url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2021/05/15/3d-printing-espresso-parts/ | 3D Printing Espresso Parts | Bryan Cockfield | [
"cooking hacks",
"Parts"
] | [
"3D printed parts",
"co2",
"coffee",
"Compressed Gas",
"espresso",
"pressure"
] | Virtually any hobby has an endless series of rabbit holes to fall into, with new details to learn around every corner. This is true for beekeeping, microcontrollers, bicycles, and gardening (just to name a few), but those involved in the intricate world of coffee roasting and brewing turn this detail dial up to the max... | 28 | 8 | [
{
"comment_id": "6348914",
"author": "John",
"timestamp": "2021-05-15T20:32:41",
"content": "One could make it more environementally friendly by using an electric compressor ^^",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6348919",
"author": "Hirudinea",... | 1,760,373,087.263921 | ||
https://hackaday.com/2021/05/15/reverse-engineering-an-unknown-microcontroller-in-e-ink-displays/ | Reverse-Engineering An Unknown Microcontroller In E Ink Displays | Bryan Cockfield | [
"Microcontrollers"
] | [
"display",
"e-ink",
"microcontrollers",
"obscure",
"reverse engineering",
"SSD1623L2",
"ZBS24x"
] | For a monochrome display where refresh rate isn’t particularly important, there’s almost no better option than an E Ink display. They’re available in plenty of sizes and at various price points, but there’s almost no option cheaper than repurposing something mass-produced and widely available like an E Ink (sometime al... | 11 | 4 | [
{
"comment_id": "6348893",
"author": "Mog",
"timestamp": "2021-05-15T17:31:01",
"content": "Pretty funny that it’s using an 8051 core. You could probably have a hardware engineering drinking game – start pointing at various devices in your home, and if any part of it ends up having an 8051 or deriva... | 1,760,373,087.027162 | ||
https://hackaday.com/2021/05/15/should-i-automate-this/ | Should I Automate This? | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"automation",
"efficience",
"newsletter",
"optimizing",
"xkcd"
] | The short answer to the question posed in the headline: yes.
For the long answer, you have to do a little math. How much total time you will save by automating, over some reasonable horizon? It’s a simple product of how much time per occurrence, times how many times per day it happens, times the number of days in your ... | 65 | 21 | [
{
"comment_id": "6348850",
"author": "deshipu",
"timestamp": "2021-05-15T14:47:53",
"content": "I have devised a rule for myself: no matter how long it takes, and how often you do it, never automate anything that is fun or pleasant to do. This is one reason why I never got a reflow oven: applying so... | 1,760,373,087.456143 | ||
https://hackaday.com/2021/05/15/putting-3d-printed-chain-through-its-paces/ | Putting 3D Printed Chain Through Its Paces | Lewin Day | [
"3d Printer hacks"
] | [
"chain"
] | One of the more frustrating things facing makers in decades past was the problem of power transmission. Finding things like belts, pulleys, sprockets, and chain for your projects could be difficult, particularly if you lived far from the shipping radius of suppliers like McMaster-Carr. These days, there’s no need to fu... | 15 | 9 | [
{
"comment_id": "6348822",
"author": "Val",
"timestamp": "2021-05-15T11:26:03",
"content": "Pretty nice work, on the topic of McMaster Carr, to me having access to it alone constitutes a good reason to move to the US…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,373,086.859435 | ||
https://hackaday.com/2021/05/14/hackaday-podcast-118-apple-airtag-hacked-infill-without-perimeters-hair-pulling-robots-and-unpacking-the-555/ | Hackaday Podcast 118: Apple AirTag Hacked, Infill Without Perimeters, Hair-Pulling Robots, And Unpacking The 555 | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Elliot’s keeb: ortho, offset, thumby.
Hackaday editors Elliot Williams and Mike Szczys gather to ooh and aah over a week of interesting hacks. This week we’re delighted to welcome special guest Kristina Panos to talk about the Inputs of Interest series she has been working on over the last couple of years. In the news ... | 5 | 2 | [
{
"comment_id": "6348937",
"author": "Taper Wickel",
"timestamp": "2021-05-15T22:34:41",
"content": "I’m sure a dozen people will also truthfully claim this, but I heard the “What’s that Sound?” clip last week in transit, and thought, “Oh, that sounds like a teletype — it’s probably an ASR 33,” and ... | 1,760,373,087.197419 | ||
https://hackaday.com/2021/05/14/go-ape-with-a-banana-macropad/ | Go Ape With A Banana Macropad | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"arduino pro micro",
"cherry mx",
"macro keyboard",
"macro pad"
] | The super fun thing about macro pads is that they’re inherently ultra-personalized, so why not have fun with them? This appealing little keeb may have been a joke originally, but
[dapperrogue] makes a valid point among a bunch of banana-related puns on the project page
— the shape makes it quite the ergonomic little in... | 14 | 9 | [
{
"comment_id": "6348640",
"author": "Ken",
"timestamp": "2021-05-14T16:18:08",
"content": "First off, impressive imagination.But imagining a use case, I’d think you’d want to have the cable attach to the end of the banana (opposite end from the stem), and I’d like to see the buttons oriented so tha... | 1,760,373,087.077278 | ||
https://hackaday.com/2021/05/14/this-week-in-security-fragattacks-the-pipeline-codecov-and-ipv6/ | This Week In Security: Fragattacks, The Pipeline, Codecov, And IPv6 | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Fragattacks",
"Patch Tuesday",
"ransomware",
"This Week in Security",
"xcode"
] | Some weeks are slow, and the picking are slim when discussing the latest security news. This was not one of those weeks.
First up is
Fragattacks
, a set of flaws in wireless security protocols, allowing unauthenticated devices to inject packets into the network, and in some cases, read data back out. The flaws revolve ... | 26 | 9 | [
{
"comment_id": "6348612",
"author": "Average Joe",
"timestamp": "2021-05-14T14:25:53",
"content": "Wouldn’t it be interesting if this was a self imposed attack (approved or not approved) to get insurance money. Since you mention it is rare to attack so many people at once. Maybe someone knew tha... | 1,760,373,086.982973 | ||
https://hackaday.com/2021/05/14/make-androids-new-power-menu-work-on-your-terms/ | Make Android’s New Power Menu Work On Your Terms | Tom Nardi | [
"Android Hacks",
"Software Hacks"
] | [
"android",
"Android 11",
"home automation",
"smart home",
"tasker"
] | Introduced in Android 11, the power menu is a way to quickly interact with smart home gadgets without having to open their corresponding applications. Just hold the power button for a beat, and you’ll be presented with an array of interactive tiles for all the gadgets you own. Well that’s the idea, anyway.
[Mat] of “No... | 7 | 6 | [
{
"comment_id": "6348597",
"author": "Truth",
"timestamp": "2021-05-14T13:56:26",
"content": "> After all, does some server halfway across the planet really need to be consulted every time you want to turn on the kitchen light?It is not just that, does that server really need to permanently log the ... | 1,760,373,087.501826 | ||
https://hackaday.com/2021/05/14/keep-an-eye-on-your-bike-with-this-diy-gps-tracker/ | Keep An Eye On Your Bike With This DIY GPS Tracker | Lewin Day | [
"gps hacks"
] | [
"bicycle",
"bike",
"gps",
"gps tracker",
"tracker",
"tracking device"
] | Owning a bike and commuting on it regularly is a great way to end up with your bike getting stolen, unfortunately. It can be a frustrating experience, and it can be particularly difficult to track a bike down once it’s vanished. [Johan] didn’t want to be caught out, however,
and thus built a compact GPS tracker to give... | 31 | 8 | [
{
"comment_id": "6348518",
"author": "Alice Lalita Heald",
"timestamp": "2021-05-14T08:37:25",
"content": "DIY Airtags are more trendy these days.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6348529",
"author": "pelrun",
"timestamp": "2021... | 1,760,373,087.146923 | ||
https://hackaday.com/2021/05/13/apple-gets-cp-m/ | Apple Gets CP/M | Al Williams | [
"Retrocomputing"
] | [
"apple",
"CP/M",
"mac",
"objective c",
"OsX",
"retrocomputing",
"turbo pascal",
"wordstar",
"zork"
] | In case you wanted to run WordStar on your Mac, [Tom Harte] offers
CP/M for OS/X
, and it looks like it would be a lot of fun. Of course you might be happier running Zork or Turbo Pascal, and you can do that, too.
There are plenty of Z80 emulators that can run CP/M, but what we found most interesting about this one is ... | 13 | 5 | [
{
"comment_id": "6348485",
"author": "Truth",
"timestamp": "2021-05-14T06:15:32",
"content": "I remember using CP/M on an Apple ][e, using the very first hardware from Microsoft! (https://en.wikipedia.org/wiki/Z-80_SoftCard)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,086.914201 | ||
https://hackaday.com/2021/05/13/nuclear-reactors-get-small/ | Nuclear Reactors Get Small | Al Williams | [
"News",
"Science"
] | [
"Department of Energy",
"fission",
"microreactor",
"nuclear power",
"Nuclear Reactor"
] | Steve Martin was ahead of his time when he told us “Let’s get small!” While you usually think of a nuclear reactor as a big affair, there’s a new trend towards making small
microreactors
to produce power where needed instead of large centralized generation facilities. The U.S. Department of Energy has a video about the... | 92 | 22 | [
{
"comment_id": "6348449",
"author": "Komradebob",
"timestamp": "2021-05-14T02:26:57",
"content": "Don’t forget that the department of energy built a nuclear reactor with the objective of flying an airplane with it. It even flew a few times.https://en.wikipedia.org/wiki/Aircraft_Nuclear_Propulsion",... | 1,760,373,087.623238 | ||
https://hackaday.com/2021/05/13/3d-printed-terminal-takes-computing-back-in-time/ | 3D Printed Terminal Takes Computing Back In Time | Tom Nardi | [
"classic hacks",
"Raspberry Pi"
] | [
"3D printed enclosure",
"raspberry pi",
"retro",
"terminal"
] | It’s hard to look at today as anything but the golden age of computing. Even entry level machines have quad-core processors and a terabyte or more of storage space, to say nothing of the incredible amount of tech packed into the modern smartphone. But even so, there’s something to be said for the elegant simplicity of ... | 14 | 7 | [
{
"comment_id": "6348432",
"author": "Ben",
"timestamp": "2021-05-13T23:33:01",
"content": "Their website brings me much joy.If I had any usable desk space left I would definitely make one of these.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6348439",
... | 1,760,373,087.93016 | ||
https://hackaday.com/2021/05/13/pi-pico-project-plays-pong-perfectly/ | Pi Pico Project Plays Pong Perfectly | Zach Zeman | [
"Raspberry Pi"
] | [
"pong",
"raspberry pi",
"Raspberry Pi Pico",
"retro gaming",
"vga",
"video games"
] | Even as technology keeps progressing, we find ourselves coming back to the classics again and again. Pong is quite possibly
the
classic game, and the Raspberry Pi Pico is one of the latest microcontrollers. So [Nick Bild] combined them expertly in his
Pico Pong project, which includes gesture controls and a custom VGA ... | 9 | 5 | [
{
"comment_id": "6348413",
"author": "Mario",
"timestamp": "2021-05-13T21:47:45",
"content": "Great project, I remember my first times when I tried to get something running with VGA with only a microcontroller.“Rolling your own VGA signal is no simple feat” – While this holds true for using microcon... | 1,760,373,087.668745 | ||
https://hackaday.com/2021/05/13/3d-printing-restores-bandsaw/ | 3D Printing Restores Bandsaw | Al Williams | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printing",
"bandsaw",
"pulley",
"stop switch"
] | A great addition to a home shop is a bandsaw, but when [Design Prototype Test] got a
well-used one
, he found it wasn’t in very good shape. The previous owner put in an underpowered motor and made some modifications to accommodate the odd-sized blade. Luckily, 3D printing allowed him to restore the old saw to good work... | 24 | 9 | [
{
"comment_id": "6348356",
"author": "jckahk",
"timestamp": "2021-05-13T18:49:14",
"content": "odd size blade = harbor freight spot welder & speaker magnets to the rescue",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6348363",
"author": "Iván Stepaniuk",
... | 1,760,373,087.729359 | ||
https://hackaday.com/2021/05/13/somethings-up-in-switzerland-explaining-the-b-meson-news-from-the-large-hadron-collider/ | Something’s Up In Switzerland: Explaining The B Meson News From The Large Hadron Collider | Bob Baddeley | [
"Current Events",
"Featured",
"News",
"Original Art",
"Science",
"Slider"
] | [
"accelerator",
"large hadron collider",
"lhc",
"LHCb",
"particle accelerator",
"particle physics",
"physics",
"quantum physics",
"quark",
"science",
"supercollider"
] | Particle physics is a field of extremes. Scales always have 10
really big number
associated. Some results from the Large Hadron Collider Beauty (LHCb) experiment have recently been reported that are statistically significant, and they may have profound implications for the Standard Model, but it might also just be a nu... | 50 | 15 | [
{
"comment_id": "6348333",
"author": "William Wesley",
"timestamp": "2021-05-13T17:33:42",
"content": "unfortunately the publishing is the point, not the understanding, as in boxing or chess a final resolution is not actually desired, all the money is made through conflict in print.",
"parent_id... | 1,760,373,087.82362 | ||
https://hackaday.com/2021/05/13/less-stinky-resin-two-ways/ | Less Stinky Resin Two Ways | Al Williams | [
"3d Printer hacks"
] | [
"resin",
"soy"
] | After watching [Uncle Jessy’s] video about
soy-based 3D printing resin
from Elegoo and their miniature air purifiers, we couldn’t decide if the resin doesn’t smell as bad as some other resins or if the air purifier works wonders. Maybe it is a bit of both.
We’ve used
Eryone super low odor resin
and it has less smell th... | 12 | 6 | [
{
"comment_id": "6348312",
"author": "David",
"timestamp": "2021-05-13T16:51:00",
"content": "I’d suggest trying to minimise the use of IPA in the printing process, as that’s now generally the smelliest element of the lot. Most recent resins don’t have that strong a smell – it’s not a pleasant smell... | 1,760,373,087.873658 | ||
https://hackaday.com/2021/05/13/toyotas-hydrogen-burning-racecar-soon-to-hit-the-track/ | Toyota’s Hydrogen-Burning Racecar Soon To Hit The Track | Lewin Day | [
"car hacks",
"Hackaday Columns",
"News",
"Slider"
] | [
"car",
"car hacks",
"cars",
"engine",
"fuel cell",
"hydrogen",
"hydrogen car",
"hydrogen engine"
] | With the rise of usable electric cars in the marketplace, and markets around the world slowly phasing out the sale of fossil fuel cars, you could be forgiven for thinking that the age of the internal combustion engine is coming to an end. History is rarely so cut and dry, however, and new technologies aim to keep the c... | 90 | 14 | [
{
"comment_id": "6348260",
"author": "x3n0x",
"timestamp": "2021-05-13T14:26:09",
"content": "While electric cars have their place, we can’t overlook the Infrastructure problems caused by charging mass amounts of electric vehicles! They all have to get that electricity somewhere, and the grid is al... | 1,760,373,088.470245 | ||
https://hackaday.com/2021/05/13/realistic-mission-control-box-is-a-blast-for-all-ages/ | Realistic Mission Control Box Is A Blast For All Ages | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"arduino mega",
"Arduino Uno",
"sound board",
"Space Shuttle"
] | A lot of electronic busy boxes that are built for children are simply that — a mess of meaningless knobs and switches that don’t do much beyond actuating back and forth (which, let’s be honest, is still pretty fun to do). But
this Mission Control Center by [gcall1979] knocks them all out of orbit
. The simulation runs ... | 19 | 12 | [
{
"comment_id": "6348226",
"author": "Alysson Rowan",
"timestamp": "2021-05-13T12:17:27",
"content": "I will point out that no toddler is too young to launch the shuttle (or at least a simulation of one).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6348235"... | 1,760,373,088.177154 | ||
https://hackaday.com/2021/05/13/hybrid-rocket-engine-combines-ceramic-aerospike-with-3d-printed-fuel/ | Hybrid Rocket Engine Combines Ceramic Aerospike With 3D Printed Fuel | Lewin Day | [
"3d Printer hacks"
] | [
"hybrid rocket",
"rocket"
] | [Integza] has worked hard over the last year, crafting a variety of types of rocket and jet engine, primarily using 3D printed parts. Due to the weaknesses of plastic, all of which conflict with the general material requirements for an engine that gets hot, he has had less thrust and more meltdowns than he would have l... | 23 | 10 | [
{
"comment_id": "6348179",
"author": "johnowhitaker",
"timestamp": "2021-05-13T08:20:41",
"content": "Was not expecting a diversion into the tomato death squad! Glad someone is having fun :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6348185",
"author"... | 1,760,373,088.057587 | ||
https://hackaday.com/2021/05/12/piggy-bank-slot-machine-puts-a-spin-on-saving/ | Piggy Bank Slot Machine Puts A Spin On Saving | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"piggy bank",
"slot machine"
] | Saving money is inherently no fun until the time comes that you get to spend it on something awesome. Wouldn’t you be more likely to drop your coins into a piggy bank if there was a chance for an immediate payout that might exceed the amount you put in? We know we would. And the best part is, if you put
such a piggy ba... | 7 | 5 | [
{
"comment_id": "6348157",
"author": "Peter",
"timestamp": "2021-05-13T05:42:01",
"content": "Check your local/country laws before putting it outside for neighbours because this thing could land you in a prison for couple of years with gambling without license and not paying taxes for it (and probab... | 1,760,373,088.119914 | ||
https://hackaday.com/2021/05/12/3d-printed-transistor-goes-green/ | 3D Printed Transistor Goes Green | Al Williams | [
"3d Printer hacks"
] | [
"3d printed circuits",
"3d printed transistor",
"carbon nanotubes",
"graphene",
"nanocellulose",
"transistor"
] | We’ll be honest, we were more excited by Duke University’s announcement that they’d used
carbon-based inks to 3D print a transistor
than we were by their assertion that it was recyclable. Not that recyclability is a bad thing, of course. But we would imagine that any carbon ink on a paper-like substrate will fit in the... | 29 | 10 | [
{
"comment_id": "6348132",
"author": "If only words were easy",
"timestamp": "2021-05-13T02:40:15",
"content": "In this case, the team developed an ink from wood called nanocelluose.A bit unclear what is meant here…I’m prety sure that there’s no nanocelluose tree.Likewise, they didn’t come up with n... | 1,760,373,088.24537 | ||
https://hackaday.com/2021/05/12/sit-pretty-on-would-be-garbage-with-an-upcycled-chair/ | Sit Pretty On Would-Be Garbage With An Upcycled Chair | Kristina Panos | [
"green hacks"
] | [
"blue jeans",
"pillow",
"recycled",
"upholstery"
] | What’s the coolest thing about doing upholstery work? Aside from the fact that you end up with a new thing to sit on, sometimes the work only involves clever stapling, and no sewing is necessary. Such is the case with [wyldestyle]’s
upcycled jeans chair
, which started as a bare-wood swivel number from the dump. In fac... | 21 | 10 | [
{
"comment_id": "6348123",
"author": "Ostracus",
"timestamp": "2021-05-13T01:20:25",
"content": "Good job on the chair. Only problem I’ve found with those office chairs is the lift cylinder going out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6348131",
... | 1,760,373,088.53297 | ||
https://hackaday.com/2021/05/12/otters-deliver-a-high-power-stationary-audio-experience/ | Otters Deliver A High Power Stationary Audio Experience | Kerry Scharfglass | [
"digital audio hacks",
"google hacks",
"hardware"
] | [
"airplay",
"amplifier",
"analog audio",
"ARM Cortex-A7",
"audio",
"buildroot",
"chromecast",
"chromecast audio",
"Class D amp",
"Embedded Linux",
"linux",
"pulseaudio",
"snapcast",
"spotify",
"streaming audio"
] | Our favorite raft of otters is back at it again with another display of open source audio prowess as they bring us
the OtterCastAmp
, the newest member of the OtterCast family of open source audio multitools. If you looked at the previous entry in the series –
the OtterCastAudio
– and thought it was nice but lacking in... | 20 | 6 | [
{
"comment_id": "6348112",
"author": "jawnhenry",
"timestamp": "2021-05-12T23:54:32",
"content": "I have only one / several problem(s) with this device: what’s it good for; what’s it do; why should I want one?The developers have obviously given a lot of thought and put a lot of effort into designing... | 1,760,373,088.595097 | ||
https://hackaday.com/2021/05/12/seeing-eye-shoes-pair-computer-vision-with-haptic-feedback/ | Seeing-Eye Shoes Pair Computer Vision With Haptic Feedback | Kristina Panos | [
"Lifehacks",
"Medical Hacks"
] | [
"assistive technology",
"haptic feedback",
"navigation",
"neural networks",
"ultrasonic distance sensor",
"visually impaired"
] | Over the years, we’ve seen plenty of projects that use ultrasonic or time-of-flight sensors as object detection methods for the visually impaired. Ultrasonic sensors detect objects like sonar — they send sound pulses and measure the time it takes for the signal to bounce off the object and come back. Time-of-flight sen... | 21 | 11 | [
{
"comment_id": "6348045",
"author": "Ray'",
"timestamp": "2021-05-12T18:36:02",
"content": "I’m not gonna say the reason, but there’s a very obvious one why cameras-on-shoes isn’t a widely available commercial option outside of ebay or some dark street corners",
"parent_id": null,
"depth": ... | 1,760,373,088.657059 | ||
https://hackaday.com/2021/05/12/historical-hackers-emergency-antennas-launched-by-kite/ | Historical Hackers: Emergency Antennas Launched By Kite | Al Williams | [
"Featured",
"History",
"Radio Hacks",
"Slider"
] | [
"emergency radio",
"history",
"world war 2",
"world war II"
] | Your airplane has crashed at sea. You are perched in a lifeboat and you need to call for help. Today you might reach for a satellite phone, but in World War II you would more likely turn a crank on a special survival radio.
These radios originated in Germany but were soon copied by the British and the United States. In... | 24 | 15 | [
{
"comment_id": "6348033",
"author": "bob",
"timestamp": "2021-05-12T17:26:55",
"content": "Wondering about Amelia Earhart and emergency communicaton equipment, a quick search revealed that she apparently discarded a morse code key as “dead weight” since no one aboard could use it. While the emergen... | 1,760,373,088.720393 | ||
https://hackaday.com/2021/05/10/sinclair-basic-for-today/ | Sinclair BASIC For Today | Al Williams | [
"Retrocomputing",
"Software Development",
"Software Hacks"
] | [
"basic",
"sinclair",
"sinclair spectrum"
] | If you are of a certain age, your first exposure to computer programming was probably BASIC. For a few years, there were few cheaper ways to program in BASIC than the Sinclair ZX series of computers. If you long for those days, you might find the 1980-something variant of BASIC a little limiting. Or you could use
SpecB... | 29 | 10 | [
{
"comment_id": "6347548",
"author": "Michael Black",
"timestamp": "2021-05-11T05:12:57",
"content": "But if you’re of a different certain age, you started with machine language, because your computer didn’t have BASIC in ROM, and the 1K of RAM couldn’t fit an interpreter.You had no assembler, or r... | 1,760,373,088.787554 | ||
https://hackaday.com/2021/05/10/the-laser-power-record-has-been-broken/ | The Laser Power Record Has Been Broken | Al Williams | [
"Laser Hacks",
"News",
"Science"
] | [
"laser",
"optics",
"science"
] | Lasers do all sorts of interesting things and — as with so many things — more is better. Korean scientists announced recently they’ve
created the most powerful laser beam
. 10
23
watts per square centimeter, to be exact. It turns out that 10
22
Watts/cm
2
may not be commonplace, but has been done many times already at ... | 46 | 17 | [
{
"comment_id": "6347511",
"author": "Garth Bock",
"timestamp": "2021-05-11T02:22:46",
"content": "“What do you do with that much laser power? “…..The lead scientist responded….” We’re still looking into it” .. (as he picked up a cup of steaming ramen noodles from under the aperture).. 😄",
"par... | 1,760,373,088.86698 | ||
https://hackaday.com/2021/05/10/four-servo-fingers-play-simon-better-than-you-ever-could/ | Four Servo Fingers Play Simon Better Than You Ever Could | Dan Maloney | [
"Games"
] | [
"arduino",
"CdS",
"game",
"ldr",
"memory",
"replay",
"simon"
] | Remember Simon? We sure do. Simon — as in “Simon says…” — from the leading edge of electronic games in the 1970s, which used four buttons, colored lights, and simple tones as the basis for a memory game. Players had to remember the specific sequence of lights and replay the pattern in order to advance to the next round... | 10 | 5 | [
{
"comment_id": "6347498",
"author": "Yeshua Watson",
"timestamp": "2021-05-11T00:42:36",
"content": "Cool! Maybe one can skip the servos and go straight to using relays or maybe even some small transistors to close the switches and put the Simon’s processor to work. I’ll wait for him to take bop-it... | 1,760,373,088.913216 | ||
https://hackaday.com/2021/05/10/tetris-for-game-boy-gets-online-multiplayer/ | TetrisFor Game Boy Gets Online Multiplayer | Tom Nardi | [
"Nintendo Game Boy Hacks"
] | [
"game boy",
"Game Boy Link Cable",
"level shifter",
"Link Cable",
"python",
"Raspberry Pi Pico"
] | Released in 1989, the Game Boy version of
Te
tris
is notable for being the first game to support multiplayer via the so-called “Game Link Cable” accessory. So it’s fitting that, 32 years later, that same game is
now playable with others over the Internet thanks to an open source USB adapter from [stacksmashing]
.
As ex... | 4 | 3 | [
{
"comment_id": "6347436",
"author": "Phillip",
"timestamp": "2021-05-10T20:43:16",
"content": "Fantastic! And honestly I’d love to see it updated for use with Pokemon, especially if it could talk to the 3DS virtual console ports of the games, but I imagine that’s tricky. I found an emulator that wa... | 1,760,373,088.955367 | ||
https://hackaday.com/2021/05/10/truetape64-is-a-pc-interface-for-your-c64-datasette/ | TrueTape64 Is A PC Interface For Your C64 Datasette | Lewin Day | [
"News",
"Retrocomputing"
] | [
"cassette",
"commodore 64",
"datasette"
] | Back in the distant past of the 1980s, software was distributed on audio tape. Ones and zeroes were encoded as tones of different frequencies, and tapes were decoded by specialised hardware which could then spit out raw digital data to an attached computer. While software methods now exist to simply record audio from o... | 32 | 9 | [
{
"comment_id": "6347386",
"author": "Hirudinea",
"timestamp": "2021-05-10T18:54:58",
"content": "Jack Tramiel would be proud, mainly because [Francesco] GutHub site says he built it from parts he had laying around.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,373,089.024106 | ||
https://hackaday.com/2021/05/10/the-armv9-isa-and-what-it-can-do-for-you/ | The ARMv9 ISA, And What It Can Do For You | Maya Posch | [
"ARM",
"Engineering",
"Featured",
"hardware",
"Microcontrollers",
"Slider"
] | [
"arm",
"ARMv9",
"SVE2"
] | The number of distinct ARM Instruction Set Architectures (ISA) versions has slowly increased, with Arm adding a new version every few years. The oldest ISA version in common use today is ARMv6, with the ARMv6 ISA (
ARM11
) found in the original Raspberry Pi SBC and Raspberry Pi Zero (BCM2835). The ARMv6 ISA was introdu... | 38 | 8 | [
{
"comment_id": "6347358",
"author": "rewolff",
"timestamp": "2021-05-10T17:47:13",
"content": "Although I can still buy (except for “chip shortage”) cortex-M0, the new processors from ST and the likes tend to be reasonably modern ARM cores.If they aim for datacenter only use, then they can expect C... | 1,760,373,089.105377 | ||
https://hackaday.com/2021/05/10/embedded-rust-hack-chat/ | Embedded Rust Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"bare metal",
"concurrency",
"embedded",
"garbage collection",
"Hack Chat",
"memory",
"programming language",
"rust"
] | Join us on Wednesday, May 12 at noon Pacific for the
Embedded Rust Hack Chat
with James Munns!
Programming languages, like fashion, are very much a matter of personal taste. Professional developers often don’t have much say in which language they’ll use for a given project, either for legacy or team reasons, but if the... | 18 | 6 | [
{
"comment_id": "6347372",
"author": "Iván Stepaniuk",
"timestamp": "2021-05-10T18:16:59",
"content": "Just my view from 20+ yrs of software development experience: The whole person-fits-language idea only holds in amateur circles or in very inexperienced devs with little to choose from.In reality, ... | 1,760,373,089.547177 | ||
https://hackaday.com/2021/05/11/guitar-with-hot-swappable-pickups-lights-our-fire/ | Guitar With Hot-Swappable Pickups Lights Our Fire | Kristina Panos | [
"Musical Hacks"
] | [
"guitar",
"guitar pickup",
"hot swap",
"humbucker",
"magnets",
"single-coil",
"woodworking"
] | There’s a story that goes something like this: Chet Atkins was playing his guitar when someone remarked, ‘that guitar sounds great!’ Mr. Atkins immediately stopped playing and asked, ‘how does it sound now?’ While it’s true that the sound ultimately comes from you and your attention to expression, we feel that differen... | 17 | 8 | [
{
"comment_id": "6347772",
"author": "Phil Gowan",
"timestamp": "2021-05-11T21:14:33",
"content": "I don’t get the point of the Chet Atkins story, what did he mean to convey when he stopped playing?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347775",
... | 1,760,373,089.29227 | ||
https://hackaday.com/2021/05/11/din-rails-for-everything/ | DIN Rails For… Everything | Al Williams | [
"3d Printer hacks"
] | [
"din",
"DIN rail",
"DIN rails"
] | Cross-section of a 35mm top hat DIN rail.
One of the great things about the Internet is it lets people find out what other people are doing even if they normally wouldn’t have much exposure to each other. For example, in some businesses DIN rails are a part of everyday life. But for a long time, they were not very comm... | 58 | 14 | [
{
"comment_id": "6347741",
"author": "steelman",
"timestamp": "2021-05-11T18:45:54",
"content": "Actually the channel isn’t very convenient for hiding wires because there is no leeway left for unmouting equipment. Professional modules (in Europe we use DIN rails in electrical switchboards (is that h... | 1,760,373,089.38978 | ||
https://hackaday.com/2021/05/11/the-mysterious-wobble-of-muons/ | The Mysterious Wobble Of Muons | Moritz v. Sivers | [
"Current Events",
"Hackaday Columns",
"Original Art",
"Science",
"Slider"
] | [
"g-2",
"magnetic moment",
"muon",
"particle accelerator"
] | You might think that particle physicists would be sad when an experiment comes up with different results than their theory would predict, but nothing brightens up a field like unexplained phenomena. Indeed, particle physicists have been feverishly looking for deviations from the Standard Model. This year, there have b... | 8 | 5 | [
{
"comment_id": "6347805",
"author": "wanderer_",
"timestamp": "2021-05-12T00:00:28",
"content": "Brain hurts. Just give this man a soldering iron and some wires, or an IDE, something other than particle physics (not that I didn’t enjoy not understanding this article, though! :)",
"parent_id": n... | 1,760,373,089.601355 | ||
https://hackaday.com/2021/05/11/3d-printed-desiccant-container-exploits-infill/ | 3D-Printed Desiccant Container Exploits Infill | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"desiccant",
"humidity",
"infill",
"openscad"
] | Desiccant is common in 3D printing because the drier plastic filament is, the better it prints. Beads of silica gel are great for controlling humidity, but finding a porous container for them that is a convenient size is a little harder. 3D printing is a generally useful solution for custom containers, but suffers from... | 15 | 8 | [
{
"comment_id": "6347692",
"author": "Phil",
"timestamp": "2021-05-11T15:43:12",
"content": "Neat. Though I find just tipping the beads into the bottom of a vacuum pot and placing stuff on top works well also. May well try a wall free print to see what happens.",
"parent_id": null,
"depth": ... | 1,760,373,089.928145 | ||
https://hackaday.com/2021/05/11/the-russian-woodpecker-official-bird-of-the-cold-war-nests-in-giant-antenna/ | The Russian Woodpecker: Official Bird Of The Cold War Nests In Giant Antenna | Kristina Panos | [
"Featured",
"History",
"Radio Hacks",
"Slider"
] | [
"blanker",
"Chernobyl",
"cold war",
"Duga radar",
"Duga-1",
"Moscow Muffler",
"OTH radar",
"radar",
"Russian woodpecker",
"shortwave",
"ukraine"
] | On July 4th, 1976, as Americans celebrated the country’s bicentennial with beer and bottle rockets, a strong signal began disrupting shortwave, maritime, aeronautical, and telecommunications signals all over the world. The signal was a rapid 10 Hz tapping that sounded like a woodpecker or a helicopter thup-thupping on ... | 44 | 17 | [
{
"comment_id": "6347667",
"author": "Ren",
"timestamp": "2021-05-11T14:31:56",
"content": "There was a DEW Line radar in Dickinson, ND when I was a kid.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347669",
"author": "Ren",
"timestamp": "... | 1,760,373,089.73748 | ||
https://hackaday.com/2021/05/11/original-game-boy-powered-up-with-gba-motherboard/ | Original Game Boy Powered Up With GBA Motherboard | Tom Nardi | [
"classic hacks",
"Nintendo Game Boy Hacks"
] | [
"DMG-01",
"game boy",
"game boy advance",
"game boy color",
"restoration"
] | The Game Boy DMG-01 is about as iconic as a piece of consumer electronics can get, but let’s be honest, it hasn’t exactly aged well. While there’s certainly a number of games for the system that are still as entertaining in 2021 as they were in the 80s and 90s, the hardware itself is another story entirely. Having to s... | 10 | 6 | [
{
"comment_id": "6347694",
"author": "arnoldexe",
"timestamp": "2021-05-11T15:47:09",
"content": "I think we can all agree this is a very cool hack without denigrating the hardy DMG-01. What it lacks in a backlight it makes up for in mods, incredible battery life, and just general build quality. It’... | 1,760,373,089.649457 | ||
https://hackaday.com/2021/05/11/smallest-discrete-transistor-555-timer/ | Smallest Discrete Transistor 555 Timer | Chris Lott | [
"Misc Hacks"
] | [
"555",
"discrete transistors",
"Hans Camenzind",
"recreation",
"reproduction"
] | Over at Tiny Transistor labs, [Robo] took it upon himself to
reproduce the classic 555 timer
in discrete transistor form. For bonus points, he also managed to put it in a package that’s the same basic size, pin compatible with, and a plug-in replacement for the original. The first task was deciding which 555 circuit to... | 28 | 12 | [
{
"comment_id": "6347599",
"author": "Eric Chapin",
"timestamp": "2021-05-11T08:25:22",
"content": "01005 is close to the size of a grain of table salt. No way I can hand solder those! The smallest I can do is 0603 and I prefer to use 0805 for hand soldering.",
"parent_id": null,
"depth": 1,... | 1,760,373,089.801073 | ||
https://hackaday.com/2021/05/12/scanner-captures-view-master-discs-as-glorious-3d-videos/ | Scanner Captures View-Master Discs As Glorious 3D Videos | Dan Maloney | [
"Retrocomputing",
"Toy Hacks"
] | [
"binocular",
"retro",
"scanner",
"stereoscopic",
"view-master",
"viewer"
] | The toys of the past may have been cheesy, but you can’t deny the creativity needed to build something engaging without any electronics. One stalwart toy from this category is View-Master, the little stereoscopic slide viewer that brought the world to life in seven vibrant scenes. And digitizing these miniature works o... | 25 | 13 | [
{
"comment_id": "6348001",
"author": "Alan McIntyre",
"timestamp": "2021-05-12T15:37:23",
"content": "So this means we’re like, what, 8 months away from a Two Minute Papers video showing how a researcher took 3D stills from this project and used some bleeding-edge machine learning algorithm to turn ... | 1,760,373,089.866627 | ||
https://hackaday.com/2021/05/12/simple-encryption-you-can-do-on-paper/ | Simple Encryption You Can Do On Paper | Jenny List | [
"Hackaday Columns",
"Slider"
] | [
"cryptography",
"end-to-end cryptography",
"one time pad"
] | It’s a concern for Europeans as it is for people elsewhere in the world: there have been suggestions among governments to either outlaw, curtail, or backdoor strong end-to-end encryption. There are many arguments against ruining encryption, but the strongest among them is that encryption can be simple enough to impleme... | 73 | 26 | [
{
"comment_id": "6347963",
"author": "Gravis",
"timestamp": "2021-05-12T14:04:29",
"content": "Great, instructions so that you too can be a Zodiac Killer. ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347969",
"author": "abjq",
"timestam... | 1,760,373,090.037819 | ||
https://hackaday.com/2021/05/12/mind-controlled-flamethrower/ | Mind-Controlled Flamethrower | Bryan Cockfield | [
"Machine Learning"
] | [
"arduino",
"flamethrower",
"machine learning",
"mind control",
"neural network",
"raspberry pi",
"tensorflow",
"Tensorflow Lite"
] | Mind control might seem like something out of a sci-fi show, but like the tablet computer, universal translator, or virtual reality device, is actually a technology that has made it into the real world. While these devices often requires on advanced and expensive equipment to interpret brain waves properly, with the ri... | 16 | 4 | [
{
"comment_id": "6347928",
"author": "Alice Lalita Heald",
"timestamp": "2021-05-12T11:17:10",
"content": "Mind controlled nail gun, with positive feedback :DAnyways we skipped mind controller sex toys!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347931"... | 1,760,373,090.088735 | ||
https://hackaday.com/2021/05/12/testing-3d-printed-worm-gears/ | Testing 3D Printed Worm Gears | Lewin Day | [
"3d Printer hacks"
] | [
"3D printed gears",
"gear drive",
"gearbox",
"worm gear"
] | Worm gears are great if you have a low-speed, high-torque application in which you don’t need to backdrive. [Let’s Print] decided to see if they could print their own worm gear drives that would actually be usable in practice.
The testing is enlightening for anyone looking to use 3D printed gearsets.
(Video, embedded b... | 24 | 8 | [
{
"comment_id": "6347903",
"author": "Raniz",
"timestamp": "2021-05-12T08:50:33",
"content": "Would have been interesting to see how nylon fares without lube",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6347916",
"author": "Thorsten",
"timestamp": "2... | 1,760,373,090.206089 | ||
https://hackaday.com/2021/05/11/play-your-favorite-nokia-game-on-the-raspberry-pi-pico/ | Play Your Favorite Nokia Game On The Raspberry Pi Pico | Lewin Day | [
"Misc Hacks"
] | [
"oled",
"pico",
"Raspberry Pi Pico",
"snake"
] | In many people’s memories,
Snake
lived and breathed on Nokia handsets from the late 90s and early 2000s. However, the game has been around for much longer than that, and will continue to live on in the future. That’s at least in part
thanks to people like [Hari Wiguna] keeping it alive by implementing it on new platfor... | 6 | 5 | [
{
"comment_id": "6347970",
"author": "Doc Oct",
"timestamp": "2021-05-12T14:17:05",
"content": "I remember when this was my favorite QBasic game.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347991",
"author": "Joshua",
"timestamp": "2021-... | 1,760,373,090.305962 | ||
https://hackaday.com/2021/05/11/simple-gui-menus-in-micropython/ | Simple GUI Menus In Micropython | Chris Lott | [
"Software Development"
] | [
"gui",
"menu code",
"micropython",
"python"
] | Love ’em or hate ’em, sometimes your embedded project needs a menu system. Rather than reimplement things each and every time, [sgall17a] put together a
simple GUI menu system in Micropython
that can be reused in all sorts of projects. The approach uses tables to define the menus and actions, and the demo program comes... | 7 | 4 | [
{
"comment_id": "6347827",
"author": "John",
"timestamp": "2021-05-12T02:23:12",
"content": "I think this could become more widely adopted if there were some nice example photos or screenshots of the generated menus in action. The only example I found was the raw code, and that tells me nothing abou... | 1,760,373,090.440723 | ||
https://hackaday.com/2021/05/11/the-coffee-must-flow-replacing-a-spent-lithium-cell-in-a-coffee-machine/ | The Coffee Must Flow: Replacing A Spent Lithium Cell In A Coffee Machine | Maya Posch | [
"Lifehacks",
"Tech Hacks"
] | [
"automatic coffee machines",
"m48t58",
"timekeeper"
] | When [hacky] bought a used Douwe Egberts Gallery 200 all-in-one coffee maker, the machine was known to have a ’empty battery’. Being one of those fancy coffee makers that handle everything from the grinding of coffee beans to the application of hot water and steam, it relies on instructions for each coffee recipe. Unfo... | 37 | 12 | [
{
"comment_id": "6347797",
"author": "David",
"timestamp": "2021-05-11T23:22:06",
"content": "If this isn’t planned obsolescence I don’t know what is!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347800",
"author": "Rogfanther",
"timestamp... | 1,760,373,090.763061 | ||
https://hackaday.com/2021/05/10/apple-airtag-spills-its-secrets/ | Apple AirTag Spills Its Secrets | Jenny List | [
"Microcontrollers",
"Security Hacks",
"Teardown"
] | [
"AirTag",
"apple",
"Apple AirTag",
"nRF52832"
] | The Apple AirTag is a $29 Bluetooth beacon that sticks onto your stuff and helps you locate it when lost. It’s more than just a beeper though, the idea is that it can be silently spotted by any iDevice — almost like a crowd-sourced mesh network — and its owner alerted of its position wherever they are in the world.
The... | 17 | 8 | [
{
"comment_id": "6347323",
"author": "Scott",
"timestamp": "2021-05-10T15:35:51",
"content": "One thing: These Tile ripoffs don’t “stick onto your stuff”. They require a keychain or other accessory to do that, which will cost you anywhere from $13 to $449, in the Apple store. Convenient!",
"pare... | 1,760,373,090.584021 | ||
https://hackaday.com/2021/05/10/south-australia-vs-too-much-home-solar/ | South Australia Vs. Too Much Home Solar | Lewin Day | [
"green hacks",
"Hackaday Columns",
"home hacks",
"Slider",
"Solar Hacks"
] | [
"electrical grid",
"electricity grid",
"gpsdo",
"grid",
"home solar",
"inverter",
"solar inverter",
"solar power"
] | Once upon a time, the consensus was that renewable energy was too expensive and in too sparse supply to be a viable power source to run our proud, electrified societies on. Since then, prices of solar panels have tanked, becoming more efficient along the way, and homeowners have been installing them on their rooftops i... | 209 | 41 | [
{
"comment_id": "6347279",
"author": "Tom Greenhaw",
"timestamp": "2021-05-10T14:10:17",
"content": "They should use the surplus power to desalinate seawater into a reservoir.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347288",
"author": "Rog Fa... | 1,760,373,091.005876 | ||
https://hackaday.com/2021/05/10/building-an-oxygen-concentrator-it-isnt-rocket-science/ | Building An Oxygen Concentrator: It Isn’t Rocket Science | Jenny List | [
"Medical Hacks"
] | [
"COVID",
"india",
"M19 collective",
"oxygen",
"oxygen concentrator"
] | Back at the start of the pandemic, a variety of hacker designs for life-saving machinery may have pushed the boundaries of patient safety. There are good reasons that a ventilator must pass extensive safety testing and certification before it can be attached to a patient, because were it to in some way fail, the patie... | 41 | 17 | [
{
"comment_id": "6347247",
"author": "dingodreams",
"timestamp": "2021-05-10T12:15:51",
"content": "Nitrogen? Surely you mean hydrogen, no?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6347301",
"author": "andarb",
"timestamp": "2021-05-10T... | 1,760,373,090.528821 | ||
https://hackaday.com/2021/05/10/mobile-electronics-workstation-has-it-all-in-a-small-package/ | Mobile Electronics Workstation Has It All In A Small Package | Kristina Panos | [
"classic hacks",
"Lifehacks"
] | [
"component storage",
"electronics tools",
"part storage",
"storage",
"tool case"
] | Home is absolutely everything these days. Plenty of spaces around the abode have had to do double and triple duty as we navigate work, play, and everything in between. Although it’s been a great time to engage in hobbies and even find new ones, where exactly are we supposed put all the stuff that accumulates?
[Fabse89]... | 13 | 2 | [
{
"comment_id": "6347209",
"author": "Dude",
"timestamp": "2021-05-10T09:09:47",
"content": "Here’s an interesting dilemma: if you make a portable bench, do you make it fold and stretch open to provide access and work area as well, or do you use it as a toolbox only?If you use it as a work bench, yo... | 1,760,373,091.057121 | ||
https://hackaday.com/2021/05/09/php-gets-a-demoscene-engine-of-its-very-own/ | PHP Gets A Demoscene Engine Of Its Very Own | Lewin Day | [
"Misc Hacks"
] | [
"demoscene",
"php"
] | When we think demoscene, our first thought is typically of 80s computers, particularly the Commodore 64 and Amiga 500 which were widely regarded as the
awesomest
of their time. However, you can write a demo on any platform you wish,
and [OxABADCAFE] has done just that – in PHP.
Pretty, no?
Going by PDE, standing for Po... | 6 | 3 | [
{
"comment_id": "6347192",
"author": "Entropia",
"timestamp": "2021-05-10T06:26:37",
"content": "I tried my hand at oldskool demoscene effects in PHP some 10 years ago. It’s not realtime though.https://www.youtube.com/watch?v=BfgDSp3naqkhttps://www.youtube.com/watch?v=fT3GJigwlPg",
"parent_id": ... | 1,760,373,092.976635 | ||
https://hackaday.com/2021/05/09/ello-is-a-tiny-computer-with-a-c-interpreter/ | Ello Is A Tiny Computer With A C — Interpreter? | Jenny List | [
"Retrocomputing"
] | [
"C interpreter",
"c++",
"pic32mx",
"retrocomputer"
] | When we talk about a retrocomputer, it’s our normal practice to start with the hardware. But with [KnivD]’s
ELLO 1A
while the hardware is interesting enough it’s not the stand-out feature. We are all used to microcomputers with a BASIC interpreter, but how many have we seen with a C interpreter? The way C works simply ... | 32 | 14 | [
{
"comment_id": "6347155",
"author": "Bruce Perens K6BP",
"timestamp": "2021-05-10T02:21:14",
"content": "To quote the developer: “Trumpeting about great hardware and then leave the user banging his or her head in the wall, and having to search the Internet every time they need to write something, g... | 1,760,373,092.872507 | ||
https://hackaday.com/2021/05/09/hackaday-links-may-9-2021/ | Hackaday Links: May 9, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"ambulance",
"boston dynamics",
"Calibri",
"commodore",
"europe",
"font",
"fungus",
"hackaday links",
"mars",
"mushrooms",
"nypd",
"office",
"qr code",
"robot"
] | Well, that de-escalated quickly. It seems like no sooner than a paper was announced that purported to find
photographic evidence of fungi growing on Mars
, that the planetary science and exobiology community
came down on it like a ton of bricks
. As well they should — extraordinary claims require extraordinary evidence... | 17 | 9 | [
{
"comment_id": "6347139",
"author": "Ostracus",
"timestamp": "2021-05-09T23:24:26",
"content": "“And that’s not to mention the invasion of privacy; very few accident victims are really at their best at that moment, and taking pictures of them is beyond rude. Oh, and it’s illegal, punishable by up t... | 1,760,373,092.633078 | ||
https://hackaday.com/2021/05/09/artwork-spans-fifty-years-of-display-technology/ | Artwork Spans Fifty Years Of Display Technology | Chris Lott | [
"Art"
] | [
"art",
"display technology",
"flip-dot",
"outdoor display"
] | Swiss artist and designer [Jürg Lehni] was commissioned to create an artwork called
Four Transitions
which has been installed in the
HeK (House of electronics Arts)
in Basel. This piece visually depicts the changes in technologies used by public information displays, such as those in airports and train stations. As the... | 20 | 7 | [
{
"comment_id": "6347119",
"author": "Lee Hart",
"timestamp": "2021-05-09T21:13:38",
"content": "What; no CRTs? They were the most common displays in the airports and train stations I’ve visited.Also, no incandescent lamp dot-matrix displays. These were the oldest display technique I recall seeing."... | 1,760,373,092.929976 | ||
https://hackaday.com/2021/05/09/air-assist-analysis-reveals-most-effective-and-quietest-methods/ | Air-Assist Analysis Reveals Most Effective — And Quietest — Methods | Dan Maloney | [
"Laser Hacks"
] | [
"air assist",
"air flow",
"compressor",
"laser cutter",
"lens",
"mirror",
"pump",
"residue",
"smoke"
] | If there’s one thing that continues to impress us about the Hackaday community as the years roll by, it’s the willingness to share what we’ve learned with each other. Not every discovery will be news to everyone, and everything won’t be helpful or even interesting to everyone, but the mere act of sharing on the off cha... | 19 | 12 | [
{
"comment_id": "6347092",
"author": "Yeshua Watson",
"timestamp": "2021-05-09T18:15:30",
"content": "The 1/6 HP Airbrush Compressor from Harbor Freight with a regulator on the K40 has been my go to although the regulator is so wide that it makes it useless. But with a quick connect I can throw the ... | 1,760,373,093.214631 | ||
https://hackaday.com/2021/05/09/polyphony-on-a-tiny-scale/ | Polyphony On A Tiny Scale | Jenny List | [
"Musical Hacks"
] | [
"capacitive touch",
"organ",
"polyphonic"
] | Older readers may remember the Stylophone, a small battery powered electric organ using conductive PCB pads and a stylus to create notes. The simple multivibrators in those instruments made them monophonic, but here in 2021 we can do better than that! [Sjm4306] has gone the extra mile with a PCB organ,
by making a capa... | 4 | 3 | [
{
"comment_id": "6347098",
"author": "CityZen",
"timestamp": "2021-05-09T18:55:14",
"content": "Hmm, I wonder how software-based tone generation would compare with hardware-based on this platform.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6347101",
"a... | 1,760,373,092.674766 | ||
https://hackaday.com/2021/05/09/fix-your-nokias-white-screen-of-death/ | Fix Your Nokia’s White Screen Of Death | Jenny List | [
"Phone Hacks"
] | [
"bluepill",
"N-Gage",
"nokia",
"symbian"
] | Today the Nokia brand can be found on a range of well-screwed-together Androind phones and a few feature phones, but as older readers will remember that before their descent into corporate chaos and the Windows Phone wilderness, there was once a time when the Finnish manufacturer dominated the mobile phone landscape an... | 17 | 10 | [
{
"comment_id": "6347046",
"author": "2ftg",
"timestamp": "2021-05-09T11:56:32",
"content": "FBus tools in general will likely help hobbyists with Nokias.No need to hunt down old service tools if some FOSS variant can be built easily.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,092.733179 | ||
https://hackaday.com/2021/05/09/a-midi-controller-from-a-twister-mat/ | A MIDI Controller — From A Twister Mat? | Jenny List | [
"Toy Hacks"
] | [
"force sensitive resistor",
"midi",
"twister"
] | Twister, the mildly embarrassing but strangely enjoyable floor contortion game that most of us have vague youthful memories of from Christmas parties. Could a Twister mat be used as an input device? [
Guy Dupont
]
took those 24 coloured dots and made just that
, after a conversation with a friend.
Wiring up a floor-siz... | 3 | 3 | [
{
"comment_id": "6347108",
"author": "Hirudinea",
"timestamp": "2021-05-09T19:44:54",
"content": "“Hey, what happened to Bob?”“He broke his pelvis trying to play ‘Mary had a little lamb’.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6347269",
"author": ... | 1,760,373,093.064942 | ||
https://hackaday.com/2021/05/08/calibrating-a-vna-the-proper-way/ | Calibrating A VNA The Proper Way | Jenny List | [
"Radio Hacks"
] | [
"calibration",
"termination",
"vna"
] | Those of us who have bought cheap TinyVNA devices for our RF experimentation will be used to the calibration procedure involving short-circuit, 50 Ω, and open terminations, followed by a direct connection between ports. We do this with a kit of parts supplied with the device, and it makes it ready for our measurements.... | 16 | 7 | [
{
"comment_id": "6346991",
"author": "Magpie",
"timestamp": "2021-05-09T05:34:38",
"content": "I don’t really see the benefit of DIY your own calibrators, when the BOM seems to be going over 50$, considering what the NanoVNA costs from china. The most interesting part is definately the 50 Ohm load r... | 1,760,373,093.027794 | ||
https://hackaday.com/2021/05/08/finally-an-inexpensive-route-to-digital-radio-listening/ | Finally An Inexpensive Route To Digital Radio Listening | Jenny List | [
"Radio Hacks"
] | [
"android",
"digital radio",
"digital radio mondiale"
] | An inexorable trend over the last decade or more has been the exodus of AM radio stations from the low frequency and HF broadcast bands. The bandwidth and thus audio quality at these frequencies puts them at a disadvantage against FM and internet streamed services, and the long-distance advantage of HF has been reduced... | 30 | 14 | [
{
"comment_id": "6346975",
"author": "Ostracus",
"timestamp": "2021-05-09T02:17:47",
"content": "In a world of plenty there’s also the matter of worthy content making it desirable for the public to invest in this new hardware.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,373,092.801439 | ||
https://hackaday.com/2021/05/08/leap-motion-controls-hands-with-no-glove/ | Leap Motion Controls Hands With No Glove | Al Williams | [
"Arduino Hacks",
"Kinect hacks",
"Robots Hacks"
] | [
"animatronic",
"animatronic hand",
"hand",
"Leap motion",
"leap motion controller",
"robot hand",
"servo"
] | It isn’t uncommon to see a robot hand-controlled with a glove to mimic a user’s motion. [All Parts Combined] has a different method. Using a Leap Motion controller, he can r
ecord hand motions with no glove
and then play them back to the robot hand at will. You can see the project in the video, below.
The project seems... | 0 | 0 | [] | 1,760,373,093.250942 | ||
https://hackaday.com/2021/05/08/mits-new-robot-brushes-your-hair/ | MIT’s Hair-Brushing Robot Untangles Difficult Robotics Problem | Kristina Panos | [
"Lifehacks",
"Robots Hacks"
] | [
"closed loop control",
"elder care",
"force feedback",
"hair brushing",
"mit csail",
"robot arm",
"wigsphere"
] | Whether you care to admit it or not, hair is important to self-image, and not being able to deal with it yourself feels like a real loss of independence. To help people with limited mobility,
researchers at MIT CSAIL have created a hair-brushing robot
that combines a camera with force feedback and closed-loop control t... | 12 | 6 | [
{
"comment_id": "6346950",
"author": "Phil the slaphead",
"timestamp": "2021-05-08T21:53:18",
"content": "If only I had hair.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346953",
"author": "Elliot Williams",
"timestamp": "2021-05-08T22:25... | 1,760,373,093.493 | ||
https://hackaday.com/2021/05/08/using-canopy-to-visualize-the-can-bus/ | Using CanoPy To Visualize The CAN Bus | Stephen Ogier | [
"car hacks",
"Software Hacks"
] | [
"CAN",
"can-bus",
"canbus",
"car hacking",
"ICSim",
"reverse engineering"
] | As cars have become more sophisticated electronically, understanding the CAN bus that forms the backbone of automotive digital systems has become more and more important for hacking cars. Inexpensive microcontroller CAN interfaces have made obtaining the raw CAN bus traffic trivial, but interpreting that traffic can be... | 11 | 5 | [
{
"comment_id": "6346896",
"author": "Ostracus",
"timestamp": "2021-05-08T17:25:23",
"content": "Isn’t one of the problems with OBD-II is encrypted messages?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346922",
"author": "Col_Panek",
"tim... | 1,760,373,093.337406 | ||
https://hackaday.com/2021/05/08/reinventing-the-wheel/ | Reinventing The Wheel | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"invention",
"learning",
"newsletter",
"reinvention"
] | You’ve got a perfectly working software library to do just exactly what you want. Why aren’t you using it? Some of you are already yelling something about
NIH syndrome
or reinventing the wheel — I hear you. But at least sometimes, there’s a good enough reason to reinvent the wheel: let’s say you want to learn something... | 62 | 13 | [
{
"comment_id": "6346847",
"author": "Rogfanther",
"timestamp": "2021-05-08T14:09:22",
"content": "And do not forget that , sometimes, that wheel looks like a hexagon, and with some thinking and work, one can devise a better, rounder one.In the venue of the article and code libraries, just because t... | 1,760,373,093.437734 | ||
https://hackaday.com/2021/05/08/automate-your-poultry-with-coopcommand/ | Automate Your Poultry With CoopCommand | Jenny List | [
"green hacks"
] | [
"animal welfare",
"chickens",
"farming",
"hens",
"poultry"
] | A fresh egg taken from beneath a slumbering hen is something to which the taste of a supermarket equivalent rarely compares. The satisfaction of having a contented flock does come at a price though, in the form of constant monitoring and husbandry of your poultry’s well-being. It’s a problem that
[hms-11] has tried to ... | 24 | 9 | [
{
"comment_id": "6346827",
"author": "Phil",
"timestamp": "2021-05-08T11:05:18",
"content": "No anti-fox turrets?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6346828",
"author": "Jabberwock",
"timestamp": "2021-05-08T11:11:46",
"content": "There... | 1,760,373,093.554979 | ||
https://hackaday.com/2021/05/08/a-dutch-city-gets-a-e600000-fine-for-wifi-tracking/ | A Dutch City Gets A €600,000 Fine For WiFi Tracking | Jenny List | [
"News",
"Security Hacks"
] | [
"eu",
"Netherlands",
"privacy",
"wifi tracking"
] | It’s not often that events in our sphere of technology hackers have ramifications for an entire country or even a continent, but there’s
a piece of news from the Netherlands
(Dutch language,
machine translation
) that has the potential to do just that.
Enschede is an unremarkable but pleasant city in the east of the co... | 53 | 18 | [
{
"comment_id": "6346803",
"author": "Artenz",
"timestamp": "2021-05-08T08:22:09",
"content": "City council makes a mistake, but the fine gets paid with public tax money.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346804",
"author": "GGManiack",... | 1,760,373,093.94723 | ||
https://hackaday.com/2021/05/07/this-pov-clock-combines-a-nixie-with-a-pendulum/ | This POV Clock Combines A Nixie With A Pendulum | Dan Maloney | [
"clock hacks"
] | [
"clock",
"IN-12b",
"nixie",
"pendulum",
"persistence of vision",
"POV"
] | Talk about your mixed timekeeping metaphors: there are clocks, and pendulum clocks, and there are Nixie clocks, and persistence of vision clocks. But this is
a Nixie pendulum POV clock
, and we think it’s pretty cool.
We first spied this on
Twitter
and were subsequently pleased to learn that [Jayzon Oeve] has posted a ... | 6 | 5 | [
{
"comment_id": "6346783",
"author": "Hari Wiguna",
"timestamp": "2021-05-08T05:19:19",
"content": "Cool idea!It must be a very delicate balance to turn on each digit long enough so it’s visible but short enough so it won’t be a complete blur!",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,093.858848 | ||
https://hackaday.com/2021/05/07/the-fine-structure-constant-in-a-blink/ | The Fine Structure Constant In A Blink | Al Williams | [
"Science"
] | [
"electrons",
"fine structure constant",
"physics"
] | Electronics is really an applied branch of physics, so it isn’t surprising that if you are serious about your electronics, you probably know a little physics, too. If you’ve ever heard the term
“fine structure constant”
and weren’t entirely sure what it means, [Parth G] wants to explain it to you in about a minute. His... | 8 | 4 | [
{
"comment_id": "6346790",
"author": "Drone",
"timestamp": "2021-05-08T06:13:25",
"content": "This is my favorite expression for the Fine-Structure Constant, there are a handful of others. But as an EE my bias is showing. Let’s see if this will post intact in WP Jetpack, even without pre. It looks O... | 1,760,373,093.755337 | ||
https://hackaday.com/2021/05/07/knex-pinball-machine-is-a-playable-work-of-art/ | K’nex Pinball Machine Is A Playable Work Of Art | Kristina Panos | [
"Games"
] | [
"DIY pinball",
"knex",
"MaKey MaKey",
"pinball"
] | It’s really a wonder that we missed this one, what with all the extra time in front of a computer we’ve had over the last year or so. But better late than never, we always say, so behold, (a little at a time, because there’s quite a lot to look at),
[Tyler Bower]’s pinball machine built entirely from K’nex
.
Where do w... | 12 | 10 | [
{
"comment_id": "6346744",
"author": "Howard",
"timestamp": "2021-05-07T23:22:31",
"content": "That’s an impressive build. Designing a game with more than just targets but with actual game play is hard enough, but then building it in Knex is wicked cool.",
"parent_id": null,
"depth": 1,
... | 1,760,373,093.814001 | ||
https://hackaday.com/2021/05/07/a-trip-down-the-vacuum-clamping-rabbit-hole/ | A Trip Down The Vacuum Clamping Rabbit Hole | Dan Maloney | [
"Tool Hacks"
] | [
"BMP280",
"clamping",
"pressure",
"vacuum",
"wood"
] | We all know how easy it is to fall down the rabbit hole, something that turns a seemingly simple job into an accidental journey of experimentation and discovery. And perhaps nobody is more prone to rabbit-holing than [Matthias Wandel], at least judging by
his recent foray into quantitating different techniques for vac... | 6 | 3 | [
{
"comment_id": "6346719",
"author": "Canoe",
"timestamp": "2021-05-07T20:55:46",
"content": "If the plastic bag is taped down to the table around its edges, sealing it to the table (assuming the table surface is smooth enough to get a good seal), that may work better.",
"parent_id": null,
... | 1,760,373,094.040931 | ||
https://hackaday.com/2021/05/07/homemade-metal-band-saw/ | Homemade Metal Band Saw | Danie Conradie | [
"Tool Hacks"
] | [
"band saw",
"metal working",
"workshop from scratch"
] | As the channel name implies, [Workshop From Scratch] is building a growing list of tools and machines from scratch. His latest edition is a heavy-duty
metal band saw
.
As with all his tools, the frame consists of thick welded steel components. The blade runs on a pair of modified belt pulleys and is driven by a motor w... | 16 | 7 | [
{
"comment_id": "6346696",
"author": "scott.tx",
"timestamp": "2021-05-07T19:04:01",
"content": "builds machine shop tool with fully equipped machine shop… from scratch!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346709",
"author": "Soc Rat",
... | 1,760,373,093.996079 | ||
https://hackaday.com/2021/05/07/how-to-build-a-turbo-car-the-cheap-90s-way/ | How To Build A Turbo Car The Cheap, 90s Way | Lewin Day | [
"car hacks",
"Featured",
"Slider"
] | [
"automotive",
"car",
"cars",
"Fuel injection",
"turbo",
"turbocharger"
] | If you want to coax more power out of your car’s engine, a turbocharger is a great way to go about it. Taking waste energy from the exhaust and using it to cram more air into the engine, they’re one of the best value ways to make big gains in horsepower.
However, unlike simpler mods like a bigger exhaust or a mild cam ... | 56 | 17 | [
{
"comment_id": "6346676",
"author": "MSH Spithoven",
"timestamp": "2021-05-07T17:19:54",
"content": "Got me a megasquirt opensource ECU for my project car back in the day. Worked like a charm!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346679",
... | 1,760,373,094.135586 | ||
https://hackaday.com/2021/05/07/hackaday-podcast-117-chiptunes-in-an-rca-plug-an-arduino-floppy-drive-50-cnc-and-wireless-switches/ | Hackaday Podcast 117: Chiptunes In An RCA Plug, An Arduino Floppy Drive, $50 CNC, And Wireless Switches | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday editors Mike Szczys and Elliot Williams discuss the latest hacks from around the Internet. 3D-Printed linear rails don’t sound like a recipe for a functional CNC machine but there was one this week that really surprised us. We were delighted by the procedurally generated music from a $0.03 microcontroller insi... | 6 | 2 | [
{
"comment_id": "6346859",
"author": "Bryan",
"timestamp": "2021-05-08T15:00:42",
"content": "Greetings from sunny Catalunya, where our viral state of emergency ends tomorrow, May 9. Woohoo!See Colin Furze’s YouTube channel for all your stainless steel umbrella requirements.https://youtu.be/OCq8adZd... | 1,760,373,094.225351 | ||
https://hackaday.com/2021/05/07/improved-graphics-to-drawing-tablet-conversion/ | Improved Graphics-to-Drawing Tablet Conversion | Chris Lott | [
"Art",
"Peripherals Hacks",
"Tablet Hacks"
] | [
"digitizer",
"drawing tablet",
"graphics tablet",
"Retina display hack",
"wacom"
] | [Akaki Kuumeri] had an old Wacom Intuos digitizing graphics tablet collecting dust, and
figured out how to non-destructively transform
it into a drawing tablet. He was inspired by an
old Hackaday post
of a similar hack, but it required literally hacking
a big hole into your Wacom tablet
. Not wanting to permanently rui... | 7 | 4 | [
{
"comment_id": "6346792",
"author": "Regfade",
"timestamp": "2021-05-08T06:35:00",
"content": "Can anyone suggest good open source software for drawing on a tablet, ideally outputting SVG? Maybe I just need to practice with inkskape…",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,373,094.363406 | ||
https://hackaday.com/2021/05/06/building-a-robotic-band-to-make-up-for-lack-of-practice/ | Building A Robotic Band To Make Up For Lack Of Practice | Danie Conradie | [
"Musical Hacks",
"Robots Hacks"
] | [
"guitar",
"hi-hat",
"ivan miranda",
"snare drum"
] | Learning to play a musical instrument well requires a significant time investment. [Ivan Miranda] had dreamt of doing this but made peace with the fact that his talents and motivation lay in building machines. However, he has decided to play to his strengths and is building a robotic band. See the videos after the brea... | 6 | 6 | [
{
"comment_id": "6346376",
"author": "RP",
"timestamp": "2021-05-06T19:11:20",
"content": "Bringing Animusic to life!https://www.youtube.com/watch?v=xZ1nr3wk_nE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6346466",
"author": "echodelta",
"timestamp"... | 1,760,373,094.181334 | ||
https://hackaday.com/2021/05/06/spacex-drops-the-ball-on-catching-fairings/ | SpaceX Drops The Ball On Catching Fairings | Tom Nardi | [
"Engineering",
"Featured",
"Interest",
"Slider",
"Space"
] | [
"fairing",
"Falcon 9",
"ocean",
"recovery",
"SpaceX"
] | You don’t have to look very hard to find another rousing success by SpaceX. It’s a company defined by big and bold moves, and when something goes right, they make sure you know about it. From launching a Tesla into deep space to the captivating test flights of their next-generation Starship spacecraft, the private comp... | 91 | 17 | [
{
"comment_id": "6346315",
"author": "Gravis",
"timestamp": "2021-05-06T16:21:21",
"content": "Failure is the fastest method to learn about a mistake. It can be costly and even dangerous but if time is your primary concern then failure is often the best path to success.",
"parent_id": null,
... | 1,760,373,094.490879 | ||
https://hackaday.com/2021/05/06/hacker-spends-a-few-cycles-upgrading-an-under-desk-bike/ | Hacker Spends A Few Cycles Upgrading An Under-Desk Bike | Kristina Panos | [
"Wireless Hacks"
] | [
"bluetooth",
"desk bike",
"wireshark"
] | Pandemic got you way behind on your exercise goals? Us too. But not [codaris] who bought an under-desk bike to get in a bit of cycling while banging away on the keyboard. The only bad thing about this bike is the accompanying app — it’s all-around weak and requires too many steps just to get to peddlin’. It pays to kno... | 12 | 5 | [
{
"comment_id": "6346294",
"author": "Mike Szczys",
"timestamp": "2021-05-06T15:37:46",
"content": "Whoops, I think we already covered this one:https://hackaday.com/2021/04/17/pedaling-away-under-the-cover-of-your-desk/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,373,094.542857 | ||
https://hackaday.com/2021/05/06/ask-hackaday-if-aliens-came-by-would-we-even-notice/ | Ask Hackaday: If Aliens Came By, Would We Even Notice? | Al Williams | [
"Curated",
"Featured",
"Interest",
"Original Art",
"Science",
"Slider"
] | [
"aliens",
"ceti",
"Extraterrestial",
"meti",
"SETI"
] | A few years ago we talked about the chance that the
first known extrasolar visitor
— Oumuamua — might be a derelict solar sail. That notion has been picking up steam in the popular press lately, and it made us think again about the chances that the supposed rock was really a solar sail discarded or maybe even a probe f... | 112 | 33 | [
{
"comment_id": "6346274",
"author": "Foldi-One",
"timestamp": "2021-05-06T15:04:01",
"content": "Maths as we commonly use it is definitely entirely made up, its a set of rules that allow us to do things like count big batches and communicate values conveniently. Just have to look at say base 8 math... | 1,760,373,094.908573 | ||
https://hackaday.com/2021/05/06/putting-an-ultra-tiny-linux-board-in-a-phone-charger-eventually/ | Putting An Ultra-Tiny Linux Board In A Phone Charger…Eventually | Tom Nardi | [
"computer hacks",
"Security Hacks"
] | [
"A33",
"Allwinner",
"ARM Cortex-A7",
"network security",
"pentesting",
"SBC",
"single board computer",
"WiFiWart"
] | Among security professionals, a “drop box” is a device that can be covertly installed at a target location and phone home over the Internet, providing a back door into what might be an otherwise secure network. We’ve seen both commercial and DIY versions of this concept, and as you might expect, one of the main goals i... | 67 | 16 | [
{
"comment_id": "6346200",
"author": "Alice Lalita Heald",
"timestamp": "2021-05-06T11:53:46",
"content": "Finally someone thought of this! With a nice 3D printed black enclosure.And tor proxy to penetrate NAT.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,373,094.747006 | ||
https://hackaday.com/2021/05/06/the-keyboard-you-really-dont-need-or-want/ | The Keyboard You Really Don’t Need Or Want | Matthew Carlson | [
"Microcontrollers",
"Wireless Hacks"
] | [
"chording",
"chording keyboard",
"ESP32",
"keyboard"
] | Most people think of a keyboard as a flat, vaguely rectangular thing with around 100ish different keys. A mechanical keyboard enthusiast would heartily disagree and point out various tenkeyless, 75%, 60%, or 40% keyboards that strip down the idea of what a keyboard is by taking keys out. [Stavros Korokithakis] takes th... | 48 | 20 | [
{
"comment_id": "6346166",
"author": "imqqmi",
"timestamp": "2021-05-06T08:45:07",
"content": "I can imagine if someone has a disability that only allows finger movement this could be a godsend.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6346172",
"aut... | 1,760,373,094.641167 | ||
https://hackaday.com/2021/05/05/vme-reverse-engineering/ | VME Reverse Engineering | Chris Lott | [
"Retrocomputing"
] | [
"Motorola 68000",
"reverse engineering",
"VMEbus"
] | With some free time on his hands waiting for delayed parts to arrive, [Rik] set out to
reverse engineer an old VME system
he had acquired.
VMEbus
computers are based on the standard
Eurocard
PCB format, which defines a wide range of card sizes — the most common being 6U height like [Rik]’s system. They usually consist ... | 28 | 17 | [
{
"comment_id": "6346146",
"author": "mime",
"timestamp": "2021-05-06T06:37:33",
"content": "wow look how many ICs they managed to cram onto that PCB. Like sardines in a can.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346174",
"author": "J. Pete... | 1,760,373,095.033753 | ||
https://hackaday.com/2021/05/05/modified-microwave-cures-resin-parts-with-style/ | Modified Microwave Cures Resin Parts With Style | Tom Nardi | [
"Microcontrollers",
"Tool Hacks"
] | [
"curing",
"microwave",
"microwave oven",
"pic16",
"UV LED",
"UV resin"
] | Once you make the leap to resin-based 3D printing, you’ll quickly find that putting parts out in the sun to cure isn’t always a viable solution. The best way to get consistent results is with a dedicated curing chamber that not only rotates the parts so they’re evenly exposed to the light, but allows you to dial in a s... | 18 | 5 | [
{
"comment_id": "6345919",
"author": "Marvin",
"timestamp": "2021-05-05T11:24:28",
"content": "why do these videos always need utterly annoying blaring music?!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6345929",
"author": "BT",
"timestam... | 1,760,373,094.965065 | ||
https://hackaday.com/2021/05/05/rca-plug-plays-sixteen-minute-chiptune-piece-all-by-itself/ | RCA Plug Plays Sixteen-Minute Chiptune Piece, All By Itself | Dan Maloney | [
"Musical Hacks"
] | [
"asm",
"ATtiny4",
"AVR",
"chiptune",
"low pass filter",
"Padauk",
"pwm",
"RCA"
] | Frequenters of arcades back in the golden age of video games will likely recall the mix of sounds coming from a properly full arcade, the kind where you stacked your quarters on a machine to stake your claim on being next in line to play. They were raucous places, filled with the simple but compelling sounds that accom... | 12 | 7 | [
{
"comment_id": "6345872",
"author": "Steven",
"timestamp": "2021-05-05T08:16:41",
"content": "Cool, but can you squeeze Eruption by Van Halen in there? I’ve got a personal tradition of putting that song first on any device I can, just for fun.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,373,095.126444 | ||
https://hackaday.com/2021/05/04/lego-wheels-and-tracks-benchmarked-for-your-pleasure/ | Lego Wheels And Tracks Benchmarked For Your Pleasure | Lewin Day | [
"Misc Hacks"
] | [
"lego",
"lego tracks",
"lego wheels"
] | For many people, Lego is their first entry into the world of engineering. With the Technic line of building blocks complete with all manner of gears and shafts and wheels, there’s a ton of fun to be had while learning about the basic principles of mechanical things. The [Brick Experiment Channel] takes Lego quite serio... | 7 | 3 | [
{
"comment_id": "6345856",
"author": "jpa",
"timestamp": "2021-05-05T05:26:19",
"content": "Just a guess, but the reason why smaller contact patch could have more friction in this test is that with the force concentrated on a smaller area, the rubber deforms more. It can then reach deeper to the sma... | 1,760,373,095.078883 | ||
https://hackaday.com/2021/05/04/avr-bare-metal-with-lisp/ | AVR Bare Metal With Lisp | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"AVR",
"lisp",
"ulisp"
] | There are two kinds of programmers: those who don’t use Lisp, and those who need new parenthesis keycaps every six months. Lisp is one of those languages you either really love or really hate. If you love it, you may have checked out ulisp, which runs on Arduino boards of the AVR and ARM variety, as well as ESP chips, ... | 21 | 11 | [
{
"comment_id": "6345849",
"author": "Ostracus",
"timestamp": "2021-05-05T03:18:47",
"content": "“There are two kinds of programmers: those who don’t use Lisp, and those who need new parenthesis keycaps every six months. ”Exercise the foot.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,373,095.681352 | ||
https://hackaday.com/2021/05/04/prioritising-mechanical-multiplexer/ | Prioritising Mechanical Multiplexer | Danie Conradie | [
"News",
"Robots Hacks"
] | [
"james bruton",
"mechanical",
"multiplexing"
] | When automating almost any moderately complex mechanical task, the actuators and drive electronics can get expensive quickly. Rather than using an actuator for every motion, mechanical multiplexing might be an option. [James Bruton] has considered using it in some of his many robotics projects, so he built a
prioritizi... | 17 | 9 | [
{
"comment_id": "6345824",
"author": "Daniel Dunn",
"timestamp": "2021-05-04T23:11:36",
"content": "This is incredibly awesome, but I have my doubts from a cost saving perspective, because mechanical stuff makes assembly and repair harder, and is usually the thing that wears out.I think the most imp... | 1,760,373,095.180893 | ||
https://hackaday.com/2021/05/04/robotic-gripper-from-a-squishy-ball/ | Robotic Gripper From A Squishy Ball | Danie Conradie | [
"Robots Hacks"
] | [
"Bean Bag",
"gripper",
"james bruton",
"soft robotics"
] | Soft robotic grippers have some interesting use cases, but the industrial options are not cheap. [James Bruton] was fascinated by the $4000 “bean bag” gripper from Empire Robotics, so he decided to
build his own
.
The gripper is just a flexible rubber membrane filled with small beads. When it is pushed over a object an... | 11 | 8 | [
{
"comment_id": "6345768",
"author": "JWhitten",
"timestamp": "2021-05-04T20:09:23",
"content": "I wonder if a combination of pneumatics and ridged surface (“skin”) to give it some grip would solve the problem?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "63... | 1,760,373,095.227591 | ||
https://hackaday.com/2021/05/04/synth-gains-plug-and-play-analog-mux/ | Synth Gains Plug And Play Analog MUX | Chris Lott | [
"Musical Hacks"
] | [
"cd4051",
"mux",
"plug and play",
"synth"
] | High school computer engineering teacher [Andy Birch] kept losing track of I/O pins on his home-built synth, so he made a custom
plug and play addressable MUX system
to solve the problem. [Andy]’s synth is based on the Teensy microcontroller, and he was already using CMOS analog 8:1 multiplexer chips (CD4051) to give h... | 3 | 3 | [
{
"comment_id": "6345850",
"author": "Dave",
"timestamp": "2021-05-05T03:38:52",
"content": "I want to go to Andy’s high school.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6345982",
"author": "M_A_S",
"timestamp": "2021-05-05T16:59:50",
"conten... | 1,760,373,095.359505 | ||
https://hackaday.com/2021/05/07/this-week-in-security-byovd-spectre-vx-more-octal-headaches-and-exiftool/ | This Week In Security: BYOVD, Spectre Vx, More Octal Headaches, And ExifTool | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"android",
"ExifTool",
"Exim",
"Spectre",
"This Week in Security"
] | I learned a new acronym while reading about
a set of flaws in the Dell BIOS update system
. Because Dell has patched their driver, but hasn’t yet revoked the signing keys from the previous driver version, it is open to a BYOVD attack.
BYOVD, Bring Your Own Vulnerable Driver, is an interesting approach to Windows privil... | 16 | 5 | [
{
"comment_id": "6346645",
"author": "tekkieneet",
"timestamp": "2021-05-07T14:55:10",
"content": ">I’ve often joked that x86 processors don’t really run the x86 instruction set, they emulate it.It is emulation if you have different hardware.e.g. 68xxx FPU emulation for a processor is done in except... | 1,760,373,095.413296 | ||
https://hackaday.com/2021/05/07/pocket-sized-wii-sets-the-bar-for-portable-builds/ | Pocket Sized Wii Sets The Bar For Portable Builds | Tom Nardi | [
"Nintendo Hacks"
] | [
"clamshell",
"console modding",
"trimmed",
"wii portable"
] | Over the last few years we’ve seen several projects that convert Nintendo’s Wii into a handheld console by way of a “trimming”, wherein the system’s motherboard is literally cut down to a fraction of its original size. This is made possible due to the fact that the majority of the console’s critical components were phy... | 4 | 2 | [
{
"comment_id": "6346614",
"author": "wanderer_",
"timestamp": "2021-05-07T12:54:03",
"content": "Linus Tech Tips did a version of this, but theirs is larger and uses a kit. They do show how they cut down an original PCB, and they put some jailbroken software on it.Here, in case you want to take a l... | 1,760,373,095.457067 | ||
https://hackaday.com/2021/05/07/auto-strummer-can-plectrum-the-whole-flat-strumming-spectrum/ | Auto Strummer Can Plectrum The Whole Flat-Strumming Spectrum | Kristina Panos | [
"Arduino Hacks",
"Musical Hacks"
] | [
"28BYJ-48",
"arduino",
"arduino pro mini",
"bipolar stepper motor",
"blinkenbuttons",
"guitar",
"stepper motor",
"strumming"
] | Playing the guitar requires speed, strength, and dexterity in both hands. Depending on your mobility level, rocking out with your axe might be impossible unless you could somehow hold down the strings and
have a robot do the strumming for you
.
[Jacob Stambaugh]’s Auto Strummer uses six lighted buttons to tell the hidd... | 3 | 2 | [
{
"comment_id": "6346694",
"author": "aG_anthony_Gomes",
"timestamp": "2021-05-07T18:57:11",
"content": "Sounds terrible",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346749",
"author": "Hirudinea",
"timestamp": "2021-05-07T23:40:09",
... | 1,760,373,095.57565 | ||
https://hackaday.com/2021/05/06/shake-up-your-magic-8-ball-with-gifs/ | Shake Up Your Magic 8-Ball With GIFs | Kristina Panos | [
"Raspberry Pi"
] | [
"decision making",
"GIF",
"Magic 8-ball",
"raspberry pi",
"Raspberry Pi 3"
] | When you need quick answers to life’s burning yes or no questions, most reasonable people reach for a Magic 8-Ball. But since we all have most of those answers memorized at this point, has the Magic 8-Ball sunk to a cliche and become less useful in the present day?
Signs point to yes.
Yeah, maybe.
Not to worry, because... | 8 | 4 | [
{
"comment_id": "6346567",
"author": "Karlotta Harrumphed",
"timestamp": "2021-05-07T07:48:30",
"content": "Crossbreed it with a gyroscopic ball for wriststrenghtening batteryfree soothsaying and I’ll consider a purchase.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,373,095.622401 | ||
https://hackaday.com/2021/05/06/finding-dark-ships-via-satellite/ | Finding Dark Ships Via Satellite | Al Williams | [
"Space"
] | [
"ais",
"automatic identification system",
"dark ships",
"ESA",
"hawkeye 360",
"Sentinel 1",
"spy satellite",
"Synthetic aperture radar",
"tanker"
] | It would seem that for as long as there have been ships on the ocean, there’s been smuggling. The International Maritime Organisation requires ships to have AIS, the automatic identification system which is akin to a transponder on an airplane. However, if you don’t want to be found, you often turn off your AIS. So how... | 34 | 16 | [
{
"comment_id": "6346497",
"author": "Ostracus",
"timestamp": "2021-05-07T02:17:26",
"content": "Enemy of the state, may soon be possible.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346525",
"author": "Gravis",
"timestamp": "2021-05-07T0... | 1,760,373,095.798079 | ||
https://hackaday.com/2021/05/06/adding-mqtt-to-a-solar-powered-pir-light/ | Adding MQTT To A Solar Powered PIR Light | Danie Conradie | [
"ATtiny Hacks",
"home hacks"
] | [
"mqtt",
"pir",
"solar light"
] | The size and price of the ESP wifi modules have quickly made them into one of the preferred building blocks for IoT devices. Unfortunately they are not particularly well suited for very low power applications. [LittlePetieWheat] wanted to
add MQTT to a cheap PIR solar light
, so he paired an ESP with an Attiny85 to ho... | 10 | 5 | [
{
"comment_id": "6346544",
"author": "echodelta",
"timestamp": "2021-05-07T05:59:50",
"content": "Solar heat and flags of plastic sticky tape. What could go wrong? Fourth of July flag waving with fireworks! At least a sticky black mess if ever opened again.",
"parent_id": null,
"depth": 1,
... | 1,760,373,095.728869 | ||
https://hackaday.com/2021/05/06/coffee-stirrers-act-as-lens-for-this-digital-straw-camera/ | Coffee Stirrers Act As Lens For This Digital Straw Camera | Dan Maloney | [
"digital cameras hacks"
] | [
"camera",
"digital",
"ground glass",
"optics",
"photography",
"Pi",
"raspberry",
"straw"
] | What happens when you mix over 23,000 coffee stirrers and a Raspberry Pi camera together? Probably nothing except for a mess, unless you very specifically pack the plastic straws and orient the camera just right. In that case, you get
this very cool lenless digital straw camera
that takes artfully ghostly images.
Image... | 32 | 14 | [
{
"comment_id": "6346395",
"author": "SPD",
"timestamp": "2021-05-06T20:20:29",
"content": "So its a reverse shadowmask?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6346396",
"author": "Dude",
"timestamp": "2021-05-06T20:20:37",
"content": "Damm... | 1,760,373,095.871804 | ||
https://hackaday.com/2021/05/05/learn-engineering-concepts-with-some-cool-animations/ | Learn Engineering Concepts With Some Cool Animations | Danie Conradie | [
"Science"
] | [
"animation",
"engineering",
"fea"
] | All feats of engineering build on a proper understanding of the basic engineering concepts. Learning these concepts from a book or class tends to be a rather uninspiring exercise, unfortunately. To make this task a lot more enjoyable,
[The Efficient Engineer]
has produced a series of high-quality, easy-to-watch videos ... | 5 | 4 | [
{
"comment_id": "6346121",
"author": "Kevin Katz",
"timestamp": "2021-05-06T02:56:58",
"content": "Wow, marry me. (That means you, too, hackaday)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6346145",
"author": "Elliot Williams",
"timestamp... | 1,760,373,095.915168 | ||
https://hackaday.com/2021/05/05/a-wireless-speaker-pair-from-dead-earbuds/ | A Wireless Speaker Pair From Dead Earbuds | Danie Conradie | [
"home entertainment hacks"
] | [
"bluetooth",
"diy perks",
"speakers",
"wireless"
] | Building a Bluetooth speaker is easy with the availability of cheap Bluetooth receivers, but surprisingly there isn’t a simple way to build a pair of truly wireless stereo speakers. [Matt] from
DIY Perks
realized that modern
Bluetooth earbuds contain all the electronics to do just that
.
Due to the popularity of these ... | 23 | 8 | [
{
"comment_id": "6346100",
"author": "wanderer_",
"timestamp": "2021-05-06T00:38:27",
"content": "Mark? I thought it was Matt…Anyway, I have a project going to take some Bluetooth earbuds and make them into a receiver with a 3.5mm jack. All parts are currently acquired except an enclosure, which wil... | 1,760,373,095.979202 | ||
https://hackaday.com/2021/05/05/a-diy-enclosed-motorcycle-to-keep-you-dry-in-the-rain/ | A DIY Enclosed Motorcycle To Keep You Dry In The Rain | Danie Conradie | [
"Transportation Hacks"
] | [
"crash",
"enclosed",
"motorcycle"
] | Motorcyclist’s vulnerability to bodily harm and weather has spawned several enclosed motorcycle designs over the years. Fascinated by the idea, [Meanwhile in the garage] finally got around to
building his own
. (Video, embedded below.)
The vehicle started life as a 125cc scooter, stripped of all the unnecessary bits, h... | 41 | 22 | [
{
"comment_id": "6346039",
"author": "Eric Cherry",
"timestamp": "2021-05-05T20:14:46",
"content": "Something I’ve been kicking around making is something akin to the Honda Carenhttp://auctiong.uamulet.com/AuctionGoodsDetail.aspx?qid=688851To limit the head scratching, it’s basically a small displac... | 1,760,373,096.054009 | ||
https://hackaday.com/2021/05/05/using-docker-to-sail-through-open-source-xilinx-fpga-development/ | Using Docker To Sail Through Open-Source Xilinx FPGA Development | Stephen Ogier | [
"FPGA"
] | [
"docker",
"fpga toolchain",
"openocd",
"symbiflow",
"yosys"
] | Until a few years ago, developing for FPGAs required the use of proprietary locked-down tools, but in the last few years, the closed-source dam has burst, and open-source FPGA tools such as Yosys, SimbiFlow, and Icestorm have come flooding out. Setting up a build environment for these exciting new tools can still be qu... | 21 | 9 | [
{
"comment_id": "6346015",
"author": "Victor",
"timestamp": "2021-05-05T18:46:30",
"content": "Here is another one (it’s only ~1GB) that includes support for ICE40 and ECP5 and formal verification open source toolshttps://github.com/vmunoz82/eda_tools",
"parent_id": null,
"depth": 1,
"re... | 1,760,373,096.11038 | ||
https://hackaday.com/2021/05/05/julius-sumner-miller-made-physics-fun-for-everyone/ | Julius Sumner Miller Made Physics Fun For Everyone | Kristina Panos | [
"Art",
"Biography",
"Hackaday Columns",
"Slider"
] | [
"physics",
"physics demonstrations",
"Professor Wonderful",
"profiles in science",
"Why Is It So?"
] | Let’s face it — for the average person, math and formulas are not the most attractive side of physics. The fun is in the hands-on learning, the lab work, the live action demonstrations of Mother Nature’s power and prowess. And while it’s true that the student must be willing to learn, having a good teacher helps immens... | 38 | 17 | [
{
"comment_id": "6345994",
"author": "Ostracus",
"timestamp": "2021-05-05T17:31:47",
"content": "“Let’s face it — for the average person, math and formulas are not the most attractive side of physics.”E=MC^2 : I just get a bang out of it.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,096.24484 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.