url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/04/24/60-robot-arm-is-compact/ | $60 Robot Arm Is Compact | Al Williams | [
"Robots Hacks"
] | [
"robot arm",
"robotics",
"servo"
] | Thanks to 3D printing and inexpensive controllers, a robot arm doesn’t need to break the bank anymore. Case in point? [Build Some Stuff] did a
good-looking compact arm
with servos for under $60. The arm uses an interesting control mechanism, too.
Instead of the traditional joystick, the arm has a miniature arm with pot... | 10 | 3 | [
{
"comment_id": "6635574",
"author": "scott_tx",
"timestamp": "2023-04-25T00:28:50",
"content": "video of the arm in action reminds me of 1930s king kong stop motion animation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635577",
"author": "Zyner... | 1,760,372,322.697561 | ||
https://hackaday.com/2023/04/24/messing-with-a-cassette-player-never-sounded-so-good/ | Messing With A Cassette Player Never Sounded So Good | Donald Papp | [
"Musical Hacks"
] | [
"audio cassette",
"cassette player",
"Mellotron",
"PT2399",
"Walkman"
] | Cassette players and tapes are fertile hacking ground. One reason is that their electromechanical and analog nature provides easy ways to fiddle with their operation. For example, slow down the motor and the playback speed changes accordingly. As long as the head is moving across the tape, sound will be produced. The h... | 8 | 5 | [
{
"comment_id": "6635569",
"author": "Alex99a",
"timestamp": "2023-04-25T00:03:59",
"content": "“As long as the head is moving across the tape…”Uhh, have you ever worked with one of these?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635625",
"aut... | 1,760,372,323.088834 | ||
https://hackaday.com/2023/04/24/op-amp-contest-go-down-an-octave-no-fft-no-pll-no-oscillator/ | Op Amp Contest: Go Down An Octave, No FFT, No PLL, No Oscillator! | Jenny List | [
"Musical Hacks"
] | [
"effects",
"octave shifter",
"op-amp"
] | We like a project that makes us think, and that was certainly the case with
[MS-BOSS]’s octave downshifter
that’s an entry in our current op-amp contest. Instead of resorting to an FFT, or a PLL, it uses a technique best described as a custom analogue computer to implement the maths of octave downshifting. It’s an extr... | 16 | 7 | [
{
"comment_id": "6635511",
"author": "Dude",
"timestamp": "2023-04-24T18:43:48",
"content": "“well, there is one D-type register”Naughty naughty!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635611",
"author": "Mr. Analog",
"timestamp": "2... | 1,760,372,322.870226 | ||
https://hackaday.com/2023/04/24/warmer-ice-cream/ | Warmer Ice Cream? | Lewin Day | [
"Business",
"Current Events",
"Original Art",
"Science"
] | [
"cold",
"food engineering",
"food science",
"food technology",
"freezer",
"freezing",
"ice cream",
"temperature",
"unilever"
] | What if you could
tweak the recipe on ice cream to keep it frozen at higher temperatures
? The idea comes from massive conglomerate Unilever. Among other things, the brand owns a wide variety of ice cream brands, from Ben & Jerry’s to the Magnum and Cornetto lines. Instead of running freezers at the industry standard o... | 53 | 22 | [
{
"comment_id": "6635488",
"author": "Brian",
"timestamp": "2023-04-24T17:21:21",
"content": "More ‘greener’ processes for manufacturing and storing and serving a food product may also result in the product containing more chemicals that may create health hazards – not addressed in this article.The... | 1,760,372,322.959333 | ||
https://hackaday.com/2023/04/24/chatting-with-local-ai-moves-directly-in-browser-thanks-to-webllm/ | Chatting With Local AI Moves Directly In-Browser, Thanks To Web LLM | Donald Papp | [
"Artificial Intelligence",
"Software Development"
] | [
"ai",
"browser",
"chatbot",
"LLM",
"Vicuna"
] | Large Language Models (LLM) are at the heart of natural-language AI tools like ChatGPT, and
Web LLM shows it is now possible to run an LLM directly in a browser
. Just to be clear, this is
not
a browser front end talking via API to some server-side application. This is a client-side LLM running entirely in the browser.... | 7 | 3 | [
{
"comment_id": "6635546",
"author": "TheLightHerder",
"timestamp": "2023-04-24T21:48:12",
"content": "I was doing AI locally way, way (way) back in ’21, GPU fan spinning for days on end (see here:https://vimeo.com/590497601), and more recently to make this cursed video:https://vimeo.com/747826675. ... | 1,760,372,322.648262 | ||
https://hackaday.com/2023/04/24/the-bsides-more-curious-uses-of-off-the-shelf-parts/ | The BSides: More Curious Uses Of Off-the-shelf Parts | Sonya Vasquez | [
"Hackaday Columns",
"Parts",
"Skills",
"Slider"
] | [
"bsides",
"design",
"mechanical",
"O-ring",
"parts",
"tricks"
] | Off-the-shelf stock parts are the blocks from which we build mechanical projects. And while plenty of parts have dedicated uses, I enjoy reusing them in ways that challenge what they were originally meant for while respecting the constraints of their construction. Building off of
my piece from last time
, I’d like to a... | 10 | 8 | [
{
"comment_id": "6635473",
"author": "Chris",
"timestamp": "2023-04-24T14:32:48",
"content": "Great article. As always clever engineering solutions Josh!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6635485",
"author": "Joel B",
"timestamp": "2023-04... | 1,760,372,322.805162 | ||
https://hackaday.com/2023/04/24/3d-scanning-a-room-with-a-steam-deck-and-a-kinect/ | 3D Scanning A Room With A Steam Deck And A Kinect | Donald Papp | [
"handhelds hacks",
"Peripherals Hacks"
] | [
"3d scanning",
"Kinect",
"point cloud",
"RTAB-map",
"steam deck"
] | It may not be obvious, but Valve’s Steam Deck is capable of being more than just a games console. Demonstrating this is [Parker Reed]’s experiment in
3D scanning his kitchen with a Kinect and Steam Deck
combo, and viewing the resulting mesh on the Steam Deck.
The two pieces of hardware end up needing a lot of adapters ... | 2 | 2 | [
{
"comment_id": "6635513",
"author": "Pyro",
"timestamp": "2023-04-24T18:48:19",
"content": "Ngl the steam deck has been my favorite co.putwr purchase of all time. I’m working on building out a system based on the deckmate and some dongles that will specifically be a cyber deck with a split keyboard... | 1,760,372,322.740482 | ||
https://hackaday.com/2023/04/24/osi-superboard-ii-replicated/ | OSI Superboard II Replicated | Al Williams | [
"Retrocomputing"
] | [
"Ohio Scientific",
"retrocomputnig"
] | While our modern computer can easily emulate a lot of different old machines, there is something about having replica hardware that is even better. Not as nice as having the real thing, in some ways, although you don’t have to worry about wear and tear on a replica, either. [Jeff Tranter] has built a kit replica of an
... | 6 | 6 | [
{
"comment_id": "6635433",
"author": "tonygoacher",
"timestamp": "2023-04-24T09:18:02",
"content": "Taught myself BASIC and 6502 assembly on one of those in the in the very early 80s… 24 x 24 (if I remember rightly) character monochrome display. Character set had cool (to 14 year old me) tanks and a... | 1,760,372,323.276137 | ||
https://hackaday.com/2023/04/23/rickrolling-ssid-with-esp32/ | Rickrolling SSID With ESP32 | Joseph Long | [
"Arduino Hacks",
"Microcontrollers",
"Wireless Hacks"
] | [
"ESP32",
"prank",
"rickroll",
"ssid",
"wi-fi"
] | Reddit user [nomoreimfull] posted code for a
dynamic WiFi beacon
to r/arduino. The simple, but clever, sketch is preloaded with some rather familiar lyrics and is configured to
Rickroll
wireless LAN users via the broadcast SSID (service set identifier) of an ESP32 WiFi radio.
The ESP32 and its smaller sibling the ESP8... | 8 | 5 | [
{
"comment_id": "6635414",
"author": "Mike Massen",
"timestamp": "2023-04-24T06:36:51",
"content": "Nice one & thought provoking too as another layer of security ;-)Thanks for post",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6635422",
"author": "ethzer... | 1,760,372,322.599405 | ||
https://hackaday.com/2023/04/23/shake-your-pcb-etching-with-an-old-optical-drive/ | Shake Your PCB Etching, With An Old Optical Drive | Jenny List | [
"Tool Hacks"
] | [
"etching",
"optical drive",
"pcb"
] | Easy PCB fabrication in China has revolutionised electronic construction at our level, but there are still times when it makes sense to etch your own boards. It’s a messy business that can also be a slow one, but at least a project from [earldanielph] takes away one chore. It agitates the etchant solution round the boa... | 28 | 13 | [
{
"comment_id": "6635366",
"author": "Leonardo",
"timestamp": "2023-04-24T02:12:10",
"content": "Too much hardware for something so simple.In fact to make plates you don’t even have to shake anything. But if you want to, just put the bucket on a PC fan with one less blade, so it’s unbalanced and vib... | 1,760,372,323.030474 | ||
https://hackaday.com/2023/04/23/hackaday-links-april-23-2023/ | Hackaday Links: April 23, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"cold war",
"hackaday links",
"High speed camera",
"land train",
"lightning",
"oscilloscope",
"rapid unscheduled disassembly",
"Raptor",
"RUD",
"space elevator",
"SpaceX",
"starship"
] | Mark it on your calendars, folks — this is the week that the term RUD has entered the public lexicon. Sure, most of our community already knows the acronym for “rapid unscheduled disassembly,” and realizes its tongue-in-cheek nature. But given that the term has been used by Elon Musk and others to describe
the ignomini... | 7 | 3 | [
{
"comment_id": "6635341",
"author": "Ostracus",
"timestamp": "2023-04-24T00:39:35",
"content": "Realistically Upgraded Destruction.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635382",
"author": "The Commenter Formerly Known As Ren",
"ti... | 1,760,372,323.328212 | ||
https://hackaday.com/2023/04/23/vcf-east-2023-retro-luminaries-take-the-stage/ | VCF East 2023: Retro Luminaries Take The Stage | Bil Herd | [
"cons"
] | [
"adrians digital basement",
"computer",
"Fran Blanche",
"jeri ellsworth",
"usagi electric",
"VCF",
"VCF East 2023"
] | Our friend
[Fran Blanche] recently recorded what it was like
to participate in an energetic round table at the recently held Vintage Computer Festival (VCF) East. Fran joined well known personalities [Jeri Ellsworth], [Adrian Black] of
Adrian’s Digital Basement
, and
Usagi Electric
creator [Dave Lovett] with yours trul... | 4 | 3 | [
{
"comment_id": "6635443",
"author": "Dr Cockroach",
"timestamp": "2023-04-24T10:44:53",
"content": "So amazing to watch my favorites in the same room. I learn a lot and get some nifty ideas from these folks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "66... | 1,760,372,323.428015 | ||
https://hackaday.com/2023/04/23/run-linux-by-emulating-risc-v-on-a-risc-v-microcontroller/ | Run Linux By Emulating RISC-V On A RISC-V Microcontroller | Jenny List | [
"Linux Hacks",
"Microcontrollers"
] | [
"emulation",
"esp32c3",
"linux",
"RISC-V"
] | For years it was a given that it was impossible to run a Linux based operating system on a less powerful computer whose architecture lacked a memory management unit. There were projects such as uCLinux which sought to provide some tidbits to low computing power Linux users, but ultimately they came to naught. It is ach... | 7 | 4 | [
{
"comment_id": "6635293",
"author": "Esot.eric",
"timestamp": "2023-04-23T19:19:34",
"content": "Clever solution to unmappable SPI-based RAM. Similar troubles existing in Harvard Archtectures…Also, another interesting finding, having gone down this rabbit hole: apparently uClinux did not come to na... | 1,760,372,323.374816 | ||
https://hackaday.com/2023/04/23/vhs-robot-swaps-tapes-as-seen-in-hackers/ | VHS Robot Swaps Tapes, As Seen InHackers | Robin Kearey | [
"Robots Hacks",
"Video Hacks"
] | [
"archiving",
"tape robot",
"vcr",
"VHS",
"video tape"
] | Tape robots are typically used in places that store vast amounts of data – think film studios and government archives. If you’ve seen the 1995 cult movie
Hackers
, you might remember a scene where the main character hacks into a TV station and reprograms their tape ‘bot to load a series he wanted to watch. It’s this sc... | 27 | 8 | [
{
"comment_id": "6635257",
"author": "hartl",
"timestamp": "2023-04-23T15:25:53",
"content": "This is the most over-engineered automated tape library I have ever seen. The designer of this contraption should have examined a real commercial unit instead of watching blurry VHS movies. Decades ago, Sto... | 1,760,372,323.715884 | ||
https://hackaday.com/2023/04/23/generating-entangled-qubits-and-qudits-with-fully-on-chip-photonic-quantum-source/ | Generating Entangled Qubits And Qudits With Fully On-Chip Photonic Quantum Source | Maya Posch | [
"News",
"Science"
] | [
"photonics",
"quantum entanglement"
] | As the world of computing and communication draws ever closer to a quantum future, researchers are faced with many of the similar challenges encountered with classical computing and the associated semiconductor hurdles. For the use of entangled photon pairs, for example, it was already possible to perform the entanglem... | 8 | 6 | [
{
"comment_id": "6635238",
"author": "ono",
"timestamp": "2023-04-23T13:29:05",
"content": "This seems a very important achievement. No more scientist with laser-protection googles and a complex optical apparatus on a peg board. All solid-state.You´re right, if this can be scaled, it will be a game ... | 1,760,372,323.64244 | ||
https://hackaday.com/2023/04/23/the-shuttle-engine-needed-3d-printing-but/ | The Shuttle Engine Needed 3D Printing, But… | Al Williams | [
"Misc Hacks"
] | [
"Additive Manufacturing",
"electroplating",
"rocket engine"
] | If we asked you to design a circuit to blink a flashing turn signal, you would probably reach for a cheap micro or a 555. But old cars used bimetallic strips in a thermomechanical design. Why? Because, initially, 555s and microcontrollers weren’t available. [Breaking Taps] has the story of NASA engineers who needed som... | 14 | 4 | [
{
"comment_id": "6635209",
"author": "Jan",
"timestamp": "2023-04-23T10:40:10",
"content": "Regarding the video, cool, very cool on so many levels. Very well explained too.Regarding “might be one of the original additive manufacturing techniques”. How about knitting, like in knitting a sweater, isn’... | 1,760,372,323.53133 | ||
https://hackaday.com/2023/04/22/ai-powered-speaker-is-a-chatbot-you-can-actually-chat-with/ | AI-Powered Speaker Is A Chatbot You Can Actually Chat With | Robin Kearey | [
"Artificial Intelligence",
"Misc Hacks"
] | [
"ai",
"ChatGPT",
"raspberry pi",
"speech synthesis",
"Teensy",
"voice recognition"
] | AI-powered chatbots are pretty cool, but most still require you to type your question on a keyboard and read an answer from a screen. It doesn’t have to be like that, of course: with a few standard tools, you can turn a chatbot into a machine that literally chats, as [Hoani Bryson] did. He decided to make
a standalone ... | 20 | 5 | [
{
"comment_id": "6635186",
"author": "Andrew",
"timestamp": "2023-04-23T05:45:16",
"content": "What is my purpose?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6635189",
"author": "Andy",
"timestamp": "2023-04-23T06:21:12",
"content": "I’d make a... | 1,760,372,323.589149 | ||
https://hackaday.com/2023/04/22/a-delicious-advancement-in-battery-tech/ | A Delicious Advancement In Battery Tech | Navarre Bartz | [
"Battery Hacks"
] | [
"battery",
"edible battery",
"edible circuits",
"food"
] | Electronics have been sent to some pretty extreme environments, but inside a living host is a particularly tricky set of conditions, especially if you don’t want to damage the organism ingesting the equipment. One step in that direction could be an
edible battery cell
. (via
Electrek
)
Developed by scientists at the
Is... | 2 | 1 | [
{
"comment_id": "6635235",
"author": "STrRedWolf",
"timestamp": "2023-04-23T13:06:02",
"content": "This is one of the cases where… did you really need to make such a thing? Now we’re started down the road where we end up with “protogens” from the furry scene…",
"parent_id": null,
"depth": 1... | 1,760,372,323.827408 | ||
https://hackaday.com/2023/04/22/tiny-three-tube-receiver-completes-spy-radio-suite/ | Tiny Three-Tube Receiver Completes Spy Radio Suite | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"ham",
"radio",
"regenerative",
"spy radio",
"vacuum tube"
] | In our surface-mount age, it’s easy to be jaded about miniaturization. We pretty much expect every circuit to be dimensionally optimized, something that’s easy to do when SMDs that rival grains of sand are available. But dial the calendar back half a century or so and miniaturization was a much more challenging proposi... | 6 | 4 | [
{
"comment_id": "6635162",
"author": "William Robert Meara",
"timestamp": "2023-04-23T01:03:38",
"content": "Really nice, but I don’t think this is a regenerative receiver. I think it is a direct conversion receiver. Great job Helge! Thanks and 73 Bill N2CQR",
"parent_id": null,
"depth":... | 1,760,372,323.880841 | ||
https://hackaday.com/2023/04/22/op-amp-contest-clever-continuity-tester-tells-you-where-the-problem-is/ | Op Amp Contest: Clever Continuity Tester Tells You Where The Problem Is | Robin Kearey | [
"hardware",
"Tool Hacks"
] | [
"continuity tester",
"debugging",
"resistance",
"short circuit"
] | A continuity tester, as found on most multimeters today, is a great tool for finding broken connections and short circuits. But once you’ve found a short, it’s up to you to figure out which part of the circuit it’s in – a tedious job on a large PCB with hundreds of components. [John Guy] aims to ease this task with
a c... | 14 | 8 | [
{
"comment_id": "6635134",
"author": "Doug",
"timestamp": "2023-04-22T21:22:39",
"content": "Clever, I suppose. But can it locate a short resulting from a mid-layer filament resulting from a bit of dust in the original fabrication of the laminates? We were doing just that in the 1980s using a smal... | 1,760,372,323.948378 | ||
https://hackaday.com/2023/04/22/build-your-own-bootable-emacs-environment/ | Build Your Own Bootable Emacs Environment | Bryan Cockfield | [
"Linux Hacks",
"Software Hacks"
] | [
"Emacs",
"operating system",
"text editor",
"user mode linux"
] | An old joke is that Emacs is a text editor with an operating system included, given that its extensibility and customization often goes far beyond traditional text editors. Part of its well-earned reputation comes from being built in Lisp which allows it to be expanded to do almost anything. Despite this in-joke in the... | 18 | 8 | [
{
"comment_id": "6635093",
"author": "ono",
"timestamp": "2023-04-22T17:54:32",
"content": "emacs is like BDSM, some like it, most rather avoid the pain.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635170",
"author": "James Reed Feeney",
... | 1,760,372,324.241373 | ||
https://hackaday.com/2023/04/22/the-freedom-to-fail/ | The Freedom To Fail | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Space"
] | [
"creativity",
"experiment",
"nasa",
"newsletter",
"rover"
] | When you think of NASA, you think of high-stakes, high-cost, high-pressure engineering, and maybe the accompanying red tape. In comparison, the hobby hacker has a tremendous latitude to mess up, dream big, and generally follow one’s bliss. Hopefully you’ll take some notes. And as always with polar extremes, the really ... | 38 | 11 | [
{
"comment_id": "6635039",
"author": "Nikos 🇺🇸🏳️🌈✌️ (@techgeektx)",
"timestamp": "2023-04-22T14:13:58",
"content": "Can’t wait for the Dragonfly mission to Titan!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6635063",
"author": "Reluctant Cannibal",... | 1,760,372,324.433874 | ||
https://hackaday.com/2023/04/22/nfc-antennas-have-other-uses/ | NFC Antennas Have Other Uses | Jenny List | [
"Radio Hacks"
] | [
"chip card",
"NFC",
"nfc antenna"
] | As NFC chips proliferate, so do the antennas they require for operation, and since many NFC-enabled items are single-use, this means there’s an opportunity to put them to other uses. It’s an avenue pursued by [Brother-live],
as he strips the antennas from spent metro tickets and gets experimenting
.
The antenna in an N... | 38 | 8 | [
{
"comment_id": "6634992",
"author": "Ostracus",
"timestamp": "2023-04-22T11:53:51",
"content": "Use for RFID perhaps?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634995",
"author": "luvnotvor",
"timestamp": "2023-04-22T11:58:42",
... | 1,760,372,324.310816 | ||
https://hackaday.com/2023/04/22/air-hockey-solitaire/ | Air Hockey Solitaire | Al Williams | [
"Games",
"Robots Hacks"
] | [
"air hockey",
"machine vision",
"robot"
] | While air hockey is a fine amusement, it isn’t much fun if you can’t find someone to play against. Unless that is, you build a mini table with a robotic defender. [Vaib], [Nathan], and [Navish] can
show you how
. There is a video you can see below that shows two players using the table without the robot.
The project ta... | 3 | 3 | [
{
"comment_id": "6634975",
"author": "ono",
"timestamp": "2023-04-22T09:09:44",
"content": "Half-assed article propping a video that does not even show off what the title of the article pinpoints. Where is the robotic arm ???",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,372,324.35356 | ||
https://hackaday.com/2023/04/21/before-you-sudo-rm-rf-take-some-precautions/ | Before You Sudo Rm -rf /, Take Some Precautions | Bryan Cockfield | [
"Linux Hacks"
] | [
"administration",
"bash",
"color",
"linux",
"mistake",
"remote",
"server",
"terminal"
] | Maintaining or administering a computer system remotely is a common enough task these days, but it’s also something that can go sideways on you quickly if you aren’t careful. How many of us are guilty of executing a command, having it fail, and only then realizing that we weren’t connected to the correct computer at al... | 40 | 17 | [
{
"comment_id": "6634942",
"author": "Severe Tire Damage",
"timestamp": "2023-04-22T05:21:30",
"content": "It is a good suggestion, but the problem is that you get used to anything after a while, even color. I have my name and machine in my shell prompt (joe@clamdigger>), so if I take the time to l... | 1,760,372,324.514284 | ||
https://hackaday.com/2023/04/21/the-cyber-resilience-act-threatens-open-source/ | The Cyber Resilience Act Threatens Open Source | Al Williams | [
"News"
] | [
"Cyber Resilience Act",
"eu",
"open source"
] | Society and governments are struggling to adapt to a world full of cybersecurity threats. Case in point: the EU CRA — Cyber Resilience Act — is a proposal by the European Commission to enact legislation with a noble goal: protect consumers from cybercrime by having security baked in during design. Even if you don’t liv... | 60 | 19 | [
{
"comment_id": "6634915",
"author": "Ostracus",
"timestamp": "2023-04-22T02:25:36",
"content": "Seems those that use the code should self-certify. Much like they assume responsibility anyway when the original author no longer wants to work on it.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,324.80232 | ||
https://hackaday.com/2023/04/21/solar-protocol-envisions-a-solar-powered-web/ | Solar Protocol Envisions A Solar-Powered Web | Navarre Bartz | [
"green hacks",
"Network Hacks",
"Solar Hacks"
] | [
"distributed",
"distributed network",
"distributed systems",
"low-tech hack",
"solar power",
"web design",
"web development"
] | The transition to low carbon energy is an important part of mitigating climate change, and the faster we can manage, the better. One project looking at how we could reduce the energy requirements of the web to more quickly adopt renewable energy is
Solar Protocol
.
Instead of routing requests to the fastest server when... | 34 | 12 | [
{
"comment_id": "6634890",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-04-21T23:05:10",
"content": "Interesting concept, but is the world ready for slower Internet?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634910",
"aut... | 1,760,372,324.693975 | ||
https://hackaday.com/2023/04/21/miniature-concrete-hoover-dam-is-tiny-engineering-done-right/ | Miniature Concrete Hoover Dam Is Tiny Engineering Done Right | Lewin Day | [
"Toy Hacks"
] | [
"cement",
"concrete",
"dam",
"miniature"
] | Growing up, we got to play with all kinds of things in miniature. Cars, horses, little LEGO houses, the lot. What we didn’t get is a serious education with miniature-sized dams.
This recreation of the glorious Hoover Dam from the [Creative Construction Channel] could change all that for the next generation.
The build s... | 13 | 5 | [
{
"comment_id": "6634856",
"author": "Doug",
"timestamp": "2023-04-21T20:13:19",
"content": "Make that dam, not damn…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634870",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023... | 1,760,372,324.85462 | ||
https://hackaday.com/2023/04/20/m5stickc-turned-wearable-morse-code-trainer/ | M5StickC Turned Wearable Morse Code Trainer | Abe Connelly | [
"Wearable Hacks"
] | [
"bluetooth",
"bluetooth keyboard",
"M5stickC",
"morse code"
] | Have you ever felt the options for Morse code communication were too limited? Well, look no further than
[marsPRE]’s open source WristMorse communicator
that can connect over WiFi, can act as a Bluetooth keyboard or just be used as a Morse Code trainer.
[marsPRE] uses the M5StickC Plus as the base device and attaches a... | 8 | 6 | [
{
"comment_id": "6634535",
"author": "Nilanjan",
"timestamp": "2023-04-20T16:29:03",
"content": "Great work",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634564",
"author": "NetNrrd",
"timestamp": "2023-04-20T19:00:54",
"content": "... | 1,760,372,324.904116 | ||
https://hackaday.com/2023/04/20/keebin-with-kristina-the-one-with-the-music-typewriter/ | Keebin’ With Kristina: The One With The Music Typewriter | Kristina Panos | [
"Featured",
"Interest",
"Peripherals Hacks",
"Slider"
] | [
"fr4",
"IBM Selectric",
"Kailh box whites",
"Keaton music typewriter",
"Model M",
"music typewriter",
"typeball"
] | This edition’s community build comes from the Yes They Could, But Should They Have? file. Well, I ultimately say yes, this is intriguing. Redditor [dj_edit] looked at the venerable Model M and thought,
this buckling-spring masterpiece can yet be improved upon
. Yeah! Well, to each their own. I must say that it does sou... | 4 | 2 | [
{
"comment_id": "6634514",
"author": "Foldi-One",
"timestamp": "2023-04-20T14:37:37",
"content": "As even a venerable tank of a keyboard that the model M is can end up needing repairs (after 30 years+ who can blame ’em), and they are actually still available ‘new’ with added native USB support I don... | 1,760,372,324.959051 | ||
https://hackaday.com/2023/04/20/read-comic-books-on-the-commodore-64-with-stripstream/ | Read Comic Books On The Commodore 64 With StripStream | Lewin Day | [
"Retrocomputing",
"Software Hacks"
] | [
"c64",
"comic",
"comic book",
"commodore 64"
] | Comic books are traditionally printed on paper, either as regular saddle-bound issues or in hardcover compilations. If you wanted to read them on a low-resolution screen run by an 8-bit computer, you were usually out of luck. Until now!
Enter StripStream, the comic book reader for the Commodore 64.
StripStream runs on ... | 3 | 3 | [
{
"comment_id": "6634476",
"author": "Jan",
"timestamp": "2023-04-20T11:26:40",
"content": "Cool to see my project, thanks.Small detail, the 34min has been reduced to 27min. I’m afraid i didn’t update that in the documentation, yet. This improvement makes it possible to use one side of a C60 tape.",... | 1,760,372,325.051566 | ||
https://hackaday.com/2023/04/20/soft-robotic-system-for-in-situ-3d-bioprinting-and-endoscopic-surgery/ | Soft Robotic System For In Situ 3D Bioprinting And Endoscopic Surgery | Maya Posch | [
"Medical Hacks"
] | [
"soft robotics"
] | The progress of medical science has meant increasingly more sophisticated ways to inspect and repair the body, with a shift towards ever less invasive and more effective technologies. An exciting new field is that of in situ tissue replacement in a patient, which can be singular cells or even 3D printed tissues. This i... | 8 | 4 | [
{
"comment_id": "6634501",
"author": "Gravis",
"timestamp": "2023-04-20T13:14:10",
"content": "Couldn’t get a feel for the size but finally found that the smallest prototype is approximately 11.5mm in diameter which is within the size range of an endoscope (11-13mm). The proof-of-concept surgery was... | 1,760,372,325.00364 | ||
https://hackaday.com/2023/04/19/a-look-at-segas-8-bit-3d-glasses/ | A Look At Sega’s 8-Bit 3D Glasses | Lewin Day | [
"Games"
] | [
"3d",
"3d game",
"3d video",
"lcd",
"shutter glasses"
] | From around 2012 onwards, there was a 3D viewing and VR renaissance in the entertainment industry. That hardware has grown in popularity, even if it’s not yet mainstream. However, 3D tech goes back much further, as [Nicole] shows us
with a look at Sega’s ancient 8-bit 3D glasses
[
via Adafruit
].
[Nicole]’s pair of Seg... | 6 | 6 | [
{
"comment_id": "6634433",
"author": "Andrew",
"timestamp": "2023-04-20T05:56:34",
"content": "Welcome to the Fantasy Zone!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6634524",
"author": "craig",
"timestamp": "2023-04-20T15:33:07",
"content": "... | 1,760,372,325.095383 | ||
https://hackaday.com/2023/04/19/water-solves-mazes-why-not-electrons/ | Water Solves Mazes, Why Not Electrons? | Al Williams | [
"Science"
] | [
"charge carrier",
"electron flow"
] | A few weeks ago, we looked at a video showing water “solving” a maze. [AlphaPhoenix] saw the same video, and it made him think about electrons “
finding the path of least resistance
.” So can you solve a maze with foil, a laser cutter, a power supply, and some pepper? Apparently, as you can see in the video below.
At f... | 28 | 7 | [
{
"comment_id": "6634436",
"author": "DST",
"timestamp": "2023-04-20T06:26:57",
"content": "I don’t get this.. As far as I can see, there’s no “maze” there, there’s only one connection between the two ends, it’s just one large odd-shaped conductor?",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,325.16126 | ||
https://hackaday.com/2023/04/19/hacking-an-apartment-garage-door-with-new-remotes/ | Hacking An Apartment Garage Door With New Remotes | Lewin Day | [
"home hacks"
] | [
"garage opener",
"remote"
] | [Old Alaska] had a problem. He needed a second remote for his apartment garage door, but was quoted a fee in the hundreds of dollars for the trouble of sourcing and programming another unit. Realizing this was a rip-off given the cheap hardware involved,
he decided to whip up his own sneaky solution instead.
It’s a sim... | 28 | 18 | [
{
"comment_id": "6634387",
"author": "hinspect",
"timestamp": "2023-04-19T23:21:11",
"content": "Great Job! 😉",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6634390",
"author": "Yeah Right",
"timestamp": "2023-04-19T23:33:46",
"content": "I think ... | 1,760,372,325.227543 | ||
https://hackaday.com/2023/04/20/this-one-simple-trick-rehabilitates-scratchy-sounding-speakers/ | This One Simple Trick Rehabilitates Scratchy Sounding Speakers | Lewin Day | [
"Radio Hacks",
"Repair Hacks"
] | [
"audio",
"repair",
"speaker"
] | We’ve all picked up a radio and switched it on, only to hear an awful scratchy noise emitting from the speaker. [Richard Langer] is no stranger to this problem, and has identified a cheap and unusual solution—
using toilet paper!
The cause of the scratchy sound is that when the speaker’s paper cone warps, it can cause ... | 13 | 6 | [
{
"comment_id": "6634704",
"author": "bob",
"timestamp": "2023-04-21T07:52:34",
"content": "It’s a good hack thanks. With larger speakers it’s common to remove the mounts to rotate the driver until gravity would bring the cone back into alignment. In this case that would mean the tissue paper fix be... | 1,760,372,325.353063 | ||
https://hackaday.com/2023/04/20/mri-resolution-progresses-from-millimeters-to-microns/ | MRI Resolution Progresses From Millimeters To Microns | Bryan Cockfield | [
"Science"
] | [
"brain",
"coils",
"Duke",
"magnet",
"mri",
"neuron",
"neuroscience",
"research",
"resolution",
"structure"
] | Neuroscientists have been mapping and recreating the nervous systems and brains of various animals since the microscope was invented, and have even been able to map out entire brain structures thanks to other imaging techniques with perhaps the most famous example being the 302-neuron brain of a roundworm. Studies like... | 15 | 7 | [
{
"comment_id": "6634666",
"author": "nigi bel",
"timestamp": "2023-04-21T02:07:06",
"content": "there’s 10.5 tesla and 11.7 tesla and more just google",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634676",
"author": "elwing",
"timestamp": ... | 1,760,372,325.446124 | ||
https://hackaday.com/2023/04/20/mystery-1802-computer-was-a-homebrew-project/ | Mystery 1802 Computer Was A Homebrew Project | Al Williams | [
"Retrocomputing"
] | [
"1802",
"retrocomputing"
] | [CelGenStudios] has an impressive collection of vintage hardware. One that
really struck us
came from a thrift store in Canada, so the original provenance of it is unknown. It looks like someone’s handmade interpretation of a SOL-20. There’s a wooden and sheet metal box containing a keyboard looted from an old dedicate... | 29 | 17 | [
{
"comment_id": "6634653",
"author": "Bruce Perens",
"timestamp": "2023-04-21T00:11:54",
"content": "Because it was available in silicon on sapphire, The 1802 became the processor for a lot of satellites, there’s a whole open source operating system that was used for the amateur radio ones. The reso... | 1,760,372,325.646511 | ||
https://hackaday.com/2023/04/20/making-neon-trees-the-easy-way-with-no-oven-pumps-required/ | Making Neon Trees The Easy Way With No Oven Pumps Required | Lewin Day | [
"Tool Hacks"
] | [
"glass",
"glass work",
"glassworking",
"neon",
"oven"
] | Neon lamps are fun and beautiful things. Hackers do love anything that glows, after all. But producing them can be difficult, requiring specialized equipment like ovens and bombarders to fill them up with plasma. However, [kcakarevska] has found a way to make neon lamps
while bypassing these difficulties.
[kcakarevska]... | 26 | 12 | [
{
"comment_id": "6634593",
"author": "Jii",
"timestamp": "2023-04-20T20:29:37",
"content": "Daaaamn! That is just ingenious. Maybe neon lights will make a comeback in a much more complex light pieces. Not that making the glass tube shapes gets any easier.",
"parent_id": null,
"depth": 1,
... | 1,760,372,325.563374 | ||
https://hackaday.com/2023/04/20/a-temperature-sensing-magnetic-stir-bar/ | A Temperature-Sensing Magnetic Stir Bar | Lewin Day | [
"Science",
"Tool Hacks"
] | [
"lab equipment",
"magnetic stir bar",
"magnetic stirrer",
"rfid tag",
"stirrer",
"temperature sensor"
] | Magnetic stirring bars are the coolest piece of equipment you’ll see in a high-school chemistry lab. They’re a great way for agitating a solution without having to stand there manually and do it yourself.
[Applied Science] has now made a magnetic stir bar
that features an integrated temperature sensor.
The device is es... | 6 | 3 | [
{
"comment_id": "6634565",
"author": "anon",
"timestamp": "2023-04-20T19:02:50",
"content": "Related: Biotherm lifechips do most of this, but are program-limited on temperature range.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6634570",
"author": "Hack... | 1,760,372,325.4901 | ||
https://hackaday.com/2023/04/20/vcf-east-2023-andy-geppert-talks-core-memory/ | VCF East 2023: Andy Geppert Talks Core Memory | Elliot Williams | [
"Interviews",
"Retrocomputing"
] | [
"core memory",
"retrocomputing",
"VCF East 2023"
] | Do you know core memory? Our prehistoric predecessors would store data in the magnetic fields of ferrite rings, reading out the ones and zeroes by setting the magnetic field and detecting if a small current is induced in a sense wire, indicating that the bit flipped, or not detecting the current, in which case it didn’... | 18 | 7 | [
{
"comment_id": "6634563",
"author": "ono",
"timestamp": "2023-04-20T18:52:27",
"content": "Makes me remember i have like 100.000 ferrite cores special for core memory (not any ferrite “donut” would do). And no patience to weave some …",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,325.697784 | ||
https://hackaday.com/2023/04/20/ask-hackaday-split-rail-op-amp-power-supply/ | Ask Hackaday: Split Rail Op Amp Power Supply | Al Williams | [
"Ask Hackaday",
"Hackaday Columns",
"Parts"
] | [
"Ask Hackaday",
"op amps",
"Supercon badge"
] | Water cooler talk at the office usually centers around movies, sports, or life events. Not at Hackaday. We have the oddest conversations and, this week, we are asking for your help. It is no secret that we have a special badge each year for Supercon. Have you ever wondered where those badges come from? Sometimes we do ... | 83 | 36 | [
{
"comment_id": "6634540",
"author": "Jeff Brown",
"timestamp": "2023-04-20T17:16:36",
"content": "Why do you need a rail power supply for this application? Can you add a bias to the signals instead?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634607",
... | 1,760,372,325.963709 | ||
https://hackaday.com/2023/04/21/a-high-precision-adc-that-you-can-understand/ | A High Precision ADC That You Can Understand! | Jenny List | [
"classic hacks",
"contests"
] | [
"adc",
"dual-slope",
"op-amp"
] | In a world where an analogue to digital converter is all too often an integrated peripheral buried inside a microcontroller, it’s easy to forget how simple these devices can be when built from first principles. An entry in our Op-Amp Challenge from [NNNI] demonstrates this perfectly, it’s
a high resolution multi-slope ... | 8 | 5 | [
{
"comment_id": "6634853",
"author": "Chris",
"timestamp": "2023-04-21T19:51:43",
"content": "Very cool project. a lot of good analog design. I will say though I really like the modern day integration of ADC’s. This is a good project to increase your analog design skills. For me though I like the on... | 1,760,372,325.839714 | ||
https://hackaday.com/2023/04/21/gen-tojos-teeth-morse-code-shows-up-in-the-strangest-places/ | Gen Tojo’s Teeth: Morse Code Shows Up In The Strangest Places | Al Williams | [
"Featured",
"History",
"Interest"
] | [
"dentures",
"morse code"
] | The Baader-Meinhof effect is the common name for what scientists call frequency illusion. Suppose you are watching Star Trek’s Christopher Pike explain how he makes pasta mama, and you’ve never heard of it before. Immediately after that, you’ll hear about pasta mama repeatedly. You’ll see it on menus. Someone at work w... | 43 | 19 | [
{
"comment_id": "6634823",
"author": "Todd",
"timestamp": "2023-04-21T17:32:08",
"content": "I’m just gonna drop a Repo Man reference here: “Plate o’ Shrimp”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635398",
"author": "Tre Stuges",
"ti... | 1,760,372,326.045177 | ||
https://hackaday.com/2023/04/21/hackaday-podcast-215-autonomous-race-car-espresso-robot-and-vintage-computers/ | Hackaday Podcast 215: Autonomous Race Car, Espresso Robot, And Vintage Computers | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | It’s podcast time again, and this time around Elliot and Dan took a grand tour through the week’s best and brightest hacks. We checked out an old-school analog cell phone that went digital with style, dug into a washing machine’s API, and figured out how to melt metal in the microwave — the right way. Does coffee taste... | 5 | 3 | [
{
"comment_id": "6634828",
"author": "Rsms",
"timestamp": "2023-04-21T17:56:01",
"content": "I think the what’s that sound link is missing",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634882",
"author": "Tom Nardi",
"timestamp": "2023-04-2... | 1,760,372,326.089531 | ||
https://hackaday.com/2023/04/21/building-a-motorized-pan-tilt-rig-for-filming/ | Building A Motorized Pan Tilt Rig For Filming | Lewin Day | [
"Arduino Hacks",
"digital cameras hacks"
] | [
"camera",
"pan tilt zoom",
"pan-tilt"
] | Today, anyone can shoot video because cameras are cheap and readily available. But if you want to do fancy Hollywood-style moving shots, you’ll need somebody to point the thing — or a machine to do it for you. [Giovanni Aggiustatutto] went the latter route with
this mechanized pan-tilt build
.
The build relies on stepp... | 3 | 3 | [
{
"comment_id": "6634821",
"author": "m1ke",
"timestamp": "2023-04-21T17:07:31",
"content": "Great project and time lapse shots.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6634869",
"author": "Tom Harris",
"timestamp": "2023-04-21T21:39:02",
"c... | 1,760,372,326.12706 | ||
https://hackaday.com/2023/04/21/this-week-in-security-spandex-tempest-supply-chain-chain-and-ntp/ | This Week In Security: Spandex Tempest, Supply Chain Chain, And NTP | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"0-day",
"chrome",
"This Week in Security"
] | Microsoft’s Threat Intelligence group has announced
a new naming scheme for threat actors
. It sounds great, naming groups after weather phenomenon, based on the groups motivations or nation of origin. Then each discreet group is given an additional adjective. That’s where things get interesting.
It seems like the adje... | 14 | 10 | [
{
"comment_id": "6634782",
"author": "Gravis",
"timestamp": "2023-04-21T14:13:21",
"content": "Pff! $500?! He could have made more by selling it to a single darknet entitiy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6634784",
"author": "David",
"t... | 1,760,372,326.327852 | ||
https://hackaday.com/2023/04/21/getting-the-most-from-fading-thinkpads/ | Getting The Most From Fading ThinkPads | Bryan Cockfield | [
"computer hacks"
] | [
"bootloader",
"coreboot",
"firmware",
"laptop",
"thinkpad",
"upgrade"
] | The ThinkPad line of laptops has been widely prized not only by businesses but also by those who appreciate a high standard of hardware quality and repairability. But some think the cracks are starting to form in their reputation, as it seems that new ThinkPads are sacrificing quality for aesthetics and cost. As a resu... | 40 | 11 | [
{
"comment_id": "6634744",
"author": "NFM",
"timestamp": "2023-04-21T12:07:23",
"content": "Does anyone know of an open BIOS for the X270?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6635830",
"author": "KloudJack",
"timestamp": "2023-04-2... | 1,760,372,326.204311 | ||
https://hackaday.com/2023/04/21/linux-server-wakey-wakey/ | Linux Server, Wakey, Wakey | Al Williams | [
"Linux Hacks",
"Raspberry Pi"
] | [
"wake on lan"
] | We all know we should save energy and not leave computers on all the time. It is probably better for the computer, too. But when you operate a home server, it isn’t feasible to just turn it on when you want to use it and then turn it off again. Or is it? [Daniel] decided
that was exactly what he wanted to do
, and it w... | 39 | 16 | [
{
"comment_id": "6634716",
"author": "Martin",
"timestamp": "2023-04-21T08:34:23",
"content": "In theory, Wake on LAN is a solved problem. However, many years ago I tried something similar to this, and had issues with waking up a suspended computer. I don’t remember details, it was too long ago, and... | 1,760,372,326.27743 | ||
https://hackaday.com/2023/04/18/old-czech-telephone-teardown-is-beautiful-purposeful-art/ | Old Czech Telephone Teardown Is Beautiful Purposeful Art | Lewin Day | [
"Teardown"
] | [
"phone",
"pots",
"teardown",
"telephone"
] | The 20th century saw everything from telephones to computers become mainstream. Many of these devices were beautifully designed in the mid-century period, something that’s hard to say about a lot of today’s cheaper technology. [John Graham-Cumming] has shown us one exquisite example,
with his teardown of a simple Czech... | 16 | 9 | [
{
"comment_id": "6634095",
"author": "Cree",
"timestamp": "2023-04-19T06:00:32",
"content": "Here is the datasheet for the WNB068:https://elparts.mekweb.eu/ds/WNB068.jpg",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634184",
"author": "macsimski",
... | 1,760,372,326.38046 | ||
https://hackaday.com/2023/04/18/native-alaskan-language-reshapes-mathematics/ | Native Alaskan Language Reshapes Mathematics | Bryan Cockfield | [
"News"
] | [
"characters",
"Inuit",
"Iñupiaq",
"language",
"math",
"mathematics",
"number system",
"visual"
] | The languages we speak influence the way that we see the world, in ways most of us may never recognize. For example, researchers report seeing higher savings rates among people whose native language has limited capacity for a future tense, and one Aboriginal Australian language requires precise knowledge of cardinal di... | 83 | 24 | [
{
"comment_id": "6634062",
"author": "Paul",
"timestamp": "2023-04-19T02:36:29",
"content": "Interesting. Biquinary. I wonder if it is borrowed from the abacus, or sprung up independently.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634070",
"a... | 1,760,372,328.670491 | ||
https://hackaday.com/2023/04/18/robogaggia-makes-espresso-coffee-on-its-own/ | RoboGaggia Makes Espresso Coffee On Its Own | Lewin Day | [
"Misc Hacks"
] | [
"coffee",
"coffee machine",
"espresso machine",
"gaggia pro"
] | [Nicholas DiPatri] very much loves his Gaggia Pro. It’s an amazing espresso machine, but it’s also kind of fussy and requires a lot of manual attention to brew a cup. As an engineer, he set about fettling the machine to run with a little less oversight.
Enter RoboGaggia
.
Stock, the Gaggia Pro requires regular water re... | 12 | 5 | [
{
"comment_id": "6634061",
"author": "Andrew",
"timestamp": "2023-04-19T02:23:27",
"content": "All we hear is RoboGaggia.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634217",
"author": "Dubious",
"timestamp": "2023-04-19T13:23:27",
... | 1,760,372,328.549196 | ||
https://hackaday.com/2023/04/18/send-this-fpv-bot-into-the-crawlspace-to-do-your-dirty-work/ | Send This FPV Bot Into The Crawlspace To Do Your Dirty Work | Dan Maloney | [
"home hacks",
"Robots Hacks"
] | [
"basement",
"camera",
"crawlspace",
"ethernet",
"first person view",
"radio control FPV",
"rc",
"rock crawler"
] | The least pleasant space in most houses is likely to be the space below it. Basements tend to be dank, dusty, and full of too many things that have too many legs. And even worse than the full basement is the dreaded crawlspace, which adds claustrophobia to the long list of unpleasantries that lie below. Sadly, though, ... | 27 | 14 | [
{
"comment_id": "6633987",
"author": "Ostracus",
"timestamp": "2023-04-18T20:32:53",
"content": "Claustrophobia implies there’s a remote chance of fitting. Mine? Not a chance. Cats and skunks at best.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6633991",
... | 1,760,372,328.733021 | ||
https://hackaday.com/2023/04/18/radio-waves-bring-the-heat-with-this-microwave-powered-forge/ | Radio Waves Bring The Heat With This Microwave-Powered Forge | Dan Maloney | [
"cooking hacks",
"Tool Hacks"
] | [
"ceramic",
"crucible",
"forge",
"furnace",
"microwave",
"silcon carbide",
"sodium silicate",
"water glass"
] | Depending on the chef’s skill, many exciting things can happen in the kitchen. Few, however, grab as much immediate attention as when a piece of foil or a fork accidentally (?) makes it into the microwave oven. That usually makes for a dramatic light show, accompanied by admonishment about being foolish enough to let m... | 51 | 14 | [
{
"comment_id": "6633966",
"author": "come2",
"timestamp": "2023-04-18T19:06:03",
"content": "I think the main issue is that the max power of a standard microwave. I just checked online some commercial consumer propane forges, and they claim to go up to 50kW.Meanwhile, a microwave will only go up to... | 1,760,372,328.433512 | ||
https://hackaday.com/2023/04/18/raspberry-pi-camera-conversion-leads-to-philospohical-question/ | Raspberry Pi Camera Conversion Leads To Philosophical Question | Jenny List | [
"classic hacks",
"digital cameras hacks"
] | [
"35mm camera",
"Raspberry Pi HQ camera",
"Yashica"
] | The Raspberry Pi HQ camera module may not quite reach the giddy heights of a DSLR, but it has given experimenters access to a camera system which can equal the output of some surprisingly high-quality manufactured cameras. As an example we have
a video from [Malcolm-Jay] showing his Raspberry Pi conversion of a Yashica... | 31 | 24 | [
{
"comment_id": "6633900",
"author": "rclark",
"timestamp": "2023-04-18T15:37:13",
"content": "I would use the camera as a platform if it was something I wanted to do. No problem tearing the guts out of a ‘container’ and adding what I want into it :) . Museums and collectors have plenty of example... | 1,760,372,328.501104 | ||
https://hackaday.com/2023/04/18/linux-fu-reading-your-memorys-memory/ | Linux Fu: Reading Your Memory’s Memory | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"ddr",
"dram",
"linux",
"spd"
] | Linux users have a lot of software to be proud of. However, there is the occasional Windows program that does something you’d really like to do and it just won’t run. This is especially true of low-level system programs. If you want to poke around your CPU and memory, for example, there are tons of programs for that un... | 18 | 10 | [
{
"comment_id": "6633867",
"author": "Pat",
"timestamp": "2023-04-18T14:02:49",
"content": "“One nice tool a lot of Windows users have is CPU-Z. Of course, it doesn’t run on Windows”*snicker*",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633881",
"... | 1,760,372,328.041676 | ||
https://hackaday.com/2023/04/19/risc-v-supercluster-for-very-low-cost/ | A RISC-V Supercluster For Very Low Cost | Bryan Cockfield | [
"Microcontrollers"
] | [
"cluster",
"RISC-V",
"supercluster"
] | As ARM continues to make inroads in the personal computing space thanks to its more modern and streamlined instruction set architecture (ISA) and its reduced power demands especially compared to x86 machines, the main reason it continues to become more widespread is how easy it is to get a license to make chips using t... | 22 | 5 | [
{
"comment_id": "6634353",
"author": "willmore",
"timestamp": "2023-04-19T21:09:40",
"content": "Some CH32V003 resources:CH32V003fun library for bare metal work:https://github.com/cnlohr/ch32v003funThe Aliexpress page for the dev board and programmer:https://www.aliexpress.us/item/3256804709476544.h... | 1,760,372,328.163096 | ||
https://hackaday.com/2023/04/19/new-tool-helps-create-laser-cut-doom-maps/ | New Tool Helps Create Laser-Cut Doom Maps | Lewin Day | [
"Misc Hacks"
] | [
"doom",
"laser cutter",
"lasercut",
"rust"
] | Doom
has a larger cultural footprint than the vast majority of video games ever made. That inspired [Theor] to see if it was possible to laser-cut some of the game’s maps to create
a real-world model of those famous original levels.
Level data was extracted from the game’s original
WAD data files
using code written in ... | 7 | 4 | [
{
"comment_id": "6634334",
"author": "purplepeopleated",
"timestamp": "2023-04-19T20:31:11",
"content": "soooo…. a LASER of DOOOOOOM !!!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634412",
"author": "bemusedHorseman",
"timestamp": "202... | 1,760,372,328.25487 | ||
https://hackaday.com/2023/04/19/last-chance-to-re-engineer-education-for-the-2023-hackaday-prize/ | Last Chance To Re-engineer Education For The 2023 Hackaday Prize | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"2023 Hackaday Prize",
"education"
] | The first round of the 2023 Hackaday Prize
closes next Tuesday,
March
April 25th. If you’ve got an educational project – whether that’s a robot technique you just need to share, or an instructional radio build – you’ve got this weekend left to get your project into shape, whip up a Hackaday.io page in support, and ente... | 5 | 3 | [
{
"comment_id": "6634287",
"author": "ono",
"timestamp": "2023-04-19T17:59:34",
"content": "Since it´s 10 years, it would be nice to make a retrospective and show what really made into a product, what really made a difference, what really changed.Because we see a lot of boasting with superlatives, a... | 1,760,372,328.210584 | ||
https://hackaday.com/2023/04/19/peering-down-into-talking-ant-hill/ | Peering Down Into Talking Ant Hill | Matthew Carlson | [
"Artificial Intelligence"
] | [
"large language model",
"LLM",
"simulation"
] | Watching an anthill brings an air of fascination. Thousands of ants are moving about and communicating with other ants as they work towards a goal as a collective whole. For us humans, we project a complex inner world for each of these tiny creatures to drive the narrative. But what if we could
peer down into a miniatu... | 14 | 9 | [
{
"comment_id": "6634261",
"author": "Ostracus",
"timestamp": "2023-04-19T16:00:07",
"content": "Sounds like something to add to the Sims.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634391",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,372,328.100689 | ||
https://hackaday.com/2023/04/19/vintage-computer-festival-east-was-a-retro-madhouse/ | Vintage Computer Festival East Was A Retro Madhouse | Tom Nardi | [
"cons",
"Current Events",
"Featured",
"Interest",
"Retrocomputing",
"Slider"
] | [
"retrocomputing",
"VCF East 2023",
"Vintage Computer Festival East"
] | The
Vintage Computer Festival East
took place last weekend at the InfoAge Science and History Museum in New Jersey, and by any metric you care to use, it was a phenomenal success. Everyone you spoke with, from the the exhibitors and attendees, to the veteran volunteers who put this incredible show together, all said th... | 36 | 18 | [
{
"comment_id": "6634241",
"author": "VintageVolts",
"timestamp": "2023-04-19T14:42:37",
"content": "I like the representation of an earlier VCF t-shirt design being displayed on the TRS-80 4P. Very clever!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "663425... | 1,760,372,328.83281 | ||
https://hackaday.com/2023/04/19/that-drone-up-in-the-sky-it-might-be-built-out-of-a-dead-bird/ | That Drone Up In The Sky? It Might Be Built Out Of A Dead Bird | Dan Maloney | [
"drone hacks"
] | [
"avian",
"bird",
"drone",
"ornithopter",
"research",
"taxidermy",
"uav"
] | In a lot of ways, it seems like we’re in the “plateau of productivity” part of the hype cycle when it comes to drones. UAVs have pretty much been reduced to practice and have become mostly an off-the-shelf purchase these days, with a dwindling number of experimenters pushing the envelope with custom builds, like
buildi... | 40 | 18 | [
{
"comment_id": "6634168",
"author": "armetallica",
"timestamp": "2023-04-19T11:13:23",
"content": "birds aren’t real !!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634240",
"author": "Rumble_in_the_Jungle",
"timestamp": "2023-04-19T14:... | 1,760,372,329.401407 | ||
https://hackaday.com/2023/04/19/little-twitter-game-boy-wont-work-now-the-api-is-dead/ | Little Twitter Game Boy Won’t Work Now The API Is Dead | Lewin Day | [
"Misc Hacks"
] | [
"api",
"twitter"
] | Twitter, like many social networks, used to feature a useful API. This let people do fun things like create toasters that could automatically post breaderly updates, or even load Twitter posts on machines that couldn’t handle full-fat websites. That API is now history,
but [NEKOPLA] used it for a cute Game Boy-like Twi... | 13 | 6 | [
{
"comment_id": "6634128",
"author": "Andrew",
"timestamp": "2023-04-19T08:38:12",
"content": "This is the future!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6634263",
"author": "Ostracus",
"timestamp": "2023-04-19T16:06:39",
"con... | 1,760,372,329.213366 | ||
https://hackaday.com/2023/04/18/nasas-ingenuity-mars-helicopter-completes-50th-flight/ | NASA’sIngenuityMars Helicopter Completes 50th Flight | Maya Posch | [
"Science",
"Space"
] | [
"Ingenuity",
"mars helicopter",
"nasa",
"Perseverance"
] | While NASA’s
Perseverance
rover brought an array of impressive scientific equipment to the surface of Mars, certainly its most famous payload is the stowaway helicopter
Ingenuity
. Despite being little more than a restricted-budget experiment using essentially only off-the-shelf components that you can find in your sma... | 20 | 4 | [
{
"comment_id": "6633822",
"author": "Mike",
"timestamp": "2023-04-18T11:11:24",
"content": "Great. piss away more money off world when ours here is falling apart.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633831",
"author": "NFM",
"tim... | 1,760,372,329.137627 | ||
https://hackaday.com/2023/04/18/microbit-brings-3d-printed-magic-lanterns-to-life/ | Micro:bit Brings 3D Printed Magic Lanterns To Life | Orlando Hoilett | [
"LED Hacks",
"Microcontrollers"
] | [
"Comic-Con",
"cosplay",
"harry potter",
"magic",
"Micro:bit"
] | [Elenavercher] loves engaging her primary school students, inspiring their imagination as well as teaching them the design thinking process. She has found that the very accessible rapid prototyping culture of 3D printing, micro:bit, and the like are perfect for teaching her students problem-solving and teamwork, and is... | 1 | 1 | [
{
"comment_id": "6633795",
"author": "Nilanjan",
"timestamp": "2023-04-18T09:51:47",
"content": "Great",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,329.077077 | ||
https://hackaday.com/2023/04/17/a-wall-mounted-newspaper-thats-extra/ | A Wall Mounted Newspaper That’s Extra | Abe Connelly | [
"home hacks"
] | [
"digital picture frame",
"e-ink",
"e-ink display",
"newspaper",
"wall mounted"
] | E-Ink displays are becoming more ubiquitous and with their low power draw, high contrast and hackability, we see many projects use them in framed wall art, informational readouts and newspaper displays. [Sho] uses this idea to create a
wall mounted newspaper
packed full of features.
[Sho] describes using a 13.3 inch ED... | 7 | 3 | [
{
"comment_id": "6633830",
"author": "kuro68k",
"timestamp": "2023-04-18T11:28:15",
"content": "I’m hoping these large displays get much cheaper soon. I’ve seen them used in shops so hopefully it will be like when shops adopted small ones for price tags.",
"parent_id": null,
"depth": 1,
... | 1,760,372,329.260126 | ||
https://hackaday.com/2023/04/17/hacking-bing-chat-with-hash-tag-commands/ | Hacking Bing Chat With Hash Tag Commands | Al Williams | [
"Artificial Intelligence"
] | [
"ai",
"bing",
"ChatGPT"
] | If you ask Bing’s ChatGPT bot about any special commands it can use, it will tell you there aren’t any. Who says AI don’t lie? [Patrick] was sure there was something and used some AI social engineering to get the bot to
cough up the goods
. It turns out there are a number of hashtag commands you might be able to use to... | 48 | 14 | [
{
"comment_id": "6633735",
"author": "TG",
"timestamp": "2023-04-18T02:04:04",
"content": "For some reason I find it extra irksome/hilarious that it uses the “🙏” emoji just like the HR lady at work. I wish our culture was at a different place when we finally progressed enough to build these things"... | 1,760,372,329.485664 | ||
https://hackaday.com/2023/04/17/bust-out-that-old-analog-scope-for-some-velociraster-fun/ | Bust Out That Old Analog Scope For Some Velociraster Fun! | Dave Rowntree | [
"hardware",
"Tool Hacks"
] | [
"analog oscilloscope",
"breadboard",
"dac",
"dma",
"PIO",
"Raspberry Pi Pico",
"raster",
"vector",
"X-Y mode"
] | [Oli Wright] is back again with another installation of CRT shenanigans. This time, the target is the humble analog oscilloscope, specifically a Farnell DTV12-14 12 MHz dual-channel unit, which features a handy X-Y mode. The result is the
Velociraster, a simple (in hardware terms) Raspberry Pi Pico based display driver... | 6 | 5 | [
{
"comment_id": "6633742",
"author": "Bry",
"timestamp": "2023-04-18T02:46:42",
"content": "If you’ve got an analog X-Y scope, also seehttps://github.com/schlae/scopetrex",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633833",
"author": "Robin",
... | 1,760,372,329.31686 | ||
https://hackaday.com/2023/04/17/a-new-commodore-c128-cartridge/ | A New Commodore C128 Cartridge | Bil Herd | [
"computer hacks",
"Misc Hacks",
"News",
"Raspberry Pi"
] | [
"commodore 128",
"raspberry pi"
] | A new
Commodore C128 cartridge
in 2023? That’s what [idun-projects] set out to do and, as you can see in the video below, did. I did the original C128 hardware design and worked with the amazing team that turned this home computer out in 1985. Honestly, I am amazed that any of them are still working 38 years later, le... | 18 | 6 | [
{
"comment_id": "6633624",
"author": "smellsofbikes",
"timestamp": "2023-04-17T20:24:44",
"content": "I’m as reluctant to admit this as anyone, but there is no part of the 1990’s that was just 20 years ago…This is an extremely impressive project, involving setting up a whole SBC as an interface betw... | 1,760,372,329.717278 | ||
https://hackaday.com/2023/04/17/robot-races-a-little-smarter-to-go-faster/ | Robot Races A Little Smarter To Go Faster | Matthew Carlson | [
"Artificial Intelligence"
] | [
"formula 1",
"full self driving",
"racing",
"Robot Operating System"
] | [Steven Gong] is attending the University of Waterloo and found himself with a 1/10th scale F1TENTH autonomous RC car. What better use of a fast RC car with some smarts
than to race itself around your computer science building
?
Onboard is an Nvidia Jetson NX (not the new
Nvidia Jetson Orin
), a lidar module, and a dep... | 4 | 1 | [
{
"comment_id": "6633680",
"author": "CRJEEA",
"timestamp": "2023-04-17T22:47:00",
"content": "It would be interesting to add collision sensors and let it run a genetic algorithm. I’d love to see this applied to a full sized go-cart, so you could physically race against the computer.",
"parent_i... | 1,760,372,329.525883 | ||
https://hackaday.com/2023/04/17/new-renewable-energy-projects-are-overwhelming-us-grids/ | New Renewable Energy Projects Are Overwhelming US Grids | Lewin Day | [
"Hackaday Columns",
"Slider",
"Solar Hacks"
] | [
"energy",
"grid",
"grid storage",
"grid-scale storage",
"power grid",
"renewable energy",
"solar power",
"wind power"
] | It’s been clear for a long time that the world has to move away from fossil energy sources. Decades ago, this seemed impractical, when renewable energy was hugely expensive, and we were yet to see much impact on the ground from climate change. Meanwhile, prices for solar and wind installations have come down immensely,... | 239 | 31 | [
{
"comment_id": "6633546",
"author": "Artenz",
"timestamp": "2023-04-17T17:05:01",
"content": "Not just a grid problem. You must also have a place for all this energy to go where it can be consumed or stored.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "66... | 1,760,372,330.030051 | ||
https://hackaday.com/2023/04/17/wolfram-alpha-with-chatgpt-looks-like-a-killer-combo/ | Wolfram Alpha With ChatGPT Looks Like A Killer Combo | Donald Papp | [
"Artificial Intelligence"
] | [
"ChatGPT",
"openai",
"plugins",
"Stephen Wolfram",
"Wolfram",
"wolfram alpha"
] | Ever looked at Wolfram Alpha and the development of Wolfram Language and thought that perhaps Stephen Wolfram was a bit ahead of his time? Well, maybe the times have finally caught up because
Wolfram plus ChatGPT looks like an amazing combo
. That link goes to a long blog post from Stephen Wolfram that showcases exactl... | 32 | 9 | [
{
"comment_id": "6633538",
"author": "Artenz",
"timestamp": "2023-04-17T16:36:01",
"content": "“why exactly did you come up with your answer, and not something else?”Not just LLMs, but humans frequently have similar problems to reason exactly why they chose something. We often come up with intuitive... | 1,760,372,330.105644 | ||
https://hackaday.com/2023/04/17/puf-away-for-hardware-fingerprinting/ | PUF Away For Hardware Fingerprinting | Matthew Carlson | [
"Featured",
"hardware",
"Interest",
"Original Art",
"Slider"
] | [
"fingerprint",
"hardware",
"physically unclonable function",
"security"
] | Despite the rigorous process controls for factories, anyone who has worked on hardware can tell you that parts may look identical but are not the same. Everything from silicon defects to microscopic variations in materials can cause profoundly head-scratching effects. Perhaps one particular unit heats up faster or lock... | 9 | 5 | [
{
"comment_id": "6633507",
"author": "Ostracus",
"timestamp": "2023-04-17T14:26:08",
"content": "Did someone say SIM card?https://youtu.be/JFpLGDmcx2g",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633526",
"author": "Elliot Williams",
"time... | 1,760,372,330.158463 | ||
https://hackaday.com/2023/04/17/a-clock-timebase-no-microcontroller/ | A Clock Timebase, No Microcontroller | Jenny List | [
"clock hacks"
] | [
"4000 series logic",
"50Hz",
"555"
] | Making an electronic clock is pretty easy here in 2023, with a microcontroller capable of delivering as many quartz-disciplined pulses as you’d like available for pennies. But how did engineers generate a timebase back in the old days, and how would you do it today? It’s a question [bicyclesonthemoon] is answering, wit... | 20 | 7 | [
{
"comment_id": "6633471",
"author": "Andrew",
"timestamp": "2023-04-17T11:19:41",
"content": "Could have used, oh, never mind.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633482",
"author": "Dan",
"timestamp": "2023-04-17T12:08:25",
... | 1,760,372,330.217101 | ||
https://hackaday.com/2023/04/17/interlaken-want-to-connect-all-the-chips/ | Interlaken Want To Connect All The Chips | Al Williams | [
"FPGA",
"Microcontrollers"
] | [
"bus",
"i2c",
"Interlaken",
"serial",
"spi"
] | One of the problems with designing things on a chip is finding a good way to talk to the outside world. You may not design chips yourself, but you care because you want to connect your circuits — including other chips — to the chips in question. While I2C and SPI are common solutions, today’s circuits are looking for m... | 11 | 9 | [
{
"comment_id": "6633449",
"author": "Then",
"timestamp": "2023-04-17T09:10:41",
"content": "Its a small typo",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6633451",
"author": "Reluctant Cannibal",
"timestamp": "2023-04-17T09:15:02",
"content": "I... | 1,760,372,330.263983 | ||
https://hackaday.com/2023/04/16/circumvent-facial-recognition-with-yarn/ | Circumvent Facial Recognition With Yarn | Navarre Bartz | [
"Security Hacks",
"Wearable Hacks"
] | [
"big brother",
"clothing",
"espionage",
"jumper",
"knitting",
"knitwear",
"surveillance",
"sweater"
] | Knitwear can protect you from a winter chill, but what if it could keep you safe from the prying eyes of Big Brother as well? [Ottilia Westerlund] decided to put her knitting skills to the test for this
anti-surveillance sweater
.
[Westerlund] explains that “yarn is a programable material” containing FOR loops and othe... | 38 | 11 | [
{
"comment_id": "6633421",
"author": "Feinfinger (M-x totally-tame-mode)",
"timestamp": "2023-04-17T06:25:31",
"content": "Fsck! Cry! :…(How can that help me?I wear only black…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633426",
"author": "Pi... | 1,760,372,330.35449 | ||
https://hackaday.com/2023/04/16/using-step-and-stl-files-in-freecad/ | Using STEP And STL Files In FreeCAD | Al Williams | [
"3d Printer hacks"
] | [
"freecad",
"STEP file",
"STL file"
] | If you’ve tried FreeCAD, you know that it has a daunting number of workbenches and options. [MangoJelly] has a large number of video tutorials on FreeCAD, and the latest one, below, covers
working with STEP and STL
with the tool.
If you’ve ever wondered why designers like to work with STEP files and not STL, this video... | 11 | 5 | [
{
"comment_id": "6633468",
"author": "sweethack",
"timestamp": "2023-04-17T10:56:00",
"content": "You can try to use my tool too, that’s trying to reverse the STL back to sketches that you can now build upon :https://blog.cyril.by/en/3d-printers/parametizerSo you get a parametric object, instead of ... | 1,760,372,330.398541 | ||
https://hackaday.com/2023/04/16/hackaday-links-april-16-2023/ | Hackaday Links: April 16, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"battery charge",
"boston dynamics",
"ChatGPT",
"crime",
"defamation",
"hackaday links",
"KiCAD",
"lawsuit",
"mars",
"meccano",
"New York City",
"nyc",
"ridesharing",
"spot",
"uber"
] | The dystopian future you’ve been expecting is here now, at least if you live in New York City, which unveiled
a trio of technology solutions to the city’s crime woes
this week. Surprisingly, the least terrifying one is “DigiDog,” which seems to be more or less an off-the-shelf Spot robot from Boston Dynamics. DigiDog’s... | 25 | 11 | [
{
"comment_id": "6633384",
"author": "Jonathan Bennett",
"timestamp": "2023-04-16T23:32:01",
"content": "The thing about Uber that is easily misunderstood, is the purpose of higher prices. It’s to get service faster. Like surge pricing during an emergency. The higher prices get passed (partially) on... | 1,760,372,330.548022 | ||
https://hackaday.com/2023/04/16/a-low-noise-amplifier-to-quantify-resistor-noise/ | A Low-Noise Amplifier To Quantify Resistor Noise | Robin Kearey | [
"hardware",
"Misc Hacks"
] | [
"Johnson-Nyquist",
"LNA",
"noise measurement",
"spectrum analyzer"
] | Noise is all around us, and while acoustic noise is easy to spot using our ears, electronic noise is far harder to quantify even with the right instruments. A spectrum analyzer is the most convenient tool for noise measurements, but also adds noise of its own to whatever signal you’re looking at. [Limpkin] has been wor... | 5 | 4 | [
{
"comment_id": "6633446",
"author": "alialiali",
"timestamp": "2023-04-17T09:03:49",
"content": "Wondered where I knew his name he also makes the Mooltipass and the LNA is also available on tindie, not sure what it could be used for at $250!",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,330.442099 | ||
https://hackaday.com/2023/04/16/3d-printable-foaming-nozzle-shows-how-they-work/ | 3D-Printable Foaming Nozzle Shows How They Work | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"foaming nozzle",
"mesh",
"sieve"
] | [Jack]’s design for a
3D-printable foaming nozzle
works by mixing air with a fluid like liquid soap or hand sanitizer. This mixture gets forced through what looks like layers of fine-mesh sieve and eventually out the end by squeezing the bottle. The nozzle has no moving parts but does have an interesting structure to m... | 8 | 5 | [
{
"comment_id": "6633315",
"author": "paulvdh",
"timestamp": "2023-04-16T17:28:05",
"content": "Big Clive also has a teardown of such a foaming nozzle soap dispenser thingie.https://www.youtube.com/watch?v=Y8RCrJ5w5Qk",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,330.487777 | ||
https://hackaday.com/2023/04/16/timeframe-the-little-desk-calendar-that-could/ | Timeframe: The Little Desk Calendar That Could | Matthew Carlson | [
"home hacks",
"Microcontrollers"
] | [
"calendar",
"eink",
"pillow",
"platformio",
"python",
"Selenium"
] | Usually, the problem comes before the solution, but for [Stavros], the opposite happened. A 4.7″ E-Ink screen with integrated battery management and ESP32 caught his eye, and he bought it and started thinking about what he wanted to do with it.
The Timeframe
is a sleek desk calendar based around the integrated e-ink sc... | 7 | 2 | [
{
"comment_id": "6633345",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-04-16T19:10:20",
"content": "“Please be kind and respectful to help make the comments section excellent.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6633377",
... | 1,760,372,330.741463 | ||
https://hackaday.com/2023/04/16/detecting-anti-neutrinos-from-distant-fission-reactors-using-pure-water-at-sno/ | Detecting Anti-Neutrinos From Distant Fission Reactors Using Pure Water At SNO+ | Maya Posch | [
"Science"
] | [
"neutrinos",
"particles",
"physics",
"SNO+"
] | Although neutrinos are exceedingly common, their near-massless configuration means that their presence is rather ephemeral. Despite billions of them radiating every second towards Earth from sources like our Sun, most of them zip through our bodies and this very planet without ever interacting with either. This propert... | 32 | 10 | [
{
"comment_id": "6633275",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-04-16T12:07:07",
"content": "There’s no business like SNO+ business!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633309",
"author": "Observer",
... | 1,760,372,330.827423 | ||
https://hackaday.com/2023/04/16/curiousmarc-repairs-a-floppy/ | [CuriousMarc] Repairs A Floppy | Al Williams | [
"Repair Hacks",
"Retrocomputing"
] | [
"floppy"
] | [CuriousMarc] has a pile of 8-inch drives, all marked bad. You can’t just pop over to the computer store and buy a new one these days, so it was off to the repair bench. Although the target drive would do a quick seek, once it was in use, it just kind of shut down. So [Marc]
started sending low-level commands
to the d... | 8 | 5 | [
{
"comment_id": "6633244",
"author": "Alysson Rowan",
"timestamp": "2023-04-16T08:25:11",
"content": "Interesting ….I used to work in a repair shop where, amongst other things, we used to see a routine flow of 8″ floppy drives. The biggest things for fixing were read head realignment and replacement... | 1,760,372,331.127571 | ||
https://hackaday.com/2023/04/15/real-radar-scope-crt-shows-flights-using-ads-b/ | Real Radar Scope CRT Shows Flights Using ADS-B | Dan Maloney | [
"Misc Hacks",
"Retrocomputing"
] | [
"5FP7",
"ads-b",
"dump1090",
"flight tracking",
"flyback",
"persistence",
"phosphor",
"radar",
"Radpberry Pi",
"sdr"
] | Real-time flight data used to be something that was only available to air traffic controllers, hunched over radar scopes in darkened rooms watching the comings and goings of flights as glowing phosphor traces on their screens. But that was then; now, flight tracking is as simple as pulling up a web page. But where’s th... | 9 | 5 | [
{
"comment_id": "6633238",
"author": "Johannes Burgel",
"timestamp": "2023-04-16T07:11:30",
"content": "I like the idea, but it somehow looks way less good than I was expecting. Especially the sweeping line is *very* jittery.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,331.080138 | ||
https://hackaday.com/2023/04/14/kicad-autorouting-made-easy/ | Kicad Autorouting Made Easy | Al Williams | [
"Tool Hacks"
] | [
"autorouting",
"KiCAD",
"pcb"
] | One of the most laborious tasks in PCB layout is the routing. Autorouting isn’t always perfect, but it is nice to have the option, even if you only use it to get started and then hand-tune the resulting board. Unfortunately, recent versions of Kicad have dropped support for autorouting. You can, however, still use Free... | 23 | 11 | [
{
"comment_id": "6633020",
"author": "Artenz",
"timestamp": "2023-04-15T05:58:59",
"content": "> One of the most laborious tasks in PCB layout is the routingActually, I find the most laborious task is copying shapes and components from the datasheets, especially when the measurements are unclear or ... | 1,760,372,331.188028 | ||
https://hackaday.com/2023/04/14/need-to-pick-objects-out-of-images-segment-anything-does-exactly-that/ | Need To Pick Objects Out Of Images? Segment Anything Does Exactly That | Donald Papp | [
"Artificial Intelligence"
] | [
"ai",
"machine learning",
"machine vision",
"object detection",
"segment"
] | Segment Anything
, recently released by Facebook Research, does something that most people who have dabbled in computer vision have found daunting: reliably figure out which pixels in an image belong to an object. Making that easier is the goal of the Segment Anything Model (SAM), just released under the Apache 2.0 lic... | 7 | 3 | [
{
"comment_id": "6632985",
"author": "Comedicles",
"timestamp": "2023-04-15T03:30:11",
"content": "I’ll just leave this here. A treat for your M.2 sockethttps://hailo.ai/products/hailo-8-m2-module/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633059",
... | 1,760,372,331.036449 | ||
https://hackaday.com/2023/04/14/building-an-electron-microscope-for-research/ | Building An Electron Microscope For Research | Bryan Cockfield | [
"Science"
] | [
"creative commons",
"electron microscope",
"license",
"microscope",
"open source",
"research",
"scanning",
"sem"
] | There are a lot of situations where a research group may turn to an electron microscope to get information about whatever system they might be studying. Assessing the structure of a virus or protein, analyzing the morphology of a new nanoparticle, or examining the layout of a semiconductor all might require the use of ... | 10 | 4 | [
{
"comment_id": "6632953",
"author": "macona",
"timestamp": "2023-04-15T00:59:24",
"content": "This is actually pretty interesting. Thought their spiel about “The closed attitude of commercial entities about how exactly the different parts of electron microscopes work, makes it even harder for newco... | 1,760,372,330.98171 | ||
https://hackaday.com/2023/04/14/fail-of-the-week-car-starter-motors-arent-the-best-fit-for-ebikes/ | Fail Of The Week: Car Starter Motors Aren’t The Best Fit For EBikes | Dan Maloney | [
"Fail of the Week",
"Slider",
"Transportation Hacks"
] | [
"bms",
"duty-cycle",
"ebike",
"esc",
"fail of the week",
"fotw",
"lipo",
"starter motor"
] | A lot of what real engineering is all about is designing to the limits of your materials, with a healthy margin for error. On the other hand, seat-of-the-pants engineering often takes the opposite tack — working with the materials you have and finding their limits after the fact. While the former is more rigorous and b... | 40 | 20 | [
{
"comment_id": "6632821",
"author": "denis",
"timestamp": "2023-04-14T20:16:29",
"content": "Now while its still absolutely not fit for purpose, if he had started (hahahahaha) with a gear reduction starter like a denso unit from a 90s toyota chances are he would fair better, they seem to do much be... | 1,760,372,331.431013 | ||
https://hackaday.com/2023/04/14/3d-printed-artificial-nose-is-totally-vegan/ | 3D Printed Artificial Nose Is Totally Vegan | Lewin Day | [
"3d Printer hacks",
"Medical Hacks"
] | [
"3d printer",
"cartilage",
"medical"
] | Prosthetics are complicated, highly personal things. They must often be crafted and customized precisely to suit the individual. Additive manufacturing is proving a useful tool in this arena, as demonstrated by
a new 3D printed nose design developed at Swansea University
. And a bonus? It’s vegan, too!
Often, cartilage... | 13 | 7 | [
{
"comment_id": "6632756",
"author": "X",
"timestamp": "2023-04-14T18:39:05",
"content": "I want to feed your fingertips to the wolverines",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6632763",
"author": "Jon H",
"timestamp": "2023-04-14T18:49:13",
... | 1,760,372,331.3147 | ||
https://hackaday.com/2023/04/14/retro-gadgets-the-1983-pocket-oscilloscope/ | Retro Gadgets: The 1983 Pocket Oscilloscope | Al Williams | [
"Hackaday Columns",
"History",
"Slider"
] | [
"oscilloscope"
] | In the 1980s, an oscilloscope was typically a bulky affair with a large CRT, and a heavy power supply. So it probably grabbed a lot of attention in 1983 when Calvert Instruments Incorporated ran an ad in magazines like Radio Electronics. The ad touted a 5 MHz scope that was pocket-sized and weighed 4 ounces. The ad pro... | 31 | 19 | [
{
"comment_id": "6632732",
"author": "Jan Helebrant 🦁 (@jhelebrant)",
"timestamp": "2023-04-14T17:24:57",
"content": "To be honest, it reminded me one idea I had some time ago – if it was possible to create “fake scope CRT” screen with luminophore covered Petri dish and MCU controlled UV-LED matrix... | 1,760,372,331.264981 | ||
https://hackaday.com/2023/04/14/hackaday-podcast-214-jet-engine-hair-dryer-comic-sans-type-balls-and-belief-in-graphene/ | Hackaday Podcast 214: Jet Engine Hair Dryer, Comic Sans Type Balls, And Belief In Graphene | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Contributor Emeritus Kristina Panos gushed about all the best hacks of the previous week. But first, a contest! That’s right — hot on the heels of the Low Power Challenge comes the Op Amp Challenge, sponsored by Digi-Key. You have between now and June 6th to dip your toes ... | 4 | 1 | [
{
"comment_id": "6632766",
"author": "Shannon",
"timestamp": "2023-04-14T18:53:21",
"content": "“Contributor Emeritus Kristina Panos” – the adjective ’emeritus’ would mean you have retired from your role as contributor but been allowed to retain the title as a mark of honour. I hope this isn’t a str... | 1,760,372,331.358746 | ||
https://hackaday.com/2023/04/15/relive-the-glory-days-of-sun-workstations/ | Relive The Glory Days Of Sun Workstations | Al Williams | [
"Retrocomputing"
] | [
"qemu",
"retrocomputing",
"solaris",
"sparc",
"Sun Microsystems",
"SunOS"
] | When the IBM PC first came out, it was little more than a toy. The serious people had Sun or Apollo workstations. These ran Unix, and had nice (for the day) displays and network connections. They were also expensive, especially considering what you got. But now, QEMU can let you relive the glory days of the old Sun wor... | 25 | 12 | [
{
"comment_id": "6633212",
"author": "Ostracus",
"timestamp": "2023-04-16T02:14:44",
"content": "“[John] points out that, unlike a modern PC, SunOS ran on very tightly-controlled hardware, so it is pretty fussy about some things being just right.”I believe GeneraOS is like that.",
"parent_id": n... | 1,760,372,331.488482 | ||
https://hackaday.com/2023/04/15/3d-printed-tool-lets-you-measure-component-reels-easily/ | 3D Printed Tool Lets You Measure Component Reels Easily | Lewin Day | [
"3d Printer hacks"
] | [
"component reel",
"components",
"measuring tape",
"smd"
] | Component reels are a highly-0ptimized packaging format. They deliver components to pick and place machines for effective high-speed assembly. As more of us get into working with SMD components, we’re exposed to them as well. [MG] wanted a way to easily measure tape from component reels, which is difficult because they... | 5 | 4 | [
{
"comment_id": "6633249",
"author": "Dave",
"timestamp": "2023-04-16T09:02:32",
"content": "Simple and effective… Very nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6633269",
"author": "paulvdh",
"timestamp": "2023-04-16T11:49:57",
"content... | 1,760,372,331.532323 | ||
https://hackaday.com/2023/04/15/internet-of-washing-machines-solves-an-annoyance/ | Internet Of Washing Machines Solves An Annoyance | Al Williams | [
"home hacks",
"Network Hacks"
] | [
"appliance",
"IoT",
"oauth2",
"washing machine"
] | [Laurence Tratt]’s washing machine blew up, so he sprung for a brand new model with all the bells and whistles. Of course, these days, that means it has an Internet connection and an API. While we’re not quite convinced our washing machine actually
needs
such a thing, at least [Laurence] is making the most of it by cre... | 56 | 15 | [
{
"comment_id": "6633162",
"author": "Gerhard",
"timestamp": "2023-04-15T20:32:15",
"content": "At “solves an annoyance” I thought of the socks that disappear inside the machine ;-) But still no solution to *that* problem?",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,331.806335 | ||
https://hackaday.com/2023/04/15/noninvasive-sensors-for-brain-machine-interfaces-based-on-micropatterned-epitaxial-graphene/ | Noninvasive Sensors For Brain–Machine Interfaces Based On Micropatterned Epitaxial Graphene | Maya Posch | [
"Science"
] | [
"brain-computer interface",
"epitaxial graphene",
"graphene"
] | As fun as brain-computer interfaces (BCI) are, for the best results they tend to come with the major asterisk of requiring the cutting and lifting of a section of the skull in order to implant a Utah array or similar electrode system. A non-invasive alternative consists out of electrodes which are placed on the skin, y... | 4 | 3 | [
{
"comment_id": "6633157",
"author": "Reluctant Cannibal",
"timestamp": "2023-04-15T20:01:48",
"content": "“requiring the cutting and lifting of a section of the skull in order to implant a Utah array” ….. last time I tried this I was overcome with an almost irresistible urge to have a taste. Appare... | 1,760,372,331.853918 | ||
https://hackaday.com/2023/04/15/sufficiently-advanced-tech-has-bugs/ | Sufficiently Advanced Tech: Has Bugs | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Security Hacks",
"Slider"
] | [
"can-bus",
"newsletter",
"security"
] | Arthur C. Clarke said that “Any sufficiently advanced technology is indistinguishable from magic”. He was a sci-fi writer, though, and not a security guy. Maybe it should read “Any sufficiently advanced tech has security flaws”. Because this is the story of breaking into a car through its headlight.
In
a marvelous writ... | 74 | 14 | [
{
"comment_id": "6633099",
"author": "paulvdh",
"timestamp": "2023-04-15T14:42:30",
"content": "If your technology has bugs, then it clearly has not advanced sufficiently enough yet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6633117",
"author": ... | 1,760,372,332.077246 | ||
https://hackaday.com/2023/04/15/better-laser-cuts-know-your-kerf/ | Better Laser Cuts: Know Your Kerf | Al Williams | [
"Laser Hacks",
"Tool Hacks"
] | [
"kerf",
"Laser cutting"
] | The recent crop of laser cutters are nothing short of miraculous. For a few hundred dollars you can get a machine that can easily engrave and — subject to materials — cut well, too. [Nate] has been taking advantage of a laser to make boxes that join together using finger joinery. The problem is, the pieces have to fit ... | 19 | 8 | [
{
"comment_id": "6633079",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-04-15T12:05:31",
"content": "“and increase your chances of nailing your boxes on the first cut.”As someone who works in a cabinet shop, I enjoyed the pun!",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,332.13703 | ||
https://hackaday.com/2023/04/15/uranium-241-isotope-created-and-examined-via-multinucleon-transfer-reactions-and-mass-spectrometry/ | Uranium-241 Isotope Created And Examined Via Multinucleon Transfer Reactions And Mass Spectrometry | Maya Posch | [
"News",
"Science"
] | [
"cyclotron",
"mass spectrometer",
"multinucleon transfer"
] | A recent
paper
(
PDF
) in
Physical Review Letters
by T. Niwase and colleagues covers a fascinating new way to both create and effectively examine isotopes by employing a cyclotron and a mass spectrograph. In the paper, they describe the process of multinucleon transfer (MNT) and analysis at the recently commissioned KE... | 11 | 4 | [
{
"comment_id": "6633050",
"author": "MS",
"timestamp": "2023-04-15T08:17:00",
"content": "Mass Spectrometry is not the same as spectroscopy. It doesn’t involve the electromagnetic spectrum, but rather separates based on mass-charge ratio. MS purists often insist on calling the instrument a mass spe... | 1,760,372,332.236567 | ||
https://hackaday.com/2023/04/13/hackathon-wire-edm-build-really-works/ | Hackathon Wire EDM Build Really Works | Lewin Day | [
"Tool Hacks"
] | [
"EDM",
"wire EDM"
] | If you’ve ever short-circuited a car battery, you’ve seen the pitting and damage a few sparks can cause. Smart minds realised that controlled sparks could erode metal very accurately, in a process now known as electrical discharge machining.
[Tanner Beard] decided to build just such a machine for a hackathon
, and it w... | 12 | 3 | [
{
"comment_id": "6632506",
"author": "Robert",
"timestamp": "2023-04-13T20:41:16",
"content": "Am I right in thinking this EDM machine can only do cuts right through the full depth of the workpiece material (laser cutter or waterjet style) and not partial depth cuts the way a milling machine could (... | 1,760,372,332.18307 | ||
https://hackaday.com/2023/04/13/vintage-computer-festival-east-returns-this-weekend/ | Vintage Computer Festival East Returns This Weekend | Tom Nardi | [
"cons",
"Retrocomputing"
] | [
"VCF East 2023",
"Vintage Computer Festival East"
] | Spring has sprung at the Jersey Shore, and for retrocomputer aficionados that can only mean one thing —
the Vintage Computer Festival East is imminent
. The East Coast’s premier event for classic computers and associated electronics kicks off tomorrow at the InfoAge Science and History Museum in Wall, NJ, and continues... | 11 | 6 | [
{
"comment_id": "6632482",
"author": "ComputisProfundus",
"timestamp": "2023-04-13T19:27:25",
"content": "It’s the geek event where you’re square for NOT going!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6632501",
"author": "Jay Crutti",
"timestamp... | 1,760,372,332.289957 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.