url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2022/10/26/kinetic-cyclic-scissors/ | Kinetic Cyclic Scissors | Abe Connelly | [
"Art"
] | [
"art",
"kinetic art",
"math"
] | [Henry Segerman] and [Kyle VanDeventer] merge math and mechanics to create a
kinetic cyclic scissors sculpture
out of 3D printed bars adjoined together with M3 bolts and nuts.
The kinetic sculpture can be thought of as a part of an infinite tiling of self similar quadrilaterals in the plane. The tiling of the plane by ... | 6 | 5 | [
{
"comment_id": "6525168",
"author": "Mr Name Required",
"timestamp": "2022-10-27T06:47:31",
"content": "Wonder if they’ve taken some inspiration from Kempe’s classic 1877 treatise ‘How to draw a straight line: a lecture on linkages’:https://archive.org/details/howtodrawstraigh00kemprich/page/42/mod... | 1,760,372,518.083684 | ||
https://hackaday.com/2022/10/26/cat9-and-lash-want-to-change-your-linux-command-line/ | Cat9 And LASH Want To Change Your Linux Command Line | Al Williams | [
"Linux Hacks"
] | [
"command line",
"linux"
] | It is no secret that to be a true Linux power user you have to deal with the command line. Many people actually prefer to use the command line. However, the shell — the program that provides that command line — is mired in a back history which means it has to work with existing things no matter how modern it tries to b... | 44 | 15 | [
{
"comment_id": "6525144",
"author": "Andrew",
"timestamp": "2022-10-27T03:34:06",
"content": "Is Cat9 from Outer Space?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6525162",
"author": "Mats",
"timestamp": "2022-10-27T05:58:07",
"c... | 1,760,372,518.372734 | ||
https://hackaday.com/2022/10/26/skull-lamp-illuminates-the-cyberpunk-future/ | Skull Lamp Illuminates The Cyberpunk Future | Navarre Bartz | [
"hardware",
"LED Hacks",
"Medical Hacks",
"Wearable Hacks"
] | [
"body mod",
"body modification",
"cyberpunk",
"flashlight",
"LED eye",
"prosthetic",
"prosthetic eye",
"skull lamp",
"titanium",
"wearable"
] | Cyberpunk is full of characters with cool body mods, and [bsmachinist] has made a
prosthetic eye flashlight
(TikTok) that is both useful and looks futuristic. [via
Reddit
]
[bsmachinist] has been machining titanium prosthetic eyes for over five years now, and this latest iteration, the Skull Lamp, has a high brightness... | 11 | 7 | [
{
"comment_id": "6525106",
"author": "Chris",
"timestamp": "2022-10-26T23:15:24",
"content": "Hey i tried making something like this! I discovered that things are a bit harder when you have both eyes….https://hackaday.io/project/164544-cyborg-eyeball-project",
"parent_id": null,
"depth": 1,
... | 1,760,372,518.28812 | ||
https://hackaday.com/2022/10/26/digital-hourglass-counts-down-the-seconds/ | Digital Hourglass Counts Down The Seconds | Adam Fabio | [
"clock hacks"
] | [
"clock",
"ferromagnetic",
"hourglass",
"iron filings",
"magnets"
] | If someone asked you to build a digital hourglass, what would your design look like? [
BitBlt_Korry] took on that challenge, creating a functional art piece that hits it right on the nose:
an hourglass with a digital display
.
Iron filings fall between two pieces of plexiglass while ghostly numbers appear, counting dow... | 20 | 9 | [
{
"comment_id": "6525071",
"author": "Jan",
"timestamp": "2022-10-26T20:32:31",
"content": "Extremely cool.Well done.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6525210",
"author": "Cesar Torres",
"timestamp": "2022-10-27T11:56:43",
... | 1,760,372,518.571847 | ||
https://hackaday.com/2022/10/26/2022-cyberdeck-contest-prototype-cyberdeck-is-anything-but-questionable/ | 2022 Cyberdeck Contest: Prototype Cyberdeck Is Anything But Questionable | Jenny List | [
"contests",
"Cyberdecks"
] | [
"2022 Cyberdeck Contest",
"cyberdeck",
"lcd",
"raspberry pi"
] | We see many projects here at Hackaday, about which their creators are unreasonably modest. We like a good cyberdeck, and we think [
betaraybiff
] is one of those creators from their project description for a
Prototype Cyberdeck of Questionable Practical Use
. It may be a prototype, but we think it could be quite a prac... | 5 | 5 | [
{
"comment_id": "6525050",
"author": "Ian Williams",
"timestamp": "2022-10-26T19:10:08",
"content": "It’s literally a cyberdeck contest…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6525059",
"author": "Ted",
"timestamp": "2022-10-26T19:40:46",
"... | 1,760,372,518.693939 | ||
https://hackaday.com/2022/10/26/2022-supercon-schedule-released-and-odd-jayy/ | 2022 Supercon: Schedule Released, And [Odd Jayy] | Elliot Williams | [
"Hackaday Columns",
"News"
] | [
"2022 Hackaday Prize",
"2022 Hackaday Supercon",
"badge hacking"
] | It’s finally time! We’ve put together the
2022 Supercon Schedule
, and you can check out all the talks, workshops, and events in one place – right now.
Badge hacking heating up (photo by
@hackerwarehouse
)
It all starts off with breakfast on Friday morning to power you up for a full day of badge hacking, workshops, and... | 14 | 9 | [
{
"comment_id": "6525037",
"author": "Wesley",
"timestamp": "2022-10-26T18:24:00",
"content": "Wow, I’m super disappointed that all of the workshops I wanted to attend were immediately sold out. These are the #1 reason I attend Supercon. I’m considering cancelling my tickets if I can get a refund fo... | 1,760,372,518.50969 | ||
https://hackaday.com/2022/10/26/flashing-booby-trapped-cisco-ap-with-openwrt-the-hard-way/ | Flashing Booby-Trapped Cisco AP With OpenWrt, The Hard Way | Arya Voronova | [
"how-to",
"Reverse Engineering"
] | [
"bricked",
"bricking",
"cisco",
"e-fuse",
"meraki",
"meraki mr33",
"openwrt",
"parallel flash"
] | Certain manufacturers seriously dislike open-source firmware for their devices,
and this particular hack
deals with quite extreme anti-hobbyist measures. The Meraki MR33, made by Cisco, is a nice access point hardware-wise, and
running OpenWrt on it
is wonderful – if not for the Cisco’s
malicious decision
to permanentl... | 48 | 13 | [
{
"comment_id": "6524967",
"author": "mime",
"timestamp": "2022-10-26T15:34:25",
"content": "yup, putting in a flexi connector instead of the 0.5 mm pins is clever.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6524973",
"author": "Alphatek",
... | 1,760,372,518.656288 | ||
https://hackaday.com/2022/10/26/robots-are-folding-laundry-but-they-suck-at-it/ | Robots Are Folding Laundry, But They Suck At It | Lewin Day | [
"Current Events",
"Featured",
"Robots Hacks",
"Slider"
] | [
"automation",
"clothes",
"folding laundry",
"laundry",
"laundry folding",
"robot",
"robotics"
] | Robots are used in all sorts of industries on a wide variety of tasks. Typically, it’s because they’re far faster, more accurate, and more capable than we are. Expert humans could not compete with the consistent, speedy output of a robotic welder on an automotive production line, nor could they as delicately coat the c... | 36 | 17 | [
{
"comment_id": "6524940",
"author": "Marvin",
"timestamp": "2022-10-26T14:15:11",
"content": "Imagining the caps at the shoulder joints as eyes makes it even funnier!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524949",
"author": "psuedonymous",
"... | 1,760,372,518.454202 | ||
https://hackaday.com/2022/10/26/fiber-laser-your-way-to-flexible-pcb-success/ | Fiber Laser Your Way To Flexible PCB Success! | Jenny List | [
"cnc hacks",
"Laser Hacks"
] | [
"fibre laser",
"flexible PCB",
"laser engraver"
] | It’s not often we feel that something we’re featuring is a genuinely new and groundbreaking technique, but a team from the University of Maryland’s Small Artifacts Lab may have done just that with their foldable and flexible PCBs
created using a fiber laser engraver
.
Laser engraving a PCB is nothing new, but they’ve t... | 10 | 6 | [
{
"comment_id": "6524900",
"author": "ono",
"timestamp": "2022-10-26T11:18:39",
"content": "“Fiber” laser only marginally describes the laser technology used. It just points that the light produced by the laser unit travels in an optical fiber to the tool head. The more correct designation is “fiber... | 1,760,372,518.819946 | ||
https://hackaday.com/2022/10/26/3d-printing-gets-small-in-a-big-way/ | 3D Printing Gets Small In A Big Way | Al Williams | [
"3d Printer hacks",
"News"
] | [
"3d printing",
"bioprinting",
"metamaterials",
"photolithography"
] | If you have a 3D printer in your workshop, you probably fret more about how to get bigger objects out of it. However, the University of Amsterdam has a new technique that allows for fast large-scale printing with sub-micron resolution. The technique is a hybrid of
photolithography and stereolithography
.
One of the pro... | 8 | 2 | [
{
"comment_id": "6524897",
"author": "stappers",
"timestamp": "2022-10-26T10:43:06",
"content": "Today I learnt that Lattice is not a name (of a manufactor), but a partially ordered set with unique least upper bounds and greatest lower bounds. Thanks again Wikipediahttps://en.wikipedia.org/wiki/Latt... | 1,760,372,518.861805 | ||
https://hackaday.com/2022/10/25/theremin-baguette-brings-new-meaning-to-breadboarding/ | Theremin Baguette Brings New Meaning To Breadboarding | Navarre Bartz | [
"Microcontrollers",
"Musical Hacks"
] | [
"bread",
"bread board",
"electronic instrument",
"music",
"musical instrument",
"theremin"
] | Theremins are a bit of an odd instrument to begin with, but [AphexHenry] decided to put one where no theremin has gone before:
into a baguette
.
The “baguetophone” is a theremin and piezo-percussion instrument inside a hollowed-out baguette. Starting with a
DIY theremin tutorial
from Academy of Media Arts Cologne, [Aph... | 5 | 2 | [
{
"comment_id": "6524901",
"author": "ono",
"timestamp": "2022-10-26T11:19:29",
"content": "A donut antenna would have do a better job.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6524955",
"author": "tinfish",
"timestamp": "2022-10-26T14:... | 1,760,372,518.909454 | ||
https://hackaday.com/2022/10/25/the-300000-3d-printed-car/ | The $300,000 3D Printed Car | Al Williams | [
"3d Printer hacks",
"car hacks"
] | [
"Cadillac",
"electric vehicle"
] | We’ve noticed an uptick in cars–especially pricey ones–using 3D-printed parts. However, these are usually small and nonstructural parts with a few exceptions. This isn’t the case with the 2024 Cadillac Celestiq. The $300,000 luxury electric vehicle boasts
115 3D-printed parts
, according to a post on [TheDrive].
It app... | 25 | 9 | [
{
"comment_id": "6524837",
"author": "Michael Black",
"timestamp": "2022-10-26T02:16:52",
"content": "Is it made of concrete? Fifty years ago there was an interest in ferro cement boats.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524839",
"author": "... | 1,760,372,519.036296 | ||
https://hackaday.com/2022/10/25/using-google-calendar-for-machines-to-keep-track-of-human-days/ | Using Google Calendar For Machines To Keep Track Of Human Days | Danie Conradie | [
"Software Hacks"
] | [
"google calendar",
"javascript",
"timing"
] | Daily triggers for automation are simple in theory, unless it needs to keep track of the calendar that humans actually live by. Seasonal changes, shifting public holidays, or just being on vacation are all exceptions you may need to account for. [Jeremy Rode] likes using Google Calendar to stay on top of events, so he ... | 10 | 5 | [
{
"comment_id": "6524903",
"author": "Peter",
"timestamp": "2022-10-26T11:48:36",
"content": "I despise making myself vulnerable by too much internetting.These days state-sized adversaries can erase pipelines, so why will they spare glassfibre cables? Or cellphone stations?For such purposes I use re... | 1,760,372,519.080318 | ||
https://hackaday.com/2022/10/25/less-is-more-when-it-comes-to-sensor-power/ | Less Is More When It Comes To Sensor Power | Al Williams | [
"Microcontrollers"
] | [
"embedded systems",
"energy harvesting"
] | It used to be the cost of a microcontroller was a big inhibitor to putting brains in everything, but those days are long gone. Even 32-bit CPUs are now cheap enough that you can throw them into anything. The biggest factor now is probably power. Do you really want to charge your electric toilet seat or change batteries... | 26 | 10 | [
{
"comment_id": "6524773",
"author": "hinspect",
"timestamp": "2022-10-25T20:09:45",
"content": "That would be ideal for water leak detectors!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524775",
"author": "zog",
"timestamp": "2022-10-25T20:27:43",... | 1,760,372,519.197654 | ||
https://hackaday.com/2022/10/25/cyberdeck-contest-2022-gibson-rev-001-thinks-outside-the-pelican-case/ | Cyberdeck Contest 2022: Gibson Rev 001 Thinks Outside The Pelican Case | Kristina Panos | [
"contests",
"Cyberdecks"
] | [
"2022 Cyberdeck Contest",
"e-ink",
"pelican case",
"Raspberry Pi 4"
] | As we’ve gushed previously in these pages, we saw an incredible turnout for our first-ever cyberdeck contest — so many cool ‘decks rolled in that it made judging them all quite the feat, and we would be remiss if we didn’t feature the favorites that, for whatever reason, didn’t make the cut. One of these is the aptly-n... | 5 | 5 | [
{
"comment_id": "6524874",
"author": "concretedog",
"timestamp": "2022-10-26T07:49:15",
"content": "You missed the best bit! Its got a symbiotic Pwnagotchi built in!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524976",
"author": "The Commenter Formerly... | 1,760,372,519.133088 | ||
https://hackaday.com/2022/10/25/2022-hackaday-supercon-joe-kingpin-grand-keynote-and-workshops-galore/ | 2022 Hackaday Supercon: Joe [Kingpin] Grand Keynote And Workshops Galore | Elliot Williams | [
"cons",
"Hackaday Columns"
] | [
"2022 Hackaday Supercon",
"cellphone",
"extravaganza",
"hacking",
"joe grand",
"keynote",
"radio",
"workshops"
] | It’s our great pleasure to announce that Joe [Kingpin] Grand is going to be our keynote speaker at the
2022 Supercon!
If you don’t know Joe, he’s a hacker’s hacker. He’s
behind the earliest DEFCON electronic badges
, to which we can trace our modern #badgelife creative culture. He was at the
l0pht
when it became the mo... | 5 | 3 | [
{
"comment_id": "6524737",
"author": "fid",
"timestamp": "2022-10-25T17:27:44",
"content": "Will any of the workshops happen at the same time? I don’t see the one about RTOS, and there is one listed for Paul Beech, not listed here.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,519.608784 | ||
https://hackaday.com/2022/10/25/build-your-own-concrete-3d-printer/ | Build Your Own Concrete 3D Printer | Al Williams | [
"3d Printer hacks"
] | [
"Concrete Printer"
] | We didn’t notice [Nikita]’s post about
building a concrete 3D printer
, a few months ago, but the idea seems sound: build a basic CNC XY axis and then add a mortar pump and hose to deposit concrete. The video, below, shows the machine in operation.
While it looks interesting, there is essentially no real Z-axis, so thi... | 19 | 8 | [
{
"comment_id": "6524714",
"author": "metalman",
"timestamp": "2022-10-25T15:42:13",
"content": "its grout,not concrete,which has agregate(rocks)grout has no real monolithic strength",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6524718",
"author": ... | 1,760,372,520.369971 | ||
https://hackaday.com/2022/10/25/mastercards-new-card-safer-from-quantum-attacks/ | Mastercard’s New Card: Safer From Quantum Attacks? | Lewin Day | [
"Current Events",
"Featured",
"Interest",
"Security Hacks",
"Slider"
] | [
"card",
"credit card",
"debit card",
"payment card",
"post-quantum cryptography",
"quantum computer",
"quantum cryptography"
] | Quantum computers present a unique threat to many aspects of modern information technology. In particular, many cryptographic systems could be at risk of compromise in the event a malicious actor came into possession of a capable quantum computer.
Mastercard is intending to stay ahead of the game in this regard. It has... | 28 | 5 | [
{
"comment_id": "6524692",
"author": "Frankel",
"timestamp": "2022-10-25T14:10:54",
"content": "I think someone as rich as to afford a quantum computer with more than 8192 working stable cubits (impossible right now) might not need my pittance of a low grade academic :)But I appreciate SSH for examp... | 1,760,372,519.889638 | ||
https://hackaday.com/2022/10/25/scripting-coils-for-pcb-motors/ | Scripting Coils For PCB Motors | Jenny List | [
"Parts",
"Software Hacks"
] | [
"inductor",
"KiCAD",
"PCB inductor"
] | PCB inductors are a subject that has appeared here at Hackaday many times, perhaps most notably in the electromagnetic exploits of [Carl Bugeja]. But there is still much to be learned in the creation of the inductors themselves, and [atomic14] has recently been investigating their
automatic creation through scripting
.... | 12 | 5 | [
{
"comment_id": "6524646",
"author": "Gravis",
"timestamp": "2022-10-25T11:32:01",
"content": "What a wonderful and helpful script!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524663",
"author": "jpa",
"timestamp": "2022-10-25T12:25:38",
"conte... | 1,760,372,519.731735 | ||
https://hackaday.com/2022/10/25/flight-simulator-focuses-on-the-other-side-of-the-cockpit-door/ | Flight Simulator Focuses On The Other Side Of The Cockpit Door | Dan Maloney | [
"Transportation Hacks"
] | [
"airliner",
"arrival",
"ESP32",
"flight simulator",
"landing",
"omxplayer",
"passenger",
"Raspberry Pi Zero"
] | When one thinks of getting into a flight simulator, one assumes that it’ll be from the pilot’s point of view. But
this alternative flight simulator
takes a different tack, by letting you live out your air travel fantasies from the passenger’s point of view.
Those of you looking for a full-motion simulation of the passe... | 22 | 14 | [
{
"comment_id": "6524605",
"author": "Duderino",
"timestamp": "2022-10-25T08:23:19",
"content": "It’s missing the seat in front crushing your legs and the crying baby in the row behind. Build those in then shut up and take my money.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,519.815194 | ||
https://hackaday.com/2022/10/24/one-of-the-worst-keyboards-ever-now-an-arduino-peripheral/ | One Of The Worst Keyboards Ever, Now An Arduino Peripheral | Jenny List | [
"Arduino Hacks",
"Peripherals Hacks"
] | [
"arduino",
"memberane keyboard",
"zx81"
] | For British kids of a certain age, their first experience of a computer was very likely to have been in front of a Sinclair ZX81. The lesser-known predecessor to the wildly-successful ZX Spectrum, it came in at under £100 and sported a Z80 processor and a whopping 1k of memory. In the long tradition of Sinclair product... | 39 | 19 | [
{
"comment_id": "6524613",
"author": "Taper",
"timestamp": "2022-10-25T08:38:55",
"content": "Folks from the US of a similar age may remember this as from the Timex Sinclair 1000. I’ve never been entirely clear on why Timex wanted their own home computer, or why they thought a rebadged ZX81 (with do... | 1,760,372,520.013693 | ||
https://hackaday.com/2022/10/24/simulating-temperature-in-vr-apps-with-trigeminal-nerve-stimulation/ | Simulating Temperature In VR Apps With Trigeminal Nerve Stimulation | Dan Maloney | [
"Virtual Reality"
] | [
"capsaicin",
"eucalyptol",
"olfactory",
"simulation",
"stimulation",
"trigeminal nerve",
"Vive",
"vr"
] | Virtual reality systems are getting better and better all the time, but they remain largely ocular and auditory devices, with perhaps a little haptic feedback added in for good measure. That still leaves 40% of the five canonical senses out of the mix, unless of course
this trigeminal nerve-stimulating VR accessory
cat... | 10 | 5 | [
{
"comment_id": "6524554",
"author": "not.wackaday.com",
"timestamp": "2022-10-25T02:20:15",
"content": "This will obviously never be used for anything remotely related to adult human sexuality or intimacy, right?Also, one should ask the kinkier community what senses TENS, well, simulates because it... | 1,760,372,519.934931 | ||
https://hackaday.com/2022/10/23/errf-22-baby-belt-promises-infinite-z-for-under-200/ | ERRF 22: Baby Belt Promises Infinite Z For Under $200 | Tom Nardi | [
"3d Printer hacks",
"cons"
] | [
"28BYJ",
"belt printer",
"ERRF 22",
"infinite build volume"
] | Hackaday has been reporting on belt printers for around a decade now, since MakerBot released (and then quickly pulled) an automated build platform for their very first Cupcake printer. Turns out that not only has the concept been difficult to pull off from a technical perspective, but a murky patent situation made it ... | 20 | 6 | [
{
"comment_id": "6523990",
"author": "Raster",
"timestamp": "2022-10-23T09:17:29",
"content": "Lovely!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524074",
"author": "Autodrop3d (@autodrop3d)",
"timestamp": "2022-10-23T16:04:31",
"content": "... | 1,760,372,520.137247 | ||
https://hackaday.com/2022/10/22/building-a-local-network-with-lorawan/ | Building A Local Network With LoRaWAN | Bryan Cockfield | [
"Network Hacks"
] | [
"chirpstack",
"gateway",
"internet of things",
"IoT",
"long range",
"LoRa",
"LoRaWAN",
"networking",
"wan"
] | At its core, the Internet is really just a bunch of computers networked together. There’s no reason that there can’t be other separate networks of computers, or that we all have to tie every computer we have to The One Internet To Rule Them All. In fact, for a lot of embedded systems, it doesn’t make much sense to give... | 40 | 10 | [
{
"comment_id": "6523992",
"author": "Frankel",
"timestamp": "2022-10-23T09:23:49",
"content": "Makes me wish it would be possible to put antennas on the tallest 2 buildings of my town and create a LoRaWAN for all citizens. It is a small city and would work, but I doubt there would be much interest ... | 1,760,372,520.215614 | ||
https://hackaday.com/2022/10/22/the-commodordion-turns-two-c64s-into-a-single-instrument/ | The Commodordion Turns Two C64s Into A Single Instrument | Robin Kearey | [
"Musical Hacks",
"Retrocomputing"
] | [
"accordion",
"commodore 64",
"Commodore SID",
"musical instruments"
] | One of the main reasons the Commodore 64 became an icon of the 1980s was its MOS 6581 “SID” sound chip that gave it audio capabilities well beyond those of other microcomputers of the 8-bit era. The SID became something of a legend by itself among chiptune enthusiasts, and several electronic instruments have been desig... | 16 | 10 | [
{
"comment_id": "6523942",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-23T02:15:24",
"content": "Easier to build*, much harder to play!*If you already have C64s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523948",
"auth... | 1,760,372,520.074351 | ||
https://hackaday.com/2022/10/22/2022-cyberdeck-contest-qaz-personal-terminal/ | 2022 Cyberdeck Contest: QAZ Personal Terminal | Navarre Bartz | [
"contests",
"Cyberdecks"
] | [
"2022 Cyberdeck Contest",
"35% keyboard",
"4:1",
"4:1 LCD",
"Banana Pi",
"cyberdeck",
"equations",
"math input",
"QAZ keyboard",
"slab",
"slabtop",
"waveshare 7.9"
] | The slabtop form factor has had a resurgence in the cyberdeck community, and [
Greg Leo
] has designed the
QAZ Personal Terminal
to be about as small as a slabtop could be while still having full-sized keys.
Since the device is using a 35% QAZ keyboard as its primary input device, [Leo] has helpfully given a quick over... | 9 | 4 | [
{
"comment_id": "6523929",
"author": "Redhatter (VK4MSL)",
"timestamp": "2022-10-23T00:32:04",
"content": "I see you’d have some fun minding your P’s and Q’s with that keyboard until you got used to it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523943"... | 1,760,372,520.419099 | ||
https://hackaday.com/2022/10/22/when-elon-says-no-just-reverse-engineer-the-starlink-signal/ | When [Elon] Says No, Just Reverse Engineer The Starlink Signal | Dan Maloney | [
"Reverse Engineering"
] | [
"global positioning",
"gps",
"ku-band",
"ofdm",
"orthogonal frequency division multiplexing",
"reverse engineering",
"Starlink",
"synchronization"
] | We all know that it’s sometimes better to beg forgiveness than ask permission to do something, and we’ll venture a guess that more than a few of us have taken that advice to heart on occasion. But [Todd Humphreys] got the order of operations a bit mixed up with his attempt to
leverage the Starlink network as a backup t... | 37 | 3 | [
{
"comment_id": "6523885",
"author": "Frankel",
"timestamp": "2022-10-22T20:17:10",
"content": "This guy has a lot of fans and enemies, it’s absolutely inane. I remember when they shifted from “don’t buy twitter” to “you must buy twitter”. Their sole opinion is to be contrarians now of what Elon wan... | 1,760,372,520.609536 | ||
https://hackaday.com/2022/10/22/velomobile-gets-electric-assist/ | Velomobile Gets Electric Assist | Bryan Cockfield | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"ebike",
"kit",
"speed",
"torque sensing",
"tsdz2",
"velomobile"
] | What do you get when you throw all accepted bicycle designs out the window and start fresh? Well, it might look a bit like [Saukki’s]
velomobile
.
Most bikes come in a fairly standard, instantly-recognizable shape which has been popular for over a century now. While it’s a vast improvement over its predecessor, the pen... | 37 | 5 | [
{
"comment_id": "6523863",
"author": "Andy Pugh",
"timestamp": "2022-10-22T17:32:30",
"content": "The 1ph limit only applies if you don’t want to register it as a motorcycle. If you do that, it’s fine.(Or do I have been led to believe)",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,520.530223 | ||
https://hackaday.com/2022/10/22/retrofitting-robots/ | Retrofitting Robots | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Robots Hacks",
"Slider"
] | [
"automation",
"newsletter",
"robot"
] | Al Williams
wrote up a neat thought piece
on why we are so fascinated with robots that come in the shape of people, rather than robots that come in the shape of whatever it is that they’re supposed to be doing. Al is partly convinced that sci-fi is partly responsible, and that it shapes people’s expectations of what ro... | 27 | 10 | [
{
"comment_id": "6523836",
"author": "Winchell Chung",
"timestamp": "2022-10-22T14:28:57",
"content": "There is science fiction about a world where humanoid robots were developed first but were later replaced by purpose built robots. Anthony Boucher’s short stories Q.U.R. and Robinc.https://www.isfd... | 1,760,372,520.739436 | ||
https://hackaday.com/2022/10/23/diy-arduino-hearing-test-device/ | DIY Arduino Hearing Test Device | Dave Walker | [
"Arduino Hacks",
"Medical Hacks"
] | [
"arduino",
"audiometer",
"hearing",
"hearing loss",
"oled",
"rotary encoder",
"ws2812"
] | Hearing loss is a common problem for many – especially those who may have attended too many loud concerts in their youth. [mircemk] had recently been for a hearing test, and noticed that the procedure was actually quite straightforward. Armed with this knowledge,
he decided to build his own test system
and document it ... | 18 | 4 | [
{
"comment_id": "6524218",
"author": "Michael Black",
"timestamp": "2022-10-24T05:08:09",
"content": "Doesn’t someone who tries to self-diagnose have a fool as a doctor?Will this be followed up by a homebuilt hearing aid?",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,520.667413 | ||
https://hackaday.com/2022/10/23/sight-and-sound-combine-in-this-engaging-synthesizer-sculpture/ | Sight And Sound Combine In This Engaging Synthesizer Sculpture | Dan Maloney | [
"Musical Hacks"
] | [
"12AU7",
"audio",
"Circuit Sculpture",
"ESP32",
"generative",
"OverDrive",
"sequencer",
"synthesizer"
] | We’ll always have a soft spot for circuit sculpture projects; anything with components supported on nice tidy rows of brass wires always captures our imagination. But add to that a little bit of light and a lot of sound, and you get something like
this hybrid synthesizer sculpture
that really commands attention.
[Eirik... | 2 | 1 | [
{
"comment_id": "6524363",
"author": "CRJEEA",
"timestamp": "2022-10-24T15:13:02",
"content": "This seems like it’s best use might be to record this machine constantly, then listen to the output and when you hear something awesome, you store it and deconstruct it so you can insert it into your own m... | 1,760,372,520.947131 | ||
https://hackaday.com/2022/10/23/hackaday-links-october-23-2022/ | Hackaday Links: October 23, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"AirTag",
"anosmia",
"cern",
"COVID",
"cryogenic",
"DFW",
"energy crisis",
"global positioning",
"gps",
"hackaday links",
"jamming",
"lhc",
"Lufthansa",
"olfactory",
"outage",
"prosthetic"
] | There were strange doings this week as Dallas-Forth Worth Airport in Texas experienced
two consecutive days of GPS outages
. The problem first cropped up on the 17th, as the Federal Aviation Administration sent out an automated notice that GPS reception was “unreliable” within 40 nautical miles of DFW, an area that inc... | 21 | 5 | [
{
"comment_id": "6524192",
"author": "Ostracus",
"timestamp": "2022-10-24T01:17:58",
"content": "Smell indeed is a very interesting thing.https://www.quantamagazine.org/ai-model-links-smell-molecules-with-metabolic-processes-20221010/",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,523.165317 | ||
https://hackaday.com/2022/10/23/look-inside-this-meditation-headband-and-integrate-it-into-your-own-projects/ | Look Inside This “Meditation Headband” And Integrate It Into Your Own Projects | Donald Papp | [
"Teardown",
"Wearable Hacks"
] | [
"biofeedback",
"brainflow",
"meditation",
"muse",
"teardown"
] | Muse makes a variety of wearable devices aimed at measuring brain and body activity, and [Becky Stern] did
a detailed teardown of the Muse S model
, revealing what goes on inside the device.
The Muse S is a soft, sleep-friendly biofeedback wearable mounted on silver-plated fabric. Not only does [Becky] tear it down, bu... | 10 | 4 | [
{
"comment_id": "6524213",
"author": "bemusedHorseman",
"timestamp": "2022-10-24T04:29:09",
"content": "Just mind the output voltages, especially if it’s intended for sleeptime use. Don’t want to give anyone beefbrain…",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,372,521.086435 | ||
https://hackaday.com/2022/10/23/design-your-own-chip-with-tinytapeout/ | Design Your Own Chip With TinyTapeout | Arya Voronova | [
"hardware",
"how-to"
] | [
"ASIC",
"Chip Scale Package",
"custom silicon",
"fab",
"silicon design",
"tinytapeout"
] | When hackers found and developed ways to order PCBs on the cheap, it revolutionized the way we create. Accessible 3D printing brought us entire new areas to create things. [Matt Venn] is one of the people at the forefront of hackers designing our own silicon, and we’ve covered plenty of his research over the years. His... | 45 | 12 | [
{
"comment_id": "6524087",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-23T17:11:59",
"content": "“using on-breakout DIP switches”On-board breakout DIP switches?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6524097",
"auth... | 1,760,372,521.035658 | ||
https://hackaday.com/2022/10/23/protected-mode-on-a-z80-almost/ | Protected Mode On A Z80! (Almost) | Jenny List | [
"Retrocomputing",
"Reverse Engineering"
] | [
"8-bit CPU",
"protected mode",
"z80"
] | The microprocessor feature which probably most enables the computing experience we take for granted today is protected mode. A chip with the required hardware can run individual software processes in their own environments, enabling multitasking and isolation between processes. Older CPUs lacked this feature, meaning t... | 27 | 7 | [
{
"comment_id": "6524059",
"author": "jpa",
"timestamp": "2022-10-23T14:45:54",
"content": "Memory protection is less important than the virtual memory mapping aspect of protected mode execution. Though I guess even that is just a few chips away, you could e.g. stick in an SRAM chip that maps the hi... | 1,760,372,521.210468 | ||
https://hackaday.com/2022/10/23/diy-heat-set-insert-press-says-complicated-comfort/ | DIY Heat-Set Insert Press Says Complicated = Comfort | Donald Papp | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printed",
"diy",
"heat set inserts",
"threaded inserts",
"tools"
] | Heat-set inserts are a great way to embed mechanically-strong, threaded parts into a 3D print. For installation, all that is required is an economical soldering iron; something most of us already have.
The carriage and counterweight use a v-wheel gantry, GT2 belt, and other common hardware.
That’s fine for a handful of... | 17 | 6 | [
{
"comment_id": "6524025",
"author": "nmhois",
"timestamp": "2022-10-23T12:00:04",
"content": "A Juicero moment. A simple arbor press could be recycled when it reaches its end-of-life (unlikely) or is not needed anymore. This just generated quite a bit of plastic waste.",
"parent_id": null,
... | 1,760,372,521.14463 | ||
https://hackaday.com/2022/10/22/trying-to-build-the-worlds-fastest-roomba/ | Trying To Build The World’s Fastest Roomba | Lewin Day | [
"Misc Hacks",
"Robots Hacks"
] | [
"roomba"
] | A lot of people complain that Roombas are unreliable, poor at their job, or just plain annoying. Few people complain they’re not fast enough in a straight line. Regardless, [electrosync] set about building the world’s fastest Roomba
for his own personal satisfaction.
For this challenge, [electrosync] set his own rules.... | 7 | 3 | [
{
"comment_id": "6523817",
"author": "NotThatDan",
"timestamp": "2022-10-22T11:40:34",
"content": "I must have been lucky for once. I am into my second roomba with no issues at all. The first one is still working fine but the NiMh battery gave up after running a daily schedule for five years. When I... | 1,760,372,521.255796 | ||
https://hackaday.com/2022/10/22/lego-plays-electronic-drums/ | Lego Plays Electronic Drums | Danie Conradie | [
"Musical Hacks"
] | [
"drum machine",
"lego",
"rapid prototyping"
] | The ability to quickly try out an idea, and then expand and develop it, is what rapid prototyping is all about. Although we tend to think of 3D printing when rapid prototyping is mentioned, [Brick Technology] reminds us of the power of Lego, as he rapidly
builds and improves an electromechanical drum machine
.
Using Le... | 15 | 6 | [
{
"comment_id": "6523820",
"author": "Rpol",
"timestamp": "2022-10-22T11:57:10",
"content": "Absolutely Brilliant!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523833",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-22T13:57:... | 1,760,372,521.459763 | ||
https://hackaday.com/2022/10/21/build-this-halloween-themed-tenseggrity-sculpture/ | Build This Halloween-Themed TensEGGrity Sculpture | Lewin Day | [
"3d Printer hacks",
"Holiday Hacks"
] | [
"3d print",
"halloween",
"tensegrity"
] | Tensegrity sculptures are fun things, and often sold as office desk toys or scientific novelties. You can build your own too,
and [seabirdhh] has whipped up a fun holiday-themed version.
The first part to build is the egg-hat-stand. This consists of the base of the structure, with the “hat” of the egg character hanging... | 5 | 2 | [
{
"comment_id": "6523766",
"author": "echodelta",
"timestamp": "2022-10-22T05:28:45",
"content": "Eggcelent! Egglant…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523788",
"author": "lj",
"timestamp": "2022-10-22T08:46:32",
"conten... | 1,760,372,521.369705 | ||
https://hackaday.com/2022/10/21/direction-finding-with-help-from-the-steam-deck/ | Direction-Finding With Help From The Steam Deck | Bryan Cockfield | [
"Radio Hacks"
] | [
"df-aggregator",
"direction finding",
"fox hunt",
"ham",
"sdr",
"software-defined radio",
"steam deck"
] | Direction-finding, or fox hunting, is a popular activity in ham radio circles where a group of people armed with radios attempt to locate a broadcasting source. Besides being a hobby for amateurs, it’s also a necessary tool in the belt of regulators who are attempting to track down violators of the air space. There are... | 6 | 2 | [
{
"comment_id": "6523795",
"author": "Folkert",
"timestamp": "2022-10-22T09:51:02",
"content": "I am watching the video, but wondering how it works and what exactly I am looking at.What are the constantly moving lines (which for a brief time seem to converge towards the target)?And how doe it work? ... | 1,760,372,521.412258 | ||
https://hackaday.com/2022/10/21/neodriver-ornament-brightens-up-christmas/ | Neodriver Ornament Brightens Up Christmas | Lewin Day | [
"ATtiny Hacks",
"Holiday Hacks"
] | [
"christmas tree",
"led",
"tree",
"ws2812b"
] | Stores will sell you all kinds of gaudy holiday ornaments, but there’s nothing like the style and class achieved by building your own. [w3arycod3r] did just that,
whipping up the fun and festive Neodriver Ornament.
It’s a battery-powered build, and runs off an rechargeable 18650 cell which provides several days of oper... | 11 | 5 | [
{
"comment_id": "6523703",
"author": "Orzel",
"timestamp": "2022-10-21T23:14:49",
"content": "It’s very hard to find attiny85 those days. Only the sop/soic package is (barely) available.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523732",
"autho... | 1,760,372,521.614463 | ||
https://hackaday.com/2022/10/21/errf-22-recreator-3d-turns-trash-into-filament/ | ERRF 22: Recreator 3D Turns Trash Into Filament | Tom Nardi | [
"cons",
"green hacks"
] | [
"3d printer filament",
"ERRF 22",
"filament extruder",
"pet",
"recycling"
] | In
Back to the Future
, Doc Brown returns to 1985 with a version of his DeLorean time machine that has been modified with technology from the future. After telling Marty they need to go on yet another adventure, Doc recharges the DeLorean’s flux capacitor and time circuits by tossing pieces of garbage into the slick Mr... | 30 | 13 | [
{
"comment_id": "6523667",
"author": "aamott",
"timestamp": "2022-10-21T21:01:15",
"content": "I actually really wanted to build one of these but didn’t want to go through the hassle (and cost) of buying a whole Ender 3. It felt overkill to me to run an entire Marlin system when I had all the parts ... | 1,760,372,521.786634 | ||
https://hackaday.com/2022/10/21/hackaday-prize-2022-recycled-plastic-skateboard-decks-demonstrate-small-scale-injection-molding/ | Hackaday Prize 2022: Recycled Plastic Skateboard Decks Demonstrate Small-Scale Injection Molding | Danie Conradie | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2022 Hackaday Prize",
"injection molding",
"Precious Plastic",
"skateboard"
] | Injection molding is usually focused on high-volume production, but that doesn’t always need to be the case. The
Recycled Plastic Skateboard Deck project
centers on the use of injection molding for a relatively low-volume production line using open-source tooling.
RPSD is part of the
Precious Plastics
ecosystem and use... | 25 | 12 | [
{
"comment_id": "6523637",
"author": "Nick",
"timestamp": "2022-10-21T18:35:40",
"content": "But is it 7-ply, cross-grain? lol Make it out of clear wood next time just for shits and giggles.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523713",
"a... | 1,760,372,522.150409 | ||
https://hackaday.com/2022/10/24/plumbing-valves-as-heavy-duty-analog-inputs/ | Plumbing Valves As Heavy Duty Analog Inputs | Navarre Bartz | [
"Arduino Hacks",
"Art",
"hardware",
"LED Hacks",
"Microcontrollers",
"Misc Hacks"
] | [
"arduino",
"escape room",
"inputs",
"led",
"museum exhibit",
"odd inputs",
"photosensor",
"plumbing",
"plumbing valve",
"unusual inputs",
"water valve"
] | Input devices that can handle rough and tumble environments aren’t nearly as varied as their more fragile siblings. [Alastair Aitchison] has devised a brilliant way of
detecting inputs from plumbing valves
that opens up another option. (YouTube) [via
Arduino Blog
]
While [Aitchison] could’ve run the plumbing valves wit... | 36 | 12 | [
{
"comment_id": "6524513",
"author": "SteveEh",
"timestamp": "2022-10-24T23:17:11",
"content": "Simple, elegant, well explained, and easy to implement",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6524543",
"author": "Mike",
"timestamp": "20... | 1,760,372,521.99194 | ||
https://hackaday.com/2022/10/24/reversing-shorts-demystify-phone-security/ | “Reversing Shorts” Demystify Phone Security | Elliot Williams | [
"Cellphone Hacks",
"Security Hacks"
] | [
"apple",
"cell phone",
"os",
"reverse engineering"
] | Ever wonder what makes a cellphone’s operating system secure, or what that app you just installed is saying about you behind your back? In a
brand new video series
, [Jiska] gives us a peek into different topics in smartphone software reverse engineering.
For instance,
her latest video
, embedded below takes us through... | 3 | 1 | [
{
"comment_id": "6524490",
"author": "sudos",
"timestamp": "2022-10-24T21:19:39",
"content": "“including AirBuds”you meant AirPods, right?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6524495",
"author": "Dj Biohazard",
"timestamp": "2022-1... | 1,760,372,522.186758 | ||
https://hackaday.com/2022/10/24/bare-metal-stm32-setting-up-and-using-spi/ | Bare-Metal STM32: Setting Up And Using SPI | Maya Posch | [
"Hackaday Columns",
"Microcontrollers",
"Slider",
"Software Development"
] | [
"spi",
"stm32"
] | The Serial Peripheral Interface (SPI) interface was initially standardized by Motorola in 1979 for short-distance communication in embedded systems. In its most common four-wire configuration, full-duplex data transfer is possible on the two data (MOSI, MISO) lines with data rates well exceeding 10 Mb/s. This makes SPI... | 52 | 16 | [
{
"comment_id": "6524428",
"author": "X",
"timestamp": "2022-10-24T17:19:03",
"content": "STM32 USART devices can also be used as SPI master.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524437",
"author": "Artenz",
"timestamp": "2022-10-24T18:07:02... | 1,760,372,522.088503 | ||
https://hackaday.com/2022/10/24/get-clear-insights-into-cloudy-water-with-the-open-colorimeter/ | Get Clear Insights Into Cloudy Water With The Open Colorimeter | Abe Connelly | [
"Science"
] | [
"analytical chemistry",
"colorimeter",
"cuvettes",
"science"
] | A basic scientific tool for chemistry and biology is a colorimeter device used to measure which wavelengths of light a particular sample solution absorbs. Some applications of colorimeters are measuring pH or chlorine levels, measuring pollutants, such as oil or pesticides, and, in some cases, can even be used to measu... | 4 | 3 | [
{
"comment_id": "6524440",
"author": "Reluctant Cannibal",
"timestamp": "2022-10-24T18:16:00",
"content": "Looks like a very useful bit of kit IMO.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6524456",
"author": "Les Wright",
"timestamp": "2022-10-2... | 1,760,372,522.688202 | ||
https://hackaday.com/2022/10/24/dancers-now-help-power-glasgow-nightclub/ | Dancers Now Help Power Glasgow Nightclub | Lewin Day | [
"Engineering",
"Featured",
"Interest",
"Slider"
] | [
"club",
"dance",
"dance club",
"dancing",
"energy storage",
"geothermal",
"Heat pump",
"night club",
"nightclub"
] | Humanity thus far has supplied most of its electricity needs by burning stuff, mostly very old stuff that burns great but is hard to replace. That stuff is getting increasingly expensive, and the pollution is a bother too, so renewable sources of energy are becoming more popular.
While wind or solar power are commonly ... | 60 | 15 | [
{
"comment_id": "6524339",
"author": "sweethack",
"timestamp": "2022-10-24T14:08:11",
"content": "There’s a fallacy here where you expect to save 70t of CO2 by not using gas to heat the room. The human efficiency to produce heat is so low compared to gas that you’ll end up consuming (and releasing) ... | 1,760,372,522.994327 | ||
https://hackaday.com/2022/10/24/how-the-art-generating-ai-of-stable-diffusion-works/ | How The Image-Generating AI Of Stable Diffusion Works | Donald Papp | [
"Art",
"Artificial Intelligence",
"Machine Learning"
] | [
"ai",
"art",
"art generator",
"machine learning",
"stable diffusion"
] | [Jay Alammar] has put up
an illustrated guide to how Stable Diffusion works
, and the principles in it are perfectly applicable to understanding how similar systems like OpenAI’s Dall-E or Google’s Imagen work under the hood as well. These systems are probably best known for their amazing ability to turn text prompts (... | 40 | 7 | [
{
"comment_id": "6524298",
"author": "Dab",
"timestamp": "2022-10-24T11:36:14",
"content": "As exciting as new technology is, this presents dangers which need to be addressed. It can be used to produce abusive and even illegal images, as well as those which may prove politically subversive. It reaso... | 1,760,372,522.891634 | ||
https://hackaday.com/2022/10/24/diy-bike-wheels-welded-with-rebar/ | DIY Bike Wheels Welded With Rebar | Lewin Day | [
"Transportation Hacks"
] | [
"bike",
"spoke",
"tricycle",
"trike",
"wheel",
"wheels"
] | [Liebregts] is working on a trike design, and needed a pair of wheels to go up front. Regular bicycle wheels wouldn’t do, as they’re not designed to work with a single-sided support. They also wanted to be able to mount disc brakes. Thus, they set about
building a set of custom wheels to do the job.
The build began wit... | 43 | 19 | [
{
"comment_id": "6524264",
"author": "Blerik",
"timestamp": "2022-10-24T09:20:49",
"content": "Bike spokes are under tension. Steel is very good under tension. These spokes are under compression / torsion. So I’m not sure about them being ‘much stronger’…",
"parent_id": null,
"depth": 1,
... | 1,760,372,522.782282 | ||
https://hackaday.com/2022/10/21/new-venue-gives-philly-maker-faire-a-fresh-start/ | New Venue Gives Philly Maker Faire A Fresh Start | Tom Nardi | [
"cons",
"Featured",
"Interest",
"Slider"
] | [
"2022 Philadelphia Maker Faire",
"maker faire"
] | When we last checked in with the Philadelphia Maker Faire in 2019, one couldn’t help but be impressed with what the organizers had pulled off with just a fraction of the budget and resources it took to put on the defunct World Maker Faire in New York. We came away absolutely certain the event was on the verge of explos... | 5 | 3 | [
{
"comment_id": "6523674",
"author": "Jesse Garcia",
"timestamp": "2022-10-21T21:26:08",
"content": "So bummed I couldn’t make it. Glad to hear it went well. Can’t wait for next year!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523681",
"author": "drwh... | 1,760,372,525.423305 | ||
https://hackaday.com/2022/10/21/hackaday-podcast-190-fun-with-resin-printing-tiny-tanks-lo-fi-orchestra-and-deep-thoughts-with-al-williams/ | Hackaday Podcast 190: Fun With Resin Printing, Tiny Tanks, Lo-Fi Orchestra, And Deep Thoughts With Al Williams | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos rendezvoused in yet another secret, throwaway location to rap about the hottest hacks from the previous week. We start off by gushing about the winners of the Cyberdeck Contest, and go wild over the Wildcard round winners from the Hackaday... | 3 | 2 | [
{
"comment_id": "6523659",
"author": "Anders Nielsen",
"timestamp": "2022-10-21T20:03:01",
"content": "Yay, I’m gonna love that t-shirt!I have to admit it felt a bit like cheating when all I had to do was to use my Hackaday Prize submissions that were literally already on my desk :DGotta try out tha... | 1,760,372,525.502359 | ||
https://hackaday.com/2022/10/21/this-snappy-8-bit-microcomputer-brings-the-speed-to-retrocomputing/ | This Snappy 8-Bit Microcomputer Brings The Speed To Retrocomputing | Dan Maloney | [
"Microcontrollers",
"Retrocomputing"
] | [
"8 bit",
"ESP32-Pico-D4",
"eZ80",
"microcomputer",
"microcontroller",
"SBC"
] | When the need for speed overcomes you, thoughts generally don’t turn to 8-bit computers. Sure, an 8-bit machine is fun for retro gameplay and reliving the glory days, and there certainly were some old machines that were notably faster than the others. But raw computing power isn’t really the point of retrocomputing.
Or... | 45 | 13 | [
{
"comment_id": "6523595",
"author": "Paul",
"timestamp": "2022-10-21T15:49:38",
"content": "Oh, thank goodness. People are building computers fast again.I’m getting oh, so tired of seeing 100-300 ms keyboard-to-screen latencies in modern machines, even worse for cloud apps, and think wistfully at ... | 1,760,372,525.249311 | ||
https://hackaday.com/2022/10/21/this-week-in-security-linux-wifi-fortinet-text4shell-and-predictable-guids/ | This Week In Security: Linux WiFi, Fortinet, Text4Shell, And Predictable GUIDs | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"linux",
"Text4shell",
"UUIDs"
] | Up first this week is
a quintet of vulnerabilities
in the Linux kernel’s wireless code. It started with [Soenke Huster] from
TU Darmstadt
, who found a buffer overwrite in mac80211 code. The private disclosure to SUSE kernel engineers led to a security once-over of this wireless framework in the kernel, and some other ... | 18 | 3 | [
{
"comment_id": "6523563",
"author": "Dominik Sierociuk",
"timestamp": "2022-10-21T14:14:28",
"content": "GUIDs are meant to be unique, not random. Statisticaly speaking there is no such thing as random number when it’s on digital machine. Actual diameter of 100 M8 bolts will have random distributio... | 1,760,372,524.8833 | ||
https://hackaday.com/2022/10/21/custom-sony-camera-remote-built-with-esp32/ | Custom Sony Camera Remote Built With ESP32 | Lewin Day | [
"digital cameras hacks",
"Microcontrollers"
] | [
"digital camera",
"ESP32",
"M5stickC",
"sony",
"sony camera"
] | Whether you’re shooting video or photos, having a camera remote can really improve your productivity. No longer do you have to run back to the camera to press its tiny buttons! [Frank Zhao] is a Sony user, so decided to whip up a custom remote using the ESP32 for his Alpha camera,
adding special features along the way.... | 10 | 5 | [
{
"comment_id": "6523530",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-21T11:43:05",
"content": "I think it is nice he was able to do this with anything made by $ony.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523772",
... | 1,760,372,525.577894 | ||
https://hackaday.com/2022/10/21/hp-41c-the-forth-edition/ | HP-41C, The Forth Edition | Al Williams | [
"Retrocomputing"
] | [
"forth",
"hp41c"
] | If you have an HP-41 — arguably the best calculator ever made, you might not have noticed that there’s a version of Forth for it. The code was written a while back in assembly and will work on anything that actually emulates the device properly, such as a SwissMicros DM41X. [Calculator Clique]
shows you how it works
in... | 45 | 12 | [
{
"comment_id": "6523509",
"author": "Olaf",
"timestamp": "2022-10-21T08:15:40",
"content": "It is not necessary to tell us about an forth interpreter because we know that there exist a forth interpreter for almost every MCU and every machine in the world. The only problem, nobody use it.Oh and the ... | 1,760,372,525.120692 | ||
https://hackaday.com/2022/10/20/unconventional-longboard-built-from-single-slice-of-tree/ | Unconventional Longboard Built From Single Slice Of Tree | Lewin Day | [
"Transportation Hacks"
] | [
"longboard"
] | Typically, skateboards and longboards are made out of many laminated layers of wood. This gives them a pleasing flex that produces a comfortable ride. However, it’s not the only way to do things. [DesignCo] went for an unconventional design,
using a large slice out of a tree instead.
The benefit of using a section of t... | 21 | 6 | [
{
"comment_id": "6523492",
"author": "Drone",
"timestamp": "2022-10-21T05:47:04",
"content": "“[DesignCo] went for an unconventional design, using a large slice out of a tree instead.”Poor tree. I feel your pain :-(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,372,525.665825 | ||
https://hackaday.com/2022/10/20/decompiling-software-to-fix-an-old-solar-inverter/ | Decompiling Software To Fix An Old Solar Inverter | Robin Kearey | [
"green hacks",
"Repair Hacks",
"Reverse Engineering",
"Software Hacks",
"Solar Hacks"
] | [
"decompiler",
"disassembler",
"keygen",
"solar inverter"
] | It’s a fact of life that electronic devices become obsolete after a few years. Sometimes this is because technology has moved on, but it can also happen that a perfectly functional device becomes near-useless simply because the original manufacturer no longer supports it. When [Buy It Fix It] found a pair of second-han... | 16 | 10 | [
{
"comment_id": "6523495",
"author": "mime",
"timestamp": "2022-10-21T06:05:37",
"content": "wow!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523498",
"author": "Ar",
"timestamp": "2022-10-21T06:31:00",
"content": "“Decompilation” sounds like a... | 1,760,372,525.339658 | ||
https://hackaday.com/2022/10/20/a-homebrew-ac-upgrade-for-the-fluke-8840a/ | A Homebrew AC Upgrade For The Fluke 8840A | Lewin Day | [
"Tool Hacks"
] | [
"fluke",
"fluke meter",
"repair",
"tools"
] | [William Dudley] picked up a Fluke 8840A bench multimeter at an auction, but was sad to find out that it was reading resistances inaccurately. It was also missing the optional board to enable AC measurements. Desiring to use the otherwise lovely meter,
he set about repairing and upgrading the device.
Thankfully, the 88... | 11 | 9 | [
{
"comment_id": "6523721",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-22T00:31:27",
"content": "I have mixed feelings about this.Yes, he got something that was broke and “fixed” it. But a Fluke is held to a high standard (no pun intended? ) and this one falls short. Sor... | 1,760,372,524.82368 | ||
https://hackaday.com/2022/10/20/errf-22-building-a-library-of-filament-colors/ | ERRF 22: Building A Library Of Filament Colors | Tom Nardi | [
"cons",
"digital cameras hacks"
] | [
"3d printer filament",
"database",
"ERRF 22",
"photography",
"Raspberry pi camera"
] | If you’ve ever paged through the color samples at the hardware store trying to match a particular color, you know how hard it can be. Not only are there nearly limitless color variations, but each manufacturer has their own formulas and tints. Often times, the only way to get the exact color you need is to get it custo... | 10 | 5 | [
{
"comment_id": "6523414",
"author": "mathman",
"timestamp": "2022-10-20T20:04:52",
"content": "Cool!Now I want an article about color calibration :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523415",
"author": "Joseph C",
"timestamp": "2022-10-... | 1,760,372,525.925173 | ||
https://hackaday.com/2022/10/20/2022-cyberdeck-contest-keezyboost40-is-a-cyberdeck-masquerading-as-a-keyboard/ | 2022 Cyberdeck Contest: Keezyboost40 Is A Cyberdeck Masquerading As A Keyboard | Navarre Bartz | [
"contests",
"Cyberdecks"
] | [
"cyberdeck",
"lcd",
"ortholinear",
"ortholinear keyboard",
"pi pico",
"raspberry pi 2040",
"Raspberry Pi Pico",
"rust"
] | There’s something to be said for über-powerful cyberdecks, but there’s also a certain appeal to less powerful decks squeezed into a tiny form factor. [Christian Lo] has designed a cyberdeck that looks like a
simple ortholinear keyboard
but is running a more flexible environment.
There are games and animations
you can p... | 5 | 3 | [
{
"comment_id": "6523410",
"author": "Will",
"timestamp": "2022-10-20T19:46:00",
"content": "This is actually a really beautiful design.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523429",
"author": "openS0rceress",
"timestamp": "2022-10-20T21:21:... | 1,760,372,525.721604 | ||
https://hackaday.com/2022/10/20/2022-hackaday-supercon-final-talks-announced/ | 2022 Hackaday Supercon: Final Talks Announced | Elliot Williams | [
"cons",
"Interest",
"News"
] | [
"2022 Hackaday Supercon",
"speakers",
"talks"
] | The third and final round of the 2022 Supercon talks announcements brings us closer to a complete picture of the full spectrum of hacking awesomeness taking the stage in just a few weeks. (And we haven’t even announced the keynote yet!)
Supercon is the Ultimate Hardware Conference and you need to be there! We’ll contin... | 2 | 2 | [
{
"comment_id": "6523408",
"author": "cdilla",
"timestamp": "2022-10-20T19:37:09",
"content": "Great to see Scotty Allen on the roster. Inspiring, educational and entertaining. Looking forward to hearing his talk.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,372,525.777076 | ||
https://hackaday.com/2022/10/20/forearm-muscle-contraction-sensor-is-useful-component-for-open-source-prosthetics/ | Forearm Muscle Contraction Sensor Is Useful Component For Open Source Prosthetics | Lewin Day | [
"Misc Hacks"
] | [
"ESP32",
"prosthetic"
] | Being able to actuate parts of a prosthetic limb can make it much more useful. To help in this goal for partial arm or hand amputees, [TURFPTAx] has developed a sensor
for detecting forearm muscle contractions.
The sensor itself is cost-effective and simple to build.
The build is part of the
Open Prosthetics
project, w... | 2 | 1 | [
{
"comment_id": "6523549",
"author": "psuedonymous",
"timestamp": "2022-10-21T12:46:27",
"content": "This seems like it would have all the same issues of sensor positioning (and subsequent displacement) of electromyographic muscle sensing, but exacerbated by the greater mass of the sensors.",
"p... | 1,760,372,525.846754 | ||
https://hackaday.com/2022/10/20/retrotechtacular-the-original-weather-channel/ | Retrotechtacular: The Original Weather Channel | Al Williams | [
"Hackaday Columns",
"Retrotechtacular",
"Slider"
] | [
"CATV",
"weather channel"
] | The Weather Channel has decided to pull the plug on its automated weather display
, a favorite experience for weather geeks everywhere. However, it wasn’t the original weather nerd TV station. Early cable TV networks had their own low-tech versions of this much longer ago than you might expect. For example, check out ... | 22 | 10 | [
{
"comment_id": "6523308",
"author": "Ostracus",
"timestamp": "2022-10-20T14:54:42",
"content": "Cell phones killed the need for a lot of things from a watch to weather information. And if Teletext had taken off data would be coming through that.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,526.074913 | ||
https://hackaday.com/2022/10/20/render-yourself-invisible-to-ai-with-this-adversarial-sweater-of-doom/ | Render Yourself Invisible To AI With This Adversarial Sweater Of Doom | Dan Maloney | [
"Machine Learning"
] | [
"adversarial",
"classifier",
"cnn",
"CoCo",
"neural network",
"object detection",
"ugly sweater",
"YOLO"
] | Ugly sweater season is rapidly approaching, at least here in the Northern Hemisphere. We’ve always been a bit baffled by the tradition of paying top dollar for a loud, obnoxious sweater that gets worn to exactly one social event a year. We don’t judge, of course, but that’s not to say we wouldn’t look a little more fav... | 57 | 17 | [
{
"comment_id": "6523257",
"author": "shod",
"timestamp": "2022-10-20T11:45:16",
"content": "“vulnerabilities” eh, and they are ultimately trying to find them so they can be “fixed’ no doubt.I have my own views, both on the subject of using such technologies as well as on developing and improving th... | 1,760,372,526.189617 | ||
https://hackaday.com/2022/10/20/catch-the-stick-game-is-a-tidy-build/ | Catch The Stick Game Is A Tidy Build | Lewin Day | [
"Games"
] | [
"reaction",
"reaction game",
"reaction tester",
"reaction training"
] | There are many different ways to test one’s reaction times; a simple way is to simply drop a ruler and see how far it falls before you can catch it. Take that same concept to a greater level, and you get this impressive
“Catch The Stick” game
.
The creation of one [Romain Labbe], the build has a wooden frame that holds... | 10 | 5 | [
{
"comment_id": "6523270",
"author": "ONV",
"timestamp": "2022-10-20T12:04:59",
"content": "I see a potential pub game to rival darts and pool :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523322",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,372,526.236106 | ||
https://hackaday.com/2022/10/19/permeability-tuned-oscillators-made-stable-with-a-glue-stick/ | Permeability Tuned Oscillators Made Stable With A Glue Stick | Jenny List | [
"Radio Hacks"
] | [
"indcutor",
"permeability tuning",
"tuned circuit"
] | For over a century now, radio amateurs have made tuned circuits using a coil of wire and a variable capacitor. In recent decades the supply of variable capacitors has dwindled, as SDR technology has supplanted the traditional tuning capacitor. No more tuned circuits for the radio amateurs? Not quite,
as [Bill Meara N2C... | 18 | 8 | [
{
"comment_id": "6523197",
"author": "Bruce Ferrell",
"timestamp": "2022-10-20T06:30:30",
"content": "if transformers were tuned this way in am radios",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6523324",
"author": "The Commenter Formerly Known As... | 1,760,372,526.602583 | ||
https://hackaday.com/2022/10/19/rubber-stamping-your-way-to-custom-pcbs/ | Rubber Stamping Your Way To Custom PCBs | Lewin Day | [
"Tool Hacks"
] | [
"pcb",
"pcbs",
"rubber stamp"
] | Many of us now outsource PCB production to board houses overseas, which offer high-quality boards with increasingly impressive turnaround times. You might still brew up your own PCB, though, and a reader found this
great old hack from [William Hare]
that might be worth a look.
Forget toner transfer or marker pens — thi... | 24 | 9 | [
{
"comment_id": "6523160",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-20T02:17:38",
"content": "I’d say that’s a hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523169",
"author": "ekaggrat",
"timestamp": "2022-10-20T0... | 1,760,372,526.37722 | ||
https://hackaday.com/2022/10/19/a-3d-printer-with-quadruple-the-output/ | A 3D Printer With Quadruple The Output | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"four",
"four at once",
"hotends",
"multiple",
"prints",
"z-axis"
] | While the polygraph is colloquially associated with pseudoscientific lie detector tests, the actual invention of the first polygraph was designed to mechanically duplicate the pen strokes of someone writing. Famously, a polygraph was used by former US President Thomas Jefferson in his “modern office”, a replica of whic... | 8 | 5 | [
{
"comment_id": "6523131",
"author": "Andy Pugh",
"timestamp": "2022-10-19T23:26:21",
"content": "https://youtu.be/3TJgZqErqBAis 20 (or 18 (or 16)) heads.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523143",
"author": "Doctor Duck",
"timestamp": "2... | 1,760,372,526.284319 | ||
https://hackaday.com/2022/10/19/uv-monitoring-budgie-keeps-an-eye-on-exposure-levels/ | UV Monitoring Budgie Keeps An Eye On Exposure Levels | Lewin Day | [
"Misc Hacks"
] | [
"internet of things",
"uv index",
"uv rays",
"weather"
] | UV rays are great at helping us generate vitamin D, but they can also be harmful, causing sunburn and even melanoma. To help kids keep track of the UV index in his local area,
[Jude Pullen] created the UV Budgie.
The build is based around an Arduino Nano 33 IoT board, which queries the Met Office’s API to determine the... | 2 | 2 | [
{
"comment_id": "6523157",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-10-20T01:58:38",
"content": "If I can fit the budgie into my budget…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523551",
"author": "Jude Pullen",
"times... | 1,760,372,526.538591 | ||
https://hackaday.com/2022/10/19/hackaday-prize-2022-a-cheap-and-effective-mouth-joystick-mouse/ | Hackaday Prize 2022: A Cheap And Effective Mouth Joystick Mouse | Lewin Day | [
"Peripherals Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"accessibility",
"mouth joystick"
] | Some people have issues using regular computer mice, and need alternative input devices that suit their needs. [Olman Orozco] designed
an affordable mouth-joystick intended to work as a mouse
to suit that very use case.
A simple frame allows the controller to be held near the mouth for use.
The build is based on a simp... | 3 | 2 | [
{
"comment_id": "6523278",
"author": "xzion",
"timestamp": "2022-10-20T12:47:25",
"content": "Tech ist supposed to make Life more livable, for those with certain Handycaps and us all – Not for huge corpos with megalomania.Amazong Work!",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,526.649483 | ||
https://hackaday.com/2022/10/18/if-only-the-kids-knew-about-pipes/ | If Only The Kids Knew About Pipes | Al Williams | [
"Linux Hacks"
] | [
"card game",
"pipes",
"unix"
] | Being a parent is hard work. You need to prepare your child to operate in the world. Reading, writing, arithmetic, and how to make good choices are just the beginning. They also ought to know regular expressions and Unix pipes. [Jackdoe] can help with that last one, thanks to their
Unix pipe card game
.
As an example, ... | 50 | 8 | [
{
"comment_id": "6522789",
"author": "CityZen",
"timestamp": "2022-10-19T00:18:39",
"content": "You don’t usually need cat. Just redirect the input.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522790",
"author": "Gravis",
"timestamp": "2... | 1,760,372,526.84438 | ||
https://hackaday.com/2022/10/18/an-oscilloscope-trigger-for-vintage-video-processors/ | An Oscilloscope Trigger For Vintage Video Processors | Chris Wilkinson | [
"Retrocomputing",
"Video Hacks"
] | [
"lm1881",
"ntsc",
"oscilloscope",
"retrocomputer",
"texas instruments",
"TMS9918",
"TMS9918AA"
] | Working on retro computers is rarely straightforward, as [ukmaker] recently found out while designing a new display interface. Their oscilloscope was having trouble triggering on the video signal produced by older video circuitry, so they created the
Video Trigger for Retrocomputers
.
The Texas Instruments TMS9918 vide... | 8 | 4 | [
{
"comment_id": "6522739",
"author": "Bogdan Ryszkiewicz",
"timestamp": "2022-10-18T21:44:22",
"content": "Reasons uknown… .. typically the same reasons the digital/LCT/TFT monitors have problems locking on the signal from retro machines. It deviates wildly from the norms, is not (properly) interlac... | 1,760,372,527.210197 | ||
https://hackaday.com/2022/10/18/whip-up-some-homemade-artisanal-flux/ | Whip Up Some Homemade Artisanal Flux | Al Williams | [
"Misc Hacks"
] | [
"flux",
"rosin",
"soldering"
] | You don’t think much about the power company until you flip the lights on and they don’t come on. The same can be said of soldering flux. You don’t think much about it, usually, until you try soldering without it. Flux has a cleaning action on metal surfaces that allows for a proper solder joint. The problem is, do you... | 32 | 20 | [
{
"comment_id": "6522660",
"author": "smellsofbikes",
"timestamp": "2022-10-18T19:02:55",
"content": "This is cool from a do it from scratch DIY perspective. My experience doing something similar, for restoring 1890’s technology that used lead solder to connect steel components, is that the resulti... | 1,760,372,526.7282 | ||
https://hackaday.com/2022/10/18/3d-printering-managing-multiple-printing-profiles/ | 3D Printering: Managing Multiple Printing Profiles | Al Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"PrusaSlicer",
"superslicer"
] | I know people who have 3D printers that are little more than appliances. They buy it, they print with it, and they don’t change much of anything. That doesn’t describe me and, I’m guessing, it doesn’t describe you either. This does lead to a problem, though, when it comes to slicers. You have to keep changing profiles ... | 7 | 4 | [
{
"comment_id": "6522659",
"author": "Jii",
"timestamp": "2022-10-18T19:00:21",
"content": "Now this is where using Fossil, instead of Git, would really shine. Not only the version control, you also get Wiki and tickets + much more in a single executable.What i have done is put firmware sources and ... | 1,760,372,526.91065 | ||
https://hackaday.com/2022/10/18/3d-printing-with-a-drone-swarm/ | 3D Printing With A Drone Swarm? | Dave Rowntree | [
"3d Printer hacks",
"drone hacks"
] | [
"3d printing",
"delta bot",
"drone",
"effector",
"wasps"
] | Even in technical disciplines such as engineering, there is much we can still learn from nature. After all, the endless experimentation and trials of life give rise to some of the most elegant solutions to problems. With that in mind, a large team of researchers took inspiration from the humble (if rather annoying) was... | 14 | 7 | [
{
"comment_id": "6522566",
"author": "sweethack",
"timestamp": "2022-10-18T16:13:10",
"content": "Having a wasp to build your house is probably going to happen sooner than this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6522581",
"author": "dapostusa"... | 1,760,372,526.966263 | ||
https://hackaday.com/2022/10/18/mining-and-refining-cobalt-the-unfortunately-necessary-metal/ | Mining And Refining: Cobalt, The Unfortunately Necessary Metal | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"anode",
"artisanal",
"battery",
"cobalt",
"conflict",
"ev",
"lithium",
"Mining and Refining"
] | The story of humankind is largely a tale of conflict, often brought about by the uneven distribution of resources. For as long as we’ve been down out of the trees, and probably considerably before that too, our ancestors have been struggling to get what they need to survive, as often as not at the expense of another, m... | 21 | 9 | [
{
"comment_id": "6522529",
"author": "Collie147",
"timestamp": "2022-10-18T14:54:36",
"content": "Does that copper mine look like a star was set or is it just me?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522531",
"author": "Collie147",
... | 1,760,372,527.148812 | ||
https://hackaday.com/2022/10/18/playdate-handheld-turned-typewriter/ | Playdate Handheld Turned Typewriter | Bryan Cockfield | [
"Games"
] | [
"3d printed",
"console",
"dock",
"gaming",
"keyboard",
"Playdate",
"text editor",
"typewriter",
"word processor"
] | The Playdate is an interesting gaming system. It’s a handheld, has a black and white screen, and superficially reminds us a little bit of the original Game Boy, right down to the button layout. But the fact that it has a second controller that pops out of the side, that this controller is a crank, and that the whole sy... | 6 | 5 | [
{
"comment_id": "6522444",
"author": "chango",
"timestamp": "2022-10-18T11:58:04",
"content": "Akshually, Panic published Untitled Goose Game. House House was the developer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6522498",
"author": "RunnerPack",
... | 1,760,372,527.066984 | ||
https://hackaday.com/2022/10/19/crusty-leaking-cells-kill-your-tech-just-whats-going-on/ | Crusty Leaking Cells Kill Your Tech. Just What’s Going On? | Jenny List | [
"chemistry hacks",
"Featured",
"Interest",
"Slider"
] | [
"alkaline cell",
"battery",
"dry cell",
"primary cell",
"zinc-carbon cell"
] | Seasoned Hackaday readers may have noticed over the years, that some of us who toil under the sign of the Jolly Wrencher have a penchant for older tech. After all, what’s not to like in a dirt cheap piece of consumer electronics from decades past that’s just begging for a bit of hardware hacking? For me at the moment t... | 83 | 16 | [
{
"comment_id": "6523051",
"author": "andrzej229",
"timestamp": "2022-10-19T17:23:42",
"content": "I’m often collecting old electronics like CRTs, cameras, VCRs, computers and stuff because they contain valuable metals. I’m most interested in gold and silver but lead (solder), aluminium and steel ma... | 1,760,372,527.386798 | ||
https://hackaday.com/2022/10/19/generating-stereo-fm-signals-thanks-to-python/ | Generating Stereo FM Signals, Thanks To Python | Dan Maloney | [
"Radio Hacks"
] | [
"arbitrary waveform generator",
"difference",
"fm",
"multiplex",
"pilot tone",
"radio",
"stereo",
"sum"
] | A casual understanding of how AM radio works is pretty easy to come by, and standard FM is only a little more complicated. Things can go off the tracks a bit with stereo FM, though — figuring out how they squeeze two separate audio tracks onto one radio signal is a bit of a head-scratcher. In that case, wrapping your h... | 7 | 6 | [
{
"comment_id": "6523038",
"author": "Rog77",
"timestamp": "2022-10-19T16:31:13",
"content": "https://www.instructables.com/Arbitrary-Wave-Generator-With-the-Raspberry-Pi-Pic/How does this compare as a “poor man’s” version – using only a pico?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,527.256234 | ||
https://hackaday.com/2022/10/19/2022-hackaday-prize-congratulations-wildcard-winners/ | 2022 Hackaday Prize: Congratulations, Wildcard Winners! | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"2022 Hackaday Prize",
"wildcard"
] | The Wildcard Round is the wildest round, and the 2022 Hackaday Prize had a slew of great entries. We’ve winnowed the wildcards down to a large handful, and we’re happy to announce the finalists. Every winner receives a $500 award, and is automatically entered for the final round of the Hackaday Prize. The grand prize w... | 3 | 3 | [
{
"comment_id": "6523035",
"author": "Andrew Thaler (@DrAndrewThaler)",
"timestamp": "2022-10-19T16:10:51",
"content": "What a wonderful surprise! Congratulations to all the finalists!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6523207",
"author": "Tal... | 1,760,372,527.441945 | ||
https://hackaday.com/2022/10/19/researching-factorio-for-science/ | ResearchingFactorio…For Science | Bryan Cockfield | [
"Games"
] | [
"api",
"artificial intelligence",
"factorio",
"real-world",
"research",
"study",
"video game"
] | Science has affirmatively answered a lot of questions that, looking back, could be seen as bizarre to have asked in the first place. Questions like “can this moldy cheese cure disease” or “can this rock perform math if we give it some electricity.” Among the more recent of this list is the question of whether or not t... | 15 | 7 | [
{
"comment_id": "6522951",
"author": "Iván Stepaniuk",
"timestamp": "2022-10-19T11:28:12",
"content": "Cracktorio!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522955",
"author": "jo",
"timestamp": "2022-10-19T11:43:19",
"content":... | 1,760,372,527.497625 | ||
https://hackaday.com/2022/10/19/hydraulic-press-channel-puts-nuts-to-the-test/ | Hydraulic Press ChannelPuts Nuts To The Test | Al Williams | [
"hardware"
] | [
"Bolts",
"nuts",
"threads"
] | Have you ever wondered how many threads a nut needs to be secure?
[Hydraulic Press Channel] decided to find out
, using some large hardware and a hydraulic press. The method was simple. He took a standard nut and cut the center out of it to have nuts with fewer threads than the full nut. Then it was on to the hydraulic... | 18 | 6 | [
{
"comment_id": "6522908",
"author": "Dude",
"timestamp": "2022-10-19T08:57:37",
"content": "The single threads on the bolt take less force because the process of removing the other threads on the lathe leaves sharp transition points at the end and beginning of the thread, which crack easily. Instea... | 1,760,372,527.572851 | ||
https://hackaday.com/2022/10/18/front-door-keys-hidden-in-plain-sight/ | Front Door Keys Hidden In Plain Sight | Bryan Cockfield | [
"Security Hacks"
] | [
"D1 Mini",
"ESP8266",
"IoT",
"key",
"rfid",
"ring",
"security",
"Wemos"
] | If there’s one thing about managing a bunch of keys, whether they’re for RSA, SSH, or a car, it’s that large amounts of them can be a hassle. In fact, anything that makes life even a little bit simpler is a concept we often see projects built on to of, and keys are no different. This project, for example, eliminates th... | 27 | 17 | [
{
"comment_id": "6522858",
"author": "AggregatVier",
"timestamp": "2022-10-19T05:33:11",
"content": "Vandal steals “artwork” and you arrive back home with no way to get inside without B&E tools.Couldn’t the sensor be on the inside of the door behind a thin layer of wood (along with all the nobody-ne... | 1,760,372,527.868749 | ||
https://hackaday.com/2022/10/18/analog-tank-driving-simulator-patrols-a-tiny-physical-landscape/ | Analog Tank Driving Simulator Patrols A Tiny Physical Landscape | Danie Conradie | [
"Repair Hacks"
] | [
"driving sim",
"FPV",
"main battle tank",
"training"
] | How do you build a practical tank-driving simulator in the 1970s, when 3D computer-generated graphics are still just a fantasy of the future? If you’re a European tanker school, the solution is to use a
large CNC machine to drive a camera around a miniature terrain model
(German,
translated
). In the video after the br... | 30 | 17 | [
{
"comment_id": "6522821",
"author": "Scotty",
"timestamp": "2022-10-19T02:31:59",
"content": "Back in the 80s I worked for singer link flight simulation. Some of the flight simulators used model board and camera to operate. A couple of interesting items, one the original used bright lights to illum... | 1,760,372,527.790997 | ||
https://hackaday.com/2022/10/18/kodak-film-factory-revealed/ | Kodak Film Factory Revealed | Dave Walker | [
"chemistry hacks",
"classic hacks"
] | [
"35mm film",
"camera",
"coating",
"factory",
"film",
"kodak"
] | Anybody born before the mid 1990s will likely remember film cameras being used to document their early years. Although the convenience of digital cameras took over and were then themselves largely usurped by mobile phones, there is still a surprising variety of photographic film being produced. Despite the long pedig... | 51 | 15 | [
{
"comment_id": "6522390",
"author": "Joseph Eoff",
"timestamp": "2022-10-18T09:40:13",
"content": "Missed an opportunity for a really lame joke:“Kodak film factory exposed.”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522398",
"author": "Dave Wa... | 1,760,372,528.044528 | ||
https://hackaday.com/2022/10/17/custom-interface-adds-usb-and-wi-fi-to-digital-calipers/ | Custom Interface Adds USB And Wi-Fi To Digital Calipers | Robin Kearey | [
"Tool Hacks"
] | [
"caliper",
"digital caliper",
"diy usb interface",
"ESP32",
"micro-USB"
] | Although old-school machinists typically prefer the mechanical vernier scale on their trusty calipers, many users nowadays buy calipers with a digital readout. These models often come with additional features like differential measurements, or a “hold” function for those situations where you have to maneuver the instru... | 26 | 8 | [
{
"comment_id": "6522306",
"author": "macsimski",
"timestamp": "2022-10-18T05:22:30",
"content": "One of the “nicest” features of difital calipers is that they are always out of batteries when you need them. Mechanical calipers just dont have that exciting feature…",
"parent_id": null,
"dept... | 1,760,372,527.939647 | ||
https://hackaday.com/2022/10/17/hackaday-prize-2022-a-not-so-smart-spot-welder/ | Hackaday Prize 2022: A Not-So-Smart Spot Welder | Navarre Bartz | [
"Battery Hacks",
"contests",
"how-to",
"Repair Hacks"
] | [
"battery tab",
"capacitor bank",
"capacitors",
"diy spot welder",
"spot welder",
"welder"
] | DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his
capacitive discharge spot welder
to be safe, easy to build, and forego the microcontroller.
Many projects work great with
just a single Li-ion cell
, bu... | 5 | 4 | [
{
"comment_id": "6522312",
"author": "TG",
"timestamp": "2022-10-18T05:48:40",
"content": "Now that I think of it, I don’t think I’ve ever seen anything listed in millifarads.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522622",
"author": "echode... | 1,760,372,528.336251 | ||
https://hackaday.com/2022/10/17/hunt-down-nfc-signals-with-this-nfc-multi-tool/ | Hunt Down NFC Signals With This NFC Multi Tool | Abe Connelly | [
"Wireless Hacks"
] | [
"contactless",
"hardware",
"NFC",
"open source hardware",
"Open Source Hardware Certification",
"reverse engineering",
"wireless"
] | NFC hacking can be a daunting task with many specialized tools, a proliferation of protocols, and a multitude of different devices. [ElectronicCats] has done a lot of work to try to make this investigation accessible by creating an open-source, hardware-certified NFC tool called the
HunterCatNFC
that can read and emula... | 6 | 3 | [
{
"comment_id": "6522323",
"author": "rewolff",
"timestamp": "2022-10-18T06:03:14",
"content": "It can be done cheaper/easier than that. A led has a capacitance. Tune the PCB antenna for resonance around the NFC frequency. Mount the led and… Done!",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,528.103805 | ||
https://hackaday.com/2022/10/17/barillas-open-source-tool-for-perfect-pasta/ | Barilla’s Open Source Tool For Perfect Pasta | Tom Nardi | [
"Arduino Hacks",
"cooking hacks"
] | [
"boiling",
"cooking",
"pasta",
"thermometer"
] | Cooking pasta is perhaps one of the easiest things you can do in the kitchen, second only to watching a pot of water boil. But as pasta maker
Barilla points out on their website,
you can reduce your meal’s CO₂ emissions by up to 80% if you simply let the pasta sit in the hot water rather than actively boil it the whole... | 79 | 32 | [
{
"comment_id": "6522133",
"author": "Cogidubnus Rex",
"timestamp": "2022-10-17T20:28:41",
"content": "Reminds me of convincing my wife when boiling eggs, once the water’s boiling it doesn’t matter if it’s a vigorous boil or just simmering – the water’s at the same temperature; the only difference i... | 1,760,372,528.236927 | ||
https://hackaday.com/2022/10/17/shoot-an-email-to-get-a-shot/ | Shoot An Email To Get A Shot | Abe Connelly | [
"home hacks",
"Robots Hacks"
] | [
"barbot",
"drink",
"drink mixing robot",
"drinkbot",
"peristalic pump",
"Raspberry Pi 3 B+"
] | [_Pegor] wanted to create a shot pouring machine for their friends birthday. Unfortunately, the build wasn’t done in time, but at least the
JagerMachine
is finished now so that others can use it.
The JagerMachine has a
peristaltic pump
that moves liquid from a reservoir hidden in the back of the machine to the glass in... | 4 | 4 | [
{
"comment_id": "6522217",
"author": "Hirudinea",
"timestamp": "2022-10-17T23:41:27",
"content": "After three shots it should call you an Uber.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6522244",
"author": "echodelta",
"timestamp": "2022-10-18T02:... | 1,760,372,528.28052 | ||
https://hackaday.com/2022/10/17/in-our-own-image-do-we-need-humanoid-robots/ | In Our Own Image: Do We Need Humanoid Robots? | Al Williams | [
"Featured",
"Rants",
"Robots Hacks"
] | [
"humanoid",
"Rant",
"robot"
] | Science fiction is full of things you don’t want to think too hard about. Why do starships with transporters have brigs with forcefields? Why not just beam a prisoner into an enclosed space? Why do Cylons fly ships with human controls? Why not have a plug in their… well, you get the idea. For that matter, why do Cylon... | 105 | 26 | [
{
"comment_id": "6522069",
"author": "deshipu",
"timestamp": "2022-10-17T17:13:56",
"content": "This is the difference between a tool and a servant. There is a huge amount of venture capital being poured into voice assistants and humanoid robots because the wealthy of this world would like to have t... | 1,760,372,528.503407 | ||
https://hackaday.com/2022/10/17/lubrication-engineering-hack-chat/ | Lubrication Engineering Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, October 19 at noon Pacific for the
Lubrication Engineering Hack Chat
with Rafe Britton!
You know the old joke: if it moves when it shouldn’t, fix it with duct tape, and if it doesn’t move but it should, fix it with WD-40. For a lot of us, that’s about as far as our expertise on lubricants — and ad... | 27 | 9 | [
{
"comment_id": "6522061",
"author": "BT",
"timestamp": "2022-10-17T16:41:46",
"content": "Abusing WD40…it’s a slippery slope",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522097",
"author": "TG",
"timestamp": "2022-10-17T18:34:54",
... | 1,760,372,528.568249 | ||
https://hackaday.com/2022/10/17/2022-hackaday-prize-sensible-flow-helps-you-keep-track-of-your-water-usage/ | 2022 Hackaday Prize: Sensible Flow Helps You Keep Track Of Your Water Usage | Robin Kearey | [
"green hacks",
"home hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"bluetooth low energy",
"flow meter",
"water measurement"
] | Safe, clean drinking water is a scarce resource that shouldn’t be wasted. But it’s not always easy to see how much you’re using when you turn on the tap: is it one liter a minute? Is it ten? How much do you actually use when washing your hands or brushing your teeth? If you’d like to get some hard data on your water us... | 15 | 9 | [
{
"comment_id": "6522045",
"author": "X",
"timestamp": "2022-10-17T15:51:28",
"content": "Why not use the water meter that your town has provided? Maybe a camera and some ocr and just read what it says? No plumbing necessary.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,528.943647 | ||
https://hackaday.com/2022/10/17/teardown-cooler-max-liquid-cooling-system/ | Teardown: Cooler Max Liquid Cooling System | Tom Nardi | [
"computer hacks",
"Hackaday Columns",
"Slider",
"Teardown"
] | [
"gaming pc",
"refrigeration",
"water cooling"
] | Every week, the Hackaday tip line is bombarded with offers from manufacturers who want to send us their latest and greatest device to review. The vast majority of these are ignored, simply because they don’t make sense for the sort of content we run here. For example, there’s a company out there that seems Hell-bent on... | 57 | 20 | [
{
"comment_id": "6522028",
"author": "Andy Pugh",
"timestamp": "2022-10-17T14:23:07",
"content": "I wonder if it would work for water-cooled CNC spindles?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6522151",
"author": "TG",
"timestamp": "... | 1,760,372,528.67609 | ||
https://hackaday.com/2022/10/17/classic-dos-games-on-an-arduino/ | Classic DOS Games On An Arduino? | Al Williams | [
"Retrocomputing"
] | [
"86Duino",
"msdos"
] | It has been a while since we’ve seen a 86Duino, but [TheRasteri] reminded us about it, with his video
showing how to use one to run classic MS-DOS games
. To be fair, the computer isn’t really an Arduino, it’s essentially a tiny 486 PC on an Arduino-style PCB.
If it were just running DOS games on a tiny PC, that wouldn... | 8 | 4 | [
{
"comment_id": "6522000",
"author": "macsimski",
"timestamp": "2022-10-17T11:59:05",
"content": "great choice of connector there. just great.I wonder were he found a bread board with the shifted pin header…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "652... | 1,760,372,528.841986 | ||
https://hackaday.com/2022/10/17/poly-keyboard-has-screens-in-every-key/ | Poly Keyboard Has Screens In Every Key | Navarre Bartz | [
"Peripherals Hacks"
] | [
"dynamic key labels",
"dynamic keyboard",
"dynamic keys",
"keyboard",
"keyboard screen",
"oled",
"poly keyboard",
"polyglot",
"Raspberry Pi Pico"
] | Aspiring polyglots can be stymied by differing keyboard layouts and character sets when switching between languages. [Thomas Pollak]’s
Poly Keyboard
circumvents this problem by putting a screen in every key of the keyboard.
In his extensive build logs, [Pollak] details the different challenges he’s faced while bringing... | 18 | 8 | [
{
"comment_id": "6521986",
"author": "Gregg Eshelman",
"timestamp": "2022-10-17T10:15:14",
"content": "Don’t forget the original.https://en.wikipedia.org/wiki/Optimus_Maximus_keyboardMost reviews I’ve read have said it’s not a very good keyboard, especially for gaming. Terrible key action / feel.",
... | 1,760,372,528.894 | ||
https://hackaday.com/2022/10/16/petamentor2-is-latest-to-turn-bottles-into-filament/ | PETamentor2 Is Latest To Turn Bottles Into Filament | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"pet",
"recycle"
] | [Ondřej Šraitr] has several videos, including the one you can watch below, about his
PETamentor2
— a machine for turning PET bottles into printable filament. You can grab the files on
Thingiverse
, and there aren’t many parts you have to buy.
The device looks good, and from the videos, it appears to work well. A blade ... | 24 | 6 | [
{
"comment_id": "6521946",
"author": "Frankel",
"timestamp": "2022-10-17T06:53:28",
"content": "*belches* It is just so perfect and well working, but me liver would advice to switch to non-alcoholic beer for making this work. Sadly there is a recovery system in my country (and a few other EU countri... | 1,760,372,529.055952 | ||
https://hackaday.com/2022/10/16/fourteen-legged-cell-carries-natures-tiny-computer/ | Fourteen-Legged Cell Carries Nature’s Tiny Computer | Al Williams | [
"Science"
] | [
"biology",
"state machines"
] | Computers are, after all, frighteningly complex state machines. Quite of bit of the software we write can be modeled as a state machine, too. A great technological achievement by humans? Turns out,
state machines exist in some of nature’s tiniest natural computers
, according to biologists studying
Euplotes eurystomus
... | 12 | 7 | [
{
"comment_id": "6521921",
"author": "Ostracus",
"timestamp": "2022-10-17T03:39:17",
"content": "Boston Dynamics could use it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6521943",
"author": "Xeon",
"timestamp": "2022-10-17T06:37:22",
"content":... | 1,760,372,529.102195 | ||
https://hackaday.com/2022/10/16/hackaday-links-october-16-2022/ | Hackaday Links: October 16, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"hackaday links"
] | Be careful where your take your iPhone 14 or Apple Watch, because
under the right circumstances
, you might end up swatting yourself. At least that’s what seems to have happened to some owners when their device’s crash detection feature interpreted a roller coaster ride as a car crash, and dialed emergency services. Cr... | 20 | 8 | [
{
"comment_id": "6521865",
"author": "Jeff Faust",
"timestamp": "2022-10-16T23:23:14",
"content": "Remember that there were once 42,000 employees at Kodak Park alone, to say nothing of Kodak office, the Elmgrove plant, Hawkeye, smaller facilities all over town, and numerous operations out of state. ... | 1,760,372,529.000482 |
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