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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2022/05/22/receive-virtual-postcards-on-this-beautiful-e-ink-photo-frame/ | Receive Virtual Postcards On This Beautiful E-Ink Photo Frame | Robin Kearey | [
"home hacks",
"Microcontrollers"
] | [
"custom PCB",
"e-ink",
"e-paper",
"ESP32",
"USB C"
] | Sending postcards to loved ones used to be standard procedure for travelers back when travel was glamorous and communications were slow. While some travelers still keep this tradition alive, many have replaced stamps and post offices with instant messaging and social media — faster and more convenient, but a lot less s... | 12 | 6 | [
{
"comment_id": "6476747",
"author": "RW ver 0.0.3",
"timestamp": "2022-05-22T14:28:44",
"content": "How many days before you start getting? …https://theawesomedaily.com/wp-content/uploads/2022/01/carmeme2-750×593.png",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,687.626571 | ||
https://hackaday.com/2022/05/22/bi-color-filament-kicks-3d-printed-optical-illusions-up-a-notch/ | Bi-Color Filament Kicks 3D Printed Optical Illusions Up A Notch | Donald Papp | [
"3d Printer hacks"
] | [
"ambiguous shapes",
"bicolor PLA",
"illusion"
] | A new video from
[Make Anything] shows off a nice combo
that has a real visual impact: ambiguous shapes that look different depending on what angle they are viewed at, combined with an unusual filament that enhances the effect greatly. As you can see in the image above that shows off just such an object in front of a m... | 2 | 1 | [
{
"comment_id": "6476717",
"author": "Hitomi",
"timestamp": "2022-05-22T12:14:02",
"content": "I actually enjoyed this, wonder how good it looks in real life, but the effect is very impressive in a video recording. Got me some M.C. Escher vibes.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,372,686.957862 | ||
https://hackaday.com/2022/05/22/smart-contact-lenses-put-you-up-close-to-the-screen/ | Smart Contact Lenses Put You Up Close To The Screen | Al Williams | [
"LED Hacks",
"Wearable Hacks"
] | [
"augmented reality",
"contact lens"
] | Google Glass didn’t take off as expected, but — be honest — do you really want to walk around with that hardware on your head? The
BBC recently covered Mojo
, a company developing
smart contact lenses
that not only correct vision but can show a display. You can see a video from CNET on the technology below.
The lenses ... | 45 | 11 | [
{
"comment_id": "6476693",
"author": "Saabman",
"timestamp": "2022-05-22T08:53:05",
"content": "With the limited battery capacity I think it would be something like “blink and you’ll miss it “",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6476731",
... | 1,760,372,687.493048 | ||
https://hackaday.com/2022/05/21/vr-spectrum-analyzer/ | VR Spectrum Analyzer | Al Williams | [
"Radio Hacks",
"Virtual Reality"
] | [
"RTLSDR",
"sdr",
"software define radio",
"virtual reality",
"vr"
] | At one point or another, we’ve probably all wished we had a VR headset that would allow us to fly around our designs. While not quite the same, thing, [manahiyo831] has something that might even be better: a
VR spectrum analyzer
. You can get an idea of what it looks like in the video below, although that is actually f... | 5 | 3 | [
{
"comment_id": "6476674",
"author": "tiopepe123",
"timestamp": "2022-05-22T06:51:00",
"content": "or 2 X SDR and 2X PCB log antennaand diferencial spectrum",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6476724",
"author": "Mark Walter",
"t... | 1,760,372,687.053973 | ||
https://hackaday.com/2022/05/21/building-your-own-8088-xt-motherboard/ | Building Your Own 8088 XT Motherboard | Al Williams | [
"Retrocomputing"
] | [
"8088",
"motherboard",
"PC-XT"
] | There was a time when an XT-class motherboard — like the old IBM PC with an 8088 CPU — was a high-tech accomplishment. Now, something like that is easily within reach of the average hobby lab.
[Homebrew8088] did it
, and it looks surprisingly simple, especially compared to what passes for a motherboard these days.
The ... | 47 | 10 | [
{
"comment_id": "6476645",
"author": "Andrew",
"timestamp": "2022-05-22T02:22:18",
"content": "Username checks out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6476646",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-05-22T02:47... | 1,760,372,687.14443 | ||
https://hackaday.com/2022/05/21/voyager-1-talks-some-nonsense-but-is-still-working/ | Voyager 1Talks Some Nonsense, But Is Still Working | Jenny List | [
"News",
"Space"
] | [
"space probe",
"telemetry",
"voyager"
] | The
Voyager 1
interplanetary probe was launched in 1977 and has now reached interstellar space where it is the furthest-traveled man-made object. It’s hugely exceeded its original mission and continues to return valuable scientific data, but there’s an apparent fault which is leaving its controllers perplexed. Onboard ... | 37 | 23 | [
{
"comment_id": "6476621",
"author": "Nick",
"timestamp": "2022-05-21T23:03:22",
"content": "Depending on which Voyager craft it is, it could also be the one that was blown up by a couple of really bored Klingons.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,687.566512 | ||
https://hackaday.com/2022/05/20/rip-john-birkett-parts-vendor-extraordinaire/ | RIP John Birkett, Parts Vendor Extraordinaire | Jenny List | [
"hardware"
] | [
"electronic surplus",
"parts",
"surplus"
] | It is with sadness that we note
the passing of John Birkett
, proprietor of the
legendary eponymous surplus radio and electronics store
on an unassuming street in the British city of Lincoln, at the age of 93. He has been a fantastic source of esoteric parts and electronic assemblies for many decades, and though many o... | 55 | 35 | [
{
"comment_id": "6476171",
"author": "Ian H",
"timestamp": "2022-05-20T08:42:53",
"content": "Whilst I only visited Birkett’s once (on holiday with my family) back in the mid 1980’s my own home town of Cardiff, South Wales in the U.K. had a similar shop – Charlie Marks in the Wyndham Arcade. Whilst ... | 1,760,372,687.40841 | ||
https://hackaday.com/2022/05/19/pcb-linear-motors-for-model-trains/ | PCB Linear Motors For Model Trains | Anne Ogborn | [
"Misc Hacks",
"News",
"Toy Hacks"
] | [
"linear motor",
"model railroad",
"model raiway"
] | Modeling a railroad is hard. Railroads are large, linear pieces of civil engineering. So many modelers are drawn to the smallest scale they can use. Recently a new scale, named T, at 1:450 has been pushing this barrier. But fitting a reliable mechanical drive mechanism and MCU board in a package this size is a challeng... | 34 | 11 | [
{
"comment_id": "6476136",
"author": "Ghent+the+Slicer",
"timestamp": "2022-05-20T05:21:04",
"content": "Kudos, this is really cool.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6638484",
"author": "Rob",
"timestamp": "2023-05-03T06:50:16",... | 1,760,372,687.229087 | ||
https://hackaday.com/2022/05/19/scotts-cpu-from-the-bottom-up/ | Scott’s CPU From The Bottom Up | Al Williams | [
"Microcontrollers"
] | [
"cpu",
"custom cpu",
"digital logic"
] | It isn’t for everyone, but if you work much with computers at a low level, you’ll probably sooner or later entertain the idea of creating your own CPU. There was a time when that was a giant undertaking, but with today’s tools and FPGAs it is… well, not easy, but certainly easier. If you have the urge to try your own, ... | 5 | 4 | [
{
"comment_id": "6476139",
"author": "Marvin",
"timestamp": "2022-05-20T05:44:02",
"content": "Another excellent series on the topic by Ben Eater:https://www.youtube.com/watch?v=HyznrdDSSGM&list=PLowKtXNTBypGqImE405J2565dvjafglHU",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,686.913733 | ||
https://hackaday.com/2022/05/19/flexible-grip-for-hammer-made-with-3d-printing-pen/ | Flexible Grip For Hammer Made With 3D Printing Pen | Lewin Day | [
"3d Printer hacks",
"Tool Hacks"
] | [
"flexible grip",
"grip",
"tool grip",
"tools"
] | When it comes to putting a flexible grip on a tool, you might reach for a self-fusing silicone tape or other similar product. However, [Potent Printables] has discovered you can easily create a flexible grip
using a 3D-printing pen and some flex filament.
In this case, a hammer first gets a layer of blue painters tape ... | 17 | 6 | [
{
"comment_id": "6476040",
"author": "scott.tx",
"timestamp": "2022-05-19T23:49:09",
"content": "shoot, some people are just trying to make the rest of us look bad.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6476081",
"author": "Josiah Gould",
"tim... | 1,760,372,687.011574 | ||
https://hackaday.com/2022/05/19/opencv-running-on-tiny-microcontroller/ | OpenCV Running On A Tiny Microcontroller | Bryan Cockfield | [
"Microcontrollers"
] | [
"computer vision",
"dowdq6",
"edge detection",
"ESP32",
"memory",
"opencv",
"size"
] | At first blush, it might seem like projects that make extensive use of computer vision or machine learning would need to be based on powerful computing platforms with plenty of clock cycles and memory to handle this type of application. While there is some truth to this, as the field progresses it becomes possible to e... | 10 | 7 | [
{
"comment_id": "6475976",
"author": "irox",
"timestamp": "2022-05-19T20:48:54",
"content": "On a side note, there is also OpenMV doing machine vision on small embedded boards. They have there own hardware, but there was talk of porting/supporting OpenMV on ESP32 (a few years ago, not sure if that ... | 1,760,372,687.675578 | ||
https://hackaday.com/2022/05/19/hacking-the-logitech-z906-speaker-system/ | Hacking The Logitech Z906 Speaker System | Lewin Day | [
"Arduino Hacks",
"home entertainment hacks"
] | [
"Arduino Library",
"logitech",
"logitech z906"
] | The Logitech Z906 is a well-rounded 5.1 surround sound system. It’s capable of putting out 1000W in peak power, and can decode Dolby Digital and DTS soundtracks as you’d expect. It’s intended to be used as the heart of a home cinema system and used with a central command console. However, [zarpli] figured out the devic... | 43 | 17 | [
{
"comment_id": "6475897",
"author": "RW ver 0.0.1",
"timestamp": "2022-05-19T17:09:21",
"content": "*hyper cringe* you really just quoted the peak power like it’s a number that matters?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6475901",
"autho... | 1,760,372,687.884459 | ||
https://hackaday.com/2022/05/19/put-a-new-spin-on-your-3d-printed-parts/ | Put A New Spin On Your 3D Printed Parts | Al Williams | [
"Parts"
] | [
"animated",
"motorized",
"rotation"
] | Once you get tired of printing keychains and earbud holders with your 3D printer, you’ll want to design things a bit more sophisticated. How about things that rotate? [3DSage] has a good how-to about
how to integrate a simple motor and controller
into a few different size boxes. Combined with some 3D printed linkages, ... | 4 | 4 | [
{
"comment_id": "6475808",
"author": "Doug Leppard",
"timestamp": "2022-05-19T14:35:10",
"content": "thanks for your work and making it available.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6476075",
"author": "Nicholas Anthony Stanton",
"timestamp... | 1,760,372,687.801049 | ||
https://hackaday.com/2022/05/20/sound-generation-board-makes-the-tunes/ | Sound Generation Board Makes The Tunes | Al Williams | [
"Musical Hacks"
] | [
"chiptune",
"microchip",
"pic"
] | [Mcjack123] has been getting into chiptunes lately and realized that his original interest started in 2018 when he used an Arduino to turn a TI-84 calculator into a sound machine. His latest iteration is a custom-designed soundboard and he
takes us through the design and construction of it
in a recent post.
The work mo... | 4 | 3 | [
{
"comment_id": "6476753",
"author": "John E Price",
"timestamp": "2022-05-22T14:51:53",
"content": "Amazing!!! I’ll say it again… The hardest thing about Arduino platform is trying to figure out the next killer project!! Awesome work!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,687.715712 | ||
https://hackaday.com/2022/05/20/hamvention-2022-the-reunion-begins-today/ | Hamvention 2022: The Reunion Begins Today | Kristina Panos | [
"cons",
"News"
] | [
"ham radio",
"hamfest",
"hamvention"
] | Calling all hams!
Hamvention 2022
is underway and runs through the weekend at
the Greene County Fair and Expo Center
in Xenia, Ohio. It’s been three long years since Hamvention took place in person, and this year marks the 70th reunion of what has got to be the largest hamfest in the Midwest. If you’re in the area, you... | 7 | 4 | [
{
"comment_id": "6476427",
"author": "Myself",
"timestamp": "2022-05-20T21:41:11",
"content": "I’m not attending this year, but I’m SO GLAD they moved to the Greene County fairgrounds. The parking was a mud-pit the year I went, but everything else about it is so much better. The bathrooms work, the ... | 1,760,372,687.760593 | ||
https://hackaday.com/2022/05/20/square-cuts-on-aluminum-extrusion-no-mill-required/ | Square Cuts On Aluminum Extrusion, No Mill Required | Dan Maloney | [
"Tool Hacks"
] | [
"aluminum",
"cnc",
"endmill",
"extrusion",
"jig",
"Machine tool",
"router",
"squaring"
] | If you’re looking for the perfect excuse to buy that big, beautiful Bridgeport mill, we’ve got some bad news: it’s not going to be making perfectly square end cuts on aluminum extrusion. Sadly, it’s much more cost-effective to build
this DIY squaring jig
, and search for your tool justification elsewhere.
There’s no do... | 53 | 17 | [
{
"comment_id": "6476317",
"author": "PWalsh",
"timestamp": "2022-05-20T17:24:24",
"content": "Apropos of nothing, why won’t my bridgeport mill make square end cuts in aluminum extrusion?I didn’t view the full video – is that explained somewhere? I’d really like to know the explanation behind the st... | 1,760,372,688.252701 | ||
https://hackaday.com/2022/05/20/ep-169-3d-print-vase-mode-engage-measuring-nanovolts-through-mega-diy-and-the-softest-pants-are-software-pants/ | Hackaday Podcast 169: 3D Printing In Vase Mode, Measuring Nanovolts Through Mega DIY, And The Softest Pants Are Software Pants | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Join Hackaday Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos as we take a tour of our top hacks from the past week. Elliot brought some fairly nerdy fare to the table this time, and Kristina pines for physical media as we discuss the demise of the iPod Touch, the last fruit-flavored mp3-playing s... | 2 | 1 | [
{
"comment_id": "6476975",
"author": "Jim",
"timestamp": "2022-05-23T11:10:10",
"content": "The cheapest easy way to create an in home intercom system with old phones it to use an analog telephone adapter (ATA)like the Obi202. They can be set up to automatically ring the other phone or you could gi... | 1,760,372,688.113128 | ||
https://hackaday.com/2022/05/20/slow-races-on-a-pinewood-derby-track-built-from-scratch/ | Slow Races On A Pinewood Derby Track Built From Scratch | Lewin Day | [
"classic hacks",
"Toy Hacks"
] | [
"derby",
"pinewood derby",
"slow race"
] | Pinewood derby racing is a popular pastime for scouting groups and many others besides. [Mr Coster] whipped up his own track with the assistance of some 3D printed parts, and used it to run a competition
with a fun twist on the usual theme.
The track starts with a pair of MDF panels, on to which some strips are placed ... | 18 | 6 | [
{
"comment_id": "6476276",
"author": "psuedonymous",
"timestamp": "2022-05-20T15:06:35",
"content": "With foreknowledge of the criteria (perform slowest without halting, then fastest with modification but not replacement): you need a system with extreme damping but as minimal friction as possible. A... | 1,760,372,688.170718 | ||
https://hackaday.com/2022/05/20/this-week-in-security-iphone-unpowered-python-unsandboxed-and-wizard-spider-unmasked/ | This Week In Security: IPhone Unpowered, Python Unsandboxed, And Wizard Spider Unmasked | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"python",
"This Week in Security",
"WizardSpider"
] | As conspiracy theories go, one of the more plausible is that a cell phone could be running malicious firmware on its baseband processor, and be listening and transmitting data even when powered off. Nowadays, this sort of behavior is called a feature, at least if your phone is made by Apple, with their Find My function... | 14 | 6 | [
{
"comment_id": "6476261",
"author": "Joseph Eoff",
"timestamp": "2022-05-20T14:19:30",
"content": "“The solution is to either prompt the user for authorization before unlocking the vehicle, or embedding location information in the encrypted payload.”Or just use a freaking key, for Pete’s sake.All t... | 1,760,372,688.299868 | ||
https://hackaday.com/2022/05/20/portable-3d-printer-gets-even-smaller-faster-better/ | Portable 3D Printer Gets Even Smaller, Faster, Better | Dan Maloney | [
"3d Printer hacks"
] | [
"3d printer",
"compact",
"CoreXY",
"portable",
"positron printer"
] | How do you improve on a fast, capable 3D printer that sports an innovative design and is portable enough to fit in a printer spool box? Judging by what went into
the Positron V3 portable printer
, (video, embedded below) it takes a lot of hard work and an unwillingness to settle for compromise designs. Plus a few lucky... | 35 | 17 | [
{
"comment_id": "6476200",
"author": "Gregg Eshelman",
"timestamp": "2022-05-20T11:26:07",
"content": "How much? Take my $!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6476209",
"author": "sjm4306",
"timestamp": "2022-05-20T12:11:58",
... | 1,760,372,688.426658 | ||
https://hackaday.com/2022/05/25/homebrew-radio-telescope-bags-pulsar/ | Homebrew Radio Telescope Bags Pulsar | Dan Maloney | [
"Radio Hacks",
"Space"
] | [
"Camelopardalis",
"LNA",
"neutron star",
"Nooelec",
"PSR B0329+54",
"pulsar",
"Radio Astronomy",
"RTL-SDR",
"sdr"
] | When one mulls the possibility of detecting pulsars, to the degree that one does, thoughts turn to large dish antennas and rack upon rack of sensitive receivers, filters, and digital signal processors. But there’s more than one way to catch the regular radio bursts from these celestial beacons, and if you know what you... | 11 | 7 | [
{
"comment_id": "6477789",
"author": "Casual Observer",
"timestamp": "2022-05-25T11:39:55",
"content": "“the data is far from clear to the casual observer”. No kidding!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6477804",
"author": "Mo",
"timestamp... | 1,760,372,688.346488 | ||
https://hackaday.com/2022/05/25/long-distance-text-communication-with-lora/ | Long-Distance Text Communication With LoRa | Bryan Cockfield | [
"handhelds hacks",
"Wireless Hacks"
] | [
"blackberry",
"communications",
"keyboard",
"LoRa",
"Memory LCD",
"off grid",
"qwerty",
"radio",
"text",
"wireless"
] | Affordable and reliable cell phones have revolutionized the way we communicate over the last two decades or so, and this change was only accelerated by the adoption of the smartphone. This is all well and good if you’re living in a place with cellular infrastructure, but if you’re in more remote areas you’ll have to be... | 50 | 11 | [
{
"comment_id": "6477751",
"author": "70sJukebox",
"timestamp": "2022-05-25T08:13:37",
"content": "https://github.com/BigCorvus/LORA-QWERTY-Communicator/tree/main/Q10%20Lora%20Communicator/Arduino“The feather nrf52840 express bootloader needs to be flashed via a segger jlink and the Arduino IDE.”Tha... | 1,760,372,688.703739 | ||
https://hackaday.com/2022/05/24/hal-9000-becomes-a-helpful-voice-assistant/ | HAL 9000 Becomes A Helpful Voice Assistant | Lewin Day | [
"home hacks",
"Raspberry Pi"
] | [
"hal",
"hal 9000",
"hal9000"
] | There have been many robots and AIs in science fiction over the years, from
Astro Boy
to
Cortana,
or even Virgil for fans of the long-forgotten
Crash Zone.
However, all these pale into insignificance in front of the cold, uncaring persona of the HAL 9000. Thus, [Jürgen Pabel] thought the imposing AI
would make the perf... | 12 | 7 | [
{
"comment_id": "6477750",
"author": "Max",
"timestamp": "2022-05-25T08:05:40",
"content": "Nice!! I like the visuals on the eyeball!I am also building such a device – nonetheless, instead of a display, I use a High Power LED and as a lens I use a “Smartphone Wideangle” Extension Lens.Nice project :... | 1,760,372,688.751913 | ||
https://hackaday.com/2022/05/24/graphyne-finally-created/ | Graphyne Finally Created | Al Williams | [
"Science"
] | [
"graphene",
"graphyne",
"organic chemistry"
] | Before you jump down to the comments to chastise us for misspelling graphene, note that graphyne is similar to graphene but not the same. Like graphene, it is a two-dimensional structure of carbon. Unlike graphene, it contains double and triple bonds and does not always form hexagons. Scientists have postulated its exi... | 22 | 5 | [
{
"comment_id": "6477713",
"author": "Daniel Scott Matthews",
"timestamp": "2022-05-25T03:02:07",
"content": "This is just the beginning of an entirely new field of molecular construction. If you look at the work of Paul Harrison and you realise that the tiles can represent molecules then you can se... | 1,760,372,688.482553 | ||
https://hackaday.com/2022/05/24/3d-printing-fabrics-is-easier-than-you-think/ | 3D Printing Fabrics Is Easier Than You Think | Lewin Day | [
"3d Printer hacks"
] | [
"3d printing",
"fabric",
"textiles"
] | Conventional textiles made of woven threads are highly useful materials. [Sara Alvarez] has had some success
creating fabric-like materials through 3D printing
, and though they’re not identical, they have some similar properties that make them unique and useful.
Fabrics are made by the weaving or knitting together man... | 15 | 5 | [
{
"comment_id": "6477699",
"author": "Red",
"timestamp": "2022-05-25T00:42:09",
"content": "I’ve found that a simple 100% solid 0.1mm layer of 95A TPU printed on a textured bed, makes for a relatively fabric-like consistency, no slicing/gcode/geometry tricks needed.",
"parent_id": null,
"dep... | 1,760,372,688.807157 | ||
https://hackaday.com/2022/05/24/the-stm32-makes-for-a-cheap-diy-usb-soundcard/ | The STM32 Makes For A Cheap DIY USB Soundcard | Lewin Day | [
"Misc Hacks"
] | [
"green pill",
"sound card",
"stm32"
] | Soundcards used to be giant long 8-bit ISA things that would take up a huge amount of real estate inside a desktop computer. These days, for most of us, they’re baked into the motherboard and we barely give them a second thought. [Samsonov Dima] decided to whip up a cheap little sound card of their own, however,
built ... | 14 | 4 | [
{
"comment_id": "6477668",
"author": "NiHaoMike",
"timestamp": "2022-05-24T22:08:02",
"content": "Here’s a similar project based on a PIC32 that can do 24 bit at 96kHz:https://github.com/kiffie/usb-spdif",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6477672... | 1,760,372,688.862029 | ||
https://hackaday.com/2022/05/24/character-vfd-becomes-spectrum-analyzer/ | Character VFD Becomes Spectrum Analyzer | Lewin Day | [
"home entertainment hacks"
] | [
"audio visualizer",
"spectrum analyzer",
"visualizer"
] | These days, streaming services are a great way to listen to music or podcasts on your computer or on the go. However, they lack one feature of the MP3 players and streamers of old: visualizations! [mircemk] is a fan of those,
and has built a hardware spectrum analyzer that pumps with the music.
The build relies on a 20... | 7 | 5 | [
{
"comment_id": "6477667",
"author": "Val",
"timestamp": "2022-05-24T22:07:07",
"content": "Awesomeness!Very good idea to use text-only display for non-text-only purposes. Adding another item into my to-do list.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6... | 1,760,372,688.90574 | ||
https://hackaday.com/2022/05/19/water-your-plants-just-four-times-per-year/ | Water Your Plants Just Four Times Per Year | Kristina Panos | [
"Arduino Hacks",
"green hacks"
] | [
"arduino",
"automated plant care",
"automatic plant watering"
] | While it’s true that some plants thrive on neglect, many of them do just fine with a few ounces of water once a week, as long as the light level is right. But even that is plenty to remember and actually do in our unprecedented times, so why bother trying? [Martin] has solved this problem for us, having given every asp... | 20 | 8 | [
{
"comment_id": "6475714",
"author": "CRJEEA",
"timestamp": "2022-05-19T11:59:56",
"content": "It would be nice to have an appless version, imagine having an entire greenhouse full of these. Some sort of base station, that lets you map a specific pot to a physical location on a drawing of your setup... | 1,760,372,689.056997 | ||
https://hackaday.com/2022/05/19/engineering-vs-pigeons/ | Engineering Vs Pigeons | Al Williams | [
"home hacks"
] | [
"opencv",
"pigeon",
"water gun"
] | We’ve all been there. Pigeons are generally pretty innocuous, but they do leave a mess. If you have a convertible or a bicycle or even just a clean car, you probably don’t want them hanging around. [Max] was tired of a messy balcony, so like you might approach any engineering problem, he worked his way through several ... | 36 | 16 | [
{
"comment_id": "6475644",
"author": "Viktor",
"timestamp": "2022-05-19T08:17:44",
"content": "I always wondered how to blow up pigeons like in the movie, they are so irritating.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6475647",
"author": "Drunken+I... | 1,760,372,688.986897 | ||
https://hackaday.com/2022/05/18/defeat-your-cars-autostop-feature-with-a-little-switchbot/ | Defeat Your Car’s Autostop Feature With A Little SwitchBot | Lewin Day | [
"car hacks"
] | [
"auto-stop",
"autostop",
"car",
"switchbot"
] | These days, many new cars come with some variant of an “auto-stop” feature. This shuts down the car’s engine at stop lights and in other similar situations in order to save fuel and reduce emissions. Not everyone is a fan however, and [CGamer_OS] got sick of having to switch off the feature every time they got in the c... | 207 | 32 | [
{
"comment_id": "6475576",
"author": "Chris",
"timestamp": "2022-05-19T05:49:40",
"content": "okay, one simple question…. why would I disable this feature (other than when I am in a traffic stop-and-go traffic jam)?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,689.373136 | ||
https://hackaday.com/2022/05/18/one-coder-is-porting-portal-to-the-nintendo-64/ | One Coder Is PortingPortalTo The Nintendo 64 | Lewin Day | [
"Games",
"Software Hacks"
] | [
"game",
"nintendo 64",
"portal",
"recreation",
"valve"
] | When
Portal
came out in 2007, developers Valve chose not to release the groundbreaking title on an obsolete Nintendo console long out of production. Nobody cared at the time, of course, but [James Lambert] is here to right that wrong. Yes,
he’s porting
Portal
to the N64
.
The port, or “demake,” as [James] calls it, has... | 10 | 5 | [
{
"comment_id": "6475537",
"author": "come2",
"timestamp": "2022-05-19T02:33:43",
"content": "Demakes are popular and useful homebrew projects, and Portal is one of the best games ever made, hence this is really great",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,689.106504 | ||
https://hackaday.com/2022/05/18/midi-controller-looks-good-enables-your-air-guitar-habit/ | MIDI Controller Looks Good, Enables Your Air Guitar Habit | Al Williams | [
"Musical Hacks"
] | [
"guitar",
"midi",
"midi controller"
] | We all want to be guitar heroes, but most of us have to settle for letting a MIDI board play our riffs using a MIDI controller. [Joris] thinks a MIDI controller should look like a cool instrument and thus the
Ni28
was born. Honestly, we first thought we were looking at wall art, but on closer look, you can see the fret... | 8 | 5 | [
{
"comment_id": "6475525",
"author": "joriswegner",
"timestamp": "2022-05-19T01:40:15",
"content": "Thanks for the article! Since some people asked I decided to publish the Kicad files for my prototype even though I shelved the project: hackaday.io/project/185427-ni28-electronic-midi-guitar",
"p... | 1,760,372,689.421494 | ||
https://hackaday.com/2022/05/18/3d-printed-linear-actuator-is-cheap-and-strong/ | 3D Printed Linear Actuator Is Cheap And Strong | Lewin Day | [
"3d Printer hacks"
] | [
"linear actuator"
] | Motors are all well and good for moving things, but they’re all about the
round-and-round.
Sometimes, you need to move something back and forth, and for that a linear actuator will do the trick. While they can be readily sourced for under $50 online, [Michael Rechtin] genuinely felt like reinventing the wheel, and mana... | 29 | 4 | [
{
"comment_id": "6475445",
"author": "infrared",
"timestamp": "2022-05-18T20:59:18",
"content": "Now for some hazardous environment testing. I bet they wont live up in 200 deg F heat. Also probably wont live in a high nox environment",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,689.493639 | ||
https://hackaday.com/2022/05/18/hackaday-prize-2022-recycled-tire-table-is-where-the-rubber-meets-the-road/ | Hackaday Prize 2022: Recycled Tire Table Is Where The Rubber Meets The Road | Kristina Panos | [
"green hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"furniture",
"jute",
"recycling",
"tire"
] | The problem with good inventions is that we usually end up with way too many of that particular widget lying around, which can cause all kinds of problems. Take the car tire, for instance. They were a great invention that helped spell the end of buggy whips and broken wagon wheels. But there are so many used-up tires a... | 43 | 11 | [
{
"comment_id": "6475393",
"author": "Max S.",
"timestamp": "2022-05-18T18:43:30",
"content": "Rules for commenting: please be kind and respectful …Let’s just say you can’t make a silk purse out of a soy’s ear.…. and what happens to the “smell” of the tire?",
"parent_id": null,
"depth": 1,
... | 1,760,372,689.669005 | ||
https://hackaday.com/2022/05/18/the-little-big-dogs-of-invention/ | The Little Big Dogs Of Invention | Al Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"innovation",
"Rant"
] | This is a story about two dogs I know. It is also a story of the U.S. Navy, aviation, and nuclear weapons. Sometimes it is easy to see things in dogs or other people, but hard to see those same things in ourselves. It’s a good thing that dogs can’t read (that we know of) because this is a bit of an embarrassing story f... | 53 | 17 | [
{
"comment_id": "6475363",
"author": "That kid",
"timestamp": "2022-05-18T17:08:38",
"content": "Bravo!!!Excellent story, very uplifting!!!Needed this today!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6475364",
"author": "The Commenter Formerly Known... | 1,760,372,689.764823 | ||
https://hackaday.com/2022/05/18/practice-your-shopping-skills-with-this-self-service-checkout-game/ | Practice Your Shopping Skills With This Self-Service Checkout Game | Robin Kearey | [
"Games"
] | [
"barcode scanner",
"self-checkout",
"self-service checkout"
] | Self-service checkouts have become a common feature in supermarkets the world over, a trend accelerated by the coronavirus pandemic. While some may lament the loss of human contact, others relish the opportunity to do their own scanning: with a bit of practice, self-service can provide for a very fast checkout experien... | 13 | 10 | [
{
"comment_id": "6475318",
"author": "Max S.",
"timestamp": "2022-05-18T15:38:15",
"content": "What a fun idea … looks like people are enjoying it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6475322",
"author": "Viktor",
"timestamp": "2022-05-18T15... | 1,760,372,689.963011 | ||
https://hackaday.com/2022/05/18/natural-language-ai-in-your-next-project-its-easier-than-you-think/ | Natural Language AI In Your Next Project? It’s Easier Than You Think | Donald Papp | [
"Artificial Intelligence",
"Featured",
"Interest",
"Skills",
"Slider"
] | [
"ai",
"GPT-3",
"machine learning",
"natural language",
"openai"
] | Want your next project to trash talk? Dynamically rewrite boring log messages as sci-fi technobabble? Happily (or grudgingly) answer questions? Doing that sort of thing and more can be done with
OpenAI’s GPT-3
, a natural language prediction model with an API that is probably a lot easier to use than you might think.
I... | 25 | 11 | [
{
"comment_id": "6475296",
"author": "Jeremy",
"timestamp": "2022-05-18T14:06:53",
"content": "It is worth noting that, although it is significantly less advanced, one can download and run GPT-2 (the predecessor to GPT-3) locally. There are many helpful guides on the internet.",
"parent_id": nul... | 1,760,372,689.83258 | ||
https://hackaday.com/2022/05/18/sunrise-keyboard-looks-the-part/ | Sunrise Keyboard Looks The Part | Lewin Day | [
"Peripherals Hacks"
] | [
"custom keyboard",
"Elite-C",
"keyboard"
] | If you’ve been to a bar sometime since the 1930s, you’ve probably spied someone drinking a Tequila Sunrise. It’s a drink that mimics the beautiful colors of the dawn. In much the same way, so does
this Sunriser keyboard build from [crashl1445].
Built for a high-school engineering project, the build looks resplendent wi... | 9 | 4 | [
{
"comment_id": "6475234",
"author": "not",
"timestamp": "2022-05-18T11:11:07",
"content": "Mee. I want a full-LCD mechanical display (in the stlyle ofhttps://www.artlebedev.com/optimus/popularis/but affordable) because I´m fed up to try to remember several keyboard layouts for different languages, ... | 1,760,372,689.877364 | ||
https://hackaday.com/2022/05/18/coloring-computer-needs-no-batteries/ | Color(ing) Computer Needs No Batteries | Al Williams | [
"Misc Hacks"
] | [
"coloring",
"educational"
] | While Radio Shack did have the Color Computer, we don’t think they had this in mind. [Pepepépepe] has some coloring book pages and simple rules that let you
simulate logic circuits using a crayon
. The downloadable ‘zine has hand-written instructions and several examples.
Keep in mind, this is a computer in the same wa... | 3 | 3 | [
{
"comment_id": "6475248",
"author": "Justin",
"timestamp": "2022-05-18T12:22:28",
"content": "I love it. Although I was a little confused about the Yes/No answer. It took me a minute to figure out that “highlighted” meant whichever word was different from the background color. In the picture abo... | 1,760,372,689.913178 | ||
https://hackaday.com/2022/05/17/how-the-ibm-pc-went-8-bit/ | How The IBM PC Went 8-Bit | Al Williams | [
"Retrocomputing"
] | [
"8088",
"IBM PC",
"intel"
] | If you were around when the IBM PC rolled out, two things probably caught you by surprise. One is that the company that made the Selectric put that ridiculous keyboard on it. The other was that it had an 8-bit CPU onboard. It was actually even stranger than that. The PC sported an 8088 which was a 16-bit 8086 stripped... | 52 | 9 | [
{
"comment_id": "6475124",
"author": "Michael Black",
"timestamp": "2022-05-18T05:44:44",
"content": "The 8088 is 16bit, same as the 8086. Just because it had an 8bit databus doesn’t change that. The 68008 was the same.The story I always heard, and I remember when it came along, was that memory wa... | 1,760,372,690.049905 | ||
https://hackaday.com/2022/05/17/book-teaches-gaming-math/ | Book Teaches Gaming Math | Al Williams | [
"Games"
] | [
"book",
"graphics",
"math",
"video games"
] | If we knew how much math goes into writing a video game, we might have paid more attention in math class. If you need a refresher, [Fletcher Dunn] and [Ian Parbery] have their book “3D Math Primer for Graphics and Game Development”
available free online
. The book was originally a paper book from 2011 with a 2002 first... | 13 | 6 | [
{
"comment_id": "6475082",
"author": "Blue Shrimp",
"timestamp": "2022-05-18T03:00:22",
"content": "What a surprise this is!I had to do some 3D computation work ~13 years ago and this was one of the books I used back then. Have very fond memories of it, time to grab a copy and see what’s new!",
... | 1,760,372,690.095368 | ||
https://hackaday.com/2022/05/17/falling-down-the-labyrinth-with-wooden-microphone-design/ | Falling Down The Labyrinth With Wooden Microphone Design | Dan Maloney | [
"Misc Hacks"
] | [
"cyanoacrylate",
"labyrinth",
"microphone",
"Model 77",
"neodymium",
"ribbon",
"veneer",
"wood"
] | It used to be that when we featured one of [Frank Olson]’s DIY ribbon microphone builds, it was natural to focus on the fact that he was building them almost exclusively from wood. But despite how counterintuitive it may seem, and for as many comments as we get that his microphones shouldn’t work without metal in the r... | 7 | 3 | [
{
"comment_id": "6475043",
"author": "just passing",
"timestamp": "2022-05-17T23:37:57",
"content": "Trypophobia warning, please! *cringe*",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6475263",
"author": "limroh",
"timestamp": "2022-05-18T1... | 1,760,372,690.211552 | ||
https://hackaday.com/2022/05/17/nanovolt-meter-requires-careful-design-for-accuracys-sake/ | Nanovolt Meter Requires Careful Design For Accuracy’s Sake | Lewin Day | [
"Tool Hacks"
] | [
"nanovoltmeter",
"noise",
"voltmeter"
] | Measuring voltages is fairly straightforward most of the time. Simply grab any old cheap multimeter, hook up the probes, and read off the answer. If, however, you need to measure very tiny voltages, the problem gets more complex.
[Jaromir-Sukuba] designed a nanovoltmeter specifically to deal with this difficult case.
T... | 25 | 6 | [
{
"comment_id": "6474963",
"author": "Manawyrm",
"timestamp": "2022-05-17T21:09:56",
"content": "That GitHub page was a fantastic read! Highly recommended.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6474986",
"author": "Ostracus",
"timestamp": "202... | 1,760,372,690.280015 | ||
https://hackaday.com/2022/05/17/when-hams-helped-polar-researchers-come-in-from-the-cold/ | When Hams Helped Polar Researchers Come In From The Cold | Al Williams | [
"History",
"Radio Hacks"
] | [
"antarctica",
"ham radio",
"IGY"
] | We always enjoy [The History Guy] videos, although many of them aren’t much about technology. However, when he does cover tech topics, he does it well and his recent video on how ham radio operators
assisted in operation Deep Freeze
is a great example. You can watch the video, below.
The backdrop is the International G... | 26 | 12 | [
{
"comment_id": "6474923",
"author": "Michael Black",
"timestamp": "2022-05-17T19:25:14",
"content": "But it continued. Thefirst ham magazineI ever saw, QST for April 1971, had a ham in Antarctica on the cover. He’d done so many phone patches that they gave him a trip down there to see things.Whe... | 1,760,372,690.346182 | ||
https://hackaday.com/2022/05/17/kindle-epub-and-amazons-love-of-reinventing-wheels/ | Kindle, EPUB, And Amazon’s Love Of Reinventing Wheels | Tom Nardi | [
"Featured",
"History",
"Kindle hacks",
"Slider"
] | [
"amazon",
"ebook",
"ereader",
"file format",
"kindle"
] | Last last month, a post from the relatively obscure
Good e-Reader
claimed that
Amazon would finally allow the Kindle to read EPUB files
. The story was picked up by all the major tech sites, and for a time, there was much rejoicing. After all, it was a feature that owners have been asking for since the Kindle was first... | 48 | 20 | [
{
"comment_id": "6474894",
"author": "Urgon",
"timestamp": "2022-05-17T18:20:08",
"content": "When I’ve got my first smartphone, Nokia E50, I used program called Mobipocket Reader, and PC software, Mobipocket Creator to create some .prc ebooks. I also used this on my next phone, HTC S740, but after ... | 1,760,372,690.641414 | ||
https://hackaday.com/2022/05/17/led-backlight-brings-vibrant-colors-to-classic-palm-pdas/ | LED Backlight Brings Vibrant Colors To Classic Palm PDAs | Robin Kearey | [
"handhelds hacks",
"Retrocomputing"
] | [
"backlight",
"led backlight",
"palm",
"palm iiic"
] | Back in the days before the widespread adoption of smartphones, Palm was the market leader in PDAs. If you had one of those you’ll probably remember taking notes by writing those funky “Graffiti” characters and tapping your stylus onto, usually, a green monochrome screen. Some models even came with a battery-hungry bac... | 10 | 5 | [
{
"comment_id": "6474853",
"author": "Michael Black",
"timestamp": "2022-05-17T15:46:36",
"content": "They have backlights? I think I missed that.I’ve been pondering adding an LED or two to a portable CD player, since the small readout is hard to read withkut a flashlight.",
"parent_id": null,
... | 1,760,372,690.497112 | ||
https://hackaday.com/2022/05/17/things-are-getting-rusty-in-kernel-land/ | Things Are Getting Rusty In Kernel Land | Jonathan Bennett | [
"Current Events",
"Linux Hacks",
"Original Art",
"Software Hacks"
] | [
"c++",
"linux",
"rust"
] | There is gathering momentum around the idea of adding Rust to the Linux kernel. Why exactly is that a big deal, and what does this mean for the rest of us? The Linux kernel has been just C and assembly for its entire lifetime. A big project like the kernel has a great deal of shared tooling around making its languages ... | 163 | 22 | [
{
"comment_id": "6474835",
"author": "Dude",
"timestamp": "2022-05-17T14:50:32",
"content": ">cursed code like …Why would you even write code like that? It looks like someone’s just trying to be too clever for no reason.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,691.074827 | ||
https://hackaday.com/2022/05/17/transparent-framedeck-is-clearly-capable/ | Transparent Framedeck Is Clearly Capable | Kristina Panos | [
"Cyberdecks"
] | [
"acrylic",
"custom keyboard",
"Elite-C",
"framework",
"Framework laptop"
] | When the universe tells you to build a cyberdeck, then build a cyberdeck you must. The lucky [Richard Sutherland] got an email from user-serviceable laptop purveyors Framework about the availability of their main board for use as a single-board computer. They agreed to send him a laptop and some extra modules as long a... | 15 | 5 | [
{
"comment_id": "6474738",
"author": "IIVQ",
"timestamp": "2022-05-17T11:13:12",
"content": "I am always a bit wary of acrylic as it is (or I percieve it as) more brittle than ABS or other common enclosure plastics.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,690.798833 | ||
https://hackaday.com/2022/05/17/building-petahertz-logic-with-lasers-and-graphene/ | Building Petahertz Logic With Lasers And Graphene | Al Williams | [
"Laser Hacks",
"Science"
] | [
"graphene",
"laser"
] | There was a time when we thought a 50 MHz 486 was something to get excited about. In comparison, the computer this post was written on clocks in at about 3.8 GHz, which these days, isn’t an especially fast machine. But researchers at the University of Rochester and the Friedrich-Alexander-Universität Erlangen-Nürnberg... | 19 | 7 | [
{
"comment_id": "6474667",
"author": "spiritplumber",
"timestamp": "2022-05-17T08:35:10",
"content": "https://paeantosmac.wordpress.com/2015/08/13/technology-optical-computers/I wonder what this will allow… very simple, very fast PD controllers that don’t need the integral term because they react ju... | 1,760,372,690.548931 | ||
https://hackaday.com/2022/05/16/repairing-an-hdmi-adapter-doesnt-go-so-well/ | Repairing An HDMI Adapter Doesn’t Go So Well | Al Williams | [
"Repair Hacks",
"Retrocomputing"
] | [
"hdmi",
"repair",
"retrocomputing"
] | [Adrian] has a lot of retrocomputers, so he uses an RGB to HDMI converter to drive modern monitors. In particular, he has a box that uses a programmable logic chip to read various RGB signals and ships them to a Raspberry Pi Zero to drive the HDMI output. Sounds great until, of course,
something goes wrong
.
A converte... | 27 | 8 | [
{
"comment_id": "6474578",
"author": "SteveS",
"timestamp": "2022-05-17T06:08:54",
"content": "ChipQuik is your friendJust be make sure to get it *all* off the board before you put down the new part",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6474586",
... | 1,760,372,690.858581 | ||
https://hackaday.com/2022/05/16/can-you-hear-me-now-lunar-edition/ | Can You Hear Me Now? Lunar Edition | Al Williams | [
"Space"
] | [
"apollo",
"ken shirriff",
"space"
] | Despite what it looks like in the movies, it is hard to communicate with astronauts from Earth. There are delays, and space vehicles don’t usually have a lot of excess power. Plus everything is moving and Doppler shifting and Faraday rotating. Even today, it is tricky. But how did Apollo manage to send back TV, telemet... | 9 | 3 | [
{
"comment_id": "6474729",
"author": "BT",
"timestamp": "2022-05-17T10:57:21",
"content": "Not for the first time I am left in awe that they managed to get everything working, and keep it working.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6474742",
... | 1,760,372,692.711207 | ||
https://hackaday.com/2022/05/16/network-time-protocol-on-the-esp32/ | Network Time Protocol On The ESP32 | Bryan Cockfield | [
"Microcontrollers"
] | [
"clock",
"ESP32",
"internet",
"library",
"microcontroller",
"micropython",
"network time",
"ntp",
"python",
"time"
] | Network Time Protocol (NTP) is one of the best ways to keep networked computers synchronized to the same time. It’s simple, lightweight, and not only allows computers to maintain a time standard together, but it also allows some computer manufacturers to save some money on hardware costs. The Raspberry Pi is perhaps th... | 29 | 14 | [
{
"comment_id": "6474253",
"author": "Bruce Perens",
"timestamp": "2022-05-16T23:15:12",
"content": "I have an ESP-32 SSNTP implementation as part of Generic Main for esp-idf, athttps://github.com/BrucePerens/rigcontrol/tree/main/components/generic_main. This sets the time and you can set the timezo... | 1,760,372,693.432597 | ||
https://hackaday.com/2022/05/16/gaming-mouse-becomes-digital-camera/ | Gaming Mouse Becomes Digital Camera | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"camera",
"g402",
"gaming",
"gui",
"image",
"linux",
"logitech",
"mouse",
"stm32"
] | Ever since the world decided to transition from mechanical ball mice to optical mice, we have been blessed with computer pointing devices that don’t need regular cleaning and have much better performance than their ancestors. They do this by using what is essentially a tiny digital camera to monitor changes in motion. ... | 15 | 7 | [
{
"comment_id": "6474174",
"author": "CRJEEA",
"timestamp": "2022-05-16T21:40:34",
"content": "There are programs floating around the internet that let you see the raw image from optical mice. They make interesting random number generators, not to mention text readers. Stitch all the images together... | 1,760,372,692.662076 | ||
https://hackaday.com/2022/05/16/asahi-gpu-hacking/ | Asahi GPU Hacking | Jonathan Bennett | [
"computer hacks",
"Linux Hacks",
"News"
] | [
"asahi",
"gpu",
"Mesa"
] | [Alyssa Rosenzweig] has been tirelessly working on reverse engineering the GPU built into Apple’s M1 architecture as part of the Asahi Linux effort. If you’re not familiar, that’s the project adding support to the Linux kernel and userspace for the Apple M1 line of products. She has made great progress, and even got pr... | 7 | 3 | [
{
"comment_id": "6474086",
"author": "CityZen",
"timestamp": "2022-05-16T19:37:26",
"content": "The explanation seems a bit lacking.It sounds like the M1 is a primitive binning (aka “tiled”) architecture with an on-chip tile buffer. In a “regular” rendering pipeline, each primitive is processed ful... | 1,760,372,692.61409 | ||
https://hackaday.com/2022/05/16/striping-a-disk-drive-the-1970-way/ | Striping A Disk Drive The 1970 Way | Al Williams | [
"Hackaday Columns",
"Retrocomputing",
"Slider"
] | [
"ibm",
"mainframe",
"retrocomputing"
] | These days, mass storage for computers is pretty simple. It either uses a rotating disk or else it is solid state. There are a few holdouts using tape, too, but compared to how much there used to be, tape is all but dead. But it wasn’t that long ago that there were many kinds of mass storage. Tapes, disks, drums, punch... | 38 | 15 | [
{
"comment_id": "6473969",
"author": "johnkabat",
"timestamp": "2022-05-16T17:14:14",
"content": "Ahah, the fun when putting the strip back and the drum moved. Instant crepe paper!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6474048",
"author": "Jerry",... | 1,760,372,693.30516 | ||
https://hackaday.com/2022/05/16/the-hair-dryer-monitor-fix/ | The Hair Dryer Monitor Fix | Al Williams | [
"Repair Hacks"
] | [
"ldo regulator",
"repair"
] | [Johnny] had a monitor that he was particularly fond of. The whole monitor appeared dead, and he decided to open it up and find out what could be wrong. He wound up fixing it — sort of —
using a hairdryer
. While we think his explanation of the problem is unlikely, we hate to armchair quarterback, and we applaud that h... | 52 | 15 | [
{
"comment_id": "6473882",
"author": "Toasts",
"timestamp": "2022-05-16T15:23:35",
"content": "Not the same issue, but I once fixed a dead monitor by putting the logic plate on a toast oven. I figured that the problem were some brittle solder joints somewhere on the board, so I cranked up the temper... | 1,760,372,693.102708 | ||
https://hackaday.com/2022/05/16/silence-of-the-ipods-reflecting-on-the-ever-shifting-landscape-of-personal-media-consumption/ | Silence Of The IPods: Reflecting On The Ever-Shifting Landscape Of Personal Media Consumption | Maya Posch | [
"Featured",
"Interest",
"ipod hacks",
"Original Art",
"Slider"
] | [
"ipod",
"personal media player",
"pmp"
] | On October 23rd of 2001, the first Apple iPod was launched. It wasn’t the first Personal Media Player (PMP), but as with many things Apple the iPod would go on to provide the benchmark for what a PMP should do, as well as what they should look like. While few today remember the PMP trailblazers like
Diamond’s Rio devic... | 71 | 16 | [
{
"comment_id": "6473850",
"author": "Jerry",
"timestamp": "2022-05-16T14:19:57",
"content": "It was not THAT long ago, while at C.E.S. in Las Vegas, I won an iPod in a drawing.After I got home, I realized it was already “Out Of Date”.I did load a few songs on it, and threw it in the drawer.Never di... | 1,760,372,693.012914 | ||
https://hackaday.com/2022/05/16/learn-by-doing-turn-your-garage-into-your-perfect-workspace/ | Learn By Doing: Turn Your Garage Into Your Perfect Workspace | Dave Rowntree | [
"home hacks",
"how-to"
] | [
"building",
"diy",
"garage",
"workspace"
] | Plenty of potential, but a cozy hacking space it is not
To us hackers and makers, the tools of our trade are often as important and interesting as the details of the hacks themselves, but what about the most important tool of all — the very space you use to make your magic happen? That may be your bedroom, a nearby hac... | 32 | 7 | [
{
"comment_id": "6473788",
"author": "not",
"timestamp": "2022-05-16T11:39:49",
"content": "First time is see that plastering whole drywall panels is a thing. In my eyes totally unnecessary, it´s enough to plaster the joints between the panels, and screws heads.",
"parent_id": null,
"depth":... | 1,760,372,692.789452 | ||
https://hackaday.com/2022/05/16/lawn-mower-carburetor-improves-mileage-on-old-sedan/ | Lawn Mower Carburetor Improves Mileage On Old Sedan | Bryan Cockfield | [
"Transportation Hacks"
] | [
"carburetor",
"efficiency",
"engine",
"ford",
"fuel",
"lawn mower",
"Maverick",
"mileage"
] | Before the Ford marketing department started slapping Maverick badges on pickup trucks, the name had been attached to compact cars from the 70s instead. These were cheap even by Ford standards, and were built as a desperate attempt to keep up with Japanese imports that were typically higher quality and more efficient t... | 71 | 20 | [
{
"comment_id": "6473735",
"author": "bob",
"timestamp": "2022-05-16T08:23:02",
"content": "I think this was posted already a few weeks ago. the comments were largely critical of the hack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6474825",
"aut... | 1,760,372,692.900097 | ||
https://hackaday.com/2022/05/15/3d-printing-hack-leverages-vase-mode-structurally/ | 3D Printing Hack Leverages Vase Mode Structurally | Dave Rowntree | [
"3d Printer hacks"
] | [
"3d printing",
"structural",
"supporting ribs",
"vase mode"
] | Conceptually, FDM 3D printing is quite a simple process: you define a set of volumes in 3D space, then the slicing software takes a cut through the model at ever-increasing heights, works out where the inner and outer walls are, and then fills in the inside volume sparsely in order to tie the walls together and support... | 25 | 14 | [
{
"comment_id": "6473697",
"author": "CityZen",
"timestamp": "2022-05-16T05:56:43",
"content": "You left out a key detail to understanding how it can print this in vase mode: one of the ribs is “open” on both sides, meaning that the outside and inside are connected together there (and only there). ... | 1,760,372,693.37085 | ||
https://hackaday.com/2022/05/15/light-whiskers-from-soap-bubbles-is-real-science/ | Light Whiskers From Soap Bubbles Is Real Science | Al Williams | [
"Laser Hacks",
"Science"
] | [
"branched flow",
"bubble",
"laser",
"light whiskers"
] | You might think that anything to do with a soap bubble is for kids. But it turns out that observing light scattering through a soap bubble produces unexpected results that may lead to insights into concepts as complex as space-time curvature. That’s what [stoppi] says in his latest experiment —
generating “light whiske... | 8 | 5 | [
{
"comment_id": "6473632",
"author": "RW ver 0.0.3",
"timestamp": "2022-05-16T02:19:18",
"content": "Interesting… I suspected something was going on with soap bubbles due to seeing the swirling irridescence in them, kinda points to prismic structures in the soap film moving around, microturbulence o... | 1,760,372,693.52194 | ||
https://hackaday.com/2022/05/15/hackaday-links-may-15-2022/ | Hackaday Links: May 15, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ar",
"astronomy",
"barrel",
"black hole",
"canada",
"copperage",
"hackaday links",
"haptic",
"lips",
"M87*",
"milky way",
"mouth",
"phased array",
"Sgr A*",
"space law",
"ultrasound",
"vr"
] | It may be blurry and blotchy, but it’s ours.
The first images of the supermassive black hole at the center of the Milky Way galaxy
were revealed this week, and they caused quite a stir. You may recall the first images of the supermassive black hole at the center of the M87 galaxy from a couple of years ago: spectacular... | 7 | 6 | [
{
"comment_id": "6473581",
"author": "Hirudinea",
"timestamp": "2022-05-15T23:44:55",
"content": "Of course you have to have wooden barrels for aging, that’s where the taste comes from! No barrels and we’d all be drink vodka.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,372,693.480571 | ||
https://hackaday.com/2022/05/15/computer-thing-might-be-garbage/ | Computer Thing Might Be Garbage | Al Williams | [
"Retrocomputing"
] | [
"TV Typewriter"
] | [Tech Time Traveller] has a lot of voices in his head this week, and most of them are worried about his wife’s reaction to him
buying other people’s garbage
. We don’t blame him, though. He bought it from an estate sale and it was billed as a TV typewriter. The device looked completely homebrewed from somewhere around ... | 9 | 5 | [
{
"comment_id": "6473521",
"author": "Tom Brusehaver",
"timestamp": "2022-05-15T20:04:36",
"content": "This isn’t the Don Lancaster tvt-2.2 friends and I built one in high school. It was working last I saw it. It was on a SWTP 6800 though.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,694.010497 | ||
https://hackaday.com/2022/05/15/vicious-little-desktop-shredder-pulverizes-plastic-waste/ | Vicious Little Desktop Shredder Pulverizes Plastic Waste | Dan Maloney | [
"green hacks",
"Misc Hacks"
] | [
"nema-34",
"plastic",
"recycle",
"shredder",
"shredding"
] | We’ve all likely seen video of the enormous industrial shredders that eat engine blocks for lunch and spit out a stream of fine metal chips. The raw power of these metal-munching monsters is truly fearsome, and they appear to be the inspiration for
SHREDII, the miniature plastic shredder
for at-home recycling of plasti... | 21 | 6 | [
{
"comment_id": "6473499",
"author": "RW ver 0.0.3",
"timestamp": "2022-05-15T17:43:16",
"content": "Neat…. Is it wide enough for secure media destruction also, like burned CDs and DVDs? Or does it need a few more layers of teeth?I am interested also in the PET bottle munching abilities to turn wast... | 1,760,372,694.066279 | ||
https://hackaday.com/2022/05/15/e-paper-clock-displays-things-in-a-battery-friendly-manner/ | E-Paper Clock Displays Things In A Battery-Friendly Manner | Lewin Day | [
"clock hacks"
] | [
"clock",
"e-paper",
"e-paper display",
"epaper",
"gps"
] | Clock builds are a hacker staple, and many overflow with power-thirsty LEDs and network features. This build from [mattwach] takes quite the opposite approach,
sipping away at its batteries thanks to an e-paper based design.
The build relies on a small Waveshare e-paper module which only requires power when the display... | 20 | 9 | [
{
"comment_id": "6473460",
"author": "RW ver 0.0.3",
"timestamp": "2022-05-15T14:15:19",
"content": "May as well give it solar cells since it probably needs to be near a window to receive GPS signals, unless it has remote antenna.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,694.186094 | ||
https://hackaday.com/2022/05/15/upcycling-a-flat-bed-scanner/ | Upcycling A Flat Bed Scanner | Al Williams | [
"Misc Hacks"
] | [
"flatbed scanner",
"light table",
"upcycle"
] | [Piffpaffpoltrie] had a 20-year-old Acer flatbed scanner that they just couldn’t justify keeping. But it does seem a shame to throw away a working piece of gear. Instead, the old scanner
became a light table
. We’ll admit, as projects go, it isn’t the most technically sophisticated thing we’ve ever seen, but we do thin... | 34 | 11 | [
{
"comment_id": "6473443",
"author": "then",
"timestamp": "2022-05-15T13:17:02",
"content": "Downcycling?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6473451",
"author": "Jan",
"timestamp": "2022-05-15T14:03:19",
"content": "A simi... | 1,760,372,693.967826 | ||
https://hackaday.com/2022/05/15/the-explosive-art-of-detonographs/ | The Explosive Art Of Detonographs | Lewin Day | [
"Art"
] | [
"art",
"explosion",
"explosives"
] | The visual arts are a broad field, encompassing everything from the chiselling of marble sculptures to the creation of delicate landscapes in charcoal on paper. However, [Evelyn Rosenberg] has experimented with some altogether more radical techniques over the years,
creating her explosively-formed detonographs.
The pro... | 6 | 5 | [
{
"comment_id": "6473428",
"author": "Holger Wuppermann",
"timestamp": "2022-05-15T12:07:17",
"content": "Don´t try this at home*gg*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6473480",
"author": "Dude",
"timestamp": "2022-05-15T16:05:06",
"con... | 1,760,372,693.896917 | ||
https://hackaday.com/2022/05/14/running-arm-chips-on-algae-power/ | Running ARM Chips On Algae Power | Al Williams | [
"green hacks",
"Science"
] | [
"algae",
"photosynthesis"
] | What’s the size of an AA battery and can run an ARM Cortex M0+ for six months? Well… probably an AA battery, but obviously, that wouldn’t be worth mentioning. But researchers at Cambridge have
built a cell of blue-green algae
that can do the job.
As you might expect, the algae need light, since they generate energy thr... | 17 | 7 | [
{
"comment_id": "6473373",
"author": "Fungus",
"timestamp": "2022-05-15T08:12:47",
"content": "At the power consumption of this chip an AA battery would certainly power it for a year.I’ve built Arduino projects (with a Pro Mini) that run for over five years on a single coin cell.",
"parent_id": ... | 1,760,372,694.123998 | ||
https://hackaday.com/2022/05/14/balloon-guitar-is-an-absolute-gas-helium-or-not/ | Balloon Guitar Is An Absolute Gas, Helium Or Not | Lewin Day | [
"Musical Hacks",
"Science"
] | [
"guitar",
"helium"
] | Guitars are most typically built out of wood. Whether it’s an acoustic guitar with a big open cavity, or a solid-body electric, there’s generally a whole lot of wood used in the construction. However, [Mattias Krantz] shows us that alternative construction methods are entirely possible, by
building his own balloon guit... | 10 | 7 | [
{
"comment_id": "6473330",
"author": "RW ver 0.0.1",
"timestamp": "2022-05-15T02:45:12",
"content": "Ppl: “You can’t make music out of a bag of breath”Scotsman: “You wannae bet laddie?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6473387",
"author... | 1,760,372,694.395282 | ||
https://hackaday.com/2022/05/14/minidisc-player-supports-full-data-transfer/ | MiniDisc Player Supports Full Data Transfer | Bryan Cockfield | [
"classic hacks",
"Musical Hacks"
] | [
"buffer",
"digital",
"download",
"dram",
"minidisc",
"music",
"netmd",
"rh-1",
"sony",
"transfer",
"usb"
] | Between the era of the CD and the eventual rise and domination of streaming music platforms, there was a limbo period of random MP3 players mixed in with the ubiquitous (and now officially discontinued) iPod. In certain areas, though, the digital music player of choice was the MiniDisc, a miniature re-writable CD playe... | 28 | 14 | [
{
"comment_id": "6473301",
"author": "RW ver 0.0.1",
"timestamp": "2022-05-15T01:02:22",
"content": "Sony lawsuit in 5..4..3..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6473302",
"author": "Michael Black",
"timestamp": "2022-05-15T01:13:... | 1,760,372,694.352463 | ||
https://hackaday.com/2022/05/14/attack-of-the-magnetic-slime-robots/ | Attack Of The Magnetic Slime Robots | Anne Ogborn | [
"Robots Hacks"
] | [
"magnetic robot",
"neodymium",
"non-Newtonian",
"slime"
] | [Li Zhang] and his colleagues at the Chinese University of Hong Kong (CUHK) have developed a blob of goo that can navigate complex surroundings, grow an ‘arm’, grasp a wire and move it, encapsulate a small object and carry it.
As explained in the research paper
, the secret is in the non-Newtonian material the bots are... | 6 | 5 | [
{
"comment_id": "6473232",
"author": "MoTLD",
"timestamp": "2022-05-14T20:40:22",
"content": "‘usually called “slime”’Isn’t corn starch and water more usually called “oobleck”? The non-newtonian fluid I’ve heard commonly called “slime” is something else entirely.Anyway, non-newtonian ferrofluid is p... | 1,760,372,694.23186 | ||
https://hackaday.com/2022/05/14/taptype-ai-assisted-hand-motion-tracking-using-only-accelerometers/ | TapType: AI-Assisted Hand Motion Tracking Using Only Accelerometers | Dave Rowntree | [
"Machine Learning",
"Wearable Hacks"
] | [
"accelerometer",
"ai",
"bayesian classifier",
"bluetooth low energy",
"machine learning",
"predictive text",
"text input"
] | The team from the Sensing, Interaction & Perception Lab at ETH Zürich, Switzerland have come up with
TapType, an interesting text input method
that relies purely on a pair of wrist-worn devices, that sense acceleration values when the wearer types on any old surface. By feeding the acceleration values from a pair of se... | 16 | 9 | [
{
"comment_id": "6473193",
"author": "Bruce Perens K6BP",
"timestamp": "2022-05-14T17:48:25",
"content": "There is already a commercial product like this. See it on Amazon:https://www.amazon.com/gp/product/B09C2K7L73I have one. It works pretty well.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,694.291681 | ||
https://hackaday.com/2022/05/14/who-is-thinking-about-open-source-firmware/ | Who Is Thinking About Open Source Firmware? | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"firmware",
"open source",
"software"
] | Yesterday, we ran a post on
NVIDIA’s announcement of open-source drivers
for some of its most recent video cards. And Hackaday being
huge
proponents of open-source software and hardware, you’d think we’d be pouring the champagne. But it’s trickier than that.
Part of the reason that they are able to publish a completely... | 23 | 10 | [
{
"comment_id": "6473130",
"author": "Steven4601",
"timestamp": "2022-05-14T15:57:09",
"content": "My guess is : No Chance.As they need to disclose the detailed operation of pipelines and cores.Closed source firmware may be a requirement for commercial rivalry & marketing flexibility. (think of dies... | 1,760,372,694.512085 | ||
https://hackaday.com/2022/05/14/electronics-and-c-education-with-an-attiny13/ | Electronics And C++ Education With An ATTiny13 | Arya Voronova | [
"ATtiny Hacks",
"Microcontrollers",
"Software Hacks"
] | [
"attiny hacks",
"attiny13",
"ATtiny13A",
"avr attiny13",
"c++",
"c++20",
"education",
"educational"
] | When [Adam, HA8KDA] is not busy with his PhD studies, he mentors a group of students interested in engineering. To teach them a wide range of topics, he set out to
build a small and entertaining embedded project
as they watch and participate along the way. With this LED-adorned ATTiny13A project, [Adam] demonstrated sc... | 28 | 8 | [
{
"comment_id": "6473074",
"author": "juergen2022",
"timestamp": "2022-05-14T12:01:47",
"content": "Interesting, and I have to check into the details. Going for the minimum.Burkhard Kainka did a Tiny13 project called Sparrow – programming the Tiny13 via sound.https://www.amazon.co.uk/Cheepit-Sparrow... | 1,760,372,694.963472 | ||
https://hackaday.com/2022/05/14/printable-fix-for-time-card-clock-has-owner-seeing-red-again/ | Printable Fix For Time Card Clock Has Owner Seeing Red Again | Kristina Panos | [
"clock hacks",
"Repair Hacks"
] | [
"3D printed gears",
"gear",
"ribbon",
"time clock"
] | When [Morley Kert] laid eyes on a working time card-punching clock, he knew he had to have it for a still-secret upcoming project. The clock seemed to work fine, except that after a dozen or so test punches, the ink was rapidly fading away into illegibility.
After a brief teardown and inspection
, [Morley] determined t... | 8 | 4 | [
{
"comment_id": "6473084",
"author": "Troisième typz",
"timestamp": "2022-05-14T12:57:08",
"content": "“I think 10° will be better”“I don’t know how many will fill up the circle completely”We are so used to have machines easying everything that something as simple as 360 / 10 = 36 stops being obviou... | 1,760,372,694.897233 | ||
https://hackaday.com/2022/05/13/whats-in-a-wattmeter/ | What’s In A Wattmeter? | Al Williams | [
"Teardown"
] | [
"wattmeter"
] | The idea behind watts seems deceptively simple. By definition, a watt is the amount of work done when one ampere of current flows between a potential of one volt. If you think about it, a watt is basically how much work is done by a 1V source across a 1Ω resistor. That’s easy to say, but how do you measure it in the re... | 2 | 1 | [
{
"comment_id": "6473565",
"author": "Martin O'Grady",
"timestamp": "2022-05-15T22:44:35",
"content": "There’s these Sunbeam powerstrips with a millionfold copies firmware/design FauxPaux being sold like everywhere. The all have the same autoswitch defect. The 4 slaves stay off till current drawn th... | 1,760,372,694.762825 | ||
https://hackaday.com/2022/05/13/retrotechtacular-the-ibm-system-360-remembered/ | Retrotechtacular: The IBM System/360 Remembered | Al Williams | [
"Retrocomputing"
] | [
"ibm",
"mainframe",
"System/360"
] | Before IBM was synonymous with personal computers, they were synonymous with large computers. If you didn’t live it, it was hard to realize just how ubiquitous IBM computers were in most industries. And the flagship of the mainframe world was the IBM System/360. For a whole generation that grew up in the late 1960s and... | 51 | 33 | [
{
"comment_id": "6472963",
"author": "Jack William Bell",
"timestamp": "2022-05-14T02:21:07",
"content": "I worked on an IBM 390 (which had multiple 360s as ancillary processors) back in the 1980s. COBOL, BALR (assembly), C, and JCL (Job Control Language).In Dungeons and Dragons fantasy world terms ... | 1,760,372,694.852683 | ||
https://hackaday.com/2022/05/13/big-audio-visualizer-pumps-with-the-music/ | Big Audio Visualizer Pumps With The Music | Lewin Day | [
"Musical Hacks"
] | [
"audio visualizer",
"led",
"leds",
"spectrum analyzer",
"ws2812b"
] | A spectrum analyzer is a great way to create exciting visuals that pulse in time with music. [pyrograf] wanted a big one as a display piece,
so set about whipping up something of their very own.
An ESP32 microcontroller serves as the heart of the build, with its high clock rate and dual cores making it a highly capable... | 2 | 2 | [
{
"comment_id": "6472985",
"author": "echodelta",
"timestamp": "2022-05-14T04:09:34",
"content": "Nice music for once but a test tone sweep or something would be nice. I can’t tell is it’s live or not. Most importantly if the time/freq base is linear or octave.",
"parent_id": null,
"depth": ... | 1,760,372,695.00315 | ||
https://hackaday.com/2022/05/13/round-lcds-put-to-work-in-rack-mount-gauge-cluster/ | Round LCDs Put To Work In Rack Mount Gauge Cluster | Tom Nardi | [
"Microcontrollers",
"Parts"
] | [
"Circular LCD",
"lcd",
"midi",
"rack mount",
"round LCD"
] | Like many of you, we’re intrigued by the possibilities offered by the availability of affordable round LCD panels. But beyond the smartwatches they were designed for, it’s not always easy to come up with an appropriate application for such non-traditional displays. Digital “steam gauges” are one of the first ideas that... | 25 | 13 | [
{
"comment_id": "6472874",
"author": "fiddlingjunky",
"timestamp": "2022-05-13T20:07:58",
"content": "Would be helpful for an at-a-glance rack health monitor. Display max service uptime, rack ambient temp, CPU temp, RAM util, network util and CPU util for all the machines in the rack (would need fid... | 1,760,372,695.208063 | ||
https://hackaday.com/2022/05/13/absolute-encoder-teardown/ | Absolute Encoder Teardown | Al Williams | [
"Teardown"
] | [
"encoder",
"weigand"
] | According to [Lee Teschler], the classic representation of encoders showing code rings is out of date. His post says that
most industrial absolute encoders use a special magnetic sensor
known as a Wiegand wire to control costs. To demonstrate he does a teardown of an encoder made by Nidec Avtron Automation, and if you’... | 22 | 3 | [
{
"comment_id": "6472843",
"author": "RW ver 0.0.1",
"timestamp": "2022-05-13T18:47:53",
"content": "Not quite grasping the whole process, so we’ve got what, an electric Nun counting magnetic rosary beads so she knows where she is in her vespers?",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,695.060459 | ||
https://hackaday.com/2022/05/13/nvidia-releases-drivers-with-openness-flavor/ | NVIDIA Releases Drivers With Openness Flavor | Arya Voronova | [
"Current Events",
"Featured",
"News",
"Slider"
] | [
"firmware",
"gpu",
"GPUs",
"NVIDIA",
"open source software",
"software"
] | This year, we’ve already seen sizeable
leaks of NVIDIA source code,
and a release of open-source drivers
for NVIDIA Tegra.
It seems NVIDIA decided to amp it up, and just released
open-source GPU kernel modules
for Linux. The
GitHub link
named
open-gpu-kernel-modules
has people rejoicing, and we are already testing the ... | 27 | 11 | [
{
"comment_id": "6472818",
"author": "Adrian Stannard",
"timestamp": "2022-05-13T17:29:26",
"content": "Anybody still use Tegra? Maybe they should’ve done it 5 years ago when there was a chance it might mean something.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,372,695.136831 | ||
https://hackaday.com/2022/05/13/hackaday-podcast-168-math-flattens-spheres-fpgas-emulate-arcades-and-we-cant-shake-polaroid-pictures/ | Hackaday Podcast 168: Math Flattens Spheres, FPGAs Emulate Arcades, And We Can’t Shake Polaroid Pictures | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Join Hackaday Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney as they review the top hacks for the week. It was a real retro-fest this time, with a C64 built from (mostly) new parts, an Altoids Altair, and learning FPGAs via classic video games. We also looked at LCD sniffing to capture data from old devic... | 5 | 2 | [
{
"comment_id": "6472813",
"author": "Steven Monrad",
"timestamp": "2022-05-13T17:11:35",
"content": "That Polaroid article is from 2010 ? Or do you have a visual transcript of something new in the current podcast, for the hearing impaired?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,695.258999 | ||
https://hackaday.com/2022/05/13/open-database-shares-resin-3d-printing-settings/ | Open Database Shares Resin 3D Printing Settings | Lewin Day | [
"3d Printer hacks"
] | [
"3d printing",
"database",
"material database",
"resin printing"
] | 3D printing is much like CNC milling or welding or just about any physical manufacturing process, in that good results fundamentally come down to having the right settings. In an effort to aid those working in the resin printing space, [Adam Bute] has put together
a community database of resin printing settings.
The si... | 3 | 3 | [
{
"comment_id": "6473252",
"author": "Drone",
"timestamp": "2022-05-14T21:39:35",
"content": "Wow, this looks deep enough to be genuinely useful. Thanks for the link!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6473298",
"author": "mainunltd",
"time... | 1,760,372,695.297605 | ||
https://hackaday.com/2022/05/13/this-week-in-security-f5-twitter-poc-certifried-and-cloudflare-pages-pwned/ | This Week In Security: F5 Twitter PoC, Certifried, And Cloudflare Pages Pwned | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Certifried",
"Cloudflare",
"F5",
"This Week in Security"
] | F5’s BIG-IP platform has a Remote Code Execution (RCE) vulnerability:
CVE-2022-1388
. This one is interesting, because a Proof of Concept (PoC) was quickly reverse engineered from the patch and released on Twitter, among other places.
Let's drop CVE-2022-1388 PoC
pic.twitter.com/MmyvQGL6eO
— 416e6e61 (@AnnaViolet20)
Ma... | 7 | 5 | [
{
"comment_id": "6472789",
"author": "Ostracus",
"timestamp": "2022-05-13T15:21:14",
"content": "“Ransomware killed a college. Let that sink in.”Could be worse. Could be a hosp[ital.“Trend Micro finally incorrectly classified Microsoft’s browser as malware.”Amusing because some routers have TM built... | 1,760,372,695.345764 | ||
https://hackaday.com/2022/05/13/barely-hdmi-display-gets-a-steampunk-inspired-enclosure/ | Barely HDMI Display Gets A Steampunk-Inspired Enclosure | Dan Maloney | [
"Misc Hacks"
] | [
"bad apple",
"brass",
"doom",
"hdmi",
"i2c",
"metalwork",
"steampunk"
] | It’s an interesting question: What does one do for a follow-up to building the world’s worst HDMI display? Simple —
stick it in a cool steampunk-inspired case
and call it a day.
That seems to have been [mitxela]’s solution, and please don’t take our assessment as a knock on either
the original build
or this follow-up. ... | 21 | 9 | [
{
"comment_id": "6472707",
"author": "Andrew",
"timestamp": "2022-05-13T11:17:05",
"content": "I hope he’s going to glue some gears on it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6472731",
"author": "Gérald",
"timestamp": "2022-05-13T1... | 1,760,372,695.535693 | ||
https://hackaday.com/2022/05/13/tetris-clock-gets-talkative-upgrade/ | TetrisClock Gets Talkative Upgrade | Lewin Day | [
"clock hacks"
] | [
"clock",
"tetris",
"tetris clock"
] | Tetris
is arguably one of the most popular video games of all time, and its famous bricks have become cultural icons in themselves,
as seen in this clock build from [The Electronic Engineer].
The web interface allows the various sound options to be easily configured.
The basic concept of the
Tetris
clock is that fallin... | 2 | 2 | [
{
"comment_id": "6472761",
"author": "Criatura",
"timestamp": "2022-05-13T14:23:52",
"content": "Now that is a fun project to look at :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6473409",
"author": "The Electronic Engineer",
"timestamp": "2022-05... | 1,760,372,695.472045 | ||
https://hackaday.com/2022/05/12/monochrome-lcd-video-hacks-galore/ | Monochrome LCD Video Hacks Galore! | Dave Rowntree | [
"Video Hacks"
] | [
"dithering",
"error diffusion",
"lcd",
"LFSR",
"PDM",
"pwm"
] | [Wenting Zhang] is clearly a fan of old school STN LCD displays, and was
wondering how various older portable devices managed to drive monochrome LCDs panels with multiple grey levels
. If the display controller supports multiple bits per pixel, it can use various techniques, such as PWM, in order to produce a pseudo-g... | 23 | 13 | [
{
"comment_id": "6472620",
"author": "Zehan",
"timestamp": "2022-05-13T05:35:16",
"content": "brilliant idea",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6472627",
"author": "Dan",
"timestamp": "2022-05-13T06:05:53",
"content": "Very neat. If the... | 1,760,372,695.606001 | ||
https://hackaday.com/2022/05/12/why-get-dressed-when-there-are-software-pants/ | Why Get Dressed When There Are Software Pants? | Kristina Panos | [
"Lifehacks",
"Software Development"
] | [
"faux pas",
"pants",
"videoconference",
"zoom"
] | With so many of us working from home over the last two years, it’s really become apparent that people generally dislike sitting all day with pants on. Until such a utopian time when all clothing is considered unisex, and just as many men as women are kicking it in loose, flowing skirts and dresses, you may want to reme... | 42 | 12 | [
{
"comment_id": "6472547",
"author": "Ostracus",
"timestamp": "2022-05-13T02:17:18",
"content": "“With so many of us working from home over the last two years, it’s really become apparent that people generally dislike sitting all day with pants on. ”The Scots had the right idea. Wear a kilt.",
"... | 1,760,372,696.144405 | ||
https://hackaday.com/2022/05/12/90s-ford-gets-shift-paddles-and-a-digital-dash-upgrade/ | ’90s Ford Gets Shift Paddles And A Digital Dash Upgrade | Lewin Day | [
"car hacks"
] | [
"car",
"ford",
"ford falcon"
] | The EA Falcon took Ford’s popular Australian sedan line into the 1990s, even if it gave way to the EB Falcon by the end of 1991. Few would call it high tech, but it introduced several innovations to the platform that were very of its time. One hacker, however, has taken a humble EA Falcon and given it a set of
homebrew... | 7 | 3 | [
{
"comment_id": "6472536",
"author": "Sword",
"timestamp": "2022-05-13T01:24:14",
"content": "Looks like the dash in the car from Starfighter. Great 80’s move by the way, worth a watch",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6472548",
"author"... | 1,760,372,695.788237 | ||
https://hackaday.com/2022/05/12/makerbot-and-ultimaker-to-merge-focus-on-industry/ | MakerBot And Ultimaker To Merge, Focus On Industry | Tom Nardi | [
"News"
] | [
"3d printing batteries",
"makerbot",
"stratasys",
"ultimaker"
] | Nine years ago, MakerBot was acquired by Stratasys in a deal worth slightly north of $600 million. At the time it was assumed that MakerBot’s line of relatively affordable desktop 3D printers would help Stratasys expand its reach into the hobbyist market, but in the end, the company all but disappeared from the hacker ... | 43 | 17 | [
{
"comment_id": "6472450",
"author": "Autodrop3d (@autodrop3d)",
"timestamp": "2022-05-12T20:53:02",
"content": "This is very interesting . . .",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6472884",
"author": "0 Winners in DDD vs SSYS?",
"t... | 1,760,372,695.974035 | ||
https://hackaday.com/2022/05/12/hackaday-prize-2022-salvaged-pumps-and-hoses-make-a-neat-vacuum-pickup-tool/ | Hackaday Prize 2022: Salvaged Pumps And Hoses Make A Neat Vacuum Pickup Tool | Robin Kearey | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2022 Hackaday Prize",
"pick and place",
"Vacuum pickup tool",
"vacuum pump",
"vacuum tweezers"
] | Anyone who’s ever assembled a PCB full of tiny SMD parts will have found that tweezers are not always the best tool when it comes to accurate positioning. Thin, flat components like microcontrollers can be awkward to pick up securely, while small resistors and capacitors have a tendency of snapping out of your tweezers... | 6 | 4 | [
{
"comment_id": "6472590",
"author": "RW ver 0.0.1",
"timestamp": "2022-05-13T04:05:33",
"content": "Your project sucks! … Can I get away with saying that for once :-DLooks handy, I used to be a whizz with tweezers, but someone seems to have replaced all my tweezers with identical looking component ... | 1,760,372,695.742266 | ||
https://hackaday.com/2022/05/12/can-you-help-nasa-build-a-mars-sim-in-vr/ | Can You Help NASA Build A Mars Sim In VR? | Lewin Day | [
"Hackaday Columns",
"Slider",
"Space"
] | [
"mars",
"mars rover",
"nasa",
"simulation",
"simulator",
"virtual reality",
"vr"
] | No matter your project or field of endeavor, simulation is a useful tool for finding out what you don’t know. In many cases, problems or issues aren’t obvious until you try and do something. Where doing that thing is expensive or difficult, a simulation can be a low-stakes way to find out some problems without huge cos... | 40 | 16 | [
{
"comment_id": "6472387",
"author": "WereCatf",
"timestamp": "2022-05-12T17:25:38",
"content": "How’s this supposed to work? It’s very much unlikely most people will know enough about physics on Mars to be able to come up with realistic simulations, so it’ll really just amount to being a game, then... | 1,760,372,696.064739 | ||
https://hackaday.com/2022/05/12/how-the-roland-808-cowbell-worked/ | How The Roland 808 Cowbell Worked | Jenny List | [
"Musical Hacks"
] | [
"drum machine",
"Roland 808",
"Roland TR-808",
"synthesiser"
] | Every generation has an instrument which defines its sound, and for those whose formative musical years lie in the 1980s, a very strong contender to the crown is the Roland TR-808 percussion synthesizer. Its sounds can be recognized across a slew of hits from that era and every decade since, and though the original ins... | 9 | 5 | [
{
"comment_id": "6472344",
"author": "KDawg",
"timestamp": "2022-05-12T15:51:13",
"content": "I don’t care how it works I only know I need more cowbell!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6472370",
"author": "mrehorst",
"timestamp": "2022-0... | 1,760,372,696.187438 | ||
https://hackaday.com/2022/05/12/with-rocket-labs-daring-midair-catch-reusable-rockets-go-mainstream/ | With Rocket Lab’s Daring Midair Catch, Reusable Rockets Go Mainstream | Tom Nardi | [
"Current Events",
"Featured",
"News",
"Original Art",
"Slider",
"Space"
] | [
"electron",
"Falcon 9",
"reusability",
"reuse",
"Rocket Lab",
"SpaceX"
] | We’ve all marveled at the videos of SpaceX rockets returning to their point of origin and landing on their spindly deployable legs, looking for all the world like something pulled from a 1950s science fiction film. On countless occasions founder Elon Musk and president Gwynne Shotwell have extolled the virtues of reus... | 34 | 13 | [
{
"comment_id": "6472312",
"author": "Rumble_in_the_Jungle",
"timestamp": "2022-05-12T14:20:24",
"content": "First thought after seeing main art picture – someone figured out to launch missile between helicopter blades. As in WWI machine gun between aircraft propellers ;D",
"parent_id": null,
... | 1,760,372,696.259478 | ||
https://hackaday.com/2022/05/12/is-esp8266-5-v-tolerant-this-curve-tracer-says-yes/ | Is ESP8266 5 V Tolerant? This Curve Tracer Says Yes! | Arya Voronova | [
"Microcontrollers"
] | [
"5V tolerant",
"ESP-01",
"ESP8266",
"testing equipment"
] | Some people state that ESP8266 is tolerant of 5 V logic levels on its GPIOs, while others vehemently disagree, pointing at the datasheet-stated 3.6 V maximum. Datasheets aren’t source code for compiling the chip, however, and aren’t universally correct and complete either. [Avian] decided to
dig deeper into the claims,... | 44 | 15 | [
{
"comment_id": "6472234",
"author": "Szaja",
"timestamp": "2022-05-12T11:05:17",
"content": "If in doubt – ask Hackaday:https://hackaday.com/2016/07/28/ask-hackaday-is-the-esp8266-5v-tolerant/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6472242",
... | 1,760,372,696.342507 | ||
https://hackaday.com/2022/05/12/making-a-concrete-pinhole-camera/ | Making A Concrete Pinhole Camera | Lewin Day | [
"Misc Hacks"
] | [
"camera",
"pinhole camera"
] | A pinhole camera is a simple device that can be built out of virtually any simple closed chamber, and is a great way to learn about the basic principles of photography. [amuu] has created a version
that can be readily made out of concrete
, of all materials!
The photos captured by the camera featured some artifacts fro... | 9 | 3 | [
{
"comment_id": "6472183",
"author": "Iván Stepaniuk",
"timestamp": "2022-05-12T08:18:51",
"content": "Very solid project",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6472187",
"author": "Janez",
"timestamp": "2022-05-12T08:29:22",
... | 1,760,372,696.387186 | ||
https://hackaday.com/2022/05/11/pitch-sequencer-turns-tascam-tape-deck-into-instrument/ | Pitch Sequencer Turns Tascam Tape Deck Into Instrument | Lewin Day | [
"Musical Hacks"
] | [
"pitch shift",
"pitch shifter",
"pwm",
"Raspberry Pi Pico",
"tape",
"tape deck"
] | The cool thing about magnetic tape is that by varying the speed at which you play it back, you can vary the pitch of the output. [Issac] decided to take advantage of this,
executing a fancy digitally-controlled pitch mod on his Tascam Porta 02 tape deck.
The build uses a Raspberry Pi Pico, which employs PWM to control ... | 4 | 3 | [
{
"comment_id": "6472186",
"author": "GMob",
"timestamp": "2022-05-12T08:27:11",
"content": "The way less-cool thing is when the pitch variations are uncalled for. I was attempting to overdub a recording made on a Tascam PortaStudio 4-track, and found ridiculous speed variations at random points thr... | 1,760,372,696.428162 | ||
https://hackaday.com/2022/05/11/easy-network-config-for-iot-devices-with-rgbeacon/ | Easy Network Config For IoT Devices With RGBeacon | Lewin Day | [
"Misc Hacks",
"Network Hacks"
] | [
"IoT",
"microcontroller",
"ws2812b"
] | When you’re hooking up hardware to a network, it can sometimes be a pain to figure out what IP address the device has ended up with. [Bas Pijls] often saw this problem occurring in the classroom, and set about creating a simple method for small devices to communicate their IP address and other data
with a minimum of fu... | 25 | 9 | [
{
"comment_id": "6472149",
"author": "Dave",
"timestamp": "2022-05-12T04:04:45",
"content": "Three color channels?! Back in my day just one color was enough and we couldn’t see it because it was infrared.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "647217... | 1,760,372,696.494997 | ||
https://hackaday.com/2022/05/11/when-sticks-fly/ | When Sticks Fly | Dan Maloney | [
"drone hacks"
] | [
"Bicopter",
"center of gravity",
"drone",
"dual rotor",
"gimbal",
"gyroscopic precession",
"Thrust vectoring",
"uav"
] | When it comes to hobby rotorcraft, it almost seems like the more rotors, the better. Quadcopters, hexacopters, and octocopters we’ve seen, and there’s probably a dodecacopter buzzing around out there somewhere. But what about going the other way? What about a rotorcraft with the minimum complement of rotors?
And thus w... | 26 | 10 | [
{
"comment_id": "6472099",
"author": "fiddlingjunky",
"timestamp": "2022-05-11T23:04:28",
"content": "RCTestFlight did something similar. Love to see abnormal flying machines.https://www.youtube.com/watch?v=N7mSE_ST1gs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,372,696.560401 | ||
https://hackaday.com/2022/05/11/caulking-gun-becomes-useful-press-tool-for-fuel-line-fittings/ | Caulking Gun Becomes Useful Press Tool For Fuel Line Fittings | Lewin Day | [
"3d Printer hacks",
"car hacks",
"Tool Hacks"
] | [
"3d printer",
"press",
"press tool",
"tooling"
] | The simple caulking gun is really useful when you’re working on some bathroom repairs or squirting construction adhesives about the place. However, with a few simple mods,
it can become a great help in the mechanic’s workshop too.
It’s a great tool for cleanly pushing fittings into nylon fuel line.
This build consists ... | 29 | 14 | [
{
"comment_id": "6472052",
"author": "CRJEEA",
"timestamp": "2022-05-11T20:59:16",
"content": "There’s not much stopping you making this out of wood if you lack a 3D printer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6472061",
"author": "Phil Ba... | 1,760,372,696.644942 |
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