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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2017/12/07/my-kingdom-for-a-capacitor/ | My Kingdom For A Capacitor | Tom Nardi | [
"Featured",
"hardware",
"Slider"
] | [
"components",
"desoldering",
"hardware",
"salvage"
] | While working on a project recently, I required a capacitor of around 1000 μF and went rummaging through my collection of parts. No luck there. At that point I’d usually go through my collection of junk electronics and computer motherboards,
but I had recently gone through and tossed the stuff
that had been laying arou... | 148 | 42 | [
{
"comment_id": "4239332",
"author": "nidude",
"timestamp": "2017-12-07T15:24:33",
"content": "desoldering is how i often spend a sunday afternoon. never used any of the parts yet though. or any of my bought parts either really. solutions?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,572.066975 | ||
https://hackaday.com/2017/12/07/junkyard-rc-conversion-looks-like-mad-max-extra/ | Junkyard RC Conversion Looks Like Mad Max Extra | Tom Nardi | [
"Android Hacks",
"car hacks"
] | [
"arduino",
"junkyard",
"linear actuator",
"remote control"
] | Over the years we’ve noticed that there is a subset of hackers out there who like to turn real life vehicles into remote controlled cars. These vehicles are generally destroyed in short order, either by taking ridiculous jumps, or just smashing them into stuff until there’s nothing left. In truth that’s probably what m... | 13 | 5 | [
{
"comment_id": "4239145",
"author": "AKA the A",
"timestamp": "2017-12-07T12:26:05",
"content": "Wonder how long it’s going to take until someone uses an R/C vehicle to do bad things (vehicle bomb/”Carmagedon IRL” or ther “nice” possibilities)…",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,571.242056 | ||
https://hackaday.com/2017/12/07/the-incredible-shrinking-coin-cell-battery-pack/ | The Incredible Shrinking Coin Cell Battery Pack | Kristina Panos | [
"how-to",
"Misc Hacks"
] | [
"coin cell",
"cr2032",
"heat shrink",
"shrink tubing",
"stranded wire"
] | How’s it going with your project for
the coin cell challenge
? You can only use a single one, but
Hackaday alum [Jeremy S Cook] has a great way to package coin cells into a sleek little power packs
whether you need one, two, or even four.
[Jeremy] is building a wireless Wii nunchuk, so he needs a small battery that won... | 15 | 7 | [
{
"comment_id": "4239066",
"author": "Unferium",
"timestamp": "2017-12-07T11:04:50",
"content": "This is how the laptop manufacturers make their replaceable RTC battery packs.They usually use a thin plastic film that thickens to 0.25mm when shrunk and thus has almost the exact footprint of the cell ... | 1,760,374,571.399982 | ||
https://hackaday.com/2017/12/06/print-a-plywood-bending-jig/ | Print A Plywood Bending Jig | Kristina Panos | [
"Tool Hacks"
] | [
"3d printed jig",
"bentwood",
"jig",
"plywood",
"wood veneer"
] | Ever wanted to bend plywood but don’t have the equipment or the space to use it? Whatever the issue, dust off those project ideas and
take a look at [Ryo Kosaka]’s experimental bending jig
.All you need are some boards, a couple of fasteners, and [Ryo]’s 3-D printed connectors.
This is quite the elegant solution for be... | 10 | 4 | [
{
"comment_id": "4238998",
"author": "Name",
"timestamp": "2017-12-07T09:36:13",
"content": "No idea what you are building? Just call it a lamp!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4239080",
"author": "echodelta",
"timestamp": "2017-12-07T11... | 1,760,374,571.867684 | ||
https://hackaday.com/2017/12/06/plcs-in-your-browser/ | PLCs In Your Browser | Al Williams | [
"Microcontrollers"
] | [
"ladder logic",
"plc"
] | If your usual tools are the Arduino and the Raspberry Pi, you might find it surprising that the industrial world tends to run on Programmable Logic Controllers, or PLCs. You can think of a PLC as a very rugged industrial Arduino, but it’s best not to take that analogy too far. Some PLCs are very simple and some are qui... | 31 | 11 | [
{
"comment_id": "4238661",
"author": "Gibby",
"timestamp": "2017-12-07T03:11:46",
"content": "I design electrical system schematics for industrial control systems, and write quite a bit of ladder logic.For those that may not know, PLCs vs Arduino is about the same as Marauder vs Kia Sorento.",
"... | 1,760,374,571.464635 | ||
https://hackaday.com/2017/12/05/disrupting-the-computer-industry-before-it-existed-rear-admiral-grace-hopper/ | Disrupting The Computer Industry Before It Existed: Rear Admiral Grace Hopper | Christian Trapp | [
"Biography",
"Featured",
"Slider"
] | [
"cobol",
"compiler",
"computing history",
"grace hopper",
"women in technology"
] | The feature of being easier to write than assembly is often seen as the biggest advantage of high-level programming languages. The other benefit that comes with them is portability. With high-level languages, algorithms can be developed independently from the underlying hardware. This allows software to live on once th... | 32 | 13 | [
{
"comment_id": "4236483",
"author": "Flik",
"timestamp": "2017-12-05T18:23:04",
"content": "Never forget… She was the killer of an innocent moth!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4236662",
"author": "steven",
"timestamp": "2017... | 1,760,374,571.762842 | ||
https://hackaday.com/2017/12/05/3d-print-yourself-a-flame-thrower/ | 3D Print Yourself A Flame Thrower | Lewin Day | [
"classic hacks"
] | [
"fire",
"flame thrower",
"flamethrower",
"radio control"
] | For a large proportion of the world’s population, it’s now winter, which means there’s plenty of rain and snow to go around. With the surrounding environment generally cooler and wetter than usual, it’s a great time to experiment with dangerous flame based projects, like this
wrist mounted flame thrower
.
It’s a build ... | 20 | 10 | [
{
"comment_id": "4236355",
"author": "Internet",
"timestamp": "2017-12-05T16:41:01",
"content": "Look, I understand the premise behind taking ideas and iterating and improving them that this site generally focuses on.But urging users to use junk bin parts for every single project just seems a bit to... | 1,760,374,571.824077 | ||
https://hackaday.com/2017/12/05/the-british-drone-law-reaches-parliament/ | The British Drone Law Reaches Parliament | Jenny List | [
"drone hacks",
"Hackaday Columns"
] | [
"drone",
"drone laws",
"law",
"multirotor",
"parliament"
] | We’ve brought you a variety of stories over the years covering the interface between multirotor fliers and the law, and
looked at the credibility gap
between some official incident reports and the capabilities of real drones. In the news this week is a proposed new law in front of the British House of Commons that woul... | 52 | 22 | [
{
"comment_id": "4236208",
"author": "DkE",
"timestamp": "2017-12-05T15:22:49",
"content": "It often surprises me that the politicians are passing laws for things that seem, at least to me, to be well covered.Can’t fly in controlled airspace? Is it not already against the law to endanger other peopl... | 1,760,374,571.564625 | ||
https://hackaday.com/2017/12/05/grabbing-raw-images-from-a-new-russian-satellite/ | Grabbing Better Images From A Newer Russian Satellite | Will Sweatman | [
"News",
"Radio Hacks"
] | [
"ham",
"radio",
"satellite",
"software-defined radio",
"weather"
] | The Soviet Union took the world by surprise when it sent its Sputnik satellite into low earth orbit way back in 1957. The event triggered a space race between the Soviets and the United States and ushered in technologies that would go on to touch the lives of every human on earth. Today, several nations have a space pr... | 46 | 13 | [
{
"comment_id": "4236014",
"author": "tysonpower",
"timestamp": "2017-12-05T12:15:11",
"content": "Could you please Change the title? This satellite is not new at all and LRPT is also far away from RAW Images.The RAW/Full res Images are transmitted at L-band (AHRPT) or x-Band.There is also a tutoria... | 1,760,374,571.689361 | ||
https://hackaday.com/2017/12/05/making-a-motorized-turntable-portable/ | Making A Motorized Turntable Portable | James Hobson | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"display",
"Fusion 360",
"magnets",
"portable",
"turntable"
] | [Robin Reiter] needed a better way to show off his work. He previously converted an electric TV stand into a full 360-degree display turntable, but it relied on an external power supply to get it spinning. It was time to
give it an upgrade.
Putting his spacial organization skills to work, [Reiter] has crammed a mini OL... | 2 | 2 | [
{
"comment_id": "4235946",
"author": "kmpres",
"timestamp": "2017-12-05T10:05:21",
"content": "Very nice! Great use of FFW so we don’t get bored with the nuts and bolts of construction. Also like the black rubber gloves used for every step of the assembly, not just the soldering. I’m going to hav... | 1,760,374,571.605262 | ||
https://hackaday.com/2017/12/04/upgrading-a-usb-soldering-iron/ | Upgrading A USB Soldering Iron! | James Hobson | [
"ATtiny Hacks",
"Tool Hacks"
] | [
"555",
"attiny13",
"iron",
"soldering",
"ZD-20"
] | Seeing the popularity of the TS-100 soldering iron, GitHub user [ole00] found himself desirous of a few of its features, but was put off by its lack of a power supply. What is a hacker to do? Find a cheaper option, and
hack it into awesomeness
.
[ole00] stumbled across the
inexpensive ZD-20U
and — despite a handful (so... | 14 | 9 | [
{
"comment_id": "4235891",
"author": "Sjaak",
"timestamp": "2017-12-05T08:26:21",
"content": "I can hear the complaints already; someone replaced a 555 for a micrcontroller!! The horror../me gets some popcorn and enjoys the show..",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,572.117548 | ||
https://hackaday.com/2017/12/04/oil-barrel-smoker/ | Oil Barrel Smoker | James Hobson | [
"home hacks"
] | [
"barrel",
"drum",
"food",
"meat",
"oil",
"Smoked",
"smoker"
] | What would you do with a pair of oil drums and a craving for delicious food? Like any sane person, redditor [Kilgore_nrw] made the logical choice and
built a smoker
.
To make the build easier, he picked up a double barrel stove kit which came with a door, hinges, legs
and flue connectors. While fixing the legs and moun... | 23 | 9 | [
{
"comment_id": "4235691",
"author": "arthurptj",
"timestamp": "2017-12-05T03:19:11",
"content": "Not a hack?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4235698",
"author": "Camel",
"timestamp": "2017-12-05T03:25:36",
"content": "... | 1,760,374,572.182435 | ||
https://hackaday.com/2017/12/06/woman-gets-diabetes-builds-own-pancreas/ | Woman Gets Diabetes, Builds Own Pancreas | Will Sweatman | [
"Medical Hacks",
"Raspberry Pi"
] | [
"artificial pancreas",
"raspberry pi"
] | For the most part, when we break out the soldering iron to make a project for ourselves – we do so for fun. Sometimes we do so for necessity. Rarely do we, however, do so to save our own lives. [Dana Lewis] is one of the 30 million people in the US who suffer from diabetes. It’s a condition where the pancreas fails to... | 64 | 19 | [
{
"comment_id": "4237611",
"author": "e",
"timestamp": "2017-12-06T12:16:41",
"content": "A great idea.The linked web site is unclear regarding the extent to which the computer running the pump is internet connected when delivering the content to the web. I would not sleep at night if my device were... | 1,760,374,572.283248 | ||
https://hackaday.com/2017/12/06/floppy-drive-music-by-emmy-winning-composer/ | Floppy Drive Music By Emmy Winning Composer | Steven Dufresne | [
"Musical Hacks"
] | [
"floppy drive",
"floppy music",
"music"
] | We’ve featured a lot of awesome music made using floppy drives before, but this is the first time we’ve seen it used as
the main instrument in a movie score
, and by Emmy winning composer [
Bear McCreary
]. The movie, in this case is alien invasion film, Revolt, but you’ve surely heard Bear’s amazing work in the reimag... | 25 | 13 | [
{
"comment_id": "4237372",
"author": "David Maunder",
"timestamp": "2017-12-06T09:30:09",
"content": "Torrent search Revolt now. Has old mate in it from Halt and Catch Fire – he hides Cameron’s floppy disks which has the source of their O/S in series 1. Bit of a coincidence or not?",
"parent_id"... | 1,760,374,572.555375 | ||
https://hackaday.com/2017/12/05/astro-cat-raspberry-pi-telescope-controller/ | Astro Cat: Raspberry Pi Telescope Controller | Tom Nardi | [
"hardware",
"Raspberry Pi"
] | [
"astrophotography",
"hat",
"INDI",
"Meade Autostar",
"raspberry pi",
"SXVR-H9",
"telescope"
] | When somebody tackles an engineering problem, there are two possible paths: they can throw together a quick and dirty fix that fits their needs (the classic “hack”, as it were), or they can go the extra mile to develop a well documented solution that helps the community as a whole. We cover it all here at Hackaday, but... | 8 | 6 | [
{
"comment_id": "4237219",
"author": "Tore Lund",
"timestamp": "2017-12-06T06:28:35",
"content": "I was faced with the same dilemma a few years back: Got a 6″ Meade Newtonian for 80$ because the controller was missing. However, this was a certain transition model so no of the available, used or new,... | 1,760,374,572.604838 | ||
https://hackaday.com/2017/12/05/easyeda-two-years-later/ | EasyEDA Two Years Later | Al Williams | [
"Tool Hacks"
] | [
"cloud",
"easyeda",
"eda",
"electronic design automation",
"pcb",
"Printed Circuit Board"
] | Some people want everything on the cloud, while others refuse to put even the smallest scrap of data on the Internet. Most of us fall somewhere in between. A few years ago, we talked about a few cloud-based PCB layout programs including one called EasyEDA. We were impressed because it was a full package: schematic capt... | 47 | 10 | [
{
"comment_id": "4237091",
"author": "Lou",
"timestamp": "2017-12-06T03:22:18",
"content": "Is auto-crap Eagle still doing stupid “rent to use” licensing?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4237657",
"author": "Will",
"timestamp":... | 1,760,374,572.742878 | ||
https://hackaday.com/2017/12/05/need-a-hand-how-about-two/ | Need A Hand? How About Two? | James Hobson | [
"3d Printer hacks",
"Wearable Hacks"
] | [
"Assist",
"augmented",
"bionic",
"cyborg",
"hand",
"prosthetic"
] | A helping hand goes a long way to accomplishing a task. Sometimes that comes in the form of a friend, and sometimes it’s a
pair of robotic hands attached to your arm
.
Italian startup [Youbionic] have developed this pair of 3D printed hands which aim to extend the user’s multi-tasking capacity. Strapped to the forearm ... | 22 | 12 | [
{
"comment_id": "4236964",
"author": "Fillmore",
"timestamp": "2017-12-06T00:05:31",
"content": "“…but with a bit of practice could end up being quite handy.”I can’t forgive that pun.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4236968",
"author": "Clar... | 1,760,374,572.663963 | ||
https://hackaday.com/2017/12/05/cnc-calculator-does-what-you-cant/ | CNC Calculator Does What You Can’t | Brian Benchoff | [
"cnc hacks"
] | [
"inches",
"millimeters"
] | The Hackaday community — and the greater hacker community — can do absolutely anything. Readers of Hackaday regularly pilot spaceships. The transmutation of the elements is a simple science project here, one easily attainable by a high school student. Hackaday readers have solved international crises, climbed Everest, ... | 67 | 18 | [
{
"comment_id": "4236647",
"author": "machinist",
"timestamp": "2017-12-05T21:09:18",
"content": "Multiply by .03937? Divide by 25.4? Omg thats amazing.Talk about using a cannon to kill a mosquito",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4236653",
... | 1,760,374,572.899144 | ||
https://hackaday.com/2017/12/05/joe-kim-where-technology-and-art-collide/ | Joe Kim: Where Technology And Art Collide | Dan Maloney | [
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"art",
"artist",
"film",
"graphics",
"hipster",
"Joe Kim",
"Saul Bass",
"technology"
] | The rewards of being a writer for Hackaday are many, but aside from the obvious perks like the secret Hackaday handshake and admission to the private writer’s washroom, having the opportunity to write original content articles is probably the best part of the job. It gets even better, though, because after you submit a... | 20 | 12 | [
{
"comment_id": "4236554",
"author": "DainBramage",
"timestamp": "2017-12-05T19:47:46",
"content": "Massive kudos to [Joe Kim]. His art is amazing, his style is unique but accessible, and he has a fantastic talent for creating images that mirror (and sometimes lightly make fun of) the articles they ... | 1,760,374,572.799426 | ||
https://hackaday.com/2017/12/04/a-futuristic-plant-to-inspire-bright-ideas/ | A Futuristic Plant To Inspire Bright Ideas | James Hobson | [
"home hacks",
"LED Hacks"
] | [
"Deus Ex",
"lamp",
"Potted Plant",
"prop",
"video game",
"vine"
] | A good video game prop can really spruce up the decor — doubly so if it’s a
glowing, futuristic potted plant
transplanted(sorry!) straight from Deus Ex: Human Revolution.
Since it’s a bit difficult to grow neon light vines, this project is more lamp than plant. The maker with the green thumb is [Phil], from [JumperOneT... | 16 | 3 | [
{
"comment_id": "4234658",
"author": "Saabman",
"timestamp": "2017-12-04T09:25:43",
"content": "One day regionally locked video will just not exist grrr. What ever JumperOneTV is :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4234690",
"author": "... | 1,760,374,572.949524 | ||
https://hackaday.com/2017/12/03/minimizing-esp8266-battery-drain/ | Minimizing ESP8266 Battery Drain | John Baichtal | [
"Wireless Hacks"
] | [
"attiny85",
"electronics",
"ESP8266",
"low power",
"wifi"
] | [Alex Jensen] wanted to build a
battery-powered weather station
, using an ESP8266 breakout board to connect to WiFi. However, [Alex]’s research revealed that the ESP chip uses around 70mA per hour when the radio is on — meaning that he’d have to change batteries a lot more than he wanted to. He really wanted a low pow... | 49 | 15 | [
{
"comment_id": "4234518",
"author": "Tucson Tom",
"timestamp": "2017-12-04T06:10:28",
"content": "Why the AT-tiny? My esp8266 weather station does it all with the ESP8266.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4234743",
"author": "Ariel",
... | 1,760,374,573.165641 | ||
https://hackaday.com/2017/12/03/meet-the-modern-meat-mans-modified-meat-safe/ | Meet The Modern Meat Man’s Modified Meat-Safe | Lauren Faris | [
"News",
"Raspberry Pi"
] | [
"3d printing",
"charcuterie",
"cured meats",
"curing",
"led",
"python",
"raspberry pi",
"remote diagnostics"
] | Charcuterie is delicious — but is it hackable? When talking about the salty preserved meats, one might be more inclined to indulge in the concept of bacon before pondering a way to integrate an electrical monitoring system into the process. However, [Danzetto] decided to do both when he did not have anywhere to cure hi... | 5 | 4 | [
{
"comment_id": "4234392",
"author": "nsayer",
"timestamp": "2017-12-04T03:05:04",
"content": "I’ve always had half a mind to convert my reflow oven controller mechanism into a sous-vide cooker. I’ve just never had enough inclination to google up a suitable water heating implement for such a contrap... | 1,760,374,573.000459 | ||
https://hackaday.com/2017/12/03/hackaday-links-december-3-2017/ | Hackaday Links: December 3, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Barco",
"ESP-32",
"Gemini PDA",
"LED panels",
"palmtop",
"pogo pins",
"techshop",
"vector",
"vector display",
"vector monitor"
] | Remember the Psion? Back when PDAs were a thing, the Psion was the best you could get. It was, effectively, a palm-top computer with a real qwerty keyboard. It didn’t have Bluetooth, it couldn’t browse the web, and it didn’t have WiFi, but this was an AA-powered productivity machine that could fit in your pocket. Now t... | 29 | 9 | [
{
"comment_id": "4234297",
"author": "nsayer",
"timestamp": "2017-12-04T00:06:29",
"content": "Well, but CRTs use Cartesian coordinates too. Even a vector screen has deflection control in X,Y, not angle and radius.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,573.073999 | ||
https://hackaday.com/2017/12/03/gesture-control-for-lunch-money/ | Gesture Control For Lunch Money | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"gesture control",
"gesture interface"
] | [Dimitris Platis] wanted to add gesture control to his PC. You’d think that would be expensive, but by combining a diminutive Arduino, a breakout board with a gesture controller, and an interconnect PCB, he managed to
pull it off for about $7
. That doesn’t include the optional
3D-printed case
and we think you could om... | 16 | 6 | [
{
"comment_id": "4234192",
"author": "Michaël Memeteau",
"timestamp": "2017-12-03T21:07:12",
"content": "There is actually a smarter and cheaper way to do almost the same thing:https://danielrapp.github.io/doppler/It’s using doppler effect on top of a sound that not audible by human ears… Very smart... | 1,760,374,573.26709 | ||
https://hackaday.com/2017/12/03/boxes-form-an-orderly-queue-behind-the-armchair/ | Boxes, Form An Orderly Queue Behind The Armchair! | Jenny List | [
"Transportation Hacks"
] | [
"hoverboard",
"hoverboard motor",
"transport"
] | If you have ever been to a hacker camp, you’ll know the problem of transporting all your stuff to your hackerspace village, or to wherever you’ll be basing yourself for the duration. The car park is always too far away, whatever trolley you’ve brought along is never big enough, and the terrain you have to drag everythi... | 13 | 4 | [
{
"comment_id": "4234175",
"author": "barry99705",
"timestamp": "2017-12-03T20:42:40",
"content": "Now that would be handy for carrying all my tools into a work site.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4234235",
"author": "John",
"timestamp... | 1,760,374,573.21645 | ||
https://hackaday.com/2017/12/03/internet-of-things-opens-possibilities/ | Internet Of Things Opens Possibilities | Bryan Cockfield | [
"hardware",
"home hacks"
] | [
"api",
"Electric Imp",
"gate",
"internet of things",
"IoT",
"liftmaster"
] | While a lot of hardware gets put on the “Internet of Things” with only marginal or questionable benefits (or with hilariously poor security), every now and then a project makes use of this new platform in a way that illustrates the strengths of IoT. [ThingEngineer] turned to this platform as a
cost-effective solution f... | 7 | 3 | [
{
"comment_id": "4233922",
"author": "Biomed",
"timestamp": "2017-12-03T15:46:11",
"content": "Actually looks quite satisfactory.Security applications will forever have flaws and yadda yadda are subject to being picked apart in virtually every aspect, this will NEVER change. Example is that fences ... | 1,760,374,573.664308 | ||
https://hackaday.com/2017/12/04/let-there-be-automated-blinds/ | Let There Be Automated Blinds! | James Hobson | [
"home hacks",
"how-to"
] | [
"alexa",
"Android Box",
"automated",
"blinds",
"light",
"RM Pro",
"roller",
"screen",
"shade"
] | More than once a maker has wanted a thing, only to find it more economical to build it themselves. When your domicile has massive windows, closing what can feel like a mile of blinds becomes a trial every afternoon — or every time you sit down for a movie. [Kyle Stewart-Frantz] had enough of that and
automated his blin... | 13 | 6 | [
{
"comment_id": "4235573",
"author": "Bob",
"timestamp": "2017-12-05T00:22:58",
"content": "I prefer blinded automobiles.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4235603",
"author": "Steven Clark",
"timestamp": "2017-12-05T01:13:08",
"conten... | 1,760,374,573.449499 | ||
https://hackaday.com/2017/12/04/slinky-walks-down-stairs-and-picks-up-80m-band/ | Slinky Walks Down Stairs And Picks Up 80m Band | Tom Nardi | [
"classic hacks",
"hardware",
"Radio Hacks"
] | [
"amateur radio",
"dipole",
"ham radio",
"RTL-SDR",
"Slinky"
] | Originally intended as a way to stabilize sensitive instruments on ships during World War II, the Slinky is quite simply a helical spring with an unusually good sales pitch. But as millions of children have found out since the 1940’s, once you roll your Slinky down the stairs a few times, you’ve basically hit the wall ... | 33 | 18 | [
{
"comment_id": "4235404",
"author": "A guy",
"timestamp": "2017-12-04T21:08:36",
"content": "I did something like this a few years ago. Mainly for the 40m band, but it worked all the same. It worked long enough until I got a better antenna.",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,374,573.625846 | ||
https://hackaday.com/2017/12/04/kristin-paget-is-hacking-carrier-grade-lte-enodeb/ | Kristin Paget Is Hacking Carrier Grade LTE ENodeB | Mike Szczys | [
"cons",
"Security Hacks"
] | [
"2017 Hackaday Superconference",
"carrier grade",
"eNodeB",
"Evolved Node B",
"Kristin Paget",
"Laws of IoT Security",
"LTE"
] | Every once in a while you get lucky and a piece of cool gear lands on your bench to tear down and explore. On that measuring stick, Kristin Paget hit the jackpot when she acquired a fascinating piece of current generation cellphone infrastructure. She’s currently researching a carrier-grade LTE eNodeB and walked throug... | 20 | 13 | [
{
"comment_id": "4235386",
"author": "Matt",
"timestamp": "2017-12-04T20:34:12",
"content": "This is the kind of stuff I love watching talks about",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4235409",
"author": "Olsen",
"timestamp": "2017-... | 1,760,374,573.847153 | ||
https://hackaday.com/2017/12/04/the-german-space-program-that-never-was/ | The German Space Program That Never Was | Tom Nardi | [
"Featured",
"History",
"Original Art",
"Space"
] | [
"Eugen Sanger",
"germany",
"space",
"V-2",
"Walter Dornberger",
"Wernher von Braun",
"world war II"
] | A previous post discussed the creation of the V-2 rocket
, the first man-made object to reach space. Designed and built at the Peenemünde Army Research Center during World War II, the V-2 was intended to be a weapon of mass destruction, but ended up being far more effective as a tool of discovery than it ever did on th... | 89 | 18 | [
{
"comment_id": "4235295",
"author": "JWHITTEN",
"timestamp": "2017-12-04T18:22:38",
"content": "Ein kleiner Schritt für einen Mann Ein großer Schritt für die Menschheit;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4235339",
"author": "Pirate La... | 1,760,374,573.788726 | ||
https://hackaday.com/2017/12/04/current-measurement-with-oscilloscopes/ | Current Measurement With Oscilloscopes | Al Williams | [
"Tool Hacks"
] | [
"agilent",
"current measurement",
"current probe",
"HP",
"Keysight",
"oscilloscope"
] | What do a Rogowski coil, a magnetic core, and a hall effect sensor have in common? They are all ways you can make oscilloscope probes that measure current. If you think of a scope as a voltage measurement device, you ought to watch the recent video from
Keysight Technology
(see below). It is true that Keysight would lo... | 19 | 7 | [
{
"comment_id": "4235243",
"author": "Mr. Z",
"timestamp": "2017-12-04T17:21:45",
"content": "Good job Mrochta! ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4235417",
"author": "steve",
"timestamp": "2017-12-04T21:22:18",
"content": "Why does ... | 1,760,374,573.98362 | ||
https://hackaday.com/2017/12/04/radiation-therapy/ | The Physics Of Healing: Radiation Therapy | Dan Maloney | [
"Featured",
"Medical Hacks",
"Slider"
] | [
"accelerator",
"cancer",
"collimator",
"ionizing radiation",
"medical",
"radiation",
"tungsten",
"x-ray"
] | Few days are worse than a day when you hear the words, “I’m sorry, you have cancer.” Fear of the unknown, fear of pain, and fear of death all attend the moment when you learn the news, and nothing can prepare you for the shock of learning that your body has betrayed you. It can be difficult to know there’s something gr... | 50 | 17 | [
{
"comment_id": "4234954",
"author": "chango",
"timestamp": "2017-12-04T15:20:00",
"content": "No article on radiotherapy is complete without mentioning Therac-25:https://hackaday.com/2015/10/26/killed-by-a-machine-the-therac-25/and the Leveson report that’s required reading for any firmware develop... | 1,760,374,573.93042 | ||
https://hackaday.com/2017/12/04/classic-tomy-toy-gets-aiy-makover/ | Classic Tomy Toy Gets AIY Makover | Jenny List | [
"Toy Hacks"
] | [
"Google AIY",
"raspberry pi",
"Tomy",
"Tomy Mr Money"
] | A few months ago the Raspberry Pi magazine
The MagPi
gave away a piece of hardware, the Google AIY voice control kit. Subscribers all received one, but as always the eBay scalpers cleaned up all the in-store copies and very few lucky enthusiasts scored a kit of their own.
Among these frustrated Pi owners was [Circuitbe... | 5 | 3 | [
{
"comment_id": "4234802",
"author": "someone",
"timestamp": "2017-12-04T12:16:25",
"content": "servo noise is killing this…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4234821",
"author": "Darren",
"timestamp": "2017-12-04T12:40:34",
... | 1,760,374,574.441049 | ||
https://hackaday.com/2017/12/03/jeep-wrangler-dome-light-mod/ | Jeep Wrangler Dome Light Mod | James Hobson | [
"how-to",
"Transportation Hacks"
] | [
"dome light",
"door",
"interior",
"Jeep",
"switch",
"vehicle",
"wrangler"
] | If you’re the owner of a Jeep Wrangler, you may have experienced some frustration with the interior dome light. For those not in the know, removing the doors on a warm day or for a bit of fun can lead to a dead battery. This happens because the Wrangler’s light stays on unless the fuse or light are removed, or a custom... | 42 | 24 | [
{
"comment_id": "4233769",
"author": "Lewin Day",
"timestamp": "2017-12-03T12:38:15",
"content": "This is a fantastic hack. Tidy, non-permanent, and using what are presumably high quality OEM components to get the job done. Love it.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,574.054265 | ||
https://hackaday.com/2017/12/03/flame-throwing-drone-is-actually-useful/ | Flame Throwing Drone Is Actually Useful | Will Sweatman | [
"drone hacks"
] | [
"drone",
"electrical grid",
"flamethrower",
"high tension",
"power lines"
] | A team in Xiangyang, China is using a flame-throwing drone to
clear debris from high voltage power lines
. These lines are made of metal of course, and are impervious to the high heat of the flames. Any type debris that gets on the lines will be charred to a cinder in just a few seconds. This is all is quite a bit safe... | 40 | 13 | [
{
"comment_id": "4232474",
"author": "Rusty",
"timestamp": "2017-12-03T09:10:45",
"content": "You’d have to be careful not to short the phases considering how conducive flames are.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4232476",
"author": "carterj... | 1,760,374,574.124223 | ||
https://hackaday.com/2017/12/02/build-your-own-digital-panel-meter/ | Build Your Own Digital Panel Meter | Jenny List | [
"hardware"
] | [
"dpm",
"lcd",
"msp430",
"panel meter"
] | A popular purchase from the usual stockists of imported electronic modules is a digital panel meter. A very small amount of money secures a module with a seven-segment display that you can stick on the front of your power supply or project for an easy readout. Even before the advent of these ultra-cheap Chinese product... | 5 | 4 | [
{
"comment_id": "4232381",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-12-03T06:38:46",
"content": "A nice build, but a shame that a nice old Heathkit SWR bridge had to give its life up to make it happen.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4... | 1,760,374,574.166159 | ||
https://hackaday.com/2017/12/02/solving-a-rubiks-cube-with-just-two-motors/ | Solving A Rubik’s Cube With Just Two Motors | Dan Maloney | [
"classic hacks",
"Robots Hacks"
] | [
"lego",
"lego mindstorms",
"PiCam",
"puzzle",
"raspberry pi",
"robotic rubik's cube solver",
"solver"
] | We’ve all seen videos of Rubik’s cube champions who can solve the puzzle in less than 5 seconds. And there are cube-twisting robots that can solve the cube even faster, often in under a second.
This Rubik’s cube solver
is not one of those robots, but it’s still pretty cool.
The reason we like Dexter Industries’ “BricKu... | 11 | 4 | [
{
"comment_id": "4232274",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-12-03T03:32:16",
"content": "Of course another way to solve the puzzle is to peel off the stickers and put them back on in the correct locations. ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,574.214693 | ||
https://hackaday.com/2017/12/02/will-your-next-whip-pack-memory-chainmail-tires/ | Will Your Next Whip Pack Memory Chainmail Tires? | John Baichtal | [
"Robots Hacks"
] | [
"chainmail",
"nasa",
"stoichiometric alloy",
"tires"
] | NASA’s Glenn Research Center is experimenting with
nickel-titanium memory alloy tires
that resemble chain mail. It’s an intriguing angle — the tires can withstand heavier loads and at higher speeds. They’re airless and immune to puncture. Presumably they’re not literally chainmail but closer to a sweater in constructio... | 37 | 18 | [
{
"comment_id": "4232171",
"author": "JackDanson",
"timestamp": "2017-12-03T00:44:12",
"content": "Assuming this works as advertised, I’m guessing it would be hell on asphalt both in terms of the ride for the driver and the damage it would do to the road.",
"parent_id": null,
"depth": 1,
... | 1,760,374,574.284398 | ||
https://hackaday.com/2017/12/02/just-in-time-for-the-holidays-give-the-gift-of-cray/ | Just In Time For The Holidays: Give The Gift Of Cray | Al Williams | [
"News"
] | [
"auction",
"cray",
"supercomputer"
] | The name Cray, as in [Seymour Cray] is synonymous with supercomputing. If you hurry, you can bid on a
Cray J90/J916 on eBay
. You might want to think about where to put it though. It is mounted on a trailer, requires 480V, and the shipping is $3,000!
First introduced in 1994, the J90 was an “entry level” machine. This ... | 24 | 7 | [
{
"comment_id": "4232037",
"author": "chango",
"timestamp": "2017-12-02T22:10:25",
"content": "Protip: don’t buy this expecting to be able to scrounge software and documentation.Most of the installation and configuration of these machines was done by Cray employees, and the rights to older collatera... | 1,760,374,574.49812 | ||
https://hackaday.com/2017/12/02/count-youtube-subscribers-with-this-red-play-button-award/ | Count YouTube Subscribers With This Red Play Button Award | Dan Maloney | [
"Misc Hacks",
"Video Hacks"
] | [
"award",
"counter",
"ESP8266",
"led matrix",
"NodeMCU",
"subscribers",
"youtube"
] | Professional YouTubers live and die by the number of subscribers they have. It seems like a brutal way to make a living to us, but to each his own. Still, if you’re going to do it, you might as well do it right, and keeping track of how you’re doing with
this Play Button Award subscriber counter
might make sense. Or it... | 5 | 4 | [
{
"comment_id": "4232146",
"author": "lpaseen",
"timestamp": "2017-12-03T00:04:44",
"content": "Not the only one with this concept, eevblog did one with nixie athttps://youtu.be/LkUkSgbINvs?t=8m45s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4232176",
... | 1,760,374,574.535712 | ||
https://hackaday.com/2017/12/02/modified-uke-keeps-the-beat-with-a-solenoid/ | Modified Uke Keeps The Beat With A Solenoid | Kristina Panos | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"mosfet",
"MOSFETS",
"percussion",
"solenoid",
"ukulele"
] | A classic one-man band generally features a stringed instrument or two, a harmonica in a hands-free holder, and some kind of percussion, usually a bass drum worn like a backpack and maybe some cymbals between the knees. The musician might also knock or tap the sound-boards of stringed instruments percussively with thei... | 13 | 5 | [
{
"comment_id": "4231676",
"author": "Arph",
"timestamp": "2017-12-02T16:26:28",
"content": "https://youtu.be/4yRY74cYXcI",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4231918",
"author": "Saabman",
"timestamp": "2017-12-02T20:00:06",
... | 1,760,374,574.723959 | ||
https://hackaday.com/2017/12/02/lisp-in-200-lines/ | Lisp In 200 Lines | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"lisp",
"literate programming"
] | Contrary to popular belief, LISP does not stand for “lots of irritating spurious parenthesis.” However, it is true that people tend to love or hate this venerable programming language. Whichever side of the fence you’re on, many of the ideas it launched decades ago have become staples of other newer languages. How much... | 16 | 7 | [
{
"comment_id": "4231469",
"author": "pelrun",
"timestamp": "2017-12-02T12:22:44",
"content": "Unfortunately the white paper can’t seem to distinguish between “8 bits” and “8 bytes”, which is worrying.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4231508",... | 1,760,374,574.809515 | ||
https://hackaday.com/2017/12/02/exploring-the-bbc-microbit-software-stack/ | Exploring The BBC Micro:Bit Software Stack | Jenny List | [
"Software Development"
] | [
"mbed",
"Micro:bit",
"software"
] | The BBC micro:bit has been with us for about eighteen months now, and while the little ARM-based board has made a name for itself in its intended market of education, we haven’t seen as much of it in our community as we might have expected.
If you or a youngster in your life have a micro:bit, you may have created code ... | 26 | 15 | [
{
"comment_id": "4231340",
"author": "LOL",
"timestamp": "2017-12-02T09:26:17",
"content": "Walled gardens get lonely — ask Adam.Mine-craft was cool, till Microsoft also gave it the sweet embrace of death by making it part of a structured curriculum.Kids are raised looking at GPU accelerated multi-c... | 1,760,374,574.906453 | ||
https://hackaday.com/2017/12/01/lego-go-kart-scores-radio-control/ | Lego Go-Kart Scores Radio Control | Lewin Day | [
"Toy Hacks"
] | [
"3d printer",
"3d printing",
"go-kart",
"gokart",
"lego",
"radio control"
] | LEGO has always been an excellent toy for both play and learning, and the Technic sets are a great starting point for any budding engineer. Not content to rest on their plastic, blocky laurels, LEGO introduced more advanced parts over the years, such as motors and battery packs to allow builders to propel their creatio... | 0 | 0 | [] | 1,760,374,574.760036 | ||
https://hackaday.com/2017/12/01/spoof-a-skimmer-for-peace-of-mind/ | Spoof A Skimmer For Peace Of Mind | Dan Maloney | [
"Security Hacks"
] | [
"bluetooth",
"crime",
"ESP8266",
"hc05",
"scanner",
"security",
"skimmer"
] | It’s a sad commentary on the state of the world when it becomes a good practice to closely inspect the card reader on every ATM and gas pump for the presence of a skimmer. The trouble is, even physically yanking on the reader may not be enough, as more sophisticated skimmers now reside safely inside the device, sipping... | 14 | 7 | [
{
"comment_id": "4231176",
"author": "atomic3",
"timestamp": "2017-12-02T06:12:42",
"content": "Recently had experience with these in the wild:https://krebsonsecurity.com/tag/insert-skimmer/Can’t tell if they were wireless or not.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,574.954151 | ||
https://hackaday.com/2017/12/01/purely-functional-selfies-thermal-printer-speaks-haskell/ | Purely Functional Selfies: Thermal Printer Speaks Haskell | Kristina Panos | [
"Raspberry Pi"
] | [
"black and white",
"haskell",
"lcd",
"python",
"raspberry pi",
"thermal receipt printer"
] | [Dan] recently got a cheap POS thermal printer to chooch remotely over ESP32.
Having conquered that project, he decided to see what else he could get the printer to do. Why not use it to print pictures
? Sure, it’s been done, but not with
Haskell
. And yeah, the pictures will be grainy and weird-ish and limited to blac... | 6 | 4 | [
{
"comment_id": "4230913",
"author": "dahud",
"timestamp": "2017-12-02T01:32:57",
"content": "“Chooch”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4230994",
"author": "someguy",
"timestamp": "2017-12-02T02:51:40",
"content": "Some... | 1,760,374,574.850624 | ||
https://hackaday.com/2017/12/01/another-new-old-computer-on-an-fpga/ | Another New Old Computer On An FPGA | Al Williams | [
"classic hacks",
"FPGA"
] | [
"fpga",
"LGP-30",
"retrocomputing",
"vintage computer",
"xilinx"
] | How would you sell a computer to a potential buyer? Fast? Reliable? Great graphics and sound? In 1956, you might point out that it was somewhat smaller than a desk. After all, in those days what people thought of as computers were giant behemoths. Thanks to modern FPGAs, you can now have
a replica of a 1956 computer
— ... | 28 | 11 | [
{
"comment_id": "4230664",
"author": "Ostracus",
"timestamp": "2017-12-01T21:09:23",
"content": "“How would you sell a computer to a potential buyer? Fast? Reliable? Great graphics and sound? In 1956, you might point out that it was somewhat smaller than a desk.”I remember when MINI-computers were a... | 1,760,374,575.015496 | ||
https://hackaday.com/2017/12/01/christine-sunu-proves-the-effect-of-being-alive-on-hardware-design/ | Christine Sunu Proves The Effect Of Being Alive On Hardware Design | Mike Szczys | [
"cons",
"Hackaday Columns",
"Robots Hacks"
] | [
"biomimicry",
"Christine Sunu",
"emotional response",
"emotions",
"lifelike",
"lifelike robots",
"uncanny valley"
] | Modeling machines off of biological patterns is the dry definition of biomimicry. For most people, this means the structure of robots and how they move, but Christine Sunu makes the argument that we should be thinking a lot more about how biomimicry has the power to make us feel something.
Her talk at the 2017 Hackaday... | 21 | 6 | [
{
"comment_id": "4230605",
"author": "Ostracus",
"timestamp": "2017-12-01T19:56:35",
"content": "“Modeling machines off of biological patterns is the dry definition of biomimicry.”Couldn’t that be said about a lot of the machines we use (except maybe the wheel)?",
"parent_id": null,
"depth":... | 1,760,374,575.288454 | ||
https://hackaday.com/2017/12/01/statistics-and-hacking-an-introduction-to-hypothesis-testing/ | Statistics And Hacking: An Introduction To Hypothesis Testing | Sean Boyce | [
"Hackaday Columns",
"how-to",
"Interest"
] | [
"math is beautiful",
"probability",
"statistics",
"testing"
] | In the early 20
th
century, Guinness breweries in Dublin had a policy of hiring the best graduates from Oxford and Cambridge to improve their industrial processes. At the time, it was considered a trade secret that they were using statistical methods to improve their process and product.
One problem they were having wa... | 20 | 7 | [
{
"comment_id": "4230546",
"author": "Ostracus",
"timestamp": "2017-12-01T19:00:58",
"content": "“In the early 20th century, Guinness breweries in Dublin had a policy of hiring the best graduates from Oxford and Cambridge to improve their industrial processes. At the time, it was considered a trade ... | 1,760,374,575.218417 | ||
https://hackaday.com/2017/12/01/calculating-like-its-1962/ | Calculating Like It’s 1962 | Dan Maloney | [
"classic hacks"
] | [
"acoustic",
"acoustic-delay memory",
"calculator",
"Cliff Stoll",
"Friden",
"germanium",
"history",
"piano wire"
] | We sometimes forget that the things we think of as trivial today were yesterday’s feats of extreme engineering. Consider the humble pocket calculator, these days so cheap and easy to construct that they’re essentially disposable. But building a simple “four-banger” calculator in 1962 was anything but a simple task, and... | 29 | 15 | [
{
"comment_id": "4230384",
"author": "Ostracus",
"timestamp": "2017-12-01T16:48:31",
"content": "“As a side note, it’s great to see the [Cliff] is still so energetic after all these years. Watching him jump about with such excitement and passion really gets us charged up.”And that’s how one stays so... | 1,760,374,575.425205 | ||
https://hackaday.com/2017/12/01/we-need-to-have-a-chat-about-something-important/ | We Need To Have A Chat About Something Important | Jenny List | [
"Current Events",
"Featured",
"Interest",
"Original Art"
] | [
"abuse",
"Captain Crunch",
"events",
"hackaday events",
"harassment"
] | Yes, I really did print this the day before the story broke.
With hindsight, I picked the wrong day to 3D print a Cap’n Crunch whistle downloaded from Thingiverse. I was covering the hackspace textile evening, so I set the Ultimaker going and headed off to spend my evening making a laptop pouch. My whistle, a reasonabl... | 247 | 50 | [
{
"comment_id": "4230269",
"author": "Steven-X",
"timestamp": "2017-12-01T15:16:30",
"content": "This is sad on many levels.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4230929",
"author": "TheRegnirps.",
"timestamp": "2017-12-02T01:46:13"... | 1,760,374,577.88703 | ||
https://hackaday.com/2017/12/01/a-teardown-of-something-you-should-not-own/ | A Teardown Of Something You Should Not Own | Brian Benchoff | [
"Teardown"
] | [
"gps",
"GPS jammer",
"jammer",
"teardown"
] | GPS jammers are easily available on the Internet. No, we’re not linking to them. Nevertheless, GPS jammers are frequently used by truck drivers and other people with a company car that don’t want their employer tracking their every movement. Do these devices work? Are they worth the $25 it costs to buy one?
That’s what... | 67 | 18 | [
{
"comment_id": "4230139",
"author": "Megol",
"timestamp": "2017-12-01T12:24:59",
"content": "One would think that someone would create a jammer for this specific purpose. One that is directed and have a maximum range of a few meters at most.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,577.228361 | ||
https://hackaday.com/2017/12/01/arduino-saves-gameboy-camera/ | Arduino Saves Game Boy Camera | Al Williams | [
"Arduino Hacks",
"Nintendo Game Boy Hacks"
] | [
"arduino",
"game boy camera",
"game boy printer",
"javascript"
] | [Brian Khuu] bought a few Game Boy cameras on the Internet and found that they still had pictures on them from the previous owners. The memory in the camera has a backup battery and if that battery dies, the pictures are history,
so he decided to mount a rescue operation
.
He knew the protocol for how the Game Boy talk... | 7 | 5 | [
{
"comment_id": "4230068",
"author": "metai",
"timestamp": "2017-12-01T10:21:07",
"content": "“found that they still had pictures on them”All of them do. As usual, “erasing” the images just sets/removes a flag in the index but does not erase the data itself. It’s a silly guilty pleasure of mine to p... | 1,760,374,577.267219 | ||
https://hackaday.com/2017/11/30/pi-replaces-keiko-chan/ | Pi Replaces Keiko-chan | Anool Mahidharia | [
"Raspberry Pi"
] | [
"PLCC-6",
"raspberry pi",
"raspberry pi hat",
"RGB LED"
] | [Tobias Kuhn] and a handful of colleagues at his workplace built
Crystal Signal Pi
, a Raspberry Pi based low-cost alternative for a notification device that provides visual, audio and network warnings about server problems. [Tobias] works for a
Japanese company
where it is critical for their servers to keep humming ni... | 20 | 4 | [
{
"comment_id": "4229872",
"author": "anon",
"timestamp": "2017-12-01T09:13:13",
"content": "Overkill. Could have done it on an ESP8266. However the more important part, some company is relying on someone’s cobbled together project to alert them about their mission critical servers!!!??",
"paren... | 1,760,374,577.630873 | ||
https://hackaday.com/2017/11/30/skelly-the-skeleton-is-a-scary-good-musician/ | Skelly The Skeleton Is A Scary Good Musician | Steven Dufresne | [
"Robots Hacks"
] | [
"robot",
"servo",
"skeleton",
"Visuino"
] | There are a lot of things to like about [BoneConstructor]’s
Skelly the skeleton robot project
. Note that we said, “project”. That’s because not only does the robot work well and is built well, but the journey he took to make it contains steps we’ve all taken ourselves. We can say that with confidence since it’s his fi... | 14 | 9 | [
{
"comment_id": "4229418",
"author": "Theo",
"timestamp": "2017-12-01T03:54:48",
"content": "I respect this so much. Why reinvent the wheel? Just build off something good-enough and then keep iterating. Great work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,374,577.45834 | ||
https://hackaday.com/2017/11/30/car-cade-build-drives-unthrottled-determination/ | Car-Cade Build Drives Unthrottled Determination | Kristina Panos | [
"Misc Hacks"
] | [
"555-cigarettes-not-timers",
"Dirt Rally",
"intel inside",
"minnowboard",
"Pimoroni",
"pimoroni picade",
"potentiometers",
"steam OS",
"subaru wrt"
] | Remember those dashboard-shaped racing games from the ’80s, like Tomy Turnin’ Turbo? [Daniel] has long wanted to bring one of those into the modern age. After finding that
someone beat him to it
, he went in another direction and
built his own mini-cabinet from the ground up, dedicated to Dirt Rally
.
The idea was to b... | 3 | 3 | [
{
"comment_id": "4229227",
"author": "Dave Davidson",
"timestamp": "2017-12-01T01:17:01",
"content": "WAITING on an ESP 32 version for my Pocket…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4230184",
"author": "Perry Levac",
"timestamp": "2017-12-01... | 1,760,374,577.074068 | ||
https://hackaday.com/2017/11/30/tis-the-season-for-terror-with-diy-krampus/ | Tis The Season For Terror With DIY Krampus | Tom Nardi | [
"Holiday Hacks"
] | [
"Christmas decoration",
"Krampus",
"PVC",
"spray foam"
] | The holiday season is full of many sounds; walking through your neighborhood on a winter night you may hear time-honored songs, the tinkling of glasses, and the laughter of good company. But if the chilly wind also brings to your ear the panicked sounds of screaming children, you may have wandered a bit to close to [Ty... | 19 | 10 | [
{
"comment_id": "4228984",
"author": "DainBramage",
"timestamp": "2017-11-30T21:56:43",
"content": "This is AWESOME!!! I’d love to have one just like it outside of my apartment door, especially since we’re in the last apartment down a long, somewhat dark hallway.",
"parent_id": null,
"depth"... | 1,760,374,577.130222 | ||
https://hackaday.com/2017/11/30/mathieu-stephan-the-making-of-a-secure-open-source-hardware-password-keeper/ | Mathieu Stephan : The Making Of A Secure Open Source Hardware Password Keeper | Brian Benchoff | [
"cons",
"Hackaday Columns",
"Security Hacks"
] | [
"2017 Hackaday Superconference",
"Mathieu",
"mooltipass",
"open hardware",
"open source"
] | Mathieu Stephan is an open source hardware developer, a Tindie seller who always has inventory, a former Hackaday writer, and an awesome all-around guy. One of his biggest projects for the last few years
has been the Mooltipass
, an offline password keeper built around smart cards and a USB interface. It’s the solution... | 19 | 4 | [
{
"comment_id": "4228807",
"author": "limpkin",
"timestamp": "2017-11-30T19:47:16",
"content": "Thanks Brian! You can’t see but I’m blushing…Anyway, nothing could have been done without the help of all the open source enthusiasts who contributed to this wonderful project!We’re indeed ironing out the... | 1,760,374,577.320738 | ||
https://hackaday.com/2017/11/30/retrotechtacular-circuit-boards-the-tektronix-way/ | Retrotechtacular: Circuit Boards The Tektronix Way | Jenny List | [
"classic hacks",
"Retrotechtacular"
] | [
"pcb",
"printed circuit boards",
"tektronix"
] | Printed circuit boards are a fundamental part of both of commercial electronic equipment and of the projects we feature here on Hackaday. Many of us have made our own, whether done so from first principles with a tank of etchant, or sent off as a set of Gerbers to a PCB fab house.
To say that the subject of today’s Ret... | 39 | 16 | [
{
"comment_id": "4228716",
"author": "jcamdr",
"timestamp": "2017-11-30T18:21:13",
"content": "Video in 240p is an atrocity. The original was most probably a chemical film without a such insane resolution limitation, even after decades of archiving.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,374,577.57673 | ||
https://hackaday.com/2017/11/30/next-weeks-bay-area-meetups/ | Next Week’s Bay Area Meetups | Brian Benchoff | [
"News"
] | [
"bay area",
"didactic galactic",
"evil mad scientist",
"meetup",
"Mitch Altman"
] | Next week we’ll be at a few awesome hardware meetups around the Bay Area, and we want you to head out and join us.
The first meetup will be the
Silicon Valley Hardware Meetup
at the Evil Mad Scientist shop in Sunnyvale. It’s going down Wednesday, December 6th, from 6:30 until 9:30. At least some of the Hackaday/Tindie/... | 8 | 6 | [
{
"comment_id": "4228601",
"author": "Ren",
"timestamp": "2017-11-30T17:04:52",
"content": "I used to follow Evil Mad Scientist, but I got tired of holiday recipes…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4228849",
"author": "Ren",
"timestamp": ... | 1,760,374,577.501705 | ||
https://hackaday.com/2017/11/30/refinishing-a-vintage-kitchenaid-mixer/ | Refinishing A Vintage KitchenAid Mixer | Tom Nardi | [
"cooking hacks",
"home hacks"
] | [
"KitchenAid",
"painting",
"respray",
"restoration"
] | If you know anyone who is serious about baking, there’s a good chance you’ve seen one of these classic KitchenAid mixers. Built to last, they are often handed down generation to generation (or at least, when a newer model comes out), which is how [Kaitlin Flannery] received hers. While it didn’t look too bad considerin... | 49 | 15 | [
{
"comment_id": "4228446",
"author": "jcwren",
"timestamp": "2017-11-30T16:05:39",
"content": "Kitchenaid Customer Service is awesome. True story, and they found me a replacement.I purchased this Accolade 400 as my first stand mixer. With greatexpectations, I awaited its arrival, with ingredients ... | 1,760,374,578.032846 | ||
https://hackaday.com/2017/11/30/life-on-contract-how-much-do-i-charge/ | Life On Contract: How Much Do I Charge? | Donald Papp | [
"Business",
"Featured",
"Slider"
] | [
"advice",
"consulting",
"costs",
"how-to",
"life on contract",
"money",
"pricing"
] | If you’re comfortable with the technical side of becoming a consultant or contractor but are unsure what to charge for your services, you’re not alone. “How much do I charge?” is a tough question, made even tougher by the fact that discussing money can be awkward, and at times virtually taboo.
As a result it’s not unco... | 63 | 27 | [
{
"comment_id": "4228026",
"author": "Ostracus",
"timestamp": "2017-11-30T15:04:32",
"content": "“Life on Contract: How Much Do I Charge?”*pinky to lips* One billion dollars!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4228070",
"author": "jcwren... | 1,760,374,578.697062 | ||
https://hackaday.com/2017/11/30/classic-furby-plus-alexa-equals-furlexa/ | Classic Furby Plus Alexa Equals… Furlexa | John Baichtal | [
"Toy Hacks"
] | [
"Amazon Alexa",
"furby",
"Pimoroni",
"raspberry pi"
] | [Zach Levine] wrote in to share a project just completed: a
classic Furby packing a Raspberry Pi running Alexa
: he calls it Furlexa.
The original Furby product wowed consumers of the 90s. In addition to animatronic movements, it also packed simulated voice learning technology that seemed to allow the Furby to learn to... | 19 | 7 | [
{
"comment_id": "4227921",
"author": "BanMENOW",
"timestamp": "2017-11-30T13:55:05",
"content": "What would you call a Furby crossed with a Raspberry Pi?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4229054",
"author": "etopsirhc",
"timesta... | 1,760,374,578.183426 | ||
https://hackaday.com/2017/11/30/rubies-are-a-3d-printers-best-friend/ | Rubies Are A 3D Printer’s Best Friend | Al Williams | [
"3d Printer hacks"
] | [
"3d printer",
"Nozzle"
] | Watching a 3D printer work always reminds us of watching a baker decorate a cake. Gooey icing squeezes out of a nozzle and makes interesting shapes and designs. While hot plastic doesn’t taste as good as icing, it does flow easily through the printer’s nozzle. Well… normal plastic, anyway. These days, advanced 3D print... | 57 | 14 | [
{
"comment_id": "4227590",
"author": "ReallyLameUsername",
"timestamp": "2017-11-30T09:36:53",
"content": "Next up, ceramic nozzles. Or brass/ceramics.Might I point out that this has already been done and in use and tested in industry in wire edm consumables? I’ve got some ceramics and diamond inser... | 1,760,374,578.547968 | ||
https://hackaday.com/2017/11/29/rage-against-the-dying-of-the-light-with-a-raspi-night-vision-camera/ | Rage Against The Dying Of The Light With A Raspi Night Vision Camera | Kristina Panos | [
"Raspberry Pi"
] | [
"camera",
"lcd",
"night vision",
"python",
"raspberry pi",
"usb"
] | One of the most interesting things about hacking is the difference between the vision we have at the beginning and the reality of we’ve built at the end.
What began as a simple plan to build a night vision VR headset turned into a five-month adventure for [facelessloser] that culminated in this great-looking camera
. H... | 8 | 4 | [
{
"comment_id": "4227215",
"author": "[skaarj]",
"timestamp": "2017-11-30T06:42:43",
"content": "We’ve also seen other interesting night vision projects here on Hackaday such as this:https://hackaday.io/project/10579-retro-futuristic-automobile-control-panel/log/44448-assistive-technologies-lets-imp... | 1,760,374,578.227096 | ||
https://hackaday.com/2017/11/29/zigbee-based-wireless-arduinos-demystified/ | Zigbee-Based Wireless Arduinos, Demystified | John Baichtal | [
"Wireless Hacks"
] | [
"2.4 ghz",
"900 mhz",
"Akiba",
"arduino",
"ATmega 1284P",
"wireless"
] | Hackday regular [Akiba] is working on a
series of video tutorials
guiding newbies into the world of the 802.15.4 wireless protocol stack — also known as ZigBee. So far, his tutorials include a “getting started with chibiArduino”, his own Arduino-based wireless library, as well as a more
basic tutorial on how radio work... | 15 | 4 | [
{
"comment_id": "4226984",
"author": "scott t",
"timestamp": "2017-11-30T03:21:42",
"content": "nice tutorial",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4227109",
"author": "Athar",
"timestamp": "2017-11-30T05:31:19",
"content": "Great idea. Ar... | 1,760,374,578.596465 | ||
https://hackaday.com/2017/11/29/intellibuoy-keeps-track-of-the-water/ | Intellibuoy Keeps Track Of The Water | John Baichtal | [
"green hacks"
] | [
"buoy",
"robot",
"sensors",
"water quality"
] | With world oceans ranging in cleanliness from pretty nasty to OMG, we need to get a handle on what exactly is going on. High School students from Hackensack, NJ built the
Intellibuoy
, a floating water quality sensor. The buoy has an anemometer and digital rain gauge up top, as well as a LED beacon to comply with marit... | 14 | 8 | [
{
"comment_id": "4226812",
"author": "Saabman",
"timestamp": "2017-11-30T00:34:36",
"content": "That looks like a great project.Obviously it’s intended for deployment for a specified time before recovery data extraction battery replacement etc.I noticed breadboard in there – I’m realy keen to see ho... | 1,760,374,578.316675 | ||
https://hackaday.com/2017/11/29/gesture-keyboard-for-universal-input/ | Gesture Keyboard For Universal Input | Brian McEvoy | [
"Arduino Hacks",
"Peripherals Hacks"
] | [] | Keyboards are currently the most universally accepted computer input devices. They may be wired, wireless, or virtual, but the chances are that you’re within a few centimeters of a keyboard right now. [Federico Terzi]
built a prototype
from an Arduino and an accelerometer which conceptually resembles writing in Palm’s ... | 14 | 7 | [
{
"comment_id": "4226554",
"author": "Matt",
"timestamp": "2017-11-29T21:15:14",
"content": "I am certain that when I’m old people will think about keyboards the way we think about rotary telephones today.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "42265... | 1,760,374,578.272682 | ||
https://hackaday.com/2017/11/28/gamify-your-workout-with-the-wearable-console-controller/ | Gamify Your Workout With This Wearable Console Controller | Dan Maloney | [
"Misc Hacks",
"Wearable Hacks"
] | [
"433 mhz",
"arduino",
"bike",
"exercise",
"fitness",
"MPU9250",
"ps4",
"recumbent",
"uno"
] | ‘Tis soon to be the season when resolutions falter and exercise equipment purchased with the best of intentions is cast aside in frustration. But with a little motivation, like
making your exercise machine a game console controller
, you can maximize your exercise gear investment and get in some guilt-free gaming to bo... | 9 | 4 | [
{
"comment_id": "4225631",
"author": "Jabberwock",
"timestamp": "2017-11-29T08:20:15",
"content": "I have an ESP32 checking hall sensors on the chain ring and sending the output to a digital potentionmeter connected in place of Logitech wheel pedals, so pedaling (back and forth) is seen by all racin... | 1,760,374,578.36006 | ||
https://hackaday.com/2017/11/28/the-chemistry-and-engineering-of-diy-photochromic-glass/ | The Chemistry And Engineering Of DIY Photochromic Glass | Dan Maloney | [
"chemistry hacks",
"Misc Hacks"
] | [
"glass",
"glassmaking",
"kiln",
"optics",
"photochromic",
"pid",
"vitrification"
] | [Ben Krasnow] is no stranger to exploring the more arcane corners of hackerdom, and the latest video on his “Applied Science” channel goes into a field few DIYers have touched:
homemade glass, including the photochromic variety
.
That DIY glassmaking remains a largely untapped vein is not surprising given what [Ben] le... | 7 | 4 | [
{
"comment_id": "4225390",
"author": "Ostracus",
"timestamp": "2017-11-29T05:12:24",
"content": "“That DIY glassmaking remains a largely untapped vein is not surprising given what [Ben] learned over the last months of experimenting. With searing temperatures bordering on the unobtainable, volatile i... | 1,760,374,578.736705 | ||
https://hackaday.com/2017/11/28/tricked-out-tablet-becomes-workbench-tool/ | Tricked-Out Tablet Becomes Workbench Tool | Dan Maloney | [
"Tablet Hacks",
"Tool Hacks"
] | [
"borescope",
"microscope",
"Nexus 9",
"silicone",
"skin",
"tablet",
"tripod",
"usb",
"workbench",
"workshop"
] | The workbench of the typical electronics hobbyist today would probably be largely recognizable by Heathkit builders back in the 60s and 70s. But where the techs and tinkerers of yesteryear would have had a real dead-tree SAMS Photofact schematic spread out on the bench, today you’ll get more use out of a flat-screen di... | 23 | 10 | [
{
"comment_id": "4224997",
"author": "Ostracus",
"timestamp": "2017-11-29T00:41:45",
"content": "“SAMS Photofact”Oddly enough still available.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4225001",
"author": "Wade",
"timestamp": "2017-11-29T00:45:40"... | 1,760,374,578.792375 | ||
https://hackaday.com/2017/11/28/a-minimalist-weather-clock-with-a-unique-display/ | A Minimalist Weather Clock With A Unique Display | Dan Maloney | [
"clock hacks",
"Misc Hacks"
] | [
"clock",
"ESP8266",
"icons",
"matrix",
"neopixel",
"P10",
"rgb",
"weather"
] | If you’re looking for a home hub to display weather, time, and important family information, the formula is pretty simple: build yet another “magic mirror” project. We’re not complaining — magic mirrors look great. But if all you need is time and weather,
this elegant pixel display
is something just a little bit differ... | 18 | 8 | [
{
"comment_id": "4224750",
"author": "Bob",
"timestamp": "2017-11-28T21:15:05",
"content": "“[Dominic] ended up giving back to the community”: God, I hate the phrase “giving back”.“Giving back” is what pre-schoolers do when they take a toy that isn’t theirs.“Giving” is what Dominic did.",
"paren... | 1,760,374,578.852742 | ||
https://hackaday.com/2017/11/28/erika-earl-manufacturing-hacks/ | Erika Earl: Manufacturing Hacks | Jenny List | [
"cons"
] | [
"2017 Hackaday Superconference",
"design for manufacturing",
"dfm",
"Erika Earl",
"manufacturing",
"Superconference"
] | Many of us will have casually eyed up the idea of turning a project into a product. Perhaps we’ve considered making a kit from it, or even taking it further into manufacture. But building a single device on the bench is an extremely different matter from having a run of the same devices built by someone else, and in do... | 16 | 4 | [
{
"comment_id": "4224712",
"author": "Brian",
"timestamp": "2017-11-28T20:46:31",
"content": "“… it’s really easy, just look at the datasheets…”“… I did not even know what regulatory standards were…”Really have the feels for the person that does the compliance engineering in her organization. Data S... | 1,760,374,578.907663 | ||
https://hackaday.com/2017/11/28/marguerite-perey-when-the-lab-assistant-gets-the-credit/ | Marguerite Perey: When The Lab Assistant Gets The Credit | Brian Benchoff | [
"Biography",
"Hackaday Columns",
"History",
"Original Art",
"Slider"
] | [
"Chemistry",
"element",
"Francium",
"periodic table",
"physics"
] | Most people obtain a bachelor’s degree before getting their masters, and even that is a prerequisite for a doctorate. Most people, however, don’t discover a new chemical element.
Marguerite Perey graduated with a chemistry diploma from Paris’ Technical School of Women’s Education in 1929, and applied for work at the Cu... | 13 | 6 | [
{
"comment_id": "4224519",
"author": "tz",
"timestamp": "2017-11-28T18:34:02",
"content": "ALPHA DECAY! Beta decay increases the atomic number by one. Alpha decreases it by 2 (helium nucleus) Actinium is 89, thus it is alpha decay to go to 87.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,578.957045 | ||
https://hackaday.com/2017/11/28/hjwydk-the-journal-our-community-has-been-awaiting/ | HJWYDK: The Journal Our Community Has Been Awaiting | Mike Szczys | [
"Hackaday Columns",
"Slider"
] | [
"associate editor",
"call for proposals",
"HJWYDK",
"Peer Review"
] | We’re excited to announce the
Hackaday Journal of What You Don’t Know
. This will be a peer-reviewed journal of white papers that goes well beyond “look what I did” and will provide full design, data, and everything else needed to reproduce the most interesting things the engineering world has to offer. It’s a complete... | 44 | 20 | [
{
"comment_id": "4224365",
"author": "Brian Benchoff",
"timestamp": "2017-11-28T16:40:49",
"content": "Don’t tell them this. It’s a great way to cull the herd.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4224386",
"author": "djsmiley2k",
"... | 1,760,374,579.032512 | ||
https://hackaday.com/2017/11/28/the-worst-piece-of-test-equipment-youve-got-to-try-hacking/ | The Worst Piece Of Test Equipment You’ve Got To Try Hacking | Jenny List | [
"Featured",
"Reviews",
"Slider",
"Teardown"
] | [
"analog multimeter",
"moving coil",
"multimeter",
"multimeter review"
] | A brand new meter in its blister pack
I have a fascination with the various online vendors of electronics and other manufactured goods from China. Here are listed the latest wonders from Shenzhen or wherever, which you can have for a surprisingly reasonable price, with the mild inconvenience of a three week wait for th... | 131 | 41 | [
{
"comment_id": "4224216",
"author": "AllenKll",
"timestamp": "2017-11-28T15:20:01",
"content": "Maybe you’re leaving something out of the article, but, uhm, you need to adjust the little plastic screw in the front of the meter to calibrate the needle no?",
"parent_id": null,
"depth": 1,
... | 1,760,374,579.354021 | ||
https://hackaday.com/2017/11/28/why-you-should-use-your-router-as-a-security-camera/ | Why You Should Use Your Router As A Security Camera | Lewin Day | [
"Wireless Hacks"
] | [
"netgear",
"router",
"security",
"security camera",
"smartphone"
] | A home security camera can be great for peace of mind, and keeping an eye on the house while you’re away. The popular option these days is an IP-based device that is accessible over the Internet through an ethernet or wireless connection to your home router. But what if you could cut out the middle man, and instead tur... | 28 | 13 | [
{
"comment_id": "4223954",
"author": "hvdvlies",
"timestamp": "2017-11-28T12:10:56",
"content": "[Lame comment]",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4223974",
"author": "g",
"timestamp": "2017-11-28T12:26:30",
"content": "[A... | 1,760,374,579.189197 | ||
https://hackaday.com/2017/11/28/russian-drone-can-lift-142-phantom-3-drones/ | Russian Drone Can Lift 142 Phantom 3 Drones | Will Sweatman | [
"drone hacks"
] | [
"drone",
"gasoline",
"russia"
] | Russia has long been known for making large machines. They hold the current record for the largest helicopter ever made – the MiL V12. Same goes for the world’s largest airplane, the Antonov An-225. Largest submarine? Yep, they made that too – the Typhoon class. It would appear they’ve thrown their hat in the drone bus... | 58 | 19 | [
{
"comment_id": "4223780",
"author": "djsmiley2k",
"timestamp": "2017-11-28T09:10:31",
"content": "Drone or Autonomous helicopter? – The line is becoming more and more blurred.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4223795",
"author": "seish... | 1,760,374,579.550374 | ||
https://hackaday.com/2017/11/27/hacker-challenge-sail-the-atlantic/ | Hacker Challenge: Sail The Atlantic | Al Williams | [
"Transportation Hacks"
] | [
"autonomous boat",
"autonomous saiboat",
"sailboat"
] | We found it incredible that — apparently —
no one has sailed an autonomous sailboat across the Atlantic
successfully. Compared to an electric craft, sail-powered platforms ought to reduce having to carry batteries or other fuel and enable long-duration missions. The problem, of course, is the sailing conditions in the ... | 26 | 13 | [
{
"comment_id": "4223727",
"author": "Murray",
"timestamp": "2017-11-28T07:42:38",
"content": "Saying that a sail boat is a better option than a (presumably) solar electric craft, because is doesn’t have to carry as many batteries, is like saying a solar PV solar is better because it doesn’t have to... | 1,760,374,579.60696 | ||
https://hackaday.com/2017/11/27/amsat-mppt-goes-to-infinity-and-beyond/ | AMSAT MPPT Goes To Infinity And Beyond | Lauren Faris | [
"Solar Hacks"
] | [
"AMSAT",
"cubesat",
"ham radio",
"mppt"
] | AMSAT, the Radio Amateur Satellite Corporation, joined forces with students from Rochester Institute of Technology to create a
MPPT attached to a Fox-1B CubeSat
. It successfully launched into orbit on November 18th strapped to the back of a Delta II rocket. This analog MPPT, or Maximum Power Point Tracker, is used for... | 19 | 6 | [
{
"comment_id": "4223604",
"author": "ssnover95",
"timestamp": "2017-11-28T04:13:06",
"content": "For more of an overview of the project, all of RIT’s senior design projects are posted on RIT’s website EDGE; it contains a little bit more information of the project as it’s being developed through dif... | 1,760,374,579.732419 | ||
https://hackaday.com/2017/11/27/over-engineered-clock-uses-no-less-than-five-esp32s/ | Over-Engineered Clock Uses No Less Than Five ESP32s | Will Sweatman | [
"Cellphone Hacks",
"Wireless Hacks"
] | [
"clock",
"ESP-32",
"wireless clock"
] | When [
Proto G
] enters into an Instructables contest whose only requirement is for the project to be wireless; he does
so with style
. Let’s put aside for a minute that he’s using a separate ESP32 board for each of the clock’s characters – that’s one for the hour, then one for the colon, one for the minutes and other ... | 18 | 11 | [
{
"comment_id": "4223411",
"author": "ping-panther",
"timestamp": "2017-11-28T00:18:57",
"content": "Is there someone out there with 19 beamers or at least CRTs?(len(“yyyy-mm-dd hh:mm:ss”) == 19)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4223413",
... | 1,760,374,579.782585 | ||
https://hackaday.com/2017/11/27/entry-level-3d-printer-becomes-budget-pcb-machine/ | Entry-Level 3D Printer Becomes Budget PCB Machine | Dan Maloney | [
"3d Printer hacks",
"Tool Hacks"
] | [
"Cetus",
"cnc",
"etching",
"g-code",
"laser",
"pcb",
"photoresist"
] | A funny thing happened on [Marco Rep]’s way to upgrading his 3D printer. Instead of ending up with a heated bed, his
$300 3D printer can now etch 0.2-mm PCB traces
. And the results are pretty impressive, all the more so since so little effort and expense were involved.
The printer in question is a
Cetus3D
, one of the... | 34 | 9 | [
{
"comment_id": "4223292",
"author": "spiritplumber",
"timestamp": "2017-11-27T21:03:39",
"content": "I’ve been doing this for a couple years, my suggestion would be to angle the laser a little bit because otherwise enough reflection will go back up into the diode that it’ll damage it over the cours... | 1,760,374,579.675612 | ||
https://hackaday.com/2017/11/29/friday-hack-chat-reverse-engineering-the-digital-compact-cassette/ | Friday Hack Chat: Reverse Engineering The Digital Compact Cassette | Brian Benchoff | [
"Hackaday Columns"
] | [
"cassette",
"digital",
"digital cassette",
"Hack Chat"
] | For this week’s Hack Chat,
we’re talking about reverse engineering the Digital Compact Cassette
. Why should we care about an obsolete format that was only on the market for four years? Because if a copy of the Spin Doctor’s
Pocket Full of Kryptonite
costs $50 USD on the used market, it
has
to be good.
In the early 19... | 33 | 7 | [
{
"comment_id": "4226450",
"author": "Antron Argaiv",
"timestamp": "2017-11-29T20:06:01",
"content": "IIRC, this format was killed by Big Music because they feared lossless copying. Which was to emerge later anyway with MP3 (although the format isn’t lossless, duplicating the files is)",
"pare... | 1,760,374,579.895059 | ||
https://hackaday.com/2017/11/29/mike-ossmann-and-dominic-spill-ir-pirates/ | Mike Ossmann And Dominic Spill: IR, Pirates! | Elliot Williams | [
"cons",
"Hackaday Columns",
"Interest",
"Interviews",
"Wireless Hacks"
] | [
"2017 Hackaday Superconference",
"dominic spill",
"fire",
"hacks",
"infrared",
"interview",
"ir",
"mike ossmann",
"modulation",
"Traffic Lights"
] | Mike Ossmann and Dominic Spill have been at the forefront of the recent wave of software-defined radio (SDR) hacking. Mike is the hardware guy, and his radio designs helped bring
Bluetooth
and
ISM-band
to the masses. Dominic is the software guy who makes sure that all this gear is actually usable. The
HackRF SDR
is sti... | 6 | 3 | [
{
"comment_id": "4226360",
"author": "matt",
"timestamp": "2017-11-29T19:04:16",
"content": "Neat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4226694",
"author": "Jim B",
"timestamp": "2017-11-29T23:00:24",
"content": "I haven’t seen the talk, ... | 1,760,374,579.824787 | ||
https://hackaday.com/2017/11/29/ask-hackaday-how-on-earth-can-a-2004-mp3-player-read-an-sdxc-card/ | Ask Hackaday: How On Earth Can A 2004 MP3 Player Read An SDXC Card? | Jenny List | [
"Ask Hackaday"
] | [
"mp3 player",
"sd",
"sd card",
"sdhc",
"SDXC"
] | What were you doing in 2004? Can you even
remember
2004? Maybe it’s like the old joke about the 1960s, if you can remember it, you weren’t really
there
, man. Cast your mind back, [Lance Armstrong] was winning the Tour de France, and SpaceShipOne made it into space.
[Gregg Eshelman], wrote to us to say that in 2004 he ... | 80 | 29 | [
{
"comment_id": "4226299",
"author": "Sjaak",
"timestamp": "2017-11-29T18:09:15",
"content": "It is obviously sent back from the future..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4226861",
"author": "Mikey C",
"timestamp": "2017-11-30T0... | 1,760,374,580.003816 | ||
https://hackaday.com/2017/11/29/coin-cell-challenge-use-coin-cell-win-prizes/ | Coin Cell Challenge: Use Coin Cell, Win Prizes | Brian Benchoff | [
"contests",
"Hackaday Columns",
"Original Art"
] | [
"coin cell",
"contest",
"contests",
"hackaday.io"
] | Today, we’re calling all hackers to do the most with a single coin cell.
It’s the Coin Cell Challenge
, and we’re looking for everything from the most low-power electronics to a supernova in a button cell battery.
Electronics are sucking down fewer and fewer amps every year. Low power is the future, and we’re wondering... | 74 | 19 | [
{
"comment_id": "4226194",
"author": "Skye",
"timestamp": "2017-11-29T16:44:53",
"content": "Quick question: is this restricted to primary cells like CR2023s, or are rechargeable coin batteries such as the LIR2032 permissible?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,580.10719 | ||
https://hackaday.com/2017/11/29/peer-review-in-the-age-of-viral-video/ | Peer Review In The Age Of Viral Video | Tom Nardi | [
"3d Printer hacks",
"Current Events",
"Featured",
"Slider"
] | [
"3d printing",
"algorithm",
"Peer Review",
"university of michigan"
] | Recently, a YouTube video has been making the rounds online which shows a rather astounding comparison between two printed models of the US Capitol.
Starting with the line “3-D PRINTERS CAN NOW PRINT TWICE AS FAST”
, the video shows that one print took four hours to complete, and the other finished in just two hours by... | 73 | 22 | [
{
"comment_id": "4226057",
"author": "Ostracus",
"timestamp": "2017-11-29T15:09:34",
"content": "“Seeing is believing” especially for a visually oriented species.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4236867",
"author": "Chinedum Okwudire",... | 1,760,374,580.219676 | ||
https://hackaday.com/2017/11/29/meatbagpnp-makes-you-the-automatic-pick-and-place/ | MeatBagPnP Makes You The Automatic Pick And Place | Anool Mahidharia | [
"Software Hacks",
"Tool Hacks"
] | [
"altium",
"bga",
"eda",
"pick and place",
"pick and place machines",
"python",
"smd"
] | It’s amazing how hackers are nowadays building increasingly complex hardware with SMD parts as small as grains of sand. Getting multilayer PCB’s and soldering stencils in small quantities for prototyping is easier than ever before. But Pick-and-Place — the process of taking parts and stuffing them on the PCB in prepara... | 36 | 10 | [
{
"comment_id": "4225902",
"author": "yetihehe",
"timestamp": "2017-11-29T12:36:37",
"content": "Now upgrade this with one of those picoprojectors so that it displays on your board a crosshair where your part should be.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,374,580.292552 | ||
https://hackaday.com/2017/11/29/high-speed-drones-use-ai-to-spoil-the-fun/ | High-Speed Drones Use AI To Spoil The Fun | Dan Maloney | [
"drone hacks"
] | [
"ai",
"computer vision",
"drone",
"google",
"image analysis",
"jpl",
"nasa",
"racing",
"uav"
] | Some people look forward to the day when robots have taken over all our jobs and given us an economy where we can while our days away on leisure activities. But if your idea of play is drone racing, you may be out of luck if
this AI pilot for high-speed racing drones
has anything to say about it.
NASA’s Jet Propulsion ... | 17 | 8 | [
{
"comment_id": "4225702",
"author": "denis",
"timestamp": "2017-11-29T09:17:52",
"content": "I for one worship our new quadcopter based overlords.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4225790",
"author": "LOL",
"timestamp": "2017-1... | 1,760,374,580.342452 | ||
https://hackaday.com/2017/11/27/iotp-the-internet-of-toilet-paper/ | IoTP: The Internet Of Toilet Paper | Dan Maloney | [
"home hacks"
] | [
"IoT",
"mpu6050",
"toilet",
"toilet paper",
"TP",
"wemos mini d1"
] | Our first impression of
this IoT toilet paper roll
was that somebody was pulling our leg. Watching the infomercial-esque video below is alternately hilarious and horrifying, but it leaves you with the unmistakable feeling that this is all a joke, and a pretty good one at that. Right up until you get to the big Kimberl... | 25 | 13 | [
{
"comment_id": "4223231",
"author": "Andy Dodd",
"timestamp": "2017-11-27T19:45:42",
"content": "Very basic but extremely important in a corporate environment:TP holder that reports a low/out-of-TP condition to lazy facilities management that doesn’t want to bother sending out staff to check TP sta... | 1,760,374,580.713356 | ||
https://hackaday.com/2017/11/27/the-flight-that-made-the-calculator-and-changed-the-world/ | The Flight That Made The Calculator And Changed The World | Steven Dufresne | [
"Featured",
"History",
"Interest",
"Slider"
] | [
"calculators",
"first calculator",
"Pocketronic",
"solid state",
"ti"
] | It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on a flight as Haggerty explained his idea for a calculator that could fit in the palm of a hand. This was a huge challenge since at that time calculators were the size of typewriters and plugged into wall sockets for their power. Kilb... | 89 | 47 | [
{
"comment_id": "4223153",
"author": "nsayer",
"timestamp": "2017-11-27T18:16:50",
"content": "I have a cute calculator story.When I was in high school, I saved my pennies for an HP41CX. That was the last calculator I used routinely, and mostly for writing and playing games. After that, mostly used ... | 1,760,374,581.075504 | ||
https://hackaday.com/2017/11/27/jeroen-domburg-miniaturizes-a-mac/ | Jeroen Domburg Miniaturizes A Mac | Dan Maloney | [
"classic hacks",
"cons",
"Slider"
] | [
"2017 Hackaday Superconference",
"mac",
"Mac Plus",
"macintosh",
"sprite",
"sprite_tm"
] | His name may not ring a bell, but his handle will — Sprite_tm, a regular to these pages and to Hackaday events around the world. Hailing from The Netherlands by way of Shanghai, Jeroen Domburg dropped by the Hackaday Superconference 2017 to give
a talk on a pet project of his
: turning a Macintosh into, well, a pet.
Yo... | 20 | 9 | [
{
"comment_id": "4223073",
"author": "Olsen",
"timestamp": "2017-11-27T16:50:09",
"content": "[Sprite-TM] never fails to amaze. What I want to build is a NEXT cube sized working CM2 powered by graphics cards, but with the style of a CM2.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,580.773118 | ||
https://hackaday.com/2017/11/27/cnc-milling-is-more-manual-than-you-think/ | CNC Milling Is More Manual Than You Think | Elliot Williams | [
"Hackaday Columns",
"Tool Hacks"
] | [
"cnc",
"machining",
"man vs machine",
"mill",
"Supplyframe Design Lab"
] | I was in Pasadena CA for the Hackaday Superconference, and got to spend some quality time at the
Supplyframe Design Lab
. Resident Engineer Dan Hienzsch said I could have a few hours, and asked me what I wanted to make. The constraints were that it had to be small enough to fit into checked luggage, but had to be cool ... | 43 | 15 | [
{
"comment_id": "4222986",
"author": "mbs",
"timestamp": "2017-11-27T15:17:34",
"content": "I used to operate a large CNC machining center. For the first few runs on a project, there is a lot of work, but after the kinks get worked out, it is basically just load and unload.",
"parent_id": null,
... | 1,760,374,580.951722 | ||
https://hackaday.com/2017/11/27/make-a-cheap-muon-detector-using-cosmicwatch/ | Make A Cheap Muon Detector Using Cosmicwatch | Steven Dufresne | [
"Misc Hacks"
] | [
"arduino nano",
"cosmic ray",
"cosmic ray detector",
"muon",
"photomultiplier",
"scintillator"
] | A little over a year ago we’d written about
a sub $100 muon detector
that MIT doctoral candidate [Spencer Axani] and a few others had put together. At the time there was little more than a paper on arxiv.org about it. Now, a few versions later they’ve refined it to the level of
a kit with full instructions for making y... | 13 | 6 | [
{
"comment_id": "4222776",
"author": "Dave Davidson",
"timestamp": "2017-11-27T12:47:47",
"content": "If the MCU were of another cheap variety that stretch in the pulse would not be needed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4222839",
"au... | 1,760,374,580.822073 | ||
https://hackaday.com/2017/11/27/introducing-the-mobility-unlimited-challenge/ | Introducing The Mobility Unlimited Challenge | Jenny List | [
"Medical Hacks",
"News"
] | [
"accessibility",
"disability",
"Mobility Unlimited Challenge",
"WheelChair"
] | If you take a walk across the centre of your city, you will find it to be a straightforward experience with few inconveniences. The occasional hold-up at a pedestrian crossing perhaps, or maybe a crowd of people in a busy shopping area. If however you take the same walk in the company of a wheelchair user you are likel... | 10 | 5 | [
{
"comment_id": "4222518",
"author": "Alphatek",
"timestamp": "2017-11-27T09:34:56",
"content": "And if you don’t have a wheelchair handy, try a pram.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4223048",
"author": "Brian",
"timestamp": "2... | 1,760,374,580.865897 | ||
https://hackaday.com/2017/11/26/a-tempest-in-a-dongle/ | A TEMPEST In A Dongle | Dan Maloney | [
"Radio Hacks",
"Security Hacks",
"Slider"
] | [
"air gap",
"dongle",
"espionage",
"monitor",
"RF",
"RTL-SDR",
"sdr",
"security",
"spying"
] | If a couple of generations of spy movies have taught us anything, it’s that secret agents get the best toys. And although it may not be as cool as a radar-equipped Aston Martin or a wire-flying rig for impossible vault heists,
this DIY TEMPEST system
lets you snoop on computers using secondary RF emissions.
If the term... | 27 | 9 | [
{
"comment_id": "4222101",
"author": "abdoutech93",
"timestamp": "2017-11-27T06:25:26",
"content": "Cool, but I would to say that the challenge is your computer which you are monitoring from have also an rf waves, how do you catch the all others rf but not yours, it can influence the results mostly ... | 1,760,374,581.177458 | ||
https://hackaday.com/2017/11/26/mechanical-build-lets-you-jump-cacti-in-real-life/ | Mechanical Build Lets You Jump Cacti In Real Life | Dan Maloney | [
"Misc Hacks"
] | [
"chrome",
"dinosaur",
"hackathon",
"IRL",
"javascript",
"T-rex",
"Trex Runner",
"video game"
] | Simple to learn, hard to master, a lifetime to kick the habit. This applies to a lot of computer games, but the T-rex Runner game for Chrome and its various online versions are particularly insidious. So much so that the game drove one couple to build
a real-world version of the digital game
.
For those not familiar wi... | 11 | 5 | [
{
"comment_id": "4221783",
"author": "Tucson Tom",
"timestamp": "2017-11-27T03:08:11",
"content": "If there is one rule I live by here in Arizona — I avoid jumping over cacti. YMMV",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4221832",
"author": "... | 1,760,374,581.117912 | ||
https://hackaday.com/2017/11/26/hackaday-links-november-26-2017/ | Hackaday Links: November 26, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"black friday",
"crowdfunding",
"dieselgate",
"sandpaper",
"sparklecon",
"vectrex"
] | Hey, it’s sometime between Black Friday and Cyber Monday.
We’re blowing out everything in the Hackaday Store
. There’s some great deals in there. Tindie, our lovable robot dog
is also heading up hundreds of Tindie deals for Cyber Monday
. If you want some electronic stuff direct from the people who make it, this is the... | 11 | 5 | [
{
"comment_id": "4221460",
"author": "Nick Sayer (@nwsayer)",
"timestamp": "2017-11-27T00:09:11",
"content": "Wikipedia says it’s an industry standard and has a table, but not much more.https://en.wikipedia.org/wiki/Sandpaper#Grit_size_tableMy own guess (and it’s JUST a guess) is that woodworkers we... | 1,760,374,581.22365 | ||
https://hackaday.com/2017/11/26/protect-your-ts100-soldering-iron/ | Protect Your TS100 Soldering Iron | Jenny List | [
"Tool Hacks"
] | [
"protective case",
"soldering iron",
"ts100"
] | The TS100 is a compact temperature-controlled soldering iron that’s long on features without too eye-watering a price. One thing it lacks as shipped though is anything to protect it from the thumps and bumps of everyday life in a toolbox, save for its elegant cardboard-and-foam retail box which requires iron and elemen... | 14 | 9 | [
{
"comment_id": "4221301",
"author": "Unferium",
"timestamp": "2017-11-26T22:55:03",
"content": "As this is being made from PVC pipe and the foam packaging, when the user is in a hurry then this case wouldn’t allow for a hot iron into a tool box.That’s a bit of the problem I’ve been having where I’v... | 1,760,374,581.268421 | ||
https://hackaday.com/2017/11/26/start-tracking-satellites-with-this-low-cost-azimuth-elevation-positioner/ | Start Tracking Satellites With This Low-Cost Azimuth-Elevation Positioner | Dan Maloney | [
"Radio Hacks",
"Slider"
] | [
"antenna",
"azimuth",
"elevation",
"iss",
"positioner",
"rotator",
"satellite",
"stepper"
] | Tracking satellites and the ISS is pretty easy. All you really need is an SDR dongle or a handheld transceiver, a simple homebrew antenna, and a clear view of the sky. Point the antenna at the passing satellite and you’re ready to listen, or if you’re a licensed amateur, talk. But the tedious bit is the pointing. Stand... | 28 | 7 | [
{
"comment_id": "4220695",
"author": "Jan",
"timestamp": "2017-11-26T18:22:25",
"content": "“But the 3D-printed parts turned out to be the Achille’s heel” sure it was, the whole thing was completely out of balance, what did you expect. To be honest, I did expect the worm gear to go first…Other from ... | 1,760,374,581.549269 |
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