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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/03/03/ages-of-renewable-energy-storage/ | AGES Of Renewable Energy Storage | Navarre Bartz | [
"green hacks"
] | [
"energy storage",
"geothermal",
"geothermal energy",
"oil well",
"renewable energy",
"repurposing"
] | As society transitions toward renewable energy sources, energy storage inevitably comes to mind. Researchers at the University of Illinois at Urbana-Champaign have found one way to store renewable energy that
re-purposes existing fossil fuel infrastructure
.
While geothermal electricity generation shows a lot of promis... | 26 | 8 | [
{
"comment_id": "6608995",
"author": "Paul",
"timestamp": "2023-03-03T17:12:48",
"content": "They state they can recover 82% of the stored heat. OK. Not implausible.The storage temperature is 250C.They then state “and a[sic] electricity generation efficiency of 73% can be achieved.” OK. Not pla... | 1,760,372,380.774733 | ||
https://hackaday.com/2023/03/03/this-week-in-security-openemr-bing-chat-and-alien-kills-pixels/ | This Week In Security: OpenEMR, Bing Chat, And Alien Kills Pixels | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"chat",
"lastpass",
"OpenEMR",
"This Week in Security"
] | Researchers at Sonar
took a crack at OpenEMR
, the Open Source Electronic Medical Record solution, and they found problems. Tthe first one is a classic: the installer doesn’t get removed by default, and an attacker can potentially access it. And while this isn’t quite as bad as an exposed WordPress installer, there’s a... | 8 | 2 | [
{
"comment_id": "6608959",
"author": "BT",
"timestamp": "2023-03-03T15:46:34",
"content": "“…but this one mixes things up a bit by dropping a Rust executable…”Why does anything written in Rust always have to say so? If it was written in C it wouldn’t say “…but this one mixes things up a bit by dropp... | 1,760,372,380.310406 | ||
https://hackaday.com/2023/03/03/a-close-look-at-how-flip-dot-displays-really-work/ | A Close Look At How Flip-Dot Displays Really Work | Chris Lott | [
"classic hacks",
"Teardown"
] | [
"electromagnet driving waveforms",
"flip dot display",
"flip dots",
"Flip-disc display",
"flip-dot",
"WD6208"
] | [Mike Harrison] has an upcoming project which will combine a large number of flip-dot displays salvaged from buses. [Mike] thought he knew how these things worked, and had a prototype PCB made right away. But while the PCB was being manufactured, he started
digging deeper into the flip-dot’s flipping mechanism
.
As he ... | 19 | 6 | [
{
"comment_id": "6608891",
"author": "Max S.",
"timestamp": "2023-03-03T13:20:37",
"content": "I always wondered if you could make each of the flip-dots like an addressable LED using a driver chip: WS2811 IC led Pixel node Module (as found on aliexpress). So perhaps the Red channel would flip the... | 1,760,372,380.592539 | ||
https://hackaday.com/2023/03/03/missing-finger-gets-a-simple-yet-fancy-replacement/ | Missing Finger Gets A Simple Yet Fancy Replacement | Arya Voronova | [
"Medical Hacks"
] | [
"3d printed prosthetic",
"finger",
"Prosthesis",
"prosthetic",
"prosthetics",
"thumb"
] | The possibility of a table saw accident is low, but never zero — and [Nerdforge] has lost a finger to this ever-useful but dangerous contraption. For a right-handed person, losing the left hand pinky might not sound like much, but the incident involved some nerve damage as well, making inaccessible a range of everyday ... | 27 | 11 | [
{
"comment_id": "6608814",
"author": "Reluctant Cannibal",
"timestamp": "2023-03-03T09:43:55",
"content": "It’s almost worth cutting off a finger to try it out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6608830",
"author": "WereCatf",
"t... | 1,760,372,380.377314 | ||
https://hackaday.com/2023/02/28/arc-overhangs-in-prusaslicer-are-a-simple-script-away/ | Arc Overhangs In PrusaSlicer Are A Simple Script Away | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"arc overhangs",
"overhangs"
] | Interested in the new hotness of printing previously-impossible overhangs? You can now
integrate Arc Overhangs into PrusaSlicer
and give it a shot for yourself. Arc overhangs is a method of laying filament into a pattern of blossoming concentric rings instead of stringing filament bridges over empty space (or over supp... | 21 | 6 | [
{
"comment_id": "6607621",
"author": "Anders J",
"timestamp": "2023-03-01T04:05:48",
"content": "A suggestion is to after have the arch done, make next layer in another direction, like straight over or diagonally over the arch layer. Might help?",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,380.709157 | ||
https://hackaday.com/2023/02/28/trying-and-failing-to-restore-a-1970s-cdc-10mb-hard-drive/ | Trying (and Failing) To Restore A 1970s CDC 10MB Hard Drive | Maya Posch | [
"Retrocomputing"
] | [
"cdc",
"centurion",
"hard disk"
] | One fun aspect of 1970s-era hard disk drives is that they are big, clunky and are fairly easy to repair without the need for a clean room. A less fun aspect is that they are 1970s-era HDDs and thus old and often broken. While repairing a CDC 10 MB HDD for the upcoming VCF East event, the folks over at [Usagi Electric],... | 34 | 18 | [
{
"comment_id": "6607543",
"author": "Rocky",
"timestamp": "2023-03-01T00:36:08",
"content": "I and a friend did restore a couple of DGC Diablo disks a long time ago together with a Nova 4 plus a couple of boards with core-memory. We had extreme problems with the first disk, it failed to read/write ... | 1,760,372,380.851311 | ||
https://hackaday.com/2023/02/28/cat-feeder-depends-on-rfid-to-keep-the-peace-at-dinnertime/ | Cat Feeder Depends On RFID To Keep The Peace At Dinnertime | Dan Maloney | [
"home hacks"
] | [
"antenna",
"cats",
"coil",
"feeder",
"interrogate",
"pets",
"rfid"
] | Anyone with more than one cat can tell you that the
joy
mischief they bring into your life is much more than twice that of a single cat. And if those felines have different dietary needs, you can end up where [Benjamin Krejci] found himself, which resulted in
this fancy RFID cat feeder
.
For a little backstory, [Ben]’s... | 10 | 6 | [
{
"comment_id": "6607450",
"author": "Juan M. Casillas",
"timestamp": "2023-02-28T21:05:37",
"content": "Nice project. Thanks for sharing the long range RFID module!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6607467",
"author": "dlcarrier",
"times... | 1,760,372,380.477081 | ||
https://hackaday.com/2023/02/28/when-one-cylinder-isnt-enough-the-briggs-and-stratton-v8/ | When One Cylinder Isn’t Enough: The Briggs And Stratton V8 | Jenny List | [
"Transportation Hacks"
] | [
"Briggs and Stratton",
"sidevalve",
"v8"
] | The Briggs & Stratton single cylinder sidevalve engine is one that has been in production in one form or another for over a century, and which remains one of the simplest, most reliable, and easiest to maintain internal combustion engines there is. The little single-cylinder can be found on lawnmowers and other similar... | 13 | 10 | [
{
"comment_id": "6607441",
"author": "bob",
"timestamp": "2023-02-28T20:43:17",
"content": "it’s a pity he couldn’t have got away with a single cam in the v, but i guess since the stroke was so short there wasn’t enough room.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,372,380.647082 | ||
https://hackaday.com/2023/02/28/supercon-2022-selling-your-company-and-not-your-soul/ | Supercon 2022: Selling Your Company And Not Your Soul | Matthew Carlson | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2022 Hackaday Supercon",
"dexter",
"discussion",
"Hackaday Prize",
"haddington dynamics"
] | Haddington Dynamics is a particular company. After
winning the 2018 Hackaday Prize with an open-source robotic arm,
we’ve covered their
micro-factories
and
suction cup end-effectors
for making face shields during 2020. They’ve been laser-focused on their mission of creating a fantastic robot arm at a small price tag wi... | 11 | 5 | [
{
"comment_id": "6607342",
"author": "jpa",
"timestamp": "2023-02-28T18:54:08",
"content": "Here you go:https://github.com/HaddingtonDynamics/Dexter/wiki/Encoders",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6607360",
"author": "one",
"time... | 1,760,372,380.429475 | ||
https://hackaday.com/2023/02/28/challenging-the-limits-of-3d-printing-with-cymbals/ | Challenging The Limits Of 3D Printing With Cymbals | Navarre Bartz | [
"Musical Hacks"
] | [
"3d printed musical instruments",
"cymbals",
"musical instruments"
] | We’re big believers in 3D printing here at Hackaday, but it’s important to recognize that there are plenty of applications where additive manufacturing (at least, from a desktop machine) just isn’t suitable. But that doesn’t mean we don’t want to see what happens if you try. For example, [The Drum Thing] wanted to test... | 22 | 9 | [
{
"comment_id": "6607264",
"author": "Stephen Bridges",
"timestamp": "2023-02-28T16:43:40",
"content": "Could these be improved by electroplating them?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6607417",
"author": "Aaron Leclair",
"times... | 1,760,372,380.530432 | ||
https://hackaday.com/2023/02/28/repurposing-old-smartphones-when-reusing-makes-more-sense-than-recycling/ | Repurposing Old Smartphones: When Reusing Makes More Sense Than Recycling | Maya Posch | [
"Cellphone Hacks",
"Current Events",
"Featured",
"green hacks",
"Interest",
"Original Art",
"Slider"
] | [
"e-waste",
"recycling",
"upcycling"
] | When looking at the specifications of smartphones that have been released over the past years, it’s remarkable to see how aspects like CPU cores, clockspeeds and GPU performance have improved during this time, with even new budget smartphones offering a lot of computing power, as well as a smattering of sensors. Perhap... | 89 | 38 | [
{
"comment_id": "6607170",
"author": "Arthur Wolf",
"timestamp": "2023-02-28T15:05:57",
"content": "One of the reasons we added an Ethernet port to Smoothieboard and developped web-based control interfaces for lasers, CNC and 3D printers, is so that users can re-use old smartphones and tablets as th... | 1,760,372,381.241648 | ||
https://hackaday.com/2023/03/02/scsi-the-disk-bus-for-everything/ | SCSI: The Disk Bus For Everything | Al Williams | [
"Retrocomputing"
] | [
"retrocomputing",
"scsi"
] | Early home PCs usually had a floppy disk and a simple hard drive controller. Later, IDE hard drives became the defacto standard. Of course, these days, you are more likely to find some version of SATA and — lately — NVME connectors. But a standard predating all of this was very common in high-end systems: SCSI. [RetroB... | 72 | 22 | [
{
"comment_id": "6608744",
"author": "A",
"timestamp": "2023-03-03T06:34:50",
"content": "The articles main picture shows an IDE connector, not an SCSI connector",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6608745",
"author": "Al Williams",
... | 1,760,372,381.013828 | ||
https://hackaday.com/2023/03/02/norm-abram-is-back-and-thanks-to-ai-now-in-hd/ | Norm Abram Is Back, And Thanks To AI, Now In HD | Tom Nardi | [
"Artificial Intelligence",
"Video Hacks"
] | [
"AI upscale",
"artificial intelligence",
"enhanced",
"Norm Abram",
"pbs",
"woodworking"
] | We’ve said many times that while woodworking is a bit outside our wheelhouse, we have immense respect for those with the skill and patience to turn dead trees into practical objects. Among such artisans, few are better known than the legendary Norm Abram — host of
The New Yankee Workshop
from 1989 to 2009 on PBS.
So we... | 53 | 13 | [
{
"comment_id": "6608684",
"author": "gregg4",
"timestamp": "2023-03-03T03:07:14",
"content": "Every time Norm brought the host of This Old House over to the Workshop for a very special woodworking item that a new job needed, the host would get the “batman’s cave” treatment. And even though the work... | 1,760,372,381.651102 | ||
https://hackaday.com/2023/03/02/a-mega-tiny-arduino/ | A Mega-Tiny Arduino | Bryan Cockfield | [
"Arduino Hacks"
] | [
"32u4",
"arduino",
"atmega",
"Atmel",
"minimalist",
"small",
"USB C"
] | Integrated circuits, chipsets, memory modules, and all kinds of other transistor-based technology continues to get smaller, cheaper, and more energy efficient as time moves on. Not only are the components themselves smaller, but their supporting infrastructure is as well. Computers like the Raspberry Pi are about the s... | 26 | 9 | [
{
"comment_id": "6608627",
"author": "Shirley Marquez",
"timestamp": "2023-03-03T00:25:08",
"content": "It’s cute. Not breadboard-friendly though, since the spacing of the crenellated pins is 1.27mm (aka 0.05 in). That aside, it looks like a decent option if you’re staying with the ATMega rather tha... | 1,760,372,381.530741 | ||
https://hackaday.com/2023/03/02/never-walk-uphill-again-with-this-motorized-sled/ | Never Walk Uphill Again With This Motorized Sled | Robin Kearey | [
"Transportation Hacks"
] | [
"dc motor",
"sled",
"snowmobile",
"winter hacks"
] | If you grew up in a snowy climate, chances are you’ve ridden a sled or toboggan when you were young. The downhill part of sledding is great fun, but dragging the thing back up gets boring quickly. [Luis Marx] had been dreaming of sledding uphill since he was a child, and decided to make his dream come true by building ... | 11 | 6 | [
{
"comment_id": "6608577",
"author": "Ostracus",
"timestamp": "2023-03-02T21:14:38",
"content": "Handy for those going both ways.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6608585",
"author": "Dude",
"timestamp": "2023-03-02T21:38:13",
"conten... | 1,760,372,381.464566 | ||
https://hackaday.com/2023/03/02/attiny85-automates-your-smartphone/ | ATtiny85 Automates Your Smartphone | Arya Voronova | [
"ATtiny Hacks",
"Phone Hacks"
] | [
"attiny85",
"smartphone hacking",
"tiny85",
"VUSB"
] | It might not seem too impressive these days, but when microcontrollers with hardware USB support were more expensive and rare, the VUSB library was often used to create USB devices with an ATtiny85. It became so popular that the ATtiny85 even got packaged into USB dongle formfactors, like the DigiSpark boards. Well, yo... | 14 | 9 | [
{
"comment_id": "6608573",
"author": "then",
"timestamp": "2023-03-02T21:04:51",
"content": "this is so amazing, it even works on ios without a hitch, beware where you plug your phone into ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6608581",
"author... | 1,760,372,381.412433 | ||
https://hackaday.com/2023/03/02/hacker-hotel-2023-back-again/ | Hacker Hotel 2023: Back Again! | Jenny List | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"hacker camp",
"Hacker Hotel",
"Netherlands"
] | After three years, it’s odd to think back to those few weeks before the COVID-19 pandemic morphed from something on the news into an immediate and ever-present threat which kept us isolating for so long. For me, some of the last moments of normality were a trip to the Netherlands for Hacker Hotel, a hacker event in the... | 13 | 5 | [
{
"comment_id": "6608529",
"author": "Robert Tait",
"timestamp": "2023-03-02T19:04:11",
"content": "Not to be confused with the Maker Hotel in Shenzhen China!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6608530",
"author": "Jeremy",
"timestamp": "20... | 1,760,372,381.310076 | ||
https://hackaday.com/2023/03/02/a-look-inside-bicycle-gearboxes/ | A Look Inside Bicycle Gearboxes | Navarre Bartz | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"derailleur",
"gearbox",
"Honda"
] | While bicycle gearboxes date back to at least the 1920s, they’re relatively unseen in bike racing. One exception is Honda’s race-winning mid-drive gearboxes, and [Alee Denham] gives us a look at
what makes these unique drives tick
.
Honda has developed three generations of bicycle gearbox as part of their company’s R&D... | 23 | 6 | [
{
"comment_id": "6608483",
"author": "smellsofbikes",
"timestamp": "2023-03-02T16:43:43",
"content": "Honda’s entries were all in pure downhill racing, where bike weight doesn’t matter and pedaling efficiency almost doesn’t matter as you’re only pedaling for maybe 5-10% of the race.There are a fair ... | 1,760,372,381.787049 | ||
https://hackaday.com/2023/03/02/how-hard-could-it-be-to-get-millions-of-phone-bills-right/ | How Hard Could It Be To Get Millions Of Phone Bills Right? | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Slider"
] | [] | It may be a foreign concept to anyone who has never paid a dime for a phone call over and above the monthly service charge, but phone calls were once very, VERY expensive — especially long-distance calls, which the phone company ungenerously defined as anything more than a few towns away. Woe betide the 70s teen trying... | 46 | 18 | [
{
"comment_id": "6608442",
"author": "Antron Argaiv",
"timestamp": "2023-03-02T15:06:20",
"content": "Surprising they did not use the same punch technology that Teletype (a division of Western Electric) used to punch their tapes. The requirement for delicate handling seems to be a major drawback.",
... | 1,760,372,381.882062 | ||
https://hackaday.com/2023/03/02/security-vulnerabilities-in-modern-cars-somehow-not-surprising/ | Security Vulnerabilities In Modern Cars Somehow Not Surprising | Bryan Cockfield | [
"Security Hacks"
] | [
"attack",
"ble",
"gattacker",
"key",
"security",
"tesla",
"unlock",
"vehicle",
"wireless"
] | As the saying goes, there’s no lock that can’t be picked, much like there’s no networked computer that can’t be accessed. It’s usually a continual arms race between attackers and defenders — but for some modern passenger vehicles, which are essentially highly mobile computers now, the defenders seem to be asleep at the... | 16 | 7 | [
{
"comment_id": "6608419",
"author": "Alphatek",
"timestamp": "2023-03-02T14:06:43",
"content": "Given that it’s pretty easy to prevent this sort of attack at the protocol level (obviously you’ll never prevent analogue relay as used by current car thieves), it’s pretty appalling how poor so many sof... | 1,760,372,381.936976 | ||
https://hackaday.com/2023/03/02/a-ch32v003-toolchain-if-you-can-get-one-to-try-it-on/ | A CH32V003 Toolchain — If You Can Get One To Try It On | Jenny List | [
"Microcontrollers"
] | [
"CH32V003",
"microcontroller",
"toolchain",
"WCH"
] | We’re in an exciting time for cheap microcontrollers, as with both the rise of RISC-V and the split between ARM and its Chinese subsidiary, a heap of super-cheap and very capable parts are coming to market. Sometimes these cheap chips come with the catch of being difficult to program though, but for one of them the eve... | 40 | 18 | [
{
"comment_id": "6608327",
"author": "JAVIER",
"timestamp": "2023-03-02T10:05:06",
"content": "Arduino support for puya py32 would be awesome",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6626354",
"author": "Fulgencio de Nergiza",
"timestam... | 1,760,372,381.727548 | ||
https://hackaday.com/2023/03/01/making-ghidra-play-nice-with-rp2040/ | Making Ghidra Play Nice With RP2040 | Arya Voronova | [
"Raspberry Pi",
"Reverse Engineering"
] | [
"Ghidra",
"rp2040",
"SVD file"
] | Developing firmware for RP2040 is undeniably fun, what’s with all these PIOs. However, sometimes you will want to switch it around and reverse-engineer some RP2040 firmware instead. If you’ve ever tried using Ghidra for that, your experience might have been seriously lackluster due to the decompiled output not making s... | 1 | 1 | [
{
"comment_id": "6608464",
"author": "Wejn",
"timestamp": "2023-03-02T16:09:45",
"content": "FTR: Maybe don’t apply the patches (which is a link to a diff against base), but `git clone` thehttps://github.com/wejn/SVD-Loader-Ghidra-RP2040.The link to a diff is useful (to see what was changed)… but it... | 1,760,372,381.972289 | ||
https://hackaday.com/2023/03/01/what-happened-to-swedens-slot-car-ev-road/ | What Happened To Sweden’s Slot Car EV Road? | Navarre Bartz | [
"car hacks",
"green hacks",
"Transportation Hacks"
] | [
"car",
"conductive charging",
"conductive rail",
"conductor",
"ehighway",
"electric highway",
"electric highways",
"electric truck",
"electric trucks",
"pantograph",
"transport",
"truck",
"trucks"
] | Many EVs can charge 80% of their battery in a matter of minutes, but for some applications range anxiety and charge time are still a concern. One possible solution is an embedded electrical rail in the road like the [
eRoadArlanda
] that Sweden unveiled in 2016.
Overhead electrical wires like those used in trolleys hav... | 60 | 20 | [
{
"comment_id": "6608201",
"author": "SayWhat?",
"timestamp": "2023-03-02T03:50:36",
"content": "Hello fond memories of 1965 at my favorite slot car track.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6608209",
"author": "fatbikr",
"timestamp": "2023... | 1,760,372,382.068605 | ||
https://hackaday.com/2023/03/01/the-tale-of-two-broken-flukes/ | The Tale Of Two Broken Flukes | Arya Voronova | [
"Repair Hacks",
"Tool Hacks"
] | [
"epoxy",
"fluke",
"fluke meter",
"test equipment"
] | Some repairs happen as if by pure luck, and [Sebastian]
shows us one such repair
on Hackaday.io. He found two Fluke 175 meters being sold on eBay, with one having a mere beeper issue, and another having a “strange error”. Now, theoretically, swapping beepers around would give you one working meter and a kit of spare pa... | 11 | 4 | [
{
"comment_id": "6608169",
"author": "Dj Biohazard",
"timestamp": "2023-03-02T02:06:16",
"content": "Might have to repair a couple more… to make sure it wasn’t just a Fluke.I’ll see myself out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6608170",
... | 1,760,372,382.117168 | ||
https://hackaday.com/2023/03/01/self-destructing-usb-drive-releases-the-magic-smoke/ | Self-Destructing USB Drive Releases The Magic Smoke | Tom Nardi | [
"Security Hacks",
"Tech Hacks"
] | [
"access control",
"flash drive",
"Ovrdrive",
"usb flash",
"voltage doubler"
] | There were some that doubted the day would ever come, but we’re happy to report that the ambitious self-destructing USB drive that security researcher [Walker] has been working on for the last 6+ months
has finally stopped working
. Which in this case, is a good thing.
Readers may recall that the goal of the Ovrdrive p... | 52 | 18 | [
{
"comment_id": "6608044",
"author": "Dude",
"timestamp": "2023-03-01T21:11:33",
"content": "How about looping some kanthal wire over the flash chip and just physically burning it? Once the wire melts through the casing and starts to carbonize the plastic, it should be very difficult to operate the ... | 1,760,372,382.314285 | ||
https://hackaday.com/2023/02/28/collection-of-old-films-rescued-for-preservation/ | Collection Of Old Films Rescued For Preservation | Chris Lott | [
"classic hacks",
"digital cameras hacks"
] | [
"16mm film",
"35mm film",
"film preservation",
"film scanning"
] | Periscope Film
owners [Doug] and [Nick]
just released a mini-documentary
about the rescue of a large collection of old
35 and
16 mm celluloid films from the landfill. The video shows the process of the films being collected from the donor and then being sorted and organized in a temporary storage warehouse. There is a ... | 31 | 11 | [
{
"comment_id": "6607139",
"author": "Matt",
"timestamp": "2023-02-28T13:55:49",
"content": "I’ll never understand why people dump this kind of thing – is it really beyond the original owners to reach out and find somebody who may want them? The same of course applies to all of the other items that ... | 1,760,372,382.394512 | ||
https://hackaday.com/2023/02/28/move-over-steel-carbon-reinforced-concrete-is-here/ | Move Over Steel, Carbon-Reinforced Concrete Is Here | Jenny List | [
"Engineering"
] | [
"Carbon Fibre",
"concrete",
"TU Dresden"
] | Reinforced concrete is the miracle material which made possible so many of the twentieth century’s most iconic structures, but here in this century its environmental footprint makes it something of a concern. As part of addressing this problem, a team at TU Dresden in Germany have completed what is believed to be
the w... | 62 | 23 | [
{
"comment_id": "6607032",
"author": "martinimartin",
"timestamp": "2023-02-28T09:10:35",
"content": "And how well does carbon reinforced concrete recycle? Separating and reusing re-bar is not a problem.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6607063... | 1,760,372,382.627753 | ||
https://hackaday.com/2023/02/27/pokemon-rom-hacks-brought-to-the-real-world/ | Pokemon ROM Hacks Brought To The Real World | Bryan Cockfield | [
"Nintendo Hacks"
] | [
"cartridge",
"emerald",
"fire red",
"flash",
"flora sky",
"pokemon",
"rom",
"ROM hack",
"Vega"
] | If you were a kid anywhere in the last 30 years, it was nearly impossible to avoid at least some exposure to the Pokemon franchise. Whether that’s through games like Red and Blue to Scarlet and Violet, the brief summer everyone played Pokemon Go, or to other media such as the trading card game or anime, it seems to hav... | 4 | 4 | [
{
"comment_id": "6606952",
"author": "nidoking",
"timestamp": "2023-02-28T06:06:14",
"content": "I had recently been wondering how one would create a working flash card… I remember when I first found this site as a dorky little kid I was amazed by the people who’d do things like get a floppy drive w... | 1,760,372,382.945511 | ||
https://hackaday.com/2023/02/27/morphos-a-modern-operating-system-for-powerpc/ | MorphOS: A Modern Operating System For PowerPC | Maya Posch | [
"Mac Hacks",
"Retrocomputing"
] | [
"MorphOS",
"powerpc"
] | When it comes to modern operating systems for PowerPC-based systems like pre-Intel Macs, or other PowerPC-based systems like older or newer AmigaOS-compatible systems, there is an increasing lack of options. For 32-bit PPC, official Linux support has been dropped already, leaving only unofficial builds and of course Am... | 29 | 14 | [
{
"comment_id": "6606879",
"author": "Ostracus",
"timestamp": "2023-02-28T03:58:09",
"content": "Someone must be reading my mind. Anyway it’s nice to see all the attention paid to alternative OS. Something to learn from.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,372,382.480645 | ||
https://hackaday.com/2023/02/27/antenna-hidden-in-holiday-lights-skirts-hoa-rules/ | Antenna Hidden In Holiday Lights Skirts HOA Rules | Bryan Cockfield | [
"home hacks",
"Radio Hacks"
] | [
"antenna",
"christmas",
"disguise",
"ham",
"HF",
"high frequency",
"HOA",
"holiday",
"homeowner's association",
"lights",
"radio"
] | For all their supposed benefits, homeowner’s associations (HOAs) have a reputation of quickly turning otherwise quaint neighborhoods into a sort of Stanford prison experiment, as those who get even the slightest amount of power often abuse it. Arbitrary rules and enforcement abound about house color, landscaping, parki... | 90 | 32 | [
{
"comment_id": "6606755",
"author": "dr. cryogen",
"timestamp": "2023-02-28T00:41:05",
"content": "Sir, I applaud you! I have the misfortune to be the president of our HOA, and I absolutely loathe rule enforcement. This outside the box thinking is excellent and would make it very, very hard to just... | 1,760,372,382.898994 | ||
https://hackaday.com/2023/02/27/watch-time-slide-by-with-this-electromechanical-clock/ | Watch Time Slide By With This Electromechanical Clock | Robin Kearey | [
"clock hacks"
] | [
"3D printed clock",
"electromechanical clock",
"rack and pinion",
"sliding"
] | Back in the 18th century, clockmakers were held in high esteem, as turning pieces of metal and wire into working timepieces must have seemed like magic at the time. The advent of mass production made their profession largely obsolete, but today there are several hardware hackers whom you could consider modern heirs of ... | 13 | 6 | [
{
"comment_id": "6606640",
"author": "jyg",
"timestamp": "2023-02-27T21:08:55",
"content": "beautiful",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6606682",
"author": "SayWhat?",
"timestamp": "2023-02-27T22:24:51",
"content": "My fa... | 1,760,372,382.687391 | ||
https://hackaday.com/2023/02/27/diy-stm32-scope-is-simple-cheap-and-featureful/ | DIY STM32 Scope Is Simple, Cheap, And Featureful | Arya Voronova | [
"hardware",
"Tool Hacks"
] | [
"Digital storage oscilloscope",
"diy oscilloscope",
"dso",
"oscilloscope",
"ST7735",
"stm32",
"STM32F4"
] | Would you like to have a small digital oscilloscope? Do you have a spare BlackPill (STM32F401) board and a TFT display laying around? [tvvlad1234] presents us with a simple and educational
digital storage oscilloscope design
that barely needs any components for you to build one, and it’s packed with features just like ... | 27 | 14 | [
{
"comment_id": "6606600",
"author": "Severe Tire Damage",
"timestamp": "2023-02-27T20:08:05",
"content": "Very nice. And runs from a battery. I’ll probably go with a Li-ion from my stash if I build it.Tempting",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,372,382.754436 | ||
https://hackaday.com/2023/03/01/a-thoroughly-modern-serial-terminal/ | A Thoroughly Modern Serial Terminal | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"rp2040",
"serial terminal",
"terminal"
] | The humble desktop serial terminal may have long disappeared from the world of corporate IT, but there are still plenty of moments when professionals and enthusiasts alike need to hook up to a serial port. Many of us use a serial port on our laptops or other mobile devices, but
[Neil Crawforth] has gone one better than... | 16 | 7 | [
{
"comment_id": "6608027",
"author": "3L_S4N70",
"timestamp": "2023-03-01T20:39:16",
"content": "No link to previous entries is given. Regarding this every, nice terminal with a tight budget!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6608033",
"author... | 1,760,372,382.994838 | ||
https://hackaday.com/2023/03/01/the-die-is-cast/ | The Die Is Cast! | Jenny List | [
"Hackaday Columns"
] | [
"die casting",
"metal",
"metal casting",
"sand casting"
] | We all know the basics of how metal casting works, a metal is heated up to melting point and the resulting liquid metal is poured into a mold. When the metal sets, it assumes the shape of the mold. It’s a straightforward way to reliably replicate a metal item many times over, and the basics are the same whether the met... | 31 | 9 | [
{
"comment_id": "6607976",
"author": "cliff claven",
"timestamp": "2023-03-01T18:42:14",
"content": "Just a note about lost wax: NEVER try to melt the wax pattern out with the molten metal. The wax is `burned out’ prior to pouring.Also, never forget lost foam as an option.",
"parent_id": null,
... | 1,760,372,383.063543 | ||
https://hackaday.com/2023/03/01/morse-code-clock-for-training-hams/ | Morse Code Clock For Training Hams | Bryan Cockfield | [
"classic hacks",
"clock hacks"
] | [
"amateur radio",
"battery",
"clock",
"ds1307",
"ham radio",
"lithium",
"morse",
"pic",
"Practice",
"rtc"
] | It might seem antiquated, but Morse code still has a number of advantages compared to other modes of communication, especially over radio waves. It’s low bandwidth compared to voice or even text, and can be discerned against background noise even at extremely low signal strengths. Not every regulatory agency requires a... | 13 | 5 | [
{
"comment_id": "6607955",
"author": "MartyK",
"timestamp": "2023-03-01T17:33:13",
"content": "Does this really serve as a learning device? Hams need to train their ears and not their eyes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6607960",
"... | 1,760,372,383.114127 | ||
https://hackaday.com/2023/03/01/fosdem-2023-an-open-source-conference-literally/ | FOSDEM 2023: An Open-Source Conference, Literally | Arya Voronova | [
"cons",
"Featured",
"Interest",
"Slider",
"Software Development",
"Software Hacks"
] | [
"FOSDEM",
"linux",
"open source",
"software"
] | Every year, on the first weekend of February, a certain Brussels university campus livens up. There, you will find enthusiasts of open-source software and hardware alike, arriving from different corners of the world to meet up, talk, and listen. The reason they all meet there is the conference called
FOSDEM
, a long-st... | 6 | 3 | [
{
"comment_id": "6607924",
"author": "Bruno Verachten",
"timestamp": "2023-03-01T16:02:49",
"content": "So cool, there is a picture and a few words about #miniJen, my attempt to get #Jenkins running in a small form factor with various CPU architectures.Thanks a lot for stopping by.",
"parent_id"... | 1,760,372,383.173872 | ||
https://hackaday.com/2023/03/01/aaron-christophel-brings-doom-to-payment-terminal/ | Aaron Christophel BringsDOOMTo Payment Terminal | Arya Voronova | [
"Reverse Engineering",
"Security Hacks"
] | [
"does it run doom",
"payment terminal",
"Will It Doom?"
] | Payment terminals might feel intimidating — they’re generally manufactured with security in mind, with all manner of anti-tamper protections in place to prevent you from poking around in the hardware too much. But [Aaron Christophel] thinks that level of security isn’t aren’t always in practice however, and on his jour... | 9 | 4 | [
{
"comment_id": "6607853",
"author": "CashIsKing",
"timestamp": "2023-03-01T13:25:22",
"content": "So, in short, nobody has ever played doom on physical coins and notes (yet), but atleast physical cash can’t be hacked from you. And physical cash doesn’t care if a battery runs down either. Playing do... | 1,760,372,383.222987 | ||
https://hackaday.com/2023/03/01/brand-new-colecovision-console-on-a-breadboard/ | Brand New Colecovision Console – On A Breadboard | Jenny List | [
"Games",
"Retrocomputing"
] | [
"Coleco",
"colecovision",
"console"
] | The Colecovision console from the early 1980s is probably not the most memorable platform of its era, but it retains a retrocomputing following to this day. The original hardware can be a bit pricey in 2023, so [nanochess]
has built one of his own on a breadboard
. It’s fully functional from original Colecovision cartr... | 4 | 4 | [
{
"comment_id": "6607910",
"author": "John",
"timestamp": "2023-03-01T15:43:25",
"content": "OMG",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6607951",
"author": "Stanley Smith",
"timestamp": "2023-03-01T17:19:01",
"content": "I worked on end of ... | 1,760,372,383.375316 | ||
https://hackaday.com/2023/02/28/a-more-expressive-synth-via-flexure/ | A More Expressive Synth Via Flexure | Navarre Bartz | [
"Microcontrollers",
"Musical Hacks"
] | [
"breadboard",
"Daisy Seed",
"expressive synth",
"expressive synthesizer",
"flexure",
"hall effect sensor",
"synth",
"synthesizer"
] | Synthesizers can make some great music, but sometimes they feel a bit robotic in comparison to their analog counterparts.
[Sound Werkshop]
built a
“minimum viable” expressive synth
to overcome this challenge. (YouTube)
Dubbed “The Wiggler,” [
Sound Werkshop
]’s expressive synth centers on the idea of using a flexure as... | 13 | 8 | [
{
"comment_id": "6607716",
"author": "Dude",
"timestamp": "2023-03-01T07:36:01",
"content": "Ages ago I made the same thing in analog. It was quite simple: a ribbon controller on pivoted arm would provide the note, which you could wiggle left and right to make the vibrato. Pressing it down against a... | 1,760,372,384.196303 | ||
https://hackaday.com/2023/02/27/emulating-all-the-trs-80-software/ | Emulating All The TRS-80 Software | Al Williams | [
"Hackaday Columns",
"Retrocomputing"
] | [
"retrocomputing",
"trs-80"
] | Even if you didn’t own a TRS-80, the widespread footprint of Radio Shack in malls meant that if you are old enough, it is a good bet you have seen one and maybe even played with one. The games were crude, but state-of-the-art for 1982. If you wanted business software, that was there too, just don’t expect much on any o... | 37 | 16 | [
{
"comment_id": "6606559",
"author": "Wenzel",
"timestamp": "2023-02-27T19:14:39",
"content": "Oh wonderful! Free accounting software… I’ll get the staff working with this…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6606565",
"author": "MmmDee",
"t... | 1,760,372,383.6074 | ||
https://hackaday.com/2023/02/27/life-at-cern-hack-chat/ | Life At CERN Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat"
] | Join us on Wednesday, March 1st at noon Pacific for the
Life at CERN Hack Chat
with
Daniel Valuch
!
You know the story — work is just…work. The daily grind, the old salt mine, the place where you trade your time and talent for the money you need to do other stuff in the few hours you’re not at work. It’s not the same f... | 0 | 0 | [] | 1,760,372,383.484362 | ||
https://hackaday.com/2023/02/27/floppy-8-is-a-tiny-pc-in-a-floppy-drive/ | Floppy-8 Is A Tiny PC In A Floppy Drive | Jenny List | [
"computer hacks"
] | [
"cartridge slot",
"floppy",
"Lattepanda",
"pc"
] | At first sight, Floppy-8 is simply
a LattePanda based PC built into the shell of a external vintage floppy drive
. Indeed, it’s a very nicely executed LattePanda PC in a floppy, and we’re impressed by it. What turns it from a nifty case mod into something a bit special though, is the way creator [Abraham Haskins] has u... | 1 | 1 | [
{
"comment_id": "6606542",
"author": "filmplus apk",
"timestamp": "2023-02-27T18:52:11",
"content": "As the final bits and bobs began to line up I was finally able to do some real testing for heat, cartridge seating, and ~vibe~.Heat wise, amazingly, even with all the junk in the case the Latte Panda... | 1,760,372,383.524904 | ||
https://hackaday.com/2023/02/27/laptop-motherboard-no-x86-single-board-computer/ | Laptop Motherboard? No, X86 Single-Board Computer! | Arya Voronova | [
"Featured",
"laptops hacks",
"Original Art",
"Skills",
"Slider"
] | [
"diy",
"motherboard",
"raspberry pi",
"reuse",
"SBC"
] | Sometimes a Raspberry Pi will not cut it – especially nowadays, when the prices are high and the in-stock amounts are low. But if you look in your closet, you might find a decently-specced laptop with a broken screen or faulty hinges. Or perhaps someone you know is looking to get rid of a decent laptop with a shattered... | 47 | 14 | [
{
"comment_id": "6606482",
"author": "leoncoolmoon",
"timestamp": "2023-02-27T17:05:33",
"content": "the moribund x86 is hopeless. Lack of new mainstream os support almost equal to dead.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6606744",
"autho... | 1,760,372,383.747171 | ||
https://hackaday.com/2023/02/27/compact-ultrasonic-holographs-for-single-step-assembly-of-matter-in-3d/ | Compact Ultrasonic Holographs For Single Step Assembly Of Matter In 3D | Maya Posch | [
"3d Printer hacks",
"Science"
] | [
"ultrasonic holography",
"xolography"
] | Creating three-dimensional shapes from basic elements or even cells is an important research topic, with potentially many applications in the fields of medicine and general research. Although physical molds and scaffolding can be used, the use of ultrasonic holographs is in many ways preferable. Using ultrasonic sound ... | 7 | 4 | [
{
"comment_id": "6606431",
"author": "Dan (No, the OTHER one)",
"timestamp": "2023-02-27T15:20:57",
"content": "Black Magic. Pure as RF witchery.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6606434",
"author": "Greg A",
"timestamp": "2023-... | 1,760,372,383.652768 | ||
https://hackaday.com/2023/02/27/hacker-friendly-and-elegant-air-quality-sensor-hub/ | Hacker-Friendly And Elegant Air Quality Sensor Hub | Arya Voronova | [
"hardware",
"home hacks"
] | [
"air quality",
"Air quality sensors",
"particulate",
"particulates"
] | Ever wanted an indoor environment sensor that’s dead simple yet a complete package? That’s
the
anotter-sensor-hub
project
from [Jana Marie],
designed for the Sensirion SEN05x series sensors, with a SEN055 sensor shown in the picture above. Given such a sensor, you can measure VOCs and NOCs (Volatile and Non-Volatile Or... | 9 | 5 | [
{
"comment_id": "6606337",
"author": "ian 42",
"timestamp": "2023-02-27T10:54:33",
"content": "I’d be interested where she got the board made and populated for $5, as there are not details on github etc..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "660634... | 1,760,372,383.799501 | ||
https://hackaday.com/2023/02/26/a-milliwatt-of-doom/ | A Milliwatt OfDOOM | Jenny List | [
"Artificial Intelligence",
"Parts"
] | [
"doom",
"NDP200",
"Will It Doom?"
] | The seminal 1993 first-person shooter from id Software,
DOOM
, has become well-known as a test of small computer platforms. We’ve seen it on embedded systems far and wide, but we doubt we’ve ever seen it consume as little power
as it does on a specialized neural network processor
. The chip in question is a
Syntiant ND... | 36 | 12 | [
{
"comment_id": "6606198",
"author": "KC",
"timestamp": "2023-02-27T06:12:20",
"content": "With all this talk of AI lately, and now low power AI, I’m reminded of the quote “I’m more afraid of a computer failing the Turing test on purpose than passing it.”On a more related note, the average human bra... | 1,760,372,383.884092 | ||
https://hackaday.com/2023/02/26/diy-tool-makes-wrapping-wiring-harnesses-a-breeze/ | DIY Tool Makes Wrapping Wiring Harnesses A Breeze | Navarre Bartz | [
"Tool Hacks"
] | [
"harness",
"machine",
"wire",
"wire harness",
"wrap"
] | If you’re making a lot of wiring harnesses, wrapping them can become a bit of a drag. [Well Done Tips] wanted to make this process easier and built a
wiring harness wrapping machine
.
The “C” shape of this wrapping machine means that you can wrap wires that are still attached at one or both ends, as you don’t have to p... | 17 | 8 | [
{
"comment_id": "6606182",
"author": "IIVQ",
"timestamp": "2023-02-27T05:48:56",
"content": "Love the idea, and I love the video, it has a timelapsy feel to it. Also, neat trick of using a compass tracing the inside of a circle.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,384.325485 | ||
https://hackaday.com/2023/02/26/hackaday-links-february-26-2023/ | Hackaday Links: February 26, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"balloon",
"exoplanet",
"hackaday links",
"simulator",
"surplus",
"U-2"
] | It’s probably safe to say that most of us have had enough of the Great Balloon Follies to last the rest of 2023 and well beyond. It’s been a week or two since anything untoward was spotted over the US and subsequently blasted into shrapnel, at least that we know of, so we can probably put this whole thing behind us.
Bu... | 32 | 4 | [
{
"comment_id": "6605967",
"author": "Lee Hart",
"timestamp": "2023-02-27T00:08:09",
"content": "What I can’t figure out is why the US had to use a half a million dollar missile to shoot down a balloon. Couldn’t they just shoot a few holes in it to let the gas out, so it would gradually descend?",
... | 1,760,372,383.976932 | ||
https://hackaday.com/2023/02/26/rubber-bands-and-o-rings-give-3d-prints-some-stretch/ | Rubber Bands And O-Rings Give 3D Prints Some Stretch | Donald Papp | [
"Parts"
] | [
"3d printed",
"embedded",
"flexible",
"O-ring",
"rubber band"
] | Sometimes it would be helpful if a 3D printed object could stretch & bend. Flexible filament like TPU is one option, but [NagyBig] designed a simple bracelet to ask:
how about embedding rubber bands or o-rings into the print itself
?
Embedding objects into prints usually involves hardware like fasteners or magnets, but... | 9 | 5 | [
{
"comment_id": "6605886",
"author": "Foldi-One",
"timestamp": "2023-02-26T21:51:24",
"content": "Interesting, but I’d worry the rubber bands will be degraded by the heat coming off the cooling filament when embedded like that. Not sure how heat tolerant they are, but I know I’ve seen a few melty st... | 1,760,372,384.127384 | ||
https://hackaday.com/2023/02/26/a-loving-look-inside-vacuum-fluorescent-displays/ | A Loving Look Inside Vacuum Fluorescent Displays | Dan Maloney | [
"Teardown"
] | [
"anode",
"audiophile",
"cathode",
"filter",
"phosphor",
"retro",
"vacuum fluorescent display",
"vfd"
] | Everyone knows we’re big fans of displays that differ from the plain old flat-panel LCDs that seem to adorn most devices these days. It’s a bit boring when the front panel of your widget is the same thing you stare at hour after hour while using your phone. Give us the chunky, blocky goodness of a vacuum fluorescent di... | 20 | 13 | [
{
"comment_id": "6605799",
"author": "thom",
"timestamp": "2023-02-26T19:14:31",
"content": "The most beautiful display ever made…IMOHave a Kenwood TS-450SAT and still love the lookof the VFD. And stereos from the 80’s—same thing.Nothing like a audio spectrum analyzer display whilelistening to RUSH ... | 1,760,372,384.082145 | ||
https://hackaday.com/2023/02/26/the-last-meccano-factory-is-to-close-will-we-miss-it/ | The Last Meccano Factory Is To Close. Will We Miss It? | Jenny List | [
"Toy Hacks"
] | [
"erector set",
"meccano",
"toy"
] | If we were to talk to engineers about the childhood toys which most inspired them, it’s likely that the older among them would mention either Meccano or Erector Set. These similar construction toys using metal components originated independently around the turn of the 20th century in both Britain and America, and event... | 64 | 45 | [
{
"comment_id": "6605659",
"author": "eriklscott",
"timestamp": "2023-02-26T15:18:19",
"content": "I’m not going to lie – I had some erector set pieces and some lego. The legos were a lot more fun. Flame on, but remember I’m a CS guy who operates more or less on the computer engineering side. Maybe... | 1,760,372,386.295201 | ||
https://hackaday.com/2023/02/26/teaching-a-robot-to-hallucinate/ | Teaching A Robot To Hallucinate | Donald Papp | [
"Artificial Intelligence",
"Robots Hacks"
] | [
"ai",
"diffusion models",
"image generators",
"imagen",
"machine hallucination",
"robotics",
"training data"
] | Training robots to execute tasks in the real world requires data — the more, the better. The problem is that creating these datasets takes a lot of time and effort, and methods don’t scale well. That’s where
Robot Learning with Semantically Imagined Experience
(ROSIE)
comes in.
The basic concept is straightforward: enh... | 8 | 6 | [
{
"comment_id": "6605584",
"author": "michael",
"timestamp": "2023-02-26T12:18:42",
"content": "Sounds similar to taking a nap as a human being so the brain can digest new information during some heavy studying or learning new complex tasks. Only we call it dreaming instead of hallucinating…",
"... | 1,760,372,385.885305 | ||
https://hackaday.com/2023/02/26/sofa-armrest-is-a-nifty-storage-spot/ | Sofa Armrest Is A Nifty Storage Spot | Navarre Bartz | [
"home hacks"
] | [
"couch",
"furniture",
"Hidden storage",
"pegboard",
"sofa",
"storage"
] | If you’re like us, you’re always in need of a little more space to store things. [Javier Guerrero] realized his sofa wasn’t living up to its full storage potential and designed this
sofa armrest storage
.
[Guerrero]’s sofa arms were hiding 80 liters of space, so he really wanted to do something with it. After disassemb... | 7 | 7 | [
{
"comment_id": "6605580",
"author": "Gregg Eshelman",
"timestamp": "2023-02-26T11:55:19",
"content": "Put the HTPC in it for a couchputer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6605698",
"author": "NQ",
"timestamp": "2023-02-26T16:32:07",
... | 1,760,372,386.120844 | ||
https://hackaday.com/2023/02/25/cart-cruises-abandoned-california-rail/ | Cart Cruises Abandoned California Rail | Bryan Cockfield | [
"Transportation Hacks"
] | [
"blm",
"cart",
"custom",
"exploration",
"mold",
"motor",
"polyurethane",
"rail",
"railroad",
"wheels"
] | Southern California is known for its nearly perfect year-round climate, excellent surf, and extremely high cost of living, but once you get away from the coast things are radically different. Rural California has huge tracts of land run by the Bureau of Land Management (BLM), which is publicly accessible to anyone will... | 21 | 12 | [
{
"comment_id": "6605487",
"author": "Paul K",
"timestamp": "2023-02-26T07:13:27",
"content": "Nice! Kreosan did an electric version to explore Chernobyl.Enjoy:https://www.youtube.com/watch?v=dcOUeIA978g",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6605524"... | 1,760,372,386.35076 | ||
https://hackaday.com/2023/02/25/the-forgotten-commodore-900-a-look-at-a-rare-prototype/ | The Forgotten Commodore 900: A Look At A Rare Prototype | Maya Posch | [
"Retrocomputing"
] | [
"commodore",
"Commodore 900"
] | Of the computers produced and prototyped by Commodore, most people are likely well-acquainted with the PET, VIC-20, C64 and C128, as well as the never released Commodore 65. Of these systems many examples and plentiful of documentation exist, but probably among the most rare is the Commodore 900, as
recently covered
by... | 28 | 7 | [
{
"comment_id": "6605388",
"author": "Bil Herd",
"timestamp": "2023-02-26T03:15:03",
"content": "Love that he starts out with the engineers names: Shiraz Shivji, Frank Hughes and Bob Russel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6605425",
"a... | 1,760,372,386.532662 | ||
https://hackaday.com/2023/02/25/new-possibilities-from-fading-lighting-technology/ | New Possibilities From Fading Lighting Technology | Bryan Cockfield | [
"High Voltage"
] | [
"cfl",
"coil",
"compact fluorescent",
"driver",
"fluorescent",
"heater",
"high voltage",
"induction"
] | Like the incandescent bulb before it, the compact fluorescent (CFL) bulb is rapidly fading into obscurity as there are fewer and fewer reasons to use them over their LED successors. But there are plenty of things to do with some of the more interesting circuitry that made these relatively efficient light bulbs work, an... | 54 | 11 | [
{
"comment_id": "6605350",
"author": "Andy",
"timestamp": "2023-02-26T01:44:45",
"content": "I like it . It’s how we know ChatGPT isn’t writing the articles.Now back on topic, an induction heater…This definitely wouldn’t have been something that I would have thought to try.",
"parent_id": null,
... | 1,760,372,386.203169 | ||
https://hackaday.com/2023/02/25/low-power-challenge-keep-plants-green-and-clean-with-e-paper-smart-tags/ | Low Power Challenge: Keep Plants Green And Clean With E-Paper Smart Tags | Dan Maloney | [
"contests",
"green hacks"
] | [
"contest",
"eink",
"epaper",
"esphome",
"Low-Power Challenge",
"waveshare"
] | There are plenty of reasons to devote oneself to the care of houseplants — after all, a room full of bright, glossy-leaved plants can be a joy to behold, and that’s not even one of the more tangible benefits they bring. But as any green thumb knows, there’s a fine line between a healthy, vibrant plant and one that’s so... | 7 | 4 | [
{
"comment_id": "6605231",
"author": "Reluctant Cannibal",
"timestamp": "2023-02-25T21:09:08",
"content": "“more toward the brown and crusty side of things” ……. Toast?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6605237",
"author": "Corrosion proof too?... | 1,760,372,386.445704 | ||
https://hackaday.com/2023/02/25/pi-pico-calculates-water-usage/ | Pi Pico Calculates Water Usage | Bryan Cockfield | [
"home hacks",
"Microcontrollers"
] | [
"automation",
"home",
"magnetometer",
"meter",
"pico",
"raspberry pi",
"utility",
"water",
"waveform"
] | Modern WiFi-enabled microcontrollers have made it affordable and easy to monitor everything from local weather information to electricity usage with typically no more than a few dollars worth of hardware and a little bit of programming knowledge. Monitoring one’s own utility data can be a little bit more difficult with... | 18 | 11 | [
{
"comment_id": "6605171",
"author": "Clancydaenlightened",
"timestamp": "2023-02-25T18:40:02",
"content": "Get an esp and a rf coil and I can just get that data by placing a coil on top of my water meter, and also get power consumption for each circuit in the house and approximately the global powe... | 1,760,372,385.990809 | ||
https://hackaday.com/2023/02/25/simultaneous-invention-all-the-time/ | Simultaneous Invention, All The Time? | Elliot Williams | [
"News",
"Rants"
] | [
"ai",
"coding",
"newsletter",
"search"
] | As Tom quipped on the podcast this week, if you have an idea for a program you’d like to write, all you have to do is look around on GitHub and you’ll find it already coded up for you. (Or StackOverflow, or…) And that’s probably pretty close to true, at least for really trivial bits of code. But it hasn’t always been t... | 20 | 10 | [
{
"comment_id": "6605078",
"author": "Thomas Hargrave",
"timestamp": "2023-02-25T15:37:17",
"content": "This is true but unlike GetHub the web is loaded with mostly crap code. Start looking for code solutions for more complex problems and you find a mix of incomplete solutions or code that never cou... | 1,760,372,386.407456 | ||
https://hackaday.com/2023/02/25/this-camera-produces-a-picture-using-the-scene-before-it/ | This Camera Produces A Picture, Using The Scene Before It | Jenny List | [
"Artificial Intelligence",
"digital cameras hacks"
] | [
"ai",
"ai camera",
"DALL-E",
"raspberry pi"
] | It’s the most basic of functions for a camera, that when you point it at a scene, it produces a photograph of what it sees. [Jasper van Loenen]
has created a camera that does just that
, but not perhaps in the way we might expect. Instead of committing pixels to memory it takes a picture, uses AI to generate a text des... | 23 | 9 | [
{
"comment_id": "6605016",
"author": "Dave",
"timestamp": "2023-02-25T13:08:29",
"content": "Rather interesting… Although I do wonder what copyright battles will come from AI generated content.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6605098",
... | 1,760,372,385.941057 | ||
https://hackaday.com/2023/02/24/hunting-for-space-pirates/ | Hunting For Space Pirates | Bryan Cockfield | [
"Radio Hacks",
"Space"
] | [
"amateur",
"antenna",
"directional",
"ham",
"pirate",
"radio",
"satellite",
"space",
"yagi"
] | Ever since the first artificial satellite was launched into orbit, radio operators around the world have been tuning in to their space-based transmissions. Sputnik 1 only sent back pulses of radio waves, but in the decades to follow ever more advanced radio satellites were put into service that could support two-way co... | 14 | 8 | [
{
"comment_id": "6604418",
"author": "Piotrsko",
"timestamp": "2023-02-24T17:16:44",
"content": "Used to be a big thing with tv reception before “encoding” pay tv. Afaik, there’s no hardware on the satellites to prevent this, they used to just recieve whatever signal made it all that way and retran... | 1,760,372,386.588969 | ||
https://hackaday.com/2023/02/24/this-week-in-security-godaddy-joomla-and-clamav/ | This Week In Security: GoDaddy, Joomla, And ClamAV | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"ClamAV",
"GoDaddy",
"This Week in Security"
] | We’ve seen some rough security fails over the years, and
GoDaddy’s recent news about a breach
leading to rogue website redirects might make the highlight reel. The real juicy part is buried on page 30 of
a PDF filing to the SEC
.
Based on our investigation, we believe these incidents are part of a multi-year campaign b... | 1 | 1 | [
{
"comment_id": "6605663",
"author": "29s38rnu",
"timestamp": "2023-02-26T17:21:18",
"content": "I like how every memory protection listed has nothing to do with Linux heap management… Even if it was stack COOP and most ROP will bypass all of those; Even if you added GCC implantation of CET and CET_... | 1,760,372,386.622828 | ||
https://hackaday.com/2023/02/24/answering-some-pico-balloon-questions/ | Answering Some Pico Balloon Questions | Jenny List | [
"Current Events"
] | [
"balloon",
"HAB",
"pico balloon"
] | When the US Air Force shot down some suspected Chinese spy balloons a couple of weeks ago, it was widely reported that one of the targets might have been a much more harmless amateur radio craft. The so-called pico balloon K9YO was a helium-inflated Mylar balloon carrying a tiny solar-powered WSPR beacon, and it abrupt... | 29 | 10 | [
{
"comment_id": "6604203",
"author": "Antron Argaiv",
"timestamp": "2023-02-24T12:34:20",
"content": "“A” Chinese spy balloon. The others were not identified. Perhaps just a small bit of “if it’s floating, shoot it down” going on.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,387.21153 | ||
https://hackaday.com/2023/02/24/tiny-machine-learning-on-as-little-as-2-kb-of-ram/ | Tiny Machine Learning On As Little As 2 KB Of RAM | Al Williams | [
"Artificial Intelligence",
"Software Development"
] | [
"machine learning",
"tensorflow",
"TinyML"
] | All of the machine language stuff coming out lately doesn’t affect you if you are developing with embedded microcontrollers, right? Perhaps not. Microsoft Research India wants you to use their
EdgeML
tool to do machine learning tasks such as gesture recognition in tiny devices like an Arduino Uno. According to the deve... | 6 | 5 | [
{
"comment_id": "6604080",
"author": "ono",
"timestamp": "2023-02-24T09:34:51",
"content": "when it will run on a NE556 (dual-core NE555) I will have a look.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6604131",
"author": "Kalle",
"timestamp": "2023... | 1,760,372,386.992578 | ||
https://hackaday.com/2023/02/23/sailing-on-a-sea-of-seven-segment-displays/ | Sailing On A Sea Of Seven-Segment Displays | Dan Maloney | [
"Art",
"LED Hacks"
] | [
"binary code modulation",
"grayscale",
"seven segment",
"TLC5920"
] | The amount of information the humble seven-segment display can convey is surprising. There are the ten numerals, dead-ringers or reasonable approximations for about half the alphabet, and even a few not-quite-canonical symbols.
But when you put 12,288 segments to work
, you get all that and much more.
Behold
Sea of Seg... | 40 | 19 | [
{
"comment_id": "6604005",
"author": "Tom Hargrave",
"timestamp": "2023-02-24T07:26:10",
"content": "Simply amazing!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6604060",
"author": "xamiax",
"timestamp": "2023-02-24T09:02:30",
"content": "so sat... | 1,760,372,387.064084 | ||
https://hackaday.com/2023/02/23/german-air-force-surplus-teardown/ | German Air Force Surplus Teardown | Al Williams | [
"Teardown"
] | [
"helicopter",
"military",
"teardown"
] | It isn’t clear to us how [mrsylvain59] came into possession of a late-model piece of military gear from the German airforce, but we enjoyed watching the
teardown
below anyway. According to the documentation, the thing has a huge price tag, although we all know that the military usually pays top dollar for various reaso... | 11 | 8 | [
{
"comment_id": "6603826",
"author": "Nikolai",
"timestamp": "2023-02-24T03:08:17",
"content": "BTW, Lowes sells Wiha screwdrives now. Just a few models only.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6603892",
"author": "TG",
"timestamp": "2023-0... | 1,760,372,386.910274 | ||
https://hackaday.com/2023/02/23/supersized-laptop-laughs-in-the-face-of-portability/ | Supersized Laptop Laughs In The Face Of Portability | Navarre Bartz | [
"computer hacks"
] | [
"80/20 aluminum extrusions",
"aluminum extrusion",
"diy laptop",
"Evan and Katelyn",
"giant",
"huge",
"laptop"
] | Sometimes a project needs to go big, and [Evan and Katelyn] threw portability to the wind to build the
“world’s biggest” laptop
.
Stretching the believability of “bigger is better,” this laptop features a 43″ screen, an enormous un-ergonomic keyboard, and a trackpad that might be bigger than your hand. Not to be outdon... | 18 | 10 | [
{
"comment_id": "6603717",
"author": "MmmDee",
"timestamp": "2023-02-24T00:29:44",
"content": "While you might be able to place this computer on someone’s lap, there is a larger “laptop” computer that has a 16 foot (sic) screen.http://www.recomgroup.com/world's_largest_working_laptop_computer.htmEve... | 1,760,372,387.397508 | ||
https://hackaday.com/2023/02/25/internet-connected-pinball-machine-shows-off-scores/ | Internet Connected Pinball Machine Shows Off Scores | Al Williams | [
"Microcontrollers"
] | [
"Pi Pico W",
"pinball"
] | Before video games, there were pinball machines. Not that they don’t exist today, but a modern pinball machine will likely have microprocessors and other fancy things that traditional pinball machine designers could never dream of. [Eli] had one of these mechanical machines from 1974 as a kid and, later, encountered a ... | 9 | 4 | [
{
"comment_id": "6605159",
"author": "willmore",
"timestamp": "2023-02-25T18:15:09",
"content": "Hacks are cool, don’t get me wrong, but…..https://scorbit.io/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6607103",
"author": "TinWhisker",
"t... | 1,760,372,387.148574 | ||
https://hackaday.com/2023/02/24/deep-dive-into-the-hp-scantjet-4c/ | Deep Dive Into The HP ScantJet 4C | Chris Lott | [
"Retrocomputing"
] | [
"flatbed scanner",
"HP-4C",
"scanjet",
"scsi"
] | [Shelby] at Tech Tangents recently wrapped a project / obsession to obtain an old HP ScanJet 4C, get it running on a PC and put it through its paces. After after nearly five years, three scanners, and untold SCSI cards and drivers later,
he finally succeeded
. The first big problem was getting a working scanner. These ... | 28 | 16 | [
{
"comment_id": "6604870",
"author": "Ostracus",
"timestamp": "2023-02-25T07:06:11",
"content": "I keep mine around for when laying physical items on to scan like boards.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6604895",
"author": "nanonic",
... | 1,760,372,387.347484 | ||
https://hackaday.com/2023/02/24/pushing-crates-in-8-bit-color/ | Pushing Crates In 8-bit Color | Bryan Cockfield | [
"Games"
] | [
"8 bit",
"AVR",
"AVR128DA28",
"color",
"crate",
"display",
"game",
"oled",
"sokoban"
] | Moore’s law isn’t strictly holding anymore, but it is still true that most computing systems are at least trending towards lower cost over time, if not also slightly smaller size. This means wider access to less expensive hardware, even if that hardware is still an 8-bit microcontroller. While some move on to more powe... | 6 | 3 | [
{
"comment_id": "6605000",
"author": "Stappers",
"timestamp": "2023-02-25T12:21:47",
"content": "> The video game that lcamtuf is recreating is known as Sokoban, a puzzle game which involves pushing crates to their assigned spaces without accidentally pinning yourself into a no-win situation.And tho... | 1,760,372,387.104374 | ||
https://hackaday.com/2023/02/24/producing-a-pair-of-parallel-pliers/ | Producing A Pair Of Parallel Pliers | Navarre Bartz | [
"Tool Hacks"
] | [
"heirloom",
"lathe",
"machining",
"mill",
"parallel pliers",
"Pask Makes",
"pliers"
] | A regular pair of pliers is fine most of the time, but for delicate work with squarish objects you can’t go wrong with a pair of parallel pliers. [Neil Paskin] decided to make
his own pair from scratch
. (YouTube)
The jaws were machined down from round stock in [Paskin]’s mill before heat treating and tempering. The st... | 10 | 4 | [
{
"comment_id": "6604727",
"author": "NSFW",
"timestamp": "2023-02-25T02:12:25",
"content": "If you like these, you should also check out Knipex pliers. I like them so much I ran out and bought all three sizes after I got the first one.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,387.439699 | ||
https://hackaday.com/2023/02/24/low-power-challenge-e-paper-shelf-label-becomes-ultra-frugal-clock/ | Low Power Challenge: E-Paper Shelf Label Becomes Ultra-Frugal Clock | Robin Kearey | [
"clock hacks"
] | [
"e-paper clock",
"Electronic shelf label",
"nRF52832"
] | Over the past two decades, e-paper has evolved from an exotic and expensive display technology to something cheap enough to be used for supermarket price tags. While such electronic shelf labels are now easy to find, actually re-using them is often tricky due to a lack of documentation. Luckily, [Aaron Christophel] has... | 12 | 9 | [
{
"comment_id": "6604636",
"author": "Paul",
"timestamp": "2023-02-24T23:27:54",
"content": "Is it sensible to use a rechargeable battery for an application like this?The cost of an item is a pretty good proxy for its environmental impact, so you need to use a lot of charge/discharge cycles of a lit... | 1,760,372,387.493803 | ||
https://hackaday.com/2023/02/24/toroid-transformers-explained/ | Toroid Transformers Explained | Al Williams | [
"Parts",
"Radio Hacks"
] | [
"toroid",
"toroidal",
"toroidal transformer"
] | HF radios often use toroidal transformers and winding them is a rite of passage for many RF hackers. [David Casler, KE0OG] received a question about how they work and
answered it in a recent video
that you can see below.
Understanding how a conventional transformer works is reasonably simple, but toroids often seem mys... | 34 | 10 | [
{
"comment_id": "6604508",
"author": "smellsofbikes",
"timestamp": "2023-02-24T20:26:14",
"content": "I’ve been working on designing a chunk of magnetic core memory, which uses quite different-material toroids, but one thing I ran across that was kinda cool was how IBM managed to design magnetic cor... | 1,760,372,387.647594 | ||
https://hackaday.com/2023/02/24/hackaday-podcast-207-modular-furniture-plastic-prosthetics-and-your-data-on-youtube/ | Hackaday Podcast 207: Modular Furniture, Plastic Prosthetics, And Your Data On YouTube | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Join Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi as they explore the best and most interesting stories from the last week. The top story if of course the possibility that at least some of the unidentified flying objects the US Air Force valiantly shot down were in fact the work of amateur radio enthus... | 6 | 2 | [
{
"comment_id": "6604601",
"author": "Jonathan Bennett",
"timestamp": "2023-02-24T22:31:22",
"content": "Mystery sound sounds like an art installation that plays generative music, based on PVC pipes that act like pan flutes in the wind.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,387.575124 | ||
https://hackaday.com/2023/02/22/lo-fi-tchaikovsky/ | Lo-Fi Tchaikovsky | Chris Lott | [
"Musical Hacks"
] | [
"hardware orchestra",
"lo-fi",
"orchestra",
"speaker"
] | [Kevin] over at Simple DIY ElectroMusic Projects recently
upgraded his Lo-Fi Orchestra
. To celebrate his 400th blog post, he programmed it to play Tchaikovsky’s
1812 Overture
. Two Arduino Nanos, four Arduino Unos, four Raspberry Pi Picos, and one Raspberry Pi have joined the Lo-Fi Orchestra this year, conducted by a ... | 4 | 1 | [
{
"comment_id": "6603298",
"author": "Jonathan Bennett",
"timestamp": "2023-02-23T15:14:37",
"content": "It’s a midi-based organ on micro-controllers. That’s really something. I approve of this hackery.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6605126"... | 1,760,372,387.712792 | ||
https://hackaday.com/2023/02/22/an-amiga-mouse-the-modern-way/ | An Amiga Mouse, The Modern Way | Jenny List | [
"Peripherals Hacks",
"Retrocomputing"
] | [
"amiga",
"hid",
"quadrature"
] | When we recently featured an Amiga upgrade project, [EmberHeavyIndustries ] was prompted to share one of their own, an adapter
to allow a modern USB HID mouse to be used with the Commodore quadrature mouse port
.
The first mice simply transferred the rotation of the ball through rollers to switches or optical sensors w... | 27 | 7 | [
{
"comment_id": "6602772",
"author": "Joshua",
"timestamp": "2023-02-23T04:13:09",
"content": "That’s cool and all, but what point is it if we replace all components by cheap PC parts? At one point, why not just use an emulator? It’s even more authentic given CRT emulation. Or let’s go make replicas... | 1,760,372,387.77287 | ||
https://hackaday.com/2023/02/22/laser-scanner-upgraded-to-use-pcb-motor/ | Laser Scanner Upgraded To Use PCB Motor | Chris Lott | [
"Laser Hacks"
] | [
"laser scanner",
"pcb motor"
] | [Rik]’s
Hexastorm laser scanner project
originally used a discrete polygon mirror controller+motor module from Sharp to spin a prism. But the scanner head was a bit difficult to assemble and had a lot of messy wires. This has all been replaced by a single board featuring a PCB-printed motor, based on the work of [Carl ... | 10 | 6 | [
{
"comment_id": "6602765",
"author": "Andy",
"timestamp": "2023-02-23T04:08:57",
"content": "This would be beautiful if it had double-sided eurocard (160 x 100) exposure abilities, automatic board & image registration when flipped, and a gui allowing gerbers to be lased. Dreams.",
"parent_id": n... | 1,760,372,387.813747 | ||
https://hackaday.com/2023/02/22/digital-replica-antique-weather-monitoring-instruments/ | Digital Replica Of Antique Weather Monitoring Instrument | Bryan Cockfield | [
"classic hacks"
] | [
"antique",
"arduino",
"barograph",
"barometer",
"classic",
"display",
"i2c",
"style"
] | Computers and digital sensors have allowed for the collection and aggregation of data barely possible to imagine to anyone in the instrumentation scene even sixty years ago. Before that, things like weather stations, seismometers, level sensors, and basically any other way of gathering real data about the world would h... | 8 | 6 | [
{
"comment_id": "6602574",
"author": "Comedicles",
"timestamp": "2023-02-22T23:36:37",
"content": "This is a very nice idea. I will mention the drums usually held 7 day charts. And it would be nice to have options for pressure in inches and mm of mercury. This was an important reference because anyo... | 1,760,372,388.074886 | ||
https://hackaday.com/2023/02/22/drawing-knots-on-an-oscilloscope-using-analog-means/ | Drawing Knots On An Oscilloscope Using Analog Means | Maya Posch | [
"Art",
"classic hacks"
] | [
"analog circuit",
"analog oscilloscope"
] | Generating interesting imagery on an analog oscilloscope is a fun activity enjoyed by many, with an excellent demonstration by [Henry Segerman] provided in a
recent video
which covers [Matthias Goerner]’s demonstration. Using the electron beam, shapes can be drawn onto the phosphor of the oscilloscope’s CRT — all witho... | 13 | 7 | [
{
"comment_id": "6602496",
"author": "Mecrisp",
"timestamp": "2023-02-22T20:53:19",
"content": "Beautiful!For a completely digital variant of vector art seehttps://www.youtube.com/watch?v=NboW5DR5U8Ehttps://www.youtube.com/watch?v=oditfDi7T6s",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,388.414763 | ||
https://hackaday.com/2023/02/22/linux-fu-sharing-your-single-wifi/ | Linux Fu: Sharing Your Single WiFi | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"hotspot",
"linux",
"wifi"
] | If you are trying to build a router or access point, you’ll need to dig into some of the details of networking that are normally hidden from you. But, for a normal WiFi connection, things mostly just work, even though that hasn’t always been the case. However, I ran into a special case the other day where I needed a li... | 25 | 15 | [
{
"comment_id": "6602415",
"author": "smellsofbikes",
"timestamp": "2023-02-22T18:52:23",
"content": "I had no idea this was possible: I thought you needed two wireless cards to hotspot, and have an old laptop with a pcmcia card in it just for this. Very cool that you found a way to get this workin... | 1,760,372,388.140951 | ||
https://hackaday.com/2023/02/22/ibm-wants-you-to-learn-tech/ | IBM Wants You To Learn Tech | Al Williams | [
"News"
] | [
"education"
] | IBM — no stranger to anyone who works in the computing field — has launched a series of training modules on a site called
skillsbuild.org
. The site targets high school students, college students, and adult learners and offers tracks for jobs like cybersecurity analyst, IT support technician, Web developer, and data sc... | 19 | 12 | [
{
"comment_id": "6602361",
"author": "Marcus",
"timestamp": "2023-02-22T17:19:52",
"content": "So… IBM has teamed up with coursera.hint hint: that’s how coursera earns money; they offer exactly this kind of service to companies: Put your educational content into our format, and we’ll handle delivery... | 1,760,372,387.991429 | ||
https://hackaday.com/2023/02/23/fixing-a-reflow-ovens-conveyer-belt-with-an-ne555-and-stepper-motors/ | Fixing A Reflow Oven’s Conveyer Belt With An NE555 And Stepper Motors | Maya Posch | [
"Repair Hacks"
] | [
"NE555",
"repair",
"stepper"
] | Some design choices on manufacturing equipment really leave you scratching your head for a while, as recently happened to [Chris Cecil] when the
belt on a reflow oven’s conveyer snapped
. Although the solution seems simple enough, getting a new belt on the thing would involve essentially taking the entire machine apart... | 10 | 4 | [
{
"comment_id": "6603584",
"author": "Ccecil",
"timestamp": "2023-02-23T21:22:52",
"content": "Well…I had an arduino…but I didn’t have any DC motors with encoders. And this is way simpler :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6603691",
"... | 1,760,372,388.035896 | ||
https://hackaday.com/2023/02/23/sneaky-clock-displays-wrong-time-if-it-catches-you-looking/ | Sneaky Clock Displays Wrong Time If It Catches You Looking | Donald Papp | [
"Art",
"clock hacks"
] | [
"art",
"clock",
"ESP32",
"person sensor",
"useless machine"
] | We have a soft spot for devices that subvert purpose and expectation, and that definitely sums up [Guy Dupont]’s
Clock That Is Wrong
. It knows the correct time, but whether or not it
displays
the correct time is another story. That’s because nestled just above the 7-segment display is a
person sensor
module, and when ... | 20 | 10 | [
{
"comment_id": "6603531",
"author": "CRJEEA",
"timestamp": "2023-02-23T20:08:14",
"content": "Granted nothing is completely secure, for those who are not a great fan of cloud based facial recognition, this device, locally processing the data and just giving out what’s required, seems like a nice st... | 1,760,372,388.199113 | ||
https://hackaday.com/2023/02/23/supercon-2022-tap-your-rich-uncle-to-fund-your-amateur-radio-dreams/ | Supercon 2022: Tap Your Rich Uncle To Fund Your Amateur Radio Dreams | Dan Maloney | [
"cons",
"Hackaday Columns",
"Radio Hacks"
] | [
"ARDC",
"ARISS",
"class a",
"education",
"endowment",
"grant",
"outreach",
"scholarship",
"stem",
"Supercon 2022",
"supercon video"
] | Imagine you had a rich uncle who wanted to fund some of your projects. Like, seriously rich — thanks to shrewd investments, he’s sitting on a pile of cash and is now legally obligated to give away $5,000,000 a year to deserving recipients. That would be pretty cool indeed, but like anything else, if it sounds too good ... | 11 | 4 | [
{
"comment_id": "6603473",
"author": "Joshua",
"timestamp": "2023-02-23T18:41:08",
"content": "It’s just me, but amateur radio appealed to me because it was one of the last remaining spiritual, idealistic hobbys/movements.Amateur radio, to me, was all about tinkering, learning, helping people, fixin... | 1,760,372,388.242181 | ||
https://hackaday.com/2023/02/23/testing-the-raspberry-pi-debug-probe/ | Testing The Raspberry Pi Debug Probe | Jenny List | [
"Raspberry Pi",
"Tool Hacks"
] | [
"raspberry pi",
"Raspberry Pi Debug Probe",
"rp2040",
"SWD"
] | We mentioned the Raspberry Pi Debug Probe when it was launched, a little RP2040-based board that provides both a USB-to-UART and an ARM SWD debug interface. [Jeff Geerling] was lucky enough to snag one, and
he’s put it through its paces in a handy blog post
.
The first question he poses is: why buy the Pi offering when... | 14 | 7 | [
{
"comment_id": "6603449",
"author": "Pi Pico Enthusiast",
"timestamp": "2023-02-23T18:01:29",
"content": "I always wondered why they didn’t release this alongside the Pi Pico. It’s such an obvious gizmo!Yes yes i know, just flash a picoprobe, it takes 2 seconds. but the *aesthetics* aren’t there. I... | 1,760,372,388.293094 | ||
https://hackaday.com/2023/02/23/keebin-with-kristina-the-one-where-shift-really-happens/ | Keebin’ With Kristina: The One Where Shift (Really) Happens | Kristina Panos | [
"Featured",
"Interest",
"Peripherals Hacks"
] | [
"capacitive switch",
"capacitive switching",
"foam and foil switches",
"monoblock split",
"one-piece",
"one-piece split keyboard",
"Shift Happens",
"Sol-20",
"split keyboard"
] | Hooray, the system works! [Sasha K.] wrote to let me know about their
Thumbs Up!
keyboard, which is the culmination of
a long journey down the DIY rabbit hole
to end game. (Seriously, it’s kind of a wild ride, and there’s a ton of pictures).
Thumbs Up! comes in both monoblock and full split versions, but both are desig... | 5 | 3 | [
{
"comment_id": "6603396",
"author": "craig",
"timestamp": "2023-02-23T16:47:19",
"content": "Absolutely love this series.Thanks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6603483",
"author": "piachoo",
"timestamp": "2023-02-23T18:57:57",
"con... | 1,760,372,388.466411 | ||
https://hackaday.com/2023/02/23/nasa-help-wanted-ham-radio-operators-please-apply/ | NASA Help Wanted: Ham Radio Operators Please Apply | Al Williams | [
"Radio Hacks"
] | [
"citizen science",
"ham radio",
"nasa"
] | NASA’s been recruiting citizen scientists lately, and their latest call is looking for help from ham radio operators. They want you to
make and report radio contacts
during the 2023 and 2024 North American eclipses. From their website:
Communication is possible due to interactions between our Sun and the ionosphere, th... | 42 | 25 | [
{
"comment_id": "6603376",
"author": "Michael",
"timestamp": "2023-02-23T16:26:18",
"content": "KN4ZDQ how do you sign up ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6603418",
"author": "Al Williams",
"timestamp": "2023-02-23T17:12:32",
... | 1,760,372,388.540088 | ||
https://hackaday.com/2023/02/23/a-linux-distro-for-all-your-ham-needs/ | A Linux Distro For All Your Ham Needs | Bryan Cockfield | [
"Linux Hacks"
] | [
"AHRL",
"amateur",
"andy",
"ham",
"linux",
"radio",
"sdr",
"tools",
"xubuntu"
] | For anyone new to the world of ham radio, one of the things that takes a little getting used to is visiting the websites of authoritative experts in various fields and feeling like you’ve traveled back to the Internet of 1999. As a hobby that lends itself to extremely utilitarian amateurs, the software side can feel a ... | 29 | 13 | [
{
"comment_id": "6603033",
"author": "MmmDee",
"timestamp": "2023-02-23T09:29:47",
"content": "I applaud Andy’s efforts, maybe this will be the incentive to get some of my fellow hams finally off of Windows 3.1 and floppy disks :)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,388.601752 | ||
https://hackaday.com/2023/02/21/youtube-as-infinite-file-storage/ | YouTube As Infinite File Storage | Jenny List | [
"Software Hacks"
] | [
"cloud storage",
"video",
"video compression",
"youtube"
] | Anyone who was lucky enough to secure a Gmail invite back in early 2004 would have gasped in wonder at the storage on offer, a
whole gigabyte
! Nearly two decades later there’s more storage to be had for free from Google and its competitors, but it’s still relatively easy to hit the paid tier. Consider this though,
how... | 132 | 42 | [
{
"comment_id": "6601884",
"author": "come2",
"timestamp": "2023-02-21T19:39:29",
"content": "I’ve been waiting for this for so long. I knew it was possible, but I didn’t know how. Google Drive has been abused enough as it is.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,389.041537 | ||
https://hackaday.com/2023/02/21/retro-gadgets-make-your-scope-dual-channel/ | Retro Gadgets: Make Your Scope Dual Channel | Al Williams | [
"Featured",
"History",
"Interest",
"Slider",
"Teardown"
] | [
"heathkit",
"oscilloscope",
"vintage"
] | We live in a time when having an oscilloscope is only a minor luxury. But for many decades, a good scope was a major expense, and almost no hobbyist had a brand new one unless it was of very poor quality. Scopes were big and heavy and, at the price most people were willing to pay, only had a single channel. Granted, ha... | 32 | 16 | [
{
"comment_id": "6601912",
"author": "wibble",
"timestamp": "2023-02-21T20:25:11",
"content": "I have a 5″ 8Mhz Heathkit scope. How many internets do I get?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601933",
"author": "Wells Campbell",
... | 1,760,372,388.686985 | ||
https://hackaday.com/2023/02/21/3d-printing-antennas-with-dielectric-resin/ | 3D Printing Antennas With Dielectric Resin | Al Williams | [
"3d Printer hacks",
"Radio Hacks"
] | [
"3d printed antenna",
"antennas",
"resin 3d printer"
] | [Machining and Microwaves] has long wanted to use a 3D printer to print RF components for antennas and microwave lenses. He heard that Rogers — the company known for making PCB substrates, among other things — had a dielectric resin available and asked them if he could try some. They agreed, with some stipulations, inc... | 14 | 4 | [
{
"comment_id": "6601845",
"author": "Paul",
"timestamp": "2023-02-21T17:11:46",
"content": "Interesting.High performance plastics like PEEK and Ultem have similar dielectric constant and loss tangent as that magic goo, and are available in filaments for FDM. Tough temperature requirements though (... | 1,760,372,388.756592 | ||
https://hackaday.com/2023/02/21/supercon-2022-kuba-tyszko-cracks-encrypted-software/ | SUPERCON 2022: Kuba Tyszko Cracks Encrypted Software | Dave Rowntree | [
"cons",
"Hackaday Columns",
"Slider",
"Software Hacks"
] | [
"2022 Hackaday Supercon",
"aes",
"encryption",
"openssl"
] | [Kuba Tyszko] like many of us, has been hacking things from a young age. An early attempt at hacking around with grandpa’s tractor might have been swiftly quashed by his father, but likely this was not the last such incident. With a more recent interest in cracking encrypted applications, [Kuba] gives us some insights ... | 5 | 1 | [
{
"comment_id": "6601813",
"author": "Andrzej",
"timestamp": "2023-02-21T15:56:12",
"content": "“With the shoe on the other foot, how can you protect your application against such a simple hacking process?”You can’t. You can only make it more cumbersome/entertaining for the attacker. Yet some people... | 1,760,372,388.793878 | ||
https://hackaday.com/2023/02/21/new-product-the-raspberry-pi-debug-probe/ | New Product: The Raspberry Pi Debug Probe | Jenny List | [
"ARM",
"Raspberry Pi"
] | [
"new product",
"raspberry pi",
"rp2040",
"SWD"
] | It’s fair to say that among the new product launches we see all the time, anything new from the folks at Raspberry Pi claims our attention. It’s not that their signature Linux single-board computers (SBCs) are necessarily the best or the fastest hardware on paper, but that they’re the ones with meaningful decade-plus s... | 35 | 15 | [
{
"comment_id": "6601746",
"author": "CJay",
"timestamp": "2023-02-21T12:54:39",
"content": "Functionally, yes, it’s “just” a Pico running Picoprobe, but did you see the picture of the board?It’s really rather different to a regular Pico, check the schematics too, there’s extra components including ... | 1,760,372,388.860853 | ||
https://hackaday.com/2023/02/21/exploring-the-history-of-eprom-in-the-soviet-union/ | Exploring The History Of EPROM In The Soviet Union | Chris Lott | [
"Retrocomputing"
] | [
"eprom",
"history",
"Soviet Union"
] | An
article on the history of EPROMs in the Soviet Union
by [Vladimir Yakovlev] over at
The CPU Shack Museum
caught our attention. It is part one of a series on the topic, and walks you through the earliest Soviet EPROMs families.
Early EPROM programmer using punched paper tape (Intel, Electronics Magazine 1971)
The fir... | 17 | 5 | [
{
"comment_id": "6601691",
"author": "Andrew",
"timestamp": "2023-02-21T10:01:27",
"content": "In Soviet Russia, UV erases you!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601787",
"author": "TimMcN",
"timestamp": "2023-02-21T14:54:36",
... | 1,760,372,389.098574 | ||
https://hackaday.com/2023/02/20/tidy-breadboard-uses-banana-bread/ | Tidy Breadboard Uses Banana Bread | Chris Lott | [
"Misc Hacks",
"Tool Hacks"
] | [
"banana jack",
"breadboard"
] | Self-described passionate maker in the electronics and 3D printing world, [Jakob], aka [testudor], was getting frustrated trying to connect banana plugs to solderless breadboards.
Project Banana Bread
was born — small banana jack adaptors and a companion tray with pockets to hold up to six modules.
The base in the phot... | 21 | 9 | [
{
"comment_id": "6601614",
"author": "Marcus",
"timestamp": "2023-02-21T06:16:00",
"content": "Love the quality of both the banana plug adapter board as well as the machined aluminium base (repo:https://github.com/testudor/modular-breadboard-base; @Chris Lott/editors: I think this would have been th... | 1,760,372,389.427813 | ||
https://hackaday.com/2023/02/22/all-about-usb-c-replying-low-level-pd/ | All About USB-C: Replying Low-Level PD | Arya Voronova | [
"Featured",
"how-to",
"Interest",
"Skills",
"Slider"
] | [
"Type-C",
"USB C",
"USB Type-C",
"USB-C PD"
] | Last time,
we configured the FUSB302 to receive USB PD messages
, and successfully received a “capability advertisement” message from a USB-C PSU. Now we crack the PD specification open, parse the message, and then craft a reply that makes the PSU give us the highest voltage available.
How did the buffer contents look,... | 31 | 9 | [
{
"comment_id": "6602302",
"author": "Nick",
"timestamp": "2023-02-22T15:17:54",
"content": "It’s a barrel jack and buck converter life for me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6602316",
"author": "Dan (No, the OTHER one)",
"timestamp": "... | 1,760,372,389.182238 | ||
https://hackaday.com/2023/02/22/reverse-engineering-the-apple-lightning-connector/ | Reverse Engineering The Apple Lightning Connector | Chris Lott | [
"iphone hacks",
"ipod hacks",
"Reverse Engineering"
] | [
"1-wire",
"apple",
"Apple Lightning Connector",
"logic analyzer",
"protocol",
"reverse engineering"
] | A frequent contributor to the hacker community, [stacksmashing] has prepared an excellent
instructional video on reverse engineering Apple’s Lighting connector
proprietary protocol. The video begins by showing how to gain physical access to the signals and hooking them up to a logic analyzer. He then notes that the han... | 7 | 6 | [
{
"comment_id": "6602299",
"author": "Target Disk",
"timestamp": "2023-02-22T15:14:31",
"content": "Can’t wait to hook up my Lightning AV adapter to my Linux box using things I learn from this video!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6602309",
... | 1,760,372,389.229069 | ||
https://hackaday.com/2023/02/22/electromagnetic-mechanism-makes-reconfigurable-antenna/ | Electromagnetic Mechanism Makes Reconfigurable Antenna | Al Williams | [
"Radio Hacks",
"Wireless Hacks"
] | [
"antenna",
"compliant mechanism"
] | Antennas are a key component to any RF gadget. But antennas often only perform well over a narrow band of frequencies. For some applications, this is acceptable, but often you would like to reconfigure an antenna for different bands. Researchers at Penn State say they’ve
developed a tunable antenna
using compliant mech... | 10 | 5 | [
{
"comment_id": "6602223",
"author": "alialiali",
"timestamp": "2023-02-22T12:05:34",
"content": "Looks like you need to adjust by hand.Impractical but could they have hooked up a servo and a VNA to tune in the fly?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,389.275894 | ||
https://hackaday.com/2023/02/21/let-machine-learning-code-an-infinite-variety-of-pong-games/ | Let Machine Learning Code An Infinite Variety OfPongGames | Dan Maloney | [
"Machine Learning"
] | [
"ai",
"generative",
"micropython",
"openai",
"OpenAI Codex",
"pong",
"prompt",
"Raspbery Pi Pico W'"
] | In a very real way,
Pong
started the video game revolution. You wouldn’t have thought so at the time, with its simple gameplay, rudimentary controls, some very low-end sounds, and a cannibalized TV for a display, but the legendarily stuffed coinboxes tell the tale. Fast forward 50 years or so, and
Pong
has been largely... | 7 | 3 | [
{
"comment_id": "6602120",
"author": "Ostracus",
"timestamp": "2023-02-22T06:21:37",
"content": "“In a very real way, Pong started the video game revolution.”No MUDS.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6602357",
"author": "irox",
... | 1,760,372,389.469294 | ||
https://hackaday.com/2023/02/21/tiny11-makes-windows-11-small/ | Tiny11 Makes Windows 11 Small | Al Williams | [
"Software Hacks"
] | [
"virtual machine",
"Windows 11"
] | If you often spin up a virtual machine just to run Windows, you might be sad that you have to allocate so much space for it. The
Tiny11
project provides a Windows 11 installer that strips and compresses a bare minimum system do under 8GB of space. We aren’t sure what the licensing aspects of it all mean, but there are ... | 81 | 19 | [
{
"comment_id": "6602072",
"author": "James",
"timestamp": "2023-02-22T03:12:48",
"content": "7GB is “Tiny” now./me remembers wistfully the full multi tasking OS on a single Amiga 3.5″ Floppy Disk.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6602078",
... | 1,760,372,389.587338 |
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