, with the last consumer displays even having a semi-flat option.”That seems right, though I got my first pocket TV with a ... | 1,760,371,824.007409 | ||
https://hackaday.com/2024/08/13/possible-discovery-of-liquid-water-in-mars-mid-crust-by-the-insight-lander/ | Possible Discovery Of Liquid Water In Mars’ Mid-Crust By The Insight Lander | Maya Posch | [
"Space"
] | [
"extraterrestrial water",
"mars",
"seismology"
] | One of the most sought after substances in the Universe is water – especially in its liquid form – as its presence on a planet makes the presence of life (as we know it) significantly more likely. While there are potentially oceans worth of liquid water on e.g. Jupiter’s moon Europa, for now Mars is significantly easie... | 15 | 6 | [
{
"comment_id": "7161352",
"author": "Mike",
"timestamp": "2024-08-14T02:11:53",
"content": "” One of the most sought after substances in the Universe is water ” And we have magnitudes of it right here on earth. No need to look elsewhere.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,824.295827 | ||
https://hackaday.com/2024/08/13/from-vehicle-to-grid-to-diy-home-powerwalls/ | From Vehicle-to-Grid To DIY Home Powerwalls | Heidi Ulrich | [
"Battery Hacks"
] | [
"ESP32",
"EV battery",
"powerwall"
] | As battery-to-grid and vehicle-to-home technologies become increasingly mainstream, the potential for repurposing electric vehicle (EV) batteries has grown significantly. No longer just a niche pursuit, using retired EV batteries for home energy storage has become more accessible and appealing, especially as advancemen... | 48 | 7 | [
{
"comment_id": "7158118",
"author": "Pablo Rogina",
"timestamp": "2024-08-13T23:33:21",
"content": "How the battery packs are obtained? Are they discarded? Brought at auction? I am curious how those 2 100kWh Tesla packs came from. Thanks",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,824.182079 | ||
https://hackaday.com/2024/08/13/cheap-diy-button-pad-uses-neat-punchcard-trick/ | Cheap DIY Button Pad Uses Neat Punchcard Trick | Lewin Day | [
"Games",
"Peripherals Hacks"
] | [
"button box",
"diy",
"streamdeck"
] | A StreamDeck is effectively a really cool box full of colorful buttons that activate various things on your PC. They’re fun and cool but they’re also something you can build yourself if you’re so inclined. [Jason] did just that for his sim racing setup,
and he included some nifty old-school tech as well.
An ESP32 is at... | 16 | 6 | [
{
"comment_id": "7154137",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-13T20:24:48",
"content": "Neat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7154911",
"author": "drenehtsral",
"timestamp": "2024-08-13T21:21:30",
... | 1,760,371,824.239279 | ||
https://hackaday.com/2024/08/13/stemfie-the-3d-printable-construction-set/ | Stemfie, The 3D-Printable Construction Set | Lewin Day | [
"3d Printer hacks",
"Toy Hacks"
] | [
"3d printer",
"construction kit",
"construction toy",
"horse"
] | Construction kit toys are cited by many adults as sparking great creativity and engineering talent in their youth. LEGO, Meccano, K’NEX, Lincoln Logs—these are all great commercial options.
But what about printing your very own construction kit at home?
Meet Stemfie.
Fundamentally, Stemfie isn’t that different from any... | 3 | 3 | [
{
"comment_id": "7153198",
"author": "Greg A",
"timestamp": "2024-08-13T18:49:52",
"content": "heh this is a great example of how i’ve had a 3d printer for a decade now and i’ve made about 120 projects and i’ve only used about 5 rolls of filament. for building toys, i’ve made replacement parts and ... | 1,760,371,824.451358 | ||
https://hackaday.com/2024/08/13/portable-router-build-picking-your-cpu/ | Portable Router Build: Picking Your CPU | Arya Voronova | [
"Hackaday Columns",
"Network Hacks",
"Slider"
] | [
"diy",
"network",
"router"
] | I want to introduce you to a project of mine – a portable router build, and with its help, show you how you can build a purpose-built device. You might have seen portable routers for sale, but if you’ve been in the hacking spheres long enough, you might notice there are “coverage gaps”, so to speak. The Pi-hole project... | 23 | 9 | [
{
"comment_id": "7152444",
"author": "ULISSES CAMPOS",
"timestamp": "2024-08-13T17:51:10",
"content": "Hi, I’m from Brazil and I use a European solution here (Mikrotik). This model is a router with LTE and is very versatile. The system is based on Linux. I don’t use this specific model, but I have u... | 1,760,371,824.525279 | ||
https://hackaday.com/2024/08/13/diy-gaming-laptop-built-entirely-with-desktop-parts/ | DIY Gaming Laptop Built Entirely With Desktop Parts | Lewin Day | [
"laptops hacks"
] | [
"build your own laptop",
"diy laptop",
"home made laptop",
"home-built laptop",
"homemade",
"laptop"
] | Gaming laptops often tend towards implementing more desktop-like hardware in the pursuit of pure
grunt.
But what if you were to simply buy desktop hardware yourself, and build
your own
gaming laptop? That would be very cool,
as [Socket Science] demonstrates for us all.
The project began with lofty goals. The plan wasn’... | 23 | 7 | [
{
"comment_id": "7148751",
"author": "shinsukke",
"timestamp": "2024-08-13T15:36:28",
"content": "What the actual…?Damn I want to build one too!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7150463",
"author": "Padrote",
"timestamp": "2024-08-13T16:2... | 1,760,371,824.582169 | ||
https://hackaday.com/2024/08/13/the-long-slow-demise-of-dvd-ram/ | The Long, Slow Demise Of DVD-RAM | Alexander Rowsell | [
"Featured",
"Interest",
"News"
] | [] | While CDs were still fighting for market share against cassettes, and gaming consoles were just starting to switch over to CD from cartridge storage, optical media companies were already thinking ahead. Only two years after the introduction of the original PlayStation, the DVD Forum had introduced the DVD-RAM standard:... | 35 | 16 | [
{
"comment_id": "7146948",
"author": "M95D",
"timestamp": "2024-08-13T14:45:32",
"content": "Spin up and down is caused by low quality discs. Set the drive to a lower speed. That will improve write quality and data readability during verification.Another suggestion is not to use Linux unless you do ... | 1,760,371,824.661802 | ||
https://hackaday.com/2024/08/13/diy-rabbit-r1-clone-could-be-neat-with-more-hardware/ | DIY Rabbit R1 Clone Could Be Neat With More Hardware | Lewin Day | [
"Artificial Intelligence",
"Raspberry Pi"
] | [
"gemini",
"rabbit",
"rabbit r1",
"raspberry pi"
] | The Teenage Engineering badging usually appears on some cool gear that almost always costs a great deal of money. One such example is the Rabbit R1, an AI-powered personal assistant that retails for $199. It was also revealed that it’s basically a small device running a simple Android app. That raises the question — co... | 4 | 3 | [
{
"comment_id": "7142755",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-13T12:52:35",
"content": "With the name “Rabbit”, I was expecting a device from Usagi Electric.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7144171",
... | 1,760,371,824.710011 | ||
https://hackaday.com/2024/08/13/rc-submarine-build-starts-with-plenty-of-research/ | RC Submarine Build Starts With Plenty Of Research | Orlando Hoilett | [
"Toy Hacks"
] | [
"arduino",
"buoyancy",
"drone",
"military",
"remote control"
] | [Ben]’s a 15-year-old who loves engineering and loves taking on new challenges. He’s made some cool stuff over the years, but the high water mark (no pun intended) has to be this
impressively documented remote controlled submarine
.
His new build starts off with more research than the actual building. [Ben] spent a ton... | 19 | 6 | [
{
"comment_id": "7134889",
"author": "zoe",
"timestamp": "2024-08-13T08:27:28",
"content": "Hopefully, it won’t implode.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7543182",
"author": "Orlando Hoilett",
"timestamp": "2024-08-22T15:54:50",... | 1,760,371,824.768232 | ||
https://hackaday.com/2024/08/12/a-simple-portable-ps4-build/ | A Simple Portable PS4 Build | Lewin Day | [
"Playstation Hacks"
] | [
"playstation",
"playstation 4",
"portable playstation",
"sony"
] | Building a portable console is hard, right? You have to do lots of wiring, maybe trim a few PCBs, and learn all about the finer points of high-end motherboard design! Or, you could keep it simple.
That’s just what [Francesco6n] did when he built this portable PS4.
The aim for this build wasn’t to build the smallest, sl... | 10 | 6 | [
{
"comment_id": "7133650",
"author": "Jan",
"timestamp": "2024-08-13T07:33:15",
"content": "Try Noctua sileny fans.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7137641",
"author": "Francesco6n",
"timestamp": "2024-08-13T10:02:53",
... | 1,760,371,824.813716 | ||
https://hackaday.com/2024/08/12/hydrogen-generation-with-seawater-aluminum-and-coffee/ | Hydrogen Generation With Seawater, Aluminum, And… Coffee? | Alexander Rowsell | [
"chemistry hacks",
"Science"
] | [
"green hydrogen",
"hydrogen",
"hydrogen fuel cell",
"marine propulsion",
"research"
] | A team at MIT led by [Professor Douglas Hart] has discovered a
new, potentially revelatory method
for the generation of hydrogen. Using seawater, pure aluminum, and components from coffee grounds, the team was able to generate hydrogen at a not insignificant rate, getting the vast majority of the theoretical yield of h... | 57 | 20 | [
{
"comment_id": "7127688",
"author": "Ostracus",
"timestamp": "2024-08-13T02:01:33",
"content": "Man who knew my coffee habit could be so useful?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7128249",
"author": "puzzled",
"timestamp": "2024-08-13T02:... | 1,760,371,825.083504 | ||
https://hackaday.com/2024/08/12/globe-shaped-world-clock-is-a-3d-printed-mechanical-marvel/ | Globe-Shaped World Clock Is A 3D-Printed Mechanical Marvel | Lewin Day | [
"3d Printer hacks",
"clock hacks"
] | [
"3d printed",
"3d printer",
"clock",
"japan",
"japanese",
"time",
"time zone",
"world clock"
] | Time zones are a complicated but necessary evil. Humans like the numbers on the clock to vaguely match up with what the sun is doing in the sky outside. To that end, different places in the world keep different time. If you want to keep track of them in a very pretty fashion, you might consider building
a fancy and bea... | 5 | 4 | [
{
"comment_id": "7122638",
"author": "Andrew",
"timestamp": "2024-08-13T00:12:55",
"content": "Sugoi!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7128924",
"author": "Jason",
"timestamp": "2024-08-13T03:14:58",
"content": "Anyone know what CAD p... | 1,760,371,824.878312 | ||
https://hackaday.com/2024/08/12/can-you-hack-the-rp2350-theres-10000-on-the-line/ | Can You Hack The RP2350? There’s $10,000 On The Line | Lewin Day | [
"Microcontrollers",
"Security Hacks"
] | [
"microcontroller",
"raspberry pi",
"raspberry pi pico 2",
"rp2350",
"RPi"
] | The Raspberry Pi Foundation had their new RP2350 chip audited by Hextree.io, and now, both companies want to see if
you
can hack it. Just to prove that they’re serious, they’re putting out a $10,000 bounty.
Can you get inside?
The challenge to hack the chip is simple enough. You need to dump a secret that is hidden at ... | 63 | 11 | [
{
"comment_id": "7107368",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-12T20:20:15",
"content": "Isn’t hacking the sole reason for Pi x existence?B^)I’d be disappointed if the 2350 wasn’t good hor hacking.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,824.98111 | ||
https://hackaday.com/2024/08/12/prusa-picks-up-the-pace-with-new-mk4s-printer/ | Prusa Picks Up The Pace With New MK4S Printer | Tom Nardi | [
"3d Printer hacks",
"News"
] | [
"MK4S",
"open source hardware",
"prusa",
"upgrade"
] | One of the things you’re paying for when you buy a 3D printer from Prusa Research is, essentially, your next 3D printer. That’s because Prusa’s machines are designed to be upgraded and modified as time goes on. An upgrade kit is always released to allow each older printer to be converted into its successor, and while t... | 28 | 9 | [
{
"comment_id": "7104062",
"author": "Tadpole",
"timestamp": "2024-08-12T18:49:58",
"content": "Thank you for sharing that. I wasn’t sure and was (of course) basing my decision on yours.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7104325",
"author": "C... | 1,760,371,825.37656 | ||
https://hackaday.com/2024/08/12/audio-on-pi-here-are-your-options/ | Audio On Pi: Here Are Your Options | Arya Voronova | [
"Featured",
"hardware",
"how-to",
"Raspberry Pi",
"Slider"
] | [
"codec",
"I2S",
"raspberry pi",
"sound",
"usb audio",
"usb audio card"
] | There are a ton of fun Raspberry Pi and Linux projects that require audio output – music players, talking robots, game consoles and arcades, intelligent assistants, mesh network walkie-talkies, and much more! There’s no shortage of Pi-based iPods out there, and my humble opinion is that we still could use more of them.... | 37 | 18 | [
{
"comment_id": "7093785",
"author": "Adrian",
"timestamp": "2024-08-12T14:26:36",
"content": "What about FM radio? There was a hack using the early version Raspberry Pi that involved soldering a short piece of wire to one GPIO pin to act as a short range FM transmitter. A special kernel driver was ... | 1,760,371,825.18778 | ||
https://hackaday.com/2024/08/12/pi-pico-sdr-on-a-breadboard/ | Pi Pico SDR On A Breadboard | Al Williams | [
"Radio Hacks",
"Raspberry Pi"
] | [
"pi pico",
"raspberry pi",
"sdr"
] | How hard is it to make a fully standalone SDR? [101 Things] shows you how to take a breadboard, a PI Pico, and two unremarkable chips to create
a capable radio
. You can see the whole thing in the video below.
The design uses a standard Tayloe demodulator. There’s also an encoder and an OLED display for a user interfac... | 26 | 8 | [
{
"comment_id": "7080413",
"author": "doppler",
"timestamp": "2024-08-12T09:59:53",
"content": "This is worthy of a smd or through hole parts PCB. Not just fly wires and a breadboard. It has the potential to make pricey low band radios envious.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,371,825.253718 | ||
https://hackaday.com/2024/08/11/2024-tiny-games-contest-are-you-a-good-judge-of-time/ | 2024 Tiny Games Contest: Are You A Good Judge Of Time? | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"CircuitPython",
"ESP32-S3",
"macro pad",
"macropad"
] | What can you do with a one-button keyboard? Quite a bit, actually, especially if that key has a little screen on it. That’s the idea behind
[Maker M0]’s MagicClick macro pad
, which is an updated version of a highly useful project
we have featured in the past
. Well, now there’s a tiny game to go with it.
Think you’re ... | 7 | 3 | [
{
"comment_id": "7069943",
"author": "los",
"timestamp": "2024-08-12T05:06:20",
"content": "That ESP32-S3 must get really bored in this job :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7080490",
"author": "Deon",
"timestamp": "2024-08-12... | 1,760,371,825.303094 | ||
https://hackaday.com/2024/08/11/the-first-new-long-wave-radio-station-of-this-millennium/ | The First New Long Wave Radio Station Of This Millennium | Jenny List | [
"Radio Hacks"
] | [
"broadcast radio",
"long-wave",
"radio"
] | The decline of AM broadcast radio is a slow but inexorable process over much of the world, but for regions outside America there’s another parallel story happening a few hundred kilohertz further down the spectrum. The long wave band sits around the 200kHz mark and has traditionally carried national-level programming d... | 34 | 10 | [
{
"comment_id": "7064520",
"author": "WXfreak",
"timestamp": "2024-08-12T02:40:47",
"content": "They are starting with only 1KW, that could be a struggle. 100KW high fidelity AM would be more like it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7066170",
... | 1,760,371,825.542391 | ||
https://hackaday.com/2024/08/11/hackaday-links-august-11-2024/ | Hackaday Links: August 11, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"bassinette",
"bricking",
"CrowdStrike",
"doggo",
"fire",
"grid",
"hackaday links",
"IoT",
"lithium ion",
"paywall",
"pylon",
"regex",
"regular expression",
"root cause",
"tower",
"wildcard",
"wiring harness"
] | “Please say it wasn’t a regex, please say it wasn’t a regex; aww, crap, it was a regex!”
That seems to be the conclusion
now that Crowdstrike has released a
full root-cause analysis
of its now-infamous Windows outage that took down 8 million machines with knock-on effects that reverberated through everything from healt... | 8 | 3 | [
{
"comment_id": "7056298",
"author": "Andrew",
"timestamp": "2024-08-11T23:16:16",
"content": "I guess now they have three problems.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7091164",
"author": "Egghead Larsen",
"timestamp": "2024-08-12... | 1,760,371,826.122529 | ||
https://hackaday.com/2024/08/11/if-you-give-a-dev-a-tricked-out-xbox-theyll-patch-halo-2/ | If You Give A Dev A Tricked Out Xbox, They’ll PatchHalo 2 | Matthew Carlson | [
"Reverse Engineering",
"Video Hacks",
"Xbox Hacks"
] | [
"console modding",
"halo 2",
"kernel",
"xbox",
"xbox mod"
] | [Ryan Miceli] had spent a few years poring over and reverse-engineering
Halo 2
when a friend asked for a favor. His friend created an improved Xbox with significant overclocks, RAM upgrades, BIOS hacks, and a processor swap. The goal was simple: patch the hardcoded maximum resolution from 480p to 720p and maybe even 10... | 2 | 2 | [
{
"comment_id": "7144085",
"author": "clancydaenlightened",
"timestamp": "2024-08-13T13:26:50",
"content": "Better off going for like 640pAnd use higher res models, particles and hd textures insteadEven in 2001 640p was actually a high resolution….",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,826.07629 | ||
https://hackaday.com/2024/08/11/moonbounce-music/ | Moonbounce Music | Adam Fabio | [
"Musical Hacks"
] | [
"amatur radio",
"ham radio",
"moon",
"moonbounce"
] | There’s something inspiring about echos. Who among us hasn’t called out or clapped hands in a large space just to hear the sound reflected back? Radio takes this to a whole new level. You can bounce signals from buildings, aircraft, the ionisphere, or even the Moon itself. Humans have been bouncing radio waves from the... | 7 | 5 | [
{
"comment_id": "7049059",
"author": "BrightBlueJim",
"timestamp": "2024-08-11T19:31:18",
"content": "In 1981, I had an opportunity to take over the operation of a U.S. Air Force height-finder RADAR system for a few minutes one night during daily maintenance time, at a time when the Moon was close t... | 1,760,371,825.587566 | ||
https://hackaday.com/2024/08/11/a-tiny-knob-keeps-you-in-control/ | A Tiny Knob Keeps You In Control | Jenny List | [
"Peripherals Hacks"
] | [
"hid",
"knob",
"Volume knob"
] | There are many forms of human interface device beyond the ubiquitous keyboard and mouse, but when it comes to fine-tuning a linear setting such as a volume control there’s nothing quite like a knob. When it comes to peripherals it’s not the size that matters, as proven by [Stefan Wagner] with the
Tiny Knob
. It’s a ve... | 35 | 14 | [
{
"comment_id": "7039319",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-11T14:06:05",
"content": "The photo of the 3D printed case doesn’t have any tick marks, so it may not go up to 11.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,371,825.661119 | ||
https://hackaday.com/2024/08/11/achieving-human-level-competitive-robot-table-tennis/ | Achieving Human Level Competitive Robot Table Tennis | Maya Posch | [
"Robots Hacks"
] | [
"ping",
"ping pong",
"pong",
"robot",
"table tennis robot"
] | A team at Google has spent a lot of time recently playing table tennis, purportedly only for science. Their goal was to see whether they could construct a robot which would not only play table tennis, but even keep up with practiced human players. In the
paper available on ArXiv
, they detail what it took to make it ha... | 12 | 8 | [
{
"comment_id": "7035654",
"author": "0xdeadbeef",
"timestamp": "2024-08-11T11:51:44",
"content": "I think you meant a convolutional neural network, though a convolutional network network sounds pretty convoluted, all right!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"co... | 1,760,371,825.721152 | ||
https://hackaday.com/2024/08/11/inside-the-mecanum-wheel/ | Inside The Mecanum Wheel | Al Williams | [
"Robots Hacks"
] | [
"360 movement",
"mecanum wheels",
"omni-wheel",
"omniwheel"
] | If you make anything that moves, like a robot, you quickly realize that turning can be a pain. That’s why there are a number of designs for wheels that can go in different directions. One of the most common is the Mecanum wheel. [Jeremy] explains how they work by
filming them from below on a transparent table
. You can... | 5 | 3 | [
{
"comment_id": "7043625",
"author": "Gravis",
"timestamp": "2024-08-11T16:38:17",
"content": "I’ve always found these wheels fascinating but nobody ever seems to talk about their wear and tear. Is there more wear than normal wheels or is the wear in a different pattern? Inquiring minds want to know... | 1,760,371,825.764355 | ||
https://hackaday.com/2024/08/10/proxxon-cnc-conversion-makes-a-small-mill-a-bit-bigger/ | Proxxon CNC Conversion Makes A Small Mill A Bit Bigger | Elliot Williams | [
"cnc hacks"
] | [
"cnc",
"MF70",
"mill",
"proxxon"
] | The Proxxon MF70 mini-mill is a cheap and cheerful, but decently made little desktop mill. As such, it’s been the target of innumerable CNC-ification projects, including an official kit from the manufacturer. But that didn’t stop [Dheera Venkatraman] from sharing
his Big Yellow take on this venerable pursuit
with us!
T... | 10 | 3 | [
{
"comment_id": "7043283",
"author": "Anonymous",
"timestamp": "2024-08-11T16:25:56",
"content": "Never understood Proxxon tools. Why buy plastic equipment at twice the price of cast iron?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7046555",
"aut... | 1,760,371,825.929186 | ||
https://hackaday.com/2024/08/10/potential-cure-for-all-of-englands-beta-thalassemia-patients-within-reach/ | Potential Cure For All Of England’s Beta Thalassemia Patients Within Reach | Maya Posch | [
"Lifehacks",
"Medical Hacks",
"News"
] | [
"blood disorders",
"CRISPR",
"CRISPR CaS9",
"gene-therapy"
] | Beta thalassemia and sickle cell are two red blood cell disorders which both come with massive health implications and shortened lifespans, but at least for UK-based patients the former
may soon be curable
with a fairly new CRISPR-Cas9 gene therapy (Casgevy) via the UK’s National Health Service (NHS). Starting with the... | 6 | 2 | [
{
"comment_id": "7017479",
"author": "Question",
"timestamp": "2024-08-11T04:21:42",
"content": "I want to see them try deleting someone’s entire DNA sequence and replace it with an exact copy taken from a genome sequencing.I’m curious if it’d fix aging related issues that are due to error accumulat... | 1,760,371,825.879029 | ||
https://hackaday.com/2024/08/10/robot-arm-gives-kids-the-roller-coaster-ride-of-their-lives/ | Robot Arm Gives Kids The Roller Coaster Ride Of Their Lives | Dan Maloney | [
"Robots Hacks"
] | [
"gaming",
"KUKA",
"motion simulator",
"NUC",
"robot arm",
"roller coaster"
] | Unfortunately, [Dave Niewinski]’s kids are still too little to go on a real roller coaster. But they’re certainly big enough to be tossed around by
this giant robot arm roller coaster simulator
.
As to the question of why [Dave] has a Kuka KR 150 robot in his house, we prefer to leave that unasked and move forward. And... | 60 | 17 | [
{
"comment_id": "7010555",
"author": "someone",
"timestamp": "2024-08-11T00:13:15",
"content": "This guy set new bar for awesome here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7011547",
"author": "deL",
"timestamp": "2024-08-11T00:53:26",
"co... | 1,760,371,828.038034 | ||
https://hackaday.com/2024/08/10/3d-printed-jet-engine-goes-turbo/ | 3D Printed Jet Engine Goes Turbo | Al Williams | [
"3d Printer hacks"
] | [
"turbojet",
"turbonfan"
] | Printing a model jet engine is quite an accomplishment. But it wasn’t enough for [linus3d]. He wanted to
redesign
it to have a turbojet, an afterburner, and a variable exhaust nozzle. You can see how it all goes together in the video below.
This took months of work and it shows. This probably won’t make a good rainy-da... | 12 | 4 | [
{
"comment_id": "7010967",
"author": "ejaio",
"timestamp": "2024-08-11T00:29:56",
"content": "Protip: skip to 4:35, all the important content starts from there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7022456",
"author": "El Gru",
"timestamp": "... | 1,760,371,828.234351 | ||
https://hackaday.com/2024/08/10/be-your-own-dj-with-qn8066-and-an-arduino-library/ | Be Your Own DJ With QN8066 And An Arduino Library | Adam Fabio | [
"Radio Hacks"
] | [
"AM/FM",
"fm",
"FM broadcast",
"radio",
"transmitter"
] | The QN8066 is a fun little FM transmitter chip. It covers the full FM broadcast band and has built-in DSP. You would find this sort of part in car cell phone adapters before every vehicle included Bluetooth or an AUX port. [Ricardo] has created an
Arduino library to bring the QN8066 to the masses
.
The chip is rather ... | 5 | 2 | [
{
"comment_id": "7018656",
"author": "Chris Maple",
"timestamp": "2024-08-11T04:48:58",
"content": "The QN8066 has quite good specifications both as transmitter and receiver, although as a receiver the -40 dB alternate channel rejection is not impressive.",
"parent_id": null,
"depth": 1,
... | 1,760,371,828.412397 | ||
https://hackaday.com/2024/08/10/better-living-through-hackery/ | Better Living Through Hackery | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"diy",
"personal tech"
] | Hackaday’s own [Arya Voronova] has been on a
multi-year kick to make technology more personal by making it herself
, and has just now started writing about it. Her main point rings especially true in this day and age, where a lot of the tech devices we
could
use to help us are instead used to spy on us or are designed ... | 11 | 2 | [
{
"comment_id": "6988791",
"author": "PWalsh",
"timestamp": "2024-08-10T15:01:14",
"content": "I’ve spent a fair bit of time tuning my environment and lifestyle to promote creativity and my projects.The biggest problem I have now is what I call the “one more project” problem. That’s where you can se... | 1,760,371,828.085028 | ||
https://hackaday.com/2024/08/10/video-game-preservation-stop-killing-games/ | Video Game Preservation – Stop Killing Games! | Alexander Rowsell | [
"Games",
"News"
] | [
"consumer protection",
"digital preservation",
"petition",
"preservation",
"software preservation",
"video games"
] | It’s been an ongoing issue for years now. People who buy video games, especially physical copies, expect to be able to play that game at their leisure, no matter how old their console gets. This used to be a no-brainer: think about the SNES or Genesis/Mega Drive from the late 80s and early 90s. You can still buy one to... | 60 | 16 | [
{
"comment_id": "6981685",
"author": "June",
"timestamp": "2024-08-10T12:07:21",
"content": "I mean, this is just licensed software, and revoking licenses is a well tested thing. “Sold as goods” isn’t legal nomenclature and just nonsense.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,827.933481 | ||
https://hackaday.com/2024/08/10/what-is-systemverilog-really/ | What Is SystemVerilog, Really? | Al Williams | [
"FPGA"
] | [
"fpga"
] | [Mark] starts a post from a bit ago with: “… maybe you have also heard that SystemVerilog is simply an extension of Verilog, focused on testing and verification.” This is both true and false, depending on how you look at it. [Mark] then
explains what the differences are
. It’s a good read if you are Verilog fluent, but... | 7 | 5 | [
{
"comment_id": "6978745",
"author": "combinatorylogic",
"timestamp": "2024-08-10T10:45:30",
"content": "As useful as SystemVerilog is, I find the features provided by the Emacs verilog-mode an almost complete substitution (and, in some regards, superior).",
"parent_id": null,
"depth": 1,
... | 1,760,371,827.785682 | ||
https://hackaday.com/2024/08/09/the-luminiferous-theremin/ | The Luminiferous Theremin | Al Williams | [
"Musical Hacks"
] | [
"electronic music",
"music",
"theremin"
] | [Extreme Kits] asks the question: “What the hell is a
luminiferous theremin
?” We have to admit, we know what a thermin is, but that’s as far as we got. You’ve surely seen and heard a theremin, the musical instrument developed by Leon Theremin that makes swoopy music often associated with science fiction movies. The lu... | 5 | 2 | [
{
"comment_id": "6970775",
"author": "Dadjokes",
"timestamp": "2024-08-10T07:25:14",
"content": "I was thinking of selling my theramin: I haven’t touched it for years!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6987377",
"author": "The Commenter ... | 1,760,371,827.826501 | ||
https://hackaday.com/2024/08/09/laser-fault-injection-on-the-cheap/ | Laser Fault Injection On The Cheap | Dan Maloney | [
"Reverse Engineering"
] | [
"fault injection",
"galvanometer",
"galvo",
"glitching",
"laser fault injection",
"LFI"
] | One can only imagine the wonders held within the crypto labs of organizations like the CIA or NSA. Therein must be machines of such sophistication that no electronic device could resist their attempts to defeat whatever security is baked into their silicon. Machines such as these no doubt bear price tags that only a no... | 8 | 4 | [
{
"comment_id": "6966725",
"author": "Anony mouse",
"timestamp": "2024-08-10T06:03:38",
"content": "Erm, laser is also electromagnetic energy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6983208",
"author": "Jan-Willem",
"timestamp": "2024-08-10T12:... | 1,760,371,827.685348 | ||
https://hackaday.com/2024/08/09/the-waveguide-explanation-you-wish-youd-had-at-school/ | The Waveguide Explanation You Wish You’d Had At School | Jenny List | [
"Radio Hacks"
] | [
"microwave",
"transmission line",
"waveguide"
] | Anyone who has done an electronic engineering qualification will at some point have had to get to grips with transmission lines, and then if they are really lucky, waveguides. Perhaps there should be one of those immutable Laws stating that for each step in learning about these essential parts, the level of the maths y... | 13 | 7 | [
{
"comment_id": "6947556",
"author": "Aaron",
"timestamp": "2024-08-09T23:07:17",
"content": "Waveguides and RF in general are really the dark arts they work with black magic and witchcraft",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6952663",
"author":... | 1,760,371,827.738035 | ||
https://hackaday.com/2024/08/09/the-first-fitbit-engineering-and-industrial-design-lessons/ | The First Fitbit: Engineering And Industrial Design Lessons | Maya Posch | [
"History"
] | [
"fitbit",
"fitness tracker"
] | It could happen to anyone of us: suddenly you got this inkling of an idea for a product that you think might just be pretty useful or even cool. Some of us then go on to develop a prototype and manage to get enough seed funding to begin the long and arduous journey to turn a sloppy prototype into a sleek, mass-produced... | 7 | 4 | [
{
"comment_id": "6947075",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-09T22:58:30",
"content": "I bought a couple of Fitbits at a garage sale a couple years ago.But without the password I wasn’t able to register them Google, or even reset their time.",
"parent_id": nu... | 1,760,371,828.279235 | ||
https://hackaday.com/2024/08/09/500cc-of-4-wheel-off-road-fun/ | 500cc Of 4-Wheel Off-Road Fun | Jenny List | [
"Transportation Hacks"
] | [
"buggy",
"off road",
"space frame"
] | Who among us hasn’t at some point thought of building a little vehicle, and better still, a little off-road vehicle for a few high-octane rough-terrain adventures. [Made in Poland] has, and there he is in a new video
with a little off-road buggy
.
The video which we’ve paced below the break is quite long, and it’s one ... | 9 | 3 | [
{
"comment_id": "6943108",
"author": "HaHa",
"timestamp": "2024-08-09T21:20:53",
"content": "Needs mouse, but not as much as the last one.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7024687",
"author": "J. Samson",
"timestamp": "2024-08-... | 1,760,371,828.324483 | ||
https://hackaday.com/2024/08/09/hackaday-podcast-episode-283-blinding-lasers-leds-and-ets/ | Hackaday Podcast Episode 283: Blinding Lasers, LEDs, And ETs | Al Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday Editors Elliot Williams and Al Williams reflect on the fact that, as humans, we have–at most–two eyes and no warp drives. While hacking might not be the world’s most dangerous hobby, you do get to work with dangerous voltages, temperatures, and frickin’ lasers. Light features prominently, as the guys talk abou... | 3 | 1 | [
{
"comment_id": "7100144",
"author": "David Plass",
"timestamp": "2024-08-12T16:47:34",
"content": "You kept mentioning SAO but …what is it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7146056",
"author": "somehacker",
"timestamp": "2024-0... | 1,760,371,828.372138 | ||
https://hackaday.com/2024/08/09/custom-pneumatic-cylinders-lock-this-monitor-arm-in-place/ | Custom Pneumatic Cylinders Lock This Monitor Arm In Place | Dan Maloney | [
"Parts",
"Tool Hacks"
] | [
"kvm",
"lock",
"monitor",
"parallelogram",
"pneumatic",
"shop",
"solenoid"
] | Few consumer-grade PCs are what you’d categorize as built to last. Most office-grade machines are as likely as not to give up the ghost after ingesting a few too many dust bunnies, and the average laptop can barely handle a few drops of latte and some muffin crumbs before croaking. Sticking a machine like that in the s... | 8 | 5 | [
{
"comment_id": "6930564",
"author": "Manfred",
"timestamp": "2024-08-09T17:07:37",
"content": "And now a POV AR display! Moving the monitor at full speed……",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6934598",
"author": "mip",
"timestamp": "2024-08... | 1,760,371,829.205334 | ||
https://hackaday.com/2024/08/09/this-week-in-security-ghostwrite-localhost-and-more/ | This Week In Security: GhostWrite, Localhost, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Ghostwire",
"Localhost",
"PNA",
"This Week in Security"
] | You may have heard some scary news about RISC-V CPUs. There’s good news, and bad news, and the whole thing is a bit of a cautionary tale.
GhostWrite
is a devastating vulnerability in a pair of T-Head XuanTie RISC-V CPUs. There are also unexploitable crashes in another T-Head CPU and the QEMU soft core implementation. T... | 5 | 4 | [
{
"comment_id": "6923715",
"author": "Christian",
"timestamp": "2024-08-09T14:34:01",
"content": "There is a RFC for almost anything IP.https://datatracker.ietf.org/doc/html/rfc1918– Special Use IPv4 AddressesIt’s only “Category: Best Current Practice” but it does give 0.0.0.0 a definition:“Address ... | 1,760,371,828.800065 | ||
https://hackaday.com/2024/08/09/liquid-reversibly-solidifies-at-room-temperature-gets-used-for-3d-prints/ | Liquid (Reversibly) Solidifies At Room Temperature, Gets Used For 3D Prints | Donald Papp | [
"3d Printer hacks",
"Science"
] | [
"3d printing",
"liquid",
"materials science",
"polymer"
] | Researchers demonstrate sustainable
3D printing by using poly(N-isopropylacrylamide) solutions
(PNIPAM), which speedily and reliably turn solid by undergoing a rapid phase change when in a salt solution.
This property has been used to 3D print objects by using a syringe tip as if it were a nozzle in a filament-based pr... | 8 | 3 | [
{
"comment_id": "6920339",
"author": "Knochi",
"timestamp": "2024-08-09T12:02:57",
"content": "Well it doesn’t look really solid in the water.. more like cooked spaghetti.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7004110",
"author": "Allie_x",
... | 1,760,371,828.948239 | ||
https://hackaday.com/2024/08/09/fixing-a-busted-fluke-while-fighting-a-wonky-schematic/ | Fixing A Busted Fluke While Fighting A Wonky Schematic | Dan Maloney | [
"Repair Hacks"
] | [
"fluke",
"Fluke 25",
"fusible",
"meter",
"multimeter",
"repair",
"teardown"
] | Fluke meters have been around for a long, long time. Heck, we’ve got a Fluke 73 that we bought back in 1985 that’s still a daily driver. But just because they’ve been making them forever doesn’t mean they last forever, and getting a secondhand meter back in the game can be a challenge. That’s what [TheHWCave] learned w... | 16 | 9 | [
{
"comment_id": "6919777",
"author": "Derek",
"timestamp": "2024-08-09T10:34:55",
"content": "“If you’re in the market for a meter but can’t afford the Fluke name, picking up a busted meter and fixing it up like this might be one way to go.”But you need a working multimeter to do it ?",
"parent_... | 1,760,371,829.007799 | ||
https://hackaday.com/2024/08/08/mouse-doesnt-play-pong-it-is-pong/ | Mouse Doesn’t Play Pong… It IS Pong! | Al Williams | [
"Games",
"Microcontrollers"
] | [
"pi pico",
"pong",
"usb host"
] | From the “why didn’t we think of that” department comes [dupontgu’s]
pong mouse project
. The mouse appears and acts like a normal computer mouse until you click the scroll wheel. When you do, the mouse rapidly moves the cursor on the connected computer to play pong. Obviously, though, the paddles and the ball all look... | 1 | 1 | [
{
"comment_id": "6921204",
"author": "davedarko",
"timestamp": "2024-08-09T13:30:58",
"content": "That’s Guy Dupont btw :)https://hackaday.com/blog/?s=Guy+Dupont",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,828.752074 | ||
https://hackaday.com/2024/08/08/kickflips-and-buffer-slips-an-exploit-in-tony-hawks-pro-skater/ | Kickflips And Buffer Slips: An Exploit In Tony Hawk’s Pro Skater | Matthew Carlson | [
"Xbox Hacks"
] | [
"exploit",
"rop",
"strcpy",
"xbox"
] | [Ryan Miceli] wanted to build some reverse engineering skills by finding a new exploit for an original Xbox. Where he ended up was an exploit that worked across the network, across several games, and several different consoles. But it all started with an
unbounded strcpy in Tony Hawk Pro Skater (THPS)
.
Xbox, PlayStati... | 7 | 5 | [
{
"comment_id": "6915390",
"author": "Luke Davis",
"timestamp": "2024-08-09T07:14:20",
"content": "Wow, he really doesn’t like the PS2 lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6920389",
"author": "Josiah Gould",
"timestamp": "2024-08-09T12:16... | 1,760,371,828.84668 | ||
https://hackaday.com/2024/08/08/building-ai-models-to-diagnose-hvac-issues/ | Building AI Models To Diagnose HVAC Issues | Bryan Cockfield | [
"Machine Learning"
] | [
"ai",
"aiot",
"artificial intelligence",
"cnc",
"heat",
"hvac",
"hydronic",
"machine learning",
"model",
"thermal camera",
"thermal imaging"
] | HVAC – heating, ventilation, and air conditioning – can account for a huge amount of energy usage of a building, whether it’s residential or industrial. Often it’s the majority energy consumer, especially in places with extreme climates or for things like data centers where cooling is a large design consideration. When... | 10 | 4 | [
{
"comment_id": "6906195",
"author": "Michael Joseph Ballezza",
"timestamp": "2024-08-09T04:15:12",
"content": "Heat pumps can reject or collect heat from water as well. Better to move water or glycol around than refrigerant anyway.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,828.894659 | ||
https://hackaday.com/2024/08/08/internet-appliance-to-portable-terminal/ | Internet Appliance To Portable Terminal | Navarre Bartz | [
"Retrocomputing"
] | [
"assembly",
"bbs",
"Cidco MailStation",
"Internet Appliance",
"MailStation",
"retro",
"retro computer",
"retrocomputing",
"terminal",
"z80",
"zilog"
] | Few processors have found themselves in so many different devices as the venerable Z80. While it isn’t powerful by modern standards, you can still use devices like this
Cidco MailStation
as a terminal.
The MailStation was originally designed as an email machine for people who weren’t onboard with this whole computer fa... | 4 | 3 | [
{
"comment_id": "6920792",
"author": "brian",
"timestamp": "2024-08-09T13:19:56",
"content": "This device looks to be the same as a British Telecom device from that time . except the BT one is green. I always assumed BT had actually designed it .",
"parent_id": null,
"depth": 1,
"replies... | 1,760,371,829.050198 | ||
https://hackaday.com/2024/08/08/adapter-salad-making-your-own-server-cables-because-hp-wont-sell-them-to-you/ | Adapter Salad: Making Your Own Server Cables Because HP Won’t Sell Them To You | Lewin Day | [
"computer hacks",
"Parts"
] | [
"cable",
"cables",
"hp enterprise",
"hpe",
"sas",
"serial attached scsi"
] | The world is tough and uncaring sometimes, especially if you’re at home tinkering with HP Enterprise equipment. If you’re in the same boat as [Neel Chauhan], you might have found that HPE is less than interested in interacting with small individual customers. Thus, when a cable was needed, [Neel] was out of luck.
The s... | 24 | 12 | [
{
"comment_id": "6882051",
"author": "IIVQ",
"timestamp": "2024-08-08T19:11:04",
"content": "I have made– one Cat5-cable with one RJ-45 8P8C (with 4 wires) and two “RJ-11” 6P4C (with 2 wires) at each end– A few cables meant for RJ485 with two male USB-A connectors (hey, it works, just don’t use it i... | 1,760,371,829.113563 | ||
https://hackaday.com/2024/08/08/a-smart-led-dice-box-thanks-to-the-internet-of-things/ | A Smart LED Dice Box Thanks To The Internet Of Things | Lewin Day | [
"Games",
"LED Hacks"
] | [
"dice",
"dice box",
"dice roll",
"smart dice"
] | If there’s one thing humans love, it’s dancing with chance. To that end, [Jonathan] whipped up
a fun dice box, connecting it to the Internet of Things for additional functionality.
Expect dice roll stat tracking to become a big thing in the D&D community.
The build is based around
Pixels Dice.
They’re a smart type of I... | 5 | 4 | [
{
"comment_id": "6879282",
"author": "David",
"timestamp": "2024-08-08T17:04:00",
"content": "I dunno about this, it seems a bit … dicey.dodges rotten fruitSeriously, this looks like a cool way to help keep records.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,371,829.161543 | ||
https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/ | Raspberry Has A New Pico, Built With The New RP2350 | Elliot Williams | [
"Featured",
"News",
"Slider"
] | [
"microcontroller",
"pi pico",
"rp2350"
] | Raspberry Pi’s first foray into the world of microcontrollers, the RP2040, was a very interesting chip. Its standout features were the programmable input/output units (PIOs) which enabled all sorts of custom real-time shenanigans. And that’s not to discount the impact of the Pi Pico, the $4 dev kit built around it.
Tod... | 129 | 28 | [
{
"comment_id": "6874941",
"author": "Ergotron",
"timestamp": "2024-08-08T15:30:12",
"content": "I don’t know, little hard to get excited about this. Sure the spec bump is nice, and I imagine there’s a valid application for the core selection out there (even if I don’t know what it is). But now it’s... | 1,760,371,829.90428 | ||
https://hackaday.com/2024/08/08/keebin-with-kristina-the-one-with-the-kicad-plugin/ | Keebin’ With Kristina: The One With The KiCad Plugin | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"cirque",
"harlequin",
"KiCAD",
"kicad plugin",
"QMK",
"raspberry pi",
"Smith Premier 1 typewriter",
"track pad",
"trackpad",
"ZMK"
] | Image by [fata1err0r81] via
reddit
The most striking feature of the
Tenshi
keyboard has to be those dual track pads. But then you notice that [fata1err0r81] managed to sneak in two extra thumb keys on the left, and that those are tilted for comfort and ease of actuation.
The name Tenshi means ‘angel’ in Japanese, and c... | 2 | 1 | [
{
"comment_id": "6898160",
"author": "Lola",
"timestamp": "2024-08-09T01:48:37",
"content": "More keyboards? Move on.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6954248",
"author": "Alan",
"timestamp": "2024-08-10T01:20:31",
"con... | 1,760,371,829.654624 | ||
https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/ | Magnesium And Copper Makes An Emergency Flashlight | Lewin Day | [
"3d Printer hacks"
] | [
"battery",
"copper",
"flashlight",
"magnesium"
] | Many of us store a flashlight around the house for use in emergency situations. Usually, regular alkaline batteries are fine for this task, as they’ll last a good few years, and you remember to swap them out from time to time. Alternatively, you can make one that lasts virtually indefinitely in storage, and uses some s... | 17 | 10 | [
{
"comment_id": "6868921",
"author": "Rezz",
"timestamp": "2024-08-08T12:12:44",
"content": "Yes! I remember as a kid doing projects in school where we ran a clock on a lemon, a LED on a bunch of apples in series, and with one potato we ran a whole ass GLaDOS!",
"parent_id": null,
"depth": 1... | 1,760,371,829.608172 | ||
https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/ | Tulip Is A Micropython Synth Workstation, In An ESP32 | Elliot Williams | [
"Musical Hacks"
] | [
"diy",
"ESP32",
"micropython",
"synthesizer"
] | We’re not sure exactly
what
Tulip
is, because it’s so many things all at once. It’s a music-making environment that’s programmable in Python, runs on your big computer or on an ESP32-S3, and comes complete with some nice sounding synth engines, a sequencer, and a drum machine all built in. It’s like your dream late-198... | 6 | 2 | [
{
"comment_id": "6877722",
"author": "Matthew Cox",
"timestamp": "2024-08-08T16:30:42",
"content": "dasiy seed does all of this, with onboard dsp. it doesnt have BLE, but musicians wouldn’t use ble anyway. oh, and it’s $30",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,371,829.948288 | ||
https://hackaday.com/2024/08/07/forget-ship-in-a-bottle-how-about-joule-thief-in-a-fuse-tube/ | Forget Ship In A Bottle, How About Joule Thief In A Fuse Tube? | Donald Papp | [
"LED Hacks"
] | [
"ethernet transformer",
"joule thief",
"led",
"tiny"
] | We love close-up pictures of intricate work, and [w] hits the spot with
a tiny joule thief in a fuse case
(social media post, embedded below) powered by an old coin cell from a watch. It’s so tiny!
Ethernet transformers contain tiny coils.
A joule thief is a sort of minimum-component voltage booster that can suck nearl... | 14 | 3 | [
{
"comment_id": "6855591",
"author": "Dude",
"timestamp": "2024-08-08T05:47:19",
"content": "How efficient is a Joule Thief exactly?Sure, it can run off of a “dead” battery, but the amount of energy remaining in the battery is less than 5-10% extra. If the running efficiency of the circuit is less t... | 1,760,371,830.008888 | ||
https://hackaday.com/2024/08/07/the-first-real-sputnik/ | The First Real Sputnik | Al Williams | [
"History",
"Space"
] | [
"Soviet Union",
"space",
"sputnik"
] | Americans certainly remember Sputnik. At a time when the world was larger and scarier, the Soviets had a metal basketball flying over the United States and the rest of the world. It made people nervous, but it was also a tremendous scientific achievement. However, it wasn’t the plan to use it as the
first orbiter
, as ... | 17 | 7 | [
{
"comment_id": "6850755",
"author": "Garth",
"timestamp": "2024-08-08T04:21:37",
"content": "Very interesting. History tends to only mention the first Sputnik. Nice to know there were more in the series. One thing….in the video, where were the illustrations ? Where were the pictures ? The lecture o... | 1,760,371,830.063045 | ||
https://hackaday.com/2024/08/07/vintage-crystal-radio-draws-the-waves/ | Vintage Crystal Radio Draws The Waves | Al Williams | [
"Radio Hacks"
] | [
"am radio",
"crystal radio",
"germanium diode"
] | The classic crystal radio was an oatmeal box with some wire and a few parts. [Michael Simpson] has something very different. He found an assembled
Philmore “selective” radio kit
. The simple kit had a coil, a germanium diode, and a crystal earphone.
We were sad when [Michael] accidentally burned a part of the radio’s c... | 10 | 6 | [
{
"comment_id": "6831247",
"author": "victor martelli",
"timestamp": "2024-08-07T23:25:48",
"content": "The first thing I recall hearing on my Philmore crystal set was a news report on the day Roger Bannister broke the four-minute mile. None of that fancy 1N34A stuff, it had a cats whisker and an a... | 1,760,371,830.113157 | ||
https://hackaday.com/2024/08/07/floss-weekly-episode-795-liferay-now-were-thinking-with-portals/ | FLOSS Weekly Episode 795: Liferay, Now We’re Thinking With Portals | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"java",
"Liferay"
] | This week
Jonathan Bennett
and
Doc Searls
chat with
Olaf Kock
and Dave Nebinger about Liferay! That’s a Java project that started as an implementation of a web portal, and has turned into a very flexible platform for any sort of web application. How has this Open Source project turned into a very successful business? A... | 0 | 0 | [] | 1,760,371,830.149306 | ||
https://hackaday.com/2024/08/07/compiling-four-billion-if-statements/ | Compiling Four Billion If Statements | Matthew Carlson | [
"computer hacks",
"Software Hacks"
] | [
"assembly code",
"code",
"compiler",
"python"
] | With modern tools, you have to try very hard to do something stupid, because the tools (rightly) recognize you’re doing something stupid. [Andreas Karlsson] can speak to that first hand as
he tried to get four billion if statements to compile
.
You may ask what state space requires four billion comparisons to evaluate?... | 44 | 22 | [
{
"comment_id": "6813384",
"author": "0xDEADBEEF",
"timestamp": "2024-08-07T18:54:57",
"content": "Older class AMD GPUs with DX10 class hardware can only execute loop with 32 bit counter and don’t have actual jump, only rigid loop and if/else constructs in shader instruction set.So when used for GPG... | 1,760,371,830.292842 | ||
https://hackaday.com/2024/08/07/on-carbon-fiber-types-and-their-carcinogenic-risks/ | On Carbon Fiber Types And Their Carcinogenic Risks | Maya Posch | [
"Hackaday Columns",
"Science"
] | [
"carbon fiber",
"carcinogen",
"toxicity"
] | Initially only seeing brief popular use as the filament in incandescent lighting, carbon fibers (CF) experienced a resurgence during the 20th century as part of composite materials that are lighter and stronger than materials like steel and aluminium, for use in aircraft, boats and countless more applications. This ris... | 13 | 8 | [
{
"comment_id": "6813525",
"author": "Anonymous",
"timestamp": "2024-08-07T18:57:52",
"content": "Anything fun usually harms you in some way. I will gladly throw away my body to be able to make things out of interesting materials. Therefore, this is a non-issue. Bring back asbestos, lead, and hexava... | 1,760,371,830.210229 | ||
https://hackaday.com/2024/08/07/an-esp-makes-a-bicycle-odometer/ | An ESP Makes A Bicycle Odometer | Jenny List | [
"Microcontrollers"
] | [
"cycling",
"ESP8266",
"speedometer"
] | If you’d like to measure the speed of your cycling then it’s easy enough to buy a cycle computer, but as [Clovis Fritzen] has done
it’s also an option to build one
. The result of his work is a smart PCB on which the speed is indicated with a row of LEDs.
The sensor is a straightforward affair, a reed switch with a mag... | 4 | 3 | [
{
"comment_id": "6805705",
"author": "Gösta",
"timestamp": "2024-08-07T16:14:37",
"content": "Build your own bicycle odometer, practical and not too difficult to start with, great idea :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6806608",
"author": ... | 1,760,371,830.334419 | ||
https://hackaday.com/2024/08/07/i2c-for-hackers-the-basics/ | I2C For Hackers: The Basics | Arya Voronova | [
"Featured",
"News",
"Original Art",
"Skills",
"Slider"
] | [] | You only really need two data wires to transfer a ton of data. Standards like UART, USB2, I2C, SPI, PS/2, CAN, RS232, SWD (an interface to program MCUs), RS485, DMX, and many others, all are a testament to that. In particular, I2C is such a powerful standard, it’s nigh omnipresent – if you were to somehow develop an al... | 51 | 17 | [
{
"comment_id": "6801332",
"author": "Zoe",
"timestamp": "2024-08-07T14:23:19",
"content": "Advanced i2c might be more interesting, pitfalls/timeouts/errata/clock stretching.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6805585",
"author": "brad",
... | 1,760,371,830.437532 | ||
https://hackaday.com/2024/08/07/obscure-sci-fi-robots/ | Obscure Sci Fi Robots | Al Williams | [
"Robots Hacks"
] | [
"movies",
"science fiction"
] | Even if you don’t like to build replicas of movie robots, you can often draw inspiration from cinema. Everyone knows Robby the Robot, Gort, and R2D2. But [Atomic Snack Bar] treats us to some
lesser-known robots from movies
in the 1930s, 40s, and 50s. While we are pretty up on movies, we have to admit that the video, wh... | 38 | 19 | [
{
"comment_id": "6793139",
"author": "hammarbytp",
"timestamp": "2024-08-07T11:16:34",
"content": "A bit outside the time frame, but you couldn’t beat Dewey and Heuy from Silent Running",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6794893",
"author... | 1,760,371,830.523815 | ||
https://hackaday.com/2024/08/07/kali-cyberdeck-looks-the-business/ | Kali Cyberdeck Looks The Business | Dan Maloney | [
"Cyberdecks"
] | [
"cyberdeck",
"cyberpunk",
"kali linux",
"NVMe",
"Pi 5",
"ssd"
] | Even though we somewhat uncharacteristically don’t have a cyberdeck contest currently underway, there’s never a bad time to get your [Gibson] on. That’s especially true when fate hands you an enclosure as perfect as the one that inspired
this very compact Kali Linux cyberdeck
.
Now, that’s not to say that we don’t love... | 17 | 5 | [
{
"comment_id": "6787645",
"author": "Popko",
"timestamp": "2024-08-07T09:28:02",
"content": "we need hacker cyber deck.normal keyboard, ethernet, long working time and …. normal unix system",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6788686",
"a... | 1,760,371,831.017407 | ||
https://hackaday.com/2024/08/06/tiny-trackpad-fits-on-ergonomic-keyboard/ | Tiny Trackpad Fits On Ergonomic Keyboard | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"ergonomic",
"i2c",
"keyboard",
"mouse",
"Pogo pin",
"split keyboard",
"trackpad",
"trrs",
"zsa voyager"
] | Cats are notorious for interrupting workflow. Whether it’s in the kitchen, the garden, or the computer, any feline companion around has a way of getting into mischief in an oftentimes disruptive way. [Robin] has two cats, and while they like to sit on his desk, they have a tendency to interrupt his mouse movements whil... | 5 | 2 | [
{
"comment_id": "6783369",
"author": "w0lfwood",
"timestamp": "2024-08-07T07:05:56",
"content": "basically no split keyboard uses usb daisy chaining. serial, i2c or BLE are the only supported options in opinsource firmwares",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,371,830.727769 | ||
https://hackaday.com/2024/08/06/1000-picks-make-for-a-weird-guitar/ | 1000 Picks Make For A Weird Guitar | Navarre Bartz | [
"Musical Hacks"
] | [
"build",
"guitar",
"guitar pick",
"hurdy gurdy",
"musical instrument",
"string instrument"
] | String instruments have a long history in civilization, helping humans make more complex and beautiful music. We wonder what our forebears would think of this
guitar strummed with 1000 picks
?
[Mattias Krantz] wondered what the best number of picks was to play guitar and took the experiment to its illogical extreme. St... | 1 | 1 | [
{
"comment_id": "6810092",
"author": "genixia",
"timestamp": "2024-08-07T17:54:18",
"content": "Ha!Maybe you went to the wrong extreme?! Saturday night I tried to get one of the world’s top guitarists to give me his pick. When I asked, he gestured he only had one. I pleaded my case, suggesting t... | 1,760,371,830.680685 | ||
https://hackaday.com/2024/08/06/old-time-stereographs-get-new-photos/ | Old Time Stereographs Get New Photos | Al Williams | [
"digital cameras hacks"
] | [
"3D image",
"stereoscope"
] | In the late 1800s, the stereograph — sometimes incorrectly called a stereopticon — was a big craze. You’d view two side-by-side images through some lenses and see a three-dimensional image. This, of course, later would morph into View-Masters and, eventually, virtual reality headsets. But if you have an old stereograph... | 34 | 11 | [
{
"comment_id": "6783309",
"author": "Steven Clark",
"timestamp": "2024-08-06T23:18:05",
"content": "I guess I should someday post on my gizmo: Two EOS-M’s and adapted 28mm FDn lenses running MagicLantern with audio-triggering turned on and a button bridging the mic power contact for both to the out... | 1,760,371,830.798127 | ||
https://hackaday.com/2024/08/06/rc-car-gets-force-feedback-steering/ | RC Car Gets Force Feedback Steering | Bryan Cockfield | [
"car hacks"
] | [
"ESP-Now",
"ESP32",
"force feedback",
"load cell",
"R/C car",
"rc",
"remote controlled",
"steering"
] | Remote-controlled cars can get incredibly fast and complex (and expensive) the farther into the hobby you get. So much so that a lot of things that are missing from the experience of driving a real car start to make a meaningful impact. [Indeterminate Design] has a few cars like this which are so fast that it becomes d... | 8 | 1 | [
{
"comment_id": "6783287",
"author": "a_do_z",
"timestamp": "2024-08-06T22:02:37",
"content": "Cool.In my brief foray into the realm, I found myself to be practically worthless at racing an RC car. I just constantly overreacted. This might have made me passable as a driver (well, actually, based on ... | 1,760,371,830.841286 | ||
https://hackaday.com/2024/08/05/a-two-stroke-engine-made-from-scratch-using-basic-hardware-store-parts/ | A Two-Stroke Engine Made From Scratch Using Basic Hardware Store Parts | Maya Posch | [
"Engine Hacks"
] | [
"internal combustion engine",
"machining"
] | A working DIY two-stroke in all of its glory, with the flywheel removed. (Credit: Camden Bowen)
How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch?
This is a challenge that [Camden Bowen] gladly set for himself
, while foregoing such obvious wastes of time like first doing an in... | 15 | 6 | [
{
"comment_id": "6783041",
"author": "Joseph Eoff",
"timestamp": "2024-08-05T21:15:29",
"content": "Making your own engine has been a thing for far longer than that.Ford built his first engine out of scrap, and connected it to a light bulb socket to make the spark. That was in 1893.https://www.theh... | 1,760,371,831.078683 | ||
https://hackaday.com/2024/08/05/asteroids-kessler-syndrome-edition/ | Asteroids: Kessler Syndrome Edition | Bryan Cockfield | [
"Games"
] | [
"arcade",
"Asteroids",
"cabinet",
"debirs",
"Kessler syndrome",
"Mass Effect",
"programming",
"repulsor",
"scientific accuracy",
"space junk"
] | Asteroids
, the late-70s arcade hit, was an immensely popular game. Often those with the simplest premise, while maintaining a fun, lighthearted gameplay have the most cultural impact and longest legacy. But, although it was popular, it doesn’t really meet the high bar of scientific fidelity that some gamers are lookin... | 6 | 1 | [
{
"comment_id": "6783026",
"author": "Hirudinea",
"timestamp": "2024-08-05T19:19:27",
"content": "Neat, but it needs a gravity well like Spacewar, that way you can have a chance to win the game.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6783039",
... | 1,760,371,831.125512 | ||
https://hackaday.com/2024/08/05/embedded-python-micropython-toolkits/ | Embedded Python: MicroPython Toolkits | Arya Voronova | [
"Hackaday Columns",
"how-to",
"Slider"
] | [
"micropython",
"tutorial"
] | Last time, I talked about how
MicroPython is powerful
and deserving of a place in your toolkit, and it made for a lively discussion. I’m glad to see that overall, MicroPython has indeed been getting the recognition it deserves – I’ve built a large number of wonderful projects with it, and so have people I’ve shown it t... | 22 | 11 | [
{
"comment_id": "6782996",
"author": "Anon python user",
"timestamp": "2024-08-05T17:20:31",
"content": "I use pycopy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6783000",
"author": "rclark",
"timestamp": "2024-08-05T17:36:37",
"content": "I ju... | 1,760,371,831.190872 | ||
https://hackaday.com/2024/08/05/serve-your-next-website-with-quickbasic/ | Serve Your Next Website With QuickBasic | Al Williams | [
"Retrocomputing"
] | [
"quickbasic"
] | You can only imagine that when they made Star Trek back in the 1960s, they would have laughed if anyone suggested they’d still be making the show nearly six decades later. If you told [John Kemeny] at Dartmouth back in 1964 that people would be serving websites in Basic in the year 2024, he’d probably be amazed after y... | 7 | 5 | [
{
"comment_id": "6782988",
"author": "Johannes Burgel",
"timestamp": "2024-08-05T16:57:16",
"content": "I wonder how much work it would have been to get QB64 working as a CGI interpreter. Not sure why so many reimplementations of a HTTP server are necessary.",
"parent_id": null,
"depth": 1,
... | 1,760,371,831.781507 | ||
https://hackaday.com/2024/08/05/radio-apocalypse-hfgcs-the-backup-plan-for-doomsday/ | Radio Apocalypse: HFGCS, The Backup Plan For Doomsday | Dan Maloney | [
"Featured",
"Interest",
"News",
"Original Art",
"Slider"
] | [] | To the extent that you have an opinion on something like high-frequency (HF) radio, you probably associate it with amateur radio operators, hunched over their gear late at night as they try to make contact with a random stranger across the globe to talk about the fact that they’re both doing the same thing at the same ... | 16 | 9 | [
{
"comment_id": "6782952",
"author": "clancydaenlightened",
"timestamp": "2024-08-05T14:30:23",
"content": "There are situations where even the backup failsSo then it’s either get shot or turnkeyshttps://youtu.be/5bF1_PGMAj0?si=H8LAp-V_vshmdDw2",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,371,831.26507 | ||
https://hackaday.com/2024/08/05/proof-that-find-mkdir-are-turing-complete/ | Proof Thatfind+mkdirAre Turing-Complete | Donald Papp | [
"Software Hacks"
] | [
"gnu",
"Tag System",
"turing complete"
] | Data manipulation is at the heart of computation, and a system is said to be Turing-complete if it can be configured to manipulate data in a way that makes implementing arbitrary computation possible. [Keigo Oka]
shared a proof
that
find
and
mkdir
together are Turing-complete, which is to say, a system with only GNU’s
... | 10 | 8 | [
{
"comment_id": "6782905",
"author": "NFM",
"timestamp": "2024-08-05T11:21:36",
"content": "But will it run Doom?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6782906",
"author": "Weasel",
"timestamp": "2024-08-05T11:25:21",
"content": "So … how ... | 1,760,371,831.320249 | ||
https://hackaday.com/2024/08/05/at-last-chumby-is-ready/ | At Last, Chumby Is Ready | Matthew Carlson | [
"Linux Hacks",
"Retrocomputing"
] | [
"chumby",
"devicetree",
"linux"
] | It has been two years, but the slow and steady progress that [Doug Brown] has been making towards bringing a modern Linux kernel to the Chumby has approached the point that it could be called done. In
his final blog post of the series,
[Doug] walks through the highs and lows of the whole process.
Many of the changes [D... | 14 | 10 | [
{
"comment_id": "6782923",
"author": "RunnerPack",
"timestamp": "2024-08-05T12:12:14",
"content": "Whatever it is, it should have an LCARS interface.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6783103",
"author": "Handymanjam",
"timestamp... | 1,760,371,831.442245 | ||
https://hackaday.com/2024/08/06/tickets-for-supercon-2024-go-on-sale-now/ | Tickets For Supercon 2024 Go On Sale Now! | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2024 Hackaday Supercon",
"2024 Hackaday Superconference",
"Supercon 2024"
] | Tickets for the 2024 Hackaday Supercon are on sale now
! Go and get yours while they’re still hot. True-Believer Tickets are half-price at $148 (plus fees), and when that pile of 100 is gone, regular admission is $296 (plus fees).
Come join us on November 1st-3rd in sunny Pasadena, CA, for three days of talks, demos, b... | 10 | 4 | [
{
"comment_id": "6783282",
"author": "g2-c133535210f76855393e13f95c9684ee",
"timestamp": "2024-08-06T21:40:40",
"content": "Does anybody know when the full price tickets go on sale, or are all the tickets gone now? I can only see the cheap tickets and they’re sold out",
"parent_id": null,
"d... | 1,760,371,831.391498 | ||
https://hackaday.com/2024/08/06/benchy-in-a-bottle/ | Benchy In A Bottle | Matthew Carlson | [
"3d Printer hacks"
] | [
"3d printer",
"Benchy",
"resin"
] | Making something enjoyable often requires a clever trick. It could be a way to cut something funny or abuse some peripheral in a way it was never designed for. Especially good tricks have a funny way of coming up again and again. [DERAILED3D] put a 3d printed benchy in a bottle with one of the best tricks 3d printing h... | 21 | 11 | [
{
"comment_id": "6783210",
"author": "Harvie.CZ",
"timestamp": "2024-08-06T15:42:35",
"content": "Just print benchy using flexible filament and then squish it in using some piston that roughly resembles tampon applicator (or bottle corking press).",
"parent_id": null,
"depth": 1,
"replie... | 1,760,371,831.557065 | ||
https://hackaday.com/2024/08/06/hack-on-self-sense-of-time/ | Hack On Self: Sense Of Time | Arya Voronova | [
"Featured",
"Interest",
"News",
"Slider",
"Wearable Hacks"
] | [
"ADHD",
"sense of time",
"watch",
"wearable"
] | Every now and then, a commercial product aims to help you in your life journey, in a novel way, making your life better through its presence. Over the years, I’ve been disappointed by such products far more often than I have been reassured, seeing each one of them rendered unimaginative and purposeless sometimes even d... | 49 | 20 | [
{
"comment_id": "6783202",
"author": "Student",
"timestamp": "2024-08-06T14:58:27",
"content": "Vibrating metronome watches are also good for this off the shelf – As hardware anyway, the nice cheap Soundbrenner Pulse has terrible software + will benefit from reverse engineering",
"parent_id": nu... | 1,760,371,831.739124 |
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