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/2024/04/05/fictional-computers-the-three-body-problem/ | Fictional Computers: The Three Body Problem | Al Williams | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"computer",
"fiction"
] | If you intend to see the Netflix series “The Three Body Problem” or you want to read the Hugo-winning story from Chinese author [Cixin Liu], then you should probably bookmark this post and stop reading immediately. There will be some mild spoilers. You have been warned.
While the show does have some moments that will m... | 54 | 28 | [
{
"comment_id": "6747732",
"author": "Eric Mockler",
"timestamp": "2024-04-05T17:18:52",
"content": "A computer built out of cicadas maybe? They get the timing right.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6747734",
"author": "Dan Julio",
"time... | 1,760,371,955.125439 | ||
https://hackaday.com/2024/04/05/hackaday-podcast-episode-265-behind-the-epic-ssh-hack-1980s-cyber-butler-the-story-of-season-7/ | Hackaday Podcast Episode 265: Behind The Epic SSH Hack, 1980s Cyber Butler, The Story Of Season 7 | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos convened once again to give the lowdown on this week’s best hacks. First up in the news —
it’s giga-sunset time for Gigaset IoT devices
, which simultaneously became paperweights on March 29th. And all that Flipper Zero panic?
It has spread to Australia
, bu... | 0 | 0 | [] | 1,760,371,954.681439 | ||
https://hackaday.com/2024/04/05/extenders-and-translators-for-your-i2c-toolkit/ | Extenders And Translators For Your I2C Toolkit | Arya Voronova | [
"Parts"
] | [
"i2c address translation",
"i2c bus",
"LTC4317",
"TCA4307"
] | If you’ve ever been laying out a network I2C devices inside a project box or throughout your robot’s body, you’ll probably know that I2C is not without its pitfalls. But for many of those pitfalls, there’s a handy chip you can use. [Roman Dvořák] from ThunderFly has experienced it on their drone building journeys, and ... | 5 | 2 | [
{
"comment_id": "6747710",
"author": "A",
"timestamp": "2024-04-05T16:15:07",
"content": "“but as long as the pinout matches, you should be able to solder a JST-SH”. Unfortunatley not, I just checked and they’re different series and so have a different pitch. They also have different pinouts.Side no... | 1,760,371,954.536758 | ||
https://hackaday.com/2024/04/06/diy-6-ghz-pulse-compression-radar/ | DIY 6 GHZ Pulse Compression Radar | Al Williams | [
"FPGA",
"Radio Hacks"
] | [
"radar",
"Zynq"
] | Conceptually, radar is pretty simple: send out a radio wave and time how long it takes to get back via an echo. However, in practice, there are a number of trade-offs to consider. For example, producing a long pulse has more energy and range, but limits how close you can see and also the system’s ability to resolve obj... | 10 | 3 | [
{
"comment_id": "6748096",
"author": "Klaus Kammerer",
"timestamp": "2024-04-07T01:39:24",
"content": "That’s pretty amazing stuff considering during WW2 we used microwave ovens to both construct radars for detecting enemy planes and as decoys for jamming their HARM missiles.Even more exciting was t... | 1,760,371,954.792285 | ||
https://hackaday.com/2024/04/06/kids-ride-gets-boosted-battery-esp32-control/ | Kid’s Ride Gets Boosted Battery, ESP32 Control | Tom Nardi | [
"Transportation Hacks"
] | [
"motor controller",
"power tool battery",
"Power Wheel"
] | That irresistible urge to rescue an interesting piece of hardware from the trash is something that pretty much every Hackaday reader will have felt at one time or another. Sometimes it’s something that you could put to work immediately, like an old computer or some scrap piece of material that’s
just
the right size. Bu... | 15 | 4 | [
{
"comment_id": "6748050",
"author": "mojojoe",
"timestamp": "2024-04-06T20:39:13",
"content": "This seems like a much better approach than I took. I swapped the 6V motorbike battery for a huge 12V battery from a BMW 5 series. The increase in power and thoroughly messed up weight distribution meant ... | 1,760,371,954.738051 | ||
https://hackaday.com/2024/04/06/irc-client-on-bare-metal/ | IRC Client On Bare Metal | Al Williams | [
"computer hacks",
"Software Hacks"
] | [
"irc",
"UEFI"
] | In the beginning, there was the BIOS, and it was good. A PC’s BIOS knows how to set up the different hardware devices, grab a fixed part of a hard drive, load it, and run it. That’s all you need. While it might be all you
need
, it isn’t everything people
want
, so a consortium developed UEFI, which can do all the thin... | 14 | 6 | [
{
"comment_id": "6748002",
"author": "Tom G",
"timestamp": "2024-04-06T17:11:29",
"content": "“In the beginning, there was the BIOS, and it was good. ”Actually, in the beginning there was uninitialized memory. At the end of the first week, the bootloader had been input via toggle switches, and all w... | 1,760,371,954.844123 | ||
https://hackaday.com/2024/04/06/understand-your-tools-finger-exercises/ | Understand Your Tools: Finger Exercises | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"dip meter",
"ham radio",
"oscilloscope",
"tools",
"vna"
] | A dip meter is basically a coil of wire that, when you excite it, you can use to tell if something inside that coil is resonating along. This lets you measure unknown radio circuits to figure out their resonant frequency, for instance. This week, we featured a clever way to
make a dip meter with a nanoVNA
, which is an... | 12 | 5 | [
{
"comment_id": "6747970",
"author": "PWalsh",
"timestamp": "2024-04-06T14:50:39",
"content": "Had that exact experience with my NanoVNA. Watched a ton of YouTube videos and tried to pick up all the background needed to run the thing. Everyone assumes that you already have experience using a profess... | 1,760,371,954.592376 | ||
https://hackaday.com/2024/04/06/voyager-1-issue-tracked-down-to-defective-memory-chip/ | Voyager 1 Issue Tracked Down To Defective Memory Chip | Maya Posch | [
"News",
"Space"
] | [
"nasa",
"voyager"
] | After more than forty-six years all of us are likely to feel the wear of time, and Voyager 1 is no different. Following months of harrowing troubleshooting as the far-flung spacecraft stopped returning sensible data, NASA engineers now feel confident that they have tracked down the cause for the problem:
a single defec... | 52 | 11 | [
{
"comment_id": "6747934",
"author": "RetepV",
"timestamp": "2024-04-06T11:13:08",
"content": "MT ram? :PI wish the scientists all the wisdom and luck in finding a workaround! I guess that they crammed the ram full, when they designed it, so probably they will have to trade in some other functionali... | 1,760,371,955.21994 | ||
https://hackaday.com/2024/04/06/linear-feedback-shift-registers-for-fpgas/ | Linear Feedback Shift Registers For FPGAs | Al Williams | [
"FPGA"
] | [
"LFSR",
"linear feedback shift register",
"pseudo-random",
"random number"
] | If you want to start an argument at a Hackaday meeting, you have only to ask something like “How much does this weigh?” or “What time is it?” But if you really want to start a street brawl, you can always say, “Are these numbers random?” Making random numbers that are actually random is actually a tough nut to crack. M... | 28 | 12 | [
{
"comment_id": "6747911",
"author": "Alphatek",
"timestamp": "2024-04-06T08:31:22",
"content": "Given a deterministic universe, there is no random. Only seemingly random due to our lack of understanding.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "674794... | 1,760,371,954.932484 | ||
https://hackaday.com/2024/04/05/colecovision-cart-rises-from-ashes/ | ColecoVision Cart Rises From Ashes | Al Williams | [
"Retrocomputing"
] | [
"colecovision",
"fire"
] | We felt bad for [Mark] of Mark Fixes Stuff. Apparently, his house burned down and took virtually everything, including his retrocomputer collection. He did manage to pull out a few things from the remains including a ColecoVision cartridge that was — honestly — melted. We probably would have written it off, but [Mark]
... | 8 | 5 | [
{
"comment_id": "6747877",
"author": "M",
"timestamp": "2024-04-06T05:36:13",
"content": "wait, you don’t know or you do know (that it was a commercial thermostat)?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6747901",
"author": "Eric",
"t... | 1,760,371,954.63944 | ||
https://hackaday.com/2024/04/05/this-week-in-security-xz-att-and-letters-of-marque/ | This Week In Security: XZ, ATT, And Letters Of Marque | Jonathan Bennett | [
"Hackaday Columns",
"News"
] | [
"data breach",
"Letter of Marque",
"ssh",
"This Week in Security",
"xz"
] | The xz backdoor is naturally still the top story of the week. If you need a refresher, see
our previous
coverage
. As expected, some very talented reverse engineers have gone to work on the code, and
we have a much better idea of what the injected payload does
.
One of the first findings to note is that the backdoor do... | 11 | 3 | [
{
"comment_id": "6747664",
"author": "Ostracus",
"timestamp": "2024-04-05T14:13:10",
"content": "“Perhaps this should become an industry standard practice to gain maintainership in any existing open-source project.”Takes away the open-source advantage anyone can contribute.",
"parent_id": null,
... | 1,760,371,955.275012 | ||
https://hackaday.com/2024/04/05/europa-clipper-asks-big-questions-of-the-jovian-moon/ | Europa Clipper Asks Big Questions Of The Jovian Moon | Navarre Bartz | [
"Science",
"Space"
] | [
"astrobiology",
"biochemistry",
"Europa",
"Europa Clipper",
"space probe"
] | Are we alone? While we certainly have lots of strange lifeforms to choose from as companions here on our blue marble, we have yet to know if there’s anything else alive out there in the vastness of space. One of the most promising places to look in our own solar neighborhood
is Europa
.
Underneath its icy surface, Euro... | 16 | 5 | [
{
"comment_id": "6747638",
"author": "mime",
"timestamp": "2024-04-05T11:07:32",
"content": "haven’t done this in a while because it’s a bit of a put-down.But this article is essentially saying “hey we’re launching a rocket this year, and who knows what we’ll find”. Hardly an article related to hack... | 1,760,371,955.337841 | ||
https://hackaday.com/2024/04/05/3ms-floppy-disks-a-story-of-success-and-the-birth-of-imation/ | 3M’s Floppy Disks: A Story Of Success And The Birth Of Imation | Maya Posch | [
"Retrocomputing"
] | [
"3m",
"floppy diskette"
] | 3M, or as it was officially called until 2002, the Minnesota Mining and Manufacturing Company is one of those odd-duck companies where if you ask what products they manufacture the answer is pretty close to a general ‘yes’. Throughout its 121 year history, it’s moved from producing sandpaper to also producing adhesives... | 31 | 10 | [
{
"comment_id": "6747606",
"author": "Julian Skidmore",
"timestamp": "2024-04-05T09:06:00",
"content": "It’s worth remembering – the 3.5″ microfloppy disk, is in fact a 9cm floppy disk! There’s a 1mm difference and the real value is 9cm, which makes sense as it was developed by Sony, which being Jap... | 1,760,371,955.641279 | ||
https://hackaday.com/2024/04/04/finally-taming-thunderbolt-with-third-party-chips/ | Finally Taming Thunderbolt With Third-Party Chips | Arya Voronova | [
"Peripherals Hacks"
] | [
"ASM2464PD",
"NVMe",
"nvme ssd",
"tb3",
"tb4",
"Thunderbolt",
"usb4"
] | Thunderbolt has always been a functionally proprietary technology, held secret by Intel until “opening” the standard in a way that evidently wasn’t enough for anyone to meaningfully join in. At least, until last year, when we saw announcements about ASMedia developing two chips for Thunderbolt use. Now, we are starting... | 16 | 5 | [
{
"comment_id": "6747577",
"author": "Sunoo",
"timestamp": "2024-04-05T06:06:48",
"content": "Are you really so offended by it not being open source that you won’t even credit the maker? I’m pretty sure it wasn’t designed by Reddit, so you could have stuck [Picomicro] in there…",
"parent_id": nu... | 1,760,371,955.507292 | ||
https://hackaday.com/2024/04/04/tomos-moped-becomes-electric-beast/ | TOMOS Moped Becomes Electric Beast | Jenny List | [
"Transportation Hacks"
] | [
"electric motorcycle",
"moped",
"tomos"
] | The TOMOS 50cc moped, a small motorcycle produced in Yugoslavia and the Netherlands, has for decades been a common sight on European roads and provided the first taste of transport independence for countless youngsters. Unfortunately the company went bankrupt a few years ago, but there are still plenty of them about, a... | 12 | 5 | [
{
"comment_id": "6747590",
"author": "Bartz0rt",
"timestamp": "2024-04-05T07:31:28",
"content": "The dead dinosaur version apparently has about 1.5 hp (about 1.1 kW), so should be pretty zippy with a 5 kW electric motor. Not road legal in the Netherlands though at 90 km/h, unless you can get it lice... | 1,760,371,955.395848 | ||
https://hackaday.com/2024/04/04/usb-hid-and-run-exposes-yet-another-badusb-surface/ | USB HID And Run Exposes Yet Another BadUSB Surface | Arya Voronova | [
"Peripherals Hacks",
"Security Hacks"
] | [
"badusb",
"HID keyboard",
"HID usb",
"open hardware",
"pentesting",
"usb hid",
"USB HID Keyboard"
] | You might think you understand the concept of BadUSB attacks and know how to defend it, because all you’ve seen is opening a terminal window. Turns out there’s still more attack surface to cover, as [piraija] tells us in
their USB-HID-and-run publication
. If your system doesn’t do scrupulous HID device filtering, you ... | 20 | 10 | [
{
"comment_id": "6747531",
"author": "Inhibit",
"timestamp": "2024-04-05T01:30:24",
"content": "It’s almost as if hardened systems should be designed to specifically allow necessary functions instead of being a swamp of unused functionality. Although that would take skill and cost a (US*) nickle.*ma... | 1,760,371,955.452136 | ||
https://hackaday.com/2024/04/04/vibratory-rock-tumbler-bounces-on-printed-spring/ | Vibratory Rock Tumbler Bounces On Printed Spring | Tom Nardi | [
"classic hacks",
"Tool Hacks"
] | [
"3D printed parts",
"electromagnet",
"rock tumbler"
] | If you’re reading Hackaday, there’s a good chance you had a rock tumbler in your younger days. Hell, we’d put odds on a few of you having one rumbling away in the background as you read this. They’re relatively simple contraptions, and a common enough DIY project. But even still, this
largely 3D printed rock tumbler fr... | 27 | 6 | [
{
"comment_id": "6747484",
"author": "DavidO",
"timestamp": "2024-04-04T22:22:36",
"content": "“If you’re reading Hackaday, there’s a good chance you had a rock tumbler in your younger days”Well, I am, and I love HAD, but I’m certainly of different culture and not only I didn’t have that but this is... | 1,760,371,955.57452 | ||
https://hackaday.com/2024/04/09/bye-bye-green-screen-hello-monochromatic-screen/ | Bye Bye Green Screen, Hello Monochromatic Screen | Jenny List | [
"Video Hacks"
] | [
"chroma key",
"sodium lighting",
"video effects"
] | It’s not uncommon in 2024 to have some form of green background cloth for easy background effects when in a Zoom call or similar. This is a technology TV and film studios have used for decades, and it’s responsible for many of the visual effects we see every day on our screens. But it’s not perfect — its use precludes ... | 58 | 15 | [
{
"comment_id": "6748714",
"author": "Hassi",
"timestamp": "2024-04-09T08:41:47",
"content": "Great! But shouldn’t it also work with scattered monochromatic laser light?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6748729",
"author": "pelrun",
... | 1,760,371,955.881324 | ||
https://hackaday.com/2024/04/08/pumpkinos-a-modern-reimplementation-of-palmos-for-todays-platforms/ | PumpkinOS: A Modern Reimplementation Of PalmOS For Today’s Platforms | Maya Posch | [
"Retrocomputing"
] | [
"palm",
"PalmOS",
"pda"
] | In a world where the personal digital assistant (PDA) has become yet another retro computing system, it’s always nice when experiencing the software for such platforms can be done in a way that does not involve hunting down original hardware of questionable functionality. Here
PumpkinOS is a PalmOS-compatible
project b... | 27 | 9 | [
{
"comment_id": "6748681",
"author": "Sardauker",
"timestamp": "2024-04-09T06:01:37",
"content": "I need Graffiti on my cellphone.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6748686",
"author": "IIVQ",
"timestamp": "2024-04-09T06:23:18",
... | 1,760,371,955.945377 | ||
https://hackaday.com/2024/04/08/query-your-c-code/ | Query Your C Code | Al Williams | [
"Software Development"
] | [
"database"
] | If you’ve ever worked on a large project — your own or a group effort — you know it can be difficult to find exactly where you want to be in the source code. Sure, you can use ctags and most other editors have some way of searching for things. But
ClangQL
from [AmrDeveloper] lets you treat your code base like a databas... | 17 | 9 | [
{
"comment_id": "6748644",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-04-09T02:19:05",
"content": "FIND bug TYPE memory_leak WHERE all",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6748718",
"author": "Zoe Nagy",
"ti... | 1,760,371,955.778369 | ||
https://hackaday.com/2024/04/08/a-brief-history-of-keyboard-encoding/ | A Brief History Of Keyboard Encoding | Maya Posch | [
"hardware"
] | [
"keyboard",
"keyboard encoding"
] | Photoelectric encoder keyboard configured as ASCII
While typing away on our DIN, PS/2, USB or Bluetooth keyboards one of the questions which we rarely concern ourselves with is that of how the keyboard registers which keys we’re pressing. One exception here is when the keyboard can only register a limited number of sim... | 18 | 5 | [
{
"comment_id": "6748620",
"author": "KDawg",
"timestamp": "2024-04-08T23:09:27",
"content": "its an interesting article, too bad the summary leaves me with just enough to not really care if I wasn’t a computer nerd",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,956.153413 | ||
https://hackaday.com/2024/04/08/royal-typewriter-gets-a-second-or-third-life/ | Royal Typewriter Gets A Second (or Third) Life | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"restoration",
"typewriter"
] | Usually when we are restoring something with a keyboard, it is some kind of old computer or terminal. But [Make it Kozi] wanted an old-fashioned typewriter. The problem is, as he notes, they are nostalgically popular these days, so picking up a working model can be pricey. The answer?
Buy a junker and restore it
. You ... | 13 | 5 | [
{
"comment_id": "6748584",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-04-08T20:50:47",
"content": "“Artisans” love using typewriter keys for all sorts of “art”.They rip them off any typewriter that they get their hands on.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,371,955.99846 | ||
https://hackaday.com/2024/04/08/the-rise-and-fall-of-silicon-graphics/ | The Rise And Fall Of Silicon Graphics | Maya Posch | [
"History",
"Retrocomputing"
] | [
"sgi"
] | Maybe best known as the company which brought a splash of color to corporate and scientific computing with its Indigo range of computer systems, Silicon Graphics Inc. (later SGI) burst onto the market in 1981 with what was effectively one of the first commercial graphics operations accelerator with the Geometry Engine.... | 55 | 24 | [
{
"comment_id": "6748544",
"author": "mayhem",
"timestamp": "2024-04-08T18:45:33",
"content": "I’ve got two of the indy r5000 units. Just checked on the auction site and they are definitely worht selling. The thing that really got me when I got them is a 1GB hard drive from 1996. I don’t want to kno... | 1,760,371,956.247639 | ||
https://hackaday.com/2024/04/08/ultimate-power-lithium-ion-packs-need-some-extra-circuitry/ | Ultimate Power: Lithium-Ion Packs Need Some Extra Circuitry | Arya Voronova | [
"Hackaday Columns",
"News"
] | [
"battery",
"lithium cell"
] | A LiIon pack might just be exactly what you need for powering a device of yours. Whether it’s a laptop, or a robot, or a custom e-scooter, a CPAP machine, there’s likely a LiIon cell configuration that would work perfectly for your needs. Last time,
we talked quite a bit about the parameters you should know about when ... | 19 | 8 | [
{
"comment_id": "6748536",
"author": "Dude",
"timestamp": "2024-04-08T18:11:06",
"content": ">DC doesn’t shock you the way AC does, it makes your muscles contract in a way that risks you holding onto whatever is shocking you, and, it also can fry your muscles from the inside.DC actually paralyzes th... | 1,760,371,956.31393 | ||
https://hackaday.com/2024/04/03/a-nanovna-as-a-dip-meter/ | A NanoVNA As A Dip Meter | Jenny List | [
"Radio Hacks"
] | [
"grid dip oscillator",
"radio",
"vna"
] | A staple of the radio amateur’s arsenal of test equipment in previous decades was the dip meter. This was a variable frequency oscillator whose coil would be placed near the circuit to be tested, and which would show an abrupt current dip on a moving coil meter when its frequency matched the resonant frequency of what ... | 18 | 7 | [
{
"comment_id": "6747203",
"author": "Mike Barber",
"timestamp": "2024-04-04T04:42:31",
"content": "A device with billions of transistors doing the job requiring just one is hilarious. Oh, the times we live in. I suppose that “hard to come by” is relative. There are lots of old EICO, Heathkit, and L... | 1,760,371,956.476826 | ||
https://hackaday.com/2024/04/03/floss-weekly-episode-777-asterisk-wait-faxes/ | FLOSS Weekly Episode 777: Asterisk — Wait, Faxes? | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"asterisk",
"FLOSS Weekly",
"open source"
] | This week Jonathan Bennett and David Ruggles sit down with
Joshua Colp
to talk about Asterisk! That’s the Open Source phone system software you already interact with without realizing it. It started as a side project to run the phones for Linux Support Services, and it turned out working on phone systems was more fun t... | 9 | 3 | [
{
"comment_id": "6747161",
"author": "Ostracus",
"timestamp": "2024-04-04T00:05:21",
"content": "“…and it turned out working on phone systems was more fun than supporting Linux. ”Blasphemy.” But how does it handle faxes, WebRTC, and stopping spam calls? Just kidding on that last one, still an unsolv... | 1,760,371,956.365497 | ||
https://hackaday.com/2024/04/03/esp-prog-adapter-makes-your-esp32-tinkering-seamless/ | ESP-Prog-Adapter Makes Your ESP32 Tinkering Seamless | Arya Voronova | [
"Tool Hacks"
] | [
"debug",
"esp-prog",
"espressif",
"jtag",
"jtag tools",
"SOICbite"
] | Did you ever struggle with an ESP32 board of yours, wishing you had exposed that UART, or seriously lacking the JTAG port access? If so, you should seriously check out [0xjmux]’s
ESP-PROG-Adapter project,
because [0xjmux] has put a lot of love and care into making your ESP32 hardware interfacing a breeze. This project ... | 8 | 3 | [
{
"comment_id": "6747210",
"author": "shinsukke",
"timestamp": "2024-04-04T05:14:21",
"content": "A completely unrelated quirk on my side, but I love seeing ICDs (in-circuit-debuggers) using the same MCUs inside them as the ones they are meant to be debugging.Example PICkit having a PIC24, an ST-LIN... | 1,760,371,956.416946 | ||
https://hackaday.com/2024/04/03/making-the-halo-2-battle-rifle-real/ | Making TheHalo 2Battle Rifle Real | Arya Voronova | [
"Games",
"Weapons Hacks"
] | [
"gun",
"halo",
"halo 2",
"videogame replica"
] | We’ve just been shown a creation that definitely belongs on the list of impressive videogame replicas.
This BR55 rifle built by [B Squared Mfg]
not only looks exactly like its in-game
Halo 2
counterpart, it’s also a fully functional firearm chambered in 5.56. The attention to detail even brings us a game-accurate elect... | 48 | 14 | [
{
"comment_id": "6747071",
"author": "Brian",
"timestamp": "2024-04-03T18:38:20",
"content": "Awesome build! I love bull-pup designs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6747072",
"author": "Brian",
"timestamp": "2024-04-03T18:43:05",
"c... | 1,760,371,956.567103 | ||
https://hackaday.com/2024/04/03/pcb-design-review-tinysparrow-a-module-for-can-hacking-needs/ | PCB Design Review: Tinysparrow, A Module For CAN Hacking Needs | Arya Voronova | [
"Hackaday Columns",
"PCB Hacks",
"Skills"
] | [
"can-bus",
"design review",
"pcb"
] | I enjoy seeing modules that can make designing other devices easier, and when I did a call for design reviews, [enp6s0] has submitted one such board to us. It’s a module called TinySparrow (
GitHub
), that helps you build your own vehicle ECUs and any other CAN-enabled things. With a microcontroller, plenty of GPIOs, a... | 22 | 9 | [
{
"comment_id": "6747039",
"author": "MacGyverS2000",
"timestamp": "2024-04-03T17:16:03",
"content": "“…should you put protective elements for…”Consider this… an end-user is going to attach this to a vehicle, an expensive piece of equipment no matter where you come from. Do you really want to take ... | 1,760,371,956.640567 | ||
https://hackaday.com/2024/04/03/recovering-a-physically-broken-sd-card/ | Recovering A Physically Broken SD Card | Jenny List | [
"Repair Hacks"
] | [
"data recovery",
"repair",
"sd card"
] | There is much to be found online about recovering data from corrupt SD cards, but [StezStix Mix] had an entirely different problem with his card. He’d filmed an important video to it, then dropped it and ran his office chair over it, snapping it almost in half. He’s put up a couple of videos showing
how he recovered th... | 12 | 8 | [
{
"comment_id": "6747017",
"author": "BT",
"timestamp": "2024-04-03T15:53:28",
"content": "I have a lot of respect for the robustness of micro SD cards after I went over my accidentally-dropped phone with a mulching lawn mower. The phone was in bits, the battery was smoking, but the SD card with pre... | 1,760,371,956.685291 | ||
https://hackaday.com/2024/04/03/space-mirrors-dreams-of-turning-the-night-into-day-around-the-clock/ | Space Mirrors: Dreams Of Turning The Night Into Day Around The Clock | Maya Posch | [
"Featured",
"History",
"Original Art",
"Slider",
"Solar Hacks",
"Space"
] | [
"space mirror",
"znamya"
] | Recently, a company by former SpaceX employee Ben Nowack – called Reflect Orbital –
announced
that it is now ready to put gigantic mirrors in space to reflect sunshine at ground-based solar farms. This is an idea that’s been around for a hundred years already, both for purposes of defeating the night through reflecting... | 28 | 13 | [
{
"comment_id": "6746989",
"author": "Pat",
"timestamp": "2024-04-03T14:50:00",
"content": "“Considering the importance of maintaining the day-night cycle on Earth based on the evidence we have available, it is hoped that we never see space mirrors become a reality”I appreciate the dive into the bio... | 1,760,371,956.906502 | ||
https://hackaday.com/2024/04/03/a-giga-sunset-for-gigaset-iot-devices/ | A Giga-Sunset For Gigaset IoT Devices | Arya Voronova | [
"home hacks",
"News"
] | [
"bankruptcy",
"gigaset",
"home automation",
"internet of things",
"IoT",
"proprietary",
"smart home"
] | In today’s “predictable things that happened before and definitely will happen again”, we have another company in the “smart device” business that has just shuttered their servers, leaving devices completely inert. This time, it’s Gigaset. The servers were shuttered on the 29th of March, and
the official announcement
(... | 76 | 18 | [
{
"comment_id": "6746886",
"author": "elmesito",
"timestamp": "2024-04-03T11:05:37",
"content": "Maybe it should be 29th March not April.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746921",
"author": "Arya Voronova",
"timestamp": "2024-0... | 1,760,371,957.075828 | ||
https://hackaday.com/2024/04/03/long-range-meshtastic-relay/ | A Long-Range Meshtastic Relay | Bryan Cockfield | [
"Radio Hacks"
] | [
"antenna",
"heltec",
"log periodic",
"LoRa",
"Meshtastic",
"radio",
"relay",
"repeater"
] | In the past few years we’ve seen the rise of low-power mesh networking devices for everything from IoT devices, weather stations, and even off-grid communications networks. These radio modules are largely exempt from licensing requirements due to their low power and typically only operate within a very small area. But ... | 23 | 9 | [
{
"comment_id": "6746879",
"author": "steelman",
"timestamp": "2024-04-03T10:25:56",
"content": "Local codes may be different, but it isn’t uncommon that power limits for unlicensed radio devices refer to e.r.p. (effective radiated power) rather than the transmitter power. This makes using direction... | 1,760,371,956.965796 | ||
https://hackaday.com/2024/04/02/the-apple-they-should-have-made-but-didnt/ | The Apple They Should Have Made, But Didn’t | Jenny List | [
"Retrocomputing"
] | [
"1980's",
"apple",
"apple johnathan"
] | Whenever there is a large manufacturer of a popular product in the tech space, they always attract tales of near-mythical prototypes which would have changed everything on the spot had they just not been cancelled by the bean counters. The Sony-Nintendo PlayStation prototypes for example, or any of a number of machines... | 31 | 15 | [
{
"comment_id": "6746825",
"author": "Dude",
"timestamp": "2024-04-03T06:05:37",
"content": ">”every user could have their own unique Jonathan setup, pulling together various software platforms, storage devices, and hardware capabilities into their own personalized system. Imagining what would have ... | 1,760,371,957.458226 | ||
https://hackaday.com/2024/04/02/crash-iot-devices-through-protocol-fuzzing/ | Crash IoT Devices Through Protocol Fuzzing | Arya Voronova | [
"Security Hacks",
"Wireless Hacks"
] | [
"fuzzing",
"IoT",
"iot security"
] | IoT protocols are a relatively unexplored field compared to most PC-exposed protocols – it’s bothersome to need a whole radio setup before you can tinker on something, and often, for low-level experiments, just any radio won’t do. This means there’s quite a bit of security ground to cover. Now,
the U-Fuzz toolkit
from ... | 1 | 1 | [
{
"comment_id": "6746796",
"author": "FlipperHero",
"timestamp": "2024-04-03T03:24:10",
"content": "I wonder how long it will be before Canada bans it",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,957.161402 | ||
https://hackaday.com/2024/04/02/lamp-becomes-rotating-illuminated-sign-for-festival-table/ | Lamp Becomes Rotating, Illuminated Sign For Festival Table | Donald Papp | [
"Solar Hacks"
] | [
"led",
"sign",
"solar",
"turntable"
] | Two things we love are economical solutions to problems, and clever ways to use things for other than their intended purpose. [CelGenStudios] hits both bases with a simple
illuminated and spinning sign
made from a lamp and a couple economical pieces of hardware: an LED bulb, and a solar-powered product spinner. Both ar... | 5 | 4 | [
{
"comment_id": "6746783",
"author": "Piecutter",
"timestamp": "2024-04-03T01:53:43",
"content": "Looks like a hack to me!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746827",
"author": "Dude",
"timestamp": "2024-04-03T06:16:49",
... | 1,760,371,957.124188 | ||
https://hackaday.com/2024/04/02/a-nifty-f1c100s-dual-board-computer/ | A Nifty F1C100S Dual-Board Computer | Arya Voronova | [
"hardware"
] | [
"Allwinner",
"Allwinner F1C100s",
"Embedded Linux",
"F1C100s"
] | The F1C100S (and the F1C200S) is a super simple CPU to use – it’s QFN, it has RAM built-in, and it can run Linux. It just makes sense that we bring it up to you once again, this time, on
this dual-board computer
by [minilogic]. The boards look super accessible to build for a Linux computer, and it’s alright if you asse... | 15 | 6 | [
{
"comment_id": "6746729",
"author": "CRJEEA",
"timestamp": "2024-04-02T20:43:12",
"content": "On the, not, One the.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746746",
"author": "Arya Voronova",
"timestamp": "2024-04-02T21:48:19",
... | 1,760,371,957.348452 | ||
https://hackaday.com/2024/04/02/wear-testing-different-3d-printer-filaments/ | Wear Testing Different 3D Printer Filaments | Jenny List | [
"3d Printer hacks"
] | [
"3d printing",
"filament",
"wear test"
] | Over the couple of decades or so since it started to be available at an affordable level, 3D printing has revolutionized the process of making custom objects. But as anyone with a 3D printer will know, sometimes the materials don’t quite live up to the application. There is a huge variety of available filaments to help... | 6 | 2 | [
{
"comment_id": "6746709",
"author": "H Hack",
"timestamp": "2024-04-02T19:42:54",
"content": "It would be nice to see filament manufacturers publish a comprehensive, controlled, standardized test results for their filament.Seriously, why don’t they do this?",
"parent_id": null,
"depth": 1,
... | 1,760,371,957.387833 | ||
https://hackaday.com/2024/04/04/3d-navigator-for-blender/ | 3D Navigator For Blender | Al Williams | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"mpu6050",
"spacemouse"
] | If you work with high-end CAD workstations, you may have encountered a SpaceMouse or similar devices. Sort of a mouse with an extra dimension, they aren’t cheap. So [meisterodin1981] decided to build
a do-it-yourself version
for use with Blender. You can check it out in the video below.
The device uses an MPU6050 accel... | 14 | 2 | [
{
"comment_id": "6747448",
"author": "OG",
"timestamp": "2024-04-04T20:52:13",
"content": "It looks cool, but it seems fussy to use because you’re waiting for automated cursor movement. Wouldn’t a trackball be better?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,957.612374 | ||
https://hackaday.com/2024/04/04/ultimate-power-lithium-ion-batteries-in-series/ | Ultimate Power: Lithium-Ion Batteries In Series | Arya Voronova | [
"Battery Hacks",
"Hackaday Columns"
] | [
"battery",
"ebike",
"liion",
"parallel",
"series",
"voltage"
] | At some point, the 3.6 V of a single lithium ion battery just won’t do, and you’ll absolutely want to stack LiIon cells in series. When you need high power, you’ve either got to increase voltage or current, and currents above say 10 A require significantly beefed up components. This is how you’re able to charge your la... | 52 | 9 | [
{
"comment_id": "6747385",
"author": "Clovis Fritzen",
"timestamp": "2024-04-04T17:19:15",
"content": "Nice write up!. This is one of those areas of engineering that only engineers should be doing, not curious guys on the internet; too dangerous and expensive to be playing around.",
"parent_id":... | 1,760,371,957.560612 | ||
https://hackaday.com/2024/04/04/how-much-thrust-is-your-prop-really-making/ | How Much Thrust Is Your Prop Really Making? | Jenny List | [
"Tech Hacks"
] | [
"motor",
"test rig",
"thrust"
] | The problem of components not conforming to their claimed specification is one that must challenge engineers in all fields, including it seems, that of multi-rotors and remote controlled aircraft. A motor can boast an impressive spec on the website which sells it, but overheat or just not deliver when it’s on your benc... | 12 | 6 | [
{
"comment_id": "6747361",
"author": "aleksclark",
"timestamp": "2024-04-04T16:10:56",
"content": "I’ve built one of these. A key design consideration is a) support many different motor mounts b) support reversing the motor for pusher configs / props. I also include a power meter so you can evaluate... | 1,760,371,957.664262 | ||
https://hackaday.com/2024/04/04/where-graph-theory-meets-the-road-the-algorithms-behind-route-planning/ | Where Graph Theory Meets The Road: The Algorithms Behind Route Planning | Maya Posch | [
"Featured",
"History",
"Interest",
"Slider",
"Transportation Hacks"
] | [
"graph theory",
"route planning"
] | Back in the hazy olden days of the pre-2000s, navigating between two locations generally required someone to whip out a paper map and painstakingly figure out the most optimal route between those depending on the chosen methods of transport. For today’s generations no such contrivances are required, with technology hav... | 35 | 9 | [
{
"comment_id": "6747318",
"author": "Clovis Fritzen",
"timestamp": "2024-04-04T14:21:50",
"content": "I am in my 30 somethings and cannot imagine my life without G maps. I mean, how to get anywhere unknown without it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,957.844469 | ||
https://hackaday.com/2024/04/04/amazons-just-walk-out-shopping-is-out-moves-to-dash-carts-at-its-grocery-stores/ | Amazon’s ‘Just Walk Out’ Shopping Is Out, Moves To Dash Carts At Its Grocery Stores | Maya Posch | [
"Business",
"News"
] | [
"amazon",
"amazon just walk out"
] | After a few years of Amazon promoting a grocery shopping experience without checkout lines and frustrating self-checkout experiences, it is now
ditching its Just Walk Out technology
. Conceptualized as a store where you can walk in, grab the items you need and walk out with said items automatically charged to your regi... | 60 | 16 | [
{
"comment_id": "6747272",
"author": "Clovis Fritzen",
"timestamp": "2024-04-04T11:31:13",
"content": "Sometimes (often times) the future that arrives is not the one we dreamed, specially in technology.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6747312"... | 1,760,371,957.766374 | ||
https://hackaday.com/2024/04/04/a-fun-exploit-for-canon-printers-brings-gdb-gifts/ | A Fun Exploit For Canon Printers Brings GDB Gifts | Arya Voronova | [
"Security Hacks"
] | [
"2d printer",
"canon",
"canon firmware",
"gdb"
] | Modern printers make it all that much more tempting to try and hack them — the hardware generally tends to be decent, but the firmware appears to be designed to squeeze as much money out of you as possible while keeping your annoyance level consistently high.
That’s why it’s nice to see this exploit
of the Canon imageC... | 12 | 5 | [
{
"comment_id": "6747386",
"author": "Miles",
"timestamp": "2024-04-04T17:20:19",
"content": "How close are we to being able to re-purpose a printer with an off-the-shelf 3D printer board? Maybe just a custom module for the inkjet driver?I had a printer recently refuse to print in black and white u... | 1,760,371,957.895263 | ||
https://hackaday.com/2024/04/03/make-a-gps-antenna-compatible-with-same-manufacturers-receiver/ | Make A GPS Antenna Compatible With Same Manufacturer’s Receiver | Arya Voronova | [
"Wireless Hacks"
] | [
"active antenna",
"gps",
"gps antenna",
"symmetricom"
] | GPS can be a bit complex of a technology – you have to receive a signal below the noise floor, do quite a bit of math that relies on the theory of relativity, and, adding insult to injury, you also have to go outside to test it. Have you ever wondered how GPS antennas work? In particular, how do active GPS antennas get... | 9 | 2 | [
{
"comment_id": "6747221",
"author": "M",
"timestamp": "2024-04-04T06:38:25",
"content": "quantum mechanics? no. relativity? yes.I swear, both have achieved such a status as hand-wavy magic that people start to use them as interchangeable science babble.",
"parent_id": null,
"depth": 1,
... | 1,760,371,957.943723 | ||
https://hackaday.com/2024/04/02/giant-sails-actually-help-cargo-ships-save-fuel-and-the-planet-in-turn/ | Giant Sails Actually Help Cargo Ships Save Fuel, And The Planet In Turn | Lewin Day | [
"green hacks",
"Hackaday Columns",
"Misc Hacks",
"Slider"
] | [
"cargo",
"cargo ship",
"sails",
"shipping"
] | Shipping is not a clean business. The global economy is fueled by trade, and much of that trade involves hauling product from point A to point B. A great deal of that product goes by water. Shipping it around uses a great deal of fuel, and creates a great deal of greenhouse gas emissions. It’s bad for the environment, ... | 81 | 17 | [
{
"comment_id": "6746672",
"author": "pxmpxmpxm",
"timestamp": "2024-04-02T17:35:48",
"content": "The fact the press releases rambles on about co2 instead of dollar fuel savings is all you need to know regarding the viability and cost/benefit of this.",
"parent_id": null,
"depth": 1,
"re... | 1,760,371,958.185974 | ||
https://hackaday.com/2024/04/02/multiply-your-multimeter-with-relays-and-usb/ | Multiply Your Multimeter With Relays And USB | Dan Maloney | [
"Tool Hacks"
] | [
"multiplexer",
"relay",
"stm32",
"TBD82783",
"test instrument",
"usb"
] | Multimeters are a bit like potato chips: you can’t have just one. But they’re a lot more expensive than potato chips, especially the good ones, and while it’s tempting to just go get another one when you need to make multiple measurements, sometimes it’s not practical. That’s why something like
this 2×4 relay-based mul... | 10 | 7 | [
{
"comment_id": "6746654",
"author": "Jan",
"timestamp": "2024-04-02T16:15:45",
"content": "Voltage and current measurements wont muliplex that well as the meters current measurment is a short circuit to voltage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,371,958.058159 | ||
https://hackaday.com/2024/04/02/mining-and-refining-tungsten/ | Mining And Refining: Tungsten | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Slider"
] | [
"apt",
"beneficiation",
"Carbide",
"electrode",
"Mining and Refining",
"refractory",
"sintering",
"tungstate",
"tungsten",
"Wolfram"
] | Our metallurgical history is a little bit like a game of Rock, Paper, Scissors, only without the paper; we’re always looking for something hard enough to cut whatever the current hardest metal is. We started with
copper
, the first metal to be mined and refined. But then we needed something to cut copper, so we ended u... | 16 | 10 | [
{
"comment_id": "6746607",
"author": "CLOVIS FRITZEN",
"timestamp": "2024-04-02T14:09:37",
"content": "Also used in (now) old light bulbshttps://en.wikipedia.org/wiki/Incandescent_light_bulb",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746643",
"a... | 1,760,371,958.009686 | ||
https://hackaday.com/2024/04/02/espressifs-esp32-p4-application-processor-details-begin-to-emerge/ | Espressif’s ESP32-P4 Application Processor: Details Begin To Emerge | Jenny List | [
"News",
"Parts"
] | [
"ESP32-P4",
"espressif",
"RISC-V"
] | Every now and then there’s a part that comes along which is hotly anticipated, but which understandably its manufacturer remains tight-lipped about in order to preserve maximum impact surrounding its launch. Right now that’s Espressif’s ESP32-P4: a powerful application processor with dual-core 400 MHz and a single-core... | 56 | 13 | [
{
"comment_id": "6746558",
"author": "Mike",
"timestamp": "2024-04-02T11:33:34",
"content": "another vid herehttps://www.youtube.com/watch?v=GTHHDZeIzcA",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746640",
"author": "Ewald",
"timestamp": ... | 1,760,371,958.437876 | ||
https://hackaday.com/2024/04/02/photonpower-zero-for-effortless-solar-pi-zero-projects/ | PhotonPower Zero For Effortless Solar Pi Zero Projects | Arya Voronova | [
"Raspberry Pi",
"Solar Hacks"
] | [
"Raspberry Pi Zero",
"solar",
"solar panel",
"solar power"
] | A Pi Zero doesn’t need much to sustain itself, and it’s projects like
the PhotonPower Zero
that remind us of it its low appetite when we need this reminder most. The PhotonPower Zero board lets you power a Pi Zero board from a solar cell, with a LiIon backup, and a microcontroller for power management. Created by [Davi... | 2 | 2 | [
{
"comment_id": "6746679",
"author": "Daniel Dunn",
"timestamp": "2024-04-02T17:58:35",
"content": "I really wish people would do more LTO solar chargers, and add higher max input voltages now that small cheap 12v panels are common. Lithium Ion isn’t really happy about extreme cold, and will only la... | 1,760,371,958.224659 | ||
https://hackaday.com/2024/04/01/a-supercapacitor-from-mushrooms/ | A Supercapacitor From Mushrooms | Jenny List | [
"Science"
] | [
"carbon",
"mushrooms",
"Robert Murray-Smith",
"supercapacitor"
] | The supercapacitor is an extremely promising energy storage technology, and though they have yet to reach parity with the best batteries in terms of energy density, offers considerable promise for a future of safe and affordable energy storage. Perhaps best of all from our point of view, they are surprisingly simple to... | 28 | 10 | [
{
"comment_id": "6746511",
"author": "spaceman",
"timestamp": "2024-04-02T07:16:42",
"content": "Stop promoting this YT, in the early days he’s built DYI ultracaps and tried to market and/or sell them or get investment money. Then he deletes certain videos that could bite him later on.",
"parent... | 1,760,371,960.39492 | ||
https://hackaday.com/2024/04/01/why-is-my-470uf-electrolytic-cap-more-like-20uf/ | Why Is My 470uF Electrolytic Cap More Like 20uF? | Dave Rowntree | [
"Parts"
] | [
"analog discovery",
"capacitor",
"digilent",
"electrolytic capacitor",
"ESR",
"lcr",
"modeling",
"Reactance",
"resonant frequency"
] | The simple capacitor equivalent circuit taught in school
Inductors are more like a resistor in series with an ideal inductor, resistors can be inductors as well, and well, capacitors aren’t just simply a capacitance in a package. Little with electronics is as plain and simple in reality as basic theory would have you b... | 9 | 5 | [
{
"comment_id": "6746489",
"author": "Isaac Wingfield",
"timestamp": "2024-04-02T03:24:40",
"content": "In addition to electrolytic caps having frequency issues, they sometimes don’t develop their rated capacitance at voltages substantially below their rating (i.e. don’t use a 150 volt electrolyt in... | 1,760,371,960.086692 | ||
https://hackaday.com/2024/04/01/fire-up-the-3d-printer-and-build-yourself-a-spiderbot/ | Fire Up The 3D Printer And Build Yourself A Spiderbot | Donald Papp | [
"Robots Hacks"
] | [
"ESP32-CAM",
"hexapod",
"hobby servo",
"spider robot"
] | Robots are cool, so check out
[Atlin Anderson]’s Spiderbot
(video, embedded below) which can be made with 3D printed parts, hobby servos, and ESP32-CAM module for control and a first-person view. Looking for a new project?
All of the design details are shared online
if you’d like to make a hexapod of your own.
We like ... | 12 | 4 | [
{
"comment_id": "6746455",
"author": "brucedesertrat",
"timestamp": "2024-04-01T23:54:51",
"content": "Spiders famously have eight legs. And big anime eyeshttps://m.psecn.photoshelter.com/img-get2/I0000ma2sdRx0v1s/fit=1000×750/022-052.jpg:-)",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,960.143163 | ||
https://hackaday.com/2024/04/01/pinkpad-a-diy-laptop-you-must-print-in-pink/ | Pinkpad, A DIY Laptop You Must Print In Pink | Arya Voronova | [
"laptops hacks"
] | [
"build your own laptop",
"BuildYourOwnLaptop",
"diy laptop",
"DiyLaptop",
"home made laptop"
] | Looking to build a laptop all on your own? Check out
the Pinkpad,
a DIY laptop project that as if appeared out of nowhere, gives you a based on an off-the-shelf Dell motherboard. This build projects an aura of unabashed competence – the website brings you to a different universe, the documentation is as curt as it is e... | 20 | 9 | [
{
"comment_id": "6746412",
"author": "tyler",
"timestamp": "2024-04-01T20:12:42",
"content": "I’ll print a 3dp90 in pink, but I’m not printing a laptop in pink",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746446",
"author": "Arya Voronova",
... | 1,760,371,960.037803 | ||
https://hackaday.com/2024/04/01/satcat5-uart-spi-and-i2c-via-ethernet-with-fpga-based-design/ | SatCat5: UART, SPI And I2C Via Ethernet With FPGA-Based Design | Maya Posch | [
"Microcontrollers",
"Network Hacks"
] | [
"ethernet switch"
] | Arty A7-based prototype of SatCat5 with custom switch I/O board. (Credit: The Aerospace Corporation)
To the average microcontroller, Ethernet networks are quite a step up from the basic I2C, SPI and UART interfaces, requiring either a built-in Ethernet MAC or SPI-based MAC, with tedious translation between Ethernet and... | 15 | 8 | [
{
"comment_id": "6746417",
"author": "Ian",
"timestamp": "2024-04-01T20:30:36",
"content": "It’s not a “mixed media” switch.It’s an Ethernet switch with I2C/UART/etc gateway/encapsulation.It certainly doesn’t switch anything other than Ethernet.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,960.333051 | ||
https://hackaday.com/2024/04/01/how-star-trek-breached-the-defences-of-a-major-broadcaster/ | HowStar TrekBreached The Defences Of A Major Broadcaster | Jenny List | [
"Hackaday Columns",
"Reverse Engineering",
"Slider"
] | [
"season",
"star trek",
"videocrypt"
] | Back in 2020 in the brief lull between COVID lockdowns in the UK, I found myself abruptly on the move, with a very short time indeed to move my possessions into storage. As I was going through the accumulated electronic detritus of over four decades, I happened upon a grey box with some wires hanging out of it, and mor... | 40 | 16 | [
{
"comment_id": "6746362",
"author": "Jim Shortz",
"timestamp": "2024-04-01T17:24:47",
"content": "2000?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746385",
"author": "CityZen",
"timestamp": "2024-04-01T19:01:23",
"content": "I i... | 1,760,371,960.275 | ||
https://hackaday.com/2024/04/01/6502-hacking-hack-chat/ | 6502 Hacking Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, April 3rd at noon Pacific for the
6502 Hacking Hack Chat
with
Anders Nielsen
!
Back in the early days of the personal computing revolution, you could have any chip you wanted…as long as it was 8-bits. We’ve come a long way since then, and while nobody seriously hopes for a wholesale return to the ... | 5 | 4 | [
{
"comment_id": "6746374",
"author": "HaHa",
"timestamp": "2024-04-01T18:13:18",
"content": "My biological garbage collection has failed to clear out 6502 trivia for many decades now…Once that’s cleared out, Netmare 2 has to go. I ritually shot a few drives with Netmare on them. Didn’t help, but I f... | 1,760,371,959.978505 | ||
https://hackaday.com/2024/04/01/oshw-framework-laptop-expansion-hides-dongles/ | OSHW Framework Laptop Expansion Hides Dongles | Tom Nardi | [
"computer hacks",
"Peripherals Hacks"
] | [
"dongle",
"expansion card",
"framework",
"Framework laptop",
"USB hub"
] | If you’ve got a wireless keyboard or mouse, you’ve probably got a receiver dongle of some sort tucked away in one of your machine’s USB ports. While modern technology has allowed manufacturers to shrink them down to the point that they’re barely larger than the USB connector itself, they still stick out enough to occas... | 16 | 4 | [
{
"comment_id": "6746339",
"author": "Greg A",
"timestamp": "2024-04-01T15:39:41",
"content": "this is a neat hack but i would give my kingdom for a bluetooth that’s even slightly usable, instead",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6746340",
"au... | 1,760,371,960.455839 | ||
https://hackaday.com/2024/04/01/wrencher-2-a-bold-new-direction-for-hackaday/ | Wrencher-2: A Bold New Direction For Hackaday | Jenny List | [
"Artificial Intelligence",
"Featured",
"Slider"
] | [
"ai",
"april fools",
"ChatGPT",
"generative AI",
"Wrencher-2"
] | Over the last year it’s fair to say that a chill wind has blown across the face of the media industry, as the prospect emerges that many content creation tasks formerly performed by humans instead being swallowed up by the inexorable rise of generative AI. In a few years we’re told, there may even be no more journalist... | 44 | 25 | [
{
"comment_id": "6746313",
"author": "wm",
"timestamp": "2024-04-01T14:06:42",
"content": "Happy April fool’s day",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6746315",
"author": "ganzuul",
"timestamp": "2024-04-01T14:24:56",
"content": "That esc... | 1,760,371,960.536398 | ||
https://hackaday.com/2024/04/01/flipper-zero-panic-spreads-to-oz-cars-unaffected/ | Flipper Zero Panic Spreads To Oz: Cars Unaffected | Jenny List | [
"News",
"Security Hacks"
] | [
"Australia",
"car theft",
"flipper zero"
] | A feature of coming to adulthood for any young person in the last quarter of the twentieth century would have been the yearly warnings about the danger of adulterated Halloween treats. Stories were breathlessly repeated of apples with razor blades in them, or of chocolate bars laced with rat poison, and though such tal... | 15 | 13 | [
{
"comment_id": "6746298",
"author": "Stappers",
"timestamp": "2024-04-01T12:48:46",
"content": "The date is wrong.Creating awareness for free press not doing / not being able to do fact checking is NOT something for April first.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,960.194051 | ||
https://hackaday.com/2024/04/01/cold-boot-attack-you-can-do-with-a-pi/ | Cold Boot Attack You Can Do With A Pi | Arya Voronova | [
"how-to",
"Raspberry Pi",
"Security Hacks"
] | [
"cold boot",
"raspberry pi",
"Raspberry Pi 4"
] | A cold boot attack is a way to extract RAM contents from a running system by power cycling it and reading out RAM immediately after loading your own OS. How easy is it for you to perform such an attack? As [anfractuosity] shows, you can
perform a cold boot attack with a Raspberry Pi,
with a reasonably simple hardware s... | 2 | 2 | [
{
"comment_id": "6746255",
"author": "Ewald",
"timestamp": "2024-04-01T08:17:35",
"content": "Don’t miss the (free, online) PagedOut magazine with an extensive writeup:https://pagedout.institute/?page=issues.phpit’s in issue 3.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,960.691607 | ||
https://hackaday.com/2024/03/31/3d-printing-computer-space/ | 3D PrintingComputer Space | Jenny List | [
"hardware",
"Retrocomputing"
] | [
"3D printed enclosure",
"arcade cabinet",
"Computer Space"
] | The first computer game available as a commercial arcade cabinet is unsurprisingly, a rare sight here in 2024. Nolan Bushnel and Ted Dabney’s 1971
Computer Space
was a flowing fiberglass cabinet containing a version of the minicomputer game
Spacewar!
running on dedicated game hardware. The pair would of course go on to... | 6 | 6 | [
{
"comment_id": "6746253",
"author": "Jim6502",
"timestamp": "2024-04-01T07:43:50",
"content": "Awesome project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6746256",
"author": "Ewald",
"timestamp": "2024-04-01T08:27:23",
"content": "> Nolan Bus... | 1,760,371,960.65447 | ||
https://hackaday.com/2024/03/31/exploit-the-stressed-out-package-maintainer-exploit-the-software-package/ | Exploit The Stressed-out Package Maintainer, Exploit The Software Package | Donald Papp | [
"Security Hacks",
"Software Development"
] | [
"burnout",
"maintainer",
"open source"
] | A recent security vulnerability — a potential ssh backdoor via the liblzma library in the xz package — is having a lot of analysis done on how the vulnerability was introduced, and [Rob Mensching] felt that it was important to highlight what he saw as step number zero of the whole process:
exploit the fact that a stres... | 10 | 6 | [
{
"comment_id": "6746239",
"author": "Ostracus",
"timestamp": "2024-04-01T03:45:20",
"content": "“Maintaining open source projects can be a high stress activity. The pressure and expectations to continually provide timely interaction, support, and updates can easily end up being unhealthy.”Load dist... | 1,760,371,960.737819 | ||
https://hackaday.com/2024/03/31/hackaday-links-march-31-2024/ | Hackaday Links: March 31, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"antenna",
"canada",
"car",
"cloud",
"flipper zero",
"hackaday links",
"IoT",
"movie",
"radio",
"reverse engineering",
"RF engineering",
"rolling code",
"SFX",
"smd",
"solar",
"solder paste",
"special effects",
"steadicam",
"stencil printing",
"theft"
] | Battlelines are being drawn in Canada over the lowly Flipper Zero, a device seen by some as an existential threat to motor vehicle owners across the Great White North. The story started
a month or so ago
, when someone in the government floated the idea of banning devices that could be “used to steal vehicles by copyin... | 5 | 3 | [
{
"comment_id": "6746217",
"author": "Ostracus",
"timestamp": "2024-03-31T23:08:57",
"content": "Should have called the device, the flipper chip.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746238",
"author": "Standard Eel",
"timestamp": ... | 1,760,371,960.808086 | ||
https://hackaday.com/2024/03/31/give-your-pi-pico-captouch-inputs-for-all-your-music-needs/ | Give Your Pi Pico Captouch Inputs For All Your Music Needs | Arya Voronova | [
"Musical Hacks",
"Raspberry Pi"
] | [
"capacitive touch",
"pi pico",
"raspberry pi 2040",
"Raspberry Pi Pico",
"rp2040"
] | Unlike many modern microcontrollers, RP2040 doesn’t come with a native capacitive touch peripheral. This doesn’t mean you can’t do it – the usual software-driven way works wonderfully, and only requires an external pullup resistor! In case you wanted a demonstration or you have a capacitive touch project in mind, this
... | 11 | 7 | [
{
"comment_id": "6746196",
"author": "Josuah",
"timestamp": "2024-03-31T21:41:27",
"content": "There is no spoon.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6746199",
"author": "Josuah",
"timestamp": "2024-03-31T21:47:14",
"conten... | 1,760,371,960.950108 | ||
https://hackaday.com/2024/03/31/esp-drone-building-an-esp32-based-quadcopter-for-not-much-cash/ | ESP-Drone: Building An ESP32-Based Quadcopter For Not Much Cash | Maya Posch | [
"drone hacks"
] | [
"ESP32",
"quadcopter"
] | What’s the cheapest quadcopter you can build? As
[Circuit Digest] demonstrates with their variant
of the
ESP-Drone project
by Espressif, you only need a minimum of parts: an ESP32 MCU, an inertial measurement unit (IMU) such as the MPU6050, and four MOSFETs to drive the brushless DC motors. As the PCB also forms the st... | 12 | 8 | [
{
"comment_id": "6746166",
"author": "Esp3200",
"timestamp": "2024-03-31T18:11:03",
"content": "Searching esp32 with the filter set for today or this week on yt sends me to a lot of the latest cool videos a lot of times before there posted here. That being said y’all pick out the best ones to featur... | 1,760,371,960.999228 | ||
https://hackaday.com/2024/03/30/smd-soldering-without-the-blobs/ | SMD Soldering, Without The Blobs | Jenny List | [
"Tool Hacks"
] | [
"smd soldering",
"solder",
"soldering"
] | Hand soldering of surface mount components is a bread-and-butter task for anyone working with electronics in 2024. So many devices are simply no longer available in the older through-hole formats, and it’s now normal for even the most homebrew of circuits to use a PCB. But how do you solder your parts? If like us you p... | 23 | 11 | [
{
"comment_id": "6745967",
"author": "LookAtDaShinyShiny",
"timestamp": "2024-03-30T18:14:43",
"content": "Mr. Solderfix is awesome, just really simple videos, full of tips, shows you just how simple soldering is. Flux, heat, timing, feed rate…",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,371,961.288874 | ||
https://hackaday.com/2024/03/30/too-much-over-optimization-is-never-enough/ | Too Much Over-optimization Is Never Enough! | Elliot Williams | [
"Hackaday Columns",
"PCB Hacks",
"Rants",
"Slider"
] | [
"newsletter",
"PCB design",
"resistors"
] | A discussion came up on
the Hackaday Discord PCB design channel
about resistor networks, and it got me thinking about whether we (the hacker community) use them in designs or not. These handy devices often take the shape of an IC, SMD or otherwise, but between the pins are a bunch of resistors instead of active silicon... | 21 | 16 | [
{
"comment_id": "6745914",
"author": "PWalsh",
"timestamp": "2024-03-30T14:32:52",
"content": "And how about assembly costs. Will a single chip versus 8 much smaller chips save time and effort with putting things together?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,371,961.095606 | ||
https://hackaday.com/2024/03/30/how-much-bandwidth-does-cw-really-occupy/ | How Much Bandwidth Does CWReallyOccupy? | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"bandwidth",
"continuous wave",
"cw",
"ham radio",
"modulation",
"morse",
"occupied bandwidth",
"RF"
] | Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the spectrum, operators really should know how much space each emission type occupies. As a result, the budding ham is left knowing that co... | 48 | 16 | [
{
"comment_id": "6745887",
"author": "doris",
"timestamp": "2024-03-30T11:19:36",
"content": "the picture looks like the bloke has a probe biro. i now want a probe biro.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6745944",
"author": "TG",
... | 1,760,371,961.179647 | ||
https://hackaday.com/2024/03/30/a-telegraph-interface-for-the-hacker-hotel-2024-badge/ | A Telegraph Interface For The Hacker Hotel 2024 Badge | Jenny List | [
"cons"
] | [
"badge.team",
"badgelife",
"esp32-C3",
"Hacker Hotel"
] | Hacker Hotel is a small Dutch hacker event that takes place, as its name suggests, in a hotel. It’s a welcome high point in the damp of a north-west-European winter, and attendees come to its setting in the wooded Veluwe region in the centre of the country from far and wide. As is the custom with such events it has an ... | 5 | 4 | [
{
"comment_id": "6745855",
"author": "alialiali",
"timestamp": "2024-03-30T08:47:37",
"content": "These ESP32-C3/6 CH32V003 match up seem increasingly common.I suppose like power up power/efficiency or big.LITTLENice badge, I wonder just how much work it’d be replacing that relay with audio.",
"... | 1,760,371,961.223111 | ||
https://hackaday.com/2024/03/29/video-killed-the-radio-alarm-clock/ | Video Killed The Radio Alarm Clock | Bryan Cockfield | [
"clock hacks"
] | [
"alarm",
"classic",
"clock",
"crt",
"mtv",
"nostalgia",
"raspberry pi",
"television",
"vlc"
] | For decades now, MTV has been on a bizarre trajectory given its original name was an acronym for Music Television. In the original days in the 80s and 90s it kept mostly true to its name, but starting around two decades ago they expanded into reality and other non-musical television programming and have now left it lar... | 4 | 3 | [
{
"comment_id": "6745890",
"author": "Gareth",
"timestamp": "2024-03-30T11:37:34",
"content": "I don’t usually have positive things to say… but this? This I like!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6745935",
"author": "TG",
"timestamp": "20... | 1,760,371,961.347566 | ||
https://hackaday.com/2024/03/29/experiencing-visual-handicaps-and-their-impact-on-daily-life-with-vr/ | Experiencing Visual Deficits And Their Impact On Daily Life, With VR | Donald Papp | [
"Medical Hacks",
"Virtual Reality"
] | [
"eye diseases",
"eye tracking",
"medical simulation",
"research",
"visual impairments",
"vr"
] | Researchers presented an interesting project at the 2024
IEEE Conference on Virtual Reality and 3D User Interfaces
: it uses
VR and eye tracking to simulate visual deficits
such as macular degeneration, diabetic retinopathy, and other visual diseases and impairments.
Typical labels and pill bottles can be shockingly in... | 14 | 3 | [
{
"comment_id": "6745808",
"author": "reg",
"timestamp": "2024-03-30T02:23:26",
"content": "Pill bottles are a pain but usually you take the same stuff every day. The thing that kills me are the cooking directions on many food products. and the ingredient listings. Little fonts and non contrastin... | 1,760,371,961.490029 | ||
https://hackaday.com/2024/03/29/security-alert-potential-ssh-backdoor-via-liblzma/ | Security Alert: Potential SSH Backdoor Via Liblzma | Jonathan Bennett | [
"News",
"Security Hacks"
] | [
"backdoor",
"open source",
"ssh",
"xz"
] | In breaking news that dropped just after our weekly security column went live,
a backdoor has been discovered in the xz package
, that could potentially compromise SSH logins on Linux systems. The most detailed analysis so far seems to be
by [Andres Freund] on the oss-security list
.
The xz release tarballs from 5.6.0 ... | 34 | 7 | [
{
"comment_id": "6745788",
"author": "rasz_pl",
"timestamp": "2024-03-30T00:20:22",
"content": ">It’s unclear what the path forwards is for the xz projectYes, im sure “libsystemd pulls the liblzma library” is blameless",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,961.59444 | ||
https://hackaday.com/2024/03/29/electrospinning-artificial-heart-valves/ | Electrospinning Artificial Heart Valves | Dan Maloney | [
"Misc Hacks"
] | [
"Additive Manufacturing",
"electrospinning",
"heart",
"high voltage",
"polycaprolactone",
"tricuspid",
"valve"
] | When you think about additive manufacturing, thoughts naturally turn to that hot-glue squirting CNC machine sitting on your bench and squeezing whatever plastic doodad you need. But 3D printing isn’t the only way to build polymer structures, as [Riley] shows us with
this fascinating attempt to create electrospun heart ... | 10 | 9 | [
{
"comment_id": "6745741",
"author": "Reginald",
"timestamp": "2024-03-29T21:14:50",
"content": "Try adding a draft angle to help with releasing the mould.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6745744",
"author": "HaHa",
"timestamp": "2024-03... | 1,760,371,961.394524 | ||
https://hackaday.com/2024/03/29/retrotechtacular-the-ibm-7070/ | Retrotechtacular: The IBM 7070 | Al Williams | [
"Retrocomputing",
"Retrotechtacular"
] | [
"ibm",
"ibm 7070",
"mainframe"
] | If you think of IBM mainframe computers, you most likely are thinking of the iconic S/360 or the slightly newer S/370. But what about the 7070 from 1958? It had transistors! It didn’t, however, use binary. Instead, it was a decimal-architecture machine. You can see
a lost video
of the machine below.
It was originally s... | 10 | 8 | [
{
"comment_id": "6745757",
"author": "k-ww",
"timestamp": "2024-03-29T22:00:12",
"content": "I used to buy those paddle boards [minus the gold connectors] on canal street [NYC] back in the early 60’s.They were a treasure trove of parts.I would after stripping all the parts, countersink the pads on t... | 1,760,371,961.686643 | ||
https://hackaday.com/2024/03/29/hackaday-podcast-episode-264-cheap-minimills-65-in-1-electronics-and-time-on-moon/ | Hackaday Podcast Episode 264: Cheap Minimills, 65-in-1 Electronics, And Time On Moon | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | It was Dan’s turn behind the mic with Elliot this time as we uncovered the latest from the world of hacking, and what an eclectic mix it was. It was slightly heavy on machining, with a look at mini-mills that are better than nothing, and a DIY DRO that’s A-OK. We also kicked the nostalgia bucket over — whatever that me... | 5 | 2 | [
{
"comment_id": "6745692",
"author": "Dude",
"timestamp": "2024-03-29T17:18:41",
"content": "One “un”-intended advantage of how color TV was engineered back in the day: when the reception goes down, you’ll still be able to make out the B&W signal even if the color carrier is messed up. The signal wo... | 1,760,371,961.64069 | ||
https://hackaday.com/2024/03/29/the-most-annoying-thing-on-the-internet-isnt-really-necessary/ | The Most Annoying Thing On The Internet Isn’t Really Necessary | Jenny List | [
"internet hacks"
] | [
"browser",
"cookie",
"privacy"
] | We’re sure you’ll agree that there are many annoying things on the Web. Which of them we rate as
most
annoying depends on personal view, but we’re guessing that quite a few of you will join us in naming the ubiquitous cookie pop-up at the top of the list. It’s the pesky EU demanding consent for tracking cookies, we’re ... | 31 | 12 | [
{
"comment_id": "6745666",
"author": "Lukilukeskywalker",
"timestamp": "2024-03-29T15:36:38",
"content": "Mitxela has a great rant about the cookie problem:https://mitxela.com/rants(on the bottom)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6745667",
"a... | 1,760,371,962.017471 | ||
https://hackaday.com/2024/03/29/this-week-in-security-peering-through-the-wall-apples-gofetch-and-sha-256/ | This Week In Security: Peering Through The Wall, Apple’s GoFetch, And SHA-256 | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"apple",
"sha-256",
"This Week in Security",
"wall"
] | The Linux command
wall
is a hold-over from the way Unix machines used to be used. It’s an abbreviation of Write to ALL, and it was first included in AT&T Unix, way back in 1975.
wall
is a tool that a sysadmin can use to send a message to the terminal session of all logged-in users. So far nothing too exciting from a se... | 1 | 1 | [
{
"comment_id": "6748279",
"author": "Zom-B",
"timestamp": "2024-04-07T20:18:07",
"content": "‘wall’ was a command that let us kill time during Unix class.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,961.739235 | ||
https://hackaday.com/2024/03/29/art-exhibit-lets-you-hide-from-self-driving-cars/ | Art Exhibit Lets You Hide From Self-Driving Cars | Maya Posch | [
"car hacks"
] | [
"autonomous vehicle",
"machine vision",
"self-driving cars"
] | In the discussions about how dangerous self-driving cars are – or aren’t – one thing is sorely missing, and that is an interactive game in which you do your best to not be recognized as a pedestrian and subsequently get run over. Even if this is a somewhat questionable take, there’s something to be said for the interac... | 16 | 5 | [
{
"comment_id": "6745651",
"author": "Reluctant Cannibal",
"timestamp": "2024-03-29T14:29:08",
"content": "I’m already busy designing anIntelligent Traffic Conethat uses Ai to cause mischief for autonomous vehicles and other street fairing Ai devices. Most of the time it will be stationary on the si... | 1,760,371,961.884819 | ||
https://hackaday.com/2024/03/29/lora-with-no-radio/ | LoRA, With No Radio | Jenny List | [
"Radio Hacks"
] | [
"CH32V003",
"ESP32",
"LoRa"
] | A LoRa project has traditionally required a dedicated radio module, because it’s a commercially licenced protocol. But as the way it works has been progressively reverse engineered, it’s become ever more possible to produce a LoRA radio for yourself. But what about a LoRA radio without a radio at all?
[CNLohr] has mana... | 30 | 10 | [
{
"comment_id": "6745562",
"author": "Ruhan",
"timestamp": "2024-03-29T08:11:13",
"content": "Very interesting to see how LoRA works, fundamentally. This tech is way ahead of its time, even if the transmit signal is weak, dirty, messages still pulls through.",
"parent_id": null,
"depth": 1,
... | 1,760,371,962.219031 | ||
https://hackaday.com/2024/03/28/the-intel-8088-and-8086-processors-instruction-prefetch-circuitry/ | The Intel 8088 And 8086 Processor’s Instruction Prefetch Circuitry | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"Intel 8086",
"intel 8088",
"prefetching"
] | The 8088 die under a microscope, with main functional blocks labeled. This photo shows the chip’s single metal layer; the polysilicon and silicon are underneath. (Credit: Ken Shirriff)
Cache prefetching is what allows processors to have data and/or instructions ready for use in a fast local cache rather than having to ... | 15 | 5 | [
{
"comment_id": "6745573",
"author": "Julian Skidmore",
"timestamp": "2024-03-29T08:57:56",
"content": "Ken’s articles on chip analysis are really brilliant and the 8086 was certainly an interesting and obviously very successful CPU design. However.. it’s a bit of a stretch to say that cache memory ... | 1,760,371,961.944809 | ||
https://hackaday.com/2024/03/28/is-your-mental-model-of-bash-pipelines-wrong/ | Is Your Mental Model Of Bash Pipelines Wrong? | Donald Papp | [
"Linux Hacks",
"Software Development"
] | [
"bash",
"execution time",
"pipeline",
"zig"
] | [Michael Lynch] encountered a strange situation.
Why was compiling then running his program nearly 10x
faster
than just running the program by itself?
[Michael] ran into this issue while benchmarking a programming project, pared it down to its essentials for repeatability and analysis, and discovered it highlighted an ... | 11 | 6 | [
{
"comment_id": "6745507",
"author": "Bobtato",
"timestamp": "2024-03-29T02:39:04",
"content": "To me it seems obvious that bash starts everything concurrently – how else could pagers work? – but the general point stands. I’m often reminded how little I know about the details of supposedly basic thi... | 1,760,371,962.266142 | ||
https://hackaday.com/2024/03/28/saving-a-clock-radio-with-an-lm8562/ | Saving A Clock Radio With An LM8562 | Bryan Cockfield | [
"clock hacks"
] | [
"7-segment display",
"alarm clock",
"clock",
"clock radio",
"ESP8266",
"multiplexing",
"ntp",
"time"
] | Smart phones have taken the place of a lot of different devices especially as they get more and more powerful. GPS, music and video player, email, and of course a phone are all functions tied up in these general-purpose devices. Another casualty of the smart phone revolution is the humble bedside alarm clock as its rad... | 10 | 7 | [
{
"comment_id": "6745439",
"author": "dudefromthenorth",
"timestamp": "2024-03-28T23:03:38",
"content": "I’d have thought a clock of that age was using a mains frequency counter to keep time. They shouldn’t wander.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,371,962.150262 | ||
https://hackaday.com/2024/03/28/exploring-the-sega-saturns-wacky-architecture/ | Exploring The Sega Saturn’s Wacky Architecture | Maya Posch | [
"Games"
] | [
"console",
"sega",
"Sega Saturn"
] | Sega Saturn mainboard with main components labelled. More RAM is found on the bottom, as well. (Credit: Rodrigo Copetti)
In the annals of game console history, the Sega Saturn is probably the most convoluted system of all time, even giving the Playstation 3 a run for its rings. Also known as the system on which Sega be... | 44 | 6 | [
{
"comment_id": "6745364",
"author": "Clovis Fritzen",
"timestamp": "2024-03-28T20:06:01",
"content": "What would an engineer (and a budget manager) be thinking when overengineering a system? I mean, everything has an explanation, but two video processors and two CPUs?",
"parent_id": null,
"... | 1,760,371,962.413131 | ||
https://hackaday.com/2024/03/28/retrogadgets-butler-in-a-box/ | Retrogadgets: Butler In A Box | Al Williams | [
"home hacks"
] | [
"history",
"home automation",
"voice control"
] | You walk into your house and issue a voice command to bring up the lights and start a cup of coffee. No big deal, right? Siri, Google, and Alexa can do all that. Did we mention it is 1985? And, apparently, you were one of the people who put out about $1,500 for a Mastervoice “
Butler in a Box
,” the subject of a Popula... | 12 | 10 | [
{
"comment_id": "6745389",
"author": "hfgdfs",
"timestamp": "2024-03-28T21:07:23",
"content": "This is interesting, but the extremely overdramatic, angry-at-everything presentation style (and zooming in for extra effect) is really offputting.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,962.320012 | ||
https://hackaday.com/2024/03/28/homebrew-gpu-tackles-quake/ | Homebrew GPU TacklesQuake | Julian Scheffers | [
"computer hacks",
"FPGA"
] | [
"fpga",
"gpu",
"PCIe"
] | Have you ever wondered how a GPU works? Even better, have you ever wanted to make one? [Dylan] certainly did, because he made
FuryGPU
— a fully custom graphics card capable of playing
Quake
at over 30 frames per second.
As you might have guessed, FuryGPU isn’t in the same league as modern graphics card — those are made... | 21 | 6 | [
{
"comment_id": "6745336",
"author": "Ostracus",
"timestamp": "2024-03-28T18:50:24",
"content": "Next up try PowerVR.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6745344",
"author": "M",
"timestamp": "2024-03-28T19:02:32",
"content... | 1,760,371,962.659404 | ||
https://hackaday.com/2024/03/28/tech-support-can-ai-be-worse/ | Tech Support… Can AI Be Worse? | Al Williams | [
"Artificial Intelligence",
"Featured",
"Rants",
"Slider"
] | [
"ai",
"ChatGPT",
"tech support"
] | You can’t read the news today without another pundit excitedly reporting how AI is going to take every job you can imagine. Of course, AI will change the employment landscape. It will take some jobs and reduce the need for others. What about tech support? Is it possible that an AI might be able to help people with tech... | 56 | 25 | [
{
"comment_id": "6745309",
"author": "Kevin",
"timestamp": "2024-03-28T17:13:37",
"content": "Oh my god, you just described my entire career. I spent most of it trying to avoid calling tech support, because I was going to talk to someone who knew far less about their systems than I did. Their entir... | 1,760,371,962.522231 | ||
https://hackaday.com/2024/03/31/drop-in-switch-mode-regulators/ | Drop-In Switch Mode Regulators | Bryan Cockfield | [
"Parts"
] | [
"1541",
"commodore",
"linear regulator",
"linear voltage regulator",
"smps",
"switch mode power supply",
"to-3",
"voltage regulator"
] | Perhaps the simplest way to regulate a DC voltage is using a voltage divider and/or an active device like a Zener diode. Besides simplicity, they have the additional advantage of not being particularly noisy, but with a major caveat: they are terribly inefficient. To solve this problem a switching regulator can be used... | 30 | 7 | [
{
"comment_id": "6746125",
"author": "Hannahranga",
"timestamp": "2024-03-31T14:13:10",
"content": "> Since the ripple voltages are so small, there is an RF connector (MMCX) on the PCB, which serves as a test point for V OUT . This would allow you to measure the voltage very precisely without extern... | 1,760,371,962.596108 | ||
https://hackaday.com/2024/03/31/modular-vacuum-table-custom-fits-the-parts/ | Modular Vacuum Table Custom-Fits The Parts | Donald Papp | [
"cnc hacks",
"Tool Hacks"
] | [
"jig",
"vacuum table",
"workshop"
] | [enhydra] needed to modify a bunch of side inserts from some cheap ABS enclosures, and to save time and effort, he created
a simple vacuum table with swappable inserts
to precisely fit the parts. Suction is provided by a shop vacuum (plugged in near the bottom in the photo above) and it worked very well! Sealing and ga... | 3 | 3 | [
{
"comment_id": "6746120",
"author": "Ewald",
"timestamp": "2024-03-31T13:40:15",
"content": "…and interestingly, it’s all designed in Kiri:Motohttps://grid.space/kiri/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6746244",
"author": ".",
"timestamp"... | 1,760,371,962.698186 | ||
https://hackaday.com/2024/03/31/a-threat-level-monitor-for-everyone/ | A Threat Level Monitor For Everyone | Jenny List | [
"Raspberry Pi"
] | [
"e-paper",
"pi zero",
"threat level"
] | A TV news pundit might on any given evening in 2024 look at the viewers and gravely announce that we are living in uncertain times. Those of us who’ve been around for a bit longer than we’d like to admit would see that, scratch our heads, and ask “Have we ever
not
lived in uncertain times?” If all this uncertainty is g... | 25 | 10 | [
{
"comment_id": "6746089",
"author": "Reluctant Cannibal",
"timestamp": "2024-03-31T09:12:51",
"content": "I could do with one of these for rabbits eating my fruit trees in myDEAD RAT CIDERorchard. I’m guessing it would need some kind of roving dog bot to patrol the site and infer the threat level t... | 1,760,371,962.761965 | ||
https://hackaday.com/2024/03/30/playing-chess-against-your-printer-with-postscript/ | Playing Chess Against Your Printer, With PostScript | Donald Papp | [
"Software Hacks"
] | [
"chess",
"ghostscript",
"postscript",
"printer"
] | Can you play chess against your printer? The answer will soon be yes, and it’s thanks to [Nicolas Seriot]’s
PSChess
. It’s a chess engine implemented in PostScript, of all things. It’s entirely working except for one last hurdle, but more on that in a moment.
What’s it like to play PSChess? Currently, one uses a PostSc... | 11 | 6 | [
{
"comment_id": "6746097",
"author": "cliff claven",
"timestamp": "2024-03-31T10:21:29",
"content": "Back in the 1980’s, when postscript was fresh and shiny, and I was in uni, we had a supercomputer on campus, as well as a mainframe in the computing center, and PC’s galore. Then we got a new postscr... | 1,760,371,962.906862 | ||
https://hackaday.com/2024/03/30/using-electroadhesion-to-reversibly-adhere-metals-and-graphite-to-hydrogels-and-tissues/ | Using Electroadhesion To Reversibly Adhere Metals And Graphite To Hydrogels And Tissues | Maya Posch | [
"Science"
] | [
"electroadhesion",
"hydrogel"
] | The usual way to get biological tissues and materials like gels and metals to stick together is using sutures, adhesives or both. Although this generally works, it’s far from ideal, with adhesives forming a barrier layer between tissues and the hard or impossible to undo nature of these methods. A viable alternative mi... | 6 | 5 | [
{
"comment_id": "6746102",
"author": "Shannon",
"timestamp": "2024-03-31T11:20:03",
"content": "Well that is very interesting. I wonder if something could be reversibly adhered to skin.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6746122",
"author": "Os... | 1,760,371,962.858291 | ||
https://hackaday.com/2024/03/30/a-single-transistor-solid-state-tesla-coil/ | A Single Transistor Solid State Tesla Coil | Dave Rowntree | [
"hardware"
] | [
"Solid State Tesla Coil",
"tesla coil"
] | Tesla coils are one of those builds that capture the interest of almost anybody passing by. For the naïve constructor, they look simple enough, but they can be finicky beasts—beasts that can bite if not treated with respect. [Mirko Pavleski] has some experience with them and
shares it with us over on Hackaday.io
. One ... | 10 | 5 | [
{
"comment_id": "6746032",
"author": "Major Armstrong",
"timestamp": "2024-03-31T00:23:24",
"content": "Is 1.7 MHz an ISM frequency? I don’t think so.Try for one of the many ISM frequencies to make this legit.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,962.818423 | ||
https://hackaday.com/2024/03/30/a-practical-guide-to-understanding-how-radios-work/ | A Practical Guide To Understanding How Radios Work | Ryan Flowers | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"dipole",
"radio",
"radio theory"
] | How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or communicate with. We’re talking about the
multiple
radios and antennas in your phone, your TV, your car, your garage door opener, every computing device you own- you get the idea. It’s doubtful that you can accurately count them even in your ... | 9 | 6 | [
{
"comment_id": "6746017",
"author": "Joshua",
"timestamp": "2024-03-30T22:53:09",
"content": "1/4 wave dipole. YMMD. 😃👍",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6746081",
"author": "Donjh",
"timestamp": "2024-03-31T07:52:02",
"content": "T... | 1,760,371,963.101394 | ||
https://hackaday.com/2024/03/28/a-stirling-engine-from-minimal-parts/ | A Stirling Engine From Minimal Parts | Jenny List | [
"classic hacks"
] | [
"heat engine",
"junkbox parts",
"stirling engine"
] | The model Stirling engine is a staple of novelty catalogues, and we daresay that were it not for their high price there might be more than one Hackaday reader or writer who might own one. All is not lost though, because [jirka.luftner] has posted one on Instructables
which eschews the fancy machined brass of the commer... | 5 | 2 | [
{
"comment_id": "6745298",
"author": "Dude",
"timestamp": "2024-03-28T16:12:26",
"content": "This type of a stirling engine doesn’t really have a place to put the regenerator. You might integrate it into the displacer by adding small channels, but I’m not sure if it would work properly.",
"paren... | 1,760,371,963.017076 | ||
https://hackaday.com/2024/03/28/computers-of-fiction-colossus-and-guardian/ | Fictional Computers: Colossus And Guardian | Al Williams | [
"Artificial Intelligence",
"Hackaday Columns",
"Misc Hacks",
"Slider"
] | [
"computers",
"movies"
] | We can learn a lot by looking at how writers and filmmakers imagine technology. While some are closer than others, there are some definite lessons like never make a killer computer without an off switch you can reach. We are especially interested in how computers appear in books, movies, and TV shows, and so in Compute... | 27 | 17 | [
{
"comment_id": "6745251",
"author": "Kurt",
"timestamp": "2024-03-28T14:16:50",
"content": "One of my favorite movies. “The Andromeda Strain” and “Dr. Strangelove” are up there, too.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6745616",
"author":... | 1,760,371,963.575144 | ||
https://hackaday.com/2024/03/28/hybrid-binaries-on-windows-for-arm-arm64ec-and-arm64x-explained/ | Hybrid Binaries On Windows For ARM: ARM64EC And ARM64X Explained | Maya Posch | [
"Software Development"
] | [
"arm64ec",
"arm64x",
"Microsoft Windows"
] | With ARM processors increasingly becoming part of the desktop ecosystem, porting code that was written for x86_64 platforms is both necessary and a massive undertaking. For many codebases a simple recompile may be all it takes, but where this is not straightforward Microsoft’s ARM64EC (for ‘Emulator Compatible’) Applic... | 45 | 5 | [
{
"comment_id": "6745194",
"author": "lamalas",
"timestamp": "2024-03-28T11:20:08",
"content": ">Windows 11’s marketshare is still rather smallDon’t worry that will soon change. M$ deprecating Win10 will force many companies to switch to Windows 11. And with intel 12gen or later CPUs Win10 is not a ... | 1,760,371,963.428358 | ||
https://hackaday.com/2024/03/28/automation-makes-traditional-japanese-wood-finishing-easier/ | Automation Makes Traditional Japanese Wood Finishing Easier | Dan Maloney | [
"home hacks"
] | [
"fence",
"propane",
"wood",
"wood finish",
"woodburning",
"Yakisugi"
] | Unless you move in architectural circles, you might never have heard of Yakisugi
.
But as a fence builder, [Lucas] over at Cranktown City sure has, with high-end clients requesting the traditional Japanese wood-finishing method, which requires the outer surface of the wood to be lightly charred. It’s a fantastic look, ... | 21 | 6 | [
{
"comment_id": "6745177",
"author": "Kenny",
"timestamp": "2024-03-28T08:55:07",
"content": "The way we do dimensional lumber is very surprising: we take the dimensions in millimeters. There are no other steps.2×8 only measures 1.5″ by 7.25″, so that’s 38×184. Our standard sizes differ of course, b... | 1,760,371,963.343567 | ||
https://hackaday.com/2024/03/27/webserver-runs-on-android-phone/ | Webserver Runs On Android Phone | Bryan Cockfield | [
"Software Hacks"
] | [
"android",
"apache",
"linux",
"phone",
"server",
"smartphone",
"ssh",
"Termux",
"webserver"
] | Android, the popular mobile phone OS, is essentially just Linux with a nice user interface layer covering it all up. In theory, it should be able to do anything a normal computer running Linux could do. And, since most web servers in the world are running Linux, [PelleMannen] figured his Android phone could run a web s... | 37 | 17 | [
{
"comment_id": "6745165",
"author": "Thorsten",
"timestamp": "2024-03-28T05:55:04",
"content": "Why not? Any smartphone outperforms some vCPU single core systems. Having a stable public IP and enough Network Traffic budget is more an issue if a real mobile connection is used.For me the page worked ... | 1,760,371,963.653754 | ||
https://hackaday.com/2024/03/27/retrotechtacular-tops-runs-the-1970s-british-railroad/ | Retrotechtacular: TOPS Runs The 1970s British Railroad | Al Williams | [
"Retrocomputing",
"Retrotechtacular",
"Slider"
] | [
"british rail",
"mainframe",
"tops"
] | How do you make the trains run on time? British Rail adopted TOPS, a computer system born of IBM’s SAGE defense project, along with work from Standford and Southern Pacific Railroad. Before TOPS, running the railroad took paper. Lots of paper, ranging from a train’s history, assignments, and all the other bits of data ... | 30 | 13 | [
{
"comment_id": "6745152",
"author": "Andrew",
"timestamp": "2024-03-28T03:01:33",
"content": "Ah, yes, the well-known British Railroad.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6745154",
"author": "wrzwicky",
"timestamp": "2024-03-28T0... | 1,760,371,963.506212 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.