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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2021/10/16/where-you-are-influences-what-you-invent/ | Where You Are Influences What You Invent | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"creativity",
"ideas",
"invention"
] | [Timon] just
bought a new PCB holder setup
for his desk. It’s one of those spring-loaded jobbies that uses strong magnets to hold it up off of a work surface, and is made of metal so that you can reflow solder with it. It might be a clone of the
PCBite
, but frankly I’ve seen similar projects everywhere — it’s hard to ... | 21 | 8 | [
{
"comment_id": "6391082",
"author": "Stephen",
"timestamp": "2021-10-16T14:46:23",
"content": "“one of those jobbies” – as a Scot the word “jobbies” has a different meaning to me.https://www.urbandictionary.com/define.php?term=Jobbie",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,917.895172 | ||
https://hackaday.com/2021/10/16/unique-seven-segment-display-relies-on-fr-4-fluorescence/ | Unique Seven-Segment Display Relies On FR-4 Fluorescence | Dan Maloney | [
"Misc Hacks"
] | [
"black light",
"FR-4",
"led",
"pcb",
"resin",
"uv"
] | It’s interesting what you see when you train a black light on everyday objects. We strongly suggest not doing this in a hotel room, but if you shine UV light on, say, a printed circuit board, you might see what [Sam Ettinger] did, which led him to build
these cool low-profile seven-segment fluorescent PCB displays
.
As... | 11 | 7 | [
{
"comment_id": "6391057",
"author": "Gravis",
"timestamp": "2021-10-16T12:29:57",
"content": "Well this certainly creates some interesting possibilities for making low-cost displays. I would be really interested to see how this works out when used on some of those high-end PCBs that can embed smal... | 1,760,372,917.698041 | ||
https://hackaday.com/2021/10/16/the-pi-400-as-a-pc-peripheral/ | The Pi 400 As A PC Peripheral | Jenny List | [
"Raspberry Pi"
] | [
"keyboard",
"raspberry pi",
"raspberry pi 400",
"usb"
] | The Raspberry Pi 400 all-in-one computer is a neat little unit that is powerful enough to take on most humdrum computing tasks while doing an excellent job of freeing up valuable desktop space. But what about those moments when both the Pi and a PC are needed on the same desktop? How can the Pi and the bulky PC keyboar... | 15 | 8 | [
{
"comment_id": "6391023",
"author": "OG",
"timestamp": "2021-10-16T08:08:48",
"content": "It’s a cool product except for one glaring blunder: the micro-HDMI ports. WTF.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6391192",
"author": "Mojoe",
... | 1,760,372,917.788581 | ||
https://hackaday.com/2021/10/15/learn-dmx512-basics/ | Learn DMX512 Basics | Al Williams | [
"LED Hacks",
"Network Hacks"
] | [
"differential signaling",
"dmx",
"dmx512",
"rs485"
] | If you’ve done anything with modern lighting effects, you’ve probably heard of DMX, also known as
DMX512
. Ever wonder what’s really happening under the hood? If so, then you should have a look at [EEForEveryone’s] video on the topic, which you can see below.
At the core, the DMX512 uses RS485, but adds software layers... | 11 | 5 | [
{
"comment_id": "6390987",
"author": "Ruud",
"timestamp": "2021-10-16T05:53:58",
"content": "The part that continues to confuse me when using rs485, modbus rtu or dmx… Is the gnd signal drawn in the differential signal drawing needed or not?All of these uses of rs485 are typically used for long mu... | 1,760,372,917.941326 | ||
https://hackaday.com/2021/10/15/better-history-through-x-rays/ | Better History Through X-Rays | Al Williams | [
"News",
"Science"
] | [
"history",
"ink",
"x-ray",
"x-ray spectroscopy",
"xray",
"xray spectroscopy"
] | Even if you aren’t a giant history buff, you probably know that the French royal family had some difficulties in the late 1700s. The end of the story saw the King beheaded and, a bit later, his wife the famous Marie Antoinette suffered the same fate. Marie wrote many letters to her confidant, and probable lover, Swedis... | 7 | 4 | [
{
"comment_id": "6390974",
"author": "Mmmdee",
"timestamp": "2021-10-16T03:58:27",
"content": "True then, as it is today, nothing is ever truly deleted. The moral of the story being if you don’t want something discovered, never commit it to physical media such as paper or hard drive.",
"parent_i... | 1,760,372,917.73616 | ||
https://hackaday.com/2021/10/15/oak-d-depth-sensing-ai-camera-gets-smaller-and-lighter/ | OAK-D Depth Sensing AI Camera Gets Smaller And Lighter | Donald Papp | [
"Crowd Funding",
"digital cameras hacks"
] | [
"ai camera",
"depth camera",
"movidius",
"myriad x",
"OAK-D",
"opencv",
"raspberry pi",
"smart camera",
"Stereo Vision"
] | The OAK-D is an open-source, full-color depth sensing camera with embedded AI capabilities, and there is now
a crowdfunding campaign for a newer, lighter version called the OAK-D Lite
. The new model does everything the previous one could do, combining machine vision with stereo depth sensing and an ability to run high... | 9 | 6 | [
{
"comment_id": "6390932",
"author": "Brandon Gilles",
"timestamp": "2021-10-15T23:09:18",
"content": "Thanks a ton for covering us!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6391007",
"author": "John Smith",
"timestamp": "2021-10-16T06:43:53",
... | 1,760,372,917.834359 | ||
https://hackaday.com/2021/10/15/why-wait-for-apple-upgrade-your-iphone-with-usb-c-today/ | Why Wait For Apple? Upgrade Your IPhone With USB-C Today! | Jenny List | [
"Cellphone Hacks",
"News"
] | [
"apple",
"iphone",
"lightning",
"USB C"
] | Apple iPhones ship with the company’s Lightning cable, a capable and robust connector, but one that’s not cheap and is only useful for the company’s products. When the competition had only micro-USB it might have made sense, but now that basically all new non-fruity phones ship with USB-C, that’s probably the right way... | 22 | 7 | [
{
"comment_id": "6390724",
"author": "CRImier",
"timestamp": "2021-10-15T11:11:18",
"content": "Nice! The only omission is not linking the Strange Parts original headphone jack hack in the footer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6390739",
"a... | 1,760,372,917.994132 | ||
https://hackaday.com/2021/10/15/fpga-boards-add-vga-and-hmdi-interfaces-to-the-original-game-boy/ | FPGA Boards Add VGA And HDMI Interfaces To The Original Game Boy | Robin Kearey | [
"Nintendo Game Boy Hacks"
] | [
"brick game boy",
"fpga",
"game boy",
"hdmi"
] | The classic Game Boy remains a firm favorite in the realm of retrocomputing. Revolutionary as it was at the time, by today’s standards its display is rather primitive, with no backlight and a usable area measuring only 47 mm x 44 mm. [Martoni] figured out a way to solve this, by developing
GbVGA
and
GbHdmi
, two projec... | 12 | 5 | [
{
"comment_id": "6390691",
"author": "erik",
"timestamp": "2021-10-15T09:06:14",
"content": "not sure if i would call the gameboy revolutionary if you compare it to the atari lynx, gamegear and turbografx-16 also released at that time. if you mean the sales, yes definitely.",
"parent_id": null,
... | 1,760,372,918.049275 | ||
https://hackaday.com/2021/10/14/hack-your-sodastream-with-a-giant-co2-canister/ | Hack Your Sodastream With A Giant CO2 Canister | Lewin Day | [
"Misc Hacks"
] | [
"co2",
"ESP8266",
"sodastream"
] | Sodastream machines are popular amongst people who like to make their own seltzer water at home. However, replenishing the tiny gas canisters is expensive and wasteful. [Becky] decided to upgrade her machine to avoid this problem,
and added some smarts while she was at it.
The simple part of the hack is using an adapte... | 110 | 29 | [
{
"comment_id": "6390640",
"author": "Alexander Clarke",
"timestamp": "2021-10-15T05:17:47",
"content": "Please, please, please don’t store a CO2 cylinder in your house, no matter how much you trust your alarm.The toxicity profile is very different to carbon monoxide, but an undetected leak overnigh... | 1,760,372,918.229739 | ||
https://hackaday.com/2021/10/14/risc-v-in-typescript/ | RISC-V In… Typescript? | Al Williams | [
"FPGA"
] | [
"fpga",
"RISC-V",
"typescript",
"verilog"
] | We are accustomed to seeing RISC-V implementations in Verilog or VHDL, but [Low Level JavaScript]
has one in TypeScript
. Before you dismiss it as a mere emulator, know that the project relies on
gateware-ts
, a conversion between TypeScript and Verilog. From there, you can actually put the CPU on an FPGA. You can see ... | 8 | 5 | [
{
"comment_id": "6390645",
"author": "therogerv",
"timestamp": "2021-10-15T05:30:29",
"content": "have programmed in lots of different programming languages over the years (as in used them in commercial setting) and I don’t think there’s anything about Verilog that’s so scary that it warrants runnin... | 1,760,372,918.094427 | ||
https://hackaday.com/2021/10/14/printed-piano-mechanism-sure-is-grand/ | Printed Piano Mechanism Sure Is Grand | Kristina Panos | [
"Misc Hacks"
] | [
"Grand Piano",
"hammer",
"piano",
"wippen"
] | Do you know how a piano works? Sure, you press a key and a hammer strikes a string, but what are the finer points of this operation? The intricacy of the ingenious mechanism is laid bare in [Mechanistic]’s
3D-printed scale model of a small section of the grand piano keyboard
. The ‘grand’ distinction here is piano leng... | 9 | 7 | [
{
"comment_id": "6390605",
"author": "CityZen",
"timestamp": "2021-10-15T00:21:36",
"content": "That gets you most of the way here:https://www.youtube.com/watch?v=X-pGytcPQ08",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6390617",
"author": "Tom",
"ti... | 1,760,372,918.347565 | ||
https://hackaday.com/2021/10/14/valve-reluctantly-shows-how-to-mod-the-steam-deck/ | Valve Reluctantly Shows How To Mod The Steam Deck | Tom Nardi | [
"Games",
"Teardown"
] | [
"disassembly",
"repair",
"steam",
"steam deck",
"teardown",
"valve"
] | As the narrator in this official instructional video from Valve
reminds the viewer several times, the gaming company would
really
rather you not open up your brand new Steam Deck and start poking around. They can’t guarantee that their software will function should you start changing the hardware, and since there’s no ... | 35 | 15 | [
{
"comment_id": "6390556",
"author": "Richard",
"timestamp": "2021-10-14T20:23:57",
"content": "Agreed! This is very heavy handed. I feel personally oppressed by their suggestion that this is a bad idea. (/s… does anybody actually that warnings on stuff like that are anything more than a formality a... | 1,760,372,918.30287 | ||
https://hackaday.com/2021/10/14/these-first-remoticon-speakers-are-just-a-taste-of-whats-to-come/ | These First Remoticon Speakers Are Just A Taste Of What’s To Come | Tom Nardi | [
"cons"
] | [
"2021 Hackaday Remoticon",
"presenters",
"Remoticon",
"talks"
] | With the 2021 Hackaday Remoticon fast approaching, we’ve been hard at work crafting a schedule filled with thought-provoking presentations from knowledgeable speakers; precisely what you’ve come to expect from one of our events, virtual or otherwise. We’ve already announced that Laser Interferometer Gravitational-Wave ... | 1 | 1 | [
{
"comment_id": "6390566",
"author": "Ren",
"timestamp": "2021-10-14T21:03:15",
"content": "I for one, am greatful that Venn included a diagram with his work!B^)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,919.144519 | ||
https://hackaday.com/2021/10/14/thingiverse-data-leaked-check-your-passwords/ | Thingiverse Data Leaked — Check Your Passwords | Jenny List | [
"News",
"Security Hacks"
] | [
"bcrypt",
"data breach",
"makerbot",
"sha-1",
"thingiverse"
] | Every week seems to bring another set of high-profile data leaks, and this time it’s the turn of a service that should be of concern to many in our community.
A database backup from the popular 3D model sharing website Thingiverse has leaked online
, containing 228,000 email addresses, full names, addresses, and passwo... | 40 | 12 | [
{
"comment_id": "6390511",
"author": "Naviathan",
"timestamp": "2021-10-14T18:24:42",
"content": "Given the difficulty in getting anything fixed on that site, it’s really not surprising that they’ve had a breach. I think the more surprising part is that it hasn’t happened sooner.",
"parent_id": ... | 1,760,372,918.998022 | ||
https://hackaday.com/2021/10/14/hacking-an-ikea-lampshade-into-a-stunning-dichroic-lamp/ | Hacking An IKEA Lampshade Into A Stunning Dichroic Lamp | Lewin Day | [
"Misc Hacks"
] | [] | Often, when we see a colorful lamp project, it’s something that makes use of RGB LEDs and all manner of lovely animations and fading effects.
This project from [Raymond Power]
features beautiful shifting colors, but foregos fancy LEDs for the magic of dichroic film.
Dichroic films work with thin-film interference, with... | 6 | 4 | [
{
"comment_id": "6390508",
"author": "Make",
"timestamp": "2021-10-14T18:17:42",
"content": "Shut up and take my money!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6390513",
"author": "CRJEEA",
"timestamp": "2021-10-14T18:30:01",
"content": "Any... | 1,760,372,918.775725 | ||
https://hackaday.com/2021/10/14/basics-of-remote-cellular-access-watchdogs/ | Basics Of Remote Cellular Access: Watchdogs | Lewin Day | [
"Hackaday Columns",
"Original Art",
"Skills",
"Slider",
"Software Hacks"
] | [
"basics of remote cellular access",
"cellular access",
"watchdog",
"watchdog timer"
] | When talking about remote machines, sometimes we mean
really
remote, beyond the realms of wired networks that can deliver the Internet. In these cases, remote cellular access is often the way to go. Thus far, we’ve explored the
hardware
and
software
sides required to control a machine remotely over a cellular connectio... | 21 | 10 | [
{
"comment_id": "6390494",
"author": "targetdrone",
"timestamp": "2021-10-14T17:23:16",
"content": "Good information, thanks!But I feel compelled to note that implementing a watchdog isn’t a hack — it’s engineering!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,919.058879 | ||
https://hackaday.com/2021/10/14/art-project-fast-and-fouriously-transforms-audio-into-eye-candy/ | Art Project Fast And Fouriously Transforms Audio Into Eye Candy | Ryan Flowers | [
"Art"
] | [
"ESP32",
"fast fourier transform",
"fft",
"led",
"rgb",
"RGB LED matrix",
"spectrum",
"ws2812"
] | Fast Fourier Transforms. Spectrum Analyzers. Waterfall displays. Not long ago, such terms were reserved for high end test gear. But oh, how things have changed! It’s no surprise to many Hackaday readers that modern microcontrollers have transformed the scene as they become more powerful and as a result are endowed with... | 2 | 2 | [
{
"comment_id": "6390479",
"author": "Paul",
"timestamp": "2021-10-14T16:21:03",
"content": "It needs 2 or 3 more buttons and a Tetris easter egg…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6390538",
"author": "Foxhood",
"timestamp": "2021-10-14T19... | 1,760,372,918.737733 | ||
https://hackaday.com/2021/10/14/the-compute-module-comes-of-age-say-hello-to-the-real-cutting-edge-of-raspberry-pi/ | The Compute Module Comes Of Age: Say Hello To The Real Cutting Edge Of Raspberry Pi | Jenny List | [
"Hackaday Columns",
"Raspberry Pi"
] | [
"cm4",
"compute module 4",
"Pi 4",
"raspberry pi"
] | If we wanted to point to an epoch-making moment for our community, we’d take you back to February 29th, 2012. It was that day on which a small outfit in Cambridge put on the market the first batch of their new product. That outfit was what would become the Raspberry Pi Foundation, and the product was a run of 10,000 Ch... | 66 | 15 | [
{
"comment_id": "6390438",
"author": "Ken",
"timestamp": "2021-10-14T14:10:29",
"content": "“This is something that finally turns Pi-based NAS boxes into something that can compete with more conventional devices, as while the USB3 on the Pi 3 offers the speed it doesn’t so much offer the flexibility... | 1,760,372,919.246728 | ||
https://hackaday.com/2021/10/14/3d-printing-toothpaste-in-the-name-of-science/ | 3D Printing Toothpaste In The Name Of Science | Tom Nardi | [
"3d Printer hacks",
"Medical Hacks"
] | [
"bioprinter",
"extrusion",
"paste extruder",
"toothpaste"
] | While we don’t often see them in the hobbyist community, 3D printers that can extrude gels and viscous liquids have existed commercially for years, and are increasingly used for biological research.
[Ahron Wayne] has recently been working with such a printer
as part of a project to develop a printed wound dressing made... | 4 | 2 | [
{
"comment_id": "6390427",
"author": "gluestick",
"timestamp": "2021-10-14T13:05:51",
"content": "Inventing the wheel again? “robots” for applying viscous materials like adhesives to objects have been on the market for decades. I even used one myself, long long ago. Extruding/applying different thic... | 1,760,372,919.101634 | ||
https://hackaday.com/2021/10/14/a-deep-dive-into-the-sound-of-an-apple-ii/ | A Deep Dive Into The Sound Of An Apple II | Jenny List | [
"Retrocomputing"
] | [
"Apple 2",
"audio",
"AY-3-8910",
"mockingboard"
] | A major part of the retrocomputing scene for many of us lies in the world of chiptunes, music created either using original retrocomputing hardware or in the style of those early synthesiser chips. There’s one machine we don’t hear much about among all this though, and that’s the Apple II. Though probably one of the mo... | 21 | 5 | [
{
"comment_id": "6390416",
"author": "vince",
"timestamp": "2021-10-14T12:09:39",
"content": "while a nice article, I wouldn’t necessarily call this a “deep dive” into Apple II sound (I say this as someone who has spent the last few years doing extensive Apple II sound programming for game demakes a... | 1,760,372,918.831245 | ||
https://hackaday.com/2021/10/13/spilled-oj-does-a-number-on-zelda-game-boy-cartridge/ | Spilled OJ Does A Number OnZeldaGame Boy Cartridge | Tom Nardi | [
"classic hacks",
"Nintendo Game Boy Hacks"
] | [
"corrosion",
"game boy color",
"Legend of Zelda",
"PCB repair",
"repairing traces"
] | When
[Taylor Burley] first opened up the cartridge for
The Legend of Zelda: Oracle of Seasons
, it certainly didn’t
look
like it had been dunked in corrosive orange juice. But looks can be deceiving, and while the game’s owner certainly did an admirable job of cleaning up the surface of the PCB, the cartridge was no lo... | 16 | 7 | [
{
"comment_id": "6390370",
"author": "Derek Tombrello",
"timestamp": "2021-10-14T06:11:18",
"content": "ummm… what video below?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6390413",
"author": "Elliot Williams",
"timestamp": "2021-10-14T11:... | 1,760,372,919.373038 | ||
https://hackaday.com/2021/10/13/solar-power-goes-back-to-1910-tech/ | Solar Power Goes Back To 1910 Tech | Al Williams | [
"Solar Hacks"
] | [
"history",
"solar cell",
"solar panel"
] | If you want to read about a low-tech approach to solar cells invented — and forgotten — 40 years before Bell Labs announced the first practical silicon solar cell, we can’t promise the website,
Low Tech Magazine
, will be available. Apparently the webserver it is on is solar-powered, and a disclaimer mentions that it s... | 41 | 15 | [
{
"comment_id": "6390353",
"author": "charlie merritt",
"timestamp": "2021-10-14T02:48:00",
"content": "Interesting. I wonder about the cost, even at 5-10% efficiency it might work on cheap land or to make parking lot shade.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,919.317527 | ||
https://hackaday.com/2021/10/13/solder-paste-stencilling-that-doesnt-suck/ | Solder Paste Stencilling That Doesn’t Suck | Dave Rowntree | [
"hardware"
] | [
"3d printed",
"alignment",
"pcb",
"solder stencils"
] | Working with solder paste stencils can be a real faff, they rarely sit flat and move around when you so much as breath on them. [Unexpected Maker] airs his frustrations, and comes up with a simple solution, he simply
makes a 3D-printed jig to align the PCB panel and applies his shop vacuum cleaner
and hey presto!
If yo... | 7 | 5 | [
{
"comment_id": "6390334",
"author": "Daniel Beaven",
"timestamp": "2021-10-13T23:56:32",
"content": "Love it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6390389",
"author": "Viktor",
"timestamp": "2021-10-14T08:29:08",
"content": "Cannot be au... | 1,760,372,919.418182 | ||
https://hackaday.com/2021/10/13/tiny-tv-tells-the-temperature-tale/ | Tiny TV Tells The Temperature Tale | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"console TV",
"ESP32",
"lcd",
"openweathermap",
"test pattern",
"weather"
] | Once upon a time, we would run home from the bus stop to watch Gargoyles and Brady Bunch reruns on the family TV, a late-1970s console Magnavox number that sat on the floor and was about 50% more cabinet than CRT. The old TV, a streamlined white Zenith at least ten years older, had been relegated to the man cave in the... | 3 | 2 | [
{
"comment_id": "6390291",
"author": "Bruce Perens K6BP",
"timestamp": "2021-10-13T20:17:53",
"content": "There used to be something like this for sale, called a Chumby. It wasn’t a success, though they are still available and still have a running subscription service.",
"parent_id": null,
... | 1,760,372,919.459822 | ||
https://hackaday.com/2021/10/13/g10-is-the-3d-print-surface-you-crave/ | G10 Is The 3D Print Surface You Crave | Danie Conradie | [
"3d Printer hacks"
] | [
"3d printing surface",
"FDM",
"G10",
"maker's muse"
] | Print surfaces have been a major part of 3D printer development and experimentation since the beginning. [Makers Muse] has been experimenting with G10, a cheap high-pressure fiberglass laminate, and found that it’s an excellent candidate for most of your FDM printing needs. (Video embedded after the break.)
You’re prob... | 49 | 17 | [
{
"comment_id": "6390275",
"author": "DougM",
"timestamp": "2021-10-13T19:00:30",
"content": "Has anyone played around with mounting it to the MK3S’s magnets?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6390284",
"author": "bob",
"timestam... | 1,760,372,919.613132 | ||
https://hackaday.com/2021/10/13/space-age-road-rage-right-of-way-above-the-karman-line/ | Space Age Road Rage: Right Of Way Above The Karman Line | Ryan Flowers | [
"Current Events",
"Featured",
"Interest",
"Slider",
"Space"
] | [
"dead satellites",
"debris",
"launch",
"orbit",
"orbital debris",
"orbital mechanics",
"satellite",
"Satellites",
"space junk"
] | On a dark night in 2006 I was bicycle commuting to my office, oblivious to the countless man made objects orbiting in the sky above me at thousands of miles per hour. My attention was instead focused on a northbound car speeding through a freeway underpass at dozens of miles per hour, oblivious to my southbound headlam... | 35 | 10 | [
{
"comment_id": "6390265",
"author": "sobiguy",
"timestamp": "2021-10-13T17:23:45",
"content": "“I was bicycle commuting to my office”How does one become a bicycle? You’re a wizard Harry!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6390272",
"auth... | 1,760,372,919.685848 | ||
https://hackaday.com/2021/10/13/doom-played-by-tweet/ | DOOM Played By Tweet | Bryan Cockfield | [
"Games"
] | [
"cloud",
"doom",
"port",
"reply",
"software",
"tweet",
"twitter"
] | Getting DOOM to run on hardware it was never intended to run on is a tradition as old as time. Old cell phones, embedded systems, and ancient televisions have all been converted to play this classic first-person shooter. This style of playing games on old hardware might be passé now as the new trend seems to be the abi... | 5 | 2 | [
{
"comment_id": "6390280",
"author": "Gravis",
"timestamp": "2021-10-13T19:20:53",
"content": "File this one under “wasting bandwidth and storage capacity for the lulz”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6390287",
"author": "Ell",
... | 1,760,372,919.724383 | ||
https://hackaday.com/2021/10/12/the-beauty-of-dance-seen-through-the-power-of-touch/ | The Beauty Of Dance, Seen Through The Power Of Touch | Kristina Panos | [
"The Hackaday Prize"
] | [
"2021 Hackaday Prize"
] | It’s nothing short of amazing what trained dancers can do with their bodies, and a real shame that visually-impaired people can’t enjoy the experience of, say, ballet. For this year’s Hackaday Prize,
[Shi Yun] is working on a way for visually-impaired people to experience dance performances via haptic feedback on a spe... | 3 | 1 | [
{
"comment_id": "6390101",
"author": "David H",
"timestamp": "2021-10-12T23:19:23",
"content": "It’s a beautiful idea, but I am skeptical that the nuance of dance can be compressed into 32 bits in a way that makes for a meaningful experience. Small but significant differences would be obscured by th... | 1,760,372,920.010364 | ||
https://hackaday.com/2021/10/12/showdown-time-for-non-standard-chargers-in-europe/ | Showdown Time For Non-Standard Chargers In Europe | Jenny List | [
"Cellphone Hacks",
"Hackaday Columns",
"Phone Hacks",
"Slider"
] | [
"Apple Lightning",
"eu",
"phone charger",
"USB C"
] | It seems that few features of a consumer electronic product will generate as much rancour as a mobile phone charger socket. For those of us with Android phones, the world has slowly been moving over the last few years from micro-USB to USB-C, while iPhone users regard their Lightning connector as the ultimate in connec... | 115 | 34 | [
{
"comment_id": "6389968",
"author": "Ren",
"timestamp": "2021-10-12T17:29:05",
"content": "Fiber port, let the laser charge and transfer the data.B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6390142",
"author": "Ostracus",
"timestamp":... | 1,760,372,920.532273 | ||
https://hackaday.com/2021/10/12/ultrasonic-array-powers-this-halloween-spirit-writer/ | Ultrasonic Array Powers This Halloween Spirit Writer | Dan Maloney | [
"Holiday Hacks"
] | [
"halloween",
"phase",
"phased array",
"transducer",
"ultrasonic"
] | The spooky season is upon us, and with it the race to come up with the geekiest way to scare the kids. Motion-activated jump-scare setups are always a crowd-pleaser, but kind of a cheap thrill in our opinion. So if you’re looking for something different for your Halloween scare-floor, you might consider
“spirit writing... | 16 | 7 | [
{
"comment_id": "6389951",
"author": "Timo",
"timestamp": "2021-10-12T16:15:47",
"content": "About 800 years ago in Spain one would have been thoroughly roasted for showing off this little trick! Pretty amazing what people can do with a little bit of science! Love it :)",
"parent_id": null,
... | 1,760,372,920.228465 | ||
https://hackaday.com/2021/10/12/a-tritium-story-how-afraid-should-you-be-of-hydrogens-big-brother/ | A Tritium Story: How Afraid Should You Be Of Hydrogen’s Big Brother? | Maya Posch | [
"Current Events",
"Featured",
"Interest",
"Science",
"Slider"
] | [
"Tritium"
] | Despite being present in everything that contains water, tritium is not an isotope that many people were that familiar with outside of select (geeky) channels, such as DEF CON with a
tritium-containing badge
, the always excellent NurdRage’s assembly of a
tritium-based atomic battery
, or the creation of a tritium-phos... | 30 | 11 | [
{
"comment_id": "6389924",
"author": "Pat",
"timestamp": "2021-10-12T14:26:50",
"content": "“All of this will also be important with future nuclear fusion reactors, which will generally use a deuterium-tritium (D-T) fuel mixture”“Critical” is more like it. Fusion reactors will generate their own tri... | 1,760,372,919.970139 | ||
https://hackaday.com/2021/10/12/ford-maverick-welcomes-diy-spirit/ | Ford Maverick Welcomes DIY Spirit | Roger Cheng | [
"car hacks"
] | [
"car",
"car mod",
"diy",
"diy bike rack",
"ford",
"Ford Motor Company",
"pickup truck"
] | We’ve featured a lot of car hacks on these pages, most would void the warranty and none of it with explicit factory support. Against that background, Ford’s upcoming Maverick is unique: a major manufacturer has invited owners to unleash their do-it-yourself spirit. It is one of several aspects that led [Jason Torchinsk... | 43 | 12 | [
{
"comment_id": "6389880",
"author": "Justin",
"timestamp": "2021-10-12T11:45:09",
"content": "The 2×4 slots are standard on lots of OEM bed liners, but the rest is nice",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464413",
"author": "Holt Rhineha... | 1,760,372,920.375606 | ||
https://hackaday.com/2021/10/12/bendable-colour-epaper-display-has-touch-input-too/ | Bendable Colour EPaper Display Has Touch Input Too | Dave Rowntree | [
"Wearable Hacks"
] | [
"3D printed case",
"eink",
"electrophoretic",
"epaper",
"resistive touch",
"wearable"
] | The Interactive Media Lab at Dresden Technical University has been busy working on ideas for user interfaces with wearable electronics, and presents a nice project, that any of us could reproduce, to create your very own
wearable colour epaper display device
. They even figured out a tidy way to add touch input as well... | 8 | 5 | [
{
"comment_id": "6389853",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2021-10-12T08:49:45",
"content": "Cool, lots of applications, nice to see, where can I buy a kit in Australia of different sizes & i2c controller/drivers ?Thanks for posting, keep up the good work :-)",
"... | 1,760,372,920.053527 | ||
https://hackaday.com/2021/10/11/sinclair-pocket-tv-teardown/ | Sinclair Pocket TV Teardown | Al Williams | [
"Teardown"
] | [
"cathode ray tube",
"crt",
"ftv1",
"pocket TV",
"sinclair",
"tv8"
] | A pocket-sized TV is not a big deal today. But in 1983, cramming a CRT into your pocket was quite a feat. Clive Sinclair’s TV80 or FTV1 did it with a very unique CRT and [Dubious Engineering] has
a teardown video
to show us how it was done.
A conventional CRT has an electron gun behind the screen which is why monitors ... | 27 | 9 | [
{
"comment_id": "6389824",
"author": "cyberteque",
"timestamp": "2021-10-12T05:32:20",
"content": "there were 2 models, the first version was bigger, about the size of a ST:TOS Tricorder, that one used a camcorder CRTSinclair also made a small oscilloscope in the same form factorthe battery life is ... | 1,760,372,920.292074 | ||
https://hackaday.com/2021/10/13/keebin-with-kristina-the-one-with-the-curved-typewriter/ | Keebin’ With Kristina: The One With The Curved Typewriter | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"cherry switches",
"Hammond typewriter",
"Rotring",
"Stack OverFlow",
"vendors"
] | Aerodox Flies on Wireless Wings
[Simon Merrett] didn’t know anything about keyboards when he started this project, but he didn’t let that stop him. [Simon] did what any of us would do — figure out what you like, learn enough to be dangerous, and then start fiddling around, taking all that inspiration and making
a mashu... | 7 | 3 | [
{
"comment_id": "6390363",
"author": "John",
"timestamp": "2021-10-14T04:28:08",
"content": "Re: Stack Overflow Macro Pad“It’s only $29”ONLY $29!? for 3 keys?? I can get over 100 keys for half that!only $29…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "639... | 1,760,372,920.582282 | ||
https://hackaday.com/2021/10/13/adding-wireless-charging-to-the-switch-lite/ | Adding Wireless Charging To The Switch Lite | Tom Nardi | [
"Nintendo Hacks"
] | [
"Nintendo Switch",
"QI",
"qi charger",
"retrofit",
"USB C",
"wireless charging",
"wireless charging hack"
] | The Nintendo Switch is a monstrously popular machine, and it’s had no difficulty raking in the bucks for the Japanese gaming giant, but there’s no denying that it’s technologically a bit behind the curve. Until the long-rumored “Pro” version of the Switch materializes, industrious gamers like [Robotanv] will simply hav... | 3 | 3 | [
{
"comment_id": "6390271",
"author": "LestatsMods",
"timestamp": "2021-10-13T18:39:06",
"content": "hey tom, i have a Qi usb c i have ripped open but i have only 3 points and looks to be pos is in the centre with a gourn on dise and cc the other but i cant tell which is which… any pointers?",
"p... | 1,760,372,920.621224 | ||
https://hackaday.com/2021/10/13/software-removes-the-facebook-from-facebooks-vr-headset-mostly/ | Software Removes The Facebook From Facebook’s VR Headset (Mostly) | Donald Papp | [
"Software Hacks",
"Virtual Reality"
] | [
"facebook",
"jailbreak",
"Oculus",
"root",
"vr"
] | It’s not a jailbreak, but [basti564]’s
Oculess
software nevertheless
allows one the option to remove telemetry and account dependencies
from Facebook’s Oculus Quest VR headsets. It is not normally possible to use these devices without a valid Facebook account (or a legacy Oculus account in the case of the original Ques... | 18 | 7 | [
{
"comment_id": "6390193",
"author": "Alex365",
"timestamp": "2021-10-13T09:24:18",
"content": "I was able to try a Quest once and it’s a great piece of hardware. Also with some really nice games on it, but being forced to interact with Facebook is a big no for me. Even though it’s hackable I don’t ... | 1,760,372,920.673412 | ||
https://hackaday.com/2021/10/12/vintage-radio-gets-internet-upgrade/ | Vintage Radio Gets Internet Upgrade | Donald Papp | [
"Radio Hacks"
] | [
"audio pirate",
"internet radio",
"radio",
"raspberry pi",
"vintage"
] | There’s nothing quite like vintage hardware, and the way it looks and works is something that can be worth celebrating. [Old Tech. New Spec] did that with his loving modification of a 1964 Dansette portable radio, bringing it into the modern era by giving it the ability to
play Internet radio stations while keeping all... | 14 | 10 | [
{
"comment_id": "6390192",
"author": "Alessandro",
"timestamp": "2021-10-13T09:23:32",
"content": "Something I never understand: why gutting a nice-looking vintage thing and “bringing it to the modern era”? If it’s good make us listen to it and keep it dear, but if it is not working, repair it and y... | 1,760,372,920.823227 | ||
https://hackaday.com/2021/10/12/ibm-cheese-cutter-restoration/ | IBM Cheese Cutter Restoration | Bryan Cockfield | [
"Tool Hacks"
] | [
"antique",
"cheese",
"ibm",
"machine",
"restoration",
"tool",
"vintage",
"weight",
"wheel"
] | For a while now, Mac Pro towers have had the nickname “cheese grater” because of their superficial resemblance to this kitchen appliance. Apple has only been a company since the 70s, though, and is much newer than one of its historic rivals, IBM. In fact, IBM is old enough to have made actual cheese-related computers a... | 31 | 21 | [
{
"comment_id": "6390129",
"author": "echodelta",
"timestamp": "2021-10-13T02:17:46",
"content": "The original cheese wiz! A cheese Pi computer. Mouse not included. It will make the Cheese It Team as a coach.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6390... | 1,760,372,921.030867 | ||
https://hackaday.com/2021/10/12/this-homemade-mass-spectrometer-works/ | This Homemade Mass Spectrometer Works | Al Williams | [
"Science"
] | [
"ions",
"mass spec",
"mass spectrometer",
"quadrupole",
"quadrupole mass filter"
] | Hats off to [Paul Brooking] as he shows off his homemade mass spectrometer in two recent videos you can see below. The first video
demonstrates
that the device works. The second video shows details about
how it was made
.
It’s not a good starter project, requiring quite a bit of sophisticated gear including two-stage v... | 9 | 4 | [
{
"comment_id": "6390115",
"author": "Chris Cox",
"timestamp": "2021-10-13T00:13:46",
"content": "Your “quite inexpensive” link is to a visible light spectrometer – which is VERY different from a mass spectrometer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,372,920.971491 | ||
https://hackaday.com/2021/10/12/3d-printed-adapter-puts-slides-in-their-best-light/ | 3D Printed Adapter Puts Slides In Their Best Light | Tom Nardi | [
"digital cameras hacks"
] | [
"dslr",
"photographic slide",
"slide scanner",
"slides"
] | If you’ve got old family photos on slides there’s an excellent chance you’ve considered digitizing them at one point or another, but perhaps didn’t know the best way of going about it. In that case, this
3D printed adapter designed by [Rostislav Persion]
that lets you photograph slides with a standard DSLR may be exact... | 10 | 6 | [
{
"comment_id": "6390048",
"author": "bob",
"timestamp": "2021-10-12T20:50:44",
"content": ">easily power through a stack of vintage family memories in no time<That's fine when the number of slides is limited. In previous life I ran a photography business and had a portfolio of some 20k slides, and ... | 1,760,372,920.870766 | ||
https://hackaday.com/2021/10/11/ibm-attempts-an-uncrewed-atlantic-crossing-again/ | IBM Attempts An Uncrewed Atlantic Crossing (Again) | Al Williams | [
"drone hacks",
"Transportation Hacks"
] | [] | IBM
and a non-profit company,
ProMare
, failed to send their 49-foot Mayflower autonomous ship across the Atlantic back in June. Now they are almost ready to try again. The Mayflower will recreate the path of its more famous namesake.
The total voyage is set to take a month, but the last attempt developed mechanical pr... | 23 | 9 | [
{
"comment_id": "6389815",
"author": "cyberteque",
"timestamp": "2021-10-12T03:12:15",
"content": "how big can these get before they need to be registered?when do they stop being modelsI know a guy that wants to tow a detection loop with an autonomous boat, I can’t not get any answers as to legal re... | 1,760,372,920.929432 | ||
https://hackaday.com/2021/10/11/the-m5stack-color-maker-can-mix-paint-to-match-your-subject/ | The M5Stack Color Maker Can Mix Paint To Match Your Subject | Robin Kearey | [
"Art",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"paint",
"watercolor"
] | We’ve all learned in primary school art classes that blue and yellow make green, and that adding a little black to a color will make it darker. But what if you want to paint with a color that exactly matches something else? Usually, that requires a lot of trial and error (and paint), and the end result may not look the... | 28 | 9 | [
{
"comment_id": "6389775",
"author": "Bill",
"timestamp": "2021-10-11T23:42:08",
"content": "I think they mean, “peristaltic pumps” don’t they? They have rollers that squeeze liquids through flexible tubes in a way similar to the action the intestines use to move food. “Peristalsis.” Cool project... | 1,760,372,921.404131 | ||
https://hackaday.com/2021/10/11/diy-anemometer-for-projects-big-and-small/ | DIY Anemometer For Projects Big And Small | Chris Wilkinson | [
"3d Printer hacks"
] | [
"anemometer",
"sensors",
"weather"
] | When [Fab] needed an anemometer for his latest project, he was stymied by the limited range and relatively high prices of commercial options. Undeterred, his solution was an
impressive DIY anemometer
that rivals the off-the-shelf alternatives.
AnemoSens was designed from the ground up as a component for the ambitious
W... | 6 | 2 | [
{
"comment_id": "6389854",
"author": "Viktor",
"timestamp": "2021-10-12T09:03:12",
"content": "It’s a 14bit absolute direction sensor, not much calibration needed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389885",
"author": "fho",
"tim... | 1,760,372,921.540599 | ||
https://hackaday.com/2021/10/11/resin-printing-hack-chat/ | Resin Printing Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"3d printing",
"Elegoo",
"Hack Chat",
"MSLA",
"photoploymerization",
"resin",
"sla",
"stereolithography"
] | Join us on Wednesday, October 13 at noon Pacific for the
Resin Printing Hack Chat
with Andrew Sink!
At its heart, 3D printing is such a simple idea that it’s a wonder nobody thought of it sooner. Granted, fused deposition modeling does go back to the 80s, and the relatively recent explosion in cheap, mass-market FDM pr... | 6 | 4 | [
{
"comment_id": "6389779",
"author": "Nub",
"timestamp": "2021-10-12T00:00:25",
"content": "Printers becoming widely available seems to have more to do with patents expiring than anything else. The patents for FDM printing expired first and quickly thereafter, the Reprap project started that industr... | 1,760,372,921.243118 | ||
https://hackaday.com/2021/10/11/cant-spill-coffee-on-your-keyboard-if-its-already-inside/ | Can’t Spill Coffee On Your Keyboard If It’s Already Inside | Kristina Panos | [
"Lifehacks",
"Peripherals Hacks"
] | [
"atmega32u4",
"Kailh chocs",
"keyboard",
"mechanical keyboard"
] | No matter where you live in the world or what beverage you enjoy, it’s too easy to spill it on the keyboard. Obviously, the solution is to combine the two. That’s exactly what Google Japan did this past April Fool’s Day when they released the Gboard —
a cylindrical keyboard wrapped around a removable cup
. But is it st... | 7 | 6 | [
{
"comment_id": "6389700",
"author": "Gilliam Vespa",
"timestamp": "2021-10-11T18:20:04",
"content": "but gboard already exists as the google android swype-able on screen keyboard… or am i getting the name dyslexically wrong?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,921.204762 | ||
https://hackaday.com/2021/10/11/automate-the-freight-autonomous-ships-look-for-their-niche/ | Automate The Freight: Autonomous Ships Look For Their Niche | Dan Maloney | [
"Transportation Hacks"
] | [
"Automate the Freight",
"autonomous",
"boat",
"cargo",
"container",
"in-shore",
"oceangoing",
"seamen",
"shipping"
] | It is by no means an overstatement to say that life as we know it would grind to a halt without cargo ships. If any doubt remained about that fact, the last year and a half of supply chain woes put that to bed; we all now know just how much of the stuff we need — and sadly, a lot of the stuff we don’t need but still th... | 46 | 9 | [
{
"comment_id": "6389681",
"author": "a_do_z",
"timestamp": "2021-10-11T17:17:39",
"content": "“236-nm run”…”nm”… hmm…huh…oh, nautical miles! Yes, that makes a lot more sense than nanometers. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389697",
... | 1,760,372,921.496249 | ||
https://hackaday.com/2021/10/11/keith-thorne-engineer-at-ligo-to-deliver-remoticon-keynote/ | Keith Thorne, Engineer At LIGO, To Deliver Remoticon Keynote | Mike Szczys | [
"cons",
"Featured",
"Slider"
] | [
"2021 Hackaday Remoticon",
"astromony",
"keynote",
"LIGO",
"science"
] | It is my pleasure to announce that Keith Thorne has graciously agreed to deliver a keynote take at Hackaday Remoticon 2.
Get your ticket now
!
Keith is an astrophysicist and has worked on the Laser Interferometer Gravitational-Wave Observatory (LIGO) since 2008, literally looking for ripples in space-time that you know... | 13 | 6 | [
{
"comment_id": "6389691",
"author": "LG",
"timestamp": "2021-10-11T17:41:41",
"content": "Skimming down the front page, I read“…engineer at Lego…”…skip a couple paragraphs……(something about precision interferometers)…Had to scroll up and read the title again!",
"parent_id": null,
"depth": 1... | 1,760,372,921.635079 | ||
https://hackaday.com/2021/10/11/magnetic-experiments-shows-gradients/ | Magnetic Experiments Shows Gradients | Al Williams | [
"Science"
] | [
"iron filings",
"magnet",
"magnetic",
"magnetic field",
"magnetic gradient",
"silicone oil",
"wooly willy"
] | You’ve probably heard the term magnetic gradient before, but have you ever seen one?
Now you can in [supermagnetman’s] video
, below. The key is to use very fine (2 micron) iron filings and special silicone oil. The video is a good mix of whiteboard lectures and practical hands-on experimenting. Just watching him spin ... | 3 | 3 | [
{
"comment_id": "6389739",
"author": "Sean",
"timestamp": "2021-10-11T20:20:43",
"content": "I’ll say it because no one else is….This is cool. Nice work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6389752",
"author": "EnnyPenny",
"timestamp": "202... | 1,760,372,921.57939 | ||
https://hackaday.com/2021/10/11/things-are-looking-brighter-but-not-the-stars/ | Things Are Looking Brighter! But Not The Stars | Bob Baddeley | [
"Current Events",
"Featured",
"Science",
"Slider",
"Space"
] | [
"light pollution",
"observatory",
"satellite"
] | Growing up in Montana I remember looking out at night and seeing the Milky Way, reminding me of my insignificance in the universe. Now that I live in a city, such introspection is no longer easy, and like 1/2 of humanity that also lives in urban areas, I must rely on satellites to provide the imagery. Yet satellites ar... | 37 | 12 | [
{
"comment_id": "6389647",
"author": "MikeR",
"timestamp": "2021-10-11T15:19:35",
"content": "Got into an argument about how we detect approaching asteroids by the dip in light of background stars. The dude was dead set on that not being how they are detected. So even if the sats aren’t illuminated ... | 1,760,372,921.751002 | ||
https://hackaday.com/2021/10/11/tiny-winged-circuits-fall-with-style/ | Tiny Winged Circuits Fall With Style | Danie Conradie | [
"drone hacks"
] | [
"glider",
"helicopter seeds",
"sensor node"
] | Researchers at Northwestern University is moving the goalposts on how small you can make a tiny flying object down to 0.5 mm, effectively creating
flying microchips
. Although “falling with style” is probably a more accurate description.
A larger “IoT Macroflyer” with more conventional circuitry
Like
similar projects
w... | 10 | 4 | [
{
"comment_id": "6389578",
"author": "CRJEEA",
"timestamp": "2021-10-11T11:06:36",
"content": "Considering the smallest camera and flat lens combination is smaller than a grain of rice and the same could be said for a comparable processor and transmitter. I’m just imagining thousands of these being ... | 1,760,372,923.840944 | ||
https://hackaday.com/2021/10/11/handheld-bandsaw-gets-standup-conversion-with-scrap-lumber/ | Handheld Bandsaw Gets Standup Conversion With Scrap Lumber | Lewin Day | [
"Tool Hacks"
] | [
"band saw",
"bandsaw",
"tool",
"tools"
] | Handheld band saws exist, and can be highly useful tools. However, they lack some of the finesse and precision of the more traditional upright units, particularly for with smaller workpieces. [Honus] set about rectifying this,
building a stand for their DeWalt handheld bandsaw out of scrap lumber.
The stand consists of... | 11 | 6 | [
{
"comment_id": "6389565",
"author": "Andy Pugh",
"timestamp": "2021-10-11T09:03:44",
"content": "I did a similar thing, but using toggle clamps to hold the bandsaw in place on the table so that it can be quickly demounted for use by hand or on the horizontal angle table.If you do this, I would advo... | 1,760,372,923.496167 | ||
https://hackaday.com/2021/10/10/gps-with-starlink-we-dont-need-it-any-more/ | GPS? With Starlink, We Don’t Need It Any More! | Jenny List | [
"Space"
] | [
"global positioning",
"gps",
"Starlink"
] | To find your position on the earth’s surface there are a variety of satellite-based navigation systems in orbit above us, and many receiver chipsets found in mobile phones and the like can use more than one of them. Should you not wish to be tied to a system produced by a national government though, there’s now an alte... | 58 | 16 | [
{
"comment_id": "6389535",
"author": "Gravis",
"timestamp": "2021-10-11T05:41:28",
"content": "8-metre accuracy is great and all… though it’s still worse than the original GPS. :/The real question is, what possible application could make this useful?",
"parent_id": null,
"depth": 1,
"rep... | 1,760,372,923.450069 | ||
https://hackaday.com/2021/10/10/arduino-becomes-superhet-with-a-little-help-from-friends/ | Arduino Becomes Superhet With A Little Help From Friends | Al Williams | [
"Arduino Hacks",
"Radio Hacks"
] | [
"Arduion",
"SI5351",
"superhet",
"Superhetrodyne"
] | A radio receiver is always a fun project. [Jayakody2000lk] decided that his new
superheterodyne design
would use an Arduino and it looks like it came out very nicely. The system has four boards. An off-the-shelf Arduino, a Si5351 clock generator board (also off-the-shelf), and two custom boards that contain the IF ampl... | 8 | 6 | [
{
"comment_id": "6389542",
"author": "Joshua",
"timestamp": "2021-10-11T06:32:19",
"content": "Cool! 😎 Superhets make me feel super nostalgic.I used to use them before direct-conversion receivers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6389545",
"... | 1,760,372,923.271064 | ||
https://hackaday.com/2021/10/10/hackaday-links-october-10-2021/ | Hackaday Links: October 10, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"ai",
"Beethoven",
"bgp",
"Blue Origin",
"Captain Kirk",
"car theft",
"cb",
"citizens band",
"data center",
"dns",
"facebook",
"fcc",
"fm",
"hackaday links",
"mode",
"modulation",
"Shatner"
] | We have to admit, it was hard not to be insufferably smug this week when
Facebook temporarily went dark around the globe
. Sick of being stalked by crazy aunts and cousins, I opted out of that little slice of cyber-hell at least a decade ago, so Monday’s outage was no skin off my teeth. But it was nice to see that the ... | 14 | 9 | [
{
"comment_id": "6389486",
"author": "Brian",
"timestamp": "2021-10-10T23:11:59",
"content": "Yeah, that NSA firmware sometimes causes problems when you load in onto your servers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6389487",
"author": "Michael ... | 1,760,372,923.581067 | ||
https://hackaday.com/2021/10/09/single-event-upsets-high-energy-particles-from-outer-space-flipping-bits/ | Single Event Upsets: High Energy Particles From Outer Space Flipping Bits | Danie Conradie | [
"Science",
"Space"
] | [
"cosmic rays",
"space radiation",
"veritasium"
] | Our world is constantly bombarded by high-energy particles from various sources, and if they hit in just the right spot on the sensitive electronics our modern world is built on, they can start flipping bits. Known as
Single Event Upsets
(SEU), their effect can range from unnoticeable to catastrophic, and [Veritasium] ... | 13 | 9 | [
{
"comment_id": "6389262",
"author": "fonz",
"timestamp": "2021-10-09T23:05:04",
"content": "at one point Xilinx had an issue with new lead used in certain packages flipping bits",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389273",
"author": "M",... | 1,760,372,923.361363 | ||
https://hackaday.com/2021/10/09/drive-high-impedance-headphones-with-this-stylish-usb-dac/ | Drive High-Impedance Headphones With This Stylish USB DAC | Jenny List | [
"home entertainment hacks",
"Portable Audio Hacks"
] | [
"dac",
"headphone amplifier",
"usb audio"
] | For anyone with an interest in building audio projects, it’s likely that an early project will be a headphone amplifier. They’re relatively easy to build from transistors, ICs, or tubes, and it’s possible to build one to a decent quality without being an electronic engineering genius. It’s not often though that we see ... | 3 | 2 | [
{
"comment_id": "6389309",
"author": "Collie147",
"timestamp": "2021-10-10T08:41:45",
"content": "Hmm I’ll have to see if there’s a matching XLR input one for a decent mic (with phantom power?). Really up my home video conferencing game.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,923.530668 | ||
https://hackaday.com/2021/10/09/making-coffee-with-hydrogen/ | Making Coffee With Hydrogen | Jenny List | [
"chemistry hacks",
"green hacks"
] | [
"aluminium",
"aluminum",
"green energy",
"hydrogen",
"NaOH"
] | Something of a Holy Grail among engineers with an interest in a low-carbon future is the idea of replacing fossil fuel gasses with hydrogen. There are various schemes, but they all suffer from the problem that hydrogen is difficult stuff to store or transport. It’s not easily liquefied, and the tiny size of its molecul... | 17 | 10 | [
{
"comment_id": "6389214",
"author": "Bruce Perens K6BP",
"timestamp": "2021-10-09T17:09:45",
"content": "This sounds like a very expensive and complicated form of the carbide lamp. The question is not whether it would work, of course it would, but whether it could ever be economical in comparison t... | 1,760,372,923.693716 | ||
https://hackaday.com/2021/10/09/hackers-and-china/ | Hackers And China | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider",
"Wearable Hacks"
] | [
"javascript",
"manufacturing",
"reverse engineering",
"smartwatch"
] | The open source world and Chinese manufacturing have a long relationship. Some fifteen years ago, the big topic was how companies could open-source their hardware designs and not get driven bankrupt by competition from overseas. Companies like Sparkfun, Adafruit, Arduino, Maple Labs, Pololu, and many more demonstrated ... | 26 | 7 | [
{
"comment_id": "6389193",
"author": "William J. Jackson",
"timestamp": "2021-10-09T14:27:51",
"content": "Years ago, after the war, all major cities had a ‘surplus’ row. There you could buy all manner of radios and parts that were left over from the war effort. We also had the Heath kits and later ... | 1,760,372,923.644729 | ||
https://hackaday.com/2021/10/09/when-benchies-fly/ | When Benchies Fly | Al Williams | [
"drone hacks"
] | [
"benchie",
"drone",
"radio control"
] | Most of us have printed a few benchies to test our 3D printers. The intrepid little boat has a variety of features that tax different parts of the printing process. However, the guys at [FliteTest] had a different idea. They set out in a competition to build a giant
flying benchie
. They aren’t quite done, but they did... | 5 | 3 | [
{
"comment_id": "6389231",
"author": "Ren",
"timestamp": "2021-10-09T18:42:27",
"content": "I didn’t finish the video.It seems like a fun project.But doesn’t it all come down to,“with enough thrust, anything can fly”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,923.311002 | ||
https://hackaday.com/2021/10/09/nifty-chip-adapter-does-the-impossible/ | Nifty Chip Adapter Does The Impossible | Jenny List | [
"Tech Hacks"
] | [
"qfn",
"QFP",
"soldering"
] | The semiconductor shortage has curtailed the choices available to designers and caused some inventive solutions to be found, but
the one used by [djzc]
is probably the most inventive we’ve yet seen. The footprint trap, when a board is designed for one footprint but shortages mean the part is only available in another, ... | 30 | 11 | [
{
"comment_id": "6389154",
"author": "Meri Coury",
"timestamp": "2021-10-09T09:40:05",
"content": "Seems to me there coukd be a pin insertion made and then run the the wave to solder without liding control of the placement.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,923.909217 | ||
https://hackaday.com/2021/10/08/model-f-keyboard-restoration-goes-the-extra-mile/ | Model F Keyboard Restoration Goes The Extra Mile | Chris Wilkinson | [
"Repair Hacks",
"Retrocomputing"
] | [
"ibm",
"IBM model F",
"Model F",
"retro computing",
"vintage computing"
] | The IBM Model F keyboard should need no introduction. Famed for its buckling spring key mechanisms, the Model F is lusted over for its satisfying typing experience and Armageddon-proof build quality. First introduced in 1981, many of these keyboards will now naturally require basic maintenance. However, [Epictronics] r... | 19 | 6 | [
{
"comment_id": "6389144",
"author": "Epictronics",
"timestamp": "2021-10-09T08:35:13",
"content": "Thanks for posting. A viewer pointed out to me that this very keyboard belonged to IBM Deutschland. The black sticker is apparently their inventory number. Knowing this, I will revert this keyboard ba... | 1,760,372,924.118289 | ||
https://hackaday.com/2021/10/10/with-luos-rapid-embedded-deployment-is-simplified/ | With Luos Rapid Embedded Deployment Is Simplified | Dave Rowntree | [
"Microcontrollers",
"Software Development"
] | [
"embedded",
"luos",
"portability",
"programming",
"software reuse",
"stm32"
] | Those of us tasked with developing firmware for embedded systems have a quite a few hurdles to jump through compared to those writing for the desktop or mobile platforms. Solved problems such as code reuse or portability are simply harder. It was with considerable interest that we learnt of
another approach to hardware... | 18 | 4 | [
{
"comment_id": "6389454",
"author": "Danjovic",
"timestamp": "2021-10-10T20:39:46",
"content": "It looks to me more like a bus topology with an associated API.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389709",
"author": "Nicolas (Luis)",
... | 1,760,372,923.980296 | ||
https://hackaday.com/2021/10/10/a-bike-trailer-for-any-expedition/ | A Bike Trailer For Any Expedition | Jenny List | [
"Transportation Hacks"
] | [
"bike trailer",
"trailer",
"wheelbarrow"
] | One of the greatest challenges for a hardware hacker relying only on a bicycle for transport lies in the regular need to carry more than can be slung from the handlebars or on the luggage rack of your trusty steed. One of our favourite YouTube creators in our sphere, [Laura Kampf], has addressed this problem with
a tra... | 30 | 11 | [
{
"comment_id": "6389396",
"author": "Or bugs for that matter.",
"timestamp": "2021-10-10T17:10:37",
"content": "How does it keep the rain out?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6389422",
"author": "Ren",
"timestamp": "2021-10-10T18:41:41"... | 1,760,372,924.051248 | ||
https://hackaday.com/2021/10/10/axial-flux-motors-for-electric-vehicles/ | Axial Flux Motors For Electric Vehicles | Al Williams | [
"Transportation Hacks"
] | [
"axial flux",
"axial flux motor",
"electric vehicle",
"ev",
"motor"
] | In the everything old is new again folder,
[Lesics] has a good overview of axial flux motors
. These are promising for electric vehicles, especially aircraft, since the motors should have high torque to weight ratio. The reason this is actually something old is that the early generators built by Faraday were actually o... | 37 | 17 | [
{
"comment_id": "6389367",
"author": "pierremuth",
"timestamp": "2021-10-10T14:25:20",
"content": "Like a direct drive turntable?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6389370",
"author": "tgyjty",
"timestamp": "2021-10-10T14:38:50",
"cont... | 1,760,372,924.364167 | ||
https://hackaday.com/2021/10/10/autonomous-ground-effect-vehicle-demonstrator-aims-to-speed-up-maritime-shipping/ | Autonomous Ground Effect Vehicle Demonstrator Aims To Speed Up Maritime Shipping | Danie Conradie | [
"Transportation Hacks"
] | [
"ardupilot",
"ekranoplan",
"ground effect",
"lidar",
"rctestflight",
"think flight"
] | Ground effect vehicles, or ekranoplans, have the advantage of being more efficient than normal aircraft and faster than boats, but so far haven’t been developed beyond experimental prototypes. Fortunately, this doesn’t stop companies from trying, which has led to a collaboration between [ThinkFlight] and [rctestflight]... | 35 | 11 | [
{
"comment_id": "6389326",
"author": "Dave",
"timestamp": "2021-10-10T11:21:57",
"content": "Dont forget:-https://en.wikipedia.org/wiki/Caspian_Sea_Monster",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6389328",
"author": "Dude",
"timestamp": "2021-10... | 1,760,372,924.294947 | ||
https://hackaday.com/2021/10/10/1981-called-heres-your-software/ | 1981 Called, Here’s Your Software | Jenny List | [
"Retrocomputing",
"Software Development"
] | [
"basic",
"game listing",
"trs-80"
] | How many of us who have a few decades of adulthood under our belts would like to talk to our 17 year old selves? “
Hey kid, it’s all gonna be OK. Also, Duke Nukem Forever does come out eventually, but it’s not going to be pretty!”
Being honest, exposure to the hot takes of one’s naive teenage self would almost certainl... | 53 | 27 | [
{
"comment_id": "6389304",
"author": "Menno",
"timestamp": "2021-10-10T08:16:39",
"content": "I’d tell my 17 year old to buy Bitcoin.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389350",
"author": "Danjovic",
"timestamp": "2021-10-10T13:3... | 1,760,372,924.695229 | ||
https://hackaday.com/2021/10/09/borehole-camera-rig-makes-life-easier-in-mining/ | Borehole Camera Rig Makes Life Easier In Mining | Lewin Day | [
"Tool Hacks"
] | [
"3D printed enclosure",
"GoPro",
"inspection camera",
"mining",
"skateboard"
] | Much of mining involves digging and drilling holes in the ground. Often, these holes need inspecting, but [Dean Harty] found that existing borehole inspection solutions weren’t up to snuff. Resolution was poor, and often live-view devices made recording footage a pain. Instead, he set about the development of the Sneak... | 11 | 8 | [
{
"comment_id": "6389305",
"author": "12L14",
"timestamp": "2021-10-10T08:17:06",
"content": "I remember times when we were milling brass(SS in protoypes) “hulls” for company making pipe inspection crawlers.Owner of said business was A. Sirko(really nice and smart guy), sorda local V. Antonic(he als... | 1,760,372,924.224295 | ||
https://hackaday.com/2021/10/09/dial-a-for-arduino/ | Dial A For Arduino | Al Williams | [
"Arduino Hacks",
"Phone Hacks"
] | [
"dial",
"dial phone",
"phone dial",
"rotary phone"
] | A lot of phrases surrounding phones don’t make sense anymore. With a modern cellphone, you don’t really “hang up” and there’s certainly no “dial” to be had. However, with [jakeofalltrades’] project, you can
read an old-fashioned phone dial
using an Arduino.
The idea behind a phone dial is actually pretty simple. When y... | 19 | 10 | [
{
"comment_id": "6389279",
"author": "Lee",
"timestamp": "2021-10-10T02:38:00",
"content": "I used a rotary dial for a alarm system I built once. Was pretty fun to use. I am half tempted to use one again for another project.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,924.414699 | ||
https://hackaday.com/2021/10/08/this-week-in-security-apache-nightmare-revil-arrests-and-the-ultimate-rickroll/ | This Week In Security: Apache Nightmare, REvil Arrests? And The Ultimate RickRoll | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"facebook",
"REvil",
"Senior Prank",
"This Week in Security"
] | The Apache HTTP Server version 2.4.49 has a blistering vulnerability, and it’s already being leveraged in attacks.
CVE-2021-41773
is a simple path traversal flaw, where the
%2e
encoding is used to bypass filtering. Thankfully the bug was introduced in 2.4.49, the latest release, and a hotfix has already been released, ... | 14 | 6 | [
{
"comment_id": "6388889",
"author": "Reality bites",
"timestamp": "2021-10-08T14:07:06",
"content": "Its comical how fragile the networks really are… like eggshell’s stacked on eggshells… just the slightest misstep and it all breaks. Its a testament to the true level of ineptitude of programmers. ... | 1,760,372,924.465632 | ||
https://hackaday.com/2021/10/08/power-your-home-with-a-water-battery/ | Power Your Home With A Water Battery | Matthew Carlson | [
"Solar Hacks"
] | [
"cnc",
"pump",
"quint",
"solar",
"water"
] | I’ve stated it before on Hackaday but one of the most interesting engineering challenges posed to me this year was “how could you store enough energy to power a decent portion of a home for several hours without using batteries, all while staying within the size of a typical suburban plot?” [Quint Builds] attempts some... | 69 | 16 | [
{
"comment_id": "6388843",
"author": "Viktor",
"timestamp": "2021-10-08T11:11:29",
"content": "A lot of work for small amount of power, don’t compete with nuclear power.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388849",
"author": "Krzysztof",
... | 1,760,372,924.565455 | ||
https://hackaday.com/2021/10/08/led-matrix-hourglass-knows-which-way-is-up/ | LED Matrix Hourglass Knows Which Way Is Up | Donald Papp | [
"Arduino Hacks",
"Art",
"LED Hacks"
] | [
"accelerometer",
"art",
"clock",
"gravity",
"hourglass",
"led matrix",
"physics"
] | [Fearless Night]’s
slick dual hourglass
doesn’t just simulate sand with LEDs, it also emulates the effects of gravity on those simulated particles and offers a few different mode options.
The unit uses an Arduino (with ATMEGA328P) and an MPU-6050 accelerometer breakout board to sense orientation and movement, and the r... | 6 | 5 | [
{
"comment_id": "6388818",
"author": "jpa",
"timestamp": "2021-10-08T09:14:34",
"content": "Is it just me or is this article missing the link to the project?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389017",
"author": "Donald Papp",
"t... | 1,760,372,924.611755 | ||
https://hackaday.com/2021/10/07/groovy-tv-gets-a-very-brady-makeover/ | Groovy TV Gets A Very Brady Makeover | Ryan Flowers | [
"Art"
] | [
"television",
"that 70's show",
"video display",
"vintage television",
"wood"
] | Here’s the story of an old Sharp TV, which was donated to [mandy] to be hacked. Just one look and
you can see, very clearly, it plays old Brady Bunch tracks
.
Upon inspection of the old television, [Aaron] and [mandy] found that the unit first hit the local Montgomery Ward in 1969. And what just momentous event played ... | 17 | 2 | [
{
"comment_id": "6388777",
"author": "Jon H",
"timestamp": "2021-10-08T05:12:48",
"content": "Should be showing Space: 1999 or The Jetsons",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6388801",
"author": "Ray T. Ube",
"timestamp": "2021-10-08T07:34:4... | 1,760,372,924.842317 | ||
https://hackaday.com/2021/10/07/leonardo-the-hopping-flying-bipedal-robot/ | LEONARDO: The Hopping, Flying Bipedal Robot | Dan Maloney | [
"drone hacks",
"Robots Hacks"
] | [
"bipedal",
"drone",
"hopping",
"kinematics",
"locomotion",
"obstacle avoidance"
] | We appear to have a new entry atop the “Robots That Creep Us Out” leader board:
meet LEONARDO, the combination quadcopter/bipedal robot
.
LEONARDO, a somewhat tortured name derived from “LEgs ONboARD drOne,” is actually just what it appears to be: a quadcopter with a set of legs. It comes to us from Caltech’s Center fo... | 22 | 12 | [
{
"comment_id": "6388757",
"author": "ask",
"timestamp": "2021-10-08T02:43:59",
"content": "Nature does it better -> birds or legs onboard wings 🤣",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6388762",
"author": "paulvdh",
"timestamp": "2021-10-08T0... | 1,760,372,924.900948 | ||
https://hackaday.com/2021/10/07/building-your-own-filing-machine-from-a-kit/ | Building Your Own Filing Machine From A Kit | Lewin Day | [
"Tool Hacks"
] | [
"die filer",
"filing machine",
"tool",
"tool hacks",
"tools"
] | Files are a very useful important tool if you’re machining your own parts. They can do plenty of shaping themselves on smaller parts in particular. Powering such a tool just makes sense, and a die filer or filing machine is essentially just that, reciprocating a file up and down for you. They’re highly prized amongst c... | 17 | 9 | [
{
"comment_id": "6388737",
"author": "Simon",
"timestamp": "2021-10-07T23:25:27",
"content": "This seems to be the same kit that Adam Savage has been building:https://www.youtube.com/watch?v=ZNwvjaIW-pU",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388821"... | 1,760,372,924.957059 | ||
https://hackaday.com/2021/10/07/c-clamp-becomes-light-duty-arbor-press/ | C-Clamp Becomes Light-Duty Arbor Press | Donald Papp | [
"Tool Hacks"
] | [
"3d printed",
"arbor press",
"c-clamp",
"custom tool",
"press"
] | [ThingaUser] made a tool to solve a specific problem of theirs, but the design also happens to be a pretty good way to turn a c-clamp into a
poor man’s light duty arbor press
.
The frame is made for a common 4-inch c-clamp.
The problem they had was a frequent need to press nuts and occasionally bearings into other part... | 8 | 2 | [
{
"comment_id": "6388696",
"author": "philosiraptor117",
"timestamp": "2021-10-07T20:23:06",
"content": "just give er the ol tappy tap tap",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388713",
"author": "Ø",
"timestamp": "2021-10-07T21:09:... | 1,760,372,925.00298 | ||
https://hackaday.com/2021/10/08/python-provides-classic-basic/ | Python Provides Classic Basic | Al Williams | [
"Retrocomputing",
"Software Hacks"
] | [
"basic",
"github",
"python"
] | Back in the late 1970s and early 1980s when you turned on a PC, more often than not, you’d get a Basic prompt. Most people would then load a game from a tape, but if you were inclined to program you could just start writing. [Richpl] wanted that same experience and thus
PyBasic
was born. Along with some other Github co... | 22 | 10 | [
{
"comment_id": "6389075",
"author": "Adam",
"timestamp": "2021-10-09T02:29:44",
"content": "A while back, I wanted to play ICBM. (From More BASIC Computer Games) Rather than translate it into Python, I wrote a very simple (And specific) BASIC interpreter in Python.",
"parent_id": null,
"dep... | 1,760,372,925.055736 | ||
https://hackaday.com/2021/10/08/3d-printed-preschooler-proof-mp3-player-takes-a-beat-ing/ | 3D Printed Preschooler Proof MP3 Player Takes A Beat-ing | Ryan Flowers | [
"digital audio hacks"
] | [
"3d printed",
"hot glue",
"kid friendly",
"mp3 player",
"toddler",
"zip ties"
] | Prototyping new ideas can be a lot of fun, but putting new projects in a durable enclosure can be a difficulty. This is especially the case when the user of this product is one of the most destructive forces in nature: A toddler! This is the circumstance that [blue blade] found himself in when he wanted to build a dura... | 9 | 7 | [
{
"comment_id": "6389129",
"author": "Oliver",
"timestamp": "2021-10-09T07:32:55",
"content": "Looks like a DIY toniebox. Im not sure if the article states, but is the outside also soft and of cloth?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6389324",
... | 1,760,372,925.100414 | ||
https://hackaday.com/2021/10/08/minitel-terminal-becomes-mini-laptop/ | Minitel Terminal Becomes Mini Laptop | Kristina Panos | [
"Arduino Hacks",
"Raspberry Pi"
] | [
"arduino pro micro",
"azerty",
"Minitel",
"raspberry pi",
"Raspberry Pi 3B+"
] | In 1980, France took a step into the future when the telecom companies introduced the Minitel system — a precursor to the Web where users could shop, buy train tickets, check stocks, and send and receive electronic mail through a small terminal. Minitel still had 10 million monthly connections in 2009, but the service ... | 17 | 9 | [
{
"comment_id": "6389018",
"author": "Michael Black",
"timestamp": "2021-10-08T21:51:31",
"content": "Not so much a precursor than a parallel world.Services like CompuServe did some of this at the same time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "638... | 1,760,372,925.158413 | ||
https://hackaday.com/2021/10/08/homebrew-circuit-explores-the-mysteries-of-analog-to-digital-conversion/ | Homebrew Circuit Explores The Mysteries Of Analog-to-Digital Conversion | Dan Maloney | [
"Misc Hacks"
] | [
"adc",
"analog to digital",
"comparator",
"dac",
"r-2r",
"sample-hold",
"successive approximation"
] | When it comes to getting signals from an analog world into our computers, most of us don’t give much thought to how the hardware that does the job works. But as it turns out, there are a number of ways to skin the analog to digital conversion cat, and
building your own homebrew successive approximation register ADC
is ... | 9 | 4 | [
{
"comment_id": "6388991",
"author": "Ren",
"timestamp": "2021-10-08T20:14:42",
"content": "I kind of understand what is happening in the video, but I will need to see schematic to understand it better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388997"... | 1,760,372,925.201818 | ||
https://hackaday.com/2021/10/08/can-we-repurpose-old-wind-turbine-blades/ | Can We Repurpose Old Wind Turbine Blades? | Lewin Day | [
"Engineering",
"green hacks"
] | [
"blade",
"recycling",
"reuse",
"turbine",
"wind power",
"Wind turbine",
"wind turbine blade",
"wind turbine blades",
"wind turbines"
] | Wind turbines are a fantastic, cheap, renewable source of energy. However, nothing lasts forever, and over time, the blades of wind turbines fatigue and must be replaced. This then raises the question of what to do with these giant waste blades. Thankfully, a variety of projects are exploring just those possibilities.
... | 92 | 38 | [
{
"comment_id": "6388946",
"author": "kaaaaaaaaaaaaaaaang",
"timestamp": "2021-10-08T17:13:09",
"content": "Maybe reinforced and sharpened could work as swords for giant robots…But We need giant robots first, and a very good reason to give them swords.",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,925.601759 | ||
https://hackaday.com/2021/10/08/hackaday-podcast-139-furter-burner-glowing-potato-peeler-hacked-smartwatch-and-the-last-atlas/ | Hackaday Podcast 139: Furter Burner, Glowing Potato Peeler, Hacked Smartwatch, And The Last Atlas | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday editors Tom Nardi and Elliot Williams bring you up to speed on the most interesting stories of the week. Hackaday’s Remoticon and Germany’s Chaos Communication Congress are virtual again this year, but the Vintage Computer Festival will be live. We’ll also talk about ocean-going drones, the recreation of an ol... | 0 | 0 | [] | 1,760,372,925.402105 | ||
https://hackaday.com/2021/10/08/hacked-set-of-instruments-saves-musicians-gigs/ | Hacked Set Of Instruments Saves Musician’s Gigs | Dan Maloney | [
"Musical Hacks",
"News"
] | [
"airlines",
"beatbox",
"flute",
"gig",
"luggage",
"piezo",
"PVC",
"ukelele",
"wind instruments"
] | Most of the horror stories you hear about air travel seem to center around luggage. Airlines do an admirable job of getting people safely to their destinations, but checked baggage is a bit of a crapshoot — it could be there when you land, it could end up taking the scenic route, or it could just plain disappear. That’... | 19 | 10 | [
{
"comment_id": "6388919",
"author": "X",
"timestamp": "2021-10-08T15:43:17",
"content": "I learned a long time ago to never check baggage. I drop it off with UPS ahead of time and it gets delivered directly to my destination, fully insured to boot. Good grief, no more dragging stuff through the air... | 1,760,372,925.456569 | ||
https://hackaday.com/2021/10/07/halloween-build-exquisite-ray-gun-has-sound-effects/ | Halloween Build: Exquisite Ray Gun Has Sound Effects | Al Williams | [
"Misc Hacks"
] | [
"cosplay",
"haloween",
"phaser",
"pistol",
"prop",
"ray gun",
"raygun"
] | When we first saw [lonesoulsurfer’s]
ray gun
, we thought it looked oddly familiar. Sure, it looks like a vintage ray gun you might see in a dozen 1950-era movies or TV shows. But still, there was something oddly familiar about it. Turns out, the core piece of it is an old-fashioned timing light used when doing a car t... | 8 | 6 | [
{
"comment_id": "6388679",
"author": "josephsleary",
"timestamp": "2021-10-07T18:37:02",
"content": "Nice build!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388705",
"author": "Ren",
"timestamp": "2021-10-07T20:47:42",
"content": ... | 1,760,372,925.74373 | ||
https://hackaday.com/2021/10/07/linux-fu-globs-vs-regexp/ | Linux Fu: Globs Vs Regexp | Al Williams | [
"Linux Hacks",
"Software Hacks"
] | [
"bash",
"glob",
"linux",
"Linux Fu",
"regexp",
"regular expressions"
] | I once asked a software developer at work how many times we called fork() in our code. I’ll admit, it was a very large project, but I expected the answer to be — at most — two digits. The developer came back and read off some number from a piece of paper that was in the millions. I told them there was no way we had mil... | 17 | 10 | [
{
"comment_id": "6388642",
"author": "jonmayo",
"timestamp": "2021-10-07T17:04:09",
"content": "If you want a glob in your own program check out the function fnmatch(). It’s also not difficult to write a portable version for those of your not on a POSIX system.",
"parent_id": null,
"depth": ... | 1,760,372,925.70545 | ||
https://hackaday.com/2021/10/07/meet-the-winners-of-the-hackaday-prize-round-four-redefine-robots/ | Meet The Winners Of The Hackaday Prize Round Four: Redefine Robots | Elliot Williams | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"redefine robots",
"robots",
"winners"
] | The judges’ ballots are in and we’re proud to present the ten winners of the fourth round of the 2021 Hackaday Prize. We love robots, and it’s obvious that you do too! The number and range of projects submitted this year were overwhelming.
No robotics round is complete without a robot arm, and while a few of them were... | 5 | 4 | [
{
"comment_id": "6388656",
"author": "Norbert",
"timestamp": "2021-10-07T17:22:18",
"content": "Thanks for voting my project into the final round of this year’s HackadayPrize! Parts for the new iteration of my granules extruder have arrived right this afternoon. Time to go back to my workshop…",
... | 1,760,372,925.647895 | ||
https://hackaday.com/2021/10/07/worlds-cheapest-and-possibly-worst-ir-camera/ | World’s Cheapest And Possibly Worst IR Camera | Al Williams | [
"3d Printer hacks",
"Arduino Hacks",
"digital cameras hacks"
] | [
"diy infrared camera",
"harbor freight",
"infrared",
"ir camera"
] | Don’t blame us for the title. [CCrome] admits it may well be the
cheapest and worst IR camera
available. The concept is surprisingly simple. Mount a cheap Harbor Freight non-contact thermometer on a 3D printer carriage and use it to scan the target. The design files are available on
GitHub
.
There is, of course, an Ard... | 16 | 8 | [
{
"comment_id": "6388603",
"author": "Ren",
"timestamp": "2021-10-07T15:35:44",
"content": "Neat idea!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6388609",
"author": "neorpheus",
"timestamp": "2021-10-07T15:51:50",
"content": "I’ve always wonde... | 1,760,372,925.798163 | ||
https://hackaday.com/2021/10/07/creating-methane-from-captured-carbon-dioxide-and-the-future-of-carbon-capture/ | Creating Methane From Captured Carbon Dioxide And The Future Of Carbon Capture | Maya Posch | [
"chemistry hacks",
"Featured",
"Interest",
"Original Art",
"Science",
"Slider"
] | [
"amine solvent",
"Cansolv",
"carbon capture",
"synthethic fuel",
"synthethic natural gas"
] | There’s something intrinsically simple about the concept of carbon (CO
2
) capture: you simply have the CO
2
molecules absorbed or adsorbed by something, after which you separate the thus captured CO
2
and put it somewhere safe. Unfortunately, in physics and chemistry what seems easy and straightforward tends to be any... | 124 | 30 | [
{
"comment_id": "6388574",
"author": "Cory",
"timestamp": "2021-10-07T14:08:46",
"content": "while just a simulation, and involving nanofab techniques that likely do not scale (we need a breakthrough in this field!!!), this would be really good.https://www.nature.com/articles/s41467-021-25426-5I act... | 1,760,372,926.463114 | ||
https://hackaday.com/2021/10/07/diy-solar-ebike-goes-around-the-world-we-hope/ | DIY Solar Ebike Goes Around The World, We Hope | Bryan Cockfield | [
"Transportation Hacks"
] | [
"bike",
"ebike",
"hub motor",
"long distance",
"recumbent",
"solar panels",
"solar tracking"
] | [Mark Havran] is on a mission to complete a solo trip around the world on his bicycle. For such a long and arduous trip, unsupported by anything other than what he and his bike can carry, he has devised a unique vehicle with everything he needs to accomplish his journey. This bike has plenty of things we’ve seen before... | 47 | 11 | [
{
"comment_id": "6388532",
"author": "vib",
"timestamp": "2021-10-07T11:26:54",
"content": "That fire extinguisher will be of zero usefulness since the only fire that can start here is a Li-Ion battery fire.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "638... | 1,760,372,926.057761 | ||
https://hackaday.com/2021/10/07/microgps-sees-what-you-overlook/ | MicroGPS Sees What You Overlook | Matthew Carlson | [
"Machine Learning"
] | [
"gps",
"indoor location service",
"Nvidia Jetson"
] | GPS is an incredibly powerful tool that allows devices such as your smartphone to know roughly where they are with an accuracy of around a meter in some cases. However, this is largely too inaccurate for many use cases and that accuracy drops considerably when inside such as warehouse robots that rely on barcodes on th... | 45 | 12 | [
{
"comment_id": "6388485",
"author": "Manfred",
"timestamp": "2021-10-07T08:07:23",
"content": "There are already household vacuum robots that do the same thing with the ceiling structure.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388508",
"aut... | 1,760,372,925.976722 | ||
https://hackaday.com/2021/10/06/bbc-microbit-reads-morse-code-with-makecode/ | BBC Micro:bit Reads Morse Code With MakeCode | Al Williams | [
"Microcontrollers"
] | [
"bbc microbit",
"makecode",
"morse code"
] | We always have mixed feelings about the drag-and-drop programming languages. But we were impressed with [SirDan’s]
Morse code decoder
built with the graphical MakeCode. Granted, it is reading 5 element groups from a button on the BBC micro:bit and not worrying about details such as intercharacter or interelement spacin... | 12 | 7 | [
{
"comment_id": "6388467",
"author": "Michael Black",
"timestamp": "2021-10-07T05:14:20",
"content": "Two buttons is far removed from real code, as is sending directly to a machine.There is very little need for knowing what you are sending. It’s receiving that’s “harder”. And generally, that means... | 1,760,372,926.101194 | ||
https://hackaday.com/2021/10/06/retrotechtacular-3d-printed-buildings-1930s-style/ | Retrotechtacular: 3D-Printed Buildings, 1930s Style | Dan Maloney | [
"Retrotechtacular"
] | [
"building",
"concrete",
"construction",
"extruder",
"mortar",
"retrotechtacular",
"wall"
] | Here we are in the future, thinking we’re so fancy and cutting edge with mega-scale 3D printers that can extrude complete, ready-to-occupy buildings, only to find out that
some clever inventor came up with essentially the same idea back in the 1930s
.
The inventor in question, one [William E. Urschel] of Valparaiso, In... | 35 | 15 | [
{
"comment_id": "6388422",
"author": "Jack Buffington",
"timestamp": "2021-10-07T02:32:06",
"content": "Those walls look a lot nicer than the 3D printed walls that I have seen elsewhere. It would be a big improvement on the modern machines to have a spinning disk like he had to smooth out the edges... | 1,760,372,926.17228 | ||
https://hackaday.com/2021/10/06/using-a-pcb-to-reflow-pcbs-take-2/ | Using A PCB To Reflow PCBs – Take 2! | Jim Heaney | [
"Tool Hacks"
] | [
"heater",
"pcb",
"reflow",
"reflow plate",
"soldering"
] | It’s not too hard to make your electronics project get warm. Design your traces too small, accidentally short the battery inputs together, maybe reverse the voltage going to your MCU. We’ve all cooked a part or two over the years. But what about making a PCB that gets hot on purpose? That’s exactly what [Carl Bugeja] d... | 29 | 16 | [
{
"comment_id": "6388389",
"author": "pablo",
"timestamp": "2021-10-06T23:52:18",
"content": "I could see this working well on an aluminum substrate with high-temperature dielectric",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388414",
"author": "... | 1,760,372,926.24081 | ||
https://hackaday.com/2021/10/06/dave-the-drive-able-duck-does-donuts/ | Dave The Drive-able Duck Does Donuts | Kristina Panos | [
"classic hacks"
] | [
"duck decoy",
"R/C boat",
"silicone caulking",
"Sugru"
] | [Hey Jude] is tired of the machismo dripping from most modern electronic toys, especially stuff like monster trucks and police/military sets. He grew up on weird stuff, not aggression, and
wanted to share the experience of kit-bashing a new toy together alongside his son
.
This is essentially an R/C boat stuffed into a... | 9 | 5 | [
{
"comment_id": "6388364",
"author": "k-ww",
"timestamp": "2021-10-06T21:10:55",
"content": "The concept quacks me up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6388372",
"author": "echodelta",
"timestamp": "2021-10-06T21:46:25",
"content": "... | 1,760,372,926.297359 | ||
https://hackaday.com/2021/10/06/making-the-most-of-your-resin-printer-investment/ | Making The Most Of Your Resin Printer Investment | Dan Maloney | [
"3d Printer hacks"
] | [
"Elegoo",
"MSLA",
"production",
"resin",
"sla",
"stereolithography"
] | To the extent that we think of 3D printers as production machines, we tend to imagine huge banks of FDM machines slowly but surely cranking out parts. These printer farms are a sensible way to turn a slow process into a high-volume operation, but it turns out there’s a way to do the same thing with only one printer —
a... | 21 | 7 | [
{
"comment_id": "6388332",
"author": "nc",
"timestamp": "2021-10-06T20:05:06",
"content": "Adidas has been doing this for literal years. look up the futurecraft 4D.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6388338",
"author": "scott.tx",
"timesta... | 1,760,372,926.582961 | ||
https://hackaday.com/2021/10/06/decoding-smd-part-markings/ | Decoding SMD Part Markings | Chris Lott | [
"Engineering",
"Featured",
"Parts",
"Repair Hacks",
"Slider"
] | [
"database",
"repair",
"smd part marking"
] | You’ve probably encountered this before — you have a circuit board that is poorly documented, and want to know the part number of a tiny SMD chip. Retro computer enthusiast [JohnK]
recently tweeted
about one such database that he recently found, entitled
The Ultimate SMD Marking Codes Database
. This data base is only ... | 29 | 15 | [
{
"comment_id": "6388272",
"author": "BT",
"timestamp": "2021-10-06T17:06:34",
"content": "And how do you know it is WXS not SXM?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388277",
"author": "AK",
"timestamp": "2021-10-06T17:12:35",
... | 1,760,372,926.529384 | ||
https://hackaday.com/2021/10/06/vintage-computer-festival-east-reboots-this-weekend/ | Vintage Computer Festival East Reboots This Weekend | Tom Nardi | [
"cons",
"Retrocomputing"
] | [
"InfoAge",
"retrocomputing",
"VCF",
"VCF East",
"VCF East 2021"
] | We don’t have to tell the average Hackaday reader that the last two years have represented a serious dry spell for the type of in-person events that our community has always taken for granted. Sure virtual hacker cons have their advantages, but there’s nothing quite like meeting up face to face to talk shop with like-m... | 13 | 7 | [
{
"comment_id": "6388255",
"author": "Neil Cherry",
"timestamp": "2021-10-06T16:29:57",
"content": "I’m somebody now! Millions of people look at this book every day! This is the kind of spontaneous publicity, you’re name in print, that makes people. I’m in print! Things are going to start happening ... | 1,760,372,926.69498 | ||
https://hackaday.com/2021/10/06/furter-burner-cooks-the-wieners-just-so/ | Furter Burner Cooks The Wieners Just So | Lewin Day | [
"cooking hacks"
] | [
"grill",
"sausage",
"wiener"
] | Sometimes you’re hungry for two sausages, and not a sausage more. [Wesley] designed his
Furter Burner
to handle precisely these situations, and it looks to cook up a pair of wieners a treat. (Video, embedded below.)
The process starts with a couple of wooden stunt wieners, and some foam board, with which [Wesley] rough... | 31 | 8 | [
{
"comment_id": "6388217",
"author": "Michael Black",
"timestamp": "2021-10-06T15:08:02",
"content": "Two nails and an AC cord. “Makes a perfect hot dog cooker”. It was in the book from the chikdren’s library fifty years ago.Or buiod a solar cooker, that was in a book, but maybe not from the libra... | 1,760,372,926.64583 | ||
https://hackaday.com/2021/10/06/3d-printering-corrugated-plastic-for-cheaper-easier-enclosures/ | 3D Printering: Corrugated Plastic For Cheaper & Easier Enclosures | Donald Papp | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3D Printering",
"cnc",
"Coroplast",
"corrugated plastic",
"enclosure"
] | Clear acrylic panels have long been a mainstay of 3D printer enclosure designs, but they can also add significant cost in terms of money, shipping, weight, and hassle. An alternative material worth looking at is corrugated plastic (also known by its trade name
coroplast
) which is cheap, light, an excellent insulator, ... | 37 | 19 | [
{
"comment_id": "6388191",
"author": "jpa",
"timestamp": "2021-10-06T14:20:30",
"content": "Glass can be pretty cost-effective material also. Many local shops will even cut it to size and chamfer the edges if needed. When combined with steel shelving, it should provide some extra chances of stopping... | 1,760,372,926.831558 | ||
https://hackaday.com/2021/10/06/building-a-multi-ton-power-loader-for-fun/ | Building A Multi-Ton Power Loader For Fun | Danie Conradie | [
"Robots Hacks"
] | [
"exoskeleton",
"Hacksmith",
"mech suit",
"robot",
"ros"
] | Exoskeletons, power suits, and iron suits in science fiction have served as the inspiration for many engineers and engineering projects over the years. This is certainly the case at [Hacksmith Industries], where Hackaday alum [James Hobson] has been building a
massive mechanical exoskeleton
since January 2019, inspired... | 18 | 6 | [
{
"comment_id": "6388126",
"author": "Viktor",
"timestamp": "2021-10-06T11:18:12",
"content": "Why the huge backlash when moving? Isn’t there negative feedback?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6388161",
"author": "Gregg Eshelman",
... | 1,760,372,926.983241 |
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