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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/10/19/variable-nozzle-ducted-fan-provides-fluid-dynamics-lessons/ | Variable-Nozzle Ducted Fan Provides Fluid Dynamics Lessons | Bryan Cockfield | [
"drone hacks"
] | [
"Bernoulli",
"brushless",
"drone",
"Ducted Fan",
"fluid dynamics",
"jet engine",
"motor",
"remote control",
"variable nozzle",
"Venturi"
] | Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the size of the conduit it flows through decreases. When applying this principle to real-world applications, though, it can get a bit more complex tha... | 15 | 6 | [
{
"comment_id": "6692524",
"author": "dudefromthenorth",
"timestamp": "2023-10-19T18:41:01",
"content": "Since this is a ducted fan, and not a jet engine with hot exhaust gases, shouldn’t the “petals” have a curvature in the other direction in order to use bernoulli’s principle to compress or redire... | 1,760,372,131.716407 | ||
https://hackaday.com/2023/10/19/2023-hackaday-supercon-the-rest-of-the-talks/ | 2023 Hackaday Supercon: The Rest Of The Talks | Elliot Williams | [
"cons",
"Hackaday Columns",
"News"
] | [
"2023 Hackaday Supercon",
"2023 Hackaday Superconference",
"presentations",
"schedule",
"talks"
] | The 2023 Hackaday Superconference is only two weeks away, and we’re happy to announce the second half of the slate. As always, this is a great mix of well-known Hackaday faces, and folks we haven’t yet met. Whether they’re fixing up the Apollo Guidance Computer, building their own airplanes, trapping rubidium atoms, or... | 2 | 2 | [
{
"comment_id": "6692792",
"author": "Stephen Freskos",
"timestamp": "2023-10-20T19:32:53",
"content": "Do you have the correct photo for Jose Angel Torres or maybe the wrong name listed under that photo of Mark. Or it could just be custom served to me by a MiTM or ‘cloud to butt’ style attack since... | 1,760,372,132.220261 | ||
https://hackaday.com/2023/10/19/reverse-engineering-the-mechanical-bendix-central-air-data-computer/ | Reverse-Engineering The Mechanical Bendix Central Air Data Computer | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"Air Data Computer",
"analog computer"
] | Before the era of digital electronic computers, mechanical analog computers were found everywhere. From the relative simplicity of bomb sights to the complexity of fire control computers on 1940s battleships, all the way to 1950s fighter planes, these mechanical wonders enabled feats which were considered otherwise imp... | 9 | 7 | [
{
"comment_id": "6692497",
"author": "Joshua",
"timestamp": "2023-10-19T16:33:59",
"content": "“Since the avionics will never be changed for the life of the airplane (barring upgrades), having such functionality ‘hard-coded’ can be seen as a feature, as it’s likely to shake off EMPs and general EMI.... | 1,760,372,132.008797 | ||
https://hackaday.com/2023/10/19/youve-got-mail-grilled-scrambled-and-other-delicious-stamps/ | You’ve Got Mail: Grilled, Scrambled, And Other Delicious Stamps | Kristina Panos | [
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"intelligent mail barcode",
"Mr. ZIP",
"post office",
"USPS",
"ZIP code",
"ZIP+4",
"zone code"
] | Well, we’re just zipping right through this series, no? So far we’ve looked at various postal machines and how they work to flip mail around, cancel the postage, and sort it, all in a matter of seconds. We explored the first automated post office and found out why it was a failure, and we learned why it all depends on ... | 8 | 5 | [
{
"comment_id": "6692518",
"author": "Ostracus",
"timestamp": "2023-10-19T17:55:52",
"content": "The US also made a plastic film stamp.https://www.mysticstamp.com/Products/United-States/2522a/USA/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6692542",
"a... | 1,760,372,132.117821 | ||
https://hackaday.com/2023/10/19/a-typewriter-for-the-paperless-age/ | A Typewriter For The Paperless Age | Jenny List | [
"Cyberdecks",
"Raspberry Pi"
] | [
"distraction free",
"focuswriter",
"word processor"
] | Writing is, as any of the Hackaday crew will tell you, a task which requires concentration. For your best work there’s a need to be in that elusive
Zone
, and for some that means making the experience as distraction free as possible. For them there’s an entire class of minimalist word-processors and text editors which ... | 9 | 5 | [
{
"comment_id": "6692411",
"author": "Jan",
"timestamp": "2023-10-19T11:13:26",
"content": "Fun project, but what an interesting display. Does anybody have any details about this display (availability cost)?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "669... | 1,760,372,131.864089 | ||
https://hackaday.com/2023/10/19/simple-circuit-keeps-process-control-loops-in-tune/ | Simple Circuit Keeps Process Control Loops In Tune | Dan Maloney | [
"Tool Hacks"
] | [
"0-10V",
"4-20mA",
"arduino",
"current loop",
"lm358",
"loop",
"loop calibrator",
"process control",
"pwm"
] | Spare a moment’s pity for the process engineer, whose job it is to keep industrial automation running no matter what. These poor souls seem to be forever on call, fielding panicked requests to come to the factory floor whenever the line goes down. Day or night, weekends, vacations, whatever — when it breaks, the proces... | 7 | 5 | [
{
"comment_id": "6692399",
"author": "hartl",
"timestamp": "2023-10-19T10:06:10",
"content": "I see no point in using PWM and a µC here, since the voltage from the pot could go directly to the OpAmp buffers, except that it saves maybe 1€ for another pot, some resistors and drilling a hole. Only if t... | 1,760,372,131.822232 | ||
https://hackaday.com/2023/10/18/the-birdy44-keyboard-is-something-to-crow-about/ | The Birdy44 Keyboard Is Something To Crow About | Kristina Panos | [
"Peripherals Hacks",
"Raspberry Pi"
] | [
"Kailh chocs",
"keyboard",
"low-profile",
"rp2040",
"Steam Controller"
] | The funny thing about keyboard end game is that it usually involves more than one keyboard. Rare is the board that is great for both home and away. Having finished their dactyl build, [RalphCoder13] was looking to build something slimmer and more portable, and
the Birdy44 was born
.
This hand-wired beauty uses a pair o... | 6 | 2 | [
{
"comment_id": "6692426",
"author": "Silent",
"timestamp": "2023-10-19T12:23:49",
"content": "How people have this strength to build hand-wired keyboards? I have build Lily58 instead of Dactyl because wires are the worst thing in my projects – very time-consuming to do it nicely like on those Birdy... | 1,760,372,131.667043 | ||
https://hackaday.com/2023/10/18/daily-inspections-keep-your-spitfire-in-tip-top-shape/ | Daily Inspections Keep Your Spitfire In Tip-Top Shape | Richard Baguley | [
"News"
] | [
"airplane",
"percussive maintenance",
"spitfire",
"wwii"
] | What ho, chaps? Look, we know this is a bally nuisance and all, but those desk jockeys at HQ want us all to watch
this film about daily insepction of your Spitfire
. No
Vera
and no
Greta
in this one, more’s the pity, but it is jolly important. We all know that our Spitfires are complicated buckets of bolts, but those k... | 22 | 7 | [
{
"comment_id": "6692345",
"author": "gregg4",
"timestamp": "2023-10-19T02:28:04",
"content": "Tally Ho! First comment. I must say Richard, you’ve got the reminders for keeping the crews on their toes perfectly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,131.777105 | ||
https://hackaday.com/2023/10/18/the-insatiable-hunger-of-paper-shredder-based-locomotion/ | The Insatiable Hunger Of Paper Shredder-Based Locomotion | Donald Papp | [
"Art",
"Robots Hacks"
] | [
"art",
"locomotion",
"noisy",
"paper shredder"
] | We enjoy hacks that combine or alter devices, enhancing (or subverting) their purpose in the process, but [Japhy Riddle] reminds us all that sometimes it’s fun just to enjoy a spectacle. In this case, it’s
an old paper shredder given wheels and a continuous line of paper to rip into
.
The result is a device demonstrati... | 16 | 9 | [
{
"comment_id": "6692323",
"author": "Jason",
"timestamp": "2023-10-18T23:41:50",
"content": "So its like a paper shark?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6692326",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-19T... | 1,760,372,132.061051 | ||
https://hackaday.com/2023/10/18/designing-a-pcb-gps-antenna-from-scratch/ | Designing A PCB GPS Antenna From Scratch | Donald Papp | [
"gps hacks",
"PCB Hacks"
] | [
"badge",
"circular polarization",
"flatcam",
"gps",
"KiCAD",
"patch antenna",
"pcb",
"simulation"
] | These days, when it comes to GPS devices the antenna is typically part of the package. But what better opportunity for [Pepijn] to learn
how to make a GPS antenna from scratch for a badge add-on
?
A patch antenna is an antenna of a flat design, which [Pepijn] was going to put directly on a PCB. However, there was added... | 15 | 8 | [
{
"comment_id": "6692314",
"author": "Bob Haagensen",
"timestamp": "2023-10-18T22:31:45",
"content": "I’d be really interested in knowing why openEMS didn’t work out. I’ve done a few planar GPS antennas in my time using commercial full-wave simulators and the solution was usually straightforward. I... | 1,760,372,132.172789 | ||
https://hackaday.com/2023/10/18/2023-halloween-hackfest-a-spooky-severance-speaker/ | 2023 Halloween Hackfest: A Spooky “Severance” Speaker | Kristina Panos | [
"contests",
"Holiday Hacks"
] | [
"2023 Halloween Hack Fest",
"Severance",
"speaker"
] | If you know, you know. After becoming fully engrossed in the sci-fi psycho-thriller “
Severance
“, [Ben Brooks] absolutely needed to have a version of
the ominous speaker known as the Board
.
This speaker represents the Board, who is the enigmatic governing body of Lumon Industries, the fictional and gigantic biotechno... | 2 | 2 | [
{
"comment_id": "6692267",
"author": "fiddlingjunky",
"timestamp": "2023-10-18T19:19:04",
"content": "Oh man, that DF Player Mini is super cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6692662",
"author": "Johnu",
"timestamp": "2023-10-20T08:04:... | 1,760,372,132.268221 | ||
https://hackaday.com/2023/10/18/2023-hackaday-supercon-badge-welcome-to-the-vectorscope/ | 2023 Hackaday Supercon Badge: Welcome To The Vectorscope | Elliot Williams | [
"cons",
"Featured",
"Interest",
"Slider"
] | [
"2023 Hackaday Supercon",
"2023 Hackaday Superconference",
"badge",
"vector art",
"vector display",
"vectorscope"
] | This year, the Supercon badge goes analog! (Or at least fakes it pretty convincingly.) Taking inspiration from the phosphor scopes of yesteryear, the 2023 Vectorscope badge is part analog audio playground, part art project, and all about prototyping. Who doesn’t like the warm glow and lovely green fade of an old Tektro... | 48 | 28 | [
{
"comment_id": "6692239",
"author": "fid",
"timestamp": "2023-10-18T17:07:54",
"content": "What a beautiful badge! I’m glad I’ve been brushing up on trig functions lately. That round screen is going to be fun to work with.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,133.048859 | ||
https://hackaday.com/2023/10/18/vector-network-analyzer-demo-and-teardown/ | Vector Network Analyzer Demo And Teardown | Donald Papp | [
"Teardown",
"Tool Hacks"
] | [
"teardown",
"vector network analyzer",
"vna"
] | [Kerry Wong], ever interested in trying out and tearing down electrical devices, demonstrates and examines the
SV 6301a Handheld Vector Network Analyzer
. He puts the machine through its paces, noting that the 7 inch touchscreen is a pretty nice feature for those whose eyesight isn’t quite what it used to be.
The inter... | 10 | 5 | [
{
"comment_id": "6692231",
"author": "some guy",
"timestamp": "2023-10-18T16:48:46",
"content": "Sounds interesting and i would love to look at the linked website of this guy, BUT WHY ON EARTH is it not only not accessible over https but ALSO does include javascript from at least 10(!) different dom... | 1,760,372,132.451207 | ||
https://hackaday.com/2023/10/17/linux-fu-deep-git-rebasing/ | Linux Fu: Deep Git Rebasing | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider",
"Software Development"
] | [
"Git",
"Linux Fu",
"rebase",
"revision control",
"tips"
] | If you spend much time helping people with word processor programs, you’ll find that many people don’t really use much of the product. They type, change fonts, save, and print. But cross-references? Indexing? Largely, those parts of the program go unused. I’ve noticed the same thing with Git. We all use it constantly. ... | 22 | 11 | [
{
"comment_id": "6691992",
"author": "Stappers",
"timestamp": "2023-10-17T19:24:08",
"content": "Now has this page the words “rewrite” and “history”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6692022",
"author": "Oliver",
"timestamp": "2023-10-... | 1,760,372,132.514564 | ||
https://hackaday.com/2023/10/17/silicon-photolithography-the-pcb-way/ | Silicon Photolithography The PCB Way | Dan Maloney | [
"Parts"
] | [
"developer",
"etch",
"etchant",
"HF",
"hydrofluoric acid",
"photolithography",
"photoresist",
"resist",
"sodium carbonate",
"uv"
] | [ProjectsInFlight] has been doing some fantastic work documenting his DIY semiconductor fab lately. Next up: exploring
down-and-dirty photolithography methods
.
If you’ve been following along with this series — and why wouldn’t you? — you’ll recall [ProjectsInFlight]’s earlier experiments, like
creating oxide layers
on... | 3 | 3 | [
{
"comment_id": "6692096",
"author": "Davis",
"timestamp": "2023-10-18T03:38:32",
"content": "Oh, this guy could get way more resolution out of his printer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6692104",
"author": "zws1922",
"timestamp": "202... | 1,760,372,132.398027 | ||
https://hackaday.com/2023/10/17/the-pros-and-cons-of-hydrofoils/ | The Pros And Cons Of Hydrofoils | Lewin Day | [
"Featured",
"Interest",
"Misc Hacks",
"Slider"
] | [
"engineering",
"hydrofoil",
"hydrofoils"
] | Hydrofoils have fascinated naval architects and marine designers for years. Fitted with underwater wings, these designs traverse the waters at great speed with a minimum of drag. As with many innovative technologies, though, the use of hydrofoils is riddled with challenges that often offset the vast benefits they offer... | 25 | 10 | [
{
"comment_id": "6691920",
"author": "Tom Brusehaver",
"timestamp": "2023-10-17T14:06:56",
"content": "All the America’s cup sailboats are foil boats.They can go much faster than the speed of the wind.https://youtu.be/H98nH-dvNUE?si=mEO6pR9cCXJmL-FY",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,132.909291 | ||
https://hackaday.com/2023/10/17/the-clock-another-way-to-modify-the-sound-of-a-synth-chip/ | The Clock, Another Way To Modify The Sound Of A Synth Chip | Jenny List | [
"Retrocomputing"
] | [
"8 bit",
"chiptune",
"circuit bending",
"SAA1099",
"sound chip"
] | The Philips SAA1099 is perhaps one of the lesser-known among the crop of 1980s-era 8-bit sound generator chips, but with three stereo voices onboard it makes a capable instrument for chiptune experimentation. It’s attracted the attention of [Folkert van Heusden], who’s tried the novel experiment of
seeing what happens ... | 10 | 6 | [
{
"comment_id": "6691892",
"author": "CJay",
"timestamp": "2023-10-17T11:30:13",
"content": "It could be interesting to set the SAA1099 up with constant tones on each output then modulate the clock signal with another sound source or ‘function’, that way you’ve got a 3 voice synth controlled by an a... | 1,760,372,132.83407 | ||
https://hackaday.com/2023/10/17/solar-camera-built-from-raspberry-pi/ | Solar Camera Built From Raspberry Pi | Richard Baguley | [
"digital cameras hacks",
"Raspberry Pi"
] | [
"solar",
"space",
"telescope"
] | Ever since an impromptu build completed during a two-week COVID-19 quarantine back in 2020, [Will Whang] has been steadily improving his
Raspberry Pi solar photography setup
. It integrates a lot of cool stuff: multiple sensors, high bandwidth storage, and some serious hardware. This is no junk drawer build either, the... | 29 | 7 | [
{
"comment_id": "6691869",
"author": "Greg",
"timestamp": "2023-10-17T08:39:03",
"content": "Of all the interesting things about this, “uses a raspberry pi” was the thing to highlight in the headline?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6691997",
... | 1,760,372,133.234959 | ||
https://hackaday.com/2023/10/16/a-look-at-a-1960s-tube-based-magnavox-concert-grand-console-stereo/ | A Look At A 1960s Tube-Based Magnavox Concert Grand Console Stereo | Maya Posch | [
"Teardown"
] | [
"console stereo",
"Magnavox"
] | Back in presumably the early 1960s, [David]’s grandfather bought a console stereo featuring a record player, AM/FM radio and a rather astounding stereo speaker system that would be more than enough to cover a small concert hall. Having inherited this piece of auditory art after his grandfather’s passing, [David] has gi... | 31 | 12 | [
{
"comment_id": "6691852",
"author": "Marco",
"timestamp": "2023-10-17T05:53:36",
"content": "He’s lucky it didn’t catch fire, every single electrolytic should be checked and probably replaced, resistors should be checked too. Voltage should be fed through a variac and increased slowly while monitor... | 1,760,372,133.169077 | ||
https://hackaday.com/2023/10/16/vintage-computer-festival-southern-california/ | Vintage Computer Festival Southern California | Adam Fabio | [
"Retrocomputing"
] | [
"retrocomputing",
"VCF",
"Vintage Computer Festival"
] | The Vintage Computer Festival is coming to sunny
Southern California in February 2024
. That’s right, bring your Commodores, your Tandys, your PDP-11s, and Altairs. The world of retrocomputing will be open to vendors, visitors, and exhibitors at The Hotel Fera Events Center in Orange, California on February 17th and 1... | 13 | 8 | [
{
"comment_id": "6691843",
"author": "KDawg",
"timestamp": "2023-10-17T04:29:44",
"content": "3 out of the 4 corners of the USA and wonder why I haven’t given 1 bit in decades",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6691904",
"author": "WillT"... | 1,760,372,132.958141 | ||
https://hackaday.com/2023/10/18/a-casio-game-console-with-a-sticker-printer-why-didnt-we-get-it/ | A Casio Game Console With A Sticker Printer? Why Didn’t We Get It! | Jenny List | [
"Games",
"Retrocomputing"
] | [
"casio",
"Casio Loopy",
"console",
"SuperH"
] | To work in the computer games business in the mid-1990s was to have a grandstand seat at a pivotal moment. 32-bit gaming was the order of the day and 3D acceleration was making its first appearance in high-end PC graphics cards, so perhaps the fastest changes ever seen in gaming happened across a few short years. It’s ... | 10 | 7 | [
{
"comment_id": "6692178",
"author": "a",
"timestamp": "2023-10-18T12:12:12",
"content": "Imagine telling your friends you have a “loopy”, you’d never hear the end of it",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6692357",
"author": "rasz_pl",
... | 1,760,372,133.097957 | ||
https://hackaday.com/2023/10/18/stm32-offers-performance-gains-for-diy-oscilloscope/ | STM32 Offers Performance Gains For DIY Oscilloscope | Bryan Cockfield | [
"Tool Hacks"
] | [
"500 khz",
"display",
"low cost",
"oscilloscope",
"pocket",
"stm32",
"tft"
] | There’s no shortage of cheap digital oscilloscopes available today from the usual online retailers, but that doesn’t mean the appeal of building your own has gone away — especially when we have access to powerful microcontrollers that make it easier than ever to spin up custom gear. [mircemk] is using one of those micr... | 23 | 9 | [
{
"comment_id": "6692133",
"author": "paulvdh",
"timestamp": "2023-10-18T08:26:32",
"content": "I still sort of like the DSO150:https://hackaday.com/2017/11/09/review-jye-tech-dso150-oscilloscope-kit/The DSO150 has a usable frontend (for it’s low frequency range (although quite noisy)) with some opa... | 1,760,372,133.371639 | ||
https://hackaday.com/2023/10/17/open-source-ear-monitoring-platform-listens-to-your-ears/ | Open Source Ear Monitoring Platform Listens To Your Ears | Richard Baguley | [
"Medical Hacks"
] | [
"audio",
"hearing aid",
"hearing impaired"
] | All sorts of exciting things happen in your ears, and now there is a good open source way to monitor them.
Open Earable is a new project from a group of researchers and companies that monitors and records what is going on in your ear
.
The project is designed as an easy-to-build, cheap way for audiologists and others t... | 17 | 7 | [
{
"comment_id": "6692110",
"author": "Nath",
"timestamp": "2023-10-18T05:23:31",
"content": "This project is really nice! That being said is it just me or do they forget to show actual application for it? I’ve searched on their official website and their github to no avail",
"parent_id": null,
... | 1,760,372,133.433056 | ||
https://hackaday.com/2023/10/17/noble-graphs-displaying-data-with-neon-like-its-1972/ | Noble Graphs: Displaying Data With Neon Like Its 1972 | Adam Zeloof | [
"Parts"
] | [
"arduino",
"neon",
"nixie",
"retro"
] | In the days before every piece of equipment was an internet-connected box with an OLED display, engineers had to be a bit more creative with how they chose to communicate information to the user. Indicator lights, analog meters, and even Nixie tubes are just a few of the many methods employed, and are still in use toda... | 12 | 7 | [
{
"comment_id": "6692084",
"author": "Mike",
"timestamp": "2023-10-18T02:16:16",
"content": "No video of it in action, no one cares.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6692094",
"author": "Will Belden",
"timestamp": "2023-10-18T03... | 1,760,372,133.493206 | ||
https://hackaday.com/2023/10/17/ready-for-the-rapture-this-wind-up-cassette-player-can-play-anywhere/ | Ready For The Rapture: This Wind-Up Cassette Player Can Play Anywhere | Maya Posch | [
"Reverse Engineering",
"Teardown"
] | [
"hand crank",
"hand generator",
"wind-up"
] | As useful as electronics are, the need to have some source of power for them can be a bit of an issue, especially for small, portable devices. One of the most low-tech but universally applicable source is human mechanical power, as demonstrated by the rugged 1980s-era Messenger II tape player in a
recent [TechMoan] vid... | 35 | 7 | [
{
"comment_id": "6692054",
"author": "asheets",
"timestamp": "2023-10-17T23:10:28",
"content": "Weird headline…. my studies into eschatology don’t seem to reference anything in the Bible about electricity being unavailable during the Tribulation..",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,133.571764 | ||
https://hackaday.com/2023/10/17/full-self-driving-on-a-budget/ | Full Self-Driving, On A Budget | Bryan Cockfield | [
"Machine Learning"
] | [
"arduino",
"car",
"machine learning",
"neural network",
"self-driving",
"statistics",
"steering",
"vehicle",
"webcam"
] | Self-driving is currently the Holy Grail in the automotive world, with a number of companies racing to build general-purpose autonomous vehicles that can get from point A to point B with no user input. While no one has brought one to market yet, at least one has promised this feature and had customers pay for it, but c... | 35 | 13 | [
{
"comment_id": "6692000",
"author": "HaHa",
"timestamp": "2023-10-17T20:28:33",
"content": "In the old days, a software project that stayed at a floating 90% done for years was a _failed_project_. That project and its ‘owner’ were taken out back and shot before more resources could be wasted.Does ‘... | 1,760,372,133.64518 | ||
https://hackaday.com/2023/10/17/can-an-8-bit-light-gun-work-on-a-modern-tv/ | Can An 8-Bit Light Gun Work On A Modern TV? | Jenny List | [
"Games",
"Nintendo Hacks"
] | [
"CRT TV",
"light gun",
"nintendo",
"sega"
] | It’s an accepted part of retro gaming lore, that 8-bit consoles perform best when used with an original CRT TV. One of the reason for this is usually cited as being because the frame buffer and scaler circuit necessary for driving an LCD panel induces a delay not present on the original, and in particular this makes pl... | 55 | 18 | [
{
"comment_id": "6691987",
"author": "Cricri",
"timestamp": "2023-10-17T19:11:18",
"content": "Granted, the video below for the Super Scope requires severe hacking:https://www.youtube.com/watch?v=_CQ7ApMLAM0",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "669... | 1,760,372,133.80934 | ||
https://hackaday.com/2023/10/16/ken-looks-at-the-386/ | [Ken] Looks At The 386 | Al Williams | [
"Retrocomputing"
] | [
"80386",
"intel",
"ken shirriff"
] | The 80386 was — arguably — Intel’s first modern CPU. The 8086 was commercially successful, but the paged memory model was stifling. The 80286 also had a protected mode, which differed from the 386’s. [Ken Shirriff]
takes the 386 apart for us
in a recent blog post.
The 286’s protected mode was less successful than the 3... | 27 | 6 | [
{
"comment_id": "6691616",
"author": "Kevin Peters",
"timestamp": "2023-10-16T12:41:12",
"content": "I can’t work out if AI in “AI Williams” is a not-so-subtle way of saying that this summary was written by Artificial Intelligence as the short sentence structure makes it super difficult to read. The... | 1,760,372,133.711793 | ||
https://hackaday.com/2023/10/16/even-3d-printers-are-taking-selfies-now/ | Even 3D Printers Are Taking Selfies Now | Michael Shaub | [
"3d Printer hacks",
"Cellphone Hacks",
"Raspberry Pi"
] | [
"3d printing",
"android phone",
"apple phone",
"bluetooth",
"gphoto2",
"ios",
"kdenlive",
"octolapse",
"Octoprint",
"octoprint plugin",
"timelapse"
] | We love watching 3D prints magically grow, through the power of timelapse videos. These are easier to make than ever, due in no small part to a vibrant community that’s continuously refining tools such as Octolapse. Most people are using some camera they can connect to a Raspberry Pi, namely a USB webcam or CSI camera ... | 1 | 1 | [
{
"comment_id": "6691613",
"author": "mrehorst",
"timestamp": "2023-10-16T12:36:08",
"content": "I did a much simpler version of this a few years ago- no RPi needed, just an old cell phone and a bluetooth button from a selfie stick. After each print layer is completed, the extruder carriage or X axi... | 1,760,372,134.214075 | ||
https://hackaday.com/2023/10/15/re-imagining-the-water-supply/ | Re-imagining The Water Supply | Bryan Cockfield | [
"green hacks"
] | [
"climate change",
"off grid",
"plumbing",
"pumps",
"PVC",
"rainwater",
"water"
] | Getting freshwater supplied across cities and towns in a reliable and safe way is no simple task. Not only is a natural freshwater reservoir or other supply needed, but making sure the water is safe to drink and then shipping it out over a dense network of pumps and pipes can cost a surprising amount of time and money.... | 48 | 6 | [
{
"comment_id": "6691541",
"author": "Greg Garriss",
"timestamp": "2023-10-16T05:50:19",
"content": "Here on Hawaiʻi, water catchment has been the norm for generations for houses outside of town or more than a few hundred feet from the main roads. My last place had two 26,000 gallon tanks.",
"pa... | 1,760,372,134.171224 | ||
https://hackaday.com/2023/10/15/can-a-3200-kit-convert-your-car-to-electric-power/ | Can A $3200 Kit Convert Your Car To Electric Power? | Jenny List | [
"green hacks",
"Transportation Hacks"
] | [
"electric car",
"ev",
"EV conversion"
] | Whether hardcore petrolheads like it or not, we appear to be living through the final years of the internal combustion engine. In many countries there are legislative timetables in place for their eventual phasing out, and even those which remain in production are subject to ever more stringent emissions legislation. I... | 114 | 24 | [
{
"comment_id": "6691511",
"author": "brucedesertrat",
"timestamp": "2023-10-16T02:16:11",
"content": "“The kit would transform the vehicle into a hybrid rather than a fully electric vehicle, with a small battery giving the car 100 kilometres of electric range before the driver has to switch to the ... | 1,760,372,134.090272 | ||
https://hackaday.com/2023/10/15/hackaday-links-october-15-2023/ | Hackaday Links: October 15, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"bluetooth",
"ChatGPT",
"Gaelic",
"google",
"GPT-4",
"hackaday links",
"prompt",
"relevant xkcd",
"stoplight",
"traffic",
"vehicle identification number",
"vikings",
"VIN",
"World Standards Day",
"Zulu"
] | Want to get a chatbot to do your bidding, even when it’s programmed not to? It’s easy — all you have to do is
learn to speak Zulu or Scots Gaelic
. At least that seems to be the case, if research from Brown University into OpenAI’s GPT-4 vulnerabilities proves to be true. Like most chatbots, ChatGPT has a pretty extens... | 13 | 8 | [
{
"comment_id": "6691483",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-15T23:28:30",
"content": "IOW, a rune could ruin you!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6691503",
"author": "CMH62",
"timestamp"... | 1,760,372,133.941186 | ||
https://hackaday.com/2023/10/15/memorialize-your-favorite-chips-in-slate/ | Memorialize Your Favorite Chips In Slate | Tom Nardi | [
"Laser Hacks",
"Parts"
] | [
"coaster",
"laser",
"laser engraving",
"slate"
] | There’s no point in denying it — if you’re a regular reader of Hackaday, you’ve almost certainly got a favorite chip. Some in the audience yearn for the simpler days of the 6502, while others spend their days hacking on modern microcontrollers like the ESP32 or RP2040. There are even some of you out there still reachin... | 10 | 7 | [
{
"comment_id": "6691482",
"author": "Eric",
"timestamp": "2023-10-15T23:24:41",
"content": "My favorite CPU has a rather boring appearance with just a few lines of text: MOS 6502. My second favorite however is a AMD 486DX2-66 as it was the first “new” from ground PC build (previous PC were rebuilt... | 1,760,372,134.397743 | ||
https://hackaday.com/2023/10/15/labview-abandons-mac-after-four-decades/ | LabVIEW Abandons Mac After Four Decades | Maya Posch | [
"Mac Hacks",
"Software Development"
] | [
"labview",
"macOS"
] | When National Instruments (NI) released LabVIEW in 1986 it only targeted the Macintosh, with ports to other platforms coming later on in the 1990s. Now, NI has announced that with the next version in 2024, LabVIEW will only be released for Linux and Windows, leaving behind Apple’s software platform after nearly four de... | 52 | 14 | [
{
"comment_id": "6691430",
"author": "Howard",
"timestamp": "2023-10-15T17:06:33",
"content": "I’ve also heard that LabWindows is being dropped completely, leaving no option for virtual instrument development from National Instruments (recently acquired by Emerson). Our facility has been heavily inv... | 1,760,372,134.529322 | ||
https://hackaday.com/2023/10/16/low-cost-electret-microphone-preamplifiers/ | Low-Cost Electret Microphone Preamplifiers | Bryan Cockfield | [
"Musical Hacks"
] | [
"ad797",
"amplifier",
"audio recording",
"condenser",
"electret",
"filmmaking",
"microphone",
"opamp",
"preamp",
"preamplifier",
"sound"
] | Before the invention of microelectromechanical system (MEMS) microphones, almost all microphones in cell phones and other electronics were a type of condenser microphone called the electret microphone. The fact that this type of microphone is cheap and easy enough to place into consumer electronics doesn’t mean they’re... | 8 | 4 | [
{
"comment_id": "6691821",
"author": "Paul",
"timestamp": "2023-10-17T01:55:19",
"content": "Before anyone jumps in to complain about the readability of the source or the breadboard layout, study what the circuit is actually doing. Sure, it’s textbook stuff, but it’s a great example of someone *und... | 1,760,372,134.259149 | ||
https://hackaday.com/2023/10/16/bone-shaking-haunted-mirror-uses-stable-diffusion/ | Bone-Shaking Haunted Mirror Uses Stable Diffusion | Kristina Panos | [
"Holiday Hacks"
] | [
"haunted mirror",
"mirror",
"opencv",
"spooky mirror",
"stable diffusion"
] | We once thought that the best houses on Halloween were the ones that gave out full-size candy bars. While that’s still true, these days we’d rather see a cool display of some kind on the porch. Although some might consider this a trick,
gaze into [Tim]’s mirror and you’ll be treated to a spooky version of yourself
.
He... | 2 | 1 | [
{
"comment_id": "6691959",
"author": "Anon",
"timestamp": "2023-10-17T16:37:01",
"content": "You might want to think again about the big flashing image a the top, or include an epilepsy warning in your title",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "669... | 1,760,372,134.440162 | ||
https://hackaday.com/2023/10/16/2023-halloween-hackfest-a-spooky-muscle-brain-interface/ | 2023 Halloween Hackfest: A Spooky Muscle-Brain Interface | Kristina Panos | [
"Arduino Hacks",
"Holiday Hacks"
] | [
"2023 Halloween Hack Fest",
"arduino",
"emg",
"EMG detector",
"muscle-brain interface"
] | What could be better than a Halloween decoration? Something more perennial, or even something that could also be found in a classroom or lab. Something like [Markus Bindhammer]’s
spooky muscle-brain interface
. It was inspired by a series called “Tales From the Loop” in which a character’s muscle electrical activity is... | 4 | 3 | [
{
"comment_id": "6691815",
"author": "Mike",
"timestamp": "2023-10-17T01:11:27",
"content": "The show was based on artwork by Simon Stålenhag, which imagines a world from what appears to be the 1980s, but with impossibly advanced machinery, often depicted as broken down – but not always!I definitely... | 1,760,372,134.575999 | ||
https://hackaday.com/2023/10/16/keebin-with-kristina-the-one-with-the-tile-based-macropad/ | Keebin’ With Kristina: The One With The Tile-Based Macropad | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"Carlos Glidden",
"Christopher Sholes",
"macro pad",
"macropad",
"nubbin",
"Sholes & Glidden",
"TrackPoint"
] | Prolific Hackaday.io member [Michael Gardi] has hit upon the biggest problem with making reprogrammable macro pads — the legend situation. What do you do when the whole point is that the keys can so easily be changed?
There are a couple of options: blank keycaps and memorization, re-legendable keycaps, and little scree... | 8 | 4 | [
{
"comment_id": "6691751",
"author": "Foldi-One",
"timestamp": "2023-10-16T18:40:09",
"content": "I’m not sure the Hall effect part of the system makes sense, seems like a simple resistor in each tile and direct electrical contacts would be cheaper and probably work just as reliably if not more (wha... | 1,760,372,134.626292 | ||
https://hackaday.com/2023/10/16/satellite-hunting-hack-chat-2/ | Satellite Hunting Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Rescheduled — note new date!
Join us on Wednesday, October 18 at noon Pacific for the
Satellite Hunting Hack Chat
with Scott Tilley!
From the very first beeps of Sputnik, space has primarily been the domain of nations. It makes sense — for the most part, it takes the resources of a nation to get anything of appreciable... | 3 | 2 | [
{
"comment_id": "6691721",
"author": "reyh4r6yhur4",
"timestamp": "2023-10-16T17:18:59",
"content": "we not have emergency system only outhernet and pmrI dream about mastodon trought satelite",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6691814",
"author... | 1,760,372,134.668734 | ||
https://hackaday.com/2023/10/16/debug-your-senile-computers-with-the-romulator/ | Debug Your Senile Computers With The ROMulator | Julian Scheffers | [
"Retrocomputing"
] | [
"6502",
"debugger",
"romulator"
] | Some of you may have heard of the ROMulator, a device that can emulate RAM and ROM on 6502-based computers. But how does it work? How do you use it? What computers is it compatible with? [Jeff Tranter] covers that and more in
his review
of the ROMulator 6502.
The
ROMulator
is an FPGA-based board that slots between the ... | 6 | 2 | [
{
"comment_id": "6691743",
"author": "Severe Tire Damage",
"timestamp": "2023-10-16T18:10:35",
"content": "I used to use (and still have) a device called a “promice”. A serial port on one side and a cable that plugs into a ROM socket on the other. It was a godsend back in the day before everything... | 1,760,372,134.709362 | ||
https://hackaday.com/2023/10/16/why-the-rp1-is-the-most-important-product-raspberry-pi-have-ever-made/ | Why The RP1 Is The Most Important Product Raspberry Pi Have Ever Made | Jenny List | [
"Business",
"Current Events",
"Featured",
"Raspberry Pi",
"Slider"
] | [
"raspberry pi",
"Raspberry Pi 5",
"RP1"
] | We’ve had about a week to digest the pending arrival of
the Raspberry Pi 5
, and it’s safe to say that the new board from Cambridge has produced quite some excitement with its enhanced specifications and a few new capabilities not seen in its predecessors. When it goes on general sale we expect that it will power a sle... | 92 | 16 | [
{
"comment_id": "6691653",
"author": "Mike",
"timestamp": "2023-10-16T14:14:57",
"content": "Hear me out. AMD gives them an RDNA3 license for free/cheap to integrate into their own design. This will be a super cheap ROCm test board that even NVIDIA fanboi students have a reason to own. With 16GB sha... | 1,760,372,134.893543 | ||
https://hackaday.com/2023/10/15/stretching-the-flight-time-on-a-compressed-air-plane/ | Stretching The Flight Time On A Compressed Air Plane | Danie Conradie | [
"drone hacks"
] | [
"compressed air engine",
"RC airplane",
"tom stanton"
] | [Tom Stanton] has been experimenting with compressed air motors on model aircraft for a good few years, but keeping them aloft (and intact) for more than a few seconds has proven a tough nut to crack. His
latest design represents a breakthrough
— pulling off an impressive 1 minute and 26 seconds flight on 4 liters of c... | 24 | 13 | [
{
"comment_id": "6691401",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-15T14:08:27",
"content": "Use a compressed air launcher to decrease take-off load on the air supply.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6691404",
... | 1,760,372,135.216047 | ||
https://hackaday.com/2023/10/15/burnt-resistor-sleuthing/ | Burnt Resistor Sleuthing | Al Williams | [
"Parts",
"Repair Hacks"
] | [
"magic smoke",
"resistor"
] | You smell smoke and the piece of gear you are working on stops working, probably at an inopportune time. You open it up and immediately see the burned remains of a resistor. You don’t have the schematic, the Internet has nothing to say, and the markings on the resistor are burned away. What do you do? [Learn Electronic... | 7 | 6 | [
{
"comment_id": "6691397",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-15T13:51:30",
"content": "Any port in the storm.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6691451",
"author": "ren is funny",
"timestamp":... | 1,760,372,135.04121 | ||
https://hackaday.com/2023/10/15/keeping-badgers-at-bay-with-tensorflow/ | Keeping Badgers At Bay With Tensorflow | Danie Conradie | [
"home hacks",
"Machine Learning"
] | [
"computer vision",
"mqtt",
"Tensorflow Lite",
"wildlife"
] | Human-animal conflict is always a contentious issue, and finding ways to prevent damage without causing harm to the animals often requires creative solutions. [James Milward] needed a humane method to stop badgers and foxes from uprooting his garden, leading him to create the
Furbinator 3000
, a system that combines co... | 9 | 5 | [
{
"comment_id": "6691363",
"author": "Andrew",
"timestamp": "2023-10-15T09:06:47",
"content": "Now train it on mushrooms and snakes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6691365",
"author": "Jouni",
"timestamp": "2023-10-15T09:16:15... | 1,760,372,135.689976 | ||
https://hackaday.com/2023/10/14/compact-gesture-based-remote-control-over-bluetooth/ | Compact, Gesture-Based Remote Control Over Bluetooth | Donald Papp | [
"Machine Learning",
"Microcontrollers"
] | [
"gesture",
"machine learning",
"remote",
"TinyML"
] | [AlexMiller11] shared
a project for a DIY gesture-sensing remote control
that acts like a Bluetooth keyboard, capable of controlling media and presentations on a computer with a high degree of accuracy.
The device recognizes eight different gestures and controls a host PC over Bluetooth.
The hardware is a Silicon Labs ... | 5 | 3 | [
{
"comment_id": "6691330",
"author": "ian 42",
"timestamp": "2023-10-15T06:16:29",
"content": "that dev kit looks nice, but it is expensive..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6692905",
"author": "Ewald",
"timestamp": "2023-10-21... | 1,760,372,135.155106 | ||
https://hackaday.com/2023/10/14/ai-powered-snore-detector-shakes-the-pillow-so-you-dont-have-to/ | AI-Powered Snore Detector Shakes The Pillow So You Won’t | Dan Maloney | [
"Machine Learning"
] | [
"ai",
"apnea",
"cnn",
"dataset",
"haptic",
"sleep",
"snore",
"snoring",
"training"
] | If you snore, you’ll probably find out about it from someone. An elbow to the ribs courtesy of your sleepless bedmate, the kids making fun of you at breakfast, or even the lady downstairs calling the cops might give you the clear sign that you rattle the rafters, and that it’s time to do something about it. But what if... | 18 | 5 | [
{
"comment_id": "6691315",
"author": "uxorious",
"timestamp": "2023-10-15T05:21:28",
"content": "As an avid snorer, I was rather interested in this project. The work itself is well documented and impressive. However, I was quickly disappointed after reading through the full write-up when I realized ... | 1,760,372,135.319799 | ||
https://hackaday.com/2023/10/14/pcb-repair-is-a-sticky-proposition/ | PCB Repair Is A Sticky Proposition | Al Williams | [
"PCB Hacks",
"Repair Hacks"
] | [
"pcb",
"Printed Circuit Board"
] | What do you do when a PCB is cracked or even broken in two?
[MH987] has a plan
: superglue the board back and then bridge the traces with solder, solder paste, or wire. The exact method, of course, depends on the extent of the damage.
We’ve had some success with similar techniques, and, honestly, for single-sided board... | 9 | 6 | [
{
"comment_id": "6691332",
"author": "Derek Tombrello",
"timestamp": "2023-10-15T06:34:21",
"content": "As a professional tech thirty years ago, I was doing that. I guess history does repeat itself 🤠",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6691346",
... | 1,760,372,135.267078 | ||
https://hackaday.com/2023/10/14/2023-halloween-hackfest-candy-basket-sees-you-coming/ | 2023 Halloween Hackfest: Candy Basket Sees You Coming | Kristina Panos | [
"contests",
"Holiday Hacks"
] | [
"candy",
"halloween",
"Halloween candy",
"raspberry pi",
"rp2040"
] | On Halloween, some people can’t or don’t want to open the door for various reasons. Maybe they have a cat that likes to escape every chance it gets, or maybe their favorite TV show is on during prime trick-or-treating time. Whatever the case, we think it’s perfectly acceptable to leave a bowl of candy outside the door,... | 5 | 2 | [
{
"comment_id": "6691265",
"author": "Mike",
"timestamp": "2023-10-14T20:32:46",
"content": "> using an LD2410 60 GHz radar sensorEr… that ’24’ in the model # appears to mean something: “LD2410 human body sensing module adopts 24GHz millimeter wave radar sensor technology.”Sauce:https://www.hlktech.... | 1,760,372,135.369143 | ||
https://hackaday.com/2023/10/14/lessons-learned-plastic-injection-molding-for-products/ | Lessons Learned: Plastic Injection Molding For Products | Donald Papp | [
"how-to",
"Parts"
] | [
"dfm",
"draft",
"injection molding",
"mold making",
"undercut"
] | Injection molding is one of the technologies that makes the world go round. But what does it actually look like to go through the whole process to get a part made? [Achim Haug] wrote up a blog post that does a fantastic job of explaining
what to expect when getting plastic enclosures injection molded
in China.
These ai... | 23 | 10 | [
{
"comment_id": "6691212",
"author": "Bernd",
"timestamp": "2023-10-14T17:11:09",
"content": "Had this in my Bachelor as a class. It was in a university of applied sciences (in German Fachhochschule). We had Draw in CAD and had to Made Test Samples in the injection milder.",
"parent_id": null,
... | 1,760,372,135.437513 | ||
https://hackaday.com/2023/10/14/close-to-the-metal/ | Close To The Metal | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider",
"Software Development"
] | [
"firmware",
"hardware",
"micropython",
"newsletter",
"peek",
"poke",
"rp2040",
"software"
] | Firmware is caught between hardware and software. What do I mean? Microcontroller designers compete on how many interesting and useful hardware peripherals they can add to the chips, and they are all different
on purpose
. Meanwhile, software designers want to abstract away from the intricacies and idiosyncrasies of th... | 81 | 18 | [
{
"comment_id": "6691176",
"author": "Ostracus",
"timestamp": "2023-10-14T14:42:37",
"content": "“Meanwhile, software designers want to abstract away from the intricacies and idiosyncrasies of the hardware peripherals, because code wants to be generic and portable.”Good API design helps.",
"pare... | 1,760,372,135.645812 | ||
https://hackaday.com/2023/10/14/making-a-concrete-sign/ | Making A Concrete Sign | Jenny List | [
"how-to"
] | [
"casting",
"concrete",
"concrete casting"
] | While paging through the feed a few days ago our attention was caught by something a little away from the ordinary in Hackaday terms,
a DIY video about creating cast concrete signage
from [Proper DIY] which we’ve placed below the break. A deceptively easy-looking mould-making process has a few tricks that will make th... | 18 | 13 | [
{
"comment_id": "6691153",
"author": "Danjovic",
"timestamp": "2023-10-14T13:09:56",
"content": "Awesome. I think silicone letters worth a try, though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6691163",
"author": "DoctorWizard",
"timestamp": "202... | 1,760,372,137.400596 | ||
https://hackaday.com/2023/10/14/this-3d-printable-soldering-air-filter-really-sucks/ | This 3D Printable Soldering Air Filter Really Sucks | Kristina Panos | [
"Arduino Hacks",
"classic hacks",
"Microcontrollers"
] | [
"arduino",
"fan",
"solder smoke",
"soldering fan"
] | If you solder (and we know you do), you absolutely need ventilation, even for that lead-free stuff. Fortunately, [tinyboatproductions] has gotten into air quality lately and is here to help you with their
snappy 3D printed air-filtering design
.
At the heart of this build is a 120 mm notoriously-quiet Noctua fan couple... | 24 | 10 | [
{
"comment_id": "6691116",
"author": "WereCatf",
"timestamp": "2023-10-14T09:03:33",
"content": "“The only problem is that the Noctua uses PWM, so there’s no governing it with a just potentiometer.”That doesn’t even make any sense. There is no magic within the fan that makes it not work, if you’re c... | 1,760,372,137.744174 | ||
https://hackaday.com/2023/10/13/because-you-can-linux-on-an-arduino-uno/ | Because You Can: Linux On An Arduino Uno | Jenny List | [
"Arduino Hacks",
"Linux Hacks"
] | [
"arduino",
"linux",
"RISC-V"
] | There are a few “Will it run” tropes when it comes to microcontrollers, one for example is “Will it run
Doom?
“, while another is “Will it run Linux?”. In one of the lowest spec examples of the last one, [gvl610]
has got an up-to-date Linux kernel to boot on a vanilla Arduino Uno
. And your eyes didn’t deceive you, tha... | 26 | 11 | [
{
"comment_id": "6691091",
"author": "Petteri Aimonen",
"timestamp": "2023-10-14T05:32:11",
"content": "Could be faster if it bitbanged 8-bit connection to hyperbus RAM instead of 1-bit SPI to SD card. 8 data bits and a couple of control signals would be a good fit for the AVR IO ports.",
"paren... | 1,760,372,137.598928 | ||
https://hackaday.com/2023/10/13/restoration-of-a-thinkpad-701c/ | Restoration Of A Thinkpad 701C | Richard Baguley | [
"computer hacks",
"Retrocomputing"
] | [
"ibm",
"thinkpad",
"Thinkpad 701c"
] | This is like ASMR for Hackers: restoration specialist [Polymatt] has put together a
video of his work restoring a 1995 IBM Thinkpad 701c
, the famous butterfly keyboard laptop. It’s an incredible bit of restoration, with a complete teardown and rebuild, even including remaking the decals and rubber feet.
[Polymatt] run... | 9 | 7 | [
{
"comment_id": "6691062",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-14T03:06:18",
"content": "Watching him disconnect those ancient ribbon cables sent a chill up my spine!The plastic can be so brittle after nearly 3 decades.",
"parent_id": null,
"depth": 1,
... | 1,760,372,137.241645 | ||
https://hackaday.com/2023/10/13/crabapplepad-folding-keyboard-is-actually-pretty-sweet/ | Crabapplepad Folding Keyboard Is Actually Pretty Sweet | Kristina Panos | [
"Peripherals Hacks"
] | [
"folding keyboard",
"keyboard",
"split keyboard",
"TouchPad"
] | [Sergei Silnov] was quite attached to the Microsoft Natural Ergonomic 4000 keyboard, an updated version of their Natural keyboard that brought so many into the split fold. But once [Sergei] started writing notes in coffee shops, it was time for something portable.
The trouble with many portable keyboards, especially fo... | 10 | 5 | [
{
"comment_id": "6691026",
"author": "Keshlam",
"timestamp": "2023-10-13T23:46:06",
"content": "Homing bumps can be added to a keyboard by applying a drop of clear fingernail polish to the center of the key. I’ve done it often enough.(Older IBM keyboards instead made those keys a bit more deeply dis... | 1,760,372,137.534991 | ||
https://hackaday.com/2023/10/13/this-packable-ham-radio-antenna-is-made-from-nothing-but-tape/ | This Packable Ham Radio Antenna Is Made From Nothing But Tape | Dan Maloney | [
"Radio Hacks"
] | [
"2 meter",
"amateur radio",
"antenna",
"copper",
"duck tape",
"duct",
"ham",
"J-pole",
"tape"
] | On today’s episode of “Will It Antenna?”, [Ben Eadie (VE6SFX)] designs and tests
an antenna made entirely of tape
, and spoiler alert — it works pretty well.
By way of background, the basic design [Ben] uses here is known as a J-pole, a popular “my first antenna” design for amateur radio operators looking to go beyond ... | 47 | 16 | [
{
"comment_id": "6690966",
"author": "cereal",
"timestamp": "2023-10-13T20:13:35",
"content": "Sorry i know absolutly nothing about antennas but why not simply buy two rolls of aluminum foil and clamp plus and minus on these rolled out foils?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,137.682475 | ||
https://hackaday.com/2023/10/13/teletext-in-ireland-another-broadcasting-leftover-bites-the-dust/ | Teletext In Ireland, Another Broadcasting Leftover Bites The Dust | Jenny List | [
"classic hacks"
] | [
"ireland",
"teletext",
"videotext"
] | Over the years we’ve reported on the passing of a few of the broadcasting technologies of yesteryear, such as analogue TV in America, or AM radio in Europe. Now it’s the turn of an early digital contender, as one of the few remaining holdouts of old-style teletext is to shut down its service.
The Irish broadcaster RTÉ ... | 14 | 7 | [
{
"comment_id": "6690951",
"author": "Joshua",
"timestamp": "2023-10-13T18:39:29",
"content": "I find it highly depressing and scary that so many technologies bite the dust “because of internet”. It’s really a shame. Being dependent on a single technology, the internet, which is easily being manipul... | 1,760,372,137.790658 | ||
https://hackaday.com/2023/10/13/hackaday-podcast-ep-240-an-amazing-3d-printer-a-look-inside-raspberry-pi-5-and-cameras-both-film-and-digital/ | Hackaday Podcast Ep 240: An Amazing 3D Printer, A Look Inside Raspberry Pi 5, And Cameras, Both Film And Digital | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Date notwithstanding, it’s your lucky day as Elliot and Dan get together to review the best hacks of the week. For some reason, film photography was much on our writers’ minds this week, as we talked about ways to digitalize an old SLR, and how potatoes can be used to develop film (is there a Monty Python joke in there... | 6 | 2 | [
{
"comment_id": "6690909",
"author": "fabo",
"timestamp": "2023-10-13T16:23:44",
"content": "What’s that Sound? links to ‘Hackaday Podcast: What’s That Sound? Sep 15, 2023’",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690950",
"author": "Elliot Wi... | 1,760,372,137.290455 | ||
https://hackaday.com/2023/10/13/canada-abruptly-ends-official-time-signal/ | Canada Abruptly Ends Official Time Signal | Maya Posch | [
"News",
"Radio Hacks"
] | [
"time signal"
] | In a sudden move that was noted not only
by Canadian media
, but also
international media
channels, the
National Research Council Time Signal
that was broadcast by Canadian Broadcasting Corporation (CBC) on CBC Radio One since November 5 1939 was turned off on October 9th, after eighty-four years, one world war, countl... | 47 | 11 | [
{
"comment_id": "6690877",
"author": "jojo",
"timestamp": "2023-10-13T15:19:40",
"content": "Just a matter of time till we lose WWV. It will be a shame, rubidium and cesium physics packages, the options for accurate timekeeping at home, don’t last for ever. We will be utterly dependent on the GPS ... | 1,760,372,137.483398 | ||
https://hackaday.com/2023/10/13/this-week-in-security-curl-reveal-rapid-reset-ddos-and-libcue/ | This Week In Security: Curl Reveal, Rapid Reset DDoS, And Libcue | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"curl",
"CVE",
"gnome",
"RCE"
] | Curl gave us all a big warning that a severe security problem had been found in that code-base. Given the staggering number of Curl installs around the world, we held our collective breath and waited for the bombshell to drop this Wednesday. It turns out, it’s not quite as bad as feared —
so long as you don’t have a SO... | 17 | 3 | [
{
"comment_id": "6690875",
"author": "Mike",
"timestamp": "2023-10-13T15:15:04",
"content": "> And I think D-Link has officially made the ignominious list of hardware to never run stock firmware on.D-Link has long been crap. All the way back to 2006 or earlier, several D-Link routers were found to ... | 1,760,372,137.347599 | ||
https://hackaday.com/2023/10/13/debian-bookworm-comes-to-the-raspberry-pi-and-wayland-is-now-default/ | Debian Bookworm Comes To The Raspberry Pi, And Wayland Is Now Default | Jenny List | [
"Raspberry Pi",
"Software Development"
] | [
"Debian Bookworm",
"Raspberry Pi OS",
"Wayland"
] | It must have been a busy week for the PR department at Raspberry Pi, with the launch of their latest single-board computer, the Pi 5. Alongside the new board comes something else,
an updated Raspberry Pi OS version
.
This is built from Debian 12 “Bookworm”, and supplants the previous “Bullseye” version. As well as the ... | 48 | 11 | [
{
"comment_id": "6690816",
"author": "Paul",
"timestamp": "2023-10-13T12:48:47",
"content": "Curiously, Netscape also took 3 seconds to load — on a 25 MHz machine 30 years ago.Is there some fundamental rule that developers will add features and stop optimizing performance until the wait time is *jus... | 1,760,372,137.967756 | ||
https://hackaday.com/2023/10/13/an-in-depth-comparison-of-hobby-pcb-manufacturers/ | An In-Depth Comparison Of Hobby PCB Manufacturers | Richard Baguley | [
"PCB Hacks",
"Roundup"
] | [
"diy pcb",
"pcb",
"sokoban"
] | [Icamtuf] has been working on a prototyping run of a project, which involves getting PCBs made by several low volume PCB manufacturing companies. After receiving the boards, he analyzed the results and
produced an interesting analysis
.
The project he is working on is
Sir-Box-A-Lot
, a Sokoban gaming console clone that... | 46 | 14 | [
{
"comment_id": "6690785",
"author": "Daniel",
"timestamp": "2023-10-13T09:48:09",
"content": "For me a significant factor is “EU-based” or “offers IOSS”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690791",
"author": "Rick",
"timestamp":... | 1,760,372,138.205622 | ||
https://hackaday.com/2023/10/12/keypad-interface-module-reverse-engineers-pinouts-so-you-dont-have-to/ | Keypad Interface Module Reverse Engineers Pinouts So You Don’t Have To | Chris Lott | [
"Reverse Engineering",
"Tech Hacks"
] | [
"button matrix",
"decoder",
"interface",
"keypad"
] | If you’ve scavenged some random keypads and want to reuse them in a project without the hassle of figuring out the pinouts, then
[Cliff Biffle] has an interface module for you
. The Keypad Go connects to the mystery keypad via an 8-pin 0.1 inch header, and talks to your own project using I2C and/or serial.
You could ca... | 6 | 3 | [
{
"comment_id": "6690589",
"author": "Julianne",
"timestamp": "2023-10-12T16:09:27",
"content": "I kinda like the idea as an exercise, but at the same time it sorta feels like a solution looking for a problem. Determining the pinout of a keypad with either a datasheet, software trial and error, or b... | 1,760,372,138.010879 | ||
https://hackaday.com/2023/10/12/youve-got-mail-it-all-depends-on-zip-code/ | You’ve Got Mail: It All Depends On ZIP Code | Kristina Panos | [
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"intelligent mail barcode",
"Mr. ZIP",
"post office",
"USPS",
"ZIP code",
"ZIP+4",
"zone code"
] | Previously on You’ve Got Mail, we looked at a few services that were designed to speed up the mail at various points along the way. But these improvements were all taking place on the USPS’ side of the the fence. Was there anything the customer could be doing to help out?
A post card from my collection.
As it turns out... | 26 | 11 | [
{
"comment_id": "6690569",
"author": "a",
"timestamp": "2023-10-12T15:03:35",
"content": "Did old people complain about how zip codes were evil or something when it was new?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690575",
"author": "Piotrsko... | 1,760,372,138.324937 | ||
https://hackaday.com/2023/10/12/screech-owl-is-a-tribute-to-the-eowave-persephone/ | Screech Owl Is A Tribute To The Eowave Persephone | Lewin Day | [
"Musical Hacks"
] | [
"arduino",
"Arduino Leonardo",
"pcb",
"ribbon",
"Ribbon Controller",
"ribbon synth"
] | The Eowave Persephone was a beautiful thing—a monophonic ribbon synth capable of producing clean, smoothly varying tones. [Ben Glover] used to own a nice example that formerly belonged to Peter Christopherson, but lost it in the shifting sands of time.
His solution was to build one of his own from scratch.
It’s a simpl... | 6 | 5 | [
{
"comment_id": "6690531",
"author": "adobeflashhater again",
"timestamp": "2023-10-12T12:12:59",
"content": "Nifty project.Makes me wonder about varying wave form shapes to get different type sounds.If you had more than one resistor strip, could you get any capacitive effects and I wonder what that... | 1,760,372,138.256898 | ||
https://hackaday.com/2023/10/12/error-correcting-ram-on-the-desktop/ | Error-Correcting RAM On The Desktop | Bryan Cockfield | [
"computer hacks"
] | [
"7000",
"amd",
"ecc",
"error correcting",
"error-correcting code",
"memory",
"ram",
"Ryzen"
] | When running a server, especially one with mission-critical applications, it’s common practice to use error-correcting code (ECC) memory. As the name suggests, it uses an error-correcting algorithm to continually check for and fix certain errors in memory. We don’t often see these memory modules on the desktop for plen... | 55 | 16 | [
{
"comment_id": "6690515",
"author": "Cyna",
"timestamp": "2023-10-12T10:28:57",
"content": "Both i3 processors and some cheaper motherboards were capable of this around 2015 (when I went that route and switched to ZFS to ensure bit-correction all-around).",
"parent_id": null,
"depth": 1,
... | 1,760,372,138.486202 | ||
https://hackaday.com/2023/10/11/nifty-mig-welder-built-from-scrap/ | Nifty MIG Welder Built From Scrap | Lewin Day | [
"Tool Hacks"
] | [
"mig",
"mig welder",
"welder"
] | A MIG welder is a great tool to have. With machine fed wire and gas protecting the arc, it can make it easy to weld well without requiring a lot of manual skill from the operator. [PROFESSOR PARDAL BRASIL] decided to build his own MIG welder using scrap parts,
and it’s an inspiring bit of work.
The build is along the l... | 29 | 9 | [
{
"comment_id": "6690486",
"author": "capo",
"timestamp": "2023-10-12T05:47:27",
"content": "ufff yet another utube. can’t people do anything without monetizing these days. sorry but hard pass.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690489",
... | 1,760,372,138.392494 | ||
https://hackaday.com/2023/10/11/the-wirtz-pump-spins/ | The Wirtz Pump Spins | Al Williams | [
"Misc Hacks"
] | [
"pump",
"water pump"
] | Over the ages, a lot of human activity has been concerned about getting water from where we find it to where we want it. If you want to move water to a lower elevation, there’s no problem. But if you want to move water up, you need a pump. The ancients used what we call Archimedes’ screw to raise water. But a
Wirtz pum... | 18 | 10 | [
{
"comment_id": "6690473",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-12T02:21:39",
"content": "Wirtz pump, that’s a new concept for me!Interesting video.Self powered irrigation (as shown in the video) is something that needs to be used in 3rd world countries.",
"pare... | 1,760,372,138.540202 | ||
https://hackaday.com/2023/10/11/a-buzzing-flashing-phone-ringer-for-the-elderly/ | A Buzzing, Flashing Phone Ringer For The Elderly | Kristina Panos | [
"how-to",
"Phone Hacks"
] | [
"arduino",
"phone ringer",
"ringer",
"wemos d1 mini"
] | For a lonely person, elderly or otherwise, the sound of a ringing phone can be music to the ears, unless of course it’s another spam call. But what good is a phone when you can’t hear it well enough to answer?
[Giovanni Aggiustatutto] was tasked with
building an additional ringer
for a set of cordless landline phones b... | 8 | 4 | [
{
"comment_id": "6690476",
"author": "Alex",
"timestamp": "2023-10-12T03:02:07",
"content": "too simple. needs AI to determine if the phone is ringing, notification pushed to an MQTT broker, blockchain to record the call metadata.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,138.657771 | ||
https://hackaday.com/2023/10/12/removing-the-air-gap-from-an-ipad-display/ | Removing The Air Gap From An IPad Display | Lewin Day | [
"Tablet Hacks"
] | [
"display",
"ipad",
"ipad 9"
] | Some recent models of the Apple iPad have a rather annoying air gap in between the display and the outer touch surface. This can be particularly frustrating for users that press hard or use the Apple Pencil regularly. It is possible to eliminate this gap in the iPad 9, at least,
as demonstrated by [serg1us_eng]
. (Warn... | 31 | 9 | [
{
"comment_id": "6690755",
"author": "Julianne",
"timestamp": "2023-10-13T06:37:21",
"content": "I salute everybody who can repair these kinds of devices without making them worse. I tried :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690797",
... | 1,760,372,138.607658 | ||
https://hackaday.com/2023/10/12/ingenuitys-62nd-flight-and-attempting-a-new-speed-record/ | Ingenuity’s 62nd Flight And Attempting A New Speed Record | Maya Posch | [
"Space"
] | [
"helicopter",
"Ingenuity",
"mars"
] | One of the fun aspects of exploring a new planet is that you can set a lot of new records, as is the case with the very first Mars-based helicopter, Ingenuity. Since its inaugural flight on April 19th of 2021, Ingenuity has flown 61 times, setting various records for distance traveled and other parameters. Although set... | 17 | 8 | [
{
"comment_id": "6690718",
"author": "craig",
"timestamp": "2023-10-13T02:23:48",
"content": "Mad props for including furlongs as unit of measure.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690743",
"author": "Andrew",
"timestamp": "2023... | 1,760,372,138.707371 | ||
https://hackaday.com/2023/10/12/2023-halloween-hackfest-musical-jack-o-lanterns-harmonize-for-halloween/ | 2023 Halloween Hackfest: Musical Jack-o-Lanterns Harmonize For Halloween | Kristina Panos | [
"Holiday Hacks"
] | [
"jack-o-lanterns",
"leds",
"musical pumpkin",
"pumpkin",
"RGB LEDs"
] | Halloween is many things to many people. For some, it’s a chance to dress up and let loose. For others, it’s a chance to give everyone in the neighborhood a jump scare. For [Aaron], it’s the perfect time to
put on a show in the yard with some musical, light-up jack-o-lanterns
.
[Aaron] came across some deeply-discounte... | 4 | 2 | [
{
"comment_id": "6690678",
"author": "Lee Hart",
"timestamp": "2023-10-12T23:13:10",
"content": "What a great effect! What was the song you used?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690679",
"author": "Aaron Eiche",
"timestamp": "... | 1,760,372,138.754929 | ||
https://hackaday.com/2023/10/12/badminton-string-winder-gets-the-tension-just-right/ | Badminton String Winder Gets The Tension Just Right | Lewin Day | [
"Tool Hacks"
] | [
"badminton",
"restringing"
] | If you want to keep your badminton game at its peak, you’ll need a good racket with a proper set of strings. When an injury kept [Antonie Colin] off the court for a few months,
building a restringing machine helped pass the time.
The design is straightforward, using commonly-available motion components and 3D-printed p... | 0 | 0 | [] | 1,760,372,138.788724 | ||
https://hackaday.com/2023/10/12/hackaday-prize-2023-ac-measurements-made-easy/ | Hackaday Prize 2023: AC Measurements Made Easy | Bryan Cockfield | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2023 Hackaday Prize",
"digital",
"display",
"ESP32",
"measurement",
"microcontroller",
"multimeter",
"oled",
"rms",
"tools",
"voltmeter"
] | When working on simple DC systems, a small low-cost multimeter from the hardware store will get the job done well enough. Often they have the capability for measuring AC, but this is where cheap meters can get tripped up. Unless the waveform is a perfect sinusoid at a specific frequency, their simple algorithms won’t b... | 17 | 11 | [
{
"comment_id": "6690644",
"author": "ian 42",
"timestamp": "2023-10-12T20:25:27",
"content": "the actual (not that detailed) article is herehttps://www.pcbway.com/blog/technology/Digital_AC_Energy_Measurement_Circuit_V2_RMS_Voltage_RMS_Current_Real_Power_P_a1bf4da8.htmlNo details on how it does any... | 1,760,372,138.952499 | ||
https://hackaday.com/2023/10/12/usb-c-for-hackers-build-your-own-psu/ | USB-C For Hackers: Build Your Own PSU | Arya Voronova | [
"Engineering",
"Featured",
"Interest",
"Skills",
"Slider"
] | [
"design",
"diy",
"power supply",
"USB-C PD",
"usbc"
] | What if you wanted to build your own USB-C PSU? Good news – it’s easy enough! If you ever wanted to retrofit a decent DC PSU of yours to the USB-C standard, say, you got a Lenovo/HP/Dell 19V-20V charger brick and you’ve ever wished it were USB-C, today is the day when we do exactly that. To be fair, we will cheat a bit... | 43 | 16 | [
{
"comment_id": "6690608",
"author": "German Guys",
"timestamp": "2023-10-12T17:19:57",
"content": "https://eclecti.cc/hardware/tiny-usb-type-c-adjustable-power-supply",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690675",
"author": "Đức Bảo Nguyễn... | 1,760,372,139.149655 | ||
https://hackaday.com/2023/10/12/hackaday-superconference-2023-workshops-announced-get-tickets-now/ | Hackaday Superconference 2023: Workshops Announced, Get Tickets Now! | Elliot Williams | [
"cons",
"Hackaday Columns",
"News",
"Slider"
] | [
"2023 Hackaday Superconference",
"Supercon",
"tickets",
"workshops"
] | Last week, we announced just half of our fantastic slate of talks for Supercon. This week, we’re opening up the workshops. The workshops are small, hands-on opportunities to build something or learn something, lead by an expert in the field. Workshops sell out fast, so
register now if you’re interested
.
And stay tuned... | 4 | 3 | [
{
"comment_id": "6690695",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-10-13T00:16:10",
"content": "So, will Matt Venn diagram tapeouts?B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6691067",
"author": "NERP!DontThinkSoNoThanks... | 1,760,372,139.052875 | ||
https://hackaday.com/2023/10/11/micromanipulator-touches-the-tiny-things-cheaply/ | Micromanipulator Touches The Tiny Things, Cheaply | Donald Papp | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printed",
"manipulator",
"micro",
"tool"
] | Some things are small and fragile enough that they cannot be held or touched by even the steadiest of hands. Such cases call for a micromanipulator, and
[BYU CMR]’s DIY micromanipulator design
can be 3D printed and assembled with the help of some common hardware, and a little CA glue.
You may recall
an ultra-tiny Nerf-... | 12 | 4 | [
{
"comment_id": "6690425",
"author": "Ostracus",
"timestamp": "2023-10-11T20:40:38",
"content": "“Some things are small and fragile enough that they cannot be held or touched by even the steadiest of hands.”Ah, ego manipulator.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,139.407118 | ||
https://hackaday.com/2023/10/11/tattoo-removal-laser-brought-out-of-retirement-for-a-megawatt-of-fun/ | Tattoo-Removal Laser Brought Out Of Retirement For A Megawatt Of Fun | Dan Maloney | [
"Laser Hacks"
] | [
"Cr:YAG",
"high voltage",
"laser",
"megawatt",
"Nd:YAG",
"neodymium",
"optics",
"pulse",
"q-switch",
"tattoo removal"
] | We’ve got to say that [Les Wright] has the most fun on the internet, at least in terms of megawatts per dollar. Just look at his new video where he turns
a $30 eBay tattoo-removal laser into a benchtop beast
.
The junk laser in question is a neodymium:YAG pulse laser that clearly has seen better days, both externally a... | 13 | 6 | [
{
"comment_id": "6690415",
"author": "Slartibart",
"timestamp": "2023-10-11T19:43:55",
"content": "Styropyro did a… meme… of this about 3 years ago as well:https://www.youtube.com/watch?v=-BeTq99LqUo",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6690417",
... | 1,760,372,139.204942 | ||
https://hackaday.com/2023/10/11/tech-in-plain-sight-skyscrapers/ | Tech In Plain Sight: Skyscrapers | Al Williams | [
"Engineering",
"Hackaday Columns",
"History"
] | [
"skyscraper"
] | It is hard to imagine that for thousands of years, the Great Pyramid of Giza was the tallest manmade structure in the world. However, like the Lincoln Cathedral and the Washington Monument, which also held that title, these don’t count as skyscrapers because they didn’t provide living or working space to people. But as... | 3 | 3 | [
{
"comment_id": "6690414",
"author": "CityZen",
"timestamp": "2023-10-11T19:31:52",
"content": "The initial picture shows another interesting and related tech: self-erecting construction cranes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6690462",
"aut... | 1,760,372,139.358939 | ||
https://hackaday.com/2023/10/11/how-not-to-build-an-rp2040-board/ | How Not To Build An RP2040 Board | Al Williams | [
"Microcontrollers",
"Parts"
] | [
"Raspberry Pi Pico",
"rp2040"
] | We love that these days you can buy ready-made microcontroller boards that are very capable. But sometimes you need to — or just want to — do it yourself. Unfortunately, you really should design everything twice: once to figure out where all the problems are, and the second time to do it better. If you want to create y... | 26 | 8 | [
{
"comment_id": "6690378",
"author": "David Kuder",
"timestamp": "2023-10-11T16:00:05",
"content": "My number one recommendation regarding the RP2040 is to use a crystal oscillator. It may look cheaper to use a crystal and some passives, but for half the component count you get a stable clock that n... | 1,760,372,139.54582 | ||
https://hackaday.com/2023/10/11/meshtastic-and-owntracks-to-kick-your-google-habit/ | Meshtastic And Owntracks To Kick Your Google Habit | Jonathan Bennett | [
"computer hacks",
"Featured",
"handhelds hacks",
"News",
"Slider",
"Transportation Hacks"
] | [
"maps",
"Meshtastic",
"owntracks",
"timeline"
] | I have an admission to make. I have a Google addiction. Not the normal addiction — I have a problem with Google Maps, and the timeline feature. I know, I’m giving my location data to Google, who does who-knows-what-all with it. But it’s convenient to have an easy way to share location with my wife, and very useful to t... | 20 | 10 | [
{
"comment_id": "6690356",
"author": "jeppedy",
"timestamp": "2023-10-11T14:14:35",
"content": "I don’t understand why Meshtastic comes in play. If I’m using location emitting devices that are all connected to my home server, is there any value to a non-internet communication mesh like Meshtastic?",... | 1,760,372,139.476844 | ||
https://hackaday.com/2023/10/11/tiny-linux-on-a-no-mmu-risc-v-microcontroller/ | Tiny Linux On A No-MMU RISC-V Microcontroller | Jenny List | [
"Linux Hacks",
"Microcontrollers"
] | [
"MMU",
"RISC-V",
"uclinux"
] | In the vast majority of cases, running a Linux-based operating system involves a pretty powerful processor with a lot of memory on hand, and perhaps most importantly, a memory management unit, or MMU. This is a piece of hardware which manages virtual memory, seamlessly giving each process its own memory sandbox in whic... | 21 | 8 | [
{
"comment_id": "6690322",
"author": "zoobab",
"timestamp": "2023-10-11T11:34:02",
"content": "“789 KB Linux Without MMU on RISC-V”If you remove the TCP/IP stack and craft your packets in userspace, you can cut that amount in 2.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,139.603472 | ||
https://hackaday.com/2023/10/11/dumping-spacecraft-in-the-middle-of-nowhere/ | Dumping Spacecraft In The Middle Of Nowhere | Richard Baguley | [
"Space"
] | [
"deorbit",
"graveyard",
"ocean"
] | The BBC has an
interesting article on Point Nemo
, AKA the Oceanic Pole of Inaccessibility, AKA the spacecraft graveyard. This is the place in the ocean that is furthest from land, in the middle of the usually stormy South Pacific. It’s as far out there as you can get without leaving the planet: about 2,688 kilometers ... | 33 | 10 | [
{
"comment_id": "6690319",
"author": "Reluctant Cannibal",
"timestamp": "2023-10-11T11:03:12",
"content": "Cant help wondering where the ‘Edge of Nowhere’ is?I guess it’s a specific radius from the middle, but what is it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,139.67333 | ||
https://hackaday.com/2023/10/10/tiny-tape-cartridge-remembered-and-a-teardown/ | Tiny Tape Cartridge Remembered And A Teardown | Al Williams | [
"classic hacks"
] | [
"bandai",
"endless tape",
"tape cartridge"
] | If you want to add sound to something these days, you usually store it digitally. Microcontrollers are cheap and fast, and you can hold a lot of audio on a small flash card or in a ROM. But back “in the day,” storing audio was often done with tape. If you wanted something you could automate, you often turned to an endl... | 9 | 5 | [
{
"comment_id": "6690295",
"author": "Feinfinger (super villain in nostalgy mode)",
"timestamp": "2023-10-11T07:22:07",
"content": "You remember the TRS-80 era “stringy floppy”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6690302",
"author": "Julian Ski... | 1,760,372,139.719612 | ||
https://hackaday.com/2023/10/10/how-the-2022-cez-event-shows-the-fragility-of-environmental-sensors-in-high-risk-areas/ | How The 2022 CEZ Event Shows The Fragility Of Environmental Sensors In High-Risk Areas | Maya Posch | [
"computer hacks"
] | [
"environmental monitoring",
"redundancy"
] | In what reads somewhat like a convoluted detective story, the events unfolding at the Chornobyl Exclusion Zone (CEZ) in Ukraine during late February had the media channels lighting up with chatter about ‘elevated gamma radiation levels’, which showed up on the public CEZ radiation monitoring dashboard for a handful of ... | 3 | 1 | [
{
"comment_id": "6690544",
"author": "shod",
"timestamp": "2023-10-12T13:00:50",
"content": "‘chornobyl’…For fuck’s sake, is all that stuff really necessary?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6691299",
"author": "abb",
"timestamp... | 1,760,372,139.769515 | ||
https://hackaday.com/2023/10/10/antennas-can-be-a-total-mystery/ | Antennas Can Be A Total Mystery | Bryan Cockfield | [
"Radio Hacks"
] | [
"antenna",
"ham radio",
"helical",
"radio",
"underground",
"unexpected"
] | The real action in the world of ham radio is generally in the high frequency bands. Despite the name, these are relatively low-frequency bands by modern standards and the antenna sizes can get a little extreme. After all, not everyone can put up an 80-meter dipole, but ham radio operators have come up with a number of ... | 14 | 6 | [
{
"comment_id": "6690248",
"author": "TG",
"timestamp": "2023-10-10T23:35:21",
"content": "For some reason that photo makes the Trailer Park Boys theme pop into my head",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690251",
"author": "AggregatVier"... | 1,760,372,139.819403 | ||
https://hackaday.com/2023/10/10/dial-up-a-tune-on-the-jukephone/ | Dial Up A Tune On The Jukephone | Kristina Panos | [
"Musical Hacks",
"Raspberry Pi"
] | [
"18650",
"jukebox",
"mp3 player",
"raspberry pi",
"telephone"
] | What do you do when you find a nice corded phone with giant buttons out in the wild? You could pay $80/month for a landline, use a VOIP or Bluetooth solution instead, or do something a million times cooler and
turn it into a jukebox
.
Now when the receiver is lifted, [Turi] hears music instead of a dial tone or a voice... | 9 | 6 | [
{
"comment_id": "6690211",
"author": "Paul LeBlanc",
"timestamp": "2023-10-10T20:30:17",
"content": "We need to see this on a rotary dial phone",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690391",
"author": "pe7er",
"timestamp": "2023-10-... | 1,760,372,139.994209 | ||
https://hackaday.com/2023/10/10/pocket-co2-sensor-doubles-as-smd-proving-ground/ | Pocket CO2 Sensor Doubles As SMD Proving Ground | Tom Nardi | [
"Microcontrollers",
"Parts"
] | [
"CH32V003",
"CO2 sensor",
"environmental monitor",
"smd",
"smd components"
] | While for some of us it’s a distant memory, every serious electronics hobbyist must at some point make the leap from working with through-hole components to Surface Mount Devices (SMD). At first glance, the diminutive components can be quite intimidating — how can you possibly work with parts that are
literally
smaller... | 4 | 3 | [
{
"comment_id": "6690212",
"author": "Mojo",
"timestamp": "2023-10-10T20:30:42",
"content": "I found myself thrown into the deep end of SMD 25 years ago supporting laptop design. Once over the thought that it’s difficult, and armed with the correct tools, it seems much easier. For quick designs, I c... | 1,760,372,139.942555 | ||
https://hackaday.com/2023/10/10/jennys-daily-drivers-serenityos-and-in-particular-ladybird/ | Jenny’s Daily Drivers: SerenityOS, And In Particular, Ladybird | Jenny List | [
"computer hacks",
"Hackaday Columns",
"Slider",
"Software Hacks"
] | [
"browser",
"desktop",
"Ladybird",
"SerenityOS"
] | As we continue on with the series in which I take a different OS for a spin every month I am afraid, dear reader, that this month I have a confession to make. Our subject here isn’t a Daily Driver at all, and it’s not the fault of the operating system in question. Instead I’m taking a look at a subject that’s not quite... | 36 | 15 | [
{
"comment_id": "6690170",
"author": "diogenes",
"timestamp": "2023-10-10T18:27:21",
"content": "Today is also the 5th birthday of SerenityOS! Well hello friends for 5 years running.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690210",
"author": ... | 1,760,372,140.175861 | ||
https://hackaday.com/2023/10/10/wiring-up-100-car-batteries-so-you-dont-have-to/ | Wiring Up 100 Car Batteries So You Don’t Have To | Bob Baddeley | [
"High Voltage"
] | [
"automotive battery",
"batteries",
"batteries in parallel",
"current",
"electrical safety"
] | We’re willing to bet most Hackaday readers have accidentally spot welded a few electrical contacts together over the years, complete with the surge of adrenaline that comes with the unexpected pops and sparks. It’s a mistake you’ll usually only make once or twice. But where most of us would look back at such mishaps as... | 53 | 18 | [
{
"comment_id": "6690140",
"author": "CMH62",
"timestamp": "2023-10-10T16:11:46",
"content": "Holy crap … I’ve never seen anything quite like this before. WOW!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6690264",
"author": "John",
"times... | 1,760,372,140.268633 | ||
https://hackaday.com/2023/10/10/could-moon-dust-help-reduce-global-temperatures/ | Could Moon Dust Help Reduce Global Temperatures? | Lewin Day | [
"Current Events",
"Featured",
"green hacks",
"Original Art",
"Science"
] | [
"albedo",
"climate change",
"dust",
"geoengineering",
"lunar dust",
"moon",
"moon dust",
"The Moon"
] | The impacts of climate change continue to mount on human civilization, with warning signs that worse times are yet to come. Despite the scientific community raising an early warning as to the risks of continued air pollution and greenhouse gas output, efforts to stem emissions have thus far had minimal impact. Continue... | 66 | 18 | [
{
"comment_id": "6690095",
"author": "cbarn",
"timestamp": "2023-10-10T14:09:22",
"content": "Currently binging “The Umbrella Academy” with my wife and must say I dislike the idea of bringing any significant portion of the moon closer to the earth. :-)",
"parent_id": null,
"depth": 1,
"... | 1,760,372,140.730426 | ||
https://hackaday.com/2023/10/10/raspberry-pi-lifts-skirts-a-little-on-their-rp1-peripheral/ | Raspberry Pi Reveals A Little About Their RP1 Peripheral | Jenny List | [
"Raspberry Pi"
] | [
"Pi 5",
"Raspberry Pi 5",
"RP1"
] | The Raspberry Pi 5 is the new hotness from the Cambridge-based single board computer vendor, thanks in part to its new wonder-chip peripheral that speeds up much of its interfacing with the world. The RP1 hangs of the CPU’s PCIe bus and takes on many functions previously in the SoC, and those curious about it now have ... | 50 | 13 | [
{
"comment_id": "6690062",
"author": "Shoe",
"timestamp": "2023-10-10T11:37:11",
"content": "> GPIO pins are 5V-tolerant, and 3.3V-failsafe (they may safely have a voltage of up to 3.63V appliedwhen RP1 is unpoweredVery nice. There are also some comments in the blog about there being a spare M3 cor... | 1,760,372,140.356646 | ||
https://hackaday.com/2023/10/10/implant-fights-diabetes-by-making-insulin-and-oxygen/ | Implant Fights Diabetes By Making Insulin And Oxygen | Dan Maloney | [
"Medical Hacks"
] | [
"diabetes",
"electrolysis",
"hydrogen",
"insulin",
"islet cells",
"oxygen",
"pem",
"proton exchange membrane",
"T1D",
"type 1"
] | Type 1 diabetes remains a problem despite having an apparently simple solution: since T1D patients have lost the cells that produce insulin, it should be possible to transplant those cells into their bodies and restore normal function. Unfortunately, it’s not
actually
that simple, and it’s all thanks to the immune syst... | 13 | 7 | [
{
"comment_id": "6690038",
"author": "pelrun",
"timestamp": "2023-10-10T08:25:07",
"content": "It’s not power harvesting as I understand it’s defined (extracting energy from ambient vibration/heat/light), but is inductively powered via a coil worn externally instead. Which is still incredibly conven... | 1,760,372,140.577656 | ||
https://hackaday.com/2023/10/09/giant-led-matrix-fills-blank-space-in-the-kitchen/ | Giant LED Matrix Fills Blank Space In The Kitchen | Richard Baguley | [
"LED Hacks"
] | [
"home lighting",
"RGB LED",
"ws2812"
] | We’ve all got one: a blank space somewhere in our home that we don’t know what to do with. [James Miller] had one above his kitchen cabinets, so he filled it with a
giant LED matrix
. The result is a large but surprisingly attractive LED screen that can send messages, provide illumination, or while away the idle hours ... | 8 | 7 | [
{
"comment_id": "6690023",
"author": "Carl Foxmarten",
"timestamp": "2023-10-10T05:55:29",
"content": "This is actually a surprisingly cool project! I never would have considered putting something like this in the kitchen, but it works so well, *and* looks plenty stylish to boot!",
"parent_id": ... | 1,760,372,140.40205 | ||
https://hackaday.com/2023/10/09/decoding-the-8088/ | Decoding The 8088 | Al Williams | [
"computer hacks",
"Software Development",
"Software Hacks"
] | [
"8088",
"logic analyzer",
"sigrok"
] | There is a lot to like about open software, and in some areas, a well-thought-out piece of software can really make a huge impact. A great example of this is the Sigrok project. Creating simple devices that act like a logic analyzer is relatively easy. What’s hard is writing nice software for such a setup including pro... | 2 | 2 | [
{
"comment_id": "6690044",
"author": "Peter",
"timestamp": "2023-10-10T09:34:51",
"content": "Awesome work!Very nice piece for teaching bus architecture.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6690373",
"author": "Ian Grant",
"timestamp": "2023... | 1,760,372,140.614311 | ||
https://hackaday.com/2023/10/09/e-bikes-turned-solar-car/ | E-Bikes Turned Solar Car | Danie Conradie | [
"Transportation Hacks"
] | [
"e-bike",
"electric vehicle",
"solar"
] | There is something to be said for a vehicle that gains range just by standing outside in the sun. In the video after the break, [Drew Builds Stuff] demonstrates how he
turned a pair of bicycles into a solar-powered vehicle
.
The inspiration for this build started with a pair of 20″ steel framed fat tire bikes [Drew] pi... | 20 | 10 | [
{
"comment_id": "6689991",
"author": "Mick",
"timestamp": "2023-10-10T00:18:39",
"content": "Brilliant! Not sure how you’ll do in Canadian winter ( ho ho ho) but I did love the refering to the “main frame” in its original sense, not the IBM-mega-computer sense. Great job. Now, does it come in differ... | 1,760,372,140.785966 | ||
https://hackaday.com/2023/10/09/learning-about-ferroresonant-transformers-while-fixing-a-1970s-power-supply/ | Learning About Ferroresonant Transformers While Fixing A 1970s Power Supply | Maya Posch | [
"Reverse Engineering"
] | [
"centurion",
"constant voltage transformer",
"ferroresonance",
"voltage transformer"
] | Ferroresonant (constant voltage) transformer diagram. Secondary side is kept in full saturation with the tank, keeping voltage constant. (Credit: Usagi Electric)
While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics]
came across a fascinating feature of these units
: the ferroresonant, or... | 22 | 16 | [
{
"comment_id": "6689960",
"author": "spaceminions",
"timestamp": "2023-10-09T21:06:43",
"content": "This stuff isn’t that rare as an element of transformers you might take apart, but it gets little attention since it’s not made of silicon. Another neat thing about them is that they can provide a co... | 1,760,372,140.843982 | ||
https://hackaday.com/2023/10/08/hackaday-links-october-8-2023/ | Hackaday Links: October 8, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"antigravity",
"antimatter",
"asteroid",
"Bennu",
"cat",
"dystopia",
"feline",
"food robot",
"hackaday links",
"larceny",
"nasa",
"OSIRIS-REx",
"programming language",
"sample return",
"serial killer",
"surveillance state"
] | Too much of a good thing is generally a bad thing, but a surfeit of asteroid material is probably a valid exception to that rule. Such was NASA’s plight as it started to unpack the sample return capsule recently dropped off by the OSIRIS-REx spacecraft as it flew by Earth, only to discover it was
packed to overflowing ... | 17 | 8 | [
{
"comment_id": "6689784",
"author": "Ostracus",
"timestamp": "2023-10-08T23:20:18",
"content": "“Too much of a good thing is generally a bad thing, but a surfeit of asteroid material is probably a valid exception to that rule. ”Unless reenacting The Andromeda Strain.",
"parent_id": null,
"d... | 1,760,372,140.903323 | ||
https://hackaday.com/2023/10/08/auto-xylophone-uses-homemade-solenoids/ | Auto Xylophone Uses Homemade Solenoids | Al Williams | [
"Arduino Hacks",
"Musical Hacks"
] | [
"solenoid",
"xylophone"
] | Want to play the xylophone but don’t want to learn how?
[Rachad]’s automatic xylophon
e might be just the ticket. It uses homemade solenoids to play tunes under computer control. Think of it as a player piano but with electromagnetic strikers instead of piano keys. You can hear the instrument in action in the video bel... | 26 | 13 | [
{
"comment_id": "6689755",
"author": "floff",
"timestamp": "2023-10-08T20:08:30",
"content": "Little Lili has a music wish and would like to listen to Deat Metal",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6689787",
"author": "Daniel",
"ti... | 1,760,372,140.972088 | ||
https://hackaday.com/2023/10/08/virtual-mini-pinball-cabinet-scores-big/ | Virtual Mini Pinball Cabinet Scores Big | Kristina Panos | [
"Games",
"green hacks"
] | [
"e-waste recycling",
"pinball",
"tilt switch",
"virtual pinball",
"wired xdisplay"
] | Do you love pinball, but can’t justify owning a full-size cabinet? Yeah, us either, and that’s why we’re so interested in [mircemk]’s great-looking
DIY mini virtual pinball cabinet
. Since [mircemk] is a IT service specialist, they are lucky enough to have access to lots used and broken equipment, and that’s what this ... | 12 | 3 | [
{
"comment_id": "6689745",
"author": "CMH62",
"timestamp": "2023-10-08T19:00:50",
"content": "SSD in the oven at 250F for 10 minutes? What magic is this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6689750",
"author": "Mirko Pavleski",
"t... | 1,760,372,141.03224 |
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