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https://hackaday.com/2023/11/03/big-red-button-puts-toddler-in-command-of-chromecast/
Big Red Button Puts Toddler In Command Of Chromecast
Dan Maloney
[ "home entertainment hacks", "Reverse Engineering" ]
[ "chromecast", "pyChromecast", "raspberry pi", "reverse engineering", "Wemos" ]
https://hackaday.com/wp-…button.png?w=800
Controversial position: the world needs more buttons. We’ve gotten so far away from physical interfaces like buttons, knobs, and switches in favor of sleek but sterile touch-screen “controls” that when we see something like this big red button so toddlers can start a TV show , we just have to latch onto the story and s...
12
7
[ { "comment_id": "6695938", "author": "mental405", "timestamp": "2023-11-03T18:51:51", "content": "When my kid was a toddler I lacked sufficient know-how to pull this off. I did manage to train google assistant to recognize his cries for Chuggington. So whenever it heard “TUN ON” the routine would s...
1,760,372,121.436826
https://hackaday.com/2023/10/31/supercon-2022-carrie-sundra-discusses-manufacturing-on-a-shoestring-budget/
Supercon 2022: Carrie Sundra Discusses Manufacturing On A Shoestring Budget
Navarre Bartz
[ "cons", "Hackaday Columns", "hardware" ]
[ "2022 Superconference", "budget", "business", "crowdfunding", "manufacturing", "prototyping" ]
https://hackaday.com/wp-…45436.jpeg?w=800
Making hardware is hard. This is doubly true when you’re developing a niche hardware device that might have a total production run in the hundreds of units instead of something mass market. [Carrie Sundra] has been through the process several times, and has bestowed her wisdom on how not to screw it up . The internet i...
2
1
[ { "comment_id": "6695331", "author": "Meek The Geek", "timestamp": "2023-11-01T11:38:58", "content": "I like her beta testing advice.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6695367", "author": "Maave", "timestamp": "2023-11-01T14:31:3...
1,760,372,121.558555
https://hackaday.com/2023/10/31/building-pennys-computer-watch-from-inspector-gadget/
Building Penny’s Computer Watch FromInspector Gadget
Kristina Panos
[ "Microcontrollers", "Wearable Hacks" ]
[ "cosplay", "halloween", "Inspector Gadget", "machine learning" ]
https://hackaday.com/wp-…ch-800.jpg?w=800
When you help your bumbling Uncle Gadget with all kinds of missions, you definitely need a watch that can do it all. Penny’s video watch from Inspector Gadget has a ton of features including video communication with Brain and Chief Quimby, a laser, a magnet, a flashlight, a sonar signal, and much more. To round out her...
4
2
[ { "comment_id": "6695133", "author": "YGDES", "timestamp": "2023-10-31T15:39:57", "content": "When you think about it, her book is now incredibly common and smaller…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6695146", "author": "RunnerPack", ...
1,760,372,121.673259
https://hackaday.com/2023/10/31/black-4-0-is-the-new-ultrablack/
Black 4.0 Is The New Ultrablack
Lewin Day
[ "Current Events", "Featured", "Interest", "News", "Original Art", "Slider" ]
[ "invisibility", "paint", "Vantablack" ]
https://hackaday.com/wp-…Black4.jpg?w=800
Vantablack is a special coating material, moreso than a paint. It’s well-known as one of the blackest possible coatings around, capable of absorbing almost all visible light in its nanotube complex structure. However, it’s complicated to apply, delicate, and not readily available, especially to those in the art world. ...
104
25
[ { "comment_id": "6695112", "author": "Andrew", "timestamp": "2023-10-31T14:24:38", "content": "What happened to Black 3.11?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6695123", "author": "Steve Spivey", "timestamp": "2023-10-31T15:03:07",...
1,760,372,122.033104
https://hackaday.com/2023/10/31/ham-radio-operators-ionospheric-science-during-the-solar-eclipse/
Ham Radio Operators’ Ionospheric Science During The Solar Eclipse
Maya Posch
[ "Radio Hacks", "Science" ]
[ "ham radio", "ionosphere" ]
https://hackaday.com/wp-…to_day.png?w=800
The Earth’s ionosphere is the ionized upper part of the atmosphere, and it’s also the most dynamic as it swells and ebbs depending on whether it’s exposed to the Sun or not. It’s the ionosphere that enables radio frequency communications to reach beyond the horizon, its thickness and composition also affects the range ...
3
3
[ { "comment_id": "6695139", "author": "craig", "timestamp": "2023-10-31T16:51:36", "content": "“For the next lunar eclipse in April 2024…”.I believe your are referring to the *Solar* eclipse in 2024. Lunar eclipse is when the shadow of the earth goes across the moon and while rad, probably has little...
1,760,372,121.474931
https://hackaday.com/2023/10/31/teensy-stands-in-for-the-motorola-68k/
Teensy Stands In For The Motorola 68k
Bryan Cockfield
[ "Mac Hacks", "Microcontrollers", "Retrocomputing" ]
[ "68000", "68k", "arm cortext m7", "bus", "cycle accurate", "emulator", "Mac 512K", "microcontroller", "motorola", "Teensy 4.1" ]
https://hackaday.com/wp-…/68000.jpg?w=800
While it might not seem like it today, there was a time in the not-too-distant past where Motorola was the processor manufacturer. They made chips for everything, but the most popular was arguably the 68000 or 68k. It’s still has a considerable following today, largely among retrocomputing enthusiasts or those maintain...
24
10
[ { "comment_id": "6695050", "author": "Joshua", "timestamp": "2023-10-31T08:11:56", "content": "Normally, I don’t like such things, because it makes things ad absurdum. Either full, sophisticated emulation or the real thing (including clones) with the hardware being “alive”. However, I’ll make an exc...
1,760,372,121.626774
https://hackaday.com/2023/10/30/2023-halloween-hackfest-organ-playing-skeleton-livens-up-halloween/
2023 Halloween Hackfest: Organ-playing Skeleton Livens Up Halloween
Donald Papp
[ "Musical Hacks", "Robots Hacks" ]
[ "2023 Halloween Hack Fest", "animatronic", "halloween", "organ", "skeleton" ]
https://hackaday.com/wp-…enshot.png?w=800
Every hacker appreciates how off-the-shelf parts can be combined into something greater, and [bryan.lowder] demonstrates this beautifully with his organ-playing skeleton , a wonderful entry to our 2023 Halloween Contest ! Skelly the 3-foot-tall novelty skeleton animatedly plays Bach’s Toccata and Fugue in D Minor while...
2
2
[ { "comment_id": "6695033", "author": "make piece not war", "timestamp": "2023-10-31T05:32:39", "content": "Aint dat Geoff Peterson?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6695138", "author": "echodelta", "timestamp": "2023-10-31T16:43:11", ...
1,760,372,121.723807
https://hackaday.com/2023/10/30/ai-in-a-box-envisions-ai-as-a-private-offline-hackable-module/
AI In A BoxEnvisions AI As A Private, Offline, Hackable Module
Donald Papp
[ "Artificial Intelligence", "Crowd Funding", "Machine Learning" ]
[ "ai", "machine learning", "offline", "private" ]
https://hackaday.com/wp-…enshot.png?w=800
[Useful Sensors] aims to embed a variety of complementary AI tools into a small, private, self-contained module with no internet connection with AI in a Box . It can do live voice recognition and captioning, live translation, and natural language conversational interaction with a local large language model (LLM). Intri...
10
3
[ { "comment_id": "6695010", "author": "The Commenter Formerly Known As Ren", "timestamp": "2023-10-31T02:24:54", "content": "Just how large does the local memory have to be for a working “large” language model?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6...
1,760,372,121.841351
https://hackaday.com/2023/10/29/packing-for-supercon-heres-a-printable-case-for-your-badge/
Packing For Supercon? Here’s A Printable Case For Your Badge
Arya Voronova
[ "3d Printer hacks", "cons" ]
[ "2023 Hackaday Supercon", "2023 Hackaday Superconference", "Supercon badge" ]
https://hackaday.com/wp-…l_feat.png?w=800
Hackaday Supercon 2023 is a week away, and if you’re still thinking about the equipment you need to take with you, here’s something you’ll want to print – a case for the Supercon 2023 badge that you will find inside of your goodie bag. This year’s Supercon badge is a gorgeous analog playground board we call Vectorscope...
2
2
[ { "comment_id": "6694693", "author": "T. B. Trzepacz", "timestamp": "2023-10-29T16:27:26", "content": "Thanks Arya for writing my project up!I really want to stress that I made this project very plain for the purpose of it being a blank slate for other people to remix to make their own personalized ...
1,760,372,121.878922
https://hackaday.com/2023/10/29/take-the-tedium-out-of-fabric-cutting-make-the-laser-do-it/
Take The Tedium Out Of Fabric Cutting, Make The Laser Do It
Donald Papp
[ "Laser Hacks", "Wearable Hacks" ]
[ "fabric", "laser", "laser cutter", "sewing", "time saver" ]
https://hackaday.com/wp-…enshot.png?w=612
Fabric must be cut before it can be turned into something else, and [fiercekittenz] shows how a laser cutter can hit all the right bases to save a lot of time on the process. She demonstrates processing three layers of fabric at once on a CO2 laser cutter, cutting three bags’ worth of material in a scant 1 minute and 2...
8
3
[ { "comment_id": "6694653", "author": "Andy", "timestamp": "2023-10-29T11:54:20", "content": "The only problem is, that laser burns the edges, so the edges are not as clean as with cutting. I tried so many different material with my laser, and for decorative use (ex. cloth) I prefer cutting the mater...
1,760,372,121.521407
https://hackaday.com/2023/10/28/using-eproms-and-eeproms-as-programmable-logic-with-lisp/
Using EPROMS And EEPROMs As Programmable Logic With Lisp
Maya Posch
[ "FPGA", "Software Development" ]
[ "eeprom", "eprom", "lisp", "Programmable Logic Array" ]
https://hackaday.com/wp-…032-HD.jpg?w=800
That EPROMs, EEPROMs and kin can be used as programmable logic should probably not come as a major surprise, but [Jimmy] has created a Lisp-based project that makes using these chips as a logic array very straightforward. All it takes is importing the package into one’s Lisp project and defining the logic, before the t...
9
8
[ { "comment_id": "6694616", "author": "Mike Massen", "timestamp": "2023-10-29T05:20:57", "content": "Ah yes, its very straight forward method, good way to manage all sortsof functional logic with no buggy software, though do need to handlepotential for race hazards, ie Data out from EEprom 1 to other...
1,760,372,122.078165
https://hackaday.com/2023/10/28/ecoeda-integrates-your-junk-bin-into-your-designs/
EcoEDA Integrates Your Junk Bin Into Your Designs
Dan Maloney
[ "Parts" ]
[ "bom", "design", "e-waste", "eda", "junk bin", "KiCAD", "recycle", "reuse", "salvage", "schematic" ]
https://hackaday.com/wp-…ecoEDA.png?w=800
If you’re like us, there’s a creeping feeling that comes over you when you’re placing an order for parts for your latest project: Don’t I already have most of this stuff? With the well-stocked junk bins most of us sport and the stacks of defunct electronics that are almost always within arm’s length, chances are pretty...
26
6
[ { "comment_id": "6694587", "author": "Stephen Walters", "timestamp": "2023-10-29T02:11:39", "content": "What about valves/tubes?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6694590", "author": "Andrew", "timestamp": "2023-10-29T02:32:44", ...
1,760,372,122.236557
https://hackaday.com/2023/10/28/cheap-yellow-display-builds-community-through-hardware/
“Cheap Yellow Display” Builds Community Through Hardware
Dan Maloney
[ "Microcontrollers" ]
[ "community", "dev board", "documentation", "ESP32", "github", "lcd", "resistive", "touch screen" ]
https://hackaday.com/wp-…d_feat.jpg?w=800
For the most part, Hackaday is all about hardware hacking projects. Sometimes, though, the real hack in a project isn’t building hardware, but rather building a community around the hardware. Case in point: [Brian Lough]’s latest project , which he dubs “CYD,” for the “cheap yellow display” that it’s based on; which is...
29
15
[ { "comment_id": "6694575", "author": "Phil Barrett", "timestamp": "2023-10-29T00:56:53", "content": "I went looking for your discord channel but couldn’t find it. Discover shows nothing named cheap-yellow-display. Not a discord pro for sure but gave up after a few minutes of trying.So, I’ll ask the...
1,760,372,122.303252
https://hackaday.com/2023/10/28/brick-laying-machine-builds-without-mortar/
Brick-Laying Machine Builds Without Mortar
Kristina Panos
[ "home hacks", "Robots Hacks" ]
[ "bricklaying", "concrete blocks", "housing", "pick and place", "robot" ]
https://hackaday.com/wp-…-x-800.png?w=800
Move over, 3D printed houses. There’s a new game in town, and it is able to use standard concrete blocks to build the walls of a house in just one day. Australian company FBR’s Hadrian X is a tablet-controlled system that follows CAD models to lay the blocks one by one . As you can see in the video after the break, the...
45
17
[ { "comment_id": "6694543", "author": "Daniel", "timestamp": "2023-10-28T21:19:53", "content": "And then they need someone to fill the vertical gaps.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6694797", "author": "KevinC", "timestamp": "20...
1,760,372,122.403366
https://hackaday.com/2023/10/28/open-source-key-programmer-for-hitag2-keys/
Open Source Key Programmer For HiTag2 Keys
Lewin Day
[ "Arduino Hacks", "Transportation Hacks" ]
[ "car", "key", "transponder key" ]
https://hackaday.com/wp-…997689.png?w=800
Hitag transponders have been used in a wide variety of car keys as a protective measure against hot-wiring and theft. They’re also a reason why it’s a lot more expensive to get car keys duplicated these days for many models that use this technology. However, there is now an open source programmer that works with these ...
9
5
[ { "comment_id": "6694557", "author": "SkriptDaddy", "timestamp": "2023-10-28T22:27:02", "content": "I’ve got almost all parts at home. great project.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6694565", "author": "Russ Cottrill", "timestamp": "2023...
1,760,372,122.449499
https://hackaday.com/2023/10/28/impostor-syndrome-its-not-your-fault/
Impostor Syndrome: It’s Not Your Fault!
Elliot Williams
[ "Hackaday Columns", "Rants", "Slider" ]
[ "easy hacks", "impostor syndrome", "newsletter", "scroll wheel", "usb" ]
https://hackaday.com/wp-…munity.jpg?w=800
[Crispernaki] and I have something in common. We both saw this awesome project that made a scroll wheel out of a VHS head back in 2010, and wanted to make one. We both wanted to put our own spin on the gadget, (tee-hee), discovered that it was harder than either of us wanted to commit to, and gave up. Flash forward abo...
68
27
[ { "comment_id": "6694461", "author": "john A ferguson", "timestamp": "2023-10-28T14:23:25", "content": "I don’t about the rest of you, but I do a lot of projects that are beyond and sometimes way beyond my understanding of the issues. Usually they don’t work right away but eventually.I must say tha...
1,760,372,122.609893
https://hackaday.com/2023/10/28/plasma-cutting-and-3d-printing-team-up-to-make-bending-thick-sheet-steel-easier/
Plasma Cutting And 3D Printing Team Up To Make Bending Thick Sheet Steel Easier
Dan Maloney
[ "Tool Hacks" ]
[ "alignment", "bending", "bracket", "jig", "plasma", "plasma cutter", "press brake", "sheet steel", "tool" ]
https://hackaday.com/wp-…plasma.png?w=800
Metalworking has always been very much a “mixed method” art. Forging, welding, milling, grinding; anything to remove metal or push it around from one place to another is fair game when you’ve got to make something fast. Adding in fancy new tools like CNC plasma cutting and computer-aided drafting doesn’t change that mu...
7
5
[ { "comment_id": "6694487", "author": "Joseph Clark Ray", "timestamp": "2023-10-28T15:55:15", "content": "I feel like the partial depth of cut with the plasma cutter was a good idea, putting internal chamfers on thick bent pieces is common. I think doing it with the plasma cutter likely made the shee...
1,760,372,122.494323
https://hackaday.com/2023/10/28/paperless-rfid-tags-are-carbon-based/
Paperless RFID Tags Are Carbon-Based
Kristina Panos
[ "green hacks", "Laser Hacks" ]
[ "antenna", "carbon", "rfid", "single-use electronics" ]
https://hackaday.com/wp-…ag-800.jpg?w=800
RFID tags are great little pieces of technology, but unfortunately, the combination of paper, metal, and silicon means they are as bad as some modern pregnancy tests — single-use electronic devices that can’t be recycled. Some prototypes of the RFID tags. A team of design program graduates from London’s Royal College o...
16
6
[ { "comment_id": "6694418", "author": "Dan", "timestamp": "2023-10-28T08:58:48", "content": "Err… the headline doesn’t seem to match the content… the article says “ a design that uses paper as its only material” – which is great news for disposable ones.Did you mean plasticless?", "parent_id": nu...
1,760,372,122.669955
https://hackaday.com/2023/10/27/build-an-easy-replica-of-hal-9000/
Build An Easy Replica Of HAL 9000
Lewin Day
[ "Misc Hacks" ]
[ "adafruit", "hal", "hal 9000", "hal9000", "propmaker feather" ]
https://hackaday.com/wp-…shot-2.png?w=800
Adafruit’s PropMaker Feather is a microcontroller board designed specifically for building props with electronic features. Thus, what better way to show it off than by building a nifty replica of the most menacing AI ever to roam this solar system? That’s right, it’s the Adafruit HAL9000 build! Following the 80/20 rule...
31
15
[ { "comment_id": "6694404", "author": "Voja Antonic", "timestamp": "2023-10-28T06:26:52", "content": "HAL9000 is the most imaginatively conceived movie character, my obsession since 1968, when I first saw the film. Since then I have made many replicas, here is the last one:https://hackaday.io/project...
1,760,372,122.738079
https://hackaday.com/2023/10/27/the-many-ways-to-play-colossal-cave-adventure-after-nearly-half-a-century/
The Many Ways To Play Colossal Cave Adventure After Nearly Half A Century
Maya Posch
[ "Games" ]
[ "colossal cave adventure", "text game" ]
https://hackaday.com/wp-…aveMap.jpg?w=800
Born from a passion for caving and the wish to turn this into a digital adventure for all ages, Colossal Cave Adventure has grown from its quiet introduction in 1976 by William Crowther into the expanded game that inspired countless others to develop their own take on the genre, eventually leading to the realistically ...
15
13
[ { "comment_id": "6694396", "author": "CMH62", "timestamp": "2023-10-28T02:53:20", "content": "Fantastic! I recall how mad my wife got with me many decades ago when the guy who lived in the apartment upstairs would come by with a “portable” computer and we’d play many hours long into the night while...
1,760,372,122.791243
https://hackaday.com/2023/10/27/pc-fan-controller-works-on-most-operating-systems/
PC Fan Controller Works On Most Operating Systems
Bryan Cockfield
[ "computer hacks" ]
[ "computer", "controller", "cooling", "desktop", "fan", "fan controller", "nas", "network", "network attached storage", "pc", "sata", "usb" ]
https://hackaday.com/wp-…r-main.jpg?w=800
For better or worse, most drivers for PC-related hardware like RGB components and fan controllers are built for Windows and aren’t generally of the highest quality. They’re often proprietary and clunky, and even if they aren’t a total mess they generally won’t work on Linux machines at all, or even on a headless setup ...
13
6
[ { "comment_id": "6694370", "author": "LordNothing", "timestamp": "2023-10-27T23:53:05", "content": "id rather get fan bus strips from the pcb mill of my choice. this is how i manage to run 5 fans off of 2 fan headers. especially when one of the headers can push enough current for a water pump and ca...
1,760,372,122.878309
https://hackaday.com/2023/10/27/mechanical-scorpion-robot-is-a-cute-little-critter/
Mechanical Scorpion Robot Is A Cute Little Critter
Lewin Day
[ "Robots Hacks" ]
[ "robot", "scorpion" ]
https://hackaday.com/wp-…048382.png?w=800
Plenty of robots stick to a pair of driven wheels to keep locomotion simple. If you’re bold though, or just like creepy crawlies, you might instead appreciate this cute scorpion robot build. Real scorpions have eight legs, but this design has just four legs, which keeps the parts count lower and control much simpler. I...
1
1
[ { "comment_id": "6694345", "author": "deshipu", "timestamp": "2023-10-27T20:16:17", "content": "No matter how much programming you do, you can’t have much better gaits with this leg configuration. You would either need to add four more servos, to have a proper 3-degree of freedom per leg, or have th...
1,760,372,122.831245
https://hackaday.com/2023/10/26/remembering-the-muddiest-of-times-with-the-mud1-and-mud2-online-rpgs/
Remembering The MUDdiest Of Times With The MUD1 And MUD2 Online RPGs
Maya Posch
[ "Games" ]
[ "mud", "muds", "multi-user dungeon" ]
https://hackaday.com/wp-…elcome.png?w=800
Before there were massively multiplayer online role-playing games (MMORPGs) like EverQuest , the genre was called a Multi-User Dungeon (MUD), following in the trend of calling text adventures at that time ‘dungeon crawlers’. These multi-player games required you to bring along your own imagination, for these were purel...
14
13
[ { "comment_id": "6694229", "author": "Truth", "timestamp": "2023-10-27T06:18:31", "content": "I logged in as mudguest and could tell it is not my cup of tea (or extra strong mug of coffee), a good example of a more modern MUD (Multi-User Dungeon) would be Ancient Anguish (elf/orc/dwarf/half-elf/huma...
1,760,372,123.13233
https://hackaday.com/2023/10/26/blatano-art-project-tracks-devices-in-its-vicinity/
Blatano Art Project Tracks Devices In Its Vicinity
Lewin Day
[ "Art" ]
[ "art", "bluetooth", "ESP32" ]
https://hackaday.com/wp-…_640-1.jpg?w=800
Computers, surveillance systems, and online agents are perceiving us all the time these days. Most of the time, it takes place in the shadows, and we’re supposed to be unaware of this activity going on in the background. The Blatano art piece from [Leigh] instead shows a digital being that actively displays its percept...
2
2
[ { "comment_id": "6694392", "author": "Adrian", "timestamp": "2023-10-28T02:31:17", "content": "I love the idea of using a 35mm slide viewer as enclosure.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "8051482", "author": "LEIGH L KLOTZ JR", "timestamp"...
1,760,372,123.042666
https://hackaday.com/2023/10/26/interactive-chameleon-lamp-changes-color-at-your-whim/
Interactive Chameleon Lamp Changes Color At Your Whim
Kristina Panos
[ "Arduino Hacks", "Art" ]
[ "arduino pro micro", "chameleon", "color sensor", "diorama" ]
https://hackaday.com/wp-…mp-800.jpg?w=800
You never forget your first diorama, especially when it’s interactive. Although admittely a bit late to celebrate Erntedankfest (Germanic Thanksgiving), [Markus Bindhammer] is ahead of the curve when it comes to the American version. This interactive diorama lamp features a cute chameleon that [Markus sculpted from a w...
2
2
[ { "comment_id": "6694393", "author": "Reactive Light", "timestamp": "2023-10-28T02:37:39", "content": "[Markus sculpted from a wire frame and a lump of clay]HaD naming conventions get sillier by the day.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6694600",...
1,760,372,123.082934
https://hackaday.com/2023/10/26/tims-draw-bot-gets-around-with-a-pen/
Tim’s Draw Bot Gets Around With A Pen
Lewin Day
[ "Robots Hacks" ]
[ "drawbot", "drawing robot", "robot" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you grew up playing with LOGO on an old 8-bit computer, you’re probably familiar with the concept of a drawbot. It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build one that uses a simple skid-steer design to get around the page. An Arduino Nano is the brains of the operation, paired ...
5
5
[ { "comment_id": "6694149", "author": "David", "timestamp": "2023-10-26T20:56:05", "content": "Obligatory XKCD:“Instructions”, and of coursethe explanation.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6694156", "author": "Joshua", "timestamp": "2023-...
1,760,372,123.005726
https://hackaday.com/2023/10/26/a-tiny-board-for-driving-leds-in-whatever/
A Tiny Board For Driving LEDs In…Whatever
Lewin Day
[ "LED Hacks" ]
[ "addressable leds", "game boy", "led" ]
https://hackaday.com/wp-…511709.png?w=736
Whether you’re into chiptune or just playing Tetris on original hardware, you might like rocking a heavily-customized Game Boy. Lovely flashing LEDs can only improve the aesthetic, so if that’s what you’re after, you might consider the ARCCore board from [NatalieTheNerd]. The board is a compact and easy way to drive so...
19
3
[ { "comment_id": "6694132", "author": "limroh", "timestamp": "2023-10-26T19:10:46", "content": "> It rocks an RP2040 microcontrollerthat seems wrong to me. Can ‘we’ establish a new word for RP2040’s and the ESPs and so on?Like maybe “megacontroller”? Or at least “macrocontroller”?ATtiny’s, PIC’s and ...
1,760,372,123.307582
https://hackaday.com/2023/10/26/simple-badge-is-simple-but-its-yours/
Simple Badge Is Simple, But It’s Yours
Al Williams
[ "Arduino Hacks", "Hackaday Columns", "Microcontrollers", "Slider" ]
[ "badge", "Raspberry Pi Pico" ]
https://hackaday.com/wp-…412670.jpg?w=800
Making conference badges, official or unofficial, has become an art form. It can get pretty serious . # badgelife . But DEFCON-goers aren’t the only people making fancy personalized nametags. Hams often had callsign badges going back as far as I can remember. Most were made of engraved plastic, but, at some point, it b...
8
6
[ { "comment_id": "6694124", "author": "make piece not war", "timestamp": "2023-10-26T18:46:45", "content": "Hi Al. Does it … ahem …Aaaa, doest it p..(deep breath) Can you play Doom on it?The answer is yes, but your buttocks will hurt ;)Nice project. Keep’em comming.", "parent_id": null, "dept...
1,760,372,123.458243
https://hackaday.com/2023/10/26/simple-hack-lets-smartphone-take-resin-printer-time-lapses/
Simple Hack Lets Smartphone Take Resin Printer Time-Lapses
Dan Maloney
[ "3d Printer hacks", "Arduino Hacks" ]
[ "arduino", "ldr", "photography", "resin", "sla", "time-lapse" ]
https://hackaday.com/wp-…-lapse.jpg?w=800
With how cheap they’re getting, everyone seems to be jumping on the resin printer bandwagon. They may not be able to fully replace your trusty old FDM printer, but for certain jobs, they just can’t be beaten. Sadly though, creating those smooth time-lapse videos of your prints isn’t quite as easy to do as it is on thei...
5
4
[ { "comment_id": "6694119", "author": "Ben", "timestamp": "2023-10-26T18:27:14", "content": "…of course, the OTHER other way to do this would be to hack the firmware so that after printing it lowers the print back into the resin, then pulls it out again while you film at normal speed.", "parent_i...
1,760,372,123.543328
https://hackaday.com/2023/10/27/3d-printed-dump-truck-carries-teeny-loads/
3D Printed Dump Truck Carries Teeny Loads
Lewin Day
[ "Microcontrollers", "Toy Hacks" ]
[ "ESP32", "radio control", "truck" ]
https://hackaday.com/wp-…enshot.png?w=800
What do you do when you already have a neat little radio-controlled skid-steer loader? Well, if you’re [ProfessorBoots], you build a neat little dump truck to match! The dump truck is built out of 3D printed components, and has proportions akin to a heavy-duty mining hauler. The dump bed and wheels were oversized relat...
8
5
[ { "comment_id": "6694366", "author": "The Commenter Formerly Known As Ren", "timestamp": "2023-10-27T23:22:50", "content": "It needs to be printed in Cadmium Yellow.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6694367", "author": "gregg4", ...
1,760,372,123.584211
https://hackaday.com/2023/10/27/the-dar-es-salaam-hacker-scene-and-gamut-detection/
The Dar Es Salaam Hacker Scene And Gamut Detection
Anne Ogborn
[ "Featured", "hardware", "Interest", "Robots Hacks", "Slider" ]
[ "arduino", "microcontroller", "robot" ]
https://hackaday.com/wp-…iamain.jpg?w=800
We’re on a sort of vacation in Tanzania at the moment and staying in a modest hotel away from the tourist and government district. It’s a district of small shops selling the same things and guys repairing washing machines out on the sidewalk. The guys repairing washing machines are more than happy to talk. Everybody’s ...
8
5
[ { "comment_id": "6694347", "author": "YoDrTentacles", "timestamp": "2023-10-27T20:28:11", "content": "So amazing to see other hacker scenes in the world. Thank you for enlightening us.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6694352", "author": "Cap...
1,760,372,123.502301
https://hackaday.com/2023/10/27/hackaday-podcast-242-mechanical-math-kaboombox-and-racing-the-beam/
Hackaday Podcast 242: Mechanical Math, KaboomBox, And Racing The Beam
Kristina Panos
[ "Hackaday Columns", "Podcasts", "Slider" ]
[ "Hackaday Podcast" ]
https://hackaday.com/wp-…ophone.jpg?w=800
This week, Editor-in-Chief Elliot Williams and Kristina Panos met up from their separate but equally pin drop-quiet offices to discuss the best hacks of the previous week. Well, we liked these one, anyway. First up in the news, it’s finally time for Supercon ! So we’ll see you there? If not, be sure to check out the ta...
1
1
[ { "comment_id": "6696140", "author": "iHally", "timestamp": "2023-11-04T21:00:23", "content": "The quality of the episodes are fantastic. Thanks for all the effort all of you put into it. Favorite podcast to binge when I need to stir the brain juices. A detail about a recent hack or the references t...
1,760,372,123.633838
https://hackaday.com/2023/10/27/a-simple-and-effective-3d-filament-splicer/
A Simple And Effective 3D Filament Splicer
Jenny List
[ "3d Printer hacks" ]
[ "3d printer", "filament", "filament splicing" ]
https://hackaday.com/wp-…atured.jpg?w=800
There are times in every 3D print enthusiast’s life when it would be convenient to join two pieces of filament. The problem with simply melting them together is that the resulting join has a blob of plastic surrounding it which has difficulty making it through the printer’s internals. [Pete Prodoehl] has a solution, in...
29
14
[ { "comment_id": "6694298", "author": "Cyna", "timestamp": "2023-10-27T15:37:03", "content": "No to the very first sentence.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6694306", "author": "Jeena", "timestamp": "2023-10-27T16:18:08", ...
1,760,372,123.700495
https://hackaday.com/2023/10/27/this-week-in-security-1password-polyglots-and-roundcube/
This Week In Security: 1Password, Polyglots, And Roundcube
Jonathan Bennett
[ "Hackaday Columns", "News", "Security Hacks", "Slider" ]
[ "1Password", "polyglot", "Roundcube", "Zenbleed" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
This week we got news of a security incident at 1Password, and we’re certain we aren’t the only ones hoping it’s not a repeat of what happened at LastPass. 1Password has released a PDF report on the incident , and while there are a few potentially worrying details, put into context it doesn’t look too bad. The first si...
12
4
[ { "comment_id": "6694293", "author": "BT", "timestamp": "2023-10-27T14:59:29", "content": "When I was young I watched scary films through gaps between my fingers. Now I am old I get the same urge reading this column each week!", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,123.865249
https://hackaday.com/2023/10/27/retrotechtacular-crash-testing-truck-attenuators-for-science/
Retrotechtacular: Crash Testing Truck Attenuators, For Science
Dan Maloney
[ "Retrotechtacular", "Slider" ]
[ "attenuator", "Caltrans", "crash", "crash test", "honeycomb", "retrotechtacular" ]
https://hackaday.com/wp-….25.42.png?w=622
There are those among us who might bristle at something from the early 1980s qualifying for “Retrotechtacular” coverage, but it’s been more than 40 years since the California Department of Transportation’s truck-mounted attenuators crash testing efforts , so we guess it is what it is. If you’re worried that you have no...
19
8
[ { "comment_id": "6694264", "author": "Paul", "timestamp": "2023-10-27T12:28:12", "content": "Well, hey, that foil stuff was used as shock absorbers for the manned lunar landings, so it’s got a good pedigree.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "66942...
1,760,372,123.758503
https://hackaday.com/2023/10/27/why-game-boy-ips-screens-flicker/
Why Game Boy IPS Screens Flicker
Lewin Day
[ "Nintendo Game Boy Hacks", "Nintendo Hacks" ]
[ "game boy", "nintendo", "screen" ]
https://hackaday.com/wp-…893768.png?w=800
The Nintendo Game Boy was a very popular handheld in its time, but its display technology has not aged gracefully. Ripping out the original screen and dropping in a modern IPS LCD is a popular mod, but that often comes with a weird flicker now and then. [makho] is here to explain why. The problem was that the Game Boy ...
17
2
[ { "comment_id": "6694238", "author": "Daid", "timestamp": "2023-10-27T08:15:09", "content": "Note that this isn’t the only “issue” with IPS screens on gameboy colors. It’s also that the colors are completely wrong. The saturation levels on the real gameboy color are much lower. Which is why the most...
1,760,372,123.812042
https://hackaday.com/2023/10/25/level-your-trailer-or-rv-with-this-nifty-helper-device/
Level Your Trailer Or RV With This Nifty Helper Device
Lewin Day
[ "Microcontrollers", "Transportation Hacks" ]
[ "camper", "rv", "Teensy" ]
https://hackaday.com/wp-…170932.jpg?w=800
Getting your RV or trailer parked nice and level is key to getting a good night’s sleep. Traditional methods involve bubble levels and trial and error, but [MJCulross] wanted something better. Enter the Teensy RV Leveling Helper. The device uses an accelerometer to detect the pitch and roll angles of the RV. It then di...
30
14
[ { "comment_id": "6693919", "author": "C. Scott Ananian", "timestamp": "2023-10-25T19:04:45", "content": "Take my money! This is *highly* relevant to my interests…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6700856", "author": "kd5rxt-mark", ...
1,760,372,123.933425
https://hackaday.com/2023/10/25/keebin-with-kristina-the-one-with-the-foot-keyboard/
Keebin’ With Kristina: The One With The Foot Keyboard
Kristina Panos
[ "Hackaday Columns", "Peripherals Hacks", "Slider" ]
[ "anti-microbial", "Crary typewriter", "foot keyboard", "knob", "monoblock split", "rotary encoder", "VCR scroll wheel" ]
https://hackaday.com/wp-…Keebin.jpg?w=800
[crispernaki]’s opening comments to this VCR head scroll wheel project lament that overall technical details aren’t “complex, ground-breaking, or even exciting.” Since when does that matter? The point is that not only did the thing finally, eventually get built, it gets daily use and it sparks joy in its owner. This fe...
12
6
[ { "comment_id": "6693892", "author": "Doug", "timestamp": "2023-10-25T17:27:36", "content": "I’m sorry if this is an obvious question, but what is Keebin’ ?? ChatGPT doesn’t know and it’s smarter than me so help a meatbag out please.", "parent_id": null, "depth": 1, "replies": [ {...
1,760,372,124.002135
https://hackaday.com/2023/10/25/a-quick-and-stealthy-mobile-slot-antenna-from-copper-tape/
A Quick And Stealthy Mobile Slot Antenna From Copper Tape
Dan Maloney
[ "Radio Hacks", "Transportation Hacks" ]
[ "amateur radio", "copper foil", "ham", "slot antenna", "stealth", "tape" ]
https://hackaday.com/wp-…ntenna.png?w=800
[Ben Eadie (VE6SFX)] is at it again with the foil tape, and this time he’s whipped up a stealthy mobile sunroof antenna for the amateur radio operator with the on-the-go lifestyle. You may recall [Ben]’s recent duck tape antenna for the 70-cm ham band, an ultra-lightweight design that lends itself to easy packing for p...
41
9
[ { "comment_id": "6693879", "author": "AC2EV", "timestamp": "2023-10-25T15:40:53", "content": "This may be because many automotive glass applications have a metal oxide layer in the glass. This doesn’t work well with antennas.Most of the ones I’ve seen say “solar”… or similar on the label.", "par...
1,760,372,124.232854
https://hackaday.com/2023/10/25/2023-hackaday-supercon-cory-doctorow-signs-on-as-keynote-speaker/
2023 Hackaday Supercon: Cory Doctorow Signs On As Keynote Speaker
Tom Nardi
[ "cons", "Featured", "News", "Slider" ]
[ "2023 Hackaday Supercon", "2023 Hackaday Superconference", "cory doctorow" ]
https://hackaday.com/wp-…2_feat.jpg?w=800
As if you weren’t already excited enough about the speakers and events that will be part of this year’s Hackaday Supercon, today we can finally reveal that journalist, activist, author, technologist, and all around geek Cory Doctorow will be presenting the keynote address on Saturday morning . Cory has always been an o...
9
5
[ { "comment_id": "6693863", "author": "BT", "timestamp": "2023-10-25T14:36:47", "content": "Oh the irony of a talk on the enshittification of the internet being shown on youtube!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693880", "author": "Orze...
1,760,372,124.284742
https://hackaday.com/2023/10/25/reverse-engineered-gba-board-could-come-in-handy/
Reverse-Engineered GBA Board Could Come In Handy
Lewin Day
[ "Nintendo Game Boy Hacks", "Nintendo Hacks" ]
[ "Gameboy Advance", "gba", "nintendo" ]
https://hackaday.com/wp-…930933.png?w=800
Retro gear is beloved, both for what it can do, and what it reminds us of. Nostalgia is a powerful thing, after all. But then, so is corrosion — and the latter has a habit of killing hardware and driving up prices for remaining units. Thankfully, hard workers like [NatalieTheNerd] are out there, creating reproduction P...
8
3
[ { "comment_id": "6693861", "author": "Clancydaenlightened", "timestamp": "2023-10-25T14:25:19", "content": "Well the gba was released in 2000/2001 so the hardware patents expired in 2020/2021So technically in the United States I can make my own gameboy advance console and sell it, just can’t call it...
1,760,372,124.152207
https://hackaday.com/2023/10/25/make-your-own-1970s-magnetic-stripe-cards/
Make Your Own 1970s Magnetic Stripe Cards
Jenny List
[ "classic hacks" ]
[ "70's calculators", "calculator", "magnetic stripe", "sharp" ]
https://hackaday.com/wp-…atured.jpg?w=800
We’re now all used to near-limitless storage on flash and other semiconductor technologies, but there was a time when persistent storage was considerably less easy to achieve. A 1970s programmable calculator from Sharp approached the problem with magnetic strips on special cards, and since [Menadue] has one with no car...
8
4
[ { "comment_id": "6693844", "author": "mrehorst", "timestamp": "2023-10-25T12:57:34", "content": "I once had an old HP desktop calculator with a CRT display that used magnetic cards for storing programs.I lived in Tokyo in the late 80s. They used magnetic cards for pay phones and for the subway syste...
1,760,372,124.328458
https://hackaday.com/2023/10/24/hdmi-for-the-original-xbox/
HDMI For The Original Xbox
Lewin Day
[ "Retrocomputing", "Xbox Hacks" ]
[ "hdmi", "xbox" ]
https://hackaday.com/wp-…enshot.png?w=800
The original Xbox was a console based on PC architecture that launched back in 2001. That was long before HDMI became a defacto standard for home AV systems. However, it’s possible to mod the Xbox to output lovely crisp digital video over HDMI for use with modern screens, as covered by [Modern Vintage Gamer]. The mod, ...
12
7
[ { "comment_id": "6693806", "author": "PietdeVries", "timestamp": "2023-10-25T08:40:47", "content": "or it’s just drawing attention to something cool you can do with an old console, for people who might not know this is an option.", "parent_id": null, "depth": 1, "replies": [] }, { ...
1,760,372,124.377322
https://hackaday.com/2023/10/24/making-magnetic-tape-from-scratch/
Making Magnetic Tape From Scratch
Jenny List
[ "chemistry hacks" ]
[ "magnetic media", "magnetic tape", "tape" ]
https://hackaday.com/wp-…atured.jpg?w=800
The use of magnetic tape and other removable magnetic media is now on the wane, leading to scarcity in some cases where manufacture has ceased. Is it possible to produce new magnetic tape if you don’t happen to own a tape factory? [Nina Kallnina] took the effort to find out . It’s probably one of those pieces of common...
34
13
[ { "comment_id": "6693544", "author": "craig", "timestamp": "2023-10-24T13:22:44", "content": "I distinctly remember James Burke’s voice “This is recorded in sticky tape and rust” from secret life of machines.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "66...
1,760,372,124.445754
https://hackaday.com/2023/10/24/learning-about-capacitors-by-rolling-your-own-electrolytics/
Learning About Capacitors By Rolling Your Own Electrolytics
Dan Maloney
[ "Parts" ]
[ "aluminum", "anode", "capacitor", "cathode", "dielectric", "electrolyte", "electrolytic", "oxide" ]
https://hackaday.com/wp-…olling.png?w=800
Ever wonder what’s inside an electrolytic capacitor? Many of us don’t, having had at least a partial glimpse inside after failure of the cap due to old age or crossed polarity. The rest of us will have to rely on this behind-the-scenes demo to find out what’s inside those little aluminum cans. Perhaps unsurprisingly, i...
17
8
[ { "comment_id": "6693513", "author": "NFM", "timestamp": "2023-10-24T11:28:03", "content": "Oh, UCC do factory tours, or was it a special visit? (Can’t watch the video on the train….)I’d visit if they have tours available!Only the other side of Tokyo…", "parent_id": null, "depth": 1, "re...
1,760,372,124.596442
https://hackaday.com/2023/10/23/light-guns-arent-just-for-crts-anymore/
Light Guns Aren’t Just For CRTs Anymore
Bryan Cockfield
[ "Games", "Peripherals Hacks" ]
[ "duck hunt", "gaming", "gun4ir", "leds", "light gun", "lightgun", "samco", "wii", "wiimote" ]
https://hackaday.com/wp-…n-main.jpg?w=800
For how much of a cultural phenomenon light gun games like Duck Hunt were, they didn’t survive the transition from CRT televisions to LCDs particularly well because of all of the technological quirks the light guns exploited in older technology that simply disappeared with modern TVs. But it’s not impossible to get a s...
17
7
[ { "comment_id": "6693486", "author": "70sjukebox", "timestamp": "2023-10-24T06:58:16", "content": "Recentlyhttps://hackaday.com/2023/10/17/can-an-8-bit-light-gun-work-on-a-modern-tv/", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693531", "author": ...
1,760,372,124.65022
https://hackaday.com/2023/10/23/the-imac-gpu-becomes-upgradeable-with-pcie/
The IMac GPU Becomes Upgradeable, With PCIe
Jenny List
[ "computer hacks" ]
[ "eGPU", "imac", "PCIe" ]
https://hackaday.com/wp-…atured.jpg?w=800
Over its long lifetime, the Apple iMac all-in-one computer has morphed from the early CRT models through those odd table-lamp machines into today’s beautiful sleek affairs. They look pretty, but is there anything that can be done to upgrade them? Maybe not today’s ones, but the models from the mid-2000s can be given so...
11
7
[ { "comment_id": "6693457", "author": "HaHa", "timestamp": "2023-10-24T02:34:20", "content": "About as ‘upgradable’ as the engine in a modern car.Going to need to change the drivetrain, dashboard, steering wheel, pedals, wiring harness, brakes and all the computers too. Then you get to start looking ...
1,760,372,124.695173
https://hackaday.com/2023/10/23/diy-shredder-creates-insulation/
DIY Shredder Creates Insulation
Bryan Cockfield
[ "green hacks" ]
[ "cardboard", "ceiling", "fiberglass", "garage", "insulation", "roof", "shredder", "solar energy" ]
https://hackaday.com/wp-…n-main.png?w=800
Plenty of us have experience with paper shredders, but there are all kinds of machines designed to completely destroy other materials as well, from metal and plastic, to entire cars. [Action BOX] built their own heavy-duty shredder capable of dismantling things like cell phones and other robust handheld objects, but af...
28
7
[ { "comment_id": "6693429", "author": "Bob Marlee", "timestamp": "2023-10-24T00:05:15", "content": "This is a terrible idea as implemented. Proper cellulose insulation is treated with boric acid to reduce flammability and it’s attractiveness to critters. Those trash bags certainly won’t help mitigate...
1,760,372,124.763762
https://hackaday.com/2023/10/23/using-leds-to-determine-a-video-cameras-true-framerate/
Using LEDs To Determine A Video Camera’s True Framerate
Maya Posch
[ "digital cameras hacks" ]
[ "framerate", "frames per second" ]
https://hackaday.com/wp-…h_leds.jpg?w=800
Interpolation and digital cropping are two techniques which are commonly used by marketing folk to embellish the true specifications of a device. Using digital cropping a fictitious zoom level can be listed among the bullet points, and with frame interpolation the number of frames per second (FPS) recorded by the senso...
17
4
[ { "comment_id": "6693386", "author": "Foldi-One", "timestamp": "2023-10-23T20:52:38", "content": "I wonder if at any point that high fps mode did work, as it is quite possible it did but the software updates happened to bork it or it technically can do it, but only when the image processor is cooled...
1,760,372,124.819766
https://hackaday.com/2023/10/23/kaboombox-is-a-firecracker-of-a-music-player/
KaboomBox Is A Firecracker Of A Music Player
Kristina Panos
[ "Raspberry Pi" ]
[ "DF Player", "mp3 player", "Raspberry Pi Pico", "rfid" ]
https://hackaday.com/wp-…ox-800.jpg?w=800
Ka-chunk. Let’s face it, 8-tracks were not that great. But the players, that’s another story. The Panasonic RQ-830S, aka the dynamite or TNT player is just one of many lovely designs that used to grace the shelves of electronics stores. Hackaday alum [Cameron Coward] came across a non-working model and used it to creat...
5
3
[ { "comment_id": "6693361", "author": "Van L Loggins", "timestamp": "2023-10-23T19:18:54", "content": "Being a child born in 1973 I still remember 8-track players, we had one on our home stereo. The second car I ever owned as a teenager was a 1977 Ford LTD with the half-vinyl landau top and it had th...
1,760,372,124.889174
https://hackaday.com/2023/10/24/retro-computing-coding-competition-still-open/
Retro Computing Coding Competition Still Open
Richard Baguley
[ "Retrocomputing" ]
[ "CHIP-8", "COSMAC VIP" ]
https://hackaday.com/wp-…-ten-1.gif?w=800
There’s still time to enter Octojam 10 , a competition to write a new program for a rather old (and virtual) machine: the CHIP-8. This interpreted language on a virtual machine was used in the 1970s and 1980s to write games that could run on several consoles, such as the COSMAC VIP. Since then, a community of tinkerers...
2
2
[ { "comment_id": "6693753", "author": "Ostracus", "timestamp": "2023-10-25T02:39:48", "content": "Seems an emulator or two out there.https://steamcommunity.com/sharedfiles/filedetails/?id=1747719458", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6693756", "...
1,760,372,126.569816
https://hackaday.com/2023/10/24/flaming-skull-hood-ornament-is-not-suitable-for-use-in-traffic/
Flaming Skull Hood Ornament Is Not Suitable For Use In Traffic
Lewin Day
[ "Transportation Hacks" ]
[ "fire", "fire breathing", "flames", "skull" ]
https://hackaday.com/wp-…enshot.png?w=800
It’s one thing to mount a big skull—human or animal—to the front of your car. Really, though, a good hood skull should breathe fire to truly inspire enmity or awe. Thankfully, when [Anthony] went about modifying his ex-school bus, he was sure to equip it with suitably flaming equipment. It’s dangerous, so don’t try thi...
16
6
[ { "comment_id": "6693729", "author": "jenningsthecat", "timestamp": "2023-10-24T23:25:19", "content": "“Not Suitable For Use In Traffic”? I’m sure some of us here would beg to differ, at least in some situations… ;-)", "parent_id": null, "depth": 1, "replies": [ { "comment_...
1,760,372,126.623653
https://hackaday.com/2023/10/24/driving-an-oled-screen-with-a-6502-single-board-computer/
Driving An OLED Screen With A 6502 Single-Board Computer
Lewin Day
[ "Software Development" ]
[ "6502", "assembly", "raspberry pi", "serial terminal", "terminal" ]
https://hackaday.com/wp-…shot-1.png?w=800
Twenty years ago, if you wanted an LCD for a project, you’d probably end up with something salvaged from a mobile phone or an HD44780 character display. These days, little OLEDs can be had for a few bucks and they’ve taken the maker world by storm. [Anders Nielsen] has recently been experimenting with driving these dis...
12
6
[ { "comment_id": "6693717", "author": "Jc", "timestamp": "2023-10-24T22:16:52", "content": "Video on other websites disabled", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693719", "author": "The Commenter Formerly Known As Ren", "timestamp":...
1,760,372,127.16049
https://hackaday.com/2023/10/24/high-voltage-turns-welder-into-plasma-cutter/
High Voltage Turns Welder Into Plasma Cutter
Bryan Cockfield
[ "Tool Hacks" ]
[ "cutter", "plasma", "plasma cutter", "torch", "welder", "welding" ]
https://hackaday.com/wp-…a-main.png?w=800
For doing basic steel welding, most of us will reach for a MIG welder. It might not be the best tool for every welding job, but it’s definitely the most accessible since they tend to use only basic parts, easy-to-find gas, and can run from a standard electrical outlet. A plasma cutter isn’t as common, and while they’re...
29
6
[ { "comment_id": "6693683", "author": "Simon", "timestamp": "2023-10-24T20:09:19", "content": "Am I the only one that gets a nasty sunburn from electric welders? Seeing a bare hand holding the torch makes my skin itch.", "parent_id": null, "depth": 1, "replies": [ { "comment...
1,760,372,126.689421
https://hackaday.com/2023/10/24/linux-fu-customizing-printf/
Linux Fu: Customizing Printf
Al Williams
[ "Hackaday Columns", "Linux Hacks", "Slider", "Software Development" ]
[ "gcc", "linux", "printf" ]
https://hackaday.com/wp-…inuxFu.jpg?w=800
When it comes to programming in C and, sometimes, C++, the printf function is a jack-of-all-trades. It does a nice job of quickly writing output, but it can also do surprisingly intricate formatting. For debugging, it is a quick way to dump some data. But what if you have data that printf can’t format? Sure, you can ju...
13
7
[ { "comment_id": "6693621", "author": "CityZen", "timestamp": "2023-10-24T17:30:09", "content": "In the line 4 code under “A Little Harder” there’s a rogue & instead of a ;", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693626", "author": "Al William...
1,760,372,126.528994
https://hackaday.com/2023/10/24/using-industrial-ct-to-examine-a-129-usb-cable/
Using Industrial CT To Examine A $129 USB Cable
Dan Maloney
[ "Peripherals Hacks" ]
[ "apple", "CT computed tomography", "industrial CT", "scanner", "Thunderbolt", "usb" ]
https://hackaday.com/wp-…t_scan.png?w=800
What in the world could possibly justify charging $129 for a USB cable? And is such a cable any better than a $10 Amazon Basics cable? To answer that question, [Jon Bruner] fired up an industrial CT scanner to look inside various cables ( Nitter ), with interesting results. It perhaps comes as little surprise that the ...
79
18
[ { "comment_id": "6693603", "author": "elwing", "timestamp": "2023-10-24T16:13:49", "content": "It sure can’t compare to the cheapest cable, these are really nice cables. but it still definitely do not worth the price tag… not when you compare some other cables… I got some for like less than 6$ with ...
1,760,372,127.022751
https://hackaday.com/2023/10/24/game-graphics-racing-the-beam/
Game Graphics: Racing The Beam
Julian Scheffers
[ "Featured", "Games", "Interest", "Nintendo Hacks", "Original Art" ]
[ "computer graphics", "game graphics", "games", "racing the beam" ]
https://hackaday.com/wp-…aphics.jpg?w=800
Have you ever wondered how the graphics in your favorite video games worked? This is the start of a series on game graphics, and what better place to start than how exactly the original Mario Bros. got those glorious pixely pixels onto the screen. Buckle in, because we’re “racing the beam” with systems like the NES, Co...
15
9
[ { "comment_id": "6693564", "author": "Ostracus", "timestamp": "2023-10-24T14:21:24", "content": "History of cheaper memory and it’s effects on computer development, a non-scholarly paper.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6693632", "author": "...
1,760,372,127.22278
https://hackaday.com/2023/10/23/retrotechtacular-the-175000-laser-printer/
Retrotechtacular: The $175,000 Laser Printer
Al Williams
[ "Hackaday Columns", "Retrocomputing", "Retrotechtacular", "Slider" ]
[ "laser printer", "mainframe" ]
https://hackaday.com/wp-…aser-3.png?w=800
Laser printers today are cheap and readily available. But in 1976, they were the height of printing technology. The IBM 3800 was the $175,000 printer to have in that year. (Video, embedded below.) But you couldn’t have one on your desktop. Even if you could afford it, the thing is the size of a car, and we don’t even w...
38
21
[ { "comment_id": "6693331", "author": "Bruce", "timestamp": "2023-10-23T17:07:28", "content": "I was on the receiving end of one of these. I wrote a lot of tech & user documentation in a government programming office. It was nice printer, and with sufficient knowledge of the input code, a lot of th...
1,760,372,126.911835
https://hackaday.com/2023/10/23/arudwatch-design-study-is-compelling-concept-for-diy-smartwatch/
Arduwatch Design Study Is Compelling Concept For DIY Smartwatch
Lewin Day
[ "Wearable Hacks" ]
[ "arduwatch", "design study", "smart watch", "smartwatch" ]
https://hackaday.com/wp-…29370.jpeg?w=800
Smartwatches are a battleground these days, with smartphone manufacturers vying to have the prettiest, sleekest, and longest-lasting device on the market. Meanwhile, DIY efforts continue to improve in sophistication as better components become available. [Rocky Bergen’s] Arduwatch is a particularly appealing design stu...
10
7
[ { "comment_id": "6693309", "author": "Erik van Baarle", "timestamp": "2023-10-23T15:50:09", "content": "please correct the title, arudwatch is incorrect", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6693313", "author": "mh", "timestamp": "2023-10-23T1...
1,760,372,126.736987
https://hackaday.com/2023/10/23/when-is-damascus-steel-not-from-damascus/
When Is Damascus Steel Not From Damascus?
Jenny List
[ "Featured", "Interest", "Skills", "Slider" ]
[ "blacksmith", "blacksmithing", "damascus steel", "iron", "steel" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you grow up around a working blacksmith’s forge, there are a few subjects related to metalwork on which you’ll occasionally have a heated discussion. Probably the best known is the topic of wrought iron, a subject I’ve covered here in the past , and which comes from the name of a particular material being confused w...
47
14
[ { "comment_id": "6693290", "author": "Andy Pugh", "timestamp": "2023-10-23T14:16:53", "content": "And it is well known that the more layers the better, until they are invisible, what I will start selling as “homeopathic damascus”.I will contend that properly chosen and treated mono-steel will outper...
1,760,372,126.83076
https://hackaday.com/2023/10/23/is-that-a-record-player-in-your-pocket-or/
Is That A Record Player In Your Pocket Or…
Al Williams
[ "Portable Audio Hacks" ]
[ "mikiphone", "record player", "turntable" ]
https://hackaday.com/wp-…0/miki.png?w=800
If aliens visited the Earth, they might find our obsession with music hard to fathom. We have music in our homes, our cars, and our elevators. Musical performances draw huge crowds and create enormous fame for a select few musicians. These days, your music player of choice is probably the phone in your pocket. What our...
26
9
[ { "comment_id": "6693271", "author": "br? fdp.", "timestamp": "2023-10-23T12:27:18", "content": "“We have music in our homes, our cars, and our elevators.”I saw myself a curious case of nursery rhymes being played 24/7 in a public lavatory to deter homeless. Really awkward.", "parent_id": null, ...
1,760,372,127.283942
https://hackaday.com/2023/10/23/framework-motherboard-turned-cyberdeck/
Framework Motherboard Turned Cyberdeck
Danie Conradie
[ "computer hacks" ]
[ "arduino", "cyberdeck", "Framework laptop" ]
https://hackaday.com/wp-…erdeck.png?w=800
The beauty of a modular ecosystem lies in how it allows individuals to repurpose components in unconventional ways. This is precisely what [Ben Makes Everything] has achieved by using a Framework laptop’s motherboard and battery to create a slab-style cyberdeck . (Video, embedded below.) The Framework motherboard prese...
11
7
[ { "comment_id": "6693237", "author": "elwing", "timestamp": "2023-10-23T08:18:22", "content": "That one is gorgeous!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6693239", "author": "hk", "timestamp": "2023-10-23T08:23:42", "content": "Crying of ...
1,760,372,127.332381
https://hackaday.com/2023/10/22/3d-printing-on-a-spinning-rod/
3D Printing On A Spinning Rod
Danie Conradie
[ "3d Printer hacks" ]
[ "4 axis", "CR-10", "FDM", "springs" ]
https://hackaday.com/wp-…inting.png?w=800
FDM 3D printing traditionally operates on a layer-by-layer basis, using a flat bed to construct parts. However, [Humphrey Wittingtonsworth IV] demonstrates in his video how this process can be significantly enhanced in terms of mechanical strength and print speed by experimenting with printing on a rotating rod instead...
32
14
[ { "comment_id": "6693242", "author": "Jur", "timestamp": "2023-10-23T09:02:42", "content": "Awsome, basically laser cladding but with a 3d printer and plastics, nicely done!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6693252", "author": "Eph", "tim...
1,760,372,127.403355
https://hackaday.com/2023/10/22/math-book-gets-real-with-complex/
Math Book Gets Real With Complex
Al Williams
[ "Misc Hacks" ]
[ "books", "mathematics" ]
https://hackaday.com/wp-…0/math.png?w=800
The [Math Sorcerer] loves books. His latest acquisition is the famous Real and Complex Analysis , which is a very stout math book.  How stout? Well, there are several chapters on holomorphic functions, including how to do a Fourier transform on such a function. There’s also an appendix about Hausdorff’s maximality theo...
22
11
[ { "comment_id": "6693189", "author": "Pauline", "timestamp": "2023-10-23T02:17:57", "content": "I have never before seen the words “Elementary” and “Quantum Mechanics” adjacent in a title before.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693833", ...
1,760,372,127.463043
https://hackaday.com/2023/10/26/the-simulated-universe-thought-experiment-and-information-entropy/
The Simulated Universe Thought Experiment And Information Entropy
Maya Posch
[ "Featured", "Interest", "Original Art", "Science" ]
[ "simulated universe" ]
https://hackaday.com/wp-…lation.jpg?w=800
Do we live in a simulation? This is one of those questions which has kept at least part of humanity awake at night, and which has led to a number of successful books and movies being made on the subject, topped perhaps by the blockbuster  movie The Matrix. Yet the traditional interpretation of the ‘simulated universe’ ...
38
12
[ { "comment_id": "6694079", "author": "Pat", "timestamp": "2023-10-26T15:08:53", "content": "“At this point the very fundament of physics has been essentially rewritten, and we are still only in the second act of this peculiar play.”Yeah, uh. No. Did you actually read the paper you linked to? Quoting...
1,760,372,127.551848
https://hackaday.com/2023/10/26/a-paper-printer-for-qr-code-menus/
A Paper Printer For QR Code Menus
Lewin Day
[ "Lifehacks", "Microcontrollers" ]
[ "menu", "printer", "qr code", "thermal printer" ]
https://hackaday.com/wp-…ault-5.jpg?w=800
Do you miss the days of thumbing through a sticky, laminated booklet to order your food? Sick of restaurants and their frustrating electronic menus? Fear not, for [Guy Dupont] and his QR code menu printer are here to save the day. Yes, that’s right — it’s a lunchbox-sized printer designed to spit out a paper version of...
25
10
[ { "comment_id": "6694041", "author": "Norbert", "timestamp": "2023-10-26T12:23:36", "content": "I like projects with these compact printers so this one, too!…but now that it is working: Isn’t this scenario more of a “solution looking for a problem”?", "parent_id": null, "depth": 1, "repl...
1,760,372,127.611536
https://hackaday.com/2023/10/26/this-machine-has-lost-its-marbles/
This Machine Has Lost Its Marbles
Jenny List
[ "Art", "clock hacks" ]
[ "marble clock", "marble run", "marbles" ]
https://hackaday.com/wp-…atured.jpg?w=800
The astonishing variety of ways to tell the time which have appeared on these pages over the years provides a showcase of the talents and ingenuity of our community. Many clocks use designs we are familiar with, but every now and then along comes a clock that rings something new. So it is with [Ivan Miranda]’s latest w...
15
6
[ { "comment_id": "6694027", "author": "helge", "timestamp": "2023-10-26T09:45:12", "content": "Well good thing he makered it together, skipping all the lessons learned in the Wintergatan Marble Machine projects.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "...
1,760,372,127.834089
https://hackaday.com/2023/10/25/booting-the-raspberry-pi-5-with-an-nvme-ssd/
Booting The Raspberry Pi 5 With An NVMe SSD
Lewin Day
[ "Raspberry Pi" ]
[ "NVMe", "nvme ssd", "raspberry pi", "ssd" ]
https://hackaday.com/wp-…e-nvme.jpg?w=800
The Raspberry Pi has come a long way since its humble origins, adding faster processors and better interfaces with each new generation. Now, the Raspberry Pi 5 has a lovely new PCIe port right on board, and [Jeff Geerling] has gone right ahead and slammed in an NVMe SSD as a boot drive. [Jeff] explains that to use an N...
27
6
[ { "comment_id": "6694000", "author": "Ewald", "timestamp": "2023-10-26T05:07:46", "content": "> One of the primary reasons you might want to do this is speedFor me the primary reason would be to avoid SDcard corruption, it doesn’t happen that often, but when it does it’s always a hassle to get that ...
1,760,372,127.897085
https://hackaday.com/2023/10/25/that-coin-toss-isnt-actually-50-50/
That Coin Toss Isn’t Actually 50/50
Donald Papp
[ "Science" ]
[ "coin flip", "fair", "math", "random" ]
https://hackaday.com/wp-…omness.jpg?w=800
A coin flip is considered by many to be the perfect 50/50 random event, even though — being an event subject to Newtonian physics — the results are in fact anything but random. But that’s okay, because what we really want when we flip a coin is an unpredictable but fair outcome. But what if that’s not actually what hap...
19
9
[ { "comment_id": "6693992", "author": "Chris Pepin", "timestamp": "2023-10-26T03:15:18", "content": "You also have to watch out for people who can flip the coin after it’s landed in their hand if they need to change which side is “UP”. Always let the coin fall on the ground or other surface if you w...
1,760,372,127.744906
https://hackaday.com/2023/10/25/upgraded-toy-guitar-plays-music/
Upgraded Toy Guitar Plays Music
Bryan Cockfield
[ "Musical Hacks" ]
[ "adc", "arduino", "costume", "ESP32", "guitar", "halloween", "music", "sd card", "speaker", "toy" ]
https://hackaday.com/wp-…r-main.jpg?w=800
Getting the finishing details on a Halloween costume completed is the key to impressing friends and strangers alike on the trick-or-treat rounds. Especially when it comes to things like props, these details can push a good Halloween costume to great with the right touches. [Jonathan]’s friend’s daughter will be well ah...
1
1
[ { "comment_id": "6693960", "author": "The Commenter Formerly Known As Ren", "timestamp": "2023-10-25T23:09:47", "content": "Instead of playing songs, I think it would be better if it played famous guitar riffs.P.s. He rickrolled us!", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,372,127.784753
https://hackaday.com/2023/10/25/a-nicer-controller-for-cheap-power-supply-modules/
A Nicer Controller For Cheap Power Supply Modules
Lewin Day
[ "Microcontrollers" ]
[ "ESP32", "power supply", "web interface" ]
https://hackaday.com/wp-…029540.png?w=800
These days, you can get all kinds of cheap power supply modules off a variety of online vendors. A lot of examples from brands like Juntek and Drok often have pretty poor interfaces though, with a couple of tactile buttons and a simple 7-segment display. [rin67630] decided to whip up a better controller with a much mor...
3
2
[ { "comment_id": "6693987", "author": "echodelta", "timestamp": "2023-10-26T01:45:16", "content": "Hard to look at all those 000’s. Leading zero suppression has been around a long time. Also all figures in columns make for easier reading.", "parent_id": null, "depth": 1, "replies": [ ...
1,760,372,127.939577
https://hackaday.com/2023/10/22/hackaday-links-october-22-2023/
Hackaday Links: October 22, 2023
Dan Maloney
[ "Hackaday Columns", "Hackaday links" ]
[ "air pollution", "annular", "dispersed media", "eclipse", "foam", "hackaday links", "museum", "placeholder", "spacecraft", "speeding", "sql injection", "stratosphere", "ticket", "version" ]
https://hackaday.com/wp-…banner.jpg?w=800
The second of three major solar eclipses in a mere six-year period swept across the United States last week. We managed to catch the first one back in 2017 , and still have plans for the next one in April of 2024. But we gave this one a miss, mainly because it was “just” an annular eclipse, promising a less spectacular...
9
7
[ { "comment_id": "6693169", "author": "Eric", "timestamp": "2023-10-23T00:05:45", "content": "“But we gave this one a miss”Should have been in Albuquerque, there were hot air balloon festival at the same time. AIBF had been running for 51 years (skipped 2020 due to covid), this is the first time the...
1,760,372,127.98436
https://hackaday.com/2023/10/22/antique-motherboard-speaks/
Antique Motherboard Speaks
Al Williams
[ "Retrocomputing" ]
[ "bios", "motherboard" ]
https://hackaday.com/wp-…0/bios.png?w=800
[Bits und Bolts] has been restoring an old PC motherboard with the infamous bad electrolytic capacitors. The video of his exploits was interesting enough, but pretty standard stuff. What we found interesting though, was an odd feature of the ASUS Bios called “Post Reporter” that let the motherboard speak error codes an...
18
10
[ { "comment_id": "6693119", "author": "Walrus", "timestamp": "2023-10-22T20:10:34", "content": "Calling a motherboard from this generation “antique” is quite a stretch… You can still find them in PC’s for nearly free at garage sales… Lmao", "parent_id": null, "depth": 1, "replies": [ ...
1,760,372,128.227462
https://hackaday.com/2023/10/22/adobe-scientist-cuts-a-dash-with-lcd-shifting-dress/
Adobe Scientist Cuts A Dash With LCD Shifting Dress
Richard Baguley
[ "Wearable Hacks" ]
[ "adobe", "fashion hacks", "lcd" ]
https://hackaday.com/wp-…dress1.gif?w=600
Adobe research scientist [Christine Dierk] showed off an interesting new project at the Adobe Max conference: Project Primrose, a dress covered with a series of liquid crystal panels that could react to movement, changing the design of the dress . Now, Adobe has released a paper showing some of the technical details of...
64
24
[ { "comment_id": "6693084", "author": "Cyna", "timestamp": "2023-10-22T17:10:41", "content": "Which is much safer than what? 1kV? At least provide enough details for the comparison.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693103", "author": "M...
1,760,372,128.082725
https://hackaday.com/2023/10/22/nasa-jpls-voyager-team-is-patching-up-both-voyagers-firmware/
NASA JPL’s Voyager Team Is Patching Up Both Voyagers’ Firmware
Maya Posch
[ "Space" ]
[ "voyager", "Voyager 2" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
It’s not every day that you get to update the firmware on a device that was produced in the 1970s, and rarely is said device well beyond the boundaries of our solar system. This is however exactly what the JPL team in charge of the Voyager 1 & 2 missions are facing, as they are in the process of sending fresh firmware ...
79
14
[ { "comment_id": "6693059", "author": "Mike", "timestamp": "2023-10-22T14:23:29", "content": "Gotta just love how they are still able to manage wasting our tax dollars.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693061", "author": "Cyna", ...
1,760,372,128.35428
https://hackaday.com/2023/10/22/custom-fume-hood-for-safe-electroless-plating/
Custom Fume Hood For Safe Electroless Plating
Bryan Cockfield
[ "chemistry hacks" ]
[ "air", "Chemistry", "corrosion", "electroless plating", "exhaust", "fume hood", "safety" ]
https://hackaday.com/wp-…e-main.jpg?w=800
There are plenty of chemical processes that happen commonly around the house that, if we’re really following safety protocols to the letter, should be done in a fume hood. Most of us will have had that experience with soldering various electronics, especially if we’re not exactly sure where the solder came from or how ...
10
3
[ { "comment_id": "6693035", "author": "The Commenter Formerly Known As Ren", "timestamp": "2023-10-22T12:05:53", "content": "Nice build.But, what chemical processes does he undertake that need such an apparatus?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "...
1,760,372,128.400602
https://hackaday.com/2023/10/22/stage-lighting-hack-keeps-la-boheme-from-becoming-a-dumpster-fire/
Stage Lighting Hack KeepsLa BohèmeFrom Becoming A Dumpster Fire
Dan Maloney
[ "Misc Hacks" ]
[ "dmx", "effect", "fire", "led", "opera", "rgb", "stage", "stagecraft", "theater" ]
https://hackaday.com/wp-…ge_can.jpg?w=800
With all due respect to the Utah Opera’s production of La bohème , we just couldn’t resist poking a little fun at master electrician [David Smith]’s quick lighting hack for the opera. And who knew an opera from 1896 would need a garbage can fire? Live and learn. In what appears to be a case of “The show must go on,” [D...
20
12
[ { "comment_id": "6693011", "author": "Andrew Stone", "timestamp": "2023-10-22T09:22:34", "content": "Not so much “hacking” as good old-fashioned stagecraft.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6693013", "author": "PoopOnDeck", "timestamp": "...
1,760,372,128.463981
https://hackaday.com/2023/10/21/atomic-antenna-uses-lasers/
Atomic Antenna Uses Lasers
Al Williams
[ "Laser Hacks", "Radio Hacks" ]
[ "antenna", "laser", "rubidium" ]
https://hackaday.com/wp-…/laser.png?w=800
If you think about it, an antenna is nothing more than a radio frequency energy sensor, or — more precisely — a transducer. So, it shouldn’t be a surprise that there could be different ways to sense RF that would work as an antenna. A recent paper in Applied Physics Letters explains an atomic antenna comprised of a rub...
12
8
[ { "comment_id": "6693002", "author": "rtfur4u456u", "timestamp": "2023-10-22T08:03:37", "content": "for transmission and receive ?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693015", "author": "Niels", "timestamp": "2023-10-22T10:17:30",...
1,760,372,128.673699
https://hackaday.com/2023/10/21/bluetooth-device-visualizer-reveals-devices-in-vicinity/
Bluetooth Device Visualizer Reveals Devices In Vicinity
Lewin Day
[ "Misc Hacks" ]
[ "bluetooth", "ESP32" ]
https://hackaday.com/wp-…84382.jpeg?w=800
Have you ever wondered how many Bluetooth devices are floating around you? You could use one of those creepy retail store Bluetooth tracking systems, or set your smartphone to scan. Alternatively, you could use the Bluetooth Devices Visualizer from [Jeremy Geppert]. The device was inspired by [Jeremy’s] trip to Hackada...
2
1
[ { "comment_id": "6693060", "author": "JT", "timestamp": "2023-10-22T14:28:54", "content": "How does the device distinguish between bluetooth and the wifi and other cellular signals?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6693234", "author": "...
1,760,372,128.503725
https://hackaday.com/2023/10/21/pc-case-makes-portable-power-supply/
PC Case Makes Portable Power Supply
Al Williams
[ "Misc Hacks" ]
[ "pc case", "power bank" ]
https://hackaday.com/wp-…/power.png?w=800
Recently, we’ve seen a lot of semi-portable power stations. These have some big rechargeable battery and various connection options. [Dereksgc] wanted to make his own and decided the perfect housing would be a small PC tower case . (Video, embedded below.) It makes sense. There are plenty of easy-to-work front panel in...
4
2
[ { "comment_id": "6693014", "author": "wibble", "timestamp": "2023-10-22T10:03:22", "content": "I spose there must be a reason, but I’ve never understood why the DC barrel jack sockets come offset from centre. It annoys me!", "parent_id": null, "depth": 1, "replies": [ { "co...
1,760,372,128.569706
https://hackaday.com/2023/10/21/building-a-robot-bartender-for-amazon/
Building A Robot Bartender For Amazon
Lewin Day
[ "Misc Hacks" ]
[ "amazon", "bartender", "drink server", "robot bartender" ]
https://hackaday.com/wp-…shot-1.png?w=800
[Audax] built an unassuming side table with a party trick. It could retract a glass inside and fill it up with bourbon. The nifty device gained plenty of positive attention online, leading to a commission from Amazon to build a new version. Thus, [Audax] set about a redesign to create an even more impressive drink deli...
8
4
[ { "comment_id": "6692954", "author": "MmmDee", "timestamp": "2023-10-21T20:05:02", "content": "I saw this story the other day, amazing description of the process of going from idea to working model. I was particularly intrigued as it perfectly describes that every project no matter how big or small ...
1,760,372,128.619505
https://hackaday.com/2023/10/21/arduino-controlled-coil-winder/
Arduino-Controlled Coil Winder
Lewin Day
[ "Arduino Hacks", "Tool Hacks" ]
[ "coil", "coil winder", "tools" ]
https://hackaday.com/wp-…enshot.png?w=800
Coil winders are a popular project because doing the deed manually can be an incredibly tedious and time consuming task. After building one such rig, [Pisces Printing] wanted to find even further time savings, and thus designed an improved, faster version. At it’s heart, it’s a straightforward design, using a linear ra...
13
6
[ { "comment_id": "6692947", "author": "Drone", "timestamp": "2023-10-21T18:27:37", "content": "It’s not a coil winder – until it winds TOROIDS!http://www.jovil.com/", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6692950", "author": "Drone", "t...
1,760,372,128.728235
https://hackaday.com/2023/10/21/the-eternal-dilemma/
The Eternal Dilemma
Elliot Williams
[ "cons", "Hackaday Columns" ]
[ "2023 Hackaday Superconference", "newsletter" ]
https://hackaday.com/wp-…atured.png?w=800
It’s two weeks until Supercon! We can almost smell the solder from here. If you’re coming, and especially if it’s your first time, you’re soon to be faced with the eternal dilemma of hacker cons, only at Supercon it’s maybe a trilemma or even a quadralemma: hang out with folks, work on the badge, go to talks, or show o...
3
1
[ { "comment_id": "6692923", "author": "Markus Bindhammer", "timestamp": "2023-10-21T14:45:29", "content": "Kudos to the artist. The skyline looks amazing.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6692926", "author": "Ostracus", "timestam...
1,760,372,128.770034
https://hackaday.com/2023/10/21/cpu-cooler-in-a-printers-hot-end/
CPU Cooler In A Printer’s Hot End
Al Williams
[ "3d Printer hacks" ]
[ "3d printing", "heat pipe", "hot end" ]
https://hackaday.com/wp-…10/ext.png?w=800
[Proper Printing] often does unusual 3D printer mods. This time, he’s taking a CPU cooler made for a Raspberry Pi with some heat pipes and converting it into a 3D printer hot end . Sound crazy? It is even crazier than it sounds, as seen in the video below. Heat pipes contain a liquid and a wick, so bending them was tri...
9
4
[ { "comment_id": "6692916", "author": "Cyna", "timestamp": "2023-10-21T13:36:51", "content": "Actually, only crappy/cheap hotends have massive heatsinks, like the V5/V6.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6692946", "author": "Eduard", ...
1,760,372,128.832874
https://hackaday.com/2023/10/21/junk-bin-cyberdish-turns-you-into-the-satellite-tracker/
Junk Bin Cyberdish Turns You Into The Satellite Tracker
Dan Maloney
[ "Radio Hacks" ]
[ "dish", "GOES", "LNA", "satellite", "SAWbird", "sdr", "tracker" ]
https://hackaday.com/wp-…erdish.png?w=800
The good thing about listening in on satellites is that they tend to beam down all kinds of juicy information from their lofty perches. The bad thing about satellites is that to stay in those orbits, they’ve got to be moving really fast, and that means that you’ve got to track them if you want to keep a nice consistent...
3
2
[ { "comment_id": "6692927", "author": "James Reed Feeney", "timestamp": "2023-10-21T15:05:41", "content": "I’ve heard of people using these dishes to find unsecured WiFi internet connections, and tap into them.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "669...
1,760,372,128.933223
https://hackaday.com/2023/10/20/pocket-calculator-isnt-a-brain-or-magic/
Pocket Calculator Isn’t A Brain Or Magic
Al Williams
[ "Retrocomputing", "Teardown" ]
[ "calculator", "slide rule" ]
https://hackaday.com/wp-…0/calc.png?w=800
If you predate the pocket calculator, you may remember slide rules. But slide rules take a a little skill to use. There was a market for other devices that were simpler or, in some cases, cheaper. One common one was the “magic brain” or Addiator which was a little metal box with some slots that could add numbers. Howev...
18
14
[ { "comment_id": "6692907", "author": "baz", "timestamp": "2023-10-21T11:56:18", "content": "Wow! Fascinating. I love the simple beauty of the mechanical era.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6692912", "author": "Ostracus", "time...
1,760,372,129.059437
https://hackaday.com/2023/10/20/finally-an-open-source-8088-bios/
Finally, An Open-Source 8088 BIOS
Lewin Day
[ "Retrocomputing" ]
[ "8088", "bios", "intel", "intel 8088" ]
https://hackaday.com/wp-…095576.jpg?w=800
The Intel 8088 is an interesting chip, being a variant of the more well-known 8086. Given the latter went on to lend its designation to one of the world’s favorite architectures, you can tell which of the two was higher status. Regardless, it was the 8088 that lived in the first IBM PC, and now, it even has its own ope...
7
5
[ { "comment_id": "6692891", "author": "slincolne", "timestamp": "2023-10-21T08:33:04", "content": "I think that calling it an 8088 BIOS is doing Sergey something of a disservice. There is code in the BIOS for nested PICs (not an 8088 feature) as well as keyboard controller with PS/2 mouse support.Mo...
1,760,372,129.005174
https://hackaday.com/2023/10/20/converting-a-polaroid-sx70-camera-to-use-600-film/
Converting A Polaroid SX70 Camera To Use 600 Film
Lewin Day
[ "classic hacks" ]
[ "analog photography", "camera", "instant camera", "instant photography", "polaroid", "polaroid camera" ]
https://hackaday.com/wp-…itled.jpeg?w=800
These days, it’s possible to buy a number of different Polaroid instant cameras new off the shelf. That’s largely thanks to the retro resurgence that has buoyed interest in everything from vinyl records to analog synthesizers. However, if you’re truly old-school, you might still be rocking a vintage Polaroid SX-70 came...
4
3
[ { "comment_id": "6692847", "author": "Keshlam", "timestamp": "2023-10-21T00:42:12", "content": "Interesting. I have an SX70 stashed away, which I got because it had a failure that caused it to immediately spit out the entire contents of the film pack rather than just the pack’s cover sheet. Never di...
1,760,372,129.105099
https://hackaday.com/2023/10/20/spinning-up-a-new-laundry-monitor/
Spinning Up A New Laundry Monitor
Kristina Panos
[ "classic hacks", "Lifehacks" ]
[ "Arduino-esp32", "ESP32", "laundry", "laundry monitor", "split-core transformer" ]
https://hackaday.com/wp-…r-800.jpeg?w=800
For all that modern washers and dryers do, they don’t let you know when they’re finished. Or they do, but it’s only a short victory song that plays once and can be easy to miss. What most of us need is a gentle reminder that there’s damp laundry festering in the washer, or fresh laundry in the dryer getting wrinkly. Th...
17
10
[ { "comment_id": "6692800", "author": "Gary Crowell", "timestamp": "2023-10-20T20:18:32", "content": "Uh, no. Besides the ‘short victory song’ my LG W/D (and others I’ve seen) gives me a notification on my phone when they finish or if they’ve incurred any problems. And when they need cleaning, And...
1,760,372,129.166871
https://hackaday.com/2023/10/20/2023-halloween-hackfest-haunted-keyboard-is-free-from-ghosting/
2023 Halloween Hackfest: Haunted Keyboard Is Free From Ghosting
Kristina Panos
[ "Holiday Hacks", "Raspberry Pi" ]
[ "2023 Halloween Hack Fest", "ChatGPT", "halloween", "haunted keyboard", "keyboard", "raspberry pi", "Raspberry Pi Pico W" ]
https://hackaday.com/wp-…eb-800.jpg?w=800
This may look like another DIY mechanical keyboard, but it’s hiding a secret. [Mx. Jack Nelson] has combined Halloween and keyboards in glorious, haunted fashion. Type a line, any line into this bad boy and you get a spooky, sort of cryptic response generated by AI. Essentially, a Raspberry Pi Pico W does all the work,...
1
1
[ { "comment_id": "6692921", "author": "Gayle", "timestamp": "2023-10-21T14:38:45", "content": "Very cool! 🎃👻", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,372,129.204764
https://hackaday.com/2023/10/20/nfts-and-tulipmania-a-little-bit-of-history-repeating/
NFTs And Tulipmania: A Little Bit Of History Repeating
Al Williams
[ "Business", "Featured", "History", "Rants" ]
[ "NFT", "tulipmania" ]
https://hackaday.com/wp-…aac0_k.jpg?w=800
We were not surprised to read that a company that tracks NFTs declared that most NFTs are now worthless . But the NFT — non-fungible token — market was huge, so around 23 million people invested in NFTs that are now worth nothing. Worse still, the company notes that because of oddities in how NFTs are priced, the real ...
123
18
[ { "comment_id": "6692760", "author": "Pete", "timestamp": "2023-10-20T17:19:32", "content": "It is easy to look back and think that it was obvious. After all, an NFT of the Mona Lisa isn’t really the Mona Lisa. Nor does owning it confer any real benefit other than “bragging rights” of owning an NFT ...
1,760,372,129.62244
https://hackaday.com/2023/10/20/hackaday-podcast-ep-241-circuit-bending-resistor-filing-the-butterfly-keyboard-and-the-badge-reveal/
Hackaday Podcast Ep 241: Circuit Bending, Resistor Filing, The Butterfly Keyboard, And The Badge Reveal
Tom Nardi
[ "Hackaday Columns", "Podcasts", "Slider" ]
[ "Hackaday Podcast" ]
https://hackaday.com/wp-…ophone.jpg?w=800
Hackaday Editors Elliot Williams and Tom Nardi meet up virtually to talk about the week’s top stories and hacks, such as the fine art of resistor trimming and lessons learned from doing overseas injection molding. They’ll go over circuit bending, self-driving cars, and a solar camera that started as a pandemic project ...
5
4
[ { "comment_id": "6692751", "author": "Elliot Williams", "timestamp": "2023-10-20T16:18:08", "content": "Podcast got pushed out late this week, folks. It could take a half hour to show up at your aggregator of choice.Of course, it’s here now, embedded and downloadable!", "parent_id": null, "...
1,760,372,129.455566
https://hackaday.com/2023/10/20/an-explosive-look-at-detonators/
An Explosive Look At Detonators
Al Williams
[ "Teardown" ]
[ "blasting machine", "detonator" ]
https://hackaday.com/wp-…/blast.png?w=800
If you’ve ever watched a cartoon where something blows up, you’ve probably seen a detonator — the device with a plunger that, when you push it, some dynamite blows up a bridge or a building or whatever. Detonators may be common in cartoons, but they are very real, and [Our Own Device] talks about some vintage detonator...
17
9
[ { "comment_id": "6692753", "author": "TG", "timestamp": "2023-10-20T16:26:45", "content": "Do modern detonators still use the fun push-down T-shaped handle? If not then what is the point", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6692763", "autho...
1,760,372,129.722602
https://hackaday.com/2023/10/20/this-week-in-security-browser-exploits-play-protect-and-turn-on-your-firewall/
This Week In Security: Browser Exploits, Play Protect, And Turn ON Your Firewall!
Jonathan Bennett
[ "Hackaday Columns", "Security Hacks", "Slider" ]
[ "android", "cisco", "CVE", "ios", "pytorch" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
Google Chrome has done a lot of work on JavaScript performance, pushing the V8 engine to more and more impressive feats. Recently, that optimization has one more piece, the Maglev compiler, which sits between Sparkplug and TurboFan, as a mid-tier optimization step. With a Just In Time (JIT) system, the time saving of c...
5
3
[ { "comment_id": "6692796", "author": "Mark", "timestamp": "2023-10-20T20:03:03", "content": "The Safari exploit seems really familiar. I think I saw this in a HaD post earlier:https://www.youtube.com/watch?v=hDek2cp0dmI", "parent_id": null, "depth": 1, "replies": [] }, { "comment...
1,760,372,129.666971
https://hackaday.com/2023/10/20/debugging-a-1950s-computer-sounds-like-a-pain/
Debugging A 1950s Computer Sounds Like A Pain
Richard Baguley
[ "Retrocomputing" ]
[ "computer history", "light gun", "mit" ]
https://hackaday.com/wp-…lwind2.jpg?w=600
Debugging computers in the 1950s sounds like it wasn’t an easy task. That’s one of the interesting facts from this fascinating talk by [Guy Fedorkow] about the Whirlwind, one of the first digital computers ever built . The development of this remarkable computer started at MIT (Funded by the US Navy) in 1949 as a fligh...
24
13
[ { "comment_id": "6692699", "author": "Joshua", "timestamp": "2023-10-20T11:41:49", "content": "Impressive. Reading this I realize there was something positive about the cold war era, also, I think. People were worried about an uncertain future, worried about a n*clear war and tried to enjoy their pr...
1,760,372,129.845906
https://hackaday.com/2023/10/20/commodore-datassette-does-barbershop-quartet/
Commodore Datassette Does Barbershop Quartet
Kristina Panos
[ "Musical Hacks", "Retrocomputing" ]
[ "barbershop", "Commodore Datassette", "Datassette", "rubber band", "servo" ]
https://hackaday.com/wp-…es-800.jpg?w=800
Okay, now this is just plain fun. [Linus Åkesson] modified a Commodore Datassette player to move its “mouth” and, when quadrupled, sing a clever barbershop tune called “ Sweet End of Line ” that’s a play on “ Sweet Adeline “, a top hit from the summer of 1903 . What? Let us explain. Those with Commodore 64s who lacked ...
3
2
[ { "comment_id": "6692679", "author": "Kanton Anton", "timestamp": "2023-10-20T09:06:15", "content": "Finally i’ve Seen one of These Datasettes. First i’ve Heard of them in the Comedy Programm of Kaya Yanar a German Comedian with Migration Background now living in Switzerland.", "parent_id": null...
1,760,372,129.772261
https://hackaday.com/2023/10/19/you-can-now-order-a-brand-new-amiga-pcb/
You Can Now Order A Brand-New Amiga PCB
Lewin Day
[ "Retrocomputing" ]
[ "amiga", "Amiga 500", "amiga 500 plus" ]
https://hackaday.com/wp-…783265.png?w=800
The Commodore 64 has been pulled apart, reverse engineered, replicated, and improved upon to no end over the last four decades or so. The Amiga 500 has had less attention, in part due to its greater level of sophistication. However, you can now order a brand-new Amiga-compatible PCB if you’re looking to put together a ...
30
7
[ { "comment_id": "6692608", "author": "Joe Tom Collins", "timestamp": "2023-10-20T05:14:40", "content": "“You Can Now Order A Brand-New Amiga PCB”Uhmm…. NO! YOU CAN’T!!!!This has been “Out of Stock” for months, to a year now!!!!Here’s some “news”. “Commodore goes bankrupt.”I’ have been waiting for wh...
1,760,372,130.084057
https://hackaday.com/2023/10/19/new-type-of-ferroelectric-memory-constructed-using-%ce%b1-in2se3-material/
New Type Of Ferroelectric Memory Constructed Using α-In2Se3 Material
Maya Posch
[ "Science" ]
[ "FeFET", "FeRAM", "ferroelectric" ]
https://hackaday.com/wp-…sation.jpg?w=800
The ferroelectrical properties of materials have found a variety of uses over the years, including in semiconductor applications. Ferroelectric memory is among the most interesting and possibly world-changing as it could replace today’s fragile and (relatively) slow NAND Flash with something that’s more robust and scal...
4
2
[ { "comment_id": "6692598", "author": "Drone", "timestamp": "2023-10-20T04:10:09", "content": "We already have Ferroelectric RAM (FeRAM, F-RAM, or FRAM) which is a different technology.[1] F-RAM density is on par with conventional DRAM. Unlike DRAM, F-RAM only consumes power during read/write cycles....
1,760,372,129.894166
https://hackaday.com/2023/10/19/humble-arduino-as-plc/
Humble Arduino As PLC
Bryan Cockfield
[ "Arduino Hacks" ]
[ "arduino", "IEC", "IEC 61131-3", "industrial", "ladder logic", "plc", "programmable logic controller", "programming" ]
https://hackaday.com/wp-…atured.jpg?w=800
On the surface, a programmable logic controller (PLC) might seem like nothing more than a generic microcontroller, perhaps outfitted to operate in industrial settings with things like high temperatures or harsh vibrations. While this is true to some extent, PLCs also have an international standard for their architectur...
35
14
[ { "comment_id": "6692563", "author": "Cyna", "timestamp": "2023-10-19T23:02:42", "content": "“While not every Arduino is a great platform”. So true since I cannot think of a single one.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6692576", "author...
1,760,372,129.970031
https://hackaday.com/2023/10/19/tank-boots-are-a-dangerous-way-to-get-around-town/
Tank Boots Are A Dangerous Way To Get Around Town
Lewin Day
[ "Transportation Hacks" ]
[ "boots", "rollerblades", "tank", "tank treads" ]
https://hackaday.com/wp-…shot-1.png?w=800
Rollerskates are all well and good, but they’re even more fun when they’re powered. Then again, why stick with wheels, when you can have the off-road benefits of tracked propulsion? That’s precisely what [Joel] was thinking when he built this impressive set of Tank Boots. The build uses a set of tracks from a tracked s...
12
12
[ { "comment_id": "6692541", "author": "jbx", "timestamp": "2023-10-19T20:35:31", "content": "I find “infinite free energy” videos on YT more funny…", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6692544", "author": "tripodboy", "timestamp": "2023-10-19T...
1,760,372,130.016903