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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2025/01/06/turns-out-humans-are-terrible-at-intuiting-knot-strength/ | Turns Out Humans Are Terrible At Intuiting Knot Strength | Donald Papp | [
"Science"
] | [
"illusion",
"knots",
"physics"
] | We are deeply intuitively familiar with our everyday physical world, so it was perhaps a bit of a surprise when researchers discovered a blind spot in our intuitive physical reasoning: it seems
humans are oddly terrible at judging knot strength
.
One example is the reef knot (top) vs. the grief knot (bottom). One is co... | 36 | 17 | [
{
"comment_id": "8079673",
"author": "H Hack",
"timestamp": "2025-01-06T12:08:41",
"content": "The reef knot is what you want. There are two mistakes you can do which will give you either a thief knot or a granny knot.If you combine both mistakes you’ll get a grief knot.If your shoelaces keep coming... | 1,760,371,677.985488 | ||
https://hackaday.com/2025/01/06/mechanical-calculator-finds-derivitives/ | Mechanical Calculator Finds Derivatives | Al Williams | [
"Misc Hacks"
] | [
"calculus",
"derivimeter",
"derivitive",
"slide rule"
] | We like mechanical calculators like slide rules, but we have to admit that we had not heard of the
Ott Derivimeter
that [Chris Staecker] shows us in a recent video. As the name implies, the derivimeter finds the derivative of a function. To do that, you have to plot the function on a piece of paper that the meter can m... | 14 | 8 | [
{
"comment_id": "8079661",
"author": "Jervais",
"timestamp": "2025-01-06T10:38:39",
"content": "It did however fail to find the correct spelling for “derivatives” 😂",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8079747",
"author": "Elliot Williams"... | 1,760,371,678.232477 | ||
https://hackaday.com/2025/01/05/shining-through-germanium-and-gold-leaf-transparency/ | Shining Through: Germanium And Gold Leaf Transparency | Heidi Ulrich | [
"News",
"Science"
] | [
"germanium",
"gold",
"gold leaf",
"infrared",
"ir",
"light",
"optics",
"transparency"
] | Germanium. It might sound like just another periodic table entry (number 32, to be exact), but in the world of infrared light, it’s anything but ordinary.
A recent video by [The Action Lab]
dives into the fascinating property of germanium being transparent to infrared light. This might sound like sci-fi jargon, but it’... | 26 | 10 | [
{
"comment_id": "8079628",
"author": "Dude",
"timestamp": "2025-01-06T07:53:07",
"content": "There’s nothing odd about semiconductors being transparent to light. Electrically conductive materials absorb light well because they have “loose” electrons that can freely interact with the photons while in... | 1,760,371,678.175985 | ||
https://hackaday.com/2025/01/05/perfecting-20-minute-pcbs-with-laser/ | Perfecting 20 Minute PCBs With Laser | Al Williams | [
"Laser Hacks",
"PCB Hacks"
] | [
"fiber laser",
"pcb"
] | Normally, you have a choice with PCB prototypes: fast or cheap. [Stephen Hawes] has been trying fiber lasers to create PCBs. He’s
learned a lot
which he shares in the video below. Very good-looking singled-sided boards take just a few minutes. Fiber lasers are not cheap but they are within range for well-off hackers an... | 41 | 11 | [
{
"comment_id": "8079625",
"author": "Christoph",
"timestamp": "2025-01-06T07:01:53",
"content": "I see more use in this for creating front panels. As for PCBs, I can get 5 50×50 6 layer boards for less than €2 (excl. shipping) in a week.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,678.113632 | ||
https://hackaday.com/2025/01/03/high-performance-risc-v/ | High Performance RISC-V | Al Williams | [
"FPGA",
"News"
] | [
"cpu",
"RISC-V",
"superscalar"
] | From the Institute of Computing Technology division of the Chinese Academy of Sciences and Peng Cheng Laboratory comes a high-performance and well-documented RISC-V core called
XiangShan
.
In the Git repository, you’ll find several branches including at least two stable branches: Yanqihu and Nanhu. The currently develo... | 12 | 7 | [
{
"comment_id": "8079119",
"author": "alialiali",
"timestamp": "2025-01-04T07:58:29",
"content": "Looks like it has a branch prediction unit (top right yellow block in the diagram). I didn’t look at any code but it’s also on the README.md architecture diagram.When I heard no prediction I did think t... | 1,760,371,678.332809 | ||
https://hackaday.com/2025/01/03/math-on-a-checkerboard/ | Math On A Checkerboard | Bryan Cockfield | [
"classic hacks"
] | [
"algorithm",
"binary",
"checkerboard",
"chess board",
"division",
"math",
"multiplication",
"square root"
] | The word “algorithm” can sometimes seem like a word designed to scare people away from math classes, much like the words “calculus”, “Fourier transform”, or “engineering exam”. But in reality it’s just a method for solving a specific problem, and we use them all the time whether or not we realize it. Taking a deep dive... | 6 | 6 | [
{
"comment_id": "8079236",
"author": "bobmounger",
"timestamp": "2025-01-04T15:02:59",
"content": "medieval chess+math gamehttps://en.wikipedia.org/wiki/Rithmomachia",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8079297",
"author": "Adam",
"timestamp"... | 1,760,371,677.901727 | ||
https://hackaday.com/2025/01/03/custom-firmware-adds-capabilities-to-handie-talkie/ | Custom Firmware Adds Capabilities To Handie Talkie | Bryan Cockfield | [
"Radio Hacks"
] | [
"custom firmware",
"firmware",
"ham radio",
"handheld",
"handie talkie",
"ht",
"radio",
"spectrum",
"td-h3",
"td-h8",
"tidradio",
"usb"
] | Although ham radio can be an engaging, rewarding hobby, it does have a certain reputation for being popular among those who would fit in well at gated Florida communities where the preferred mode of transportation is the golf cart. For radio manufacturers this can be a boon, as this group tends to have a lot of money a... | 58 | 11 | [
{
"comment_id": "8079058",
"author": "freedomunit",
"timestamp": "2025-01-04T00:36:59",
"content": "“popular among those who would fit in well at gated Florida communities where the preferred mode of transportation is the golf cart”I moved to Florida recently, and I promise golf carts are an all-age... | 1,760,371,678.43682 | ||
https://hackaday.com/2025/01/03/landing-soon-this-beautiful-weather-display/ | Landing Soon: This Beautiful Weather Display | Kristina Panos | [
"Microcontrollers",
"Misc Hacks"
] | [
"Circuit Sculpture",
"lander",
"particle photon",
"Particle Photon 2",
"TFT display"
] | All wiring is beautiful, except when it isn’t. But is there anything more lovely to behold than circuit sculpture? Once again, [Mohit Bhoite] has made this process look easy like Sunday morning. This time, he’s created
a weather display in the form of a lander
.
This lander runs on the Particle Photon 2, which connects... | 5 | 4 | [
{
"comment_id": "8079031",
"author": "Dave",
"timestamp": "2025-01-03T22:40:58",
"content": "That looks great, especially with the lighting used for the photography.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8079157",
"author": "Teds",
"timestamp"... | 1,760,371,678.284382 | ||
https://hackaday.com/2025/01/03/organizing-components-the-easy-way/ | Organizing Components, The Easy Way | Al Williams | [
"hardware"
] | [
"component storage",
"parts",
"storage"
] | There’s an old joke: What do you get someone who has everything? A place to put it. For hackers like [Christian], everything is a hoard of priceless electronic components. His
solution
is using small zipper bags, either regular plastic or anti-static. These attach using hook and loop fastener to plastic binder sheets w... | 50 | 24 | [
{
"comment_id": "8078981",
"author": "Ox",
"timestamp": "2025-01-03T19:10:49",
"content": "The best thing for through hole resistors is plastic test tubes in a rack. I remove them from the tape and store them in the tubes and they are ready to go. A tube will hold about 25 resistors or so. 1 valu... | 1,760,371,678.522734 | ||
https://hackaday.com/2025/01/03/hackaday-podcast-episode-302-scroll-wheels-ball-screws-and-a-new-year-for-usb-c/ | Hackaday Podcast Episode 302: Scroll Wheels, Ball Screws, And A New Year For USB-C | Al Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | After a bit too much eggnog, Elliot Williams and Al Williams got together to see what Hackaday had been up to over the holiday. Turns out, quite a bit. There was a lot to cover, but the big surprise was the “What’s that Sound” competition. Do you know who had the correct answer from the last show? No one! So they guys ... | 3 | 3 | [
{
"comment_id": "8079280",
"author": "Brad Skaggs",
"timestamp": "2025-01-04T19:10:14",
"content": "For the discussion in the last segment, definitely check out “The Box: How the Shipping Container Made the World Smaller and the World Economy Bigger” by Marc Levinson if you want to read an interesti... | 1,760,371,678.031707 | ||
https://hackaday.com/2025/01/03/3d-printed-case-turns-pixel-6-pro-into-palmtop/ | 3D Printed Case Turns Pixel 6 Pro Into Palmtop | Tom Nardi | [
"Android Hacks",
"handhelds hacks"
] | [
"3D printed enclosure",
"palmtop",
"Pixel 6"
] | Despite initial interest in the 1990s and early 2000s, palmtop computers never really took off. Realistically most consumers were probably satisfied enough with smartphones as they became more widely available, but those of us who would prefer a real keyboard on our mobile devices are still feeling the pain. Today ther... | 33 | 13 | [
{
"comment_id": "8078949",
"author": "theking",
"timestamp": "2025-01-03T17:18:48",
"content": "That’s funny, I’m actually working on a similar project for a OnePlus 6t (for postmarketOS) but I was going to have it wired so it can be a powerbank and USB hub too.The keyboard I was going to use is fro... | 1,760,371,678.699503 | ||
https://hackaday.com/2025/01/03/this-week-in-security-iocontrol-location-leaking-cars-and-passkeys/ | This Week In Security: IOCONTROL, (Location) Leaking Cars, And Passkeys | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"bitlocker",
"Doubleclickjack",
"This Week in Security"
] | Claroty’s TEAM82 has a report on a new malware strain,
what they’re calling IOCONTROL
. It’s a Linux malware strain aimed squarely at embedded devices. One of the first targets of this malware, surprisingly, is the Iraeli made Orpak gas station pumps. There’s a bit of history here, as IOCONTROL is believed to be used b... | 11 | 7 | [
{
"comment_id": "8078942",
"author": "echodelta",
"timestamp": "2025-01-03T16:48:27",
"content": "With U-Block Origin I never see a pop up or silly stuff. Never pay for gas with anything but cash. All of our gas station-convenience stores are run South Asians so less trust there. India in Indiana?",... | 1,760,371,678.888635 | ||
https://hackaday.com/2025/01/03/fpv-flying-in-mixed-reality-is-easier-than-youd-think/ | FPV Flying In Mixed Reality Is Easier Than You’d Think | Tom Nardi | [
"drone hacks",
"Virtual Reality"
] | [
"augmented reality",
"FPV",
"fpv flight",
"fpv goggles",
"Meta Quest"
] | Flying a first-person view (FPV) remote controlled aircraft with goggles is an immersive experience that makes you feel as if you’re really sitting in the cockpit of the plane or quadcopter. Unfortunately, while your wearing the goggles, you’re also completely blind to the world around you. That’s why you’re supposed t... | 12 | 9 | [
{
"comment_id": "8078899",
"author": "Illucidator",
"timestamp": "2025-01-03T12:21:14",
"content": "I started running FPV with Epson Moverio bt-100 with external video adapter board in 2011. 10 years later I upgraded to a Moverio bt-40 for the increase in resolution and native external video input.W... | 1,760,371,678.959133 | ||
https://hackaday.com/2025/01/03/pico-pal-puts-rp2350-into-game-boy-color-shell/ | Pico Pal Puts RP2350 Into Game Boy Color Shell | Tom Nardi | [
"handhelds hacks",
"Microcontrollers",
"Nintendo Hacks"
] | [
"game boy color",
"GBC",
"retrofit",
"rp2350"
] | While modern gaming systems deliver ever more realistic experiences, there’s still something to be said for the consoles and handhelds of the 80s and 90s. For many, the appeal is nostalgic. Others are attracted to the “lo-fi” graphical and sound design of these games, necessitated by the limited hardware of the time.
T... | 14 | 7 | [
{
"comment_id": "8078864",
"author": "CJay",
"timestamp": "2025-01-03T09:53:03",
"content": "“While modern gaming systems deliver ever more realistic experiences, there’s still something to be said for the consoles and handhelds of the 80s and 90s. For many, the appeal is nostalgic. Others are attra... | 1,760,371,678.834431 | ||
https://hackaday.com/2025/01/02/dress-up-your-3d-prints-with-toner-transfer-labels/ | Dress Up Your 3D Prints With Toner-Transfer Labels | Dan Maloney | [
"3d Printer hacks"
] | [
"acrylic",
"graphics",
"label",
"laser",
"laser printer",
"polyurethane",
"toner",
"transfer"
] | We’ve always found the various methods for adding text and graphics to 3D prints somewhat underwhelming. Embossed or debossed characters are fuzzy, at best, and multi-color printers always seem to bleed one color into the next. Still, the need for labels and logos is common enough that it’s worth exploring other method... | 25 | 12 | [
{
"comment_id": "8078846",
"author": "makes you go hmmmm....",
"timestamp": "2025-01-03T08:27:43",
"content": "Its so easy to order durable full color high res UV DTF transfers its hard to bother with less than results from a hacked together solution these days. $18 gets you 6 inches by 22 inches in... | 1,760,371,679.088078 | ||
https://hackaday.com/2025/01/02/555-timers-bring-christmas-charm-to-miniature-village/ | 555 Timers Bring Christmas Charm To Miniature Village | Tom Nardi | [
"Holiday Hacks",
"LED Hacks"
] | [
"555",
"Christmas decoration",
"christmas village",
"relaxation oscilator"
] | The miniature Christmas village is a tradition in many families — a tiny idyllic world filled happy people, shops, and of course, snow. It’s common to see various miniature buildings for sale around the holidays just for this purpose, and since LEDs are small and cheap, they’ll almost always have some switch on the bot... | 10 | 6 | [
{
"comment_id": "8078827",
"author": "UnderSampled",
"timestamp": "2025-01-03T04:32:56",
"content": "My thoughts went to the flickering code used by many game lights. Is it ironic that I should suggest this could be even better (or at least, nerdier) if a microcontroller was used?https://web.archive... | 1,760,371,679.016311 | ||
https://hackaday.com/2025/01/02/the-ultimate-distraction-free-writing-environment/ | The Ultimate Distraction Free Writing Environment | Jenny List | [
"computer hacks"
] | [
"distraction free",
"dos",
"word processor"
] | The art of writing has become a cluttered one to follow, typically these days through a graphical word processor. There may be a virtual page in front of you, but it’s encumbered by much UI annoyance. To combat this a variety of distraction free software and appliances have been created over the years.
But it’s perhaps... | 42 | 15 | [
{
"comment_id": "8078806",
"author": "Jason",
"timestamp": "2025-01-03T01:06:15",
"content": "Personally I would fire up either one of my classic Macs or my Atari Mega ST both have very clean GUIs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8079141",
... | 1,760,371,679.381512 | ||
https://hackaday.com/2025/01/02/a-modern-battery-for-a-classic-laptop/ | A Modern Battery For A Classic Laptop | Bryan Cockfield | [
"Retrocomputing"
] | [
"18650",
"battery",
"HP",
"hp-110plus",
"laptop",
"lead-acid",
"lithium",
"retrocomputing",
"ups",
"USB C",
"USB-PD"
] | Aside from their ability to operate fairly well in extreme temperatures, lead-acid batteries don’t have many benefits compared to more modern battery technology. They’re heavy, not particularly energy dense, have limited charge cycles, and often can’t be fully discharged without damage or greatly increased wear. With t... | 13 | 5 | [
{
"comment_id": "8078769",
"author": "kjsldjflk lkjsdlkjfdsf",
"timestamp": "2025-01-02T21:48:40",
"content": "Could have dropped 4 LiFePO4 cells in this with a BMS and it would have basically been a drop in replacement for the lead acid cells assuming the total voltage was 12v, otherwise adjust the... | 1,760,371,679.170381 | ||
https://hackaday.com/2025/01/02/crafting-a-cardboard-tribute-to-puzzle-bobble/ | Crafting A Cardboard Tribute To Puzzle Bobble | Heidi Ulrich | [
"Arduino Hacks",
"Games",
"Retrocomputing",
"Toy Hacks"
] | [
"arduino",
"Arduino Uno",
"bust-a-move",
"lua",
"mame",
"puzzle bobble",
"puzzlebobble",
"retro gaming"
] | What do you get when you cross cardboard, deodorant rollers, and a love for retro gaming? A marvel of DIY engineering that
brings the arcade classic Puzzle Bobble to life
—once again! Do you remember the original Puzzle Bobble aiming mechanism
we featured 12 years ago
? Now, creator [TomTilly] has returned with a revam... | 2 | 2 | [
{
"comment_id": "8078772",
"author": "H",
"timestamp": "2025-01-02T21:59:19",
"content": "Totally pointless, I love it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8079961",
"author": "jimjimmitybeebo",
"timestamp": "2025-01-07T02:38:43",
"conte... | 1,760,371,679.226172 | ||
https://hackaday.com/2025/01/02/programming-ada-atomics-and-other-low-level-details/ | Programming Ada: Atomics And Other Low-Level Details | Maya Posch | [
"Hackaday Columns",
"Software Development"
] | [
"ada",
"atomics",
"software development"
] | Especially within the world of multi-threaded programming does atomic access become a crucial topic, as multiple execution contexts may seek to access the same memory locations at the same time. Yet the exact meaning of the word ‘atomic’ is also essential here, as there is in fact not just a single meaning of the word ... | 6 | 2 | [
{
"comment_id": "8079715",
"author": "Luke",
"timestamp": "2025-01-06T14:46:29",
"content": "You keep saying “ada 2022 library” when it’s an Ada 2022feature.You don’t need to add Atomic to your types:type Atomic_Integer is new Integer with Atomic;package IAO is new System.Atomic_Operations.Integer_A... | 1,760,371,679.278274 | ||
https://hackaday.com/2025/01/02/2024-as-the-hardware-world-turns/ | 2024: As The Hardware World Turns | Tom Nardi | [
"Current Events",
"Featured",
"Original Art"
] | [
"3d printing",
"boeing",
"CH32",
"sao",
"voyager",
"Year in Review"
] | With 2024 now officially in the history books, it’s time to take our traditional look back and reflect on some of the top trends and stories from the past twelve months as viewed from the unique perspective Hackaday affords us. Thanks to the constant stream of tips and updates we receive from the community, we’ve got a... | 22 | 7 | [
{
"comment_id": "8078683",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2025-01-02T15:11:55",
"content": "I’m glad you didn’t list controversial Hackaday articles about non‐software/ hardware that seemed to be written to generate lots of comments.",
"parent_id": null,
"dept... | 1,760,371,679.451624 | ||
https://hackaday.com/2025/01/02/diyfpv-a-new-home-for-drone-builders/ | DIYFPV: A New Home For Drone Builders | Tom Nardi | [
"drone hacks",
"Parts"
] | [
"drone",
"first person view",
"FPV"
] | If you’re looking to get into flying first-person view (FPV) remote controlled aircraft, there’s an incredible amount of information available online. Seriously, it’s ridiculous. In fact, between the different forums and the countless YouTube videos out there, it can be difficult to sort through the noise and actually ... | 30 | 8 | [
{
"comment_id": "8078653",
"author": "Bogus Boy",
"timestamp": "2025-01-02T13:28:13",
"content": "Enjoy it while you can. Probably by 2030 multirotors, parts and RC equipment in general (except for shit-tier children toy stuff) will be as restricted (if not more) as lab equipment and certa... | 1,760,371,679.531696 | ||
https://hackaday.com/2025/01/02/light-brite-turned-sci-fi-console-on-the-cheap/ | Light Brite Turned Sci-Fi Console On The Cheap | Tom Nardi | [
"Art",
"Toy Hacks"
] | [
"control panel",
"finishing",
"prop",
"sci-fi",
"weathering"
] | Generally, the projects featured on Hackaday actually
do
something. We won’t go as far as to say they are practical creations, but they usually have some kind of function other than to sit there and blink. But what if just sitting still and blinking away randomly is precisely what you want a piece of hardware to do?
Th... | 13 | 7 | [
{
"comment_id": "8078664",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2025-01-02T14:01:08",
"content": "I didn’t know about this guy.Thanks for the “introduction”!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8078672",
"author": "jbx"... | 1,760,371,679.637985 | ||
https://hackaday.com/2025/01/01/broken-usb-lamp-saved-with-a-bit-of-woodworking/ | Broken USB Lamp Saved With A Bit Of Woodworking | Tom Nardi | [
"LED Hacks",
"Repair Hacks"
] | [
"lamp",
"LED lamp",
"woodworking"
] | For many of us, when we think of creating a custom enclosure, our minds immediately go towards our 3D printer. A bit of time in your CAD program of choice, and in an hour (or several), you’ve got a bespoke plastic box. A hacker’s dream come true.
But extruded plastic is hardly perfect. For one thing, you might want a f... | 1 | 1 | [
{
"comment_id": "8078974",
"author": "CityZen",
"timestamp": "2025-01-03T18:56:59",
"content": "A future improvement could be to incorporate the button and driver into the base, with just a short cord to attach to the power bank.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,679.579398 | ||
https://hackaday.com/2025/01/01/protect-your-site-with-a-doom-captcha/ | Protect Your Site With ADOOMCaptcha | Jenny List | [
"Games",
"internet hacks"
] | [
"captcha",
"does it run doom",
"doom"
] | We all know that “Can it run
DOOM
?” is the first question of a hardware hacker. The 1993 first person shooter from id Software defined an entire genre of games, and has since been made open source, appearing on almost everything. Everything, that is, except a Captcha, those annoying “Are you a human” tests where we’re... | 25 | 9 | [
{
"comment_id": "8078539",
"author": "Srav",
"timestamp": "2025-01-02T05:36:25",
"content": "I might not be best doom player but passing that seems impossible, though problem might be me since i don’t even know what is a traffic lamp…",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,371,679.756645 | ||
https://hackaday.com/2025/01/04/self-driving-like-its-1993/ | Self Driving Like It’s 1993 | Al Williams | [
"car hacks"
] | [
"driver assist",
"driver assistance",
"full self driving"
] | In a stunning example of the Baader Meinhof effect, we’ve recently heard several times this week about events like the “carbage run.” That is, a motoring event where you can only buy some garbage car to compete. In the case of [Robbe Derks], the idea was to take a six-day journey to the polar circle in a car. But not j... | 20 | 5 | [
{
"comment_id": "8079362",
"author": "Dude",
"timestamp": "2025-01-05T03:35:50",
"content": "Self driving cars were achieved in the 1980’s. The question is merely about the definition – whether it’s succeeding 95% of the time, or 99% of the time, or 99.9%… etc. How often does the driver have to inte... | 1,760,371,679.695082 | ||
https://hackaday.com/2025/01/04/poe-power-protection-the-hornet-nest-alarm-panel/ | PoE-Power Protection: The Hornet Nest Alarm Panel | Heidi Ulrich | [
"home hacks",
"Security Hacks"
] | [
"alarm panel",
"ESP32",
"esphome",
"home-assistant",
"PoE",
"power over ethernet",
"usb",
"wESP32"
] | Have you ever thought of giving new buzz to outdated wired alarm systems or saving money while upgrading your home security? The Hornet Nest Alarm Panel, to which hacker [Patrick van Oosterwijck] contributes, does just that. Designed for domotics enthusiasts, it offers 42 sensor zones and seamless integration with Home... | 31 | 10 | [
{
"comment_id": "8079345",
"author": "John",
"timestamp": "2025-01-05T01:41:20",
"content": "Water sensors wake up the family to do something about basement flooding at 3am. Fire sensors are handy when out of the house with no-one around to call the fire department. Security companies charge ridicul... | 1,760,371,679.981121 | ||
https://hackaday.com/2025/01/04/how-crane-games-are-playing-claw-games-with-the-player/ | How Crane Games Are Playing Claw Games With The Player | Maya Posch | [
"Games"
] | [
"arcade",
"crane game",
"gambling",
"game of chance",
"solenoid"
] | Fresh from AliExpress, [Big Clive] got another fascinating item to tear down:
a crane claw
, as used in those all too familiar carnival games. These games feature a claw the player moves into position above a pile of toys or other items. Lower the claw gently down in the hopes that it grabs the target item. In a perfec... | 42 | 17 | [
{
"comment_id": "8079299",
"author": "Jonathan Wilson",
"timestamp": "2025-01-04T21:11:32",
"content": "So many of these arcade machines (not just the claw machines but many others) are as rigged as any slot machine.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,371,680.066287 | ||
https://hackaday.com/2025/01/04/pi-pico-makes-sstv-reception-a-snap/ | Pi Pico Makes SSTV Reception A Snap | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"decoder",
"ham",
"Martin",
"pi pico",
"Scottie",
"Slow-scan television",
"SSTV"
] | There’s a paradox in amateur radio: after all the time and effort spent getting a license and all the expense of getting some gear together, some new hams suddenly find that they don’t have a lot to talk about when they get in front of the mic. While that can be awkward, it’s not a deal-breaker by any means, especially... | 10 | 7 | [
{
"comment_id": "8079271",
"author": "lightislight",
"timestamp": "2025-01-04T18:15:32",
"content": "Great use case for a 2040 PIco. I’ll never get sick of those microcontrollers or projects like these. Seeing individuals be able to purchase a 3 USD board and some 50 cent components wire up what is... | 1,760,371,679.908985 | ||
https://hackaday.com/2025/01/04/resolution-share-inspiration/ | Resolution: Share Inspiration | Elliot Williams | [
"Hackaday Columns"
] | [
"happy new year",
"newsletter",
"resolution"
] | It’s been a good 2025 so far! I just got back from
Chaos Communication Congress
, which is easily my favorite gigantic hacker conference of the year. (Partisan Hackaday pride puts Supercon up as my favorite moderate-sized conference, naturally.) CCC is
huge
. And it’s impossible to leave an event like that without your... | 5 | 5 | [
{
"comment_id": "8079257",
"author": "Jon",
"timestamp": "2025-01-04T17:29:09",
"content": "My list for this year:Christmas ornament reusable platforms:– Ch32 led per gpio, 1 resistor, usbc board edge target 1$ bom plus board– Esp32 neopixel 2020 wledCrawl space inspection and mapping robot majority... | 1,760,371,680.151012 | ||
https://hackaday.com/2025/01/04/button-debouncing-with-smart-interrupts/ | Button Debouncing With Smart Interrupts | Bryan Cockfield | [
"Microcontrollers"
] | [
"buttons",
"debounce",
"inputs",
"interrupts",
"isr",
"microcontrollers",
"timer"
] | Debouncing button or switch inputs on microcontrollers can be a challenging problem for those first starting to program these devices. Part of the reason for this difficulty is that real-world buttons don’t behave like the idealized textbook components we first learn about, and therefore need special consideration to o... | 55 | 17 | [
{
"comment_id": "8079165",
"author": "Rick",
"timestamp": "2025-01-04T12:05:28",
"content": "Yay, 555s Forever.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8079168",
"author": "Mike",
"timestamp": "2025-01-04T12:15:20",
"content": "why bother. S... | 1,760,371,680.246413 | ||
https://hackaday.com/2025/01/04/a-new-life-for-a-conference-badge-weighing-bees/ | A New Life For A Conference Badge, Weighing Bees | Jenny List | [
"green hacks"
] | [
"badgelife",
"bees",
"EMF camp",
"tilda",
"TiLDA Mk.e"
] | We love electronic conference badges here at Hackaday, but it’s undeniable that many of them end up gathering dust after the event. Most of them are usable as development boards though, so it’s nice to see them appear in projects from time to time. [Benjamin Blundell] has a good one,
he’s using an EMF Camp 2014 badge t... | 3 | 3 | [
{
"comment_id": "8079283",
"author": "Zachary W Williams",
"timestamp": "2025-01-04T19:38:27",
"content": "I love this. I actually BOUGHT some 10-20 dollar e ink badges and price tags with the 10 to 100+ year “battery” life and theyre amazing. I program with my phones nfc and they just stay on . Som... | 1,760,371,680.111244 | ||
https://hackaday.com/2025/01/01/38c3-taking-down-the-power-grid-over-radio/ | 38C3: Taking Down The Power Grid Over Radio | Elliot Williams | [
"Security Hacks",
"Wireless Hacks"
] | [
"38C3",
"infrastructure",
"power grid",
"radio"
] | You know how you can fall down a rabbit hole when you start on a project? [Fabian Bräunlein] and [Luca Melette] were looking at a box on a broken streetlamp in Berlin. The box looked like a relay, and it contained a radio. It was a Funkrundsteueremfänger – a radio controlled power controller – made by a company called ... | 20 | 8 | [
{
"comment_id": "8078498",
"author": "Jason",
"timestamp": "2025-01-02T01:14:23",
"content": "I similar situation could happen with enough hacked IOT devices.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8078586",
"author": "Johnu",
"timest... | 1,760,371,680.343396 | ||
https://hackaday.com/2025/01/01/floss-weekly-episode-814-the-banksy-situation/ | FLOSS Weekly Episode 814: The Banksy Situation | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"FRRouting"
] | This week,
Jonathan Bennett
and
Rob Campbell
talk with
Alistair Woodman
about FRRouting, the Internet routing suite that helps make all this possible. But also business, and how an open source project turns the corner into a successful way to support programmers.
FRR
https://github.com/FRRouting/frr
https://frrouting.o... | 1 | 1 | [
{
"comment_id": "8078446",
"author": "irox",
"timestamp": "2025-01-01T22:10:06",
"content": "As far as my understanding goes… for those curious.The Banksy Situation: Published non-commercial (open source?) code is art, and there fore not subject to The Cyber Resilience Act.(Unless somebody uses it i... | 1,760,371,680.285026 | ||
https://hackaday.com/2025/01/01/2024-brought-even-more-customization-to-boxes-py/ | 2024 Brought Even More Customization To Boxes.py | Tom Nardi | [
"Laser Hacks",
"Software Development"
] | [
"boxes",
"laser cut",
"laser cut box",
"parametric"
] | If you have access to a laser cutter, we sincerely hope you’re aware of
boxes.py
. As the name implies, it started life as a Python tool for generating parametric boxes that could be assembled from laser-cut material, but has since become an invaluable online resource for all sorts of laser projects. Plus, you can
stil... | 20 | 4 | [
{
"comment_id": "8078413",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2025-01-01T20:16:39",
"content": "Now to get a laser cutter.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8078424",
"author": "The Commenter Formerly Known As... | 1,760,371,680.409982 | ||
https://hackaday.com/2025/01/01/led-wall-clock-gets-raspberry-pi-pico-upgrade/ | LED Wall Clock Gets Raspberry Pi Pico Upgrade | Tom Nardi | [
"clock hacks",
"Microcontrollers"
] | [
"KiCAD",
"ntp",
"Pi Pico W",
"seven segment LED"
] | When [Rodrigo Feliciano] realized that the reason his seven-segment LED wall clock wasn’t working was because the original TG1508D5V5 controller was fried, he had a decision to make. He could either chuck the whole thing, or put in the effort to reverse engineer how the displays were driven and replace the dead control... | 11 | 2 | [
{
"comment_id": "8078360",
"author": "SETH",
"timestamp": "2025-01-01T16:56:27",
"content": "Interestingly this LCD panel is well known for the meme which claims that a certain day and time was on the display in BTTF. This was generally photoshopped to show a different date from the film. Eventual... | 1,760,371,680.460048 | ||
https://hackaday.com/2025/01/01/creating-temporal-light-reflections-with-metamaterials/ | Creating Temporal Light Reflections With Metamaterials | Maya Posch | [
"Science"
] | [
"metamaterials",
"reflection",
"reflections"
] | Owing to the wave nature of light there are many ways that such different waves can interact with each other, but also with materials. Everyone knows about reflecting light with a mirror, which is a property of materials like metals, but specific structures can cause the light to behave in a way that creates rather ama... | 8 | 3 | [
{
"comment_id": "8078317",
"author": "arcturus",
"timestamp": "2025-01-01T13:58:35",
"content": "Cool, and somewhat weird. Not sure I understood this. Could this perhaps make giant space telescopes more practically realizeable? It would be so cool if we one day could directly image extrasolar planet... | 1,760,371,680.505056 | ||
https://hackaday.com/2025/01/01/turning-a-lada-into-an-ev-with-50-cordless-drills-because-why-not/ | Turning A Lada Into An EV With 50 Cordless Drills, Because Why Not? | Donald Papp | [
"Tool Hacks",
"Transportation Hacks"
] | [
"cordless drill",
"diy",
"ev",
"lada",
"motor",
"vehicle"
] | [Garage 54] is no stranger to vehicle-related projects of the “because why not?” variety, and their latest is
using 50 cordless drills combined into a monstrous mega-motor
to turn a gutted (and extended) Lada into an electric vehicle (EV).
Doing this leans on some of [Garage 54]’s earlier projects, such as replacing th... | 49 | 6 | [
{
"comment_id": "8078287",
"author": "Jay Kwon",
"timestamp": "2025-01-01T09:35:25",
"content": "Drill batteries make good ebike batteries, you can get nice quality and cheap packs new from aldi or lidl. Using whole drills though i guess why not lol. I would like to see battery swop stations for EV ... | 1,760,371,680.66585 | ||
https://hackaday.com/2024/12/31/repairing-a-bps-305-30v-bench-power-supply/ | Repairing A BPS-305 30V Bench Power Supply | Maya Posch | [
"Repair Hacks",
"Reverse Engineering"
] | [
"bench power supply",
"repair"
] | When [Tahmid Mahbub] recently reached for his ‘Lavolta’ BPS-305 bench supply, he was dismayed to find that despite it being a 30V, 5A-rated unit, the supply refused to output more than 15V. To be fair, he wasn’t sure that he had ever tried to push it beyond 15V in the years that he had owned it, but it had better live ... | 7 | 4 | [
{
"comment_id": "8078288",
"author": "shinsukke",
"timestamp": "2025-01-01T09:35:50",
"content": "I have a love hate relationship with power electronicsI love what its capable of, many of my projects are power conversion related. I love getting into all the different ways to optimise the circuit.I h... | 1,760,371,680.581989 | ||
https://hackaday.com/2024/12/31/quantum-mechanics-and-negative-time-with-photon-atom-interactions/ | Quantum Mechanics And Negative Time With Photon-Atom Interactions | Maya Posch | [
"Science"
] | [
"quantum physics"
] | Within our comfortable world of causality we expect that reactions always follow an action and not vice versa. This why the
recent chatter in the media
about researchers having discovered ‘negative time’ with photons being emitted before the sample being hit by source photons created such a stir. Did these researchers ... | 8 | 6 | [
{
"comment_id": "8078259",
"author": "azeemh",
"timestamp": "2025-01-01T04:58:55",
"content": "Happy New Year Maya!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8078271",
"author": "Ostracus",
"timestamp": "2025-01-01T07:18:15",
"co... | 1,760,371,680.963358 | ||
https://hackaday.com/2024/12/31/a-foil-tweeter-sound-from-kitchen-consumables/ | A Foil Tweeter, Sound From Kitchen Consumables | Jenny List | [
"classic hacks"
] | [
"loudspeaker",
"ribbon tweeter",
"tweeter"
] | The world of audio has produced a variety of different loudspeaker designs over the last century, though it’s fair to say that the trusty moving coil reigns supreme. That hasn’t stopped plenty of engineers from trying new ways to make sound though, and
[R.U.H] is here with a home-made version of one of them
. It’s a fo... | 14 | 10 | [
{
"comment_id": "8078242",
"author": "Jon H",
"timestamp": "2025-01-01T01:37:08",
"content": "Metallized mylar from a balloon might work better.As far as the resistance goes, putting an 8 ohm resistor in series might help.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,371,681.008368 | ||
https://hackaday.com/2024/12/31/doomscroll-precisely-and-wirelessly/ | Doomscroll Precisely, And Wirelessly | Michael Shaub | [
"3d Printer hacks",
"computer hacks",
"Wireless Hacks"
] | [
"3d printed prototype",
"3d printing",
"bluetooth",
"cnc",
"ergonomic",
"hid",
"input device",
"magnetic encoder",
"nordic",
"nRF52840",
"prototype",
"scroll wheel",
"USB C"
] | Around here, we love it when someone identifies a need and creates their own solution. In this case, [Engineer Bo] was tired of endless and imprecise scrolling with a mouse wheel. No off-the-shelf solutions were found, and other DIY projects either just used hacked mice scroll wheels, customer electronics with low-res ... | 18 | 10 | [
{
"comment_id": "8078171",
"author": "Apple Bootlicker",
"timestamp": "2024-12-31T22:31:57",
"content": "Why not just use Apple’s Magic Trackpad? Not to be confused with the Magic Mouse and infamous charging port.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,371,680.918876 | ||
https://hackaday.com/2024/12/31/sony-vaio-revived-power-the-second-80/ | Sony Vaio Revived: Power, The Second 80% | Arya Voronova | [
"Hackaday Columns"
] | [
"PCB design",
"power",
"sony vaio"
] | A bit ago, I’ve told you about
how the Sony Vaio motherboard replacement started
, and all the tricks I used to make it succeed on the first try. How do you plan out the board, what are good things to keep in mind while you’re sourcing parts, and how do you ensure you finish the design? This time, I want to tell you my... | 3 | 3 | [
{
"comment_id": "8078149",
"author": "Tom Crowley",
"timestamp": "2024-12-31T21:15:38",
"content": "Love this! Do you think you could adapt it to a CM5 module?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8078661",
"author": "Christopher Smith",
"ti... | 1,760,371,681.280798 | ||
https://hackaday.com/2024/12/31/why-2025-will-not-be-the-year-of-linux-on-the-desktop/ | Why 2025 Will Not Be The Year Of Linux On The Desktop | Jenny List | [
"Linux Hacks"
] | [
"desktop",
"linux",
"linux desktop"
] | One of the longest running jokes in our sphere is that the coming year will
finally
be the year of “Linux on the Desktop.” Never mind that the erosion of the traditional Windows-style desktop form of computing is a thing, or that Linux-derived operating systems such as Android or Chrome OS are running on literally bill... | 124 | 40 | [
{
"comment_id": "8078031",
"author": "Daniel Öster",
"timestamp": "2024-12-31T16:41:25",
"content": "When Microsoft introduced the idea of Recall, I switched to Linux Desktop. Wish I would have done the switch a long time ago, running Linux is great!",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,681.440166 | ||
https://hackaday.com/2024/12/31/new-years-circuit-challenge-make-this-rfid-circuit/ | New Years Circuit Challenge: Make This RFID Circuit | Jenny List | [
"Featured",
"Radio Hacks"
] | [
"125khz",
"rfid",
"transistor"
] | The Proxmark3 PCB 125kHz antenna., GNU GPL version 2,
GitHub link
.
Picture this: It’s the end of the year, and a few hardy souls gather in a hackerspace to enjoy a bit of seasonal food and hang out. Conversation turns to the Flipper Zero, and aspects of its design, and one of the parts we end up talking about is its b... | 9 | 6 | [
{
"comment_id": "8077997",
"author": "Ivan",
"timestamp": "2024-12-31T15:34:22",
"content": "That link is pointing to a computer path (/home/jenny/Downloads/RFID schematic.pdf) rather than to an actual website!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,681.133228 | ||
https://hackaday.com/2024/12/31/vplayer-puts-smart-display-in-palm-of-your-hand/ | VPlayer Puts Smart Display In Palm Of Your Hand | Tom Nardi | [
"Microcontrollers"
] | [
"ESP32",
"miniature",
"smartwatch",
"video player"
] | It’s not something we always think about, but the reality is that many of the affordable electronic components we enjoy today are only available to us because they’re surplus parts intended for commercial applications. The only reason you can pick up something like a temperature sensor for literal pennies is because so... | 18 | 8 | [
{
"comment_id": "8077939",
"author": "BT",
"timestamp": "2024-12-31T12:08:06",
"content": "DOOM wristwatch?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8077976",
"author": "Zamorano",
"timestamp": "2024-12-31T14:22:19",
"content": "Hah, you own ... | 1,760,371,681.188253 | ||
https://hackaday.com/2024/12/30/bringing-openstreetmap-data-into-minecraft/ | Bringing OpenStreetMap Data IntoMinecraft | Tom Nardi | [
"Games",
"Software Hacks"
] | [
"minecraft",
"openstreetmap",
"rust"
] | Over the years, dedicated gamers have created incredible recreations of real (and not so real) locations and structures within the confines of
Minecraft
. Thanks to their efforts, you can explore everything from New York city to Middle Earth and the U.S.S.
Enterprise
in 1:1: scale.
But what if you wanted to recreate yo... | 11 | 7 | [
{
"comment_id": "8077586",
"author": "shinsukke",
"timestamp": "2024-12-30T12:26:17",
"content": "The urge to try out rust becomes stronger every day. If only the syntax was less verbose with random characters sprinkled everywhere.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,681.235051 | ||
https://hackaday.com/2024/12/30/the-twisted-history-of-ethernet-on-twisted-pair-wiring/ | The Twisted History Of Ethernet On Twisted Pair Wiring | Adam Fabio | [
"History",
"Network Hacks"
] | [
"10base-t",
"10base2",
"3com",
"5base2",
"ethernet",
"the serial port"
] | We all take Ethernet and its ubiquitous RJ-45 connector for granted these days. But Ethernet didn’t start with twisted pair cable. [Mark] and [Ben] at
The Serial Port
YouTube channel are taking
a deep dive into the twisted history of Ethernet on twisted pair wiring
. The earliest forms of Ethernet used RG-8 style coaxi... | 55 | 18 | [
{
"comment_id": "8077571",
"author": "Joe Momma",
"timestamp": "2024-12-30T10:59:15",
"content": "The center pins 3,4,5,6 oddity came from phone lines originally",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8077721",
"author": "Abraham Barnhart",
... | 1,760,371,681.532102 | ||
https://hackaday.com/2024/12/29/ball-nut-modification-charts-a-middle-course-between-building-and-buying/ | Ball Nut Modification Charts A Middle Course Between Building And Buying | Dan Maloney | [
"hardware",
"Toy Hacks"
] | [
"annealing",
"ball nut",
"ball screw",
"build vs buy",
"lead screw",
"machining",
"modification"
] | A lot of the projects we feature here on Hackaday engender the classic “build versus buy” argument. We’ve always been puzzled by that; if anyone can appreciate the sheer joy of making something rather than buying it, it should be our readers. But there’s something to be said for buying the stuff you can buy and concent... | 7 | 5 | [
{
"comment_id": "8077530",
"author": "Teds",
"timestamp": "2024-12-30T06:15:30",
"content": "I’ve always been very fond of the modding middle ground between DIY or Buy which tends to generate a lot more collective work and documentation than pure DIY projects or costly commercial solutions.Nothing i... | 1,760,371,681.576456 | ||
https://hackaday.com/2024/12/29/kerry-wong-talks-and-talks-about-a-300-mhz-oscilloscope/ | [Kerry Wong] Talks (and Talks) About A 300 MHz Oscilloscope | Al Williams | [
"Reviews"
] | [
"oscilloscope"
] | There aren’t many people who could do an hour-long video reviewing an oscilloscope, but [Kerry Wong] is definitely one of them. This time, he’s looking at a
UNI-T MSO2304X 300 MHz scope
. The review might be a little long, but the scope — like many modern scopes — has a lot of features for measuring power, accommodatin... | 10 | 5 | [
{
"comment_id": "8077515",
"author": "Mike",
"timestamp": "2024-12-30T03:51:08",
"content": "” There aren’t many people who could do an hour-long video reviewing an oscilloscope ”Dave from EEVblog could easily beat that time.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,681.624374 | ||
https://hackaday.com/2024/12/29/38c3-lawsuits-are-temporary-glory-is-forever/ | 38C3: Lawsuits Are Temporary; Glory Is Forever | Elliot Williams | [
"News",
"Reverse Engineering",
"Transportation Hacks"
] | [
"corruption",
"justice",
"legal system",
"Poland",
"trains"
] | One of the blockbuster talks at last year’s Chaos Communications Congress covered how a group of hackers discovered code that allegedly bricked public trains in Poland when they went into service at a competitor’s workshop. This year, the same group is back
with tales of success, lawsuits, and appearances in the Polish... | 35 | 8 | [
{
"comment_id": "8077527",
"author": "CityZen",
"timestamp": "2024-12-30T05:43:38",
"content": "This case also reminds us that white-hat hackers need to be very careful about the actions that they take and also should document all their steps carefully. The corporations have no problems lying about... | 1,760,371,683.562634 | ||
https://hackaday.com/2024/12/29/beam-me-up-simple-free-space-optical-communication/ | Beam Me Up: Simple Free-Space Optical Communication | Heidi Ulrich | [
"LED Hacks",
"Wireless Hacks"
] | [
"beam",
"communication",
"led",
"open space",
"optical",
"signal"
] | Let’s think of the last time you sent data without wires. We’re not talking WiFi here, but plain optical signals. Free-space optical communication, or FSO, is an interesting and easy way to transmit signals through light beams. Forget expensive lasers or commercial-grade equipment;
this video by [W1VLF]
offers a simple... | 26 | 13 | [
{
"comment_id": "8077469",
"author": "David",
"timestamp": "2024-12-29T21:57:23",
"content": "“One if by Land, and Two if by Sea,” 1775.Countless other examples of free-space-optical modulated-light-signal communications dating to antiquity.This is just doing old things with modern, better tools to ... | 1,760,371,683.700108 | ||
https://hackaday.com/2024/12/29/38c3-xobs-on-hardware-debuggers/ | 38C3: Xobs On Hardware Debuggers | Elliot Williams | [
"Microcontrollers"
] | [
"debugger",
"hardware",
"microcontroller",
"protocol"
] | If you just want to
use
a debugger for your microcontroller project, you buy some hardware device, download the relevant driver software, and fire up GDB. But if you want to
make
a hardware debugger yourself, you need to understand the various target chips’ debugging protocols, and then you’re deep in the weeds. But ne... | 3 | 2 | [
{
"comment_id": "8077479",
"author": "William Payne",
"timestamp": "2024-12-29T23:21:01",
"content": "Debugging with gcc c compiler sends this programmer back to 1960s methods … lots of prints, changers, and retries.64 bit transparent portable multiply accurate to 128 bits appears to now work on x... | 1,760,371,683.214213 | ||
https://hackaday.com/2024/12/29/wire-rope-never-saddle-a-dead-horse/ | Wire Rope: Never Saddle A Dead Horse | Adam Fabio | [
"Tool Hacks"
] | [
"dead horse",
"safety",
"wire rope"
] | If you’re into building large projects, you’ll eventually find yourself looking at wire rope. Multistrand steel wire used as antenna guy wires, bridge supports, and plenty of other uses. The [HowNot2]
team tested an old rule of thumb for wire rope. “Never saddle a dead horse”
.
Click through the break for more:
The ol... | 26 | 11 | [
{
"comment_id": "8077419",
"author": "Steeplejack",
"timestamp": "2024-12-29T18:15:56",
"content": "Way back in the ’70’s, I worked painting watertowers around the Midwest. The quote “Don’t saddle a dead horse” was our mantra when rigging cables for access.",
"parent_id": null,
"depth": 1,
... | 1,760,371,683.365289 | ||
https://hackaday.com/2024/12/29/a-die-level-look-at-the-pentium-fdiv-bug/ | A Die-Level Look At The Pentium FDIV Bug | Dan Maloney | [
"Reverse Engineering"
] | [
"decapping",
"division",
"FDIV",
"floating point",
"intel",
"lookup table",
"pentium",
"PLA",
"reverse engineering"
] | The early 1990s were an interesting time in the PC world, mainly because PCs were entering the zeitgeist for the first time. This was fueled in part by companies like Intel and AMD going head-to-head in the marketplace with massive ad campaigns to build brand recognition; remember “Intel Inside”?
In 1993, Intel was mak... | 10 | 9 | [
{
"comment_id": "8077356",
"author": "SimianChatter",
"timestamp": "2024-12-29T12:19:11",
"content": "Nostradarmus:“When the GATES of logic misalign,Numbers shall falter in their prime.Calculations awry, trust cast aside,The maker of chips shall pay the tide.”(emphasis added…) it cost them billions ... | 1,760,371,683.155765 | ||
https://hackaday.com/2024/12/29/a-review-that-asks-do-you-need-a-thermal-camera/ | A Review That Asks: Do You Need A Thermal Camera? | Al Williams | [
"Reviews"
] | [
"flir",
"thermal camera"
] | [Maker’s Fun Duck] has a recent video
review
of a cheap thermal camera from a company called Kaiweets, which you can see below. It checked all of his boxes: It was standalone, handheld, cheap, and not too cheap. The question is: does it work well for the kinds of things we would do with such a camera?
That’s a tricky q... | 47 | 13 | [
{
"comment_id": "8077347",
"author": "George White",
"timestamp": "2024-12-29T11:34:13",
"content": "Unless you have a daily need for such a thing, it would probably get used a few times and end up in a drawer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,371,683.640323 | ||
https://hackaday.com/2024/12/28/the-business-card-of-doom/ | The Business Card OfDOOM | Dan Maloney | [
"Games"
] | [
"business card",
"doom",
"reference circuit",
"rp2040"
] | This account of
running DOOM on a PCB business card
isn’t really about serving the “Will it DOOM?” meme of getting the classic game to run on improbable hardware. Rather, this project has more to do with getting it done right and leveraging work that’s already been done.
We’ll explain. You may recall [rsheldiii]’s prev... | 11 | 4 | [
{
"comment_id": "8077305",
"author": "Eric",
"timestamp": "2024-12-29T06:45:14",
"content": "Do Crysis next. I don’t think anyone has gotten Crysis working on a business card yet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8077315",
"author": "Jo... | 1,760,371,683.415524 | ||
https://hackaday.com/2024/12/28/porting-dragons-lair-to-the-game-boy-color-was-a-technical-triumph/ | PortingDragon’s LairTo The Game Boy Color Was A Technical Triumph | Donald Papp | [
"Games",
"Software Hacks"
] | [
"game boy color",
"nintendo",
"port",
"quantizer"
] | If you remember the 80s arcade game
Dragon’s Lair
, you probably also remember it was strikingly unlike anything else at the time. It didn’t look or play like anything else. So it might come as a surprise that
it was ported to Nintendo’s Game Boy Color
, and that took some doing!
Dragon’s Lair
used LaserDisc technology... | 5 | 4 | [
{
"comment_id": "8077298",
"author": "phil",
"timestamp": "2024-12-29T05:11:05",
"content": "I worked for a vending company when this game was released. Our company bought several machines sight-unseen. They made us a ton of money in the bars and clubs where we put them. I remember working on them t... | 1,760,371,683.753978 | ||
https://hackaday.com/2024/12/28/full-color-3d-printing-with-polydye-and-existing-inkjet-cartridges/ | Full Color 3D Printing With PolyDye And Existing Inkjet Cartridges | Maya Posch | [
"3d Printer hacks"
] | [
"inkjet",
"Multicolor 3D printing",
"PolyDye"
] | The PolyDye system installed on an Elegoo Neptune 2 printer. (Credit: Teaching Tech, YouTube)
Being able to 3D print FDM objects in more than one color is a feature that is rapidly rising in popularity, assisted by various multi-filament systems that allow the printer to swap between differently colored filaments on th... | 35 | 12 | [
{
"comment_id": "8077261",
"author": "Ccecil",
"timestamp": "2024-12-29T01:03:26",
"content": "We discussed using the Inkshield [1] to do this exact thing many years ago. Glad to see someone is making attempts again.Some people discussed (were using?) sharpies to do similar.[1]https://reprap.org/wi... | 1,760,371,683.302839 | ||
https://hackaday.com/2024/12/28/38c3-towards-an-open-wifi-mac-stack-on-esp32/ | 38C3: Towards An Open WiFi MAC Stack On ESP32 | Elliot Williams | [
"Microcontrollers",
"Wireless Hacks"
] | [
"ESP32",
"mac",
"open source",
"rust",
"wifi",
"wireless"
] | At the 38th Chaos Communications Congress, [Frostie314159] and [Jasper Devreker] gave us a nice
update on their project to write an open-source WiFi stack for the ESP32
. If you’re interested in the ESP32 or WiFi in general, they’ve also got a nice deep dive into how that all works.
On the ESP32, there’s a radio, demod... | 15 | 5 | [
{
"comment_id": "8077224",
"author": "cnlohr",
"timestamp": "2024-12-28T21:53:57",
"content": "Anyone see contact other than matrix? I.e. a github, IRC? I’d be interested in reaching out to these folks, but matrix is such a pain. Well, mostly I’m interested in finding out what their code looks li... | 1,760,371,683.813232 | ||
https://hackaday.com/2024/12/31/lowering-your-noise-floor-the-easy-way/ | Lowering Your Noise Floor, The Easy Way | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"ham",
"interference",
"noise floor",
"QRM",
"RFI",
"smps",
"switch mode power supply"
] | If there’s anything more annoying to an amateur radio operator than noise, we’re not sure what it could be. We’re talking about radio frequency noise, of course, the random broadband emissions that threaten to make it almost impossible to work the bands and pick out weak signals. This man-made interference is known as ... | 35 | 13 | [
{
"comment_id": "8077889",
"author": "Frank M.",
"timestamp": "2024-12-31T09:18:12",
"content": "I was going to say on/off + binary search, but this sly fox is way ahead of me!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8078526",
"author": "Cubeb... | 1,760,371,683.894494 | ||
https://hackaday.com/2024/12/30/fan-made-dreamcast-port-of-gta-3-steals-the-show/ | Fan Made Dreamcast Port OfGTA 3Steals The Show | Drew Littrell | [
"Games"
] | [
"GTA",
"reverse engineer",
"sega",
"sega dreamcast",
"video games"
] | As it turns out, Sega’s long defunct Dreamcast console is still thinking. The company behind the machine cut support long ago due in part to the commercial pressures applied by Sony’s PlayStation 2 console, but that never stopped the most dedicated of Dreamcast fans from seeking out its true potential. Thanks to [Stefa... | 16 | 3 | [
{
"comment_id": "8077893",
"author": "richard",
"timestamp": "2024-12-31T09:29:51",
"content": "I was a developer when the PS2 and dreamcast were getting started. Sony refused to give any PS2 devkits to any game studio that had dreamcast kits and were making dreamcast games. We had to shelve our dre... | 1,760,371,683.944486 | ||
https://hackaday.com/2024/12/30/re-engineering-potatoes-to-remove-their-all-natural-toxins/ | Re-engineering Potatoes To Remove Their All-Natural Toxins | Maya Posch | [
"Science"
] | [
"nightshade",
"potato"
] | Family
Solanum
(nightshade) is generally associated with toxins, and for good reasons, as most of the plants in this family are poisonous. This includes some of everyone’s favorite staple vegetables: potatoes, tomatoes and eggplant, with especially potatoes responsible for many poisonings each year. In the case of harv... | 66 | 11 | [
{
"comment_id": "8077814",
"author": "Gravis",
"timestamp": "2024-12-31T04:22:45",
"content": "It would be more helpful if they figured out how to add poison to potatoes that had none. ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8077830",
"auth... | 1,760,371,684.204005 | ||
https://hackaday.com/2024/12/30/when-the-eu-speaks-everyone-charges-the-same-way/ | When The EU Speaks, Everyone Charges The Same Way | Jenny List | [
"Cellphone Hacks"
] | [
"dc power",
"European Union",
"USB C"
] | The moment everyone has been talking about for years has finally arrived,
the European Union’s mandating of USB charging on all portable electronic devices is now in force
. While it does not extend beyond Europe, it means that there is a
de facto
abandonment of proprietary chargers in other territories too. It applies... | 100 | 23 | [
{
"comment_id": "8077775",
"author": "Dan",
"timestamp": "2024-12-31T00:31:53",
"content": "Shame about the mountain of e waste that will probably end up burning in a landfill in a third world country. There really should have been grandfathering for already manufactured products.",
"parent_id":... | 1,760,371,684.091157 | ||
https://hackaday.com/2024/12/30/38c3-save-your-satellite-with-these-three-simple-tricks/ | 38C3: Save Your Satellite With These Three Simple Tricks | Elliot Williams | [
"Software Hacks",
"Space"
] | [
"38C3",
"38th Chaos Communication Congress",
"cubesat",
"rescue",
"satellite",
"software",
"space"
] | BEESAT-1 is a 1U cubesat launched in 2009 by the Technical University of Berlin. Like all good satellites, it has redundant computers onboard, so when the first one failed in 2011, it just switched over to the second. And when the backup failed in 2013, well, the satellite was “dead” — or rather sending back all zeroes... | 11 | 4 | [
{
"comment_id": "8077764",
"author": "Maj. Tom",
"timestamp": "2024-12-30T23:19:13",
"content": "Ond must wonder how many more “dead” satellites are currently in orbit… That can make a wild new community.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8077772"... | 1,760,371,684.756587 | ||
https://hackaday.com/2024/12/30/release-your-inner-ansel-adams-with-the-shitty-camera-challenge/ | Release Your Inner Ansel Adams With The Shitty Camera Challenge | Jenny List | [
"Current Events",
"digital cameras hacks",
"Featured"
] | [
"camera hacking",
"cameras",
"photography"
] | Social media microblogging has brought us many annoying things, but some of the good things that have come to us through its seductive scrolling are those ad-hoc interest based communities which congregate around a hashtag. There’s one which has entranced me over the past few years which I’d like to share with you; the... | 22 | 7 | [
{
"comment_id": "8077675",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-30T18:14:46",
"content": "“Expect butt naked hackers”Ewwwww!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8077692",
"author": "TG",
"timestamp... | 1,760,371,684.49916 | ||
https://hackaday.com/2024/12/30/keebin-with-kristina-the-one-with-the-copycat-keyboard/ | Keebin’ With Kristina: The One With The Copycat Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"billiard ball",
"Coffman pocket typewriter",
"Coffman typewriter",
"copycat keyboard",
"index typewriter",
"markov",
"Markov frequency",
"OLED keycaps",
"row staggered",
"split keyboard",
"Totem keyboard"
] | This is
Crater75
, an almost completely from-scratch row-staggered wireless split board that [United_Parfait_6383] has been working on for a few months. Everything but the keycaps and switches is DIY.
Image by [United_Parfait_6383] via
reddit
As cool as a keyboard full of screens might seem, can you imagine what it wou... | 1 | 1 | [
{
"comment_id": "8077638",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-30T15:49:06",
"content": "Now I’m wondering if Dyno makes/made an embossing wheel for their august labeler that has frequently used letters grouped together.",
"parent_id": null,
"depth": 1,
... | 1,760,371,684.361389 | ||
https://hackaday.com/2024/12/28/circuit-secrets-exploring-a-5-dollar-emergency-light/ | Circuit Secrets: Exploring A $5 Emergency Light | Heidi Ulrich | [
"LED Hacks",
"News",
"Reverse Engineering",
"Teardown"
] | [
"circuit",
"led",
"light",
"reverse engineering",
"self-latching"
] | Who would’ve thought a cheap AliExpress emergency light could be packed with such crafty design choices? Found for about $5, this unit uses simple components yet achieves surprisingly sophisticated behaviors. Its self-latching feature and decisive illumination shut-off are just the beginning.
A detailed analysis by [Bi... | 2 | 2 | [
{
"comment_id": "8077400",
"author": "expired56k",
"timestamp": "2024-12-29T16:10:58",
"content": "Very clever indeed! I love watching Clive’s videos and his explanations are great. Treasure trove for learning electronics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,371,684.799412 | ||
https://hackaday.com/2024/12/28/let-it-snow-with-a-sub-100-snowmaking-machine/ | Let It Snow With A Sub $100 Snowmaking Machine. | Adam Fabio | [
"home hacks"
] | [
"pressure washer",
"snow maker",
"snowmakre"
] | [Mattmopar] figured out how to get a white Christmas even if the weather isn’t frightful. He
built a simple DIY snow making machine with a few plumbing parts
, and tools you probably already have. Snowmaking machines used on the ski slopes cost tens of thousands of dollars. Even the “low-cost” home versions are $400 an... | 29 | 7 | [
{
"comment_id": "8077164",
"author": "Adam Zeloof",
"timestamp": "2024-12-28T15:16:38",
"content": "What if you filled it with liquid manure instead of water? I think it would make for a fine Christmas Odorizing Machine, especially if the area is HOA.",
"parent_id": null,
"depth": 1,
"re... | 1,760,371,684.436186 | ||
https://hackaday.com/2024/12/28/a-low-cost-spectrometer-uses-discrete-leds-and-math/ | A Low-Cost Spectrometer Uses Discrete LEDs And Math | Dan Maloney | [
"Science"
] | [
"arduino mega",
"AS7431",
"cuvette",
"led",
"spectrometer",
"spectrum"
] | A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of light. The standard design is simple; a prism or diffraction grating to break up a light source into a spectrum and a detector to measure light intensity. Shine the light through your sample, scan th... | 53 | 16 | [
{
"comment_id": "8077123",
"author": "shinsukke",
"timestamp": "2024-12-28T12:18:57",
"content": "Very cool projectI’m curious if it can be used with non liquid samples, like say rocks? Will the setup need higher power LEDs to reflect a lot of light off the surface of the rock or what?",
"parent... | 1,760,371,684.708679 | ||
https://hackaday.com/2024/12/28/building-a-3d-printed-phone-handset-with-mil-spec-style/ | Building A 3D Printed Phone Handset With Mil-Spec Style | Tom Nardi | [
"Phone Hacks"
] | [
"handset",
"MIL-SPEC",
"military",
"openscad",
"telephone"
] | In general, military gear is designed to be rugged and reliable. A side effect of this is that the equipment usually has a distinct visual look that many people find appealing. You might not
need
a laptop that can survive being in a war zone, but plenty of hackers have picked such machines up on the second hand market ... | 14 | 4 | [
{
"comment_id": "8077091",
"author": "Adam Zeloof",
"timestamp": "2024-12-28T10:24:10",
"content": "Mil-spec doesn’t mean its particularly good or durable, just that it can withstand being used by crunchies with IQ in 85-90 range.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,684.849369 | ||
https://hackaday.com/2024/12/27/fallingwater-clock-puts-new-spin-on-a-common-lcd/ | FallingWater Clock Puts New Spin On A Common LCD | Tom Nardi | [
"clock hacks"
] | [
"acrylic",
"clock",
"DM8BA10",
"laser cut",
"lcd"
] | Sometimes, all it takes is looking at an existing piece of tech in a new way to come up with something unique. That’s the whole idea behind
FallingWater, a gorgeous Art Deco inspired clock created by [Mark Wilson]
— while the vertical LCD might look like some wild custom component, it’s simply a common DM8BA10 display ... | 4 | 2 | [
{
"comment_id": "8077101",
"author": "shinsukke",
"timestamp": "2024-12-28T11:09:37",
"content": "Cool project, terrible readability",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8077292",
"author": "The Commenter Formerly Known As Ren",
"ti... | 1,760,371,684.903904 | ||
https://hackaday.com/2024/12/27/creating-a-mechanical-qubit-that-lasts-longer-than-other-qubits/ | Creating A Mechanical Qubit That Lasts Longer Than Other Qubits | Maya Posch | [
"Science"
] | [
"quantum computer",
"qubit"
] | Among the current challenges with creating quantum computers is that the timespan that a singular qubit remains coherent is quite limited, restricting their usefulness. Usually such qubits consist of an electromagnetic resonator (boson), which have the advantage of possessing discrete energy states that lend themselves... | 0 | 0 | [] | 1,760,371,684.940598 | ||
https://hackaday.com/2024/12/27/playing-around-with-the-mh-cd42-charger-board/ | Playing Around With The MH-CD42 Charger Board | Tom Nardi | [
"Battery Hacks",
"Parts"
] | [
"battery charger",
"lithium ion",
"TP4056"
] | If you’ve ever worked with adding lithium-ion batteries to one of your projects, you’ve likely spent some quality time with a TP4056. Whether you implemented the circuit yourself, or took the easy way out and picked up one of the dirt cheap modules available online, the battery management IC is simple to work with and ... | 12 | 7 | [
{
"comment_id": "8076976",
"author": "Cyk",
"timestamp": "2024-12-28T00:15:34",
"content": "The same thing for 3.3V output would be nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8077018",
"author": "echodelta",
"timestamp": "2024-12-28T03:19:28"... | 1,760,371,685.003038 | ||
https://hackaday.com/2024/12/26/blast-away-the-flux-with-brake-cleaner/ | Blast Away The Flux — With Brake Cleaner? | Dan Maloney | [
"Tool Hacks"
] | [
"acetone",
"brake cleaner",
"cleaning",
"flux",
"pcb",
"perchloroethylene",
"removal",
"solder",
"Solvent",
"toluene"
] | Can you use brake cleaner for flux removal on PCBs?
According to [Half Burnt Toast], yes you can. But should you? Well, that’s another matter.
In our experience, flux removal seems to be far more difficult than it should be. We’ve seen plenty of examples of a tiny drop of isopropyl alcohol and a bit of light agitation ... | 75 | 33 | [
{
"comment_id": "8076692",
"author": "deL",
"timestamp": "2024-12-27T06:18:30",
"content": "I’ve seen water soluble flux used 100% successfully in a large production environment. Chlorinated solvent stuff was only good for nasty accidents involving unwary workers.",
"parent_id": null,
"depth... | 1,760,371,685.231485 | ||
https://hackaday.com/2024/12/26/stream-deck-plus-reverse-engineered/ | Stream Deck Plus Reverse Engineered | Al Williams | [
"Peripherals Hacks",
"Reverse Engineering"
] | [
"reverse engineering",
"stream deck",
"usb hid",
"wireshark"
] | [Den Delimarsky] had a Stream Deck and wanted to be free of the proprietary software, so he reverse-engineered it. Now, he has a Stream Deck Plus, and with the same desire, he
reverse-engineered it as well
.
The device has eight buttons, a narrow screen, and four encoder dials. The device looks like a generic HID devic... | 6 | 4 | [
{
"comment_id": "8076688",
"author": "WonkoTheSaneUK",
"timestamp": "2024-12-27T05:44:13",
"content": "This project seems to be only available for Windows so far.Linux users might like to search Github for “StreamController”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"co... | 1,760,371,685.050922 | ||
https://hackaday.com/2024/12/26/a-lora-rain-gauge-from-the-ground-up/ | A LoRa Rain Gauge From The Ground Up | Dan Maloney | [
"Misc Hacks"
] | [
"atmega328p",
"BMP280",
"hall effect TMR",
"LoRa",
"rain",
"RFM95",
"tipping bucket",
"weather"
] | It’s a fair bet that most of us have a ton of wireless doo-dads around the house, from garage door remotes to wireless thermometers. Each of these gadgets seems to have its own idea about how to encode data and transmit it, all those dedicated receivers seem wasteful. Wouldn’t it be great to use existing RF infrastruct... | 4 | 4 | [
{
"comment_id": "8076665",
"author": "RF Dude",
"timestamp": "2024-12-27T04:12:23",
"content": "Really nice work! Well organized too. Thank you!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8076703",
"author": "eet4t4",
"timestamp": "2024-12-27T08:... | 1,760,371,685.103103 | ||
https://hackaday.com/2024/12/26/a-mechanical-calculator-for-the-modern-age/ | A Mechanical Calculator For The Modern Age | Jenny List | [
"classic hacks"
] | [
"calculator",
"mechanical calculator",
"woodwork"
] | There was a brief period through the 1960s into the 1970s when the last word in electronics was the calculator. New models sold for hundreds of dollars, and owning one made you very special indeed. Then the price of the integrated circuit at their heart fell to the point at which anyone could afford one, and a new gene... | 16 | 7 | [
{
"comment_id": "8076580",
"author": "macsimski",
"timestamp": "2024-12-26T22:22:18",
"content": "I have the remains of a friden computerized accountancy desk with pegboard programming and a IBM model C typewriter for input/output. internally the brains of the machine was a friden STW10 mechanical c... | 1,760,371,685.474536 | ||
https://hackaday.com/2024/12/26/the-focus-dial-never-shipped-but-you-can-build-one-from-scratch/ | The TimeChi Never Shipped, But You Can Build One From Scratch | Maya Posch | [
"Crowd Funding",
"Lifehacks"
] | [
"pomodoro"
] | What do you do when a crowdfunded product you really liked gets cancelled? Naturally, you take the idea and build your own version of it.
That’s what [Salim Benbouziyane] did
when the TimeChi project on Kickstarter saw its launch cut short. This device allows you to set a ‘no distractions’ timer, during which notificat... | 6 | 2 | [
{
"comment_id": "8076714",
"author": "Steve",
"timestamp": "2024-12-27T09:36:58",
"content": "Thanks for correcting the product name; I was wondering about it earlier and couldn’t find it. Might I suggest linking the failed indiegogo though? It’s interesting to see what might have been…",
"par... | 1,760,371,685.563795 | ||
https://hackaday.com/2024/12/26/battery-electric-ships-coming-soon-to-a-harbor-near-you/ | Battery-Electric Ships: Coming Soon To A Harbor Near You? | Maya Posch | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"battery-electric propulsion",
"electric ship"
] | When ships moved from muscle- and wind power to burning coal and other fossil fuels for their propulsion, they also became significantly faster and larger. Today’s cargo ships and ferries have become the backbone of modern civilization, along with a range of boat types. Even though tugs and smaller pleasure vessels are... | 77 | 17 | [
{
"comment_id": "8076494",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-26T18:24:39",
"content": "“BATTERY-ELECTRIC SHIPS: COMING SOON TO A HARBOR NEAR YOU?”Nope, because there isn’t a harbor near me!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,686.083376 | ||
https://hackaday.com/2024/12/26/blinded-by-the-light-the-problem-with-led-headlights/ | Blinded By The Light: The Problem With LED Headlights | Maya Posch | [
"Transportation Hacks"
] | [
"headlights",
"LED headlight"
] | Having a good set of (working) headlights is a crucial feature of any motor vehicle, assuming you want to be able to see the road ahead of you when there’s a lack of sunshine. Headlights are also essential to be noticed by other cars and traffic participants, but if installed improperly they can end up blinding an oppo... | 178 | 40 | [
{
"comment_id": "8076442",
"author": "smellsofbikes",
"timestamp": "2024-12-26T16:43:48",
"content": "A lot of larger SUV’s have auto levelling headlights that adjust the headlight angle if the truck is heavily loaded or towing a heavy trailer. These were most commonly halogen. If anything in that... | 1,760,371,685.973168 | ||
https://hackaday.com/2024/12/27/lathe-gears-make-a-clock/ | Lathe Gears Make A Clock | Al Williams | [
"clock hacks"
] | [
"clock",
"gear",
"lathe"
] | When you think of making something using a lathe, you usually think of turning a screw, a table leg, or a toothpick. [Uri Tuchman] had a different idea. He wanted to
make a clock out of the gears used in the lathe
. Can he do it? Of course, as you can see in the video below.
Along the way, he used several tools. A mil... | 11 | 6 | [
{
"comment_id": "8076966",
"author": "Dude",
"timestamp": "2024-12-27T23:37:35",
"content": "Now, how to make it run for longer without adding more gears?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076977",
"author": "Hirudinea",
"timest... | 1,760,371,685.524051 | ||
https://hackaday.com/2024/12/27/20-ghz-lnb-testing-and-teardown/ | 20 GHz LNB Testing And Teardown | Al Williams | [
"Radio Hacks",
"Teardown"
] | [
"20 GHz",
"LNB",
"Low Noise Block"
] | Many things have combined to make very high-frequency RF gear much more common, cheaper, and better performing. Case in point:
[dereksgc] is tearing apart a 20 GHz low-noise block (LNB)
. An LNB is a downconverter, and this one is used for some Irish satellite TV services.
The scale of everything matters when your wave... | 10 | 6 | [
{
"comment_id": "8076933",
"author": "Jerry",
"timestamp": "2024-12-27T21:32:12",
"content": "Learn the term “mixer”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8077011",
"author": "Rune",
"timestamp": "2024-12-28T02:08:46",
"conte... | 1,760,371,685.610063 | ||
https://hackaday.com/2024/12/27/do-you-know-vail-code/ | Do You Know Vail Code? | Al Williams | [
"Featured",
"History",
"Radio Hacks"
] | [
"morse code",
"telegraph"
] | Alfred Vail (public domain)
We talk about Morse code, named after its inventor, Samuel Morse. However, maybe we should call it Vail code after Alfred Vail, who may be its real inventor. Haven’t heard of him? You aren’t alone. Yet he was behind the first telegraph key and improved other parts of the fledgling telegraph ... | 27 | 13 | [
{
"comment_id": "8076857",
"author": "TG",
"timestamp": "2024-12-27T18:14:36",
"content": "I think the effort to “retire” Morse code was in fact a genius publicity move to get tons of new people to learn it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "807... | 1,760,371,685.682107 | ||
https://hackaday.com/2024/12/27/ldu-decoded-the-untold-tale-of-lego-dimensions/ | LDU Decoded: The Untold Tale Of LEGO Dimensions | Heidi Ulrich | [
"Toy Hacks"
] | [
"brick",
"LDU",
"lego",
"Lego Draw Unit"
] | LEGO bricks might look simplistic, but did you know there’s an actual science behind their sizes? Enter LDUs — LEGO Draw Units — the minuscule measurement standard that allows those tiny interlocking pieces to fit together seamlessly.
In a recent video [Brick Sculpt] breaks down this fascinating topic.
So, what is an L... | 11 | 5 | [
{
"comment_id": "8076850",
"author": "Fallen",
"timestamp": "2024-12-27T17:25:41",
"content": "Lego Drawing Unit and not Lego Dimensional Unit?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076943",
"author": "Paul A LeBlanc",
"timestamp": ... | 1,760,371,686.127757 | ||
https://hackaday.com/2024/12/27/this-week-in-security-license-plates-tp-link-and-attacking-devs/ | This Week In Security: License Plates, TP-Link, And Attacking Devs | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"digital license plates",
"openwrt",
"This Week in Security",
"tp-link"
] | We’re covering two weeks of news today, which is handy, because the week between Christmas and New Years is always a bit slow.
And up first is
the inevitable problem with digital license plates
. Unless very carefully designed to be bulletproof, they can be jailbroken, and the displayed number can be changed. And the R... | 22 | 10 | [
{
"comment_id": "8076823",
"author": "Kryptylomese",
"timestamp": "2024-12-27T16:28:13",
"content": "“The US Government has recently begun discussing a plan to ban TP-Link device purchases in the United States” And yet CISCO which has more CVE’s than anything else. are OK?",
"parent_id": null,
... | 1,760,371,686.18441 | ||
https://hackaday.com/2024/12/27/minecraft-in-cobol/ | MinecraftIn…COBOL? | Al Williams | [
"Games",
"Software Development"
] | [
"cobol",
"minecraft"
] | When you think of languages you might read about on Hackaday, COBOL probably isn’t one of them. The language is often considered mostly for business applications and legacy ones, at that. The thing is, there are a lot of legacy business applications out there, so there is still plenty of COBOL. Not only is it used, but... | 34 | 12 | [
{
"comment_id": "8076753",
"author": "Richard",
"timestamp": "2024-12-27T12:20:12",
"content": "COBOL gave me PTSD in the early 90’s.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076860",
"author": "James the [LEGO-car] engineer",
"timesta... | 1,760,371,686.252078 | ||
https://hackaday.com/2024/12/27/uncanny-valley-of-clean-conquered-by-clever-chair/ | Uncanny Valley Of Clean Conquered By Clever Chair | Navarre Bartz | [
"home hacks"
] | [
"chair",
"clothing",
"furniture",
"laundry",
"simone giertz"
] | Do you ever have clothes that you only wore for a few hours, so you don’t want to wash them, but it still seems icky to put them back in the drawer or closet? What if you had a dedicated place to put them instead of on your floor or piled on a chair in the corner?
[Simone Giertz] has a tidier solution for you
.
On top ... | 11 | 7 | [
{
"comment_id": "8076731",
"author": "IIVQ",
"timestamp": "2024-12-27T10:32:08",
"content": "I have a few folding crates for laundry. One orange one which serves exactly this purpose, and a few blue ones for my cleam-but-not-yet-folded loundry which all fit in my clothing cupboard.However, I recentl... | 1,760,371,686.295861 | ||
https://hackaday.com/2024/12/25/esperanto-the-language-that-hoped-to-unite-the-world/ | Esperanto: The Language That Hoped To Unite The World | Heidi Ulrich | [
"Misc Hacks",
"News",
"Science"
] | [
"duolingo",
"Esperanto",
"GTA",
"hope",
"Klingon",
"language",
"lingua franca",
"linguistic",
"loglan",
"Toki Pona",
"zamenhof"
] | Christmas: a good time to broach a topic of hope. We’re talking Esperanto. This language that spurred the hope it one day could hack the barriers between people, eliminating war and miscommunication.
The video below unpacks the history of this linguistic marvel
. Esperanto was a constructed language dreamed up in 1887 ... | 65 | 14 | [
{
"comment_id": "8076157",
"author": "Adam Zeloof",
"timestamp": "2024-12-25T18:37:28",
"content": "Perhaps evolution is better than intelligent design. LISPers of 1960s scoffed at primitives doing BCPL, COBOL or assembly. 60 years later LISP machines are gathering dust in museums while C (a descend... | 1,760,371,687.140421 | ||
https://hackaday.com/2024/12/25/open-source-multimeter-raises-the-bar-for-diy-tools/ | Open Source Multimeter Raises The Bar For DIY Tools | Tom Nardi | [
"Tool Hacks"
] | [
"multimeter",
"open source hardware",
"test equipment"
] | Whether you only dabble in electronics as a hobby or it’s your full-time job, there are few tools as indispensable as the multimeter. In fact, we’d be willing to bet nearly everyone reading this site owns
at least
one of them. But as common and mindbogglingly useful as they may be, they aren’t perfect. Even the high-en... | 39 | 18 | [
{
"comment_id": "8076142",
"author": "limroh",
"timestamp": "2024-12-25T16:47:04",
"content": "From just a glace: Great project!The ability to tell exactly how the meter is configured at a glance thanks to its exclusive use of toggle switches has a certain hacker appeal, but it’s a tricky user inter... | 1,760,371,686.424595 | ||
https://hackaday.com/2024/12/25/break-me-off-a-piece-of-that-open-source-serial-adapter/ | Break Me Off A Piece Of That Open Source Serial Adapter | Tom Nardi | [
"PCB Hacks",
"Tool Hacks"
] | [
"rs232",
"serial adapter",
"uart",
"USB to serial"
] | We know, you’ve already got a USB to serial adapter. Probably several of them, in fact. But that doesn’t mean you couldn’t use one more — especially when it’s as as cleverly designed
as this one from [Anders Nielsen]
.
The first thing you notice about this adapter, and the big departure from the ones that are likely li... | 12 | 7 | [
{
"comment_id": "8076075",
"author": "Henrik",
"timestamp": "2024-12-25T09:40:05",
"content": "Awesome work Anders!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8076085",
"author": "rtyu5r5",
"timestamp": "2024-12-25T10:41:04",
"content": "I drea... | 1,760,371,686.347152 | ||
https://hackaday.com/2024/12/24/going-digital-teaching-a-ti-84-handwriting-recognition/ | Going Digital: Teaching A TI-84 Handwriting Recognition | Heidi Ulrich | [
"Artificial Intelligence",
"handhelds hacks",
"Machine Learning",
"News"
] | [
"calculator",
"convolutional neural network",
"graphics calculator",
"handwriting",
"mnist",
"neural network",
"texas instruments",
"ti-84",
"TI-84 Plus CE"
] | You wouldn’t typically associate graphing calculators with artificial intelligence, but hacker [KermMartian] recently made it happen. The innovative project involved running a neural network directly on a TI-84 Plus CE to recognize handwritten digits. By using the MNIST dataset, a well-known collection of handwritten n... | 4 | 1 | [
{
"comment_id": "8076059",
"author": "Santa",
"timestamp": "2024-12-25T07:54:23",
"content": "To me, real time suggests that characters are decoded as they are written, not that it takes 18 seconds.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076091",
... | 1,760,371,686.664399 | ||
https://hackaday.com/2024/12/24/pis-evil-twin-goes-for-infinity/ | Pi’s Evil Twin Goes For Infinity | Al Williams | [
"Misc Hacks"
] | [
"infinity",
"math",
"Pi"
] | Most people know about the numerical constant pi (or π, if you prefer). But did you know that pi has an evil twin represented by the symbol ϖ? As [John Carlos Baez]
explains
, it and its related functions are related to the lemniscate as pi relates to circles. What’s a lemniscate? That’s the proper name for the infinit... | 37 | 10 | [
{
"comment_id": "8076010",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-25T03:18:34",
"content": "So, if lemmings could wear skates, would they move around in Figure-8s?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076011",
... | 1,760,371,686.91134 | ||
https://hackaday.com/2024/12/24/holiday-jukebox-gets-esp32-home-assistant-support/ | Holiday Jukebox Gets ESP32, Home Assistant Support | Tom Nardi | [
"Holiday Hacks",
"home hacks",
"Microcontrollers"
] | [
"ESP32",
"home automation",
"home-assistant",
"retrofit"
] | If we’ve learned anything over the years, it’s that the only thing hardware hackers love more than a device festooned with buttons is one that’s covered in LEDs — so it’s no surprise that this
“Mr Christmas” jukebox caught the eye of [Roberts Retro]
. But while the holiday gadget might have been mildly entertaining in ... | 14 | 4 | [
{
"comment_id": "8075997",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-25T01:30:34",
"content": "Which has me thinking…When the new administration (USA) takes effect, there has been warnings of increased tariffs.Any suggestions of what to stock up on before they are put in... | 1,760,371,686.771893 | ||
https://hackaday.com/2024/12/24/a-twenty-segment-display-artistically/ | A Twenty-Segment Display, Artistically | Elliot Williams | [
"classic hacks",
"LED Hacks"
] | [
"3d printing",
"7-segment display",
"led",
"seven segmemt"
] | We all know and love the humble seven-segment display, right? And if you want to make characters as well as numbers, you can do an okay job with sixteen segments off the shelf. But if you want something more art-deco, you’ll probably want to roll your own. Or at least, [Ben] did,
and you can find his designs up on GitH... | 21 | 5 | [
{
"comment_id": "8075980",
"author": "irox",
"timestamp": "2024-12-24T22:16:06",
"content": "But, kerning….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075982",
"author": "0xdeadbeef",
"timestamp": "2024-12-24T22:41:50",
"content"... | 1,760,371,686.720602 | ||
https://hackaday.com/2024/12/26/tech-in-plain-sight-incandescent-bulbs/ | Tech In Plain Sight: Incandescent Bulbs | Al Williams | [
"Engineering",
"Featured",
"History",
"Slider"
] | [
"history",
"incandescent lamp"
] | While they are dying out, you can still find incandescent bulbs. While these were once totally common, they’ve been largely replaced by LEDs and other lighting technology. However, you still see a number of them in special applications or older gear. If you are above a certain age, you might be surprised that youngster... | 71 | 16 | [
{
"comment_id": "8076402",
"author": "sbrk",
"timestamp": "2024-12-26T15:07:27",
"content": "I just threw away (“recycled”) another couple of LED bulbs that died. So much for “Lasts 10+ years!”. Let’s compare the impact of LED lighting on Mother Earth…Incandescent Bulb components:1) Glass2) Metals (... | 1,760,371,687.391275 | ||
https://hackaday.com/2024/12/26/openwrt-but-on-an-unsupported-router/ | OpenWRT, But On An Unsupported Router | Jenny List | [
"Linux Hacks"
] | [
"linux",
"openwrt",
"router"
] | Everyone likes something cheap, and when that cheap thing is a router that’s supported by OpenWRT, it sounds like a win. [Hennung Paul] ordered a Wavlink WL-WN586X3 for the princely sum of 39 Euros, but was disappointed to find his device a rev. 2 board rather than the rev.1 board supported by the Linux distribution. T... | 15 | 7 | [
{
"comment_id": "8076361",
"author": "Steve Balmer",
"timestamp": "2024-12-26T13:13:58",
"content": "Next step is upstreaming so we can all benefit!! :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076564",
"author": "Henning Paul",
"times... | 1,760,371,687.286018 | ||
https://hackaday.com/2024/12/26/open-source-lemontron-3d-printer-is-ready-to-build/ | Open Source Lemontron 3D Printer Is Ready To Build | Tom Nardi | [
"3d Printer hacks"
] | [
"compact",
"lemontron",
"portable 3D printer",
"positron printer"
] | In this era of cheap turn-key machines, the idea of actually
building
your own desktop 3D printer might seem odd to some. But if you’re looking for a challenge, and want to end up with a printer that legitimately sets itself apart from what they’re stocking on Amazon these days, then
take a look at the Lemontron
.
We’v... | 19 | 4 | [
{
"comment_id": "8076332",
"author": "Sword",
"timestamp": "2024-12-26T10:47:18",
"content": "$400 is pretty expensive for what you end up with…AND you already need to have a decent printer to print a bunch of parts.I can appreciate the effort and engineering that went into this but it does not make... | 1,760,371,687.197445 | ||
https://hackaday.com/2024/12/25/taking-movies-of-light-in-flight/ | Taking “Movies” Of Light In Flight | Elliot Williams | [
"Laser Hacks",
"Science"
] | [
"laser",
"photomultiplier tube",
"pulse",
"speed of light"
] | This one isn’t clickbait, but it
is
cheating. [Brian Haidet], the guy behind Alpha Phoenix, has managed to assemble movie footage of a laser beam crossing his garage, using a rig he put together for just a few hundred dollars. How, you ask? Well, for the long version,
you’re going to want to watch the video
, also embe... | 10 | 5 | [
{
"comment_id": "8076374",
"author": "Mystick",
"timestamp": "2024-12-26T14:20:27",
"content": "“Femtophotography” is what you’re looking for…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8076380",
"author": "clancydaenlightened",
"timestamp": "2024-... | 1,760,371,687.238684 | ||
https://hackaday.com/2024/12/25/time-management-for-toddlers/ | Time Management For Toddlers | Kristina Panos | [
"clock hacks",
"Lifehacks"
] | [
"time management",
"wemos d1 mini",
"ws2812",
"ws2812b"
] | It’s really never too early (or too late) to learn time management. All joking aside, carefully managing one’s time can result in some really wondrous achievements. So it’s best to learn early, when most of your time is spent generally having fun.
Let’s say you’ve just heard you have five minutes left to play, but what... | 12 | 4 | [
{
"comment_id": "8076281",
"author": "Illucidator",
"timestamp": "2024-12-26T03:09:58",
"content": "when my daughter were toddlers I would tell them “X cartoon{s)” or “Y movie(s)” to define lengths of time.When we took roadtrips I would tell her a trip was “X fingers long” and whenever we had driven... | 1,760,371,687.437565 |
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