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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2024/07/14/a-64-bit-x86-bootloader-from-scratch/ | A 64-bit X86 Bootloader From Scratch | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"bootloader",
"protected mode",
"x86"
] | For most people, you turn on your computer, and it starts the operating system. However, the reality is much more complex as [Thasso] discovered. Even modern x86 chips start in 16-bit real mode and there is a bit of fancy footwork required to shift to modern protected mode with full 64-bit support. Want to see how? [Th... | 20 | 8 | [
{
"comment_id": "6776019",
"author": "Jim",
"timestamp": "2024-07-15T07:13:55",
"content": "16-bit real mode is base code at the hardware level, hence why it’s still used for the absolute lowest level functions like booting. 32-bit and 64-bit code is ran in protected states meaning less access to re... | 1,760,371,856.381926 | ||
https://hackaday.com/2024/07/14/using-forward-and-reverse-osmosis-to-let-astronaut-eva-suits-produce-fresh-water-from-urine/ | Using Forward- And Reverse-Osmosis To Let Astronaut EVA Suits Produce Fresh Water From Urine | Maya Posch | [
"Space"
] | [
"EVA",
"life support",
"urine"
] | An uncomfortable reality with the spacesuits used for extravehicular activities (EVA) – commonly referred to as spacewalks – is that the astronaut spends hours in them, during which normal bodily functions like urinating and defecating continue. The current EVA record at the ISS is currently a hair under nine hours, ne... | 34 | 18 | [
{
"comment_id": "6775994",
"author": "reg",
"timestamp": "2024-07-15T02:58:36",
"content": "At first it looks like a lot of pieces but I suspect the same motor could run all 3 pumps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6776002",
"author": "Jeff"... | 1,760,371,856.454355 | ||
https://hackaday.com/2024/07/14/hackaday-links-july-14-2024/ | Hackaday Links: July 14, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"am radio",
"amazon",
"Astro",
"brick",
"ConEx",
"driver assistance",
"drone",
"drone show",
"ev",
"fireworks",
"hackaday links",
"jamming",
"legislation",
"robot",
"shipping container"
] | We’ve been going on at length in this space about the death spiral that AM radio seems to be in, particularly in the automotive setting. Car makers have begun the process of phasing AM out of their infotainment systems, ostensibly due to its essential incompatibility with the electronics in newer vehicles, especially E... | 11 | 4 | [
{
"comment_id": "6775957",
"author": "eedge",
"timestamp": "2024-07-14T23:23:40",
"content": "“We’ve always been a bit of a shipping container freak, and we’ve long known…” is this a pronoun confusion or the royal we in the sentence. I’m bit confused…",
"parent_id": null,
"depth": 1,
"re... | 1,760,371,855.697305 | ||
https://hackaday.com/2024/07/14/five-ways-to-repair-broken-pcb-traces/ | Five Ways To Repair Broken PCB Traces | Al Williams | [
"PCB Hacks",
"Repair Hacks"
] | [
"pcb",
"Printed Circuit Board"
] | When everything used wires, it was easy to splice them or replace them. Not so much with PC boards, but everyone has their favorite method for repairing a broken trace. [Mr. SolderFix] has
his five favorite ways
, as you can see in the video below.
Of course, before you can repair a trace, you probably have to expose i... | 23 | 11 | [
{
"comment_id": "6775928",
"author": "fonz",
"timestamp": "2024-07-14T20:20:12",
"content": "by far the easiest is enameled wire of the type that, as long you start at the end, can strip using solder",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775935",
... | 1,760,371,856.321632 | ||
https://hackaday.com/2024/07/14/undo-arduino-encryption-with-an-oscilloscope/ | Undo Arduino Encryption With An Oscilloscope | Elliot Williams | [
"Arduino Hacks",
"Security Hacks"
] | [
"arduino",
"crypto",
"cryptography",
"power analysis",
"rsa"
] | Cryptography ain’t easy. Seemingly small details like how many times a computationally intensive loop runs can give the game away. [Lord Feistel]
gives us a demo of how this could work with nothing more than poorly designed code, a resistor, and an oscilloscope
.
The hardware side is, as mentioned, really simple. Put a... | 16 | 5 | [
{
"comment_id": "6775887",
"author": "Julianne",
"timestamp": "2024-07-14T17:37:42",
"content": "I suppose with Arduino encryption broken, soon we’ll finally be able to run custom code on them! :o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775931",
... | 1,760,371,855.924216 | ||
https://hackaday.com/2024/07/14/wrap-your-keyboard-with-a-vacuum-former/ | Wrap Your Keyboard With A Vacuum Former | Jenny List | [
"Retrocomputing"
] | [
"keycaps",
"vacuum former",
"vinyl wrap"
] | Coloured keycaps are a common customisation when it comes to making your input device special. If you are working with modern tech it’s easy, there are plenty of vendors who can sell you keycaps for any purpose. With retro tech it’s never so simple, if a keycap hasn’t been made for decades you’re out of luck. This does... | 4 | 4 | [
{
"comment_id": "6775848",
"author": "paulvdh",
"timestamp": "2024-07-14T15:18:00",
"content": "Vacuum forming is indeed quite cool (pun intended :) ) I’ve seen some commercial kits for small scale vacuum forming and they are remarkably expensive for no apparent reason at all. You still have to add ... | 1,760,371,855.871592 | ||
https://hackaday.com/2024/07/14/ask-hackaday-has-firefox-finally-gone-too-far/ | Ask Hackaday: Has Firefox Finally Gone Too Far? | Jenny List | [
"internet hacks",
"Software Hacks"
] | [
"firefox",
"privacy",
"web browser"
] | In a world where so much of our lives depend on the use of online services, the web browser used to access those services becomes of crucial importance. It becomes a question of whether we trust the huge corporate interests which control this software with such access to our daily lives, and it is vital that the browse... | 119 | 37 | [
{
"comment_id": "6775775",
"author": "The Mighty Buzzard",
"timestamp": "2024-07-14T11:17:39",
"content": "Firefox has been a bad joke on its formerly awesome self for a very long time now. They may not have entirely sold their souls to Google back in the early 2000s and just be boiling us frogs slo... | 1,760,371,856.155866 | ||
https://hackaday.com/2024/07/14/the-mysterious-roman-dodecahedron-was-possibly-just-for-knitting/ | The Mysterious Roman Dodecahedron Was Possibly Just For Knitting | Maya Posch | [
"History"
] | [
"dodecahedron",
"knitting"
] | Over the years archaeological digs of Roman sites have uncovered many of these strange dodecahedrons, usually made out of metal and with various holes in their faces. With no surviving records that describe how they were used, speculation has ranged from jewelry to a knitting aid. In a
2023 video
by [Amy Gaines] it is ... | 40 | 12 | [
{
"comment_id": "6775753",
"author": "Glen Searle",
"timestamp": "2024-07-14T09:22:31",
"content": "Not all dodecahedrons have holes. They also predate the widespread spinning of wool by over a thousand years. My guess is that as they have twelve sides which are all a little different, it had some f... | 1,760,371,855.827801 | ||
https://hackaday.com/2024/07/13/print-wave-metal-casting/ | Print Wave Metal Casting | Navarre Bartz | [
"Tool Hacks"
] | [
"3d printed",
"brass",
"casting",
"metal",
"metal casting",
"microwave",
"microwave casting",
"mold",
"plaster of paris"
] | Direct 3D printing of metal remains out of reach for the hobbyist at the moment, so casting is often the next best thing, particularly given the limitations of 3D printed metals. [Denny] from
Shake the Future
shows us how to simplify the process with “
print wave metal casting
.”
The first step of printing a PLA object... | 4 | 3 | [
{
"comment_id": "6775743",
"author": "Ewald",
"timestamp": "2024-07-14T08:05:09",
"content": "Great process and great video, this really invites to try it yourself,",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775749",
"author": "shinsukke",
"timest... | 1,760,371,855.744771 | ||
https://hackaday.com/2024/07/13/c-design-patterns-for-low-latency-applications/ | C++ Design Patterns For Low-Latency Applications | Maya Posch | [
"Software Development"
] | [
"c++",
"code optimization"
] | With performance optimizations seemingly having lost their relevance in an era of ever-increasing hardware performance, there are still many good reasons to spend some time optimizing code. In a
recent preprint article
by [Paul Bilokon] and [Burak Gunduz] of the Imperial College London the focus is specifically on low-... | 41 | 11 | [
{
"comment_id": "6775719",
"author": "Bobtato",
"timestamp": "2024-07-14T02:49:53",
"content": "Moore’s law may not have run out quite yet, but it’s slowing down, while software bloat isn’t, so I think software performance is going to become a much hotter topic.I mean, it always was at a very low le... | 1,760,371,856.001683 | ||
https://hackaday.com/2024/07/13/axial-3d-printer-aces-test-aboard-virgin-spaceplane/ | Axial 3D Printer Aces Test Aboard Virgin Spaceplane | Tom Nardi | [
"3d Printer hacks",
"Space"
] | [
"lithography",
"Virgin Galactic",
"zero-gravity"
] | Here on Earth, being able to 3D print replacement parts is handy, but rarely necessary. If you’ve got a broken o-ring, printing one out is just saving you a trip to the hardware store. But on the Moon, Mars, or in deep space, that broken component could be the difference between life and death. In such an environment, ... | 32 | 9 | [
{
"comment_id": "6775686",
"author": "Dude",
"timestamp": "2024-07-13T23:44:42",
"content": ">a highly viscous resin within a rotating cylinder.>sub-orbital spacecraft (…) are capable of hosting real scientific researchRight, but what then was the point of doing it in zero gravity? If the resin is l... | 1,760,371,856.523802 | ||
https://hackaday.com/2024/07/13/docker-powered-remote-gaming-with-games-on-whales/ | Docker-Powered Remote Gaming With Games On Whales | Bryan Cockfield | [
"Games",
"Software Development"
] | [
"docker",
"gaming",
"linux",
"server",
"software",
"streaming",
"virtualization"
] | Cloud gaming services allow even relatively meager devices like set top boxes and cheap Chromebooks play the latest and greatest titles. It’s not perfect of course — latency is the number one issue as the player’s controller inputs need to be sent out to the server — but if you’ve got a fast enough connection it’s bet... | 15 | 4 | [
{
"comment_id": "6775654",
"author": "Misterlaneous",
"timestamp": "2024-07-13T21:06:00",
"content": "I’ve migrated my docker server over to podman because it is far more secure. Instead of each container running as root, each container runs as a user with just enough permissions to run the containe... | 1,760,371,856.638907 | ||
https://hackaday.com/2024/07/13/the-nsa-is-defeated-by-a-1950s-tape-recorder-can-you-help-them/ | The NSA Is Defeated By A 1950s Tape Recorder. Can You Help Them? | Jenny List | [
"History"
] | [
"ampex",
"grace hopper",
"nsa",
"video tape"
] | One of the towering figures in the evolution of computer science was Grace Hopper, an American mathematician, academic, and Naval reservist, whose work gave us the first programming languages, compilers, and much more. Sadly she passed away in 1992, so her wisdom hasn’t directly informed the Internet Age in the manner ... | 59 | 27 | [
{
"comment_id": "6775610",
"author": "midori",
"timestamp": "2024-07-13T17:11:11",
"content": "The NSA should give NASA a call.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775644",
"author": "Gunplumber",
"timestamp": "2024-07-13T20:30:59... | 1,760,371,856.737429 | ||
https://hackaday.com/2024/07/13/its-not-unsual-to-love-hacking/ | It’s Not Unusual To Love Hacking | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"newsletter",
"sharing hacks"
] | Most of what we do here at Hackaday is look out for cool projects and then write them up so that you all know about them. Nothing is better than being really stoked about a clever hack and then being able to share it with tens of thousands of like-minded folks. Sure, it’s our job, but we really do it because we love to... | 22 | 10 | [
{
"comment_id": "6775583",
"author": "Aaron Christophel",
"timestamp": "2024-07-13T14:09:41",
"content": "UNSUAL?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775584",
"author": "Aaron Christophel",
"timestamp": "2024-07-13T14:13:35",
... | 1,760,371,856.80209 | ||
https://hackaday.com/2024/07/13/particle-physics-on-a-small-affordable-pcb/ | Particle Physics On A Small, Affordable PCB | Bryan Cockfield | [
"Science"
] | [
"amplifier",
"beta particles",
"beta radiation",
"particle detector",
"photodiode",
"rp2040",
"semiconductor"
] | Experimenting in the world of particle physics probably brings to mind large, expensive pieces of equipment like particle accelerators, or at least exotic elements or isotopes that most of us can’t easily find. But plenty of common objects emit various particles, and it turns out that detecting these particles does not... | 7 | 5 | [
{
"comment_id": "6775568",
"author": "Ostracus",
"timestamp": "2024-07-13T12:34:36",
"content": "“Experimenting in the world of particle physics probably brings to mind large, expensive pieces of equipment like particle accelerators, or at least exotic elements or isotopes that most of us can’t easi... | 1,760,371,856.576267 | ||
https://hackaday.com/2024/07/13/rulers-of-the-ancient-world-literally/ | Rulers Of The Ancient World — Literally! | Al Williams | [
"History"
] | [
"ancient technology",
"measurement",
"ruler"
] | If you were expecting a post about ancient kings and queens, you are probably at the wrong website. [Burn Heart] has a fascination with
ancient measuring devices
and set out to recreate period-correct rules, although using decidedly modern techniques.
The first example is a French rule for measuring the “pied du Roi” o... | 29 | 7 | [
{
"comment_id": "6775534",
"author": "Bob",
"timestamp": "2024-07-13T08:12:12",
"content": "The metre should have been made equal to the yard. Close enough for government work and would have saved a lot of hassle.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,371,856.961273 | ||
https://hackaday.com/2024/07/12/a-teeny-3d-printed-printing-press-thanks-gutenberg/ | A Teeny 3D-Printed Printing Press, Thanks Gutenberg | Lewin Day | [
"3d Printer hacks"
] | [
"3d print",
"3d printer",
"Gutenberg",
"printing press"
] | The printing press was first invented in 1440 AD by Johannes Gutenberg. It’s not so relevant to our day to day lives today, but it’s a technology that forever changed the path of human history. Now you can whip one up yourself
using this teeny design from the [3DPrintingEnthusiast]!
Don’t expect to be making broadsheet... | 18 | 8 | [
{
"comment_id": "6775508",
"author": "Eric Mockler",
"timestamp": "2024-07-13T05:21:20",
"content": "Or put a quill pen in a 3D printer, and intersperse the gcode with inkwell dipping. To print all the new constitutions and declarations of independence coming our way.",
"parent_id": null,
"d... | 1,760,371,856.893051 | ||
https://hackaday.com/2024/07/12/surgery-not-just-for-humans-anymore/ | Surgery — Not Just For Humans Anymore | Navarre Bartz | [
"Science"
] | [
"Amputation",
"animal intelligence",
"ants",
"insects",
"surgery"
] | Sometimes, a limb is damaged so badly that the only way to save the patient is to amputate it. Researchers have now found that humans aren’t the only species to
perform life-saving amputations
. [via
Live Science
]
While some ants have a gland that secretes antimicrobial chemicals to treat wounds in their comrades, Flo... | 21 | 9 | [
{
"comment_id": "6775484",
"author": "Andrew",
"timestamp": "2024-07-13T02:26:32",
"content": "Do you want ants?!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775488",
"author": "Matt",
"timestamp": "2024-07-13T03:19:09",
"content": "I for one w... | 1,760,371,857.02327 | ||
https://hackaday.com/2024/07/12/tiny-transceiver-gets-it-done-with-one-transistor/ | Tiny Transceiver Gets It Done With One Transistor | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"direct conversion",
"ham",
"QRP",
"transceiver"
] | When we first spotted the article about
a one-transistor amateur radio transceiver
, we were sure it was a misprint. We’ve seen a lot of simple low-power receivers using a single transistor, and a fair number of one-transistor transmitters. But both in one package with only a single active component? Curiosity piqued.
... | 24 | 7 | [
{
"comment_id": "6775464",
"author": "Joshua",
"timestamp": "2024-07-12T23:41:03",
"content": "“Oh, and there’s a catch — you have to learn Morse code, since this is a CW-only transmitter.”Nah, you can do a little hack and put a dynamic microphone in the oscillator line and have AM. ;)Ideally, it’s ... | 1,760,371,857.179604 | ||
https://hackaday.com/2024/07/12/home-automation-panel-looks-industrial/ | Home Automation Panel Looks Industrial | Al Williams | [
"home hacks"
] | [
"home automation",
"home-assistant"
] | Modern tech is great, but we have to admit that we sometimes miss when electronic things looked complicated. A modern computer looks dull compared to, say, an IBM 360. Control rooms now look no different than a stock trading room, instead of being full of indicators, knobs, and buzzers. [BorisDigital] must have some of... | 14 | 9 | [
{
"comment_id": "6775474",
"author": "TheOnceAndFutureThingy",
"timestamp": "2024-07-13T00:50:56",
"content": "Oh it’s beautiful. Cockpit and nuclear power plant as home decor. I would have said CNC machining center. Makes Alexa look like a Disney princess, snd that’s not a compliment.",
"parent... | 1,760,371,857.07268 | ||
https://hackaday.com/2024/07/12/iron-man-arc-reactor-clock-is-a-stylish-piece/ | Iron Man Arc Reactor Clock Is A Stylish Piece | Lewin Day | [
"clock hacks"
] | [
"arc reactor",
"clock",
"iron man",
"leds"
] | Iron Man
was the film that kicked off the Marvel craze, and is widely regarded to be better than a lot of the movies that followed. If you’re a big fan of the OG, you’re probably already drowning in Iron Man helmets and arc reactor doo-dads, but here’s one more for you. After all,
you probably don’t have an arc reactor... | 4 | 4 | [
{
"comment_id": "6775438",
"author": "Bleugh",
"timestamp": "2024-07-12T21:45:25",
"content": "Love this, simple, but functional, something we all could build with a little effort :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775500",
"author": "Jer... | 1,760,371,857.117314 | ||
https://hackaday.com/2024/07/11/build-your-own-hydroelectric-dam/ | Build Your Own Hydroelectric Dam | Al Williams | [
"green hacks"
] | [
"dam",
"hydroelectric",
"turbine"
] | We have to admit that we often think about building unusual things, but we hadn’t really considered building our own hydroelectric dam before.
[Mini Construction] did
, apparently, and there’s a timelapse of the build in the video below.
We wished this was more of a how-to video, although if you are handy with brickwor... | 21 | 8 | [
{
"comment_id": "6775197",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-07-11T23:20:56",
"content": "Yeah, I would like to know more about the turbine and generator.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775204",
"author": ... | 1,760,371,857.239755 | ||
https://hackaday.com/2024/07/11/newly-completed-overly-complex-clock-synchronizes-multiple-mechanisms/ | Newly Completed Overly-Complex Clock Synchronizes Multiple Mechanisms | Donald Papp | [
"clock hacks"
] | [
"complexity",
"dominoes",
"laser cut",
"marble run",
"rube goldberg"
] | Some time ago [Kelton] was working on a clock inspired by Rube Goldberg contraptions. It uses only a single motor, and he’s proud to now
show off the finished product
(video, embedded below.)
The clock shows hours on the left, and minutes on the right. Every sixty minutes the clock drops a marble. That marble kicks off... | 1 | 1 | [
{
"comment_id": "6775252",
"author": "Trevor",
"timestamp": "2024-07-12T06:37:33",
"content": "Beautiful, I would love to try build one if you would be so kind as to share your files",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,857.404041 | ||
https://hackaday.com/2024/07/11/2024-business-card-challenge-the-gift-of-music/ | 2024 Business Card Challenge: The Gift Of Music | Kristina Panos | [
"contests",
"Musical Hacks"
] | [
"2024 Business Card Challenge",
"arm cortex-m",
"dac"
] | Has anyone ever told you that you just can’t carry a tune? If you were to be the lucky recipient of one of
[Ayu]’s synthesizer business cards
, well, then it really couldn’t be helped.
This tiny, go-anywhere instrument has quite a lot going for it. It’s easy for anyone to pick up and play something, but versatile enoug... | 7 | 6 | [
{
"comment_id": "6775155",
"author": "Ewald",
"timestamp": "2024-07-11T20:00:58",
"content": "Nice! I might actually try and build this",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775156",
"author": "funvill",
"timestamp": "2024-07-11T20:08:35",
... | 1,760,371,857.44723 | ||
https://hackaday.com/2024/07/11/you-can-build-a-little-car-that-goes-farther-than-you-push-it/ | You Can Build A Little Car That Goes Farther Than You Push It | Lewin Day | [
"Science",
"Toy Hacks"
] | [
"generator",
"motor",
"physics"
] | Can you build a car that travels farther than you push it?
[Tom Stanton] shows us that you can
, using a capacitor and some nifty design tricks.
[Tom]’s video shows us the construction of a small 3D printed trike with a curious drivetrain. There’s a simple generator on board, which charges a capacitor when the trike is... | 25 | 6 | [
{
"comment_id": "6775086",
"author": "David Given",
"timestamp": "2024-07-11T15:50:20",
"content": "You don’t need a generator for this. It works just as well with a geared down flywheel. That’s how those push-along toys operate. Work is done spinning up the flywheel, and then when you let go the fl... | 1,760,371,857.511948 | ||
https://hackaday.com/2024/07/11/embedded-python-micropython-is-amazing/ | Embedded Python: MicroPython Is Amazing | Arya Voronova | [
"Featured",
"News",
"Original Art",
"Skills",
"Slider"
] | [
"microcontroller",
"micropython",
"programming",
"skills"
] | In case you haven’t heard, about a month ago MicroPython has celebrated its 11th birthday. I was lucky that I was able to start hacking with it soon after pyboards have shipped – the first tech talk I remember giving
was about MicroPython
, and that talk was how I got into the hackerspace I subsequently spent years in.... | 105 | 23 | [
{
"comment_id": "6775056",
"author": "m1ke",
"timestamp": "2024-07-11T14:34:54",
"content": "Great read! This motivates me to want to try MicroPython, just don’t know when I’ll get around to it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775069",
... | 1,760,371,857.681655 | ||
https://hackaday.com/2024/07/11/ticketmaster-safetix-reverse-engineered/ | Ticketmaster SafeTix Reverse-Engineered | Alexander Rowsell | [
"internet hacks",
"News",
"Security Hacks",
"Software Hacks"
] | [
"concert ticket",
"hash algorithm",
"reverse engineering",
"security through obscurity",
"ticketmaster",
"totp"
] | Ticketmaster is having a rough time lately. Recently, a hacker named [Conduition] managed to
reverse-engineer their new “safe” electronic ticket system
. Of course, they also had the recent breach where more than half a billion accounts had
personal and financial data leaked
without any indication of whether or not the... | 49 | 8 | [
{
"comment_id": "6775001",
"author": "Kalten",
"timestamp": "2024-07-11T11:34:12",
"content": "I think I speak for a lot of people when I say f*$^ ticketmaster and their legsalised scalping",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775005",
"au... | 1,760,371,857.776841 | ||
https://hackaday.com/2024/07/11/celebrating-the-jack-ells-automatic-photometric-telescope/ | Celebrating The [Jack Ells] Automatic Photometric Telescope | Dan Maloney | [
"Space"
] | [
"BBC Micro",
"counter",
"equatorial",
"newtonian",
"photometry",
"photomultiplier",
"PM tube",
"telescope"
] | Here at Hackaday, we take pride in presenting the freshest hacks and the best of what’s going on today in the world of hardware hacking. But sometimes, we stumble upon a hack from the past so compelling that we’ve got to bring it to you, so we can all marvel at what was possible in the Before Times.
This one,
a complet... | 5 | 2 | [
{
"comment_id": "6775029",
"author": "jawnhenry",
"timestamp": "2024-07-11T13:26:51",
"content": "I would like to know where to getallavailableoriginal, and first-sourceinformation on this effort.Everything–from the (obviously) hand-ground optics; to the very robust equatorial mount; to the liquid l... | 1,760,371,857.825061 | ||
https://hackaday.com/2024/07/12/hackaday-podcast-episode-279-solar-flares-flash-cells-and-free-airline-wifi/ | Hackaday Podcast Episode 279: Solar Flares, Flash Cells, And Free Airline WiFi | Al Williams | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Get your weekly fix of great hacks with your guides, Elliot Williams and Al Williams. This week, the guys talk about hacking airline WiFi, vanishing cloud services, and hobbies adjacent to hacking, such as general aviation. Things go into the weird and wonderful when the topic turns to cavity filters, driving LEDs with... | 1 | 1 | [
{
"comment_id": "6775370",
"author": "Paul Longley",
"timestamp": "2024-07-12T16:41:53",
"content": "Thanks Guys – an enjoyable episode. I worked in Telecom, and waveguides always seemed like black magic as they blur the line between signal conduction being electromagnetic wave propagation and elect... | 1,760,371,857.868647 | ||
https://hackaday.com/2024/07/12/holy-keyboard-case-batman/ | Holy Keyboard Case, Batman! | Kristina Panos | [
"Peripherals Hacks"
] | [
"safe",
"Zazu",
"Zazu keyboard",
"ZMK"
] | Whoever thought a keyboard could look so sinister?
Well, [rain2] aka [AffectionateWin7178], that’s who. Vengeance is the sixth keyboard they’ve designed, and let’s just say we wouldn’t mind seeing the other five.
This is a takeoff of Zazu, a custom case printed for the monoblock split designed by [AlSaMoMo]. A friend o... | 4 | 4 | [
{
"comment_id": "6775350",
"author": "Big Alien Robot",
"timestamp": "2024-07-12T15:26:05",
"content": "Best ragequit keyboard throw ever!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6775355",
"author": "olaf",
"timestamp": "2024-07-12T15:37:16",
... | 1,760,371,857.914242 | ||
https://hackaday.com/2024/07/12/this-week-in-security-blast-radius-gitlab-and-plormbing/ | This Week In Security: Blast-RADIUS, Gitlab, And Plormbing | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Blast RADIUS",
"RegreSSHion",
"This Week in Security"
] | The RADIUS authentication scheme, short for “Remote Authentication Dial-In User Service”, has been widely deployed for user authentication in all sorts of scenarios. It’s a bit odd, in that individual users authenticate to a “RADIUS Client”, sometimes called a Network Access Server (NAS). In response to an authenticati... | 6 | 4 | [
{
"comment_id": "6775426",
"author": "ziew",
"timestamp": "2024-07-12T20:54:46",
"content": "> It’s a bit odd, in that individual users authenticate to a “RADIUS Client”, sometimes called a Network Access Server (NAS).I think you got it backwards. Network Access Server is something that end users c... | 1,760,371,858.011535 | ||
https://hackaday.com/2024/07/12/diy-spacer-increases-fdm-flow-rate-for-faster-better-printing/ | DIY Spacer Increases FDM Flow Rate For Faster, Better Printing | Dan Maloney | [
"3d Printer hacks"
] | [
"bondtech",
"CHT",
"copper",
"extruder",
"FDM",
"hot end",
"Nozzle",
"spacer",
"volcano"
] | The host of problems to deal with when you’re feeling the need for FDM speed are many and varied, but high on the list is figuring out how to melt filament fast enough to accommodate high flow rates. Plus, the filament must be melted completely; a melty outside and a crunchy inside might be good for snacks, but not for... | 8 | 2 | [
{
"comment_id": "6775368",
"author": "Tom",
"timestamp": "2024-07-12T16:35:01",
"content": "Whats wrong with the Volcano CHT nozzles? This is basically, what this contraption tries to replicate, no?https://www.bondtech.se/product/bondtech-cht-volcano-coated-brass-nozzle/Available as clone from Ali f... | 1,760,371,857.956679 | ||
https://hackaday.com/2024/07/12/making-sd-cards-more-nostalgic-with-more-cartridge-ness/ | Making SD Cards More Nostalgic With More Cartridge-ness | Maya Posch | [
"Retrocomputing"
] | [
"cartridge"
] | As practical SD cards are, they lack much of what made floppy disks and cartridges so awesome: room for art and a list of contents, as well as the ability to not be lost in shaggy carpet or down a pet’s gullet. In a fit of righteous nostalgia, [Abe] decided that he’d turn
SD cards into cartridges
in the best way possib... | 11 | 7 | [
{
"comment_id": "6775282",
"author": "Bobtato",
"timestamp": "2024-07-12T09:32:19",
"content": "I’d say this was pointless if I hadn’t been actively considering a similar idea",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775345",
"author": "Greg A... | 1,760,371,858.068264 | ||
https://hackaday.com/2024/07/11/you-can-use-a-crt-as-an-audio-amplifier-tube/ | You Can Use A CRT As An Audio Amplifier Tube | Lewin Day | [
"classic hacks",
"Parts"
] | [
"amplifier",
"audio",
"crt",
"tv"
] | When we talk about audio amplifier tubes, we’re normally talking about the glass little blobby things you might find in a guitar amplifier. We’re not normally talking about big ol’ color CRTs, but apparently they can do the job too.
That’s what [Termadnator] is here to show us.
The CRT in question is a 14″ unit from a ... | 36 | 13 | [
{
"comment_id": "6775243",
"author": "Awesome!",
"timestamp": "2024-07-12T05:35:28",
"content": "Now That’s a Hack!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775499",
"author": "arnis303",
"timestamp": "2024-07-13T04:04:31",
"co... | 1,760,371,858.229221 | ||
https://hackaday.com/2024/07/11/why-the-555-is-not-a-timer-but-can-be-one/ | Why The 555 Is Not A Timer, But Can Be One | Maya Posch | [
"classic hacks"
] | [
"555",
"NE555"
] | Although commonly referred to as a ‘timer IC’, the venerable NE555 and derivatives are in fact not timer ICs. This perhaps controversial statement is the open door that gets kicked in by [PKAE Electronics] over at YouTube, as he explains with
excellent diagrams and simulations
how exactly these ICs work, and what it ta... | 33 | 13 | [
{
"comment_id": "6775225",
"author": "SETH",
"timestamp": "2024-07-12T02:31:50",
"content": "In 1997 I bought 555s and using my hands to hold the wires according to pinout to run the signal into my Sony boom box. I powered with a 9v, and cycled through available time modes with one pin.",
"pare... | 1,760,371,858.15177 | ||
https://hackaday.com/2024/07/10/giving-the-original-xbox-256-mb-of-memory/ | Giving The Original Xbox 256 MB Of Memory | Lewin Day | [
"Xbox Hacks"
] | [
"ddr ram",
"memory",
"ram",
"sdram",
"xbox",
"xbox hacks"
] | The original Xbox forever changed the console world, because it was basically just PC components laced together in a slightly different architecture. It featured a Pentium 733 MHz CPU with just 64MB of RAM. [Prehistoricman] has been hard at work,
figuring out how to up that to 256MB instead.
This isn’t [Prehistoricman’... | 20 | 7 | [
{
"comment_id": "6774954",
"author": "Misterlaneous",
"timestamp": "2024-07-11T06:10:08",
"content": "Xbmc would have used the extra RAM tho.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775038",
"author": "Zoe Nagy",
"timestamp": "2024-07... | 1,760,371,858.555163 | ||
https://hackaday.com/2024/07/10/hacking-airline-wifi-the-hard-way/ | Hacking Airline WiFi The Hard Way | Al Williams | [
"Network Hacks"
] | [
"in-flight internet"
] | We’ve all been there. You are on a flight, there’s WiFi, but you hate to pay the few bucks just to watch dog videos. What to do? Well, we would never suggest you engage in theft of service, but as an intellectual exercise, [Robert Heaton] had an interesting idea. Could the limited free use of the network be coopted to ... | 28 | 9 | [
{
"comment_id": "6774956",
"author": "Kryptylomese",
"timestamp": "2024-07-11T06:35:04",
"content": "In the old land line days to save the cost of a phone call, people used to ring each other and count the number of rings rather than pick up the phone and the count would be a message e.g. four rings... | 1,760,371,858.383462 | ||
https://hackaday.com/2024/07/10/bring-your-reusable-grocery-bag-on-your-head/ | Bring Your Reusable Grocery Bag On Your Head | Navarre Bartz | [
"green hacks"
] | [
"grocery bag",
"sewing",
"simone giertz"
] | After decades of taking plastic bags for granted, some places now charge for them to help offset some of the environmental damage they cause. If you have a tendency to forget your reusable bags at home but love to wear hats, [Simone Giertz] has
the bag hat for you
.
Having conquered everything from making the first
Tes... | 60 | 14 | [
{
"comment_id": "6774898",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-07-10T23:07:58",
"content": "We do use reusable grocery bags, but we ask for plastic bags as well, to clean up after our dog when we go on walks.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,858.741209 | ||
https://hackaday.com/2024/07/10/if-you-want-an-expensive-chair-just-print-your-own/ | If You Want An Expensive Chair Just Print Your Own | Lewin Day | [
"3d Printer hacks"
] | [
"3d printing",
"chair",
"spin"
] | The Magis Spun chair is a weird piece. It’s basically a kind of seat with a round conical base that stops it from sitting still in one place. Instead, it rolls and pivots around when you sit on it, which is apparently quite fun. They’re expensive though, which gave [Morley Kert] a neat idea.
Why not 3D print one instea... | 20 | 8 | [
{
"comment_id": "6774860",
"author": "Cad the Mad",
"timestamp": "2024-07-10T20:44:11",
"content": "Lovely build. Silly product, silly project, lessons to learn, fun video.There’s something very satisfying about taking a pretentious, overpriced item and reproducing it for a fraction of the price.Now... | 1,760,371,858.795413 | ||
https://hackaday.com/2024/07/10/floss-weekly-episode-791-its-all-about-me/ | FLOSS Weekly Episode 791: It’s All About Me! | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"open source",
"Origin Story"
] | This week
David Ruggles
chats with
Jonathan Bennett
about his origin story! What early core memory does Jonathan pin his lifelong computer hobby on? And how was a tense meeting instrumental to Jonathan’s life outlook? And how did Jonathan manage to score a squashable brain toy from an equipment manufacturer? Watch the ... | 1 | 1 | [
{
"comment_id": "6775383",
"author": "calculus",
"timestamp": "2024-07-12T17:17:33",
"content": "I didn’t know Jonathan was a time traveler: “… recorded July 19th …”(*checks watch* it is July 12th)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,858.595614 | ||
https://hackaday.com/2024/07/10/supercon-2023-why-more-hackers-should-earn-their-wings/ | Supercon 2023: Why More Hackers Should Earn Their Wings | Tom Nardi | [
"cons",
"Hackaday Columns",
"Transportation Hacks"
] | [
"2023 Hackaday Supercon",
"aircraft",
"drone",
"license",
"pilot"
] | Hacking has taken on many different meanings over the years, but if you’re here reading these words, we’ll assume your definition is pretty close to ours. To hack is to explore and learn, to find new and (hopefully) better ways of doing things. Or at least, that’s part of it. The other part is to then take what you lea... | 14 | 10 | [
{
"comment_id": "6774833",
"author": "Peter",
"timestamp": "2024-07-10T18:27:57",
"content": "Nice. Blessed are the US citizens, because general aviation over there is a lot easier than in Europe (if you are not a bush pilot with flashy youtube channel).I want to see a lot of things like facetmobile... | 1,760,371,858.646713 | ||
https://hackaday.com/2024/07/10/bringing-the-555-mini-notebook-to-video/ | Bringing The 555 Mini-Notebook To Video | Alexander Rowsell | [
"classic hacks",
"PCB Hacks"
] | [
"555 timer",
"electronics tutorials",
"engineer's mini-notebook",
"engineer's notebook",
"forrest mims",
"tutorial video"
] | Like many of us [AnotherMaker] is a fan of the classic Forrest Mims electronics books, specifically, the Engineer’s Mini-Notebook series. They were great sources of inspiration, but at the time, he couldn’t afford to actually build most of the circuits described. Now as an adult, he decided to go through the
555 Timer ... | 17 | 8 | [
{
"comment_id": "6774799",
"author": "Steven-X",
"timestamp": "2024-07-10T15:52:50",
"content": "I had the original Engineers Notebook. I built a number of projects, but the one I never did build was the LED o-scope! I need to add that to my bucket list!",
"parent_id": null,
"depth": 1,
... | 1,760,371,858.917144 | ||
https://hackaday.com/2024/07/10/pcb-design-review-hab-tracker-with-atmega328p/ | PCB Design Review: HAB Tracker With ATMega328P | Arya Voronova | [
"Featured",
"PCB Hacks",
"Skills",
"Slider"
] | [
"PCB design",
"review"
] | Welcome to the Design Review Central! [VE3SVF] sends us their board, and it’s a HAB (High Altitude Balloon) tracker board. It’s got the venerable ATMega28P on it, a LoRa modem and a GPS module, and it can be powered from a LiIon battery. Stick this board with its battery onto a high-altitude balloon, have it wake up an... | 15 | 5 | [
{
"comment_id": "6774782",
"author": "MacGyverS2000",
"timestamp": "2024-07-10T14:57:24",
"content": "“Also, some fabs don’t want empty inner layers. Last year, JLCPCB started refusing boards with inner or outer layers more than 30% full…”Should “more” be “less”? When you say “empty”, do you mean v... | 1,760,371,858.855223 | ||
https://hackaday.com/2024/07/10/a-new-raspberry-5-dsi-cable-makes-using-screens-easier/ | A New Raspberry 5 DSI Cable Makes Using Screens Easier | Lewin Day | [
"Parts",
"Raspberry Pi"
] | [
"display cable",
"dsi",
"flat flex",
"flex cable",
"raspberry pi",
"Raspberry Pi 5"
] | Arguably the greatest strength of the Raspberry Pi is the ecosystem — it’s well-supported by its creators and the aftermarket. At the same time, the proliferation of different boards has made things more complicated over the years. Thankfully, though, the community is always standing by to help fix any problems. [Raste... | 8 | 4 | [
{
"comment_id": "6774768",
"author": "Joel",
"timestamp": "2024-07-10T14:22:45",
"content": "Is that a hole in the ground plane I see?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774770",
"author": "Joel",
"timestamp": "2024-07-10T14:24:5... | 1,760,371,858.960784 | ||
https://hackaday.com/2024/07/10/model-rocket-nails-vertical-landing-after-three-year-effort/ | Model Rocket Nails Vertical Landing After Three-Year Effort | Dan Maloney | [
"Toy Hacks",
"Transportation Hacks"
] | [
"flight controller",
"IMU",
"landing",
"model rocket",
"rocketry",
"SpaceX",
"Thrust vectoring"
] | Model rocketry has always taken cues from what’s happening in the world of full-scale rockets, with amateur rocketeers doing their best to incorporate the technologies and methods into their creations. That’s not always an easy proposition, though, as
this three-year effort to nail a SpaceX-style vertical landing
aptly... | 30 | 14 | [
{
"comment_id": "6774693",
"author": "Zoe Nagy",
"timestamp": "2024-07-10T08:31:12",
"content": "No mentioning of BS.space?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774712",
"author": "Miko",
"timestamp": "2024-07-10T10:30:35",
... | 1,760,371,859.046758 | ||
https://hackaday.com/2024/07/09/build-your-own-16-mb-30-pin-simms-for-vintage-pcs/ | Build Your Own 16 MB 30-Pin SIMMs For Vintage PCs | Lewin Day | [
"Parts",
"Retrocomputing"
] | [
"386",
"edo",
"fpm",
"ram",
"ram stick",
"SIMM"
] | Today’s memory sticks have hundreds of pins and many gigabytes of RAM on board. Decades ago, though, the humble 30-pin SIMM was the state of the art where memory was concerned. If you’ve got vintage gear, you can try and hunt down old RAM, or you can copy [Bits und Bolts]
and make your own
.
Previously, [Bits und Bolts... | 28 | 7 | [
{
"comment_id": "6774670",
"author": "rasz_pl",
"timestamp": "2024-07-10T05:10:06",
"content": "2 year old github repo documenting same design, even includes the very same “EDO to FPM” hackhttps://github.com/rigred/SIMMBA-16",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,371,859.120282 | ||
https://hackaday.com/2024/07/09/misconceptions-about-loops-or-static-code-analysis-is-hard/ | Misconceptions About Loops, Or: Static Code Analysis Is Hard | Maya Posch | [
"Software Development"
] | [
"static analysis"
] | When thinking about loops in programming languages, they often get simplified down to a conditions section and a body, but this belies the dizzying complexity that emerges when considering loop edge cases within the context of static analysis. A paper titled
Misconceptions about Loops in C
by [Martin Brain] and colleag... | 39 | 10 | [
{
"comment_id": "6774647",
"author": "Mike",
"timestamp": "2024-07-10T02:43:25",
"content": "all that paper showed is how poorly people write code without thinking. Far to many coders focus on just getting the job done as fast as possible, never thinking of the what if scenarios.",
"parent_id": ... | 1,760,371,859.2064 | ||
https://hackaday.com/2024/07/09/looking-at-standard-cell-design-in-the-pentium-processor/ | Looking At Standard-Cell Design In The Pentium Processor | Maya Posch | [
"Reverse Engineering"
] | [
"pentium"
] | Die photo of the Intel Pentium processor with standard cells highlighted in red. The edges of the chip suffered some damage when I removed the metal layers. (Credit: Ken Shirriff)
Whereas the CPUs and similar ASICs of the 1970s had their transistors laid out manually, with the move from LSI to VLSI, it became necessary... | 12 | 5 | [
{
"comment_id": "6774627",
"author": "BT",
"timestamp": "2024-07-09T23:24:53",
"content": "Amazing work! I love [ken sherriff]’s articles: loads of detailed photos you can zoom in and study if you want and good write-ups you can read and re-read bits at your leisure. So much better for technical doc... | 1,760,371,859.36652 | ||
https://hackaday.com/2024/07/09/building-a-cassette-deck-controller-to-save-a-locked-out-car-stereo/ | Building A Cassette Deck Controller To Save A Locked Out Car Stereo | Lewin Day | [
"classic hacks",
"Repair Hacks"
] | [
"cassette",
"compact cassette",
"tape",
"tape deck"
] | Cars have had DRM-like measures for longer than you might think. Go back to the 1990s, and coded cassette decks were a common way to stop thieves being able to use stolen stereos. Sadly, they became useless if you ever lost the code. [Simon] had found a deck in great condition that was locked out,
so he set about build... | 27 | 5 | [
{
"comment_id": "6774598",
"author": "HaHa",
"timestamp": "2024-07-09T20:14:42",
"content": "",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774609",
"author": "TG",
"timestamp": "2024-07-09T20:48:27",
"content": "Yeah but sometimes ... | 1,760,371,859.434441 | ||
https://hackaday.com/2024/07/09/hackable-ham-radio-gives-up-its-mechanical-secrets/ | Hackable Ham Radio Gives Up Its Mechanical Secrets | Dan Maloney | [
"Radio Hacks",
"Reverse Engineering"
] | [
"mechanical",
"mesh",
"model",
"Photogrammetry",
"point cloud",
"Quansheng",
"RealityCapture",
"reverse engineering",
"Rhino",
"stl",
"uv k5"
] | Reverse-engineered schematics are
de rigeur
around these parts, largely because they’re often the key to very cool hardware hacks. We don’t get to see many mechanical reverse-engineering efforts, though, which is a pity because electronic hacks often literally don’t stand on their own. That’s why
these reverse-engineer... | 4 | 2 | [
{
"comment_id": "6774590",
"author": "Greg A",
"timestamp": "2024-07-09T20:04:25",
"content": "i thought the reason we didn’t see many reverse-engineered mechanical diagrams for things like this is that it’s just not mechanically very interesting. for most hobbyist projects you simply need to measu... | 1,760,371,859.312736 | ||
https://hackaday.com/2024/07/09/supercon-call-for-proposals-extended-july-16th/ | Supercon Call For Proposals Extended: July 16th | Elliot Williams | [
"Hackaday Columns"
] | [
"2024 Hackaday Supercon",
"2024 Hackaday Superconference",
"call for participation",
"cons"
] | Ever since the first Supercon, people have submitted talk proposals at the very last minute, and some even in the minutes after the last minute. We know how it is – we are fully licensed procrastineers ourselves. So with an eye toward
tradition
, we’re extending the
Call for Speakers
and the
Call for Workshops
one more... | 4 | 3 | [
{
"comment_id": "6774621",
"author": "cnlohr",
"timestamp": "2024-07-09T21:57:54",
"content": "Thank you for extending. I almost had my proposal ready but this will def make it easier to make good.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6775006",
... | 1,760,371,861.220022 | ||
https://hackaday.com/2024/07/09/keep-your-lungs-clean-and-happy-with-a-diy-supplied-air-respirator/ | Keep Your Lungs Clean And Happy With A DIY Supplied-Air Respirator | Dan Maloney | [
"Tool Hacks"
] | [
"breathing",
"HEPA",
"hood",
"lungs",
"PPE",
"pulse oximeter",
"resin",
"respirator",
"sar",
"sla",
"supplied air",
"VOC"
] | The smell of resin SLA printing is like the weather — everybody complains about it, but nobody does anything about it. At least until now, as [Aris Alder] tackles the problem with
an affordable DIY supplied-air respirator
.
Now, we know what you’re thinking, anything as critical as breathing is probably best left to th... | 13 | 4 | [
{
"comment_id": "6774523",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-07-09T17:22:43",
"content": "Respiration aspirations",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6774530",
"author": "Aaron",
"timestamp": "2024-07-09T17:... | 1,760,371,861.441346 | ||
https://hackaday.com/2024/07/09/solar-dynamics-observatory-our-solar-early-warning-system/ | Solar Dynamics Observatory: Our Solar Early Warning System | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"corona satellite",
"coronal mass ejection",
"observatory",
"science",
"solar flare",
"space",
"sun"
] | Ever since the beginning of the Space Age, the inner planets and the Earth-Moon system have received the lion’s share of attention. That makes sense; it’s a whole lot easier to get to the Moon, or even to Mars, than it is to get to Saturn or Neptune. And so our probes have mostly plied the relatively cozy confines insi... | 3 | 3 | [
{
"comment_id": "6774509",
"author": "Joshua",
"timestamp": "2024-07-09T16:36:40",
"content": "Also interesting is OSO mission, some kind of ancient precursor in sun exploration.https://en.wikipedia.org/wiki/Orbiting_Solar_ObservatoryThere’s also a German documentary in b/w that features it.https://... | 1,760,371,861.123616 | ||
https://hackaday.com/2024/07/09/samsung-killed-the-online-service-this-20-dollar-dongle-brings-it-back/ | Samsung Killed The Online Service, This 20 Dollar Dongle Brings It Back | Jenny List | [
"digital cameras hacks"
] | [
"online hack",
"samsung",
"samsung camera"
] | Around 2010 or so, Samsung cameras came with an online service: Social Network Services. It enabled pictures to be unloaded wirelessly to social media with minimum hassle, which back then wasn’t quite as easily accomplished as it is today. Sadly they shuttered the service in 2021, leaving that generation of cameras, li... | 14 | 5 | [
{
"comment_id": "6774447",
"author": "Jason",
"timestamp": "2024-07-09T13:56:41",
"content": "Uploaded not unloaded.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6774453",
"author": "Somehuman",
"timestamp": "2024-07-09T14:07:48",
"content": "Int... | 1,760,371,861.17131 | ||
https://hackaday.com/2024/07/09/making-ev-motors-and-breaking-up-with-rare-earth-elements/ | Making EV Motors, And Breaking Up With Rare Earth Elements | Donald Papp | [
"Engine Hacks"
] | [
"Electric motor",
"ev",
"rare-earth"
] | Rare earth elements are used to produce magnets with very high strength that also strongly resist demagnetization, their performance is key to modern motors such as those in electric vehicles (EVs). The stronger the magnets, the lighter and more efficient a motor can be. So
what exactly does it take to break up with ra... | 85 | 7 | [
{
"comment_id": "6774371",
"author": "Bo-Erik Sandholm",
"timestamp": "2024-07-09T10:24:13",
"content": "In my humble opinion there is really no need for the extreme performance that currently is one of the common selling point for Electric cars 😀",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,861.331948 | ||
https://hackaday.com/2024/07/08/going-ham-mobile-on-a-bicycle/ | Going Ham Mobile On A Bicycle | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"ham",
"HF",
"mobile. bicycle",
"pota",
"radio"
] | It’s said that “Golf is a good walk spoiled,” so is
attaching an amateur radio to a bike
a formula for spoiling a nice ride?
Not according to [Wesley Pidhaychuk (VA5MUD)], a Canadian ham who tricked out his bike with a transceiver and all the accessories needed to work the HF bands while peddling along. The radio is a ... | 19 | 9 | [
{
"comment_id": "6774323",
"author": "Cad the Mad",
"timestamp": "2024-07-09T05:16:13",
"content": "I had a coworker who is a devout ham and enjoyed bicycling. He’d already set up an ARPS transmitter on his bike and had the great idea to add a mic/speaker to the radio so he could have conversations ... | 1,760,371,861.492839 | ||
https://hackaday.com/2024/07/08/plight-of-the-lowly-numitron-tube/ | Plight Of The Lowly Numitron Tube | Adam Fabio | [
"clock hacks",
"hardware"
] | [
"numitron",
"Technology Connections",
"tube",
"vacuum tube"
] | In the 60’s and 70’s there were many ways to display numeric data. Nixie tubes, Vacuum Florescent Displays (VFD), micro projection systems, you name it. All of them had advantages and drawbacks. One of the simplest ways to display data was the RCA Numitron. [Alec] at
Technology Connections
has a
bit of a love/hate rela... | 17 | 7 | [
{
"comment_id": "6774114",
"author": "BT",
"timestamp": "2024-07-08T08:16:36",
"content": "“…didn’t bother tilting the “8” to fit the decimal point in!”Thank you; I never twigged why 7-segment displays were so often “in italics”!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,861.384715 | ||
https://hackaday.com/2024/07/07/peleds-using-perovskites-to-create-leds-which-also-sense-light/ | PeLEDs: Using Perovskites To Create LEDs Which Also Sense Light | Maya Posch | [
"Science"
] | [
"PeLED",
"perovskite"
] | With both of the dominant display technologies today – LCD and OLED – being far from perfect, there is still plenty of room in the market for the Next Big Thing. One of the technologies being worked on is called PeLED, for Perovskite LED. As a semiconductor material, it can both be induced to emit photons as well as re... | 12 | 7 | [
{
"comment_id": "6774105",
"author": "Eric",
"timestamp": "2024-07-08T05:31:23",
"content": "Could that be used for adaptive brightness? Sense if it’s bright or dark and adjust the backlight level? Currently devices require camera or sensor to detect light level",
"parent_id": null,
"depth":... | 1,760,371,861.538885 | ||
https://hackaday.com/2024/07/07/korean-multifunction-counter-teardown/ | Korean Multifunction Counter Teardown | Al Williams | [
"Teardown"
] | [
"frequency counter",
"test equipment",
"workbench"
] | [Thomas Scherrer] likes to tear down old test equipment, and often, we remember the devices he opens up or — at least — we’ve heard of them. However, this time, he’s got a
Hung Chang HC-F100 multifunction counter
, which is a vintage 1986 instrument that can reach 100 MHz.
Inside, the product is clearly a child of its ... | 5 | 2 | [
{
"comment_id": "6774128",
"author": "paulvdh",
"timestamp": "2024-07-08T09:21:19",
"content": "So even back then they made electronic instruments with mostly empty boxes.A while back I was looking around for a bench top DMM, but I could not find any to my liking. The small / “cheap” ones have slow... | 1,760,371,860.958618 | ||
https://hackaday.com/2024/07/07/hackaday-links-july-7-2024/ | Hackaday Links: July 7, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"am",
"analog",
"Anool",
"broadcast",
"Compressed Gas",
"cylinder",
"fm",
"hackaday links",
"hotline",
"Maker's Asylum",
"Mumbai",
"radio",
"robot suicide",
"space debris",
"SpaceX",
"spectrum",
"submarine",
"Switzerland",
"terrestrial",
"u-boot"
] | Begun, the Spectrum Wars have. First, it was
AM radio getting the shaft
(last item) and being yanked out of cars for the supposed impossibility of peaceful coexistence with
rolling broadband EMI generators
EVs. That battle has gone back and forth for the last year or two here in the US, with
lawmakers even getting invo... | 7 | 4 | [
{
"comment_id": "6774092",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-07-08T02:16:52",
"content": "Rest in pieces Supervisor Robot.We hardly knew ye!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774155",
"author": "craig",... | 1,760,371,861.595425 | ||
https://hackaday.com/2024/07/07/new-battery-has-no-anode/ | New Battery Has No Anode | Al Williams | [
"Battery Hacks",
"News"
] | [
"battery",
"sodium battery",
"solid-state battery"
] | Conventional batteries have anodes and cathodes, but a
new design
from the University of Chicago and the University of California San Diego lacks an anode. While this has been done before, according to the University, this is the first time a solid-state sodium battery has successfully used this architecture.
Sodium is... | 29 | 8 | [
{
"comment_id": "6774012",
"author": "Andrew",
"timestamp": "2024-07-07T20:15:42",
"content": "How does it smell?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774050",
"author": "𐂀 𐂅",
"timestamp": "2024-07-07T22:45:45",
"content... | 1,760,371,861.656734 | ||
https://hackaday.com/2024/07/07/c-compiler-exists-entirely-in-vim/ | C Compiler Exists Entirely In Vim | Donald Papp | [
"Software Hacks"
] | [
"8cc",
"c++",
"compiler",
"hello world",
"vim"
] | 8cc.vim
is a C compiler that exists as pure Vimscript. Is it small? It sure is! How about fast? Absolutely not! Efficient? Also no. But does it work and is it neat? You betcha!
Ever typed
:wq
to write the buffer and exit in
Vim
? When you do that, you’re using
Vimscript
. Whenever one enters command mode
:
in Vim, one ... | 36 | 8 | [
{
"comment_id": "6773971",
"author": "Ale",
"timestamp": "2024-07-07T17:18:58",
"content": "I will wait for the emacs version, of course.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6773977",
"author": "Warren Burstein",
"timestamp": "2024... | 1,760,371,862.009134 | ||
https://hackaday.com/2024/07/07/custom-microcode-compiler-made-in-google-sheets/ | Custom Microcode Compiler, Made In Google Sheets | Donald Papp | [
"Retrocomputing",
"Software Hacks"
] | [
"classic computing",
"cpu",
"homebrew cpu",
"microcode"
] | When homebrewing a CPU, one has to deal with microcode. Microcode is the low-level nuts and bolts of how, precisely, a CPU executes instructions (like opcodes) and performs functions such as updating the cycle counter or handling interrupt requests. To make this task easier, [Bob Alexander] created a
microcode compiler... | 12 | 2 | [
{
"comment_id": "6773958",
"author": "Greg A",
"timestamp": "2024-07-07T15:23:03",
"content": "it’s a fun use for a spreadsheet, for sure, but personally i cringe at it because i put all my projects in git. i like having the history, and i want the diffs to be meaningful human-readable summary of c... | 1,760,371,861.710125 | ||
https://hackaday.com/2024/07/07/2024-business-card-challenge-magnetic-fidget-card/ | 2024 Business Card Challenge: Magnetic Fidget Card | Kristina Panos | [
"contests"
] | [
"2024 Business Card Challenge",
"magnets",
"neodymium magnet"
] | If you want someone to keep your business card around, you should probably make it really cool-looking, or have it do something useful. It’s kind of the whole point of the 2024 Business Card Challenge. And while we’d normally expect electronics of some persuasion to be involved, we must admit that
this magnetic fidget ... | 5 | 3 | [
{
"comment_id": "6773988",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-07-07T18:42:13",
"content": "“Aurally”As in audible,Or effecting one’s aura?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774183",
"author": "Elliot Wil... | 1,760,371,862.098107 | ||
https://hackaday.com/2024/07/07/hacking-a-brother-label-maker-is-your-cups-half-empty-or-half-full/ | Hacking A Brother Label Maker: Is Your CUPS Half Empty Or Half Full? | Al Williams | [
"Linux Hacks",
"Reverse Engineering"
] | [
"brother",
"CUPS",
"label maker",
"labelmaker",
"linux",
"p-touch",
"printing"
] | On the one hand, we were impressed that a tiny Brother label maker actually uses CUPS to support printing. Like [Sdomi], we were less than impressed at how old a copy it was using – – 1.6.1. Of course, [Sdomi] managed to gain access to the OS and set things up the right way, and we get an
over-the-shoulder view
.
It wa... | 8 | 4 | [
{
"comment_id": "6773909",
"author": "H4CK",
"timestamp": "2024-07-07T11:28:07",
"content": "Dealing with printers is a peculiar kind of fun, but sdomi always delivers with top write-ups.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6773974",
"author": "... | 1,760,371,862.475107 | ||
https://hackaday.com/2024/07/06/repeatable-one-click-fusion-from-your-cellphone/ | Repeatable “One-Click” Fusion, From Your Cellphone | Elliot Williams | [
"Science"
] | [
"fusion",
"fusor",
"reactor",
"science",
"software"
] | Sometimes you spend so much time building and operating your nuclear fusor that you neglect the creature comforts, like a simple fusion control profile or a cellphone app to remote control the whole setup. No worries, [Nate Sales] has your back with his
openreactor
project, your one-click fusion solution!
An inertial e... | 22 | 4 | [
{
"comment_id": "6773900",
"author": "Nobody",
"timestamp": "2024-07-07T10:06:23",
"content": "Huh …. all those fools spending millions of dollars on fusion and all they needed was THIS !!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6773910",
"au... | 1,760,371,862.155689 | ||
https://hackaday.com/2024/07/06/british-trains-to-maybe-make-way-for-steam-once-more/ | British Trains To (Maybe) Make Way For Steam Once More | Jenny List | [
"Transportation Hacks"
] | [
"hydrogen steam generator",
"locomotive",
"railroad",
"railway",
"steam",
"steam locomotive",
"steam turbine"
] | There’s nothing more guaranteed to excite a grizzled old railway enthusiast than the sight of a steam locomotive. The original main-line rail propulsion technology still clings on in a few places, but for practical purposes, it disappeared a lifetime ago. It’s interesting then to hear of a brand new steam locomotive pr... | 72 | 11 | [
{
"comment_id": "6773845",
"author": "Andrew",
"timestamp": "2024-07-07T02:29:54",
"content": "Stop trying to make [the hydrogen economy] happen. It’s not going to happen.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6773894",
"author": "James Mac ... | 1,760,371,862.433894 | ||
https://hackaday.com/2024/07/06/full-scale-flying-delorean-gets-closer-to-liftoff/ | Full-Scale Flying DeLorean Gets Closer To Liftoff | Tom Nardi | [
"Transportation Hacks"
] | [
"airframe",
"multirotor",
"quadcopter"
] | These days, even hobbyist multi-rotor aircraft are capable of carrying considerable payloads. For example, the test rig that [Brian Brocken] recently put together should be able to loft more than 80 pounds (36 kilograms) without breaking a sweat. That would be a whole lot of camera gear or other equipment, but in this ... | 12 | 5 | [
{
"comment_id": "6773823",
"author": "Sheff",
"timestamp": "2024-07-07T00:08:10",
"content": "Foam Board ?? Where we’re Going We Don’t Need Foam Board !!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6774202",
"author": "Todd",
"timestamp":... | 1,760,371,862.527651 | ||
https://hackaday.com/2024/07/06/2024-business-card-challenge-a-battery-tester-with-blinkenlights/ | 2024 Business Card Challenge: A Battery Tester With Blinkenlights | Kristina Panos | [
"contests"
] | [
"2024 Business Card Challenge",
"battery tester",
"pogo pins"
] | Readers of a certain vintage will no doubt remember that for a brief time, some alkaline batteries came with a built-in battery tester. Basically, you just pushed really hard with your fingernails on the two ends of the strip, and it either lit up the little strip (or didn’t if it was dead), or made the word ‘good’ app... | 8 | 4 | [
{
"comment_id": "6773793",
"author": "Sascha Wüstemann",
"timestamp": "2024-07-06T21:35:23",
"content": "Some are rather inspiring, e. g. the badgy!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6773804",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,371,862.247756 | ||
https://hackaday.com/2024/07/06/arduino-plc-keeps-the-beat/ | Arduino PLC Keeps The Beat | Bryan Cockfield | [
"Musical Hacks"
] | [
"3d printed",
"arduino",
"arduino opta",
"drums",
"metronome",
"plc",
"power supply",
"programming",
"solenoid"
] | For most of our prototype, hobby, or one-off electronics projects it’s perfectly fine to use a development platform like an Arduino Uno or something to that effect. They’re both easy to program and easy to wire up to projects without breaking the bank. But if you step into an industrial setting where reliability is par... | 12 | 8 | [
{
"comment_id": "6773768",
"author": "echodelta",
"timestamp": "2024-07-06T18:06:48",
"content": "I find the voice coil arm and magnet of a hard drive makes a great actuator for striking a drum. Lever action instead of linear much like a stick. I attached a piece of piano spring wire to the stub of ... | 1,760,371,862.203345 | ||
https://hackaday.com/2024/07/08/open-source-high-speed-sige-ic-production-for-free/ | Open Source High Speed SiGe IC Production For Free! | Dave Rowntree | [
"hardware"
] | [
"analog",
"bipolar",
"chip",
"high speed",
"IC design",
"MPW",
"open source",
"shuttle run",
"silicon germanium"
] | We’ve covered the Tiny Tapeout project a few times on these pages, and while getting your digital IC design out there onto actual silicon for a low cost is super cool, it is still somewhat limited. Now, along comes the German FMD QNC project funding MPW (multi-project wafer) runs not in bog standard Silicon CMOS but
Si... | 7 | 3 | [
{
"comment_id": "6774389",
"author": "NFM",
"timestamp": "2024-07-09T11:19:25",
"content": "So I design a chip but I don’t get to own or even keep the results?I’ll stick with the openframe project. Their tools may still be buggy, but at least we own the fistful of chips that come out the other end, ... | 1,760,371,862.570175 | ||
https://hackaday.com/2024/07/08/keyboard-contains-entire-mini-pc-just-byod/ | Keyboard Contains Entire Mini PC, Just BYOD | Kristina Panos | [
"News",
"Peripherals Hacks"
] | [
"bring your own display",
"BYOD",
"keyboard",
"mini pc",
"Ryzen"
] | When we talk about keyboards that do it all, we usually mean either big ones with lots of keys and doodads like rotary encoders and displays, or small ones with lots of layers (and usually a few doodads, too). But this — this is something else entirely.
Chinese PC maker Linglong have crammed an entire mini PC into a ke... | 52 | 17 | [
{
"comment_id": "6774270",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-07-08T23:16:07",
"content": "A computer in a keyboard?I was thinking “easy with a Raspi CM 400”.Then, I read “Ryzen 7”!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,371,862.686312 | ||
https://hackaday.com/2024/07/08/2024-business-card-challenge-a-very-annoying-business-card-indeed/ | 2024 Business Card Challenge: A Very Annoying Business Card, Indeed | Kristina Panos | [
"contests"
] | [
"2024 Business Card Challenge",
"ESP32",
"solar"
] | Usually the business card itself is the reminder to get in contact with whoever gave it to you. But this is Hackaday, after all.
This solar-powered card reminds the recipient to send [Dead Rat Productions] an email by beeping about every two hours
, although the gist of that email may simply be begging them to make it ... | 7 | 3 | [
{
"comment_id": "6774248",
"author": "Titus431",
"timestamp": "2024-07-08T20:31:58",
"content": "So … a solar charged annoyatron where the PCB is only populated if they think the recipient is a billionaire?No actual website — just a pic from the card.Historically, I may have been looking for clients... | 1,760,371,862.733094 | ||
https://hackaday.com/2024/07/08/hack-all-the-things-get-all-the-schematics/ | Hack All The Things, Get All The Schematics | Arya Voronova | [
"Hackaday Columns",
"Rants"
] | [
"hacking",
"repair",
"schematics"
] | When I was growing up, about 4 or 5 years old, I had an unorthodox favourite type of reading material: service manuals for my dad’s audio equipment. This got to the point that I kept asking my parents for more service manuals, and it became a running joke in our family for a bit. Since then, I’ve spent time repairing t... | 32 | 12 | [
{
"comment_id": "6774214",
"author": "Oliver",
"timestamp": "2024-07-08T17:32:54",
"content": "Here here, absolutly!!> Schematics keep a treasure trove of hacker-friendly information in them, and information deserves to be free.As a society we can improve best by working together. Freedom of informa... | 1,760,371,862.808675 | ||
https://hackaday.com/2024/07/08/usagi-electrics-bendix-g15-gets-dc-power/ | [Usagi Electric’s] Bendix G15 Gets DC Power | Adam Fabio | [
"Retrocomputing"
] | [
"Bendix G15",
"G15",
"Usagi",
"usagi electric",
"vacuum tube"
] | [Usagi Electric] is
breathtakingly close to having his Bendix G15 vacuum
tube computer up and running. This week he is joined by a new friend, [Lloyd] who is restoring a G15 as well. [Lloyd] used to repair the Bendix Computers back in the 1970s, so he’s privy to lots of practical knowledge you can’t find in the manuals... | 2 | 2 | [
{
"comment_id": "6774259",
"author": "That guy ¯\\(°_o)/¯",
"timestamp": "2024-07-08T21:37:39",
"content": "its not his, its on loan to repair from system source",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7444197",
"author": "Fritz Schneider",
"tim... | 1,760,371,862.850572 | ||
https://hackaday.com/2024/07/08/the-flash-memory-lifespan-question-why-qlc-may-be-nand-flashs-swan-song/ | The Flash Memory Lifespan Question: Why QLC May Be NAND Flash’s Swan Song | Maya Posch | [
"Current Events",
"Engineering",
"Featured",
"Slider"
] | [
"NAND flash",
"solid state drive"
] | The late 1990s saw the widespread introduction of solid-state storage based around NAND Flash. Ranging from memory cards for portable devices to storage for desktops and laptops, the data storage future was prophesied to rid us of the shackles of magnetic storage that had held us down until then. As solid-state drives ... | 87 | 16 | [
{
"comment_id": "6774165",
"author": "Zit",
"timestamp": "2024-07-08T14:38:19",
"content": "But the growth in HDD capacity is also slowing down. For consumer grade CMR disks around 200 bucks, it was 1TB in 2010, 4TB in 2015, 8TB in 2018 , and from 2021 to now, it has only reached 16TB",
"parent_... | 1,760,371,863.0342 | ||
https://hackaday.com/2024/07/08/unlocking-the-mystery-of-an-aircraft-adi/ | Unlocking The Mystery Of An Aircraft ADI | Al Williams | [
"Teardown"
] | [
"adi",
"aircarft",
"aviation",
"avionics",
"cockpit",
"gauge"
] | If you’ve ever seen the cockpit of an airplane, you’ve probably noticed the round ball that shows your attitude, and if you are like us, you’ve wondered exactly how the Attitude Direction Indicator (ADI) works. Well, [msylvain59] is
tearing one apart
in the video below, so you can satisfy your curiosity in less than 30... | 13 | 6 | [
{
"comment_id": "6774140",
"author": "Mystick",
"timestamp": "2024-07-08T11:40:02",
"content": "“The artificial horizon – it’s twice as good as the actual horizon.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6774151",
"author": "jbx",
"timestamp": ... | 1,760,371,862.905155 | ||
https://hackaday.com/2024/07/06/halfway-between-inspiration-and-engineering/ | Halfway Between Inspiration And Engineering | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"engineering",
"lateral thinking",
"newsletter"
] | We see a lot of hacks where the path to success is pretty obvious, if maybe strewn with all sorts of complications, land-mines, and time-sinks. Then we get other hacks that are just totally out-of-the-box. Maybe the work itself isn’t so impressive, or even “correct” by engineering standards, but the inner idea that’s s... | 7 | 5 | [
{
"comment_id": "6773731",
"author": "Jesse Jenkins",
"timestamp": "2024-07-06T15:56:32",
"content": "Many folks love exotic solutions. Personally, I am a fan of “brute force” solutions. Good job(s)!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6773740",
... | 1,760,371,863.24779 | ||
https://hackaday.com/2024/07/06/candle-powered-lantern-isnt-as-silly-as-you-think/ | Candle Powered Lantern Isn’t As Silly As You Think | Adam Fabio | [
"LED Hacks",
"Tech Hacks"
] | [
"candle",
"heat",
"lantern",
"peltier",
"SeeBeck Effect"
] | [Gilles Messier] at the
Our Own Devices
YouTube channel recently took a look at an interesting device —
an electric lantern powered by a candle
. At first glance, this sounds completely absurd. Why use a candle to power LEDs when you can use the light from the candle itself? This gadget has a trick up its sleeve, thoug... | 30 | 14 | [
{
"comment_id": "6773678",
"author": "geertu",
"timestamp": "2024-07-06T11:29:02",
"content": "https://www.elektormagazine.com/labs/peltier-lamp",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6773680",
"author": "MG",
"timestamp": "2024-07-06T11:36:01"... | 1,760,371,863.490683 | ||
https://hackaday.com/2024/07/06/new-solar-spheres-claim-to-be-better-than-solar-panels/ | New Solar Spheres Claim To Be Better Than Solar Panels | Al Williams | [
"News",
"Solar Hacks"
] | [
"solar energy",
"solar panels"
] | When you think of solar energy, you probably think of flat plates on rooftops. A company called WAVJA wants you to think of
spheres
. The little spheres, ranging from one to four inches across, can convert light into electricity, and the company claims they have 7.5 times the output of traditional solar panels and coul... | 83 | 40 | [
{
"comment_id": "6773626",
"author": "lamalas",
"timestamp": "2024-07-06T08:06:03",
"content": "Since when does HaD writes articles on clearly scam/fake things? What’s next, free energy generators?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6773636",
... | 1,760,371,863.604364 | ||
https://hackaday.com/2024/07/05/building-an-ir-thermometer-that-fits-on-your-keychain/ | Building An IR Thermometer That Fits On Your Keychain | Tom Nardi | [
"Microcontrollers",
"Tool Hacks"
] | [
"3D printed enclosure",
"esp32-C3",
"IR thermometer",
"keychain",
"oled display"
] | Non-contact infrared (IR) thermometers used to be something of an exotic tool, but thanks at least in part due to the COVID-19 pandemic, they’re now the sort of thing you see hanging up near the grocery store checkout as a cheap impulse buy. Demand pushed up production, and the economies of scale did the test. Now the ... | 11 | 6 | [
{
"comment_id": "6773617",
"author": "Matthias Haun",
"timestamp": "2024-07-06T07:03:52",
"content": "lidar temperature sensor? i think it’s the wrong part… and what about calibrating the temperature sensor? is it necessary?",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,371,863.352301 | ||
https://hackaday.com/2024/07/05/dad-where-did-printed-circuit-boards-come-from/ | Dad? Where Did Printed Circuit Boards Come From? | Al Williams | [
"History",
"PCB Hacks"
] | [
"history",
"printed circuits",
"proximity fuze"
] | These days, it is hard to imagine electronics without printed circuit boards. They are literally in everything. While making PCBs at home used to be a chore, these days, you design on a computer, click a button, and they show up in the mail. But if you go back far enough, there were no PC boards.
Where did they come fr... | 19 | 12 | [
{
"comment_id": "6773597",
"author": "BobH",
"timestamp": "2024-07-06T03:04:12",
"content": "Some of the Automotive Electronics from the 1990s were using the silver traces on a ceramic substrate. It was potted in a thick, transparent goo. If I remember right is was an integrated voltage regulator on... | 1,760,371,863.298979 | ||
https://hackaday.com/2024/07/05/the-thermite-process-iron-foundry/ | The Thermite Process Iron Foundry | Jenny List | [
"chemistry hacks"
] | [
"cast iron",
"iron casting",
"Thermite"
] | The thermite process is a handy way to generate molten iron in the field. It’s the reaction between aluminium metal and iron oxide, which results in aluminium oxide and metallic iron. It’s hot enough that the iron is produced as a liquid, which means it’s most notably used for in-field welding of things such as railway... | 14 | 8 | [
{
"comment_id": "6773580",
"author": "Reg",
"timestamp": "2024-07-06T00:09:27",
"content": "A small cupola would be far more useful. One foundry in the early part of the last century made one out of small barrel. Nail keg IIRC and ran it on their float in a parade actually melting and casting durin... | 1,760,371,863.651404 | ||
https://hackaday.com/2024/07/05/a-look-back-at-the-ussrs-mi-6-helicopter-airliner/ | A Look Back At The USSR’s Mi-6 Helicopter Airliner | Maya Posch | [
"History",
"Transportation Hacks"
] | [
"commercial air travel",
"helicopter",
"Soviet Union"
] | Most of us would equate commercial airline travel with fixed-wing aircraft, but civilian transport by helicopter, especially in large and sparsely populated regions, is common enough. It was once even big business in the Soviet Union, where the Aeroflot airline operated passenger helicopters in regular service for many... | 26 | 9 | [
{
"comment_id": "6773530",
"author": "Dude",
"timestamp": "2024-07-05T20:38:55",
"content": "The Soviet system made these machines to serve an economy that didn’t exist – almost nobody had the sort of income that would warrant helicopters or even regular airplane travel as a consumer service. As suc... | 1,760,371,863.712658 | ||
https://hackaday.com/2024/07/05/hacking-a-quansheng-handheld-to-transmit-digital-modes/ | Hacking A Quansheng Handheld To Transmit Digital Modes | Lewin Day | [
"Radio Hacks"
] | [
"handheld",
"handheld radio",
"portable radio",
"Quansheng",
"radio",
"uv-k6"
] | Have you ever thought about getting into digital modes on the ham bands? As it turns out, you can get involved using the affordable and popular Quansheng UV-K6 — if you’re game to modify it, that is. It’s perfectly achievable
using the custom Mobilinkd firmware,
the brainchild of one [Rob Riggs].
In order to efficientl... | 11 | 7 | [
{
"comment_id": "6773490",
"author": "Are",
"timestamp": "2024-07-05T18:37:05",
"content": "Is it possible to do hardware mod on it to get more memory/flash for code and then get firmware with all fancy functionality?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,863.759437 | ||
https://hackaday.com/2024/07/05/hackaday-podcast-episode-278-diy-subs-the-ergoring-and-finding-nema-17/ | Hackaday Podcast Episode 278: DIY Subs, The ErgoRing, And Finding NEMA 17 | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | In this episode, Hackaday Editors Elliot Williams and Tom Nardi kick things off with a reminder about the impending deadline for Supercon talk and workshop proposals. From there discussion moves on to the absolutely incredible tale of two brothers who solved a pair of missing person cases with their homebrew underwater... | 3 | 2 | [
{
"comment_id": "6773519",
"author": "a_do_z",
"timestamp": "2024-07-05T20:03:03",
"content": "Having read the article when it first published, I sadly report that while reading the podcast description I just now got the “Finding NEMA” gag.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,863.803379 | ||
https://hackaday.com/2024/07/05/build-a-diy-spinner-to-get-your-tempest-game-going/ | Build A DIY Spinner To Get Your Tempest Game Going | Lewin Day | [
"Retrocomputing"
] | [
"mame",
"paddle",
"paddle controller",
"spinner",
"tempest"
] | These days, controls in games are fairly standardized by genre. Most RTSs, FPSs, and RPGs all control more or less the same way. But one type of controller that has fallen by the wayside is the paddle, or spinner. [jesster88] is a big
Tempest
fan, however, and a spinner is crucial.
Thus, what else is there to do but wh... | 8 | 5 | [
{
"comment_id": "6773486",
"author": "SipsTea.....",
"timestamp": "2024-07-05T18:20:57",
"content": "A few years ago I stumbled across an original tempest machine in working condition,Having played MAME boxes for a couple of decades it was very strangeThe smoothness of play on a vector scan CRT and ... | 1,760,371,863.855125 | ||
https://hackaday.com/2024/07/05/this-week-in-security-hide-yo-ssh-polyfill-and-packing-it-up/ | This Week In Security: Hide Yo SSH, Polyfill, And Packing It Up | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"RegreSSHion",
"ssh",
"This Week in Security"
] | The big news this week was that
OpenSSH has an unauthorized Remote Code Execution exploit
. Or more precisely, it had one that was fixed in 2006, that was unintentionally re-introduced in version 8.5p1 from 2021. The flaw is a signal handler race condition, where async-unsafe code gets called from within the SIGALARM h... | 9 | 3 | [
{
"comment_id": "6773485",
"author": "Gravis",
"timestamp": "2024-07-05T18:14:57",
"content": "“This Week In Security” is my favorite weekly post. I look forward to next week. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6773500",
"author": "The... | 1,760,371,863.907053 | ||
https://hackaday.com/2024/07/05/toyota-heater-switches-learn-new-tricks/ | Toyota Heater Switches Learn New Tricks | Tom Nardi | [
"car hacks",
"Microcontrollers"
] | [
"automotive",
"heater controller",
"reverse engineering",
"Teensy 3.2",
"toyota"
] | The look, the feel, the sound — there are few things more satisfying in this world than a nice switch. If you’re putting together a device that you plan on using frequently, outfitting it with high-quality switches is one of those things that’s worth the extra cost and effort.
So we understand completely why
[STR-Alorm... | 32 | 7 | [
{
"comment_id": "6773404",
"author": "Zoe Nagy",
"timestamp": "2024-07-05T11:58:29",
"content": "Would be great to see a hack on those subscription seat heaters.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6773457",
"author": "Dude",
"time... | 1,760,371,863.980597 | ||
https://hackaday.com/2024/07/05/how-to-turn-cheap-speakers-into-something-a-little-better/ | How To Turn Cheap Speakers Into Something A Little Better | Jenny List | [
"home entertainment hacks"
] | [
"speaker",
"speaker cabinet",
"transmission line"
] | [Adam Francis] bought some cheap speaker drivers from AliExpress. Are they any good? Difficult to tell without a set of enclosures for them, so he made a set of transmission line cabinets.
The resulting video
proves that a decent sounding set of speakers shouldn’t have to cost the earth, and is quite entertaining to wa... | 25 | 5 | [
{
"comment_id": "6773371",
"author": "shinsukke",
"timestamp": "2024-07-05T08:51:55",
"content": "Surely, there must be a commercially available product which includes a decent microphone (or array of them) which plays test sounds from a DUT speaker to profile its frequency response and create an eq... | 1,760,371,864.044825 | ||
https://hackaday.com/2024/07/04/useless-robot-gets-cute-has-personality/ | Useless Robot Gets Cute, Has Personality | Donald Papp | [
"Robots Hacks"
] | [
"kawaii",
"useless machine",
"useless robot"
] | Useless robots (or useless machines) are devices that, when switched on, exist only to turn themselves back off. They are fun and fairly simple builds that are easy to personify, and really invite customization by their creators. Even so, [tobychui]’s
Kawaii Useless Robot
goes above and beyond in that regard. Not only ... | 4 | 3 | [
{
"comment_id": "6773366",
"author": "Dan",
"timestamp": "2024-07-05T08:15:17",
"content": "What kind of monster keeps flicking the switch on that poor machine? It clearly doesn’t like it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6773390",
"author": ... | 1,760,371,865.006762 | ||
https://hackaday.com/2024/07/03/the-workstation-you-wanted-in-1990-in-your-pocket/ | The Workstation You Wanted In 1990, In Your Pocket | Jenny List | [
"Retrocomputing"
] | [
"DEC",
"DECstation",
"DECWindows",
"ULTRIX"
] | Years ago there was a sharp divide in desktop computing between the mundane PC-type machines, and the so-called workstations which were the UNIX powerhouses of the day. A lot of familiar names produced these high-end systems, including the king of the minicomputer world, DEC. The late-80s version of their DECstation li... | 59 | 20 | [
{
"comment_id": "6773019",
"author": "ieb",
"timestamp": "2024-07-04T06:38:33",
"content": "Early 90s? The higher end DEC machines were there and above. (source: father worked at dec mosshill at the time)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "677303... | 1,760,371,864.517041 | ||
https://hackaday.com/2024/07/03/a-trip-down-electronic-toy-memory-lane/ | A Trip Down Electronic Toy Memory Lane | Al Williams | [
"Toy Hacks"
] | [
"kits",
"nostalgia",
"toys"
] | Like many of us, [MIKROWAVE1] had a lot of electronic toys growing up. In a video you can watch below, he asks the question: “
Did electronic toys influence your path?
” Certainly, for us, the answer was yes.
The CB “base station” looked familiar although ours was marked “General Electric.” Some of us certainly had thi... | 46 | 25 | [
{
"comment_id": "6772970",
"author": "Kuli Phex",
"timestamp": "2024-07-04T02:08:45",
"content": "Oh WOW… I had that very 150-in-1 Radio Shack kit. I recall wiring up the relay to act as an oscillator/buzzer, and discovered that the inductive back EMF could give you a mild shock if you ran it off t... | 1,760,371,864.315032 | ||
https://hackaday.com/2024/07/03/vhf-uhf-antennas-the-bad-the-ugly-and-the-even-worse/ | VHF/UHF Antennas, The Bad, The Ugly, And The Even Worse | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"ham radio"
] | When you buy a cheap ham radio handy-talkie, you usually get a little “rubber ducky” antenna with it. You can also buy many replacement ones that are at least longer. But how good are they? [Learnelectronics] wanted to know, too, so he broke out his NanoVNA and found out that
they were all bad
, although some were wors... | 69 | 21 | [
{
"comment_id": "6772956",
"author": "KenN",
"timestamp": "2024-07-03T23:09:38",
"content": "I’m willing to bet that most of those cheap VHF/UHF handhelds are bought globally by small businesses for cheap short-range communications, mostly at UHF, so the stock antennae are usually adequate. Hams i... | 1,760,371,864.418041 | ||
https://hackaday.com/2024/07/03/responsive-lcd-backlights-with-a-little-lateral-thinking/ | Responsive LCD Backlights With A Little Lateral Thinking | Jenny List | [
"home entertainment hacks"
] | [
"backlight",
"lcd",
"led backlight"
] | LCD televisions are a technological miracle, but if they have an annoying side it’s that some of them are a bit lacklustre when it comes to displaying black. [Mousa] has a solution,
involving a small LCD and a bit of lateral thinking
.
These screens work by the LCD panel being placed in front of a bright backlight, and... | 23 | 15 | [
{
"comment_id": "6772934",
"author": "db",
"timestamp": "2024-07-03T20:42:48",
"content": "This type of lateral thinking is sadly under appreciated. Analogue control for the win!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6772943",
"author": "victor ma... | 1,760,371,864.758989 | ||
https://hackaday.com/2024/07/03/floss-weekly-episode-790-better-bash-scripting-with-amber/ | FLOSS Weekly Episode 790: Better Bash Scripting With Amber | Jonathan Bennett | [
"Hackaday Columns",
"Linux Hacks",
"Podcasts",
"Slider"
] | [
"Amber",
"bash",
"FLOSS Weekly"
] | This week
Jonathan Bennett
and
Dan Lynch
chat with
Paweł Karaś
about Amber, a modern scripting language that compiles into a Bash script. Want to write scripts with built-in error handling, or prefer strongly typed languages? Amber may be for you!
–
https://github.com/Ph0enixKM/Amber
–
https://amber-lang.com/
–
https:/... | 8 | 5 | [
{
"comment_id": "6773356",
"author": "chargen",
"timestamp": "2024-07-05T07:16:52",
"content": "This is so good. Why stop here why don’t we check for generic SoC opcodes and byt the way supergood show",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6773374",
... | 1,760,371,864.696223 | ||
https://hackaday.com/2024/07/03/usb-and-the-myth-of-500-milliamps/ | USB And The Myth Of 500 Milliamps | Arya Voronova | [
"Hackaday Columns",
"News",
"Slider"
] | [
"current limiting",
"usb",
"usb charging",
"USB-PD",
"usb3"
] | If you’re designing a universal port, you will be expected to provide power. This was a lesson learned in the times of LPT and COM ports, where factory-made peripherals and DIY boards alike had to pull peculiar tricks to get a few milliamps, often tapping data lines. Do it wrong, and a port will burn up – in the best c... | 92 | 12 | [
{
"comment_id": "6772910",
"author": "Pat",
"timestamp": "2024-07-03T18:17:34",
"content": "“Having a dedicated power rail on your connector simply solves this problem. We might’ve never gotten DB-11 and DB-27,”We *did* actually get mixed power/data D-subs: they’re called “mixed contact D subminiatu... | 1,760,371,864.906578 | ||
https://hackaday.com/2024/07/03/retrotechtacular-the-tools-and-dies-which-made-mass-production-possible/ | Retrotechtacular: The Tools And Dies That Made Mass Production Possible | Jenny List | [
"Engineering",
"Retrotechtacular"
] | [
"machining",
"tool and die",
"vintage machining"
] | Here at Hackaday we’re suckers for vintage promotional movies, and we’ve brought you quite a few over the years. Their boundless optimism and confidence in whatever product they are advancing is infectious, even though from time to time with hindsight we know that to have been misplaced.
For once though the subject of ... | 15 | 6 | [
{
"comment_id": "6772882",
"author": "shinsukke",
"timestamp": "2024-07-03T15:48:52",
"content": "In biology there are many theories which are attributed to the evolution of humans. Fire for cooking food and increased protein leading to more intelligent brains, etc etc. I add another one to the mix,... | 1,760,371,865.132292 | ||
https://hackaday.com/2024/07/04/cavity-filters-the-black-art-you-have-a-chance-of-pursuing/ | Cavity Filters, The Black Art You Have A Chance Of Pursuing | Jenny List | [
"News",
"Radio Hacks"
] | [
"cavity filter",
"filter",
"RF",
"tuned circuit"
] | A tuned circuit formed by a capacitor and an inductor is a familiar enough circuit, and it’s understood that it will resonate at a particular frequency. As that frequency increases, so the size of the capacitor and inductor decrease, and there comes a point at which they can become the characteristic capacitance and in... | 12 | 7 | [
{
"comment_id": "6773328",
"author": "Cad the Mad",
"timestamp": "2024-07-05T03:17:33",
"content": "My first job out of college was at an aerospace waveguide manufacturer and I got to play with these kinds of filters for a few tests.Absolute witchcraft.",
"parent_id": null,
"depth": 1,
"... | 1,760,371,864.9567 | ||
https://hackaday.com/2024/07/04/shapeways-files-for-bankruptcy/ | Shapeways Files For Bankruptcy | Elliot Williams | [
"News"
] | [
"bankruptcy",
"news",
"shapeways"
] | One of the earliest hobbyist-friendly on-demand 3D printing and fabrication shops, Shapeways,
is filing for bankruptcy
. As these financial arrangements always go,
this may or may not mean the end of the service
, but it’s a sure sign that their business wasn’t running as well as you’d hope.
One of the standout feature... | 37 | 13 | [
{
"comment_id": "6773284",
"author": "irox",
"timestamp": "2024-07-04T23:20:23",
"content": "Noooooooo! Hope they survive. They are a great way of creating fire-and-forget parts for communities. Anybody can order the no-longer-available window sleeve clip I designed which is essential for keeping ... | 1,760,371,865.077113 |
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