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https://hackaday.com/2022/06/11/odd-inputs-and-peculiar-peripherals-using-a-commodore-light-pen-on-a-modernish-computer/
Odd Inputs And Peculiar Peripherals: Using A Commodore Light Pen On A Modern(ish) Computer
Robin Kearey
[ "classic hacks", "computer hacks" ]
[ "commodore", "Light Pen", "usb hid" ]
https://hackaday.com/wp-…erface.jpg?w=800
If you worked with computers back in the 1970s, there’s a good chance you used a light pen at some point: a simple input device that you’d point at the CRT screen to highlight text, choose menu options or manipulate graphic objects. Although ubiquitous in those days, the light pen lost the battle for ergonomics to the ...
9
4
[ { "comment_id": "6482960", "author": "Jan", "timestamp": "2022-06-12T08:31:46", "content": "cool project!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482998", "author": "Michael Black", "timestamp": "2022-06-12T13:48:14", "content": "I never us...
1,760,372,665.794087
https://hackaday.com/2022/06/11/glass-classic-but-mysterious/
Glass: Classic, But Mysterious
Al Williams
[ "Science" ]
[ "glass", "materials" ]
https://hackaday.com/wp-…/glass.png?w=800
For a large part of human history, people made things from what they could find. Some stones make arrowheads. Others make sparks. Trees can turn into lumber. But the real power is when you can take those same materials and make them into something with very different properties. For example, plant fibers turning into c...
19
7
[ { "comment_id": "6482930", "author": "justsayin", "timestamp": "2022-06-12T02:33:14", "content": "Seems like a tuning fork made of that stuff would ring for a very long time. Might make an amazing bell. Maybe it could be made into some kind of resonant circuit retirement? This sure would be fun to p...
1,760,372,665.962901
https://hackaday.com/2022/06/11/homebrew-an-os-from-scratch-snowdrop-shows-how-its-done/
Homebrew An OS From Scratch? Snowdrop Shows How It’s Done
Donald Papp
[ "Software Development", "Software Hacks" ]
[ "assembly", "homebrew OS", "multitasking", "os", "snowdrop", "x86" ]
https://hackaday.com/wp-…puters.jpg?w=650
Ever wondered what it would take to roll your own OS? [Sebastian]’s Snowdrop OS might just provide you with some insight into that process, and maybe even some inspiration. [Sebastian] created Snowdrop completely from scratch, using only x86 assembly language. It’s more than just bare-bones, and boasts a number of usef...
21
15
[ { "comment_id": "6482913", "author": "Sword", "timestamp": "2022-06-11T23:07:11", "content": "That is really cool.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482916", "author": "Truth", "timestamp": "2022-06-11T23:23:42", "content": "Is it bad...
1,760,372,665.852542
https://hackaday.com/2022/06/11/hackaday-prize-2022-binpal-is-a-convenient-recycling-reminder/
Hackaday Prize 2022: BinPal Is A Convenient Recycling Reminder
Robin Kearey
[ "home hacks" ]
[ "google calendar", "recycling", "reminder" ]
https://hackaday.com/wp-…BinPal.gif?w=800
While curbside pickup of recyclables is convenient, it does require you to keep track of which type of waste is picked up when: miss the biweekly paper pickup and you’ll soon find yourself stockpiling four weeks’ worth of boxes and newspapers. When [Dominic Buchstaller]’s stack of cardboard began to reach his ceiling, ...
14
5
[ { "comment_id": "6482896", "author": "Michael Black", "timestamp": "2022-06-11T20:36:57", "content": "We’ve been recycling since about 1975, when a neighbor took her newsprint to a place that bought it, and we sent ours along. Since about 1980, there’s been pickup, like clockwork.We don’t forget.",...
1,760,372,666.116449
https://hackaday.com/2022/06/11/odd-inputs-and-peculiar-peripherals-a-macropad-with-a-handy-layout-screen/
Odd Inputs And Peculiar Peripherals: A MacroPad With A Handy Layout Screen
Jenny List
[ "Peripherals Hacks" ]
[ "keypad", "macro pad", "rp2040" ]
https://hackaday.com/wp-…atured.jpg?w=800
The idea of a macro keypad is a great one, a set of keys programmable with frequent but complex tasks. But once programmed, how can the user keep track of which key does what? To save the world from grubby, hand-written sticky labels, here’s [Andreas Känner] with the Badger 2040 keypad — a macro pad with a display to s...
0
0
[]
1,760,372,666.199791
https://hackaday.com/2022/06/11/the-tools-that-lovingly-tore-apart-a-vintage-computer-game/
The Tools That Lovingly Tore Apart A Vintage Computer Game
Donald Papp
[ "Games", "Reverse Engineering" ]
[ "game assets", "night light", "reverse engineering", "vintage" ]
https://hackaday.com/wp-…assets.png?w=800
The structure of computer game assets can be a bit of a mystery, even more so the older a game is, and some amount of reverse-engineering can be expected when pulling apart a game like 1995’s Night Light . [voussoir] had fond memories of this game by GTE Entertainment, which had an interesting “flashlight” mechanic to ...
9
5
[ { "comment_id": "6482840", "author": "aki009", "timestamp": "2022-06-11T14:27:56", "content": "Oh this is nothing compared to cracking Commodore 64 games back in the day. Everything was unique. And optimized (down to the clock cycle). And one-off. Now that was fun detective work. Back in the day. So...
1,760,372,666.162774
https://hackaday.com/2022/06/11/inside-an-ebay-marking-laser/
Inside An EBay Marking Laser
Dan Maloney
[ "Laser Hacks" ]
[ "co2", "engraving", "galvanometer", "galvo", "ir", "laser", "marking", "Synrad" ]
https://hackaday.com/wp-….41.58.png?w=800
When it comes to trolling eBay for cool stuff, some people have all the luck. Whereas all we ever seem to come across is counterfeit chips and obviously broken gear listed as, “good condition, powers on”, [Les Wright] actually managed to get more than he bargained for with one of his recent eBay purchases. In his video...
13
4
[ { "comment_id": "6482815", "author": "Aaron Christophel", "timestamp": "2022-06-11T11:34:05", "content": "Had something very similar once from the German Craigslist, fully functional and the speed is very impressive.Made a video about it back then:https://www.youtube.com/watch?v=GkLO3aTMDug", "p...
1,760,372,665.90848
https://hackaday.com/2022/06/11/bug-zapper-counts-and-serenades-its-victims/
Bug Zapper Counts And Serenades Its Victims
Sven Gregori
[ "Misc Hacks" ]
[ "attiny", "bug zapper", "DFPlayer", "Digispark", "mosquito", "mosquitoes", "pest control" ]
https://hackaday.com/wp-…kcount.jpg?w=800
Not many creatures are as universally despised as mosquitoes, whether it’s the harmless kind that, at worst, makes you miss winter, or the more serious ones that can be a real threat to your health. A satisfying way to deal with them is to send them off with a bang using one of those racket-shaped high voltage metal me...
10
6
[ { "comment_id": "6482788", "author": "tomás zerolo", "timestamp": "2022-06-11T08:21:01", "content": "“… a Digispark Pro…”I see what you did there…“… detect activity […] more than once…”… and there. Very clever :)", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "...
1,760,372,666.00471
https://hackaday.com/2022/06/10/heres-what-it-takes-to-fill-a-piano-with-water/
Here’s What It Takes To Fill A Piano With Water
Lewin Day
[ "Musical Hacks" ]
[ "flex seal", "piano", "water", "water proofing" ]
https://hackaday.com/wp-…enshot.png?w=800
Filling a piano with water probably sounds frivolous and asinine to many. However, it also sparks a certain curiosity as to what it would be like. Thankfully, [Mattias] put in the hours of work to find out so we don’t have to! It doesn’t make a great pool, though. A first attempt with an upright piano failed quickly. A...
25
18
[ { "comment_id": "6482763", "author": "Saabman", "timestamp": "2022-06-11T05:07:42", "content": "That just sounds like a thinly veiled excuse to get YouTube views.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482909", "author": "UnderSampled", ...
1,760,372,666.067015
https://hackaday.com/2022/06/10/simple-snap-action-mechanism-is-100-3d-printed/
Simple Snap Action Mechanism Is 100% 3D Printed
Lewin Day
[ "Parts" ]
[ "3d print", "snap mechanism", "spring" ]
https://hackaday.com/wp-…efault.jpg?w=800
Plastics are wonderous materials, much loved for their ability to elastically deform and spring back to their original shape. They’re a category of materials perfect for creating things like living hinges and similar mechanisms, and this 3D printed snap action device shows that off admirably. The device consists of an ...
7
4
[ { "comment_id": "6482755", "author": "jenningsthecat", "timestamp": "2022-06-11T02:56:38", "content": "That is very cool! There’s something just so simple, elegant, and satisfying about designs like that. I have to wonder if it was made simply as a demonstration, or if it has a larger purpose.I also...
1,760,372,665.750343
https://hackaday.com/2022/06/10/making-a-projector-screen-out-of-flex-seal-works-okay-kinda/
Making A Projector Screen Out Of Flex Seal Works Okay, Kinda
Lewin Day
[ "home entertainment hacks" ]
[ "projector", "projector screen" ]
https://hackaday.com/wp-…enshot.png?w=800
Watching movies on the big screen is fun, but getting out to the cinema or drive-in can be a hassle. It’s possible to get the same experience at home with a little creativity, as shown in this DIY projector screen build by [The Hook Up]. The build started with a giant motorized roller screen designed for a patio. It wa...
6
6
[ { "comment_id": "6482737", "author": "perry", "timestamp": "2022-06-10T23:23:52", "content": "Sorry but my screen was a heck of a lot cheaper.2 x 10′ 1/2 emt $15 at the time.2 x 8′ 3/8 round bar $162 x 3/8 edge trim for shelving $81 Dollor store white plastic table cloth.Projector in the rear on a...
1,760,372,666.441262
https://hackaday.com/2022/06/10/3d-printed-lobe-pump-shifts-water-well/
3D-Printed Lobe Pump Shifts Water Well
Lewin Day
[ "3d Printer hacks" ]
[ "lobe pump", "pump", "water pump" ]
https://hackaday.com/wp-…enshot.png?w=800
Lobe pumps are perhaps most popularly known for their use in Rootes-type superchargers, but they can pump water, too. [Let’s Print] demonstrates this ably with a 3D-printed design that can pump with the best of them. The design uses two figure-eight shaped counter-rotating rotors, or lobes. As the rotors turn, they tra...
11
7
[ { "comment_id": "6482715", "author": "JvandeWerken", "timestamp": "2022-06-10T21:19:49", "content": "His next onehttps://www.youtube.com/watch?v=gB_B5vPLLo8works even better.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482720", "author": "Nathan", ...
1,760,372,666.86061
https://hackaday.com/2022/06/10/an-interesting-circular-stewart-platform/
An Interesting Circular Stewart Platform
Dave Rowntree
[ "Misc Hacks" ]
[ "6-DOF", "arduino pro mini", "h-bridge", "Stewart platform", "tb6612" ]
https://hackaday.com/wp-….53.21.png?w=800
Stewart platforms are pretty neat, and not seen in the wild all that often, perhaps because there aren’t a vast number of hacker-friendly applications that need quite this many degrees of freedom within such a restricted movement range. Anyway, here’s an interesting implementation from the the curiously named [Circular...
9
8
[ { "comment_id": "6482693", "author": "ConsultingJoe", "timestamp": "2022-06-10T19:02:22", "content": "WOW. That is amazing. One axis and all that motion.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482700", "author": "Bubba", "timestamp": "2022-06-...
1,760,372,667.161115
https://hackaday.com/2022/06/10/the-unique-challenges-of-aerial-robotics/
The Unique Challenges Of Aerial Robotics
Tom Nardi
[ "Hackaday Columns", "Robots Hacks" ]
[ "ardupilot", "autonomous aircraft", "autonomous robot", "computer vision", "drone", "gps", "Hack Chat", "SLAM" ]
https://hackaday.com/wp-…t_feat.jpg?w=800
When we think of robotics, the first thing that usually comes to mind for many of us is some sort of industrial arm that’s bolted to the floor, or perhaps a semi-autonomous rover trudging its way across the dusty Martian landscape. While these two environments are about as different as can be, the basic “rules” are pre...
2
2
[ { "comment_id": "6482719", "author": "Nick Rehm", "timestamp": "2022-06-10T21:42:06", "content": "Thanks for the awesome overview article, and for having me!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482752", "author": "js", "timestamp": "2022-06...
1,760,372,667.036282
https://hackaday.com/2022/06/10/ep-172-frickin-laser-beams-squishy-stomp-switches-and-a-tiny-but-powerful-diy-loom/
Hackaday Podcast 172: Frickin’ Laser Beams, Squishy Stomp Switches, And A Tiny But Powerful DIY Loom
Kristina Panos
[ "Hackaday Columns", "Podcasts" ]
[ "Hackaday Podcast" ]
https://hackaday.com/wp-…ophone.jpg?w=800
Join Hackaday Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos for a free-as-in-beer showcase of the week’s most gnarly but palatable hacks. But first, a reminder! Round 2 of the 2022 Hackaday Prize comes to an end in the early hours of Sunday, June 12th , so there’s still enough time to put a proj...
4
1
[ { "comment_id": "6482656", "author": "Then", "timestamp": "2022-06-10T16:32:02", "content": "Has Doom been ported to a loom already?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482692", "author": "Kristina Panos", "timestamp": "2022-06-10...
1,760,372,666.953672
https://hackaday.com/2022/06/10/odd-inputs-and-peculiar-peripherals-the-simplest-of-pi-400-cyberdecks/
Odd Inputs And Peculiar Peripherals: The Simplest Of Pi 400 Cyberdecks
Jenny List
[ "contests", "Cyberdecks" ]
[ "cyberdeck", "lcd display", "raspberry pi 400" ]
https://hackaday.com/wp-…atured.jpg?w=800
The trend for making cyberdecks has seen the Raspberry Pi emerge as a favourite for these home-made computer workstations, with the all-in-one Raspberry Pi 400 providing a particularly handy shortcut to integrating the computer and keyboard components. There’s still the question of the cyberdeck chassis and screen thou...
14
8
[ { "comment_id": "6482650", "author": "not", "timestamp": "2022-06-10T15:59:31", "content": "Really convenient when one does not want the screen to be seen: one hand is enough to obfuscate those 73.8E3 pixels at once.", "parent_id": null, "depth": 1, "replies": [ { "comment_...
1,760,372,666.914009
https://hackaday.com/2022/06/10/this-week-in-security-for-the-horde-feature-not-a-bug-and-confluence/
This Week In Security: For The Horde, Feature Not A Bug, And Confluence
Jonathan Bennett
[ "Hackaday Columns", "News", "Security Hacks" ]
[ "confluence", "DogWalk", "Follina", "This Week in Security" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
If you roll way back through the history of open source webmail projects, you’ll find Horde, a groupware web application. First released in 1998 on Freshmeat, it gained some notoriety in early 2012 when it was discovered that the 3.0 release had been tampered with, and packages containing a backdoor had been shipped fo...
7
2
[ { "comment_id": "6482644", "author": "Dan", "timestamp": "2022-06-10T15:31:55", "content": "I really enjoy reading these articles every week, thank you", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482654", "author": "Gravis", "timestamp": ...
1,760,372,666.744365
https://hackaday.com/2022/06/10/a-secure-phone-fit-for-a-prime-minister/
A Secure Phone Fit For A Prime Minister
Jenny List
[ "Security Hacks" ]
[ "encryption", "GCHQ", "telephone" ]
https://hackaday.com/wp-…atured.jpg?w=800
The curtain of state secrecy which surrounds the type of government agency known primarily by initialisms is all-encompassing and long-lived, meaning that tech that is otherwise in the public domain remains top secret for many decades. Thus it’s fascinating when from time to time the skirts are lifted to reveal a glimp...
21
7
[ { "comment_id": "6482602", "author": "Viktor", "timestamp": "2022-06-10T11:22:21", "content": "Schematics?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482615", "author": "MrSVCD", "timestamp": "2022-06-10T12:45:34", "content": "“O...
1,760,372,666.802928
https://hackaday.com/2022/06/10/stem-award-goes-to-accessible-3d-printing-project/
STEM Award Goes To Accessible 3D Printing Project
Al Williams
[ "3d Printer hacks", "News" ]
[ "3d printing", "education", "stem" ]
https://hackaday.com/wp-…6/stem.png?w=800
When you are a 15-year old and you see a disabled student drop the contents of their lunch tray while walking to a table, what do you do? If you are [Adaline Hamlin], you design a 3D printed attachment for the trays to stop it from happening again. The work was part of “Genius Hour” where [Hamlin’s] teacher encouraged ...
7
2
[ { "comment_id": "6482588", "author": "Andrew", "timestamp": "2022-06-10T10:00:04", "content": "In Korean schools the tray is also the bowl + plate + cutlery holder. They are a single piece of stainless steel with depressions punched into them. Nothing to lose!", "parent_id": null, "depth": 1...
1,760,372,666.994512
https://hackaday.com/2022/06/09/porting-doom-to-a-forgotten-apple-os/
PortingDOOMTo A Forgotten Apple OS
Bryan Cockfield
[ "Games" ]
[ "90's", "a/ux", "apple", "doom", "gcc", "mac", "macintosh", "macx", "Motorola 68000", "nextstep", "quadra 800", "unix", "x11" ]
https://hackaday.com/wp-…m-main.png?w=798
Apple hasn’t always had refined user experiences in their operating systems. In the distant past of the ’90s they were still kind of clunky computers that were far from the polished, high-end consumer machines of the modern era. That wasn’t all that Apple offered back then, though. They had a long-forgotten alternative...
28
11
[ { "comment_id": "6482540", "author": "Michael Black", "timestamp": "2022-06-10T05:20:56", "content": "A/UX was Unix based. So it is unix, with a gui.Microsoft had their version of Unix in 1980, Xenix. It had to have a different name for legal reasons, but they bought rights to the Unix source code...
1,760,372,667.224093
https://hackaday.com/2022/06/09/see-how-to-effectively-use-a-green-screen-in-a-limited-space/
See How To Effectively Use A Green Screen In A Limited Space
Donald Papp
[ "Video Hacks" ]
[ "green screen", "limited space", "OBS Studio", "streaming" ]
https://hackaday.com/wp-…n-wide.jpg?w=800
Virtual green screens are pretty neat, but for results, nothing beats the real thing. But what if you have limited space? [Fred Emmott] had about 30 inches behind his desk to work with, and shares what it took to make a green screen work reliably in a limited space . Even (and consistently deployable) lighting is even ...
15
10
[ { "comment_id": "6482525", "author": "David Lang", "timestamp": "2022-06-10T02:19:54", "content": "Amazon has a bunch of green screens that you can pull down like an old projection screen.the virtual green screens are possibly better than nothing, but I find that I’m distracted by the backgrounds th...
1,760,372,667.276
https://hackaday.com/2022/06/09/throw-out-that-box-no-build-a-shelving-unit/
Throw Out That Box? No, Build A Shelving Unit
Kristina Panos
[ "green hacks" ]
[ "cardboard", "hot glue", "reuse", "shelving" ]
https://hackaday.com/wp-…ng-800.jpg?w=800
Are you one of those people who hoards cardboard for someday, and then periodically breaks it all down and puts it out for recycling because you haven’t done anything with it yet? Well, load up a new blade in the utility knife and fire up that hot glue gun, because the [Cardboard Ninja]’s gonna show you how to make a s...
17
3
[ { "comment_id": "6482519", "author": "Eric Chapin", "timestamp": "2022-06-10T01:50:24", "content": "Great simple recycling hack if you don’t have cats! I have cats and one of them goes out of her way to find boxes and destroys it. If I build a shelf out of boxes, it wouldn’t last the night.", "...
1,760,372,667.345357
https://hackaday.com/2022/06/09/mouse-charging-mod-shows-even-simple-hacks-can-end-up-complex/
Mouse Charging Mod Shows Even Simple Hacks Can End Up Complex
Donald Papp
[ "Battery Hacks" ]
[ "charging", "modification", "mouse", "usb", "USB C", "usb receptacle" ]
https://hackaday.com/wp-…-mouse.jpg?w=800
Hardware hacks have something in common with renovations that involve taking down a wall: until one actually gets started and opens things up, there’s no telling what kind of complications might be lurking. [voussoir] has a project that demonstrates this nicely: modifying a rechargeable mouse to use USB-C instead of mi...
16
7
[ { "comment_id": "6482481", "author": "sampleusername", "timestamp": "2022-06-09T20:40:27", "content": "There was absolutely no need to engineer a solution that used the same mounting screw as the original. Hot glue is perfectly suitable for securing a small connector such as this, and with some libe...
1,760,372,667.534361
https://hackaday.com/2022/06/09/swapped-rom-revives-ailing-hp-48s-calculator/
Swapped ROM Revives Ailing HP-48S Calculator
Tom Nardi
[ "Parts", "Repair Hacks" ]
[ "flash", "hp calculator", "repair", "rom", "socket" ]
https://hackaday.com/wp-…s_feat.jpg?w=800
Buying broken gear for cheap is time honored hacker tradition, and while we might not always be successful in reviving it, rarely do we come away empty handed. There’s always parts to salvage, and you can’t put a price on the knowledge to be gained when poking around inside an interesting piece of hardware. So we’re no...
10
7
[ { "comment_id": "6482448", "author": "Danjovic", "timestamp": "2022-06-09T18:42:25", "content": "Magnet wire is king!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482476", "author": "willmore", "timestamp": "2022-06-09T19:58:21", "content": "HP ...
1,760,372,667.4811
https://hackaday.com/2022/06/09/the-case-for-designer-landline-phones/
The Case For Designer Landline Phones
Kristina Panos
[ "Phone Hacks" ]
[ "ITT Teleconcepts", "landline phone", "ma bell", "phone", "rotary phone", "Teleconcepts" ]
https://hackaday.com/wp-…ed-800.jpg?w=800
Long before the idea of hot dog-shaped iPhone cases, Otter Boxen, or even those swappable Nokia face plates, people were just as likely to express themselves with their landline phones. Growing up at my house in the 80s, the Slimline on the kitchen wall was hidden inside a magneto wall set from the early 1900s, the fro...
34
15
[ { "comment_id": "6482414", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-06-09T17:30:32", "content": "Well, I can imagine a room with both the Beariphone and Teddy Ruxpin both talking at once!https://en.wikipedia.org/wiki/Teddy_Ruxpin", "parent_id": null, "depth": 1, ...
1,760,372,667.605995
https://hackaday.com/2022/06/09/the-compu-tor-is-a-raspberry-pi-laptop-in-a-mahogany-case/
The Compu-tor Is A Raspberry Pi Laptop In A Mahogany Case
Robin Kearey
[ "Cyberdecks", "laptops hacks" ]
[ "cyberdeck", "mahogany", "raspberry pi laptop" ]
https://hackaday.com/wp-…pu-tor.png?w=800
The Compu-tor, designed by [Henry Edwards], is one of those things that doesn’t neatly fit into any categories. It is a clamshell-type portable computer , although unlike most laptops, it doesn’t come with a built-in battery. It has a sleek custom-designed case, but lacks the futuristic sci-fi looks typical of a cyberd...
21
8
[ { "comment_id": "6482386", "author": "RW ver 0.0.3", "timestamp": "2022-06-09T15:44:19", "content": "I was gonna call it perfectly executed Pi-top until I saw the external battery, so I’m downgrading it to “well”.", "parent_id": null, "depth": 1, "replies": [ { "comment_id"...
1,760,372,667.656958
https://hackaday.com/2022/06/09/revolving-doors-arent-just-annoying-theyre-energy-saving-too/
Revolving Doors Aren’t Just Annoying, They’re Energy Saving Too
Lewin Day
[ "Engineering", "green hacks" ]
[ "building", "building services", "door", "doors", "energy efficiency", "hvac", "revolving door", "revolving doors" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
While most of us have been content with swing and sliding doors for the vast majority of our needs around the home, the revolving door remains popular in a wide variety of contexts. It’s a confounding contraption that always feels ready to snatch and ensnare the unwary user. However, these doors do have certain benefit...
43
19
[ { "comment_id": "6482352", "author": "Viktor", "timestamp": "2022-06-09T14:14:33", "content": "Crowd control, HACK the planet.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482355", "author": "psuedonymous", "timestamp": "2022-06-09T14:21:19", "c...
1,760,372,667.74308
https://hackaday.com/2022/06/09/live-floppy-music-adds-elegance-to-any-event/
Live Floppy Music Adds Elegance To Any Event
Tom Nardi
[ "Musical Hacks", "Retrocomputing" ]
[ "electronic music", "floppy", "floppy drive", "music" ]
https://hackaday.com/wp-…c_feat.jpg?w=797
It wasn’t long after early humans started banging rocks together that somebody in the tribe thought they could improve on things a bit by doing it with a little rhythm. As such the first musician was born, and since it would be a couple million years before humanity figured out how to record sound, musical performances...
16
5
[ { "comment_id": "6482310", "author": "Foldi-One", "timestamp": "2022-06-09T11:30:02", "content": "That is a great deal of fun, I’ve never seen anybody use a floppy drive in that way for music, its all been more pipe organ style where each drive or drive grouping plays a note.", "parent_id": null...
1,760,372,667.803847
https://hackaday.com/2022/06/09/a-linux-distribution-for-doom/
A Linux Distribution ForDOOM
Bryan Cockfield
[ "Games", "Linux Hacks" ]
[ "bootable", "busybox", "distribution", "doom", "fbdoom", "iso", "linux" ]
https://hackaday.com/wp-…x-main.png?w=800
If you’ve gone further into the Linux world than the standard desktop distributions like Ubuntu or Fedora, you have undoubtedly come across some more purpose-built distributions. Some examples are Kali for security testing, DragonOS for software-defined radio, or Hannah Montana Linux for certain music fans. Anyone can ...
40
14
[ { "comment_id": "6482287", "author": "Viktor", "timestamp": "2022-06-09T08:18:04", "content": "Linux was the last platform to port to?:D", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482291", "author": "Nath", "timestamp": "2022-06-09T09:30...
1,760,372,667.874821
https://hackaday.com/2022/06/08/a-lab-grade-measurement-microphone-for-not-a-lot/
A Lab-Grade Measurement Microphone For Not A Lot
Jenny List
[ "digital audio hacks" ]
[ "audio", "MEMS", "microphone" ]
https://hackaday.com/wp-…atured.jpg?w=800
The quality of any measurement can only be as good as the instrument used to gather it, and for acoustic measurements, finding a good enough instrument can be surprisingly difficult. Commonly available microphones can be of good quality, but since they are invariably designed for speech or music, they need not have the...
21
6
[ { "comment_id": "6482279", "author": "Morz", "timestamp": "2022-06-09T07:29:20", "content": "Reading the write up, Its a fairly impressive project but looking at the board and implementation it seems to not take into the affects of proper shielding and signal integrity which could likely boost the p...
1,760,372,667.932092
https://hackaday.com/2022/06/08/pyscript-python-in-the-web-browser/
PyScript: Python In The Web Browser
Al Williams
[ "Software Development" ]
[ "browser", "browser based tool", "python", "scripting" ]
https://hackaday.com/wp-…python.png?w=800
A chainsaw can make short work of clearing out the back forty. It can also make a good horror movie. So while some people will say we don’t need another tool to allow more malicious scripting in the browser, we also know that, like any tool, you can use it or abuse it. That tool? PyScript , which is, of course, Python ...
25
11
[ { "comment_id": "6482240", "author": "Gravis", "timestamp": "2022-06-09T02:49:30", "content": "*sigh* The ability to specify the language (per the “type” attribute) in the “script” tag is part of the official HTML. But nooOOOOooo, they just had to go and create an entirely different tag. -_-", ...
1,760,372,667.996896
https://hackaday.com/2022/06/08/unorthodox-toolbox-switcheroo-barbecue/
Unorthodox Toolbox Switcheroo: Barbecue!
Sven Gregori
[ "Misc Hacks" ]
[ "barbecue", "bbq", "grilling", "toolbox", "welding" ]
https://hackaday.com/wp-…ox-bbq.jpg?w=800
Despite all the progress in cooking methods over the past millennia, nothing can ever replace the primeval sensation of staring into the embers as your food slowly gets ready. Barbecues are the obvious choice to satisfy this cave nostalgia, and while size might matter in some cases, sometimes you just want the convenie...
24
11
[ { "comment_id": "6482056", "author": "zoobab", "timestamp": "2022-06-08T09:03:26", "content": "Like a BBQ wit hskewers on a PC case, except those cases have brominated flame retardant, highly toxic:https://www.pinterest.com/pin/388576274079411307/https://en.wikipedia.org/wiki/Brominated_flame_retard...
1,760,372,668.055145
https://hackaday.com/2022/06/07/a-breath-of-fresh-air-for-some-arcade-classics/
A Breath Of Fresh Air For Some Arcade Classics
Sven Gregori
[ "Games", "Raspberry Pi" ]
[ "altoids", "arcade games", "oled", "Raspberry Pi Pico", "rp2040", "snake game" ]
https://hackaday.com/wp-…typico.jpg?w=800
It’s said that good things come in small packages, which is hard to deny when we look at all the nifty projects out there that were built into an Altoids tin. Now, if that’s already true for the regular sized box, we can be doubly excited for anything crammed into their Smalls variety ones, which is what [Kayden Kehe] ...
3
2
[ { "comment_id": "6482101", "author": "w3e3", "timestamp": "2022-06-08T12:41:18", "content": "too small screen(or too big enclosure ;-) )i’m old man i need bigest screen", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482196", "author": "a_do_z", ...
1,760,372,668.209388
https://hackaday.com/2022/06/07/ltspice-tips-and-a-long-tutorial/
LTSpice Tips And A Long Tutorial
Al Williams
[ "Software Hacks" ]
[ "LTSpice", "simulation", "SPICE" ]
https://hackaday.com/wp-…/spice.png?w=800
We always enjoy videos from [FesZ], so when we saw his latest about tips and tricks for LTSpice , we decided to put the 20 minutes in to watch it. But we noticed in the text that he has an entire series of video tutorials about LTSpice and that this is actually episode 30. So there’s plenty to watch. Like any tips and ...
7
5
[ { "comment_id": "6482000", "author": "Drone", "timestamp": "2022-06-08T06:20:07", "content": "The simulations are nice but I don’t see anywhere we can download at least the .asc (schematic) and .plt (plot) files for them. Am I missing something?", "parent_id": null, "depth": 1, "replies"...
1,760,372,668.329181
https://hackaday.com/2022/06/07/the-worlds-most-expensive-3d-printers/
The World’s Most Expensive 3D Printers
Al Williams
[ "News" ]
[ "3d printing" ]
https://hackaday.com/wp-…/06/3d.png?w=800
How much would you pay for a 3D printer? Granted, when we started a decent printer might run over $1,000 but the cost has come way down. Unless of course, you go pro. We were disappointed that this [All3DP] post didn’t include prices , but we noticed a trend: if your 3D printer has stairs, it is probably a big purchase...
9
7
[ { "comment_id": "6481903", "author": "Powder goes in, part comes out.", "timestamp": "2022-06-08T00:13:31", "content": "There are even some industrial “printers” that are combination CNC milling and also laser 3D printing. Best of both worlds?https://www.youtube.com/watch?v=eSnsyNZDgzYThat said, “on...
1,760,372,668.248835
https://hackaday.com/2022/06/07/automate-parts-kitting-with-this-innovative-smd-tape-slicer/
Automate Parts Kitting With This Innovative SMD Tape Slicer
Dan Maloney
[ "Tool Hacks" ]
[ "cutter", "kitting", "linear bearing", "smd", "stepper", "tape" ]
https://hackaday.com/wp-….27.41.png?w=800
Nobody likes a tedious manual job prone to repetitive stress injury, and such tasks rightly inspire an automated solution. This automatic SMD tape cutter is a good example of automating such a chore, while leaving plenty of room for further development. We’re used to seeing such tactical automation projects from [Mr In...
5
3
[ { "comment_id": "6482072", "author": "sxm", "timestamp": "2022-06-08T10:18:01", "content": "I like it. Has that homemade-but-made-well feel.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6482088", "author": "HTF", "timestamp": "2022-06-08T11:28:44", ...
1,760,372,668.289443
https://hackaday.com/2022/06/07/cheap-oscilloscope-is-well-cheap/
Cheap Oscilloscope Is… Well… Cheap
Al Williams
[ "Reviews", "Teardown" ]
[ "FNIRSI", "oscilloscope" ]
https://hackaday.com/wp-…/scope.png?w=800
We always enjoy watching [Kerry Wong] put an oscilloscope through its paces. His recent video is looking at a very inexpensive FNIRSI 1014D ‘scope that you can also find rebranded. You can usually find these for well under $200 at the usual places. Can you get a reasonable scope for that cost? [Kerry] has a list of iss...
55
18
[ { "comment_id": "6481740", "author": "Steven Naslund", "timestamp": "2022-06-07T18:45:31", "content": "I have learned to be very cautious of these cheaper digital scope. When I compare them to high end older analog scopes, I find the digitals miss quite a bit. Especially things like noisy signals ...
1,760,372,668.428216
https://hackaday.com/2022/06/07/how-to-make-a-difference-through-plant-metabolism/
How To Make A Difference Through Plant Metabolism
Maya Posch
[ "green hacks", "Science" ]
[ "carbon cycle", "genetic engineering", "plant metabolism" ]
https://hackaday.com/wp-…_1_web.jpg?w=800
Generally when we consider the many plants around us, we imagine them efficiently using the electromagnetic radiation from the Sun via photosynthesis in their leaves — pulling carbon-dioxide from the air, as well as water from the soil via their roots, and grow as quickly as they reasonably can. In reality, the efficie...
31
8
[ { "comment_id": "6481737", "author": "RW ver 0.0.3", "timestamp": "2022-06-07T18:41:33", "content": "Optimising pigments might be an approach for efficiency boost also…http://hyperphysics.phy-astr.gsu.edu/hbase/Biology/pigpho.html#:~:text=They%20also%20have%20a%20red,that%20increases%20their%20photo...
1,760,372,668.594549
https://hackaday.com/2022/06/07/2022-hackaday-prize-reuse-recycle-and-revamp-all-the-things/
2022 Hackaday Prize: Reuse, Recycle, And Revamp All The Things
Kristina Panos
[ "contests", "green hacks", "Hackaday Columns" ]
[ "2022 Hackaday Prize", "recycle", "recycling", "reuse", "revamp" ]
https://hackaday.com/wp-…-2-800.jpg?w=800
Where has the year gone? It’s already summer in the Northern Hemisphere, and the second Challenge of the 2022 Hackaday Prize ends this weekend, along with your chance at one of ten $500 prizes. If you thrive on last-minute challenges, consider the eleventh hour upon you. But don’t panic; there’s still a decent amount o...
2
1
[ { "comment_id": "6482048", "author": "Mr Name Required", "timestamp": "2022-06-08T08:36:12", "content": "If I am reading this right, someone cut a piece out of a milk bottle (like I and surely countless others) and stuck it on a commercial/consumer vacformer? This is the hack?", "parent_id": nul...
1,760,372,668.475253
https://hackaday.com/2022/06/07/the-wonderfully-weird-wireframe-game-boy-that-actually-works/
The Wonderfully Weird Wireframe Game Boy That Actually Works
Robin Kearey
[ "handhelds hacks" ]
[ "Circuit Sculpture", "game boy", "Game Boy pocket", "wireframe" ]
https://hackaday.com/wp-…me-Boy.png?w=800
We see lots of great hardware projects here at Hackaday: some are extremely clever, some are beautifully made, and some show off their maker’s extraordinary skills. Others are just plain weird, but still manage to include some or even all of the above categories. Case in point: [kgsws]’s Wireframe Game Boy project . It...
10
6
[ { "comment_id": "6481678", "author": "fiddlingjunky", "timestamp": "2022-06-07T15:56:21", "content": "That’s an absolutely bonkers project. This guy needs a brazing torch, though I commend him for using the tools at hand. I sure hope he was using lead-free solder ;)", "parent_id": null, "dep...
1,760,372,668.52105
https://hackaday.com/2022/06/07/ec-hacking-your-laptop-has-a-microcontroller/
EC Hacking: Your Laptop Has A Microcontroller
Arya Voronova
[ "computer hacks", "Microcontrollers" ]
[ "embedded controller", "eSPI", "Framework laptop", "LPC" ]
https://hackaday.com/wp-…g_feat.jpg?w=800
Recently, I stumbled upon a cool write-up by [DHowett], about reprogramming a Framework laptop’s Embedded Controller (EC). He shows us how to reuse the Caps Lock LED, instead making it indicate the F1-F12 key layer state – also known as “Fn lock”, AKA, “Does your F1 key currently work as F1, or does it regulate volume”...
25
8
[ { "comment_id": "6481655", "author": "ec", "timestamp": "2022-06-07T14:46:58", "content": "> “the laptop’s owner can flash EC firmware not approved by Lenovo”Don’t see how it’s limited to just the owner.These are business laptops so it’s expected of them to plug up potential security issues, even on...
1,760,372,668.66052
https://hackaday.com/2022/06/07/the-origin-of-the-fresnel-lens/
The Origin Of The Fresnel Lens
Al Williams
[ "classic hacks" ]
[ "fresnel", "lens", "optics" ]
https://hackaday.com/wp-…resnel.png?w=800
If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an important invention for its day because it revolutionized maritime navigation and, according to a post over at IEEE Spectru...
15
8
[ { "comment_id": "6481595", "author": "Antron Argaiv", "timestamp": "2022-06-07T11:26:35", "content": "Look inside a taillight or a turn signal lens. You’ll see the same stepped pattern. Almost invisible from the outside. Same concept.", "parent_id": null, "depth": 1, "replies": [] }, ...
1,760,372,668.834464
https://hackaday.com/2022/06/07/3d-printed-power-loom-shows-how-complex-weaving-really-is/
3D-Printed Power Loom Shows How Complex Weaving Really Is
Dan Maloney
[ "Misc Hacks" ]
[ "loom", "shuttle", "warp", "weaving", "weft" ]
https://hackaday.com/wp-….39.02.png?w=800
The seemingly humble flying-shuttle loom, originally built to make the weaving of wide cloth faster and easier, stood at the threshold between the largely handcrafted world of the past and the automated world that followed. And judging by how much work went into this miniature 3D-printed power loom , not to mention how...
35
13
[ { "comment_id": "6481569", "author": "Alphatek", "timestamp": "2022-06-07T09:01:05", "content": "It’s all fun and games until the cross beams go askew on the treadle.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481644", "author": "RW ver 0.0.3", ...
1,760,372,668.785149
https://hackaday.com/2022/06/06/how-to-use-lego-bricks-for-data-storage/
How To Use LEGO Bricks For Data Storage
Robin Kearey
[ "computer hacks" ]
[ "data storage", "lego", "punch cards" ]
https://hackaday.com/wp-…eader.jpeg?w=800
Those old enough to have encountered punch cards in their lifetime are probably glad to be rid of their extremely low data density and the propensity of tall stacks to tip over. But obsolete as they may be, they’re a great tool to show the basics of binary data storage: the bits are easily visible and can even be manip...
10
7
[ { "comment_id": "6481555", "author": "MyCo_Guy", "timestamp": "2022-06-07T06:42:29", "content": "This post just comes in time for me. Thank you.I was experimenting with using 4 LDRs and a 4011 to grab data displayed as black and white squares on my monitor.This is definitely an extension to try out....
1,760,372,668.878493
https://hackaday.com/2022/06/06/refilling-single-use-miele-dishwasher-autodos-detergent-dispensing-disks/
Refilling Single-Use Miele Dishwasher AutoDos Detergent Dispensing Disks
Maya Posch
[ "green hacks" ]
[ "miele", "powerdisc", "single use" ]
https://hackaday.com/wp-…erdisk.jpg?w=649
As part of [Erich Styger]’s recent kitchen overhaul with more power-efficient machines, he came across the ‘AutoDos’ feature of the new Miele G 27695-60 dishwasher. These are essentially overpriced containers of dishwashing powder that go into a special compartment of the machine, from which the dishwasher can then dis...
46
12
[ { "comment_id": "6481516", "author": "Mr Name Required", "timestamp": "2022-06-07T02:22:57", "content": "Thank you for the PSA about this dishwasher and its special soap cartridge. I don’t think I’ll be buying one.", "parent_id": null, "depth": 1, "replies": [ { "comment_id...
1,760,372,669.010156
https://hackaday.com/2022/06/08/injekto-injection-machine-reaches-2-0/
Injekto Injection Machine Reaches 2.0
Al Williams
[ "3d Printer hacks" ]
[ "3d printing", "injection molding" ]
https://hackaday.com/wp-…stic-3.png?w=800
Last time we looked in on Injekto — a homemade plastic injection machine — it was at version 1.0. A recent video from the team that you can see below shows version 2 which is much improved and can work with 3D printed molds. Injection molding takes a lot of pressure and the machine certainly looks stout with lots of ma...
22
8
[ { "comment_id": "6482225", "author": "Gravis", "timestamp": "2022-06-08T23:59:34", "content": "Plastic injection molding is nice but aluminum injection molding is much better. Unlike plastic it doesn’t become trash after being used.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,668.932213
https://hackaday.com/2022/06/08/live-subtitles-for-your-life/
Live Subtitles For Your Life
Jenny List
[ "hardware" ]
[ "closed captions", "head-up display", "heads-up", "hud", "subtitles" ]
https://hackaday.com/wp-…atured.jpg?w=800
Personal head-up displays are a technology whose time ought by now to have come, but which notwithstanding attempts such as the Google Glass, have steadfastly refused to catch on. There’s an intriguing possibility in [Basel Saleh]’s CaptionIt project though, a head-up display that provides captions for everyday situati...
17
7
[ { "comment_id": "6482204", "author": "Doug", "timestamp": "2022-06-08T21:40:36", "content": "To each their own, but I don’t see eyeglass mounted HUD’, filling any of my desires or needs, any time soon.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482213",...
1,760,372,669.060158
https://hackaday.com/2022/06/08/retrotechtacular-the-forgotten-vacuum-tube-a-d-converters-of-1965/
Retrotechtacular: The Forgotten Vacuum Tube A/D Converters Of 1965
Dan Maloney
[ "Retrotechtacular" ]
[ "adc", "analong to digital", "att", "bell labs", "crt", "deflection plates", "gray code", "reflected binary code", "shadow mask", "vacuum tube" ]
https://hackaday.com/wp-….20.26.png?w=800
In any era, the story of electronics has very much been about figuring out how to make something happen with what’s available at the time. And as is often the case, the most interesting developments come from occasions when needs exceed what’s available. That’s when real innovation takes place, even if circumstances co...
13
7
[ { "comment_id": "6482180", "author": "daveboltman", "timestamp": "2022-06-08T19:14:45", "content": "“224 Mb/s analog-to-digital converter” – absolutely amazing for the 1960s!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6483187", "author": "William...
1,760,372,669.241609
https://hackaday.com/2022/06/08/handling-bulk-material-the-spice-must-flow/
Handling Bulk Material: The Spice Must Flow!
Anne Ogborn
[ "how-to" ]
[ "bulk material", "conveyor", "conveyor belt", "screw conveyor" ]
https://hackaday.com/wp-…eature.png?w=800
Your [Bornhack] plans include leaving lemons in patterns as an info display. Your squirrel feeder needs to only dispense nuts when the squirrels deserve it. As promised last week , an intro to gating, feeding, and moving bulk material. Gates Bulk material flow needs control. Starting is easy, it’s stopping that’s hard....
5
4
[ { "comment_id": "6482157", "author": "RW ver 0.0.3", "timestamp": "2022-06-08T17:14:20", "content": "So wait, all the bulk material articles were just leading up to where you could use a “The Spice Must Flow” headline/title? :-D", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,669.198601
https://hackaday.com/2022/06/08/induction-heater-uses-new-coil/
Induction Heater Uses New Coil
Bryan Cockfield
[ "cooking hacks" ]
[ "coil", "cooking", "induction", "iron core", "magnetic field", "mazzilli zvs driver", "mosfet", "stove" ]
https://hackaday.com/wp-…r-main.png?w=800
Induction cook tops are among the most efficient ways of cooking in the home that are commercially available to the average person. Since the cook surface uses magnetic fields to generate heat in the cookware itself, there is essentially no heat wasted. There are some other perks too, such as faster cooking times and m...
14
5
[ { "comment_id": "6482145", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-06-08T15:56:18", "content": "“Since the cook surface uses magnetic fields to generate heat in the cookware itself, there is essentially no heat wasted. ”Title Photo: Device with large heat sinks….", "p...
1,760,372,669.289124
https://hackaday.com/2022/06/08/how-is-voyager-still-talking-after-all-these-years/
How Is Voyager Still Talking After All These Years?
Dan Maloney
[ "Featured", "Slider", "Space" ]
[ "Cassegrain", "gain", "parabolic", "reflector", "traveling wave tube amplifier", "TWTA", "voyager" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
The tech news channels were recently abuzz with stories about strange signals coming back from Voyager 1 . While the usual suspects jumped to the usual conclusions — aliens!! — in the absence of a firm explanation for the anomaly, some of us looked at this event as an opportunity to marvel at the fact that the two Voya...
49
13
[ { "comment_id": "6482128", "author": "Ostracus", "timestamp": "2022-06-08T14:32:01", "content": "” To avoid bottlenecks, each Voyager included a Digital Tape Recorder (DTR), which was essentially a fancy 8-track tape deck, to buffer science data for later downlink.”Ah, 8-track we miss you. Good thin...
1,760,372,671.328192
https://hackaday.com/2022/06/08/computer-shaped-lego-brick-brought-to-life/
Computer-Shaped LEGO Brick Brought To Life
Arya Voronova
[ "Art", "Toy Hacks" ]
[ "3D printed lego", "enameled wire", "lego", "lego computer", "minaturization", "miniature computer", "miniaturized", "oled", "oled screen" ]
https://hackaday.com/wp-…d_feat.png?w=800
In childhood, many of us wondered — wouldn’t it be cool if our miniature toys had “real” functions? Say, that our toy cars actually were able to drive, or at least, that the headlights could light up. [James Brown] captures some of this childhood expectation of magic, recreating the 2×2 45°-sloped Lego bricks with comp...
26
9
[ { "comment_id": "6482085", "author": "fho", "timestamp": "2022-06-08T11:17:32", "content": "I love how this is tagged as “art”. Truly impressive.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6482105", "author": "Arya Voronova", "timestamp":...
1,760,372,671.009855
https://hackaday.com/2022/06/06/this-4-desalination-device-provides-drinking-water-for-the-whole-family/
This $4 Desalination Device Provides Drinking Water For The Whole Family
Al Williams
[ "Science" ]
[ "desalination", "mit", "water" ]
https://hackaday.com/wp-…06/mit.png?w=800
Researchers at MIT and in China have improved the old-fashioned solar still with a new inexpensive device that harnesses the sun to remove salt from water . Traditionally, these kinds of systems use a wick to draw water, but once the wick becomes fouled with salt, the device needs cleaning or other maintenance. Not exa...
48
14
[ { "comment_id": "6481324", "author": "SparkyGSX", "timestamp": "2022-06-06T11:34:22", "content": "The description wasn’t very clear to me, but if I understand correctly, the idea is that the water is still evaporated, so it’s basically a solar still, but without the problem of salt crystals depositi...
1,760,372,671.417229
https://hackaday.com/2022/06/06/bug-eliminator-zaps-with-a-laser/
Bug Eliminator Zaps With A Laser
Bryan Cockfield
[ "Laser Hacks" ]
[ "deterrent", "laser", "machine learning", "mosquito", "neural network", "neutralize", "tracking" ]
https://hackaday.com/wp-…r-main.jpg?w=800
Mosquitoes tend to be seen as an almost universal negative, at least in the lives of humans. While they serve as a food source for plenty of other animals and may even pollinate some plants, they also carry diseases like malaria and Zika, not to mention the itchy bites. Various mosquito deterrents have been invented ov...
27
15
[ { "comment_id": "6481306", "author": "hartl", "timestamp": "2022-06-06T08:30:56", "content": "“so it seems like only a matter of time before there is more widespread adoption”Sea lice zapper:https://hackaday.com/2017/04/10/submersible-robots-hunt-lice-with-lasers/", "parent_id": null, "depth...
1,760,372,671.483288
https://hackaday.com/2022/06/05/new-part-day-x1501-makes-for-a-tiny-and-open-linux-som/
New Part Day: X1501 Makes For A Tiny And Open Linux SoM
Arya Voronova
[ "Linux Hacks", "Parts" ]
[ "castellated", "Embedded Linux", "ingenic", "linux", "New Part Day", "som", "system-on-module", "x1501" ]
https://hackaday.com/wp-…m_feat.jpg?w=800
Ever wanted to run Linux in an exceptionally small footprint? Then [Reimu NotMoe] from [SudoMaker] has something for you! She’s found an unbelievably small Linux-able chip in BGA, and designed a self-contained tiny SoM (System on Module) breakout with power management and castellated pads. This breakout contains everyt...
26
11
[ { "comment_id": "6481268", "author": "doragasu", "timestamp": "2022-06-06T05:31:19", "content": "Very interesting board. 64 MiB RAM is enough for lots of things in Linux without GUI and using BusyBox. My only complaint is the small 2 MiB flash, that will barely fit uboot, and a stripped down compres...
1,760,372,671.076393
https://hackaday.com/2022/06/05/quantum-computing-the-first-taste-is-free/
Quantum Computing: The First Taste Is Free
Al Williams
[ "computer hacks", "Software Development" ]
[ "quantum computing", "qubits", "shots" ]
https://hackaday.com/wp-…2/06/q.png?w=800
There are a few ways to access real quantum computers — often for free — over the Internet. However, most of these are previous-generation machines that have limited capabilities. Great for learning, perhaps, but not something you could do anything practical with.  Xanadu, however, has announced what they claim to be a...
3
2
[ { "comment_id": "6481267", "author": "Barış", "timestamp": "2022-06-06T05:24:23", "content": "I am a scientist trying to use “Quantum Computing” (closer to quantum information theory in my case) for my work. My view is usually quite different from a “computer scientist” point of view, since I am mo...
1,760,372,671.114496
https://hackaday.com/2022/06/05/hackaday-links-june-5-2022/
Hackaday Links: June 5, 2022
Dan Maloney
[ "Hackaday Columns", "Hackaday links", "Slider" ]
[ "bioprinting", "cartilage", "collagen", "delivery bot", "ear", "hackaday links", "Hackaday Prize", "Ingenuity", "mars", "Perseverance", "starship", "transplant" ]
https://hackaday.com/wp-…banner.jpg?w=800
The big news this week comes from the world of medicine, where a woman has received a 3D-printed ear transplant . The 20-year-old woman suffered from microtia, a rare congenital deformity that left her without a pinna, the external structure of the ear. Using scans of the normal ear, doctors were able to make a 3D mode...
16
4
[ { "comment_id": "6481188", "author": "RW ver 0.0.3", "timestamp": "2022-06-05T23:04:19", "content": "Go Perseverance, increase the Science to 11 !", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6481199", "author": "Hirudinea", "timestamp": "2022-06-05T...
1,760,372,671.161414
https://hackaday.com/2022/06/05/anyone-can-be-the-master-of-this-master-lock-safe/
Anyone Can Be The Master Of This Master Lock Safe
Arya Voronova
[ "Reverse Engineering", "Security Hacks" ]
[ "2FA", "gun safe", "locksport", "logic analyser", "logic analyzer", "pistol safe", "safe", "uart" ]
https://hackaday.com/wp-…k_feat.png?w=800
[Etienne Sellan] got one of these lovely $5 logic analyzers. As with any shiny new tool, he started looking for things to investigate with it, and his gaze fell on a Sentry Safe (produced by Master Lock). On the surface level, this keypad-equipped safe is designed decently when it comes to privilege separation. You can...
21
10
[ { "comment_id": "6481159", "author": "Lazarus Robotics", "timestamp": "2022-06-05T20:07:26", "content": "If Masterlock gave two hoots about security the lock picking lawyers you tube stream would have dried up long ago.", "parent_id": null, "depth": 1, "replies": [] }, { "comment...
1,760,372,671.231265
https://hackaday.com/2022/06/05/the-ethics-of-when-machine-learning-gets-weird-deadbots/
The Ethics Of When Machine Learning Gets Weird: Deadbots
Donald Papp
[ "Artificial Intelligence", "Machine Learning", "News" ]
[ "ai", "chatbot", "deadbot", "ethics", "machine learning" ]
https://hackaday.com/wp-…/02/AI.jpg?w=800
Everyone knows what a chatbot is, but how about a deadbot? A deadbot is a chatbot whose training data — that which shapes how and what it communicates — is data based on a deceased person. Now let’s consider the case of a fellow named Joshua Barbeau, who created a chatbot to simulate conversation with his deceased fian...
41
19
[ { "comment_id": "6481125", "author": "hmmm", "timestamp": "2022-06-05T17:17:18", "content": "This would provide an excellent opportunity for product sales! The emulated loved one could hawk products, and because they were loved/trusted, a purchase might be more likely.", "parent_id": null, "...
1,760,372,670.896338
https://hackaday.com/2022/06/06/a-solar-frame-from-scratch/
A Solar Frame From Scratch
Matthew Carlson
[ "Solar Hacks" ]
[ "CNC plasma", "kris", "milling", "solar", "woodworking" ]
https://hackaday.com/wp-…_array.png?w=800
“From scratch” is a bit of a murky expression. How scratchy does it get? Are you just baking your bread yourself or are you growing your own wheat? Rolling your own solar installation probably doesn’t involve manufacturing your own photovoltaic cells. But when it comes to making the frame to hold your panels, why not m...
14
7
[ { "comment_id": "6481487", "author": "hinspect", "timestamp": "2022-06-06T23:44:50", "content": "Dang! Those Footers are not going to walk off if they are dug & poured", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6481493", "author": "gershwin", "time...
1,760,372,670.948795
https://hackaday.com/2022/06/06/using-a-lidar-sensor-to-monitor-your-mailbox/
Using A LIDAR Sensor To Monitor Your Mailbox
Robin Kearey
[ "home hacks" ]
[ "home-assistant", "lidar", "mailbox", "mqtt" ]
https://hackaday.com/wp-…onitor.jpg?w=800
The inconvenience of having to walk to your mailbox to check for mail has inspired many hackers to install automated systems that let them know when the mail has been delivered. Mailbox monitors have been made based on several different mechanisms: some measure the weight of the items inside, some use cameras and machi...
31
9
[ { "comment_id": "6481468", "author": "Amiable Ninja", "timestamp": "2022-06-06T21:44:33", "content": "The inconvenience of walking to the mailbox? What the heck is wrong with you Nancy?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481475", "autho...
1,760,372,671.544999
https://hackaday.com/2022/06/06/live-glucose-monitoring-with-the-apple-watch/
Live Glucose Monitoring With The Apple Watch
Al Williams
[ "Medical Hacks" ]
[ "apple watch", "blood glucose", "continuous glucose monitor" ]
https://hackaday.com/wp-…lucose.png?w=800
There has been a rumor that Apple is working on a glucose monitoring solution for the Apple watch. [Harley] decided not to wait and managed to interface an Abbot FreeStyle Libre sensor with the Apple watch . The sensor doesn’t directly read glucose continuously, but it does allow for more frequent reading which can hel...
27
11
[ { "comment_id": "6481444", "author": "Hirudinea", "timestamp": "2022-06-06T19:10:37", "content": "Maybe Abbott should talk to Harley about putting this into all their sensors?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481496", "author": "The Co...
1,760,372,672.269156
https://hackaday.com/2022/06/06/outline-2022-everyone-should-go-to-a-demo-party/
Outline 2022: Everyone Should Go To A Demo Party
Jenny List
[ "computer hacks", "cons" ]
[ "demo", "demo party", "demoscene", "outline" ]
https://hackaday.com/wp-…mbnail.jpg?w=600
The community of Hackaday readers is diverse and talented, and supplies us with plenty of motivation, feedback, knowledge, and of course cool stuff to show you. There are many interest streams within it, but it’s safe to say that we’re more directed towards the hardware scene here. One of those parallel streams which h...
9
7
[ { "comment_id": "6481410", "author": "Lily", "timestamp": "2022-06-06T17:16:11", "content": "This is definitely on my bucket list. I just wish they were more popular in the US.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481560", "author": "pelru...
1,760,372,672.324023
https://hackaday.com/2022/06/06/aerial-robotics-hack-chat/
Aerial Robotics Hack Chat
Dan Maloney
[ "Hackaday Columns", "Slider" ]
[ "Hack Chat" ]
https://hackaday.com/wp-…96192.jpeg?w=800
Join us on Wednesday, June 8 at noon Pacific for the Aerial Robotics Hack Chat with Nick Rehm ! When it comes to robots, especially ones that need to achieve some degree of autonomy, the more constrained the environment they work in, the easier it is for them to deal with the world. An industrial arm tethered next to a...
2
2
[ { "comment_id": "6481447", "author": "greg", "timestamp": "2022-06-06T19:17:01", "content": "I thought the great genius Musk, Time mag’s Man of the Year, would have perfected 3D functioning robots by now. Didn’t he claim several years ago that for something like $60 million he could encircle the Ear...
1,760,372,671.998889
https://hackaday.com/2022/06/06/original-xbox-v1-6-ram-upgrade-stacks-tqfp-chips/
Original XBox V1.6 RAM Upgrade Stacks TQFP Chips
Arya Voronova
[ "computer hacks", "Xbox Hacks" ]
[ "hacking the xbox", "memory upgrade", "ram upgrade", "tssop", "xbox" ]
https://hackaday.com/wp-…_feat.jpeg?w=800
RAM upgrades for the original XBox have been a popular mod — you could relatively easily bump your RAM from 64MB to 128MB. While it wouldn’t give you any benefit in most games written to expect 64MB, it does help with emulators, game development, and running alternative OSes like Linux. The XBox PCB always had footprin...
11
7
[ { "comment_id": "6481396", "author": "Feinfinger (super villain in nostalgy mode)", "timestamp": "2022-06-06T16:16:02", "content": "I stacked RAM in TRS-80 days and later in Atari-ST. Seeing that done today gives me a wide smile!;-D", "parent_id": null, "depth": 1, "replies": [] }, ...
1,760,372,672.205523
https://hackaday.com/2022/06/06/laser-propulsion-could-satisfy-our-spacecrafts-need-for-speed/
Laser Propulsion Could Satisfy Our Spacecraft’s Need For Speed
Lewin Day
[ "Science", "Space" ]
[ "laser", "laser propulsion", "space", "space propulsion", "space vehicle design", "spacecraft" ]
https://hackaday.com/wp-…l_feat.jpg?w=800
There are many wonderful places we’d like to visit in the universe, and probably untold numbers more that we haven’t even seen or heard of yet. Unfortunately…they’re all so darn far away. A best-case-scenario trip to Mars takes around six months with present technology, meanwhile, if you want to visit Alpha Centauri it...
51
14
[ { "comment_id": "6481360", "author": "WereCatf", "timestamp": "2022-06-06T14:13:28", "content": "A 100GW laser in a craft that weighs 1 gram and you have to somehow fit the power-source for the laser in that 1 gram as well? Uhh…", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,672.153391
https://hackaday.com/2022/06/05/odd-inputs-and-peculiar-peripherals-the-gamebug-turns-your-breadboard-into-a-game-console/
Odd Inputs And Peculiar Peripherals: The GameBug Turns Your Breadboard Into A Game Console
Robin Kearey
[ "Games", "handhelds hacks" ]
[ "arduino", "GameBug", "Joystick", "solderless breadboard" ]
https://hackaday.com/wp-…dboard.jpg?w=800
What’s more fun than playing video games? Designing your own video game hardware, of course! If you’ve followed these pages long enough you’ll have seen dozens of great examples of homebrew hardware, and perhaps been inspired to try such a project yourself. This often starts with assembling the basic bits onto a solder...
1
1
[ { "comment_id": "6481448", "author": "Niklas Roy", "timestamp": "2022-06-06T19:40:29", "content": "What a brilliant idea! Love the flexibility of this :) Adding a little TFT module with SD slot would make it a nice cartridge game.", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,372,671.962654
https://hackaday.com/2022/06/05/thats-no-asteroid-oh-actually-it-is/
That’s No Asteroid…Oh, Actually It Is
Al Williams
[ "News", "Space" ]
[ "Asteroids" ]
https://hackaday.com/wp-…/aster.png?w=800
How important is it to identify killer asteroids before they strike your planet? Ask any dinosaurs. Oh, wait… Granted you also need a way to redirect them, but interest in finding them has picked up lately including a new privately funded program called the Asteroid Institute . Using an open-source cloud platform known...
27
7
[ { "comment_id": "6481087", "author": "bluecat57", "timestamp": "2022-06-05T12:17:35", "content": "Not important at all. As useful as drills in preparation for a nuclear attack.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481108", "author": "Phil ...
1,760,372,672.062851
https://hackaday.com/2022/06/05/softmod-an-xbox-and-run-your-own-software/
Softmod An Xbox, And Run Your Own Software
Donald Papp
[ "Xbox Hacks" ]
[ "jailbreak", "modding", "softmod", "xbox" ]
https://hackaday.com/wp-…odding.jpg?w=800
The original Xbox might be old hardware, but that doesn’t mean it’s not worth messing with. Wonder what it takes to softmod an original Xbox? Modding is essentially jailbreaking, and soft modding is doing it using an entirely software-driven process, with no need to crack open the case or mess with electronics. Don’t l...
17
9
[ { "comment_id": "6481068", "author": "darkspr1te", "timestamp": "2022-06-05T08:59:04", "content": "or you can just pull the eeprom to get the hdd unlock code, then using linux you can setup any new hdd with all the games and program you could want the re-lock the drive and throw it back into your OG...
1,760,372,672.470721
https://hackaday.com/2022/06/04/universal-tft-display-backpack-helps-small-displays-shine/
Universal TFT Display Backpack Helps Small Displays Shine
Donald Papp
[ "Microcontrollers" ]
[ "backpack", "breakout board", "driver", "i2c", "microcontroller", "tft" ]
https://hackaday.com/wp-…inance.jpg?w=800
TFT technology might be ancient news for monitors and TVs, but it’s alive and well when it comes to hobbyist electronics and embedded devices. They’ve now become even easier to integrate, thanks to the Universal TFT Display Backpack design by [David Johnson-Davies]. Breakout board, compatible with pinouts of most small...
16
4
[ { "comment_id": "6481057", "author": "Mr Name Required", "timestamp": "2022-06-05T07:33:29", "content": "I had no idea that interface boards er driver boards er riser cards er piggyback boards er daughter boards were called ‘backpacks’ these days. Nice project.", "parent_id": null, "depth": ...
1,760,372,672.376656
https://hackaday.com/2022/06/04/gaze-inside-these-nanopower-op-amps/
Gaze Inside These Nanopower Op-Amps
Donald Papp
[ "Parts", "Reverse Engineering" ]
[ "closeup", "decapping", "LPV801", "LPV821", "nanopower", "op-amp" ]
https://hackaday.com/wp-…ackage.jpg?w=800
[Robo] over at Tiny Transistor Labs has a fascinating look at what’s inside these modern, ultra low-power devices that consume absolutely minuscule amounts of current. Crank up the magnification, and go take a look at the dies on these two similar (but internally very different) devices. Texas Instruments LPV801, under...
2
2
[ { "comment_id": "6481081", "author": "paulvdh", "timestamp": "2022-06-05T11:06:37", "content": "More opamp die pictures:https://www.eevblog.com/forum/projects/opamps-die-pictures/And of course richis-lab with lots of pictures of various IC’s. From 40+ variants of the 555 to all the clones of the STM...
1,760,372,672.416582
https://hackaday.com/2022/06/04/ingenious-indigenous-artful-screw-conveyor/
Ingenious Indigenous Artful Screw Conveyor
Anne Ogborn
[ "how-to" ]
[ "metal forming", "metal work", "screw conveyor" ]
https://hackaday.com/wp-…eature.png?w=800
Many of us have heard the name Archimedes’ screw — but not everyone knows the term screw conveyor. These folks (sadly, the videographer at [Breeze Media] doesn’t tell us their names, or the company name) has the process of building screw conveyors down to a fine art. Screw conveyors are useful, but many folks shy away ...
27
10
[ { "comment_id": "6481009", "author": "Dagobert", "timestamp": "2022-06-04T23:20:37", "content": "OSHA…?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481016", "author": "Gravis", "timestamp": "2022-06-04T23:43:45", "content": "Why w...
1,760,372,672.54682
https://hackaday.com/2022/06/04/diy-keyboard-cant-get-much-smaller/
DIY Keyboard Can’t Get Much Smaller
Donald Papp
[ "Peripherals Hacks" ]
[ "keyboard", "macropad", "micro", "mini", "pi pico", "Raspberry Pi Pico" ]
https://hackaday.com/wp-…n-wide.jpg?w=800
The PiPi Mherkin really, really can’t get much smaller. The diminutive keyboard design mounts directly to the Pi Pico responsible for driving it, has a similar footprint, and is only about 9 mm thick. It can’t get much smaller since it’s already about as small as the Pi Pico itself. Running on the Pi Pico is the PRK fi...
6
3
[ { "comment_id": "6481041", "author": "waldo", "timestamp": "2022-06-05T04:51:20", "content": "Nice project. Mini keyboards are useful for all sorts of projects, like off-grid communicators, and cyberdecks. It sounds like he didn’t provide enough tolerance in the top plate holes (in addition to needi...
1,760,372,672.688527
https://hackaday.com/2022/06/04/make-your-own-virtual-set/
Make Your Own Virtual Set
Matthew Carlson
[ "Video Hacks", "Virtual Reality" ]
[ "ArUco", "green screen", "unreal engine", "video processing", "virtual production" ]
https://hackaday.com/wp-…_large.png?w=800
An old adage says out of cheap, fast, and good, choose two. So if you’re like [Philip Moss] and trying to make a comedy series on a limited budget rapidly, you will have to take some shortcuts to have it still be good. One shortcut [Philip] took was to do away with the set and make it all virtual . If you’ve heard abou...
13
4
[ { "comment_id": "6480946", "author": "Mmmdee", "timestamp": "2022-06-04T17:35:35", "content": "The video accompanying this article was much more fun to watch than I originally expected. We may really be “living“ in a simulation or the Matrix.", "parent_id": null, "depth": 1, "replies": [...
1,760,372,672.735532
https://hackaday.com/2022/06/04/the-dangerously-delightful-homemade-rockets-of-thailand/
The Dangerously Delightful Homemade Rockets Of Thailand
Dan Maloney
[ "Misc Hacks" ]
[ "gunpowder", "gyroscopic", "parachute", "recovery", "rocket", "thailand" ]
https://hackaday.com/wp-….33.14.png?w=800
Every once in a while, we here at Hackaday stumble across something that doesn’t quite fit in with all the other amazing hacks we feature, but still seems like something that our dear readers need to see as soon as possible. This video of homemade rockets in Thailand is one of those things. It comes to us from our frie...
25
13
[ { "comment_id": "6480932", "author": "Then", "timestamp": "2022-06-04T16:08:13", "content": "This is great :) nice video also, but why tha ‘nasa launch sequence’ voice over in the intro, wouldve prefered to hear the thai announcer (as briefly heard at the last launch)", "parent_id": null, "d...
1,760,372,672.843037
https://hackaday.com/2022/06/04/a-home-payphone/
A Home Payphone
Al Williams
[ "Phone Hacks" ]
[ "payphone", "phone", "telephone" ]
https://hackaday.com/wp-…/06/pp.png?w=800
We can’t condone what [Bertrand] did as a kid to make him a fan of payphones, but we get his desire to have one of his own in his home . Even if you don’t want one yourself, he’s got some good shots of the insides of a real phone that came from a casino in Vegas. As you might expect, these phones were built like tanks....
9
8
[ { "comment_id": "6480892", "author": "Antron Argaiv", "timestamp": "2022-06-04T12:20:35", "content": "I did the same thing…bought one off eBay. Mine is a 3-slot rotary dial one, made by Automatic Electric. It’s been gutted to make it compatible with a normal phone line (the coin relay has been remo...
1,760,372,672.951663
https://hackaday.com/2022/06/04/sorry-your-internet-connection-is-slow/
Sorry, Your Internet Connection Is Slow
Al Williams
[ "Network Hacks" ]
[ "fiber optic", "network" ]
https://hackaday.com/wp-…/fiber.png?w=800
How fast is your Internet connection? The days of 56K modems are — thankfully — long gone for most of us. But before you get too smug with your gigabit fiber connection, have a look at what researchers from the Network Research Institute in Japan have accomplished. Using a standard diameter fiber, they’ve moved data at...
27
10
[ { "comment_id": "6480866", "author": "12AU76L6GC", "timestamp": "2022-06-04T08:31:03", "content": "It is also really surprising how much throughput you can get with off the shelf DWDM transceivers running multiple colors on conventional single mode fiber. The Raman pumps were probably because of the...
1,760,372,673.183011
https://hackaday.com/2022/06/03/wooden-keycaps-minus-the-cnc/
Wooden Keycaps Minus The CNC
Kristina Panos
[ "how-to", "Peripherals Hacks" ]
[ "DSA keycaps", "hand tools", "keycap", "woodworking" ]
https://hackaday.com/wp-…ps-800.jpg?w=800
What’s the most important part of the keycap? The average user-who-cares might tell you it’s the look and feel, but a keyboard builder would probably say the mounting style. That’s where the rubber meets the road, after all. For anyone trying to make their own keycaps, ‘the mount itself’ is definitely the correct answe...
3
2
[ { "comment_id": "6481045", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-06-05T05:33:59", "content": "“Hardwood is a must for DIY keycaps”AIUI, deciduous trees are hardwood, but some hardwoods are softer than some softwoods.B^)", "parent_id": null, "depth": 1, "repl...
1,760,372,672.908545
https://hackaday.com/2022/06/03/optimizing-linux-pipes/
Optimizing Linux Pipes
Al Williams
[ "Linux Hacks", "News", "Software Development" ]
[ "linux", "optimization", "pipes" ]
https://hackaday.com/wp-…6/pipe.png?w=800
In CPU design, there is Ahmdal’s law. Simply put, it means that if some process is contributing to 10% of your execution, optimizing it can’t improve things by more than 10%. Common sense, really, but it illustrates the importance of knowing how fast or slow various parts of your system are. So how fast are Linux pipes...
28
8
[ { "comment_id": "6480848", "author": "Amiable Ninja", "timestamp": "2022-06-04T05:46:34", "content": "You have blown my mind.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6480867", "author": "Alphatek", "timestamp": "2022-06-04T09:04:05", "conten...
1,760,372,673.120084
https://hackaday.com/2022/06/03/track-your-cats-weight-through-this-internet-connected-litter-box/
Track Your Cat’s Weight Through This Internet-Connected Litter Box
Robin Kearey
[ "home hacks" ]
[ "cat litter box", "IoT", "load cells" ]
https://hackaday.com/wp-…atform.jpg?w=800
With feline obesity on the rise, keeping track of your cat’s weight is an important part of keeping them healthy. However, a weighing session can be anything from a routine job to a painful procedure, depending on your cat’s temperament. [Andy]’s cat Ellie is one of those who dislike being weighed, so in order to track...
26
12
[ { "comment_id": "6480784", "author": "RW ver 0.0.1", "timestamp": "2022-06-03T23:04:32", "content": "Our lord and master the internet hath provided all the guidance required…https://pbs.twimg.com/media/DkPxGfnXsAEaCp4?format=jpg", "parent_id": null, "depth": 1, "replies": [] }, { ...
1,760,372,673.305593
https://hackaday.com/2022/06/02/surprisingly-stomp-able-soft-switches/
Surprisingly Stomp-able Soft Switches
Kristina Panos
[ "classic hacks", "hardware" ]
[ "button", "foam", "momentary", "switch", "washers" ]
https://hackaday.com/wp-…ns-800.jpg?w=800
Competition sure brings out the brute in people, doesn’t it? So what do you do when you need a bunch of switches you can let people fist-pound or stomp on repeatedly without them taking damage? You could look to the guitar pedal industry and their tough latching switches, or you could simply build your own smash-resist...
13
7
[ { "comment_id": "6480440", "author": "StripeyType (@StripeyType)", "timestamp": "2022-06-02T16:39:02", "content": "Ohhh boy.Anyhow, yes. This is precisely how certain kinds of Devices are Improvised.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480469", ...
1,760,372,673.241838
https://hackaday.com/2022/06/02/the-great-euro-sat-hack-should-be-a-warning-to-us-all/
The Great Euro Sat Hack Should Be A Warning To Us All
Lewin Day
[ "Current Events", "Featured", "Misc Hacks", "Security Hacks", "Slider" ]
[ "satellite", "satellite broadband", "satellite hack", "satellite internet" ]
https://hackaday.com/wp-…atHack.jpg?w=800
Military officials and civilian security researchers have been warning us for years: cyberattacks are becoming a very real part of modern warfare. Far from being limited to military targets, cyberattacks can take out everything from vital public infrastructure to commercial and industrial operations, too. In the early ...
46
16
[ { "comment_id": "6480403", "author": "David", "timestamp": "2022-06-02T14:11:20", "content": "Zero thousand replacements isn’t much more than zero replacements ;P", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481255", "author": "FEW", "time...
1,760,372,673.387871
https://hackaday.com/2022/06/02/life-sized-colonial-viper-touches-down-in-australia/
Life-Sized Colonial Viper Touches Down In Australia
Tom Nardi
[ "Transportation Hacks" ]
[ "battlestar galactica", "cockpit", "replica", "viper" ]
https://hackaday.com/wp-…d_feat.jpg?w=800
Don’t worry, this 8.4 meter (27 foot) Australian Viper won’t bite, but it’s likely to do a number on any Cylon Raiders that wander too close to Canberra. As recently reported by Riotact , creator [Baz Am] has been painstakingly piecing together this 1:1 scale replica of a Colonial Viper Mark II from the reimagined Batt...
15
8
[ { "comment_id": "6480377", "author": "robomonkey", "timestamp": "2022-06-02T12:51:22", "content": "It’s like he’s building the Blackbird. Chief Tyrol would be proud!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480426", "author": "Darketh", ...
1,760,372,673.442502
https://hackaday.com/2022/06/02/have-you-heard-of-mcga/
Have You Heard Of MCGA?
Jenny List
[ "computer hacks", "Retrocomputing" ]
[ "ibm", "MCGA", "PS/2", "vga" ]
https://hackaday.com/wp-…atured.jpg?w=800
In the world of PC graphics, the early standards followed the various video cards of the day. There was MDA, familiar through the original text-based DOS prompt, CGA, then EGA, and the non-IBM Hercules along the way. Finally in 1987 IBM produced the VGA, or Video Graphics Array standard for their PS/2 line of computers...
21
13
[ { "comment_id": "6480342", "author": "OG", "timestamp": "2022-06-02T09:04:40", "content": "What makes me laugh… OK, scoff, is when people to this day try to use some of these ridiculous monikers to describe resolutions. WTF is “WXGA?” Oh, and by the way, do you have EXTENDED or EXPANDED memory in yo...
1,760,372,673.493577
https://hackaday.com/2022/06/01/dissecting-a-t1-line/
Dissecting A T1 Line
Jenny List
[ "Network Hacks" ]
[ "powerpc", "router", "T1" ]
https://hackaday.com/wp-…atured.jpg?w=800
When it comes to internet connections, here in 2022 so many of us have it easy. Our ISP provides us with a fibre, cable, or DSL line, and we just plug in and go. It’s become ubiquitous to the extent that many customers no longer use the analogue phone line that’s so often part of the package. But before there was easy ...
13
10
[ { "comment_id": "6480318", "author": "Gregg Eshelman", "timestamp": "2022-06-02T06:23:51", "content": "I like that during bootup it says it’s an evil_empire_T1_router", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6480325", "author": "hardwerker", "tim...
1,760,372,673.543393
https://hackaday.com/2022/06/01/building-faster-rsync-from-scratch-in-go/
Building Faster Rsync From Scratch In Go
Bryan Cockfield
[ "Software Development" ]
[ "c++", "custom", "fast", "fiber", "file transfer", "Go", "gokrazy", "internet", "linux", "refactoring", "router", "rsync", "speed" ]
https://hackaday.com/wp-…c-main.png?w=800
For a quick file transfer between two computers, SCP is a fine program to use. For more complex, large, or regular backups, however, the go-to tool is rsync. It’s faster, more efficient, and usable in a wider range of circumstances. For all its perks, [Michael Stapelberg] felt that it had one major weakness: it is a to...
53
17
[ { "comment_id": "6480292", "author": "Gravis", "timestamp": "2022-06-02T03:37:10", "content": "If you want to ditch Linux to improve speed then that’s fine because there is FreeRTOS. I assure you, it would run even faster.", "parent_id": null, "depth": 1, "replies": [ { "c...
1,760,372,673.632109
https://hackaday.com/2022/06/01/its-tiktok-on-your-wrist/
It’s TikTok, On Your Wrist!
Jenny List
[ "Microcontrollers", "Wearable Hacks" ]
[ "ESP32", "TikTok", "watch" ]
https://hackaday.com/wp-…atured.jpg?w=800
One of the ultimate objects of desire in the early 1980s was the Seiko TV wristwatch. It didn’t matter that it required a bulky external box in your pocket for its electronics, it was a TV on your wrist, and the future was here! Of course, now we have the technology to make wrist-mounted video a practical reality, but ...
9
3
[ { "comment_id": "6480258", "author": "RW ver 0.0.1", "timestamp": "2022-06-01T23:09:22", "content": "That’s a poor attempt at a Dad joke, like the eye-pad when we wanted an iPad. This is what we really want…https://www.theodmgroup.com/wp-content/uploads/2011/07/dsc02083.jpg", "parent_id": null, ...
1,760,372,673.829866
https://hackaday.com/2022/06/03/recycled-speed-boat-beats-the-barnacles-out-of-your-average-rebuild/
Recycled Speed Boat Beats The Barnacles Out Of Your Average Rebuild
Ryan Flowers
[ "Engine Hacks", "Transportation Hacks" ]
[ "boat", "fiberglass", "rebuild" ]
https://hackaday.com/wp-…atured.jpg?w=800
There’s an old saying that says “Anything is possible with enough Time, Money, or Brains. Pick two.” For [Mr HỒ Thánh Chế], the choice was obvious: Time, and Brains. This is evident by the impressive DIY boat build shown in the video below the break . [Mr HỒ] starts with an Isuzu marine diesel engine that was apparentl...
33
11
[ { "comment_id": "6480638", "author": "EBo", "timestamp": "2022-06-03T09:25:44", "content": "WOW! That engine rebuild was out of this world. I never would have thought that he could have salvaged that engine. Well done!", "parent_id": null, "depth": 1, "replies": [ { "com...
1,760,372,673.899418
https://hackaday.com/2022/06/02/practical-transistors-jfets/
Practical Transistors: JFETs
Al Williams
[ "Misc Hacks" ]
[ "jfet", "mosfet", "transistor" ]
https://hackaday.com/wp-…ET-800.jpg?w=800
Transistors come in different flavors. Tubes used an electric field to regulate current flow, and researchers wanted to find something that worked the same way without the drawbacks like vacuum and filament voltages. However, what they first found — the bipolar transistor — doesn’t work the same way. It uses a small cu...
16
7
[ { "comment_id": "6480613", "author": "Michael Black", "timestamp": "2022-06-03T05:46:40", "content": "What’s i teresting is that when Jfets came along in the mid-sixties, they were tkuted for their ability to withstand cross-modulation. That’s forradio use.But in 1971, there was a bipolar transisto...
1,760,372,673.787705
https://hackaday.com/2022/06/02/3d-printed-protection-against-under-door-attacks/
3D Printed Protection Against “Under-Door” Attacks
Donald Papp
[ "Security Hacks" ]
[ "3d printed", "hotel security", "physical security", "under-door attack" ]
https://hackaday.com/wp-…rd-big.jpg?w=800
“Under-door” style attacks are when an attacker slides a tool through the gap underneath a door, hooks the interior handle from below, and opens the door by pulling the handle downward. This kind of attack works on the sort of doors and locks commonly found in hotels, where turning the handle from the inside always res...
44
17
[ { "comment_id": "6480567", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-06-03T02:14:53", "content": "A similar technique is how I accessed the network closets at a former workplace.The IT group figured they knew our infrastructure needs better than we did.They soon gave us the...
1,760,372,674.172727
https://hackaday.com/2022/06/02/3d-printing-with-sound-directly/
3D Printing With Sound, Directly
Al Williams
[ "3d Printer hacks", "Science" ]
[ "3d printing", "ultrasonic" ]
https://hackaday.com/wp-…sp-800.jpg?w=800
Canadian researchers at Concordia University want to change how you do 3D printing. Instead of using light or thermal mechanisms, they propose using ultrasound-activated sonochemical reactions. Sounds wild? You can see a video about it below, or read the paper in Nature . The idea is that sound causes bubbles of cavita...
16
5
[ { "comment_id": "6480543", "author": "metalman", "timestamp": "2022-06-02T23:26:34", "content": "ultrasonic transducers are used in humidifiers and parts cleanersand all sorts of other stuff,I would bet that the ultrasonic recievers used in medical gear are the exotic parts,that and theimageing soft...
1,760,372,673.952181
https://hackaday.com/2022/06/02/power-up-your-pencil-with-the-30000-rpm-erase-o-matic/
Power Up Your Pencil With The 30,000 RPM Erase-O-Matic
Robin Kearey
[ "Misc Hacks" ]
[ "eraser", "mechanical pencil", "motorized eraser" ]
https://hackaday.com/wp-…-matic.jpg?w=800
There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often, it turns out that there is some niche use case where such tools make complete sense, as is the case for motorized erasers. Ha...
20
8
[ { "comment_id": "6480511", "author": "Severe Tire Damage", "timestamp": "2022-06-02T20:51:58", "content": "The youtube “thing” these days seems to be somebody with an absurd expression holding up whatever gadget they have brewed up. I am hoping this will pass soon. It sort of reminds me of the jok...
1,760,372,674.006774
https://hackaday.com/2022/06/02/led-heart-keeps-tabs-on-your-runescape-character/
LED Heart Keeps Tabs On YourRuneScapeCharacter
Tom Nardi
[ "Games", "LED Hacks", "Software Hacks" ]
[ "api", "physical display", "RuneScape" ]
https://hackaday.com/wp-…t_feat.jpg?w=800
The MMORPG RuneScape holds a special place in the hearts of those who played it in the early 2000s. Sure it might seem exceptionally quaint by modern standards, but at the time it was groundbreaking stuff. Plus you could play it for free, which certainly helped get people onboard. While there’s a more modern build avai...
8
5
[ { "comment_id": "6480480", "author": "PWalsh", "timestamp": "2022-06-02T18:37:33", "content": "All these great I/O devices… that aren’t entries in the ongoing I/O contest?Doesn’t anyone use Hackaday.io any more?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": ...
1,760,372,674.26831
https://hackaday.com/2022/06/02/linux-fu-easy-widgets/
Linux Fu: Easy Widgets
Al Williams
[ "Hackaday Columns", "Linux Hacks" ]
[ "kde", "linux", "plasmoid" ]
https://hackaday.com/wp-…inuxFu.jpg?w=800
Here’s a scenario. You have a microcontroller that reads a number of items — temperatures, pressures, whatever — and you want to have a display for your Linux desktop that sits on the panel and shows you the status. If you click on it, you get expanded status and can even issue some commands. Most desktops support the ...
5
5
[ { "comment_id": "6480453", "author": "Greg A", "timestamp": "2022-06-02T17:15:34", "content": "heh i don’t use any desktop environment (i like fvwm). to achieve this, I run from .xinitrc:xterm -ut -T status -n status -geometry 40×1-0+0 -cr black -fn -e status_script &in .fvwm2rc:Style “status” NoT...
1,760,372,674.221206
https://hackaday.com/2022/06/03/quick-tip-improves-seven-segment-led-visibility/
Quick Tip Improves Seven-Segment LED Visibility
Tom Nardi
[ "LED Hacks" ]
[ "7 segment LED display", "filter", "LED display", "tint" ]
https://hackaday.com/wp-…t_feat.jpg?w=800
We’re suckers for a nice seven-segment LED display around these parts, and judging by how often they seem to pop up in the projects that come our way, it seems the community is rather fond of them as well. But though they’re cheap, easy to work with, and give off that all important retro vibe, they certainly aren’t per...
34
17
[ { "comment_id": "6480748", "author": "zog", "timestamp": "2022-06-03T20:09:04", "content": "This is why commercial products tend to use a red film over the LED displays. Don’t people tear things apart anymore?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "...
1,760,372,674.3373
https://hackaday.com/2022/06/03/3d-printed-template-makes-perfect-dovetail-joints/
3D Printed Template Makes Perfect Dovetail Joints
Robin Kearey
[ "Tool Hacks" ]
[ "dovetail", "routing template", "woodworking" ]
https://hackaday.com/wp-…il-jig.jpg?w=800
Dovetail joints on a piece of furniture are one of those features that make it say “master carpenter” rather than “IKEA”. Traditional hand-made dovetails require accurate measurements and even more accurate sawing and chiseling, skills that may take years to develop. A slightly less artisanal method is to use a router ...
14
4
[ { "comment_id": "6480759", "author": "Phil Barrett", "timestamp": "2022-06-03T20:51:47", "content": "I made something similar but used polycarbonate and cut them on a CNC machine. Sadly, they polycarbonate simply does not hold up well enough so I switched to aluminum which does.", "parent_id": ...
1,760,372,674.382549
https://hackaday.com/2022/06/03/nasa-turns-to-commercial-partners-for-spacesuits/
NASA Turns To Commercial Partners For Spacesuits
Tom Nardi
[ "Current Events", "Featured", "News", "Slider", "Space" ]
[ "Artemis", "artemis program", "moon", "nasa", "spacesuit", "SpaceX" ]
https://hackaday.com/wp-…s_feat.jpg?w=800
When NASA astronauts aboard the International Space Station have to clamber around on the outside of the orbiting facility for maintenance or repairs, they don a spacesuit known as the Extravehicular Mobility Unit (EMU). Essentially a small self-contained spacecraft in its own right, the bulky garment was introduced in...
27
10
[ { "comment_id": "6480721", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-06-03T17:29:00", "content": "I think Duluth Trading Company should be given a go at it.B^)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6481036", "author...
1,760,372,674.44818
https://hackaday.com/2022/06/03/hackaday-podcast-171-rent-the-apple-toolkit-diy-an-industrial-cnc-or-save-the-birds-with-3d-printing/
Hackaday Podcast 171: Rent The Apple Toolkit, DIY An Industrial CNC, Or Save The Birds With 3D Printing
Dan Maloney
[ "Artificial Intelligence", "Hackaday Columns", "Podcasts", "Slider" ]
[ "Hackaday Podcast" ]
https://hackaday.com/wp-…ophone.jpg?w=800
Join Hackaday Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney for a tour of the week’s best and brightest hacks. We begin with a call for point-of-sale diversity, because who wants to carry cash? We move on to discussing glass as a building material, which isn’t really easy, but at least it can be sintered...
4
2
[ { "comment_id": "6480743", "author": "Cmholm", "timestamp": "2022-06-03T19:54:08", "content": "No GitHub link in the show notes, so I’m forced to ask when Elliot is going to release the Foodanator?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480988", ...
1,760,372,674.490053
https://hackaday.com/2022/06/03/3d-printed-flexture-shows-precision-in-action/
3D Printed Flexure Shows Precision In Action
Donald Papp
[ "Parts" ]
[ "3d printed", "dial indicator", "flexure", "levers" ]
https://hackaday.com/wp-…enshot.png?w=800
Here’s an older but fantastic video that is as edifying as it is short. [Topias Korpi] demonstrates a 3D printed flexure with a dial indicator on one end, and an M3 screw on the other . As the screw is turned, the dial indicator moves steadily with roughly a 15:1 reduction between the movement of the screw and the indi...
18
8
[ { "comment_id": "6480700", "author": "paulvdh", "timestamp": "2022-06-03T15:13:42", "content": "Small tip:When you design a flexture, then don’t “drill” round holes around the hinge points, because these are huge stress risers and and promote premature failure through fatgue. Instead, use a thin sec...
1,760,372,674.540649
https://hackaday.com/2022/06/03/this-week-in-security-follina-open-redirect-rce-and-annoyware/
This Week In Security: Follina, Open Redirect RCE, And Annoyware
Jonathan Bennett
[ "Hackaday Columns", "News", "Security Hacks" ]
[ "Annoyware", "github", "tails", "This Week in Security" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
Depending on who you ask, there’s either 2 vulnerabilities at play in Follina, only one, or according to Microsoft a week ago, no security problem whatsoever. On the 27th of last month, a .docx file was uploaded to VirusTotal, and most of the tools there thought it was perfectly normal. That didn’t seem right to [@nao_...
1
1
[ { "comment_id": "6481001", "author": "Adam", "timestamp": "2022-06-04T22:28:09", "content": "Why after more than 20 years of such bugs MS Office by default allows running arbitrary commands on users machine without asking?", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,372,674.842689