url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2019/11/06/an-open-hardware-laser-engraver-for-everyone/ | An Open Hardware Laser Engraver For Everyone | Tom Nardi | [
"Laser Hacks",
"Tool Hacks"
] | [
"diode laser",
"ERRF 19",
"GT2",
"laser engraver",
"NEMA17",
"open hardware"
] | Right now, you can get a diode laser engraver on eBay for around $100 USD. That sounds like a deal, but it’ll probably use some arcane proprietary software, won’t be terribly accurate, and the laser itself will almost certainly be fully exposed. Of course there’s no shortage of DIY builds which improve upon this situat... | 14 | 9 | [
{
"comment_id": "6193108",
"author": "Saabman",
"timestamp": "2019-11-06T21:41:23",
"content": "That looks nice. With a bit of tweaking to the head and add a quick change tool head. Swap the laser for a pen for a hot end for an rotary cutter it would be 4 or more tools in one. And all enclosed to b... | 1,760,373,696.293125 | ||
https://hackaday.com/2019/11/05/robotics-controller-for-the-pi-boasts-impressive-feature-list/ | Robotics Controller For The Pi Boasts An Impressive Feature List | Donald Papp | [
"Raspberry Pi",
"Robots Hacks"
] | [
"motor driver",
"Raspbery PI",
"RedBoard",
"redrobotics",
"robot controller",
"robotics",
"Tindie"
] | [Michael Horne] recently shared his thoughts on the
RedBoard+
, a motor controller board for the Raspberry Pi aimed at robotic applications. His short version for busy people is:
if you’re at all into robotics, get one because it’s fantastic
.
At heart the RedBoard+ is a motor controller, but it’s packed with I/O and f... | 4 | 3 | [
{
"comment_id": "6192994",
"author": "cdilla",
"timestamp": "2019-11-06T14:03:32",
"content": "I was looking at a couple of controllers for a project at the weekend and found them both wanting so parked it. Then here is this post – ideal. Bosh – sorted. Board on its way.",
"parent_id": null,
... | 1,760,373,696.434939 | ||
https://hackaday.com/2019/11/05/how-ammo-temperature-will-affect-shooting-accuracy/ | How Ammo Temperature Will Affect Shooting Accuracy | Pat Whetman | [
"Weapons Hacks"
] | [
"ammunition",
"reloading",
"temperature"
] | The last time we visited the Hackaday shooting range we were all psyched up to get the right posture, breathe correctly, lower our heart rates and squeeze the trigger at exactly the right moment that the wandering cross hairs align with the target ……. and lastly accommodate the inevitable recoil. But never did we think... | 32 | 12 | [
{
"comment_id": "6192887",
"author": "O",
"timestamp": "2019-11-06T03:20:03",
"content": "Wait, are there indoor shooting ranges? Why?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192889",
"author": "David",
"timestamp": "2019-11-06T03:21:... | 1,760,373,696.5098 | ||
https://hackaday.com/2019/11/05/liquid-methane-rocket-is-set-to-soar/ | Liquid Methane Rocket Is Set To Soar | Lewin Day | [
"Science"
] | [
"liquid methane",
"liquid rocket",
"rocket",
"rocketry"
] | Solid rockets are a fun way to get started in rocketry. Brewing up a batch of rocket candy is something achievable even in the home lab, and anyone can give it a go with the right materials. Building a flight-capable liquid-fuelled rocket engine is another thing entirely,
but the Purdue Space Program is up to the task.... | 25 | 8 | [
{
"comment_id": "6192882",
"author": "KVG",
"timestamp": "2019-11-06T02:04:28",
"content": "Coaxial fuel tanks! Cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6192885",
"author": "jacobchrist",
"timestamp": "2019-11-06T03:01:25",
"content": "... | 1,760,373,696.35185 | ||
https://hackaday.com/2019/11/05/building-a-6-5-digit-voltmeter-from-scratch/ | Building A 6.5 Digit Voltmeter From Scratch | Maya Posch | [
"hardware"
] | [
"diy voltmeter",
"testing equipment",
"voltmeter"
] | After initially working to create a modernized replica of a Czechoslovakian 4-digit Metra M1T242 voltmeter, [Jaromir Sukuba] figured that while he was at it, he might as well create a voltmeter that would be slightly more capable. This led to the design and construction of a brand-new, 6.5 digit voltmeter design, which... | 9 | 5 | [
{
"comment_id": "6192835",
"author": "Canuckfire",
"timestamp": "2019-11-05T21:15:56",
"content": "This seems like a horribly slippery slope to madness…Not that I should really comment as I sit here trying to figure out how to refine my plans to build an absurdly stable clock.",
"parent_id": nul... | 1,760,373,696.558822 | ||
https://hackaday.com/2019/11/05/servo-socks-is-a-brilliantly-simple-solution-for-quick-hacking/ | Servo Socks Is A Brilliantly Simple Solution For Quick Hacking | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"hdpe",
"servo",
"servocase"
] | [Dan Kitchen] has a great
solution for making servos easy to hack
.
Every hacker has a drawer full of servo’s somewhere. Just about every project that uses them starts off by measuring the spacing and designing some obscure bracket to meet that unique motor’s size. However, what if you could use common wood screws and ... | 8 | 4 | [
{
"comment_id": "6192884",
"author": "Dan Kitchen",
"timestamp": "2019-11-06T02:50:34",
"content": "Thanks for the great article Gerrit! The idea for Servo Socks came from the exact frustration you described in making obscure little brackets ;-)",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,696.196203 | ||
https://hackaday.com/2019/11/05/the-murky-business-of-stopping-oil-spills/ | The Murky Business Of Stopping Oil Spills | Kristina Panos | [
"Current Events",
"Hackaday Columns",
"Interest",
"Original Art",
"Slider"
] | [
"black gold",
"Deepwater Horizon",
"junk shot",
"offshore drilling",
"oil spill",
"static kill",
"Taylor Energy spill",
"texas tea",
"top kill"
] | Six years before Deepwater Horizon exploded in April 2010, the force of Hurricane Ivan blew an offshore drilling platform off its legs and into the Gulf of Mexico. For the last 14 years, that well’s pipes, long buried in mud and debris have been spilling oil into the Gulf every single day.
That makes it the longest-run... | 35 | 12 | [
{
"comment_id": "6192788",
"author": "I",
"timestamp": "2019-11-05T18:10:13",
"content": "“For one thing, the walls of the platform were planted several hundred feet down into mud. If you think that sounds like a bad idea, you’re right.”What does this mean? That means nothing to me.",
"parent_id... | 1,760,373,696.837397 | ||
https://hackaday.com/2019/11/05/superconference-interview-carl-bugeja/ | Superconference Interview: Carl Bugeja | Jenny List | [
"cons"
] | [
"2019 Hackaday Superconference",
"Carl Bugeja",
"interview",
"Supercon"
] | It’s an exciting time of year for us, not because Christmas is on the horizon, instead for something
far
more exciting than that!
The Hackaday Superconference
is nearly upon us, our yearly gathering of the
creme de la creme
of the hardware hacking world for a fascinating program of lectures and other events. We can’t w... | 1 | 1 | [
{
"comment_id": "6192831",
"author": "MattyD",
"timestamp": "2019-11-05T20:58:12",
"content": "I love reading his stuff. Fishman Fluence pickups use etched circuits to form the guitar pickups rather than wind them so anything that can use more efficiant techniques to improve a hand wound product get... | 1,760,373,696.234584 | ||
https://hackaday.com/2019/11/06/giving-sight-to-the-blind-with-a-wave-of-the-hand/ | Giving Sight To The Blind With A Wave Of The Hand | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"blind",
"haptics",
"visually impaired"
] | [Jakob Kilian] is working on a glove that he hopes will
let the blind “see” their surroundings.
One of the most fascinating examples of the human brain’s plasticity is in its ability to map one sense to another. Some people, for example, report being able to see sound, giving them a supernatural ability to distinguish ... | 1 | 1 | [
{
"comment_id": "6193178",
"author": "mime",
"timestamp": "2019-11-07T07:01:24",
"content": "This is quite clever and well within the reach of a hacker, I’d say. You can buy laser range sensors from Ebay, or ultrasonic, or even have vision based systems for object detection.I wonder whether it would... | 1,760,373,696.391777 | ||
https://hackaday.com/2019/11/06/blend-your-last-frogs-google-turns-a-blind-eye-to-flash/ | Blend Your Last Frogs. Google Turns A Blind Eye To Flash. | Gerrit Coetzee | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"adobe",
"flash",
"geocities",
"google",
"Macromedia"
] | Google has announced that it
will no longer index Flash files
.
Journey with me to a time in a faraway internet; a time before we had monetized social media. A time when the page you shared with your friends was your page and not a page on someone’s network. Way back when Visual Basic was what Python is now and JavaScr... | 66 | 27 | [
{
"comment_id": "6193047",
"author": "Q",
"timestamp": "2019-11-06T18:17:41",
"content": "I appreciate the time taken to write this. With how cheap storage is nowadays, if [insert large company here] wanted to earn some street cred with the public, they should start an internet history preservation ... | 1,760,373,696.758684 | ||
https://hackaday.com/2019/11/06/supercon-keynote-dr-megan-wachs-on-risc-v/ | Supercon Keynote: Dr. Megan Wachs On RISC-V | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2019 Hackaday Superconference",
"Hackaday Supercon",
"open hardware",
"RISC-V",
"Supercon"
] | Hackaday has open-source running deep in our veins — and that goes for hardware as well as software. After all, it’s great to run open-source software, but if it’s running on black-box hardware, the system is only half open. While software has benefited mightily from all of the advantages of community development, the ... | 28 | 7 | [
{
"comment_id": "6193052",
"author": "Ostracus",
"timestamp": "2019-11-06T18:32:55",
"content": "“Hackaday has open-source running deep in our veins”Articles under CC?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6193056",
"author": "BeatJunkie",
... | 1,760,373,696.909833 | ||
https://hackaday.com/2019/11/06/ramen-pen-lets-you-doodle-with-noodles/ | Ramen Pen Lets You Doodle With Noodles | Kristina Panos | [
"how-to",
"Misc Hacks"
] | [
"epoxy",
"pen",
"pen turning",
"pressure tank",
"ramen",
"send noods"
] | Don’t write off your weird ideas — turn them into reality. For years, woodworkers have used pen bodies as a canvas for showing off beautiful wood. But what’s the fun in that? [JPayneWoodworking]
made a pen out of Ramen noodles
just to see if he could.
The process is pretty straightforward, as he explains in the build v... | 25 | 7 | [
{
"comment_id": "6193026",
"author": "Andy Pugh",
"timestamp": "2019-11-06T16:43:22",
"content": "I came here expecting a 3D printing pen that extruded edible noodle sculptures, and left disappointed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6193027",
... | 1,760,373,697.067011 | ||
https://hackaday.com/2019/11/06/qantas-research-flight-travels-115-of-range-with-undercrowded-cabin/ | Qantas’ Research Flight Travels 115% Of Range With Undercrowded Cabin | Lewin Day | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"777X",
"787",
"A350",
"aviation",
"Qantas",
"research"
] | Long-haul flights can be a real pain when you’re trying to get around the world. Typically, they’re achieved by including a stop along the way, with the layover forcing passengers to deplane and kill time before continuing the flight. As planes have improved over the years, airlines have begun to introduce more direct ... | 34 | 14 | [
{
"comment_id": "6193008",
"author": "WF",
"timestamp": "2019-11-06T15:16:51",
"content": "So the plane carried 20808000 bits over its 19h 16min journey to have it tagged with 300baud.I am so confused right now.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,373,697.184001 | ||
https://hackaday.com/2019/11/06/laser-based-audio-injection-on-voice-controllable-systems/ | Laser-Based Audio Injection On Voice-Controllable Systems | Pat Whetman | [
"Cellphone Hacks",
"Laser Hacks"
] | [
"audio",
"lasers",
"security",
"sound",
"The photoacoustic effect"
] | In one of the cooler hacks we’ve seen recently, a bunch of hacking academics at the University of Michigan researched the ability to flicker a laser at audible sound frequencies to see if they could remotely operate microphones simply by shining a light on them.
The results are outstanding
.
While most Hackers will hav... | 27 | 17 | [
{
"comment_id": "6192978",
"author": "Alex",
"timestamp": "2019-11-06T13:10:29",
"content": "A mate of mine used to do something similar and would walk around his village changing the channel on everyone’s satellite receiver to Babestation, using his own remote pointed through their windows.",
"... | 1,760,373,697.250471 | ||
https://hackaday.com/2019/11/06/3d-printing-batteries/ | 3D Printing Batteries | Al Williams | [
"3d Printer hacks",
"Science"
] | [
"3d printed batteries",
"3d printing",
"batteries",
"battery"
] | We’ve all gotten pretty adept at 3D printing keychains and enclosures. Some people can even 3D print circuit boards to an extent. But the real goal is a Star Trek-style replicator that just pushes out finished products. Printing different components would be a key technology and unless you want to supply external power... | 7 | 4 | [
{
"comment_id": "6192969",
"author": "anon",
"timestamp": "2019-11-06T12:16:16",
"content": "Not sure if the paper didn’t report this or if just the article but I would of loved an energy density comparison.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "619... | 1,760,373,697.108942 | ||
https://hackaday.com/2019/11/04/a-usb-c-bench-power-supply/ | A USB-C Bench Power Supply | Tom Nardi | [
"Tool Hacks"
] | [
"bench power supply",
"DPH5005",
"USB C",
"USB-PD"
] | A bench power supply is one of those things that every hacker needs, and as the name implies, it’s intended to occupy a place of honor on your workbench. But with the
addition of USB-C support to his DPH5005 bench supply
, [Dennis Schneider] is ready to take his on the road should the need ever arise.
The build started... | 8 | 1 | [
{
"comment_id": "6192756",
"author": "Anthony Pray",
"timestamp": "2019-11-05T16:30:14",
"content": "anyone got any info on the USB-C PD trigger module?no luck on Ebay, banggood, aliexpress. this is the second project i have seen using this module,Anyone got some of toughs links?",
"parent_id": ... | 1,760,373,697.008198 | ||
https://hackaday.com/2019/11/04/axiom-a-100kw-motor-controller-fo-making-big-motors-move/ | Axiom, A 100+kW Motor Controller For Making Big Motors Move | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"axiom",
"driver",
"ev",
"motor",
"vesc"
] | We’ve seen a lot of motor driver boards for robots and the odd electric skateboard. What we haven’t see a lot of is
one big enough to drop into an electric vehicle.
The Axiom motor controller was a winner of the
bootstrap
contest and is a
Finalist in the 2019 Hackaday Prize.
The driver aims to deliver 300A continuous a... | 47 | 11 | [
{
"comment_id": "6192561",
"author": "Stripey Type, Turkey-Murderer (@StripeyType)",
"timestamp": "2019-11-04T19:57:57",
"content": "Getting closer and closer to an Open Source EV toolkit… and maybe even something like an Open Source EV “Crate motor”I’ve got a ’78 International Scout that I would *L... | 1,760,373,697.332433 | ||
https://hackaday.com/2019/11/04/gigantic-fpga-in-a-game-boy-form-factor-2019-supercon-badge-is-a-hardware-siren-song/ | Gigantic FPGA In A Game Boy Form Factor, 2019 Supercon Badge Is A Hardware Siren Song | Mike Szczys | [
"cons",
"Featured",
"FPGA",
"Slider"
] | [
"2019 Hackaday Superconference",
"badge",
"badgelife",
"fpga",
"Supercon"
] | Look upon this conference badge and kiss your free time goodbye. The
2019 Hackaday Superconference badge
is an ECP5 FPGA running a RISC-V core in a Game Boy form factor complete with cartridge slot that is more open than anything we’ve ever seen before: multiple open-source CPU designs were embedded in an open system, ... | 54 | 20 | [
{
"comment_id": "6192556",
"author": "Tommaso Toffoli",
"timestamp": "2019-11-04T19:46:31",
"content": "How do I get one such badge?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192566",
"author": "Mike Szczys",
"timestamp": "2019-11-04T20... | 1,760,373,697.442677 | ||
https://hackaday.com/2019/11/04/circuit-sculpture-hack-chat/ | Circuit Sculpture Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"art",
"bending",
"brass",
"Circuit Sculpture",
"dead bug",
"kinetic",
"pummer",
"The Hack Chat"
] | Join us on Wednesday, November 6 at noon Pacific for the
Circuit Sculpture Hack Chat
with
Mohit Bhoite
!
For all the effort engineers put into electronic design, very few people ever get to appreciate it. All the hard work that goes into laying out a good PCB and carefully selecting just the right components is hidden ... | 7 | 5 | [
{
"comment_id": "6192525",
"author": "forthprgrmr",
"timestamp": "2019-11-04T17:14:07",
"content": "And what better than a 555 blinky circuit as the top image!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6192544",
"author": "james",
"timestamp": "20... | 1,760,373,697.494887 | ||
https://hackaday.com/2019/11/04/improbably-cheap-pocket-welder-gets-an-esp32-makeover/ | Improbably Cheap Pocket Welder Gets An ESP32 Makeover | Dan Maloney | [
"Tool Hacks"
] | [
"arc",
"bluetooth",
"ESP32",
"igbt",
"inverter",
"welder",
"welding"
] | If you move in certain shady circles, you may have noticed the crop of improbably cheap “pocket welders” popping up on the market these days. They’re all variations on a theme, most with wildly optimistic specs minimal accessories of the lowest possible quality. But their tiny size and matching price make them irresist... | 25 | 14 | [
{
"comment_id": "6192506",
"author": "Will Lyon",
"timestamp": "2019-11-04T16:13:56",
"content": "I’ll just leave this here:https://www.youtube.com/watch?v=–1lSmtuyUg",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192527",
"author": "CRJEEA",
... | 1,760,373,697.554951 | ||
https://hackaday.com/2019/11/04/how-smart-are-ai-chips-really/ | How Smart Are AI Chips, Really? | Maya Posch | [
"Current Events",
"Featured",
"hardware",
"Science",
"Slider"
] | [
"ai",
"algebra",
"artificial intelligence",
"K210",
"Kendryte",
"tensors",
"vector processor"
] | The best part about the term “Artificial Intelligence” is that nobody can really tell you what it exactly means. The main reason for this stems from the term “intelligence”, with definitions ranging from the ability to practice logical reasoning to the ability to perform cognitive tasks or dream up symphonies. When it ... | 52 | 14 | [
{
"comment_id": "6192491",
"author": "yetihehe",
"timestamp": "2019-11-04T15:15:20",
"content": "If that article is tl;dr for you, simple analogy:https://xkcd.com/1838/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6192493",
"author": "Ostracus",
"tim... | 1,760,373,697.821806 | ||
https://hackaday.com/2019/11/04/esp32-makes-great-mppt-controller-in-low-cost-solar-installation/ | ESP32 Makes Great MPPT Controller In Low-Cost Solar Installation | Dan Maloney | [
"Solar Hacks"
] | [
"ESP32",
"maximum power point tracking",
"mppt",
"photovoltaic",
"pv",
"solar"
] | Solar power projects have become, in general, a matter of selecting components like panels and batteries, hooking them together with industry-standard connectors, and sitting back to watch the free electricity flow. As such, solar projects have become a bit boring, so it’s not often we see one that attracts our attenti... | 34 | 9 | [
{
"comment_id": "6192456",
"author": "melvisk",
"timestamp": "2019-11-04T12:15:34",
"content": "I like solar energy because it doesn’t cause pollution",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192518",
"author": "TimT",
"timestamp": "20... | 1,760,373,697.725919 | ||
https://hackaday.com/2019/11/05/a-simpler-method-to-make-optical-fiber-with-3d-printing/ | A Simpler Method To Make Optical Fiber With 3D Printing | Sharon Lin | [
"3d Printer hacks"
] | [
"fabrication",
"manufacturing",
"Optical fiber",
"preform"
] | There are a lot of remarkable uses for optical fiber, chief among them being telecommunications and imaging. While fiber can be produced for a better price than copper wire equivalents, they’re still not easy or cheap to manufacture.
Silica fibers require spinning tubes on a lathe, which requires the fiber’s core to be... | 11 | 4 | [
{
"comment_id": "6192751",
"author": "steelman",
"timestamp": "2019-11-05T16:07:57",
"content": "multi- or single-node fibersmulti- or single-modefibers",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192765",
"author": "JD",
"timestamp": "20... | 1,760,373,697.871676 | ||
https://hackaday.com/2019/11/05/will-the-real-unix-please-stand-up/ | Will The Real UNIX Please Stand Up? | Jenny List | [
"Featured",
"History",
"Linux Hacks",
"Original Art"
] | [
"BSD",
"gnu",
"linux",
"minix",
"unix"
] | Ken Thompson and Dennis Ritchie at a PDP-11. Peter Hamer [
CC BY-SA 2.0
]
Last week the computing world celebrated an important anniversary: the UNIX operating system turned 50 years old. What was originally developed in 1969 as a lighter weight timesharing system for a DEC minicomputer at Bell Labs has exerted a huge ... | 86 | 24 | [
{
"comment_id": "6192740",
"author": "Ren",
"timestamp": "2019-11-05T15:43:16",
"content": "protable, Linus?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192863",
"author": "RandyKC",
"timestamp": "2019-11-05T23:57:23",
"content... | 1,760,373,698.080081 | ||
https://hackaday.com/2019/11/05/projector-and-nes-mini-hide-out-inside-the-real-thing/ | Projector And NES Mini Hide Out Inside The Real Thing | Tom Nardi | [
"classic hacks",
"Nintendo Hacks"
] | [
"inductive charging",
"nes",
"nes classic",
"nes mini",
"pico projector"
] | Taking a page out of the Xzibit Engineering Handbook, [Geeksmithing] recently decided that the gutted carcass of an original Nintendo Entertainment System would make a perfect home for…a smaller NES. Well, that and two wireless controllers. Plus a projector. Oh, and batteries so it can be used on the go. Because really... | 5 | 2 | [
{
"comment_id": "6192704",
"author": "Sjaak",
"timestamp": "2019-11-05T12:25:42",
"content": "I generally dislike the rip an old console apart and stuff xxx inside, but this one is nicely done and kind of retro-correct.Well done!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,697.929337 | ||
https://hackaday.com/2019/11/05/razer-laptop-gets-a-sneaky-fan-mod/ | Razer Laptop Gets A Sneaky Fan Mod | Lewin Day | [
"Misc Hacks"
] | [
"laptop",
"Razer"
] | Some people love fan noise, using it to help get to sleep or just create some ambience in a room. Others hate it, like [Dimitris], and will take severe measures to eliminate it where possible. When his Razer Blade laptop was incessantly whirring away,
it was time to get to work
.
The Razer laptop uses a controller that... | 10 | 6 | [
{
"comment_id": "6192673",
"author": "six677",
"timestamp": "2019-11-05T09:18:08",
"content": "Razer at least fixed this problem in the 2017 models, I have one, the fans shut off and the machine spends a lot of time churning away silently, until you load it up of course.Instead I’m just sad that the... | 1,760,373,698.123733 | ||
https://hackaday.com/2019/11/04/traffic-updates-on-the-seven-seas-open-source-chart-plotter-using-a-raspberry-pi/ | Traffic Updates On The Seven Seas: Open Source Chart Plotter Using A Raspberry Pi | Danie Conradie | [
"gps hacks",
"Raspberry Pi",
"Transportation Hacks"
] | [
"ais",
"gps",
"marine",
"navigation",
"raspberry pi",
"sailing"
] | As the Raspberry Pi in its various forms continues to flow into the wild by the thousands, it’s interesting to see its user base expand outside beyond the hacker communities. One group of people who’ve also started taking a liking to it is sailing enthusiasts. [James Conger] is one such sailor, and he built his own
AIS... | 7 | 3 | [
{
"comment_id": "6192672",
"author": "Truth",
"timestamp": "2019-11-05T09:02:24",
"content": "> for a fraction of the price of comparable commercial unitsTo be fair a commercial unit transmit as well as receives (the above uses a Si4362 which is RX only). And I’m sure it has to meet actual safety st... | 1,760,373,698.175839 | ||
https://hackaday.com/2019/11/04/investigating-retroreflectors-with-one-heck-of-a-microscope/ | Investigating Retroreflectors With One Heck Of A Microscope | Lewin Day | [
"Science"
] | [
"ar",
"augmented reality",
"retroreflector",
"tilt five",
"tiltfive"
] | Retroreflectors are interesting materials, so known for their nature of reflecting light back to its source. Examples include street signs, bicycle reflectors, and cat’s eyes, which so hauntingly pierce the night. They’re also used in the Tilt Five tabletop AR system, for holographic gaming. [Adam McCombs] got his hand... | 16 | 5 | [
{
"comment_id": "6192638",
"author": "Daren Schwenke",
"timestamp": "2019-11-05T03:20:29",
"content": "Kudos for summing up the findings into in a single paragraph.I didn’t need to, but I came here just to say this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,373,698.23143 | ||
https://hackaday.com/2019/11/04/downdraft-device-dismisses-dust/ | Downdraft Device Dismisses Dust | Kristina Panos | [
"how-to",
"Misc Hacks"
] | [
"downdraft",
"downdraft box",
"dust collection",
"sanding",
"woodworking"
] | Woodworking is messy business, especially the sanding part. But even if you don’t care what happens to your shop floor, you don’t want dead tree particulate matter in your lungs. Wearing a mask or even a respirator is a good start, but a dust collection system is better. Someday, [XYZ Create] might have a shop-wide saw... | 9 | 8 | [
{
"comment_id": "6192648",
"author": "Osgeld",
"timestamp": "2019-11-05T05:25:42",
"content": "lets melt some plastic to make a very flimsy sanding table (which your best option is to have a solid slab)I don’t dis the idea, but your sanding a 2×4 block on a flimsy tote",
"parent_id": null,
"... | 1,760,373,698.325532 | ||
https://hackaday.com/2019/11/04/ambitious-led-cube-provides-endless-video-game-scrolling-plays-castlevania/ | Ambitious LED Cube Provides Endless Video Game Scrolling; Plays Castlevania | Dan Maloney | [
"LED Hacks"
] | [
"Castlevania",
"emulator",
"gameboy",
"led",
"LED cube",
"matrix",
"Panels",
"raspberry pi",
"scrolling",
"side-scroller"
] | LED cubes are all the rage right now, and rightly so given the amount of work that goes into them and the interesting things people find to do with them. Not content to make yet another position-sensitive display or an abstract design, though, [Greig Stewart] opted for something a bit more ambitious:
an LED cube with a... | 12 | 6 | [
{
"comment_id": "6192443",
"author": "A Start With Forth",
"timestamp": "2019-11-04T11:09:49",
"content": "Nice video, but unfortunately no info about current consumption and cost.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192453",
"author": "D... | 1,760,373,698.277946 | ||
https://hackaday.com/2019/11/03/rise-and-shine-with-this-japanese-inspired-clock/ | Rise And Shine With This Japanese-Inspired Clock | Tom Nardi | [
"clock hacks",
"LED Hacks"
] | [
"clock",
"DS3231",
"led matrix",
"MAX2719",
"MAX7219",
"mp3 player",
"woodworking"
] | On the
Hackaday.io page for his gorgeous “Sunrise Alarm Clock”
, [The Big One] is quick to point out that his design is only inspired by Japanese lanterns, and does not use authentic materials or traditional woodworking techniques. Perhaps that’s an important fact to some, but we’ll just say that the materials used see... | 4 | 2 | [
{
"comment_id": "6192500",
"author": "The Big One",
"timestamp": "2019-11-04T15:58:06",
"content": "Thanks for the writeup! The internals are currently just a bunch of jumper wires… there is nothing worth showing! I may eventually make a PCB for it, but this works well enough for the time being.",... | 1,760,373,698.419317 | ||
https://hackaday.com/2019/11/03/google-creates-debuggable-iphone/ | Google Creates Debuggable IPhone | Al Williams | [
"iphone hacks",
"Security Hacks"
] | [
"a11",
"apple",
"debug registers",
"google",
"iphone",
"KTRR",
"KTRW",
"project zero"
] | Apple is known for a lot of things, but opening up their platforms to the world isn’t one of those things. According to a recent Google post by [Brandon Azad], there do exist
special iPhones
that are made for development with JTAG ports and other magic capabilities. The port is
in all iPhones
(though unpopulated), but ... | 8 | 4 | [
{
"comment_id": "6192402",
"author": "CRImier",
"timestamp": "2019-11-04T04:41:47",
"content": "If anybody else has a bit of deja vu, that’s because this was also mentioned on “This Week In Security”:https://hackaday.com/2019/11/01/this-week-in-security-project-zeros-iphone-bbc-the-onion-rooting-and... | 1,760,373,698.370149 | ||
https://hackaday.com/2019/11/03/hackaday-links-november-3-2019/ | Hackaday Links: November 3, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"arpanet",
"astronomy",
"exoplanets",
"hackaday links",
"hackerspace",
"internet",
"lead-acid",
"makerspace",
"packet-switching",
"recycling",
"Starliner"
] | Depending on how you look at it,
the Internet turned 50 years old last week
. On October 29, 1969, the first message was transmitted between two of the four nodes that made up ARPANET, the Internet’s predecessor network. ARPANET was created after a million dollars earmarked for ballistic missile defense was diverted fr... | 17 | 5 | [
{
"comment_id": "6192372",
"author": "monsonite",
"timestamp": "2019-11-04T00:32:18",
"content": "I can think of better, less toxic ways of spending my day. And his life expectancy is ……?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192375",
"auth... | 1,760,373,698.480183 | ||
https://hackaday.com/2019/11/03/smallkat-an-adorable-and-dynamic-robot/ | SmallKat: An Adorable And Dynamic Robot | Gerrit Coetzee | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"dynamic",
"robot",
"SmallKat"
] | SmallKat is a cute little robot with a lot of capability
designed around teaching and experimenting with dynamic robot control. It’s a shame we haven’t covered SmallKat yet, as it’s both a finalist in the
2019 Hackaday Prize
and was one of the
Bootstrap Winners
this year.
Many hobby robots move by repeating a pre-progr... | 11 | 3 | [
{
"comment_id": "6192358",
"author": "cb88",
"timestamp": "2019-11-03T22:35:37",
"content": "Robotics like this really needs to move beyond using those ear grating servos with limited lifespans and poor cost to performance… the design of the oprndog robot for instance should be possible to scale dow... | 1,760,373,698.710467 | ||
https://hackaday.com/2019/11/03/diy-cassette-tape-guitar-delay/ | DIY Cassette Tape Guitar Delay | Rich Hawkes | [
"Musical Hacks"
] | [
"cassette tape",
"cassette tape hack",
"guitar effects",
"tape delay"
] | Digital delay pedals are pretty good nowadays and even the cheaper ones do a pretty good job at emulating the sound of old analog delay effects. And that’s good, because the original delay effects can run you a pretty penny. If you’re in to DIY electronics, though, analog delay effects can still be built without breaki... | 19 | 8 | [
{
"comment_id": "6192332",
"author": "Before and/or After Science",
"timestamp": "2019-11-03T19:37:06",
"content": "If only Fripp had known about this! Slowing the motor to increase the delay approaches 0 as a limit in terms of fidelity. What you need to do is increase the distance between the hea... | 1,760,373,698.659252 | ||
https://hackaday.com/2019/11/03/eth0-autumn-2019-tiny-camp-creative-badge/ | Eth0 Autumn 2019: Tiny Camp, Creative Badge | Jenny List | [
"cons",
"Hackaday Columns"
] | [
"badgelife",
"eth0",
"hacker camp",
"Netherlands"
] | The Dutch organisation
eth0
has run a series of informal small camps over the years, never with an attendance too far into three figures, and without pre-planned events or entertainment. What happens is at the instigation of the attendees, and the result is a weekend of much closer socialising and working together on p... | 12 | 3 | [
{
"comment_id": "6192389",
"author": "Ren",
"timestamp": "2019-11-04T02:58:52",
"content": "What is the “critter” printed on the badge?A badger?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192425",
"author": "Anne Jan Brouwer",
"timestamp... | 1,760,373,698.881492 | ||
https://hackaday.com/2019/11/03/intercontinental-radio-communications-with-the-help-of-fly-fishing-reels/ | Intercontinental Radio Communications With The Help Of Fly Fishing Reels | Danie Conradie | [
"Radio Hacks"
] | [
"antenna",
"antenna build",
"ham radio",
"wireless communications"
] | All of us have experience in trying to explain to a confused store assistant exactly what type of kitchen implement you’re looking for, and why it is a perfectly suitable part for your autonomous flying lawn mower. Or in the case of [MM0OPX] trying to find fly fishing reels that are suitable for his
Adjustiwave multi-b... | 3 | 3 | [
{
"comment_id": "6192336",
"author": "Bored Dad",
"timestamp": "2019-11-03T19:54:42",
"content": "MM0OPX? This is a great example of one should use a font with slashes through the zeros and clearly different digit 1 vs letter l.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,373,699.025029 | ||
https://hackaday.com/2019/11/03/the-5-fpga/ | The $5 FPGA | Al Williams | [
"FPGA"
] | [
"china",
"fpga"
] | You ever wonder exactly what’s inside that cheap stuff you get from China? Sometimes it is cheap parts you’ve never heard about. Case in point: if you are willing to import, you can score an
FPGA board for about $5
. The downside? You’ve probably never heard of the GOWIN Semi GW1N — one of the Little Bee FPGAs — that’... | 60 | 19 | [
{
"comment_id": "6192233",
"author": "David Given",
"timestamp": "2019-11-03T08:44:16",
"content": "Does anyone know what voltage the GPIO pins are? AFAICT the docs don’t say. I’m desperately looking for one of these boards with 5V TTL I/O.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,699.19157 | ||
https://hackaday.com/2019/11/02/massive-3d-printed-ridable-tank-boggles-the-mind/ | Massive 3D-Printed Ridable Tank Boggles The Mind | Danie Conradie | [
"3d Printer hacks",
"Transportation Hacks"
] | [
"3d printed",
"3d printer",
"large 3d prints",
"tank",
"tracked vehicle"
] | Anyone who has used an FDM 3D printer knows just how long the process can take, especially when you really start filling up the available print volume. Apparently [Ivan Miranda] has absolutely zero fear of insanely long print times, and is in the process of building a
massive ridable tank
(YouTube playlist of the whole... | 19 | 9 | [
{
"comment_id": "6192224",
"author": "Nik",
"timestamp": "2019-11-03T07:32:06",
"content": "his maniacal cackle makes this ridiculous concept palatable",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6192226",
"author": "mime",
"timestamp": "2019-11-03T... | 1,760,373,698.989037 | ||
https://hackaday.com/2019/11/02/rarely-adjusted-slicer-setting-makes-a-difference/ | Rarely Adjusted Slicer Setting Makes A Difference | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"slicer"
] | When you 3D print something, you probably adjust the layer height based on your desired print quality. Speed is another parameter that many people adjust. But what about extrusion width? The parameter is there, but most people leave it at the defaults. [Stephan] wondered about it, and after
running some tests
, made a ... | 11 | 6 | [
{
"comment_id": "6192216",
"author": "mrehorst",
"timestamp": "2019-11-03T04:50:12",
"content": "A few years ago I made the mistake of letting Slic3r set the line widths automagickly. It set infill smaller than the nozzle diameter which was a disaster. I have never trusted it to set the line width... | 1,760,373,698.931532 | ||
https://hackaday.com/2019/11/02/a-new-method-for-growing-watch-springs/ | A New Method For Growing Watch Springs | Sharon Lin | [
"clock hacks",
"Misc Hacks"
] | [
"Bill of materials",
"electroplating",
"fabrication",
"watch springs",
"watchmaking"
] | Scientists at the Swiss Federal Laboratories for Materials Science and Technology (Empa) recently developed a new technique for
growing watch springs
to tiny specifications. As it turns out, the creation of watch springs is ripe with opportunity for new materials research.
The technique involves using photo-etching and... | 26 | 7 | [
{
"comment_id": "6192184",
"author": "tnerbur",
"timestamp": "2019-11-02T23:21:40",
"content": "This is similar to the work being done by Firehouse Horology (https://firehousehorology.com/silicon) in NY. In addition to being able to produce hairsprings, they’ve also been able to produce escapements ... | 1,760,373,699.094489 | ||
https://hackaday.com/2019/11/02/forget-printing-labels-for-your-bathtub-hooch-why-not-engrave-the-bottle/ | Forget Printing Labels For Your Bathtub Hooch, Why Not Engrave The Bottle? | Gerrit Coetzee | [
"cnc hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"bottle",
"engraver",
"plotter",
"wine"
] | [BlueFlower] sends in
this cool wine bottle engraver
. It’s a simple machine that reminds us of the
infamous EggBot.
One axis can move in x and z while the other axis rotates the work piece. The EggBot works in spherical coordinates while this one lives in a cylindrical world.
The base of the device appears to be an ol... | 20 | 8 | [
{
"comment_id": "6192162",
"author": "captnmike",
"timestamp": "2019-11-02T20:12:50",
"content": "Some companies are starting to print directly onto the glass to get rid of the paper label",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192166",
"aut... | 1,760,373,699.248248 | ||
https://hackaday.com/2019/11/02/the-3d-printers-scanners-and-art-robots-of-maker-faire-rome/ | The 3D Printers, Scanners, And Art Robots Of Maker Faire Rome | Mike Szczys | [
"3d Printer hacks",
"cons",
"Hackaday Columns",
"Robots Hacks"
] | [
"2019 Maker Faire Rome",
"drawing robots",
"Industruino",
"infinite build volume",
"resin printer",
"robot arm"
] | How is it possible that a robot can sketch both better
and
worse than I can at the same time, and yet turn out an incredible work of art? Has 3D-scanning really come so far that a simple camera and motorized jig can have insane resolution? These are the kinds of questions that were running through my mind, and being an... | 7 | 3 | [
{
"comment_id": "6192157",
"author": "RetiredHobgoblin",
"timestamp": "2019-11-02T19:50:22",
"content": "Did Massimo Banzi give those guys permission to use the name Industruino?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192252",
"author": "Art... | 1,760,373,699.322867 | ||
https://hackaday.com/2019/11/02/ir-hack-turns-kids-lamp-into-temp-display/ | IR Hack Turns Kid’s Lamp Into Temp Display | Jenny List | [
"LED Hacks"
] | [
"bme280",
"ESP8266"
] | Sometimes a clever hack of an off-the-shelf product can come courtesy of its dismantling and hardware modification, but at other times the most elegant of hacks can be made without ever turning a screwdriver. [Brian Lough] was given the request by a friend to replicate a commercial child’s night light that changed colo... | 2 | 2 | [
{
"comment_id": "6192094",
"author": "Danjovic",
"timestamp": "2019-11-02T14:26:29",
"content": "Hey, that’s a cool project! No… it ‘a warm!!! lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6192156",
"author": "echodelta",
"timestamp": "2019-11-02T... | 1,760,373,699.456689 | ||
https://hackaday.com/2019/11/02/router-rebooter-without-the-effort/ | Router Rebooter Without The Effort | Jenny List | [
"home hacks"
] | [
"mosfet",
"rebooter",
"router"
] | It’s one of the rituals of our age, rebooting the family router when the bandwidth falters. Flip the power, and after half a minute or so your YouTube video starts up again. Consumer-grade router hardware is not the most reliable computing equipment you will own, as [Nick Sayer] found out when the router at his vacatio... | 67 | 22 | [
{
"comment_id": "6192056",
"author": "trandi",
"timestamp": "2019-11-02T11:51:32",
"content": "here’s another example of an ESP8266 based router switcher:https://trandi.wordpress.com/2018/01/14/custom-remote-wifi-mains-socket-switch/",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,699.41813 | ||
https://hackaday.com/2019/11/02/these-maple-pod-inspired-drones-silently-carry-payloads/ | These Maple Pod Inspired Drones Silently Carry Payloads | Sharon Lin | [
"drone hacks"
] | [
"drone",
"nature-inspired",
"robot"
] | Researchers from the Singapore University of Technology and Design (SUTD) recently released a video showing their
nature-inspired drone
that is capable of breaking out into five separate smaller drones. The drones each have auto-rotating wings that slow their rate of descent, similar to seed pods from a maple tree. Due... | 15 | 4 | [
{
"comment_id": "6192045",
"author": "Giorgio Filardi",
"timestamp": "2019-11-02T10:40:30",
"content": "Great design for cluster bombs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6192053",
"author": "AKA the A",
"timestamp": "2019-11-02T11... | 1,760,373,699.504929 | ||
https://hackaday.com/2019/11/01/atari-tape-drive-turned-security-dvr/ | Atari Tape Drive Turned Security DVR | Tom Nardi | [
"Raspberry Pi",
"Video Hacks"
] | [
"atari",
"cassette drive",
"dvr",
"retrocomputer",
"tape drive",
"video recording",
"vintage"
] | We know that a lot of our beloved readers don’t take kindly to abuse of vintage hardware, so the Atari fans in the audience may want to avert their eyes for this one. Especially if they’re particularly keen on spinning up their
Jawbreaker
cassette on authentic hardware, as
[iot4c] has gutted an Atari XC12 Program Recor... | 11 | 6 | [
{
"comment_id": "6192023",
"author": "I_Think_Stuff",
"timestamp": "2019-11-02T07:11:09",
"content": "But is gutting a steel enclosure and re-gutting really a hack? Let me propose (and I am admittedly not capable of this) Using a deep learning neural network, w/ the camera input. AI sees a face no... | 1,760,373,699.561415 | ||
https://hackaday.com/2019/11/01/sparc-cpu-in-a-cheap-fpga/ | SPARC CPU In A Cheap FPGA | Al Williams | [
"FPGA"
] | [
"cpu",
"fpga",
"leon",
"sparc"
] | There was a time when SPARC CPUs were the sole realm of pricey Sun workstations, but now you can put one on an FPGA with just a little trouble. The problem is you need a fairly big FPGA which isn’t always cheap unless someone goes out of business and you get lucky. [Ttsiodras] picked up a Pano logic thin client. Pano w... | 12 | 5 | [
{
"comment_id": "6191992",
"author": "Gregg Eshelman",
"timestamp": "2019-11-02T02:06:45",
"content": "If these thin clients have audio and decent graphics capability… classic arcade emulation with much of the hardware replicated in the FPGA?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,373,699.744519 | ||
https://hackaday.com/2019/11/01/josef-prusa-wants-you-to-change-file-formats/ | Josef Prusa Wants You To Change File Formats | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"3MF",
"prusa"
] | We’ve all been there. You find that cool cat model on Thingiverse — we won’t judge. You download the STL, all ready to watch the magic of having it materialize on your print bed. But the slicer complains it isn’t manifold or watertight or something like that. What a let down. Part of this is due to shortcomings in the ... | 65 | 21 | [
{
"comment_id": "6191960",
"author": "fhunter",
"timestamp": "2019-11-01T23:10:04",
"content": "Another format, another day.“There are now 15 competing standards”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191968",
"author": "RW ver 0.0.1",
... | 1,760,373,699.698943 | ||
https://hackaday.com/2019/11/01/adding-usb-c-to-the-ts100/ | Adding USB-C To The TS100 | Tom Nardi | [
"Tool Hacks"
] | [
"portable soldering iron",
"ts100",
"USB C",
"USB-PD"
] | The TS100 is a popular entry into the new breed of small temperature-controlled soldering irons that, at least for some of us, have started to replace the bulky soldering stations of old. Unfortunately, one downside of this particular model is the need to plug it into a fairly ungainly laptop-style power supply, which ... | 6 | 3 | [
{
"comment_id": "6192013",
"author": "Derek Scritchfield",
"timestamp": "2019-11-02T04:55:04",
"content": "I used the same chip to an female xt60 so I can still use the silicon cable I got from RDQ.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6192065",
... | 1,760,373,699.786249 | ||
https://hackaday.com/2019/11/01/announcing-the-take-flight-with-feather-contest/ | Announcing The “Take Flight With Feather” Contest | Dan Maloney | [
"contests"
] | [
"adafruit",
"contest",
"design for manfacture",
"digi-key",
"Feather",
"manufacturability",
"shield"
] | The Adafruit Feather is the latest platform for microcontroller development, and companies like Particle, Sparkfun, Seeed Studios, and of course Adafruit are producing Feather-compatible devices for development and prototyping. Now it’s your turn!
The Take Flight With Feather contest
challenges you to design a board to... | 9 | 5 | [
{
"comment_id": "6191928",
"author": "thantik",
"timestamp": "2019-11-01T19:24:06",
"content": "If they didn’t charge $15 shipping on $2 parts – sure.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191985",
"author": "Chris Miller",
"timesta... | 1,760,373,701.486971 | ||
https://hackaday.com/2019/11/01/fbus-an-extensible-and-easily-configurable-fpga-based-daq/ | FBus: An Extensible And Easily Configurable FPGA Based DAQ | Gerrit Coetzee | [
"FPGA",
"The Hackaday Prize"
] | [
"DAQ",
"data acquisition systems",
"fpga",
"symbiflow"
] | [flow] is a little disillusioned with commercial Data Acquisition Systems (DAQs) and channeled his frustration into his own, very cool,
FPGA based solution
.
The project takes form as a back plane into which various cards can be slotted. The the interface is just a PCI-e connector. If you need analog input, simply inse... | 4 | 3 | [
{
"comment_id": "6191925",
"author": "RW ver 0.0.1",
"timestamp": "2019-11-01T19:17:43",
"content": "Wow a card allowing HDMI output from a PCI-e bus, wherever would you get one of those?!?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191944",
"au... | 1,760,373,701.390494 | ||
https://hackaday.com/2019/11/01/dsp-spreadsheet-frequency-mixing/ | DSP Spreadsheet: Frequency Mixing | Al Williams | [
"Hackaday Columns",
"Skills",
"Slider"
] | [
"dsp",
"signal processing",
"spreadsheet"
] | Circuit simulation and software workbooks like Matlab and Jupyter are great for being able to build things without a lot of overhead. But these all have some learning curve and often use clever tricks, abstractions, or library calls to obscure what’s really happening. Sometimes it is clearer to build math models in a s... | 18 | 10 | [
{
"comment_id": "6191894",
"author": "RP",
"timestamp": "2019-11-01T17:18:44",
"content": "“Turns out, adding in the frequency domain looks like multiplication in the time domain, so we actually want to multiply the two signals together.”I’m not understanding this. Since you’re simulating the analo... | 1,760,373,701.882778 | ||
https://hackaday.com/2019/11/01/hackaday-podcast-042-capacitive-earthquakes-grbl-on-esp32-solenoid-engines-and-the-ti-99-space-program/ | Hackaday Podcast 042: Capacitive Earthquakes, GRBL On ESP32, Solenoid Engines, And The TI-99 Space Program | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"555",
"5g",
"earthquake",
"earthquake detector",
"entropy",
"Grbl_ESP32",
"Hackaday Podcast",
"kerbal space program",
"soft robotics",
"speaking clock",
"TI-99"
] | Hackaday Editors Elliot Williams and Mike Szczys talk turkey on the latest hacks. Random numbers, art, and electronic geekery combine into an entropic masterpiece. We saw Bart Dring bring new life to a cool little multi-pen plotter from the Atari age. Researchers at UCSD built a very very very slow soft robot, and a br... | 3 | 2 | [
{
"comment_id": "6191943",
"author": "Luke",
"timestamp": "2019-11-01T21:36:32",
"content": "One thing in 5G is that the protocol and network have more flexibility towards different types of devices.For example, NB-IoT is a “5G” technology. It’s sort of a competing technology, because similar provis... | 1,760,373,701.533261 | ||
https://hackaday.com/2019/11/01/ploopy-open-source-trackball-keeps-rolling-along/ | Ploopy Open Source Trackball Keeps Rolling Along | Al Williams | [
"hardware",
"Microcontrollers"
] | [
"mouse",
"trackball"
] | We’ll be honest. When we first heard about a mouse, we weren’t convinced. The argument was that business people weren’t familiar with computers. That didn’t ring true since every business person in the last century had at least seen a typewriter keyboard, but most of them had never seen a mouse before the 1980s. The mo... | 35 | 11 | [
{
"comment_id": "6191864",
"author": "Gwendolyn the first (@BodyByEstrogen)",
"timestamp": "2019-11-01T16:11:46",
"content": "They seem to only care about right handed people (aka people who can easily find trackballs) . And the way the circuit boards are laid out it doesn’t seem that you could make... | 1,760,373,701.643137 | ||
https://hackaday.com/2019/11/01/this-week-in-security-project-zeros-iphone-bbc-the-onion-rooting-androids-and-more/ | This Week In Security: Project Zero’s IPhone, BBC The Onion, Rooting Androids, And More | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [] | The always interesting Project Zero has a pair of stories revolving around security research itself. The first, from this week, is all about
one man’s quest to build a debug iPhone for research
. [Brandon Azad] wanted iOS debugging features like single-stepping, turning off certain mitigations, and using the LLDB debug... | 11 | 5 | [
{
"comment_id": "6191824",
"author": "zoobab",
"timestamp": "2019-11-01T14:34:14",
"content": "Any idea how the BBC managed to get a .onion address that starts by bbcnews*.onion?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191831",
"author": "Arm... | 1,760,373,701.437707 | ||
https://hackaday.com/2019/11/01/raspberry-pi-nas-makes-itself-at-home-in-donor-pc/ | Raspberry Pi NAS Makes Itself At Home In Donor PC | Tom Nardi | [
"computer hacks",
"Raspberry Pi"
] | [
"heatsink",
"nas",
"pc case",
"raspberry pi",
"server"
] | It’s safe to say that most of us have at least one Raspberry Pi hanging from a USB cable someplace, silently hammering away at some unglamorous task that you’d rather not do on a “real” computer. With as cheap as they are, it’s not like there’s a big concern about where it sets up shop. But if you’re like [Jeremy S. Co... | 49 | 12 | [
{
"comment_id": "6191782",
"author": "Ben",
"timestamp": "2019-11-01T11:51:19",
"content": "I watched the video to see what this “hook and loop fastener” was. Velcro everyone. It’s velcro.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191786",
"a... | 1,760,373,701.744337 | ||
https://hackaday.com/2019/10/31/superconference-interview-ted-yapo/ | Superconference Interview: Ted Yapo | Kristina Panos | [
"cons",
"Interviews"
] | [
"2019 Hackaday Superconference",
"livestream",
"Supercon"
] | We’re just two weeks away from the fifth annual Hackaday Superconference, the single biggest gathering of hardware enthusiasts on at least one continent. It’s gearing up to be great, and we’re super excited for the opportunity to bring you such a diverse array of talks, workshops, and more.
What makes Supercon so great... | 2 | 1 | [
{
"comment_id": "6191717",
"author": "Garrett Mace",
"timestamp": "2019-11-01T02:33:28",
"content": "Excited to check out this talk! Worried about the badge though, no news yet…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191852",
"author": "Elli... | 1,760,373,701.570635 | ||
https://hackaday.com/2019/10/31/high-precision-air-bearing-cnc-lathe-and-grinder/ | High-Precision Air Bearing CNC Lathe And Grinder | Maya Posch | [
"cnc hacks"
] | [
"cnc",
"diy lathe",
"grinder",
"lathe"
] | You know you’re in for a treat when you are told that a lathe which can reach a resolution of one micrometer (
1×10
−6
, a millionth of a meter, or 0.00004″ for people who love zeros) is ‘not hard to build’. This is one of the opening statements
in this video
by [Dan Gelbart], as he walks the viewer through the detail... | 27 | 9 | [
{
"comment_id": "6191473",
"author": "Cree",
"timestamp": "2019-10-31T15:46:14",
"content": "His presentation of the piston is rather impressive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6191482",
"author": "joerg",
"timestamp": "2019-10-31T16:02... | 1,760,373,701.818198 | ||
https://hackaday.com/2019/10/31/linuxs-marketing-problem/ | Linux’s Marketing Problem | Bryan Cockfield | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"linux",
"marketing"
] | The cult classic movie
Office Space
is a scathing critique of life for software engineers in a cubicle farm, and it did get a lot of things right even if it didn’t always mean to. One of those is the character of Tom Smykowski whose job is to “deal with the customers so the engineers don’t have to”. The movie treats To... | 265 | 48 | [
{
"comment_id": "6191442",
"author": "Samir Naya... Naya.... Notgonnaworkhereanymore",
"timestamp": "2019-10-31T14:31:41",
"content": "“I have people skills, dammit! What the hell is wrong with you?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191478",
... | 1,760,373,702.224855 | ||
https://hackaday.com/2019/10/31/building-an-open-hardware-ebook-reader/ | Building An Open Hardware EBook Reader | Tom Nardi | [
"handhelds hacks",
"Kindle hacks"
] | [
"Adafruit Feather",
"ATSAMD51N19A",
"CircuitPython",
"ebook",
"ereader",
"foss",
"libre",
"Open Book Project",
"open hardware"
] | On the whole, hackers aren’t overly fond of other people telling them what they can and cannot do with the hardware or software they’ve purchased. Unfortunately, it’s becoming more and more difficult to avoid DRM and other Draconian rules and limitations as time goes on. Digital “eBooks” and the devices that are used t... | 27 | 15 | [
{
"comment_id": "6191400",
"author": "mime",
"timestamp": "2019-10-31T11:03:09",
"content": "This is pretty cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6191410",
"author": "Phate191",
"timestamp": "2019-10-31T12:23:05",
"content": "The Ital... | 1,760,373,702.435451 | ||
https://hackaday.com/2019/10/31/be-anyone-or-anything-with-facial-projection-mask/ | Be Anyone Or Anything With Facial Projection Mask | Dan Maloney | [
"Misc Hacks"
] | [
"cosplay",
"costume",
"dlp",
"facial recognition",
"mask",
"projector",
"raspberry pi"
] | In the market for a low-poly change to your look? Hate the idea of showing up for a costume party only to find out someone is wearing the same mask as you? Then
this face changing front-projection mask
may be just the thing for you.
To be honest, we’re not sure just how much [Sean Hodgins]’ latest project has to do wit... | 18 | 11 | [
{
"comment_id": "6191378",
"author": "MP",
"timestamp": "2019-10-31T08:14:41",
"content": "Very cool!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191384",
"author": "Robert Mateja",
"timestamp": "2019-10-31T09:11:47",
"content": "... | 1,760,373,702.705976 | ||
https://hackaday.com/2019/10/30/amstrad-portable-gets-a-modern-lcd-transplant/ | Amstrad Portable Gets A Modern LCD Transplant | Tom Nardi | [
"computer hacks",
"Retrocomputing"
] | [
"Amstrad",
"lcd",
"portable computer",
"restoration",
"retrocomputing"
] | Playing classic games on the real hardware is an experience many of us enjoy, but sometimes the hardware is just a bit
too
retro for modern sensibilities. A case in point is the miserable monochrome LCD that was originally installed in the Amstrad PPC640 portable 8086 PC that [Drygol] recently picked up. He decided tha... | 5 | 3 | [
{
"comment_id": "6191356",
"author": "Luke",
"timestamp": "2019-10-31T06:45:14",
"content": "Many of the EGA era games used timing tricks that amount to sub-pixel rendering on a real CRT or an equivalent LCD of the era. How does that work with the converted signal?",
"parent_id": null,
"dept... | 1,760,373,702.532347 | ||
https://hackaday.com/2019/10/30/multimeter-display-perked-up-with-nixies-leds-and-neon-tubes/ | Multimeter Display Perked Up With Nixies, LEDs, And Neon Tubes | Dan Maloney | [
"Tool Hacks"
] | [
"display",
"hewlett packard",
"HP 3478A",
"lcd",
"multimeter",
"neon",
"nixie",
"transflective"
] | Just because something is newer than something else doesn’t automatically make it better. Of course the opposite is also true, but when it comes to displays on bench multimeters, a fancy LCD display is no guarantee of legibility. Take the Hewlett Packard HP 3478A multimeter; the stock transflective display with its 14-... | 6 | 5 | [
{
"comment_id": "6191337",
"author": "Steve L",
"timestamp": "2019-10-31T02:28:19",
"content": "Very nice, but my HP 5326b counter-timer-dvm CAME with Nixies and still works great; to the best of my knowledge it has never been repaired. Within 0.02 volts of a modern 4 digit meter after a few minutes... | 1,760,373,702.485325 | ||
https://hackaday.com/2019/11/01/symbiflow-open-source-fpga-toolchain/ | Symbiflow Open Source FPGA Toolchain | Gerrit Coetzee | [
"FPGA",
"Software Hacks"
] | [
"fpga",
"iCE40",
"lattice",
"symbiflow",
"verilog",
"xilinix"
] | Anyone who’s ever had the pleasure of programming FPGAs knows that it’s a land of proprietary tools that almost require marriage level commitment to a specific platform to be effective. Symbiflow hopes to solve this by becoming the
GCC of FPGAs
.
Rather than a tool built around a specific chip or architecture, Symbiflo... | 12 | 5 | [
{
"comment_id": "6191775",
"author": "Alexander Wikström",
"timestamp": "2019-11-01T11:02:09",
"content": "Having looked at making some FPGA projects myself, I do have to agree that “it’s a land of proprietary tools that almost require marriage level commitment to a specific platform to be effective... | 1,760,373,702.58282 | ||
https://hackaday.com/2019/10/31/beam-dragonfly-causes-a-flap/ | BEAM Dragonfly Causes A Flap | Al Williams | [
"Robots Hacks"
] | [
"beam",
"brass",
"brass rod",
"dragonfly",
"flashing led",
"fled",
"recycle",
"robot",
"solar engine",
"solar power",
"upcycle"
] | Normal people throw away stuff when it breaks. But not people like us. Or, apparently, [NanoRobotGeek]. A cheap robotic dragonfly died, and he cannibalized it for robot parts. But he kept the gearbox hoping to build a new dragonfly and, using some brass rod, he
did just that
.
The dragonfly’s circuitry uses a solar pan... | 11 | 3 | [
{
"comment_id": "6191742",
"author": "espectra",
"timestamp": "2019-11-01T06:17:55",
"content": "Great to see people still making BEAM robots & circuits. It’s tech that’s really worth looking into for people interested in analog electronics. Solar engines, walking robot “brains”, a solar pendulum, c... | 1,760,373,702.643992 | ||
https://hackaday.com/2019/10/31/stereolithography-goes-big/ | Stereolithography Goes Big | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"resin",
"sla",
"stereo lithography"
] | When it comes to hobby-level 3D printing, most of us use plastic filament deposited by a hot end. Nearly all the rest are using stereolithography — projecting light into a photosensitive resin. Filament printers have typical build volumes ranging from 1,000 to 10,000 cubic centimeters and even larger isn’t unusual. By ... | 14 | 9 | [
{
"comment_id": "6191718",
"author": "Ostracus",
"timestamp": "2019-11-01T02:38:30",
"content": "$1,800 about the price of a nice Threadripper PC.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6191738",
"author": "Tom",
"timestamp": "2019-11-01T05:04:... | 1,760,373,702.7634 | ||
https://hackaday.com/2019/10/31/fresh-squeezed-oj-served-in-orange-peel-ay/ | Fresh-Squeezed OJ Served In Orange Peel-Ay | Kristina Panos | [
"3d Printer hacks"
] | [
"delta printer",
"juicer",
"orange juice",
"orange peel",
"PLA"
] | Though it’s really more apple cider weather here at Hackaday HQ, freshly-squeezed OJ is a treat that knows no season. Sure generates a lot of peel, though. Not something you think about when you’re used to buying it in jugs at the grocery store. What a waste, huh?
Italian design firm [Carlo Rotti] teamed up with global... | 25 | 8 | [
{
"comment_id": "6191675",
"author": "dendad",
"timestamp": "2019-10-31T23:56:35",
"content": "Great!A very effective crowd pleaser I’m sure.I’m working on building my own filament maker but had not thought of orange peel!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,373,702.839344 | ||
https://hackaday.com/2019/10/31/five-channel-monitor-keeps-boat-batteries-shipshape/ | Five Channel Monitor Keeps Boat Batteries Shipshape | Tom Nardi | [
"Arduino Hacks",
"Transportation Hacks"
] | [
"arduino nano",
"battery monitor",
"marine",
"TFT display",
"voltage"
] | While those of us stuck sailing desks might not be able to truly appreciate the problem, [Timo Birnschein] was tired of finding that some of the batteries aboard his boat had gone flat. He wanted some way to check the voltage on all of the the batteries in the system simultaneously and display the information in a cent... | 22 | 11 | [
{
"comment_id": "6191599",
"author": "LightningPhil",
"timestamp": "2019-10-31T20:16:29",
"content": "Favourite way of checking a large lead acid battery for “has some punch left” is a spanner across the terminals. Spark means yes.Perhaps to automate this, some robot arms could be programmed to und... | 1,760,373,702.969041 | ||
https://hackaday.com/2019/10/31/bee-minder-proves-not-even-bees-are-safe-from-surveillance-states/ | Bee Minder Proves Not Even Bees Are Safe From Surveillance States | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"bees",
"LoRa"
] | We all know how important bees are to our ecosystems and [Kris Winer]’s
bee monitor
provides a great way to monitor these amazing but delicate creature’s habitats, hopefully alerting us before a disaster strikes a vital hive.
The board is based around LoRa sensor tile called Cicada but redesigned to make it smaller and... | 11 | 6 | [
{
"comment_id": "6191577",
"author": "Ren",
"timestamp": "2019-10-31T19:31:37",
"content": "From the Cayenne website Terms of Service.“The Services collect, analyze and store data submitted from your IoT-enabled devices, including, without limitation, mobile devices (collectively, “Devices”) that ar... | 1,760,373,702.892455 | ||
https://hackaday.com/2019/10/31/saintcon-badge-is-an-enigma-no-more/ | Saintcon Badge Is An Enigma No More | Kerry Scharfglass | [
"cons",
"Hackaday Columns",
"hardware",
"Slider"
] | [
"addon",
"badge",
"badgelife",
"conference badge",
"minibadge",
"saintcon",
"sao",
"security conference"
] | Through the weekend Twitter has been a-titter with news coming out of Saintcon, the annual security conference in Provo, Utah. Now that the weekend is over we can finally get our hands on
full hardware and software sources
for the curvy, LED-covered badge we’ve been salivating over and a
write up by its creators
[
comp... | 14 | 6 | [
{
"comment_id": "6191527",
"author": "zaprodk",
"timestamp": "2019-10-31T17:47:41",
"content": "Too bad they completely and utterly f*cked out the sound on the video and a bunch others on the channel. Someone should study audio setup before releasing videos with such an atrocious soundtrack.",
"... | 1,760,373,703.510856 | ||
https://hackaday.com/2019/10/30/godot-machine-is-the-project-youve-been-waiting-for/ | Godot Machine Is The Project You’ve Been Waiting For | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"chaos",
"entropy",
"joule thief",
"random number generator",
"waiting for godot"
] | Are you waiting for something that may never happen? Maybe it’s the end of your ennui, or the release of Half Life 3. While you wait, why not build a Godot Machine? Then you can diversify your portfolio and wait for two things that could happen today, tomorrow, or at sunrise on the 12th of Never.
The Godot Machine
is a... | 17 | 8 | [
{
"comment_id": "6191133",
"author": "im-pro",
"timestamp": "2019-10-30T08:30:41",
"content": "Reminds me on my old project:https://im-pro.at/index.php/projekte/2007-paranormal-detektor",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191183",
"author... | 1,760,373,703.441345 | ||
https://hackaday.com/2019/10/29/mozilla-webthings-an-open-platform-for-building-iot-devices/ | Mozilla WebThings: An Open Platform For Building IoT Devices | Gerrit Coetzee | [
"home hacks",
"Raspberry Pi"
] | [
"home",
"IoT",
"mozilla",
"raspberry pi",
"security",
"web things",
"webthings"
] | Mozilla recently officially released their
IoT platform
. This framework comes with “Gateway” software that can run on a Raspberry Pi and a framework that can run on any number of devices.
As we’ve seen, IoT is a
dubious prospect
for consumers. When you throw in all the privacy issues, support issues, and end-of-life i... | 24 | 8 | [
{
"comment_id": "6191118",
"author": "hackadave",
"timestamp": "2019-10-30T05:54:05",
"content": "From a quick glance at the web site it seems promising in that it doesn’t seem to pass all your data through a third party server. I haven’t read enough yet to determine whether your data stays private ... | 1,760,373,703.631884 | ||
https://hackaday.com/2019/10/29/numpy-comes-to-micro-python/ | Numpy Comes To Micro Python | Gerrit Coetzee | [
"Arduino Hacks",
"Microcontrollers"
] | [
"fft",
"matrix",
"microcontroller",
"micropython",
"numpy",
"python",
"ulab"
] | [Zoltán] sends in his very interesting implementation of a
NumPy-like library for micropython called ulab.
He had a project in MicroPython that needed a very fast FFT on a micro controller, and was looking at all of the options when it occurred to him that a more structured approach like the one we all know and love in... | 12 | 8 | [
{
"comment_id": "6191129",
"author": "oidesio",
"timestamp": "2019-10-30T07:44:00",
"content": "I’m stil waiting for mrubyc or micro ruby",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191164",
"author": "Pat Whetman",
"timestamp": "2019-10-... | 1,760,373,703.368773 | ||
https://hackaday.com/2019/10/29/scratch-building-a-lathe-from-pieces-of-granite/ | Scratch Building A Lathe From Pieces Of Granite | Tom Nardi | [
"Tool Hacks"
] | [
"granite",
"lathe",
"machine tools",
"scratch built",
"sliding"
] | As hackers, we’re well accustomed to working with what we have on hand. That’s the name of the game, really. A large majority of the projects that have graced these pages are the direct result of trying to coerce a piece of hardware or software into doing something it was never designed to do, for better or for worse.
... | 12 | 6 | [
{
"comment_id": "6191083",
"author": "Arthur Wolf",
"timestamp": "2019-10-29T23:03:27",
"content": "Part of my work is modernizing old CNC mills, and in the PCB milling world I’ve seen several using granite slabs as the Y axis. It works surprisingly well. I guess a lot of work goes into initially ma... | 1,760,373,703.682417 | ||
https://hackaday.com/2019/10/29/an-esp32-clock-with-a-transforming-led-matrix/ | An ESP32 Clock With A Transforming LED Matrix | Tom Nardi | [
"clock hacks",
"LED Hacks"
] | [
"3D printed enclosure",
"clock",
"ESP32",
"folding",
"led matrix",
"ntp",
"reed switch"
] | Over the years we’ve seen countless ways of displaying the current time, and judging by how many new clock projects that hit the tip line, it seems as though there’s no end in sight. Not that we’re complaining, of course. The latest entry into the pantheon of unusual timepieces is this
ESP32-powered desk clock from [Al... | 5 | 4 | [
{
"comment_id": "6191068",
"author": "dendad",
"timestamp": "2019-10-29T21:48:21",
"content": "I like it :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6191069",
"author": "danjovic",
"timestamp": "2019-10-29T22:07:34",
"content": "Nicely built ... | 1,760,373,703.563507 | ||
https://hackaday.com/2019/10/29/a-cnc-designed-hacked-together-in-pajamas/ | A CNC Hacked Together In Pajamas | Gerrit Coetzee | [
"Laser Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"grbl",
"laser engraver",
"linear rail"
] | Sometimes you just gotta sit down and hack something together. Forget the CAD and the cool software toys; just hammer away until you have something working. That’s how [bobricus]
ended up with this cute little laser engraver anyway.
For under $300 US of parts and a few nights working in his pajamas, the aptly named, pa... | 11 | 8 | [
{
"comment_id": "6191017",
"author": "zaprodk",
"timestamp": "2019-10-29T18:42:52",
"content": "Surely there is some words missing in the title. It makes no sense. Maybe “DESIGNED /AND/ HACKED” would make more sense …",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,373,703.73098 | ||
https://hackaday.com/2019/10/29/josephine-peary-first-lady-of-the-arctic/ | Josephine Peary, First Lady Of The Arctic | Kristina Panos | [
"Biography",
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"Arctic circle",
"Arctic exploration",
"Josephine Peary",
"North Pole",
"Robert Peary"
] | In the late nineteenth century, there was only one Earthly frontier left to discover: the North Pole. Many men had died or gone insane trying to reach 90°N, which, unlike the solidly continental South Pole, hides within a shifting polar sea.
One of history’s most driven Pole-seekers, Robert Peary, shocked the world whe... | 24 | 14 | [
{
"comment_id": "6190993",
"author": "reboots",
"timestamp": "2019-10-29T17:13:26",
"content": "“She also hunted and managed the group’s Inuit employees.”Perhaps this shocking sentence is missing a comma?@Kristina Panos, thanks for the article!",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,373,703.982536 | ||
https://hackaday.com/2019/10/28/check-your-halloween-candy-for-malicious-payloads/ | Check Your Halloween Candy For Malicious Payloads | Lewin Day | [
"Holiday Hacks"
] | [
"badusb",
"halloween",
"holiday hacks"
] | There’s long been much handwringing around Halloween around the prospect of pins, needles and razor blades being hidden in candy and passed out to children. On the very rare occasion this does happen, the outcome is normally little more than some superficial cuts. However, for 2019,
[MG] has developed an altogether dif... | 31 | 9 | [
{
"comment_id": "6190770",
"author": "Alexander Wikström",
"timestamp": "2019-10-28T20:33:11",
"content": "Quick dirty solution to most HID attacks is to perform a test for each new keyboard/mouse that is plugged in.For example, we can require it to enter a randomly generated string of characters, o... | 1,760,373,703.911565 | ||
https://hackaday.com/2019/10/28/sixi-2-an-open-source-3d-printable-6-axis-robot-arm/ | Sixi 2, An Open Source 3D Printable 6 Axis Robot Arm | Gerrit Coetzee | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"arduino",
"cycloidal gearbox",
"robot arm"
] | [Dan Royer] is taking some inspiration from Prusa’s business and is trying to build the same sort of enterprise around open source 3D printable robot arms. His
6 axis robot arm is certainly a strong first step on that road.
As many people have learned,
DIY robot arms are pretty difficult.
[Dan]’s arm has the additional... | 5 | 3 | [
{
"comment_id": "6190734",
"author": "TheWizard",
"timestamp": "2019-10-28T18:22:36",
"content": "Just what the doctor ordered. Another flimsy, slow, robot arm.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190806",
"author": "Strathe",
"ti... | 1,760,373,704.024964 | ||
https://hackaday.com/2019/10/28/the-young-engineers-guide-to-career-planning/ | The Young Engineers Guide To Career Planning | Lewin Day | [
"Hackaday Columns",
"Interest",
"Original Art",
"Slider"
] | [
"career advice",
"careers",
"college",
"engineering",
"university"
] | It’s often said that engineers aren’t born, they’re made. Or more accurately, taught, tested, and accredited by universities. If you’re in high school, you’re probably starting to think about potential career paths and may be considering an engineering degree. A lot of work goes into a good college application, and it ... | 41 | 17 | [
{
"comment_id": "6190719",
"author": "Suimi",
"timestamp": "2019-10-28T17:30:23",
"content": "The final project choice had a large and unexpected impact on steering my career path. The same also holds for many of my former EE university colleagues. I wish I knew it.",
"parent_id": null,
"dep... | 1,760,373,704.117852 | ||
https://hackaday.com/2019/10/28/satnogs-update-hack-chat/ | SatNOGS Update Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"altitude",
"antenna",
"azimuth",
"downlink",
"ephemeris",
"Ground Station",
"network",
"satellite",
"SatNOGS",
"The Hack Chat",
"tracking"
] | Join us on Wednesday, October 30 at noon Pacific for the
SatNOGS Update Hack Chat
with
Pierros Papadeas
and the SatNOGS team!
Ever since the early days of the Space Race, people have been fascinated with satellites. And rightly so; the artificial moons we’ve sent into orbit are engineering marvels, built to do a diffic... | 3 | 3 | [
{
"comment_id": "6190722",
"author": "Doug",
"timestamp": "2019-10-28T17:45:12",
"content": "Where now that most of my days are free, I may have a chance to sit in on the chats. Where apps abound, why not use UTC time. While Iuse my iPhone to track UTC,it’s always in my mind that UTC precedes my loc... | 1,760,373,704.164092 | ||
https://hackaday.com/2019/10/28/solenoid-engine-adds-three-pistons/ | Solenoid Engine Adds Three “Pistons” | Bryan Cockfield | [
"Engine Hacks"
] | [
"camshaft",
"coil",
"crankshaft",
"electric",
"electromagnet",
"engine",
"lathe",
"machine",
"solenoid",
"v4"
] | The earliest piston engines typically had only one cylinder, and at best, produced horsepower measured in single digits. But once you have a working engine, it’s a relatively short step to adding cylinders and increasing the power output. [Emiel] made a similar upgrade to one of his engines recently, upgrading it from ... | 9 | 4 | [
{
"comment_id": "6190754",
"author": "Doug",
"timestamp": "2019-10-28T19:17:51",
"content": "More like engineering for kicks, than practical engineering, no problem we all need a diversion, and his shop is more practical than a full on bass boat for the weekend fisherperson. I did drown worms on oc... | 1,760,373,704.308209 | ||
https://hackaday.com/2019/10/28/hacking-mars-insight-mole-is-on-the-move-again/ | Hacking Mars: InSight Mole Is On The Move Again | Dan Maloney | [
"Current Events",
"Engineering",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"duricrust",
"HP3",
"jpl",
"lander",
"mars",
"nasa",
"penetrator",
"regolith",
"space",
"The Mole"
] | Your job might be tough, but spare a thought for any of the engineers involved in the Mars InSight lander mission when they learned that one of the flagship instruments aboard the lander, indeed the very instrument for which the entire mission was named, appeared to be a dud. That’s a bad day at work by anyone’s standa... | 23 | 9 | [
{
"comment_id": "6190673",
"author": "KD9KCK",
"timestamp": "2019-10-28T14:10:34",
"content": "And now it actually pushed itself out of the whole.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190684",
"author": "Dan Maloney",
"timestamp": ... | 1,760,373,704.434942 | ||
https://hackaday.com/2019/10/28/electricity-makes-soft-robotics-more-like-us-meatbags/ | Electricity Makes Soft Robotics More Like Us Meatbags | Kristina Panos | [
"Arduino Hacks",
"Robots Hacks"
] | [
"arduino",
"elastomer",
"soft robotics"
] | Building a future where robots work alongside humans relies heavily on soft robotics. Typically this means there will be an air compressor or a hydraulic system nearby, taking up precious space. But it doesn’t have to.
Engineers at the UC-San Diego Jacobs School have created
a soft robotics system that uses electricity... | 6 | 4 | [
{
"comment_id": "6190656",
"author": "slantcadence",
"timestamp": "2019-10-28T12:18:02",
"content": "So, basically, they’ve made a slug? Gotta creep before you crawl…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190744",
"author": "Matt Cramer",
... | 1,760,373,704.251101 | ||
https://hackaday.com/2019/10/29/peep-these-ultra-real-3d-printed-eyeballs/ | Peep These Ultra-Real 3D-Printed Eyeballs | Kristina Panos | [
"3d Printer hacks",
"how-to"
] | [
"animatronic eyes",
"automaton",
"resin casting",
"silicone casting",
"thread"
] | For humans, life is in the eyes. Same deal with automatons. The more realistic the eyes, the more lifelike (and potentially disturbing) the automaton is. [lkkalebob] knows this. [lkkalebob] is so dedicated to ocular realism in
his ultra-real eyeballs
that he’s perfected a way to make the minuscule veins from a whisper ... | 10 | 7 | [
{
"comment_id": "6190963",
"author": "Stu",
"timestamp": "2019-10-29T15:38:40",
"content": "That username really threw me off because I was just thinking this looks exactly like what Will Cogley presented a week or two ago – Turns out it’s the same person!",
"parent_id": null,
"depth": 1,
... | 1,760,373,704.3658 | ||
https://hackaday.com/2019/10/29/the-basics-of-persistence-of-vision-projects/ | The Basics Of Persistence Of Vision Projects | Lewin Day | [
"Hackaday Columns",
"LED Hacks",
"Skills",
"Slider"
] | [
"led",
"persistance of vision",
"persistence of vision",
"POV",
"POV display"
] | Persistence of Vision (POV) is a curious part of the human visual system. It’s the effect by which the perception of an image lingers after light has stopped entering the eye. It’s why a spinning propeller appears as a disc, and why a burning sparkler appears to leave a trail in the air. It’s also commonly used as a di... | 6 | 1 | [
{
"comment_id": "6190967",
"author": "Jerry",
"timestamp": "2019-10-29T15:47:16",
"content": "I first witnessed POV in 1963, using a record player and a white disc, with different size wedges.A retired school teacher explained about colors having a frequency, and the speed the white wedge rotated pa... | 1,760,373,704.493524 | ||
https://hackaday.com/2019/10/29/planting-20-million-trees-using-drones-cannons-and-more-unconventional-ways/ | Planting 20 Million Trees, Using Drones, Cannons, And More Unconventional Ways | Maya Posch | [
"drone hacks",
"green hacks"
] | [
"droneseed",
"reforestation",
"team trees",
"teamtrees"
] | When YouTuber MrBeast hit 20 million subscribers, it kicked off
the promise to plant 20 million new trees
by 2020. While seeming rather mad for a single person to attempt such a feat, the channel has begun an organized effort under the banner of ‘
Team Trees
‘. With many famous and less famous YouTubers and other onlin... | 67 | 17 | [
{
"comment_id": "6190902",
"author": "Robert Ward",
"timestamp": "2019-10-29T11:25:32",
"content": "Tree seeds, the best self replicating helpful, most beautiful robots ever!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190981",
"author": "John ... | 1,760,373,704.616378 | ||
https://hackaday.com/2019/10/29/unix-tell-all-book-from-kernighan-hits-the-shelves/ | Unix Tell All Book From Kernighan Hits The Shelves | Al Williams | [
"News",
"Software Development",
"Software Hacks"
] | [
"bell labs",
"book",
"Brian Kernighan",
"unix"
] | When you think of the Unix and C revolution that grew out of Bell Labs, there are a few famous names. Dennis Ritchie, Ken Thompson, and Brian Kernighan come to mind. After all, the K in both K&R C and in AWK stand for Kernighan. While Kernighan is no stranger to book authorship — he’s written several classics including... | 56 | 19 | [
{
"comment_id": "6190856",
"author": "John Klos",
"timestamp": "2019-10-29T08:57:35",
"content": "I am genuinely (and pleasantly) surprised that the title wasn’t, “LINUX TELL ALL BOOK FROM KERNIGHAN HITS THE SHELVES”. Thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,373,704.727526 | ||
https://hackaday.com/2019/10/28/simple-seismic-sensor-makes-earthquake-detection-personal/ | Simple Seismic Sensor Makes Earthquake Detection Personal | Dan Maloney | [
"Misc Hacks"
] | [
"555",
"capacitive",
"earthquake",
"pic",
"raspberry pi",
"seismic",
"seismometer",
"sensor"
] | When an earthquake strikes, it’s usually hard to miss. At least that’s the case with the big ones; the dozens or hundreds of little quakes that go largely unnoticed every day are interesting too, and make sense to track. That’s usually left to the professionals, with racks of sensitive equipment and a far-flung network... | 6 | 4 | [
{
"comment_id": "6190906",
"author": "kidwidget",
"timestamp": "2019-10-29T11:59:27",
"content": "Could of used a . . . oh, nevermind, he did. Nice project.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190923",
"author": "Gravis",
"timesta... | 1,760,373,704.777343 | ||
https://hackaday.com/2019/10/28/chisel-away-at-fpga-development/ | Chisel Away At FPGA Development | Al Williams | [
"FPGA"
] | [
"ASIC",
"chisel",
"fpga",
"scala",
"verilog"
] | Most of the time if you were to want to develop for an FPGA, you might turn to Verilog or VHDL. Both of these are quite capable, but they are also firmly rooted in languages that are old-fashioned by today’s standards. There have been quite a few attempts to treat those languages as an output to some other tool — eithe... | 17 | 9 | [
{
"comment_id": "6190830",
"author": "frankbuss",
"timestamp": "2019-10-29T02:29:25",
"content": "Which features do Chisel lack?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190847",
"author": "mac012345",
"timestamp": "2019-10-29T07:07:07... | 1,760,373,704.839736 | ||
https://hackaday.com/2019/10/28/3d-printing-new-cases-for-the-ts100-soldering-iron/ | 3D Printing New Cases For The TS100 Soldering Iron | Tom Nardi | [
"Tool Hacks"
] | [
"3D printed enclosure",
"freecad",
"portable soldering iron",
"soldering iron",
"ts100"
] | About a year back, [BogdanTheGeek] found himself in need of a new case for this TS100 soldering iron. Unfortunately, while the product is often billed as being open source friendly (at least in the firmware sense), he was surprised to discover that he couldn’t find the detailed dimensions required to 3D print his own r... | 9 | 2 | [
{
"comment_id": "6190816",
"author": "Vinalon",
"timestamp": "2019-10-29T00:07:00",
"content": "They do tend to crack near the front set screw, don’t they?Very nice repair!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190844",
"author": "blkhawk",... | 1,760,373,704.887183 | ||
https://hackaday.com/2019/10/30/syringes-becomes-rockets-in-this-flying-build/ | Syringes Become Rockets In This Flying Build | Lewin Day | [
"Misc Hacks"
] | [
"syringe",
"syringes",
"vacuum"
] | Syringes have all kinds of useful applications in the workshop, from injecting fluids to helping pick up tiny components. There’s always room for a bit of levity however, and [Tom Stanton] decided to
have a play with some syringe rocket builds
.
The basic idea involves blocking the end of a syringe, and then pull the p... | 3 | 3 | [
{
"comment_id": "6191326",
"author": "Joe",
"timestamp": "2019-10-31T01:19:18",
"content": "Not exactly a rocket. It looks like a rocket but it’s just a pneumatic spring. Still neat and all",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6191339",
"author":... | 1,760,373,705.3062 | ||
https://hackaday.com/2019/10/30/rpi4-now-overclocked-net-booted-and-power-sipping/ | RPi4: Now Overclocked, Net-Booted, And Power-Sipping | Jenny List | [
"News",
"Raspberry Pi",
"Slider"
] | [
"firmware",
"patch",
"Pi 4",
"power consumption",
"Raspberry Pi 4"
] | It has now been a few months since the launch of the Raspberry Pi 4, and it would only be fair to describe the launch as “rocky”. While significantly faster than the Pi 3 on paper, its propensity for overheating would end up throttling down the CPU clock even with the plethora of aftermarket heatsinks and fans. The Ras... | 58 | 16 | [
{
"comment_id": "6191273",
"author": "Electronic Eel",
"timestamp": "2019-10-30T20:12:44",
"content": "Do they ship a version now that has a fix for the USB-C power issue? Or do current units still suffer from this problem?",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,373,705.087497 | ||
https://hackaday.com/2019/10/30/protect-your-batteries-before-you-wreck-your-batteries/ | Protect Your Batteries Before You Wreck Your Batteries | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"battery",
"lion",
"lipo",
"protection"
] | [Jan] is solving a problem many of us have had,
deeply discharging our project’s batteries
and potentially damaging the cells.
His board can handle batteries from 6 to 34 volts and supports both
LiPo or Lion batteries
. The board can be flexible about its cut-off voltage. It also has a feature we really like; the user ... | 32 | 7 | [
{
"comment_id": "6191258",
"author": "John Q Public",
"timestamp": "2019-10-30T19:15:18",
"content": "Wouldn’t a high inrush of current melt those solder joints the connectors are connected to?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191260",
... | 1,760,373,705.156485 | ||
https://hackaday.com/2019/10/30/retrotechtacular-the-speaking-clock-goes-silent/ | Retrotechtacular: The Speaking Clock Goes Silent | Dan Maloney | [
"Hackaday Columns",
"Retrotechtacular"
] | [
"clock",
"optical",
"photocell",
"soundtrack",
"speaking clock",
"telco",
"telephone"
] | It used to be that time was a lot more relative than it is today. With smartphones synced to GPS and network providers’ clocks, we all pretty much have access to an authoritative current time, giving few of us today the wiggle room to explain a tardy arrival at work to an impatient boss by saying our watch is running s... | 28 | 17 | [
{
"comment_id": "6191219",
"author": "Khai",
"timestamp": "2019-10-30T17:08:06",
"content": "“not only did the phone companies a lot of money with them”Make?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6191229",
"author": "Joe",
"timestamp... | 1,760,373,705.264076 | ||
https://hackaday.com/2019/10/30/brachiograph-a-simple-and-cheap-pen-plotter/ | Brachiograph: A Simple And Cheap Pen-Plotter | Maya Posch | [
"classic hacks",
"Robots Hacks"
] | [
"art",
"brachiograph",
"drawing",
"drawing robot",
"pantograph"
] | The
BrachiGraph project
consists out of two parts, the hardware design for a servo-driven drawing arm (pen plotter) and software utilities (written in Python) that allow the drawing arm’s servos to be controlled in order to convert a bitmap image into a collection of lines that can be used to draw an image resembling t... | 7 | 5 | [
{
"comment_id": "6191221",
"author": "smellsofbikes",
"timestamp": "2019-10-30T17:10:17",
"content": "The depth of the documentation on this project is amazing, in addition to how cool the hardware-cost-to-result ratio is.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,373,705.201289 | ||
https://hackaday.com/2019/10/30/5g-is-for-robots/ | 5G Is For Robots | Gerrit Coetzee | [
"Current Events",
"Engineering",
"Featured",
"Network Hacks",
"Original Art",
"Slider"
] | [
"5g",
"cellphone",
"cellular",
"ehf",
"fr2",
"machine learning",
"microwave",
"robots"
] | Ecclesiastes 1:9 reads “What has been will be again, what has done will be done again; there is nothing new under the sun.” Or in other words, 5G is mostly marketing nonsense; like 4G, 3G, and 2G was before it. Let’s not forget LTE, 4G LTE, Advance 4G, and Edge.
Just a normal everyday antenna array in a Seattle parking... | 45 | 26 | [
{
"comment_id": "6191186",
"author": "K.Kong",
"timestamp": "2019-10-30T14:19:36",
"content": "Is 5G merely the replacement of last mile (or last 100m) cables with wireless (millimeter wave)? In which case, the game will not be restricted to telcos. Any business or contractor experienced in providin... | 1,760,373,705.397124 | ||
https://hackaday.com/2019/10/30/3d-scanner-for-tiny-objects-uses-blu-ray-parts/ | 3D Scanner For Tiny Objects Uses Blu-Ray Parts | Lewin Day | [
"3d Printer hacks",
"classic hacks"
] | [
"3d scanner",
"microscope",
"Photogrammetry"
] | There’s plenty of different methods to build a 3D scanner, with photogrammetry being a particularly accessible way to do it. This involves taking a series of photos from different angles to build up the geometry of the model. If you want to do this with something small, instead of a camera, just substitute a microscope... | 13 | 4 | [
{
"comment_id": "6191166",
"author": "NiHaoMike",
"timestamp": "2019-10-30T12:53:03",
"content": "I thought he was going to use the optical assembly to find distances, it turns out a DVD or CD drive can also be repurposed and those are way easier to come by.",
"parent_id": null,
"depth": 1,
... | 1,760,373,705.490938 | ||
https://hackaday.com/2019/10/28/worlds-smallest-midi-synth-now-even-better/ | World’s Smallest MIDI Synth, Now Even Better | Dan Maloney | [
"Musical Hacks"
] | [
"DIN plug",
"midi",
"polyphonic",
"stm32",
"synth",
"synthesizer"
] | We’re pretty sure there’s no internationally recognized arbiter of records like “World’s smallest full-featured polyphonic stereo MIDI synthesizer that fits in a DIN shell”. If there isn’t, there sure should be, and we’re pretty sure
[mitxela]’s Flash-Synth would hold that particular record
.
This is one of those lesso... | 6 | 2 | [
{
"comment_id": "6190625",
"author": "Martin Fasani",
"timestamp": "2019-10-28T09:08:27",
"content": "Absolutely stunning! Are you planning to sell this in Tindie or anywhere @mitxela ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6190651",
"autho... | 1,760,373,705.440334 |
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