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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2022/01/27/recreating-ms-paint-for-the-esp32/ | Recreating MS Paint For The ESP32 | Lewin Day | [
"Misc Hacks"
] | [
"ESP32",
"microsoft paint",
"ms paint"
] | Microsoft Paint was one of the first creative outlets for many children when they first laid hands on a computer in the 1990s. Now, [Volos Projects] has brought the joy of this simple application
to a more compact format on the ESP32!
The GUI is a fair bit simpler than even the Windows 3.1 version of MS Paint, looking ... | 11 | 7 | [
{
"comment_id": "6418019",
"author": "CRJEEA",
"timestamp": "2022-01-27T21:06:47",
"content": "Next up, loading Windows 3.1 or CE onto it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6418370",
"author": "Joshua",
"timestamp": "2022-01-28T1... | 1,760,372,808.504264 | ||
https://hackaday.com/2022/01/27/reject-modernity-return-to-tamagotchi/ | Reject Modernity; Return To Tamagotchi | Arya Voronova | [
"handhelds hacks",
"Toy Hacks"
] | [
"atsamd21",
"pawpet",
"tamagotchi"
] | Browsing through the recent projects on Hackaday.io, we’ve found this entry by [NanoCodeBug]:
a single-PCB low-power trinket reviving the “pocket pet” concept
while having some fun in the process! Some serious thought was put into making this device be as low-power as possible – with a gorgeous Sharp memory LCD and a l... | 9 | 4 | [
{
"comment_id": "6418254",
"author": "tyjtyj",
"timestamp": "2022-01-28T12:30:07",
"content": "good number of keys, meybe to small screen (old boy need this)nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6418258",
"author": "wfewtrt.pl",
"timestam... | 1,760,372,808.800604 | ||
https://hackaday.com/2022/01/27/remoticon-2021-voja-antonic-makes-you-a-digital-designer/ | Remoticon 2021 // Voja Antonic Makes You A Digital Designer | Dave Rowntree | [
"cons",
"Hackaday Columns",
"Microcontrollers",
"Slider"
] | [
"2021 Hackaday Remoticon",
"Digital electronics",
"logic",
"microcontrollers",
"Voja Antonic"
] | [Voja Antonic] has been building digital computers since before many of us were born. He designed with the Z80 when it was
new
, and has decades of freelance embedded experience, so when he takes the time to present a talk for us, it’s worth paying attention.
For his Remoticon 2022 presentation, he will attempt to teac... | 10 | 5 | [
{
"comment_id": "6418047",
"author": "fofo",
"timestamp": "2022-01-27T22:23:19",
"content": "Thanks that was an awesome presentation. I really like the effort for making it. With all that demos and stuff. The batch also looks cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,809.05636 | ||
https://hackaday.com/2022/01/27/robotic-xylophone-makes-music-with-midi-magic/ | Robotic Xylophone Makes Music With MIDI Magic | Chris Wilkinson | [
"Musical Hacks",
"Robots Hacks"
] | [
"arduino",
"marimba",
"music",
"Musical",
"solenoid",
"xylophone"
] | The MIDI format has long been used to create some banging electronic music, so it’s refreshing to see how [John P. Miller] applied the standard in his decidedly analog
self-playing robotic xylophone
.
Framed inside a fetching Red Oak enclosure, the 25-key instrument uses individual solenoids for each key, meaning that ... | 8 | 4 | [
{
"comment_id": "6417924",
"author": "Jon",
"timestamp": "2022-01-27T16:47:38",
"content": "Too bad the clacking of the solenoids or wood on wood hitting takes away from the xylophone sound. Maybe some other solenoids or dampers would help. Otherwise cool build",
"parent_id": null,
"depth": ... | 1,760,372,809.003641 | ||
https://hackaday.com/2022/01/27/sherloc-and-the-search-for-life-on-mars/ | SHERLOC And The Search For Life On Mars | Dan Maloney | [
"Current Events",
"Featured",
"News",
"Original Art",
"Science",
"Slider"
] | [
"astrobiology",
"laser",
"mars",
"organic",
"Perseverance",
"Raman",
"spectroscopy",
"Stokes",
"uv"
] | Humanity has been wondering about whether life exists beyond our little backwater planet for so long that we’ve developed a kind of cultural bias as to how the answer to this central question will be revealed. Most of us probably imagine that NASA or some other space agency will schedule a press conference, an assemble... | 24 | 5 | [
{
"comment_id": "6417898",
"author": "spiritplumber",
"timestamp": "2022-01-27T15:22:13",
"content": "You can also pick up chlorophyll directly with this.https://www.youtube.com/watch?v=x-xffa_ewnU",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6417905",
"... | 1,760,372,808.867541 | ||
https://hackaday.com/2022/01/27/an-up-to-date-development-environment-for-the-nokia-n-gage/ | An Up-To-Date Development Environment For The Nokia N-Gage | Jenny List | [
"Phone Hacks",
"Software Development"
] | [
"handheld game",
"N-Gage",
"nokia",
"symbian"
] | One of the brave but unsuccessful plays from Nokia during their glory years was the N-Gage, an attempt to merge a Symbian smartphone and a handheld game console. It may not have managed to dethrone the Game Boy Advance but it still has a band of enthusiasts, and among them is [Michael Fitzmayer] who has produced
a CMak... | 18 | 6 | [
{
"comment_id": "6417856",
"author": "Dude",
"timestamp": "2022-01-27T12:11:09",
"content": "> Nokia’s tragedy was that they appeared not to understand what they had in SymbianLeading up to the Microsoft takeover, the board of directors were filled with moles who attempted to bring the market value ... | 1,760,372,808.706765 | ||
https://hackaday.com/2022/01/27/upgrading-a-soviet-calculator-with-a-modern-cpu/ | Upgrading A Soviet Calculator With A Modern CPU | Robin Kearey | [
"classic hacks",
"Parts"
] | [
"CPU upgrade",
"Elektronika MK-85",
"programmable calculator"
] | Today’s supply chain issues can make it hard to buy microcontrollers, or really any kind of semiconductor. But for those keeping retrocomputers alive, this problem has always existed: ancient components might have been out of production for decades, with a dwindling supply of second-hand parts or “new old stock” as the... | 17 | 7 | [
{
"comment_id": "6417861",
"author": "BT",
"timestamp": "2022-01-27T12:41:00",
"content": "I would have been interested to see pictures of the whole calculator, not just parts of the circuit board.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6417864",
... | 1,760,372,808.75732 | ||
https://hackaday.com/2022/01/26/turn-on-sarcasm-with-the-flip-of-a-switch/ | Turn On Sarcasm With The Flip Of A Switch | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"communication",
"keyboard",
"online",
"pico",
"poe's law",
"raspberr pi",
"sarcasm",
"uart",
"usb"
] | Sarcasm is notoriously difficult to distinguish in online communities. So much, in fact, that a famous internet rule called Poe’s Law is named after the phenomenon. To adapt, users have adopted several methods for indicating implied sarcasm such as the
/s
tag, but more recently a more obvious sarcasm indicator has appe... | 43 | 16 | [
{
"comment_id": "6417809",
"author": "macsimski",
"timestamp": "2022-01-27T07:29:35",
"content": "Pff. I cOuLd hAvE dOnE tHaT wItH a FiVeFiVeFiVe….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6417819",
"author": "Ø",
"timestamp": "2022-01-... | 1,760,372,808.954126 | ||
https://hackaday.com/2022/01/26/better-farming-through-electricity/ | Better Farming Through Electricity | Al Williams | [
"News",
"Science"
] | [
"agriculture",
"electroculture",
"farming"
] | Chinese researchers are reporting that applying
an electric field to pea plants
increased yields. This process — known as electroculture — has been tested multiple times, but in each case there are irregularities in the scientific process, so there is still an opportunity for controlled research to produce meaningful d... | 28 | 12 | [
{
"comment_id": "6417778",
"author": "David",
"timestamp": "2022-01-27T03:09:45",
"content": "There is nothing new about this. I’m 75 years old and remember doing a science experiment like this in grade school using pins and a battery on bean sprouts. And it wasn’t new knowledge then. I don’t rem... | 1,760,372,808.658443 | ||
https://hackaday.com/2022/01/26/pocket-sized-doom-is-actually-playable/ | Pocket-Sized Doom Is Actually Playable | Lewin Day | [
"Misc Hacks"
] | [
"doom",
"ESP32",
"retro-go"
] | It used to be that you needed a well-equipped expensive new beige-box PC if you wanted to play Doom at all. Now, you can do so in a form factor with a footprint smaller than a credit card,
as demonstrated by this nifty little build from Adafruit.
The build relies on the
Retro-Go firmware
for ESP32 devices, which can em... | 19 | 5 | [
{
"comment_id": "6417758",
"author": "EBo",
"timestamp": "2022-01-27T00:44:19",
"content": "I looked on Adafruit and I see the QT Py, but not the interface board. While I would enjoy to toy with one for the sheer geekyness of it, I would actually live to try to hack this to build interfaces for sma... | 1,760,372,808.45815 | ||
https://hackaday.com/2022/01/26/building-switching-points-for-a-backyard-railway/ | Building Switching Points For A Backyard Railway | Lewin Day | [
"Misc Hacks",
"Transportation Hacks"
] | [
"points",
"railway",
"switch"
] | A home-built railway is one of the greatest things you could possibly use to shift loads around your farm. [Tim] and [Sandra] of YouTube channel [Way Out West] have just such a setup, but they needed some switching points to help direct carriages from one set of rails to another.
Fabrication ensued!
The basic layout of... | 7 | 3 | [
{
"comment_id": "6417718",
"author": "Robb Smith",
"timestamp": "2022-01-26T21:52:25",
"content": "Somebody should put Tim and Sandra in touch with the guy who did the electric Minecraft cart featured earlier on Hackaday.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,809.162695 | ||
https://hackaday.com/2022/01/26/reverse-engineering-the-next-computer-keyboard-protocol/ | Reverse Engineering The NeXT Computer Keyboard Protocol | Lewin Day | [
"Peripherals Hacks"
] | [
"keyboard",
"NeXT",
"nextcube",
"nextstep"
] | The NeXT computer was introduced in 1988, with the high-end machine finding favor with universities and financial institutions during its short time in the marketplace. [Spencer Nelson] came across a keyboard from one of these machines, and with little experience,
set about figuring out how it worked.
The keyboard feat... | 22 | 6 | [
{
"comment_id": "6417677",
"author": "macsimski",
"timestamp": "2022-01-26T19:52:11",
"content": "There was also a very nice Apple Desktop Bus (ADB) keyboard. very sleek and the ctrl knob was actually a ctrl bar under the space bar in the rim of the keyboard itself. This was for the last incarnation... | 1,760,372,809.11423 | ||
https://hackaday.com/2022/01/26/linux-fu-bash-strings/ | Linux Fu: Bash Strings | Al Williams | [
"Hackaday Columns",
"Linux Hacks"
] | [
"bash",
"linux",
"shell scripting"
] | If you are a traditional programmer, using
bash
for scripting may seem limiting sometimes, but for certain tasks,
bash
can be very productive. It turns out, some of the limits of
bash
are really limits of older shells and people code to that to be compatible. Still other perceived issues are because some of the advance... | 40 | 13 | [
{
"comment_id": "6417654",
"author": "Severe Tire Damage",
"timestamp": "2022-01-26T18:58:13",
"content": "Bash sucks as a programming language. Only donkeys use bash as a general purpose programming language.Why waste time and space even talking about it?Whenever I come across a multi-hundred line... | 1,760,372,809.70254 | ||
https://hackaday.com/2022/01/26/major-bug-grants-root-for-all-major-linux-distributions/ | Major Bug Grants Root For All Major Linux Distributions | Bryan Cockfield | [
"Linux Hacks",
"Security Hacks"
] | [
"admin",
"exploit",
"linux",
"patch",
"pkexec",
"polkit",
"root",
"security",
"update",
"vulnerability"
] | One of the major reasons behind choosing Linux as an operating system is that it’s much more secure than Windows. There are plenty of reasons for this including appropriate user permissions, installing software from trusted sources and, of course, the fact that most software for Linux including the Linux kernel itself ... | 65 | 23 | [
{
"comment_id": "6417600",
"author": "Twisty Plastic",
"timestamp": "2022-01-26T16:39:10",
"content": "Yah. Pretty much everything ending in …kit, Sytemd, PulseAudio, etc… Linux has gotten too complicated for it’s own good. There’s always going to be some security hole in there. Given the ubiquity ... | 1,760,372,809.799946 | ||
https://hackaday.com/2022/01/26/strange-computer-languages-a-hackers-field-guide/ | Strange Computer Languages: A Hacker’s Field Guide | Al Williams | [
"Featured",
"Interest",
"Original Art"
] | [
"brainfuck",
"esoteric language"
] | Why do we build radios or clocks when you can buy them? Why do we make LEDs blink for no apparent purpose? Why do we try to squeeze one extra frame out of our video cards? We don’t know why, but we do. That might be the same attitude most people would have when learning about esolangs — esoteric programming languages —... | 50 | 28 | [
{
"comment_id": "6417589",
"author": "DainBramage",
"timestamp": "2022-01-26T16:08:17",
"content": "Holy crap, those are just plain cruel!And I have a hard enough time just writing simple programs in QuickBASIC! (I’m no programmer, obviously)",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,809.987362 | ||
https://hackaday.com/2022/01/26/monitor-for-bedridden-patients-aims-to-improve-care/ | Monitor For Bedridden Patients Aims To Improve Care | Ryan Flowers | [
"Medical Hacks"
] | [
"arduino mega",
"biomedical",
"medical",
"tft"
] | One of the joys of being a Maker and Hacker is solving problems and filling needs. When you can do both, well, that’s something special. [rodrigo.mejiasz]’s project surely fits into that special category of solving a problem and filling a dire need with his
Bedridden Patient Monitor
.
While [Rodrigo]’s project page doe... | 11 | 5 | [
{
"comment_id": "6417524",
"author": "Viktor",
"timestamp": "2022-01-26T12:10:38",
"content": "Ok, but what if it fails and someone dies?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6417533",
"author": "A",
"timestamp": "2022-01-26T12:28:0... | 1,760,372,809.572968 | ||
https://hackaday.com/2022/01/26/the-sha2017-badge-just-keeps-on-giving-this-time-its-a-solar-monitor/ | The SHA2017 Badge Just Keeps On Giving, This Time It’s A Solar Monitor | Jenny List | [
"cons",
"green hacks"
] | [
"badgelife",
"sha2017",
"solar monitor"
] | Regular readers will know that we have covered the world of electronic badges for many years, and nothing pleases us more than seeing an event badge having a life afterwards rather than becoming a piece of e-waste. Thus we were especially pleased to see [Angus Gratton]’s use of
a SHA2017 badge as a solar output monitor... | 2 | 2 | [
{
"comment_id": "6417568",
"author": "Ewald",
"timestamp": "2022-01-26T14:48:39",
"content": "if you don’t have a sha2017 badge, an old hackable kindle might probably just do as well",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6417754",
"author": "kevin... | 1,760,372,809.523321 | ||
https://hackaday.com/2022/01/25/exercise-bike-hacked-as-input-for-xbox-360/ | Exercise Bike Hacked As Input For Xbox 360 | Lewin Day | [
"Games"
] | [
"cycle",
"cycling",
"exercise",
"gaming",
"Grand Theft Auto",
"pedal",
"xbox 360"
] | If you like playing Grand Theft Auto, you’re pretty familiar with squeezing the triggers for accelerating and braking while driving around. [David Programa] decided this was too easy, and instead developed a system to allow him
to pedal his way around the virtual world.
The device relies on a flywheel-based exercise bi... | 12 | 6 | [
{
"comment_id": "6417473",
"author": "Geoff",
"timestamp": "2022-01-26T08:11:56",
"content": "I think it would be easier to just get a small DC motor with a rubber wheel and rest it against the flywheel. Add a capacitor and a potentiometer to smooth and adjust the voltage. No meed for a microcontrol... | 1,760,372,809.618678 | ||
https://hackaday.com/2022/01/25/better-car-hinges-by-3d-printing/ | Better Car Hinges By 3D Printing | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"finite element analysis"
] | We often use 3D printing to replicate items we might otherwise make with traditional machining methods. Fraunhofer’s new door hinge for a sports car takes a different tack: it tries to
be better than the equivalent machined part
. The company claims that the new part is half the cost and weighs 35% less than the normal... | 30 | 5 | [
{
"comment_id": "6417421",
"author": "Onetruegod",
"timestamp": "2022-01-26T03:53:09",
"content": "” By simulating the force on the hinge, the tools could remove material where it didn’t make much difference. I am not an engineer but I read this and thought “finite element analysis”. Then I saw you ... | 1,760,372,810.165402 | ||
https://hackaday.com/2022/01/25/reverse-engineering-trash-printer-gives-up-its-control-panel-secrets/ | Reverse Engineering: Trash Printer Gives Up Its Control Panel Secrets | Dave Rowntree | [
"Tech Hacks"
] | [
"epson",
"lcd",
"printer",
"Raspberry Pi Pico",
"reverse engineering"
] | Many of us hardware-oriented types find it hard to walk past a lonely-looking discarded item of consumer electronics without thinking “If only I could lug that back to the car and take it home to play with” and [phooky] from NYC Resistor is no stranger to this sentiment. An old Epson WF-2540 inkjet printer was disassem... | 7 | 3 | [
{
"comment_id": "6417471",
"author": "x14km2d",
"timestamp": "2022-01-26T08:09:46",
"content": "Ok. This is the strangest thing that has happened to me here on the blog. I have the exact same component on my to do list. Exactly the same project with a similar build as I am looking at hardware and I ... | 1,760,372,810.209536 | ||
https://hackaday.com/2022/01/25/building-a-lightsaber-and-scoring-a-world-record-too/ | Building A Lightsaber And Scoring A World Record, Too | Lewin Day | [
"Weapons Hacks"
] | [
"electrolysis",
"hydrogen",
"lightsaber"
] | As we all know, the lightsaber is an elegant weapon, for a more civilized age. [Alex Burkan] is doing what he can to
bring that technology to fruition,
and even secured a Guinness World Record
in the process.
Melty melty.
The build relies on an electrolyzer, splitting water into hydrogen and oxygen gas which is stored ... | 32 | 9 | [
{
"comment_id": "6417350",
"author": "DainBramage",
"timestamp": "2022-01-25T22:54:30",
"content": "That is one very awesome build!Very impressive, [Alex]!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6417688",
"author": "BrightBlueJim",
"t... | 1,760,372,810.056949 | ||
https://hackaday.com/2022/01/25/young-maker-mixes-traditional-japanese-construction-with-modern-art/ | Young Maker Mixes Traditional Japanese Construction With Modern Art | Ryan Flowers | [
"classic hacks",
"Musical Hacks"
] | [
"electric guitar",
"kumiko",
"stratocaster",
"Young Makers"
] | We’re Makers. By definition, we make things. Some of us prefer to build from scraps, while others like to make their own IC’s in their garage. [Make With Miles] on the other hand prefers one of the oldest types of making around: woodworking. And in this build, he goes a step further by using a very old Japanese method ... | 4 | 2 | [
{
"comment_id": "6417324",
"author": "Steve L",
"timestamp": "2022-01-25T21:41:06",
"content": "Do NOT put that guitar in the hands of any living member of The Who.What beautiful workmanship!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6417482",
"author... | 1,760,372,810.098981 | ||
https://hackaday.com/2022/01/25/the-road-is-peppered-with-rock-salt-alternatives/ | The Road Is Peppered With Rock Salt Alternatives | Kristina Panos | [
"chemistry hacks",
"Hackaday Columns",
"Transportation Hacks"
] | [
"calcium magnesium acetate",
"chicken grit",
"coffee grounds",
"de-icer",
"kitty litter",
"road salt",
"sodium chloride"
] | Every winter, millions of tons of rock salt is sprinkled across roads in the US, mostly in the Midwest and Northeast regions. It’s a cheap and effective way to prevent accidents. Rock salt is chemically the same as the stuff that sits next to the pepper, except it isn’t as finely ground, and it doesn’t have sodium or p... | 79 | 25 | [
{
"comment_id": "6417265",
"author": "Dude",
"timestamp": "2022-01-25T18:26:23",
"content": "Solution: studded tires, learning to drive, and this:https://www.alaskapublic.org/wp-content/uploads/2013/12/raikoicebreaker.png",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,810.362565 | ||
https://hackaday.com/2022/01/25/laser-z-axis-table-comes-into-focus/ | Laser Z-Axis Table Comes Into Focus | Bryan Cockfield | [
"Laser Hacks",
"Tool Hacks"
] | [
"calibration",
"engraver",
"laser cutter",
"prototype",
"table",
"z-axis"
] | Laser cutters and 3D printers are game-changing tools to have in the workshop. They make rapid prototyping or repairs to existing projects a breeze as they can churn out new parts with high precision in a very short amount of time. The flip side of that, though, is that they can require quite a bit of maintenance. [Tim... | 2 | 2 | [
{
"comment_id": "6417248",
"author": "Andrew",
"timestamp": "2022-01-25T17:40:35",
"content": "This is one thing I like about the Emblaser 2. It has a Z-axis motor which allows the height to be set in software. This means that the focus is correct if you specify the thickness of the material you are... | 1,760,372,810.248328 | ||
https://hackaday.com/2022/01/25/would-nuclear-winter-cancel-out-global-warming/ | Would Nuclear Winter Cancel Out Global Warming? | Lewin Day | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"agriculture",
"catastrophe",
"nuclear winter"
] | Nuclear war was very much a front-of-mind issue during the fraught political climate of the Cold War era. Since then, atomic sabre rattling has been less frequent, though has never quite disappeared entirely.
Outside of the direct annihilation caused by nuclear war, however, is the threat of nuclear winter. The basic c... | 79 | 29 | [
{
"comment_id": "6417197",
"author": "Viktor",
"timestamp": "2022-01-25T15:15:50",
"content": "The next ice age is around the corner anyway.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6417203",
"author": "skept",
"timestamp": "2022-01-25T... | 1,760,372,811.511083 | ||
https://hackaday.com/2022/01/25/555-teardown-isnt-just-a-good-time-its-to-die-for/ | 555 Teardown Isn’t Just A Good Time, It’s To Die For | Ryan Flowers | [
"classic hacks",
"Parts"
] | [
"555 teardown",
"555 timer",
"die",
"microscope",
"npn",
"pnp",
"teardown"
] | It seems only appropriate that hot on the heels of the conclusion of Hackaday’s 555 Timer Contest that [Ken Shirriff] posts a
silicon die teardown
of an early version of a hacker’s favorite chip, the 555.
A Microscopic View Of the 555 Die
Starting with a mystery chip from January 1973, [Eric Schlaepfer] painstakingly s... | 10 | 7 | [
{
"comment_id": "6417160",
"author": "RÖB",
"timestamp": "2022-01-25T13:15:23",
"content": "The description of the operation of a current mirror is wrong.Quote : “Since both transistors have the same emitter voltage and base voltage, they source the same current”This is not true, identical transisto... | 1,760,372,810.468387 | ||
https://hackaday.com/2022/01/25/an-entire-computer-in-icmp-packets/ | An Entire Computer In ICMP Packets | Jenny List | [
"Retrocomputing"
] | [
"icmp",
"manchester baby",
"tube computer"
] | The earliest stored program computer in the modern sense was not one of the names such as ENIAC or Colossus that you might expect, but the Manchester Baby, an experimental prototype computer built at the University of Manchester in 1948. Its 550 tubes gave it the multi-rack room-filling size common to 1940s machines, b... | 19 | 11 | [
{
"comment_id": "6417124",
"author": "Mark",
"timestamp": "2022-01-25T10:07:01",
"content": "Wow, that’s brilliant!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6417136",
"author": "kevin",
"timestamp": "2022-01-25T11:19:16",
"content": "“Better ... | 1,760,372,810.415857 | ||
https://hackaday.com/2022/01/24/tiny-homemade-injection-molder/ | Tiny Homemade Injection Molder | Matthew Carlson | [
"Tool Hacks"
] | [
"actionbox",
"injection molding",
"plastic injection"
] | With 3D printing continually gaining ground, some hackers might not see the need for traditional injection molding. After all, you can tweak the code or the model and print dozens of different iterations with fairly minimal lead time. Things get trickier when you need to print hundreds or thousands of the same thing an... | 17 | 7 | [
{
"comment_id": "6417083",
"author": "Naxes",
"timestamp": "2022-01-25T06:28:01",
"content": "3D printed injection molds are a thinghttps://youtu.be/wMRSPXt48CI, as are cheap simple manual injection molders.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "641... | 1,760,372,810.583921 | ||
https://hackaday.com/2022/01/24/saving-martian-colonists-using-table-salt-and-rocket-science/ | Saving Martian Colonists Using Table Salt And Rocket Science | Ryan Flowers | [
"Major Tom",
"Science",
"Space"
] | [
"diy rocket",
"model rocketry",
"potassium chlorate",
"Rocket Motor",
"RUD",
"sodium chlorate",
"sodium choride",
"solid rocket"
] | Imagine for a moment that you are a member of an early Mars colony. You’re stranded, and the only way to get a message home is to launch a radio well above the surface. To make matters worse, you’ve got no rockets! It was this thought experiment that has motivated [Thoisoi2] to experiment with making a rocket motor usi... | 45 | 14 | [
{
"comment_id": "6417066",
"author": "Gravis",
"timestamp": "2022-01-25T05:07:28",
"content": "The Martian atmosphere is quite thin and mostly carbon dioxide. I’m not a chemist but I’m hoping these facts were not overlooked.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,811.112427 | ||
https://hackaday.com/2022/01/24/rainwater-storing-gojo-is-a-stroke-of-genius/ | Rainwater Storing Gojo Is A Stroke Of Genius | Dave Rowntree | [
"green hacks",
"home hacks"
] | [
"building",
"ethiopia",
"Gojo",
"Rain harvesting",
"Rural",
"Water storage"
] | A traditional Ethiopian Gojo. Image courtesy of easterntravelandtour.com
The traditional Ethiopian Gojo is a circular domed dwelling constructed from a central vertical beam, and a surrounding structure of curved beams made from wood or bamboo. A covering of dried grass and mud completes the outer structure. These buil... | 57 | 22 | [
{
"comment_id": "6417002",
"author": "Alex99a",
"timestamp": "2022-01-25T00:06:57",
"content": "I hope they plan on some purification. Bird crap, bugs, wind-borne dirt…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6417011",
"author": "Anteneh Gasha... | 1,760,372,810.844487 | ||
https://hackaday.com/2022/01/24/portable-pizza-oven-has-temperature-level-over-900/ | Portable Pizza Oven Has Temperature Level Over 900 | Bryan Cockfield | [
"home hacks"
] | [
"baking",
"burner",
"cooking",
"custom",
"gas",
"metal",
"oven",
"Pizza",
"plumbing",
"temperature",
"welding"
] | While it’s possible to make pizza from scratch at home right down to the dough itself, it’ll be a struggle to replicate the taste and exquisite mouthfeel without a pizza oven. Pizzas cook best at temperatures well over the 260°C/500°F limit on most household ovens while pizza ovens can typically get much hotter than th... | 36 | 10 | [
{
"comment_id": "6416972",
"author": "imqqmi",
"timestamp": "2022-01-24T21:33:08",
"content": "I’ve got an old electric powered oven from the 70ies which goes up to about 300 degrees C. It takes about 7 minutes to bake a pizza fully and tastes great, nice crunchy bite and puffy crust. Not as big as ... | 1,760,372,810.913197 | ||
https://hackaday.com/2022/01/24/heart-shaped-heartwarming-valentines-day-pendant/ | Heart-Shaped Heartwarming Valentine’s Day Pendant | Arya Voronova | [
"Wearable Hacks"
] | [
"charlieplexing",
"pcb art",
"pendant",
"STEAM education"
] | This is no ordinary
heart-shaped PCB pendant
project! To us, it’s also symbol representing the striking amount of love that [SaltyPaws] has put into its design and documentation. He tells us that he designed it for the two daughters he is raising, as an electronics and general STEAM introduction – with outstanding educ... | 0 | 0 | [] | 1,760,372,810.748662 | ||
https://hackaday.com/2022/01/24/can-robots-give-good-hugs/ | Can Robots Give Good Hugs? | Kristina Panos | [
"Hackaday Columns",
"Lifehacks",
"Robots Hacks",
"Slider"
] | [
"elder care",
"hugs",
"robot",
"soft robotics"
] | We could all use a hug once in a while. Most people would probably say the shared warmth is nice, and the squishiness of another living, breathing meatbag is pretty comforting.
Hugs even have health benefits
.
But maybe you’re new in town and don’t know anyone yet, or you’ve outlived all your friends and family. Or may... | 29 | 15 | [
{
"comment_id": "6416905",
"author": "Criatura",
"timestamp": "2022-01-24T18:08:36",
"content": "Someone will hack that thing and never leave the house again.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416909",
"author": "Kristina Panos",
... | 1,760,372,811.22424 | ||
https://hackaday.com/2022/01/24/compliant-mechanisms-hack-chat/ | Compliant Mechanisms Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"compliant mechanisms",
"constraint",
"elastic",
"flexible",
"flexure",
"Hack Chat",
"modulus",
"monolithic"
] | Join us on Wednesday, January 26 at noon Pacific for the
Compliant Mechanisms Hack Chat
with Amy Qian!
When it comes to putting together complex mechanisms, we tend to think in a traditional design language that includes elements like bearings, bushings, axles, pulleys — anything that makes it possible for separate rig... | 5 | 2 | [
{
"comment_id": "6416933",
"author": "Dane",
"timestamp": "2022-01-24T19:20:37",
"content": "This is great! Looking forward to it!-Dane",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416939",
"author": "𐂀 𐂅",
"timestamp": "2022-01-24T19:38:02",
... | 1,760,372,811.153074 | ||
https://hackaday.com/2022/01/24/one-piece-geared-hinge-can-take-the-weight/ | One-piece Geared Hinge Can Take The Weight | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"geared",
"herringbone",
"hinge",
"print in place"
] | 3D printers have come a long way from cranking out things like bottle openers and coat pegs, and [E. Soderberg]’s
Print in Place Geared Hinge
is a pretty nifty demonstration of that. This hinge is designed as a print-in-place part, meaning it is 3D printed as a single piece, requiring no assembly. Not only that, but th... | 31 | 11 | [
{
"comment_id": "6416871",
"author": "Tom Hargrave",
"timestamp": "2022-01-24T16:39:57",
"content": "Nice project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416879",
"author": "Canuckfire",
"timestamp": "2022-01-24T16:58:38",
"content": "This... | 1,760,372,811.391262 | ||
https://hackaday.com/2022/01/24/floating-solar-farms-are-taking-the-worlds-reservoirs-by-storm/ | Floating Solar Farms Are Taking The World’s Reservoirs By Storm | Lewin Day | [
"Current Events",
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"floating solar",
"floatovoltaics",
"green energy",
"solar",
"solar power",
"sustainability"
] | Photovoltaic solar panels are wonderful things, capable of capturing mere light and turning it into useful electricity. They’re often installed on residential and commercial rooftops for offsetting energy use at the source.
However, for grid-scale generation, they’re usually deployed in huge farms on tracts of land in ... | 60 | 19 | [
{
"comment_id": "6416850",
"author": "Stanson",
"timestamp": "2022-01-24T15:52:05",
"content": "> project will span an area of 7,000 acresWait a second. Killing 7000 acres of sea life that would be completely deprived from sunlignt with completely unknown consequences of the artificial permanent tem... | 1,760,372,811.325033 | ||
https://hackaday.com/2022/01/24/how-to-optimize-your-workspace-analyze-how-you-work/ | How To Optimize Your Workspace: Analyze How You Work | Donald Papp | [
"home hacks",
"how-to"
] | [
"bun rack",
"cafeteria tray",
"optimization",
"space saving",
"workbench",
"workspace"
] | [Jay Carlson] has shared
some fantastic guidance on how to optimize one’s home workspace
, and you just might want to emulate some of his layout, especially if you routinely juggle multiple projects. He makes the important point that different people have different needs, so one size does not fit all. Optimizing one’s ... | 27 | 16 | [
{
"comment_id": "6416787",
"author": "Viktor",
"timestamp": "2022-01-24T12:35:03",
"content": "1hr of work, 4hrs of youtube",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416826",
"author": "Nicolas Rubin",
"timestamp": "2022-01-24T14:19:01"... | 1,760,372,811.633487 | ||
https://hackaday.com/2022/01/24/domesticating-old-server-hardware-in-the-age-of-shortages/ | Domesticating Old Server Hardware In The Age Of Shortages | Arya Voronova | [
"computer hacks"
] | [
"fan controller",
"home server",
"HP",
"proliant",
"rack mount",
"rack mount server"
] | Our own [Dave Rowntree] started running into bottlenecks when doing paid work involving simulations of undisclosed kind, and resolved to get a separate computer for that. Looking for budget-friendly high-performance computers is a disappointing task nowadays, thus,
it was time for a ten-year-old HP Proliant 380-g6
to c... | 20 | 7 | [
{
"comment_id": "6416809",
"author": "Tilo",
"timestamp": "2022-01-24T13:43:49",
"content": "At some point in my work life i had the task to set up a new Domain Controller for the small company i worked for.We also opted for a refurbushed HP Proliant server.It work fine and was silent. But as soon a... | 1,760,372,811.566654 | ||
https://hackaday.com/2022/01/23/silicone-devices-diy-stretchable-circuits/ | Silicone Devices: DIYStretchableCircuits | Dave Rowntree | [
"Wearable Hacks"
] | [
"elastic",
"flexible",
"Galinstan",
"gallium",
"silicone",
"stretch",
"stretchable",
"Wearables"
] | Flexible circuits built on polyimide film are now commonplace, you can prototype with them at multiple factories, at a cost that is
almost
acceptable to your average hacker. Polyimide film is pretty tough for something so thin, but eventually it will tear, and with larger components, bend radii are quite restricted. Bu... | 12 | 7 | [
{
"comment_id": "6416832",
"author": "socksbot",
"timestamp": "2022-01-24T14:43:04",
"content": "How about chopped carbon fiber or graphite powder in soft silicone, if we can trade some conductivity for not needing an MSDS:https://www.instructables.com/Conductive-Rubber-Make-Touch-Sensitive-Robot-Sk... | 1,760,372,811.678726 | ||
https://hackaday.com/2022/01/23/diy-solid-state-drive-puts-four-bytes-in-your-pocket/ | DIY “Solid State Drive” Puts Four Bytes In Your Pocket | Tom Nardi | [
"classic hacks",
"Microcontrollers"
] | [
"binary",
"dip switch",
"EFM8UB2"
] | In a relatively short amount of time, the average capacity of USB flash drives has skyrocketed. It wasn’t so long ago that two and four gigabyte drives were considered to be on the high end, but today you can grab a 512 GB drive for less than $50 USD. In fact they’ve gotten so large that it can feel wasteful using them... | 71 | 24 | [
{
"comment_id": "6416708",
"author": "Aaron Fechter",
"timestamp": "2022-01-24T03:10:09",
"content": "This is obivuously a password device. But, it could also be a test device to experiment with a program you’re writing that reads the ports.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,811.782278 | ||
https://hackaday.com/2022/01/23/hackaday-links-january-23-2022/ | Hackaday Links: January 23, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"anemia",
"astronomy",
"contest",
"ethernet",
"hackaday links",
"hat",
"red blood cells",
"rp2040",
"shockwave",
"Starlink",
"Tonga",
"volcano"
] | When Tonga’s Hunga-Tonga Hunga-Ha’apai volcano erupted on January 15, one hacker in the UK knew just what to do. Sandy Macdonald from York quickly cobbled together a Raspberry Pi and a pressure/humidity sensor board and added a little code to create a recording barometer. The idea was to see if the shock wave from the ... | 14 | 7 | [
{
"comment_id": "6416673",
"author": "rpavlik",
"timestamp": "2022-01-24T00:10:22",
"content": "Yeah when I learned about the pressure wave, I pulled up my home sensor network Grafana and confirmed that i also saw an anomaly just as the “big” sensor networks indicated it should have crossed my locat... | 1,760,372,811.881857 | ||
https://hackaday.com/2022/01/23/is-that-the-moon-worming-its-way-into-your-bios/ | Is That The Moon Worming Its Way Into Your BIOS? | Arya Voronova | [
"Security Hacks"
] | [
"CH341",
"CH341A",
"malware",
"moonbounce",
"UEFI"
] | When facing a malware situation, the usual “guaranteed solution” is to reinstall your OS.
The new developments in malware world
will also require you to have a CH341 programmer handy. In an arguably inevitable development, [Kaspersky Labs] researchers have found an active piece of malware, out in the wild, that would p... | 52 | 13 | [
{
"comment_id": "6416628",
"author": "Alysson+Rowan",
"timestamp": "2022-01-23T21:09:19",
"content": "I have *ALWAYS* wondered why we don’t have a hardware BIOS Write Disable jumper on system boards. I have lost a couple of systems to BIOS problems. Indeed, my better systems at home have dual BIOS –... | 1,760,372,812.077193 | ||
https://hackaday.com/2022/01/23/display-your-speech-in-realtime-to-help-lipreaders-in-the-mask-era/ | Display Your Speech In Realtime To Help Lipreaders In The Mask Era | Lewin Day | [
"Misc Hacks"
] | [
"ai",
"deepgram ai",
"mask",
"speech recognition"
] | Masks are all well and good when it comes to reducing the spread of deadly pathogens, but they can make it harder to understand people when they speak. They also make lipreading impossible.
[Kevin Lewis] set about building something to help.
The system consists of a small screen that can be worn on the chest or other p... | 18 | 10 | [
{
"comment_id": "6416611",
"author": "Anonymous",
"timestamp": "2022-01-23T19:30:01",
"content": "Live TV presentations could benefit from this by having subtitles and closed captions without manual labor.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64166... | 1,760,372,811.833079 | ||
https://hackaday.com/2022/01/23/printed-circuit-bird-family-calls-for-us-to-consider-analog/ | Printed Circuit Bird Family Calls For Us To Consider Analog | Arya Voronova | [
"Art",
"Musical Hacks"
] | [
"analog",
"analog audio",
"art",
"beam",
"beam robotics",
"bird calls",
"birds are not real",
"birdsong",
"electronic art"
] | On our favourite low-attention-span content site, [Kelly Heaton] has recently started sharing
a series of “Printed Circuit Birds”
. These are PCBs shaped like birds, looking like birds and chirping like birds – and they are fully analog! The sound is produced by a network of oscillators feeding into each other, and, on... | 16 | 8 | [
{
"comment_id": "6416555",
"author": "Gravis",
"timestamp": "2022-01-23T15:45:13",
"content": "Analog is very cool. I generally think of it as a more efficient but also magnitudes more difficult to design to fit a specification. Digital radically decreases the number of considerations needed via t... | 1,760,372,812.183968 | ||
https://hackaday.com/2022/01/23/cables-too-long-try-cable-management-via-diy-coiling/ | Cables Too Long? Try Cable Management Via DIY Coiling | Donald Papp | [
"how-to"
] | [
"cable coiling",
"cable management",
"diy",
"mandrel",
"thermoforming"
] | Annoyed by excessively-long cables? Tired of the dull drudgery and ugly results of bunching up the slack and wrapping it with a twist-tie? Suffer no longer, because the solution is to make your own coiled cables!
[Dmitry] is annoyed with long, unruly cables and
shared a solution he learned from the DIY keyboards commun... | 34 | 19 | [
{
"comment_id": "6416532",
"author": "KDawg",
"timestamp": "2022-01-23T14:10:40",
"content": "I would rather stab my eye with a needle than voluntarily use coiled cables",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416557",
"author": "JanW",
... | 1,760,372,812.252579 | ||
https://hackaday.com/2022/01/23/web-centric-gabuino-has-compiler-will-travel/ | Web-Centric Gabuino Has Compiler, Will Travel | Tom Nardi | [
"Microcontrollers",
"Software Development"
] | [
"cloud application",
"pocket oscilloscope",
"web based"
] | Arguably the biggest advantage of the Arduino platform is its ease of use, especially when compared to what microcontroller development looked like before the introduction of the open source board and its associated software development environment. All you need to do is download the IDE for your platform, plug in your... | 16 | 4 | [
{
"comment_id": "6416508",
"author": "RÖB",
"timestamp": "2022-01-23T10:52:34",
"content": "It’s impressive and also at the same time disappointing.It needs some “standard” hardware before it will be much wanted. Paying $150 – $300 for a development board in the form of a scope or analyzer is not a ... | 1,760,372,812.133163 | ||
https://hackaday.com/2022/01/22/printing-in-silicone/ | Printing In Silicone | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"silicone"
] | When you think of making something out of silicone, you usually think of using a mold and injecting it with the material. Can you 3D print it? [Kimberly Beckett]
answers that very question
in a recent post. The short answer is yes, but you need specialized printing equipment.
Most consumer or hobby printers use either ... | 22 | 9 | [
{
"comment_id": "6416478",
"author": "J. Peterson",
"timestamp": "2022-01-23T07:01:49",
"content": "The link to Kimberly Beckett’s post is bogus (just points to your WP admin login)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416531",
"author": "... | 1,760,372,812.31425 | ||
https://hackaday.com/2022/01/21/flying-sausage-rescues-pooch-drone-pilots-save-the-day/ | Flying Sausage Rescues Pooch, Drone Pilots Save The Day | Jenny List | [
"drone hacks",
"News"
] | [
"dog",
"drone",
"rescue",
"sausage"
] | When we write about drone stories from the United Kingdom, they often have a slightly depressing air to them as we relate tales of unverified air proximity reports closing airports or bungled official investigations that would make the Keystone Kops look like competent professionals.
But here’s a drone story from this ... | 8 | 4 | [
{
"comment_id": "6416246",
"author": "purplepeopleated",
"timestamp": "2022-01-21T22:37:21",
"content": "this is how the finished off all the homer clones",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416251",
"author": "John",
"timestamp": "2022-01-... | 1,760,372,812.361564 | ||
https://hackaday.com/2022/01/21/this-week-in-security-netusb-http-sys-and-2013s-cve-is-back/ | This Week In Security: NetUSB, HTTP.sys, And 2013’s CVE Is Back | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"HTTP.sys",
"Password Spray",
"This Week in Security"
] | Let’s imagine a worst case situation for home routers. It would have to start with a port unintentionally opened to the internet, ideally in a popular brand, like Netgear. For fun, let’s say it’s actually a third-party kernel module, that is in multiple router brands. This module would then need a trivial vulnerability... | 2 | 2 | [
{
"comment_id": "6416534",
"author": "HAL 9000",
"timestamp": "2022-01-23T14:16:37",
"content": "Well, the database leak seems to be present in brave iOS as well…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416665",
"author": "anonmous fx user",
"t... | 1,760,372,812.397585 | ||
https://hackaday.com/2022/01/21/this-end-times-cyberdeck-is-apocalypse-ready/ | This End Times Cyberdeck Is Apocalypse-Ready | Dan Maloney | [
"Cyberdecks",
"Raspberry Pi"
] | [
"apocalypse",
"cyberdeck",
"noaa",
"sdr",
"survival"
] | In the cyberdeck world, some designs are meant to evoke a cyberpunk vibe, an aesthetic that’s more lighthearted than serious. Some cyberdecks, though, are a little more serious about hardening their designs against adverse conditions. That’s where something like
the ARK-io SurvivalDeck
comes into play.
Granted, there d... | 29 | 15 | [
{
"comment_id": "6416130",
"author": "Viktor",
"timestamp": "2022-01-21T12:09:08",
"content": "But can it connect into the artic vault? In case github burns down.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416140",
"author": "Dan",
"timestamp": "2... | 1,760,372,812.46222 | ||
https://hackaday.com/2022/01/21/affordable-hf-loop-antenna-reviewed/ | Affordable HF Loop Antenna Reviewed | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"loop antenna",
"sdr"
] | Modern ham radio operators often face restrictions on antennas. This has made small antennas more popular, despite some limitations. [Tech Minds] reviews the
GA-450 indoor active HF loop antenna
and finds it better than expected. You can see the video review below.
You can’t expect a little antenna to perform as well a... | 10 | 5 | [
{
"comment_id": "6416170",
"author": "Paul",
"timestamp": "2022-01-21T14:27:13",
"content": "It is obvious there is no way to tune that antenna: the only adjustment is for preamp gain.Now, it is receive only, and you don’t *need* high antenna efficiency for receive at HF (since environmental noise d... | 1,760,372,814.321349 | ||
https://hackaday.com/2022/01/20/ntp-server-gets-time-from-space/ | NTP Server Gets Time From Space | Bryan Cockfield | [
"clock hacks"
] | [
"accuracy",
"clock",
"gps",
"microsecond",
"raspberry pi",
"real time clock",
"rtc",
"time"
] | Cheap GPS units are readily available nowadays, which is great if you have something that needs to be very precisely located. Finding the position of things is one of many uses for GPS, though. There are plenty of ways to take advantage of some of the ancillary tools that the GPS uses to determine location. In this cas... | 30 | 12 | [
{
"comment_id": "6416062",
"author": "Andre",
"timestamp": "2022-01-21T06:27:00",
"content": "“GPS works by triangulating position between a receiver and a number of satellites” is technically wrong, GPS uses trilateration.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,814.272441 | ||
https://hackaday.com/2022/01/20/3d-printing-copper/ | 3D Printing Copper | Al Williams | [
"3d Printer hacks"
] | [
"copper 3d printing",
"metal 3d printing",
"selective laser sintering"
] | People really want to 3D print metal, but while true metal printers exist, they still are expensive and out of reach of most hackers. However, even if you can afford an exotic printer or use metal-impregnated polymer, you don’t often see copper as a print material. Copper has high electrical and thermal conductivity wh... | 28 | 9 | [
{
"comment_id": "6416073",
"author": "Rey",
"timestamp": "2022-01-21T08:10:01",
"content": "A kilogram of the powder… (typo)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416093",
"author": "volt-k",
"timestamp": "2022-01-21T09:49:05",
... | 1,760,372,814.648662 | ||
https://hackaday.com/2022/01/20/all-about-mecanum/ | All About Mecanum | Al Williams | [
"Robots Hacks"
] | [
"mechanum",
"mechanum wheel"
] | If you’ve dealt with robots or other wheeled projects, you’ve probably heard of mecanum wheels. These seemingly magic wheels have the ability to move in any direction. If you’ve ever seen one, it is pretty obvious how it works. They look more or less like ordinary wheels, but they also have rollers that rotate off-axis... | 15 | 7 | [
{
"comment_id": "6416025",
"author": "SteveS",
"timestamp": "2022-01-21T01:06:02",
"content": "what sort of strange hell happens when you’re on a slippery surface?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416032",
"author": "Ostracus",
... | 1,760,372,814.376796 | ||
https://hackaday.com/2022/01/22/another-dps5005-alternative-firmware/ | Another DPS5005 Alternative Firmware | Dave Rowntree | [
"hardware",
"Tool Hacks"
] | [
"hardware",
"power supply",
"programmable power supply",
"stm32"
] | These cheap Chinese-built programmable power supplies are nothing new, we’ve been using them for years. They’re not particularly good power supplies, since current feedback is in software, but for some tasks they’re a great fit and you can’t argue with the price. Alternative firmware projects have also been a thing for... | 9 | 4 | [
{
"comment_id": "6416511",
"author": "volt-k",
"timestamp": "2022-01-23T11:28:33",
"content": "This looks good, the other one was a bit lacking in features. Too bad my DPS5005 just died (the LM321 exploded for some reason when I connected a 5S lipo pack) but will try out the FW as soon as I have it ... | 1,760,372,814.044736 | ||
https://hackaday.com/2022/01/22/zhengbang-pick-places-your-confidential-data-in-the-bag-slowly/ | Zhengbang Pick & Places Your Confidential Data In The Bag, Slowly | Arya Voronova | [
"Security Hacks"
] | [
"AliExpress",
"FlyerSMT_HV",
"malware",
"supply chain attack",
"virustotal",
"ZB3245TSS",
"zhengbang"
] | Isn’t it convenient when your pick-and-place machine arrives with a fully-set-up computer inside of it? Plug in a keyboard, mouse and a monitor, and you have a production line ready to go. Turns out,
you can have third parties partake in your convenience by sharing your private information with them
– as long as you pl... | 30 | 16 | [
{
"comment_id": "6416438",
"author": "e",
"timestamp": "2022-01-23T00:22:32",
"content": "Maybe this is a feature, not a bug? Part of their value adding?You get to see how the clones sold on ebay and aliexpress simplified your design for low cost manufacturing.",
"parent_id": null,
"depth": ... | 1,760,372,814.210921 | ||
https://hackaday.com/2022/01/22/underwater-drone-films-is-in-film/ | Underwater Drone Films, Is In Film | Al Williams | [
"drone hacks"
] | [
"drone",
"submarine",
"undersea",
"underwater"
] | Having a drone that can follow you running or biking with a camera isn’t big news these days. But French firm Notilo Plus has an underwater drone that can follow and video an underwater diver. The
Seasam
has been around since 2019, but recently made an appearance in a French film,
The Deep House
about a couple explorin... | 3 | 2 | [
{
"comment_id": "6416422",
"author": "QBot",
"timestamp": "2022-01-22T22:59:29",
"content": "SeaSam?Apple really screwed that name up for them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416428",
"author": "Feinfinger (with diabolic laughter)",
"t... | 1,760,372,814.589112 | ||
https://hackaday.com/2022/01/22/running-methanol-rc-engines-on-gasoline/ | Running Methanol RC Engines On Gasoline | Lewin Day | [
"Engine Hacks"
] | [
"engine",
"gasoline",
"methanol",
"methanol engine",
"radio control",
"rc engine"
] | Methanol is a popular fuel for small engines used in radio-controlled models, but comes at a higher price than gasoline. It’s also harder to source and can be a mite corrosive, too. Gasoline comes with some benefits, but running it in a methanol engine usually requires some mods. [David] and [Bert] worked together to b... | 33 | 6 | [
{
"comment_id": "6416386",
"author": "Dude",
"timestamp": "2022-01-22T19:17:31",
"content": "Methanol is nasty to handle as well. The mean LD50 for humans is 56.2 g and 3 grams ingested will cause blindness.The problem is that methanol is converted into formaldehyde, formate, and formic acid in the ... | 1,760,372,814.55453 | ||
https://hackaday.com/2022/01/22/hackers-fingerprints-laptops-and-stickers/ | Hackers, Fingerprints, Laptops, And Stickers | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"birthday paradox",
"Culture",
"hackers",
"laptops",
"statistics",
"stickers"
] | A discussion ensued about our crazy hacker ways the other night. I jokingly suggested that with as many stickers as we each had on our trusty companion machines, they might literally be as unique as a fingerprint. Cut straight to nerds talking too much math.
First off, you could wonder about the chances of two random h... | 76 | 24 | [
{
"comment_id": "6416333",
"author": "Michael Black",
"timestamp": "2022-01-22T15:15:18",
"content": "Stickers don’t define you, they reflect you. So don’t use stickers as a way to measure someone’s “hacker quotient”.The only sticker I’ve put on a computer was when I got some free stuff from the Li... | 1,760,372,814.149286 | ||
https://hackaday.com/2022/01/22/online-tool-turns-stls-into-3d-ascii-art/ | Online Tool Turns STLs Into 3D ASCII Art | Dan Maloney | [
"Software Hacks"
] | [
"3d",
"ascii art",
"javascript",
"model",
"render",
"stl",
"three.js"
] | If you look hard enough, most of the projects we feature on these pages have some practical value. They may seem frivolous, but there’s usually something that compelled the hacker to commit time and effort to its doing. That doesn’t mean we don’t get our share of just-for-funsies projects, of course, which certainly de... | 8 | 5 | [
{
"comment_id": "6416314",
"author": "paulvdh",
"timestamp": "2022-01-22T12:17:29",
"content": "Somewhat related:VLC player is capable of turning movies into ascii art.When I tried it though my (then) 10 year old PC could not really cope with the calculations.",
"parent_id": null,
"depth": 1... | 1,760,372,814.691455 | ||
https://hackaday.com/2022/01/22/detecting-alpha-particles-using-copper-wire-and-high-voltage/ | Detecting Alpha Particles Using Copper Wire And High Voltage | Robin Kearey | [
"Science"
] | [
"alpha radiation",
"radioactivity",
"spark detector"
] | If you want to measure radioactivity, nothing really beats a Geiger counter: compact, rugged, and reasonably easy to use, they’re by far the most commonly used tool to detect ionizing radiation. However, several other methods have been used in the past, and while they may not be very practical today, recreating them ca... | 14 | 8 | [
{
"comment_id": "6416304",
"author": "bbp",
"timestamp": "2022-01-22T10:40:00",
"content": "To say that beta and gamma radiation doesn’t cause enough ionization at ambiend pressures strikes me as wrong. It’s just that an alpha particle is several thousand times more massive, giving it a much greater... | 1,760,372,814.75193 | ||
https://hackaday.com/2022/01/21/sending-pics-to-grandma-no-smartphone-needed/ | Sending Pics To Grandma, No Smartphone Needed | Lewin Day | [
"Raspberry Pi"
] | [
"raspberry pi",
"telegram",
"thermal printer"
] | When it comes to keeping in touch with the grandparents, a lack of familiarity with modern technology can get in the way. [palmerabollo] wanted to share photos with his grandmother, but found that it was difficult as she didn’t have a smartphone or an Internet connection to receive photos.
Thus, a custom build for gran... | 32 | 14 | [
{
"comment_id": "6416297",
"author": "Nitpicker Smartyass",
"timestamp": "2022-01-22T09:25:55",
"content": "Erm … it may be just me, but isn’t there a logic issue with this?Article reads:> she didn’t have a smartphone or an Internet connection to receive photos.and continues with> Photos are sent ov... | 1,760,372,814.870449 | ||
https://hackaday.com/2022/01/21/directional-antenna-3-way/ | Directional Antenna 3-Way | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"phased array",
"radio",
"vertical"
] | If you read old antenna books, you’ll probably see the idea of phased vertical antennas. These use certain lengths of coax to control the phase of a signal going to three verticals in a triangular configuration. Depending on the phasing, you can cause the array of antennas to be directional in one of three directions. ... | 10 | 6 | [
{
"comment_id": "6416271",
"author": "Shirley Marquez",
"timestamp": "2022-01-22T03:22:09",
"content": "ON4UN wrote about phased verticals in his classic book, Low Band DXing, so this isn’t new territory. Not cheap, but no gain antenna for 80 meters is due to the size of the elements. Phased vertica... | 1,760,372,814.806784 | ||
https://hackaday.com/2022/01/21/robot-nerf-alarm-blasts-you-awake-with-foam/ | Robot Nerf Alarm Blasts You Awake With Foam | Lewin Day | [
"Misc Hacks"
] | [
"nerf",
"sentry gun"
] | The sentry gun targets [Vinnie] with blasts of foam as he runs through the bedroom to the sounds of Your New Morning Alarm by [Marc Rebillet].
Waking up is hard; sometimes you need more than a little chiming alarm to get you out of bed. When [Vinnie Satriale] started unconsciously switching his alarms off, he went all ... | 11 | 7 | [
{
"comment_id": "6416264",
"author": "Voltron",
"timestamp": "2022-01-22T01:31:00",
"content": "Is there code or any other design info anywhere?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6416447",
"author": "Christa Ford",
"timestamp": "... | 1,760,372,815.05653 | ||
https://hackaday.com/2022/01/21/apollo-comms-flight-hardware-deep-dive/ | Apollo Comms Flight Hardware Deep Dive | Chris Lott | [
"Radio Hacks",
"Space"
] | [
"apollo",
"Apollo Guidance Computer",
"nasa",
"restoration",
"S-band",
"spacecraft",
"telemetry"
] | You no doubt recall the incredible Apollo Guidance Computer (AGC) reverse engineering and restoration project featured on the
CuriousMarc
YouTube channel a few years ago. Well, [Marc] and the team are at it again, this time
restoring the Apollo Unified S-Band tracking and communication system flight hardware
. As alway... | 6 | 4 | [
{
"comment_id": "6416232",
"author": "Michael Black",
"timestamp": "2022-01-21T21:17:37",
"content": "CQ Magazine had a 2 part article about the Apollo communication system in 1968.QST for June 1972 had an article about Paul Wilson and Dick Knadle receiving a few Apollo flights after 11.QST for Apri... | 1,760,372,815.545195 | ||
https://hackaday.com/2022/01/21/pen-plotter-from-pcb-panels/ | Pen Plotter From PCB Panels | Chris Lott | [
"3d Printer hacks"
] | [
"ESP32",
"grbl",
"pcb enclosure",
"pen plotter"
] | Hacker [12344321A] has built a
clever open-source pen plotter having a frame made from odd-shaped PCB panels
(Chinese). It holds an ordinary drafting pen and draws on a small writing platform 8 x 8 cm square. This is barely enough space to draw a business card, depending on which country you’re from. The motion appears... | 6 | 4 | [
{
"comment_id": "6416230",
"author": "Mirko",
"timestamp": "2022-01-21T21:03:25",
"content": "Those linear actuators are sold on AliExpress :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6416235",
"author": "asdf",
"timestamp": "2022-01-21T21:35:57"... | 1,760,372,816.03275 | ||
https://hackaday.com/2022/01/21/casually-chirping-into-the-world-of-lorawan/ | Casually Chirping Into The World Of LoRaWAN | Maya Posch | [
"Featured",
"Interest",
"internet hacks",
"Original Art",
"Slider",
"Wireless Hacks"
] | [
"DASH7",
"LoRaWAN",
"NB-IoT"
] | While wireless communications are unquestionably useful in projects, common wireless protocols such as WiFi and Bluetooth peter out after only a number of meters, which is annoying when your project is installed in the middle of nowhere. Moving to an LTE-based or similar mobile solution can help with the range, but thi... | 13 | 5 | [
{
"comment_id": "6416245",
"author": "Gravis",
"timestamp": "2022-01-21T22:31:18",
"content": "DASH7 is the real winner here because it can be used with dirt-cheap hardware and the spec is open. The spec being open is good because there are multiple implementations, including lightweight ones that ... | 1,760,372,815.384064 | ||
https://hackaday.com/2022/01/21/hackaday-podcast-152-555-timer-extravaganza-emf-chip-glitching-3-ways-a-magnetic-mechanical-keyboard-and-the-best-tricorder-ever/ | Hackaday Podcast 152: 555 Timer Extravaganza, EMF Chip Glitching 3 Ways, A Magnetic Mechanical Keyboard, And The Best Tricorder Ever | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Join Hackaday Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi as they bring you up to speed on the best stories and projects from the week. There’s some pretty unfortunate news for the physical media aficionados in the audience, but if you’re particularly keen on 50 year old integrated circuits, you’ll lo... | 0 | 0 | [] | 1,760,372,815.275796 | ||
https://hackaday.com/2022/01/20/bringing-the-power-of-edm-to-the-home-shop/ | Bringing The Power Of EDM To The Home Shop | Dan Maloney | [
"cnc hacks"
] | [
"cnc",
"EDM",
"Electrical Discharge Machining",
"machining",
"servo",
"stepper",
"tension"
] | When you see something made from metal that seems like it would be impossible to manufacture, chances are good it was made with some variety of electrical discharge machining. EDM is the method of choice for hard-to-machine metals, high aspect ratio hole drilling, and precise surface finishes that let mating parts slip... | 17 | 7 | [
{
"comment_id": "6415965",
"author": "Gratian Crisan",
"timestamp": "2022-01-20T21:33:16",
"content": "If you want to see another home built wire EDM setup check out the videos from BAXEDM:https://www.youtube.com/channel/UCy4kgsAYxcraee8w5SfqXPA/videosHe’s got a working setup with some pretty impres... | 1,760,372,815.437373 | ||
https://hackaday.com/2022/01/20/setup-menu-uses-text-editor-hack/ | Setup Menu Uses Text Editor Hack | Chris Lott | [
"Peripherals Hacks",
"Software Hacks"
] | [
"ANSI escape codes",
"setup",
"usb",
"Volume knob"
] | Many embedded devices that require a setup menu will use a USB serial port which you connect to your favorite terminal emulator. But we recently encountered a generic USB knob that did setup using a text editor, like Notepad or even Vim (although that was a bit ugly). A company called iWit makes
several kinds of USB kn... | 19 | 10 | [
{
"comment_id": "6415945",
"author": "X",
"timestamp": "2022-01-20T20:55:30",
"content": "Or do like mbed and make a fake USB drive with fake files. Or make a fake Ethernet adapter and a web server to configure it. Put a dhcp server in there and it’s plug and play. Better yet, do both and put urls ... | 1,760,372,815.332732 | ||
https://hackaday.com/2022/01/20/remoticon-2021-debra-ansell-connects-pcb-in-ways-you-didnt-expect/ | Remoticon 2021 // Debra Ansell Connects PCB In Ways You Didn’t Expect | Elliot Williams | [
"Hackaday Columns",
"LED Hacks",
"Parts",
"Slider",
"Wearable Hacks"
] | [
"Circuit Sculpture",
"connectors",
"pcb art",
"PCB design"
] | “LEDs improve everything.” Words to live by. Most everything that Debra Ansell of [GeekMomProjects] makes is bright, bold, and blinky. But if you’re looking for a simple string of WS2812s, you’re barking up the wrong tree. In the last few years, Debra has been making larger and more complicated assemblies, and that has... | 21 | 7 | [
{
"comment_id": "6415911",
"author": "Gravis",
"timestamp": "2022-01-20T18:50:12",
"content": "“LEDs improve everything,” is exactly what marketers think. Of course, it has to an ULTRA BRIGHT BLUE LED that is ALWAYS active, just to inform you the damn thing is turned on.*deep breath* I’m going to h... | 1,760,372,815.502401 | ||
https://hackaday.com/2022/01/20/congratulations-winners-of-the-2021-555-timer-contest/ | Congratulations Winners Of The 555 Timer Contest! | Elliot Williams | [
"classic hacks",
"Hackaday Columns",
"News",
"Slider"
] | [
"555 timer",
"555 timer contest",
"winners"
] | Sometimes the best inspiration is limitation. The 555 timer does “one thing” — compares a voltage to a couple thresholds and outputs a signal accordingly. It’s two comparators, a voltage ladder, and a flip-flop. And yet, it’s the most sold single chip of all time, celebrating its 50th birthday this year! So when
Hackad... | 25 | 11 | [
{
"comment_id": "6415881",
"author": "Orlando Hoilett",
"timestamp": "2022-01-20T16:35:01",
"content": "Really cool entries! Congrats to everyone who participated.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415915",
"author": "Tim",
"timestamp": "... | 1,760,372,815.612961 | ||
https://hackaday.com/2022/01/20/unpicking-the-hype-around-web-3-whats-the-tech/ | Unpicking The Hype Around Web 3, What’s The Tech? | Jenny List | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [] | The buzzword of the moment in the frothier portions of the technology press is inescapable: “Web 3”. This is a collective word for a new generation of decentralised online applications using blockchain technologies, and it follows on from a similar excitement in the mid-2000s surrounding so-called “Web 2” websites that... | 99 | 21 | [
{
"comment_id": "6415846",
"author": "monsonite",
"timestamp": "2022-01-20T15:18:35",
"content": "Douglas Adam’s wrote in the 1970s how human civilisation was brought down by putting all our resources into manufacturing shoes……50 years later we might consume our remaining resouces, powering server f... | 1,760,372,815.832026 | ||
https://hackaday.com/2022/01/20/printing-your-own-exoskeleton/ | Printing Your Own Exoskeleton | Matthew Carlson | [
"Engineering",
"Lifehacks"
] | [
"3d printed",
"3x0",
"DIY exoskeleton"
] | While not quite in a cave, the idea of making your own exoskeleton with limited tools does have a Tony Stark esque vibe. [Andrew Piccinno] is a mechanical engineer
pursuing the dream of 3D printing a full-body exoskeleton called 3X0
. It’s a project he’s been ruminating on since college, but the work really began in ea... | 23 | 5 | [
{
"comment_id": "6415826",
"author": "segipo",
"timestamp": "2022-01-20T14:13:27",
"content": "Good intentions, bad idea. In case of an accident his injuries may not be covered by insurance.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6415836",
"a... | 1,760,372,815.894468 | ||
https://hackaday.com/2022/01/20/when-a-single-bit-was-enough-into-the-sound-of-the-zx-spectrum/ | When A Single Bit Was Enough, Into The Sound Of The ZX Spectrum | Jenny List | [
"Retrocomputing"
] | [
"1-bit",
"pwm",
"sound",
"ZX Spectrum"
] | It’s normal for a computer in 2022 to come with a fully-featured sound card containing a complete synthesizer as well as high-quality PCM sound recording and playback. It’s referred to as a sound card after the way the hardware first appeared in the world of PCs, but in fact it’s now considered so essential as to be a ... | 8 | 6 | [
{
"comment_id": "6415796",
"author": "Dave",
"timestamp": "2022-01-20T11:05:03",
"content": "1-bit forum :http://randomflux.info/1bit/Utz and Shiru are absolute guru’s !!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415817",
"author": "RÖB",
"timest... | 1,760,372,815.936799 | ||
https://hackaday.com/2022/01/19/reverse-engineering-the-sega-mega-drive/ | Reverse Engineering The SEGA Mega Drive | Bryan Cockfield | [
"Games",
"Software Development"
] | [
"68000",
"atari",
"atari st",
"dev board",
"development",
"firmware",
"genesis",
"homebrew",
"megadrive",
"motorola",
"retro",
"schematics",
"sega"
] | With the widespread adoption of emulators, almost anyone can start playing video games from bygone eras. Some systems are even capable of supporting homebrew games, with several having active communities that are still creating new games even decades later. This ease of programming for non-PC platforms wasn’t always so... | 16 | 5 | [
{
"comment_id": "6415777",
"author": "darkspr1te",
"timestamp": "2022-01-20T08:26:01",
"content": "the Yellow tab was EA work around for not paying license fee’s to sega,https://www.youtube.com/watch?v=x0qe1FNqtCo,",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,372,816.127647 | ||
https://hackaday.com/2022/01/19/make-your-python-cli-tools-pop-with-rich/ | Make Your Python CLI Tools Pop With Rich | Matthew Carlson | [
"Software Development"
] | [
"ANSI escape codes",
"cli",
"python",
"terminal"
] | It seems as though more and more of the simple command-line tools and small scripts that used to be bash or small c programs are slowly turning into python programs. Of course, we will just have to wait and see if this ultimately turns out to be a good idea. But in the meantime, next time you’re revamping or writing a ... | 6 | 3 | [
{
"comment_id": "6415834",
"author": "Alphatek",
"timestamp": "2022-01-20T14:38:20",
"content": "Interesting – I did some console manipulation with Python a while back and thought it should’ve been a travelled path.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,372,815.986558 | ||
https://hackaday.com/2022/01/19/monowheel-mayhem-when-good-gyroscopic-precession-goes-bad/ | Monowheel Mayhem: When Good Gyroscopic Precession Goes Bad | Ryan Flowers | [
"3d Printer hacks"
] | [
"3d printing",
"esc",
"gyroscope",
"gyroscopic precession",
"IMU",
"monowheel",
"motor"
] | Since the dawn of the age of the automobile, motorheads have been obsessed with using as few wheels as possible. Not satisfied with the prospect of being incompletely maimed by a motorcycle, the monocycle was born. Gracing the covers of Popular magazines and other periodicals, these futuristic wheels of doom have trans... | 11 | 7 | [
{
"comment_id": "6415701",
"author": "peter",
"timestamp": "2022-01-20T00:09:28",
"content": "So cool!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6489081",
"author": "Pi ina z,",
"timestamp": "2022-07-03T23:16:01",
"content": "Jus... | 1,760,372,816.075462 | ||
https://hackaday.com/2022/01/19/extreme-thermal-mods-for-3d-printing-exotic-materials/ | Extreme Thermal Mods For 3D Printing Exotic Materials | Dan Maloney | [
"3d Printer hacks"
] | [
"CR-10",
"Creality",
"high temperature",
"liquid cooling",
"peek",
"polyether ether ketone"
] | For general everyday use, there’s nothing wrong with the standard selection of plastics that most 3D printer filaments are available in. PLA, ABS, PETG — they’ve all got their place, and they’re all pretty easy to work with. But if you need to work with more exotic materials, you might need to go to extremes and
modify... | 15 | 4 | [
{
"comment_id": "6415667",
"author": "Prowler50mil",
"timestamp": "2022-01-19T21:32:29",
"content": "Impressive build. How do they manually level the bed? Not sure I want to reach in there with a feeler gauge.I wonder if using a core xy would have been easier to convert. The steppers could be moved ... | 1,760,372,816.178334 | ||
https://hackaday.com/2022/01/19/drill-does-well-in-double-duty-as-well-drilling-drill/ | Drill Does Well In Double Duty As Well Drilling Drill | Ryan Flowers | [
"classic hacks"
] | [
"DIY well",
"drill",
"gound",
"hand drill",
"water",
"water well"
] | There are a large number of methods commercially used to bore a hole into the ground for the sake of extracting drinking water, and the all require big loud equipment. But what if you just want a small well? Do you really have to call in the big guns? [The Working Group on Development Techniques] is a student associati... | 18 | 6 | [
{
"comment_id": "6415660",
"author": "Mike",
"timestamp": "2022-01-19T21:12:47",
"content": "The best part is when he hits the halfway mark and breaks into the chorus of Livin’ On A Prayer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415670",
"author":... | 1,760,372,816.235934 | ||
https://hackaday.com/2022/01/19/longer-range-evs-are-on-the-horizon/ | Longer Range EVs Are On The Horizon | Lewin Day | [
"car hacks",
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"battery",
"efficiency",
"electric v",
"engineering",
"range"
] | When electric cars first started hitting the mainstream just over a decade ago, most criticism focused on the limited range available and the long recharge times required. Since then, automakers have been chipping away, improving efficiency here and adding capacity there, slowly pushing the numbers up year after year.
... | 165 | 29 | [
{
"comment_id": "6415583",
"author": "Stephen",
"timestamp": "2022-01-19T18:06:38",
"content": "“when connected to an appropriate DC fast charger of 300kW or more” – and if you charge three cars at that rate, you’re eating nearly a megawatt of power. Where are these chargers going to be situated? No... | 1,760,372,816.615561 | ||
https://hackaday.com/2022/01/19/giving-vintage-synths-new-life-in-a-potentiometer-cleaning-showdown/ | Giving Vintage Synths New Life In A Potentiometer Cleaning Showdown | Maya Posch | [
"Musical Hacks",
"Repair Hacks"
] | [
"analog",
"cleaning",
"potentiometer",
"vintage hardware"
] | As anyone who has ever owned a piece of older equipment that has a potentiometer in it can attest to, these mechanical components do need their regular cleaning ritual. Whether it’s volume knobs on a receiver or faders on a mixer, over time they get crackly, scratchy and generally imprecise due to the oxidation and gun... | 24 | 13 | [
{
"comment_id": "6415569",
"author": "Viktor",
"timestamp": "2022-01-19T16:33:44",
"content": "If it’s a pot.divider just add a cap on wiper",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6415580",
"author": "Northerndiy",
"timestamp": "2022-... | 1,760,372,816.407325 | ||
https://hackaday.com/2022/01/18/electronic-lead-screws-not-just-for-threading-anymore/ | Electronic Lead Screws – Not Just For Threading Anymore | Dan Maloney | [
"Tool Hacks"
] | [
"cnc",
"electronic leadscrew",
"ELS",
"encoder",
"lathe",
"leadscrew",
"spindle",
"stepper",
"threading",
"turning"
] | An electronic leadscrew is an increasingly popular project for small and mid-sized lathes. They do away with the need to swap gears in and out to achieve the proper ratio between spindle speed and tool carriage translation, and that makes threading a snap. But well-designed electronic leadscrews, like
this one from [Ho... | 6 | 3 | [
{
"comment_id": "6415362",
"author": "SteveS",
"timestamp": "2022-01-18T19:47:11",
"content": "Nice panel",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415432",
"author": "paulvdh",
"timestamp": "2022-01-19T01:42:56",
"content": "I did a little (... | 1,760,372,816.65383 | ||
https://hackaday.com/2022/01/18/keebin-with-kristina-the-one-with-the-tri-lingual-typewriter/ | Keebin’ With Kristina: The One With The Tri-lingual Typewriter | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"aerodox",
"bluetooth",
"ergodox",
"macropad",
"nRF51822",
"redox",
"solderless",
"solderless circuits"
] | Isn’t it just fantastic when a project finally does what you wanted it to do in the first place? [Simon Merrett] isn’t willing to compromise when it comes to
the Aerodox
. His original vision for the keyboard was a wireless, ergonomic split that could easily switch between a couple of PCs. Whereas some people are more ... | 5 | 3 | [
{
"comment_id": "6415363",
"author": "Amiable Ninja",
"timestamp": "2022-01-18T19:53:19",
"content": "“Arabic letters”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415378",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-01-18T2... | 1,760,372,816.901936 | ||
https://hackaday.com/2022/01/18/sgx-deprecation-prevents-pc-playback-of-4k-blu-ray-discs/ | SGX Deprecation Prevents PC Playback Of 4K Blu-ray Discs | Chris Lott | [
"computer hacks",
"News"
] | [
"4K Blu-ray",
"blu-ray",
"drm",
"intel",
"Intel Core",
"SGX",
"Ultra HD Blu-ray"
] | This week Techspot reported that DRM-laden Ultra HD Blu-ray Discs
won’t play anymore on computers using the latest Intel Core processors
. You may have skimmed right past it, but the table on
page 51 of the latest 12th Generation Intel Core Processor data sheet (184 page PDF)
informs us that the Intel Software Guard Ex... | 72 | 21 | [
{
"comment_id": "6415311",
"author": "rampant_car",
"timestamp": "2022-01-18T16:36:55",
"content": "Haven’t thought of purchasing or using a Blu-ray disc in years. I have the luxury of speedy internet living in a metro area, but I imagine people in remote-ish locations with new devices might get the... | 1,760,372,816.858361 | ||
https://hackaday.com/2022/01/18/kicad-6-0-what-made-it-and-what-didnt/ | KiCAD 6.0: What Made It And What Didn’t | Dave Rowntree | [
"Featured",
"Interest",
"Slider",
"Software Hacks",
"Tool Hacks"
] | [
"Action Plugins",
"DRC",
"KiCAD",
"KiCAD 6.0",
"pcb",
"schematic"
] | I’ve been following the development of KiCAD for a number of years now, and using it as my main electronics CAD package daily for a the last six years or thereabouts, so the release of KiCAD 6.0 is quite exciting to an electronics nerd like me. The release date had been pushed out a bit, as this is such a huge update, ... | 56 | 15 | [
{
"comment_id": "6415271",
"author": "Per Jensen",
"timestamp": "2022-01-18T15:05:18",
"content": "I really hope someone will be able to port these tools to 6.xx soon. I was in the middle of making a PCB where i used the “replicate layout” plugin, and then i updated to 6.xx and i was stuck :/https:/... | 1,760,372,816.998461 | ||
https://hackaday.com/2022/01/18/threeboard-short-on-keys-long-on-documentation/ | Threeboard: Short On Keys, Long On Documentation | Matthew Carlson | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"atmega32u4",
"keyboard",
"simavr",
"simulator"
] | As peripherals go, few are hacked on more than keyboards. The layouts, the shapes, the sizes, materials, and even the question of what a keyboard is are all on the table for tinkering. In that vein, [TaylorConor] released his
simplified keyboard called the threeboard on GitHub, having only three keys and replicating a ... | 8 | 1 | [
{
"comment_id": "6415262",
"author": "Greg A",
"timestamp": "2022-01-18T14:24:54",
"content": "but now he’s got a complicated and brittle toolchain for a very simple project. the parts that make it well-structured and easy-to-develop are more complicated than the project itself. good coding is *ma... | 1,760,372,817.037795 | ||
https://hackaday.com/2022/01/18/i2c-to-the-max-with-attiny/ | I2C To The Max With ATtiny | Bryan Cockfield | [
"Microcontrollers"
] | [
"arduino",
"attiny",
"attiny85",
"communications",
"dev board",
"i2c",
"microcontroller",
"platform"
] | The Arduino is a powerful platform for interfacing with the real world, but it isn’t without limits. One of those hard limits, even for the Arduino MEGA, is a finite number of pins that the microcontroller can use to interface with the real world. If you’re looking to extend the platform’s reach in one of your own proj... | 28 | 7 | [
{
"comment_id": "6415216",
"author": "Chloe",
"timestamp": "2022-01-18T09:20:33",
"content": "I would suggest something like an NXP PCA9698DGG, 512 if you really need more GPIO from an Arduino, but each to their own….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,817.100834 | ||
https://hackaday.com/2022/01/17/acid-damaged-game-boy-restored/ | Acid-Damaged Game Boy Restored | Bryan Cockfield | [
"Games"
] | [
"acid",
"battery",
"damage",
"game boy",
"game boy color",
"jumper",
"repair",
"restoration",
"smd",
"solder",
"wire"
] | The original Game Boy was the greatest selling handheld video game system of all time, only to be surpassed by one of its successors. It still retains the #2 position by a wide margin, but even so, they’re getting along in years now and finding one in perfect working condition might be harder than you think. What’s mor... | 11 | 6 | [
{
"comment_id": "6415217",
"author": "Cory",
"timestamp": "2022-01-18T09:20:44",
"content": "Amazing work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415227",
"author": "Mustakari",
"timestamp": "2022-01-18T10:08:33",
"content": "It’s not acid... | 1,760,372,817.14622 | ||
https://hackaday.com/2022/01/19/identifying-malware-by-sniffing-its-em-signature/ | Identifying Malware By Sniffing Its EM Signature | Tom Nardi | [
"computer hacks",
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"electromagnetic radiation",
"malware",
"signal analysis",
"spectrogram"
] | The phrase “extraordinary claims require extraordinary evidence” is most often attributed to Carl Sagan, specifically from his television series
Cosmos
. Sagan was probably not the first person to put forward such a hypothesis, and the show certainly didn’t claim he was. But that’s the power of TV for you; the term has... | 17 | 10 | [
{
"comment_id": "6415545",
"author": "osmarks",
"timestamp": "2022-01-19T15:20:06",
"content": "Maybe an easier and cheaper method would be to use the CPU’s performance counters. Although that seems obvious enough that I’d be very surprised if someone hasn’t already done/tried that.",
"parent_id... | 1,760,372,817.206042 | ||
https://hackaday.com/2022/01/19/arduino-meets-quantum-computer/ | Arduino Meets Quantum Computer | Al Williams | [
"Arduino Hacks",
"computer hacks"
] | [
"arduino",
"quantum computing"
] | Quantum computers aren’t quite ready for the home lab, but since there are ways to connect to some over the Internet, you can experiment with them more easily than you might think. [Norbert] decided to
interface a giant quantum computer to an ordinary Arduino
. Why? Well, that isn’t necessarily clear, but then again, w... | 8 | 2 | [
{
"comment_id": "6415509",
"author": "Iván Stepaniuk",
"timestamp": "2022-01-19T12:36:36",
"content": "Could have used a 555 for that",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6415521",
"author": "Viktor",
"timestamp": "2022-01-19T13:23:... | 1,760,372,817.248072 | ||
https://hackaday.com/2022/01/19/adding-wifi-remote-control-to-home-electronics-be-prepared-to-troubleshoot/ | Adding WiFi Remote Control To Home Electronics? Be Prepared To Troubleshoot | Donald Papp | [
"home entertainment hacks",
"Wireless Hacks"
] | [
"amplifier",
"IR remote",
"marantz",
"wifi",
"wireless remote"
] | [Alex] recently gave a Marantz audio amplifier
the ability to be remotely-controlled via WiFi by interfacing an ESP32 board to a handy port
, but the process highlights how interfacing to existing hardware often runs into little, unforeseeable problems that can sink the project unless solved.
At its core, the project u... | 32 | 8 | [
{
"comment_id": "6415506",
"author": "ytrewq",
"timestamp": "2022-01-19T12:13:40",
"content": "A nice solution done the wrong way, IMO. Using a web page makes things easier indeed but adds the need of a web browser (probably among the heaviest mobile apps everywhere) and forces the uC to run a web s... | 1,760,372,817.360128 | ||
https://hackaday.com/2022/01/18/learning-the-ropes-with-a-raspberry-pi-mandelbrot-cluster/ | Learning The Ropes With A Raspberry Pi Mandelbrot Cluster | Tom Nardi | [
"Raspberry Pi",
"Software Hacks"
] | [
"cluster",
"kubernetes",
"mandelbrot",
"raspberry pi cluster"
] | You’ve probably heard it said that clustering a bunch of Raspberry Pis up to make a “supercomputer” doesn’t make much sense, as even a middle-of-the-road desktop could blow it away in terms of performance. While that may be true, the reason most people make Pi clusters isn’t for raw power, it’s so they can build experi... | 10 | 5 | [
{
"comment_id": "6415459",
"author": "Steven Clark",
"timestamp": "2022-01-19T06:24:24",
"content": "Software raytracing might be one of the other things that would work surprisingly well with just a lot of cores. The algorithms scale like searching a tree so if you get the detail high enough it ca... | 1,760,372,817.290591 | ||
https://hackaday.com/2022/01/18/woodworking-blinkenlites-and-ffts-dance-to-the-music/ | Woodworking, Blinkenlites, And FFT’s Dance To The Music | Ryan Flowers | [
"digital audio hacks"
] | [
"audio",
"blinkenlights",
"fft",
"spectrum analyser"
] | We all have that one project on our minds that we’d love to build if we could just find the right combination of time, energy, and knowledge to dive right in. For [Jonathan], that project was
a sound sculpture that’s finally made it from concept to complete
. [Jonathan] describes the sound sculpture as the culmination ... | 5 | 4 | [
{
"comment_id": "6415463",
"author": "schobi",
"timestamp": "2022-01-19T06:49:59",
"content": "That looks almost like a Spotify Barcode.That would be a fun project to build a physical bar code that can be scanned. With the ability to extend/retract the arms based on currently playing music? The rati... | 1,760,372,817.64109 | ||
https://hackaday.com/2022/01/18/a-diy-cad-mouse-you-can-actually-build/ | A DIY CAD Mouse You Can Actually Build | Dave Rowntree | [
"Peripherals Hacks"
] | [
"3D printable",
"3DConnecxion",
"analog joystick",
"arduino pro micro",
"diy",
"oled",
"Orbion",
"rotary encoder",
"spacemouse"
] | When you spend a lot of time on the computer doing certain more specialised tasks (no, we’re not talking about browsing cat memes on twitter) you start to think that your basic trackpad or mouse is, let’s say, lacking a certain something. We think that something may be called ‘usability’ or maybe ease-of-use? Any which... | 48 | 16 | [
{
"comment_id": "6415427",
"author": "Andrew",
"timestamp": "2022-01-19T01:03:58",
"content": "Hmm. I wonder if it’s been done before?https://collections.museumsvictoria.com.au/items/724697I would have loved having a Bitstik (and the software) back in the day, but QCad and a mouse is sufficient now.... | 1,760,372,817.919377 | ||
https://hackaday.com/2022/01/18/ultra-cheap-pcb-wrenches-make-perfect-kit-accessory/ | Ultra Cheap PCB Wrenches Make Perfect Kit Accessory | Tom Nardi | [
"Tool Hacks"
] | [
"cheap tools",
"KiCAD",
"panelization",
"pcb",
"wrench"
] | Let’s make one thing abundantly clear. We do not, under any circumstances, recommend you replace your existing collection of wrenches with ones made out of PCBs. However,
as creator [Ben Nyx] explains
, they do make for an extremely cheap and lightweight temporary tool that would be perfect for distributing with DIY ki... | 43 | 19 | [
{
"comment_id": "6415391",
"author": "tiopepe123",
"timestamp": "2022-01-18T21:20:56",
"content": "and CR2032 + white led power on contact M3 metal",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6415398",
"author": "alola",
"timestamp": "2022-01-18T21:... | 1,760,372,817.76551 | ||
https://hackaday.com/2022/01/17/parsing-pngs-differently/ | Parsing PNGs Differently | Matthew Carlson | [
"Software Development"
] | [
"parallel computing",
"png",
"software bugs"
] | There are millions of tiny bugs all around us, in everything from our desktop applications to the appliances in the kitchen. Hidden, arbitrary conditions that cause unintended outputs and behaviors. There are many ways to find these bugs, but one way we don’t hear about very often is finding a bug in your own code, onl... | 5 | 4 | [
{
"comment_id": "6415188",
"author": "Gregg Eshelman",
"timestamp": "2022-01-18T03:47:52",
"content": "Netscape Navigator’s PNG support had a bug where if transparency wasn’t specified, it would select one color to make transparent and set a non-white background color, usually a ‘cream’ or off-white... | 1,760,372,817.686074 | ||
https://hackaday.com/2022/01/17/machine-learning-detects-distracted-politicians/ | Machine Learning Detects Distracted Politicians | Donald Papp | [
"Machine Learning",
"Software Hacks"
] | [
"distracted",
"keras",
"machine learning",
"mobile phone",
"politicians",
"twitter"
] | [Dries Depoorter] has a knack for highly technical projects with a solid artistic bent to them, and this piece is no exception.
The Flemish Scrollers
is a software system that watches live streamed sessions of the Flemish government, and uses Python and machine learning to identify and highlight politicians who pull ou... | 39 | 15 | [
{
"comment_id": "6415156",
"author": "CRJEEA",
"timestamp": "2022-01-18T00:17:19",
"content": "I wonder if it can also detect when they are sleeping.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6415675",
"author": "Mari Kona",
"timestamp":... | 1,760,372,817.837694 | ||
https://hackaday.com/2022/01/17/ai-camera-knows-its-st/ | AI Camera Knows Its S**t | Al Williams | [
"Software Hacks",
"Video Hacks"
] | [
"dog poop",
"poop",
"posture estimation"
] | [Caleb] shares a problem with most dog owners. Dogs leave their… byproducts…all over your yard. Some people pick it up right away and some just leave it. But what if your dog has run of the yard? How do you know where these piles are hiding? A security camera and
AI image detection is the answer
, but probably not the ... | 13 | 8 | [
{
"comment_id": "6415114",
"author": "Frankel",
"timestamp": "2022-01-17T21:39:49",
"content": "Who woulda’ thunk it that the advent of useful AI applications is here now? Folding proteins to detecting poop. I’ve seen it all now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,818.052888 | ||
https://hackaday.com/2022/01/17/new-part-news-raspberry-pi-cuts-out-the-middleman/ | New Part News: Raspberry Pi Cuts Out The Middleman | Elliot Williams | [
"News"
] | [
"chip shortage",
"pico",
"pricing",
"raspberry pi",
"rp2040"
] | Raspberry Pi has just announced that they’ll be
selling their RP2040 microcontroller chips by the reel
, directly to you, at a decent discount.
About a year ago,
Raspberry Pi released its first piece of custom silicon, the RP2040 microcontroller
. They’ve have been selling these chips in bulk to selected customers dire... | 36 | 11 | [
{
"comment_id": "6415072",
"author": "Gravis",
"timestamp": "2022-01-17T18:35:04",
"content": "https://direct.raspberrypi.com/Reels of 500 RP2040 chips, with a unit price of $0.80Reels of 3,400 RP2040 chips, with a unit price of $0.70",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,818.120032 |
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