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https://hackaday.com/2018/03/12/2018-hackaday-prize-build-hope-design-the-future/ | 2018 Hackaday Prize: Build Hope. Design The Future. | Mike Szczys | [
"Featured",
"Slider",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Build Hope",
"Hackaday Prize"
] | Today the
2018 Hackaday Prize
begins with a roar. This is our global engineering initiative with huge prizes for those hackers, designers, and engineers who want to use their skill and energy to build something that matters. This year, we challenge you to Build Hope. Show the world the amazing ways technology enriches ... | 50 | 22 | [
{
"comment_id": "4419720",
"author": "Internet",
"timestamp": "2018-03-12T14:23:32",
"content": "Would be interested in a followup article about how the prior four winners (and runners up) have been able to use the prize and possibly recognition to “build something that matters”. Unclear what that e... | 1,760,374,453.842792 | ||
https://hackaday.com/2018/03/12/diy-planetarium-built-from-pvc-pipes-and-cardboard/ | DIY Planetarium Built From PVC Pipes And Cardboard | Tom Nardi | [
"Space",
"Video Hacks"
] | [
"cardboard",
"planetarium",
"projector",
"PVC",
"Stellarium"
] | When you think about DIY projects, you probably don’t consider building your own planetarium. Why would you? Building the thing is surely outside the capabilities of the individual, and even if you could figure it out, the materials would be far too expensive. There’s a limit to DIY projects, and obviously building a p... | 9 | 8 | [
{
"comment_id": "4419454",
"author": "Ostracus",
"timestamp": "2018-03-12T11:32:28",
"content": "“When you think about DIY projects, you probably don’t consider building your own planetarium. Why would you? Building the thing is surely outside the capabilities of the individual, and even if you coul... | 1,760,374,453.49329 | ||
https://hackaday.com/2018/03/08/comic-boxes-reflect-owners-skills/ | Comic Boxes Reflect Owner’s Skills | Brian McEvoy | [
"3d Printer hacks"
] | [
"boxes",
"bracket",
"clean",
"comic book",
"comics",
"drawer pull",
"label",
"neat",
"organize",
"storage"
] | We are the culmination of our experiences. We build with the tools we’re familiar. We design with the decorations we like. Sometimes this thinking leads to a project that looks like a kindergartener who has dressed in a pink tutu and a camo shirt. Sometimes our experience leads us to make something functional and elega... | 9 | 5 | [
{
"comment_id": "4405854",
"author": "Dave Davidson",
"timestamp": "2018-03-09T03:02:52",
"content": "So no QR codes with Augmented reality sets with Fancy 3d room.+",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4405915",
"author": "Jon H",
... | 1,760,374,453.941039 | ||
https://hackaday.com/2018/03/08/a-relay-calculator-with-diy-neon-displays-just-because/ | A Relay Calculator With DIY Neon Displays, Just Because | Dan Maloney | [
"classic hacks"
] | [
"calculator",
"display",
"electromechanical",
"NE-2",
"neon",
"relay",
"seven segment display"
] | This looks like one of those projects that started out as a glimmer of an idea and led down a rabbit hole. But it’s a pretty cool rabbit hole that leads to
homebrew neon seven-segment displays on a calculator with relay logic
.
It’s a little thin on documentation so far, but that’s because [Mark Miller]’s build is one ... | 3 | 3 | [
{
"comment_id": "4405462",
"author": "Peter Neilson",
"timestamp": "2018-03-09T00:20:10",
"content": "It is even possible to use NE-2 neon lamps as logic elements. Here is a story about such an attempt:http://www.pa3fwm.nl/projects/neonclock/",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,453.407515 | ||
https://hackaday.com/2018/03/08/autodesk-introduces-parametric-part-generation/ | Autodesk Introduces Parametric Part Generation | Brian Benchoff | [
"News"
] | [
"autodesk",
"eagle",
"eda",
"eda suite",
"footprint",
"footprint creation",
"KiCAD",
"parametric"
] | The hardest part of any PCB design is adding parts and components. You shouldn’t use random part libraries, and creating your own part libraries is just a pain. Why have we endured this pain for so long, especially considering that most components follow a standard? Add in the fact that 3D modeling and rendering a boar... | 43 | 15 | [
{
"comment_id": "4405204",
"author": "reggy",
"timestamp": "2018-03-08T21:08:56",
"content": "Sounds interesting but I would not depend on it being around forever. Using anything from autodesk is dealing with the devil.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,453.57496 | ||
https://hackaday.com/2018/03/08/single-motor-single-piece-3d-printed-hovercraft/ | Single Motor, Single Piece 3D Printed Hovercraft | Steven Dufresne | [
"Toy Hacks"
] | [
"3d printed",
"3d printing techniques",
"hovercraft",
"radio controlled",
"rc",
"remote control"
] | RC hovercrafts offer all sorts of design options which make them interesting projects to explore. There are dual-motor ones where one motor provides lift while the other does the thrust. For steering, the thrust motor can swivel or you can place a rudder behind it. And there are single-motor ones where one motor does a... | 12 | 8 | [
{
"comment_id": "4405127",
"author": "seth johnson",
"timestamp": "2018-03-08T20:07:44",
"content": "This is the coolest thing I’ve seen this guy build. I am impressed at his ability to design such a sophisticated shape in CAD. I also like how he walks through the refinement process. Cool video!",
... | 1,760,374,453.89391 | ||
https://hackaday.com/2018/03/08/3d-printering-print-smoothing-tests-with-uv-resin/ | 3D Printering: Print Smoothing Tests With UV Resin | Donald Papp | [
"3d Printer hacks",
"Hackaday Columns",
"how-to",
"Slider"
] | [
"3d printed",
"3D Printering",
"coating",
"cure box",
"curing",
"dlp",
"FDM",
"FFF",
"formlabs",
"post-process",
"print smoothing",
"sla",
"uv",
"UV curing resin",
"UV resin",
"XTC-3D"
] | Smoothing the layer lines out of filament-based 3D prints is a common desire, and there are various methods for doing it. Besides good old sanding, another method is to apply a liquid coating of some kind that fills in irregularities and creates a smooth surface. There’s even a product specifically for this purpose: XT... | 16 | 10 | [
{
"comment_id": "4404988",
"author": "TheWizard",
"timestamp": "2018-03-08T18:20:10",
"content": "I have been using this method for some time. The results are in fact much better than most other methods. Its easier to do overall than any other method. The type of resin matters however. Your print ... | 1,760,374,453.748004 | ||
https://hackaday.com/2018/03/08/mechanical-wooden-turing-machine/ | Mechanical Wooden Turing Machine | Lara Grant | [
"Misc Hacks"
] | [
"alan turing",
"automata",
"computation",
"computer science",
"custom wood",
"mechanical",
"wood"
] | Alan Turing theorized a machine that could do infinite calculations from an infinite amount of data that computes based on a set of rules. It starts with an input, transforms the data and outputs an answer. Computation at its simplest. The Turing machine is considered a blueprint for modern computers and has also becom... | 20 | 9 | [
{
"comment_id": "4404902",
"author": "Ren",
"timestamp": "2018-03-08T17:36:37",
"content": "Now, attach a lathe to it and it will be a “Wooden Turing Turning” machine!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4405236",
"author": "TGT",
... | 1,760,374,453.636357 | ||
https://hackaday.com/2018/03/08/the-pontoon-bridge-being-floated-as-an-nyc-transit-fix/ | The Pontoon Bridge Being Floated As An NYC Transit Fix | Alex Weinberg | [
"Current Events",
"Engineering",
"Featured",
"News",
"Original Art",
"Slider",
"Transportation Hacks"
] | [
"architecture",
"bridge",
"civil engineering",
"infrastructure",
"new york",
"pontoon",
"transportation"
] | New York City’s L train carries about 400,000 passengers a day, linking Manhattan and Brooklyn and bringing passengers along 14th Street, under the East River, and through the neighborhoods of Williamsburg, Bushwick, Ridgewood, Brownsville, and Canarsie. About 225,000 of these passengers pass through the Canarsie Tunne... | 96 | 24 | [
{
"comment_id": "4404495",
"author": "Jerry",
"timestamp": "2018-03-08T15:06:48",
"content": "Bridge over troubled waters..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4406778",
"author": "Steven-X",
"timestamp": "2018-03-09T14:36:51",
... | 1,760,374,454.172106 | ||
https://hackaday.com/2018/03/10/high-effort-streaming-remote-for-low-effort-bingeing/ | High-Effort Streaming Remote For Low-Effort Bingeing | Dan Maloney | [
"Misc Hacks",
"Wireless Hacks"
] | [
"arduino",
"controller",
"encoder",
"keyboard",
"netflix",
"nRF24L01+",
"remote",
"RF",
"streaming",
"video",
"wireless",
"youtube"
] | There’s no limit to the amount of work some people will put into avoiding work. For instance, why bother to get up from your YouTube-induced vegetative state to adjust the volume when you can
design and build a remote to do it for you
?
Loath to interrupt his PC streaming binge sessions, [miroslavus] decided to take ma... | 7 | 6 | [
{
"comment_id": "4408517",
"author": "smopg",
"timestamp": "2018-03-10T15:07:05",
"content": "Oh God why?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4408522",
"author": "Ostracus",
"timestamp": "2018-03-10T15:09:30",
"content": "https://upload.... | 1,760,374,453.679894 | ||
https://hackaday.com/2018/03/10/a-faster-grave-digger-for-your-child/ | A Faster Grave Digger For Your Child | Lewin Day | [
"classic hacks"
] | [
"esc",
"grave digger",
"motor controller",
"Power Wheels",
"powerwheels"
] | Children love speed, but so few of those electric ride on toys deliver it. What’s a kid to do?
Well, if [PoppaFixit]’s your dad, you’re in luck.
This project starts with an unusually cool Power Wheels toy, based on the famous Grave Digger monster truck. During the modification process, it was quickly realised that the ... | 12 | 7 | [
{
"comment_id": "4408450",
"author": "opaop",
"timestamp": "2018-03-10T14:02:58",
"content": "Where’s the rollcage?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4408740",
"author": "purplepeopleated",
"timestamp": "2018-03-10T16:50:45",
... | 1,760,374,454.222296 | ||
https://hackaday.com/2018/03/10/secret-book-light-switch/ | Secret Book Light Switch | James Hobson | [
"home hacks",
"how-to"
] | [
"book",
"bookcase",
"bookshelf",
"instructables",
"secret",
"switch"
] | You enter a study and see a lightbulb hanging on the bookshelf. You try all the switches in the room — nothing is turning it on. Remembering you’re in [lonesoulsurfer]’s home, you realize that you’re going to have to start yanking on
every book in sight
.
While often associated with the likes of Bat-caves and other com... | 9 | 5 | [
{
"comment_id": "4408326",
"author": "Rene",
"timestamp": "2018-03-10T12:05:05",
"content": "or just use a reed switch, with a small magnet glued into an edge of a book cover…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4408358",
"author": "DainBr... | 1,760,374,454.270984 | ||
https://hackaday.com/2018/03/09/you-dont-need-to-be-tony-stark-to-afford-this-hand-controller/ | You Don’t Need To Be Tony Stark To Afford This Hand Controller | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"glove",
"hand controller"
] | Proving that duct tape really can do anything, [StudentBuilds] uses it to make
a workable controller out of a glove
. To be fair, there are a few more bits too, including paper coated with pencil graphite and tin foil, which forms a variable resistor you can read with an Arduino analog input. You can see the entire thi... | 4 | 4 | [
{
"comment_id": "4407875",
"author": "Niket Shah",
"timestamp": "2018-03-10T06:05:16",
"content": "Good one Williams..Where are you from?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4407901",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-03-10T... | 1,760,374,454.310767 | ||
https://hackaday.com/2018/03/09/an-autonomous-drone-for-working-rare-squares/ | An Autonomous Drone For Working Rare Squares | Jenny List | [
"Radio Hacks"
] | [
"Elecraft",
"FT8",
"KX3",
"radio",
"raspberry pi",
"Waverider"
] | Amateur radio is an extremely broad church when it comes to the numerous different activities that it covers. Most of the stories featuring radio amateurs that we cover here have involved home-made radios, but that represents a surprisingly small subset of licence holders.
One activity that captivates many operators is... | 20 | 8 | [
{
"comment_id": "4407778",
"author": "Kyle",
"timestamp": "2018-03-10T05:04:05",
"content": "Is this thing running wspr as well? I noticed that there is 4000 squares that report hearing spots, but 10000 squares that transmitted. So obviously something is roaming around using wspr as position reporti... | 1,760,374,454.375026 | ||
https://hackaday.com/2018/03/09/color-coded-key-opens-doors-opportunities/ | Color-Coded Key Opens Doors, Opportunities | Bryan Cockfield | [
"Security Hacks"
] | [
"arduino",
"color",
"combination",
"key",
"lock",
"security",
"sensor"
] | Of all the ways to open up a lock, there are some tried and true methods. Keys, combinations, RFIDs, picks, and explosives have all had their time and place, but now someone else wants to try something new. [Erik] has come up with
a lock that opens when it is shown a pattern of colors
.
The lock in question uses a set ... | 20 | 12 | [
{
"comment_id": "4407461",
"author": "rnjacobs",
"timestamp": "2018-03-10T00:17:20",
"content": "Hm. Effectively a color barcode?I already know about the 2D “High Capacity Color Barcode”.And I guess the early KarTraks were color.Are there others?",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,455.016538 | ||
https://hackaday.com/2018/03/09/robotic-wood-shop-has-ambitions-to-challenge-ikea/ | Robotic Wood Shop Has Ambitions To Challenge IKEA | Roger Cheng | [
"home hacks",
"Tool Hacks"
] | [
"custom",
"custom wood",
"furniture",
"ikea",
"ikea hacks",
"mit",
"parametric",
"parametric design"
] | Many people got their start with 3D printing by downloading designs from Thingiverse, and some of these designs could be modified in the browser using the Thingiverse Customizer. The mechanism behind this powerful feature is OpenSCAD’s parametric design capability, which offers great flexibility but is still limited by... | 28 | 11 | [
{
"comment_id": "4407388",
"author": "MK 2",
"timestamp": "2018-03-09T22:57:01",
"content": "investor bait…. furniture makers are already heavily automated and have the economy of scale on their side. this will be a niche product at best; marketed to people with more money than common sense.",
"... | 1,760,374,454.963938 | ||
https://hackaday.com/2018/03/08/regrowing-a-blackberry-from-the-keyboard-out/ | Regrowing A Blackberry From The Keyboard Out | Kerry Scharfglass | [
"handhelds hacks",
"Phone Hacks"
] | [
"blackberry",
"graphic lcd",
"integrated keyboard",
"keyboard matrix",
"pocketable"
] | Here at Hackaday we’re big fans of device-reuse, and what [arturo182] has done with the
Blackberry Q10’s keyboard
is a fantastic example. Sometimes you’re working on a portable device and think to yourself “what this could really use is a QWERTY keyboard”. What project doesn’t need a keyboard?
Typically this descends i... | 19 | 9 | [
{
"comment_id": "4404128",
"author": "arturo182",
"timestamp": "2018-03-08T12:18:33",
"content": "Thanks for covering my silly project! For anyone interested, I’m posting updates as I go on Twitterhttps://twitter.com/arturo182Regarding the screen, it is not so easy as it is uses DSI, which is unfort... | 1,760,374,454.838354 | ||
https://hackaday.com/2018/03/08/adding-optics-to-a-consumer-thermal-camera/ | Adding Optics To A Consumer Thermal Camera | Tom Nardi | [
"hardware",
"Tool Hacks"
] | [
"germanium",
"optics",
"thermal imaging",
"zinc selenide"
] | [David Prutchi] writes in to tell us about his
recent experiments with building lenses for thermal imaging cameras
, which to his knowledge is a first (at least as far as DIY hardware is concerned). With his custom designed and built optics, he’s demonstrated the ability to not only zoom in on distant targets, but get ... | 16 | 4 | [
{
"comment_id": "4403840",
"author": "schmiben",
"timestamp": "2018-03-08T09:22:59",
"content": "Nice! But would be so much cheaper if ZnSe optics from Aliexpress for CO2 lasers would be used! They work perfectly fine (yes I tested it) The lens tube etc could probably be 3d printed.",
"parent_id... | 1,760,374,454.779714 | ||
https://hackaday.com/2018/03/07/hijacking-a-sony-watchman-for-pong/ | Hijacking A Sony Watchman For Pong | Inderpreet Singh | [
"classic hacks",
"Portable Video Hacks"
] | [
"crt",
"game",
"retro",
"Watchman"
] | The era of the vintage television was a great one, and one of the transitional by-products was the Sony Watchman. It was a portable TV which Sony started selling in 1982, and the amazing thing about it was that it had an actual 4-inch cathode ray tube or CRT. [Sideburn] just posted a video in which
he hijacks the inter... | 11 | 7 | [
{
"comment_id": "4403621",
"author": "james",
"timestamp": "2018-03-08T06:29:07",
"content": "great now the price of watchman’s will go up in price on e-bay.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4403648",
"author": "james",
"timesta... | 1,760,374,454.72081 | ||
https://hackaday.com/2018/03/07/desperately-trying-to-find-a-use-for-the-chugplug/ | Desperately Trying To Find A Use For The ChugPlug | Tom Nardi | [
"hardware",
"laptops hacks",
"Mac Hacks"
] | [
"ac adapter",
"ChugPlug",
"inverter",
"portable power"
] | [AkBKukU] writes in to tell us of his experiments with the rather vile-sounding “ChugPlug”, an odd portable AC power bank designed for the express purpose of powering MacBook chargers. It would seem more efficient to simply build a DC power bank with a MagSafe connector to cut out the charger all together, but presumab... | 21 | 13 | [
{
"comment_id": "4403467",
"author": "Dan Julio",
"timestamp": "2018-03-08T04:22:22",
"content": "A helpful guy named “Patrick” on Amazon left this review which talks a little about the guts of this thing:“Okay, it looks like a tumor! Well it is NOT a tumor, it is some pretty amazing hardware servin... | 1,760,374,454.899155 | ||
https://hackaday.com/2018/03/07/hacking-balsa-to-make-it-stronger/ | Hacking Balsa To Make It Stronger | Kristina Panos | [
"chemistry hacks"
] | [
"balsa",
"balsa wood",
"carbon sponge"
] | Balsa wood has long been revered for its strength and lightweight composition, two properties that make it ideal for building model structures and airplanes.
Researchers from the US and China have managed to make balsa even stronger and more useful
. They’ve found a way to change its structure, turning it into a carbon... | 14 | 10 | [
{
"comment_id": "4403000",
"author": "richfiles",
"timestamp": "2018-03-08T00:23:39",
"content": "Let’s see what kind of high school physics class bridge project can be created with THIS balsa!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4403473",
... | 1,760,374,455.114952 | ||
https://hackaday.com/2018/03/07/not-just-your-average-diy-spot-welder/ | Not Just Your Average DIY Spot Welder | Dan Maloney | [
"Tool Hacks"
] | [
"casting",
"electrode",
"microwave oven transformer",
"MOT",
"pattern making",
"powder coating",
"spot welder",
"welding"
] | Microwave oven transformer spot welder builds are about as common as Nixie tube clocks around here. But
this spot welder is anything but common
, and it has some great lessons about manufacturing techniques and how to achieve a next level look.
Far warning that [Mark Presling] has devoted no fewer than five videos to t... | 7 | 3 | [
{
"comment_id": "4402720",
"author": "Ren",
"timestamp": "2018-03-07T21:15:50",
"content": "It looks better than the Horror Fright spot welders!(But, of course!)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4402913",
"author": "Internet",
"... | 1,760,374,455.063818 | ||
https://hackaday.com/2018/03/07/customizing-stls-for-off-brand-devices/ | Customizing STLs For Off-Brand Devices | Tom Nardi | [
"3d Printer hacks",
"digital cameras hacks",
"Peripherals Hacks"
] | [
"3d printed",
"camera mount",
"sketchup",
"stl"
] | [Rob Clarke] needed a mount for his off-brand action camera, but it’s not exactly the kind of thing with a bustling accessory market. To make matters worse, it turns out the camera is so low-key that he couldn’t find a 3D printable mount for it either. Luckily, a check with his calipers confirmed his camera is
just abo... | 22 | 9 | [
{
"comment_id": "4402595",
"author": "jpa",
"timestamp": "2018-03-07T19:35:23",
"content": "Blender also works reasonably well for simple modifications. Use tab key to get to the mesh edit mode, select the vertices you want to move with B, type G to grab them, constrain to selected axis with X, Y or... | 1,760,374,455.170884 | ||
https://hackaday.com/2018/03/07/evolution-of-the-worlds-oldest-computer-festival/ | Evolution Of The Worlds Oldest Computer Festival | Tom Nardi | [
"cons",
"Interest",
"Interviews",
"Slider"
] | [
"convention",
"retro computing",
"TCF",
"Trenton Computer Festival"
] | The Trenton Computer Festival (TCF) doesn’t have the name recognition of big technology conferences like DEF CON or HOPE. It’s not even as well known as smaller more localized conferences like DerbyCon, ShmooCon, or the Hackaday Superconference. In fact, there’s a good chance that most readers have never even heard of ... | 32 | 13 | [
{
"comment_id": "4402548",
"author": "Dan",
"timestamp": "2018-03-07T18:55:46",
"content": "Never heard of this con until now, wonder how many other little mom-and-pop kind of computer/tech conferences are out there nobody knows about but locals.Looks like advance tickets are still available at $14!... | 1,760,374,455.241638 | ||
https://hackaday.com/2018/03/07/friday-hack-chat-everything-about-the-esp/ | Friday Hack Chat: Everything About The ESP | Brian Benchoff | [
"Hackaday Columns",
"Slider"
] | [
"ESP",
"ESP-32",
"ESP-8266",
"Hack Chat",
"sprite",
"sprite_tm"
] | When the ESP-8266 first arrived, it was a marvel. For two dollars, you could buy a simple module that could serve as a bridge between WiFi networks and microcontroller projects. It understood the Hayes command set, it didn’t use much power, and, as noted before, it only cost two dollars. The idea of cheap and accessibl... | 16 | 9 | [
{
"comment_id": "4402564",
"author": "Adam",
"timestamp": "2018-03-07T19:08:19",
"content": "what no comments yet? Your chance to speak with the all time master and no excitement?This gon be gud!!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5932783",
... | 1,760,374,455.404521 | ||
https://hackaday.com/2018/03/07/detoured-inside-machinehistories/ | Detoured: Inside MachineHistories | Brian Benchoff | [
"Hackerspaces"
] | [
"detoured",
"hackerspace",
"MachineHistories",
"shop",
"tour"
] | When designers and architects need a fancy centerpiece, a design element, or even some wall sconces, they don’t head over to the machine shop by themselves. They get someone else, who owns some fancy machines, knows how to use those fancy machines, and can create anything out of wood, foam, or metal to do the fabricati... | 18 | 7 | [
{
"comment_id": "4402422",
"author": "Ostracus",
"timestamp": "2018-03-07T17:00:18",
"content": "“The skill and craftsmanship that goes into these works of art are beyond compare, but this is a great insight into how all those manufactured panels, design elements, and artistic accents are created, a... | 1,760,374,455.778416 | ||
https://hackaday.com/2018/03/07/a-bit-more-than-a-microphone-the-electret-story/ | A Bit More Than A Microphone: The Electret Story | Jenny List | [
"Featured",
"hardware",
"Slider"
] | [
"capacitor",
"capacitor microphone",
"diy",
"electret",
"electret microphone"
] | When designing a microphone assembly the other day, I reached for an electret condenser microphone capsule without thinking. To be strictly accurate I ordered a pack of them, these small cylindrical microphones are of extremely high quality for their relatively tiny price.
It was only upon submitting the order that I h... | 35 | 15 | [
{
"comment_id": "4402215",
"author": "Jerry",
"timestamp": "2018-03-07T15:23:14",
"content": "<– Just dropped the mic..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4402232",
"author": "Barry Barn",
"timestamp": "2018-03-07T15:30:00",
"content": ... | 1,760,374,455.968075 | ||
https://hackaday.com/2018/03/07/0-05-mm-precision-thats-a-moire/ | Precision DIY Calipers? That’s A Moiré! | Lara Grant | [
"Tool Hacks"
] | [
"3d print",
"3d printing",
"3d prints",
"calipers",
"diy tool",
"moire",
"moire pattern",
"moire patterns",
"tools"
] | Moiré patterns are a thing of art, physics, and now tool design! [Julldozer] from Mojoptix creatively uses a moiré pattern to achieve a 0.05 mm precision goal for his custom designed
3D printed calipers
. His calipers are designed to validate a 3D print against the original 3D model. When choosing which calipers are be... | 23 | 11 | [
{
"comment_id": "4401639",
"author": "ThisGuy",
"timestamp": "2018-03-07T12:10:13",
"content": "The measurement method is really clever, but there is no way in hell he can actually get that accuracy from the mechanics of the measurement device. A caliper is a somewhat unsuitable measurement device f... | 1,760,374,455.836104 | ||
https://hackaday.com/2018/03/07/cipods-earbuds-for-cochlear-implants/ | CIPODS: Earbuds For Cochlear Implants | Al Williams | [
"Medical Hacks",
"Portable Audio Hacks"
] | [
"Cochlear Implant",
"earbuds",
"zip ties"
] | If you wear cochlear implants, sound doesn’t enter through your ear, but rather from microphones above your ears. That means earbuds are useless and you have to resort to large and clumsy over the ear headphones. [Mjcraig23] wanted
the convenience of earbuds
and set out to do what we all do: hack it.
The result is hand... | 22 | 9 | [
{
"comment_id": "4401320",
"author": "Mark",
"timestamp": "2018-03-07T09:22:35",
"content": "I work for Cochlear.I know the majority of sound processors (the external component) have either an FM transmitter or in our case the newest sound process has bluetooth for streaming audio from accessories a... | 1,760,374,455.893056 | ||
https://hackaday.com/2018/03/06/hot-air-surgery-revives-a-cheap-windows-tablet/ | Hot Air Surgery Revives A Cheap Windows Tablet | Tom Nardi | [
"Repair Hacks",
"Slider",
"Tablet Hacks"
] | [
"emmc",
"Foresee",
"hot air rework station",
"samsung",
"usb otg"
] | [Jason Gin] recently wrote in to tell us about his adventures
replacing the eMMC storage chip on a cheap Windows tablet
, and we have to say, it’s an impressive amount of work for a device which apparently only cost him $15. Surely
much
better pieces of hardware have been tossed in the trash for less serious failures t... | 39 | 12 | [
{
"comment_id": "4400962",
"author": "alice mayer",
"timestamp": "2018-03-07T06:07:08",
"content": "Damn I have Toshiba encore 2 I was wondering on what to do when it emmc flash died so the EFI bios is not installed on the flash in a bios only rom that’s good.",
"parent_id": null,
"depth": 1... | 1,760,374,455.725965 | ||
https://hackaday.com/2018/03/06/am-ultrasonic-transmitter-and-receiver/ | AM Ultrasonic Transmitter And Receiver | Steven Dufresne | [
"Arduino Hacks",
"Musical Hacks"
] | [
"amplitude modulation",
"arduino pro micro",
"lufa",
"ultrasonic transducer",
"ultrasonics"
] | Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic transmitter and receiver from a distance-meter module and
used amplitude modulation to send music ultrasonically from his ... | 22 | 10 | [
{
"comment_id": "4398579",
"author": "Andrea Campanella",
"timestamp": "2018-03-06T12:24:07",
"content": "We need a shaky cam waring on that…Very interesting , I guess wouldn’t be difficult to transmit data as well…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,456.027355 | ||
https://hackaday.com/2018/03/06/the-sensor-array-that-grew-into-a-robot-cat/ | The Sensor Array That Grew Into A Robot Cat | Roger Cheng | [
"Raspberry Pi",
"Robots Hacks"
] | [
"arduino",
"arduino robot",
"cat",
"cat cam",
"cats",
"raspberry pi",
"Raspberry Pi 3",
"raspberry pi robot",
"rc servo",
"robot",
"roboticcat",
"servo",
"servo bot"
] | Human brains evolved to pay extra attention to anything that resembles a face. (Scientific term: “facial pareidolia”) [Rongzhong Li] built a robot sensor array with multiple emitters and receivers augmenting a Raspberry Pi camera in the center. When he looked at his sensor array, he saw the face of a cat looking back a... | 32 | 12 | [
{
"comment_id": "4398292",
"author": "Jimmy_Pop",
"timestamp": "2018-03-06T09:39:26",
"content": "Hackaday needs to has more cats if it wants to keep up with the intrawebs. I’m still waiting for an ant-proof automatic feeder, which is something that is not even available as a commercial product.The ... | 1,760,374,456.183762 | ||
https://hackaday.com/2018/03/05/love-open-source-but-hate-people-get-openkobold/ | Love Open Source But Hate People? Get OpenKobold | Tom Nardi | [
"hardware",
"Microcontrollers"
] | [
"buzzer",
"noise maker",
"PIC12F675",
"prank"
] | [Tadas Ustinavičius] writes in to tell us of his latest project, which combines his two great loves of open source and annoying people: OpenKobold.
Named after the German mythical spirit that haunts people’s homes
, this tiny device is fully open source (hardware and software) and ready to torment your friends and fami... | 47 | 19 | [
{
"comment_id": "4397993",
"author": "Genki",
"timestamp": "2018-03-06T06:42:36",
"content": "Could that be made smaller? Deadbug a programmed ATTiny10 with battery and buzzer. Program it to sleep for random x hours, make noise for random x seconds, repeat until discovered and smashed by irate victi... | 1,760,374,456.114848 | ||
https://hackaday.com/2018/03/05/building-a-bioactive-vivarium-from-an-ikea-shelf/ | Building A Bioactive Vivarium From An IKEA Shelf | James Hobson | [
"green hacks",
"Misc Hacks"
] | [
"Bioactive",
"plexiglass",
"snake",
"substrate",
"terrarium",
"vinyl",
"vivarium"
] | Pets are often worth a labour of love. [leftthegan] — in want of a corn snake — found that Sweden’s laws governing terrarium sizes made all the commercial options to too small for a fully-grown snake. So they took matters into their own hands, building a
bioactive vivarium
for their pet!
[leftthegan] found an IKEA Kall... | 16 | 5 | [
{
"comment_id": "4397727",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-03-06T03:32:02",
"content": "Fun however there’s a typo in it. Look for the way the country is spelled. And be careful of those tribbles.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,456.237451 | ||
https://hackaday.com/2018/03/05/portable-guitar-amp-is-that-a-linux-in-your-pocket/ | Portable Guitar Amp – Is That A Linux In Your Pocket? | Sven Gregori | [
"Musical Hacks"
] | [
"guitar amp",
"guitar effects",
"guitarix",
"linux",
"Orange Pi",
"Orange Pi Zero"
] | When it comes to music production and audio engineering, Linux isn’t the most common choice. This isn’t for lack of decent tools or other typical open source usability issues:
Ardour
as a highly capable, feature-rich digital audio workstation, the
JACK Audio Connection Kit
for powerful audio routing, and distributions ... | 18 | 10 | [
{
"comment_id": "4397505",
"author": "Ren",
"timestamp": "2018-03-06T01:08:51",
"content": "So, this could also be done with a Raspi Zero?(Without too much trouble?)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4397522",
"author": "Olsen",
... | 1,760,374,456.286388 | ||
https://hackaday.com/2018/03/05/one-mans-quest-for-a-desktop-spherical-display/ | One Man’s Quest For A Desktop Spherical Display | Tom Nardi | [
"hardware",
"Slider",
"Teardown",
"Video Hacks"
] | [
"Sony MP-CL1",
"spherical display",
"teardown",
"Worldeye"
] | [Nirav Patel] is a man on a mission. Since 2011 he has been obsessed with owning a spherical display, the kind of thing you see in museums and science centers, but on a desktop scale. Unfortunately for him, there hasn’t been much commercial interest in this sort of thing as of yet. Up to this point, he’s been forced to... | 20 | 8 | [
{
"comment_id": "4397107",
"author": "Geekmaster",
"timestamp": "2018-03-05T21:25:21",
"content": "I remember Nirav Patel from the MTBS3D forums, before he and others went quiet after joining Oculus. Nice to see his projects seeing the light of day again.",
"parent_id": null,
"depth": 1,
... | 1,760,374,456.349842 | ||
https://hackaday.com/2018/03/05/customising-a-30-ip-camera-for-fun/ | Customising A $30 IP Camera For Fun | Inderpreet Singh | [
"Misc Hacks"
] | [
"Ingenic T20",
"ipcamera",
"linux hack",
"openwrt",
"teardown",
"wifi"
] | WiFi cameras like many other devices these days come equipped with some sort of Linux subsystem. This makes the life of a tinkerer easier and you know what that means. [Tomas C] saw an opportunity to
mod his Xiaomi Dafang IP camera
which comes configured to work only with proprietary apps and cloud.
The hack involves v... | 32 | 12 | [
{
"comment_id": "4396940",
"author": "Ren",
"timestamp": "2018-03-05T19:56:59",
"content": "Nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4396953",
"author": "Doc Oct",
"timestamp": "2018-03-05T20:02:50",
"content": "I’d rather something tha... | 1,760,374,456.641327 | ||
https://hackaday.com/2018/03/06/nerds-unite-prosthetics-inspired-by-comics-and-beyond/ | Nerds Unite: Prosthetics Inspired By Comics And Beyond! | Lara Grant | [
"3d Printer hacks"
] | [
"3d printed arm",
"3d printed hand",
"3d printed prosthetic",
"arduinio",
"bionic",
"child prosthetic",
"prosthetic hand",
"robotics"
] | Open Bionics is a company creating prosthetics inspired by heroines, heroes and the fictional worlds they live in. The designs emblazoned on their first set of bionic hands include ones drawn from Queen Elsa from Disney’s Frozen, and Marvel’s Iron Man. The best thing about what they are doing is they offer you, dear re... | 39 | 15 | [
{
"comment_id": "4400616",
"author": "Olsen",
"timestamp": "2018-03-07T03:20:41",
"content": "This is so cool! I’m glad I’m living in the future!I still need an all terrain hoverboard.And world peace.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4400865",
... | 1,760,374,456.486022 | ||
https://hackaday.com/2018/03/06/marble-chooses-its-own-path/ | Marble Chooses Its Own Path | Brian McEvoy | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printed sculpture",
"ball",
"kinetic",
"marble",
"moving",
"sculpture"
] | [Snille]’s motto is “If you can’t find it, make it and share it!” and we could not agree more. We wager that you won’t find his
Roball sculpture
on any shopping websites, so it follows that he made, and subsequently shared his dream. The sculpture has an undeniable elegance with black brackets holding brass rails all o... | 16 | 6 | [
{
"comment_id": "4400221",
"author": "mcecere",
"timestamp": "2018-03-07T00:35:07",
"content": "great achievement, very nice.i wonder if you can virtually ride the ball in the 3D cad program.and i wonder how you get the guide rails bent so accurately.sweet.",
"parent_id": null,
"depth": 1,
... | 1,760,374,456.69285 | ||
https://hackaday.com/2018/03/06/hacking-a-pint-sized-mercedes/ | Hacking A Pint-Sized Mercedes | Al Williams | [
"Toy Hacks"
] | [
"mercedes",
"ride on car",
"toy",
"toy car"
] | [Jonas] bought an electric Mercedes “ride on” toy for his one-year-old son. At least that’s his story. However, the vehicle has become a target for dad’s obsession with hacking and he’s already done
quite a few upgrades
. Even better, he did quite a bit of analysis on what’s already there. He isn’t done, but he’s promi... | 30 | 13 | [
{
"comment_id": "4399774",
"author": "Ren",
"timestamp": "2018-03-06T21:08:16",
"content": "Add GPS so it will shut down if the boy tries to take it on the street or too far down the sidewalk.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4399775",
... | 1,760,374,456.83707 | ||
https://hackaday.com/2018/03/06/clever-approach-to-stylus-alignment/ | Clever Approach To Stylus Alignment | Brian McEvoy | [
"Musical Hacks",
"Tool Hacks"
] | [
"albums",
"alignment",
"mirror",
"music",
"protractor",
"records",
"tuning",
"vinyl"
] | Digitally stored music is just data. But not long ago, music was analog and required machines with moving parts. If you have never owned a record player, you at least know what they look like, now that there’s a(nother) vinyl revival. What you may not be aware of is that the player’s stylus needs to be aligned. It make... | 25 | 7 | [
{
"comment_id": "4399671",
"author": "Pirate Labs",
"timestamp": "2018-03-06T20:30:43",
"content": "The younger reads are like: “Vinyl records ? Analog music? What?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4399676",
"author": "Pirate Labs",
... | 1,760,374,456.968217 | ||
https://hackaday.com/2018/03/06/whats-inside-a-neonode-laser-sensor/ | What’s Inside A Neonode Laser Sensor? | Elliot Williams | [
"Engineering",
"Featured",
"hardware",
"Slider",
"Teardown"
] | [
"command line",
"laser",
"OpenBench Logic Sniffer",
"reverse engineering",
"sensor",
"sigrok",
"teardown",
"test points"
] | Every once in a while, you get your hands on a cool piece of hardware, and of course, it’s your first instinct to open it up and see how it works, right? Maybe see if it can be coaxed into doing just a little bit more than it says on the box? And so it was last Wednesday, when I was at the Embedded World trade fair, an... | 16 | 12 | [
{
"comment_id": "4399432",
"author": "Haddyhad",
"timestamp": "2018-03-06T18:50:01",
"content": "‘member neonode phones?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4401616",
"author": "Thinkerer",
"timestamp": "2018-03-07T11:52:42",
... | 1,760,374,457.086461 | ||
https://hackaday.com/2018/03/06/the-m1-nerfbot-when-prototypes-evolve/ | The M1 NerfBot: When Prototypes Evolve | James Hobson | [
"Robots Hacks"
] | [
"bluetooth",
"FPV",
"nerf",
"RoboClaw",
"ultrasonic",
"wifi"
] | What do you get when you cross a self-taught maker with an enthusiasm for all things Nerf? A mobile nerf
gun platform
capable of 15 darts per second. Obviously.
The M1 NerfBot built by [GrimSkippy] — posting in the ‘Let’s Make Robots’ community — is meant to be a
constantly updating prototype as he progresses in his ed... | 7 | 3 | [
{
"comment_id": "4399327",
"author": "bty",
"timestamp": "2018-03-06T17:57:06",
"content": "nice nice, wobbly mount though .. a better acceleration profile could already make it a lot more stable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4399375",
"a... | 1,760,374,456.772394 | ||
https://hackaday.com/2018/03/06/retrotechtacular-a-very-british-maglev/ | Retrotechtacular: A Very British MagLev | Jenny List | [
"Retrotechtacular",
"Slider",
"Transportation Hacks"
] | [
"linear motor",
"maglev",
"Magnetic levitation",
"train"
] | When we look back to the 1970s it is often in a light of somehow a time before technology, a time when analogue was still king, motor vehicles had carburettors, and telephones still had rotary dials.
In fact the decade had a keen sense of being on the threshold of an exciting future, one of supersonic air travel, and h... | 54 | 13 | [
{
"comment_id": "4398959",
"author": "fresh install new username",
"timestamp": "2018-03-06T15:12:54",
"content": "Meanwhile across la manche, they were testing the aerotran, which avoided the drawbacks and expense of the maglev and ran on at first a plain poured concrete rail then more refined surf... | 1,760,374,457.179369 | ||
https://hackaday.com/2018/03/05/controlling-octoprint-on-the-go/ | Controlling OctoPrint On The Go | Tom Nardi | [
"3d Printer hacks",
"Hackaday Columns",
"Reviews",
"Slider",
"Software Hacks"
] | [
"Octoprint",
"OctoRemote",
"Printoid",
"raspberry pi",
"TouchUI"
] | Not too long ago I took the plunge into the world of OctoPrint by shoehorning a Raspberry Pi Zero into a PrintrBot Play, and I have to say,
the results were quite impressive
. OctoPrint allows you to run your 3D printer untethered from your computer, but without all the downsides of printing off of an SD card. Generall... | 33 | 17 | [
{
"comment_id": "4396577",
"author": "Ostracus",
"timestamp": "2018-03-05T18:15:57",
"content": "“That’s all well and good if you’ve got your laptop with you, or you’re sitting at your desktop. But what if you’re out of the house? Or maybe out in the garage where you don’t have a computer setup?”Is ... | 1,760,374,456.910113 | ||
https://hackaday.com/2018/03/05/3d-printing-with-mussels-and-beets/ | 3D Printing With Mussels And Beets | Tom Nardi | [
"3d Printer hacks",
"chemistry hacks",
"green hacks"
] | [
"biodegradable",
"paste extruder",
"recycling",
"ultimaker"
] | What do you get when you combine oven-baked mussels and sugar beets in a kitchen blender? No, it isn’t some new smoothie cleanse or fad diet. It’s an
experimental new recyclable 3D printing material developed by [Joost Vette]
, an Industrial Design Engineering student at Delft University of Technology in the Netherland... | 19 | 10 | [
{
"comment_id": "4396405",
"author": "Pirate Labs",
"timestamp": "2018-03-05T16:44:50",
"content": "I imagine it must be difficult to keep the viscosity constant during a longer print. It would seem to me the paste might be drying out as times goes on unless there is something that stirs the slurry... | 1,760,374,457.025279 | ||
https://hackaday.com/2018/03/05/badgelife-from-1-to-100/ | Badgelife: From 1 To 100 | Brian Benchoff | [
"Featured",
"hardware",
"Slider"
] | [
"badgelife",
"blinky",
"meetup"
] | Blame it on the falling costs of printed circuit boards, the increased accessibility of hardware design tools, the fact that GCC works on microcontrollers now, whatever the ‘maker movement’ is, or any one of a number of other factors. There’s a
hardware
demoscene now. Instead of poking bits, writing code, and dividing ... | 11 | 5 | [
{
"comment_id": "4396365",
"author": "Ren",
"timestamp": "2018-03-05T16:21:33",
"content": "“The cheapest way to do this, by the way, is to buy a casket, pay off a funeral home, and get the special air freight rates corpses get.”Really now?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,457.227714 | ||
https://hackaday.com/2018/03/05/shoot-and-forget-digital-photo-frame/ | Shoot-And-Forget Digital Photo Frame | James Hobson | [
"home hacks",
"Raspberry Pi"
] | [
"camera",
"digital photo frame",
"Google Photos",
"monitor",
"photography",
"Pi 3",
"TCS34725",
"viewsonic"
] | Digital photo frames these days require you to manage the photos stored on it or the cloud-based service tied to the frame’s manufacturer. [Henric Andersson] realized that he and his wife take a lot of photos but find little time to go through them — like photo albums of days past — and add them to any photo frame-like... | 28 | 8 | [
{
"comment_id": "4396113",
"author": "Ostracus",
"timestamp": "2018-03-05T13:55:50",
"content": "One time The Cloud™ is good for something.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4406408",
"author": "dave",
"timestamp": "2018-03-09T10... | 1,760,374,457.294635 | ||
https://hackaday.com/2018/03/05/fpga-makes-ascii-video/ | FPGA Makes ASCII Video | Al Williams | [
"FPGA",
"Slider",
"Video Hacks"
] | [
"ascii animation",
"ascii art",
"dvi",
"fpga",
"vga"
] | Human beings like pictures which is probably why there’s the old adage “A picture’s worth a thousand words.” We take computer graphic output for granted now, but even in the earliest days for Teletypes and line printers, there was artwork made from characters ranging from Snoopy to Spock. [Wenting Z] continues the trad... | 28 | 9 | [
{
"comment_id": "4395345",
"author": "elwing",
"timestamp": "2018-03-05T09:19:40",
"content": "I see the matrix!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4395365",
"author": "Mike Massen",
"timestamp": "2018-03-05T09:31:04",
"co... | 1,760,374,457.380548 | ||
https://hackaday.com/2018/03/04/graphing-calculator-dual-boots-with-pi-zero/ | Graphing Calculator Dual Boots With Pi Zero | Tom Nardi | [
"handhelds hacks",
"hardware",
"Raspberry Pi"
] | [
"graphing calculator",
"Numworks",
"pi zero",
"raspberry pi",
"sprite_tm"
] | The nearly limitless array of consumer gadgets hackers have shoved the Raspberry Pi into should really come as no surprise. The Pi is cheap, well documented, and in the case of the Pi Zero, incredibly compact. It’s like the thing is begging to get grafted into toys, game systems, or anything else that could use a pengu... | 41 | 19 | [
{
"comment_id": "4395029",
"author": "jpa",
"timestamp": "2018-03-05T06:08:20",
"content": "Amazing hack! Though the video makes one wonder, isn’t there some way to make RPi boot faster?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4396198",
"autho... | 1,760,374,457.457059 | ||
https://hackaday.com/2018/03/04/behold-the-giant-eyes-orrery-like-iris-and-pupil-mechanism/ | Behold The Giant Eye’s Orrery-Like Iris And Pupil Mechanism | Donald Papp | [
"Robots Hacks"
] | [
"art",
"eyeball",
"gel",
"giant eye",
"glowing",
"illuminated",
"iris",
"motion tracking",
"orrery",
"pupil",
"staring eye"
] | This is an older project, but the electromechanical solution used to create
this giant, staring eyeball is worth a peek
. [Richard] and [Anton] needed a big, unblinking eyeball that could look in any direction and their solution even provides an adjustable pupil and iris size. Making the pupil dilate or contract on dem... | 13 | 4 | [
{
"comment_id": "4394847",
"author": "Carl Smith",
"timestamp": "2018-03-05T03:49:44",
"content": "While the mechanical implementation is interesting, this is a thousand times better:https://imgur.com/gallery/0lYg7",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,459.344069 | ||
https://hackaday.com/2018/03/04/hackaday-links-march-4-2018/ | Hackaday Links: March 4, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Cuba",
"Open Hardware Summit",
"osh",
"scale",
"ultrasonic"
] | Guess what’s happening next weekend?
The SoCal Linux Expo
. SCALE is in its 16th year, and is the second greatest convention happening this year at the Pasadena Convention Center. The first, of course, is AlienCon this summer, with a special guest appearance by
the guy with the hair
on Ancient Aliens. What’s cool at SC... | 7 | 6 | [
{
"comment_id": "4394521",
"author": "Clara",
"timestamp": "2018-03-05T00:10:47",
"content": "Yeah, the Hack Chat format is disorderly to use a polite term, a clusterf*** to use a less polite one. I feel like they might be better as just a normal interview with questions asked by Hackaday readers."... | 1,760,374,459.2887 | ||
https://hackaday.com/2018/03/04/a-tabletop-star-wars-themed-lego-racer-game/ | A Tabletop Star Wars Themed Lego Racer Game | Jenny List | [
"Toy Hacks"
] | [
"lego",
"lego game",
"lego mindstorms",
"star wars"
] | When it comes to the title of undisputed king of the toy construction kit world, the Danes have it. Lego are ubiquitous in the toybox, and parents worldwide know the joy of stepping barefoot on a stray brick. Aside from the themed sets for youngsters and collectors, we see a lot of Lego in projects that make it to thes... | 13 | 5 | [
{
"comment_id": "4394227",
"author": "Agamemnon Triforce",
"timestamp": "2018-03-04T21:07:57",
"content": "Reminds me of those old Tomy electro-mechanical games I had as a kid.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4394257",
"author": "Hirudinea",... | 1,760,374,459.14952 | ||
https://hackaday.com/2018/03/04/no-cat-this-is-not-the-litter-box/ | No, Cat, This Is Not The Litter Box | James Hobson | [
"Arduino Hacks",
"home hacks"
] | [
"cat",
"hackaday.io",
"infrared",
"servo",
"spray",
"uno"
] | Hackaday.io user [peterquinn] has encountered a problem with his recently unruly cat peeing under the dining table. Recognizing that the household cat’s natural enemy is the spray bottle, he built an
automatic cat sprayer
to deter her antics.
The build is clear-cut: an Arduino Uno clone for a brain, an MG995 servo, PIR... | 39 | 15 | [
{
"comment_id": "4393895",
"author": "jv",
"timestamp": "2018-03-04T18:28:48",
"content": "Nice. I’d give it a shot with a can of compressed air. No mess! There’s a product out there called Ssscat which is actually pretty effective. This build is cheaper and cleverer.",
"parent_id": null,
"d... | 1,760,374,459.457506 | ||
https://hackaday.com/2018/03/04/k40-laser-cutter-meet-raspberry-pi/ | K40 Laser Cutter, Meet Raspberry Pi | Jenny List | [
"Laser Hacks",
"Raspberry Pi"
] | [
"chinese laser cutter",
"K40",
"laser cutter",
"raspberry pi"
] | The inexpensive Chinese K40 laser cutter has become the staple of many a small workshop within our community, providing a not-very-large and not-very-powerful cutter for a not-very-high price. As shipped it’s a machine that’s not without its flaws, and there is a whole community of people who have contributed fixes and... | 24 | 10 | [
{
"comment_id": "4393809",
"author": "RandyKC",
"timestamp": "2018-03-04T17:47:28",
"content": "Any advice on how best to get one of these?I may have some money laser burning a hole in my pocket after the tax man finishes with me.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,459.718065 | ||
https://hackaday.com/2018/03/04/coolant-hoses-retasked-to-lend-a-helping-hand/ | Coolant Hoses Retasked To Lend A Helping Hand | Dan Maloney | [
"Tool Hacks"
] | [
"alligator clips",
"coolant hose",
"helping hand",
"Loc-Line",
"soldering"
] | Everyone needs a helping hand in the shop once in a while, and most of us have gone the traditional route and bought one of those little doohickies with the cast iron base and adjustable arms terminated in alligator clips. They’re cheap, they’re readily available, and they’re “Meh,” at best.
In the quest for better han... | 8 | 4 | [
{
"comment_id": "4393332",
"author": "ProfFartsparkle",
"timestamp": "2018-03-04T12:56:06",
"content": "You can actually buy such a design with a cast metal base:https://www.aliexpress.com/item/NEWACALOX-Multi-Soldering-Helping-Hands-Third-Hand-Tool-with-6pcs-Flexible-Arms-for-PCB-Board-Soldering/32... | 1,760,374,459.613796 | ||
https://hackaday.com/2018/03/04/look-out-nest-here-comes-the-wiot-2/ | Look Out Nest — Here Comes The WIoT-2 | James Hobson | [
"home hacks",
"how-to",
"Wireless Hacks"
] | [
"blynk",
"ESP8266",
"Nexiton",
"NodeMCU",
"smart home",
"weather"
] | [Dave] is an avid hacker and no stranger to Hackaday. When he decided to give his IoT weather display an upgrade, he
pulled out all the stops
.
The WIoT-2 is less of a weather station and more of an info center for their house — conveniently located by their front door — for just about anything [Dave] or his partner ne... | 14 | 4 | [
{
"comment_id": "4393445",
"author": "barry99705",
"timestamp": "2018-03-04T14:10:02",
"content": "Filmed in Potato Vision™!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4393593",
"author": "NiHaoMike",
"timestamp": "2018-03-04T15:48:52",
"conten... | 1,760,374,459.662007 | ||
https://hackaday.com/2018/03/03/wah-wah-wont-to-wah-wah-will/ | Wah-Wah-Won’t, To Wah-Wah-Will | Jenny List | [
"Musical Hacks"
] | [
"guitar",
"guitar effect",
"wah",
"wah-wah"
] | This is the tale of [Chris], who discovered he was no [Jimi Hendrix] in his youth, and shelved his trusty wah-wah pedal as a result. Many years later as a bassist with more modest aims he brought it out of retirement and
built a blend pedal kit to allow him to bring in a bit of wah to the mix when he wanted it
, but as... | 5 | 3 | [
{
"comment_id": "4392901",
"author": "John blackthorn",
"timestamp": "2018-03-04T09:38:23",
"content": "“Wah pedals seem to be a recurring feature here” as I remember it they were also a feature of electronics magazines of the 70s and 80s.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,459.382046 | ||
https://hackaday.com/2018/03/03/caped-beagle-is-fpga-superhero/ | Caped Beagle Is FPGA Superhero | Al Williams | [
"FPGA"
] | [
"beaglebone",
"fpga",
"lattice"
] | We miss the days when everything had daughterboards. Now, Arduinos have shields and Raspberry Pis have hats. The BeagleBone has capes. Whatever. However, regardless of the name, the open source
BeagleWire
cape/shield/hat/daughterboard connects to a BeagleBone and provides a Lattice iCE40HX FPGA, some support hardware, ... | 14 | 4 | [
{
"comment_id": "4392386",
"author": "Nay",
"timestamp": "2018-03-04T03:14:55",
"content": "Shields, hat, capes. Very cute, but also very confusing. Especially for less initiated people. Can’t we just agree to call it one thing and stick to that?",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,459.504753 | ||
https://hackaday.com/2018/03/03/creality-cr10-s-upgrade-shows-the-effect-of-bad-power/ | Creality CR10-S Upgrade Shows The Effect Of Bad Power | Jenny List | [
"3d Printer hacks",
"Featured"
] | [
"3d printer",
"3D printer mod",
"capacitor",
"Creality",
"Creality CR10-S"
] | The Creality CR10-S is a printer that has become quite popular, and is not an uncommon sight in a hackspace or makerspace. Some models have a slight defect, a smoothing capacitor is of insufficient size, resulting in reduced print quality. [Jozerworx] has replaced the capacitor, and
posted a full guide as to how the ta... | 39 | 12 | [
{
"comment_id": "4392116",
"author": "Edward",
"timestamp": "2018-03-04T00:23:09",
"content": "Except I wouldnt want to press that iron against the potentiometer like that….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4392644",
"author": "jozerwor... | 1,760,374,459.574465 | ||
https://hackaday.com/2018/03/03/an-old-way-to-make-a-new-crank-handle/ | An Old Way To Make A New Crank Handle | Kristina Panos | [
"classic hacks",
"Tool Hacks"
] | [
"casting",
"casting resin",
"chevy orange",
"injection molding",
"silicone mold",
"urethane resin"
] | When the crank handle on [Eric Strebel]’s cheapo drill press broke in two, did he design and print a replacement? Nah. He kicked it old school and cast a new one in urethane resin.
In his newest video, [Eric] shows us
his approach to molding and casting a handle
that’s likely stronger than the original. The old crank h... | 24 | 10 | [
{
"comment_id": "4391749",
"author": "Pirate Labs",
"timestamp": "2018-03-03T21:06:03",
"content": "Very informative and awesome article. At first, I thought it was going to be a 3D printed handle which I did not think could handle the stresses involved, but the casting approach is a great option a... | 1,760,374,459.821149 | ||
https://hackaday.com/2018/03/03/r-o-b-gets-a-proper-rc-resurrection/ | R.O.B. Gets A Proper RC Resurrection | Sonya Vasquez | [
"Toy Hacks"
] | [
"animatronics",
"nintendo",
"r.o.b"
] | More than 30 years ago, Nintendo’s R.O.B graced toy shelves, helping usher in an age of video games that is here to stay. For the few of us lucky to own one of these relics, we’ll find that R.O.B’s internal mechanisms that drive the arms and neck movements are just begging to be modified. That’s exactly what [Kenny Sto... | 3 | 2 | [
{
"comment_id": "4391474",
"author": "Pez",
"timestamp": "2018-03-03T18:33:21",
"content": "Based on the detritus in the background, it looks like that bot is being groomed to be some kind of post-apocalyptic beer-pong Rocky .. basically vanquishing the last remaining humans by having them drink the... | 1,760,374,460.613295 | ||
https://hackaday.com/2018/03/03/automated-syrup-system-is-sweet-sweet-madness/ | Automated Syrup System Is Sweet Sweet Madness | Tom Nardi | [
"Arduino Hacks",
"cooking hacks"
] | [
"arduino",
"automation",
"maple syrup",
"production",
"reverse osmosis"
] | Here at Hackaday we are big fans of the TV show, “
How It’s Made”
. It’s not much of a stretch to assume that, as somebody who is currently reading this site, you’ve probably seen it yourself. While it’s always interesting to see the behind the scenes process to create everyday products, one of the most fascinating asp... | 33 | 11 | [
{
"comment_id": "4391042",
"author": "Prfesser",
"timestamp": "2018-03-03T15:13:33",
"content": "So it sounds like he started with 16-18 gallons of sap? Probably easier to collect the old-fashioned way but for larger quantities this is just the thing.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,461.143747 | ||
https://hackaday.com/2018/03/03/thermal-camera-diagnoses-thermal-issue-on-a-sonoff-switch/ | Thermal Camera Diagnoses Thermal Issue On A Sonoff Switch | Dan Maloney | [
"Repair Hacks",
"Tool Hacks"
] | [
"ESP8266",
"flir",
"flir one",
"heat",
"ir",
"NCP1117",
"runaway",
"sonoff",
"Thermal"
] | No matter what your experience level with troubleshooting, there’s always at least a little apprehension when you have to start poking through a mains powered device. A little fear is a good thing; it keeps you focused. For some, though, the aversion to playing with high voltage is too much, which can cause problems wh... | 47 | 16 | [
{
"comment_id": "4390638",
"author": "Steven-X",
"timestamp": "2018-03-03T12:06:46",
"content": "Back in the day we would use “freeze spray” on suspect components, if it started working normal again you found a part that was thermally intermittent.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,460.527419 | ||
https://hackaday.com/2018/03/03/hacking-a-30-year-old-russian-vfd/ | Hacking A 30-year-old Russian VFD | Rich Hawkes | [
"clock hacks",
"hardware",
"Microcontrollers"
] | [
"ATmega 328",
"clock",
"DS3231",
"max6934",
"real time clock",
"vacuum fluorescent display",
"vfd display"
] | Reddit user [InThePartsBin] found some VFDs (Vacuum Fluorescent Displays) on an old PCB on eBay. The Russian boards date from 1987 and have a bunch of through-hole resistors, transistors and a some mystery ICs, plastic wraps around the legs and the top of the tube is held steady by a rubber grommet (the tip itself goes... | 8 | 3 | [
{
"comment_id": "4390223",
"author": "rnjacobs",
"timestamp": "2018-03-03T10:02:58",
"content": "The К155ЛА3 was the Soviet equivalent of a 74’00.Can’t see enough detail to figure out why it’s there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4390962",
... | 1,760,374,460.442617 | ||
https://hackaday.com/2018/03/01/laser-rotary-adapter-gets-you-rolling/ | Laser Rotary Adapter Gets You Rolling | Sonya Vasquez | [
"Laser Hacks"
] | [
"CNC rotary axis",
"laser cutter",
"rotary axis"
] | Laser cutters are becoming more garage-accessible with overseas imports, but plenty of us still need to drop in on the college campus or makerspace to get our cuts. Having a laser onsite is a nice touch, but having a rotary axis is almost unheard of. These nifty add-ons enable your laser to cut and engrave radially sym... | 10 | 4 | [
{
"comment_id": "4385171",
"author": "Simon",
"timestamp": "2018-03-01T21:13:17",
"content": "I am confused about the “affects the angle of rotation” remark.The idea is, that the roller wheels travel on the surface according to the y axis movement and transfer the distance travelled into a rotation ... | 1,760,374,460.575047 | ||
https://hackaday.com/2018/03/01/mechanisms-the-reed-switch/ | Mechanisms: The Reed Switch | Kristina Panos | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"appliances",
"bell labs",
"electromagnet",
"electromagnetic switch",
"hall effect sensor",
"iridium",
"magnets",
"reed relay",
"reed switch",
"telecommunications",
"tungsten",
"W.B. Ellwood"
] | Just about everywhere you go, there’s a reed switch nearby that’s quietly going about its work. Reed switches are so ubiquitous that you’re probably never more than a few feet away from one at any given time, especially at home or in the car. You might have them on your doors and windows as part of a burglar alarm syst... | 75 | 23 | [
{
"comment_id": "4384752",
"author": "Robert Mateja",
"timestamp": "2018-03-01T18:14:23",
"content": "Seriously! That’s it! I want to do it for long time, but this triggered me! I’m going to steal and print all original art on my wall! They are better and better every time! Kudos to the artist!",
... | 1,760,374,460.845216 | ||
https://hackaday.com/2018/03/01/images-as-excel-files-are-gloriously-nasty/ | Images As Excel FIles Are Gloriously Nasty | Jenny List | [
"computer hacks",
"Slider"
] | [
"excel",
"microsoft office",
"office"
] | Almost every person of a technical persuasion who has worked in an office will have some tale of wildly inappropriate use of office technology for a task that could have been accomplished far more simply with an appropriate tool. There are jokes about people photocopying a blank sheet of paper when they need a few shee... | 58 | 22 | [
{
"comment_id": "4384493",
"author": "jafinch78",
"timestamp": "2018-03-01T16:34:29",
"content": "You don’t have to approve this post… though there’s a typo I think when using “farm” in the first paragraph where “…been accomplished farm more simply.” Maybe there is a pun in regards to mining files ... | 1,760,374,460.936444 | ||
https://hackaday.com/2018/03/01/review-neje-dk-8-kz-laser-engraver/ | Review: NEJE DK-8-KZ Laser Engraver | Tom Nardi | [
"hardware",
"Laser Hacks",
"Reviews"
] | [
"DK-8-KZ",
"EzGraver",
"laser",
"laser engraver",
"NEJE"
] | When I got my first 3D printer I was excited, but now that I’m contemplating adding a forth to my collection, I have to come to the terms with the fact that these machines have all the novelty of a screwdriver at this point. Which is fine; getting the cost down and availability up is the key to turning a niche piece of... | 100 | 43 | [
{
"comment_id": "4384292",
"author": "Ted",
"timestamp": "2018-03-01T15:08:56",
"content": "I wonder if combining chemical etching with the laser would work. Like, cover plain copper clad with a thin dark-colored layer of weak etchant that works very slowly at room temperatures, but speeds up when ... | 1,760,374,461.07227 | ||
https://hackaday.com/2018/03/01/memcached-servers-abused-for-ddos-attacks/ | Memcached Servers Abused For DDoS Attacks | Bob Baddeley | [
"internet hacks",
"Network Hacks",
"News",
"Security Hacks"
] | [
"attack",
"botnet",
"ddos",
"internet of things",
"IoT",
"IoT botnet",
"memcache",
"network",
"security"
] | Cloudflare announced recently that they are seeing an increase in
amplification attacks using memcached servers
, and that this exploit has the potential to be a big problem because memcached is capable of amplifying an attack significantly. This takes DDoS attacks to a new level, but the good news is that the problem ... | 11 | 4 | [
{
"comment_id": "4384136",
"author": "Ostracus",
"timestamp": "2018-03-01T14:10:26",
"content": "” And the solution is to turn off public-facing memcached over UDP, but the larger solution is to think about what things you are making available to the Internet, and how they can be used maliciously.”O... | 1,760,374,460.658325 | ||
https://hackaday.com/2018/03/01/bye-bye-maplin/ | Bye Bye, Maplin | Jenny List | [
"News"
] | [
"Maplin",
"Maplin catalogue",
"retail"
] | Well, that was quick. Four days ago we mentioned that the British electronics retail chain Maplin was being offered for sale, and today it has been announced that no buyer has been found and
the company is going into administration
.
We dealt with all the nostalgia for what was roughly a British equivalent to Radio Sha... | 97 | 23 | [
{
"comment_id": "4382952",
"author": "STᕮᑭᕼᕮᑎ (SᑭᗩᖇKᕮS) ᑭᗩᖇKᕮS (@steve_parkes)",
"timestamp": "2018-03-01T09:08:12",
"content": "Tandy was the British Radio Shack. Maplin was much rarer on the highstreet until about 20 years ago. It used to do most of it’s business via catalogs like RS.",
"par... | 1,760,374,461.272425 | ||
https://hackaday.com/2018/02/28/cheap-and-easy-helmet-lights-for-the-kids/ | Cheap And Easy Helmet Lights For The Kids | Lewin Day | [
"LED Hacks"
] | [
"bike",
"bike helmet",
"helmet",
"led"
] | Bikes are a great way to get around and get exercise at the same time, and are widely popular with human children due to the fact that they’re generally not allowed to drive. However, riding on or next to the road can be dangerous, particularly at night, when even adults on bikes are hard to see. It’s far worse for the... | 31 | 12 | [
{
"comment_id": "4382763",
"author": "Crash",
"timestamp": "2018-03-01T07:58:25",
"content": "Sticking objects to helmets can severely impact their effectiveness. There something to be said for preventing the need for them in the first place, but helmets are designed to function in a very specific ... | 1,760,374,461.336889 | ||
https://hackaday.com/2018/03/02/printed-it-custom-enclosure-generator/ | Printed It: Custom Enclosure Generator | Tom Nardi | [
"3d Printer hacks",
"Parts"
] | [
"custom enclosure",
"enclosure",
"openscad",
"parametric",
"Printed It"
] | You’ve written your firmware code, etched your own PCB, and now it’s time to put that awesome new project of yours into an enclosure. Unfortunately, all you have is a generic Radio Shack project box that you picked up when they were clearing out their inventory. If you put your project in that, it’ll have all the style... | 39 | 16 | [
{
"comment_id": "4387510",
"author": "Greg A",
"timestamp": "2018-03-02T15:09:11",
"content": "hi everyone, i want you to know i’m one of the snobs in this here comment section and i have to say:openscad is easy. it’s easier to just make your own enclosure from scratch, especially if it’s as simple ... | 1,760,374,461.41786 | ||
https://hackaday.com/2018/03/02/new-part-day-atmegas-with-programmable-logic/ | New Part Day: ATMegas With Programmable Logic | Brian Benchoff | [
"Hackaday Columns",
"hardware"
] | [
"atmega",
"ATMega4809",
"ccl",
"Configurable Custom Logic",
"LUT",
"microchip",
"New Part Day"
] | Since Microchip acquired Atmel, the fields of battle have fallen silent. The Crusaders have returned home, or have been driven into the sea. The great microcontroller holy war is over.
As with any acquisition, there is bound to be some crossover between two product lines. Both Atmel’s AVR platform and Microchip’s PICs ... | 60 | 22 | [
{
"comment_id": "4387147",
"author": "azerimaker",
"timestamp": "2018-03-02T12:30:48",
"content": "Yesterday at Embedded World 2018 Microchip representative also gave hints on including AVR and SAM family in the future release of the MPLAB X, but they will keep maintaining Atmel studio as well.",
... | 1,760,374,461.510304 | ||
https://hackaday.com/2018/03/02/diy-text-to-speech-with-raspberry-pi/ | DIY Text-to-Speech With Raspberry Pi | Kristina Panos | [
"how-to",
"Lifehacks",
"Raspberry Pi"
] | [
"assistive technology",
"document reader",
"flite",
"ocr",
"Raspberry Pi 3",
"speech synthesis",
"tesseract",
"text to speech"
] | We can almost count on our eyesight to fail with age, maybe even past the point of correction. It’s a pretty big flaw if you ask us. So, how can a person with aging eyes hope to continue reading the printed word?
There are plenty of commercial document readers available that convert text to speech, but they’re expensiv... | 10 | 5 | [
{
"comment_id": "4387403",
"author": "joeatconsultingjoe",
"timestamp": "2018-03-02T14:20:21",
"content": "1stNice project. Would be cooler to have a better voice but awesome work.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4388062",
"author": "y... | 1,760,374,462.087777 | ||
https://hackaday.com/2018/03/01/who-ate-all-the-pi/ | Who Ate All The Pi? | Jenny List | [
"Raspberry Pi"
] | [
"raspberry pi",
"Raspberry Pi birthday",
"SBC",
"sincle board computer"
] | Wednesday was the last day of February, and leap year questions aside that date marks the anniversary of the Raspberry Pi launch. The oldest commercially available Pi is now 6 years old, and to mark the occasion
the Raspberry Pi people have put up a retrospective of all their different models
.
There is a primordial pr... | 44 | 16 | [
{
"comment_id": "4386266",
"author": "Ostracus",
"timestamp": "2018-03-02T06:16:38",
"content": "“WHO ATE ALL THE PI?”With a headline like that I was expecting a cake done up as a Raspberry Pi.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4386816",
... | 1,760,374,462.362574 | ||
https://hackaday.com/2018/03/01/another-introduction-to-fpgas/ | Another Introduction To FPGAs | Al Williams | [
"FPGA"
] | [
"Altera",
"fpga",
"intel"
] | FPGAs can have a steep learning curve, so getting started tutorials are a popular topic. Intel recently
published a video
titled “Basics of Programmable Logic: FPGA Architecture” and you can see it below. Of course, Intel bought Altera, so the material has a bit of Altera/Intel flavor to it, but the course is generic e... | 33 | 9 | [
{
"comment_id": "4386097",
"author": "RÖB",
"timestamp": "2018-03-02T04:44:31",
"content": "LEarning a MACRO HDL language like VHDL or Verilog really is a GATEway to LUTs of interesting things.I wish there was some standard to convert between different manufacturers units like Gates, LEs, LUTs and M... | 1,760,374,462.289286 | ||
https://hackaday.com/2018/03/01/finding-noise-with-an-antenna/ | Finding Noise With An Antenna | Kristina Panos | [
"Radio Hacks"
] | [
"active antenna",
"HF",
"loop antenna",
"noise",
"QRM",
"sdr"
] | [K5ACL], aka [SignalSearch], recently brought his active receive loop antenna in off the roof to give it a checkup and perform any necessary maintenance. While it was in the shack,
he took the opportunity to discuss how well it would perform indoors
. The verdict? Not ideal. He’d mount it 50 feet away from the house if... | 3 | 2 | [
{
"comment_id": "4385584",
"author": "JimBeam",
"timestamp": "2018-03-02T00:32:09",
"content": "Neither if your links at the bottom are for active antennas. They are both passive, tuned loops. Active receive antennas have, you know, active components ie amplifiers in them.",
"parent_id": null,
... | 1,760,374,461.900298 | ||
https://hackaday.com/2018/03/01/pinging-the-depths-of-a-rain-barrel/ | Pinging The Depths Of A Rain Barrel | Kristina Panos | [
"Arduino Hacks",
"green hacks"
] | [
"arachnophobia",
"Arduino Pro",
"feature creep",
"rain barrel",
"ultrasonic distance sensor"
] | Rain barrels are a great way to go green, as long as your neighborhood doesn’t frown upon them. [NikonUser]’s barrel sits up high enough that he has to climb up on an old BBQ and half-dangle from the pipe to check the water level, all the while at the risk of encountering Australian spiders.
Arachnophobia, it turns out... | 52 | 16 | [
{
"comment_id": "4385154",
"author": "Saabman",
"timestamp": "2018-03-01T21:06:54",
"content": "Rain barrel WTF everyone knows its a rain tank :roll eyes: Yanks.. I dont know ;-)my tanks could use something like that – with an remote readout would be good :)",
"parent_id": null,
"depth": 1,
... | 1,760,374,462.222738 | ||
https://hackaday.com/2018/03/02/fire-extinguisher-ball-mill-destined-to-grind-kitty-litter/ | Fire Extinguisher Ball Mill Destined To Grind Kitty Litter | Dan Maloney | [
"Tool Hacks"
] | [
"ball mill",
"bentonite",
"fire extinguisher",
"mill",
"powder",
"sand casting"
] | Nothing says hack like a tool quickly assembled from a few scrap-heap parts. For [Turbo Conquering Mega Eagle], his junkyard finds were a fire extinguisher, an old office fan, and a few scraps of plywood; the result was
a quick and easy ball mill
.
There’s very little mention of what said ball mill will be for — [TCME]... | 15 | 8 | [
{
"comment_id": "4389670",
"author": "commenter",
"timestamp": "2018-03-03T07:29:31",
"content": "Whoops, I meant to say what’s the green rubbery pulley material he uses?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4390382",
"author": "Paul G",
"tim... | 1,760,374,462.136366 | ||
https://hackaday.com/2018/03/02/what-is-twitter-without-the-numbers/ | What Is Twitter Without The Numbers? | Kristina Panos | [
"chemistry hacks",
"Lifehacks"
] | [
"FOMO",
"metrics",
"social analytics",
"Social Media",
"twitter",
"twittering"
] | How many people liked your last tweet? Oh yeah? Didja get any retweets? Was it enough to satisfy your need for acceptance, or were you disappointed by the Twitterverse’s reaction?
If you couldn’t see the number of likes, retweets, or followers you had, would you still even use Twitter?
[Ben Grosser] wants to know. He’s... | 12 | 6 | [
{
"comment_id": "4389217",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-03-03T03:05:37",
"content": "I confess it seems the chap seems to be chasing zebras here. But it is a good idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4389235",
"author": ... | 1,760,374,461.943954 | ||
https://hackaday.com/2018/03/02/tiny-function-generator-on-the-attiny85-complete-with-oled/ | Tiny Function Generator On The ATtiny85, Complete With OLED | Donald Papp | [
"Microcontrollers"
] | [
"attiny",
"attiny85",
"AVR",
"bench equipment",
"dds",
"direct digital synthesis",
"function generator",
"i2c",
"microcontroller",
"oled",
"rotary encoder"
] | It’s easy to have a soft spot for “mini” yet perfectly functional versions of electronic workbench tools, like [David Johnson-Davies]’s
Tiny Function Generator
which uses an ATtiny85 to generate different waveforms at up to 5 kHz. It’s complete with a small OLED display to show the waveform and frequency selected. One ... | 4 | 3 | [
{
"comment_id": "4389101",
"author": "yeti",
"timestamp": "2018-03-03T01:56:54",
"content": "<3 T85\\o/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4391012",
"author": "Greg A",
"timestamp": "2018-03-03T14:57:30",
"content": "i had one question,... | 1,760,374,462.540663 | ||
https://hackaday.com/2018/03/02/solar-power-in-a-can/ | Solar Power In A Can! | James Hobson | [
"Solar Hacks"
] | [
"ammo box",
"backup",
"battery",
"camping",
"instructables",
"portable",
"solar"
] | When spending time camping, people often bring lanterns, flashlights, and the like — you might even bring along a solar charger. Instructables user [bennelson] is combining all your electrical powered needs by cramming
solar power into a can
.
Already designed to resist the elements, [bennelson] is using a 50cal. ammo ... | 17 | 11 | [
{
"comment_id": "4388443",
"author": "Pirate Labs",
"timestamp": "2018-03-02T21:07:04",
"content": "That looks like a very nice, complete build including the often forgotten fuse. Very good job.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4388612",
"au... | 1,760,374,462.462551 | ||
https://hackaday.com/2018/03/02/microchip-acquires-microsemi-for-8-35b/ | Microchip Acquires Microsemi For $8.35B | Brian Benchoff | [
"News"
] | [
"Mergers",
"mergers and acquisitions",
"microchip",
"Microsemi"
] | Microchip has acquired Microsemi for $8.35 Billion dollars
. Rumors of this acquisition were floating around earlier this week, but now the deal is done.
This acquisition is the latest in a years-long process of consolidation in the silicon industry. Previously, Broadcom attempted a hostile takeover of Qualcomm for
One... | 37 | 12 | [
{
"comment_id": "4388227",
"author": "Buegie",
"timestamp": "2018-03-02T19:46:10",
"content": "And AutoDesk totally owns Eagle now!That counts right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4388232",
"author": "robertbaruch",
"timestamp": "2018-... | 1,760,374,462.607908 | ||
https://hackaday.com/2018/03/02/unionize-your-variables-an-introduction-to-advanced-data-types-in-c/ | Unionize Your Variables – An Introduction To Advanced Data Types In C | Sven Gregori | [
"Hackaday Columns",
"Slider",
"Software Development"
] | [
"C language",
"c programming",
"c/c++",
"data structure",
"programming language",
"software development"
] | Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them as wildly as we please, but it often makes sense to have a little bit more structure, and combine data that belongs together in ... | 61 | 23 | [
{
"comment_id": "4387971",
"author": "Roman",
"timestamp": "2018-03-02T18:19:55",
"content": "The third code snippet, printing in the end: aren’t those “0x” nonsense?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4388090",
"author": "Erik Johnson",
... | 1,760,374,463.109337 | ||
https://hackaday.com/2018/03/02/basic-sequencer-for-your-synth-rack/ | Basic Sequencer For Your Synth Rack | Lewin Day | [
"Musical Hacks"
] | [
"adc",
"binary",
"patch cables",
"rack mount synth",
"rack synth",
"rackmount synth",
"rackmount synthesizer",
"sequencer"
] | Sequencers are useful for bringing regular structure to your music, particularly if you enjoy noodling around with rackmount synthesizers.
[little-scale] is here to share an ADC Binary Gate sequencer for your setup.
In a quest for ever greater minimalism, the build relies on a barebones ATMega328p without an external o... | 9 | 4 | [
{
"comment_id": "4387768",
"author": "dahud",
"timestamp": "2018-03-02T16:59:47",
"content": "So if the pot is set to 240 (11110000), would it trigger on four beats in a row, then be silent for four beats? That seems like a really fiddly control scheme, since you’d need to hit an exact point on a no... | 1,760,374,462.84004 | ||
https://hackaday.com/2018/02/28/microsoft-quantum-simulator-goes-to-linux-and-mac/ | Microsoft Quantum Simulator Goes To Linux And Mac | Al Williams | [
"computer hacks",
"News"
] | [
"microsoft",
"quantum",
"quantum computing"
] | Everyone seems to be gearing up for the race to be the king of quantum computers. The latest salvo is Microsoft’s, they have announced that their
quantum simulator
will now run on macOS and Linux, with associated libraries and examples that are now fully open source. They have produced a video about the new release, wh... | 13 | 7 | [
{
"comment_id": "4382669",
"author": "imayoda",
"timestamp": "2018-03-01T05:35:45",
"content": "2018 is quantum, Ai and deep learning.. Strong words to say nothing… Well, some undefined almost random quasi nothingNow go ahead and eat me, one useless x86 coding language at a time",
"parent_id": n... | 1,760,374,462.998254 | ||
https://hackaday.com/2018/02/28/monitor-power-consumption-of-low-power-devices/ | Monitor Power Consumption Of Low-Power Devices | Bryan Cockfield | [
"Tool Hacks"
] | [
"battery",
"energy",
"ESP8266",
"meter",
"NodeMCU",
"power",
"usage"
] | Perhaps the most important consideration to make when designing a battery-operated device of any kind is the power consumption. Keeping it running for longer between battery changes is often a key design point. To that end, if you need to know how small programming changes will impact the power consumption of your devi... | 14 | 4 | [
{
"comment_id": "4382364",
"author": "Dan Julio",
"timestamp": "2018-03-01T01:30:57",
"content": "Couple of things to think about when measuring current consumption of very low power devices: Bandwidth of the current sensor and sample rate. Often very low power devices have widely varying [relative... | 1,760,374,462.954075 | ||
https://hackaday.com/2018/02/28/fpga-calculator-uses-joystick/ | FPGA Calculator Uses Joystick | Al Williams | [
"FPGA"
] | [
"calculator",
"fpga",
"papilio",
"vhdl"
] | FPGAs are great fun, but sometimes you need a few starter projects under your belt. These projects might be something you could just as well do with a CPU, but you have to start somewhere. [LambdaPI] recently shared
a 4-bit calculator created using an FPGA
, and you can see it in the video below.
The calculator uses a ... | 10 | 7 | [
{
"comment_id": "4382209",
"author": "codifies",
"timestamp": "2018-02-28T22:17:01",
"content": "maybe one day open source tools will come to spartan 7, then I’ll dust my pappillio board off, I’ve just been having way more fun with icestorm…",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,462.907177 | ||
https://hackaday.com/2018/02/28/repairs-you-can-print-contest-meet-the-winners/ | Repairs You Can Print Contest: Meet The Winners | Kristina Panos | [
"contests",
"News",
"Slider"
] | [
"honorable mentions",
"Prusa i3 Mk3",
"Repairs You Can Print",
"Tindie",
"winners"
] | Six weeks ago, we asked you to show us your best 3D printed repairs for a chance to win $100 in Tindie credit and other prizes. You answered the call with fixes for everything from the stuff everyone has, like zippers and remotes, to the more obscure stuff, like amazing microscopes scavenged from dumpsters.
It was hard... | 21 | 7 | [
{
"comment_id": "4382092",
"author": "Tom Nardi",
"timestamp": "2018-02-28T19:49:34",
"content": "So many excellent entries into this contest, the community really answered the call on this one. It was great to see so many replacement parts and fixes that, to me, are the quintessential 3D printed fi... | 1,760,374,463.174287 | ||
https://hackaday.com/2018/02/28/katherine-johnson-computer-to-the-stars/ | Katherine Johnson: Computer To The Stars | Steven Dufresne | [
"Biography",
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"apollo 11",
"computer",
"Computing",
"math",
"mathematics",
"mecury-redstone"
] | In 1962, John Glenn sat in his capsule waiting for his rocket engines to light-up and lift him to space. But first, he insisted that Katherine Johnson double-check the electronic computer’s trajectory calculations. While that’s the dramatic version of events given in the recent movie,
Hidden Figures
, the reality isn’t... | 22 | 9 | [
{
"comment_id": "4382040",
"author": "Jag",
"timestamp": "2018-02-28T18:33:50",
"content": "Simply amazing to think she’ll be 200 later this year!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4382065",
"author": "lurch",
"timestamp": "2018-... | 1,760,374,463.341387 | ||
https://hackaday.com/2018/02/28/friday-hack-chat-everything-pcb/ | Friday Hack Chat: Everything PCB | Brian Benchoff | [
"Hackaday Columns"
] | [
"Hack Chat",
"osh park",
"oshpark",
"pcb"
] | It was not too long ago that all PCB design packages were proprietary. Getting PCBs made was expensive, and if you tried to do this over the Internet, the best way was to download a board house’s proprietary software, design your board in their software suite, and send your boards off to be made. A 5 cm square board wo... | 14 | 7 | [
{
"comment_id": "4382009",
"author": "Ostracus",
"timestamp": "2018-02-28T17:41:56",
"content": "Guess we can sandwich this between, “how I came up with a viable design”, and “so you got your board back, now what”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,374,463.39558 | ||
https://hackaday.com/2018/02/28/detoured-fabbing-at-the-art-institute-of-chicago/ | Detoured: Fabbing At The Art Institute Of Chicago | Brian Benchoff | [
"Hackerspaces"
] | [
"Art Institute of Chicago",
"detoured",
"hackerspace",
"shop",
"tour"
] | [Majenta Strongheart] is one of the talented folks who works at the SupplyFrame Design Lab, home to dozens of Hackaday meetups, the Hackaday Superconference, and when the shop floor isn’t filled with chairs, is the place where tons of awesome projects are fabricated. [Majenta]’s role at the Design Lab is a Staff Design... | 11 | 3 | [
{
"comment_id": "4381979",
"author": "DainBramage",
"timestamp": "2018-02-28T16:52:11",
"content": "Wow! Those are some serious impressive facilities! I’ve worked in factories that didn’t have shops that well equipped!",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,463.509908 | ||
https://hackaday.com/2018/02/27/microgamer-is-a-microbit-handheld-console/ | Microgamer Is A Micro:Bit Handheld Console | Jenny List | [
"Microcontrollers"
] | [
"console",
"diy handheld",
"handheld",
"handheld console",
"Micro:bit"
] | The BBC micro:bit single board ARM computer aimed at education does not feature as often as many of its competitors in these pages. It’s not the cheapest of boards, and interfacing to it in all but the most basic of ways calls for a slightly esoteric edge connector. We’re then very pleased to see that edge connector t... | 25 | 7 | [
{
"comment_id": "4381004",
"author": "rnjacobs",
"timestamp": "2018-02-27T20:00:59",
"content": "I was just going to comment on this being a modern recapitulation of the Microvision from forever ago, and then I got excited by the LEDs on the back of the micro:bit.Now I’m trying to figure out how you... | 1,760,374,463.453787 | ||
https://hackaday.com/2018/02/27/chopper-and-chopper-stabilised-amplifiers-what-are-they-all-about-then/ | Chopper And Chopper-Stabilised Amplifiers, What Are They All About Then? | Jenny List | [
"Parts"
] | [
"auto zero amplifier",
"Chopper",
"chopper amplifier",
"chopper stabilised"
] | One of my first jobs as a freshly minted graduate engineer involved the maintenance of a set of analogue chart recorders. They were museum pieces by the early 1990s: a motorized roll of graph paper across which a pen would traverse in proportion to the voltage on the input terminals. Inside was a simple servo, with a d... | 21 | 13 | [
{
"comment_id": "4380957",
"author": "leeahart",
"timestamp": "2018-02-27T19:13:11",
"content": "Actually, every one of us has a chopper-stabilized opamp right on our bench, that we use every day. DMMs use them to automatically guarantee a zero reading with 0 volts input. DMM chips as far back as th... | 1,760,374,463.574145 | ||
https://hackaday.com/2018/02/27/fail-of-the-week-the-little-ultrasonic-knife-that-couldnt/ | Fail Of The Week: The Little Ultrasonic Knife That Couldn’t | Dan Maloney | [
"Fail of the Week",
"Tool Hacks"
] | [
"blade",
"cleaner",
"cutter",
"fail of the week",
"knife",
"transducer",
"ultrasonic",
"ultrasound"
] | We all know the feeling of an idea that sounded great when it was rattling around in our head, only to disappoint when we actually build the thing. It’s a natural consequence of trying new stuff, and when it happens, we salvage what we can and move on, hopefully in wisdom.
The thing that at least semi-defeated [This Ol... | 44 | 17 | [
{
"comment_id": "4380824",
"author": "Elmesito",
"timestamp": "2018-02-27T16:42:39",
"content": "This Old Tony is one of the best youtube channela out there, even f you’re not interested in mechanical engineering. His witty, absurd and unexpected commentary gets you laughing and rewinding back to c... | 1,760,374,463.670626 | ||
https://hackaday.com/2018/02/27/can-open-source-hardware-be-like-open-source-software/ | Can Open-source Hardware Be Like Open-source Software? | Elliot Williams | [
"Biography",
"Featured",
"Interest",
"Original Art",
"Rants"
] | [
"hardware",
"open source",
"oshw",
"pull request"
] | Hardware and software are certainly different beasts. Software is really just information, and the storing, modification, duplication, and transmission of information is essentially free. Hardware is expensive, or so we think, because it’s made out of physical stuff which is costly to ship or copy. So when we talk abou... | 116 | 25 | [
{
"comment_id": "4380780",
"author": "Jerry",
"timestamp": "2018-02-27T15:34:46",
"content": "Some open source already out.. Didn’t Chevy build a car with a Toyota engine?Maybe not exactly open source..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4380798"... | 1,760,374,463.888618 | ||
https://hackaday.com/2018/02/27/investigating-the-worlds-rarest-game-boy/ | Investigating The World’s Rarest Game Boy | Tom Nardi | [
"classic hacks",
"Nintendo Game Boy Hacks"
] | [
"backlit",
"game boy",
"game boy color",
"GBC",
"IPS"
] | Early last year, a very unique Game Boy Color showed up on Chinese shopping site Taobao. Rather than the rather anemic-looking display of the original GBC, this version was modified with a modern IPS LCD. Even in the pictures shown on the product page, it was clear the display on this unit was far more advanced than an... | 20 | 6 | [
{
"comment_id": "4380664",
"author": "TERRA Operative",
"timestamp": "2018-02-27T12:42:31",
"content": "Hopefully someone digs deeper and figures out how to replicate this.Or the seller starts mass producing them….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,463.729785 | ||
https://hackaday.com/2018/02/27/one-week-left-for-hackaday-belgrade-proposals/ | One Week Left For Hackaday Belgrade Proposals | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"call for proposals",
"Hackaday Belgrade",
"Hackaday Belgrade 2018"
] | Do you have your tickets for
Hackaday Belgrade
? Our premiere European conference is on 26 May and tickets are on a rapid trajectory to sell out.
Those of you weighing the idea of presenting a talk, you now have less than one week to
get your proposal to us
. While we have already accepted several exemplary talks, fina... | 0 | 0 | [] | 1,760,374,463.927004 | ||
https://hackaday.com/2018/02/27/reverse-engineering-opens-up-the-samsung-gear-vr-controller/ | Reverse Engineering Opens Up The Samsung Gear VR Controller | Richard Baguley | [
"Tool Hacks",
"Virtual Reality"
] | [
"bluetooth",
"virtual reality"
] | We love a bit of reverse engineering here at Hackaday, figuring out how a device works from the way it communicates with the world. This project from [Jim Yang] is a great example of this: he
reverse-engineered the Samsung Gear VR controller
that accompanies the
Gear VR add-on for their phones
. By digging into the APK... | 4 | 2 | [
{
"comment_id": "4380831",
"author": "Jake",
"timestamp": "2018-02-27T17:01:21",
"content": "This would make a sick HTPC remote",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4381209",
"author": "Nomen Nescio",
"timestamp": "2018-02-28T00:05:... | 1,760,374,463.962993 |
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