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/2019/09/16/over-engineered-cat-door-makes-purrfect-sense/ | Over-Engineered Cat Door Makes Purrfect Sense | Kristina Panos | [
"Raspberry Pi"
] | [
"bluetooth",
"car antenna",
"cat door",
"node-red",
"Raspberry Pi 3",
"TILE"
] | On paper, pet doors are pretty great. You don’t have to keep letting the cat in and out, and there should be fewer scratches on the door overall. Unfortunately, your average pet door is indiscriminate, and will let any old creature waltz right in. Well, [Jeremiah] was tired of uninvited critters,
so he built a motorize... | 21 | 11 | [
{
"comment_id": "6179818",
"author": "mime",
"timestamp": "2019-09-16T11:52:09",
"content": "purrty clever. BLE has an antenna distance of >100 m, I think. I wonder if he limited the antenna reception somehow to make sure that it doesn’t start working when the cat is still really far away.",
"pa... | 1,760,373,764.279389 | ||
https://hackaday.com/2019/09/16/upping-the-story-telling-game-with-dialog-and-the-a-machine/ | Upping The Story-Telling Game With Dialog And The Å-Machine | Maya Posch | [
"classic hacks",
"computer hacks",
"Games",
"Retrocomputing"
] | [
"Å-machine",
"Dialog",
"infocom",
"z-machine"
] | During the decades since Infocom released their interactive story game
Zork
to world-wide acclaim for microcomputers, the genre of interactive fiction (IF) is still immensely popular, with a surprising number of modern IF works targeting Infocom’s original Z-Machine runtime for 8-bit micocomputers. We’ve seen a number ... | 5 | 3 | [
{
"comment_id": "6179784",
"author": "Jin Choung",
"timestamp": "2019-09-16T08:20:25",
"content": "but why tho? was performance of int fic really an issue? was size constraints actually limiting anyone?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179796"... | 1,760,373,764.148864 | ||
https://hackaday.com/2019/09/15/black-hole-imaging-scientists-win-2020-breakthrough-prize/ | Black Hole Imaging Scientists Win 2020 Breakthrough Prize | Kristina Panos | [
"Science"
] | [
"black hole",
"black hole imaging",
"Breakthrough Prize",
"event horizon",
"Event Horizon Telescope"
] | Making a monumental scientific breakthrough is really kind of its own reward. Even so, it’s always nice to get extra recognition in the form of unexpected money. For the 347 scientists around the world who made history when they captured the first image of a black hole, the event itself is pretty sweet. The cake of not... | 6 | 6 | [
{
"comment_id": "6179776",
"author": "Lily",
"timestamp": "2019-09-16T07:37:43",
"content": "Here’s the paper in of interest.https://iopscience.iop.org/article/10.3847/2041-8213/ab0ec7",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179863",
"author": "Com... | 1,760,373,764.221565 | ||
https://hackaday.com/2019/09/15/using-the-electricity-grid-in-cities-as-a-source-of-heat/ | Using The Electricity Grid In Cities As A Source Of Heat | Maya Posch | [
"green hacks"
] | [
"london",
"low-carbon power"
] | In the process of finding new, low-carbon ways to provide our homes with heat and electricity, it is that one might consider sources that never before came to mind. In London such a source that has been examined by researchers and an electricity network operator are the 2.5 meter wide tunnels that run for many kilomete... | 32 | 11 | [
{
"comment_id": "6179740",
"author": "jafinch78",
"timestamp": "2019-09-16T02:38:01",
"content": "Amazing this energy waste stream wasn’t utilized before. Of course… preference to lead by example with the other wealthiest diocese over on that side of the pond to taint whatever they can and export a... | 1,760,373,764.405467 | ||
https://hackaday.com/2019/09/15/hackaday-links-september-15-2019/ | Hackaday Links: September 15, 2019 | Dan Maloney | [
"Hackaday links"
] | [
"Autopilot",
"circuit simulation",
"crowdfunding",
"Dalibor Farny",
"kickstarter",
"model S",
"mortgage",
"nixie",
"organized labor",
"tesla",
"union"
] | It’s probably one of the first lessons learned by new drivers: if you see a big, red fire truck parked by the side of the road, don’t run into it. Such a lesson appears not to have been in the Tesla Autopilot’s driver education curriculum, though –
a Tesla Model S managed to ram into the rear of a fire truck
parked at ... | 28 | 9 | [
{
"comment_id": "6179720",
"author": "gregg4",
"timestamp": "2019-09-15T23:44:23",
"content": "Gadzooks! Clarissa was an amazing host to all of us. She even managed to be surprised when I said I knew someone with her name, she’s a character in a series of books I own.Kickstarter needs to be, ah, pok... | 1,760,373,764.641355 | ||
https://hackaday.com/2019/09/16/laser-crown-shines-at-night/ | Laser Crown Shines At Night | Lewin Day | [
"Wearable Hacks"
] | [
"crown",
"neopixel",
"wearable"
] | Sometimes you need something really flashy to complete an outfit. Whether it’s a sparkly pair of earrings or a stylish necklace, accessories are key to competing on the fashion battlefield. For those who want to bring some serious firepower,
[p3nguin’s] laser crown might be just what the doctor ordered.
At the outset, ... | 6 | 4 | [
{
"comment_id": "6180021",
"author": "RandyKC",
"timestamp": "2019-09-17T05:25:47",
"content": "Lasered crown?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6180035",
"author": "Marvin",
"timestamp": "2019-09-17T06:54:12",
"content": "Very nice!Th... | 1,760,373,764.443437 | ||
https://hackaday.com/2019/09/16/writing-characters-straight-to-the-linux-framebuffer/ | Writing Characters Straight To The Linux Framebuffer | Lewin Day | [
"Linux Hacks"
] | [
"frame buffer",
"gui",
"linux"
] | These days, working with a display in software is fairly easy. Thanks to the convenience of the modern OS, we’re blessed with graphical user interfaces, where things such as buttons and windows and text are all taken care of for us. Of course, once you start to wander off the beaten track, particularly in embedded syst... | 15 | 12 | [
{
"comment_id": "6179991",
"author": "qwert",
"timestamp": "2019-09-17T02:11:17",
"content": "One can change the console font and size you know. If you’re mostly just displaying text that’s gonna be a way easier way to accomplish this. Did this once to get more readability on an old green phosphor C... | 1,760,373,764.494962 | ||
https://hackaday.com/2019/09/16/name-stone-helps-you-greet-coworkers/ | Name Stone Helps You Greet Coworkers | Lewin Day | [
"Machine Learning"
] | [
"Jetson Nano",
"machine learning",
"neural network"
] | When starting a new job, learning coworkers names can be a daunting task. Getting this right is key to forming strong professional relationships. [Ahad] noted that [Marcos] was struggling with this, so
built the Name Stone
to help.
The Name Stone consists of some powerful hardware, wrapped up in a 3D printed case remin... | 17 | 9 | [
{
"comment_id": "6179971",
"author": "Andy Pugh",
"timestamp": "2019-09-16T23:51:53",
"content": "Not just new employees. I have been at the same place for 15 years and still forget the names of my co-workers. Though it is now rare for me to forget the names of any of the four I share a cubicle with... | 1,760,373,764.337887 | ||
https://hackaday.com/2019/09/16/grey-water-toilet-helps-keep-you-flush/ | Grey Water Toilet Helps Keep You Flush | Kristina Panos | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize"
] | The average first world household swims in an ocean of non-potable water from things like HVAC condensation, shower drains, and periods of rain. All of it just goes to waste. These same households pay the city to deliver drinkable water to places that don’t need it, like the toilet tanks. Isn’t it time to put all that ... | 43 | 18 | [
{
"comment_id": "6179924",
"author": "ngioasa",
"timestamp": "2019-09-16T20:14:29",
"content": "It’s a magnificient idea… until rubber seals get fouled up with soap scum and start leaking.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179992",
"aut... | 1,760,373,764.721253 | ||
https://hackaday.com/2019/09/16/basic-acrylic-bending-no-special-tools-needed/ | Basic Acrylic Bending, No Special Tools Needed | Donald Papp | [
"how-to",
"Tool Hacks"
] | [
"acrylic",
"bending",
"hacksaw",
"thermoforming"
] | Acrylic sheets are relatively inexpensive, pretty, and can be heat-shaped very effectively. There are blades and tools made specifically for cutting, heating, and bending acrylic but [Marija] shows that even without them
acrylic can be cut and bent with a bit of care and patience
.
Acrylic sheets are brittle and crack ... | 24 | 10 | [
{
"comment_id": "6179907",
"author": "TheWizard",
"timestamp": "2019-09-16T18:43:41",
"content": "A good ole heat gun works just fine, and will provide better results!!! For small stuff, a hot air rework station works a treat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,373,764.887198 | ||
https://hackaday.com/2019/09/16/trill-easy-positional-touch-sensors-for-your-projects/ | Trill: Easy Positional Touch Sensors For Your Projects | Ted Yapo | [
"Crowd Funding",
"Hackaday Columns",
"Microcontrollers",
"News"
] | [
"Bela",
"capacitive sensing",
"capacitive sensor",
"capacitive slider",
"capsense",
"CY8C20636A",
"cypress",
"i2c",
"kickstarter",
"slider",
"Trill"
] | Creating capacitive touch-sensitive buttons is easy these days; many microcontrollers have cap-sense hardware built-in. This will work for simple on/off control, but what if you want a linear, position-sensitive input, like you’d find on a computer touchpad or your smartphone screen? Not so easy — at least until now.
T... | 8 | 2 | [
{
"comment_id": "6179987",
"author": "razzy",
"timestamp": "2019-09-17T01:37:16",
"content": "Those diamond-shaped pads almost look like they could be called “squares”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6180050",
"author": "just a useless... | 1,760,373,764.984849 | ||
https://hackaday.com/2019/09/16/software-defined-radio-hack-chat/ | Software Defined Radio Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Airspy",
"dongle",
"HackRF",
"radio",
"RTL-SDR",
"sdr",
"software-defined radio",
"The Hack Chat"
] | Join us on Wednesday, September 18 at noon Pacific for the
Software Defined Radio Hack Chat
with
Corrosive
!
If you’ve been into hobby electronics for even a short time, chances are you’ve got at least one software-defined radio lying around. From the cheap dongles originally intended to watch digital TV on a laptop to... | 3 | 2 | [
{
"comment_id": "6179880",
"author": "BT",
"timestamp": "2019-09-16T16:20:41",
"content": "I reckon the third trace down is just the first trace flipped left-to-right.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179905",
"author": "Elliot William... | 1,760,373,764.931878 | ||
https://hackaday.com/2019/09/15/monster-bush-plane-is-a-one-off-engineering-masterpiece/ | Monster Bush Plane Is A One-Off Engineering Masterpiece | Danie Conradie | [
"Transportation Hacks"
] | [
"aircraft",
"aviation",
"composites",
"experimental aircraft",
"flying",
"home built",
"turbine engine"
] | All of us dream of reaching a point in life where we have the knowledge, skills, energy and resources to pull off builds that match our wildest dreams. [Mike Patey] is living that dream and with a passion for engineering and aviation that is absolutely infectious, he built
Draco, the world’s most badass bush plane
.
Dr... | 36 | 15 | [
{
"comment_id": "6179691",
"author": "deshipu",
"timestamp": "2019-09-15T20:16:47",
"content": "Fun fact: Wilgas are banned from flying in Poland, where they were designed, due to them being such an ancient design.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,373,765.057223 | ||
https://hackaday.com/2019/09/15/gymcam-knows-exactly-what-youve-been-doing-in-the-gym/ | GymCam Knows Exactly What You’ve Been Doing In The Gym | Maya Posch | [
"Lifehacks",
"Machine Learning"
] | [
"exercise tracking",
"machine vision",
"neural networks"
] | Getting exact statistics on one’s physical activities at the gym, is not an easy feat. While most people these days are familiar with or even regularly use one of those motion-based trackers on their wrist, there’s a big question as to their accuracy. After all, it’s all based on the motions of just one’s wrist, which ... | 10 | 8 | [
{
"comment_id": "6179666",
"author": "Hirudinea",
"timestamp": "2019-09-15T17:44:00",
"content": "So does it capture gym activity like paying for a membership and then never going?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179668",
"author": "C... | 1,760,373,765.197245 | ||
https://hackaday.com/2019/09/15/scratch-built-media-player-channels-1980s-design/ | Scratch Built Media Player Channels 1980s Design | Tom Nardi | [
"classic hacks",
"digital audio hacks",
"Raspberry Pi"
] | [
"graphic equalizer",
"media player",
"mopidy",
"Raspberry Pi 3",
"vfd",
"vintage"
] | No, you aren’t looking at a 30 year old Teac graphic equalizer that somebody modified. The MWA-002 Network Music Player created by [GuzziGuy] is built entirely from new components, and easily ranks up there with some of the most gorgeous pieces of homebrew audio gear we’ve ever seen. Combining modular hardware with mod... | 51 | 16 | [
{
"comment_id": "6179640",
"author": "RetiredHobgoblin",
"timestamp": "2019-09-15T14:08:45",
"content": "Wow yes, just yes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179641",
"author": "Saabman",
"timestamp": "2019-09-15T14:21:49",
... | 1,760,373,765.153153 | ||
https://hackaday.com/2019/09/15/atomic-pi-gets-a-3d-printed-mac-makeover/ | Atomic Pi Gets A 3D-Printed Mac Makeover | Tom Nardi | [
"computer hacks",
"Parts"
] | [
"3D printed enclosure",
"Atomic Pi",
"Cheese Grater",
"mac pro",
"power supply"
] | The Atomic Pi is a pretty impressive piece of kit for the price, but it’s not exactly a turn-key kind of product. Even to a greater extent than what you might normally expect with a “dev” board like this, the user is responsible for putting together the rest of the pieces required to actually utilize it.
But with this ... | 6 | 5 | [
{
"comment_id": "6179622",
"author": "physics dude",
"timestamp": "2019-09-15T11:24:16",
"content": "Its cool to see that a couple months ago, there was one case option for the Atomic Pi. Now we have so many to choose from. I even made one what supports hot-swappable SATA SSDs. Self plug:https://www... | 1,760,373,765.290261 | ||
https://hackaday.com/2019/09/15/walking-arm-trebuchet-is-different-but-effective/ | Walking Arm Trebuchet Is Different, But Effective | Lewin Day | [
"Misc Hacks"
] | [
"pumpkin",
"pumpkins",
"trebuchet"
] | For many of us, our first encounter with the famous trebuchet was
Age of Empires II,
or perhaps a documentary on historical siege engines. However, many people continue to pursue builds of their very own, exploring designs new and old. The walking arm trebuchet is a good example,
which uses an unconventional design to ... | 6 | 5 | [
{
"comment_id": "6179612",
"author": "GuruBuckaroo",
"timestamp": "2019-09-15T09:24:42",
"content": "My first exposure to trebuchet was the TV show Northern Exposure, where one was used to launch, if memory serves, a piano and later a corpse. They were featured in an episode of Junkyard Wars/Scraphe... | 1,760,373,765.241549 | ||
https://hackaday.com/2019/09/14/even-joke-torpedoes-are-pretty-hard-to-get-right/ | Even Joke Torpedoes Are Pretty Hard To Get Right | Lewin Day | [
"3d Printer hacks"
] | [
"torpedo"
] | It’s rare that makers get involved in out-and-out munition production. It’s dangerous, and usually frowned upon by local authorities. That said, it can be fun to experiment around, and [Ivan] does just that,
attempting to launch a 3D-printed torpedo from a kayak
. The build may have been done as a marketing exercise, b... | 7 | 4 | [
{
"comment_id": "6179609",
"author": "mime",
"timestamp": "2019-09-15T07:46:43",
"content": "I like the novel idea! I’d never have thought about making my own torpedo for the sheer fun of it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179613",
"author... | 1,760,373,765.333404 | ||
https://hackaday.com/2019/09/14/subaru-coils-make-a-great-hv-power-source/ | Subaru Coils Make A Great HV Power Source | Lewin Day | [
"High Voltage"
] | [
"high voltage",
"hv",
"Plasma Channel"
] | High-voltage experimenters are a unique breed. They’re particularly adept at scrounging for parts in all kinds of places, and identifying how to put all manner of components to use in the service of the almighty arc. [Jay Bowles] is one such inventor,
and recently came across a useful device from Subaru.
The device in ... | 28 | 8 | [
{
"comment_id": "6179584",
"author": "Vinalon",
"timestamp": "2019-09-15T02:51:22",
"content": "Yep, ignition coils sure are a great way to learn about using coils to ignite things.I think that some other cars besides Subarus might also use them.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,765.403018 | ||
https://hackaday.com/2019/09/13/peek-into-the-compilers-code-lots-of-compilers/ | Peek Into The Compiler’s Code — Lots Of Compilers | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"compiler",
"disassembly",
"dissassembler"
] | We don’t know what normal people argue about, but we know we spend a lot of time arguing about the best microcontroller, which editor is the best, and what language or compiler does the best job. The problem with all those compilers is getting them loaded and digging into the generated code. If you too spend your time ... | 12 | 7 | [
{
"comment_id": "6179457",
"author": "Steven Gann",
"timestamp": "2019-09-14T03:45:19",
"content": "Compiler Explorer is an invaluable tool for optimizing code, especially for checking the validity of tricks like bitwise math and unrolling loops.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,765.453162 | ||
https://hackaday.com/2019/09/13/a-professional-level-desk-in-a-dorm/ | A Professional-Level Desk In A Dorm | Bryan Cockfield | [
"home hacks"
] | [
"bamboo",
"college",
"desk",
"dorm",
"flooring",
"plywood",
"university"
] | Heading off to college comes with its own set of challenges. Harder course material, living away from home for the first time, and dealing with roommates are common hurdles to overcome, but an oft-overlooked issue is the poor quality dorm room desks. For a place that a student is expected to spend a majority of their s... | 9 | 6 | [
{
"comment_id": "6179458",
"author": "Random College Student",
"timestamp": "2019-09-14T03:46:37",
"content": "It’s really a professional-level wall. Apparently the school furnished the enormous L-shaped slab of desk as well as the wonderful view out of the window.",
"parent_id": null,
"dep... | 1,760,373,765.843825 | ||
https://hackaday.com/2019/09/13/dj-xiaomi-spins-beats-and-brushes-at-the-same-time/ | DJ Xiaomi Spins Beats And Brushes At The Same Time | Tom Nardi | [
"home hacks",
"Robots Hacks"
] | [
"Dustcloud",
"robotic",
"roomba",
"spotify",
"systemd",
"vacuum cleaner",
"xiaomi"
] | Direct from the “Just Because I Can” department, this blog post by [Eddie Zhang] shows us how easy it is to get the Xiaomi robotic vacuum cleaner working as
what might be the world’s most unnecessary Spotify Connect speaker
. Will your home be the next to play host to an impromptu performance by DJ Xiaomi? Judging by t... | 5 | 4 | [
{
"comment_id": "6179461",
"author": "gregg4",
"timestamp": "2019-09-14T04:45:17",
"content": "Yes but which robotic vacuum has relatives exploring a certain country for explosives? (Not Iraq.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179502",
"auth... | 1,760,373,765.776551 | ||
https://hackaday.com/2019/09/13/a-masterpiece-but-our-maestro-is-a-cnc-machine/ | A Masterpiece, But Our Maestro Is A CNC Machine | Jenny List | [
"Art",
"cnc hacks"
] | [
"art",
"cnc",
"drawbot",
"paint"
] | Sometimes we manage to miss projects when they first appear, only to have the joy of discovering them a while later. So it is with [John Opsahl]’s Project
Convert To Paint
, a CNC painting ‘bot that takes a bitmap image and paints it on canvas as a fine artist would, with a real brush, and paints.
It was first created ... | 12 | 6 | [
{
"comment_id": "6179422",
"author": "Daniel Scott Matthews",
"timestamp": "2019-09-13T21:10:29",
"content": "I have a machine that does a similar thing in that it lays down a pattern of pigment embedded in resin based on an image, it is called a colour laser printer. It produces images or reproduct... | 1,760,373,765.667821 | ||
https://hackaday.com/2019/09/13/hands-on-bornhacks-light-sabre-badge/ | Hands-On: BornHack’s Light Sabre Badge | Jenny List | [
"cons",
"Hackaday Columns"
] | [
"badge",
"BornHack",
"Silicon Labs"
] | A badge modelled after the handle of a light sabre? Yes Please! This
Star Wars themed hardware
is the work of hardware designer Thomas Flummer for the 2019 BornHack conference held in Denmark last month. (Check out my roundup of the event if this is the first you’ve heard of it.)
It’s not a badge but a light sabre! The... | 3 | 2 | [
{
"comment_id": "6179427",
"author": "Sandra",
"timestamp": "2019-09-13T21:29:36",
"content": "That’s some cool pictures, and a digestible write up (:",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179493",
"author": "GekkePrutser",
"timestamp": "2019... | 1,760,373,765.892894 | ||
https://hackaday.com/2019/09/13/hackaday-podcast-035-led-cubes-taking-over-ada-vanquishes-c-bugs-rad-monitoring-is-hot-and-3d-printing-goes-full-3d/ | Hackaday Podcast 035: LED Cubes Taking Over, Ada Vanquishes C Bugs, Rad Monitoring Is Hot, And 3D Printing Goes Full 3D | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"ada",
"cryogenic",
"geiger counter",
"Hackaday Podcast",
"LED cube",
"non-planar 3D printing",
"ocr",
"optical character recognition",
"Padauk",
"RGB LED cube",
"scintillator"
] | Hackaday Editors Mike Szczys and Elliot Williams get caught up on the most interesting hacks of the past week. On this episode we take a deep dive into radiation-monitor projects, both Geiger tube and scintillator based, as well as LED cube projects that pack pixels onto six PCBs with parts counts reaching into the ten... | 0 | 0 | [] | 1,760,373,766.034231 | ||
https://hackaday.com/2019/09/13/is-it-a-boat-is-it-a-hammock-no-its-both/ | Is It A Boat? Is It A Hammock? No, It’s Both! | Jenny List | [
"Transportation Hacks"
] | [
"boat",
"hammock",
"summer"
] | If you’re enjoying a Western Canadian summer, two of the best ways to do so involve a hammock, or a boat. Seeking to improve on this mighty duo with
a hammock-boat combo
, [Jarrett] describes his progress at
Vancouver Hack Space
.
The boat he chose was a one-person catamaran with an aluminium frame and what appear to b... | 15 | 8 | [
{
"comment_id": "6179367",
"author": "Ren",
"timestamp": "2019-09-13T16:07:31",
"content": "Boammock?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179383",
"author": "RunnerPack",
"timestamp": "2019-09-13T16:31:54",
"content": "Ham... | 1,760,373,765.945961 | ||
https://hackaday.com/2019/09/14/ai-makes-hyperbolic-brain-hats-a-reality/ | AI Makes Hyperbolic Brain Hats A Reality | Jenny List | [
"Machine Learning"
] | [
"ai",
"artificial intelligence",
"crochet"
] | It isn’t often that the world of Hackaday intersects with the world of crafting, which is perhaps a shame because many of the skills and techniques of the two have significant overlap. Crochet for instance has rarely featured here, but that is about to change with [Janelle Shane]’s
HAT3000 neural network
trained to pro... | 7 | 4 | [
{
"comment_id": "6179573",
"author": "RandyKC",
"timestamp": "2019-09-14T23:51:13",
"content": "Kitty is not amused, there will be retribution.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179575",
"author": "CMH62",
"timestamp": "2019-09-... | 1,760,373,765.990424 | ||
https://hackaday.com/2019/09/14/analyzing-data-to-build-better-surfboards/ | Analyzing Data To Build Better Surfboards | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"surf",
"surfboard",
"surfing"
] | In the world of surfing, the equipment available is as diverse and varied as the enthusiasts themselves. Different boards are optimized for different conditions and styles, and the industry continues to innovate towards ever greater performance.
[DARK-labs] aim to bring data analysis into the field to help create board... | 0 | 0 | [] | 1,760,373,766.186264 | ||
https://hackaday.com/2019/09/14/cheap-sensors-and-an-sdr-monitor-conditions-in-this-filament-drying-farm/ | Cheap Sensors And An SDR Monitor Conditions In This Filament Drying Farm | Dan Maloney | [
"3d Printer hacks"
] | [
"315 MHz",
"attiny85",
"bme280",
"humidity",
"ISM",
"pressure",
"printer filament",
"rtl_433",
"sdr",
"sensor",
"SYN115",
"temperature"
] | We don’t know where [Scott M. Baker] calls home, but it must be a pretty humid place indeed. After all, he has invested quite a bit in fancy vacuum storage containers to keep his 3D-printer filament dry, with the result being
this sensor-laden filament drying farm
.
[Scott] wasn’t content to just use these
PrintDry con... | 3 | 1 | [
{
"comment_id": "6179570",
"author": "Somun",
"timestamp": "2019-09-14T22:27:29",
"content": "I don’t know what type of filament he’s using but for PLA moisture is not the real issue. Being exposed to air and UV light seems to be causing the biodegradable PLA to get brittle. I think Makers Muse on Y... | 1,760,373,766.227785 | ||
https://hackaday.com/2019/09/14/rca-created-video-records-too-late/ | RCA Created Video Records Too Late | Al Williams | [
"Video Hacks"
] | [
"CED",
"home video",
"RCA",
"retrotechtactular",
"selectavision",
"video disc",
"video disk"
] | It is easy to find technology success stories: the PC, DVD, and cell phone are all well-documented tales. However, it is a little harder to find the stories behind the things that didn’t quite take off as planned. As the old saying goes, “success has many parents but failure is an orphan.” [Technology Connections] has ... | 28 | 14 | [
{
"comment_id": "6179514",
"author": "Ostracus",
"timestamp": "2019-09-14T14:43:06",
"content": "“The problem of course is that the VCR — while more expensive — had four-hour tapes and had been available since the late 1970s.”Also tape could be expanded more easily by adding more (within limits) tap... | 1,760,373,766.299945 | ||
https://hackaday.com/2019/09/14/stack-those-boards-for-an-extra-special-backlit-led-effect/ | Stack Those Boards For An Extra-Special Backlit LED Effect | Jenny List | [
"LED Hacks"
] | [
"badgelife",
"led",
"sao"
] | By now most of us should be used to backlit LEDs, in which a bare board with no copper or soldermask as an LED mounted on its reverse side to shine through as if with a diffuser. [Wim Van Gool] has created such
an LED display with a twist
, instead of reverse mounted LEDs his Shitty Add-On for
Area3001 hackerspace
in L... | 6 | 2 | [
{
"comment_id": "6179491",
"author": "mime",
"timestamp": "2019-09-14T11:44:27",
"content": "What does ” it breaks away from the SAO norm.” mean?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179492",
"author": "mime",
"timestamp": "2019-09... | 1,760,373,766.345733 | ||
https://hackaday.com/2019/09/14/a-conference-badge-breathes-life-into-a-rotary-phone/ | A Conference Badge Breathes Life Into A Rotary Phone | Jenny List | [
"Cellphone Hacks"
] | [
"badgelife",
"dial phone",
"EMF camp 2018",
"rotary phone"
] | We have covered the astonishing diversity of conference badges to a great extent over the years, and we are always pleased and surprised at the creativity and ingenuity that goes into their creation. But the saddest thing about so many badges is that after the event they go into the drawer and are never touched again, ... | 4 | 4 | [
{
"comment_id": "6179476",
"author": "BT",
"timestamp": "2019-09-14T08:34:28",
"content": "Having never had the pleasure of owning a conference badge, I’ve often wondered what people do with them after the event!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,373,766.417489 | ||
https://hackaday.com/2019/09/13/teaching-a-vintage-line-printer-to-make-music-all-over-again/ | Teaching A Vintage Line Printer To Make Music, All Over Again | Dan Maloney | [
"Musical Hacks",
"Retrocomputing"
] | [
"1401",
"ibm",
"line printer. printer music",
"mainframe",
"retrocomputing"
] | Sit next to any piece of machinery long enough and you get to know it by the sounds it makes. Think about the sounds coming from any 3D-printer or CNC machine; it’s easy to know without looking when the G code is working through the sines and cosines needed to trace out a circle, for instance.
It was the same back in t... | 8 | 7 | [
{
"comment_id": "6179467",
"author": "svofski",
"timestamp": "2019-09-14T07:16:40",
"content": "I really can’t make out which part of Clair de lune is this. Amazing nevertheless, but is this really Clair de lune?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,373,766.465133 | ||
https://hackaday.com/2019/09/13/this-week-in-security-simjacker-microsoft-updates-apple-vs-google-audio-deepfakes-and-netcat/ | This Week In Security: Simjacker, Microsoft Updates, Apple Vs Google, Audio DeepFakes, And NetCAT | Jonathan Bennett | [
"Featured",
"Slider",
"Software Hacks"
] | [
"Deepfake",
"sms",
"This Week in Security"
] | We often think of SIM cards as simple data storage devices, but in reality a SIM card is a miniature Universal integrated circuit card, or smart card. Subscriber data isn’t a simple text string, but a program running on the smart cards tiny processor, acting as a hardware cryptographic token. The presence of this tiny ... | 20 | 9 | [
{
"comment_id": "6179351",
"author": "Alexander Wikström",
"timestamp": "2019-09-13T14:30:01",
"content": "Microsoft pushing updates down people’s throats with little eror checking like normal. One major reason I don’t use Windows 10 for anything.Text to speech becoming better over the years to mimi... | 1,760,373,766.540464 | ||
https://hackaday.com/2019/09/13/side-channel-attack-shows-vulnerabilities-of-cryptocurrency-wallets/ | Side-Channel Attack Shows Vulnerabilities Of Cryptocurrency Wallets | Dan Maloney | [
"Machine Learning"
] | [
"cryptocurrency",
"exploit",
"HackRF",
"RF",
"SCA",
"sdr",
"side channel attack",
"tensorflow",
"wallet"
] | What’s in your crypto wallet? The simple answer should be fat stacks of Bitcoin or Ethereum and little more. But if you use a hardware cryptocurrency wallet, you may be carrying around a bit fat vulnerability, too.
At the 35C3 conference last year, [Thomas Roth], [Josh Datko], and [Dmitry Nedospasov] presented
a side-c... | 13 | 6 | [
{
"comment_id": "6179337",
"author": "NoName",
"timestamp": "2019-09-13T12:37:56",
"content": "This weakness is so easy to fix, just change location of digits on the screen every time one digit is selected.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179... | 1,760,373,766.589969 | ||
https://hackaday.com/2019/09/13/steel-battalion-controller-grows-up-and-gets-a-job/ | Steel Battalion Controller Grows Up And Gets A Job | Tom Nardi | [
"Games",
"Xbox Hacks"
] | [
"game controller",
"steel battalion",
"usb hid",
"Windows 10",
"xbox"
] | We’re going to go out on a limb here and say that the controller for
Steel Battalion
on the original Xbox is the most impressive video game peripheral ever made. Designed to make players feel like they were really in the cockpit of a “Vertical Tank”, the controller features dual control sticks, three pedals, a gear sel... | 13 | 6 | [
{
"comment_id": "6179328",
"author": "awesomeclaw",
"timestamp": "2019-09-13T09:35:33",
"content": "Those HID descriptors are really cool. If you have a decent usb stack on a device it’s super easy to set it up as a usb device without too much code or faff.",
"parent_id": null,
"depth": 1,
... | 1,760,373,766.841355 | ||
https://hackaday.com/2019/09/12/wall-mounted-ground-station-tames-unruly-satnogs-node/ | Wall-Mounted Ground Station Tames Unruly SatNOGS Node | Dan Maloney | [
"Misc Hacks"
] | [
"Ground Station",
"raspberry pi",
"satellite",
"SatNOGS",
"Stegoboard"
] | For many of us, ad hoc projects end up having a certain permanence to them. Think of the number of Raspberry Pis and RTL-SDRs that are just dangling from a USB cable under a desk or stuffed behind a monitor, quietly going about their business. If it ain’t broke, don’t fix it.
Some projects, though, just end up accretin... | 8 | 2 | [
{
"comment_id": "6179306",
"author": "ys",
"timestamp": "2019-09-13T05:40:36",
"content": "We should have an event to share our photos of what we have tangled up behind a monitor somewhere. Electronics without enclosures, defying gravity suspended among cables.I have a NUC nailed to the wall kind of... | 1,760,373,766.737102 | ||
https://hackaday.com/2019/09/12/frequency-counting-a-different-way/ | Frequency Counting A Different Way | Al Williams | [
"Arduino Hacks",
"Tool Hacks"
] | [
"frequency counter",
"frequency measurement",
"measurement"
] | Counting frequency is one of those tasks that seems simple on the face of it, but actually has quite a bit of nuance. There are two obvious methods, of which the first is to count zero crossings for some period. If that period is one second you are done, otherwise it’s a simple enough case of doing the math. That is, i... | 9 | 4 | [
{
"comment_id": "6179289",
"author": "Paul",
"timestamp": "2019-09-13T03:31:19",
"content": "With a good enough reference oscillator this method can be amazingly precise and accurate. I used this technique to measure the wavelength of a tunable dye laser, by comparing its frequency with an accurate... | 1,760,373,766.782076 | ||
https://hackaday.com/2019/09/12/these-tips-make-assembling-a-few-hundred-pcbs-easier/ | These Tips Make Assembling A Few Hundred PCBs Easier | Donald Papp | [
"how-to",
"Lifehacks"
] | [
"advice",
"assembly",
"badge",
"badgelife",
"cons",
"pcb",
"production"
] | There are a few common lessons that get repeated by anyone who takes on the task of assembling a few hundred PCBs, but there are also unique insights to be had. [DominoTree]
shared his takeaways after making a couple hundred electronic badges
for DEFCON 26 (that’s the one before the one that just wrapped up, if anyone’... | 7 | 3 | [
{
"comment_id": "6179268",
"author": "Brian R Phelps",
"timestamp": "2019-09-12T23:20:36",
"content": "For your circuits ya dingus.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179271",
"author": "RetiredHobgoblin",
"timestamp": "2019-09-13T00:24:33... | 1,760,373,766.896319 | ||
https://hackaday.com/2019/09/12/particle-mesh-powers-the-internet-of-fans/ | Particle Mesh Powers The Internet Of Fans | Tom Nardi | [
"Microcontrollers"
] | [
"environmental monitoring",
"fan",
"mesh network",
"particle",
"particle photon",
"tmp36"
] | With the winter months not far off, [Ben Brooks] was looking for a way to help circulate the heat from his wood-burning fireplace throughout his home. Rather than go with a commercial solution, he decided to come up with his own automated air circulation system powered by the
mesh networking capabilities of one of his ... | 4 | 3 | [
{
"comment_id": "6179249",
"author": "punkdigerati",
"timestamp": "2019-09-12T21:21:02",
"content": "I’ve been looking for a way to interface with this particular fan for a while, thank you very much!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179256",
... | 1,760,373,767.037206 | ||
https://hackaday.com/2019/09/12/a-4g-rover-and-the-benefits-of-a-shakedown-mission/ | A 4G Rover And The Benefits Of A Shakedown Mission | Lewin Day | [
"classic hacks",
"Hackaday Columns"
] | [
"4g",
"mars rover for earth",
"mission planning",
"rover",
"tkirv"
] | Many moons ago, in the shadowy darkness of the 1990s, a young Lewin visited his elder cousin. An adept AMOS programmer, he had managed to get his Amiga 500 to control an RC car, with little more than a large pile of relays and guile. Everything worked well, but there was just one problem — once the car left the room, t... | 16 | 5 | [
{
"comment_id": "6179224",
"author": "Bob Dylan",
"timestamp": "2019-09-12T19:14:55",
"content": "I distinctly remember having this same exact idea in 1997, although my idea was to use a REALLY long cable instead of anything wireless. Of course, I couldn’t afford anything back then, so I only had to... | 1,760,373,766.987421 | ||
https://hackaday.com/2019/09/12/modified-tombstone-welder-contains-a-host-of-hacks/ | Modified Tombstone Welder Contains A Host Of Hacks | Dan Maloney | [
"Tool Hacks"
] | [
"AC. DC",
"arc welding",
"GMAW",
"microwave oven transformer",
"MOT",
"rectifier",
"Silicon Controlled Rectifier",
"tig",
"tungsten",
"welding"
] | State-of-the-art welding machines aren’t cheap, and for good reason: pushing around that much current in a controlled way and doing it over an entire workday takes some heavy-duty parts. There are bargains to be found, though, especially in the most basic of machines: AC stick welders. The familiar and aptly named “tom... | 30 | 11 | [
{
"comment_id": "6179179",
"author": "Ren",
"timestamp": "2019-09-12T16:08:53",
"content": "I have a tombstone AC welder too,I’ve been thinking of what I need to do to make it AC/DC.But that project is on “indefinite hold” as we needed its circuit breaker to supply the PTAC unit in our 3 season porc... | 1,760,373,767.106965 | ||
https://hackaday.com/2019/09/12/watching-the-watchers-the-state-of-space-surveillance/ | Watching The Watchers: The State Of Space Surveillance | Tom Nardi | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"cold war",
"Gambit",
"hexagon",
"Hubble",
"iran",
"KH-11",
"optical",
"satellite",
"surveillance",
"Synthetic aperture radar",
"telescope"
] | By now you’ve almost certainly heard about the recent release of a high-resolution satellite image showing the aftermath of Iran’s failed attempt to launch their Safir liquid fuel rocket. The geopolitical ramifications of Iran developing this type of ballistic missile technology is certainly a newsworthy story in its o... | 34 | 12 | [
{
"comment_id": "6179147",
"author": "Ostracus",
"timestamp": "2019-09-12T14:10:55",
"content": "“Keep in mind this is a theoretical maximum, in practice the resolution will be less due to atmospheric instability and the fact the satellite is unlikely to be directly above the target.”Using some of t... | 1,760,373,767.190762 | ||
https://hackaday.com/2019/09/12/dissecting-the-tl-wr841n-for-fun-and-profit/ | Dissecting The TL-WR841N For Fun And Profit | Tom Nardi | [
"classic hacks",
"Wireless Hacks"
] | [
"busybox",
"openwrt",
"router",
"serial port",
"TL-WR841N",
"tp-link",
"uart"
] | The TP-Link TL-WR841N isn’t a particularly impressive piece of hardware, but since it works decently well and sells for under $20 USD, it’s one of the most popular consumer routers on Amazon. Now, thanks to [TrendyTofu] of the Zero Day Initiative, we now have
a concise step-by-step guide on how to hack your way into th... | 34 | 11 | [
{
"comment_id": "6179123",
"author": "kidwidget",
"timestamp": "2019-09-12T12:42:08",
"content": "I think this part counts as the hack . . .“With a more complete set of tools, the real fun could begin: using GDB to debug TP-Link’s binaries and look for chinks in the armor”",
"parent_id": null,
... | 1,760,373,767.358215 | ||
https://hackaday.com/2019/09/12/smoothieboard-gets-an-ambitious-update-for-v2/ | Smoothieboard Gets An Ambitious Update For V2 | Tom Nardi | [
"3d Printer hacks",
"cnc hacks",
"hardware"
] | [
"32-bit",
"cnc",
"fpga",
"kickstarter",
"motion control",
"smoothieboard"
] | If you’ve been reading Hackaday for awhile, there’s an excellent chance you’ve seen a project or two powered by the Smoothieboard. The open source controller took Kickstarter by storm in 2013, promising to be the last word in CNC thanks to its powerful 32-bit ARM processor. Since then we’ve seen it put to use in not on... | 23 | 8 | [
{
"comment_id": "6179098",
"author": "bohdandev314",
"timestamp": "2019-09-12T09:52:38",
"content": "Nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179101",
"author": "martinimartin",
"timestamp": "2019-09-12T10:09:23",
"content": "Signed up... | 1,760,373,767.428212 | ||
https://hackaday.com/2019/09/11/10-way-game-console-lets-everyone-play/ | 10-Way Game Console Lets Everyone Play | Dan Maloney | [
"Nintendo Hacks",
"Video Hacks"
] | [
"composite",
"dac",
"ESP32",
"gamepad",
"nintendo",
"pal",
"R-2R Ladder"
] | [Bitluni]’s motto seems to be, “When you’re busy, get busier.” At least that would explain adding even more work to his plate in the run-up to the Hanover Maker Faire and coming up with
a ten-player game console from scratch
.
As for this being extra work, recall that [bitluni] had already committed to building
a giant... | 7 | 5 | [
{
"comment_id": "6179073",
"author": "Daid",
"timestamp": "2019-09-12T07:08:50",
"content": "Not to spoil the fun. But you can get knock-off USB SNES gamepads from aliexpress for a few dollars. Plug 10 in an USB hub and you sort of have the same setup. Your players won’t know the difference.From a h... | 1,760,373,767.472624 | ||
https://hackaday.com/2019/09/11/custom-lego-server-case-looks-as-though-it-came-straight-from-a-data-center/ | Custom Lego Server Case Looks As Though It Came Straight From A Data Center | Dan Maloney | [
"Misc Hacks",
"Toy Hacks"
] | [
"2U",
"Case mod",
"hot swap",
"lego",
"rack mount",
"server",
"Technic"
] | The picture above appears to show two unremarkable 2U rack servers, of the kind that are probably hosting the page you’re reading right now. Nothing special there – until you look carefully and realize that
the rack server case on the left is made entirely from Lego
. And what’s more, the server even works.
When it com... | 12 | 5 | [
{
"comment_id": "6179136",
"author": "Ren",
"timestamp": "2019-09-12T13:33:28",
"content": "Bravo!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6179233",
"author": "Mike Schropp (totalgeek)",
"timestamp": "2019-09-12T20:36:33",
"con... | 1,760,373,767.528193 | ||
https://hackaday.com/2019/09/11/rideable-tank-tread-its-a-monotrack-motorcycle-that-begs-you-to-stop-very-slowly/ | Rideable Tank Tread: It’s A Monotrack Motorcycle That Begs You To Stop Very Slowly | Danie Conradie | [
"how-to",
"Transportation Hacks"
] | [
"engine",
"machining",
"monowheel",
"motorcycle",
"personal transport",
"tank track",
"unicycle",
"welding"
] | There will always be those of us who yearn for an iron steed and the wind through your hair. (Or over your helmet, if you value the contents of your skull.) If having fun and turning heads is more important to you than speed or practicality, [Make it Extreme] has just the bike for you. Using mostly scrapyard parts, the... | 47 | 18 | [
{
"comment_id": "6179025",
"author": "Andrew Hooper",
"timestamp": "2019-09-11T23:27:59",
"content": "IM IN LOVE!!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6179027",
"author": "Patrick",
"timestamp": "2019-09-11T23:31:16",
"content": "This ... | 1,760,373,767.628739 | ||
https://hackaday.com/2019/09/11/handheld-lora-joystick-for-long-range-bots/ | Handheld LoRa Joystick For Long-Range Bots | Tom Nardi | [
"Microcontrollers",
"Robots Hacks",
"Wireless Hacks"
] | [
"3D printed enclosure",
"Adafruit Feather",
"Feather M0",
"Joystick",
"LoRa",
"resin printer"
] | Wanting a simple tool to aid in the development of LoRa controlled robotic projects,
[Jay Doscher] put together this very slick one-handed controller
based on the 900 MHz Adafruit Feather M0. With a single trigger and a miniature analog joystick it’s a fairly simple input device, but should be just enough to test basic... | 11 | 4 | [
{
"comment_id": "6179010",
"author": "Luke",
"timestamp": "2019-09-11T21:42:56",
"content": "The difficulty with LoRa is still the limited transmission limits on the ISM bands. Typically you’re not allowed to transmit more than 1% of the time, so continuous signaling is not possible. Otherwise you m... | 1,760,373,767.685463 | ||
https://hackaday.com/2019/09/11/smart-buoy-rides-the-citizen-science-wave/ | Smart Buoy Rides The Citizen Science Wave | Kristina Panos | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"research buoy",
"wave research"
] | Those beautiful and dangerous ocean waves that beckon us to the coast are more than just a pretty sight. They can tell us a lot about weather patterns and what the sea itself is doing. As vital as this information is, the existing methods of doing wave research are pretty expensive. The team at [t3chflicks] wanted to s... | 9 | 4 | [
{
"comment_id": "6179044",
"author": "Ren",
"timestamp": "2019-09-12T01:43:14",
"content": "Nice project!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6183340",
"author": "T3chFlicks",
"timestamp": "2019-09-29T19:59:48",
"content": ... | 1,760,373,767.731395 | ||
https://hackaday.com/2019/09/11/books-you-should-read-exact-constraint-machine-design-using-kinematic-principles/ | Books You Should Read: Exact Constraint: Machine Design Using Kinematic Principles | Sonya Vasquez | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"books you should read",
"Douglass L. Blanding",
"exact-constraint design",
"machine design"
] | Surely, if you’re reading this website you’ve teased the thought of building your own 3D printer. I certainly did. But from my years of repeated rebuilds of my homebrew laser cutter, I learned one thing: machine design is hard, and parts cost money. Rather than jump the gun and start iterating on a few machine builds l... | 53 | 14 | [
{
"comment_id": "6178959",
"author": "Help You",
"timestamp": "2019-09-11T17:34:46",
"content": "Apparently this is a textbook used in college classes, or at least Amazon thinks it is. I hope this article doesn’t affect the supply resulting in some students not getting their copies!Anyway, it seems ... | 1,760,373,769.534557 | ||
https://hackaday.com/2019/09/11/using-machinery-to-make-factory-fresh-industrial-music/ | Using Machinery To Make Factory-Fresh Industrial Music | Kristina Panos | [
"Musical Hacks",
"Tool Hacks"
] | [
"factory",
"industrial music",
"machine music",
"machinery"
] | Many machines make music as a side effect, as anyone who owns a 3D printer can confirm. [工場音楽レーベルINDUSTRIAL JP] is working on a project to meld music and machinery in new ways.
They are building a record label and a playlist based on the sights and sounds of small factories in Japan
. Their videos combine the hypnotizi... | 5 | 5 | [
{
"comment_id": "6178957",
"author": "Matt Cramer",
"timestamp": "2019-09-11T17:13:30",
"content": "This is officially the most literal take on industrial music ever.OK, somebody had to say that. And the videography is really impressive too.",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,373,769.828347 | ||
https://hackaday.com/2019/09/11/lambdas-for-c-sort-of/ | Lambdas For C — Sort Of | Al Williams | [
"Featured",
"Original Art",
"Skills",
"Slider",
"Software Hacks"
] | [
"c++",
"gcc",
"lambda",
"lambda function"
] | A lot of programming languages these days feature lambda functions, or what I would be just as happy to call anonymous functions. Some people make a big deal out of these but the core idea is very simple. Sometimes you need a little snippet of code that you only need in one place — most commonly, as a callback function... | 49 | 17 | [
{
"comment_id": "6178918",
"author": "Gravis",
"timestamp": "2019-09-11T14:50:44",
"content": "Friends don’t let friends use compiler specific language extensions… (except when developing for bare metal!)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "617892... | 1,760,373,769.786185 | ||
https://hackaday.com/2019/09/11/pan-and-tilt-to-a-new-3d-printed-business-model/ | Pan And Tilt To A New 3D Printed Business Model | Kerry Scharfglass | [
"3d Printer hacks"
] | [
"3d printing",
"3D printing business",
"business model",
"camera",
"manufacturing",
"product"
] | When shooting video, an easy way to get buttery smooth panning and tracking is to use a mechanical device like a rail to literally slide the camera side to side. These range from what is essentially a skateboard to incredible programmable multi-axis industrial robots, a wide variety of which have been visible in the ba... | 11 | 4 | [
{
"comment_id": "6178865",
"author": "Robert Mateja",
"timestamp": "2019-09-11T11:33:02",
"content": "You basically don’t pay for most expensive part – Labour.There is just no way that 3d printed part will be cheaper than injection molded.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,769.633526 | ||
https://hackaday.com/2019/09/10/because-conventional-laser-harps-arent-dangerous-enough/ | Because Conventional Laser Harps Aren’t Dangerous Enough | Jenny List | [
"Musical Hacks"
] | [
"laser harp",
"laser rangefinder",
"midi",
"tesla coil"
] | In the late 1980s, the French musician [Jean-Michel Jarre] famously toured with a laser harp. The word among teenage fans was that he had to wear special gloves to stop his hands getting burned, because 1980s teens were both impressionable and didn’t know much about lasers. In fact we’re told by a member of our communi... | 7 | 5 | [
{
"comment_id": "6178660",
"author": "Black Mage",
"timestamp": "2019-09-10T16:43:47",
"content": "Now this is the kind of cool stuff I like to see.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6178669",
"author": "ad0",
"timestamp": "2019-09-10T17:1... | 1,760,373,769.339248 | ||
https://hackaday.com/2019/09/10/norovirus-smartphone-using-megapixels-and-microfluidics-to-fight-the-other-kind-of-virus-infection/ | Norovirus Smartphone: Using Megapixels And Microfluidics To Fight The Other Kind Of Virus Infection | Dan Maloney | [
"Featured",
"Interest",
"News",
"Original Art"
] | [] | Chances are pretty good that at some time in your life, you’ve crossed paths with a norovirus. And chances are that you remember the encounter vividly, or at least its aftermath. I recall a run-in with the bug one Christmas, when my parents brought over more than just toys for the kids when they visited. Within a day, ... | 8 | 5 | [
{
"comment_id": "6178627",
"author": "drenehtsral",
"timestamp": "2019-09-10T14:16:56",
"content": "“A small amount of aqueous sample suspected to be contaminated with norovirus is added to the paper”… Due to the nature of Norovirus this small aqueous norovirus sample is overwhelmingly likely to be ... | 1,760,373,769.583572 | ||
https://hackaday.com/2019/09/10/detecting-cars-with-an-esp8266-magnetometer/ | Detecting Cars With An ESP8266 Magnetometer | Tom Nardi | [
"home hacks",
"Microcontrollers"
] | [
"automatic",
"ESP8266",
"gate",
"magnetometer",
"QMC5883X",
"sensor",
"weatherproofing"
] | Having a motorized gate on your driveway is great, but only if there’s an easy way to trigger it. [Andrew] says the gate at his parent’s place could only be controlled by manually pushing a button on the panel or with a dinky remote that didn’t have nearly the range they wanted. So he decided to
build his own magnetome... | 28 | 11 | [
{
"comment_id": "6178607",
"author": "sweethack",
"timestamp": "2019-09-10T12:25:14",
"content": "It seems like the website:https://www.appmarsh.comis copying your content (https://www.appmarsh.com/hackaday-detecting-cars-with-an-esp8266-magnetometer/)",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,770.025608 | ||
https://hackaday.com/2019/09/10/core-rope-memory-makes-one-of-the-oddest-led-flashers-weve-ever-seen/ | Core Rope Memory Makes One Of The Oddest LED Flashers We’ve Ever Seen | Jenny List | [
"Arduino Hacks"
] | [
"core memory",
"Core rope memory",
"rope memory"
] | If you’ve heard of core rope memory, it will probably be in the context of vintage computing equipment such as Apollo-era NASA hardware. A string of magnetic cores and sense wires form a simple ROM arrangement, which though long-ago-superceded by semiconductor memory remains possible to recreate by the experimenter. It... | 5 | 2 | [
{
"comment_id": "6178649",
"author": "tedderp",
"timestamp": "2019-09-10T16:10:00",
"content": "Obligatory (and missing) youtube link to his creation:https://www.youtube.com/watch?v=8H_4KBkwSY4",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6178666",
"auth... | 1,760,373,769.681959 | ||
https://hackaday.com/2019/09/09/this-ct-scan-of-a-pcb-is-the-accidental-asmr-we-didnt-know-we-needed/ | This CT Scan Of A PCB Is The Accidental ASMR We Didn’t Know We Needed | Daniel Bogdanoff | [
"Art",
"News"
] | [
"artistic pcb",
"ASMR",
"CT Scan",
"pcb scan",
"x-ray",
"x-ray imaging",
"x-ray microtomography"
] | At risk of getting any ASMR buffs who might be reading cranky because there’s no audio, [Chris], or [@no1089] on Twitter, has gifted us with this
visually stunning scan
of his Maxim MAX86160 in-ear heart monitor mounted on a rigidflex PCB. You can take a look, in the video below the break.
If you’re wondering why anyon... | 13 | 7 | [
{
"comment_id": "6178550",
"author": "pnv57",
"timestamp": "2019-09-10T05:08:46",
"content": "I’ve had the pleasure of x-raying various devices at the dentist, and using a very special GE CT scanner to take several scans of my accordion and making 3d reconstructions of what was inside.Here’s a reddi... | 1,760,373,769.441619 | ||
https://hackaday.com/2019/09/09/bst-863-hot-air-rework-station-teardown/ | BST-863 Hot Air Rework Station Teardown | Al Williams | [
"Teardown"
] | [
"BST-863",
"heat gun",
"hot air",
"hot air station",
"soldering station"
] | [Voltlog] has had a 952 hot air rework station for a long time. You’ll recognize it when you see it — they are the ubiquitous soldering iron and hot air gun combination from China sold under numerous brand names. He didn’t think the old station was as good as some of the newer devices available, and did a
teardown and ... | 3 | 3 | [
{
"comment_id": "6178569",
"author": "Lily",
"timestamp": "2019-09-10T07:26:04",
"content": "I routinely rip piezo speakers out of things that make too many beeps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6235382",
"author": "LUKI",
"timestamp": ... | 1,760,373,769.378387 | ||
https://hackaday.com/2019/09/09/everything-you-wanted-to-know-about-padauk-mcus-and-more/ | Everything You Wanted To Know About Padauk MCUs And More | Maya Posch | [
"hardware",
"Microcontrollers",
"Parts",
"Software Development"
] | [
"mcus",
"microcontrollers",
"Padauk"
] | At this point you’d need to have lived underneath a rock somewhere on the dark side of the Moon to not have heard about these amazing, 3-cent microcontrollers. A number of places have pitched in on them, but comprehensive reviews, let alone a full-blown review of the entire ecosystem surrounding these Padauk MCUs have ... | 40 | 14 | [
{
"comment_id": "6178488",
"author": "atomicwrites",
"timestamp": "2019-09-09T21:50:43",
"content": "I guess I’m a rock dwelling lunatic then, because I had never heard of these.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178494",
"author": "Mat... | 1,760,373,770.165493 | ||
https://hackaday.com/2019/09/11/does-your-home-assistant-know-when-you-are-sleeping/ | Does Your Home Assistant Know When You Are Sleeping? | Al Williams | [
"Arduino Hacks"
] | [
"bed occupancy",
"home-assistant",
"load cell"
] | It always gives us a sense of wonder when we realize that what would be a simple task for a human child is a big deal for a computer. For example, if you asked someone if you or someone else was in bed, that’s a pretty simple thing to check. For you, that is. For a computer, it requires some sort of sensor. [Lewis] use... | 19 | 7 | [
{
"comment_id": "6178839",
"author": "Marcolito",
"timestamp": "2019-09-11T09:27:08",
"content": "Somethin’ heavy could be jigging in that bed…you don’t really wanna get on that resonant frequency…it just ain’t decent!",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,373,770.082872 | ||
https://hackaday.com/2019/09/10/warwalking-for-radiation/ | Warwalking For Radiation | Elliot Williams | [
"Raspberry Pi"
] | [
"Fallout",
"photomultiplier tube",
"radiation",
"raspberry pi",
"scintillation probe"
] | Can’t find a recently updated survey of radioactivity in your neighborhood? Try [Hunter Long]’s
DIY scintillation counter warwalking rig
. (Video also embedded below.) What looks like a paint can with a BNC cable leading to an unassuming grey box is actually a complete kit for radiation surveying.
Inside the metal pain... | 24 | 9 | [
{
"comment_id": "6178800",
"author": "T",
"timestamp": "2019-09-11T06:05:01",
"content": "Fly ash used in roads is radioactive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178905",
"author": "Luke",
"timestamp": "2019-09-11T13:54:11",
... | 1,760,373,770.478649 | ||
https://hackaday.com/2019/09/10/learn-morse-code-clockwork-orange-style/ | Learn Morse Code, Clockwork Orange Style | Al Williams | [
"Radio Hacks"
] | [
"cw",
"ham radio",
"morse code"
] | You might have to provide your own wrist straps and eye clamps, but if you want to learn Morse code, [Seth] has
a web site for you
. You can get code practice using the Farnsworth method and each letter is flashed before you as it is sent, which we assume will burn it into your brain.
Why learn Morse code now? Just abo... | 11 | 4 | [
{
"comment_id": "6178781",
"author": "Michael Black",
"timestamp": "2019-09-11T02:31:39",
"content": "If the characters are sent fast, you get used to the overall sound of the character. If you start listening to the characters sent at slow speed, you hear the individual dots and dashes. So you i... | 1,760,373,770.360342 | ||
https://hackaday.com/2019/09/10/diy-watertight-junction-box-for-serious-outdoor-sealing/ | DIY Watertight Junction Box For Serious Outdoor Sealing | Donald Papp | [
"how-to",
"Tool Hacks"
] | [
"3d printed",
"enclosure",
"junction box",
"oogoo",
"sealant",
"silicone"
] | Thingiverse user [The-Mechanic] shared
a design for 3D printed enclosures
that are made to house wire and cable junctions, which can then be rendered weatherproof by injecting them with a suitable caulking compound and allowing it to cure. It’s a cross between an enclosure and
potted electronics
. It’s also a one-way t... | 32 | 13 | [
{
"comment_id": "6178755",
"author": "macona",
"timestamp": "2019-09-10T23:21:23",
"content": "Traditional RTV is not really recommended for use with electrical. It contains acetic acid which can cause corrosion. You can get electronics compatible silicone though as well as two part potting compound... | 1,760,373,770.555123 | ||
https://hackaday.com/2019/09/10/digital-oscilloscope-does-its-best-analog-impression/ | Digital Oscilloscope Does Its Best Analog Impression | Tom Nardi | [
"Tool Hacks"
] | [
"analog oscilloscope",
"Digital oscilliscope",
"oscilliscope",
"owon",
"test equipment"
] | Do you ever find yourself yearning for the days before digital storage oscilloscopes (DSOs)? Where even the basic scopes commanded four figures, and came in a bench-dominating form factor? No, of course you don’t. The DSO is a wonder of modern technology: for a couple hundred bucks you can have capabilities that previo... | 48 | 17 | [
{
"comment_id": "6178720",
"author": "Harvie.CZ",
"timestamp": "2019-09-10T20:24:52",
"content": "As said… Looks as usefull(less) as cheap chinese pocket oscilloscopes. But unlike them it’s big and unisolated (no battery power), which might cause troubles when used for education of students unaware ... | 1,760,373,770.641873 | ||
https://hackaday.com/2019/09/10/meet-the-20-finalists-in-the-2019-hackaday-prize/ | Meet The 20 Finalists In The 2019 Hackaday Prize | Mike Szczys | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"finalists"
] | The
Hackaday Prize
is our global engineering initiative, now in its sixth year. For 2019, the focus is on product development: with great engineering and a working prototype, can you also go the distance to embrace the user’s needs and ensure the project can be produced in quantity? Throughout the Spring and Summer we’... | 7 | 4 | [
{
"comment_id": "6178702",
"author": "Robot",
"timestamp": "2019-09-10T19:21:02",
"content": "Dang, looking through the bios of your judges I have to hand it to HaD on towing the line of inclusiveness and technical excellence.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,373,770.410735 | ||
https://hackaday.com/2019/09/10/why-ada-is-the-language-you-want-to-be-programming-your-systems-with/ | Why Ada Is The Language You Want To Be Programming Your Systems With | Maya Posch | [
"Featured",
"Original Art",
"Skills",
"Slider",
"Software Development"
] | [
"ada",
"Ada Lovelace",
"adacore",
"embedded development",
"programming languages"
] | The Ada programming language was born in the mid-1970s, when the US Department of Defense (DoD) and the UK’s Ministry Of Defence sought to replace the hundreds of specialized programming languages used for the embedded computer systems that increasingly made up essential parts of military projects. Instead, Ada was de... | 168 | 48 | [
{
"comment_id": "6178665",
"author": "embedded developer",
"timestamp": "2019-09-10T17:05:49",
"content": "It’s all fun and games untill boss ask you to develop device and gives you unrealistic deadline. Unless you want to become a lavatory hygene technican at your local fast food joint you just hav... | 1,760,373,770.85475 | ||
https://hackaday.com/2019/09/09/solder-ninja-dabbles-in-usb-power-arcana/ | Solder Ninja Dabbles In USB Power Arcana | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"soldering iron",
"USB C",
"usb c power delivery",
"USB Power Delivery"
] | USB first hit the scene in the 1990s, and was intended to simplify connecting peripherals to PCs and eliminate the proliferation of various legacy interfaces. Over 20 years later, it’s not only achieved its initial goals, but become a de facto standard for charging and power supply for all manner of personal electronic... | 22 | 7 | [
{
"comment_id": "6178445",
"author": "Sjaak",
"timestamp": "2019-09-09T19:00:08",
"content": "Soo many standards to choose from… (https://xkcd.com/927/)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178454",
"author": "Alexander Wikström",
... | 1,760,373,770.915833 | ||
https://hackaday.com/2019/09/09/lego-house-right-next-to-denmarks-legoland-but-way-cooler/ | Lego House: Right Next To Denmark’s Legoland, But Way Cooler | Jenny List | [
"Reviews",
"Toy Hacks"
] | [
"lego",
"lego house",
"legoland"
] | If there is one thing that most Hackaday readers will know about Denmark, it is that it’s the home of the Lego brick. The toy first appeared at the end of the 1940s from the factory of
Ole Kirk Christiansen
‘s Lego company in Billund, central Denmark, and has remained inseparable from both the town and the country ever... | 32 | 13 | [
{
"comment_id": "6178404",
"author": "DV Henkel-Wallace",
"timestamp": "2019-09-09T17:23:35",
"content": "…sets from that era we’re more “Here are a load of parts, go and build anything you want” rather than “Here is a set to make this spaceship, go and build that”, and I at least am left with the f... | 1,760,373,771.096878 | ||
https://hackaday.com/2019/09/09/hows-that-2-5d-printer-working-for-you/ | How’s That 2.5D Printer Working For You? | Al Williams | [
"3d Printer hacks"
] | [
"2.5d printing",
"3d printing",
"nonplanar"
] | We’ve noticed a trend lately that advanced 3D printing people are calling their normal print setup as 2.5D, not 3D. The idea is that while the machine has 3 axes, the actual geometry generation is typically only in the X and Y axis. The Z axis simply lifts up to the next layer unless you are working in vase mode. [Teac... | 35 | 11 | [
{
"comment_id": "6178386",
"author": "P Kenna",
"timestamp": "2019-09-09T16:19:21",
"content": "I’ve been watching the development of this and It’s pretty exciting. I hope this can become more mainstream down the road.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,373,771.218377 | ||
https://hackaday.com/2019/09/09/machine-learning-with-microcontrollers-hack-chat/ | Machine Learning With Microcontrollers Hack Chat | Dan Maloney | [
"Interviews",
"Machine Learning"
] | [
"ai",
"arduino",
"cnn",
"machine learning",
"microcontroller",
"model",
"raspberry pi",
"tensor flow"
] | Join us on Wednesday, September 11 at noon Pacific for the
Machine Learning with Microcontrollers Hack Chat
with
Limor “Ladyada” Fried
and
Phillip Torrone
from Adafruit!
We’ve gotten to the point where a $35 Raspberry Pi can be a reasonable alternative to a traditional desktop or laptop, and microcontrollers in the Ard... | 4 | 2 | [
{
"comment_id": "6178507",
"author": "Multichat",
"timestamp": "2019-09-09T22:50:05",
"content": "Always like the chats with multiple participants, makes things a bit more lively.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178744",
"author": "Da... | 1,760,373,771.144009 | ||
https://hackaday.com/2019/09/09/cheese-grater-now-grates-cheese/ | Cheese Grater Now Grates Cheese | Bryan Cockfield | [
"computer hacks"
] | [
"3d printed",
"apple",
"cheese",
"g5",
"grater",
"mac",
"power mac",
"raspberry pi"
] | If you’ve been using Apple products since before they were cool, you might remember the Power Mac G5. This was a time before Apple was using Intel processors, so compatibility issues were high and Apple’s number of users was pretty low. They were still popular in some areas but didn’t have the wide appeal they have now... | 11 | 5 | [
{
"comment_id": "6178367",
"author": "yetihehe",
"timestamp": "2019-09-09T15:45:03",
"content": "I’m really grateful for this cheesy post :D As for rpi – more computing power but probably works way slower…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61784... | 1,760,373,771.27073 | ||
https://hackaday.com/2019/09/09/can-you-really-use-the-raspberry-pi-4-as-a-desktop-machine/ | Can You Really Use The Raspberry Pi 4 As A Desktop Machine? | Jonathan Bennett | [
"Featured",
"Interest",
"Original Art",
"Raspberry Pi"
] | [
"Desktop Replacement",
"Raspberry Pi 4"
] | When
the Raspberry Pi 4 was released
, many looked at the dual micro HDMI ports with disdain. Why would an SBC like the Raspberry Pi need two HDMI ports? The answer was that the Pi 4 is finally fast enough to work as a desktop replacement, and the killer feature (for many of us) for a desktop is multiple monitors.
Now ... | 90 | 39 | [
{
"comment_id": "6178334",
"author": "rbscharette",
"timestamp": "2019-09-09T14:14:52",
"content": "I’d totally see this as a good way to setup cheap terminals connected to a powerful server running VMs with the resources needed for each user/workload. In a previous workplace we used to have old P4 ... | 1,760,373,771.395777 | ||
https://hackaday.com/2019/09/09/plasma-powered-thrusters-for-your-homebrew-satellite-needs/ | Plasma-Powered Thrusters For Your Homebrew Satellite Needs | Dan Maloney | [
"Space"
] | [
"cubesat",
"fuel",
"ion thruster",
"magnetic",
"peek",
"plasma",
"PocketQube",
"propulsion",
"satellite",
"teflon",
"thrust",
"Ultem"
] | It seems as though every week we see something that clearly shows we’re living in the future. The components we routinely incorporate into our projects would have seemed like science fiction only a few short years ago, but now we buy them online and have them shipped to us for pennies. And what can say we’ve arrived in... | 22 | 10 | [
{
"comment_id": "6178326",
"author": "LordNothing",
"timestamp": "2019-09-09T12:29:02",
"content": "any idea what kind of thrust or specific impulse these things is? officially its “to be determined” but what are the typical performance characteristics for this kind of thruster?",
"parent_id": n... | 1,760,373,771.565667 | ||
https://hackaday.com/2019/09/09/one-motor-domino-laying-machine-works-for-tips/ | One-Motor Domino Laying Machine Works For Tips | Donald Papp | [
"how-to",
"Robots Hacks"
] | [
"3d printed",
"domino",
"hopper",
"mechanical",
"single motor"
] | [Gzumwalt] did things a little differently with his
Pink and Green Domino Machine II
, a 3D printed device that drops dominoes in a neat row ready for toppling over. Unlike his earlier version, this one holds dominoes laying flat in a hopper that’s accessible from the top for easy loading. The
previous unit
had an eleg... | 21 | 8 | [
{
"comment_id": "6178270",
"author": "Tbor",
"timestamp": "2019-09-09T08:15:54",
"content": "Yes!!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178484",
"author": "Greg",
"timestamp": "2019-09-09T21:29:00",
"content": "Thanks!",
... | 1,760,373,771.502457 | ||
https://hackaday.com/2019/09/08/snes-drone-aims-to-rock-the-spc700/ | SNES Drone Aims To Rock The SPC700 | Lewin Day | [
"Nintendo Hacks"
] | [
"snes",
"super nintendo",
"Super Nintendo Chalmers",
"super nintendo entertainment system"
] | Way back when, home computers and consoles didn’t have the RAM or storage space for full-length recorded audio tracks. Instead, a variety of techniques were used to synthesize music on the fly. The SNES was no exception, using the SPC700 Wavetable Synthesis chip to bust out the tunes. [Foxchild] wanted to use this chip... | 7 | 4 | [
{
"comment_id": "6178292",
"author": "Jonathan Wilson",
"timestamp": "2019-09-09T10:10:53",
"content": "The SPC700 is not a wavetable synthesis chip. Its a custom CPU that talks to a DSP chip to do the actual audio (and that isn’t wavetable either)",
"parent_id": null,
"depth": 1,
"repli... | 1,760,373,771.442153 | ||
https://hackaday.com/2019/09/08/ask-hackaday-at-what-point-is-hand-pick-and-place-too-much-work/ | Ask Hackaday: At What Point Is Hand Pick And Place Too Much Work? | Jenny List | [
"Ask Hackaday",
"hardware"
] | [
"hand assembly",
"pick and place",
"surface mount"
] | Just a section from a render of the board in question. It’s a daunting task for anyone facing it with a set of tweezers or a vacuum pencil.
A friend of ours here at Hackaday has an audacious design in the works that we hope will one day become a prototype that we can feature here. That day may be a little while coming ... | 36 | 22 | [
{
"comment_id": "6178236",
"author": "interstellarsurfer",
"timestamp": "2019-09-09T02:22:40",
"content": "Left out the opportunity to plug JLCPCB’s reasonably cheap, new assembly service. They have their limits, but it could be a good thing. 👌",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,373,772.02193 | ||
https://hackaday.com/2019/09/08/hackaday-links-september-8-2019/ | Hackaday Links: September 8, 2019 | Dan Maloney | [
"Hackaday links"
] | [
"arduino",
"contest",
"ESP32",
"fastLED",
"neopixel",
"reverse engineering",
"sheet goods",
"shop tips",
"usb"
] | We start this week with very sad news indeed. You may have heard about the horrific fire on the dive boat
Conception
off Santa Cruz Island last week, which claimed 33 lives. Sadly,
we lost one of our own
in the tragedy: Dan Garcia, author of the wildly popular
FastLED library
. Dan, 46, was an Apple engineer who lived ... | 7 | 5 | [
{
"comment_id": "6178218",
"author": "Vije Miller",
"timestamp": "2019-09-09T00:04:12",
"content": "Thanks Dan!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178220",
"author": "Vije Miller",
"timestamp": "2019-09-09T00:07:46",
"con... | 1,760,373,771.940589 | ||
https://hackaday.com/2019/09/08/tiny-led-cube-packs-a-meter-of-madness/ | Tiny LED Cube Packs Six Meters Of Madness | Kerry Scharfglass | [
"hardware",
"LED Hacks"
] | [
"cube",
"ISSI",
"led",
"LED cube",
"magnet wire",
"QI",
"qi coil",
"rgb cube",
"RGB LED",
"stm32",
"tiny"
] | When [Freddie] was faced with the challenge of building a sendoff gift for an an LED-loving coworker he hatched a plan. Instead of making a display from existing video wall LED panels he would make a cube. But not just any cube, a miniature desk sized one that wasn’t short of features or performance. We’d be over the m... | 11 | 10 | [
{
"comment_id": "6178191",
"author": "Sikri",
"timestamp": "2019-09-08T21:03:56",
"content": "Genius. Pure solder-y genius",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6178208",
"author": "Menno",
"timestamp": "2019-09-08T22:25:06",
"content": "S... | 1,760,373,771.890546 | ||
https://hackaday.com/2019/09/08/alekya-builds-with-bricks-and-mortar/ | ALEKYA Builds With Bricks And Mortar | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"bricklaying",
"construction"
] | Construction is often a labor-intensive task, particularly in the developing world where access to electricity and machinery can be limited. As always, robots promise to help ease the burden.
[Nishant Agarwal] is working on just such a project, known as ALEKYA
.
The aim of ALKEYA is to make construction easier and more... | 29 | 11 | [
{
"comment_id": "6178151",
"author": "Dan",
"timestamp": "2019-09-08T17:38:51",
"content": "Cool idea, but how about those plywood blocks?! What a Christmas gift idea to put my table saw to use",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178288",
... | 1,760,373,772.089042 | ||
https://hackaday.com/2019/09/08/cheap-stereo-microscope-helps-with-smd/ | Cheap Stereo Microscope Helps With SMD | Al Williams | [
"Tool Hacks"
] | [
"microscope",
"smd",
"soldering"
] | Soldering is best done under magnification. Parts become ever smaller and eyes get weaker, so even if you don’t need magnification now, you will. [Makzumi] didn’t want to shell out $400 or more for a good microscope so he
hacked one from some cheap binoculars
from the toy section on Amazon.
A lot of magnifiers aren’t r... | 22 | 10 | [
{
"comment_id": "6178089",
"author": "RetiredHobgoblin",
"timestamp": "2019-09-08T14:19:53",
"content": "This seems suitable for the third world. I’ll stick a $60 USB microscope and a tablet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6178106",
"... | 1,760,373,772.149258 | ||
https://hackaday.com/2019/09/08/an-rfid-ring-for-the-body-mod-squeamish/ | An RFID Ring For The Body Mod Squeamish | Al Williams | [
"Wearable Hacks"
] | [
"jewelry",
"rfid",
"ring"
] | Some people get inked, while others get henna or those water transfer tattoos you might find in a box of Cracker Jack. [Becky] wanted the benefits of having an RFID tag in her finger — unlock doors or log into your computer with a swipe of your finger — but wasn’t ready to get an implant. Her solution: make an
artistic... | 27 | 11 | [
{
"comment_id": "6178067",
"author": "Becky Stern",
"timestamp": "2019-09-08T12:10:37",
"content": "Thanks for the post! If anybody wants one of these rings, the giveaways are still open for another week on my Instagram and Patreon.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,772.495013 | ||
https://hackaday.com/2019/09/08/you-didnt-see-graphite-around-this-geiger-counter/ | You Didn’t See Graphite Around This Geiger Counter | Bryan Cockfield | [
"Tool Hacks"
] | [
"3d printed",
"geiger counter",
"pcb",
"simple",
"tube",
"voltage"
] | Even if you don’t work in a nuclear power plant, you might still want to use a Geiger counter simply out of curiosity. It turns out that there are a lot of things around which emit ionizing radiation naturally, for example granite, the sun, or bananas. If you’ve ever wondered about any of these objects, or just the spa... | 19 | 10 | [
{
"comment_id": "6178047",
"author": "acusticly coupled radiation counter",
"timestamp": "2019-09-08T08:51:08",
"content": "I am planning to build my own SMB-20 based geiger counter just for laughsFrom standpoint of practical use cases. The core functionality should not be any EPM-sensitive semicond... | 1,760,373,772.380192 | ||
https://hackaday.com/2019/09/07/how-many-commodores-does-it-take-to-crack-a-nut/ | How Many Commodores Does It Take To Crack A Nut? | Erin Pinheiro | [
"Retrocomputing"
] | [
"commodore 128",
"commodore 64",
"Commodore SID",
"music",
"orchestra",
"retro computer",
"sid chip",
"synthesizer"
] | It’s brilliant enough when composers make use of the “2SID” technique to double the channels in a Commodore 64 with two sound chips, but even then some people like to kick things up a notch. Say, five times more. [David Youd], [David Knapp] and [Joeri van Haren] worked together to bring us just that, ten Commodore comp... | 19 | 11 | [
{
"comment_id": "6178022",
"author": "James",
"timestamp": "2019-09-08T05:13:59",
"content": "To this day I can’t hear the dance of the sugar plum fairy without thinking about Mermaid Madness on the C64",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6178030",
... | 1,760,373,772.432909 | ||
https://hackaday.com/2019/09/07/anatomy-of-a-power-outage-explaining-the-august-outage-affecting-5-of-britain/ | Anatomy Of A Power Outage: Explaining The August Outage Affecting 5% Of Britain | Jenny List | [
"News"
] | [
"electricity grid",
"power",
"power grid",
"utility"
] | Without warning on an early August evening a significant proportion of the electricity grid in the UK went dark. It was still daylight so the disruption caused was not as large as it might have been, but it does highlight how we take a stable power grid for granted.
The story is a fascinating one of a 76-second chain o... | 18 | 12 | [
{
"comment_id": "6178038",
"author": "James Purcell",
"timestamp": "2019-09-08T07:33:26",
"content": "This is an interesting read. Thank you for sharing it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6178053",
"author": "Sweeney",
"timestamp": "201... | 1,760,373,772.207707 | ||
https://hackaday.com/2019/09/07/fail-of-the-week-taking-apart-a-tesla-battery/ | Fail Of The Week: Taking Apart A Tesla Battery | Bryan Cockfield | [
"Transportation Hacks"
] | [
"battery",
"fail",
"glue",
"hammer",
"model 3",
"pex",
"teardown",
"tesla"
] | It takes a lot of energy to push a car-sized object a few hundred miles. Either a few gallons of gasoline or several thousand lithium batteries will get the job done. That’s certainly a lot of batteries, and a lot more potential to be unlocked for their use than hurling chunks of metal around on wheels. If you have an ... | 86 | 26 | [
{
"comment_id": "6177976",
"author": "Chris",
"timestamp": "2019-09-07T23:07:35",
"content": "So how will these batteries be recycled 10 years from now?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6177978",
"author": "kea oliver",
"timesta... | 1,760,373,772.614541 | ||
https://hackaday.com/2019/09/07/reducing-drill-bit-wear-the-cryogenic-way/ | Reducing Drill Bit Wear The Cryogenic Way | Bryan Cockfield | [
"chemistry hacks"
] | [
"cryogenic",
"drill bit",
"forging",
"hardness",
"heat treatment",
"liquid nitrogen",
"metal",
"metalsmith",
"smith",
"smithing"
] | There are a lot of ways that metals can be formed into various shapes. Forging, casting, and cutting are some methods of getting the metal in the correct shape. An oft-overlooked aspect of smithing (at least by non-smiths) is the effect of temperature on the final characteristics of the metal, such as strength, brittle... | 13 | 9 | [
{
"comment_id": "6177965",
"author": "Luke",
"timestamp": "2019-09-07T20:25:47",
"content": "Cryogenic quenching is also used for some alloys that would not otherwise harden. Quenching to room temperature oil etc. won’t remove heat fast enough because the heat flow slows down as the temperatures equ... | 1,760,373,772.662382 | ||
https://hackaday.com/2019/09/07/is-solar-right-for-you-find-out/ | Is Solar Right For You? Find Out! | Bryan Cockfield | [
"Solar Hacks"
] | [
"data",
"intensity",
"photovoltaics",
"recorder",
"solar",
"tracker",
"waterproof"
] | Solar panels are revolutionizing the electric power industry, but not everyone is a good candidate for rooftop solar. Obviously people in extreme northern or sothern latitudes aren’t going to be making a ton of energy during the winter compared to people living closer to the equator, for example, but there are other fa... | 22 | 10 | [
{
"comment_id": "6177942",
"author": "Doug Leppard",
"timestamp": "2019-09-07T17:50:14",
"content": "Funny I thought about this recently myself. I already had a bunch of Arduino Nanos and just bought some cheap tiny solar panels. I was going to put them in the various location the person that gave... | 1,760,373,772.777656 | ||
https://hackaday.com/2019/09/06/building-a-gps-with-bug-eyes-and-ancient-wisdom/ | Building A GPS With Bug Eyes And Ancient Wisdom | Tom Nardi | [
"Raspberry Pi",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"celestial",
"navigation",
"polarization"
] | The Global Positioning System (GPS) is so ingrained into our modern life that it’s easy to forget the system was created for, and is still operated by, the United States military. While there are competing technologies, such as GLONASS and Galileo, they are still operated by the governments of their respective countrie... | 12 | 5 | [
{
"comment_id": "6177774",
"author": "Robert",
"timestamp": "2019-09-06T18:51:09",
"content": "Avoiding dependence on external infrastructure is a very wise move. What’s the positional accuracy like or is that not yet predicted/tested?",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,772.712251 | ||
https://hackaday.com/2019/09/06/sensor-filters-for-coders/ | Sensor Filters For Coders | Pat Whetman | [
"Featured",
"how-to",
"Skills",
"Slider"
] | [
"complex numbers",
"EWMA",
"Exponentially Weighted Moving Average",
"filter",
"Jupyter Notebook",
"math",
"polar",
"python",
"robotics",
"Simple Moving Average",
"Weighted Moving Average",
"wind direction",
"WMA"
] | Anybody interested in building their own robot, sending spacecraft to the moon, or launching inter-continental ballistic missiles should have at least some basic filter options in their toolkit, otherwise the robot will likely wobble about erratically and the missile will miss it’s target.
What is a filter anyway? In p... | 35 | 14 | [
{
"comment_id": "6177763",
"author": "Comedicles",
"timestamp": "2019-09-06T17:47:14",
"content": "Heat flow is non-deterministic. I wonder how that effects a predictor type filter like the Kalman? Anyway, Kalman filters have been used in any bit of moving ordinance with a processor since the Apollo... | 1,760,373,772.90649 | ||
https://hackaday.com/2019/09/06/hackaday-podcast-034-15-years-of-hackaday-esp8266-hacked-hydrogen-seeps-into-cars-giant-scara-drawbot-really-remote-rc-car-racing/ | Hackaday Podcast 034: 15 Years Of Hackaday, ESP8266 Hacked, Hydrogen Seeps Into Cars, Giant Scara Drawbot, Really Remote RC Car Racing | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"3d printing",
"drawbot",
"Hackaday Podcast",
"hydrogen fuel cell",
"rc car extra",
"Satellites",
"SCARA arm",
"super 8"
] | Elliot Williams and Mike Szczys wish Hackaday a happy fifteenth birthday! We also jump into a few vulns found (and fixed… ish) in the WiFi stack of ESP32/ESP8266 chips, try to get to the bottom of improved search for 3D printable CAD models, and drool over some really cool RC cars that add realism to head-to-head onlin... | 5 | 4 | [
{
"comment_id": "6177816",
"author": "Prof. Fartsparkle",
"timestamp": "2019-09-06T21:37:52",
"content": "Great episode!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6177842",
"author": "Luke",
"timestamp": "2019-09-06T23:21:35",
"content": "Than... | 1,760,373,772.821213 | ||
https://hackaday.com/2019/09/06/big-and-glowy-tetris-via-arduino/ | Big And Glowy Tetris Via Arduino | Lewin Day | [
"LED Hacks"
] | [
"arduino",
"tetris"
] | Tetris
was a breakout hit when it was released for the Nintendo Game Boy in 1989, in much the same way that
Breakout
was a breakout hit in arcades in 1976. Despite this, gamers of today expect a little more than a tiny monochrome LCD with severe motion blur problems.
Enter the LED Tetris build from [Electronoobs].
The ... | 3 | 3 | [
{
"comment_id": "6177775",
"author": "Jibé",
"timestamp": "2019-09-06T18:58:08",
"content": "Nice !Next step : hack it to play Doom.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6177863",
"author": "Willaim",
"timestamp": "2019-09-07T02:32:39",
"... | 1,760,373,773.037931 | ||
https://hackaday.com/2019/09/06/this-week-in-security-mass-iphone-compromise-more-vpn-vulns-telegram-leaking-data-and-the-hack-of-jack/ | This Week In Security: Mass IPhone Compromise, More VPN Vulns, Telegram Leaking Data, And The Hack Of @Jack | Jonathan Bennett | [
"computer hacks",
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"0-day",
"ios",
"This Week in Security",
"twitter"
] | In a very mobile-centric installment, we’re starting with the story of
a long-running iPhone exploitation campaign
. It’s being reported that this campaign was being run by the Chinese government. Attack attribution is decidedly non-trivial, so let’s be cautious and say that these attacks were probably Chinese operatio... | 15 | 6 | [
{
"comment_id": "6177741",
"author": "Mike",
"timestamp": "2019-09-06T15:49:52",
"content": "“This seems to have been caused by a third party advertisement library.”And this is why blindly using libraries and frameworks is one of the worst practices EVER. all it takes is the owner of said library to... | 1,760,373,773.146574 | ||
https://hackaday.com/2019/09/06/capture-a-star-in-a-jar-with-sonoluminescence/ | Capture A Star In A Jar With Sonoluminescence | Dan Maloney | [
"Misc Hacks"
] | [
"cavitation",
"LC circuit",
"sonoluminescence",
"transducer",
"ultrasonic",
"ultrasound"
] | If nothing else, [Justin Atkin] is persistent. How else do you explain
a five-year quest to create sonoluminescence with simple tools
?
So what exactly is sonoluminescence? The short answer is as the name suggests: a release of light caused by sound. In [Justin]’s case, he used an ultrasonic transducer to set up a stan... | 19 | 8 | [
{
"comment_id": "6177658",
"author": "Dave Walker",
"timestamp": "2019-09-06T11:15:25",
"content": "A blue glow in water sounds suspiciously like Cherenkov Radiationhttps://en.wikipedia.org/wiki/Cherenkov_radiationI wonder if the air in the bubble is emitting photons somehow, which are then exceedin... | 1,760,373,773.200523 | ||
https://hackaday.com/2019/09/06/high-voltage-protects-low-denominations/ | High Voltage Protects Low Denominations | Tom Nardi | [
"Lifehacks",
"Security Hacks"
] | [
"3D printed enclosure",
"high voltage",
"iris",
"spark gap"
] | How do you keep people out of your change jar? If you didn’t say
with a 3D printed iris mechanism and high-voltage spark gap
, then clearly you aren’t [Vije Miller]. Which is probably for the best, as we’re not sure we actually want to live in a world where there are two of these things.
Regular Hackaday readers will k... | 17 | 7 | [
{
"comment_id": "6177617",
"author": "LightningPhil",
"timestamp": "2019-09-06T08:24:27",
"content": "Awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6177634",
"author": "BT",
"timestamp": "2019-09-06T09:22:45",
"content": "After mention of... | 1,760,373,773.097396 | ||
https://hackaday.com/2019/09/05/hackaday-celebrates-15-years-and-oh-how-the-hardware-has-changed/ | Hackaday Celebrates 15 Years And Oh How The Hardware Has Changed | Mike Szczys | [
"Current Events",
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"15th Anniversary",
"hackaday",
"restrospective"
] | Today marks exactly 15 years since Hackaday began featuring one Hack a Day, and we’ve haven’t missed a day since. Over 5,477 days we’ve published 34,057 articles, and the Hackaday community has logged 903,114 comments. It’s an amazing body of work from our writers and editors, a humbling level of involvement from our r... | 56 | 32 | [
{
"comment_id": "6177340",
"author": "Ostracus",
"timestamp": "2019-09-05T14:13:18",
"content": "And now someone needs to hack up a nice cake.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6177342",
"author": "Mike Szczys",
"timestamp": "201... | 1,760,373,773.413379 | ||
https://hackaday.com/2019/09/05/esp8266-and-esp32-wifi-hacked/ | ESP8266 And ESP32 WiFi Hacked! | Elliot Williams | [
"Security Hacks",
"Wireless Hacks"
] | [
"crash",
"ESP32",
"ESP8266",
"hack",
"security",
"sky is falling",
"vulnerability",
"wifi"
] | [Matheus Garbelini] just came out with
three (3!) different WiFi attacks
on the popular ESP32/8266 family of chips. He notified Espressif first (thanks!) and they’ve patched around most of the vulnerabilities already, but if you’re running software on any of these chips that’s in a critical environment, you’d better pu... | 48 | 15 | [
{
"comment_id": "6177277",
"author": "rbscharette",
"timestamp": "2019-09-05T11:21:40",
"content": "Oh no! An IoT minded device with security vulnerabilities! What a surprise! :)That being said I’m glad to see those are already patched. Thanks for the coverage.",
"parent_id": null,
"depth": ... | 1,760,373,773.700201 | ||
https://hackaday.com/2019/09/05/open-source-intel-helps-reveal-us-spy-sat-capabilities/ | Open Source Intel Helps Reveal US Spy Sat Capabilities | Lewin Day | [
"News"
] | [
"classified information",
"iran",
"satellite",
"satellite imaging",
"satellite tracking",
"spy satellite"
] | On the 30th August 2019, the President of the United States
tweeted an image of an Iranian spaceport
, making note of the recent failed Safir launch at the site. The release of such an image prompted raised eyebrows, given the high resolution of the image, and that it appeared to be a smartphone photo taken of a classi... | 28 | 9 | [
{
"comment_id": "6177264",
"author": "Ostracus",
"timestamp": "2019-09-05T10:31:25",
"content": "“The release of such an image prompted raised eyebrows, given the high resolution of the image, and that it appeared to be a smartphone photo taken of a classified intelligence document.”Smartphones may ... | 1,760,373,773.612906 | ||
https://hackaday.com/2019/09/05/kinetic-lamp-sheds-light-on-scientific-principles/ | Kinetic Lamp Sheds Light On Scientific Principles | Kristina Panos | [
"Arduino Hacks"
] | [
"apa102",
"arduino nano",
"desk toy",
"POV",
"standing wave"
] | This thing right here might be the coolest desk toy since Newton’s Cradle. It’s [Stephen Co]’s
latest installment in a line of mesmerizing, zodiac-themed art lamps
that started with the water-dancing Aquarius. All at once, it demonstrates standing waves, persistence of vision, and the stroboscopic effect. And the best... | 7 | 5 | [
{
"comment_id": "6177249",
"author": "mime",
"timestamp": "2019-09-05T09:00:57",
"content": "Interesting, and the hackaday.io page has a video which shows the effect",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6177332",
"author": "mrehorst",
"timest... | 1,760,373,773.543978 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.