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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/01/31/find-swd-points-quickly-no-extra-hardware-needed/ | Find SWD Points Quickly, No Extra Hardware Needed | Arya Voronova | [
"Reverse Engineering",
"Tool Hacks"
] | [
"j-link",
"SWD",
"testpoint probing"
] | Say you’re tinkering with a smart device powered by a CPU that uses Serial Wire Debug (SWD), but doesn’t mark the testpoints. Finding SWD on a board — how hard could it be? With [Aaron Christophel]’s method, you can
find the SWD interface on a PCB
within a few minutes’ time. All you need is two needles, a known-to-be-g... | 9 | 4 | [
{
"comment_id": "6587960",
"author": "some guy",
"timestamp": "2023-01-31T22:36:08",
"content": ">you could easily transfer the gist of this method to other programming interface types!Only if you have more than 2 hands… The idea of accustic feedback is still a good one.",
"parent_id": null,
... | 1,760,372,415.626245 | ||
https://hackaday.com/2023/01/31/driverless-buses-take-to-the-road-in-scotland/ | Driverless Buses Take To The Road In Scotland | Lewin Day | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"autonomous bus",
"autonomous car",
"bus",
"self-driving"
] | Scotland! It’s the land of tartans, haggis, and surprisingly-warm kilts. It’s also ground zero for the first trial of full-sized driverless buses in the United Kingdom.
It’s not just automakers developing driverless technologies. Transit companies are desperate to get in on the action because it would completely upend ... | 70 | 13 | [
{
"comment_id": "6587750",
"author": "Dude",
"timestamp": "2023-01-31T18:37:33",
"content": "> transit operators and their drivers can’t be so cavalier.You’d think. Around here, when the bus driver puts the blinkers on they’re going to pull up right NOW. Doesn’t matter that you’re already past the... | 1,760,372,415.239914 | ||
https://hackaday.com/2023/01/31/wooden-smartphone-sleeve-keeps-you-on-task/ | Wooden Smartphone Sleeve Keeps You On Task | Navarre Bartz | [
"Cellphone Hacks"
] | [
"automation",
"cellphone",
"distracted",
"distraction",
"do not disturb",
"fabric",
"felt",
"NFC",
"productivity",
"smarphone",
"smartphone sleeve",
"veneer"
] | Smartphones are amazing tools, but sometimes they can be an equally amazing time suck. In an effort to minimize how much precious time goes down the drain, [Lance Pan and Zeynep Kirmiziyesil] decided to make a
functional and beautiful smartphone sleeve
to keep you on task.
Most modern smartphones have some form of Do N... | 2 | 1 | [
{
"comment_id": "6587617",
"author": "Joseph Eoff",
"timestamp": "2023-01-31T16:38:24",
"content": "On the one hand, it is cool that they made something. On the other hand, isn’t wood veneer a little lacking in robustness?I guess on the third hand it turned the lame-ass leather phone holster I made... | 1,760,372,415.327579 | ||
https://hackaday.com/2023/01/31/all-about-usb-c-pinecil-soldering-iron/ | All About USB-C: Pinecil Soldering Iron | Arya Voronova | [
"Engineering",
"Featured",
"Slider"
] | [
"pinecil",
"Type-C",
"USB C",
"USB Type-C",
"USB-C PD"
] | As many people have pointed out, what matters with USB-C isn’t just the standard, it’s the implementations. After all, it’s the implementations that we actually have to deal with, and it’s where most of the problems with USB-C arise. There is some fault to the standard, like lack of cable markings from the get-go, but ... | 79 | 18 | [
{
"comment_id": "6587509",
"author": "xeon",
"timestamp": "2023-01-31T15:05:18",
"content": "pinecil…. pencil…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6588881",
"author": "James Feeney",
"timestamp": "2023-02-01T16:29:24",
"con... | 1,760,372,415.755605 | ||
https://hackaday.com/2023/01/31/a-reverse-polish-calculator-for-your-keychain/ | A Reverse Polish Calculator For Your Keychain | Jenny List | [
"Arduino Hacks"
] | [
"calculator",
"RPN",
"RPN calculator"
] | As the smartphone has eaten ever more of the gatgets with which we once surrounded ourselves, it’s with some sadness that we note the calculator becoming a less common sight. It’s with pleasure then that we bring you [Nekopla]’s keychain calculator, not least because it’s a little more than a conventional model. This i... | 24 | 7 | [
{
"comment_id": "6587418",
"author": "Harold Hill",
"timestamp": "2023-01-31T13:22:03",
"content": "” RPN you would write 2 2 + ”Shouldn’t that be 2 [Enter] 2 +?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6587542",
"author": "Greg Scott Key",
... | 1,760,372,415.389722 | ||
https://hackaday.com/2023/01/30/retroarch-on-a-leapfrog-leapster-gs/ | RetroArch On A LeapFrog Leapster GS | Navarre Bartz | [
"handhelds hacks",
"Software Hacks"
] | [
"doom",
"emulator",
"Leapfrog",
"LeapPad",
"LeapPad2",
"leapster",
"LeapsterGS",
"Retroarch"
] | Retro games are a blast, and even more so when you can bring the fun on the go. [mac2612] has developed a custom
retroarch-based firmware
for the Leapster GS and LeapPad2. (via
Bringus Studios
on YouTube)
We covered
Linux on the Leapster
before, but Retroleap seems better documented (and still up on the internet). Inst... | 12 | 8 | [
{
"comment_id": "6586545",
"author": "Isaac Pettis",
"timestamp": "2023-01-30T19:50:24",
"content": "Really cool project, thanks! Many of these systems are tossed after a kid grows out of them or gets bored. New life brethed in.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,415.289923 | ||
https://hackaday.com/2023/01/30/what-losing-everything-taught-me-about-backing-up/ | What Losing Everything Taught Me About Backing Up | Lewin Day | [
"computer hacks",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"backup",
"backups",
"loss",
"theft"
] | Backing up. It’s such a simple thing on paper – making a copy of important files and putting them in a safe place. In reality, for many of us, it’s just another thing on that list of things
we really ought to be doing
but never quite get around to.
I was firmly in that boat. Then, when disaster struck, I predictably lo... | 128 | 50 | [
{
"comment_id": "6586414",
"author": "Sean",
"timestamp": "2023-01-30T15:17:29",
"content": "I’m feel terrible about your loss, but thank you seeing the positive side and sharing your experience and thoughts for us all to learn from.I had a very VERY close call once with me stupidly leaving a minima... | 1,760,372,415.5776 | ||
https://hackaday.com/2023/01/30/wizards-get-creative-maybe-save-the-world/ | Wizards Get Creative, Maybe Save The World | Jonathan Bennett | [
"Games",
"News"
] | [
"creative commons",
"Dungeons and Dragons",
"Open Gaming",
"Wizards of the Coast"
] | While it’s not normal Hackaday fare,
we’ve covered the Dungeons & Dragons licensing kerfuffle
, partially because we’re all nerds at heart, and also because it’s worrying that an Open Source styled license could be “deauthorized”. I did touch base with the Open Source Initiative, and got a telling comment that this iss... | 12 | 6 | [
{
"comment_id": "6586371",
"author": "Foldi-One",
"timestamp": "2023-01-30T12:42:45",
"content": "Good to see WoTC stupidity and greed has at least rung a few alarm bells and lead to better protections in other areas of open source. And now they have backed down on the historical changes we don’t ha... | 1,760,372,415.807332 | ||
https://hackaday.com/2023/01/30/inside-a-1940s-spy-radio/ | Inside A 1940’s Spy Radio | Al Williams | [
"Teardown",
"Wireless Hacks"
] | [
"boat anchor",
"radio receiver"
] | The
RCA CR-88
was a radio receiver made to work in top-secret government eavesdropping stations. As you might expect, these radios are top-of-the-line, performance-wise, at least when they are working correctly. [Mr. Carlson] has one on his bench, and we get to watch the show on his recent video that you can see below.... | 18 | 10 | [
{
"comment_id": "6586338",
"author": "Simon Eatough",
"timestamp": "2023-01-30T09:33:05",
"content": "What was the difference between the cr88 and ar88 ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6586415",
"author": "yet another bruce",
... | 1,760,372,414.926193 | ||
https://hackaday.com/2023/01/29/surgery-on-an-led-to-preserve-vintage-aesthetics/ | Surgery On An LED To Preserve Vintage Aesthetics | Lewin Day | [
"LED Hacks"
] | [
"audio",
"led",
"leds",
"repair"
] | [Chris Jones] recently found himself in a pickle. An indicator LED off an old piece of stereo equipment had failed. It was a strange rectangular type for which he could source no modern substitute. Using a different LED would ruin the aesthetic. Thus, what else was [Chris] to do, but attempt surgery on an LED!
The firs... | 53 | 21 | [
{
"comment_id": "6586292",
"author": "Dude",
"timestamp": "2023-01-30T06:38:57",
"content": "One thing to note is that modern LEDs are substantially brighter and may become overdriven when substituted for old LEDs in circuit. You no longer need to use 25 mA to drive a red LED.",
"parent_id": nul... | 1,760,372,415.025351 | ||
https://hackaday.com/2023/01/29/ambient-display-tells-you-if-borealis-is-coming-to-town/ | Ambient Display Tells You If Borealis Is Coming To Town | Navarre Bartz | [
"hardware",
"home hacks",
"Microcontrollers"
] | [
"7 segment",
"ambient display",
"aurora borealis",
"ESP8266",
"microcontroller",
"NodeMCU",
"northern lights",
"tutorial",
"veneer"
] | For those times when you’d rather not get sucked down another internet rabbit hole when you really just wanted the weather, an ambient display can be great. [AlexanderK106] built a simple ambient display to know the
probability the Northern Lights
would visit his town.
Starting with a NodeMCU featuring the ESP8266, [Al... | 8 | 4 | [
{
"comment_id": "6586257",
"author": "pelrun",
"timestamp": "2023-01-30T04:18:49",
"content": "Surely he could just check to see if smoke is coming out of his kitchen?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6586271",
"author": "bemusedHorsema... | 1,760,372,415.854138 | ||
https://hackaday.com/2023/01/29/hackaday-links-january-29-2023/ | Hackaday Links: January 29, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"Academic",
"ChatGPT",
"CHEATING",
"comet C/2022 E3 (ZTF)",
"crypto mining",
"diatomic carbon",
"Empire State Building",
"exam",
"fish",
"hackaday links",
"machine vision",
"MBA",
"motion capture",
"noise",
"pokemon",
"test"
] | We’ve been told for ages that “the robots are coming for our jobs!” It’s true that we’ve seen robots capable of everything from burger flipping to bricklaying being demonstrated, and that’s certainly alarming for anyone employed in such trades. But now it looks like AI has set its sights set on the white-collar world, ... | 22 | 8 | [
{
"comment_id": "6586224",
"author": "me",
"timestamp": "2023-01-30T00:20:47",
"content": "Soulless automaton, required a lot of help from others (which went mostly unacknowledged) and got the math wrong? Sounds like an MBA to me!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,416.043599 | ||
https://hackaday.com/2023/01/29/automatic-on-air-light-prevents-distractions-during-online-meetings/ | AutomaticOn AirLight Prevents Distractions During Online Meetings | Robin Kearey | [
"home hacks"
] | [
"ESP32",
"illuminated sign",
"on air",
"thingspeak"
] | Remote working has become so normal that even important meetings are now routinely held online. But for those working from home there’s always the risk of pets or flatmates entering the room right when you’re in a heated argument with your boss or presenting your results to an important client. To overcome this problem... | 6 | 5 | [
{
"comment_id": "6586183",
"author": "AggregatVier",
"timestamp": "2023-01-29T22:19:47",
"content": "We used Alexa Dots to control WIFI lamp sockets to control different color “flame” LEDs – Blue for phone and Red for Zoom – placed strategically near AC outlets close to either the home office or the... | 1,760,372,415.918056 | ||
https://hackaday.com/2023/01/29/self-watering-planters-reuse-household-jars/ | Self-Watering Planters Reuse Household Jars | Donald Papp | [
"green hacks"
] | [
"3d printed",
"diy",
"green",
"planter",
"reuse",
"self-watering"
] | Self-watering planters are low-maintenance, and common DIY projects. What we like most about [Tommy]’s design is that it
reuses empty jars to create self-watering planters
. After all, jars are fantastic at reliably holding water, so why not put them to work? Incorporating jars as part of the design means fewer worries... | 9 | 4 | [
{
"comment_id": "6586141",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-29T20:21:35",
"content": "If Wide Mouth Mason (or Kerr) canning jars are not the default threads (cover screw), I hope someone with the OpenSCAD skills will develop one.",
"parent_id": null,
"de... | 1,760,372,416.28561 | ||
https://hackaday.com/2023/01/29/wireless-minidisc-walkman-has-bluetooth-inside/ | Wireless MiniDisc Walkman Has Bluetooth Inside | Robin Kearey | [
"digital audio hacks"
] | [
"bluetooth",
"minidisc",
"portable audio"
] | For most people, MiniDisc is just one of countless media formats that became obsolete when music went online. Not so for MiniDisc enthusiasts, many of whom still use a MiniDisc deck at home and a MiniDisc Walkman on the go. Unfortunately, high-end headphones these days often come with Bluetooth connectivity only, neces... | 17 | 7 | [
{
"comment_id": "6586104",
"author": "Michael Black",
"timestamp": "2023-01-29T18:18:25",
"content": "I have two used Minidisc players. The first is playback only, hence I boughtthe next one I saw at a garage sale.The bluetooth transmitters I’ve bought are pretty small. Im tempted just to glue one... | 1,760,372,416.108212 | ||
https://hackaday.com/2023/01/29/opening-a-safe-with-a-stepper-motor-and-diy-auto-dialer/ | Opening A Safe With A Stepper Motor And DIY Auto-Dialer | Maya Posch | [
"Security Hacks"
] | [
"safe autodialer",
"safe cracking"
] | What do you do when you happen to come into possession of a safe of which the combination is lost to the sands of time? If you’re someone like [eNBeWe], you grab a stepper motor with driver module you had lying around gathering dust, an ESP8266 for the brains and a few other pieces to
build your very own auto-dialer
to... | 24 | 10 | [
{
"comment_id": "6586049",
"author": "JR",
"timestamp": "2023-01-29T13:59:08",
"content": "Bookmarking this one: I want to connect my dumb boiler to a ras pi with next to no risk of breaking the landlord’s boiler, or having to mess with mains relays.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,372,415.982678 | ||
https://hackaday.com/2023/01/29/illuminate-your-benched-things-with-this-death-stranding-lamp/ | Illuminate Your Benched Things With This Death Stranding Lamp | Abe Connelly | [
"3d Printer hacks",
"LED Hacks",
"Machine Learning"
] | [
"3D printable",
"cosplay",
"nRF52840",
"TinyML",
"TTP223",
"video game",
"ws2812"
] | [Pinkman] creates a smart RGB
table lamp
based off of the “Odradek device” robot arm from the video game “Death Stranding”.
[Pinkman] adds a XIAO BLE nRF52840 Sense device, with Bluetooth support, microphone and TinyML capability. The nRF52840 is used to push data to the five WS2812 strips, one for each “blade” of the ... | 4 | 4 | [
{
"comment_id": "6586005",
"author": "Kaaaaaaaaaaaaaaaaang",
"timestamp": "2023-01-29T10:19:38",
"content": "Great Prop, Great Build, Shit game…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6586068",
"author": "Olivier",
"timestamp": "2023-01-29T15:2... | 1,760,372,416.353225 | ||
https://hackaday.com/2023/01/28/the-voice-of-chatgpt-is-now-on-the-air/ | The Voice Of ChatGPT Is Now On The Air | Lewin Day | [
"Misc Hacks"
] | [
"ai",
"ChatGPT",
"text to speech",
"voice",
"voice recognition"
] | AIs can now apparently carry on a passable conversation, depending on what you classify as passable conversation. The quality of your local pub’s banter aside, an AI stuck in a text box doesn’t have much of a living quality.
human.
An AI that holds a conversation aloud, though, is another thing entirely.
[William Franz... | 39 | 19 | [
{
"comment_id": "6585961",
"author": "_Sol_",
"timestamp": "2023-01-29T06:22:13",
"content": "How long before ChatGPT and FT8 are merged?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6586274",
"author": "muhsin de TA1MHS",
"timestamp": "202... | 1,760,372,416.609692 | ||
https://hackaday.com/2023/01/28/creative-vandalism-the-kitt-way/ | Creative Vandalism The KITT Way | Jenny List | [
"LED Hacks"
] | [
"KITT",
"knight rider",
"LED scanner",
"london"
] | It’s probable that most of us have at some time dreamed up a witty and subversive way to deface our city, but that few of us will have followed through on the idea. [Matt Gray] then is something of a modern-day urban hero for doing just that. Who couldn’t walk past Knightrider Court, EC4, in the City of London, without... | 14 | 10 | [
{
"comment_id": "6585929",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-29T03:05:59",
"content": "So, the authorities will probably arrest him on vandalism, public nuisance, and several charges of domestic terrorism?Because they have no sense of humor.(Not true, a security ... | 1,760,372,416.404507 | ||
https://hackaday.com/2023/01/28/3d-printed-servo-motor-has-360-degrees-of-rotation/ | 3D-Printed Servo Motor Has 360 Degrees Of Rotation | Lewin Day | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printed",
"servo"
] | Hobby servos are nifty and useful for a wide range of projects. There’s nothing stopping you from building your own servos though, and you can even give them nifty features like 360-degree rotation In fact,
that’s exactly what [Aaed Musa] did!
The servo relies on 3D printed gears in a 3D printed housing. The design mak... | 11 | 7 | [
{
"comment_id": "6585912",
"author": "Now just Bob",
"timestamp": "2023-01-29T01:19:43",
"content": "Seems to me the motor is not 3D printed. However, very cool housing and gearing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6586120",
"author": "... | 1,760,372,416.449916 | ||
https://hackaday.com/2023/01/28/an-atomic-pendulum-clock-accurate-enough-for-cern/ | An Atomic Pendulum Clock Accurate Enough For CERN | Dan Maloney | [
"clock hacks"
] | [
"arduino",
"cern",
"cesium",
"chain",
"invar",
"pendulum",
"phase-locked loop",
"PLL",
"stepper"
] | That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum timepiece would be limited to a sizable fraction of a minute per day. Unless, of course, you work at CERN and built
“the most accu... | 31 | 12 | [
{
"comment_id": "6585852",
"author": "Greg A",
"timestamp": "2023-01-28T21:14:58",
"content": "i don’t understand. it sounds like his clock is trained to the nuclear clock, not an alternative to it? i mean, ntp running on my home pc won’t ever get more than 1 second away from the stratum 0 time so... | 1,760,372,416.524333 | ||
https://hackaday.com/2023/01/28/toroidal-propellers-make-drones-less-annoying/ | Toroidal Propellers Make Drones Less Annoying | Navarre Bartz | [
"drone hacks",
"Parts",
"Transportation Hacks"
] | [
"3d printed",
"3D printed propeller",
"drone propeller",
"drones",
"mit",
"MIT lincoln lab",
"prop",
"propeller"
] | Despite being integral to aviation for more than a century, propellers have changed remarkably little since the Wright Brothers. A team at MIT’s Lincoln Lab has developed a new propeller shape
that significantly reduces the noise associated with drones
. [PDF via
NewAtlas
]
Inspired by some of the experiments with “
ri... | 61 | 23 | [
{
"comment_id": "6585806",
"author": "ono",
"timestamp": "2023-01-28T18:06:13",
"content": "It won´t take long before it will be used on the battlefield in UA !",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6585810",
"author": "Eric",
"times... | 1,760,372,416.721098 | ||
https://hackaday.com/2023/01/28/speak-to-the-machine/ | Speak To The Machine | Elliot Williams | [
"3d Printer hacks",
"Rants"
] | [
"g-code",
"newsletter"
] | If you own a 3D printer, CNC router, or basically anything else that makes coordinated movements with a bunch of stepper motors,
chances are good that it speaks G-code
. Do you?
If you were a CNC machinist back in the 1980’s, chances are very good that you’d be fluent in the language, and maybe even a couple different ... | 16 | 10 | [
{
"comment_id": "6585766",
"author": "Rev JMoney",
"timestamp": "2023-01-28T15:18:16",
"content": "I learned gcode in a proper tool n die shop about thirty years ago. Not working with those cnc machines cutting steel now, it is so much fun having a 3d printer and being able to read the code my slic... | 1,760,372,416.88681 | ||
https://hackaday.com/2023/01/28/original-controller-ports-in-custom-case-means-retro-gaming-in-style/ | Original Controller Ports In Custom Case Means Retro Gaming In Style | Donald Papp | [
"computer hacks",
"Games"
] | [
"3d printed",
"console",
"controllers",
"finishing",
"fpga",
"post-processing",
"retro gaming",
"Vintage Gaming"
] | Some careful measuring and a little extra effort can be all that separates what looks like a hack job from a slick end product, and that is apparent in [Eric Sorensen]’s
classy retrogaming rig
, complete with ports for original console controllers.
Neatly housing these components in a case makes all the difference.
[Er... | 34 | 6 | [
{
"comment_id": "6585764",
"author": "Foldi-One",
"timestamp": "2023-01-28T15:16:29",
"content": "I really wonder what is wrong with people sometimes that they have such nostalgia for awful to hold and use controllers…Still its a great looking project, and Ideal if you do long to play hand cramps in... | 1,760,372,416.829029 | ||
https://hackaday.com/2023/01/28/the-times-they-are-a-chaining/ | The Times They Are A-Chaining | Al Williams | [
"clock hacks"
] | [
"clock",
"steampunk"
] | If [Bob Dylan] had seen [Pgeschwi]’s
bike chain clock
, it might have influenced the famous song. The clock uses a stepper motor and a bike chain to create a clock that has a decidedly steampunk vibe. Despite the low-tech look, the build uses 3D printing and, of course, a bike chain.
A full view of the bike chain clock... | 6 | 3 | [
{
"comment_id": "6585692",
"author": "Jan",
"timestamp": "2023-01-28T09:43:48",
"content": "a work of art, I love it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6585894",
"author": "Derek Tombrello",
"timestamp": "2023-01-28T23:45:23",
"content"... | 1,760,372,416.94352 | ||
https://hackaday.com/2023/01/27/fps-game-engine-built-in-ancient-macintosh-hypercard-software/ | FPS Game Engine Built In Ancient Macintosh HyperCard Software | Lewin Day | [
"Retrocomputing"
] | [
"hypercard",
"mac",
"macintosh",
"retrocomputing"
] | Wolfenstein 3D
and
Doom
are great examples of early FPS games. Back in that era, as Amiga was slowly losing its gaming supremacy to the PC, Apple wasn’t even on the playing field. However, [Chris Tully] has used the 90s HyperCard platform to create an FPS of his own,
and it’s charming in what it achieves.
If you’re not... | 14 | 12 | [
{
"comment_id": "6585658",
"author": "Ostracus",
"timestamp": "2023-01-28T06:08:00",
"content": "“It’s thus more of a First Person Walker than First Person Shooter. It features four small rooms with perpendicular, vertical walls, rendered either greyscale or 8-bit color. ”Kind of like that windows s... | 1,760,372,417.0443 | ||
https://hackaday.com/2023/01/27/a-single-resistor-radio-transmitter-thanks-to-the-power-of-noise/ | A Single-Resistor Radio Transmitter, Thanks To The Power Of Noise | Dan Maloney | [
"Wireless Hacks"
] | [
"bandpass filter",
"feedhorn",
"Johnson Noise",
"Johnson-Nyquist",
"LNA",
"modulation",
"on off keying",
"OOK",
"physics",
"sdr",
"Thermal",
"wireless"
] | One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s not a bad thing, of course; after all, everyone is here to get smarter, right? So let’s work together to get our heads around
this paper
(PDF) by [Zerina Kapetanovic], [Miguel Morales], and [Joshua R. Smith] fro... | 36 | 11 | [
{
"comment_id": "6585633",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-28T03:17:10",
"content": "Witchery!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6585637",
"author": "Ostracus",
"timestamp": "2023-01-28T03:4... | 1,760,372,417.672976 | ||
https://hackaday.com/2023/01/27/reverse-engineering-the-conditional-jump-circuitry-in-the-8086-processor/ | Reverse-Engineering The Conditional Jump Circuitry In The 8086 Processor | Maya Posch | [
"Reverse Engineering"
] | [
"Intel 8086",
"microprocessor",
"reverse engineering"
] | The condition PLA evaluates microcode conditionals.
As simple as a processor’s instruction set may seem, especially in a 1978-era one like the Intel 8086, there is quite a bit going on to go from something like a conditional jump instruction to a set of operations that the processor can perform. For the CISC 8086 CPU t... | 13 | 3 | [
{
"comment_id": "6585591",
"author": "Mmmdee",
"timestamp": "2023-01-28T00:24:28",
"content": "I have “fond” memories of developing microcode for a made-up processor back in graduate school in the late 80s. With such training, you get a near close as possible understanding of bare metal computer pro... | 1,760,372,417.174333 | ||
https://hackaday.com/2023/01/27/cut-your-own-gears-with-this-diy-machine/ | Cut Your Own Gears With This DIY Machine | Lewin Day | [
"Tool Hacks"
] | [
"cutting tool",
"gear cutting",
"gear train",
"gearbox",
"gears",
"machine"
] | You can buy gears off the shelf, of course, and get accurately machined parts exactly to your chosen specification. However, there’s something
rugged and individualist
about producing your own rotating components. [Maciej Nowak] demonstrates just how to produce your own gears
with a homemade cutting tool
.
The cutting ... | 29 | 11 | [
{
"comment_id": "6585543",
"author": "smellsofbikes",
"timestamp": "2023-01-27T21:29:05",
"content": "I’ve done this, it works, but it does bear pointing out that the result of this is gears that have slightly helical teeth with a slight depression in the center. It’s a great way to make wormgears.... | 1,760,372,417.118508 | ||
https://hackaday.com/2023/01/27/led-air-vent-gauges-are-a-tasteful-mod-for-the-mazda-miata/ | LED Air Vent Gauges Are A Tasteful Mod For The Mazda Miata | Lewin Day | [
"car hacks"
] | [
"car",
"car hacks",
"mazda miata",
"mazda MX-5",
"miata"
] | Anyone in the JDM scene can tell you, round air vents are prime real estate for round analog gauges. If you want a gauge but don’t want to block your vent,
you could consider building these LED vent gauges from [ktanner] instead.
Tasteful, no?
The design is simple. It relies on 3D printing a replacement bezel for the M... | 23 | 9 | [
{
"comment_id": "6585522",
"author": "Slacker",
"timestamp": "2023-01-27T20:09:03",
"content": "I’m not sure ‘tasteful’ is the word you’re looking for..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6585528",
"author": "Keith Tanner",
"times... | 1,760,372,417.242402 | ||
https://hackaday.com/2023/01/27/hackaday-podcast-203-flashlight-fuel-fails-weird-dma-machines-and-a-3d-printed-prosthetic-hand-flex/ | Hackaday Podcast 203: Flashlight Fuel Fails, Weird DMA Machines, And A 3D Printed Prosthetic Hand Flex | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi meet up virtually to talk about all the hacks that are fit to print. This week’s episode starts off with a discussion about the recently unveiled 2023 Hackaday.io Low-Power Challenge, and how hackers more often than not thrive when forced to work ... | 2 | 1 | [
{
"comment_id": "6585736",
"author": "Zach",
"timestamp": "2023-01-28T13:31:02",
"content": "Tinkercad had some decent modular parts that can be drag and drop in the hardware section of its built in library. It has ball and socket like stuff that could be used to make the joints of an articulating ... | 1,760,372,417.416349 | ||
https://hackaday.com/2023/01/27/esp8266-coaster-keeps-your-drink-warm/ | ESP8266 Coaster Keeps Your Drink Warm | Abe Connelly | [
"PCB Hacks"
] | [
"coaster",
"ESP8266",
"mqtt",
"pcb art",
"PCB Heater"
] | Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs that can
keep your drink warm with an internal heater
. (Chinese).
An ESP8266 sits as the main controller, with an additional MQTT control option, where the whole unit is powered over a USB-C connection. On board PCB t... | 5 | 2 | [
{
"comment_id": "6585495",
"author": "echodelta",
"timestamp": "2023-01-27T18:51:28",
"content": "I wish I still had my original Mattel ThingMaker cup holder warmer. It wouldn’t work with today’s mugs though.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "65... | 1,760,372,417.281982 | ||
https://hackaday.com/2023/01/27/this-week-in-security-gta-apple-and-android-and-insecure-boot/ | This Week In Security: GTA, Apple And Android, And Insecure Boot | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"This Week in Security"
] | When we first saw tweets about a security issue in Grand Theft Auto V, it sounded a bit like a troll. “Press ‘alt and f4’ to unlock a cheat mode”, or the hacker that claims to be able to delete your character.
[Tez2]’s warning tweet
that you shouldn’t play GTA Online without a firewall sounds like another of these onli... | 11 | 4 | [
{
"comment_id": "6585425",
"author": "Gravis",
"timestamp": "2023-01-27T15:21:40",
"content": "FYI, “QT” isalwayswritten Qt because QT hasalwaysbeen QuickTime.Anyway, I’m with Qt on this issue because the stated purpose of QML is to reduce the amount of code needed to write complex GUIs. Executing a... | 1,760,372,417.526189 | ||
https://hackaday.com/2023/01/27/wolfenstein-3d-as-you-never-imagined-it/ | Wolfenstein 3D, As You Never Imagined It. | Jenny List | [
"classic hacks",
"Games"
] | [
"8088",
"cga",
"retrogaming",
"wolfenstein"
] | When tracing the history of first-person shooting (FPS) games, where do you credit with the genesis of the genre? Anyone who played
3D Monster Maze
on the Sinclair ZX81 might dare to raise a hand, but we’re guessing that most of you will return to the early 1990s, and id Software. Their 1992 title
Wolfenstein 3D
might ... | 21 | 6 | [
{
"comment_id": "6585367",
"author": "Glaskows",
"timestamp": "2023-01-27T12:56:17",
"content": "Surprising to see it running on such lowly CPU, amazing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6585398",
"author": "Joshua",
"timestamp"... | 1,760,372,417.4765 | ||
https://hackaday.com/2023/01/27/3d-printer-spool-roller-is-built-for-giant-spools-of-filament/ | 3D Printer Spool Roller Is Built For Giant Spools Of Filament | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"filament",
"spool holder"
] | Most 3D printers come with a pretty basic filament holder — often little more than a bar to hang the spool on. [Ivan Miranda]’s 3D printers run bigger spools than most, though,
so he had to craft an altogether more serious solution.
Unlike most of [Ivan]’s creations, the spool holder isn’t actually 3D printed. For this... | 15 | 8 | [
{
"comment_id": "6585358",
"author": "Daid",
"timestamp": "2023-01-27T12:15:00",
"content": "Ok, that will cause problems. It runs too smooth, meaning that if the printer gives a tug on it and then stops, the spool will spin more and the material will get a bit lose. Repeat this a bunch of times and... | 1,760,372,417.590844 | ||
https://hackaday.com/2023/01/26/lego-guitar-is-really-an-ultrasonically-controlled-synth/ | Lego Guitar Is Really An Ultrasonically-Controlled Synth | Lewin Day | [
"Musical Hacks"
] | [
"guitar",
"lego",
"slide",
"synth",
"synth guitar",
"ultrasonic sensor"
] | The phrase “Lego Guitar” can be a stressful one to hear. You might imagine the idea of strings under tension and a subsequently exploding cloud of plastic shrapnel.
This build from the [Brick Experiment Channel] eschews all that
, thankfully, and is instead a digital synth that only emulates a guitar in its rough form ... | 4 | 2 | [
{
"comment_id": "6585276",
"author": "Dude",
"timestamp": "2023-01-27T07:16:41",
"content": "Now now – it’s a value-adding service that is well worth the advertising dollars. Think about it – the original author gets more views to their video, and Google gets their 30% cut, and HaD also gets page cl... | 1,760,372,417.717778 | ||
https://hackaday.com/2023/01/26/tracking-humans-with-wifi/ | Tracking Humans With WiFi | Navarre Bartz | [
"Artificial Intelligence",
"Security Hacks",
"Wireless Hacks"
] | [
"big brother",
"human detection",
"pose detection",
"surveillance",
"tracking",
"wifi"
] | In case you thought that cameras, LiDAR, infrared sensors, and the like weren’t enough for Big Brother to track you, researchers from Carnegie Mellon University have found a way to
track human movements via WiFi
. [PDF via
VPNoverview
]
The process uses the signals from WiFi routers for an inexpensive way to determine ... | 45 | 11 | [
{
"comment_id": "6585183",
"author": "TG",
"timestamp": "2023-01-27T03:07:41",
"content": "“The authors claim this to use privacy-preserving algorithms for human sensing”HA I despise these people",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6585359",
... | 1,760,372,417.799824 | ||
https://hackaday.com/2023/01/26/binary-watch-rocks-a-bare-pcb-with-pride/ | Binary Watch Rocks A Bare PCB With Pride | Lewin Day | [
"clock hacks",
"News"
] | [
"binary",
"binary clock",
"binary watch",
"led",
"pcb",
"smd"
] | Most of us learn to read digital clocks first, which display the time in obvious numbers. Analog clocks are often learned later, with the hands taking our young brains a little longer to figure out. Once you’ve grown into a 1337h4XX0r, though, you’re ready to learn how to read a binary watch. Then you can build your ow... | 18 | 10 | [
{
"comment_id": "6585115",
"author": "Scott",
"timestamp": "2023-01-27T00:54:55",
"content": "Us of a certain age learned to read “analog” clocks before digital clock were common, or even existed for the masses.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,417.917717 | ||
https://hackaday.com/2023/01/26/casting-custom-resin-buttons-for-the-steam-deck/ | Casting Custom Resin Buttons For The Steam Deck | Tom Nardi | [
"Games",
"Parts"
] | [
"custom controller",
"resin casting",
"silicone mold",
"steam deck",
"UV resin"
] | If you play games on multiple consoles, you’re probably familiar with the occasional bout of uncertainty that comes with each system’s unique button arrangement. They’re all more or less in the same physical location, but each system calls them something different. Depending on who’s controller you’re holding, the same... | 11 | 4 | [
{
"comment_id": "6585063",
"author": "smellsofbikes",
"timestamp": "2023-01-26T22:28:05",
"content": "Gina always comes up with great ideas, but this is particularly awesome in using that food container as a vacuum chamber. I do a lot of stuff that could use a cheap somewhat-low-pressure vacuum, fo... | 1,760,372,417.857963 | ||
https://hackaday.com/2023/01/26/ads-b-exchange-sells-up-contributors-unhappy/ | ADS-B Exchange Sells Up, Contributors Unhappy | Jenny List | [
"News",
"Transportation Hacks"
] | [
"ads-b",
"crowdsourcing",
"open source"
] | In the news among aviation enthusiasts, the
ADS-B data aggregation and aircraft tracking site ADSB-Exchange has been sold by its founder to JETNET
for a reported $20,000,000. This type of routine financial news is more at home in the business media than on Hackaday, but in this case there’s something a little different... | 62 | 25 | [
{
"comment_id": "6584990",
"author": "steelman",
"timestamp": "2023-01-26T19:38:01",
"content": "how many of us can truly claim their open source beliefs wouldn’t start to buckle once somebody slides a $20m check across the table?That is why copyleft licenses are so important. And proper contracts s... | 1,760,372,418.124039 | ||
https://hackaday.com/2023/01/26/all-about-usb-c-framework-laptop/ | All About USB-C: Framework Laptop | Arya Voronova | [
"computer hacks",
"Hackaday Columns",
"Slider"
] | [
"Framework laptop",
"Type-C",
"USB C",
"USB Type-C",
"USB-C PD"
] | Talking about high-quality USB-C implementations, there’s a product that has multiple selling points designed around USB-C, and is arguably a shining example of how to do USB-C right. It’s the Framework laptop, where the USB-C expansion cards take the center stage.
Full disclosure – this article is being typed on a Fra... | 28 | 9 | [
{
"comment_id": "6584971",
"author": "philosiraptor117",
"timestamp": "2023-01-26T19:08:44",
"content": "they are pretty committed to the ecosystem too, they gave out a gripload of the mainboards out to folks and everyone started cobbling thier own computers together. I for one am in love with the u... | 1,760,372,418.198376 | ||
https://hackaday.com/2023/01/26/exploring-the-hall-effect-for-haptic-feedback-ps4-joysticks/ | Exploring The Hall Effect For Haptic Feedback PS4 Joysticks | Dan Maloney | [
"Peripherals Hacks",
"Playstation Hacks"
] | [
"BLDC",
"hall effect",
"haptic",
"Joystick",
"neodymium",
"pcb motor",
"ps4",
"sensor",
"TMAG5170",
"TMAG5273"
] | Modern gaming console controllers aren’t without their annoyances — Joy-Con drift, anyone? The problems might stem from design deficiencies, but we suspect that user enthusiasm and the mechanical stress it can introduce might play a significant role as well. Either way, [Marius Heier] decided to take a look at what wou... | 10 | 6 | [
{
"comment_id": "6584957",
"author": "duuudeder87",
"timestamp": "2023-01-26T18:11:52",
"content": "There where drop in replacement analoge sticks with hall effect sensors for switch joycons released just a few weeks ago",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,418.002791 | ||
https://hackaday.com/2023/01/26/do-you-need-the-raspberry-pi-camera-module-v3/ | Do You Need The Raspberry Pi Camera Module V3? | Jenny List | [
"Current Events",
"digital cameras hacks",
"Raspberry Pi",
"Reviews"
] | [
"autofocus",
"Pi camera",
"Raspberry pi camera"
] | This month came the announcement of some new camera modules from Raspberry Pi. All eyes were on
version 3 of their standard camera module
, but they also sneaked out
a new version of their high quality camera with an M12 lens mount
. The version 3 module is definitely worth a look, so I jumped on a train to Cambridge f... | 22 | 14 | [
{
"comment_id": "6584903",
"author": "Daid",
"timestamp": "2023-01-26T15:37:48",
"content": "As not mentioned in the article, I looked it up. Yes, you can manually focus and disable autofocus on this camera as well. Which I think is also a very important feature.",
"parent_id": null,
"depth"... | 1,760,372,418.997549 | ||
https://hackaday.com/2023/01/26/better-macro-images-with-arduino-focus-stacking/ | Better Macro Images With Arduino Focus Stacking | Al Williams | [
"Arduino Hacks",
"digital cameras hacks"
] | [
"focus stacking",
"macro photography"
] | If you’ve ever played around with macro photography, you’ve likely noticed that the higher the lens magnification, the less the depth of field. One way around this issue is to take several slices at different focus points, and then stitch the photos together digitally.
As [Curious Scientist] demonstrates
, this is a re... | 17 | 4 | [
{
"comment_id": "6584821",
"author": "alialiali",
"timestamp": "2023-01-26T12:22:20",
"content": "Had to watch video on silentHow do you merge the photos? Somehow make a mask from focus (? Based on an FFT)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "65848... | 1,760,372,418.929778 | ||
https://hackaday.com/2023/01/26/adding-electronic-shifter-functionality-to-bicycle-derailleur/ | Adding Electronic Shifter Functionality To Bicycle Derailleur | Maya Posch | [
"Transportation Hacks"
] | [
"derailleur",
"electronic shifter"
] | For the overwhelming majority of bicycles out there that feature multiple gears, switching between these is done purely mechanically, with a cable. Generally this uses a derailleur, which forms part of the gear switching and chain tensioning mechanism. As a mechanical system, it’s reliable when well maintained, but tun... | 19 | 9 | [
{
"comment_id": "6584829",
"author": "James",
"timestamp": "2023-01-26T12:46:12",
"content": "For a general rider, I think elec shifting is folly unless you make use of the ability to detect shift performance and correct for misalignment on the fly. It’s just a reason to carry around another thing t... | 1,760,372,418.291127 | ||
https://hackaday.com/2023/01/25/a-simple-air-suspension-demo-with-lego-technic/ | A Simple Air Suspension Demo With Lego Technic | Lewin Day | [
"car hacks"
] | [
"air suspension",
"car",
"lego",
"lego technic",
"suspension",
"Technic"
] | The most common suspension systems on automobiles rely on simple metal springs. Leaf spring and coil spring designs both have their pros and cons, but fundamentally it’s all about flexing metal doing the work. Air suspension works altogether differently, employing gas as a spring,
as demonstrated by this simple Lego bu... | 19 | 7 | [
{
"comment_id": "6584725",
"author": "irox",
"timestamp": "2023-01-26T07:27:05",
"content": "LEGO Technic 8860 was one of my most favorite childhood Christmas presents ever!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6584762",
"author": "Dave",
... | 1,760,372,418.346093 | ||
https://hackaday.com/2023/01/25/toxic-telescope-makes-you-mad-as-a-hatter/ | Toxic Telescope Makes You Mad As A Hatter | Al Williams | [
"Science"
] | [
"liquid mirror telescope",
"mercury",
"mirror"
] | [Hank Green] posted an interesting video about the
first liquid mirror telescope
from back in the 1850s. At the time, scientists were not impressed. But, these days, people are revisiting the idea. The big problem with the early telescope is that it used mercury. Mercury is really bad for people and the environment.
Th... | 51 | 18 | [
{
"comment_id": "6584622",
"author": "lwatcdr",
"timestamp": "2023-01-26T03:20:53",
"content": "So why not spin molten glass and allow it to cool slowly? Maybe they already do so and I am just not aware of it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,418.640997 | ||
https://hackaday.com/2023/01/25/unlocking-hidden-features-of-an-unusual-camera/ | Unlocking Hidden Features Of An Unusual Camera | Robin Kearey | [
"digital cameras hacks"
] | [
"disassembler",
"light field",
"lytro"
] | Back in 2012, technology websites were abuzz with news of the Lytro: a camera that was going to revolutionize photography thanks to its innovative
light field
technology. An array of microlenses in front of the sensor let it capture a 3D image of a scene from one point, allowing the user to extract depth information an... | 65 | 20 | [
{
"comment_id": "6584524",
"author": "KSlith",
"timestamp": "2023-01-26T00:09:11",
"content": "The HAD effect strikes again. Lytro light field cameras immediately shot to $100/each.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6584528",
"author": "... | 1,760,372,418.878436 | ||
https://hackaday.com/2023/01/25/pizza-making-cnc-machine-is-the-only-tool-weve-ever-dreamed-of/ | Pizza-Making CNC Machine Is The Only Tool We’ve Ever Dreamed Of | Lewin Day | [
"home hacks"
] | [
"cheese",
"CNC machine",
"Pizza",
"sauce"
] | Making pizza is fun, but eating pizza is even better. Ideally, you’ll get to spend much more time doing the latter than the former. If you had a pizza-making CNC machine, that would help you achieve this goal, and thankfully,
[Twarner] is working on that very technology.
The Pizza-Pizza CNC Machine is based on Marlin f... | 20 | 10 | [
{
"comment_id": "6584419",
"author": "Andrzej",
"timestamp": "2023-01-25T21:14:10",
"content": "Next step – add a heated “build platform”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6584423",
"author": "doobie",
"timestamp": "2023-01-25T21:22:44",
... | 1,760,372,418.704804 | ||
https://hackaday.com/2023/01/25/ive-been-printing-on-the-dragon-railroad/ | I’ve Been Printing On The Dragon Railroad… | Al Williams | [
"Toy Hacks"
] | [
"model railroad",
"model train"
] | We know many people who put much effort into building model train setups. But
[Rambros] has an entire set 3D printed
, and the
files are open source
, so you can print your own or modify it to suit you. When we first read “complete open source ecosystem,” we thought it might have been a bit of hyperbole, but it isn’t. ... | 28 | 11 | [
{
"comment_id": "6584384",
"author": "Jan Praegert",
"timestamp": "2023-01-25T20:06:43",
"content": "+2^15One of the best things seen here. Thanks!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6590537",
"author": "Rambros (@rambrosteam)",
"... | 1,760,372,418.766302 | ||
https://hackaday.com/2023/01/25/supercon-2022-sophy-wong-is-making-an-impact-with-artistic-wearables/ | Supercon 2022: Sophy Wong Is Making An Impact With Artistic Wearables | Kristina Panos | [
"cons",
"Hackaday Columns",
"Slider",
"Wearable Hacks"
] | [
"2022 Hackaday Supercon",
"chain maille"
] | Prolific designer and maker Sophy Wong is always looking toward the future, and that goes for everything from the costume pieces she makes to the idea of making itself. In her excellent and highly-visual Supercon talk, Sophy explores both, and gives the viewer a window on her evolved-and-evolving design philosophy.
You... | 5 | 4 | [
{
"comment_id": "6584520",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-26T00:03:18",
"content": "You didn’t mention how she made the face shield for the helmet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6586231",
"auth... | 1,760,372,420.913175 | ||
https://hackaday.com/2023/01/25/diy-macro-keyboard-wood-be-nice/ | DIY Macro Keyboard Wood Be Nice | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"3d printed",
"display",
"editing",
"keyboard",
"macro",
"magnetic rotary encoder",
"pad",
"stm32",
"usb",
"video",
"wood",
"woodworking"
] | Editing video tends to involve a lot of keyboard shortcuts, and while this might be fine for the occasional edit, those who regularly deal with video often reach for a macro pad to streamline their workflow. There are plenty of macro keyboards available specifically meant to meet the needs of those who edit a lot of vi... | 13 | 11 | [
{
"comment_id": "6584262",
"author": "shod",
"timestamp": "2023-01-25T16:48:29",
"content": "Pretty nice, and gracious of him to make the files available.Having said that I consider this to be out of my budget for such things at the moment, with all the equipment needed.",
"parent_id": null,
... | 1,760,372,421.012255 | ||
https://hackaday.com/2023/01/25/open-sourcing-the-lisa-macs-bigger-sister/ | Open-Sourcing The Lisa, Mac’s Bigger Sister | Maya Posch | [
"Current Events",
"Featured",
"Original Art",
"Retrocomputing",
"Slider"
] | [] | Forty years ago, on January 19th of 1983, Apple released the Lisa, which was in many ways a revolutionary system. On January 19th of 2023, to celebrate the system’s 40th birthday, the Computer History Museum
released the source code
for Lisa OS version 3.1 under the
Apple Academic License Agreement
. Written in Pascal,... | 23 | 9 | [
{
"comment_id": "6584211",
"author": "Michael Black",
"timestamp": "2023-01-25T15:26:47",
"content": "I had an Apple III for a while. Never turned it on. Sold more, but lost in history.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6584813",
"auth... | 1,760,372,421.226963 | ||
https://hackaday.com/2023/01/25/secure-lora-mesh-communication-network/ | Secure LoRa Mesh Communication Network | Dave Walker | [
"Radio Hacks",
"Raspberry Pi"
] | [
"mesh",
"network",
"peer-to-peer",
"radio",
"raspberry pi",
"secure"
] | The Internet has allowed us to communicate more easily than ever before, and thanks to modern cell-phone networks, we don’t even have to be tied down to a hard line anymore. But what if you want something a little more direct? Maybe you’re in an area with no cell-phone coverage, or you don’t want to use public networks... | 20 | 7 | [
{
"comment_id": "6584097",
"author": "Stuart Longland",
"timestamp": "2023-01-25T12:04:29",
"content": "> Security is handled via RSA encryption with 256-byte public/private keys and additional SHA256 hashes for authentication.Encryption key sizes are normally given in bits… so that’d be 2048 bits i... | 1,760,372,420.75513 | ||
https://hackaday.com/2023/01/25/new-commodore-vic-20-build/ | New Commodore VIC-20 Build | Maya Posch | [
"Retrocomputing"
] | [
"commodore VIC",
"recreation",
"VIC-20"
] | In a
recent episode of [The Retro Shack]
, a new Commodore VIC-20 is built, using a
‘Vicky Twenty’
replacement PCB by [Bob’s Bits] as the base and as many new components as could be found. The occasion for this was that a viewer had sent in a VIC-20 that turned out to be broken, so in order to diagnose it, building a n... | 14 | 4 | [
{
"comment_id": "6584000",
"author": "zoobab",
"timestamp": "2023-01-25T09:36:03",
"content": "My friend Pieter Hintjens made some games for VIC20, I have the last copy of his games on tapes, I have to find a way to dump them and put all that into an emulator. Anyone with experience with that, consi... | 1,760,372,420.963729 | ||
https://hackaday.com/2023/01/24/sequencing-the-vintage-way/ | Sequencing The Vintage Way | Jenny List | [
"Musical Hacks",
"Retrocomputing"
] | [
"sequencer",
"SWTPC",
"synth"
] | For most of us, an 8-bit microcomputer means one of the home computers which set so many of us on our way back in the 1980s. But this ignores an entire generation of 1970s 8-bit machines which filled the market for affordable office and industrial desktop computing before we were seduced by
Pac-Man
or
Frogger
. It’s on... | 5 | 3 | [
{
"comment_id": "6584084",
"author": "rumpel",
"timestamp": "2023-01-25T11:42:22",
"content": "Ah, the old days…I once had an Appple II and a cheesy drum rompler with midi input. The Apple II was just fast enough to spit out midi via its game port. It needed a nop-tuned machine code call which was j... | 1,760,372,421.057273 | ||
https://hackaday.com/2023/01/24/you-can-help-build-a-resin-printer-review-database/ | You Can Help Build A Resin Printer Review Database | Maya Posch | [
"3d Printer hacks"
] | [
"3d printing",
"resin printer",
"reviews"
] | Picking the best resin (SLA) printer is not an easy task. Every large and small 3D printer manufacturer offers a range of models covering many features that are backed by an equally extensive range of customer support. Although review sites and user feedback on forums can help with making a decision, especially for beg... | 16 | 5 | [
{
"comment_id": "6583835",
"author": "Ostracus",
"timestamp": "2023-01-25T04:16:48",
"content": "Database for resins as well?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6585445",
"author": "VogMan",
"timestamp": "2023-01-27T16:06:10",
... | 1,760,372,420.624515 | ||
https://hackaday.com/2023/01/24/translating-and-broadcasting-spoken-morse-code/ | Translating And Broadcasting Spoken Morse Code | Bryan Cockfield | [
"Radio Hacks"
] | [
"amateur",
"continuous wave",
"cw",
"ham",
"key",
"morse",
"morse code",
"radio",
"verbal",
"voice",
"vox"
] | When the first radios and telegraph lines were put into service, essentially the only way to communicate was to use Morse code. The first transmitters had extremely inefficient designs by today’s standards, so this was more a practical limitation than a choice. As the technology evolved there became less and less reaso... | 24 | 9 | [
{
"comment_id": "6583696",
"author": "Kevin Loughin",
"timestamp": "2023-01-25T00:23:33",
"content": "Thanks for posting. I’ve had several comments from hams who’s physical limitations do indeed impede upon their enjoyment of their favorite mode. They were excited about this project getting them b... | 1,760,372,420.867835 | ||
https://hackaday.com/2023/01/24/generating-pal-video-with-a-heavily-overclocked-pi-pico/ | Generating PAL Video With A Heavily Overclocked Pi Pico | Dave Rowntree | [
"Video Hacks"
] | [
"dma",
"pal",
"PIO",
"Raspberry Pi Pico",
"rp2040",
"video"
] | Barely a week goes by without another hack blessing the RP2040 with a further interfacing superpower. This time it’s the turn of the humble
PAL standard composite video interface
. As many of us of at least a certain vintage will be familiar with, the Phase Alternate Line (PAL to friends) standard was used mainly in Eu... | 19 | 14 | [
{
"comment_id": "6583646",
"author": "just passing",
"timestamp": "2023-01-24T23:10:22",
"content": "PAL isn’t that different from NTSC, and indeed variations of PAL exist that have NTSC’s timing and colourburst frequency. The only real innovation of PAL was that the polarity of the colour signal fl... | 1,760,372,420.68887 | ||
https://hackaday.com/2023/01/24/lanna-factory-makes-you-work-for-your-lampshade/ | Lanna Factory Makes You Work For Your Lampshade | Navarre Bartz | [
"Art",
"home hacks"
] | [
"human powered machines",
"human-powered",
"lamp",
"lampshade",
"thailand",
"traditional",
"yarn"
] | While you could 3D print a lampshade, there’s something to be said for having a more active role in the process of creating an object. [THINKK Studio] has made
custom lampshades as easy as riding a bike
.
The Lanna Factory was inspired by the cotton ball string lamps sold by vendors in Thai flea markets. Bangkok-based ... | 6 | 3 | [
{
"comment_id": "6583506",
"author": "Greg A",
"timestamp": "2023-01-24T19:45:50",
"content": "i once made a lamp shade out of 2 coat hangers and used printer paper. bent the coat hangers into two parallel circles and appropriate connecting bits. to attach the paper, i had to slit it a little bit ... | 1,760,372,420.804994 | ||
https://hackaday.com/2023/01/24/hackaday-low-power-challenge-begins-today/ | Hackaday.io Low-Power Challenge Begins Today | Elliot Williams | [
"contests",
"Hackaday Columns",
"Misc Hacks",
"Parts",
"Slider"
] | [
"challenge",
"hackaday.io",
"low power"
] | How low can you go? The
2023 Hackaday.io Low-Power Challenge
is about doing the most with the least juice – bang for the power-budget buck, if you get our drift. And with three $150 gift certificates from Digi-Key on the line, you’ll be able to keep your projects going forever. The Challenge runs until March 21st, but ... | 23 | 11 | [
{
"comment_id": "6583527",
"author": "Reluctant Cannibal",
"timestamp": "2023-01-24T20:18:58",
"content": "I’m in.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6583528",
"author": "Reluctant Cannibal",
"timestamp": "2023-01-24T20:20:34",
... | 1,760,372,421.434487 | ||
https://hackaday.com/2023/01/24/old-ham-wisdom-leads-to-better-aluminum-painting/ | Old Ham Wisdom Leads To Better Aluminum Painting | Al Williams | [
"chemistry hacks"
] | [
"aluminum",
"metalworking",
"painting"
] | When [bdk6] tried painting aluminum for electronic projects, he found it didn’t tend to stay painted. It would easily scratch off or, eventually, even flake off. The problem is the paint doesn’t want to adhere to the aluminum oxide coating around the metal. Research ensued, and he found an article in an old ham radio m... | 50 | 18 | [
{
"comment_id": "6583354",
"author": "David",
"timestamp": "2023-01-24T16:43:12",
"content": "“…even to non-oxidized aluminum.”That’s because there is no “non-oxidized aluminum.” Oxides form much too quickly to ever do anything with “bare” aluminum. The surface will be aluminum oxide.",
"parent... | 1,760,372,422.657951 | ||
https://hackaday.com/2023/01/24/broken-genes-and-scrambled-proteins-how-radiation-causes-biological-damage/ | Broken Genes And Scrambled Proteins: How Radiation Causes Biological Damage | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"damage",
"dna",
"hydroxl",
"ionizing",
"non-ionizing",
"protein",
"pyrimidine",
"radiation",
"radical",
"reactive oxygen species",
"thymine",
"uv",
"UV-B",
"x-ray"
] | If decades of cheesy sci-fi and pop culture have taught us anything, it’s that radiation is a universally bad thing that invariably causes the genetic mutations that gifted us with everything from Godzilla to Blinky the Three-Eyed Fish. There’s a kernel of truth there, of course. One only needs to look at pictures of w... | 31 | 9 | [
{
"comment_id": "6583328",
"author": "Fat Slob",
"timestamp": "2023-01-24T15:55:46",
"content": "> photons — gamma rays, X-rays, cosmic rays, and ultraviolet light — or particles > — alpha rays and beta raysHUH? At screwl they taught us photons are particles.",
"parent_id": null,
"depth": 1,... | 1,760,372,422.015772 | ||
https://hackaday.com/2023/01/24/lithium-sulfur-battery-cycle-life-gets-a-boost/ | Lithium Sulfur Battery Cycle Life Gets A Boost | Navarre Bartz | [
"Battery Hacks",
"Science"
] | [
"battery",
"battery chemistry",
"battery research",
"electric vehicle battery",
"electrochemistry",
"lithium",
"lithium sulfur",
"lithium sulphur",
"research",
"sulfur"
] | Lithium sulfur batteries are often touted as the next major chemistry for electric vehicle applications, if only their cycle life wasn’t so short. But that might be changing soon, as a group of researchers at Drexel University has
developed a sulfur cathode capable of more than 4000 cycles
.
Most research into the Li-S... | 11 | 7 | [
{
"comment_id": "6583204",
"author": "sweethack",
"timestamp": "2023-01-24T12:55:53",
"content": "This dates back to Feb. 2022. Maybe a newer status would be good to have: has anyone else be able to reproduce their enormous claims ?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,422.387892 | ||
https://hackaday.com/2023/01/24/bend-it-like-a-carpenter/ | Bend It Like A Carpenter | Al Williams | [
"classic hacks"
] | [
"woodworking"
] | We’ve always known, in theory, there are ways to bend wood, but weren’t really clear on how it worked. Now that we’ve seen
[Totally Handy]’s recent video
, we’ve learned a number of tricks to pull it off. Could we do any of them? Probably not, any more than watching someone solder under a microscope means you could do ... | 18 | 6 | [
{
"comment_id": "6583069",
"author": "C",
"timestamp": "2023-01-24T09:17:44",
"content": "There is no wood",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6583072",
"author": "Andrew",
"timestamp": "2023-01-24T09:20:02",
"content": "…o... | 1,760,372,421.886385 | ||
https://hackaday.com/2023/01/23/arduino-is-out-to-rocket-launch/ | Arduino Is Out To (Rocket) Launch | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"model rocket launcher",
"rocket launcher"
] | It looks like an ordinary toolbox, but when you open up the
Arduino Launch Control System
, you’ll find a safe method for triggering model rocket launches. The system uses two separate power supplies. Both must be on for a successful launch and one requires a key. To trigger a 10-second countdown, the operator must hol... | 8 | 6 | [
{
"comment_id": "6583200",
"author": "muratduran41",
"timestamp": "2023-01-24T12:42:31",
"content": "I am using this producthttps://www.projehocam.com/urun/arduino-uno-r3-klon-usb-chip-ch340/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6583675",
"... | 1,760,372,421.935099 | ||
https://hackaday.com/2023/01/23/the-tale-of-the-final-evga-gpu-overclocking-record/ | The Tale Of The Final EVGA GPU Overclocking Record | Dave Rowntree | [
"computer hacks"
] | [
"bga",
"evga",
"gpu",
"NVIDIA",
"overclocking",
"rework"
] | It’s not news that EVGA is getting out of the GPU card game, after a ‘little falling out’ with Nvidia. It’s sad news nonetheless, as this enthusiastic band of hardware hackers has a solid following in certain overclocking and custom PC circles. The
Games Nexus
gang decided to fly over to meet up with the EVGA team in Z... | 12 | 5 | [
{
"comment_id": "6582843",
"author": "HaHa",
"timestamp": "2023-01-24T03:09:53",
"content": "I owned an EVGA video card.Very average copy of a NVIDEA ref board, died young. They were on the ‘never again’ list.‘Nothing of value was lost.’",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,422.151861 | ||
https://hackaday.com/2023/01/23/diy-custom-earplugs-for-pennies-per-pair/ | DIY Custom Earplugs For Pennies Per Pair | Kristina Panos | [
"how-to",
"Lifehacks"
] | [
"ear plugs",
"earplugs",
"silicone"
] | Hearing is one of our most precious senses, and yet many take their hearing for granted, exposing themselves to loud noises that do lasting damage. [Jonathan Levi] of The Next Level does no such thing, at least not anymore. He’s even gone so far as to have custom acrylic earplugs made, which he carried around for two y... | 30 | 12 | [
{
"comment_id": "6582732",
"author": "punkdigerati",
"timestamp": "2023-01-24T00:21:04",
"content": "I’ve only ever used soft earplugs, are acrylic or 3d printed ones comfortable?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6582821",
"author": "Ha... | 1,760,372,422.082958 | ||
https://hackaday.com/2023/01/23/running-cray-os-and-unicos-on-your-own-cray-simulator-instance/ | Running Cray OS And UNICOS On Your Own Cray Simulator Instance | Maya Posch | [
"Retrocomputing"
] | [
"cray"
] | The Cray series of super computers have been pretty much symbolic for high-powered computing since the 1970s, and to this day there’s a certain level of mysticism to them. Much of this is also helped by how rare these systems were and are today. Unlike Commodore, Apple and IBM PC systems which got sold by the truckload... | 38 | 12 | [
{
"comment_id": "6582136",
"author": "Jim st",
"timestamp": "2023-01-23T10:03:11",
"content": "I thought these required a Sun front end. Will try to get it going as I love emulations like.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6582815",
"aut... | 1,760,372,422.322147 | ||
https://hackaday.com/2023/01/22/reading-data-from-a-cd-with-a-microscope/ | Reading Data From A CD, With A Microscope | Jenny List | [
"digital audio hacks"
] | [
"cd",
"digital audio",
"microscope"
] | There was a time when electronic engineering students studied the audio CD, for all its real-world examples of error correction and control systems. There’s something to be found in the system still for young and old though, and thus we were intrigued when we saw [Peter Monta]
reading the data from a CD using a microsc... | 18 | 9 | [
{
"comment_id": "6582090",
"author": "Gérald",
"timestamp": "2023-01-23T09:02:53",
"content": "I wonder if something similar could be applied to magnetic storage discs (or tapes). How could one obtain an image of magnetic state of a whole media with enough precision to later decode its content by so... | 1,760,372,422.207102 | ||
https://hackaday.com/2023/01/22/minimalist-homebrew-hardware-recreates-arcade-classics/ | Minimalist Homebrew Hardware Recreates Arcade Classics | Robin Kearey | [
"handhelds hacks"
] | [
"atmega",
"breakout",
"diy handheld",
"snake"
] | Classic video games might look primitive by today’s standards, but the addictive gameplay of
Breakout
or
Pac-Man
remains fun no matter what decade you were born in. Keeping the relevant hardware running becomes harder as the years pile up however, so when [Michal Zalewski] decided to introduce his kids to classic video... | 1 | 1 | [
{
"comment_id": "6581958",
"author": "Gösta",
"timestamp": "2023-01-23T05:33:26",
"content": "The games look really balanced and well thought through, i bet the kids love these devices :-)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,422.247836 | ||
https://hackaday.com/2023/01/22/hackaday-links-january-22-2023/ | Hackaday Links: January 22, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"artificial intelligence",
"building automation",
"cartoon",
"charging",
"DALL-E",
"darpa",
"electric vehicle",
"ev",
"GPT-3",
"hackaday links",
"Hummer",
"Level 2",
"machine learning"
] | The media got their collective knickers in a twist this week with the news that
Wyoming is banning the sale of electric vehicles in the state
. Headlines like that certainly raise eyebrows, which is the intention, of course, but even a quick glance at the proposed legislation might have revealed that the “ban” was noth... | 48 | 13 | [
{
"comment_id": "6581702",
"author": "Alan",
"timestamp": "2023-01-23T00:29:08",
"content": "The school with the lighting problem … don’t they have breakers somewhere in the power delivery system? I know they aren’t intended as switches, but still.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,422.553983 | ||
https://hackaday.com/2023/01/22/pcb-pen-holder-is-over-the-top/ | PCB Pen Holder Is Over The Top | Al Williams | [
"PCB Hacks"
] | [
"pcb enclosure",
"pen holder"
] | Like most of us, [Arnov] used a spare coffee mug to hold pens on his desk. But there has to be a better way, right? Surely if you build a better mouse trap… or, in this case, a pen holder. He’d be the first to admit that he might have gotten a little carried away, but
the result is an attractive pen holder
made from PC... | 6 | 3 | [
{
"comment_id": "6581550",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-22T21:23:24",
"content": "In the first minute of the video he explains the active circuit supplies USB power in addition to the LED lighting.I stopped watching at that point as that was not explained in... | 1,760,372,422.700482 | ||
https://hackaday.com/2023/01/22/off-grid-van-build-uses-3d-scanning-for-smarter-planning/ | Off-Grid Van Build Uses 3D Scanning For Smarter Planning | Donald Papp | [
"home hacks",
"Transportation Hacks"
] | [
"conversion",
"diy",
"off grid",
"Photogrammetry",
"van"
] | Folks who refurbish and rebuild vans into off-grid campers (especially with the ability to work in them remotely) put a fantastic amount of planning and work into their projects. [Rob]
meticulously documented his finished van conversion
and while he does a ton of clever work, we especially liked how he shows modern too... | 44 | 17 | [
{
"comment_id": "6581414",
"author": "ono",
"timestamp": "2023-01-22T18:20:32",
"content": "I wonder what are the bonuses he could not explain on the video (last comment of the video). I suspect it is some hidden compartments.The build is a bit on the heavy side with all this wood. And I hope for hi... | 1,760,372,423.160304 | ||
https://hackaday.com/2023/01/22/designing-a-simpler-prosthetic-finger/ | Designing A Simpler Prosthetic Finger | Navarre Bartz | [
"Medical Hacks"
] | [
"3d printed prosthetic",
"medicine",
"Prosthesis",
"prosthetic hand",
"prosthetic kit"
] | Prosthetic limb design is an area where desktop manufacturing has made huge strides, but there’s always room for improvement. For example, take a look at [Ian Davis] and his attempts to design a
simpler prosthetic finger
.
[Davis] favors his
aluminum partial hand prosthetic
for its strength, but because it was scratch ... | 5 | 3 | [
{
"comment_id": "6581560",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-22T21:30:45",
"content": "The fingers could have the ability to glue on fashion finger nails.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6581570",
"author... | 1,760,372,423.928222 | ||
https://hackaday.com/2023/01/23/listening-to-a-flashlight-lunar-flashlight/ | Listening To A Flashlight — Lunar Flashlight | Al Williams | [
"Radio Hacks",
"Space"
] | [
"gnu radio",
"telemetry"
] | If you’ve been looking for a practical example of using GNU Radio, you should check out [Daniel Estévez’s] work on decoding telemetry captured
from the Lunar Flashlight cubesat
. The cubesat is
having some trouble
, but the data in question was a recording from the day after launch. We aren’t sure what it would take to... | 4 | 1 | [
{
"comment_id": "6582631",
"author": "Shirley Marquez",
"timestamp": "2023-01-23T21:29:55",
"content": "The bit rate of serial ports on microcontrollers (and in many other contexts) is derived from a clock that is divided down from some master clock in the system. It’s quite common for it not to be ... | 1,760,372,422.782152 | ||
https://hackaday.com/2023/01/23/smart-bike-suspension-tunes-your-ride-on-the-fly/ | Smart Bike Suspension Tunes Your Ride On The Fly | Dan Maloney | [
"Machine Learning",
"News",
"Transportation Hacks"
] | [
"accelerometer",
"Arduino Nano 33 BLE",
"bicycle",
"bike",
"Edge Impulse",
"machine learning",
"model",
"suspension"
] | Riding a bike is a pretty simple affair, but like with many things, technology marches on and adds complications. Where once all you had to worry about was pumping the cranks and shifting the gears, now a lot of bikes have front suspensions that need to be adjusted for different riding conditions. Great for efficiency ... | 23 | 9 | [
{
"comment_id": "6582659",
"author": "Bogus",
"timestamp": "2023-01-23T22:21:24",
"content": "Absolutely brilliant.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6582759",
"author": "PEBKAC",
"timestamp": "2023-01-24T00:59:32",
"content": "I could... | 1,760,372,423.687968 | ||
https://hackaday.com/2023/01/23/ask-hackaday-do-kids-need-3d-printers/ | Ask Hackaday: Do Kids Need 3D Printers? | Al Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3d printing",
"education"
] | Mattel holds a fond place in most people’s hearts as they made many of the toys we played with as kids. You might remember the
Thingmaker
, which was essentially an Easy Bake Oven with some goop and molds that let you make rubbery creatures. But back in 2016, Mattel had an aborted attempt to bring 3D printing to kids u... | 72 | 34 | [
{
"comment_id": "6582482",
"author": "anon",
"timestamp": "2023-01-23T18:17:29",
"content": "One little note here. I use my printer maybe once a week for different household chores. My little 1 year old LOVES the printer. Every time it’s on she wants to just watch it go for easily 5 minutes (anyone ... | 1,760,372,424.381181 | ||
https://hackaday.com/2023/01/23/vintage-electronics-hack-chat/ | Vintage Electronics Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, January 25 at noon Pacific for the
Vintage Electronics Hack Chat
with
Keri Szafir
!
The world of the hardware hacker is filled with smells. The forbidden but enticing waft of solder smoke, the acrid bite of the Magic Blue Smoke, the heady aroma of freshly greased gears, the unmistakable smell of h... | 24 | 6 | [
{
"comment_id": "6582455",
"author": "Greg",
"timestamp": "2023-01-23T17:40:19",
"content": "I’m hoping to find out late this year what a high performance 300B SET amp would “smell” like, assuming I can afford to keep it supplied with crazy expense tubes.",
"parent_id": null,
"depth": 1,
... | 1,760,372,423.015212 | ||
https://hackaday.com/2023/01/23/knitting-clock-makes-you-a-scarf-for-next-year/ | Knitting Clock Makes You A Scarf For Next Year | Navarre Bartz | [
"clock hacks",
"home hacks"
] | [
"clock",
"fiber arts",
"knitting",
"knitting clock",
"scarf",
"textiles",
"time",
"wool",
"yarn",
"yarn work"
] | Time got a little wibbly wobbly during these pandemic years. Perhaps we would’ve had a more tangible connection to it if [Siren Elise Wilhelmsen]’s
knitting clock
had been in our living rooms.
Over the course of a year, [Wilhelmsen]’s clock can stitch a two meter scarf by performing a stitch every half hour. She says, ... | 17 | 7 | [
{
"comment_id": "6582396",
"author": "That kid",
"timestamp": "2023-01-23T16:42:29",
"content": "Stitch in time!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6582419",
"author": "Mojo",
"timestamp": "2023-01-23T16:59:56",
"content": "I guess comp... | 1,760,372,423.071783 | ||
https://hackaday.com/2023/01/23/nasa-lunar-probe-finds-out-its-not-easy-being-green/ | NASA Lunar Probe Finds Out It’s Not Easy Being Green | Tom Nardi | [
"Current Events",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"artemis program",
"infrared",
"inGaAs",
"lunar exploration",
"regolith",
"thruster"
] | If you’re a space fan, these are very exciting days. There’s so much happening overhead that sometimes it can be difficult to keep up with the latest news. Artemis I just got back from the Moon, the International Space Station crew are dealing with a busted Soyuz, SpaceX is making incredible progress with their Starshi... | 9 | 4 | [
{
"comment_id": "6582347",
"author": "David Given",
"timestamp": "2023-01-23T15:31:35",
"content": "Just to add to the article:> …the lower toxicity, which will make handling craft on the ground easier and safer, is really just an added bonus…Ground handling also becomes _much cheaper_. No need for ... | 1,760,372,423.985201 | ||
https://hackaday.com/2023/01/23/inside-globus-a-soviet-era-analog-space-computer/ | Inside Globus, A Soviet-Era Analog Space Computer | Dan Maloney | [
"Reverse Engineering",
"Space"
] | [
"analog computer",
"differential",
"globe",
"latitude",
"longitude",
"navigation",
"reverse engineering",
"Soyuz",
"Vostok"
] | Whenever [Ken Shirriff] posts something, it ends up being a fascinating read. Usually it’s a piece of computer history, decapped and laid bare under his microscope where it undergoes reverse engineering and analysis to a degree that should be hard to follow, but he still somehow manages to make it understandable. And t... | 13 | 11 | [
{
"comment_id": "6582221",
"author": "BT",
"timestamp": "2023-01-23T12:33:06",
"content": "Wow fascinating and great to see. I really appreciate a proper write up, and [Ken] never disappoints. Video only needed if he can get something moving.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,423.289263 | ||
https://hackaday.com/2023/01/22/diy-capacitor-leakage-tester-with-a-professional-finish/ | DIY Capacitor Leakage Tester With A Professional Finish | Dave Rowntree | [
"Tool Hacks"
] | [
"capacitor",
"diy instrument",
"leakage"
] | [Manuel Caldeira] has built a nice electronics work area that would be the envy of many, complete with an under-shelf rail of custom-built instruments that are specific to the needs of areas of electronics that [Manuel] is involved with. The highlighted project here is a
capacitor leakage tester
, which is very handy f... | 7 | 4 | [
{
"comment_id": "6581256",
"author": "MartyK",
"timestamp": "2023-01-22T14:42:14",
"content": "I would have opened the meter and obscured the movement info (“µA”, etc).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6581330",
"author": "Paul",
... | 1,760,372,423.216428 | ||
https://hackaday.com/2023/01/22/wii-turned-expansion-card-for-broadcast-monitor/ | Wii Turned Expansion Card For Broadcast Monitor | Bryan Cockfield | [
"Nintendo Wii Hacks"
] | [
"broadcast video monitor",
"BVM",
"crt",
"trimmed",
"wii"
] | For the proper retro gaming aesthetic, plenty of gamers look to old CRT displays. Older games can look better on these displays because the original programmers took their visual characteristics into account. Finding a CRT from the 90s or early 2000s is one option, but an even better option is a broadcast video monitor... | 9 | 3 | [
{
"comment_id": "6581231",
"author": "Sunoo",
"timestamp": "2023-01-22T14:01:08",
"content": "The Wii doesn’t need a power cable, it gets power from the monitor.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6581240",
"author": "Mojo",
"timestamp": "2... | 1,760,372,423.345566 | ||
https://hackaday.com/2023/01/21/an-unexpected-amiga-network-interface/ | An Unexpected Amiga Network Interface | Jenny List | [
"Retrocomputing"
] | [
"Amiga 1200",
"clock port",
"raspberry pi"
] | The retrocomputer enthusiast has increasingly to grapple with not only runaway computer prices but the astronomical cost of vintage peripherals. A welcome solution in some cases comes from the Raspberry Pi, which has proved itself fast enough to emulate those add-ons for a lot less outlay. A good one comes from [
Nikla... | 31 | 9 | [
{
"comment_id": "6580895",
"author": "Joshua",
"timestamp": "2023-01-22T06:12:30",
"content": "“At the time the thought of having a UNIX-like operating system running on a super-powerful co-processor in your Amiga would have been beyond our wildest dreams [..]”Not only that, it would also seem like ... | 1,760,372,423.623064 | ||
https://hackaday.com/2023/01/21/all-your-keys-are-belong-to-keydecoder/ | All Your Keys Are Belong To KeyDecoder | Navarre Bartz | [
"lockpicking hacks",
"Security Hacks"
] | [
"house key",
"key",
"KeyDecoder",
"physical key",
"physical security",
"security"
] | Physical security is often considered simpler than digital security since safes are heavy and physical keys take more effort to duplicate than those of the digital persuasion. [Maxime Beasse and Quentin Clement] have developed a smartphone app that can
duplicate a key from a photo
making key copying much easier.
KeyDec... | 56 | 19 | [
{
"comment_id": "6580752",
"author": "Truth",
"timestamp": "2023-01-22T03:07:18",
"content": "If the key can be generated from a single photo, a Bumpkey will probably open it.https://www.youtube.com/watch?v=CiUh_BjIsUg",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,372,423.784177 | ||
https://hackaday.com/2023/01/21/floppy-photog-making-an-ir-filter-from-a-3-5-disk/ | Floppy Photog: Making An IR Filter From A 3.5″ Disk | Al Williams | [
"digital cameras hacks"
] | [
"dslr",
"full spectrum camera"
] | Sony used to sell digital cameras that recorded on actual floppy disks. We’ve come a long way, but [Mathieu] put a floppy in a digital camera recently for
an entirely different reason
. First, though, he had to modify the camera to work on the
full spectrum
, something he covered in an earlier video. You can see both v... | 15 | 8 | [
{
"comment_id": "6580675",
"author": "squirrel",
"timestamp": "2023-01-22T00:53:07",
"content": "This or using developed film. Its pretty common. Its how I’ve made a few filters for astrophotography.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6582111",
... | 1,760,372,423.84546 | ||
https://hackaday.com/2023/01/21/an-open-hardware-automatic-spinning-machine/ | An Open Hardware Automatic Spinning Machine | Dave Rowntree | [
"Tool Hacks"
] | [
"3030",
"arduino",
"ATMega2560",
"processing",
"spinning",
"textiles"
] | The team at the Berlin-based Studio HILO has been working on ideas and tools around developing a more open approach to small-scale textile production environments. Leveraging open-source platforms and tools, the team has come up with a simple
open hardware spinning machine
that can be used for interactive yarn producti... | 6 | 2 | [
{
"comment_id": "6580597",
"author": "J. Samson",
"timestamp": "2023-01-21T22:38:02",
"content": "Confusingly contradictory- you state that: “…you’ll need access to a polyjet or very accurate multi-material 3D printer to run off the drive wheel and …associated…”, but then correct yourself, saying: ... | 1,760,372,423.890477 | ||
https://hackaday.com/2023/01/21/robot-collects-ping-pong-balls-for-you/ | Robot Collects Ping Pong Balls For You | Lewin Day | [
"Robots Hacks"
] | [
"hackaday",
"robot",
"robots"
] | If you’ve ever played ping pong, table tennis, or beer pong, you know that it’s a struggle to hang on to the balls.
[MaximeMonsieur] has designed a robot to handle picking them up so you don’t have to.
The robot is specifically designed to pick up ultra-light ping pong balls. To that end, it has a large spinning paddle... | 9 | 5 | [
{
"comment_id": "6580528",
"author": "IIVQ",
"timestamp": "2023-01-21T19:43:20",
"content": "My aunt needs this. But then a heavier version, that can collect fallen walnuts from between grown grass.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6580627",
... | 1,760,372,424.103083 | ||
https://hackaday.com/2023/01/21/irreproducible-accumulative-hacks/ | Irreproducible, Accumulative Hacks | Elliot Williams | [
"cnc hacks",
"Rants"
] | [
"cnc",
"newsletter",
"pen plotter",
"plotter"
] | Last weekend, I made an incredibly accurate CNC pen-plotter bot in just 20 minutes, for a total expenditure of $0. How did I pull this off? Hacks accumulate.
In particular, the main ingredients were a CNC router, some 3D-printed mounts that I’d designed and built for it, and a sweet used linear rail that I picked up on... | 29 | 11 | [
{
"comment_id": "6580445",
"author": "h2odragon",
"timestamp": "2023-01-21T15:40:07",
"content": "I call it “Redneck Engineering” but there’s probably a slightly wider term for doing with what you have.Overkill, underkill, duct tape monstrosity that works once with someone holding it together: doesn... | 1,760,372,424.05905 | ||
https://hackaday.com/2023/01/21/beehive-in-a-bottle/ | Beehive In A Bottle | Bryan Cockfield | [
"green hacks"
] | [
"bee",
"beekeeping",
"bottle",
"hive",
"honey",
"insulation",
"nature",
"plastic",
"tree"
] | One of the most common types of beekeeping hive is based around the Langstroth hive, first patented in the United States in 1852. While it does have some nice features like movable frames, the march of history has progressed considerably while this core of beekeeping practices has changed very little. But that really j... | 49 | 20 | [
{
"comment_id": "6580392",
"author": "Gordon",
"timestamp": "2023-01-21T13:15:49",
"content": "Great presentation! (But I especially like the skateboard supporting the end of the board he is sawing!)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6580473",
... | 1,760,372,424.473151 | ||
https://hackaday.com/2023/01/21/rc-car-gets-f1-style-drs-rear-wing/ | RC Car Gets F1-Style DRS Rear Wing | Lewin Day | [
"car hacks",
"Toy Hacks"
] | [
"car",
"car hacks",
"drs",
"f1",
"formula 1",
"motorsport"
] | DRS, or the Drag Reduction System, has become a key part of Formula 1 in the past decade. [Engineering After Hours]
decided to implement the same system on an RC car instead.
The DRS system was implemented in Formula 1 to increase passing in the series. By moving a flap in the rear wing of the race cars, drag could be ... | 1 | 1 | [
{
"comment_id": "6580478",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-21T17:07:44",
"content": "Could possible speed improvement be quantified by measuring motor current and/or RPM?I know those additions would add weight and therefore affect top end speed, but they could ... | 1,760,372,424.565549 | ||
https://hackaday.com/2023/01/20/3d-printed-triptych-shows-trio-of-ai-generated-images/ | 3D Printed Triptych Shows Trio Of AI-Generated Images | Tom Nardi | [
"Art",
"Microcontrollers"
] | [
"ai art",
"e-ink",
"e-paper",
"stable diffusion",
"TinyPICO",
"wall art"
] | Fascinated by art generated by deep learning systems such as DALL-E and Stable Diffusion? Then perhaps a wall installation like this phenomenal
e-paper Triptych created by [Zach Archer]
is in your future.
The three interlocking frames were printed out of “Walnut Wood” HTPLA from ProtoPasta, and hold a pair of 5.79 inch... | 11 | 4 | [
{
"comment_id": "6580361",
"author": "Hitomi",
"timestamp": "2023-01-21T10:45:12",
"content": "We live in a world where there is more and more information, and less and less meaning.–Jean Baudrillard (1994)What is AI generated “art” anyways?The present age – dominated by simulations, things that hav... | 1,760,372,424.52408 | ||
https://hackaday.com/2023/01/20/help-needed-on-thumb-image-rp2040-dma-hack-makes-another-cpu-core/ | RP2040 DMA Hack Makes Another ‘CPU Core’ | Dave Rowntree | [
"Microcontrollers"
] | [
"arduino",
"dma",
"ece4760",
"rp2040",
"virtual cpu"
] | [Bruce Land] of Cornell University will be a familiar name to many Hackaday readers, searching the site for ‘ECE4760′ will bring up many interesting topics around embedded programming. Every year [Bruce] releases yet more of the students’ work out into the wild to our great delight. This RP2040-based project is a bit m... | 16 | 10 | [
{
"comment_id": "6580289",
"author": "Ostracus",
"timestamp": "2023-01-21T05:51:58",
"content": "Only thing I can see arising from all this additional complexity is it making auditing hardware for security harder. Does DMA need to be Turing complete?",
"parent_id": null,
"depth": 1,
"rep... | 1,760,372,424.782944 | ||
https://hackaday.com/2023/01/20/wormhole-coffee-table-takes-woodworking-to-another-dimension/ | Wormhole Coffee Table Takes Woodworking To Another Dimension | Navarre Bartz | [
"home hacks",
"Science"
] | [
"coffee table",
"furniture",
"lathe",
"led coffee table",
"science",
"table",
"woodworking",
"wormhole"
] | While some people are happy with a simple coffee table to hold their snacks while watching Star Trek reruns, others want their furniture to go where no furniture has gone before. [Olivier Gomis] has definitely satisfied this need with his
Wormhole Coffee Table
. [YouTube]
The complicated shape and curvature of a (3D re... | 20 | 13 | [
{
"comment_id": "6580202",
"author": "Paul",
"timestamp": "2023-01-21T00:33:52",
"content": "That’s glorious. Nice work. The lighting effect is a nice extra touch.And he’s a braver guy than me on the lathe.I’d lose a beer or two down the wormhole pretty quick though, so a glass top would come alon... | 1,760,372,424.72694 | ||
https://hackaday.com/2023/01/20/one-piece-tank-chassis-pushes-print-in-place-to-new-heights/ | One-Piece Tank Chassis Pushes Print-in-Place To New Heights | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printed",
"print in place",
"tank",
"tracks",
"treads"
] | What’s better than 3D printing a tank chassis with working tracks? How about
3D printing the entire thing, moving parts and all, as a single piece
? That’s [3D Honza]’s
PiPBOT-1
, and it’s the culmination of a whole lot of design work.
The design prints flat, then folds up into its final form.
[3D Honza] has been shari... | 30 | 21 | [
{
"comment_id": "6580152",
"author": "TG",
"timestamp": "2023-01-20T22:04:51",
"content": "Very nicely done. I’ll bite and see if my crummy printer can still do stuff like this.Downloadable only for 48 more hours! Grab it while you can",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,424.900783 | ||
https://hackaday.com/2023/01/20/extrusion-for-the-pottery-shop/ | Extrusion For The Pottery Shop | Bryan Cockfield | [
"Tool Hacks"
] | [
"clay",
"extruder",
"extrusion",
"pottery"
] | Extrusion is a process for forming materials by forcing them through an opening, which can allow for complex shapes. Aluminum extrusion beams are what most of us are probably thinking of, but plenty of other things are made from extruded material like pipe, heat sinks, and even macaroni. Extrusion can also be used for ... | 2 | 1 | [
{
"comment_id": "6580178",
"author": "David",
"timestamp": "2023-01-20T23:37:19",
"content": "I remember the playdoh toy of the same design, nice to see it scaled up",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6580418",
"author": "Antron Argaiv",
... | 1,760,372,424.603574 | ||
https://hackaday.com/2023/01/20/machining-with-electricity-explored-in-the-hack-chat/ | Machining With Electricity Explored In The Hack Chat | Tom Nardi | [
"Engineering",
"Hackaday Columns"
] | [
"ecm",
"EDM",
"electric discharge machining",
"electrochemical machining",
"Hack Chat",
"machining",
"metal working"
] | As a Hackaday reader, it’s safe to assume you’ve got a better than average understanding of electricity. There’s also an excellent chance you’re familiar with machining, and may even have a lathe or old mill in the workshop. But combining the two, and actually machining a piece of metal with electricity, isn’t somethin... | 16 | 6 | [
{
"comment_id": "6580075",
"author": "digitally$NUMB",
"timestamp": "2023-01-20T18:23:09",
"content": "Sodium nitrite, not nitrate is whats typically used as curing salt for meats. The nitrates potassium, sodium, and ammonium are oxidizers and used in blackpowder formulations, fertilizers, and explo... | 1,760,372,424.666323 | ||
https://hackaday.com/2023/01/20/hackaday-podcast-202-cnc-monks-acrobot-bootleg-merch-and-the-rise-and-fall-of-megahex/ | Hackaday Podcast 202: CNC Monks, Acrobot, Bootleg Merch, And The Rise And Fall Of Megahex | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos stood around and marveled at machinery in its many forms, from a stone-cutting CNC to an acrobatic robot to an AI-controlled Twitch v-tuber. But before all of that, we took a look at the winners of our FPV Vehicle Contest, poured one out f... | 1 | 1 | [
{
"comment_id": "6580380",
"author": "Daniel Simu",
"timestamp": "2023-01-21T12:01:21",
"content": "Thanks so much for featuring the Acrobot, I’m excited to hear you even dug into my other works!It’s such an honor to be mentioned by the Hackaday podcast :D",
"parent_id": null,
"depth": 1,
... | 1,760,372,424.827574 | ||
https://hackaday.com/2023/01/20/cassette-player-cupholder-is-a-useful-but-risky-idea/ | Cassette Player Cupholder Is A Useful But Risky Idea | Lewin Day | [
"car hacks"
] | [
"3D printed parts",
"car",
"car hacks",
"cupholder"
] | The cup was invented in 1570 BC. Despite this, infuriatingly, the cupholder didn’t become common in the automotive world until the early 2000s. Cars built in the years PCH (pre-cupholder) typically also had tape decks. Noticing this relationship, [thephatmaster] designed
this useful cassette-deck cupholder accessory.
T... | 36 | 14 | [
{
"comment_id": "6580039",
"author": "Joe Brown",
"timestamp": "2023-01-20T16:49:21",
"content": "Pretty sure the cup was invented long long before 1570 BC, gonna need a citation on that assertion. Heck they were building the great pyramids around 2500BC, and definitely had pottery in the pre-dynast... | 1,760,372,425.023819 |
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