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https://hackaday.com/2017/05/12/massive-cyber-attack-cripples-multiple-uk-hospitals/ | Massive Cyber Attack Cripples UK Hospitals, Spreads Globally | Jack Laidlaw | [
"News",
"Security Hacks"
] | [
"EternalBlue",
"hospital",
"internet of security vulnerabilities",
"network hack",
"NSA Hacking Tools",
"ransomware",
"Shadow Brokers"
] | A massive ransomware attack is currently under way. It was first widely reported having crippled the UK hospital system, but has since spread to numerous other systems throughout the world including FedEx in the US, the Russian Interior Ministry, and telecommunications firms in Spain and Russia.
The virus is known by n... | 179 | 34 | [
{
"comment_id": "3565504",
"author": "TheRegnirps.",
"timestamp": "2017-05-12T22:42:08",
"content": "It is the potato famine all over again. Once source for service sounds great until….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3565568",
"author... | 1,760,374,831.779656 | ||
https://hackaday.com/2017/05/12/another-printer-with-an-infinite-build-volume/ | Another Printer With An Infinite Build Volume | Brian Benchoff | [
"3d Printer hacks"
] | [
"BlackBelt",
"Blackbelt 3D",
"infinite build volume printer"
] | Very rarely do we see a 3D printer that is more than just a refinement of what’s currently standard practice. [Prusa]’s single-hotend, four-color printer makes the list, but that came out a while ago. The novel 32-bit controller board found in last year’s $200 Monoprice printer has the potential to change a cottage ind... | 16 | 6 | [
{
"comment_id": "3565421",
"author": "Matheus (@PractLabAuto)",
"timestamp": "2017-05-12T20:46:21",
"content": "“If you have enough time, filament, and electricity, there’s no reason you couldn’t print a plastic beam hundreds of meters long.”You also need hundreds of meters of empty space!",
"pa... | 1,760,374,831.320541 | ||
https://hackaday.com/2017/05/12/hackaday-prize-entry-modular-stepper-control/ | Hackaday Prize Entry: Modular Stepper Control | Eric Evenchick | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"3d printer",
"can-bus",
"motors",
"robotics",
"stepper"
] | Stepper motors are a great solution for accurate motion control. You’ll see them on many 3D printer designs since they can precisely move each axis. Steppers find uses in many robotics projects since they provide high torque at low speeds.
Since steppers are used commonly used for multi-axis control systems, it’s nice ... | 22 | 8 | [
{
"comment_id": "3565366",
"author": "C",
"timestamp": "2017-05-12T19:29:52",
"content": "PineappleStepper 2.0?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3565388",
"author": "Jii",
"timestamp": "2017-05-12T20:00:34",
"content": "... | 1,760,374,831.42313 | ||
https://hackaday.com/2017/05/12/simulating-the-learn-by-fixing-cpu/ | Simulating The Learn-by-Fixing CPU | Al Williams | [
"FPGA",
"Hackaday Columns",
"Skills"
] | [
"cpu",
"eda",
"eda playground",
"edaplayground",
"fpga",
"risc",
"simulation",
"verilog"
] | Last time
I looked at a simple 16-bit RISC processor aimed at students. It needed a little help on documentation and had a missing file, but I managed to get it to simulate using a free online tool called EDA Playground. This time, I’ll take you through the code details and how to run the simulation.
You’ll want to ref... | 24 | 8 | [
{
"comment_id": "3565285",
"author": "Yann Guidon / YGDES",
"timestamp": "2017-05-12T17:53:20",
"content": "Great job ! (again)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3565288",
"author": "Arlet",
"timestamp": "2017-05-12T17:56:16",
"content... | 1,760,374,832.051602 | ||
https://hackaday.com/2017/05/12/3d-printing-a-synthesizer/ | 3D Printing A Synthesizer | Brian Benchoff | [
"Musical Hacks"
] | [
"4046",
"cd4046",
"synth",
"synthesizer",
"vco"
] | Before there were samplers, romplers, Skrillex, FM synths, and all the other sounds that don’t fit into the trailer for the new
Blade Runner
movie, electronic music was simple. Voltage controlled oscillators, voltage controlled filters, and CV keyboards ruled the roost. We’ve gone over a lot of voltage controlled synth... | 13 | 6 | [
{
"comment_id": "3565214",
"author": "Ren",
"timestamp": "2017-05-12T16:20:32",
"content": "So, in other words, they synthesized a synthesizer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3565216",
"author": "Ren",
"timestamp": "2017-05-12... | 1,760,374,831.473635 | ||
https://hackaday.com/2017/05/12/automate-the-freight-medical-deliveries-by-drone/ | Automate The Freight: Medical Deliveries By Drone | Dan Maloney | [
"Featured",
"Interest",
"News",
"Original Art"
] | [
"Automate the Freight",
"autonomous aircraft",
"blood",
"cold chain",
"delivery",
"drone",
"fixed-wing",
"medicine",
"Rwanda",
"vaccine"
] | Being a cop’s kid leaves you with a lot of vivid memories. My dad was a Connecticut State Trooper for over twenty years, and because of the small size of the state, he was essentially on duty at all times. His cruiser was very much the family vehicle, and like all police vehicles, it was loaded with the tools of the tr... | 26 | 18 | [
{
"comment_id": "3565130",
"author": "Wyatt Olson",
"timestamp": "2017-05-12T14:22:35",
"content": "This looks amazing… Excellent use of technology, kudos to those who started this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3565136",
"author": "Ostrac... | 1,760,374,831.212781 | ||
https://hackaday.com/2017/05/12/hp-laptops-turn-up-keylogger-where-you-wouldnt-expect-it/ | HP Laptops Turn Up Keylogger Where You Wouldn’t Expect It | Lewin Day | [
"News",
"Security Hacks"
] | [
"conexant",
"HP",
"keylogger",
"laptop",
"news"
] | Keyloggers are nasty little things that have the potential to steal the credit card numbers of you and everyone you care about. Usernames and passwords can be easily stolen this way, so they’re a useful tool for the black hats out there. One would generally expect to find a keylogger in a dodgy movie torrent or perhaps... | 58 | 19 | [
{
"comment_id": "3564981",
"author": "Phrewfuf",
"timestamp": "2017-05-12T11:10:48",
"content": "It’s probably a good idea to link the original advisory by modzero:https://www.modzero.ch/advisories/MZ-17-01-Conexant-Keylogger.txt",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,831.567083 | ||
https://hackaday.com/2017/05/13/from-amritsar-to-busselton-more-world-create-day-stories/ | From Amritsar To Busselton; More World Create Day Stories | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Amritsar",
"design lab",
"fablab",
"FabLab San Diego",
"SW Makers",
"World Create Day"
] | A few weeks ago, we took Hackaday IRL and into hackerspaces around the globe. This was
World Create Day
, a community effort to come together and build something that matters. Think of it as the pre-game for the
Hackaday Prize
, our online competition to change the world by building hardware. The groups at these hacker... | 2 | 2 | [
{
"comment_id": "3566979",
"author": "ross barnes",
"timestamp": "2017-05-13T23:32:21",
"content": "Well done hackaday. It is refreshing to see people gather together with purpose of progressing human endeavour not destroying it. Thanks for mentioning the rest of Australia. Sydney does have appea... | 1,760,374,831.261461 | ||
https://hackaday.com/2017/05/13/say-hello-to-this-cortana-hologram/ | Say Hello To This Cortana Hologram | Adam Fabio | [
"computer hacks",
"home hacks"
] | [
"alexa",
"cortana",
"halo",
"hologram",
"pepper's ghost",
"siri",
"voice"
] | Halo’s Cortana enters the real world with this internet appliance. [Jarem Archer] has
built an amazing “holographic” home for Cortana of Halo and Windows fame.
The display isn’t really a hologram, it uses the age-old Pepper’s ghost illusion. A monitor reflects onto 3 angled half mirrored panels. This creates a convinci... | 27 | 14 | [
{
"comment_id": "3566301",
"author": "Steven Gann",
"timestamp": "2017-05-13T17:19:43",
"content": "Thank goodness HaD has the sense to tell a hologram from a reflection.Still, a very cool project. I’m hoping to see a lot more like this once the Cortana SDK is finally released.",
"parent_id": nu... | 1,760,374,831.947718 | ||
https://hackaday.com/2017/05/13/transparent-3d-printing/ | Transparent 3D Printing? | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"colorfabb ht",
"diffuser",
"optically clear",
"PETG",
"transparent"
] | Transparent plastic is nothing new. However, 3D prints are usually opaque or–at best–translucent. [Thomas Sanladerer] wanted to print something really transparent. He noticed that Colorfabb had an article about printing transparent pieces with their HT filament. [Thomas] wanted to try doing the same thing with standard... | 12 | 7 | [
{
"comment_id": "3566177",
"author": "Ostracus",
"timestamp": "2017-05-13T14:35:52",
"content": "Glass printer looks interesting, although I’d worry about the safety of that print-head in a consumer device?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "356618... | 1,760,374,831.368812 | ||
https://hackaday.com/2017/05/13/javascript-art-is-in-the-url/ | Javascript Art Is In The URL | Elliot Williams | [
"Misc Hacks",
"Slider"
] | [
"art",
"compress",
"hack",
"html",
"javascript",
"minification"
] | [Alexander Reben] makes tech art, and now he’s encouraging you to do the same —
within a URL
. The gimmick? Making the code small enough to fit the data portion of a link. And to help with that, he has set up a webpage that
uncompresses and wraps code
from the URL and inserts it into the HTML on the fly. His site essen... | 9 | 6 | [
{
"comment_id": "3566026",
"author": "jpa",
"timestamp": "2017-05-13T11:14:03",
"content": "Well, as long as there is nothing with private cookie/local storage data hosted on 4QR.xyz, the XSS risks do not matter.However this could be used to implement some javascript attacks with e.g. links posted o... | 1,760,374,832.387269 | ||
https://hackaday.com/2017/05/13/microcontroller-load-meter-tells-you-how-hard-its-currently-working/ | Microcontroller Load Meter Tells You How Hard It’s Currently Working | Lewin Day | [
"Microcontrollers"
] | [
"load meter",
"load monitor",
"microcontroller"
] | Writing code for embedded applications can be difficult. There are all sorts of problems you can run into – race conditions, conflicting peripherals, unexpected program flow – any of these can cause havoc with your project. One thing that can really mess things up is if your microcontroller is getting stuck on a routin... | 19 | 13 | [
{
"comment_id": "3566044",
"author": "Steven-X",
"timestamp": "2017-05-13T12:15:12",
"content": "The Hardware side was simpler than expected.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6502004",
"author": "Terry Porter",
"timestamp": "202... | 1,760,374,832.17656 | ||
https://hackaday.com/2017/05/12/hacklabs-logo-changes-with-the-habitat-of-a-beet-plant/ | Hacklab’s Logo Changes With The Habitat Of A Beet Plant | John Baichtal | [
"Arduino Hacks"
] | [
"beet",
"hackerspace",
"plant",
"sensors"
] | Zaragoza, Spain hacklab La Remolacha (“The Beet”) sports a logo which
responds to human interaction
with a beet plant growing in the space. Sensors keep track of temperature as well as humidity for both air and ground, while buttons add more water, plant food, light, and music.
The shape and activity of the visualizati... | 2 | 2 | [
{
"comment_id": "3565781",
"author": "Erika",
"timestamp": "2017-05-13T05:11:55",
"content": "An exceptional way to make tending to certain key plants fun and interactive with a knowledge on its needs. I’d find this invaluable for growing your own food. This’d be great for farmers too.",
"parent... | 1,760,374,832.339871 | ||
https://hackaday.com/2017/05/12/son-of-sonoff/ | Son Of Sonoff | Al Williams | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"blynk",
"ESP8266",
"mqtt",
"sonoff"
] | We’ve covered the Sonoff a few times–a very inexpensive box with an ESP8266, a power supply, and an AC relay along with a way to tap into a power cord. Very inexpensive means $5 or $6. The supplied software will work with several systems (including, recently, Alexa). But what self-respecting hacker wants to run the sto... | 19 | 11 | [
{
"comment_id": "3565652",
"author": "David Lang",
"timestamp": "2017-05-13T02:10:05",
"content": "I actually use pogo pins for programming so I don’t have to solder headers to every board. I’ve goat a couple of setups, one using a 1×4 header with the pins inserted and one with separate wires (not a... | 1,760,374,832.297971 | ||
https://hackaday.com/2017/05/12/cheap-helping-hands-just-add-time/ | Cheap Helping Hands: Just Add Time | Al Williams | [
"Tool Hacks"
] | [
"helping hands",
"soldering",
"third hand",
"vise"
] | We think of helping hands as those little alligator clips on a metal stand. They are cheap and fall over, so we tend to buy them and don’t use them. However, if you are willing to put $35 or $40 into it, you can get the newer kind that have–well–tentacles–on a heavy base. [Archie_slap] didn’t want that kind of investm... | 34 | 17 | [
{
"comment_id": "3564799",
"author": "Lothar",
"timestamp": "2017-05-12T08:12:30",
"content": "Nice one.But, why not just screw those “normal”helping hands to a plate (maybe two)?They are 5€ and come with a magnifier",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,832.120338 | ||
https://hackaday.com/2017/05/11/vintage-plotter-handles-chaos-with-ease/ | Vintage Plotter Handles Chaos With Ease | Dan Maloney | [
"classic hacks"
] | [
"electrostatic",
"H-P 7044A",
"plotter",
"printer",
"servo",
"X-Y. oscillograph"
] | No lab in almost any discipline was complete in the 70s and 80s without an X-Y plotter. The height of data acquisition chic, these simple devices were connected to almost anything that produced an analog output worth saving. Digital data acquisition pushed these devices to the curb, but they’re easily found, cheap, and... | 23 | 11 | [
{
"comment_id": "3564311",
"author": "Ostracus",
"timestamp": "2017-05-12T05:07:58",
"content": "” Anyone hoping for at least a re-capping will be disappointed; H-P built things to last back in the day.”Maybe one should start a “back in the day, things lasted” museum? There should be plenty of exhib... | 1,760,374,832.236862 | ||
https://hackaday.com/2017/05/11/templates-speed-up-arduino-io/ | Templates Speed Up Arduino I/O | Al Williams | [
"News"
] | [] | It is easy to forget, but the Arduino does use C++. Typically, the C++ part is in the libraries and the framework and most people just tend to code their main programs using a C-style just using the library objects like C-language extensions. [Fredllll] recently created
a template library
to speed up Arduino I/O and he... | 25 | 7 | [
{
"comment_id": "3564203",
"author": "Rud Merriam",
"timestamp": "2017-05-12T02:23:18",
"content": "Hi Alconst uint8_t ledPin=1;should beconstexpr uint8_t ledPin=1;Old C programmers never die, they just try to do C++.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,374,832.728503 | ||
https://hackaday.com/2017/05/11/get-into-biohacking-on-the-cheap-with-this-electrophoresis-rig/ | Get Into Biohacking On The Cheap With This Electrophoresis Rig | Dan Maloney | [
"chemistry hacks",
"Slider"
] | [
"agarose",
"biohacking",
"biology",
"buffer",
"digest",
"dna",
"electrophoresis",
"gel",
"tank"
] | If you want to get into electronics, it’s pretty straightforward: read up a little, buy a breadboard and some parts, and go to town. Getting into molecular biology as a hobby, however, presents some challenges. The knowledge is all out there, true, but finding the equipment can be a problem, and what’s out there tends ... | 31 | 8 | [
{
"comment_id": "3564127",
"author": "Martin Rioux",
"timestamp": "2017-05-12T00:26:45",
"content": "Microbiologist studying in EE here (weird right!). Just so you know, it is strictly illegal to make any kind of tests with human material, including yours without permit (which are almost impossible ... | 1,760,374,832.668479 | ||
https://hackaday.com/2017/05/11/translate-color-to-smell-with-bouquet/ | Translate Color To Smell With Bouquet | John Baichtal | [
"Arduino Hacks"
] | [
"arduino",
"niklas roy",
"olfactory",
"scent",
"smell-o-vision"
] | Hope springs eternal for Smell-O-Vision. [Niklas Roy] recently taught a workshop called
Communication Devices
at ÉCAL in Lausanne, Switzerland. Four of his Media & Interaction Design students built a scanner that detects colors and emits a corresponding scent.
The project consists of an Arduino connected to a color sen... | 7 | 5 | [
{
"comment_id": "3563990",
"author": "Hirudinea",
"timestamp": "2017-05-11T21:33:06",
"content": "I shudder to think what they chose for brown and yellow.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3564029",
"author": "notarealemail",
"ti... | 1,760,374,832.777447 | ||
https://hackaday.com/2017/05/11/hackaday-prize-entry-open-source-electrospinning/ | Hackaday Prize Entry: Open Source Electrospinning | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"electrospinning",
"spinning"
] | Electrospinning is the process of dispensing a polymer solution from a nozzle, then applying a very high voltage potential between the nozzle and a collector screen. The result is a very, very fine fiber that is stretched and elongated down to nanometers. Why would anyone want this? These fibers make great filters beca... | 21 | 6 | [
{
"comment_id": "3563976",
"author": "alfcoder",
"timestamp": "2017-05-11T21:18:23",
"content": "i bet it will be itchy as hell, in fact with nano-meter it must be worst than fiberglass :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3564102",
"aut... | 1,760,374,832.836122 | ||
https://hackaday.com/2017/05/11/tearing-down-the-boss-phone/ | Tearing Down The Boss Phone | Alasdair Allan | [
"Cellphone Hacks",
"Featured",
"Teardown"
] | [
"Boss Chair",
"Boss Phone",
"Bunnie Huang",
"cellphone",
"cory doctorow",
"Gongkai",
"Long-CZ J8",
"teardown"
] | Poke around enough on AliExpress, Alibaba, and especially Taobao—the Chinese facing site that’s increasingly being used by Westerners to
find hard to source parts
—and you’ll come across some interesting things. The Long-CZ J8 is one of those, it’s 2.67 inch long and weighs just 0.63 ounces, and it’s built in the form ... | 84 | 28 | [
{
"comment_id": "3563818",
"author": "B",
"timestamp": "2017-05-11T17:22:37",
"content": "In case it’s unclear, ‘beating the boss’ requires hiding the phone in any convenient body cavity. Thus the small, rounded shape.I just hope it’s washable.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,374,833.349776 | ||
https://hackaday.com/2017/05/11/just-in-time-for-summer-a-remote-controlled-snowblower/ | Just In Time For Summer: A Remote Controlled Snowblower | Brian Benchoff | [
"home hacks"
] | [
"remote control",
"snow blower",
"snowblower"
] | It’s May, and you know what that means: we’re winding down from a worldwide celebration of the worker, pollen is everywhere, Hackaday readers in the southern hemisphere are somehow offended, and somewhere, someone is finishing up a remote-controlled snow blower build.
In this nine-part, two-hour-long video series,
[Dav... | 16 | 8 | [
{
"comment_id": "3563742",
"author": "Dirty Engineer",
"timestamp": "2017-05-11T15:36:28",
"content": "I’ve been following this build since the beginning. Glad it got some exposure. It’s an interesting project voyage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,374,832.887818 | ||
https://hackaday.com/2017/05/11/history-of-git/ | History Of Git | Al Williams | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"bitkeeper",
"computing history",
"Git",
"history",
"linus torvalds",
"linux",
"revision control",
"source control",
"version control"
] | Git is one of those tools that is so simple to use, that you often don’t learn a lot of nuance to it. You wind up cloning a repository from the Internet and that’s about it. If you make changes, maybe you track them and if you are really polite you might create a pull request to give back to the project. But there’s a ... | 89 | 23 | [
{
"comment_id": "3563682",
"author": "nsayer",
"timestamp": "2017-05-11T14:28:36",
"content": "https://xkcd.com/1597/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3563700",
"author": "John",
"timestamp": "2017-05-11T14:52:22",
"cont... | 1,760,374,833.218172 | ||
https://hackaday.com/2017/05/11/they-have-electronics-in-junk-mail-now/ | They Have Electronics In Junk Mail Now | Lewin Day | [
"Teardown"
] | [
"advertising",
"embedded computer",
"junk mail"
] | On the way to the mailbox, you might be expecting bills, birthday cards, perhaps a grocery store catalogue or two. [Steve] was like you, once –
until an embedded computer showed up in the junk mail.
The mailer turned out to be from the Arconic corporation – some sort of publication trying to sway a board of directors v... | 50 | 19 | [
{
"comment_id": "3563154",
"author": "Clovis Fritzen",
"timestamp": "2017-05-11T11:22:40",
"content": "I don’t think he got it in his mail by chance. Based on the *supposed* cost of production (very artisanal) I would say that it has been very well target to specific customers like him. Too bad he d... | 1,760,374,832.973564 | ||
https://hackaday.com/2017/05/11/vintage-portable-tv-turned-retro-gaming-system/ | Vintage Portable TV Turned Retro Gaming System | Rich Hawkes | [
"Video Hacks"
] | [
"crt",
"raspberry pi",
"retropie",
"retropie gaming",
"tv",
"tv tuner"
] | When [FinnAndersen] found an old TV set by the side of the road, he did what any self-respecting DIY/gaming enthusiast would do: He took it apart and installed a Raspberry Pi 3 running RetroPie in it in order to
play retro games on a retro TV
!
[Finn] took the CRT out of the TV before realizing that it actually worked.... | 14 | 8 | [
{
"comment_id": "3562783",
"author": "Rodaballo",
"timestamp": "2017-05-11T09:35:37",
"content": "Poor CRT. Considering most old systems counted on the output having interlaced outputs…. the aesthetics of the games were designed with that in mind. Sure, systems like the NES/SNES/etc… can be 100% spe... | 1,760,374,833.398133 | ||
https://hackaday.com/2017/05/10/build-your-own-hydroponic-wheel/ | Build Your Own Hydroponic Wheel | Lewin Day | [
"green hacks"
] | [
"hydroponic",
"hydroponics",
"hydroponics wheel",
"plants",
"salad"
] | Hydroponics is an effective way of growing plants indoors through the use of water medium and artificial lighting. It often involves having a system to raise and lower the water level around the plants to let the roots breathe, however this can require some non-trivial plumbing.
[Peter] wanted to instead explore the re... | 21 | 10 | [
{
"comment_id": "3562512",
"author": "echodelta",
"timestamp": "2017-05-11T06:31:24",
"content": "This might work in space but then the dunk tank won’t. Most plants like our 1G in the same direction 24×7, roots down etc. The Ferris wheel is a good analogy as the passengers want to remain upright. Th... | 1,760,374,833.471665 | ||
https://hackaday.com/2017/05/10/git-shell-bypass-less-is-more/ | Git Shell Bypass, Less Is More | Pedro Umbelino | [
"News",
"Security Hacks"
] | [
"cve-2017-8386",
"Git",
"security"
] | We’ve always been a fans of wargames. Not the movie (well, also the movie) but I’m referring to hacking wargames. There are several formats but usually you have access to an initial shell account somewhere, which is level0, and you have to exploit some flaw in the system to manage to get level1 permissions and so forth... | 4 | 3 | [
{
"comment_id": "3562321",
"author": "ben",
"timestamp": "2017-05-11T04:20:05",
"content": "There’s a LESSSECURE environment variable intended to deal with precisely this sort of issue. (Or you can always use a less featureful pager.)When setting up a restricted account of any sort, you should think... | 1,760,374,833.516154 | ||
https://hackaday.com/2017/05/10/quick-and-dirty-electroshock-gloves/ | Quick And Dirty Shock Gloves | Jack Laidlaw | [
"how-to",
"Wearable Hacks"
] | [
"arc lighter",
"diy",
"electric shock",
"Electroshock",
"how-to",
"shock gloves",
"taser",
"Wearables"
] | [JLaservideo] has created some cool high-voltage gloves and uploaded a video on YouTube showing you how to
get your mitts on a pair of your own.
Using some very simple parts, he manages to make some decent sparks.
At the heart of this project is one of those new-fangled arc lighters which normally use some type of
volt... | 27 | 17 | [
{
"comment_id": "3562119",
"author": "r4m0n",
"timestamp": "2017-05-10T23:38:38",
"content": "Yes, placing the high-voltage generator over your heart is a great idea.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3562131",
"author": "???? ????",
... | 1,760,374,833.673544 | ||
https://hackaday.com/2017/05/10/pool-playing-robot-destined-for-trouble-in-river-city/ | Pool Playing Robot Destined For Trouble In River City | Dan Maloney | [
"Misc Hacks",
"Robots Hacks"
] | [
"billiards",
"game",
"gantry",
"pool",
"robot"
] | You’d think pool should be an easy game for a robot to play, right? It’s all math — geometry to figure out the angles and basic physics to deal with how much force is needed to move the balls. On top of that, it’s constrained to just two dimensions, so it should be a breeze.
Any pool player will tell you there’s much, ... | 15 | 9 | [
{
"comment_id": "3561922",
"author": "TheRegnirps.",
"timestamp": "2017-05-10T20:27:36",
"content": "There has to be a DIY tripod project out there somewhere.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3561965",
"author": "Wyatt Olson",
"... | 1,760,374,833.563464 | ||
https://hackaday.com/2017/05/10/modular-rail-lighting/ | Hackaday Prize Entry: Modular Rail Lighting | James Hobson | [
"LED Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"farm",
"hydroponics",
"ikea",
"lighting",
"modular",
"rail"
] | When operating any kind of hydroponic farming, there are a number of lighting solutions — few of them inexpensive. Originally looking for an alternative to the lighting of IKEA’s expensive hydroponics system, [Professor Fartsparkle] and their colleague prototyped a
rail system that allows clip-on LED boards
for variabl... | 6 | 4 | [
{
"comment_id": "3561858",
"author": "Ren",
"timestamp": "2017-05-10T19:38:31",
"content": "Heat dissipation, my old Datsun had fuse block problems because of heat dissipation. I doubt the fuse clips themselves would make a good heat transfer to the rails.",
"parent_id": null,
"depth": 1,
... | 1,760,374,833.611928 | ||
https://hackaday.com/2017/05/10/designing-for-fab-a-heads-up-before-designing-pcbs-for-professional-assembly/ | Designing For Fab: A Heads-Up Before Designing PCBs For Professional Assembly | Sonya Vasquez | [
"Curated",
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"hackaday 101",
"howto",
"pcb",
"pcb assembly",
"PCB design"
] | Designing pcbs for assembly is easy, right? We just squirt all the footprints onto a board layout, connect all the traces, send out the gerbers and position files, and we’re done–right?
Whoa, hold the phone, there, young rogue! Just like we can hack together some working source code with variables named after our best ... | 55 | 19 | [
{
"comment_id": "3561674",
"author": "CRImier",
"timestamp": "2017-05-10T17:08:16",
"content": "Extremely valuable information.Didn’t notice it mentioned – after some footprint screwups, I now print them out in 1:1 on paper and check this way, really helps check the footprint. As for leaded componen... | 1,760,374,834.707318 | ||
https://hackaday.com/2017/05/10/friday-hack-chat-tenaya-hurst-from-arduino/ | Friday Hack Chat: Tenaya Hurst From Arduino | Mike Szczys | [
"Arduino Hacks",
"Hackaday Columns",
"Wearable Hacks"
] | [
"arduino",
"Hack Chat",
"Tenaya Hurst",
"Wearables"
] | Join us this Friday at noon PDT for
a Hack Chat with Tenaya Hurst of Arduino
. If you’ve been one of the big Maker Faires over the last few years (or innumerable other live events) and stopped by the Arduino area you’ve probably met Tenaya. She is the Education Accounts Manager for Arduino and loves working with wearab... | 7 | 3 | [
{
"comment_id": "3561669",
"author": "Nathan",
"timestamp": "2017-05-10T17:02:07",
"content": "Which Arduino, the Italian one, or the other?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3561683",
"author": "anginere",
"timestamp": "2017-05-... | 1,760,374,833.718299 | ||
https://hackaday.com/2017/05/10/hacking-the-thotcon-0x8-badge/ | Hacking The Thotcon 0x8 Badge | John Baichtal | [
"cons"
] | [
"atmega32u4",
"badge",
"convention",
"neopixel",
"Thotcon"
] | [Kenjo] attended Chicago’s Thotcon this past week and has started
hacking the convention badge
and detailing what he learned. Thotcon’s badge, designed by [Jedha] and programmed by [John Wallis] of
Workshop 88
, is packed with the requisite electronic hardware and cryptic clues. There are four NeoPixel LEDs, three pots... | 12 | 6 | [
{
"comment_id": "3561662",
"author": "starhawk",
"timestamp": "2017-05-10T16:55:44",
"content": "You /sure/ those are pots? They look like rotary encoders to me — but, then, I’m not there.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3561673",
"aut... | 1,760,374,834.340464 | ||
https://hackaday.com/2017/05/10/how-a-hacker-remembers-a-pin/ | How A Hacker Remembers A PIN | Elliot Williams | [
"Featured",
"History",
"Interest",
"Original Art",
"Security Hacks",
"Slider"
] | [
"cypher",
"encryption",
"how to remember a PIN",
"modulo",
"one time pad",
"OTP",
"remember your PIN number"
] | If you have more than a few bank cards, door-entry keycodes, or other small numeric passwords to remember, it eventually gets to be a hassle. The worst, for me, is a bank card for a business account that I use once in a blue moon. I probably used it eight times in five years, and then they gave me a new card with a new... | 98 | 35 | [
{
"comment_id": "3561534",
"author": "ScienceGuy3",
"timestamp": "2017-05-10T14:24:41",
"content": "Wow, now this is a cool post. Great explanation; I can actually see myself using this. OTPs have always fascinated me, but their limitations always made them unusable for my own circumstances. Fina... | 1,760,374,834.296404 | ||
https://hackaday.com/2017/05/10/measuring-walking-speed-wirelessly/ | Measuring Walking Speed Wirelessly | Lewin Day | [
"Medical Hacks"
] | [
"CSAIL",
"gait",
"medical",
"walking",
"walking pace",
"walking speed"
] | There are a lot of ways to try to mathematically quantify how healthy a person is. Things like resting pulse rate, blood pressure, and blood oxygenation are all quite simple to measure and can be used to predict various clinical outcomes. However, one you may not have considered is gait velocity, or the speed at which ... | 9 | 1 | [
{
"comment_id": "3561337",
"author": "anginere",
"timestamp": "2017-05-10T11:46:38",
"content": "Lewin Day, could you at least check if an article hasn´t been published before on HaD ?ONLY FOUR DAYS AGO: Maloney published this same article:http://hackaday.com/2017/05/06/measuring-gait-speed-passivel... | 1,760,374,834.154235 | ||
https://hackaday.com/2017/05/10/led-tail-lights-for-improved-motorcycle-visibility/ | LED Tail Lights For Improved Motorcycle Visibility | Lewin Day | [
"Transportation Hacks"
] | [
"attiny",
"brake light",
"brakelight",
"led",
"motorbike",
"motorcycle",
"pca9952",
"tail light",
"taillight"
] | Motorcycles are hard to see at the best of times, so riders are often concerned with making themselves as visible as possible at all times. [Josh] wanted to do this by
creating a custom tail light for his Ducati 749
.
The tail light is based around SMD LEDs, mounted in acrylic to diffuse the light. The construction is ... | 32 | 10 | [
{
"comment_id": "3561141",
"author": "notarealemail",
"timestamp": "2017-05-10T08:21:58",
"content": "Not sure now, but some time ago blinking lights were considered illegal in the USA. But some automakers still used them with no apparent legal difficulties.",
"parent_id": null,
"depth": 1,
... | 1,760,374,834.109153 | ||
https://hackaday.com/2017/05/09/3d-printed-tiger-lopes-with-the-help-of-a-motor/ | 3D-Printed Tiger Lopes With The Help Of A Motor | John Baichtal | [
"3d Printer hacks"
] | [
"3DP",
"mechanism",
"saber-toothed tiger"
] | [Greg Zumwalt], master of 3D-printed mechanisms, has published his
Saber 2 project
as well as an
assembly Instructable
telling you how to put it together.
Saber 2 is a 3D-printed gear-and-cam saber-toothed tiger that can be motorized to show an excellent loping movement. It’s 14” long and 10” tall and consists of 108 c... | 9 | 5 | [
{
"comment_id": "3561060",
"author": "Senji",
"timestamp": "2017-05-10T05:38:23",
"content": "If this was made into a “dinosaur” it would be very nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3561101",
"author": "Jan",
"timestamp": "2017-05-10T0... | 1,760,374,834.501867 | ||
https://hackaday.com/2017/05/09/monoprice-select-mini-gets-smooth/ | Monoprice Select Mini Gets Smooth | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"Monoprice MP Select Mini",
"MP Select Mini",
"smoothieboard"
] | We’ve had a love affair with the Monoprice Select Mini since it came out. The cheap printer has its flaws, though. One of them is that the controller is a bit opaque. On the one hand, it is impressive that it is a 32-bit board with an LCD. On the other hand, we have no way to modify it easily other than loading the rea... | 19 | 7 | [
{
"comment_id": "3561023",
"author": "notarealemail",
"timestamp": "2017-05-10T04:15:43",
"content": "These titles! I was expecting it to spray acetone at the print or something.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3561129",
"author": "kal... | 1,760,374,834.608037 | ||
https://hackaday.com/2017/05/09/precision-pressure-in-a-piston/ | Precision Pressure In A Piston | Brian Benchoff | [
"Misc Hacks",
"Parts"
] | [
"atmega328",
"ms5611",
"pressure sensor",
"sensor",
"syringe"
] | [Scott] is building a DIY yeast reactor for his aquarium. What’s a yeast reactor? [Scott] wants to pump carbon dioxide into his aquarium so his aquatic plants grow more. He’s doing this with a gallon of sugary, yeasty water bubbling into a tank of plants and fish. In other words, [Scott] is doing this whole thing compl... | 26 | 9 | [
{
"comment_id": "3560805",
"author": "electrobob",
"timestamp": "2017-05-09T23:05:47",
"content": "Very good project…but in my discussions with people designing MEMS pressure sensors I have learned that the membrane is quite sensitive to the gas pushing on it. So the pressure indicated may or may no... | 1,760,374,834.771761 | ||
https://hackaday.com/2017/05/09/keep-the-burglars-away-with-some-pi/ | Keep The Burglars Away With Some Pi | Jamie Navarro | [
"home hacks",
"Raspberry Pi"
] | [
"alarm",
"burglar alarm",
"home security",
"home-assistant",
"raspberry pi",
"security"
] | Ten years ago, we never imagined we would be able to ward off burglars with Pi. However, that is exactly what [Nick] is doing with his
Raspberry Pi home security system
.
We like how, instead of using a standard siren, [Nick] utilized his existing stereo system to play a custom audio file that he created. (Oh the possi... | 32 | 7 | [
{
"comment_id": "3560608",
"author": "Nitori",
"timestamp": "2017-05-09T20:15:55",
"content": "Actually it would have been possible to do this 20 years ago though it would have required a PC vs a credit card sized embedded board.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,834.84036 | ||
https://hackaday.com/2017/05/09/hackaday-prize-entry-coaxial-drones/ | Hackaday Prize Entry: Coaxial Drones | Brian Benchoff | [
"drone hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"coaxial",
"drone"
] | [Glytch] has been building drones since before they were called drones. Instead of submitting his time machine into the Hackaday Prize, he’s throwing his pocket sized,
3D printable coaxial drone into the ring
.
His focus is on designing small and very portable drones, preferably one that has folding arms and can fit in... | 14 | 6 | [
{
"comment_id": "3560587",
"author": "Ubermensch",
"timestamp": "2017-05-09T19:53:15",
"content": "But, Ascent Aerosystem’s Sprite has already done this…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3560655",
"author": "Glytch:EternalChaos (@Glytch... | 1,760,374,834.552879 | ||
https://hackaday.com/2017/05/09/obd-speed-pulse-part-2-behold-the-ice/ | Building An OBD Speed Pulse: Behold The ICE | Bil Herd | [
"Arduino Hacks",
"Hackaday Columns",
"Microcontrollers",
"Skills",
"Slider"
] | [
"assembler",
"atmega",
"AVR",
"AVR Studio",
"bil herd",
"can-bus",
"ice",
"In-Circuit-Emulator",
"OBDII",
"timer"
] | I am a crappy software coder when it comes down to it. I didn’t pay attention when everything went object oriented and my roots were always assembly language and Real Time Operating Systems (RTOS) anyways.
So it only natural that I would reach for a true In-Circuit-Emulator (ICE) to finish of my little OBDII bus to spe... | 37 | 7 | [
{
"comment_id": "3560462",
"author": "Miroslav",
"timestamp": "2017-05-09T17:42:37",
"content": "You are not alone. I sometimes think that OO programming was invented by software profs just to confuse people, and to create a dark art out of a priori fairly easy subject :) I for one will stay with th... | 1,760,374,834.924666 | ||
https://hackaday.com/2017/05/08/hackaday-prize-entry-secure-storage-on-sd-cards/ | Hackaday Prize Entry: Secure Storage On SD Cards | Brian Benchoff | [
"Security Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"crypto",
"sd card",
"security"
] | Here’s a puzzler for you: how do you securely send data from one airgapped computer to another? Sending it over a network is right out, because that’s the entire point of an airgap. A sneakernet is inherently insecure, and you shouldn’t overestimate the security of a station wagon filled with tapes. For his Hackaday Pr... | 109 | 14 | [
{
"comment_id": "3558125",
"author": "???? ????",
"timestamp": "2017-05-08T21:07:35",
"content": "Nope the idea is naive as both cards can be intercepted. There are better ways of doing this that are far more secure, assuming the device itself was not interfered with during it’s original transit, an... | 1,760,374,835.18695 | ||
https://hackaday.com/2017/05/08/the-sha2017-badge-revealed/ | The SHA2017 Badge Revealed | Jenny List | [
"cons",
"News"
] | [
"badge",
"badge hacking",
"badges",
"sha2017"
] | It’s that excellent time of year in which one slowly comes to the realisation that the summer’s eagerly anticipated events are now no longer at some impossibly distant point in the future, but in fact only a matter of a few months or even weeks away. For our European readers, this means that August’s SHA2017 hacker cam... | 19 | 6 | [
{
"comment_id": "3557873",
"author": "niun",
"timestamp": "2017-05-08T19:47:39",
"content": "Looks very cool. Where do you get these e-paper displays?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3557912",
"author": "Sebastius",
"timestamp"... | 1,760,374,834.980466 | ||
https://hackaday.com/2017/05/08/make-munich-was-awesome/ | Make Munich Was Awesome | Elliot Williams | [
"cons"
] | [
"crazy",
"diy",
"fair",
"hackerspaces",
"hebocon",
"make munich",
"makerspaces",
"robots"
] | It was a good weekend to be geeky in Bavaria. In addition to our own
Hackaday Prize Bring-a-Hack party
, there was the reason that we scheduled it in the first place, Munich’s independent DIY expo,
Make Munich
.
If you’re a loyal Hackaday reader, many of the projects would seem uncannily familiar. I walked in and was g... | 8 | 6 | [
{
"comment_id": "3557619",
"author": "KC8KVA",
"timestamp": "2017-05-08T18:37:25",
"content": "So much awesomeness! Would have loved to have seen the amazing feats and successes of the hackers over there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3559129... | 1,760,374,835.037837 | ||
https://hackaday.com/2017/05/08/the-dangers-of-engineering-while-unlicensed/ | The Dangers Of Engineering While Unlicensed | Dan Maloney | [
"Hackaday Columns",
"Interest",
"News",
"Slider"
] | [] | Citizen engineers, beware the Beaver State. If you want to discuss engineering in a public setting, you’d better have a license. If you don’t, you could end up like Oregon resident Mats Järlström — paying a $500 fine and being threatened with even larger civil penalties and jail time.
The story
of how Järlström became ... | 243 | 50 | [
{
"comment_id": "3557463",
"author": "not a space lizard",
"timestamp": "2017-05-08T17:08:31",
"content": "The hacker news comments on this story pointed out where he called himself an engineer, repeatedly, in violation of the law. It wasn’t about the technical complaint.https://news.ycombinator.com... | 1,760,374,836.174415 | ||
https://hackaday.com/2017/05/08/these-twenty-designs-just-won-1000-in-the-hackaday-prize/ | These Twenty Designs Just Won $1000 In The Hackaday Prize | Brian Benchoff | [
"Slider",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Design Your Concept",
"Internet of Useful Things"
] | Today we’re excited to announce the winners of the
Design Your Concept
phase of
The Hackaday Prize
. These projects just won $1000 USD, and will move on to the final round this fall.
Hackaday is currently hosting the greatest hardware competition on Earth. We’re giving away thousands of dollars to hardware creators to ... | 35 | 9 | [
{
"comment_id": "3557428",
"author": "Rodrigo Piol",
"timestamp": "2017-05-08T16:29:17",
"content": "Correct me if I am wrong, but almost 80% of these entry does not have the minimum requirement.Fromhttps://hackaday.io/prize/details#one:5. Link to any repositories (e.g., Github)6. Document all open-... | 1,760,374,835.910993 | ||
https://hackaday.com/2017/05/08/a-queen-mystery-the-legend-of-the-deacy-amp/ | A Queen Mystery: The Legend Of The Deacy Amp | Adam Fabio | [
"Featured",
"History",
"Musical Hacks",
"Original Art",
"Slider"
] | [
"amplifier",
"Brian May",
"history",
"John Deacon",
"queen"
] | It sounds like a scene from a movie. A dark night in London, 1972. A young man walks alone, heading home after a long night of practicing with his band. His heavy Fender bass slung over his back, he’s weary but excited about the future. As he passes a skip (dumpster for the Americans out there), a splash of color catch... | 56 | 23 | [
{
"comment_id": "3557329",
"author": "joelfinkle",
"timestamp": "2017-05-08T14:17:25",
"content": "Cool story, thanks. As a budding guitar player (acoustic for now), this is fascinating reading.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3557334",
"aut... | 1,760,374,835.835713 | ||
https://hackaday.com/2017/05/08/powerful-professional-brushless-motor-from-3d-printed-parts/ | Powerful, Professional Brushless Motor From 3D-Printed Parts | Dan Maloney | [
"hardware",
"Misc Hacks"
] | [
"BLDC",
"Brushless DC electric motor",
"halbach",
"magnetic PLA",
"mPLA",
"neodymium",
"PETG"
] | Not satisfied with the specs of off-the-shelf brushless DC motors? Looking to up the difficulty level on your next quadcopter build? Or perhaps you just define “DIY” as rigorously as possible? If any of those are true, you might want to check out
this hand-wound, 3D-printed brushless DC motor
.
There might be another r... | 23 | 9 | [
{
"comment_id": "3557275",
"author": "Ostracus",
"timestamp": "2017-05-08T12:54:41",
"content": "That’s the nice thing about cheap 3D printers. They’ve opened up the educational field for people. Learning by doing is one of the best ways.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,835.633908 | ||
https://hackaday.com/2017/05/09/a-full-stack-gps-receiver/ | A Full Stack GPS Receiver | Brian Benchoff | [
"FPGA",
"Radio Hacks"
] | [
"fpga",
"gps",
"GPS receiver",
"GPS SDR",
"sdr"
] | The usual way of adding GPS capabilities to a project is grabbing an off-the-shelf GPS module, plugging it into a UART, and reading the stream of NMEA sentences coming out of a serial port. Depending on how much you spend on a GPS module, this is fine: the best modules out there start up quickly, and a lot of them reco... | 70 | 13 | [
{
"comment_id": "3560300",
"author": "Haxxx",
"timestamp": "2017-05-09T15:34:57",
"content": "“On the Gits.” What?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3560442",
"author": "Josh",
"timestamp": "2017-05-09T17:20:52",
"content... | 1,760,374,835.578243 | ||
https://hackaday.com/2017/05/09/number-twitters/ | Number Twitters | Brian Benchoff | [
"Featured",
"Interest",
"Original Art"
] | [
"cryptography",
"mi6",
"number stations",
"spy",
"The Lincolnshire Poacher",
"twitter"
] | Grab a shortwave radio, go up on your roof at night, turn on the radio, and if the ionosphere is
just
right, you’ll be able to tune into some very, very strange radio stations. Some of these stations are just a voice — usually a woman’s voice — simply counting. Some are Morse code. All of them are completely unintellig... | 47 | 21 | [
{
"comment_id": "3560202",
"author": "Benchoff Fan Club",
"timestamp": "2017-05-09T14:21:04",
"content": "If you decode the numbers in the pic with the blue bird you will get a private web page with Brian Benchoff’s vacation photos.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,838.597648 | ||
https://hackaday.com/2017/05/09/learn-advanced-pcb-design-for-200-worth-it/ | Learn Advanced PCB Design For $200–Worth It? | Al Williams | [
"Tool Hacks"
] | [
"altium",
"fedevel academy",
"pcb",
"pcb layout",
"printed circuit boards"
] | [Helentronica] has been using Altium Designer to lay out PC boards since he was a student. Now as a freelancer, he felt like he didn’t quite know all that he wanted to know. Keep in mind he’d done multilayer boards with BGAs and LVDS routing, so he was no neophyte. He decided to spend about $200 on
an advanced course f... | 50 | 14 | [
{
"comment_id": "3559793",
"author": "Clovis Fritzen",
"timestamp": "2017-05-09T11:50:27",
"content": "Every bit and piece of new knoledge is worth a shot!. Good job on Fedevel for pricing the right content at the right price.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,374,838.399249 | ||
https://hackaday.com/2017/05/09/diy-tiny-single-pcb-synthesizer/ | DIY Tiny Single-PCB Synthesizer | Elliot Williams | [
"Musical Hacks"
] | [
"arduino",
"AVR",
"capacitance keyboard",
"music",
"synth"
] | [Jan Ostman] has been pushing the limits of sound synthesis on the lowly AVR ATMega microcontrollers, and his latest two project is so cute that we just had to write it up. The
miniTS
shares the same basic sound-generation firmware with his previous TinyTS, which we’ve
covered here before
, but adds a lot more keys, an... | 20 | 8 | [
{
"comment_id": "3559384",
"author": "Spaxeman",
"timestamp": "2017-05-09T08:54:29",
"content": "No video?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3559717",
"author": "mong",
"timestamp": "2017-05-09T11:11:26",
"content": "Janost is unreliab... | 1,760,374,837.935837 | ||
https://hackaday.com/2017/05/08/a-remotely-tuned-magnetic-loop-antenna/ | A Remotely Tuned Magnetic Loop Antenna | Jenny List | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"magnetic loop",
"magnetic loop antenna",
"radio"
] | If you are a radio amateur, you may be familiar with the magnetic loop antenna. It’s different from most conventional wire antennas, taking the form of a tuned circuit with a very large single-turn coil and a tuning capacitor. Magnetic loops have the advantage of extreme selectivity and good directionality, but the dan... | 41 | 14 | [
{
"comment_id": "3559036",
"author": "???? ????",
"timestamp": "2017-05-09T05:25:12",
"content": "You could have the variable capacitor and the motor separated by a long plastic shaft if interference was an issue?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,838.100308 | ||
https://hackaday.com/2017/05/08/conflict-escalates-between-brilliant-rat-and-555-timer/ | Conflict Escalates Between Brilliant Rat And 555 Timer | Sean Boyce | [
"home hacks",
"Raspberry Pi"
] | [
"555 timer",
"ir camera",
"mousetrap",
"Raspberry Pi Zero"
] | After [Casey Connor] captured and relocated a number of unwanted rodents in his home using commercially available live traps, he was presented with a problem: a rat had learned to avoid them.
In an epic, and adorable, conflict caught on video
(and embedded below), he documents the designs used and how the rat escaped... | 64 | 21 | [
{
"comment_id": "3558877",
"author": "spiritplumber",
"timestamp": "2017-05-09T02:05:38",
"content": "Awesome, this was like watching one of those old timey cartoons!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3558889",
"author": "localroger",
"tim... | 1,760,374,838.206216 | ||
https://hackaday.com/2017/05/08/cooking-with-the-awesome-power-of-plasma/ | Cooking With The Awesome Power Of Plasma! | Jenny List | [
"cooking hacks"
] | [
"cooking",
"plasma",
"plasma cooking",
"spark"
] | There is something special about food that has been cooked in a grill, barbecue, or broiler. The charred surface brings both flavour and texture to the food, that other cooking methods fail to emulate. Of course, should you come from a part of the world in which the locals steam their hamburgers those are fighting word... | 23 | 13 | [
{
"comment_id": "3558376",
"author": "notarealemail",
"timestamp": "2017-05-08T22:16:05",
"content": "Well, now I’m hungry!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3559873",
"author": "CRJEEA",
"timestamp": "2017-05-09T12:23:22",
... | 1,760,374,838.453796 | ||
https://hackaday.com/2017/05/06/hackaday-prize-bring-a-hack-munich-was-great/ | Hackaday Prize Bring-a-Hack Munich Was Great | Elliot Williams | [
"cons"
] | [
"2017 Hackaday Prize",
"Bring A Hack",
"BringAHack",
"ccc",
"Hackaday Meetup",
"meetups",
"munich"
] | Thanks to everyone who came to the Hackaday Prize Make Munich Meetup and Bring-a-Hack last night! We had a great time, and there were a bunch of cool projects on display, some of which we even got pictures of. Frankly, we were enjoying chatting too much to be peering through a camera lens.
Around 30 people made it over... | 9 | 2 | [
{
"comment_id": "3555301",
"author": "Mike Szczys",
"timestamp": "2017-05-06T17:22:54",
"content": "Would love to know more about the PDP-8/FPGA build. Anyone know if there’s a project page for this somewhere?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3... | 1,760,374,838.509369 | ||
https://hackaday.com/2017/05/06/coreir-for-drone-racing/ | DIY Lap Counters For Drone Racing | Inderpreet Singh | [
"Arduino Hacks",
"drone hacks"
] | [
"CoreIR",
"diy",
"drone",
"iLap",
"ir receiver",
"IR transmitter"
] | Drone racing is a very exciting sport, in which there is a lot of room for hackers and makers to add that special sauce into the mix. Usually the aerial finish line requires special race-timing hardware to do the lap counting, and there are timing gate transponders available for around $40. In his project CoreIR and Co... | 5 | 2 | [
{
"comment_id": "3555111",
"author": "Dave Davidson",
"timestamp": "2017-05-06T14:59:18",
"content": "Why not use a Camera and Some QR CODES",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3555171",
"author": "s7726",
"timestamp": "2017-05-06T... | 1,760,374,838.022332 | ||
https://hackaday.com/2017/05/06/measuring-gait-speed-passively-to-diagnose-diseases/ | Measuring Gait Speed Passively To Diagnose Diseases | Dan Maloney | [
"Medical Hacks"
] | [
"gait",
"microwave",
"motion analysis",
"Parkinson's disease",
"RF",
"speed",
"velocity"
] | You may not realize it, but how fast a person walks is an important indicator of overall health. We all instinctively know that we lag noticeably when a cold or the flu hits, but monitoring gait speed can help diagnose a plethora of chronic diseases and conditions. Wearables like Fitbit would be one way to monitor gait... | 5 | 5 | [
{
"comment_id": "3555045",
"author": "Dave Davidson",
"timestamp": "2017-05-06T13:18:20",
"content": "Those shopping center stoppers need to have their heads read, Oh look Donald a Ceiling Thanks glory I never knew they had ceilings inside…WHY DO THEY STOP WHY !!!!",
"parent_id": null,
"dep... | 1,760,374,837.878367 | ||
https://hackaday.com/2017/05/06/ad-hoc-midi-to-music-box-project-shows-power-of-hacker-community/ | Ad Hoc MIDI To Music Box Project Shows Power Of Hacker Community | Dan Maloney | [
"Musical Hacks"
] | [
"community",
"crowd source",
"github",
"laser cutter",
"Music box",
"paper tape",
"vinyl cutter"
] | Fair warning: when you post a video of you doing an incredibly tedious process like manually punching holes in a paper tape to transfer a MIDI file to a music box, don’t be surprised when
a bunch of hackers automates the process
in less than a week.
The back story on this should be familiar to even casual Hackaday read... | 9 | 6 | [
{
"comment_id": "3554988",
"author": "Dougmsbbs",
"timestamp": "2017-05-06T11:10:16",
"content": "WTG guys! Hats off to all of you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3555084",
"author": "Oliver",
"timestamp": "2017-05-06T14:26:57",
"co... | 1,760,374,837.981061 | ||
https://hackaday.com/2017/05/05/converting-parallel-port-cncs-to-usb/ | Converting Parallel Port CNCs To USB | Brian Benchoff | [
"cnc hacks"
] | [
"cnc",
"parallel port",
"Sherline"
] | If you’re looking for a small, benchtop CNC machine for PCBs and light milling the ubiquitous Sherline CNC machine is a good choice. There’s a problem with it, though: normally, the Sherline CNC controller runs off the parallel port. While some of us still have a Windows 98 battlestation sitting around, [David] doesn’t... | 45 | 19 | [
{
"comment_id": "3554762",
"author": "OLD_HACK",
"timestamp": "2017-05-06T05:48:52",
"content": "The older mills and driver boards are meant for a real time MSDOS control loop.LPT was the last low-level peripheral on PC accessible to the OS, and is still used by EMC/LinuxCNC RT kernel.This simple dr... | 1,760,374,838.79783 | ||
https://hackaday.com/2017/05/05/darpa-plans-to-begin-hacking-human-brains/ | DARPA Plans To Begin Hacking Human Brains | Jack Laidlaw | [
"Medical Hacks",
"News"
] | [
"bio engineering",
"bio hack",
"Bio hacking",
"brain hacks",
"brainwaves",
"darpa",
"learning",
"nervous system"
] | So [DARPA] wants to start
hacking human brains
, With the help of the biomedical device center at the university of Texas in Dallas. This does sound a bit crazy but
DARPA does crazy
. Conspiracy theorists are going to have a field day with this one.
The initial plans to turn us all into mindless zombies seem to be shel... | 26 | 10 | [
{
"comment_id": "3554534",
"author": "DainBramage",
"timestamp": "2017-05-06T02:24:27",
"content": "It’s amazing how willing they are to mess with a system that no one properly understands.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3554538",
"au... | 1,760,374,838.706076 | ||
https://hackaday.com/2017/05/05/a-smart-table-for-gamers/ | A Smart Table For Gamers | James Hobson | [
"home entertainment hacks",
"LED Hacks"
] | [
"bluetooth",
"c2000",
"game",
"led",
"RN-42",
"smart",
"table",
"ws2812"
] | When makers take to designing furniture for their own home, the results are spectacular. For their senior design project, [Phillip Murphy] and his teammates set about
building a smart table from the ground up
. Oh, and you can also use it to play games, demonstrated in the video below.
The table uses 512 WS2812 pixels ... | 9 | 5 | [
{
"comment_id": "3554418",
"author": "Mojoe",
"timestamp": "2017-05-05T23:48:06",
"content": "Nice work guys, looks great!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3554595",
"author": "notarealemail",
"timestamp": "2017-05-06T04:14:59",
"cont... | 1,760,374,838.645331 | ||
https://hackaday.com/2017/05/08/a-digital-tacho-for-a-harley/ | A Digital Tacho For A Harley | Jenny List | [
"Transportation Hacks"
] | [
"Chopper",
"Harley",
"Harley-Davidson",
"motorcycle",
"rev counter",
"tacho"
] | If you are a lover of motorcycling, you’ll probably fit into one or other of the distinct groups of riders. Maybe you’re a sportsbike lover always trying to get your knee down, a supermotard who gets their knee down without trying, a trailie rider for whom tarmac is an annoyance between real rides, or a classic bike en... | 35 | 17 | [
{
"comment_id": "3557119",
"author": "0xfred",
"timestamp": "2017-05-08T08:59:46",
"content": "“today’s Harley is a very modern machine, and much more capable than the sneering sportsbiker would give it credit for.…..The Sportster’s data bus follows an established but obsolete standard, SAE J1850 VP... | 1,760,374,839.167794 | ||
https://hackaday.com/2017/05/07/look-ma-no-gyros-a-self-balancing-mechanical-velociraptor/ | “Look Ma, No Gyros!”: A Self-Balancing Mechanical Velociraptor | Dan Maloney | [
"Robots Hacks"
] | [
"bipedal",
"gait",
"locomotion",
"resilience",
"running",
"torsion"
] | You’ve got to walk before you can run, right? Perhaps not, if
this bipedal dino-like running robot
is any indication.
Officially dubbed a “Planar Elliptical Runner,” the bot is a test platform for bipedal locomotion from the Institute for Human and Machine Cognition. Taking inspiration from the gait of an ostrich — we ... | 22 | 11 | [
{
"comment_id": "3556916",
"author": "Dave Davidson",
"timestamp": "2017-05-08T05:19:02",
"content": "https://www.youtube.com/watch?v=o8T095mFdW8",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3556932",
"author": "notarealemail",
"timestamp":... | 1,760,374,839.535965 | ||
https://hackaday.com/2017/05/07/anatomically-correct-plotter-avoids-back-scratch-fever/ | Anatomically Correct Plotter Avoids Back Scratch Fever | Dan Maloney | [
"Misc Hacks"
] | [
"arduino",
"back scratcher",
"plotter",
"uno"
] | Everybody needs somebody sometimes, even if it’s just for when your back itches. But directing your itchy interlocutor to the correct spot can be a spatial relations challenge: “Right in the middle… no, down a bit… left… no, the other left! Harder! Wait, not that hard!” Why bother with all that messy interpersonal comm... | 15 | 6 | [
{
"comment_id": "3556891",
"author": "MikeInMKE",
"timestamp": "2017-05-08T04:43:49",
"content": "Paging Howard Wolowitz to the white courtesy phone.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3556897",
"author": "notarealemail",
"timesta... | 1,760,374,839.284677 | ||
https://hackaday.com/2017/05/07/hackaday-links-may-7-2017/ | Hackaday Links: May 7, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"kickstarter",
"speccy",
"Tiddlywinks",
"z80",
"ZX Spectrum"
] | The International Journal of
PoC||GTFO
is the hacker quarterly we all deserve. It’s Pastor Manul Laphroaig’s publication featuring crazy exploits and builds and neat woodcut illustrations.
It’s going to be a freakin’ dead tree book
published by No Starch Press. The word on the street is this is a literal bible. No, rea... | 19 | 6 | [
{
"comment_id": "3556693",
"author": "Piecutter",
"timestamp": "2017-05-07T23:14:10",
"content": "Tiddlywinks? Really? Were you not allowed cheap, dime store games when you were a kid?https://en.wikipedia.org/wiki/TiddlywinksPerhaps you mean this?https://en.wikipedia.org/wiki/Knife_game",
"paren... | 1,760,374,839.403736 | ||
https://hackaday.com/2017/05/07/hackaday-prize-entry-reprap-helios/ | Hackaday Prize Entry: RepRap Helios | Brian Benchoff | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"reprap"
] | Did you know that most of the current advances in desktop consumer 3D printing can be traced back to a rather unknown project started in 2005? This little-known
RepRap project
was dedicated to building Open Source hardware that was self-replicating by design. Before the great mindless consumerization of 3D printing beg... | 30 | 14 | [
{
"comment_id": "3556619",
"author": "John",
"timestamp": "2017-05-07T20:42:35",
"content": "I want one of these more than anything else ever on HAD. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3556637",
"author": "Gene",
"timestamp": "2017-05-07... | 1,760,374,839.474418 | ||
https://hackaday.com/2017/05/07/the-internet-connected-dog-treat-machine/ | The Internet Connected Dog Treat Machine | Jenny List | [
"home hacks"
] | [
"alexa",
"animal",
"animal feeder",
"dog",
"dog feeder",
"dog treat feeder",
"mqtt",
"raspberry pi"
] | [Eric] and [Shirin] have a dog called [Pickles], who is the kind of animal that if you are a dog lover you will secretly covet. They evidently dote upon [Pickles], but face the problem that they can’t always be at home to express their appreciation of him. But rather than abandon him entirely, they’ve applied technolog... | 5 | 4 | [
{
"comment_id": "3556356",
"author": "alfcoder",
"timestamp": "2017-05-07T17:37:23",
"content": "cute dog :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3556857",
"author": "Foobarlabs",
"timestamp": "2017-05-08T03:51:07",
"content... | 1,760,374,839.224978 | ||
https://hackaday.com/2017/05/07/sorting-two-tonnes-of-lego/ | Sorting Two Tonnes Of Lego | Jenny List | [
"Toy Hacks"
] | [
"lego",
"lego sorter",
"machine vision",
"neural net"
] | Have you ever taken an interest in something, and then found it’s got a little out of hand as your acquisitions spiral into a tidal wave of bags and boxes? [Jacques Mattheij] found himself in just that position with Lego. His online purchases had run away with him, and he had a garage packed with “two metric tonnes” of... | 28 | 9 | [
{
"comment_id": "3556165",
"author": "Thinkerer",
"timestamp": "2017-05-07T14:46:36",
"content": "Nicely done!! This is how many things in the food industry from blueberries to potatoes are sorted as well as small machine parts.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,839.350596 | ||
https://hackaday.com/2017/05/05/4-led-octal-clock-demands-colorful-math/ | 4-LED Octal Clock Demands Colorful Math | John Baichtal | [
"clock hacks"
] | [
"atmega64",
"base-8",
"LED clock",
"octal"
] | We’ve all seen LED clocks where RGB LEDs are used to display time. It seems like the simpler the interface, the more likely you’d need to do math to figure out the time. This
Octal Clock
by [Alex Kurrasch] proves the point by using only four LEDs: the top two show hours and minutes, and the bottom two LEDs are multipli... | 12 | 6 | [
{
"comment_id": "3554246",
"author": "dahud",
"timestamp": "2017-05-05T20:28:03",
"content": "I really do have to question the use of a CPLD to drive the LEDs. He does note that discrete CMOS chips could be used instead, but how he arrived at a CPLD before thinking of a simple shift register escapes... | 1,760,374,839.852698 | ||
https://hackaday.com/2017/05/05/hackaday-prize-entry-electro-magnetic-enabled-bagpipes/ | Hackaday Prize Entry: Electro-Magnetic Enabled Bagpipes | Rich Hawkes | [
"Musical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"bagpipes",
"electrified",
"irish uilleann pipes",
"music"
] | Bagpipes are an instrument at least a millennia old, the most popular of which, in modern times, is the Great Highland bagpipe. There are other types of bagpipes, some of which have a bellows rather than requiring the player to manually inflate the bag by breathing into it. The advantage of the bellows is that it deliv... | 11 | 6 | [
{
"comment_id": "3554218",
"author": "jmramee",
"timestamp": "2017-05-05T19:39:44",
"content": "Sculptures featuring bagpipes have been found that date back to 1000 B.C. (about 3000 years ago) so saying at least a millennia isn’t wrong. Frankly, they could have said at least two.",
"parent_id": ... | 1,760,374,839.796793 | ||
https://hackaday.com/2017/05/05/learn-by-fixing-another-verilog-cpu/ | Learn By Fixing: Another Verilog CPU | Al Williams | [
"FPGA",
"Hackaday Columns",
"Skills"
] | [
"cpu",
"eda",
"eda playground",
"edaplayground",
"fpga",
"risc",
"verilog"
] | Because I often work with students, I’m always on the look-out for a simple CPU, preferably in Verilog, in the Goldilocks zone. That is, not too easy and not too hard. I had high hopes for
this 16-bit RISC processor
presented by [fpga4student], but without some extra work, it probably isn’t usable for its intended purp... | 17 | 5 | [
{
"comment_id": "3554171",
"author": "Artenz",
"timestamp": "2017-05-05T18:36:22",
"content": "“For one thing, there’s a for loop in the initial block to zero the registers. Most synthesis tools would just throw that away. You’d be better off with a reset signal”Modern synthesis tools for FPGAs have... | 1,760,374,839.742794 | ||
https://hackaday.com/2017/05/05/game-characters-move-better-with-neural-networks/ | Neural Networks Walk Better Than Humans For Game Animation | Inderpreet Singh | [
"computer hacks"
] | [
"3d graphics",
"ai",
"animation",
"artificial intelligence",
"computer graphics",
"neural networks",
"video game animation",
"videogames"
] | Modern day video games have come a long way from Mario the plumber hopping across the screen. Incredibly intricate environments of games today are part of the lure for new gamers and this experience is brought to life by the characters interacting with the scene. However the illusion of the virtual world is disrupted b... | 40 | 12 | [
{
"comment_id": "3554009",
"author": "sgijip",
"timestamp": "2017-05-05T15:49:41",
"content": "You dont need neural networks and fancy animations to make an epic game. Minecraft is blocky and simple but it’s better than any other AAA game like GTA, BF, COD, Half Life 2 or Postal 2",
"parent_id":... | 1,760,374,839.937605 | ||
https://hackaday.com/2017/05/05/using-modern-c-techniques-with-arduino/ | Using Modern C++ Techniques With Arduino | Rich Hawkes | [
"Hackaday Columns",
"Microcontrollers",
"Slider"
] | [
"c++",
"C++11",
"microcontroller",
"programming"
] | C++ has been quickly modernizing itself over the last few years. Starting with the introduction of C++11, the language has made a huge step forward and things have changed under the hood. To the average Arduino user, some of this is irrelevant, maybe most of it, but the language still gives us some nice features that w... | 99 | 20 | [
{
"comment_id": "3553928",
"author": "jcwren",
"timestamp": "2017-05-05T14:13:08",
"content": "Before they worry about incorporating language improvements, they ought to worry about improving the “IDE” (such as it is).",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,840.31316 | ||
https://hackaday.com/2017/05/05/the-science-behind-boost-converters/ | The Science Behind Boost Converters | Jack Laidlaw | [
"how-to"
] | [
"boost converter",
"circuit",
"diy electronics",
"diy inductor",
"inductor",
"science",
"teaching"
] | [Ludic Science] shows us the basic principles that lie behind the
humble boost converter
. We all take them for granted, especially when you can
make your own boost converter
or buy one for only a few dollars, but sometimes it’s good to get back to basics and understand exactly how things work.
The circuit in question ... | 30 | 9 | [
{
"comment_id": "3553808",
"author": "Evan",
"timestamp": "2017-05-05T11:29:39",
"content": "Very helpful and clear explanation.I remember the first time a brushed motor design clicked for me– it was another one of these “wire wrapped around a nail” handmade designs, and it really helped me develop ... | 1,760,374,840.16343 | ||
https://hackaday.com/2017/05/05/dont-forget-bring-a-hack-munich-is-tonight/ | Don’t Forget: Bring A Hack Munich Is Tonight | Elliot Williams | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Bring A Hack",
"Hackaday Prize",
"make munich",
"munich"
] | If you’re in Munich, Germany this weekend and you’ve got a sweet hack to show off and a thirst for beer and/or good geeky company, then you’re in luck! Come join Hackaday at the
muCCC
for a Hackaday Prize Bring a Hack.
The location is
Schleißheimer Str. 41
, a short walk west along Heßstraße from the Theresienstraße U-... | 4 | 3 | [
{
"comment_id": "3553793",
"author": "davedarko",
"timestamp": "2017-05-05T11:04:07",
"content": "but don’t take any pictures, Elliot! They don’t like that there :D ask everyone before you do that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3553898",
... | 1,760,374,840.468324 | ||
https://hackaday.com/2017/05/07/remotely-controlling-a-not-so-miniature-hot-air-balloon/ | Remotely Controlling A Not-So-Miniature Hot Air Balloon | Dan Maloney | [
"Misc Hacks"
] | [
"aerostat",
"arduino",
"balloon",
"burner",
"hot air balloon",
"lighter-than-air",
"nRF24L01+",
"propane",
"propane accessories"
] | Calling [Matt Barr]’s
remote controlled hot air balloon
a miniature is a bit misleading. Sure, it’s small compared with the balloons that ply cold morning skies with paying passengers and a bottle of champagne for the landing. Having been in on a few of those landings, we can attest to the size of the real thing. They’... | 17 | 6 | [
{
"comment_id": "3556211",
"author": "gregkennedy",
"timestamp": "2017-05-07T15:35:42",
"content": "I’ve been following the Cloudhoppers group on Facebook for a while now… these are “single-person” hot air balloons, usually with a chair instead of a gondola attached. One day…",
"parent_id": nul... | 1,760,374,840.518788 | ||
https://hackaday.com/2017/05/07/open-source-firmware-for-hoverboards/ | Open Source Firmware For Hoverboards | Brian Benchoff | [
"Transportation Hacks"
] | [
"electric unicycle",
"firmware",
"hoverboard",
"stm32"
] | 2015 was two years ago, and to the surprise of many, we actually had hoverboards at the time. Of course, these weren’t
Back to the Future
-style hovering skateboards; they were crappy two-wheeled balancing scooters that suffered a few battery explosions and were eventually banned from domestic flights by some carriers.... | 16 | 9 | [
{
"comment_id": "3556027",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-05-07T09:45:12",
"content": "eventually banned from domestic flights by some carriersThat’s an understatement. They’re completely banned in the UK, and the Victorian government wanted to do the same here in Australia. (A... | 1,760,374,840.574422 | ||
https://hackaday.com/2017/05/06/butter-passing-battlebot/ | Butter Passing Battlebot | Lewin Day | [
"Robots Hacks"
] | [
"battlebot",
"battlebots",
"flamethrower",
"robogames",
"robogames 2017",
"robot",
"Wubba Lubba Dub Dub"
] | The idea of purpose is one of great importance to many sentient beings; one can only imagine the philosophical terror experienced by a robot designed solely to pass butter. Perhaps wishing to create a robot with more reason to exist, [Micah “Chewy” Leibowitz] decided to
build this battlebot armed with a flamethrower, n... | 14 | 7 | [
{
"comment_id": "3555924",
"author": "philosiraptor117",
"timestamp": "2017-05-07T05:07:34",
"content": "WHAT IS MY PURPOSE ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3555940",
"author": "Janowan",
"timestamp": "2017-05-07T05:55:20",
... | 1,760,374,840.627409 | ||
https://hackaday.com/2017/05/06/phase-modulation-with-an-fpga/ | Phase Modulation With An FPGA | Brian Benchoff | [
"FPGA",
"Radio Hacks"
] | [
"fpga",
"modulation",
"phase modulation",
"radio"
] | There are two radio modulation schemes everyone should know. Amplitude modulation changes the amplitude — or ‘volume’, if you will — of a carrier frequency and turns all radio into channels owned and operated by a church. Frequency modulation changes the pitch of a carrier frequency and is completely run by Clear Chann... | 29 | 13 | [
{
"comment_id": "3555858",
"author": "ehrichweiss",
"timestamp": "2017-05-07T03:31:16",
"content": "I’ve always heard that phase modulated signals are easily demodulated with FM because the act of changing the phase looks the same as changing the frequency to the demodulator. I know a lot of people ... | 1,760,374,840.732872 | ||
https://hackaday.com/2017/05/06/hackaday-prize-entry-device-for-seismic-noise-analysis/ | Hackaday Prize Entry: Device For Seismic Noise Analysis | Jenny List | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Hackaday Prize",
"seismology",
"seismometer",
"the hackaday prize"
] | Whenever there is an earthquake somewhere in the world, our TV screens fill with images of seismic data. Those news report graphics with simplified bite-sized diagrams that inform the masses, but usually get something wrong. Among the images there will invariably be one of a chart recorder drawing a significant earthqu... | 24 | 7 | [
{
"comment_id": "3555765",
"author": "Doc",
"timestamp": "2017-05-06T23:37:53",
"content": "Project makes absolute sense; establishing baseline for measurement. Principle is used in nearly all fields of measurement from big 3d coordinate measurements to microwave network analyzer systems. Looks cool... | 1,760,374,840.794315 | ||
https://hackaday.com/2017/05/06/the-nintendo-playstation-finally-working/ | The Nintendo PlayStation: Finally Working | Brian Benchoff | [
"classic hacks",
"Nintendo Hacks",
"Playstation Hacks"
] | [
"ben heck",
"nintendo",
"playstation"
] | The Nintendo PlayStation is not a misnomer. Before the PS1, Sony teamed up with Nintendo to produce a video game console that used CD-ROMs as a distribution platform. These plans fell through, Sony went on to design the PS1, Nintendo the N64, but a few prototype ‘Nintendo PlayStations’ made it out into the wild. One of... | 19 | 8 | [
{
"comment_id": "3555645",
"author": "Nitori",
"timestamp": "2017-05-06T21:11:09",
"content": "Neat to see it actually working.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3555666",
"author": "Gravis",
"timestamp": "2017-05-06T21:34:11",
"conten... | 1,760,374,840.947199 | ||
https://hackaday.com/2017/05/06/reverse-engineering-space-invaders-sound-chip/ | Reverse Engineering Space Invaders Sound Chip | Al Williams | [
"classic hacks",
"Musical Hacks"
] | [
"76477",
"ken shirriff",
"space invaders"
] | Around here, a new blog post from [Ken Shirriff] is almost as exciting as a new Star Trek movie. This time, [Ken]
tears apart a 76477 sound effects chip
. This chip was state-of-the-art in 1978 and used in Space Invaders, along with plenty of other pinball machines and games.
[Ken] started out with a die photo from [Se... | 7 | 3 | [
{
"comment_id": "3555294",
"author": "Eugene rev. 2",
"timestamp": "2017-05-06T17:12:34",
"content": "Radio Shack (RIP) carried this chip in their blister pack IC series back in the early 80’s. I finally got one and wired up a primitive synthesizer. That was a lot of fun to play with!",
"parent_... | 1,760,374,840.667882 | ||
https://hackaday.com/2017/05/05/matlab-and-simulink-for-zynq/ | MATLAB And Simulink For Zynq | Al Williams | [
"ARM",
"FPGA"
] | [
"fpga",
"matlab",
"Simulink",
"zedboard",
"Zynq"
] | Although we see a lot of MATLAB use in industry and in academia, it isn’t as popular in the hacker community. That’s probably due to the cost. If you’ve ever wondered why companies will pay over $2000 for the base product, you might enjoy the
video of a webinar
covering using MATLAB and Simulink (a companion product) t... | 13 | 9 | [
{
"comment_id": "3553666",
"author": "tomás zerolo",
"timestamp": "2017-05-05T08:53:07",
"content": "No, it ain’t the price. It’s because it’s non-free.Yeah, I pay for my things (I even pay for my local newspaper although they put it free on the Web: the fact that they *dare* to not have a paywall w... | 1,760,374,840.997078 | ||
https://hackaday.com/2017/05/04/ancient-robot-creates-modern-art/ | Ancient Robot Creates Modern Art | Bryan Cockfield | [
"Robots Hacks"
] | [
"art",
"automation",
"contest",
"LinuxCNC",
"robot",
"scara"
] | They say that there’s more to a Jackson Pollock painting than randomly scattering paint on a canvas, and the auction value of his work seems to verify that claim. If you want to create some more conventional artwork, however, but are missing the artistic muse that inspired Pollock, maybe you can put your creative energ... | 21 | 12 | [
{
"comment_id": "3553477",
"author": "Make America Great Britain Again",
"timestamp": "2017-05-05T05:08:47",
"content": "I wish he painted some rare Pepes",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3553485",
"author": "Anton Fosselius (@MaidenOne)",
... | 1,760,374,841.054747 | ||
https://hackaday.com/2017/05/04/ai-generates-color-palettes-has-remarkably-good-taste/ | AI Generates Color Palettes; Has Remarkably Good Taste | Lewin Day | [
"Software Development"
] | [
"color",
"colour",
"design",
"neural net",
"neural network"
] | Color palettes are key to any sort of visual or graphic design. A designer has to identify a handful of key colours to make a design work, making calls on what’s eye catching or what sets the mood appropriately. One of the problems is that it relies heavily on subjective judgement, rather than any known mathematical fo... | 27 | 5 | [
{
"comment_id": "3553361",
"author": "RÖB",
"timestamp": "2017-05-05T02:33:51",
"content": "Wow, This is such a subjective thing to be tested with neural nets and it seems to do so well. LOL and that is coming from some one that is color blind.From working with front end web developers (when I was a... | 1,760,374,841.120011 | ||
https://hackaday.com/2017/05/04/ultrasonic-tracking-beacons/ | Ultrasonic Tracking Beacons Rising | Pedro Umbelino | [
"News"
] | [
"audio",
"beacon",
"nearby",
"security",
"tracking",
"ultrasonic"
] | An ultrasonic beacon is an inaudible sound with encoded data that can be used by a listening device to receive information on just about anything. Beacons can be used, for example, inside a shop to highlight a particular promotion or on a museum for guided tours where the ultrasonic beacons can encode the location. Or ... | 41 | 19 | [
{
"comment_id": "3553184",
"author": "TheRegnirps.",
"timestamp": "2017-05-04T23:22:38",
"content": "Can’t “deanonymization” just be “ID” or “identify”? Crimminy, is it so common that you don’t have to hyphenate?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,374,841.196879 | ||
https://hackaday.com/2017/05/04/industrial-robots-hacking-and-sabotage/ | Industrial Robots, Hacking And Sabotage | Jack Laidlaw | [
"Security Hacks",
"Software Hacks"
] | [
"computer hacking",
"cyber security",
"Industrial robot",
"Industrial Robot Arm",
"Internet of Stupid",
"robot hacking",
"sabotage"
] | Everything is online these days creating the perfect storm for cyber shenanigans. Sadly, even industrial robotic equipment is easily compromised because of our ever increasingly connected world. A new report by Trend Micro shows
a set of attacks on robot arms and other industrial automation hardware
.
This may not seem... | 62 | 17 | [
{
"comment_id": "3553002",
"author": "Dave",
"timestamp": "2017-05-04T20:50:24",
"content": "So dont people use routers with firewalls for industrial robots? Starting to sound like the IOT. Every report I read about IOT seems to indicate that they are just plugged directly into the net without a fir... | 1,760,374,841.297865 | ||
https://hackaday.com/2017/05/04/hackaday-prize-entry-arduino-splash-resistant-toilet-foamer/ | Hackaday Prize Entry: Arduino Splash Resistant Toilet Foamer | Jenny List | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino",
"foam",
"Hackaday Prize",
"toilet",
"toilet hack"
] | There are some universal human experiences we don’t talk about much, at least not in public. One of them you’ll have in your own house, and such is our reluctance to talk about it, we’ve surrounded it in a fog of euphemisms and slang words. Your toilet, lavatory, john, dunny, khazi, bog, or whatever you call it, is par... | 42 | 14 | [
{
"comment_id": "3552923",
"author": "CodeMonkey",
"timestamp": "2017-05-04T18:44:33",
"content": "Honestly, all you need is to dump a few pieces of toilet paper before the deed, and no splash…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3552973",
... | 1,760,374,841.548173 | ||
https://hackaday.com/2017/05/04/the-princess-and-the-hdd-poor-design-choices/ | The Princess And The HDD: Poor Design Choices | Lewin Day | [
"Featured",
"Peripherals Hacks",
"Repair Hacks"
] | [
"2027",
"aficio",
"aficio 2027",
"copier",
"fix",
"hard drive",
"hdd",
"photocopier",
"printer",
"ricoh"
] | You’ll all remember my grand adventure in acquiring a photocopier.
Well, it’s been a rollercoaster, I tell ya. While I still haven’t found a modification worthy enough to attempt, I have become increasingly frustrated. From time to time, I like to invite my friends and family over for dinner, and conversation naturally... | 74 | 25 | [
{
"comment_id": "3552862",
"author": "FirmwareHacker",
"timestamp": "2017-05-04T17:11:41",
"content": "Unfortunately too many “engineers” haven’t heard of, or practice “graceful degradation”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3552866",
"... | 1,760,374,841.668572 | ||
https://hackaday.com/2017/05/04/google-aiy-artificial-intelligence-yourself/ | Google AIY: Artificial Intelligence Yourself | Inderpreet Singh | [
"google hacks",
"News",
"Raspberry Pi"
] | [
"ai",
"AIY",
"artificial intelligence",
"artificial intelligence yourself",
"google",
"Google AIY",
"voice interaction kit"
] | When Amazon released the API to their voice service Alexa, they basically forced any serious players in this domain to bring their offerings out into the hacker/maker market as well. Now Google and Raspberry Pi have come together to bring us
‘Artificial Intelligence Yourself’ or AIY
.
A free hardware kit made by Google... | 35 | 12 | [
{
"comment_id": "3552776",
"author": "Joe",
"timestamp": "2017-05-04T15:37:24",
"content": "So you have to make your own hotword detection",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3552784",
"author": "RicoElectrico",
"timestamp": "2017-... | 1,760,374,841.803293 | ||
https://hackaday.com/2017/05/04/appliance-electrical-safety-testing-weve-got-it-down-pat/ | We’ve Got It Down PAT: Appliance Electrical Safety Testing | Jenny List | [
"Hackaday Columns",
"Interest"
] | [
"appliances",
"PAT",
"Portable Appliance Testing",
"safety"
] | Everywhere we look in our everyday lives, from our bench to our bedroom, there are the ubiquitous electrical cords of mains-powered appliances. We don’t give our electrical devices a second thought, but in addition to their primary purpose they all perform the function of keeping us safe from the dangerous mains voltag... | 23 | 11 | [
{
"comment_id": "3552728",
"author": "nsayer",
"timestamp": "2017-05-04T14:45:10",
"content": "Wasn’t this sort of thing at least part of the reason why (the much larger part being internationalization) the IEC 60320 coupler specs became so widespread? Seems like localized mains plug-to-IEC cables w... | 1,760,374,841.867003 | ||
https://hackaday.com/2017/05/04/mission-control-for-kerbal/ | Mission Control For Kerbal | Al Williams | [
"Arduino Hacks",
"Slider"
] | [
"arduino",
"kerbal space program",
"keyboard input",
"Laser cutting",
"mouse input"
] | [Niko1499] had a plan. He’d built a cool hardware controller for the game Kerbal Space Program (KSP). He got a lot of positive reaction to it and decided to form a company to produce them. As many people have found out, though, that’s easier said than done, and the planned company fell short of its goals. However, [Nik... | 31 | 10 | [
{
"comment_id": "3552333",
"author": "Clovis Fritzen",
"timestamp": "2017-05-04T11:07:53",
"content": "A hack is always a hack, regardless of usability, costs or sales volume (or even fail to sell). Very good to see people creating their own computer hardware!",
"parent_id": null,
"depth": 1... | 1,760,374,841.732214 | ||
https://hackaday.com/2017/05/04/reverse-engineering-the-peugeot-207s-can-bus/ | Reverse-Engineering The Peugeot 207’s CAN Bus | Anool Mahidharia | [
"car hacks",
"Slider"
] | [
"207",
"arduino",
"camera",
"can-bus",
"ios",
"iPhone 4s",
"ipod touch",
"Peugeot",
"Reverse Camera"
] | Here’s a classic “one thing led to another” car hack. [Alexandre Blin] wanted a reversing camera for his old Peugeot 207 and went down a rabbit hole which led him to do some extreme
CAN bus reverse-engineering with Arduino and iOS
. Buying an expensive bezel, a cheap HDMI display, an Arduino, a CAN bus shield, an iPod ... | 53 | 12 | [
{
"comment_id": "3552054",
"author": "abzman2000",
"timestamp": "2017-05-04T08:51:13",
"content": "reminds me of poking around in memory of video games 10+ years ago. Snapshot memory, get more in-game money, diff against current memory, get more money, diff again, keep going until you’re pretty sur... | 1,760,374,842.299117 | ||
https://hackaday.com/2017/05/03/model-of-a-transmission-line/ | Model Of A Transmission Line | Manuel Rodriguez-Achach | [
"classic hacks",
"Misc Hacks"
] | [
"high frequency",
"power losses",
"transmission line"
] | Transmission lines are the kind of thing that seems to confuse beginners. After all, the fact that short-circuits can have infinite impedance and open-circuits can behave like a short is not intuitive at all!. That’s why we like [Tinselkoala]’s latest video that shows a
nice model
of a transmission line. It helps to un... | 16 | 8 | [
{
"comment_id": "3551872",
"author": "CRJEEA",
"timestamp": "2017-05-04T07:00:04",
"content": "Cut out the middleman. Just attach the high frequency to an eight foot strip light. Drop the voltage until it’s borderline glowing. You’ll see a standing wave.",
"parent_id": null,
"depth": 1,
... | 1,760,374,841.920475 | ||
https://hackaday.com/2017/05/03/rusty-arm/ | Rusty ARM | Al Williams | [
"ARM"
] | [
"arm",
"cortex m",
"rust",
"stm32"
] | You’ve probably heard that Rust is a systems programming language that has quite the following growing. It purports to be fast like C, but has features like guaranteed memory and thread safety, generics, and it prevents segmentation faults. Sounds like just the thing for an embedded system, right? [Jorge Aparicio] was ... | 16 | 5 | [
{
"comment_id": "3551670",
"author": "Yann Guidon / YGDES",
"timestamp": "2017-05-04T02:05:50",
"content": "“compact about 1bout 127 bytes.”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3551881",
"author": "Elliot Williams",
"timestamp": "2... | 1,760,374,841.972822 | ||
https://hackaday.com/2017/05/03/pneumatic-rotary-vane-joints-lend-a-gentle-helping-hand/ | Pneumatic Rotary Vane Joints Lend A Gentle Helping Hand | Steven Dufresne | [
"Robots Hacks"
] | [
"bionic",
"festo",
"robot arm"
] | Festo has released a video
showing the workings of their BionicCobot
, a pneumatic robot arm developed for lending a helping hand to humans at a workstation. Since it works intimately with humans, it has to be safe, producing no harmful movements, and reacting when encountering an obstacle such as an arm containing del... | 20 | 11 | [
{
"comment_id": "3551490",
"author": "H. Wolowitz",
"timestamp": "2017-05-03T23:27:46",
"content": "genius! this would solve .. a lot of issues.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3551570",
"author": "Gravis",
"timestamp": "2017-05-04T00:31... | 1,760,374,842.145475 | ||
https://hackaday.com/2017/05/03/electromechanical-lunar-lander/ | Electromechanical Lunar Lander | Jenny List | [
"Toy Hacks"
] | [
"chris fenton",
"lunar lander",
"nycresistor"
] | One of the smash hits of the 1970s arcade was Atari’s
Lunar Lander
. A landing craft in orbit around a moon would descend slowly towards the surface, and through attitude and thrust controls the player had the aim of bringing it safely in to land. Many a quarter would have been poured into the slot by eager gamers want... | 24 | 7 | [
{
"comment_id": "3551281",
"author": "Stumpy Wood",
"timestamp": "2017-05-03T20:04:46",
"content": "George Lucas would have been proud. My first Lunar Lander experience was at a teletype terminal accessing the Kiewit computer center at UNH. You would start the game, type in the amount of burn in sec... | 1,760,374,842.204864 | ||
https://hackaday.com/2017/05/03/hackaday-prize-entry-analyzing-and-controlling-hand-tremors/ | Hackaday Prize Entry: Analyzing And Controlling Hand Tremors | Kristina Panos | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"accelerometer",
"essential tremor",
"gyroscope",
"Parkinson's disease",
"Tremor"
] | For the millions of people suffering from Parkinson’s and other causes of hand tremor, there is new hope in the form of [mohammedzeeshan77]’s entry into the Hackaday Prize:
a glove that analyzes and controls the tremors
.
The glove uses an accelerometer and a pair of flex sensors to determine the position of the hand a... | 6 | 5 | [
{
"comment_id": "3551262",
"author": "Roger Vernon",
"timestamp": "2017-05-03T19:48:34",
"content": "I’m looking forward to testing this myself. Best of luck.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3551350",
"author": "Dr Shill",
"ti... | 1,760,374,842.343054 |
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