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https://hackaday.com/2024/09/07/building-a-diy-msx-mega-cartridge/ | Building A DIY MSX Mega Cartridge | Dave Rowntree | [
"Retrocomputing"
] | [
"cartridge",
"mapper",
"msx",
"retrocomputing"
] | [Mike] from Leaded Solder has a soft spot for old computers, and a chance encounter with a friend sent them deep down the deep hole that is the world of 80s and 90s-era Japanese home computers. Many people playing with these machines have all kinds of issues to deal with, such as rotting cartridges, failing components... | 9 | 4 | [
{
"comment_id": "8001304",
"author": "Skeptic dude",
"timestamp": "2024-09-08T02:39:16",
"content": "The MSX isn’t a well-known platform in the WestYou mean in the US, the MSX architecture was very popular in some Western countries: Spain and the Netherlands in Europe, Brazil and Argentina in South ... | 1,760,371,800.556405 | ||
https://hackaday.com/2024/09/07/rendering-skin-transparent-using-the-food-dye-tartrazine/ | Rendering Skin Transparent Using The Food Dye Tartrazine | Maya Posch | [
"Science"
] | [
"food dye",
"refractive index",
"tartrazine"
] | Although we generally assume that opacity is the normal look for animals like us humans, this factoid is only correct for as long as you maintain the dissimilar optical refraction indices of skin and the more aqueous underlying structures. What if you could change the refraction index of skin? If you could prevent the ... | 21 | 6 | [
{
"comment_id": "7997859",
"author": "Dave",
"timestamp": "2024-09-07T23:31:06",
"content": "Sunburnt intestines! (or at least fat)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8039464",
"author": "psuedonymous",
"timestamp": "2024-09-12T15... | 1,760,371,800.815144 | ||
https://hackaday.com/2024/09/07/get-thee-to-git/ | Get Thee To Git | Al Williams | [
"Software Development"
] | [
"Git",
"software",
"version control"
] | While version control used to be reserved for big corporate projects, it is very mainstream these days. You can attribute much of that to Git, the software that has nearly displaced other version control. Git works well, it is versatile, and it scales well. It is easy to use as an individual developer or as part of a w... | 21 | 9 | [
{
"comment_id": "7994873",
"author": "irox",
"timestamp": "2024-09-07T21:09:29",
"content": "While version control used to be reserved for big corporate projects, it is very mainstream these days.RCS was available to all in the early ’80s, CVS was released in the early ’90s. From my experience, by t... | 1,760,371,800.445022 | ||
https://hackaday.com/2024/09/09/doom-on-a-volumetric-display/ | DOOMOn A Volumetric Display | Dave Rowntree | [
"classic hacks",
"Games"
] | [
"3d",
"doom",
"volumetric",
"volumetric display"
] | There’s something magical about volumetric displays. They really need to be perceived in person, and no amount of static or video photography will ever do them justice. [AncientJames] has built a few, and we’re reporting on his progress, mostly because he got it to run
a playable port of
DOOM
.
Base view of an earlier ... | 15 | 9 | [
{
"comment_id": "8024976",
"author": "Eric",
"timestamp": "2024-09-10T02:17:34",
"content": "But can it run Crysis?Kidding aside, cool concept! I wonder if it’s possible to scale up the LED display to give a fuller look with more solid wall?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,371,801.07618 | ||
https://hackaday.com/2024/09/09/pc-floppy-copy-protection-softguard-superlok/ | PC Floppy Copy Protection: Softguard Superlok | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"copy protection",
"reverse engineering"
] | Many have sought the holy grail of making commercial media both readable and copy-proof, especially once everyone began to copy those floppies. One of these attempts to make floppies copy-proof was
Softguard’s Superlok
. This in-depth look at this copy protection system by [GloriousCow] comes on the heels of a part one... | 16 | 9 | [
{
"comment_id": "8025073",
"author": "JFOC",
"timestamp": "2024-09-10T02:33:30",
"content": "This kind protections is popular on 80s&90s. I was able pass these kind protection at that time for testing purpose",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "80... | 1,760,371,800.617107 | ||
https://hackaday.com/2024/09/09/this-tiny-steam-engine-takes-a-watchmakers-skill-to-build/ | This Tiny Steam Engine Takes A Watchmaker’s Skill To Build | Dan Maloney | [
"Parts"
] | [
"Carbide",
"horology",
"HSS",
"lathe",
"micromachining",
"steam",
"steam engine",
"watchmaker"
] | When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know
you’re building something really, really tiny
.
All of the usual tiny superlatives and comparisons apply to [Chronova Engineering]’s latest effort — fits on a pencil eraser, don’t sneeze while you’re w... | 30 | 13 | [
{
"comment_id": "8023297",
"author": "Andrzej",
"timestamp": "2024-09-09T20:18:02",
"content": "I wonder how many times he dropped it and had to start from the beginning.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8024024",
"author": "Drone",
... | 1,760,371,800.688119 | ||
https://hackaday.com/2024/09/09/one-giant-steppe-for-space-flight/ | One Giant Steppe For Space Flight | Michael Shaub | [
"Space"
] | [
"aerospace",
"cosmonaut",
"entry descent landing",
"Soyuz",
"space flight",
"The New Yorker"
] | In a recent
photo essay for the New Yorker magazine
, author Keith Gessen and photographer Andrew McConnell share what life is like for the residents around the launch facility and where Soyuz capsules land in Kazakhstan.
Read the article for a brief history of the Baikonur spaceport and observations from the photograp... | 16 | 8 | [
{
"comment_id": "8022871",
"author": "Doug",
"timestamp": "2024-09-09T18:45:19",
"content": "It’s a shame that you can’t look at the photo essay because the New Yorker requires a subscription to access the article. Booo, Hissss",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,800.749149 | ||
https://hackaday.com/2024/09/09/supercon-2023-ben-combee-and-the-hackers-guide-to-audio-video-formats/ | Supercon 2023: Ben Combee And The Hacker’s Guide To Audio/Video Formats | Lewin Day | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2023 Hackaday Supercon",
"audio",
"format",
"latency",
"media",
"mp4",
"video",
"wav"
] | Media formats have come a long way since the early days of computing. Once upon a time, the very idea of even playing live audio was considered a lofty goal, with home computers instead making do with simple synthesizer chips instead. Eventually, though, real audio became possible, and in turn, video as well.
But what ... | 8 | 4 | [
{
"comment_id": "8024227",
"author": "Drone",
"timestamp": "2024-09-09T23:29:38",
"content": "@Lewin Day said: “But what of the formats in which we store this media? Today, there are so many—from MP3s to MP4s, old-school AVIs to modern *.h264s. Senior software engineer Ben Combee came down to the 20... | 1,760,371,800.922903 | ||
https://hackaday.com/2024/09/09/the-science-of-coating-steel/ | The Science Of Coating Steel | Al Williams | [
"Parts",
"Science"
] | [
"corrosion",
"parkerization",
"steel"
] | [Breaking Taps] has a look at “
parkerization
” — a process to coat steel to prevent rust. While you commonly see this finish in firearms, it is usable anywhere you need some protection for steel parts. The process is relatively easy. It does require heat and a special manganese solution made for the purpose. You scuff... | 6 | 5 | [
{
"comment_id": "8021878",
"author": "Harvie.CZ",
"timestamp": "2024-09-09T15:47:05",
"content": "I am not saying this is exact same process as blueing. But seems quite similar (maybe except for the fact blueing uses iron oxide crystals instead of phosphate crystals). Are there any practical differe... | 1,760,371,800.506368 | ||
https://hackaday.com/2024/09/09/reinforcing-plastic-polymers-with-cellulose-and-other-natural-fibers/ | Reinforcing Plastic Polymers With Cellulose And Other Natural Fibers | Maya Posch | [
"Current Events",
"Featured",
"Interest",
"News",
"Slider"
] | [
"3d printer filament",
"cellulose",
"composite filament",
"FDM"
] | While plastics are very useful on their own, they can be much stronger when reinforced and mixed with a range of fibers. Not surprisingly, this includes the thermoplastic polymers which are commonly used with FDM 3D printing, such as polylactic acid (PLA) and polyamide (PA, also known as nylon). Although the most well-... | 10 | 5 | [
{
"comment_id": "8021656",
"author": "paulvdh",
"timestamp": "2024-09-09T15:13:59",
"content": "Reinventing HPL?But the resins used there are not very friendly for the environment (which also makes it long lasting). I sort of like the idea of natural fiber reinforced PLA.Recently I also read some sn... | 1,760,371,800.867067 | ||
https://hackaday.com/2024/09/05/i2c-for-hackers-digging-deeper/ | I2C For Hackers: Digging Deeper | Arya Voronova | [
"Hackaday Columns",
"Microcontrollers",
"Peripherals Hacks"
] | [
"howto",
"i2c"
] | Last time, I gave you
an overview of what you get from I2C
, basics like addressing, interface speeds, and a breakdown of pullups. Today, let’s continue looking into I2C capabilities and requirements – level shifting, transfer types, and quirks like combined transfers or clock stretching.
Level Shifting
Today, the over... | 20 | 5 | [
{
"comment_id": "7962574",
"author": "Danjovic",
"timestamp": "2024-09-05T14:26:19",
"content": "The first time I had to deal with clock stretching was when I was interfacing knoxkoff wii nunchuck controllers with a PIC microcontroller.It took me a while to realize the problem and after that I was s... | 1,760,371,801.14599 | ||
https://hackaday.com/2024/09/05/getting-root-on-cheap-wifi-repeaters-the-long-way-around/ | Getting Root On Cheap WiFi Repeaters, The Long Way Around | Dan Maloney | [
"Network Hacks",
"Reverse Engineering"
] | [
"curl",
"CVE",
"linux",
"openwrt",
"RCE",
"remote code execution",
"ssh",
"uart",
"wifi repeater"
] | What can you do with a cheap Linux machine with limited flash and only a single free GPIO line? Probably not much, but sometimes,
just getting root to prove you can
is the main goal of a project. If that happens to lead somewhere useful, well, that’s just icing on the cake.
Like many interesting stories, this one start... | 13 | 6 | [
{
"comment_id": "7961249",
"author": "ono",
"timestamp": "2024-09-05T12:02:36",
"content": "Great, I hope more people will get their hands dirty with buildroot or yocto to own those cheap appliances !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7961491",
... | 1,760,371,801.430549 | ||
https://hackaday.com/2024/09/05/tactile-communication-board-speaks-the-truth/ | Tactile Communication Board Speaks The Truth | Kristina Panos | [
"Lifehacks"
] | [
"AAC",
"ASSISTIVE TECH",
"assistive technology",
"augementative alternative communication board",
"Circuit Python",
"CircuitPython"
] | Sometimes, simple things can make a world of difference. Take for example a non-verbal person who can’t necessarily control a touch screen in order to tell someone else what they need or want or think.
This is where Augmentative and Alternative Communication (AAC) devices come in. Recently tasked with building such a d... | 17 | 8 | [
{
"comment_id": "7961059",
"author": "Cheese Whiz",
"timestamp": "2024-09-05T11:36:53",
"content": "That is a nice looking build! I am wondering though, for some of the simple words or phrases like, “goodbye” or “thank you”, would it not be better to use sign language/gestures and save the board ti... | 1,760,371,801.294175 | ||
https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/ | How Sony Mastered The Transistor | Al Williams | [
"Radio Hacks"
] | [
"history",
"sony",
"transistor radio"
] | When you think of Sony, you probably think of a technology company that’s been around forever. However, as [Asianometry] points out, it
really formed in the tough years after World War II
. The two people behind the company’s formation were an interesting pair. One of them was a visionary engineer and one was a consumm... | 35 | 10 | [
{
"comment_id": "7957941",
"author": "DV Henkel-Wallace",
"timestamp": "2024-09-05T05:34:26",
"content": "A great Sony transistor story: in the 1960s Sony invented a very small transistor radio. So small it was portable! They wanted to emphasize how small it was so they decided to sell it in Ameri... | 1,760,371,801.36894 | ||
https://hackaday.com/2024/09/04/floorboard-is-a-keyboard-for-your-feet/ | Floorboard Is A Keyboard For Your Feet | Kristina Panos | [
"Arduino Hacks",
"Peripherals Hacks"
] | [
"arduino",
"atmega32u4",
"foot keyboard",
"stomp switch"
] | Whether you have full use of your hands or not, a foot-operated keyboard is a great addition to any setup. Of course, it has to be a lot more robust than your average finger-operated keyboard, so
building a keyboard into an existing footstool is a great idea
.
When [Wingletang]’s regular plastic footrest finally gave u... | 8 | 4 | [
{
"comment_id": "7957425",
"author": "Kdawg",
"timestamp": "2024-09-05T04:37:33",
"content": "Maybe one could use a foot tap then type in control to access the control panel that’s been baffling hack a day writers for a couple days now",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,801.230812 | ||
https://hackaday.com/2024/09/04/humble-555-gets-a-boost-for-esr-meter/ | Humble 555 Gets A Boost For ESR Meter | Al Williams | [
"Misc Hacks"
] | [
"555",
"ESR"
] | [Peter Demchenko] wanted to use a low power TS555 in an ESR meter design. The problem is, he needed to handle significant current sink requirements for cases where the capacitor under test had a low ESR. The
TS555 wasn’t up to the task
.
However, [Peter] made an interesting observation. the output pin of the device can... | 6 | 3 | [
{
"comment_id": "7955326",
"author": "Kelly",
"timestamp": "2024-09-05T01:17:38",
"content": "No mention of the actual test current and 12V is a lot for compliance voltage, no in-circuit testing for this meter. Many ESR meters use a transformer to achieve high test-current and diode-clamp for low pu... | 1,760,371,801.585801 | ||
https://hackaday.com/2024/09/04/the-worsening-raspberry-pi-rp2350-e9-erratum-situation/ | The Worsening Raspberry Pi RP2350 E9 Erratum Situation | Maya Posch | [
"Microcontrollers",
"Raspberry Pi"
] | [
"erratum",
"raspberry pi",
"rp2350"
] | There’s currently a significant amount of confusion around the full extent of the GPIO hardware issue in the Raspberry Pi RP2350 microcontroller, with [Ian] over at [Dangerous Prototypes] of Bus Pirate fame mentioning that deliveries of the RP2350-based Bus Pirate 5XL and 6
have been put on hold
while the issue is furt... | 48 | 15 | [
{
"comment_id": "7949002",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2024-09-04T20:33:00",
"content": "Was Crowdstrike involved with the 2350s release?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7961187",
"author": "Timo",... | 1,760,371,801.969484 | ||
https://hackaday.com/2024/09/06/an-automatic-cat-feeder-built-with-a-4060-binary-counter/ | An Automatic Cat Feeder Built With A 4060 Binary Counter | Lewin Day | [
"Misc Hacks"
] | [
"4060",
"4060 binary counter",
"cat",
"cat feeder",
"pet",
"pet feeder",
"pets"
] | We’ve seen a great many cat feeders over the years. Some rely on the Internet of Things, and some rely on fancy microcontrollers. [Larry Cook], on the other hand,
built his using a simple 4060 binary counter chip.
The feeder is built out of old plywood, and the whole thing runs off an old 12-volt DC wall wart and a lea... | 15 | 6 | [
{
"comment_id": "7984810",
"author": "Jan",
"timestamp": "2024-09-06T20:26:07",
"content": "You can use a 4060 counter but should use an MCU.You can pull screws with a coin but should use a screwdriver.Use the right tool for the jobb.And absolutely not a 555.",
"parent_id": null,
"depth": 1,... | 1,760,371,801.642875 | ||
https://hackaday.com/2024/09/06/how-much-resolution-does-film-really-have/ | How Much Resolution Does Film Really Have? | Lewin Day | [
"digital cameras hacks"
] | [
"analog film",
"camera",
"film",
"photo",
"photography"
] | Have you ever scanned old negatives or print photographs? Then you’ve probably wondered about the resolution of your scanner, versus the resolution of what you’re actually scanning. Or maybe, you’ve looked at digital cameras, and wondered how many megapixels make up that 35mm film shot. Well [ShyStudios] has been ponde... | 31 | 14 | [
{
"comment_id": "7983885",
"author": "Tonton",
"timestamp": "2024-09-06T18:55:37",
"content": "Twenty years ago SMPTE performed extensive testing about thematter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7984035",
"author": "craig",
"timestamp": ... | 1,760,371,801.861436 | ||
https://hackaday.com/2024/09/06/ask-hackaday-whats-next/ | Ask Hackaday, What’s Next? | Jenny List | [
"Current Events",
"Featured",
"Interest"
] | [
"future",
"technology",
"what's next"
] | Writing for Hackaday involves drinking from the firehose of tech news, and seeing the latest and greatest of new projects and happenings in the world of hardware. But sometimes you sit back in a reflective mood, and ask yourself:
didn’t this all used to be more exciting?
If you too have done that, perhaps it’s worth co... | 39 | 18 | [
{
"comment_id": "7982858",
"author": "shinsukke",
"timestamp": "2024-09-06T17:21:11",
"content": "The wonder has gone because we have access to all info all the time, and even info that we don’t want to know, or haven’t had the opportunity to think about.Creativity stems from boredom, as does curios... | 1,760,371,801.732948 | ||
https://hackaday.com/2024/09/06/hackaday-podcast-episode-287-raspberry-pi-woes-blacker-than-black-and-printing-with-klipper/ | Hackaday Podcast Episode 287: Raspberry Pi Woes, Blacker Than Black, And Printing With Klipper | Al Williams | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Elliot Williams is back from vacation, and he and Al Williams got together to talk about the best Hackaday posts from the last week. Of course, the Raspberry Pi RP2350 problem generated a bit of discussion.
On a lighter note, they saw laser lawn care, rooting WiFi devices, and some very black material made from wood. N... | 0 | 0 | [] | 1,760,371,801.78277 | ||
https://hackaday.com/2024/09/06/an-electric-skateboard-for-the-dogs/ | An Electric Skateboard For The Dogs | Navarre Bartz | [
"Transportation Hacks"
] | [
"accessibility",
"adaptive device",
"dog",
"electric skateboard",
"lego",
"lego technic",
"simone giertz",
"skateboard"
] | What’s a dog to do if they want to do some accessible skateboarding? [Simone Giertz]’s three-legged pup, [Scraps], got the chance to
try a LEGO Technic board for her thrills
.
This electric LEGO skateboard features six motors and paw pedals to let [Scraps] steer while [Giertz] remotely controls the speed of the board. ... | 1 | 1 | [
{
"comment_id": "7981540",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-06T15:20:13",
"content": "Excellent video! A great way to start my day!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,802.012943 | ||
https://hackaday.com/2024/09/06/this-week-in-security-eucleak-revival-hijack-and-more/ | This Week In Security: EUCLEAK, Revival Hijack, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"EUCLEAK",
"Revival Hijack",
"This Week in Security"
] | [Thomas Roche] of NinjaLab is out with
EUCLEAK
, (
pdf
) a physical attack against Infineon security microcontrollers, and the security tokens that contain them. The name is a portmanteau of Euclidean and leak. And no surprise, it’s a data leak in some implementations of the Extended Euclidean Algorithm (EEA), a compon... | 5 | 4 | [
{
"comment_id": "7981214",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-06T14:21:57",
"content": "So, TPM doesn’t just stand for Tire Pressure Monitor.https://www.tomsguide.com/news/what-is-a-tpm-and-heres-why-you-need-it-for-windows-11",
"parent_id": null,
"depth":... | 1,760,371,802.05778 | ||
https://hackaday.com/2024/09/06/3d-print-yourself-these-mini-workshop-tools/ | 3D Print Yourself These Mini Workshop Tools | Lewin Day | [
"Tool Hacks"
] | [
"3d printed",
"3d printer",
"brushed motor",
"Machine tool",
"machine tools",
"tools"
] | Kitting out a full workshop can be expensive, but if you’re only working on small things, it can also be overkill. Indeed, if your machining tends towards the miniature, consider building yourself a series of tiny machines like [KendinYap] did. In the video below, you can see the miniature
electric sander
,
table saw
,... | 28 | 9 | [
{
"comment_id": "7980315",
"author": "Jeffers",
"timestamp": "2024-09-06T11:45:01",
"content": "If you like these, this person also makes mini tools but uses pvc pipe that they heat up and flatten!https://youtu.be/Z6JvAZHJCAo?si=JRJ1lLjfP5wL7b1H",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,802.270377 | ||
https://hackaday.com/2024/09/06/jump-cacti-with-an-ldr-and-a-pico/ | Jump Cacti With An LDR And A Pico | Kristina Panos | [
"Games",
"Raspberry Pi"
] | [
"CdS cell",
"Google Chrome",
"ldr",
"light dependent resistor",
"offline dinosaur",
"photoresistor",
"Raspberry Pi Pico",
"t. rex game"
] | By now, probably everyone is familiar with the “You’re Offline” dinosaur that stars in Google’s T. Rex game. You know — jump cacti, avoid pterodactyls. Repeat until you lose, or, we suppose, make the leaderboard. Well, what if you theoretically couldn’t lose? That’s kind of the idea behind
[Bas BotBerg]’s cactus detect... | 6 | 5 | [
{
"comment_id": "7980890",
"author": "CMH62",
"timestamp": "2024-09-06T13:13:51",
"content": "Life is simply too short to have to jump cacti and pterodactyls on your own!Love the project and story. :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7980937",
... | 1,760,371,802.104105 | ||
https://hackaday.com/2024/09/05/build-yourself-a-beautiful-interactive-light-toy/ | Build Yourself A Beautiful Interactive Light Toy | Lewin Day | [
"LED Hacks"
] | [
"addressable leds",
"arduino",
"arduino mega",
"diffuser",
"glowable",
"glowables",
"led",
"leds",
"light",
"light toy"
] | Sometimes, we build things with LEDs as indicator lamps or to illuminate something important. Sometimes, we build things with LEDs purely to glow and be beautiful.
This interactive light toy from [Jens] falls into the latter category.
The build uses a 16×16 addressable LED matrix. [Jens] then ported some “Bouncy Bubbl... | 7 | 1 | [
{
"comment_id": "7978665",
"author": "jpa",
"timestamp": "2024-09-06T08:27:39",
"content": "The diffusion is very nice, but the movement feels a bit jumpy. Maybe some anti-aliasing between neighboring LEDs would help?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,802.318243 | ||
https://hackaday.com/2024/09/05/build-a-super-cheap-rc-trainer-plane-with-foam/ | Build A Super Cheap RC Trainer Plane With Foam | Lewin Day | [
"Misc Hacks"
] | [
"foam",
"plane",
"radio control",
"rc plane",
"rc trainer",
"trainer",
"trainer plane"
] | Once upon a time, RC planes were expensive models that took months to build and big money to equip with electronics. Since the 20th century though, powerful batteries have become cheap, as have servos and radio controllers. Combine them with a bit of old packing material and
you can get a little RC trainer up and runni... | 20 | 7 | [
{
"comment_id": "7976112",
"author": "H Hack",
"timestamp": "2024-09-06T04:33:50",
"content": "My basic trainer setup (all included) in the mid 90s was about $500, back then.Easily one of the the most fun per dollar spent though.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,802.425291 | ||
https://hackaday.com/2024/09/05/its-spreadsheets-all-the-way-down-for-this-80s-handheld/ | It’s Spreadsheets All The Way Down For This 80s Handheld | Bryan Cockfield | [
"Retrocomputing"
] | [
"80's",
"cassette",
"convergent",
"lcd",
"modem",
"programming",
"retrocomputing",
"spreadsheet",
"turing incomplete",
"workslate"
] | Unlike the today’s consumer computer market, the 1980s were the wild west in comparison. There were all kinds of different, incompatible operating systems, hardware, and programs, all competing against one another, and with essentially no networking to tie everything together. Some of these products were incredibly nic... | 9 | 5 | [
{
"comment_id": "7974910",
"author": "Ian",
"timestamp": "2024-09-06T02:56:58",
"content": "Doing it with spreadsheets?That reminds me of the weird old days where we used to build truly horrendous things in Excel…I have some old character record sheets from 3.0 and 3.5 that were absolute monstrositi... | 1,760,371,802.36685 | ||
https://hackaday.com/2024/09/05/high-speed-jelly-launcher-destroys-toast/ | High-Speed Jelly Launcher Destroys Toast | Lewin Day | [
"Misc Hacks"
] | [
"condiments",
"flywheel",
"jelly launcher"
] | You shouldn’t play with your food. Unless you’re designing some kind of portable cannon to fling it across the room.
That’s precisely what [Backhaul Studios] did.
The first step of designing the condiment cannon was deciding what it should fire. Little low-profile tubs of jelly ended up being the ideal. They were stout... | 10 | 4 | [
{
"comment_id": "7969873",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-09-05T20:48:41",
"content": "I didn’t know that PCBWAY did laser cutting!Were the final tests conducted using different jelly/jam types?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,802.474145 | ||
https://hackaday.com/2024/09/05/if-wood-isnt-the-biomass-answer-what-is/ | If Wood Isn’t The Biomass Answer, What Is? | Jenny List | [
"Featured",
"Interest",
"News",
"Slider"
] | [
"biomass",
"green energy",
"wood pellets"
] | As we slowly wean ourselves away from our centuries-long love affair with fossil fuels in an attempt to reduce CO
2
emissions and combat global warming, there has been a rapid expansion across a broad range of clean energy technologies. Whether it’s a set of solar panels on your roof, a wind farm stretching across the ... | 120 | 21 | [
{
"comment_id": "7965780",
"author": "TG",
"timestamp": "2024-09-05T17:11:38",
"content": "The worst issue with nuclear is it actually solves the problem and then you wouldn’t be able to generate jobs and salaries in a giant interconnected NGO network for generations, a climate-academic-industrial c... | 1,760,371,802.779249 | ||
https://hackaday.com/2024/09/05/launching-model-airplanes-with-a-custom-linear-induction-motor/ | Launching Model Airplanes With A Custom Linear Induction Motor | Maya Posch | [
"Science"
] | [
"airplane launcher",
"electromagnetic",
"launcher",
"linear induction motor"
] | Launching things with electromagnetism is pretty fun, with linear induction motors being a popular design that finds use from everywhere in
hobby designs like [Tom Stanton]’s
to the
electromagnetic launchers
on new US and Chinese aircraft carriers. Although the exact design details differ, they use magnetic attraction ... | 20 | 11 | [
{
"comment_id": "7963934",
"author": "Sok Puppette",
"timestamp": "2024-09-05T15:48:31",
"content": "How is it an induction motor?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7964728",
"author": "RunnerPack",
"timestamp": "2024-09-05T16:24... | 1,760,371,802.841876 | ||
https://hackaday.com/2024/09/04/floss-weekly-episode-799-still-open-source-at-percona/ | FLOSS Weekly Episode 799: Still Open Source At Percona | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"database",
"FLOSS Weekly"
] | This week
Jonathan Bennett
chats with Lori Lorusso and Steve Hoffman, the Head of Community and SVP of engineering at Percona, the open source database experts.
https://www.percona.com/
Did you know you can watch the live recording of the show Right on
our YouTube Channel
? Have someone you’d like us to interview? Let ... | 0 | 0 | [] | 1,760,371,802.523937 | ||
https://hackaday.com/2024/09/04/boss-byproducts-the-terrible-beauty-of-trinitite/ | Boss Byproducts: The Terrible Beauty Of Trinitite | Kristina Panos | [
"chemistry hacks",
"History"
] | [
"atomsite",
"molten glass",
"nuclear blast",
"sand",
"Trinity",
"trinity test",
"Tritinite"
] | While
some byproducts recall an idyllic piece of Americana
, others remind us that the past is not always so bright and cheerful.
Trinitite
, created unintentionally during the development of the first atomic bomb, is arguably one of these byproducts.
A Trinitite pendant. Image via
Galactic Stone
Whereas Fordite kept g... | 17 | 7 | [
{
"comment_id": "7944905",
"author": "Titus43",
"timestamp": "2024-09-04T17:09:15",
"content": "Possibly this will be the next article in the series. Definitely not safe for jewelry —>https://en.m.wikipedia.org/wiki/Chernobylite",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,802.907438 | ||
https://hackaday.com/2024/09/04/3d-printering-switch-and-klipper/ | 3D Printering: Switch And Klip(per) | Al Williams | [
"3d Printer hacks",
"Hackaday Columns"
] | [
"3d printing",
"Fluidd",
"g-code",
"klipper",
"microstepping",
"Moonraker"
] | Last time I tried to convince you that, if you haven’t already, you should
try running your 3D printer with Klipper
. There are several ways to actually make it work.
The first thing you need is something to run the Klipper host. Most people use a Raspberry Pi and if you already have one that runs OctoPrint, for exampl... | 13 | 3 | [
{
"comment_id": "7942130",
"author": "Jan Praegert",
"timestamp": "2024-09-04T14:40:46",
"content": "This might sound like an advert, but trust me, it is not. Ender 3 V3 KE is insanely cheap at ebay for Germany buyers: 183 € with a discount code. You get an impressive tool. Really. Works well. Sprin... | 1,760,371,802.968904 | ||
https://hackaday.com/2024/09/04/multi-material-printing-enables-low-cost-silicone-prototypes/ | Multi-Material Printing Enables Low Cost Silicone Prototypes | Tom Nardi | [
"Parts"
] | [
"3D printed parts",
"injection molding",
"mold",
"prototype",
"silicone"
] | While it’s the ideal choice for mass production, injection molding is simply no good for prototyping. The molds are expensive and time-consuming make, so unless you’ve got the funding to burn tens of thousands of dollars on producing new ones each time you make a tweak to your design, they’re the kind of thing you don’... | 11 | 6 | [
{
"comment_id": "7938148",
"author": "eeucalyptus",
"timestamp": "2024-09-04T11:42:18",
"content": "While the aesthetics are… okay… I really like the design and the thoughts that went into it. I use 3M’s on a daily basis, because I suck at keeping re-usables clean. But from an ecological perspective... | 1,760,371,803.025882 | ||
https://hackaday.com/2024/09/04/openscad-library-creates-qr-codes-on-the-fly/ | OpenSCAD Library Creates QR Codes On The Fly | Tom Nardi | [
"Software Hacks"
] | [
"library",
"openscad",
"part numbers",
"qr code"
] | If you’ve been reading Hackaday for awhile, you’ll know we’re big fans of OpenSCAD around these parts. There’s a number of reasons it’s a tool we often reach for, but certainly one of the most important ones is its parametric nature. Since you’re already describing the object you want to generate with code and variable... | 18 | 8 | [
{
"comment_id": "7936274",
"author": "Jan-Willem",
"timestamp": "2024-09-04T10:18:12",
"content": "This is a very cool project and it works very well! I’m a big fan of OpenSCAD which I use to build and iterate parts very quickly. It’s not too uncommon to design or edit a part and generate the g-code... | 1,760,371,803.164161 | ||
https://hackaday.com/2024/09/03/college-gives-you-practical-electronics/ | College Gives You Practical Electronics | Al Williams | [
"hardware"
] | [
"education"
] | While classroom learning isn’t for everyone, one awesome benefit of the Internet is that you have a variety of college classes available to you, even if they aren’t for credit. You can virtually audit classes from institutions around the world on just about any topic you can think of. Of course, the topic we think of i... | 28 | 9 | [
{
"comment_id": "7935686",
"author": "volt-k",
"timestamp": "2024-09-04T09:48:45",
"content": "I can’t help but cringe when I see a schematic without connecting dots AND with 4 way junctions. These are not good practices.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,371,803.096854 | ||
https://hackaday.com/2024/09/03/a-nibble-of-core-memory-in-an-sao/ | A Nibble Of Core Memory, In An SAO | Jenny List | [
"computer hacks"
] | [
"core memory",
"magnetic core",
"nibble",
"sao"
] | Core memory, magnetized memory using tiny magnetic rings suspended on a grid of wires, is now more than five decades obsolete, yet it exerts a fascination for hardware hackers still. Not least [Andy Geppert],
who’s made a nibble
, four bits of it, complete with interactive LED illumination to show state. Best of all, i... | 17 | 7 | [
{
"comment_id": "7926986",
"author": "Comedicles",
"timestamp": "2024-09-04T02:54:15",
"content": "I think there is a minor misnomer in the title. It is four 1 bit memories which can also be read serially as 4 bits. Computer core memories are made with planes of cores with as many planes as bits in ... | 1,760,371,803.265711 | ||
https://hackaday.com/2024/09/03/2024-tiny-games-contest-batch-craze-is-portable-charades-kind-of/ | 2024 Tiny Games Contest: Batch Craze Is Portable Charades, Kind Of | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"Cheap Yellow Display",
"ESP32"
] | So there’s this commercial electronic game out there called Catch Phrase, which, as the game’s own catch phrase explains, is the game that’s played one word at a time. See, a word comes up on the screen, and you have to get the other person or team to guess what it is using gestures and such before the timer goes off. ... | 0 | 0 | [] | 1,760,371,803.208177 | ||
https://hackaday.com/2024/09/03/a-clean-linux-installation-for-an-android-tv-box/ | A Clean Linux Installation For An Android TV Box | Bryan Cockfield | [
"Linux Hacks"
] | [
"android",
"Android TV",
"armbian",
"emmc",
"linux",
"microsd",
"Rockchip",
"rockchip 3566"
] | Although Android technically runs on top of Linux, generally most Android devices abstract away the underlying Linux-ness of these machines. In theory this is a good thing; we wouldn’t necessarily want to live in a world where we have to log in to a command-line interface just to make a phone call. But too much abstrac... | 22 | 7 | [
{
"comment_id": "7917109",
"author": "Gösta",
"timestamp": "2024-09-03T20:16:56",
"content": "I really like how the article explains concepts of installing Linux on a consumer TV device, and also digs into practical details and shows how to get things done. Good hack value :-)",
"parent_id": nul... | 1,760,371,803.417963 | ||
https://hackaday.com/2024/09/03/mowing-the-lawn-with-lasers-for-science/ | Mowing The Lawn With Lasers, For Science | Maya Posch | [
"green hacks",
"Laser Hacks"
] | [
"diode laser",
"laser",
"lawn mower"
] | Cutting grass with lasers works great in a test setup. (Credit: Allen Pan, YouTube)
Wouldn’t it be cool if you could cut the grass with lasers? Everyone knows that lasers are basically magic, and if you strap a diode laser or two to a lawn mower, it should slice through those pesky blades of grass with zero effort. Cue... | 34 | 15 | [
{
"comment_id": "7915220",
"author": "Jan",
"timestamp": "2024-09-03T18:41:47",
"content": "Just crazy.Like fishing with explosives.It kind of works.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7916689",
"author": "MW",
"timestamp": "2024-... | 1,760,371,803.498061 | ||
https://hackaday.com/2024/09/03/supercon-2023-teaching-robots-how-to-learn/ | Supercon 2023: Teaching Robots How To Learn | Lewin Day | [
"cons",
"Machine Learning"
] | [
"2023 Hackaday Supercon",
"algorithm",
"arduino",
"esp32s3",
"machine learning",
"reinforcement learning"
] | Once upon a time, machine learning was an arcane field, the preserve of a precious few researchers holed up in grand academic institutions. Progress was slow, and hard won. Today, however, just about anyone with a computer can dive into these topics and develop their own machine learning systems.
Shawn Hymel has been d... | 2 | 1 | [
{
"comment_id": "7914211",
"author": "could it keep learning?",
"timestamp": "2024-09-03T17:25:33",
"content": "So, once it’s in actor half mode, it is no longer able to learn but only “remembers” what it had once learned. So it will never get smarter or better.“Once trained using the actor-critic m... | 1,760,371,803.543564 | ||
https://hackaday.com/2024/09/03/a-windows-control-panel-retrospective-amidst-a-concerning-ux-shift/ | A Windows Control Panel Retrospective Amidst A Concerning UX Shift | Maya Posch | [
"Featured",
"History",
"Slider",
"Software Development"
] | [
"control panel",
"Microsoft Windows",
"user experience",
"user experience design"
] | Once the nerve center of Windows operating systems, the
Control Panel
and its multitude of applets has its roots in the earliest versions of Windows. From here users could use these configuration applets to control and adjust just about anything in a friendly graphical environment. Despite the lack of any significant c... | 154 | 27 | [
{
"comment_id": "7911291",
"author": "paulvdh",
"timestamp": "2024-09-03T14:25:30",
"content": "Yes indeed. I said farewell to windoze quite some years ago. Looking though some old notes yesterday, I discovered it was 2011. I got a free PC back then and it started with a screen full of blue rectangl... | 1,760,371,803.770387 | ||
https://hackaday.com/2024/09/03/portable-multi-sdr-rig-keeps-your-radios-cool/ | Portable Multi-SDR Rig Keeps Your Radios Cool | Tom Nardi | [
"Radio Hacks"
] | [
"3D printed enclosure",
"air cooling",
"airflow",
"RTL-SDR",
"software-defined radio"
] | With as cheap and versatile as RTL-SDR devices are, it’s a good idea to have a couple of them on hand for some rainy day hacking. In fact, depending on what signals you’re trying to sniff out of the air, you may need multiple interfaces anyway. Once you’ve amassed this arsenal of software defined radios, you may find y... | 12 | 7 | [
{
"comment_id": "7912692",
"author": "RoganDawes",
"timestamp": "2024-09-03T15:41:35",
"content": "I was under the impression that USB2 bandwidth was a limiting factor when running a single RTL-SDR, I can’t imagine a hub running several makes that any easier?",
"parent_id": null,
"depth": 1,... | 1,760,371,803.927643 | ||
https://hackaday.com/2024/09/03/3d-printed-rc-crane-has-epic-3-foot-reach/ | 3D Printed RC Crane Has Epic 3-Foot Reach | Lewin Day | [
"Toy Hacks"
] | [
"3d printed",
"crane",
"ESP32",
"miniature",
"scale model"
] | Have you ever looked out the window at traffic and seen a giant crane driving alone the road? Have you ever wanted a little 3D printed version you could drive for yourself without the risk of demolishing your neighbors house? Well,
[ProfessorBoots] has just the build for you.
The build, inspired by the Liebherr LTM 130... | 9 | 4 | [
{
"comment_id": "7904591",
"author": "C",
"timestamp": "2024-09-03T09:36:19",
"content": "Impressive. I wonder if there are electronic end stops or if there is current limit to prevent the short circuit in case the motors reach their limits.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,803.865035 | ||
https://hackaday.com/2024/09/02/building-a-stylish-iphone-standby-dock/ | Building A Stylish IPhone Standby Dock | Lewin Day | [
"3d Printer hacks"
] | [
"charger",
"dock",
"iphone",
"magsafe charger",
"phone",
"standby dock"
] | [Scott Yu-Jan] is a big fan of the iPhone’s standby mode. Put the phone on charge horizontally, and it looks all stylish, with sleek widgets and clocks and stuff showing you information you presumably care about. [Scott] enjoyed this so much, in fact,
he whipped up a custom charging dock to make the most of it.
The des... | 6 | 4 | [
{
"comment_id": "7908109",
"author": "shinsukke",
"timestamp": "2024-09-03T12:08:40",
"content": "sighI wish I was better at mechanical design. This is very cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7913566",
"author": "Sam",
"timestamp": "2... | 1,760,371,803.815476 | ||
https://hackaday.com/2024/09/02/big-benchy-is-a-boat-that-really-boats/ | Big Benchy Is A Boat That Really Boats | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"3d printer",
"Benchy",
"big benchy",
"boat",
"trolling motor"
] | Benchy is that cute little boat that everyone uses to calibrate their 3D printer. [Emily The Engineer] asked the obvious question—why isn’t it a real working boat?
Then she followed through on the execution.
Bravo, [Emily]. Bravo.
The full concept is straightforward, but that doesn’t make it any less fun. [Emily] start... | 16 | 8 | [
{
"comment_id": "7895598",
"author": "David",
"timestamp": "2024-09-03T02:15:56",
"content": "smashing a 3D-printed bottle of champagne over the hull * Benchy McBenchface",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7895697",
"author": "The Commenter For... | 1,760,371,803.980807 | ||
https://hackaday.com/2024/09/02/video-baby-monitor-repair-uncovers-private-data/ | Video Baby Monitor Repair Uncovers Private Data | Tom Nardi | [
"digital cameras hacks",
"Repair Hacks"
] | [
"baby monitor",
"digital forensics",
"firmware dump",
"firmware hacking",
"wireless camera"
] | As the name of the channel implies, [BuyItFixIt] likes to pick up cheap gadgets that are listed as broken and try to repair them. It’s a pastime we imagine many Hackaday readers can appreciate, because even if you can’t get a particular device working, you’re sure to at least learn something useful along the way.
But a... | 37 | 15 | [
{
"comment_id": "7892016",
"author": "Duh",
"timestamp": "2024-09-02T23:33:17",
"content": "The only part that should be shocking about this is that it left behind evidence of its wrongdoings. Who knows what and when things like this upload to where.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,804.181889 | ||
https://hackaday.com/2024/09/02/a-digital-replacement-for-your-magic-eye/ | A Digital Replacement For Your Magic Eye | Lewin Day | [
"classic hacks"
] | [
"magic eye",
"tube",
"tubes"
] | Magic Eye tubes were popular as tuning guides on old-school radio gear. However, the tubes, the 6U5 model in particular, have become rare and remarkably hard to come by of late. When the supply dried up,
[Bjørner Sandom] decided to build a digital alternative instead.
The build relies on a small round IPS display, meas... | 20 | 12 | [
{
"comment_id": "7888075",
"author": "Jii",
"timestamp": "2024-09-02T20:33:02",
"content": "I’ve always liked the magic eye, even though i’ve never seen one live. It is just beautiful.This is a nice replacement in lack of a real one.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,804.097197 | ||
https://hackaday.com/2024/09/02/2024-tiny-games-contest-morse-quest-goes-where-you-do/ | 2024 Tiny Games Contest: Morse Quest Goes Where You Do | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"morse code"
] | Do you know Morse code already? Or are you maybe trying to learn so you can be an old school ham? Either way, you could have a lot of fun with [felix]’s great little entry into the 2024 Tiny Games Contest —
Morse Quest
.
This minimalist text-based adventure game is played entirely in Morse code. That is, the story line... | 11 | 8 | [
{
"comment_id": "7885721",
"author": "Lucas",
"timestamp": "2024-09-02T18:46:12",
"content": "“Hackaday io tiny games chalenge” for those curious what te front says.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7885817",
"author": "_sol_",
"timestamp... | 1,760,371,804.035353 | ||
https://hackaday.com/2024/09/02/spiders-are-somehow-hacking-fireflies-to-lure-more-victims/ | Spiders Are Somehow Hacking Fireflies To Lure More Victims | Donald Papp | [
"Science"
] | [
"firefly",
"research",
"spider"
] | What happens when an unfortunate bug ends up in a spider’s web? It gets bitten and wrapped in silk, and becomes a meal. But if the web belongs to an orb-weaver and the bug is a male firefly, it seems the trapped firefly — once bitten —
ends up imitating a female’s flash pattern and luring other males
to their doom.
Fir... | 27 | 7 | [
{
"comment_id": "7879517",
"author": "Sravdar",
"timestamp": "2024-09-02T14:19:51",
"content": "Hackafirefly",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7879970",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2024-09-02T14... | 1,760,371,805.835311 | ||
https://hackaday.com/2024/09/02/the-strangest-way-to-stick-pla-to-glass-with-a-laser-and-a-bit-of-foil/ | The Strangest Way To Stick PLA To Glass? With A Laser And A Bit Of Foil | Donald Papp | [
"Laser Hacks",
"Science"
] | [
"adhesive",
"aluminum",
"glass",
"laser welding",
"PLA"
] | Ever needed a strong yet adhesive-free way to
really
stick PLA to glass? Neither have we, but nevertheless there’s
a way to use aluminum foil and an IR fiber laser
to get a solid bond with a little laser welding between the dissimilar materials.
A piece of sacrificial aluminum foil bonds the PLA to glass with a form of... | 7 | 6 | [
{
"comment_id": "7875766",
"author": "Paul",
"timestamp": "2024-09-02T11:36:45",
"content": "So, this is like reactive multi-layer foil welding(*). But, you know, without the reactive or multi-layer parts. Energy supplied by laser instead of chemistry.A lot simpler, provided at least one of your s... | 1,760,371,806.202175 | ||
https://hackaday.com/2024/09/02/ultra-black-material-sustainably-made-from-wood/ | Ultra-Black Material, Sustainably Made From Wood | Donald Papp | [
"Art",
"Science"
] | [
"art",
"black",
"plasma",
"plasma etching",
"ultra-black",
"wood"
] | Researchers at the University of British Columbia leveraged an unusual discovery into
ultra-black material made from wood
. The deep, dark black is not the result of any sort of dye or surface coating; it’s structural change to the wood itself that causes it to swallow up at least 99% of incoming light.
One of a number... | 40 | 14 | [
{
"comment_id": "7873833",
"author": "doppler",
"timestamp": "2024-09-02T08:44:17",
"content": "Nxylon is the new Black.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7878764",
"author": "Me",
"timestamp": "2024-09-02T13:51:29",
"con... | 1,760,371,806.401202 | ||
https://hackaday.com/2024/09/01/a-mini-nuc-rack-for-your-desktop/ | A Mini NUC Rack For Your Desktop | Kristina Panos | [
"computer hacks"
] | [
"acrylic",
"NUC",
"server rack",
"superglue tip"
] | We (well, some of us) are complete suckers for things that are both much smaller and much larger than life. And if that thing actually does what its supposed to?
Squee!
So naturally, we rushed to bring you news of
this mini NUC rack
designed by [Jeremy Weatherford].
Inspiration comes from a lot of places, often times f... | 16 | 6 | [
{
"comment_id": "7871317",
"author": "ytrewq",
"timestamp": "2024-09-02T05:23:00",
"content": "My 1st impression: “cool, that’s a great way to reuse a 4U wall mount rack!”.I wouldn’t use acrylic, though: it’s brittle, it easily breaks and it can be dangerous.",
"parent_id": null,
"depth": 1,... | 1,760,371,805.767973 | ||
https://hackaday.com/2024/09/01/vr-headset-with-hdmi-input-invites-a-new-kind-of-cyberdeck/ | VR Headset With HDMI Input Invites A New Kind Of Cyberdeck | Donald Papp | [
"Raspberry Pi",
"Virtual Reality"
] | [
"cyberdeck",
"pi400",
"Quest",
"raspberry pi",
"vr"
] | Meta’s Quest VR headset recently got the ability to accept and display video over USB-C, and it’s started some gears turning in folks’ heads. [Ian Hamilton] put together a quick concept machine consisting of a
Raspberry Pi 400 that uses a VR headset as its monitor
, which sure seems like the bones of a new breed of cyb... | 30 | 9 | [
{
"comment_id": "7868240",
"author": "Ian",
"timestamp": "2024-09-02T02:16:29",
"content": "This is not a “new” breed of cyberdeck. This is a NORMAL cyberdeck. One of the few cyberdecks featured here that is ACTUALLY a cyberdeck. (Or a component of…)A cyberdeck is…1. A portable general purpose compu... | 1,760,371,806.090101 | ||
https://hackaday.com/2024/09/01/hackaday-links-september-1-2024/ | Hackaday Links: September 1, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"azure",
"body camera",
"boeing",
"color",
"dystopia",
"generative AI",
"hackaday links",
"helium",
"leak",
"LLM",
"openai",
"oscilloscope",
"polive",
"software",
"SpaceX",
"Starliner",
"subscription",
"Tek",
"tektronix",
"thruster"
] | Why is it always a helium leak? It seems whenever there’s a scrubbed launch or a narrowly averted disaster, space exploration just can’t get past the problems of helium plumbing. We’ve had a bunch of helium problems lately, most famously with
the leaks in Starliner’s thruster system
that have prevented astronauts Butch... | 21 | 7 | [
{
"comment_id": "7865618",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2024-09-01T23:58:44",
"content": "“hat have prevented astronauts Butch Wilmore and Suni Williams from returning to Earth in the spacecraft,”Anybody else notice that many articles about the broken Starliner ofte... | 1,760,371,806.472837 | ||
https://hackaday.com/2024/09/01/film-as-you-have-never-had-it-explained-before/ | Film, As You Have Never Had It Explained Before | Jenny List | [
"classic hacks"
] | [
"16mm",
"3.5mm",
"film",
"movie film"
] | For all the advances in digital photography, there remains a mystique for photographers and filmmakers about chemical film. Using it presents an artistic and technical challenge, and it lends an aesthetic to your work which is difficult to find in other ways. But particularly when it comes to moving pictures, how many ... | 17 | 5 | [
{
"comment_id": "7861761",
"author": "C",
"timestamp": "2024-09-01T21:02:38",
"content": "It’s tagged 3.5mm, but that should be 35mm.Also in the video the guy says mil instead of mm. Which bugs me.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7866649",
... | 1,760,371,806.144107 | ||
https://hackaday.com/2024/09/01/3d-printed-homes-are-all-the-hype-but-what-is-their-real-impact/ | 3D Printed Homes Are All The Hype, But What Is Their Real Impact? | Maya Posch | [
"green hacks"
] | [
"3d printed house"
] | Additive manufacturing (AM) has been getting a lot of attention over the years, with its use in construction a recurring theme. Generally this brings to mind massive 3D printers that are carted to construction sites and assemble entire homes on the spot. That’s the perspective with which a
recent ZDNet article
by [Raji... | 67 | 17 | [
{
"comment_id": "7856379",
"author": "Jouni",
"timestamp": "2024-09-01T17:07:57",
"content": "What is the actual problem that they are trying to solve with 3D printed houses?Concrete slabs aren’t that expensive .. and only small part of budget what goes building a house.",
"parent_id": null,
... | 1,760,371,806.317128 | ||
https://hackaday.com/2024/09/01/swiss-researchers-may-have-solved-hydrogen-storage/ | Swiss Researchers May Have Solved Hydrogen Storage | Jenny List | [
"green hacks"
] | [
"hydrogen",
"hydron storage",
"iron oxide"
] | If you follow the world of clean energy, you will probably have read all about the so-called hydrogen future and the hydrogen economy. The gas can easily be made from water by electrolysis from green solar electricity, contains a lot of stored energy which is clean to recover, and seems like the solution to many of our... | 104 | 24 | [
{
"comment_id": "7852964",
"author": "robert",
"timestamp": "2024-09-01T14:38:40",
"content": "Hang on, this ends up storing the hydrogen as water? That means you’ll need to put just as much energy in again as you used during the initial electrolysis (ok maybe the presence of iron decreases this amo... | 1,760,371,806.631798 | ||
https://hackaday.com/2024/08/31/make-your-own-point-contact-transistor/ | Make Your Own Point Contact Transistor | Jenny List | [
"classic hacks",
"Parts"
] | [
"germanium transistors",
"point contact transistor",
"transistor"
] | Beyond the power variant, it sometimes seems as though we rarely encounter a discrete transistor these days, such has been the advance of integrated electronics. But they have a rich history, going back through the silicon era to germanium junction transistors, and thence to the original devices. if you’ve ever looked ... | 22 | 12 | [
{
"comment_id": "7813056",
"author": "GrzegorzBrzeczyszczyliewicz",
"timestamp": "2024-08-31T14:30:23",
"content": "Nice, and Polish is not so hard.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7813672",
"author": "Sok Puppette",
"timestamp": "2024-0... | 1,760,371,806.006923 | ||
https://hackaday.com/2024/08/31/universal-power-bank-customized-to-your-liking/ | Universal Power Bank Customized To Your Liking | Bryan Cockfield | [
"Battery Hacks"
] | [
"battery",
"battery bank",
"charge",
"open source",
"power",
"power bank",
"solar",
"usb",
"USB C",
"usb-a"
] | One of the most troubling trends of almost every modern consumer product that uses electricity is that the software that controls the product is likely to be proprietary and closed-source, which could be doing (or not doing) any number of things that its owner has no control over. Whether it’s a computer, kitchen appli... | 10 | 3 | [
{
"comment_id": "7813405",
"author": "Manuel L",
"timestamp": "2024-08-31T14:41:26",
"content": "I’m confused. This project is not finished and neither PCB nor code is shared.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7855374",
"author": "Tradit... | 1,760,371,806.685927 | ||
https://hackaday.com/2024/08/31/the-computer-we-all-wish-wed-had-in-the-8-bit-era/ | The Computer We All Wish We’d Had In The 8-Bit Era | Jenny List | [
"Retrocomputing"
] | [
"74-series",
"isetta",
"retargetable microcode",
"ttl"
] | The 8-bit home computers of yore that we all know and love, without exception as far as we are aware, had an off the shelf microprocessor at heart. In 1983 you were either in the Z80 camp or the 6502 camp, with only a relatively few outliers using processors with other architectures.
But what if you could have both at ... | 38 | 16 | [
{
"comment_id": "7803651",
"author": "WestfW",
"timestamp": "2024-08-31T08:37:46",
"content": "Was it “Ohio Scientific” that sold a pc with both a z80 and a 6502?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7805120",
"author": "Martin",
"t... | 1,760,371,807.317202 | ||
https://hackaday.com/2024/08/30/putting-a-pi-in-a-container/ | Putting A Pi In A Container | Bryan Cockfield | [
"Software Development"
] | [
"container",
"containerization",
"docker",
"hardware",
"image",
"raspberry pi",
"software",
"virtualization"
] | Docker and other containerization applications have changed a lot about the way that developers create new software as well as how they maintain virtual machines. Not only does containerization reduce the system resources needed for something that might otherwise be done in a virtual machine, but it standardizes the de... | 16 | 6 | [
{
"comment_id": "7801303",
"author": "Steve Balmer",
"timestamp": "2024-08-31T06:10:10",
"content": "Hnm, not sure where the ansible relation comes from, but it has nothing to do with docker. Its a way to install a system, be it docker or bare metal.Also not convinced if thats the best idea to insta... | 1,760,371,807.022622 | ||
https://hackaday.com/2024/08/30/symmetrical-gear-spins-one-way-harvesting-surrounding-chaos/ | Symmetrical Gear Spins One-Way, Harvesting Surrounding Chaos | Donald Papp | [
"Science"
] | [
"electrowetting",
"hydrophilic",
"hydrophobic",
"ratchet",
"wetting"
] | Here’s a novel ratchet mechanism developed by researchers that demonstrates how a single object — in this case a gear shaped like a six-pointed star — can rectify the disordered energy of its environment into one-way motion.
5x speed video of gear in agitated water bath.
The
Feynman–Smoluchowski ratchet
has alternating... | 12 | 7 | [
{
"comment_id": "7799162",
"author": "Paul",
"timestamp": "2024-08-31T02:14:59",
"content": "Gotta be honest here: Feynman or not, this sure smells like a Maxwell’s Demon.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7800018",
"author": "TG",
... | 1,760,371,807.076828 | ||
https://hackaday.com/2024/08/30/dual-port-ram-for-a-simple-vga-card/ | Dual-Port RAM For A Simple VGA Card | Jenny List | [
"Microcontrollers",
"Video Hacks"
] | [
"Dual Port RAM",
"vga",
"vga card"
] | Making microcontrollers produce video has long been a staple of hardware hacking, but as the resolution goes up, it becomes a struggle for less capable silicon. To get higher resolution VGA from an Arduino, [Marcin Chwedczuk] has produced
perhaps the most bulletproof solution,
to create dual-port RAM with the help of a... | 7 | 3 | [
{
"comment_id": "7800169",
"author": "Joshua",
"timestamp": "2024-08-31T04:07:48",
"content": "Um, okay. Personally, I grew up with a different kind of VGA. I must be getting old..It was an ISA graphics card with planar video. Installed in a 386 or 486 PC.VGA hardware could do mainly graphics mode 1... | 1,760,371,806.963721 | ||
https://hackaday.com/2024/08/30/realistic-steering-wheel-joystick-in-miniature/ | 2024 Tiny Games Contest: Realistic Steering Wheel Joystick In Miniature | Bryan Cockfield | [
"contests",
"Games"
] | [
"3d printed",
"controller",
"Joystick",
"miniature",
"pedals",
"racing",
"simulation",
"simulator",
"steering wheel"
] | For racing games, flight simulators, and a few other simulation-style games, a simple controller just won’t do. You want something that looks and feels closer to the real thing. The major downsides to these more elaborate input methods is that they take up a large amount of space, requiring extra time for setup, and ca... | 4 | 4 | [
{
"comment_id": "7793367",
"author": "Eric",
"timestamp": "2024-08-30T20:23:41",
"content": "I saw this video the other day and A) was really impressed and inspired B) Made me remember the Namco NeGcon controller which makes me want one for playing Sessions/Skater XL for leaning my skater left and r... | 1,760,371,807.428437 | ||
https://hackaday.com/2024/09/01/an-attractive-magnet-insertion-tool/ | An Attractive Magnet Insertion Tool | Kristina Panos | [
"Tool Hacks"
] | [
"inserting magnets",
"magnets",
"placing magnets"
] | Magnets are pretty nice little tools. [EmGi] has used them in many a cool 3D printed build with great success. But getting them where you want can be really tricky. More often than not, you end up with glue all over your fingers, or the magnets fly out of place, or they stick together when you don’t want them to.
Well,... | 10 | 6 | [
{
"comment_id": "7854025",
"author": "angryman77",
"timestamp": "2024-09-01T15:23:11",
"content": "It would be great to be able to add this to a 3d printer for placing magnets inside prints.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7855656",
"author"... | 1,760,371,807.128353 | ||
https://hackaday.com/2024/09/01/cl-32-the-minimum-possible-for-a-useful-handheld-computer/ | CL-32: The Minimum Possible For A Useful Handheld Computer | Jenny List | [
"handhelds hacks"
] | [
"e-paper",
"ESP32",
"handheld computer"
] | For almost as long as there have been microcomputers, there have been attempts with varying success to make tiny handheld microcomputers. Sometimes these have been very good, and other times they’ve missed the mark in some way. Latest to find its way to us is the
CL-32 from [Moosepr]
, it’s a handheld computer with an ... | 19 | 9 | [
{
"comment_id": "7847821",
"author": "paulvdh",
"timestamp": "2024-09-01T10:43:32",
"content": "There are no labels on the keys yet. The form factor reminds me of the Sharp calculators with a basic interpreter. (horrible language). The project has some pictures and info about the Sharp Memory LCD’s... | 1,760,371,807.382179 | ||
https://hackaday.com/2024/08/31/ccfl-scanner-bulb-makes-a-cool-desk-lamp/ | CCFL Scanner Bulb Makes A Cool Desk Lamp | Alexander Rowsell | [
"home hacks",
"Parts"
] | [
"3d printed desk lamp",
"3d printing",
"desk lamp",
"scanner bulb",
"upcycling"
] | The bulbs inside scanners (before transitioning to LED, anyway) were cold cathode fluorescent tubes that emit a fairly wide bandwidth of light. They were purpose-built to produce a very specific type and shape of light, but [Julius Curt] has taken this in
a new, upcycled direction
. Instead of just producing light, the... | 12 | 4 | [
{
"comment_id": "7840944",
"author": "Jan-Willem",
"timestamp": "2024-09-01T07:04:36",
"content": "It’s a nice project as it makes good use of the CFL tube. However, you might not want to disassemble an old but still working paper scanner with a CFL tube. These old scanners usually have a CCD sensor... | 1,760,371,807.549864 | ||
https://hackaday.com/2024/08/31/your-name-in-landsat/ | Your Name In Landsat | Jenny List | [
"Space"
] | [
"landsat",
"nasa",
"Remote Imaging"
] | We’re guessing most readers can cite things from their youth which gave them an interest in technology, and spurred on something which became a career or had a profound impact on their life. Public engagement activities for technology or science have a crucial role in bringing forth the next generations of curious peop... | 9 | 7 | [
{
"comment_id": "7837931",
"author": "beadon",
"timestamp": "2024-09-01T05:14:35",
"content": "Wow that’s fun !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7847281",
"author": "Menno",
"timestamp": "2024-09-01T10:25:38",
"content": "Very cool.Mi... | 1,760,371,807.486444 | ||
https://hackaday.com/2024/08/31/the-trashiest-of-mains-inverters/ | The Trashiest Of Mains Inverters | Jenny List | [
"Battery Hacks",
"classic hacks"
] | [
"inverter",
"mains inverter",
"rotary inverter"
] | Switch-mode technology has made inverters which take a low DC voltage and turn it into a usable mains voltage within the reach of everybody. But still, there might be moments when a mains supply is needed and you’re not lucky enough to have AliExpress at your fingertips, and for that, here’s [Rulof] with a mains invert... | 21 | 11 | [
{
"comment_id": "7831592",
"author": "Cody",
"timestamp": "2024-09-01T01:15:07",
"content": "Those switches will burn up in no time. Also, that 50Hz transformer is not going to be very happy running at such a low frequency. It’s probably saturating and drawing a lot of current. It would work a lot b... | 1,760,371,807.611888 | ||
https://hackaday.com/2024/08/31/2024-tiny-games-contest-attinyboy-does-it-with-tiny-cartridges/ | 2024 Tiny Games Contest: ATtinyBoy Does It With Tiny Cartridges | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"attiny85",
"cartridge"
] | What is it about tangible media? There’s just something neat about having an individual
thing
that represents each game, each album, each whatever. Sure, you can have a little console with a thousand games loaded on it, but what’s the fun in that?
Enter the ATtinyBoy
. [Bram]’s entry into the Tiny Games Contest is base... | 3 | 1 | [
{
"comment_id": "7826840",
"author": "Eric",
"timestamp": "2024-08-31T22:38:31",
"content": "Interesting idea having ATTiny hold game code and plugs into main console. But it is not new, Microvision (Milton Bradley) came out in 1979 and the main unit had only the control knob, LCD, speaker, and batt... | 1,760,371,807.661224 | ||
https://hackaday.com/2024/08/31/taking-a-spirograph-mill-for-a-spin/ | Taking A Spirograph Mill For A Spin | Navarre Bartz | [
"classic hacks",
"Toy Hacks"
] | [
"gears",
"mill",
"spirograph"
] | Spirographs can make some pretty groovy designs on paper, but what if you want to take it a step further? [Uri Tuchman] has used the pantograph on his milling machine to
duplicate the effect in harder materials
.
[Tuchman] starts with a quick proof-of-concept using an actual plastic Spirograph toy to make sure it isn’t... | 3 | 3 | [
{
"comment_id": "7823669",
"author": "dudefromthenorth",
"timestamp": "2024-08-31T20:57:07",
"content": "I love his videos",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7825267",
"author": "YaKnowWhat?",
"timestamp": "2024-08-31T21:50:26",
"conten... | 1,760,371,807.699584 | ||
https://hackaday.com/2024/08/30/hackaday-podcast-episode-286-showing-off-saos-hiding-from-hoas-and-beautiful-byproducts/ | Hackaday Podcast Episode 286: Showing Off SAOs, Hiding From HOAs, And Beautiful Byproducts | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Even when the boss is away, the show must go on, so Dan slid back behind the guest mic and teamed up with Tom to hunt down the freshest of this week’s hacks. It was a bit of a chore, with a couple of computer crashes and some side-quests down a few weird rabbit holes, but we managed to get things together in the end.
T... | 2 | 1 | [
{
"comment_id": "7821117",
"author": "FEW",
"timestamp": "2024-08-31T19:27:25",
"content": "What’s that sound, where’s the form? I’m here a day after the podcast streamed… and there’s already a winner?I was going to submit hand-cranked generator something… Radio or Flashlight perhaps? Fun choice of ... | 1,760,371,807.744605 | ||
https://hackaday.com/2024/08/30/is-that-antenna-allowed-the-real-deal-on-the-fccs-otard-rule/ | Is That Antenna Allowed? The Real Deal On The FCCs OTARD Rule | Dan Maloney | [
"Featured",
"Radio Hacks",
"Rants",
"Slider"
] | [
"amateur radio",
"antenna",
"fcc",
"federal communications commission",
"ham",
"HOA",
"OTARD",
"tv",
"video",
"wireless"
] | The Hackaday comments section is generally a lively place. At its best, it’s an endless wellspring of the combined engineering wisdom of millions of readers which serves to advance the state of the art in hardware hacking for all. At its worst — well, let’s just say that at least it’s not the YouTube comments section.
... | 111 | 30 | [
{
"comment_id": "7790671",
"author": "Mystick",
"timestamp": "2024-08-30T17:15:10",
"content": "I remember when OTARD was coming and the ARRL was all for it, then it was published and approved. I, and others were gravely disappointed when it was found not to address amateur radio at all.",
"pare... | 1,760,371,807.916201 | ||
https://hackaday.com/2024/08/30/online-game-becomes-unexpected-pixelflut/ | Online Game Becomes Unexpected PixelFlut | Jenny List | [
"Software Hacks"
] | [
"checkboxes",
"pixelflut"
] | Blink and you could have missed it, but a viral sensation for a few weeks this summer was One Million Checkboxes, a web page with as you might expect, a million checkboxes. The cool thing about it was that it was interactive, so if you checked a box on your web browser, everyone else seeing that box also saw it being c... | 3 | 3 | [
{
"comment_id": "7790044",
"author": "RunnerPack",
"timestamp": "2024-08-30T16:35:47",
"content": "Pixelflut server plugins for smart TVs and popular STBs would be very handy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7791793",
"author": "Tim McNerney... | 1,760,371,807.999608 | ||
https://hackaday.com/2024/08/30/this-week-in-security-the-rest-of-the-ipv6-story-cve-hunting-and-hacking-the-tsa/ | This Week In Security: The Rest Of The IPv6 Story, CVE Hunting, And Hacking The TSA | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"IPv6",
"RCE",
"This Week in Security",
"wordpress"
] | We finally have
some answers about the Windows IPv6 vulnerability
— and a
Proof of Concept
! The patch was a single change in the Windows TCP/IP driver’s
Ipv6pProcessOptions()
, now calling
IppSendError()
instead of
IppSendErrorList()
. That’s not very helpful on its own, which is why [Marcus Hutchins]’s analysis is so... | 2 | 2 | [
{
"comment_id": "7792053",
"author": "Christian",
"timestamp": "2024-08-30T19:03:36",
"content": "re: Hardened Linux has you covered.Sadly most solutions are not implemented by the kernel itself by reply on BPF. Built with code that was never scrutinized by kernel developers, might even be closed so... | 1,760,371,807.958211 | ||
https://hackaday.com/2024/08/30/new-2-gb-raspberry-pi-5-has-smaller-die-and-30-lower-idle-power-usage/ | New 2 GB Raspberry Pi 5 Has Smaller Die And 30% Lower Idle Power Usage | Maya Posch | [
"Raspberry Pi",
"Reviews"
] | [
"benchmark",
"delidding",
"overclocking",
"Raspberry Pi 5"
] | Recently Raspberry Pi released the 2GB version of the Raspberry Pi 5 with a new BCM2712 SoC featuring the D0 stepping. As expected, [Jeff Geerling] got his mitts on one of these boards and
ran it through its paces
, with positive results. Well, mostly positive results — as the Geekbench test took offence to the mere 2 ... | 16 | 5 | [
{
"comment_id": "7784624",
"author": "Sykobee",
"timestamp": "2024-08-30T11:48:46",
"content": "35% smaller is a lot smaller, and given the lower power usage as well (I wouldn’t expect unused dark silicon to use much but it isn’t unlikely that power gating wasn’t present) I wonder if this is a 12nm ... | 1,760,371,808.049958 | ||
https://hackaday.com/2024/08/30/adjustable-electric-hand-warmers/ | Adjustable Electric Hand Warmers | Kristina Panos | [
"Arduino Hacks",
"Wearable Hacks"
] | [
"arduino",
"clay",
"nichrome",
"nichrome wire"
] | It may be the last gasp of summer here in the Northern Hemisphere, but it’s always cold somewhere, whether it’s outdoors or inside. If you suffer from cold, stiff hands, you know how difficult it can be to work comfortably on a computer all day. Somehow, all that typing and mousing does little to warm things up.
What y... | 7 | 4 | [
{
"comment_id": "7785092",
"author": "shinsukke",
"timestamp": "2024-08-30T12:09:11",
"content": "Can anyone tell me about their experience with electric hand warmers? They don’t sell in my part of the world even if its 0C or lower.Is the battery life enough?",
"parent_id": null,
"depth": 1,... | 1,760,371,808.147365 | ||
https://hackaday.com/2024/08/29/a-little-optical-magic-makes-this-floating-display-pop/ | A Little Optical Magic Makes This Floating Display Pop | Dan Maloney | [
"Misc Hacks"
] | [
"beam splitter",
"display",
"holographic",
"retroreflector",
"TOF",
"VL53L0X",
"volumetric display"
] | If there’s a reason that fancy holographic displays that respond to gestures are a science fiction staple, it’s probably because our current display technology is terrible. Oh sure, Retina displays and big curved gaming monitors are things of wonder, but they’re also things that occupy space even when they’re off — hen... | 4 | 3 | [
{
"comment_id": "7774473",
"author": "Misterlaneous",
"timestamp": "2024-08-30T03:56:53",
"content": "That isn’t an equilateral triangle. It’s a right triangle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7789250",
"author": "psuedonymous",
"timesta... | 1,760,371,808.095843 | ||
https://hackaday.com/2024/08/29/2024-tiny-games-contest-mini-cyclone-tests-reaction-time/ | 2024 Tiny Games Contest: Mini Cyclone Tests Reaction Time | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"arduino nano",
"reaction time"
] | Round and round goes the red LED, and if you can push the button when it overlaps the green LED, then you win. Cyclone is almost too simple of a game, and that’s probably part of why it’s so addictive.
Want to make one for your desk?
All it takes is an Arduino Nano R3 or comparable microcontroller, an RGB LED ring with... | 3 | 3 | [
{
"comment_id": "7769309",
"author": "Dr. Cockroach",
"timestamp": "2024-08-30T00:03:22",
"content": "This looks quite good. Hmmm, now you have me thinking about another Light Logic project :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7772387",
"auth... | 1,760,371,808.192745 | ||
https://hackaday.com/2024/08/29/driven-to-over-engineer-a-kids-car/ | Driven To Over-Engineer A Kids’ Car | Kristina Panos | [
"Raspberry Pi",
"Toy Hacks",
"Transportation Hacks"
] | [
"mqtt",
"raspberry pi"
] | You know, it feels as though it’s getting more and more difficult to compete for Father of the Year around here. And [Jon Petter Skagmo] just laid down a new gauntlet —
the incredibly overly-engineered kids car
.
While the original plan was to build the entire car from scratch, [Jon] eventually opted to use an off-the-... | 12 | 4 | [
{
"comment_id": "7764515",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2024-08-29T20:39:13",
"content": "Yeah! Shame me and my feeble attempts at being a father!B^)Great Build! And he finished it before she physically outgrew it!One question, are the tires the slippery plastic t... | 1,760,371,808.33704 | ||
https://hackaday.com/2024/08/29/2024-tiny-games-contest-blind-maze-is-fun-for-all/ | 2024 Tiny Games Contest: Blind Maze Is Fun For All | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"arduino nano"
] | If you think about it, even difficult mazes on paper are pretty easy. You can see all the places you can and can’t go, and if you use a pencil instead of a pen, well, that’s almost like cheating.
However, using a pencil is pretty much a necessity to play [penumbriel]’s
Blind Maze
. In this game, you can’t even see the ... | 5 | 4 | [
{
"comment_id": "7761678",
"author": "jon Mayo",
"timestamp": "2024-08-29T18:35:51",
"content": "Hunt the Wumpus is another game that benefits from drawing your own maps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7761991",
"author": "CityZen",
"ti... | 1,760,371,808.433276 | ||
https://hackaday.com/2024/08/29/walking-the-plank-add-ons-for-the-bus-pirate/ | Walking The Plank: Add-Ons For The Bus Pirate | Tom Nardi | [
"Tool Hacks"
] | [
"add-ons",
"bus pirate",
"Bus Pirate 5",
"expansion"
] | The Bus Pirate multi-tool has held a place of honor in many a hardware hacker’s toolbox for years, and the latest generation of the gadget powered by the Raspberry Pi RP2040/RP2350 offers significantly enhanced capabilities over the original PIC versions.
We took a look at the new Bus Pirate
when it started shipping ba... | 4 | 1 | [
{
"comment_id": "7767173",
"author": "The Commenter Formerly Known as Ren",
"timestamp": "2024-08-29T22:28:05",
"content": "With the recent Hackaday article about the bug in the 2350, has the XL version overcome that?Pull-up resistors ?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,808.384337 | ||
https://hackaday.com/2024/08/29/3d-printering-klipper-the-free-3d-printer-upgrade/ | 3D Printering: Klipper, The Free 3D Printer Upgrade | Al Williams | [
"3d Printer hacks",
"Hackaday Columns"
] | [
"3d printing",
"g-code",
"klipper",
"marlin",
"Moonraker"
] | I have several 3D printers, and I’ve always been satisfied with using either Repetier or Marlin on all of them. There are a few other firmware versions that could run on my hardware, but those two have been all I’ve needed. Sure, it was painful for a while having to juggle features to fit the firmware image onto the sm... | 33 | 15 | [
{
"comment_id": "7756322",
"author": "Panondorf",
"timestamp": "2024-08-29T14:25:13",
"content": "I’ve had switching to Klipper on my to-do list for years. It only hasn’t happened yet because ahead of it in the list are hardware changes that are taking me time to design parts for.I was disappointed ... | 1,760,371,808.519083 | ||
https://hackaday.com/2024/08/29/reconfigurable-tracked-robot-has-some-neat-flexible-abilities/ | Reconfigurable Tracked Robot Has Some Neat Flexible Abilities | Lewin Day | [
"Robots Hacks"
] | [
"linked",
"robot",
"tracked",
"tracked robot",
"tracks"
] | When you think of tracked robots, you might think of bomb disposal robots or others used in military applications. You probably haven’t seen anything quite like this, however—
it’s a “reconfigurable continuous track robot” from researchers [Tal Kislasi] and [David Zarrouk (via IEEE Spectrum)
.
Neat party trick!
The rob... | 9 | 6 | [
{
"comment_id": "7755922",
"author": "Mark Allen Miller",
"timestamp": "2024-08-29T14:02:17",
"content": "Fantastic !!! Clearly great thinking. What would the version that can turn look like?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7788920",
... | 1,760,371,808.56961 | ||
https://hackaday.com/2024/08/29/adding-human-detection-to-home-automation/ | Adding Human Detection To Home Automation | Bryan Cockfield | [
"Radio Hacks"
] | [
"home automation",
"LD2410B",
"millimeter",
"mmwave",
"radar",
"radio"
] | Radar made a huge impact when it was first invented, allowing objects to be detected using radio waves which would normally be difficult or impossible to observe through other means. Radio waves of all frequencies can be used for radar as well, whether that’s detecting ships beyond the horizon, tracking aircraft near a... | 39 | 10 | [
{
"comment_id": "7749813",
"author": "Thomas Anderson",
"timestamp": "2024-08-29T08:22:38",
"content": "Another problem I’ve had with these is they work through walls and doors. Makes finding a position for them fun.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,371,808.700419 | ||
https://hackaday.com/2024/08/28/why-use-a-sensor-when-a-pseudo-sensor-will-do/ | Why Use A Sensor When A Pseudo-Sensor Will Do? | Lewin Day | [
"Parts",
"Tech Hacks"
] | [
"coca-cola",
"coca-cola freestyle",
"current sense",
"current sensor",
"development",
"freestyle",
"pressure sensor",
"psuedo-sensor",
"sensor",
"soda machine"
] | Usually, when you need to sense something in a project, the answers are straightforward. Want to sense air temperature? There’s a sensor for that. Particulate content in the air? There’s a sensor for that, too. Someone sneaking up on you? Get yourself some passive infrared sensors (PIRs) and maybe a smart camera just t... | 30 | 15 | [
{
"comment_id": "7723263",
"author": "Mmmm",
"timestamp": "2024-08-28T14:12:00",
"content": "As an aside, check out what all those “flavors” do to the chromed plastic(?) of the ice dispenser on the Freestyle machine over time.. Scary!",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,371,808.913388 | ||
https://hackaday.com/2024/08/28/demonstrating-the-photoelectric-effect-using-neon-lamps/ | Demonstrating The Photoelectric Effect Using Neon Lamps | Dave Rowntree | [
"LED Hacks",
"Science"
] | [
"neon bulb",
"oscillators",
"photoelectric"
] | Neon lamps are fun to play with. These old-school indicators were once heavily utilized in many types of equipment for indication purposes but now seem largely relegated to mains voltage indication duties.
Here’s a fun video by [Ashish Derhgawen]
, discussing the photoelectric effect of neon lamps with some simple demo... | 30 | 12 | [
{
"comment_id": "7719705",
"author": "Harvie.CZ",
"timestamp": "2024-08-28T11:21:35",
"content": "This is basicaly a geiger “counter” :-) It will probably detect ionizing radiation. But it gets more practical if you wrap it in tin foil (or some similar material that blocks light to prevent discharge... | 1,760,371,808.780151 | ||
https://hackaday.com/2024/08/28/proper-mag-lev-controller-makes-snail-lamp-much-cooler/ | Proper Mag Lev Controller Makes Snail Lamp Much Cooler | Lewin Day | [
"Tech Hacks"
] | [
"coils",
"lamp",
"levitation",
"mag lev",
"Magnetic levitation",
"snail"
] | Magnetic levitation has not quite revolutionized the world of transit the way some of us might have hoped. It has, however, proven useful to [mrdiytechmagic], who has put the technology to grand use
in making his levitating snail lamp.
The build is actually relatively complicated compared to some levitating toys you mi... | 5 | 3 | [
{
"comment_id": "7717705",
"author": "BT",
"timestamp": "2024-08-28T09:49:11",
"content": "Similar but floating nixie clock:https://hackaday.com/2016/07/31/you-may-have-a-nixie-tube-clock-but-can-yours-levitate/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7... | 1,760,371,808.831315 | ||
https://hackaday.com/2024/08/27/exploring-pc-floppy-protection-formaster-copy-lock/ | Exploring PC Floppy Protection: Formaster Copy-Lock | Dave Rowntree | [
"Retrocomputing"
] | [
"content protection",
"copy lock",
"floppy disk",
"IBM PC",
"kings quest"
] | [GloriousCow] has started working on a series of investigations into the various historical floppy disk copy protection schemes used in the early days of the IBM PC and is here with the first of these results, specifically
Formaster’s Copy-Lock.
This is the starting sector of track 6. It looks empty, but it’s not quite... | 35 | 18 | [
{
"comment_id": "7716469",
"author": "Andrzej",
"timestamp": "2024-08-28T07:50:28",
"content": "you can’t create this disk structure with a standard IBM PC floppy disk controllerThis sounds like a challenge :)(not picking it up though, have too many projects underway)",
"parent_id": null,
"d... | 1,760,371,808.993052 | ||
https://hackaday.com/2024/08/27/decs-lan-bridge-100-the-invention-of-the-network-bridge/ | DEC’s LAN Bridge 100: The Invention Of The Network Bridge | Maya Posch | [
"History",
"Network Hacks"
] | [
"ethernet",
"ethernet bridge"
] | DEC’s LAN Bridge 100 was a major milestone in the history of Ethernet which made it a viable option for the ever-growing LANs of yesteryear and today. Its history is also the topic of
a recent video
by [The Serial Port], in which [Mark] covers the development history of this device. We
previously covered
the LANBridge ... | 13 | 6 | [
{
"comment_id": "7710736",
"author": "mark",
"timestamp": "2024-08-28T02:19:03",
"content": "This is an important part of modern networkign",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7719063",
"author": "Antron Argaiv",
"timestamp": "2024-08-28T10:... | 1,760,371,809.043235 | ||
https://hackaday.com/2024/08/27/hardware-reuse-the-pmg001-integrated-power-management-module/ | Hardware Reuse: The PMG001 Integrated Power Management Module | Dave Rowntree | [
"Battery Hacks"
] | [
"battery",
"lithium ion",
"power mangement",
"programmable"
] | Battery management is a tedious but necessary problem that becomes more of a hassle with lithium-ion technology. As we’re all very aware, such batteries need a bit of care to be utilized safely, and as such, a huge plethora of ICs are available to perform the relevant duties. Hackaday.IO user [Erik] clearly spent some ... | 15 | 7 | [
{
"comment_id": "7708523",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-28T00:00:20",
"content": "Interested!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7708618",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,371,809.095219 | ||
https://hackaday.com/2024/08/27/building-a-small-gyro-stabilized-monorail/ | Building A Small Gyro Stabilized Monorail | Lewin Day | [
"Tech Hacks",
"Transportation Hacks"
] | [
"control moment gyroscope",
"gyro",
"gyro monorail",
"monorail",
"reaction wheel",
"servo"
] | Monorails aren’t just the core reason why
The Simpsons
remains on air after thirty-six seasons, twenty-six of which are unredeemable garbage. They’re also an interesting example of oddball rail travel which has never really caught on beyond the odd gadgetbahn project here and there. [Hyperspace Pirate] recently decided... | 12 | 8 | [
{
"comment_id": "7705245",
"author": "Jesse Jenkins",
"timestamp": "2024-08-27T21:01:31",
"content": "I don’t get the Simpsons comment at the beginning?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7706625",
"author": "The Commenter Formerly Known ... | 1,760,371,809.14583 | ||
https://hackaday.com/2024/08/28/a-non-musical-use-case-for-8-track/ | A Non-Musical Use Case For 8-Track | Bryan Cockfield | [
"classic hacks",
"Games"
] | [
"8-track",
"audio",
"cassette",
"eight-track",
"interactive",
"magnetic tape",
"music",
"tape",
"tracks"
] | There was a time in the not-too-distant past when magnetic tape was the primary way of listening to and recording audio. Most of us are familiar with the cassette tape, a four-track system that plays first one side of the tape, then the other. There was the eight-track tape as well which did not have quite as much popu... | 23 | 16 | [
{
"comment_id": "7746305",
"author": "Comedicles",
"timestamp": "2024-08-29T05:28:49",
"content": "Use case again. The wood case in the photo? The case for 8-track to be used in judging the case for 8-track? I can’t help it. It is just so sooo…… such a bad use case for the word use!",
"parent_id... | 1,760,371,809.206395 | ||
https://hackaday.com/2024/08/28/ibms-latest-quantum-supercomputer-idea-the-hybrid-classical-quantum-system/ | IBM’s Latest Quantum Supercomputer Idea: The Hybrid Classical-Quantum System | Maya Posch | [
"computer hacks"
] | [
"ibm",
"quantum computing"
] | Although quantum processors exist today, they are still a long way off from becoming practical replacements for classical computers. This is due to many practical considerations, not the least of which are factors such as the need for cryogenic cooling and external noise affecting the system necessitating a level of er... | 15 | 4 | [
{
"comment_id": "7756162",
"author": "Greg A",
"timestamp": "2024-08-29T14:15:17",
"content": "it was about 25 years ago i went to a colloquium jointly hosted by the physics and CS departments. my physics knowledge is rudimentary but i perceived such an abundance of handwaving in the presentation t... | 1,760,371,809.274988 | ||
https://hackaday.com/2024/08/28/swd-interface-simplifies-debugging/ | SWD Interface Simplifies Debugging | Navarre Bartz | [
"Microcontrollers",
"PCB Hacks"
] | [
"debugging",
"microcontrollers",
"SWD"
] | The proliferation of microcontrollers has made it easier than ever to add some smarts to a project, but sometimes there just isn’t enough space for headers on a board, or you feel a little silly soldering something that will get used to flash a program then languish inside your build. [Dima] wanted to make his boards e... | 29 | 12 | [
{
"comment_id": "7737466",
"author": "helge",
"timestamp": "2024-08-28T23:41:54",
"content": "WR-WST (490107670612) has dimensions for debugging purposes and 50 mating cycles, while accepting standard ribbon cable or strips of ready-made Mini-PV patch cable. Probably worth considering under the cons... | 1,760,371,809.430137 | ||
https://hackaday.com/2024/08/28/hardware-bug-in-raspberry-pis-rp2350-causes-faulty-pull-down-behavior/ | Hardware Bug In Raspberry Pi’s RP2350 Causes Faulty Pull-Down Behavior | Maya Posch | [
"Microcontrollers"
] | [
"raspberry pi",
"rp2350"
] | Erratum RP2350-E9 in the RP2350 datasheet, detailing the issue.
The newly released RP2350 microcontroller has
a confirmed new bug
in the current A2 stepping, affecting GPIO pull-down behavior. Listed in the Raspberry Pi RP2350
datasheet
(page 1340) as erratum RP2350-E9, it involves a situation where a GPIO pin is confi... | 51 | 14 | [
{
"comment_id": "7732050",
"author": "Rekcufrehtom",
"timestamp": "2024-08-28T20:04:34",
"content": "The Pi hasn’t been a good buy since the 3. They coast by now on brand recognition and people who don’t know any better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,371,809.521966 | ||
https://hackaday.com/2024/08/28/floss-weekly-episode-798-building-the-rust-desktop-with-cosmic/ | FLOSS Weekly Episode 798: Building The Rust Desktop With COSMIC | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"COSMIC",
"FLOSS Weekly",
"system76",
"Wayland"
] | This week
Jonathan Bennett
and
Rob Campbell
chat with
Carl Richell
about System 76, COSMIC, Wayland, Rust and more! What was the “last straw” that convinced System 76 to write their own desktop environment (DE)? What’s the story with smithay, and why did that jump start the whole process? Listen to find out!
https://sy... | 0 | 0 | [] | 1,760,371,809.614943 | ||
https://hackaday.com/2024/08/28/boss-byproducts-fordites-are-pieces-of-american-history/ | Boss Byproducts: Fordites Are Pieces Of American History | Kristina Panos | [
"Art",
"car hacks",
"Featured"
] | [
"automotive industry",
"byproducts",
"Fordite",
"lead paint",
"mineral",
"slag"
] | Some of the neatest products are made from the byproducts of other industries. Take petroleum jelly, for example. Its inventor, Robert Chesebrough, a chemist from New York, came upon his idea while visiting the oil fields of Titusville, Pennsylvania in 1859. It took him ten years to perfect his formula, but the product... | 17 | 7 | [
{
"comment_id": "7728190",
"author": "Charles Lamb",
"timestamp": "2024-08-28T17:31:14",
"content": "Many decades ago I visited a cabinetmaker’s workshop. In it was a spray booth with a bench with about 2cm of built up paint I used my pocketknife to carve out a beautiful piece.",
"parent_id": nu... | 1,760,371,809.580985 |
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