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https://hackaday.com/2019/03/06/the-strangest-gameboy-emulator-weve-seen-yet/ | The Strangest Gameboy Emulator We’ve Seen Yet | Al Williams | [
"Games"
] | [
"elisp",
"Emacs",
"gameboy",
"lisp",
"nintendo"
] | In the secret Hackaday bunker, we have some emacs users, some vi users, and some people who don’t really care. However, even the staunchest of our emacs supporters had to do a double take at [Vreeze’s] project that creates
a GameBoy emulator
using the venerable text editor. You can see [Alexei Nunez’s] reaction to the ... | 16 | 4 | [
{
"comment_id": "5946693",
"author": "Mac EEE",
"timestamp": "2019-03-06T13:55:05",
"content": "Well it’s about damn time!I’m going to have to show my daughter this. She is in 3rd grade but for some reason seems to have a thing for video games from my youth. Now I’ll make an Emacs user out of her f... | 1,760,374,018.459124 | ||
https://hackaday.com/2019/03/05/3d-printing-photos-is-slow-but-awesome/ | 3D Printing Photos Is Slow But Awesome | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed image",
"art",
"lithophane"
] | Historically speaking, lithophanes are images made in porcelain with an etching or moulding process, in which an image is visible when backlit due to the varying thickness of the material. Porcelain isn’t the easiest thing to work with, but thankfully for those of us in the present, 3D printers are here to make everyth... | 13 | 8 | [
{
"comment_id": "5946428",
"author": "Im-pro.at",
"timestamp": "2019-03-06T09:39:18",
"content": "I have an implementation of this in my Webshop laser.im-pro.at :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5946548",
"author": "aleksclark",
"times... | 1,760,374,018.235936 | ||
https://hackaday.com/2019/03/05/forget-the-kiln-these-tiles-were-made-on-a-prusa/ | Forget The Kiln, These Tiles Were Made On A Prusa | Tom Nardi | [
"3d Printer hacks",
"Art",
"home hacks"
] | [
"filler",
"Home Decor",
"sanding",
"sealer",
"TILE"
] | Where does your mind go when you think of 3D printed parts? Running off hard to find replacement components? Maybe spinning up a bespoke electronics enclosure? Occasionally the little boat that you can compare to the little boats of others online? All reasonable enough answers. But thanks to the work of [Matthew Wentwo... | 22 | 8 | [
{
"comment_id": "5942995",
"author": "Matthew Wentworth",
"timestamp": "2019-03-05T13:56:13",
"content": "Happy you like my work! Thanks for the awesome write up!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5943498",
"author": "johnrpm",
... | 1,760,374,018.656528 | ||
https://hackaday.com/2019/03/05/making-a-hammer-with-beautiful-engravings/ | Making A Hammer With Beautiful Engravings | Lewin Day | [
"Tool Hacks"
] | [
"engraving",
"hammer",
"tool"
] | Tools are a key part of any maker’s pursuit of their work. For most of us, our tools come from the local hardware store or are purchased online. Some prefer to craft their own, however, and
[Uri Tuchman] is just one such person.
[Uri] starts at the absolute beginning, with a piece of unfinished rectangular stock. The w... | 19 | 9 | [
{
"comment_id": "5942740",
"author": "shrad",
"timestamp": "2019-03-05T10:45:21",
"content": "Absolute beginning = iron ore and charcoal… some do this, so it is worth not defining a stock bar as absolute beginning",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,018.185086 | ||
https://hackaday.com/2019/03/04/the-primordial-sinclair-zx-spectrum-emerges-from-the-cupboard/ | The Primordial Sinclair ZX Spectrum Emerges From The Cupboard | Jenny List | [
"Retrocomputing"
] | [
"prototype",
"sinclair",
"sinclair spectrum",
"spectrum",
"ZX Spectrum"
] | The Centre for Computing History in Cambridge, UK, receive many donations from which they can enrich their collection and museum displays. Many are interesting but mundane, but the subject of their latest video is far from that. The wire-wrapped prototype board they reveal with a flourish from beneath a folded antistat... | 12 | 8 | [
{
"comment_id": "5942435",
"author": "ManicaLuca",
"timestamp": "2019-03-05T07:16:47",
"content": "Oh my, what I wouldn’t do to have that it my collection :0https://my.pcloud.com/publink/show?code=XZMrzq7ZdHxy88Lo4PkvkcG0UFXDcfjc4fpX",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,374,018.129884 | ||
https://hackaday.com/2019/03/04/reducing-carbon-emissions-with-coal/ | Reducing Carbon Emissions With Coal | Al Williams | [
"chemistry hacks"
] | [
"carbon dioxide",
"carbon emissions",
"coal",
"electrochemstry",
"gallium",
"liquid metal"
] | It might seem like a paradox, but coal might hold the answer to solving carbon emission problems. The key isn’t burning it, but creating it using carbon dioxide from the atmosphere. While this has always been possible in theory, high temperatures make it difficult in practice. However, a
recent paper in Nature Communi... | 112 | 23 | [
{
"comment_id": "5941299",
"author": "Col. Panek",
"timestamp": "2019-03-05T03:18:33",
"content": "So…. perpetual motion, right?? Just burn the coal again ….. PROFIT.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5941475",
"author": "Willem B",
... | 1,760,374,018.598286 | ||
https://hackaday.com/2019/03/04/simple-hack-completely-changes-the-sound-of-this-piano/ | Simple Hack Completely Changes The Sound Of This Piano | Dan Maloney | [
"Musical Hacks"
] | [
"hammer",
"honky tonk",
"keys",
"pedal",
"piano",
"ragtime",
"soundboard",
"strings",
"tone"
] | We’re partial to musical instrument hacks around here, mainly because we find instruments to be fascinating machines. Few are more complex than the piano, and, as it turns out, few are quite so hackable. Still, we have to admit that
this ragtime piano hack
took us by surprise.
We always thought that the rich variety of... | 22 | 12 | [
{
"comment_id": "5940585",
"author": "cgizmo",
"timestamp": "2019-03-05T00:39:38",
"content": "Nice! Now I understand the reason for the sound of the Honky Tonk piano!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5940673",
"author": "Adobe/Flash hater",
... | 1,760,374,018.293919 | ||
https://hackaday.com/2019/03/04/sim-panel-proves-you-can-always-use-more-buttons/ | Sim Panel Proves You Can Always Use More Buttons | Tom Nardi | [
"Arduino Hacks",
"Games",
"Peripherals Hacks"
] | [
"control panel",
"diy usb interface",
"flight simulator",
"kerbal space program",
"pro micro",
"SX1509"
] | Many people enjoy playing flight simulators or making the occasional orbit in Kerbal Space Program, but most are stuck controlling the onscreen action with nothing more exotic than a keyboard and mouse. A nice compromise for those that don’t have the space (or NASA-sized budget) to build a full simulator cockpit is a U... | 7 | 4 | [
{
"comment_id": "5940430",
"author": "Bill",
"timestamp": "2019-03-04T23:37:34",
"content": "Hammond is the company that makes stompboxes for guitars, right?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5940620",
"author": "Brian Benchoff",
... | 1,760,374,018.336693 | ||
https://hackaday.com/2019/03/04/justin-mcallisters-simple-post-apocalypse-friendly-antennas/ | Justin McAllister’s Simple, Post-Apocalypse-Friendly Antennas | Donald Papp | [
"cons",
"Hackaday Columns",
"Radio Hacks"
] | [
"2018 Hackaday Superconference",
"antenna",
"Antenna Design",
"antennas",
"rugged",
"wireless"
] | Watch Justin McAllister’s presentation on
simple antennas suitable for a zombie apocalypse
and two things will happen: you’ll be reminded that everything antennas do is amazing, and their reputation for being a black magic art will fade dramatically. Justin really knows his stuff; there is no dangle-a-wire-and-hope-for... | 10 | 8 | [
{
"comment_id": "5939985",
"author": "Jay",
"timestamp": "2019-03-04T20:02:44",
"content": "Neato!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5940029",
"author": "Ostracus",
"timestamp": "2019-03-04T20:38:44",
"content": "“Even if talking with... | 1,760,374,018.877986 | ||
https://hackaday.com/2019/03/04/when-new-space-loses-out-to-nasa-pragmatism/ | When New Space Loses Out To NASA Pragmatism | Tom Nardi | [
"Current Events",
"Hackaday Columns",
"Space"
] | [
"atlas",
"boeing",
"Falcon 9",
"lockheed",
"Lucy",
"nasa",
"SpaceX",
"ULA"
] | You’ve got to admit, things have been going exceptionally well for SpaceX. In the sixteen years they’ve been in operation, they’ve managed to tick off enough space “firsts” to make even established aerospace players blush. They’re the first privately owned company to not only design and launch their own orbital-class r... | 35 | 16 | [
{
"comment_id": "5939835",
"author": "Sprancis",
"timestamp": "2019-03-04T18:16:19",
"content": "Elon time? Does anyone really hit their goals and deadlines when it comes to space? Surely not NASA! I thought that everyone just gave the times that people want to hear and rolled back as necessary bec... | 1,760,374,018.408945 | ||
https://hackaday.com/2019/03/04/from-software-to-tindie-hack-chat-with-brian-lough/ | From Software To Tindie Hack Chat With Brian Lough | Dan Maloney | [
"Hackaday Columns"
] | [
"Brian Lough",
"ESP8266",
"Hack Chat",
"hardware",
"live stream",
"software development",
"Tindie"
] | Join us Wednesday at noon Pacific time for the
From Software to Tindie Hack Chat
!
Brian Lough
has followed a roundabout but probably not unusual route to the hardware hacking scene. Educated in Electronic and Computer Engineering, Brian is a software developer by trade who became enamored of Arduino development when t... | 4 | 1 | [
{
"comment_id": "5939972",
"author": "macsimski",
"timestamp": "2019-03-04T19:59:05",
"content": "Looking at the picture i thought “Oh no! Not a Free energy post on hackaday” but of course, i was mistaken. :)+",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5... | 1,760,374,018.779734 | ||
https://hackaday.com/2019/03/04/corn-starch-fixes-a-game-boy-screen/ | Corn Starch Fixes A Game Boy Screen | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"cornstarch",
"diatomaceous earth",
"game boy",
"lcd",
"lcd screen",
"nintendo",
"screen"
] | Nintendo’s Game Boy was
the
handheld of the 1990s. Like many of their products, it was famous for its ability to stand up to punishment from angry children and military strikes alike. Its biggest weakness is perhaps its unbacklit LCD screen. Retrogamers and chiptuners alike find themselves modifying and replacing these... | 10 | 4 | [
{
"comment_id": "5939780",
"author": "Daniel",
"timestamp": "2019-03-04T17:48:57",
"content": "The bright spot he points at before the repair is still there after the repair.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5940151",
"author": "NerdOfE... | 1,760,374,018.823015 | ||
https://hackaday.com/2019/03/04/does-teslas-autosteer-make-cars-less-safe/ | Does Tesla’s Autosteer Make Cars Less Safe? | Elliot Williams | [
"car hacks",
"Current Events",
"Featured",
"News",
"Original Art",
"Slider"
] | [] | In 2016, a Tesla Model S T-boned a tractor trailer at full speed, killing its lone passenger instantly. It was running in Autosteer mode at the time, and neither the driver nor the car’s automatic braking system reacted before the crash. The US National Highway Traffic Safety Administration (NHTSA) investigated the inc... | 77 | 24 | [
{
"comment_id": "5939592",
"author": "TheGreyBrewer",
"timestamp": "2019-03-04T15:42:07",
"content": "“So maybe rather than berating Tesla, instead we should be asking our government to take transparency in highway safety seriously”Hey, maybe both? Tesla did something that, while not uncommon for co... | 1,760,374,019.202003 | ||
https://hackaday.com/2019/03/04/the-cat-the-aircraft-and-the-tiny-computer/ | The Cat, The Aircraft, And The Tiny Computer | Jenny List | [
"Radio Hacks"
] | [
"ads-b",
"Apache Kafka",
"elasticsearch",
"kibana",
"sdr"
] | Sharing your life with a cat is a wonderful and fulfilling experience. Sharing your life with an awake, alert, and bored cat in the early hours when you are trying to sleep, is not. [Simon Aubury] has just this problem, as his cat [Snowy] is woken each morning by a jet passing over.
In an attempt to identify the offend... | 29 | 11 | [
{
"comment_id": "5939289",
"author": "Martini",
"timestamp": "2019-03-04T12:25:21",
"content": "https://www.flightradar24.com/38.6,-43.62/4Or click this link.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5939341",
"author": "Martin Egsdal",
... | 1,760,374,019.324007 | ||
https://hackaday.com/2019/03/04/adding-real-lenses-to-an-instant-camera/ | Adding Real Lenses To An Instant Camera | Brian Benchoff | [
"digital cameras hacks"
] | [
"camera",
"instant camera",
"Instax"
] | The Instax SQ6 and Fujifilm’s entire range of instant cameras are fun little boxes that produce instant photos. It’s a polaroid that’s not Polaroid, and like most instant cameras, the lenses are just one or two pieces of plastic. A lens transplant is in order, and
that’s exactly what [Kevin] did to his Instax camera
.
... | 5 | 3 | [
{
"comment_id": "5939063",
"author": "macsimski",
"timestamp": "2019-03-04T10:17:12",
"content": "s/Real/Other/g:-) my pleasure…BTW: I adapted a Kodak Aero Ektar lens to a Speed Graphic 4×5 but I was by far not the first.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,374,019.072952 | ||
https://hackaday.com/2019/03/03/safely-dive-into-your-fears-with-virtual-reality/ | Safely Dive Into Your Fears With Virtual Reality | Brian McEvoy | [
"Medical Hacks"
] | [
"anxiety",
"ar",
"arachnophobia",
"exposure therapy",
"fear",
"Oculus",
"phobia",
"therapy",
"treatment",
"virtual reality",
"vr"
] | What makes you afraid? Not like jump-scares in movies or the rush of a roller-coaster, but what are your legitimate fears that qualify as phobias? Spiders? Clowns? Blood? Flying? Researchers at The University of Texas at Austin are experimenting with
exposure therapy in virtual reality
to help people manage their fears... | 18 | 8 | [
{
"comment_id": "5939067",
"author": "Hairy Dave",
"timestamp": "2019-03-04T10:19:12",
"content": "Therapeutic use of VR is almost as old as VR itself – or at least half-way practical implementations of it. The oldest published material I know of is a paper titled “Effectiveness of Computer-Generate... | 1,760,374,019.25763 | ||
https://hackaday.com/2019/03/03/printrite-uses-tensorflow-to-avoid-printing-catastrophies/ | PrintRite Uses TensorFlow To Avoid Printing Catastrophies | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"neural network",
"printer monitor",
"tensorflow"
] | TensorFlow is a popular machine learning package, that among other things, is particularly adept at image recognition. If you want to use a webcam to monitor cats on your lawn or alert you to visitors, TensorFlow can help you achieve this with a bunch of pre-baked libraries. [Eric] took a different tack with PrintRite ... | 14 | 4 | [
{
"comment_id": "5937891",
"author": "targetdrone",
"timestamp": "2019-03-04T03:23:01",
"content": "Seeing Octoprint’s warning makes me sad.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5937980",
"author": "Clara",
"timestamp": "2019-03-04T... | 1,760,374,019.416321 | ||
https://hackaday.com/2019/03/03/hackaday-links-march-3-2019/ | Hackaday Links: March 3, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Binky",
"Boog",
"desoldering",
"folding phone",
"K210",
"nixie",
"Project Binky",
"Sipeed K210"
] | In this week’s edition of, ‘why you should care that Behringer is cloning a bunch of vintage synths’,
I present to you this amazing monstrosity
. Yes, it’s a vertical video of a synthesizer without any sound. Never change, Reddit. A bit of explanation: this is four Behringer Model Ds (effectively clones of the Moog Min... | 16 | 12 | [
{
"comment_id": "5937423",
"author": "Jeff Faust",
"timestamp": "2019-03-04T00:05:23",
"content": "It should also be noted that Project BInky now has its very own bespoke funk for the mid-episode welding montage. Nick and Richard have really upped their game here.",
"parent_id": null,
"depth... | 1,760,374,019.470697 | ||
https://hackaday.com/2019/03/03/talk-to-your-scope-and-it-will-obey/ | Talk To Your ‘Scope, And It Will Obey | Jenny List | [
"Tech Hacks"
] | [
"oscilloscope",
"voice control",
"voice controlled"
] | An oscilloscope is a device that many of us use, and which we often have to use while our hands are occupied with test probes or other tools. [James Wilson]
has solved the problem of how to control his ‘scope no-handed
, by connecting it to a Raspberry Pi 3 running the
snips.ai
voice assistant. This is an interesting p... | 3 | 2 | [
{
"comment_id": "5937610",
"author": "James Wilson",
"timestamp": "2019-03-04T01:15:53",
"content": "Author here, thanks for the feature! Since I shot this clip, I’ve made some updates to the software and Snips has also released a platform update, making the voice assistant much more responsive. No ... | 1,760,374,019.363785 | ||
https://hackaday.com/2019/03/03/cnc-your-own-pcb-with-this-tutorial/ | CNC Your Own PCB With This Tutorial | Al Williams | [
"cnc hacks",
"Tool Hacks"
] | [
"cnc",
"flatcam",
"mill",
"milling",
"pcb",
"Printed Circuit Board"
] | It is getting so easy to order a finished printed circuit board that it is tough to justify building your own. But sometimes you really need a board right now. Or maybe you need a lot of fast iterations so you can’t wait for the postal service. [Thomas Sanladerer] shows how he makes
PCBs with a CNC machine
and has a lo... | 26 | 9 | [
{
"comment_id": "5936634",
"author": "Paul Bishop",
"timestamp": "2019-03-03T18:24:02",
"content": "I use my laser engraver to burn off spray paint masking… works well! (also etched the board in this video using Vinegar and Peroxide rather than much harsher and dangerous etchants like FeCl..https:/... | 1,760,374,019.53882 | ||
https://hackaday.com/2019/03/03/designing-custom-lcds-to-repair-retrocomputers/ | Designing Custom LCDs To Repair Retrocomputers | Brian Benchoff | [
"classic hacks"
] | [
"lcd",
"LCD Soundsystem",
"radio shack",
"trs-80"
] | China, we’re told, can make anything. If you need some PCBs in a few weeks, there are a few factories in China that will do it. If you need a nuclear reactor, yep, there’s probably a factory in China that’ll do it because nuclear reactors are listed as one of the items facing new tariffs when imported into the United S... | 26 | 15 | [
{
"comment_id": "5935457",
"author": "Jerry",
"timestamp": "2019-03-03T15:07:14",
"content": "Those Trash 80s were snapped up by the ham radio guys, (Back in the day)Nice fix.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5935572",
"author": "Jii",
"t... | 1,760,374,019.611605 | ||
https://hackaday.com/2019/03/03/be-vewy-vewy-quiet-were-hunting-baofengs/ | Be Vewy Vewy Quiet, We’re Hunting Baofengs | Tom Nardi | [
"Arduino Hacks",
"Radio Hacks"
] | [
"baofeng",
"fox hunt",
"ham radio",
"mp3 player",
"relay",
"transmitter"
] | In the world of ham radio, a “Fox Hunt” is a game where participants are tasked with finding a hidden transmitter through direction finding. Naturally, the game is more challenging when you’re on the hunt for something small and obscure, so the ideal candidate is a small automated beacon that can be tucked away somepla... | 24 | 8 | [
{
"comment_id": "5935272",
"author": "Madox",
"timestamp": "2019-03-03T12:44:45",
"content": "Typo? Should be Whiskey instead of “Whisley”?(Occurs twice)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5935667",
"author": "Tom Nardi",
"timesta... | 1,760,374,019.678507 | ||
https://hackaday.com/2019/03/03/digital-protractor-makes-angular-measurements-a-snap/ | Digital Protractor Makes Angular Measurements A Snap | Lewin Day | [
"Tool Hacks"
] | [
"measurement",
"metrology",
"protractor"
] | Old school vernier calipers served engineers and machinists well for a long time — and did a perfectly good job. Digital models then came along and were easier to read. They now rule the roost, despite their thirst for batteries. Humans are naturally wired to make the least effort possible at all times. That’s why you ... | 7 | 5 | [
{
"comment_id": "5935061",
"author": "Alex Rossie",
"timestamp": "2019-03-03T10:19:29",
"content": "This + DigiRule 2 = Profit ???",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5935335",
"author": "Ostracus",
"timestamp": "2019-03-03T13:40:28",
"c... | 1,760,374,019.721781 | ||
https://hackaday.com/2019/03/02/live-hacking-and-a-midi-keytar/ | Live Hacking And A MIDI Keytar | Brian Benchoff | [
"Microcontrollers",
"Musical Hacks"
] | [
"firmware",
"hacking",
"ida",
"keytar",
"microcontroller",
"stm"
] | We can’t think of where you’d buy a new, cheap, MIDI keytar that’s just a keyboard and a handle with some pitch and mod wheels or ribbon controllers. This is a format that died in the 90s or thereabouts. Yes, the Rock Band controller exists, but my point stands. In fact, the closest you can get to a cheap, simple MIDI ... | 7 | 4 | [
{
"comment_id": "5932020",
"author": "echodelta",
"timestamp": "2019-03-02T09:32:53",
"content": "Five hours plus and sliding along the time line I didn’t even see him play it. Edit.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5932800",
"author": ... | 1,760,374,019.911881 | ||
https://hackaday.com/2019/03/01/balena-introduces-din-capable-pi-compute-module-carrier-board/ | Balena Introduces DIN-Capable Pi Compute Module Carrier Board | Brian Benchoff | [
"Raspberry Pi"
] | [
"Balena",
"compute module",
"raspberry pi",
"Raspberry Pi Compute Module"
] | Although you don’t hear about it very much over the clamor of emulating old video game systems, one of the biggest uses of the Raspberry Pi outside its educational roots is in industry. The Pi makes for a great industrial control system, and if you mount it to a DIN rail, you’re golden. This is the biggest reason the P... | 17 | 9 | [
{
"comment_id": "5931752",
"author": "electronoob",
"timestamp": "2019-03-02T06:44:23",
"content": "Did you see the price. Jeez.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5931869",
"author": "nh",
"timestamp": "2019-03-02T07:58:39",
"content":... | 1,760,374,019.964495 | ||
https://hackaday.com/2019/03/01/pack-your-sd-cards-swiss-army-style/ | Pack Your SD Cards Swiss Army Style | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"sd card",
"storage"
] | SD cards have largely supplanted most other card-based storage devices, in all but a few niches. Available in standard, micro, and the rather obscure mini sizes, they’re used in everything from digital cameras to car stereos and console ROM carts. For most users, storing them consists of tossing them in a bag, occasion... | 19 | 9 | [
{
"comment_id": "5931487",
"author": "echodelta",
"timestamp": "2019-03-02T03:54:37",
"content": "A lot of ignition lock problems were caused by hanging too many keys on the ring",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5932061",
"author": "Gre... | 1,760,374,020.020675 | ||
https://hackaday.com/2019/03/01/a-big-mean-inflated-machine/ | A Big, Mean, Inflated Machine | Lewin Day | [
"Transportation Hacks"
] | [
"car",
"huge",
"inflatable",
"vehicle"
] | A Jeep is fun offroad, a motorcycle perhaps even more so. Diehard renegades go even further and get about in Unimogs and on snowmobiles. [amazingdiyprojects] might just have topped them all however, with his latest project –
the astonishing Inflatable Car.
Despite the name, it’s a vehicle that defies clear definition. ... | 21 | 13 | [
{
"comment_id": "5931160",
"author": "Ryan H.",
"timestamp": "2019-03-02T00:13:26",
"content": "This is awesome! Can you drive it on water? It seems like it would float quite well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5931458",
"author": "L... | 1,760,374,020.343862 | ||
https://hackaday.com/2019/03/01/meet-tympan-the-open-hardware-hearing-aid/ | Meet Tympan, The Open Hardware Hearing Aid | Tom Nardi | [
"Medical Hacks",
"Wearable Hacks"
] | [
"bluetooth",
"hearing aid",
"medical devices",
"Teensy",
"Tympan"
] | If you’re the kind of person who’s serious about using open source software and hardware, relying on a medical device like a pacemaker or an insulin pump can be a particular insult. You wouldn’t trust the technology with your email, and yet you’re forced to put your life into the hands of a device you can’t examine you... | 35 | 12 | [
{
"comment_id": "5930852",
"author": "Ren",
"timestamp": "2019-03-01T21:33:23",
"content": "Digital Signal Processing to filter out constant hums, the ability to boost certain ranges of the frequency spectrum to counter act the aging process…",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,020.28092 | ||
https://hackaday.com/2019/03/01/grape-plasma-explained/ | Grape Plasma Explained | Al Williams | [
"Science"
] | [
"grape",
"microwave",
"plasma"
] | You’ve probably seen the videos of a grape — cut almost totally in half — in a microwave creates a plasma. A recent physics paper studies the phenomenon with a lot of high-tech gear and now the actual mechanism is known. [Veritasium] interviews the scientists and
explains the grape plasma phenomenon
in plain language. ... | 25 | 10 | [
{
"comment_id": "5930622",
"author": "DKE",
"timestamp": "2019-03-01T19:51:20",
"content": "Now that we understand grapes, let’s work on this one next. :-)https://www.youtube.com/watch?v=ysordqKV3Dg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5930651",
... | 1,760,374,020.10298 | ||
https://hackaday.com/2019/03/01/leigh-johnsons-guide-to-machine-vision-on-raspberry-pi/ | Leigh Johnson’s Guide To Machine Vision On Raspberry Pi | Roger Cheng | [
"cons",
"Hackaday Columns",
"Raspberry Pi",
"Slider"
] | [
"2018 Hackaday Superconference",
"convolutional neural network",
"deep learning",
"dice",
"dogs",
"keras",
"machine learning",
"machine vision",
"raspberry pi",
"tensorflow"
] | We salute hackers who make technology useful for people in emerging markets. Leigh Johnson joined that select group when she accepted the challenge to
build portable machine vision units that work offline
and can be deployed for under $100 each. For hardware, a Raspberry Pi with camera plus screen can fit under that co... | 9 | 7 | [
{
"comment_id": "5930290",
"author": "Thinkerer",
"timestamp": "2019-03-01T18:31:31",
"content": "“…she wants to help people learn how to train neural nets. This is still something of an art, where everyone can expect to go through many rounds of trial and error.”I saw what you did there.",
"par... | 1,760,374,020.440342 | ||
https://hackaday.com/2019/03/02/paper-cup-mic-is-fun-and-functional/ | Paper Cup Mic Is Fun And Functional | Lewin Day | [
"classic hacks"
] | [
"lo-fi",
"microphone",
"recording"
] | Any studio operator worth their Protools subscription will have a wide array of microphones to cover any conceivable situation. SM57s to cover guitar cabs, fancy gilded ribbon mics for vocal takes, and a variety of condensers to round out the selection. That’s all well and good for high-fidelity recording, but what if ... | 6 | 3 | [
{
"comment_id": "5935124",
"author": "cliff claven",
"timestamp": "2019-03-03T11:01:54",
"content": "Have done similar with middle school students at STEM interest building events. They were the follow up to the take-out box speaker, and the lead in to the solder up an amp table.",
"parent_id": ... | 1,760,374,020.384396 | ||
https://hackaday.com/2019/03/02/3d-printing-logic-gates/ | 3D Printing Logic Gates | Al Williams | [
"3d Printer hacks",
"computer hacks"
] | [
"3d printing",
"mechanical logic",
"nano scale"
] | It may seem a paradox, but in the future tiny computers may dump electronics and return to their mechanical roots. At the macroscale, mechanical computers are fussy and slow, but when your area is down to a few molecules, electronics have trouble working but mechanical systems do just fine. In addition, these devices d... | 17 | 9 | [
{
"comment_id": "5934203",
"author": "Antonio",
"timestamp": "2019-03-03T03:31:48",
"content": "Kings, Queens, Presidents, Prime ministers and despots are rulers. A measuring device, is a rule and there is no exception to that one!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,020.497395 | ||
https://hackaday.com/2019/03/02/this-vintage-op-amp-opens-a-fascinating-window-into-semiconductor-history/ | This Vintage Op-Amp Opens A Fascinating Window Into Semiconductor History | Jenny List | [
"classic hacks",
"Parts",
"Teardown"
] | [
"bob pease",
"jean hoerni",
"op-amp"
] | We have covered enough of the work of [Ken Shirriff] on these pages to know that when he publishes something, it will be a fascinating read and work of the highest quality. And so it is with his latest,
a very unusual op-amp on which he performs his usual reverse engineering
. Not only does it lead us directly to some ... | 6 | 3 | [
{
"comment_id": "5934022",
"author": "Jeff Furman",
"timestamp": "2019-03-03T01:27:57",
"content": "curious people want to know specifically what is this? shooting from the hip, without detailed reverse engineering, how about an lh002 or related nat semi hybrid? Jeff Furman",
"parent_id": null,
... | 1,760,374,020.664414 | ||
https://hackaday.com/2019/03/02/programmable-ruler-keeps-1970s-computing-alive/ | Programmable Ruler Keeps 1970’s Computing Alive | Tom Nardi | [
"Microcontrollers",
"Retrocomputing",
"Tool Hacks"
] | [
"altair",
"blinkenlight",
"PIC18F43K20",
"retrocomputer",
"ruler"
] | A ruler seems like a pretty simple device; just a nice straight piece of material with some marks on it. There are some improvements out there to the basic design, like making it out of something flexible or printing a few useful crib notes and formulas on it so you have a handy reference. But for the most part, we can... | 23 | 12 | [
{
"comment_id": "5933367",
"author": "walter",
"timestamp": "2019-03-02T21:35:23",
"content": "Didn´t know Tindie was making pizzas",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5939628",
"author": "Ren",
"timestamp": "2019-03-04T15:59:44",
... | 1,760,374,020.561687 | ||
https://hackaday.com/2019/03/02/an-epic-mech-cockpit-build-for-steel-battalion/ | An Epic Mech Cockpit Build For Steel Battalion | Lewin Day | [
"Xbox Hacks"
] | [
"battlemech",
"mech",
"mech simulator",
"simulation",
"simulator",
"steel battalion",
"xbox"
] | Steel Battalion
was released for the Xbox in 2002, and remains one of the most hardcore mech simulators of all time. It became legendary for its huge twin-stick controller covered in buttons, and for deleting your save game if you failed to eject in time. It took giant robot gaming to a new level, but fundamentally, yo... | 10 | 8 | [
{
"comment_id": "5933010",
"author": "gregkennedy",
"timestamp": "2019-03-02T20:06:21",
"content": "I’m almost afraid to ask what happens when your pilot dies.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5933371",
"author": "Ragnar",
"time... | 1,760,374,020.61524 | ||
https://hackaday.com/2019/03/02/the-8-bit-guy-builds-a-16-bit-computer/ | The 8-Bit Guy Builds A 16-Bit Computer | Brian Benchoff | [
"classic hacks",
"Retrocomputing"
] | [
"6502",
"65816",
"commodore",
"retrocomputing"
] | One of the better retro historians out there on YouTube is the 8-Bit Guy, and after years of wanting to do something like this, it’s finally happening.
The 8-Bit Guy is building his dream computer
, heavily inspired by the Commodore 64.
Before we go into what this computer will do and what capabilities it will have, it... | 90 | 33 | [
{
"comment_id": "5932481",
"author": "aiden",
"timestamp": "2019-03-02T15:10:29",
"content": "i am on bourd to help with a donation and buy into a finished prod",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5932488",
"author": "Ostracus",
"timestamp":... | 1,760,374,020.833716 | ||
https://hackaday.com/2019/03/02/wifi-makes-the-heart-glow-fonder/ | WiFi Makes The Heart Glow Fonder | Lewin Day | [
"Holiday Hacks"
] | [
"blynk",
"ESP8266",
"heart",
"led",
"Valentines day"
] | It’s more than a little too late for Valentine’s Day this year, but if you start now, you’re sure to be looking good next February. Print something that truly conveys how you feel,
through the magic of wireless communication and RGB LEDs (Youtube, French)
.
Yes, [Heliox] has built a Valentine’s day project, and the pre... | 2 | 1 | [
{
"comment_id": "5932299",
"author": "Mike Massen",
"timestamp": "2019-03-02T12:55:28",
"content": "Love the French, I understand only too well why some merchants feel awkward with them irrationally resulting in weird prejudice and distrust – lol, primary school education in dialectic has a lot to d... | 1,760,374,020.702546 | ||
https://hackaday.com/2019/02/28/inside-the-secret-world-of-crimping/ | Inside The Secret World Of Crimping | Eric Evenchick | [
"Tool Hacks"
] | [
"crimping",
"dupont",
"hand tools",
"please don't solder terminals",
"wiring"
] | At some point in your electrical pursuits, you’ll need to make a connector. Maybe you’re designing something that will connect to another device, or maybe the spaghetti mess of wires coming out of your Raspberry Pi has become a pain to deal with. Whatever the reason, a proper connector can solve a lot of headaches in e... | 34 | 16 | [
{
"comment_id": "5927295",
"author": "Sutfuf",
"timestamp": "2019-02-28T09:20:02",
"content": "Knipex. I forget the model number, but, these are best ones I have used. Precision dies; these are important for the smaller DuPont connectors. Forget those chinesium imports, the dies are cast and not for... | 1,760,374,020.909311 | ||
https://hackaday.com/2019/02/27/arduino-revives-a-classic-1980s-minitel-terminal/ | Arduino Revives A Classic 1980s Minitel Terminal | Dan Maloney | [
"classic hacks"
] | [
"ASCII",
"bbs",
"France",
"Minitel",
"online service",
"serial",
"telecom",
"terminal",
"videotex"
] | Before there was the Internet, there were a lot of would-be Internets. Compuserve comes to mind, as do Prodigy, GEnie, Delphi, and the innumerable BBS systems that were once gateways to worlds beyond our CRT monitors and 300 baud Hayes Supermodems.
Service providers varied by region, of course. The French postal and te... | 16 | 8 | [
{
"comment_id": "5927284",
"author": "Nicolas Lhommet",
"timestamp": "2019-02-28T09:14:22",
"content": "I remember when I was a children, in 1982 they let us try it at my primary school, and we had a lot a fun searching for homonyms (or stupid names) in the entire country, when we only had the local... | 1,760,374,021.064345 | ||
https://hackaday.com/2019/02/27/ceramic-aerogel-meets-stretch-goals/ | Ceramic Aerogel Meets Stretch Goals | Al Williams | [
"chemistry hacks"
] | [
"aerogel",
"science",
"ucla"
] | Aerogels have changed how a lot of high tech equipment is insulated. Resembling frozen smoke, the gel is lightweight and has extremely low thermal conductivity. However there’s always a downside, traditional aerogel material is brittle. Any attempt to compress it beyond 20% of its original size will change the material... | 24 | 11 | [
{
"comment_id": "5926335",
"author": "Dane Brammage",
"timestamp": "2019-02-28T03:24:04",
"content": "That’s hot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5927657",
"author": "DainBramage",
"timestamp": "2019-02-28T14:29:16",
"c... | 1,760,374,021.382678 | ||
https://hackaday.com/2019/02/27/flexible-pcb-robot-flops-around-to-get-around/ | Flexible PCB Robot Flops Around To Get Around | Dan Maloney | [
"Robots Hacks"
] | [
"coil",
"flat coil",
"flexible PCB",
"magnet",
"neodymium",
"robot",
"vibratory"
] | In his continuing quest to reduce the parts count of a robot as far as possible, [Carl Bugeja] has hit upon an unusual design:
robots built of almost nothing but PCBs
.
Admittedly, calling these floppy four-legged critters robots is still a bit of a stretch at this point. The video below shows that while they certainly... | 4 | 2 | [
{
"comment_id": "5927346",
"author": "John",
"timestamp": "2019-02-28T09:56:12",
"content": "Angled toothbrush bristles on each coil and it will go where you want provided you drive the right coil.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5927700",
... | 1,760,374,021.206587 | ||
https://hackaday.com/2019/02/27/new-part-day-the-stm32-that-runs-linux/ | New Part Day: The STM32 That Runs Linux | Brian Benchoff | [
"Hackaday Columns",
"Microcontrollers"
] | [
"linux",
"stm32",
"STM32FP1"
] | There are a lot of ARM microcontrollers out there, and the parts from ST are featured prominently is the high-power builds we’re seeing. The STM32F4 and ~F7 are powerhouses with great support, and the STM32F0 and the other younger children of the family make for very good, low-power microcontrollers. Now, the STM32 fam... | 45 | 12 | [
{
"comment_id": "5924932",
"author": "Yann Guidon / YGDES",
"timestamp": "2019-02-27T21:20:35",
"content": "OK but… the price ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5924972",
"author": "zaprodk",
"timestamp": "2019-02-27T21:39:10",
... | 1,760,374,021.163407 | ||
https://hackaday.com/2019/02/27/mayak-turns-wifi-traffic-into-sound/ | Mayak Turns WiFi Traffic Into Sound | Lewin Day | [
"Art"
] | [
"art",
"art installation",
"LTE",
"wifi"
] | Dial-up modems were well known for their screeching soundtrack during the connection process. Modern networking eschews audio based communication methods, so we no longer have to deal with such things. However, all is not lost.
[::vtol::]’s Mayak installation brings us a new sound, all its own
.
The installation consis... | 7 | 4 | [
{
"comment_id": "5924762",
"author": "Meh",
"timestamp": "2019-02-27T20:03:34",
"content": "In 90s making internet traffic into sound was standard",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5926260",
"author": "Scoldog",
"timestamp": "20... | 1,760,374,021.595459 | ||
https://hackaday.com/2019/02/27/kicon-gets-our-kicad-conference-on/ | KiCon Gets Our KiCad Conference On | Kerry Scharfglass | [
"cons"
] | [
"Bring A Hack",
"conference",
"eda",
"KiCAD"
] | Oh, what’s KiCon you say?
KiCon is the first dedicated conference on our favorite libre EDA tool: KiCad
, organized by friend of Hackaday Chris Gammell and scheduled for April 26 and 27th in Chicago.
Having stuffed ourselves full of treats through the holidays, followed by sleeping through the calm winter months, we fi... | 11 | 4 | [
{
"comment_id": "5925727",
"author": "Ben",
"timestamp": "2019-02-28T00:40:16",
"content": "I’m definitely going and looking forward to meeting all the interesting people and presenters.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5927551",
"author": "R... | 1,760,374,021.436692 | ||
https://hackaday.com/2019/02/28/vacuum-powered-rotary-tool-redux-this-time-machined/ | Vacuum-Powered Rotary Tool Redux, This Time Machined | Dan Maloney | [
"Tool Hacks"
] | [
"5-Axis",
"cnc",
"dremel",
"rotary tool",
"rotor",
"stator",
"torque",
"turbine",
"vacuum"
] | We love to see projects revisited, especially when new materials or methods make it worth giving the first design another go around.
This twin-turbine vacuum-powered Dremel tool
is a perfect example of what better tools can do for a build.
You may recall [JohnnyQ90]’s
first attempt at a vacuum powered rotary tool
. Tha... | 18 | 7 | [
{
"comment_id": "5929091",
"author": "Drew",
"timestamp": "2019-03-01T03:31:40",
"content": "I have never seen anyone dynamically balance using magnets. Really impressive build!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5929108",
"author": "soun... | 1,760,374,021.544052 | ||
https://hackaday.com/2019/02/28/teardown-of-a-luxury-bluetooth-nightlight/ | Teardown Of A Luxury Bluetooth Nightlight | Tom Nardi | [
"LED Hacks",
"Microcontrollers",
"Teardown"
] | [
"IMU",
"led",
"lighting",
"nightlight",
"nRF52832"
] | If you had asked us yesterday what peak nightlight technology looked like, we might have said one of those LED panels that you stick in the outlet. At least it beats one of those little wimpy light bulbs behind the seashell, anyway. But after looking at a detailed teardown of the “Glow Light” from Casper, we’ve learned... | 4 | 2 | [
{
"comment_id": "5928687",
"author": "christopher",
"timestamp": "2019-02-28T21:41:27",
"content": "He must be using that lightbox that my twittererer told me was “taking the internet by storm” and “lighting fire on the intertubes”.that is a nice teardown.",
"parent_id": null,
"depth": 1,
... | 1,760,374,021.486918 | ||
https://hackaday.com/2019/02/28/zach-archer-live-coding-500-watts-for-toorcamp/ | Zach Archer: Live Coding 500 Watts For ToorCamp | Brian Benchoff | [
"cons",
"LED Hacks",
"Software Development"
] | [
"2018 Hackaday Superconference",
"graphics",
"led",
"LED sign",
"live coding",
"toorcamp"
] | ToorCamp is a five-day open air tech camping event held every two years somewhere around the northwest corner of Washington state. Think of it as something like Burning Man, except you can survive for three hours without water, there aren’t a whole bunch of scenesters and Instagram celebs flying in on private planes, a... | 2 | 2 | [
{
"comment_id": "5928965",
"author": "CB",
"timestamp": "2019-03-01T01:05:42",
"content": "So cool to see this guy’s stuff make it to HaD. Zach is a multi-talented guy, seehttps://www.discogs.com/artist/73173-Free-Deathfor some of his music. Now if only he would finish Toaster Bro…",
"parent_i... | 1,760,374,021.719413 | ||
https://hackaday.com/2019/02/28/computer-algebra-for-electronic-design/ | Computer Algebra For Electronic Design | Ted Yapo | [
"computer hacks",
"how-to",
"Slider"
] | [
"circuit design",
"computer algebra",
"Maxima",
"symbolic computation",
"wxMaxima"
] | Don’t get me wrong. Like most people, there’s nothing I enjoy more than solving a long, involved math problem by hand. But, sometimes, a few pages of algebraic scratches on paper is just a means to an end. I find this especially true during electronic design sessions, be it circuit design or PCB layout; I just need the... | 15 | 10 | [
{
"comment_id": "5927987",
"author": "Danjovic",
"timestamp": "2019-02-28T18:34:27",
"content": "Another article about generating video signals with correct amplitude and output impedancehttps://hackaday.io/project/148298-32-shades-of-greyhttp://danjovic.blogspot.com/2015/02/gerando-sinais-de-video-... | 1,760,374,021.668918 | ||
https://hackaday.com/2019/02/28/anodize-aluminum-easily/ | Anodize Aluminum Easily | Al Williams | [
"chemistry hacks"
] | [
"aluminum",
"anodising",
"anodizing",
"drain cleaner",
"lye",
"sulfuric acid"
] | We’ve all seen brightly-colored pieces of aluminum and can identify them as anodized. But what does that mean, exactly? A recent video from [Ariel Yahni] starring [Wawa] — a four-legged assistant — shows how to
create pieces like this yourself
. You can see [Wawa’s] new dog tag, below.
[Ariel] found a lot of how to inf... | 23 | 8 | [
{
"comment_id": "5927888",
"author": "Leithoa",
"timestamp": "2019-02-28T17:25:25",
"content": ">>Sodium hydroxide isn’t super safe, but it is much less problem to buy, store, and use than battery acid.I would rather handle concentrated sulfuric acid than deal with strong bases.NaOH is at least as d... | 1,760,374,021.790811 | ||
https://hackaday.com/2019/02/28/threading-3d-printed-parts-how-to-use-heat-set-inserts/ | Threading 3D Printed Parts: How To Use Heat-Set Inserts | Sonya Vasquez | [
"3d Printer hacks",
"Engineering",
"Featured",
"Skills",
"Slider"
] | [
"3d printing",
"fabrication",
"functional 3d printing",
"heat set inserts",
"threaded insert"
] | We can make our 3D-printed parts even more capable when we start mixing them with some essential “mechanical vitamins.” By combining prints with screws, nuts, fasteners, and pins, we get a rich ecosystem for mechanism-making with capabilities beyond what we could simply print alone.
Today I’d like to share some tips on... | 60 | 34 | [
{
"comment_id": "5927714",
"author": "Mike Massen",
"timestamp": "2019-02-28T15:10:52",
"content": "Indeedee dodee, nice post wanted to do variants of these things many times mostly got heavily sidetracked when more serious $ work stuff turned up, thanks for post :-)",
"parent_id": null,
"de... | 1,760,374,022.048992 | ||
https://hackaday.com/2019/02/28/does-wifi-kill-houseplants/ | Does WiFi Kill Houseplants? | Dan Maloney | [
"Radio Hacks",
"Wireless Hacks"
] | [
"2.4 ghz",
"amplifier",
"bi-quad",
"electromagnetic",
"growth",
"plants",
"RF",
"spectrum",
"transmitter",
"wifi"
] | Spoiler alert: No.
To come to that conclusion, which runs counter to the combined wisdom of several recent YouTube videos, [Andrew McNeil] ran
a pretty neat little experiment
. [Andrew] has a not inconsiderable amount of expertise in this area, as an RF engineer and prolific maker of many homebrew WiFi antennas, some o... | 72 | 21 | [
{
"comment_id": "5927504",
"author": "Antron Argaiv",
"timestamp": "2019-02-28T12:06:41",
"content": "You have a typo in this sentence: “…combined wisdom of several recent YouTube videos,…”The word -wisdom- should be in quotation marks.The trees, BTW, under the cell tower near my house seem to be th... | 1,760,374,024.127635 | ||
https://hackaday.com/2019/03/01/hackaday-podcast-008-the-art-episode-joe-kim-strings-and-crts-hydrogen-done-2-ways/ | Hackaday Podcast 008: The Art Episode: Joe Kim, Strings And CRTs, Hydrogen Done 2-Ways | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"art",
"DigiComp II",
"Hackaday Podcast",
"Joe Kim",
"lissajous curves",
"pcb motor",
"String Art"
] | We know you love the original art on Hackaday. Those fantastic illustrations are the work of Joe Kim, and he joins us as a guest on this week’s episode to talk about his background, what inspires him, and how he pulls it all off.
This episode is still packed with hacks. Editors Mike Szczys and Elliot Williams somehow s... | 1 | 1 | [
{
"comment_id": "5935110",
"author": "Sheldon",
"timestamp": "2019-03-03T10:51:19",
"content": "Finally managed to catch the podcast not long after the release :-)It’s a shame that the podcasts don’t seem to get more love as there were a few tidbits that were mentioned that weren’t in the original a... | 1,760,374,023.856629 | ||
https://hackaday.com/2019/03/01/a-modular-mounting-system-via-3d-printing/ | A Modular Mounting System Via 3D Printing | Lewin Day | [
"3d Printer hacks"
] | [
"camera mount",
"mounting",
"mounting system",
"tripod"
] | When working with cameras or other tools, it can often be useful to have some manner of stand or tripod to hold things in position, freeing up one’s hands for other tasks. Unfortunately, when it comes to smaller cameras and devices like smartphones and tablets, there are few standardized solutions.
[yyh1002] has skirte... | 9 | 3 | [
{
"comment_id": "5930124",
"author": "Elliot Burke",
"timestamp": "2019-03-01T17:40:04",
"content": "If you care at all about how rigid the mount is, make the struts out of wood or metal. Save some printing time as well.Design a socket to fit the wood or metal of your choice.Old carbon/fiber glass ... | 1,760,374,023.802594 | ||
https://hackaday.com/2019/03/01/yes-you-can-put-iot-on-the-blockchain-using-python-and-the-esp8266/ | Yes, You Can Put IoT On The Blockchain Using Python And The ESP8266 | Sean Boyce | [
"Featured",
"how-to",
"internet hacks",
"Skills",
"Slider"
] | [
"barcode",
"blockchain",
"ESP8266",
"Ethereum",
"flask",
"IoT",
"NodeMCU",
"python 3"
] | Last year, we saw quite a bit of media attention paid to blockchain startups. They raised money from the public, then most of them vanished without a trace (or product). Ethics and legality of their fundraising model aside, a few of the ideas they presented might be worth revisiting one day.
One idea in particular that... | 13 | 9 | [
{
"comment_id": "5930090",
"author": "KARL MILLER",
"timestamp": "2019-03-01T17:30:43",
"content": "Security is only as good as its weakest link. There’s no such thing as “reasonably secure”, especially with block chain transactions.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,374,023.916642 | ||
https://hackaday.com/2019/03/01/the-easiest-thermal-camera-build-youll-ever-see/ | The Easiest Thermal Camera Build You’ll Ever See | Tom Nardi | [
"Raspberry Pi",
"Tool Hacks"
] | [
"opencv",
"Raspberry Pi Zero",
"thermal camera",
"vnc"
] | Thermal cameras are one of those tools that we all want, but just can’t justify actually buying. You don’t really know what you would do with one, and when even the cheap ones are a couple hundred dollars, it’s a bit out of the impulse buy territory. So you just keeping waiting and hoping that eventually they’ll drop t... | 41 | 10 | [
{
"comment_id": "5929496",
"author": "tomkcook",
"timestamp": "2019-03-01T12:15:14",
"content": "Can someone explain to me why these things are so expensive? A high resolution camera module for a Raspberry pi is worth £25 if you don’t shop around very much. The least I can find one of these things... | 1,760,374,024.312591 | ||
https://hackaday.com/2019/03/01/lithium-jump-starter-disassembly-is-revealing/ | Lithium Jump Starter Disassembly Is Revealing | Lewin Day | [
"Teardown"
] | [
"battery",
"jump start",
"jump starter",
"lithium battery",
"teardown"
] | High-capacity lithium batteries tend to make everything in life better. No longer must you interact with your fellow human beings if your car battery goes flat in the carpark. You can jump the car yourself, with a compact device that fits in your glovebox. [Big Clive] decided to pull one apart and peek inside, and it’s... | 56 | 18 | [
{
"comment_id": "5929348",
"author": "Sjaak",
"timestamp": "2019-03-01T09:16:36",
"content": "Video is from 2017?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5929357",
"author": "bergaliv",
"timestamp": "2019-03-01T09:23:29",
"content": "I’ve us... | 1,760,374,024.40198 | ||
https://hackaday.com/2019/02/28/spot-this-diy-electronic-loads-gracefully-hidden-hacks/ | Spot This DIY Electronic Load’s Gracefully Hidden Hacks | Donald Papp | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"3d printed",
"arduino",
"dc encoder",
"dummy load",
"electronic load",
"enclosure",
"rotary encoder"
] | Sometimes it’s necessary to make do with whatever parts one has on hand, but the results of squashing a square peg into a round hole are not always as elegant as [Juan Gg]’s
programmable DC load with rotary encoder
. [Juan] took a design for a programmable DC load and made it his own in quite a few different ways, incl... | 11 | 5 | [
{
"comment_id": "5929262",
"author": "duh",
"timestamp": "2019-03-01T07:35:15",
"content": "DC-motor! Yeah!Easy infinite-turn pot/scroll-wheel from parts on-hand, and only one uC pin. Great hack. Definitely going in my toolbox.“But can’t beat a proper encoder” (from his page) I beg to differ. This i... | 1,760,374,023.969548 | ||
https://hackaday.com/2019/02/28/littlevgl-brings-gui-tools-to-micropython/ | LittlevGL Brings GUI Tools To Micropython | Lewin Day | [
"Microcontrollers"
] | [
"gui",
"micropython",
"python"
] | Microcontrollers are wonderfully useful things, but programming them can be a little daunting if you’re used to the simplicity of compiling for regular PCs. Over time though, this has become easier. Communities have strayed away from assembly code and created higher-level languages such as Micropython, to allow these d... | 16 | 5 | [
{
"comment_id": "5929225",
"author": "Stefan T.",
"timestamp": "2019-03-01T06:53:13",
"content": "I’m glad to see LittlevGL gain a bit more popularity. I stumbled across it at work but I’ve used it (and even contributed a few small things) in a private project and really like it. It’s fairly easy to... | 1,760,374,024.021817 | ||
https://hackaday.com/2019/02/27/teardown-applights-personalized-projection/ | Teardown: AppLights Personalized Projection | Tom Nardi | [
"Holiday Hacks",
"LED Hacks",
"Teardown"
] | [
"bluetooth",
"christmas lights",
"home depot",
"i2c",
"led",
"logic analyzer",
"projector",
"rgb",
"TTC2541"
] | Listen, it hurts to hear, but somebody needs to say it. It’s over, OK? You’ve got to admit it and move on. Sure, you could get away with it for a week or two in January, but now it’s just getting weird. No matter how hard you fight it, the facts are the facts: the holidays are over. It’s time to pack up all those light... | 22 | 9 | [
{
"comment_id": "5924517",
"author": "Peekobuo",
"timestamp": "2019-02-27T18:12:23",
"content": "“Though one does wonder what advantage a battery powered holiday projector would even hold, given the fact that it would never need to be moved to begin with.”Not this one!How many of us have power outle... | 1,760,374,024.548099 | ||
https://hackaday.com/2019/02/27/ask-hackaday-can-we-get-someone-to-buy-and-destroy-ram/ | Ask Hackaday: Can We Get Someone To Buy And Destroy RAM? | Brian Benchoff | [
"hardware"
] | [
"corsair",
"RGB LED"
] | We like blinky things. We’re moths drawn to the flame of serially-addressable RGB LEDs. If the LEDs are smaller, we want to know. If you can drive more of them, we want to know. That said, the most interesting news out of CES last January was both right up our alley, and immensely disappointing. Corsair, makers of RGB ... | 37 | 17 | [
{
"comment_id": "5924373",
"author": "Ren",
"timestamp": "2019-02-27T17:11:25",
"content": "Your first link came up 404(a very nice 404 I might add)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5924553",
"author": "Dan Maloney",
"timestamp"... | 1,760,374,024.474735 | ||
https://hackaday.com/2019/02/27/ten-3d-printed-gadgets-that-just-cant-stay-still/ | Ten 3D Printed Gadgets That Just Can’t Stay Still | Tom Nardi | [
"3d Printer hacks",
"contests",
"Hackaday Columns"
] | [
"3d printed",
"3D Printed Gears Pulleys and Cam Contest",
"cams",
"clock",
"gear box",
"gears",
"Mechanisms",
"Music box"
] | There was a time, not so very long ago, when simply getting a 3D printer to squirt out an object that was roughly the intended shape and size of what the user saw on their computer screen was an accomplishment. But like every other technology, the state of the art has moved forward. Today the printers are better, and t... | 0 | 0 | [] | 1,760,374,024.762827 | ||
https://hackaday.com/2019/02/27/hack-my-house-raspberry-pi-as-a-touchscreen-thermostat/ | Hack My House: Raspberry Pi As A Touchscreen Thermostat | Jonathan Bennett | [
"Hackaday Columns",
"home hacks",
"News",
"Raspberry Pi"
] | [
"hvac",
"raspberry pi",
"thermostat"
] | Your thermostat is some of the oldest and simplest automation in your home. For years these were one-temperature setting and nothing more. Programmable thermostats brought more control; they’re alarm clocks attached to your furnace. Then Nest came along and added beautiful design and “learning features” that felt like ... | 51 | 15 | [
{
"comment_id": "5924100",
"author": "Chris Sparks",
"timestamp": "2019-02-27T15:12:26",
"content": "I was going to use a RPi3 as a thermostat controller but gave up as the power coming from my 24VAC was not enough to run it.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,024.862301 | ||
https://hackaday.com/2019/02/27/simple-timer-evolves-into-custom-kids-watch/ | Simple Timer Evolves Into Custom Kid’s Watch | Dan Maloney | [
"clock hacks"
] | [
"analog",
"ATtiny841",
"digital",
"IS31FL3235",
"LCC8 M41T62",
"lipo",
"MCP73831",
"micronucleus",
"watch",
"wristwatch"
] | Sporting a new wristwatch to school for the first time is a great moment in a kid’s life. When it’s
a custom digital-analog watch
made by your dad, it’s another thing altogether.
As [Chris O’Riley] relates, the watch he built for his son [Vlad] started out as a simple timer for daily toothbrushing, a chore to which any... | 10 | 4 | [
{
"comment_id": "5924144",
"author": "Shonky",
"timestamp": "2019-02-27T15:33:36",
"content": "Nice!If he’d turn two LEDs on at once when the time is closest to 2.5minutes between the 5 minutes, he could be accurate to 2.5 minutes.EG,12:00, just the 12 LED12:01:26, turn on the 12 and 1 LEDs,12:03:76... | 1,760,374,024.906182 | ||
https://hackaday.com/2019/02/27/multiple-oleds-save-pins-by-sharing-the-i2c-clock/ | Multiple OLEDs? Save Pins By Sharing The I2C Clock | Donald Papp | [
"how-to",
"Microcontrollers"
] | [
"bus",
"i2c",
"oled",
"shared clock",
"twi"
] | Inexpensive OLED displays with I2C interfaces abound, but there is a catch: they tend to be stuck on I2C address 0x3C. Some have a jumper or solder pads to select an alternate (usually 0x3D), but they lack any other method. Since an I2C bus expects every device to have a unique address, this limits the number of displa... | 17 | 10 | [
{
"comment_id": "5923112",
"author": "Erik Johnson",
"timestamp": "2019-02-27T09:42:55",
"content": "Alternatively, you put all on the same bus as per usual, but mux them by toggling the address pin – keep then all on one address (eg $3D), but change the address pin of the one you want to talk to at... | 1,760,374,025.03692 | ||
https://hackaday.com/2019/02/26/common-chemicals-combine-to-make-metallic-sodium/ | Common Chemicals Combine To Make Metallic Sodium | Dan Maloney | [
"chemistry hacks"
] | [
"alcohol",
"catalyst",
"Chemistry",
"lye",
"magnesium",
"menthol",
"NaOH",
"reacive",
"sodium"
] | There’s no debating that metallic sodium is exciting stuff, but getting your hands on some can be problematic, what with the need to ship it in a mineral oil bath to keep it from exploding. So why not make your own? No problem, just pass a few thousand amps of current through an 800° pot of molten table salt. Easy as p... | 16 | 7 | [
{
"comment_id": "5922479",
"author": "mobius_striptease",
"timestamp": "2019-02-27T06:23:25",
"content": "NurdRage has done a great job of optimizing this procedure.It began with some folks over at ScienceMadness.The original process was used to isolate elemental potassium using a similar reaction.H... | 1,760,374,025.092511 | ||
https://hackaday.com/2019/02/26/new-kinect-sensor-switch-focus-from-gamers-to-developers/ | New Kinect Sensor Switch Focus From Gamers To Developers | Roger Cheng | [
"Kinect hacks",
"News"
] | [
"azure",
"depth camera",
"depth sensor",
"Kinect",
"microsoft"
] | Microsoft’s Kinect may not have found success as a gaming peripheral, but recognizing that a depth sensor is too cool to leave for dead, development continued even after Xbox gaming peripherals were discontinued. This week their latest iteration emerged and we can get it in the form of
Azure Kinect DK.
This is a develo... | 31 | 12 | [
{
"comment_id": "5919887",
"author": "Xeon.",
"timestamp": "2019-02-26T12:17:28",
"content": "Good!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5919970",
"author": "Tegwyn☠Twmffat",
"timestamp": "2019-02-26T12:44:42",
"content": "The Sensor SDK ... | 1,760,374,024.9803 | ||
https://hackaday.com/2019/02/26/reverse-engineering-keeps-keck-telescopes-on-track/ | Reverse Engineering Keeps Keck Telescopes On Track | Dan Maloney | [
"Misc Hacks"
] | [
"keck",
"observatory",
"pcb",
"reverse engineering",
"servo",
"servo amplifier",
"telescope"
] | Perched atop a dormant volcano far above the roiling tropical air of the Big Island of Hawai’i sit two of the largest optical telescopes in the world. Each 10-meter main mirror is but a single part of a magnificent machine weighing in at some 400 tons that needs to be positioned with incredible precision. Keeping Keck ... | 13 | 9 | [
{
"comment_id": "5919669",
"author": "Gregg Eshelman",
"timestamp": "2019-02-26T10:28:30",
"content": "That article is about building new power supplies or “small signal boards”, not the amplifiers. I like the revision designation “New”. He’s made all the documentation available to build copies of t... | 1,760,374,025.144604 | ||
https://hackaday.com/2019/02/25/a-raspberry-pi-grimoire-for-the-command-line-wizard/ | A Raspberry Pi Grimoire For The Command Line Wizard | Tom Nardi | [
"laptops hacks",
"Raspberry Pi"
] | [
"3d printed",
"book",
"laptop",
"Raspberry Pi Zero"
] | Who says there’s no such thing as magic? Not anyone who knows what a Unix pipe is, that’s for sure. If you do some of your best incantations at a blinking cursor, this
scratch-built Raspberry Pi Zero “Spellbook” laptop created by [Calvin]
might be just what the apothecary ordered. Lucky for us, he was kind enough to do... | 23 | 8 | [
{
"comment_id": "5918962",
"author": "Matt",
"timestamp": "2019-02-26T07:29:44",
"content": "This stuff makes me pretty happy to see people make. Sure, the Pi laptop has been done before. But as people keep at this, I hope we start progressing towards more capable and more open hardware that people ... | 1,760,374,025.21327 | ||
https://hackaday.com/2019/02/25/visual-magnetic-fields/ | Visual Magnetic Fields | Brian McEvoy | [
"digital cameras hacks"
] | [
"flux",
"flux lines",
"magnet",
"permanent magnet",
"slow motion",
"visualization"
] | If you need help visualizing magnetic fields, these
slow-motion video captures
should educate or captivate you. Flux lines are difficult to describe in words, because magnet shape and strength play a part. It might thus be difficult to visualize what is happening with a conical magnet, for a person used to a bar magnet... | 18 | 5 | [
{
"comment_id": "5918553",
"author": "Nils",
"timestamp": "2019-02-26T03:56:04",
"content": "He’ll never get the iron particles from the magnet *ever*.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5918782",
"author": "jaap",
"timestamp": "2... | 1,760,374,025.332897 | ||
https://hackaday.com/2019/02/25/know-your-fits-and-tolerances/ | Know Your Fits And Tolerances | Lewin Day | [
"Tool Hacks"
] | [
"machining",
"metalwork",
"tolerances"
] | When designing parts on a screen, it’s very easy to type in a bunch of nice round numbers and watch everything slot together in perfect harmony. Unfortunately, the real world is not so kind. A 10mm shaft will not readily fit in a 10mm hole, and producing parts to perfect dimensions simply isn’t possible. This is where ... | 12 | 6 | [
{
"comment_id": "5918123",
"author": "Matt",
"timestamp": "2019-02-26T01:02:16",
"content": "One mistake that some make is over-specifying tolerances, i.e. each part must be to 0.001 (measurement unit of choice) when 0.05 would more than suffice. I have seen a project use as a template a high-precis... | 1,760,374,025.2791 | ||
https://hackaday.com/2019/02/25/casting-the-bed-of-a-cnc-machine-in-granite/ | Casting The Bed Of A CNC Machine In Granite | Brian Benchoff | [
"Tool Hacks"
] | [
"cnc",
"CNC router",
"router"
] | If you’re looking at CNC machines, or machine tools in general, heavier is better. That old drill press or mill made of a few hundred pounds of cast iron isn’t just better because it’s stood the test of time for a hundred years — greater mass equals less vibration. Thanks to modern epoxy resins, we now have a replaceme... | 22 | 9 | [
{
"comment_id": "5917710",
"author": "Cartse",
"timestamp": "2019-02-25T22:47:17",
"content": "Its not just mass which dampens vibration. That old drill press is so good because it’s made of grey cast iron, a material with intrinsic vibration damping properties that no amount of epoxy can compete wi... | 1,760,374,025.576114 | ||
https://hackaday.com/2019/02/25/e-ink-price-tags-fall-off-store-shelves-onto-your-workbench/ | E-Ink Price Tags Fall Off Store Shelves Onto Your Workbench | Jenny List | [
"Parts"
] | [
"e-ink",
"e-ink display",
"e-ink price tag"
] | There’s always a magic moment for our community in the lifecycle of any piece of technology: the point at which it first becomes available for pennies on the surplus market. Something which could previously be had only at a price is rendered down to mere pennies, and we are free to hack to our heart’s content.
Such a m... | 38 | 15 | [
{
"comment_id": "5916573",
"author": "Michael",
"timestamp": "2019-02-25T20:31:16",
"content": "Your ideas are intriguing to me, and I wish to subscribe to your newsletter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5916681",
"author": "Ostracus",
... | 1,760,374,025.700484 | ||
https://hackaday.com/2019/02/26/blink-an-led-on-the-internet-of-things/ | Blink An LED On The Internet Of Things | Tom Nardi | [
"LED Hacks",
"Microcontrollers"
] | [
"activity monitor",
"ESP8266",
"hdd",
"led",
"wifi"
] | Blinking an LED is generally considered the hardware equivalent of the classic “Hello World” project. It’s a quick and simple test to show that you’ve got the basics worked out, and a launching point for bigger and better things. So why should it be any different in this glorious new Internet of Things era?
The “WiFi H... | 8 | 4 | [
{
"comment_id": "5922141",
"author": "rustycans",
"timestamp": "2019-02-27T04:16:38",
"content": "Or if you don’t want to reinvent the wheel entirely this is a great open source solution that supports a wide range of sensors for the ESP boards and more:https://esphome.io/index.htmlOn the PC side Hom... | 1,760,374,025.627425 | ||
https://hackaday.com/2019/02/26/the-no-parts-temperature-sensor-in-your-arduino/ | The No-Parts Temperature Sensor In Your Arduino | Brian Benchoff | [
"Arduino Hacks"
] | [
"arduino",
"temperature",
"temperature sensor"
] | [Edward], creator of the Cave Pearl project, an underwater data logger, needed a way to measure temperature with a microcontroller. Normally, this problem is most easily solved by throwing a temperature sensor on the I2C bus — these sensors are cheap and readily available. This isn’t about connecting a temperature sens... | 25 | 10 | [
{
"comment_id": "5921609",
"author": "Edward Mallon",
"timestamp": "2019-02-27T00:15:27",
"content": "Nooooo not accuracy! I never said that! I was just demonstrating the method has the potential to deliver high resolution. AND I’m still wrestling with jitter – haven’t had time to work out if that’s... | 1,760,374,025.763646 | ||
https://hackaday.com/2019/02/26/the-faa-mandates-external-registration-markings-for-drones/ | The FAA Mandates External Registration Markings For Drones | Jenny List | [
"drone hacks",
"News"
] | [
"drone",
"drone registration",
"faa",
"multirotor"
] | Drone fliers in the USA
must soon display their registration markings on the exterior of their craft
, rather than as was previously acceptable, in accessible interior compartments. This important but relatively minor regulation change has been announced by the FAA in response to concerns that malicious operators could... | 68 | 13 | [
{
"comment_id": "5921210",
"author": "Tom Brusehaver",
"timestamp": "2019-02-26T21:06:13",
"content": "The rule says “small unmanned aircraft”.paper airplanes qualify.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5921259",
"author": "DKE",
... | 1,760,374,025.86716 | ||
https://hackaday.com/2019/02/26/an-attiny-metal-detector/ | An ATtiny Metal Detector | Jenny List | [
"Microcontrollers"
] | [
"attiny13",
"diy metal detector",
"metal detector",
"pulsed induction"
] | A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki] shows us
a more sophisticated machine
, but with judicious use of an ATtiny 13 it is not a complex one.
A pulsed induction metal ... | 18 | 5 | [
{
"comment_id": "5921075",
"author": "Hirudinea",
"timestamp": "2019-02-26T20:09:37",
"content": "“W Szczebrzeszynie, wykrywacz metalu brzmi w trzcinie”That’s easy for you to say! (Me not so much.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5921178",
"... | 1,760,374,025.92269 | ||
https://hackaday.com/2019/02/26/hands-on-hacker-hotel-2019-badge-packs-esp32-e-ink-and-a-shared-heritage/ | Hands-on: Hacker Hotel 2019 Badge Packs ESP32, E-Ink, And A Shared Heritage | Jenny List | [
"cons",
"Hackaday Columns",
"Reviews"
] | [
"badge.team",
"badgelife",
"badges",
"Hacker Hotel"
] | When you go to a hacker conference, you always hope there’s going to be a hardware badge. This is an interactive piece of custom electronics that gets you in the door while also delighting and entertaining during the con (and hopefully far beyond it).
Hot off the presses then is the
Hacker Hotel
badge, from the comfort... | 6 | 4 | [
{
"comment_id": "5920914",
"author": "Jerry",
"timestamp": "2019-02-26T18:50:55",
"content": "Sweet Jenny",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5921189",
"author": "Ren",
"timestamp": "2019-02-26T20:57:10",
"content": "And it didn’t use a ... | 1,760,374,025.967193 | ||
https://hackaday.com/2019/02/26/playing-pokemon-on-a-crt-thanks-to-a-powerful-microcontroller/ | Playing Pokemon On A CRT Thanks To A Powerful Microcontroller | Lewin Day | [
"Nintendo Game Boy Hacks"
] | [
"emulation",
"emulator",
"game boy",
"nintendo",
"stm32"
] | Microcontrollers come in a broad swathe of capabilities these days. There are the venerable 8-bit micros that have been around forever and valiantly crunch away, all the way up to modern 32-bit powerhouses with advanced peripherals and huge amounts of RAM and ROM. If you’re blinking a few LEDs or opening a garage door,... | 2 | 2 | [
{
"comment_id": "5920691",
"author": "kak",
"timestamp": "2019-02-26T17:32:57",
"content": "@ games making a gameboy emulator now? ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6252863",
"author": "Joshua",
"timestamp": "2020-06-09T18:13:06",
"... | 1,760,374,026.008772 | ||
https://hackaday.com/2019/02/26/putting-the-brakes-on-high-frequency-trading-with-physics/ | Putting The Brakes On High-Frequency Trading With Physics | Dan Maloney | [
"Featured",
"Interest",
"Original Art"
] | [
"delay line",
"fiber optics",
"finance",
"high-frequency trading"
] | In the middle of the East Coast’s slow broil in the summer of 2018, a curious phenomenon surfaced. As a tropical air mass settled in and smothered the metropolitan New York area, a certain breed of stock speculator began feeling the financial heat as the microwave signals linking together various data centers and excha... | 65 | 11 | [
{
"comment_id": "5920400",
"author": "Dielectric",
"timestamp": "2019-02-26T15:21:01",
"content": "Grace Hopper would be pleased, I think.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5920462",
"author": "Jac Goudsmit",
"timestamp": "2019-0... | 1,760,374,026.116142 | ||
https://hackaday.com/2019/02/24/infinite-build-volume-with-reprap-on-wheels/ | Infinite Build Volume With RepRap On Wheels | Lewin Day | [
"3d Printer hacks"
] | [
"Helios",
"infinite build",
"infinite build volume",
"reprap",
"reprap HELIOS",
"scara",
"SCARA arm"
] | The average 3D printer is a highly useful tool, great for producing small plastic parts when given enough time. Most projects to build larger 3D printed objects use various techniques to split them into smaller parts which can fit inside the limited build volume of most Cartesian-based printers. However, there’s no rea... | 13 | 7 | [
{
"comment_id": "5914331",
"author": "Mike Massen",
"timestamp": "2019-02-25T06:31:30",
"content": "Hmm, cool. Nicely written up, variations bound to continue, thanks for post :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5915049",
"author": "Spacedog... | 1,760,374,026.163928 | ||
https://hackaday.com/2019/02/24/get-twelve-charlieplexed-pwm-outputs-from-an-attiny85/ | Get Twelve Charlieplexed PWM Outputs From An ATtiny85 | Donald Papp | [
"ATtiny Hacks",
"LED Hacks",
"Microcontrollers"
] | [
"attiny",
"attiny85",
"brightness",
"charlieplexing",
"led",
"led brightness",
"pwm"
] | Most of us are aware that charlieplexing can drive a large number of LEDs from a relatively small number of I/O pins, but [David Johnson-Davies] demonstrates adding another dimension to that method to create individually controlled PWM outputs as well.
His ATtiny85 has twelve LEDs, each with individually-set brightness... | 8 | 3 | [
{
"comment_id": "5913841",
"author": "Ale",
"timestamp": "2019-02-25T03:53:50",
"content": "Wow! Increible! I love attiny85! It could bé used to create a simple clock. Using the free I/O with an external Real Time module. I will try it.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,026.410219 | ||
https://hackaday.com/2019/02/24/hackaday-links-february-24-2019/ | Hackaday Links: February 24, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"ASMR",
"nike",
"pantorouter",
"pcb",
"PCB Chain",
"Stripol",
"ultralight"
] | Back To The Future Part II
, released in 1989, told us the far-off future of 2015 would have flying cars, drones working for national newspapers, and self-lacing sneakers. Our best hope for flying cars is Uber, and that’s going to be hilarious when it fails. (Note to Uber: buy KSMO, Santa Monica airport, as an air taxi... | 20 | 6 | [
{
"comment_id": "5912969",
"author": "gregkennedy",
"timestamp": "2019-02-25T00:17:37",
"content": "Wait… a gas engine + 5gal gas is heavier than a motor + batteries (in an ultralight)? Since when? This changes everything!Also IIRC part 103 limits the amount of fuel you may carry on board. How do... | 1,760,374,026.365509 | ||
https://hackaday.com/2019/02/24/curve-tracing-on-spray-painted-crts/ | Curve Tracing On Spray Painted CRTs | Brian Benchoff | [
"classic hacks"
] | [
"crt",
"Lissajous",
"lissajous curves"
] | A Lissajous curve is formed when two sine waves plotted on their respective X and Y axes. You can see one using an oscilloscope and a couple of signal generators, if you play with one of those ‘pendulums tracing in the sand’ toys, or if you really need something sciencey for your home decor you can trace them out with ... | 16 | 9 | [
{
"comment_id": "5912129",
"author": "Hirudinea",
"timestamp": "2019-02-24T21:13:23",
"content": "We control the horizontal, we control the vertical, etc, etc, etc.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5913839",
"author": "JohnJ",
"... | 1,760,374,026.228369 | ||
https://hackaday.com/2019/02/24/well-protected-usb-power-strip-makes-it-easy-to-plug-in/ | Well-Protected USB Power Strip Makes It Easy To Plug In | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"crowbar",
"e-fuse",
"polyfuse",
"power supply",
"switched-mode power supply",
"transient",
"usb"
] | When we get a new device these days, somewhere in the package is likely to be a wall-wart USB power supply. We look for a place to plug in the little switch-mode dongle, rearrange a few plugs in the mains power strip, and curse its designers for the overly cozy outlet spacing. And all the while that USB-A plug on the p... | 24 | 10 | [
{
"comment_id": "5911752",
"author": "Col. Panek",
"timestamp": "2019-02-24T18:13:06",
"content": "I’m an old transmitter guy. We didn’t throw a real crowbar across the high voltage. We used an electronic crowbar, like a thyratron, triggered spark gap, or ignitron. You need to sense anomalies in fra... | 1,760,374,026.467587 | ||
https://hackaday.com/2019/02/24/mustang-dash-becomes-bookshelf-art-piece/ | Mustang Dash Becomes Bookshelf Art Piece | Lewin Day | [
"car hacks"
] | [
"dashboard",
"instrument cluster",
"mustang"
] | Despite most of the common gauges remaining the same over the last 60 years, the automotive dashboard of days past used very different technology to those today. Cable driven speedometers were common, along with mechanical drive for the odometer, too. Fuel and temperature gauges were often wired directly to their sende... | 17 | 12 | [
{
"comment_id": "5911598",
"author": "Jake",
"timestamp": "2019-02-24T16:44:05",
"content": "Who rebuilt this cluster for you and made it blue LEDs?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5912363",
"author": "Dissy",
"timestamp": "201... | 1,760,374,026.676411 | ||
https://hackaday.com/2019/02/24/pathio-new-3d-slicer-from-e3d/ | Pathio: New 3D Slicer From E3D | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"cura",
"electron",
"icesl",
"pathio",
"slic3r",
"slicer"
] | Having a great word processor won’t actually help you write the next bestselling novel. It might make it easier, but if you have a great novel in you, you could probably write it on paper towels with a crayon if you had to. A great 3D printer isn’t all you need to make great 3D prints. A lot depends on the model you st... | 35 | 14 | [
{
"comment_id": "5911213",
"author": "Slic3r",
"timestamp": "2019-02-24T12:26:43",
"content": "So instead of E3D integrating these handful of features into one of the existing open source slicers, we’re expected to use a new, paid, closed-source slicer based on Electron of all things? It’s like they... | 1,760,374,027.028808 | ||
https://hackaday.com/2019/02/24/dat-the-hd-video-tape-format-we-never-knew-we-had/ | DAT, The HD Video Tape Format We Never Knew We Had | Jenny List | [
"classic hacks",
"Video Hacks"
] | [
"DAT",
"DAT tape",
"h.265",
"video"
] | When we consume our music online via streaming services it is easy to forget the days of recordings being contained on physical media, and to overlook the plethora of competing formats that vied for space in our hi-fi systems to play them. [Andrew Rossignol] has an eye for dated recording media formats as a chiptune en... | 48 | 13 | [
{
"comment_id": "5910943",
"author": "twistedman",
"timestamp": "2019-02-24T09:49:37",
"content": "that is very cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5910992",
"author": "jj",
"timestamp": "2019-02-24T10:15:53",
"content": "This is al... | 1,760,374,026.816605 | ||
https://hackaday.com/2019/02/23/flying-convenience-not-so-convenient/ | Flying Convenience Not So Convenient | Lewin Day | [
"classic hacks"
] | [
"flight",
"radio control",
"toilet",
"toilet hacks"
] | It’s a situation that plays out every day, all over the world – you walk into work, and there’s a full-scale foam toilet sitting on the bench, demanding to be used in a crackpot project. This time, it happened to be at the [FliteTest] workshop, and naturally,
they set about making it fly.
The team at [FliteTest] are we... | 19 | 12 | [
{
"comment_id": "5910425",
"author": "Ostracus",
"timestamp": "2019-02-24T06:25:36",
"content": "Strap some wings to a pig and see what happens.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5910556",
"author": "CodeMonkey",
"timestamp": "20... | 1,760,374,026.733733 | ||
https://hackaday.com/2019/02/23/thinkpad-t25-gets-less-retro-with-hardware-swap/ | Thinkpad T25 Gets Less Retro With Hardware Swap | Tom Nardi | [
"hardware",
"laptops hacks"
] | [
"lenovo",
"T25",
"T470",
"T480",
"thinkpad"
] | For many, the Thinkpad T25 was something of a dream come true. Celebrating the 25th anniversary of the venerable business-oriented laptop that hackers love so much, it featured a design inspired by “retro” Thinkpads of yore, but with modern hardware inside. Unfortunately, as it was more fan service than a serious revit... | 14 | 4 | [
{
"comment_id": "5910195",
"author": "Jeremy S Cook",
"timestamp": "2019-02-24T04:21:30",
"content": "As far as laptop design goes, IMO, there are thinkpads, apple, and lots of inferior products. That being said, I’m on my second Lenovo Yoga, which is pretty good too (1st gen seemed more solid build... | 1,760,374,026.955293 | ||
https://hackaday.com/2019/02/23/polar-platform-spins-out-intricate-string-art-portraits/ | Polar Platform Spins Out Intricate String Art Portraits | Dan Maloney | [
"Art",
"cnc hacks"
] | [
"cnc",
"g-code",
"linear bearing",
"polar",
"string",
"String Art",
"tensioner",
"thread"
] | We have semi-fond memories of string art from our grade school art class days. We recall liking the part where we all banged nails into a board, but that bit with wrapping the thread around the nails got a bit tedious.
This CNC string art machine
elevates the art form far above the grammar school level without all the ... | 14 | 7 | [
{
"comment_id": "5909863",
"author": "Perry Harrington",
"timestamp": "2019-02-24T01:04:47",
"content": "I am amused at the irony he invented makerslide but this project doesn’t use any for the linear axes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "591018... | 1,760,374,026.865169 | ||
https://hackaday.com/2019/02/23/charging-lipos-with-usb-power-delivery/ | Charging LiPos With USB Power Delivery | Lewin Day | [
"classic hacks"
] | [
"power delivery",
"usb",
"USB C",
"USB Power Delivery",
"USB-PD"
] | DC power bricks were never a particularly nice way to run home electronics. Heavy and unwieldy, they had a tendency to fall out and block adjacent outlets from use. In recent years, more and more gadgets are shipping with USB ports for power input. However, power over USB has always been fraught with different companie... | 2 | 1 | [
{
"comment_id": "5910448",
"author": "bobby",
"timestamp": "2019-02-24T06:38:33",
"content": "Meh. He is not charging the LiPos with a USB PD power supply. He is simply using one to power a LiPo charger. Misleading title.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,374,026.903705 | ||
https://hackaday.com/2019/02/23/ultra-tiny-pc-plays-snake/ | Ultra Tiny PC Plays Snake | Al Williams | [
"3d Printer hacks",
"ATtiny Hacks"
] | [
"3d printing",
"attiny",
"miniature",
"snake",
"tiny"
] | [Steve Martin] used to do a comedy act about “Let’s get small!” You have to wonder if [Paul Klinger] is a fan of that routine, as he recently completed a very
small 3D printed PC
that plays snake. Ok, it isn’t really a PC and it isn’t terribly practical, but it is really well executed and would make a great desk conver... | 9 | 6 | [
{
"comment_id": "5908983",
"author": "Jan",
"timestamp": "2019-02-23T18:51:45",
"content": "wow! that is one huge banana… oh… wait. now I see it.Great project! (pun intended)I really love the little joystick.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "59... | 1,760,374,027.183933 | ||
https://hackaday.com/2019/02/23/the-pc-speaker-lives-on-as-a-new-album/ | The PC Speaker Lives On As A New Album | Brian Benchoff | [
"classic hacks",
"Musical Hacks"
] | [
"album",
"music",
"PC speaker"
] | The speaker in the original IBM PC is nearly the worst electronic musical instrument ever created. This isn’t because amazing works of art were never created for the PC speaker; no, that’s been done, and it’s amazing. The PC speaker is terrible because of how limited it is. It does one note at a time, only square waves... | 25 | 16 | [
{
"comment_id": "5908468",
"author": "kryptylomese",
"timestamp": "2019-02-23T15:42:27",
"content": "The 48K ZX spectrum’s speaker is also just a single bit on or off and the clever programmers of the day managed to create the music in the link below.https://www.youtube.com/watch?v=u-D24A_N4d4",
... | 1,760,374,027.095176 | ||
https://hackaday.com/2019/02/23/art-deco-control-panel-looks-out-of-metropolis/ | Art Deco Control Panel Looks Out Of Metropolis | Dan Maloney | [
"classic hacks"
] | [
"aluminum",
"Art Deco",
"chaser light",
"chassis",
"control panel",
"metalworking",
"retro",
"walnut",
"woodworking"
] | Bakelite, hammertone gray finish, big chunky toggle switches, jeweled pilot lights – these are a few of [Wesley Treat]’s favorite retro electronics things. And he’ll get no argument from us, as old gear is one of our many weak spots. So when he was tasked by a friend to come up with some chaser lights for an Art Deco-t... | 9 | 8 | [
{
"comment_id": "5908253",
"author": "Stuart Rubin",
"timestamp": "2019-02-23T14:20:20",
"content": "Wow! I’ve never even considered that a human could make something like this, by hand, in the 21st century! The attention to detail here is amazing. It’s given me some ideas. Well done!",
"parent_... | 1,760,374,027.142351 | ||
https://hackaday.com/2019/02/23/colour-code-your-way-to-timber-satisfaction/ | Colour-Code Your Way To Timber Satisfaction | Jenny List | [
"Lifehacks"
] | [
"lifehacks",
"makerspaces",
"Men In Sheds",
"MK Makerspace",
"timber store",
"wood store"
] | As Hackaday writers we see the insides of as many hackerspaces as we can, and some of us make it our business to be members of more than one within reach of our homes. Thus it was that a simple but extremely elegant hackerspace lifehack came our way, courtesy of our friends at
Milton Keynes Makerspace
.
MK Makerspace h... | 6 | 2 | [
{
"comment_id": "5907811",
"author": "André Esteves (@aifesteves)",
"timestamp": "2019-02-23T11:29:42",
"content": "Problem working with colour blind people…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5908385",
"author": "[EGO]",
"timesta... | 1,760,374,027.232846 | ||
https://hackaday.com/2019/02/22/raspberry-pi-revives-stand-alone-divx-player/ | Raspberry Pi Revives Stand-Alone DivX Player | Tom Nardi | [
"classic hacks",
"home entertainment hacks",
"Raspberry Pi"
] | [
"DivX",
"DVD player",
"ide",
"Kodi",
"optical drive"
] | It might seem almost comical to our more fresh-faced readers, but there was a time when you could go into a big box retailer and purchase what was known as a “DivX Player”. Though they had the outward appearance of a normal DVD player, these gadgets could read various digital video file formats off of a CD-R or DVD-R, ... | 19 | 10 | [
{
"comment_id": "5906845",
"author": "Nrrdzilla",
"timestamp": "2019-02-23T06:23:09",
"content": "wow – when I first read the headline I thought the article was going to be about one of these:https://en.wikipedia.org/wiki/DIVX(and this, naturally:https://pennyarcade.fandom.com/wiki/Div)One of *those... | 1,760,374,027.403 | ||
https://hackaday.com/2019/02/22/foundations-for-machine-learning-in-english-or-russian/ | Foundations For Machine Learning In English (Or Russian) | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"machine learning",
"ml",
"neural networks"
] | We are big fans of posts and videos that try to give you a gut-level intuition on technical topics. While [vas3k’s] post “
Machine Learning for Everyone
” fits the bill, we knew we’d like it from the opening sentences:
Machine Learning is like sex in high school. Everyone is talking about it, a few know what to do, and... | 5 | 4 | [
{
"comment_id": "5906260",
"author": "Technomaly",
"timestamp": "2019-02-23T03:54:12",
"content": "Been looking for a primer on this forever. Thanks for posting. Very helpful. hackaday rules.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5906408",
"aut... | 1,760,374,027.449031 | ||
https://hackaday.com/2019/02/22/a-coin-cell-powers-this-tiny-esp32-dev-board/ | A Coin Cell Powers This Tiny ESP32 Dev Board | Dan Maloney | [
"Microcontrollers"
] | [
"accelerometer",
"capactive",
"coin cell",
"ESP32",
"ldo",
"LIR2450",
"oled",
"Pico D4",
"usb"
] | Just for the challenge, just for fun, just for bragging rights, and just to do a little showing off – all perfectly valid reasons to take on a project. It seems like one or more of those are behind
this tiny ESP32 board that’s barely larger than the coin cell that powers it
.
From the video below, [Mike Rankin] has bee... | 27 | 10 | [
{
"comment_id": "5906382",
"author": "MarkF",
"timestamp": "2019-02-23T04:26:14",
"content": "That is very, very cool. If I could buy one of these now I would, although I’d probably want at least one pin exposed somehow for interfacing…maybe in place of the capacitive pad?Also, kudos for using the C... | 1,760,374,027.741838 | ||
https://hackaday.com/2019/02/22/building-an-optically-pumped-laser-pointer/ | Building An Optically Pumped Laser Pointer | Lewin Day | [
"Laser Hacks"
] | [
"laser",
"laser pointer",
"opsl",
"optically pumped laser"
] | As a society, we’ve largely come together to agree that laser pointers are mostly useless. They’re now the preserve of university lecturers and those destined to wind up in a jail cell for harassing helicopter pilots. Most pointers are of the diode-pumped solid state variety.
However, [Zenodilodon] treads a different p... | 25 | 7 | [
{
"comment_id": "5905037",
"author": "Stevo Bambino",
"timestamp": "2019-02-22T21:39:08",
"content": "“As a society, we’ve largely come together to agree that laser pointers are mostly useless.”One word: Cats.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5... | 1,760,374,027.67824 | ||
https://hackaday.com/2019/02/22/nerf-mods-via-3d-printing/ | Nerf Mods Via 3D Printing | Lewin Day | [
"3d Printer hacks"
] | [
"hasbro",
"nerf",
"nerf hacks"
] | Nerf guns are a great way to annoy parents. Simply give them as a gift to any child, and watch precious family heirlooms tumble to the ground as little Holly commando rolls behind the couch to avoid enemy combatants invading the loungeroom. Adults may find them lacking in stopping power and firing rate, but not to worr... | 2 | 2 | [
{
"comment_id": "5907403",
"author": "Phil",
"timestamp": "2019-02-23T09:11:48",
"content": "Several of us at work put similar together. Big kids with access to 3D printers and beer… much fun. But we needed a BFG version – so this was made:https://www.thingiverse.com/thing:2424643",
"parent_id... | 1,760,374,027.591032 |
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