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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/04/09/beautiful-pi-powered-cocktail-machine/ | Beautiful Pi-Powered Cocktail Machine | Rich Hawkes | [
"Raspberry Pi"
] | [
"automatic bartender",
"cocktail machine",
"drink mixing robot",
"drinks",
"raspberry pi"
] | Science fiction has long had the idea that a good drink should just appear from a sliding panel in a wall. Bartending is to be the preserve of robots and AIs – manual control is for the past, and in an effort to continue our progress to towards that sci-fi future, Reddit user [HighwingZ] has built a
beautiful machine t... | 10 | 4 | [
{
"comment_id": "4471732",
"author": "Dave",
"timestamp": "2018-04-10T05:13:31",
"content": "Give it voice control and we’re done.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4471748",
"author": "Scaramouche",
"timestamp": "2018-04-10T05:2... | 1,760,374,414.015649 | ||
https://hackaday.com/2018/04/09/social-networking-robot-actually-respects-privacy/ | Social Networking Robot Actually Respects Privacy | Donald Papp | [
"home hacks",
"Robots Hacks"
] | [
"fribo",
"Korea",
"live alone",
"privacy",
"research",
"robot",
"social network",
"social robot",
"social trigger"
] | [Fribo] the robot is a research project in the form of an adorable unit that hears and speaks, but doesn’t move. Moving isn’t necessary for it to do its job, which is
helping people who live alone feel more connected with their friends
. What’s more interesting (and we daresay, unusual) is that it does this in a way th... | 27 | 8 | [
{
"comment_id": "4471540",
"author": "Saabman",
"timestamp": "2018-04-10T02:31:55",
"content": "So when it hears the toilette flush does it say something like “your friends stink”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4471567",
"author": "Olsen",
... | 1,760,374,414.081488 | ||
https://hackaday.com/2018/04/09/who-made-the-first-human-audio-recordings-edison-not-so-fast/ | Who Made The First Human Audio Recordings? Edison? Not So Fast! | Al Williams | [
"History"
] | [
"history",
"phonoautograph",
"phonograph",
"retrotechtactular",
"sound recording"
] | You probably learned in school that Thomas Edison was the first human voice recorded, reciting Mary Had a Little Lamb. As it turns out though, that’s not strictly true. Edison might have been the first person to play his voice back, but he wasn’t the first to deliberately record. That honor goes to a French inventor na... | 35 | 7 | [
{
"comment_id": "4471323",
"author": "Ostracus",
"timestamp": "2018-04-09T23:18:01",
"content": "The paleophone fits in there somewhere.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4471329",
"author": "Tore Lund",
"timestamp": "2018-04-09T23:21:47",... | 1,760,374,413.775531 | ||
https://hackaday.com/2018/04/09/3d-printer-gets-hot-swappable-hot-ends/ | 3D-Printer Gets Hot-Swappable Hot-Ends | Ben James | [
"3d Printer hacks"
] | [
"3d printer",
"extruder",
"hotend",
"laser",
"magnet",
"printhead"
] | 3D printers can be hacked into a multitude of useful machines, simply by replacing the filament extruder with a new attachment such as a laser engraver or plotter.
However, [geggo] was fed up with re-wiring and mounting the printhead/tool every time he wanted to try something new, and set out to design a modular printh... | 26 | 12 | [
{
"comment_id": "4471131",
"author": "Charge Pump",
"timestamp": "2018-04-09T20:43:17",
"content": "Is that really just a pure magnet mount? Or is it snapping in too? I just can’t see a magnet of any reasonable size being enough to hold a hotend as it is pulling filament or to drag a pen when it is ... | 1,760,374,413.706147 | ||
https://hackaday.com/2018/04/09/a-victrola-for-the-21st-century/ | A Victrola For The 21st Century | Jenny List | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Hackaday Prize",
"record player",
"victrola"
] | We’ve lost something tangible in our listening to music, as we made the move from physical media through MP3 players to streaming services on our mobile devices. A 12″ vinyl disc may be slightly cumbersome, but there is an undeniable experience to pulling it from the sleeve and placing it on the turntable. Would you li... | 12 | 6 | [
{
"comment_id": "4471074",
"author": "Ostracus",
"timestamp": "2018-04-09T20:03:27",
"content": "“We’ve lost something tangible in our listening to music, as we made the move from physical media through MP3 players to streaming services on our mobile devices. A 12″ vinyl disc may be slightly cumbers... | 1,760,374,413.821111 | ||
https://hackaday.com/2018/04/09/ask-hackaday-whats-in-your-digital-bugout-bag/ | Ask Hackaday: What’s In Your Digital Bugout Bag? | Dan Maloney | [
"Ask Hackaday",
"Hackaday Columns",
"Interest"
] | [
"Ask Hackaday",
"backup",
"bugout",
"data",
"disaster",
"online",
"recovery",
"sd",
"usb"
] | Your eyes pop open in the middle of the night, darting around the darkened bedroom as you wonder why you woke up. Had you heard something? Or was that a dream? The matter is settled with loud pounding on the front door. Heart racing as you see blue and red lights playing through the window, you open the door to see a g... | 119 | 37 | [
{
"comment_id": "4470850",
"author": "Ren",
"timestamp": "2018-04-09T17:12:30",
"content": "Batteries, Solar cells, various USB cables, DVM (in a metal box to hopefully thwart EMP), wire cutter/stripper/crimperFlint and iron.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,414.479935 | ||
https://hackaday.com/2018/04/09/dublin-knows-how-to-bring-a-hack/ | Dublin Knows How To Bring-a-Hack | Mike Szczys | [
"cons",
"Hackaday Columns",
"Hackerspaces"
] | [
"Bring A Hack",
"dublin",
"ireland",
"meetup",
"tog hackerspace"
] | When on the road, we love to stop by a local hackerspace and connect with the hacker community. On Friday,
TOG Hackerspace
in Dublin, Ireland opened their doors to host a Bring-a-Hack with Hackaday and Tindie.
The city center of Dublin is anything but a grid. The cobblestone roads meander every which way and are a puzz... | 11 | 5 | [
{
"comment_id": "4470794",
"author": "Alex Jaeger",
"timestamp": "2018-04-09T16:11:31",
"content": "Sincere thanks to you and your team in organizing an unconference in Dublin this year. Between the people, props and presentations it was easily the best tech related event I’ve ever attended here. I ... | 1,760,374,414.307179 | ||
https://hackaday.com/2018/04/09/a-look-at-the-uks-new-space-garbage-truck/ | Space Garbage Truck Takes Out The Trash | Tom Nardi | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"cubesat",
"Falcon 9",
"RemoveDEBRIS",
"space",
"space junk",
"SpaceX"
] | On April 2nd, 2018 a Falcon 9 rocketed skywards towards the International Space Station. The launch itself went off without a hitch, and the Dragon spacecraft delivered its payload of supplies and spare parts. But alongside the usual deliveries, CRS-14 brought a particularly interesting experiment to the International ... | 107 | 16 | [
{
"comment_id": "4470683",
"author": "Mike Shawaluk",
"timestamp": "2018-04-09T14:16:55",
"content": "Does anyone remember the 1978 TV show “Quark”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4470695",
"author": "Steven",
"timestamp": "20... | 1,760,374,414.234282 | ||
https://hackaday.com/2018/04/09/diy-designer-wallet-from-designer-bag/ | DIY Designer Wallet From Designer Bag | Kristina Panos | [
"Misc Hacks"
] | [
"leather",
"leather crafting",
"louis vuitton",
"reuse",
"wallet"
] | Why do people drop hundreds of dollars on designer goods? The easy answer is that, in theory, the goods are worth the expense. The materials, craftsmanship, and attention to detail are all top-notch and culminate in the finest finery money can buy.
So, would you spend hundreds of dollars on a designer wallet? If you ha... | 13 | 6 | [
{
"comment_id": "4470649",
"author": "Ren",
"timestamp": "2018-04-09T13:27:21",
"content": "Yes, it needs an Arduino!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4470669",
"author": "k-ww",
"timestamp": "2018-04-09T14:05:44",
"c... | 1,760,374,413.572938 | ||
https://hackaday.com/2018/04/09/an-ssb-transceiver-using-only-one-device-surely-not/ | An SSB Transceiver On Only One Type Of Transistor | Jenny List | [
"Radio Hacks"
] | [
"amateur radio",
"radio",
"ssb",
"transceiver"
] | There are a multiplicity of transmission modes both new and old at the disposal of a radio amateur, but the leader of the pack is still single-sideband or SSB. An SSB transmitter emits the barest minimum of RF spectrum required to reconstitute an audio signal, only half of the mixer product between the audio and the RF... | 31 | 10 | [
{
"comment_id": "4470424",
"author": "Jeffo",
"timestamp": "2018-04-09T08:48:21",
"content": "Is that an actual PCB? I thought those were against the homebrew code of conduct.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4470984",
"author": "TGT",
... | 1,760,374,413.643561 | ||
https://hackaday.com/2018/04/08/tiny-neural-network-library-in-200-lines-of-code/ | Tiny Neural Network Library In 200 Lines Of Code | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"neural network"
] | Neural networks have gone mainstream with a lot of heavy-duty — and heavy-weight — tools and libraries. What if you want to fit a network into a little computer? There’s
tinn — the tiny neural network
. If you can compile 200 lines of standard C code with a C or C++ compiler, you are in business. There are no dependenc... | 20 | 11 | [
{
"comment_id": "4470224",
"author": "Ostracus",
"timestamp": "2018-04-09T05:17:58",
"content": "“Neural networks have gone mainstream with a lot of heavy-duty — and heavy-weight — tools and libraries. ”And of course hardware like Xilinx , Google, and others are producing.",
"parent_id": null,
... | 1,760,374,414.535626 | ||
https://hackaday.com/2018/04/08/orbital-mechanics-on-a-vintage-kaypro/ | Orbital Mechanics On A Vintage Kaypro | Dan Maloney | [
"classic hacks"
] | [
"CP/M",
"kerbal",
"Keypro",
"orbital mechanics",
"porting",
"turbo pascal",
"vintage"
] | These days, a good proxy for hacking prowess is getting
Doom
playable on the oldest piece of hardware imaginable. While we respect and applaud these efforts, perhaps the bar should be set a bit higher. Like
orbital mechanics on an early 80s Kaypro
, perhaps?
At least that’s the hurdle [Chris Fenton] set for himself as ... | 18 | 7 | [
{
"comment_id": "4469973",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-04-09T02:25:39",
"content": "Let us not forget the one coming up in May…….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4469976",
"author": "TGT",
"timestamp": "2018-04-09T02... | 1,760,374,415.030497 | ||
https://hackaday.com/2018/04/08/hackaday-links-april-8-2018/ | Hackaday Links: April 8, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"badgelife",
"hacker news",
"HiFive",
"IMSI",
"RISC-V",
"sao",
"SiFive",
"Simple Add-On",
"stingray"
] | SiFive raised $50 Million in funding
. SiFive is a semiconductor working on two fronts: they want to democratize silicon prototyping, and they’re the people making the HiFive series of microcontrollers and SoCs. The HiFives are built on the RISC-V instruction set, a Big-O Open instruction set for everything from tiny m... | 7 | 5 | [
{
"comment_id": "4469710",
"author": "Ostracus",
"timestamp": "2018-04-08T23:18:13",
"content": "“I posit the rise of news aggregators (facebook, twitter, digg, reddit, and HN), is the driving force behind ‘fake news’ as lay people become the gatekeepers. Prove me wrong.”RSS is still a thing.“Second... | 1,760,374,414.828087 | ||
https://hackaday.com/2018/04/08/floor-mopping-robot-takes-cleanliness-to-the-next-level/ | Floor Mopping Robot Takes Cleanliness To The Next Level | Bryan Cockfield | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"floor",
"mop",
"robot"
] | While it’s nice to have a robot vacuum your floors for you, a vacuum can only clean your house so much. For a really deep clean, you’ll also need to run a mop over the hard floor surfaces. [Josh] took this to its logical conclusion and built
a robot that can really scour his floors
for his entry into this year’s Hackad... | 10 | 6 | [
{
"comment_id": "4469452",
"author": "msat",
"timestamp": "2018-04-08T20:31:51",
"content": "something something bristlebots",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4469485",
"author": "psmay",
"timestamp": "2018-04-08T20:51:30",
"content": ... | 1,760,374,414.91538 | ||
https://hackaday.com/2018/04/08/new-app-note-day-internet-of-pillows/ | New App Note Day: Internet Of Pillows | Brian Benchoff | [
"Microcontrollers"
] | [
"GreenPAC",
"internet of things",
"pillow"
] | The Internet of Things is a cancer that consumes all reasonable expectations of technology, opens vast security holes we’ve never had to deal with before, and complicates life in the pursuit of quarterly gains from whatever technology startup is hot right now. We are getting some interesting tech out of it, though. The... | 25 | 11 | [
{
"comment_id": "4469090",
"author": "r4m0n",
"timestamp": "2018-04-08T17:12:00",
"content": "Come on Brian, while I was having fun with you poking IoT stuff, the IoT angle on this came out of thin air.As you state yourself, this has no connectivity, and the only citation to IoT is in the past exper... | 1,760,374,414.976306 | ||
https://hackaday.com/2018/04/07/applications-open-ada-lovelace-fellowships-for-2018-open-hardware-summit/ | Applications Open: Ada Lovelace Fellowships For 2018 Open Hardware Summit | Christopher Wang | [
"News"
] | [
"Ada Lovelace Fellowship",
"diversity",
"Open Hardware Summit",
"open source hardware",
"OSHWA"
] | The Open Source Hardware Association is
now accepting applications for the Ada Lovelace fellowship
which provides free admission to the Open Hardware Summit and a $500 travel stipend. One of OSHWA’s goals is to foster a more diverse community within open source. As part of this, Ada Lovelace Fellowships are open to wom... | 2 | 1 | [
{
"comment_id": "4470078",
"author": "Linnéa Noble",
"timestamp": "2018-04-09T03:46:43",
"content": "It makes me happy to see that y’all care about and support us minorities. Please don’t let hateful people like jawnhenry discourage you from doing more in the future. Things like this mean a lot to u... | 1,760,374,414.865376 | ||
https://hackaday.com/2018/04/07/these-gorgeous-robot-parts-are-hand-made/ | These Gorgeous Robot Parts Are Hand-Made | Donald Papp | [
"Robots Hacks"
] | [
"drilling",
"epoxy",
"hand cutting",
"hips",
"johnny five",
"layers",
"polystyrene",
"prototyping",
"robot"
] | [Dickel]’s robot
MDi #4
has been in progress for several years
, but what we wanted to draw your attention to is the way the parts have been fabricated and what kind of remarkable results are possible with careful design, measurement, cutting, and finishing. Much of
MDi #4
was made by hand-cutting and drilling sheets o... | 12 | 5 | [
{
"comment_id": "4466315",
"author": "mrehorst",
"timestamp": "2018-04-07T14:26:35",
"content": "Wow! Great work! It’s nice to see there are other ways to make things besides 3D printers.One suggestion: get yourself a Japanese pull saw or even one of these:https://www.amazon.com/Shark-Corp-10-23... | 1,760,374,415.254047 | ||
https://hackaday.com/2018/04/07/retrofit-temperature-control-to-a-soldering-station/ | Retrofit Temperature Control To A Soldering Station | Jenny List | [
"Tool Hacks"
] | [
"soldering iron",
"temperature controlled soldering iron",
"usb soldering iron"
] | We’ve probably all seen USB soldering irons advertised for very little money, and concluded that they might not necessarily be the most useful of tools. The cheapest of these lack any real temperature regulation. Enter [Paulo Bruckmann], who has attached a thermistor to his iron with Kapton tape, added an Arduino Uno c... | 1 | 1 | [
{
"comment_id": "4466506",
"author": "PirateLabs",
"timestamp": "2018-04-07T16:12:34",
"content": "That is a very nice job and a great use of low cost components to make something very useful and functional. Excellent.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,415.75757 | ||
https://hackaday.com/2018/04/07/reviving-an-electron-microscope-with-arduino/ | Reviving An Electron Microscope With Arduino | Tom Nardi | [
"classic hacks",
"Microcontrollers",
"Repair Hacks"
] | [
"2516",
"25L32",
"arduino",
"arduino mega",
"electron microscope",
"rom"
] | We don’t know about you, but when our friends ask us if we want to help them fix something, they’re usually talking about their computer, phone, or car. So far it’s never been about helping them rebuild an old electron microscope. But that’s exactly the request [Benjamin Blundell] got when a friend from a local hackers... | 20 | 9 | [
{
"comment_id": "4465737",
"author": "Hampus Lennholm",
"timestamp": "2018-04-07T09:31:41",
"content": "The contents of the ROM’s on the analog PCB’s are probably lookup tables with settings for ex. magnification, fine focus, medium focus etc etc. I have a Stereoscan 260 (also under reconstruction) ... | 1,760,374,415.088395 | ||
https://hackaday.com/2018/04/06/circuit-sword-delivers-retro-justice/ | Circuit-Sword Delivers Retro Justice | Kerry Scharfglass | [
"Games",
"handhelds hacks",
"Raspberry Pi"
] | [
"Compute Module 3",
"gameboy",
"gameboy mod",
"gaming",
"portable raspberry pi",
"Raspberry Pi 3",
"retro gaming"
] | You can’t search for “retro gaming” without hitting a plethora of single board computers attached to all manner of controls, batteries, etc. Often these projects have an emphasis on functionality above all else but [Kite]’s
Circuit-Sword
is different. The Circuit-Sword is the heart of a RaspberryPi-based retro gaming
m... | 13 | 7 | [
{
"comment_id": "4465133",
"author": "Speednut Dave / SparkySid",
"timestamp": "2018-04-07T05:29:18",
"content": "Here’s some retro crack kids, errr… adults who fondly remember old games; first hit is free!Seriously though, big props to the sudomod community for the extensive documentation and suppo... | 1,760,374,415.309914 | ||
https://hackaday.com/2018/04/06/state-your-intentions-more-clearly-with-state-machines/ | State Your Intentions More Clearly With State Machines | Christian Trapp | [
"Software Development"
] | [
"programming",
"state machine"
] | To the uninitiated the words ‘State machine’ sound like something scarily big and complex. They aren’t (necessarily) and can be quite useful. In fact, state machines are no physical machines but a model of processes. They link the states a system can be in with allowed transitions. For example a media player when stopp... | 18 | 10 | [
{
"comment_id": "4464758",
"author": "Ostracus",
"timestamp": "2018-04-07T02:22:20",
"content": "“To the uninitiated the words ‘State machine’ sound like something scarily big and complex. ”Only if they have a political affiliation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,374,415.36039 | ||
https://hackaday.com/2018/04/06/can-you-3d-print-an-axe/ | Can You 3D Print An Axe? | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"3d printing",
"metal",
"mig",
"weld",
"welder"
] | 3D printers hit the scene in a big way in the last decade, and thanks to the constant improvements that we’ve seen since then you can now get a decent one, assembled or as a kit, for a reasonable price. The one major drawback is that almost all of these printers are limited to printing in plastic, which has its obvious... | 35 | 13 | [
{
"comment_id": "4464378",
"author": "TL",
"timestamp": "2018-04-06T23:10:17",
"content": "For jobs that don’t require precisely machined parts, something like this would have tons of uses for homesteaders and farmers for repairscand modifications to existing equipment.",
"parent_id": null,
... | 1,760,374,415.718745 | ||
https://hackaday.com/2018/04/08/cracking-a-bluetooth-credit-card/ | Cracking A Bluetooth Credit Card | Tom Nardi | [
"Security Hacks",
"Wearable Hacks"
] | [
"ble",
"bluetooth",
"reverse engineer",
"security"
] | You might be surprised to find out that it’s actually not a good idea to put all of your credit card information on a little Bluetooth enabled device in your pocket. Oh, what’s that? You knew already? Well in that case you won’t find the following information terribly shocking, but it’s still a fascinating look at how ... | 44 | 11 | [
{
"comment_id": "4468852",
"author": "Fred",
"timestamp": "2018-04-08T14:33:48",
"content": "Some things that don’t need wireless connectivity:Credit cardsPassportsCondoms",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4468860",
"author": "Piotrsko",... | 1,760,374,415.604698 | ||
https://hackaday.com/2018/04/08/function-generator-gets-diy-frequency-standard/ | Function Generator Gets DIY Frequency Standard | Tom Nardi | [
"hardware",
"Peripherals Hacks"
] | [
"Frequency Standard",
"function generator",
"ocxo",
"Siglent SDG 1025",
"test equipment"
] | For those of us who like to wrangle electrons from time to time, there are some exceptional deals out there for low (or at least
lower
) cost imported test equipment. If you’re willing to part with a few hundred dollars US, you can get some serious hardware that a decade ago would have been effectively outside the reac... | 5 | 4 | [
{
"comment_id": "4468764",
"author": "Quinn Dunki",
"timestamp": "2018-04-08T13:27:36",
"content": "If you’d like to know more about Paul and his early work on the Apple II, check out this interview:http://www.open-apple.net/index.php?s=Paul+lutus+",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,415.518785 | ||
https://hackaday.com/2018/04/08/diy-cnc-sandblaster-writes-large/ | DIY CNC Sandblaster Writes Large | Jenny List | [
"Tool Hacks"
] | [
"cnc",
"cnc sandblaster",
"sadnblaster"
] | CNC machinery, once a piece of workshop exotica, has become such a staple of projects within our sphere as to have become relatively unremarkable. A decent 3D printer can be had without mortgaging a small country, and the honor roll of CNC router builders is long and distinguished. But there is still plenty to surprise... | 12 | 6 | [
{
"comment_id": "4468262",
"author": "jafinch78",
"timestamp": "2018-04-08T08:38:34",
"content": "Awesome, I haven’t thought before about integrating a sand blaster into a CNC system (I think more tool/plasma/laser/water jet cutting or 3D printing ops). With some flow control fine tuning to refine ... | 1,760,374,415.652457 | ||
https://hackaday.com/2018/04/07/art-deco-radio-gets-fm-reception/ | Art Deco Radio Gets FM Reception | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks",
"Musical Hacks"
] | [
"3d printed",
"arduino",
"fm radio",
"Nokia 5110 LCD",
"TEA5767"
] | Taking a vintage radio and cramming it full of modern, Internet-connected, guts has long been a staple of the hacking and making scene. While some might see it as a crime to take what’s arguably a legitimate piece of history and turn it into nothing more than a slipshod case for the Raspberry Pi, we have to admit there... | 12 | 6 | [
{
"comment_id": "4468137",
"author": "Jan",
"timestamp": "2018-04-08T08:00:44",
"content": "fun concept, but when I first saw the hackaday image of the radio case. I thought “wow! That’s a nice case, cool design… and in wood, nice job” but I can’t see the case in the article. It looks to me that a 3... | 1,760,374,415.806952 | ||
https://hackaday.com/2018/04/07/you-can-build-anything-out-of-what-is-holding-your-97-eagle-talon-together/ | You Can Build Anything Out Of What Is Holding Your 97 Eagle Talon Together | Brian Benchoff | [
"Misc Hacks"
] | [
"body filler",
"bondo",
"casting",
"Polyester body filler"
] | We all know it, we all love it, and the guy parked outside of the 7-11 covered his car in it. What is it? Polyester body filler, better known by the almost generic trademark, Bondo. There’s a lot more you can do with Bondo than fairing in that sweet body kit, bro, and [Eric Strebel]
is here to show you how far you can ... | 29 | 12 | [
{
"comment_id": "4467651",
"author": "TGT",
"timestamp": "2018-04-08T03:05:06",
"content": "The technique of using enormous amounts of lead to fill in dents is where the term “lead sled” comes from. Those old hulks weighed so much, it’s outrageous.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,416.778685 | ||
https://hackaday.com/2018/04/07/using-moire-patterns-to-guide-ships/ | Using Moiré Patterns To Guide Ships | Steven Dufresne | [
"Misc Hacks",
"Slider"
] | [
"marine",
"moire",
"moire pattern",
"moire patterns",
"navigation"
] | Moiré screens for arrows
[Tom Scott] ran across an interesting visual effect
created with Moiré patterns and used for guiding ships
but we’re sure it can be adapted for hacks somewhere. Without the aid of any motors or LED animation, the image changes as the user views it from different angles. When viewed straight on,... | 27 | 13 | [
{
"comment_id": "4467262",
"author": "Ostracus",
"timestamp": "2018-04-07T23:27:31",
"content": "What about projecting moiré patterns onto a surface?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4467388",
"author": "TGT",
"timestamp": "2018... | 1,760,374,416.04982 | ||
https://hackaday.com/2018/04/07/the-better-retropie-handheld/ | The Better RetroPie Handheld | Brian Benchoff | [
"Raspberry Pi",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"compute module",
"raspberry pi",
"Raspberry Pi Compute Module",
"RetroPi"
] | The Raspberry Pi has become the best video game console on the planet. With RetroPi, anyone can play Super Mario 3, Doctor Mario, and even Doki Doki Panic.
Adafruit’s PiGRRL Zero
and
[Wermy]’s reconfabulation
of an old brick Game Boy to house a Raspi Zero and display have made the Raspberry Pi portable, along with all ... | 15 | 9 | [
{
"comment_id": "4466980",
"author": "davedarko",
"timestamp": "2018-04-07T20:40:48",
"content": "don’t want to be that guy, but I want to point out the existance of the circuit swordhttps://hackaday.com/2018/04/06/circuit-sword-delivers-retro-justice/",
"parent_id": null,
"depth": 1,
"r... | 1,760,374,415.870742 | ||
https://hackaday.com/2018/04/06/chiptunes-on-a-solar-panel/ | Chiptunes On A Solar Panel | Bryan Cockfield | [
"Musical Hacks"
] | [
"8 bit",
"chiptune",
"communication",
"laser",
"led",
"light",
"long distance",
"music",
"solar panel",
"sound"
] | With its vintage sound, there’s no mistaking the unique 8-bit sound of video games from the 80s and 90s. It became so popular that eventually sparked its own genre of music known as “chiptune” for which musicians are still composing today. The music has some other qualities though, namely that it’s relatively simple fr... | 16 | 5 | [
{
"comment_id": "4463953",
"author": "Justin",
"timestamp": "2018-04-06T20:09:44",
"content": "Good project that I did as a kid. Instead of a chiptunes as a source it was a cassette player with the headphone spliced into a flashlight.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,374,415.979153 | ||
https://hackaday.com/2018/04/06/because-building-a-relay-computer-isnt-hard-enough/ | Because Building A Relay Computer Isn’t Hard Enough | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"brainfuck",
"relay",
"relay computer"
] | For this year’s Hackaday Prize, we’re doing something special. We’re introducing achievements for Prize projects. Think of them as merit badges. If your Hackaday Prize project has multiple parts that come together into one unified, awesome whole, you get the Voltron achievement. If you’ve built a musical instrument tha... | 28 | 11 | [
{
"comment_id": "4463746",
"author": "Tomo",
"timestamp": "2018-04-06T18:40:54",
"content": "If this can be built, then I can finish my $4 bradboard computer. (Which cost me maybe £20) — Inspiring!Outstanding!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "446... | 1,760,374,416.122454 | ||
https://hackaday.com/2018/04/06/wont-somebody-please-think-of-the-transistors/ | Won’t Somebody, Please, Think Of The Transistors! | Jenny List | [
"Hackaday Columns",
"Interest",
"Rants"
] | [
"diodes",
"discrete components",
"learning",
"transistor circuits",
"transistors"
] | At what age did you begin learning about electronics? What was the state of the art available to you at the time and what kinds of things were you building? For each reader these answers can be wildly different. Our technology advances so quickly that each successive generation has a profoundly different learning exper... | 146 | 47 | [
{
"comment_id": "4463515",
"author": "Olsen",
"timestamp": "2018-04-06T17:05:56",
"content": "Wow.I feel guilty.Time to dust off the old 200 in 1!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4463637",
"author": "crazywriterof6",
"timestamp... | 1,760,374,416.549769 | ||
https://hackaday.com/2018/04/06/handheld-arduino-light-painter/ | Handheld Arduino Light Painter | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks",
"LED Hacks"
] | [
"3d printed",
"Arduino Uno",
"led",
"light painting",
"ws2812"
] | Light painting is a technique which allows you to “draw” on a photograph by moving a light past the camera during a long exposure shot. While it can be difficult to master, light painting allows for some incredible effects such as text and images that appear to be hovering in mid-air. Think of it like a very slow but m... | 2 | 2 | [
{
"comment_id": "4463559",
"author": "2ftg",
"timestamp": "2018-04-06T17:22:49",
"content": "I like a lot how all the wires are properly soldered and heatshrinked.You too rarely see that in “maker” builds with arduino boards.So kudos to the builder. Nice clean build.",
"parent_id": null,
"de... | 1,760,374,416.645227 | ||
https://hackaday.com/2018/04/06/circuit-vr-the-dickson-charge-pump/ | Circuit VR: The Dickson Charge Pump | Al Williams | [
"Hackaday Columns",
"Skills"
] | [
"LTSpice",
"simulation",
"SPICE",
"voltage multiplier"
] | There was a time when taking a low DC voltage — say a single battery — and converting it to a higher voltage was painful. Now, however, cheap and easy-to-use DC to DC converters are readily available. For some small tasks, though, these can seem like overkill. For example, consider a case where you need to supply a hig... | 23 | 13 | [
{
"comment_id": "4463133",
"author": "jawnhenry",
"timestamp": "2018-04-06T14:27:26",
"content": "Outstanding article! Very well written and presented.Extremely pertinent and usable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4463199",
"author": "Kevin... | 1,760,374,416.963808 | ||
https://hackaday.com/2018/04/06/monitor-foot-traffic-using-radio/ | Monitor Foot Traffic Using Radio | Bryan Cockfield | [
"Wireless Hacks"
] | [
"bluetooth",
"ESP32",
"estimate",
"listening",
"radio",
"security",
"traffic",
"wifi"
] | We talk a lot about information security around here, but in reality it’s not at the forefront of everyone’s minds. Most people are content to walk around with their phones constantly looking for WiFi or Bluetooth connections despite the dangers. But if you’re not a black hat sort of person, you can do something like [... | 15 | 8 | [
{
"comment_id": "4462690",
"author": "Dan",
"timestamp": "2018-04-06T11:13:35",
"content": "So…it’s just a WiFi/Bluetooth scanner, then?I guess it’s neat that he made it into a little portable device, but seems like if you just wanted some numbers on what’s floating around you could install a scanni... | 1,760,374,416.605428 | ||
https://hackaday.com/2018/04/06/firefox-reality-a-browser-for-vr-devices/ | Firefox Reality, A Browser For VR Devices | Jenny List | [
"internet hacks",
"News"
] | [
"firefox",
"mozilla",
"virtual reality",
"vr",
"web browser"
] | The browser you are reading this page in will be an exceptionally powerful piece of software, with features and APIs undreamed of by the developers of its early-1990s ancestors such as NCSA Mosaic. For all that though, it will very probably be visually a descendant of those early browsers, a window for displaying two-d... | 31 | 10 | [
{
"comment_id": "4462388",
"author": "Xeon",
"timestamp": "2018-04-06T08:43:52",
"content": "did this 4 months ago with a few junk bin parts…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4462428",
"author": "scep",
"timestamp": "2018-04-06T... | 1,760,374,416.712477 | ||
https://hackaday.com/2018/04/05/a-true-3d-printed-weather-station/ | A True 3D Printed Weather Station | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"3d printed",
"anemometer",
"Arduino Uno",
"openscad",
"weather station",
"wind vane"
] | If the term “3D printed weather station” makes you think of a printed enclosure for off-the-shelf sensors, don’t feel bad. We thought the same thing when we first read the message [Rob Ward] sent in about his latest project. Surely he couldn’t mean that he
actually
printed all the principal parts of a serious weather s... | 75 | 17 | [
{
"comment_id": "4461891",
"author": "jafinch78",
"timestamp": "2018-04-06T05:31:52",
"content": "Neat. Can even add a storm proximity kit that we don’t see common place with the lighting and thunder detectors.https://hackaday.com/2018/03/28/storm-detector-modules-dancing-in-the-rain/I forget what... | 1,760,374,416.892425 | ||
https://hackaday.com/2018/04/05/magic-8-ball-business-card-will-answer-all-your-questions/ | Magic 8 Ball Business Card Will Answer All Your Questions | Lewin Day | [
"classic hacks"
] | [
"8-ball",
"8-bll",
"business card",
"Magic 8-ball",
"magic eight ball",
"pcb",
"pcb business card"
] | The PCB business card has long been a staple amongst the freelance EE set. It’s a way to show potential clients that you can do the job, as well as leave a great first impression. Some are simple blinkenlights devices, others have contact information on USB storage.
We reckon that [Seamus] has really hit it out of the ... | 14 | 8 | [
{
"comment_id": "4461514",
"author": "Simon",
"timestamp": "2018-04-06T02:46:34",
"content": "Wow, it really is magic. The LED lights up without any parts being fitted to the board.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4461538",
"author": "... | 1,760,374,417.012863 | ||
https://hackaday.com/2018/04/05/soda-can-lamp-pinpoints-your-interests/ | Soda Can Lamp Pinpoints Your Interests | Kristina Panos | [
"3d Printer hacks",
"green hacks",
"how-to"
] | [
"candle",
"led strip",
"pixel art",
"reuse",
"soda can"
] | We’ve said it a million times before: 3D printing will expand your horizons. The more you print, the more you think about things you could print and new ways to use printing in the process of building projects. [AHNT] knows all about this phenomenon, because
he thought of a way to use soda cans as canvases for customiz... | 21 | 8 | [
{
"comment_id": "4461036",
"author": "Daren Schwenke",
"timestamp": "2018-04-05T23:21:13",
"content": "Did this with AL foil and a 3D printed star map. One gutted 200 lumen flashlight later, projected star map.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,374,417.072306 | ||
https://hackaday.com/2018/04/05/kniwwelino-is-an-esp8266-microbit/ | Kniwwelino Is An ESP8266 Micro:Bit | Elliot Williams | [
"Microcontrollers"
] | [
"blockly",
"educational",
"ESP8266",
"learning",
"Micro:bit",
"school"
] | Kniwwelino
is the latest in a line of
micro:bit
-inspired projects that we’ve seen, but this one comes with a twist: it uses an ESP8266 and WiFi at the core instead of the nR51 ARM/BTLE chip. That means that students can connect via laptop, cellphone, or anything else that can get onto a network.
That’s not the only tr... | 12 | 7 | [
{
"comment_id": "4460795",
"author": "Vinalon",
"timestamp": "2018-04-05T20:33:16",
"content": "Cool to see Blockly making its way into cheap MCU boards. It seems like there’s a ton of promise for education there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,374,417.126384 | ||
https://hackaday.com/2018/04/05/lawn-dog-faithfully-cuts-the-grass/ | Lawn Dog Faithfully Cuts The Grass | Kristina Panos | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"lawn mower",
"mobility chair",
"robot lawnmower",
"sabertooth"
] | As a kid, [Josh] always dreamed of building robots to do his boring, dangerous chores like mowing and weed-eating the lawn. Now that he’s built
Lawn Dog, an all-terrain robotic lawn mower
, he can kick back and mentally high-five his younger self.
Lawn Dog is the result of hitching the business end of a Jazzy electric ... | 40 | 14 | [
{
"comment_id": "4460683",
"author": "Michael Barton-Sweeney",
"timestamp": "2018-04-05T18:54:39",
"content": "Ha ha! That is awesome. Now he just needs to strap a Roomba on top!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4460933",
"author": "Dav... | 1,760,374,417.2318 | ||
https://hackaday.com/2018/04/05/mechanisms-couplings/ | Mechanisms: Couplings | Dan Maloney | [
"Engineering",
"Hackaday Columns"
] | [
"beam",
"Cardan",
"couplings",
"CV",
"helical",
"Hooke",
"joint",
"Mechanisms",
"Rzeppa",
"sleeve",
"Universal"
] | I was splitting wood one day a few years back, getting next winter’s firewood ready on my hydraulic splitter. It normally handled my ash and oak with ease, but I had a particularly gnarly piece of birch queued up, and the splitter was struggling. The 20-ton cylinder slowed as the wedge jammed in the twisted grain, the ... | 37 | 13 | [
{
"comment_id": "4460548",
"author": "Ren",
"timestamp": "2018-04-05T17:27:11",
"content": "Were you the one with the chainsaw/kevlar incident written up a while back?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4460640",
"author": "PirateLabs",
... | 1,760,374,418.389243 | ||
https://hackaday.com/2018/04/05/persistence-of-phosphorescence-clock-displays-youtube-stats-too/ | Persistence Of Phosphorescence Clock Displays YouTube Stats Too | Dan Maloney | [
"clock hacks"
] | [
"clock",
"display",
"dot matrix",
"ESP8266",
"glow in the dark",
"ntp",
"phosphor",
"phosphorescence",
"uv",
"UV LED",
"youtube"
] | Looking for an eye-catching and unique way to display the time and date? Want the flexibility to add other critical information, like the number of YouTube subs you’ve got? Care to be able to read it from half a block away, at least at night? Then
this scrolling glow-in-the-dark dot-matrix display
could be right up you... | 21 | 7 | [
{
"comment_id": "4460371",
"author": "Ostracus",
"timestamp": "2018-04-05T15:38:57",
"content": "Contrast on that picture. Old tech at the bottom, new at the top.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4460554",
"author": "Hirudinea",
... | 1,760,374,417.68841 | ||
https://hackaday.com/2018/04/05/lazy-hacker-checks-fuel-system-for-leaks-the-easy-way/ | Lazy Hacker Checks Fuel System For Leaks, The Easy Way | Lewin Day | [
"car hacks",
"Featured"
] | [
"fuel",
"fuel leak",
"fuel test",
"volvo"
] | Old cars are great. They represent a different time, reflecting the state of society at the point of their design and manufacture, and can charm and delight while also providing useful transport. Except, well… old cars are great, except when they’re not.
With my Volvo 740 hitting its thirtieth birthday and cresting ove... | 107 | 27 | [
{
"comment_id": "4460197",
"author": "Ruhan",
"timestamp": "2018-04-05T14:04:59",
"content": "Did you find the leak?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4460463",
"author": "reboots",
"timestamp": "2018-04-05T16:37:24",
"co... | 1,760,374,418.266211 | ||
https://hackaday.com/2018/04/05/upgrade-your-mac-with-a-touchscreen-for-only-a-dollar/ | Upgrade Your Mac With A Touchscreen, For Only A Dollar | Jenny List | [
"computer hacks",
"Slider"
] | [
"apple",
"mac",
"macbook",
"touchscreen"
] | Imagine how hard it could be to add a touch screen to a Mac laptop. You’re thinking expensive and difficult, right? How could [Anish] and his friends
possibly
manage to
upgrade their Mac with a touchscreen for only a dollar
? That just doesn’t seem
possible
.
The trick, of course, is software. By mounting a small mirro... | 77 | 20 | [
{
"comment_id": "4459937",
"author": "KukSa Man",
"timestamp": "2018-04-05T11:32:38",
"content": "i’d buy that for a dollar",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4460517",
"author": "asheets",
"timestamp": "2018-04-05T17:11:24",
... | 1,760,374,417.999281 | ||
https://hackaday.com/2018/04/05/workbench-light-arch-on-the-cheap/ | Workbench Light Arch On The Cheap | Tom Nardi | [
"LED Hacks"
] | [
"3d printed",
"led strip",
"light arch"
] | A light arch is exactly what it sounds like: an arch fitted with LED strips that can evenly illuminate the area below. They are becoming very popular in the miniature and model making communities as they put a lot of light where you need it without the shadows that you can get with purely overhead lighting. Those same ... | 10 | 6 | [
{
"comment_id": "4459602",
"author": "Mike Massen",
"timestamp": "2018-04-05T08:27:52",
"content": "Nice one, thanks”Hadn’t thought of this, good idea to use those extras too, well done :-)Due to the way I work going from electronic items the size of amicrowave to tiny boards just getting to 0201 de... | 1,760,374,417.630165 | ||
https://hackaday.com/2018/04/04/3d-print-a-thinner-car-key/ | 3D Print A Thinner Car Key | Lewin Day | [
"classic hacks"
] | [
"3d printer",
"3d printing",
"keyfob"
] | Almost all modern cars come with keyless entry, some even come with keyless start. Of course, the price you pay for this technology is a bulky plastic keyfob that is an absolute pain to remove from your pockets, and generally spoils the lines of your carefully chosen outfit.
[Jeremy] decided enough was enough.
The proj... | 30 | 12 | [
{
"comment_id": "4459416",
"author": "richfiles",
"timestamp": "2018-04-05T06:32:17",
"content": "Man…I’m with Jeremy… When I drive my buddy’s 2015 Impala, after the has… Imbibed… My first thought is invariably “And he used to make fun of ME for carrying a bulky TI-85 everywhere”",
"parent_id": ... | 1,760,374,417.75306 | ||
https://hackaday.com/2018/04/04/coaxing-water-from-desert-air/ | Coaxing Water From Desert Air | James Hobson | [
"Uncategorized"
] | [
"arid",
"Arrakis",
"condensation",
"desert",
"mit",
"moisture",
"Tatooine",
"water"
] | From the windtraps and stillsuits of Dune’s Arrakis, to the moisture vaporators of Tatooine, science fiction has invented fantastic ways to collect the water necessary for life on desert worlds. On Earth we generally have an easier go of it, but water supply in arid climates is still an important issue. Addressing this... | 75 | 8 | [
{
"comment_id": "4459004",
"author": "PirateLabs",
"timestamp": "2018-04-05T02:06:38",
"content": "Very interesting results and, I am sure they will improve as it develops. Now, if they can figure a way to get beer out of the air, then I believe they would really have something. All kidding aside,... | 1,760,374,418.116715 | ||
https://hackaday.com/2018/04/04/lego-meets-nintendo-switch/ | LEGO Meets Nintendo Switch | Tom Nardi | [
"3d Printer hacks",
"Nintendo Hacks",
"Toy Hacks"
] | [
"3d printed",
"lego",
"Nintendo Switch"
] | As you probably know, the Nintendo Switch is the incredibly popular console of the moment. You of course also know that LEGO has been popular since the beginning of recorded history. So it was only a matter of time before somebody decided that these two titans of youthful entertainment needed to combine up like some ki... | 3 | 1 | [
{
"comment_id": "4459345",
"author": "Xeon",
"timestamp": "2018-04-05T05:43:16",
"content": "clever but not cheap",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4459826",
"author": "Dan",
"timestamp": "2018-04-05T10:14:17",
"content":... | 1,760,374,418.430168 | ||
https://hackaday.com/2018/04/04/its-a-spider-its-a-droideka-its-both/ | It’s A Spider! It’s A Droideka! It’s Both! | James Hobson | [
"drone hacks",
"Robots Hacks"
] | [
"Cartwheel",
"Droideka",
"Roll",
"spider",
"star wars",
"transformers",
"wheel"
] | Beware, arachnophobes, the robots are coming for you!
What else would you be expected to think if you watched a hexapod robot display its best Transformers impression by turning into a wheel and
pushing itself in your direction
? The BionicWheelBot — developed by [Festo] — should rightly remind you of the cartwheeling ... | 8 | 5 | [
{
"comment_id": "4458416",
"author": "Ren",
"timestamp": "2018-04-04T20:05:46",
"content": "“While not the first transforming robot — or rover, earthbound though some may be — we’ve seen, we certainly hope it isn’t the last!”Oh, I’m looking forward to a future of robotic spiders!B^)https://www.youtu... | 1,760,374,418.310461 | ||
https://hackaday.com/2018/04/04/the-amazing-hacks-of-world-create-day/ | The Amazing Hacks Of World Create Day | Brian Benchoff | [
"News",
"The Hackaday Prize"
] | [
"World Create Day"
] | For this year’s Hackaday Prize, we started an amazing experiment.
World Create Day
organized hundreds of hackerspaces around the world to come together and Build Hope for the future. This was an experiment to bring community shops and workspaces together to prototype their entries for the Hackaday Prize, and boy was it... | 5 | 3 | [
{
"comment_id": "4458277",
"author": "Ostracus",
"timestamp": "2018-04-04T18:38:26",
"content": "“In reality this is just a photosensor taped to their power meter, but they’ve hooked everything up to a Raspberry Pi, giving them the ability to monitor electricity consumption over the Internet. That’s... | 1,760,374,420.121947 | ||
https://hackaday.com/2018/04/04/the-basics-and-pitfalls-of-pointers-in-c/ | The Basics And Pitfalls Of Pointers In C | Sven Gregori | [
"Hackaday Columns",
"Original Art",
"Software Development"
] | [
"C language",
"c programming",
"c/c++",
"programming language",
"software development"
] | Pointers — you either love them, or you haven’t fully understood them yet. But before you storm off to the comment section now, pointers are indeed a polarizing subject and are both C’s biggest strength, and its major source of problems. With great power comes great responsibility. The internet and libraries are full o... | 105 | 24 | [
{
"comment_id": "4458158",
"author": "David",
"timestamp": "2018-04-04T17:35:33",
"content": "All those risks are reasons why you don’t use raw pointers in C++, except inside a class whose responsibility is to manage them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,374,420.647171 | ||
https://hackaday.com/2018/04/04/detoured-rf-and-film/ | Detoured: RF And Film | Brian Benchoff | [
"Hackerspaces"
] | [
"detoured",
"hackerspace",
"RF Film"
] | The technology behind capturing aerial video is so unbearably cool. Not only do you have fancy cameras that cost as much as a car, you also have remote control camera mounts on helicopters and amazing microwave links going to the ground. This isn’t your typical FPV setup on a quadcopter; there are jet turbines and S-ba... | 8 | 2 | [
{
"comment_id": "4458012",
"author": "Ostracus",
"timestamp": "2018-04-04T15:48:07",
"content": "” In fact, some of the first remote control systems he built were built around sprinkler systems.”*starts digging up lawn*Another field where equipment is custom made is dealing with the ocean.",
"pa... | 1,760,374,420.738442 | ||
https://hackaday.com/2018/04/04/kapton-miracle-material-with-a-tragic-history/ | Kapton: Miracle Material With A Tragic History | Dan Maloney | [
"Engineering",
"Interest"
] | [
"aircraft",
"fire",
"insulation",
"Kapton",
"materials engineering",
"wiring"
] | On a balmy September evening in 1998, Swissair flight 111 was in big trouble. A fire in the cockpit ceiling had at first blinded the pilots with smoke, leaving them to rely on instruments to divert the plane, en route from New York to Geneva, to an emergency landing at Halifax Airport in the Canadian province of Nova S... | 64 | 16 | [
{
"comment_id": "4457860",
"author": "Clovis Fritzen",
"timestamp": "2018-04-04T14:21:49",
"content": "And industry still uses it today? gotta be careful not to repeat the same error over again",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4457874",
"auth... | 1,760,374,420.335588 | ||
https://hackaday.com/2018/04/04/laser-cut-mecanum-wheel-for-the-budget-roboticist/ | Laser-Cut Mecanum Wheel For The Budget Roboticist | Sonya Vasquez | [
"Laser Hacks",
"Robots Hacks"
] | [
"laser cut",
"mecanum",
"mecanum wheels"
] | For the budding roboticist, omniwheels might be the next step in design patterns from your everyday “getting-started” robot kits. These wheels consist of tiny rollers that sit on the perimeter of the wheel and enable the wheel to freely slide laterally. With independent motor control of each wheel, a platform can freel... | 12 | 6 | [
{
"comment_id": "4457472",
"author": "yetihehe",
"timestamp": "2018-04-04T11:15:49",
"content": "I thought that heat shrink tubing has LESS traction than plywood.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4458272",
"author": "Alex Rossie",
... | 1,760,374,420.22752 | ||
https://hackaday.com/2018/04/04/the-era-of-orville-props-has-officially-begun/ | The Era Of Orville Props Has Officially Begun | Tom Nardi | [
"3d Printer hacks",
"handhelds hacks",
"Toy Hacks"
] | [
"3d printed",
"comscanner",
"prop building",
"star trek",
"The Orville"
] | Over a decade after the last
Star
Trek
show warped off of television, we finally have a new series in the form of
Star Trek: Discovery
. But much to the chagrin of many old school
Trek
fans,
Discovery
has gone all in on the gritty and hyper-serialized storytelling that’s taken over TV since Starfleet last patrolled the... | 49 | 13 | [
{
"comment_id": "4457251",
"author": "Burny110",
"timestamp": "2018-04-04T08:20:17",
"content": "This Could have been the best phone case ever!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4457845",
"author": "Dave Davidson",
"timestamp": "... | 1,760,374,420.878861 | ||
https://hackaday.com/2018/04/03/filter-your-pi-and-be-a-responsible-pirate/ | Filter Your Pi And Be A Responsible Pirate | Tom Nardi | [
"hardware",
"Radio Hacks",
"Raspberry Pi"
] | [
"filter",
"fm transmitter",
"harmonics",
"interference",
"pirate radio",
"raspberry pi"
] | At this point it’s pretty well-known that you can tack a long wire to the Raspberry Pi’s GPIO, install some software, and you’ve got yourself the worlds easiest pirate FM radio station. We say that it’s a “pirate” station because, despite being ridiculously easy to do, broadcasting on these frequencies without a licens... | 20 | 11 | [
{
"comment_id": "4456915",
"author": "Logic001",
"timestamp": "2018-04-04T05:11:03",
"content": "For any amateur radio operator wishing there was a hat that could do low power operations, there’s always the TAPR 20 m RPi hat/shield that has filters and a small amplifier, which was made to create a s... | 1,760,374,420.182828 | ||
https://hackaday.com/2018/04/03/the-lichtspiel-not-a-simple-childs-toy/ | The Lichtspiel: Not A Simple Child’s Toy. | James Hobson | [
"LED Hacks",
"Toy Hacks"
] | [
"atmega328",
"birthday",
"Child",
"children",
"light show",
"toy"
] | For his niece’s second birthday, [Stefan] wondered what a toddler would enjoy the most? As it turns out, a box packed with
lights, dials and other gadgets to engage and entertain
.
For little Alma’s enjoyment, three potentionmeters control a central LED, a row of buttons toggle a
paired row of
more lights
, a rotary en... | 9 | 7 | [
{
"comment_id": "4456702",
"author": "S2H",
"timestamp": "2018-04-04T02:54:16",
"content": "Great work! I’ve had a similar project in mind for my little guys for a while now. [Stefan], prepare to be ripped off!s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,420.382414 | ||
https://hackaday.com/2018/04/03/rotating-lithophane-box-turns-with-time/ | Rotating Lithophane Box Turns With Time | Kristina Panos | [
"clock hacks",
"how-to"
] | [
"3d printing",
"clock movement",
"led strip",
"lithophane"
] | If you wanted to make a rotating display box, what would you use to make it spin? A servo? A stepper motor? [ChrisN219] didn’t need his to move quickly by any means, and this opened up his options to something we probably wouldn’t have thought to use: a clock movement. Specifically, the
hour
minute part of the shaft.
R... | 6 | 4 | [
{
"comment_id": "4456498",
"author": "PirateLabs",
"timestamp": "2018-04-04T01:03:56",
"content": "I thought of using a clock movement for a recent project. It has very low power demands…an AA battery will run it for a year, and it is very accurate RPM wise. They are cheap to acquire and, I think ... | 1,760,374,420.782361 | ||
https://hackaday.com/2018/04/03/a-gif-playing-top-hat-for-frc-2018/ | A Gif-Playing Top Hat For FRC 2018! | James Hobson | [
"LED Hacks",
"Wearable Hacks"
] | [
"GIF",
"hat",
"matrix",
"Teensy",
"Top Hat",
"ws2812"
] | In gearing up to mentor a team at the 2018 FIRST Robotics Competition, redditor [dd0626] wanted to do something cool that resonated with this year’s 8-bit gaming theme. Over the course of a few days, they transformed a top hat into a thematically encapsulating marquee: a
LED matrix display loaded with gifs
!
The displa... | 13 | 10 | [
{
"comment_id": "4456095",
"author": "Patrick",
"timestamp": "2018-04-03T20:18:14",
"content": "Lincoln Money Shot !!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4456177",
"author": "Doug Leppard",
"timestamp": "2018-04-03T21:29:48",
"content":... | 1,760,374,420.696349 | ||
https://hackaday.com/2018/04/03/is-this-the-end-for-the-c-h-i-p/ | Is This The End For The C.H.I.P.? | Jenny List | [
"News",
"Slider"
] | [
"chip",
"CHIP Pro",
"Next Thing Co.",
"PocketCHIP"
] | There have been so many launches of very capable little single-board computers, that it is easy to forget an individual one among the crowd. You probably remember the C.H.I.P though, for its audacious claim back in 2015 to be the first $9 computer. It ran Linux, and included wireless connectivity, composite video outpu... | 99 | 43 | [
{
"comment_id": "4456032",
"author": "Doc Oct",
"timestamp": "2018-04-03T18:47:44",
"content": "Sucks for those who funded the Dashbot/Voder which was never released.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4456206",
"author": "TGT",
"... | 1,760,374,421.019276 | ||
https://hackaday.com/2018/04/03/nancy-grace-roman-mother-of-the-hubble/ | Nancy Grace Roman, Mother Of The Hubble | Kristina Panos | [
"Biography",
"Featured",
"History",
"Space"
] | [
"AG Draconis",
"astronomy",
"Hubble telescope",
"Nancy Grace Roman",
"nasa",
"NRL",
"the Hubble"
] | When she was four years old, Nancy Grace Roman loved drawing pictures of the Moon. By the time she was forty, she was in charge of convincing the U.S. government to fund a space telescope that would give us the clearest, sharpest pictures of the Moon that anyone had ever seen. Her interest in astronomy was always acade... | 25 | 10 | [
{
"comment_id": "4455971",
"author": "Genki",
"timestamp": "2018-04-03T17:27:28",
"content": "Had she married an optometrist, Hubble wouldn’t have gone up with vision issue. ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4456125",
"author": "Ren",... | 1,760,374,421.091524 | ||
https://hackaday.com/2018/04/03/handheld-propulsion-is-noisy-awesome/ | Handheld Propulsion Is Noisy, Awesome | Lewin Day | [
"3d Printer hacks",
"drone hacks"
] | [
"3d printer",
"3d printing",
"thruster"
] | Lithium batteries are ubiquitous, cheap, and incredibly powerful. Combine them with some brushless DC motors and you’ve got serious power in a compact package.
[Ivan Miranda] decided to use this to his advantage, building the Handheld Self Propelling System #1.
Yes, we’ll come right out and say it – it’s a giant fan, a... | 11 | 6 | [
{
"comment_id": "4455867",
"author": "Pete",
"timestamp": "2018-04-03T15:52:00",
"content": "His laugh is infectious! Glad to see someone having so much fun… I need to retire so I have time for that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4455923",
... | 1,760,374,421.14049 | ||
https://hackaday.com/2018/04/03/whats-the-deal-with-transparent-aluminum/ | What’s The Deal With Transparent Aluminum? | Dan Maloney | [
"chemistry hacks",
"Engineering",
"Slider"
] | [
"aluminum",
"armor",
"bulletproof",
"ceramic",
"crystalline",
"glass",
"material science",
"opacity",
"solid",
"translucency",
"transparency"
] | It looks like a tube made of glass but it’s actually aluminum. Well, aluminum with an asterisk beside it — this is not elemental aluminum but rather a material made using it.
We got onto the buzz about “transparent aluminum” as a result of
a Tweet
from whence the image above came. This Tweet was posted by [Jo Pitesky],... | 139 | 42 | [
{
"comment_id": "4455785",
"author": "Spencer Rhodes",
"timestamp": "2018-04-03T14:12:46",
"content": "That seems like it would make very fine fireplace/wood stove glass if it allows so much IR passthrough. You would get much better radiant heat I think. Am I correct in assuming that the oxynitrid... | 1,760,374,421.905944 | ||
https://hackaday.com/2018/04/03/soldering-saves-data-from-waterlogged-laptop/ | Soldering Saves Data From Waterlogged Laptop | Al Williams | [
"how-to",
"Repair Hacks"
] | [
"data recovery",
"emmc",
"flash",
"laptop"
] | What happens when you drop your laptop in the pool? Well, yes, you buy a new laptop. But what about your data. You do have backups, right? No, of course, you don’t. But if you can solder like [TheRasteri] you could
wire into the flash memory on the motherboard
and read it one last time. You can see the whole exploit in... | 21 | 8 | [
{
"comment_id": "4455586",
"author": "MacSimski",
"timestamp": "2018-04-03T11:30:00",
"content": "the end gives it all away. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4455589",
"author": "Al Williams",
"timestamp": "2018-04-03T11:37:... | 1,760,374,421.460814 | ||
https://hackaday.com/2018/04/03/hackaday-x-tindie-meetup-in-dublin-this-friday/ | Hackaday X Tindie Meetup In Dublin This Friday | Jenny List | [
"cons",
"Hackerspaces"
] | [
"Bring A Hack",
"dublin",
"Dublin meetup",
"Hackaday Dublin Unconference",
"Hackaday Meetup",
"TOG",
"tog hackerspace"
] | Hackaday and Tindie are coming to Dublin at the end of this week. Join us on Friday night as we host a meetup in the company of our friends at TOG hackerspace. Please
RSVP to tell us you’re coming
.
This is a Bring-a-Hack style event, so come out for a casual meetup and bring a project to show off. It’s a great way to ... | 4 | 1 | [
{
"comment_id": "4455530",
"author": "deshipu",
"timestamp": "2018-04-03T09:38:26",
"content": "Great. Good thing you are announcing this *AFTER* I already got the plane ticket for Saturday morning for the unconference. Thanks a lot.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,421.50523 | ||
https://hackaday.com/2018/04/03/ben-krasnow-tests-novel-plasma/ | [Ben Krasnow] Tests Novel Plasma | Steven Dufresne | [
"Misc Hacks"
] | [
"ben krasnow",
"plasma",
"waterjet"
] | When [Ben Krasnow] sees an interesting phenomenon he pursues it with a true scientist’s mentality, though it doesn’t hurt that he also has the skills and the workshop. This time he’s
produced a glowing plasma by impacting fused quartz and other materials with a high-speed water jet
.
The jet of pure water emerges from ... | 18 | 9 | [
{
"comment_id": "4455506",
"author": "Spacedog",
"timestamp": "2018-04-03T09:00:58",
"content": "Bens killing it again, V nice work. I was suprised by the extend he was pushing hydrolic equipment past it’s rating to that extent. what happens if the shaft does more and baloon by .5mm? explosion? ear ... | 1,760,374,421.567293 | ||
https://hackaday.com/2018/04/02/it-looks-like-a-nintendo-but-its-running-a-pi-a-gamers-long-sought-dream-handheld/ | It Looks Like A Nintendo, But It’s Running A Pi: A Gamer’s Long-Sought Dream Handheld | James Hobson | [
"Nintendo Hacks",
"Raspberry Pi",
"Slider"
] | [
"bluetooth",
"console",
"gaming",
"handheld",
"joy-con",
"retro",
"switch",
"video game"
] | [Christopher Foote] didn’t play quite as many games as he wanted to as a child. After years of catching up using the RetroPie and the PiGRRL 2, it was when he first picked up a Switch’s joy-cons that inspiration struck. Behold: the
PiSwitch
!
Realizing they
operated on Bluetooth tech
, [Foote] spent a fair chunk of tim... | 6 | 5 | [
{
"comment_id": "4455412",
"author": "TGT",
"timestamp": "2018-04-03T05:51:56",
"content": "Wow, this is awesome! That’s a lot of good work getting the joycons to work right. Thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4455725",
"author": "NAH!"... | 1,760,374,421.614813 | ||
https://hackaday.com/2018/04/02/emboss-your-own-seals-with-a-laser-cutter/ | Emboss Your Own Seals With A Laser Cutter | Sonya Vasquez | [
"Laser Hacks"
] | [
"delrin",
"embossing",
"laser cut",
"seals"
] | Parchment might be a thing of the past, but for those of us who still use paper an embossed seal can give everything from your official documents to your love letters a bold new feeling of authenticity. As far as getting your own seals made, plenty of folks will settle for having a 3rd party make them a seal, but not u... | 6 | 3 | [
{
"comment_id": "4455460",
"author": "mime",
"timestamp": "2018-04-03T07:09:45",
"content": "I don’t understand. How does the laser engrave the delrin? Does it embrittle the polymer, at which point it breaks off and is blown away by a fan? Or does it shrink because of the heat?",
"parent_id": nu... | 1,760,374,421.404429 | ||
https://hackaday.com/2018/04/02/from-plastic-bottle-to-plastic-brush/ | From Plastic Bottle To Plastic Brush | Kristina Panos | [
"green hacks",
"Tool Hacks"
] | [
"plastic bottle",
"reuse",
"workbench"
] | We first saw someone turn a plastic bottle into plastic ribbon about four years ago. Since then, we’ve wondered what this abundant, sturdy material could be used for besides just tying things together.
[Waldemar Sha] has answered that question with
his excellent brush made from scrap wood and plastic bottle rope
. Turn... | 8 | 5 | [
{
"comment_id": "4455044",
"author": "bigbob",
"timestamp": "2018-04-02T23:20:01",
"content": "How is instrucables not HTTPS?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4455243",
"author": "fullstop",
"timestamp": "2018-04-03T00:59:24",
... | 1,760,374,422.139665 | ||
https://hackaday.com/2018/04/02/giant-f1-car-is-3d-printed-and-radio-controlled/ | Giant F1 Car Is 3D Printed And Radio Controlled | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"3d printing",
"radio control",
"rc"
] | The OpenRC F1 car is a radio control car you can 3D print and assemble yourself. You make the parts, glue them together, and then add your RC gear. That’s all well and good, but could it be done… bigger?
[3D Printing Nerd] decided to tackle this one at 4x scale.
It goes without saying that this took some work. The mode... | 16 | 4 | [
{
"comment_id": "4454793",
"author": "Gravis",
"timestamp": "2018-04-02T21:32:48",
"content": "Yeah, this is a good example of why you would want toextrude pellets instead of filament. A $200 print is no good.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,422.089023 | ||
https://hackaday.com/2018/04/01/assess-your-output-with-a-cheap-diy-urine-flowmeter/ | Assess Your Output With A Cheap DIY Urine Flowmeter | Dan Maloney | [
"Medical Hacks"
] | [
"ESP8266",
"flow",
"flowmeter",
"hx711",
"load cell",
"strain gauge",
"urine",
"wheatstone bridge"
] | Some things about the human body are trivial to measure. Height, weight, blood pressure, pulse, temperature — these are all easily quantifiable with the simplest of instruments and can provide valuable insights into our state of health. Electrical activity in the heart and the brain can be captured with more complex in... | 35 | 10 | [
{
"comment_id": "4453530",
"author": "Alex Rossie",
"timestamp": "2018-04-02T02:05:58",
"content": "Unfortunately this devices primary competitor is a jug. And it looses to it.If you really want to categorise BPH then you don’t want a subjective scale you probably want a subjective one.There is no p... | 1,760,374,422.032399 | ||
https://hackaday.com/2018/04/01/hackaday-links-some-sort-of-fools-day-2018/ | Hackaday Links: Some Sort Of Fool’s Day, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"amiga",
"Amiga 4000",
"decapsulation",
"motherboard",
"pke meter",
"wimshurst",
"wimshurst machine"
] | A few years ago, writing for a blog called
Motherboard
of all things, [Emanuel Maiberg] wrote
PC Gaming Is Still Way Too Hard
. The premise is that custom building a gaming PC is too hard, because you have to source components and comparison shop. Again, this was written for
Motherboard
. Personally, I would have shopp... | 20 | 10 | [
{
"comment_id": "4453436",
"author": "MRE",
"timestamp": "2018-04-01T23:54:10",
"content": "I would not support any retro computer schematic / board layout recreation project not in open software such as kicad. PADS/Altium is still out of the hands of hobbiests.",
"parent_id": null,
"depth":... | 1,760,374,421.963119 | ||
https://hackaday.com/2018/04/01/yellow-robot-wheels-rolling-out/ | Yellow Robot Wheels Rolling Out | Roger Cheng | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"arduinio",
"cardboard",
"ESP32",
"Hackaday Prize",
"raspberry pi",
"Raspberry Pi 3",
"Robot Operating System",
"robot wheels",
"ros"
] | Small wheeled robots are great for exploring robotics and it’s easier than ever to get started, thanks to growing availability and affordability of basic components. One such component is a small motorized wheel assembly commonly shown when searching for “robot wheel”: a small DC motor mounted in a gearbox to drive a s... | 2 | 2 | [
{
"comment_id": "4453348",
"author": "--A",
"timestamp": "2018-04-01T20:48:45",
"content": "Ha ha. Nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4453512",
"author": "Ben",
"timestamp": "2018-04-02T01:51:14",
"content": "Without encoders and ... | 1,760,374,422.254155 | ||
https://hackaday.com/2018/04/01/autodesk-introduces-serpentine-router-for-eagle/ | Autodesk Introduces Serpentine Router For Eagle | Brian Benchoff | [
"Misc Hacks"
] | [
"april fools",
"autodesk",
"eagle",
"snake"
] | Since Autodesk acquired Eagle a few years ago, they’ve been throwing out all the stops. There is now a button in Eagle that flips your board from the front to the back — a feature that should have been there twenty years ago.
There’s parametric part generation
, push and shove routing,
integration with Fusion 360
, and... | 26 | 15 | [
{
"comment_id": "4453153",
"author": "Louis",
"timestamp": "2018-04-01T17:09:44",
"content": "Just did one PCB layout last week for a client using Eagle. After using KiCad or even Altium Designer all my life I can certainly say that Eagle is the worst tool available for PCB layout. All the tools se... | 1,760,374,422.323996 | ||
https://hackaday.com/2018/04/01/incandescent-luminescence-of-semiconductor-junctions-characterised-in-the-lab/ | Incandescent Luminescence Of Semiconductor Junctions Characterised In The Lab | Jenny List | [
"Science",
"Slider"
] | [
"luminescence",
"science",
"semiconductor junction",
"semiconductors"
] | The semiconductor devices were put to the test under different atmospheres in this chamber.
One of the humbling things about writing for Hackaday comes when we encounter our readership and learn the breadth of our community and the huge variety of skills and professions you represent. Among your number are a significan... | 26 | 15 | [
{
"comment_id": "4453037",
"author": "Ostracus",
"timestamp": "2018-04-01T14:13:57",
"content": "” It appears that there are a set of higher energy state conductivity bands in a semiconductor junction that can only be reached once the current passing through it breaches a threshold governed by the a... | 1,760,374,422.213219 | ||
https://hackaday.com/2018/04/01/the-iot-internet-of-teeth/ | The IoT (Internet Of Teeth) | Christopher Wang | [
"Medical Hacks",
"News"
] | [
"biosensor",
"IoT",
"teeth",
"wireless sensors"
] | Get ready for
another step towards our dystopian future
as scientists have invented a way to track and monitor what we eat. This 2mm x 2mm wireless sensor can be mounted on to teeth and can track everything that goes into your mouth. Currently it can monitor salt, glucose, and alcohol intake. The sensor then communicat... | 22 | 11 | [
{
"comment_id": "4452491",
"author": "Philipp S (@Philipp678)",
"timestamp": "2018-04-01T11:09:06",
"content": "Nice try :D:D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4453699",
"author": "DT",
"timestamp": "2018-04-02T07:42:49",
... | 1,760,374,422.381273 | ||
https://hackaday.com/2018/04/01/reverse-engineering-bottle-threads-for-fun-and-profit/ | Reverse Engineering Bottle Threads For Fun And Profit | Kristina Panos | [
"chemistry hacks",
"classic hacks",
"how-to"
] | [
"bondo",
"johnson's wax",
"reverse engineering",
"thread"
] | Recently, one of [Eric]’s clients asked him to design a bottle. Simple enough for a product designer, except that the client needed it to thread into a specific type of cap. And no, they don’t know the specs.
But that’s no problem, thought [Eric] as he turned on the exhaust fan and reached for the secret ingredient tha... | 37 | 14 | [
{
"comment_id": "4452412",
"author": "Lasse Bierstrom",
"timestamp": "2018-04-01T08:49:17",
"content": "Typo: You need something workable enough to twist out of there with breaking, but rigid enough that the small detail of the threads isn’t lost.WITH braking?",
"parent_id": null,
"depth": 1... | 1,760,374,422.453876 | ||
https://hackaday.com/2018/04/02/a-well-chronicled-adventure-in-tiny-robotics/ | A Well-Chronicled Adventure In Tiny Robotics | Roger Cheng | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"arduino",
"arduino robot",
"ARM architecture",
"arm cortex",
"ARM Cortex M4F",
"arm development",
"bluetooth",
"bluetooth LE"
] | Some of us get into robotics dreaming of big heavy metal, some of us go in the opposite direction to build tiny robots scurrying around our tabletops. Our Hackaday.io community has no shortage of robots both big and small, each an expression of its maker’s ideals. For 2018 Hackaday Prize, [Bill Weiler] entered his visi... | 6 | 4 | [
{
"comment_id": "4454470",
"author": "Ostracus",
"timestamp": "2018-04-02T19:24:02",
"content": "Tiny would be those robots that crawl around inside you.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4454547",
"author": "Someone",
"timestamp... | 1,760,374,422.598325 | ||
https://hackaday.com/2018/04/02/bringing-fiction-to-life-with-3d-printing/ | Bringing Fiction To Life With 3D Printing | Tom Nardi | [
"3d Printer hacks",
"Curated",
"Hackaday Columns",
"how-to",
"Skills"
] | [
"3d printed",
"3d printing",
"finishing",
"painting",
"print finishing",
"prop",
"prop building",
"stl"
] | I print something nearly every day, and over the last few years, I’ve created hundreds of practical items. Parts to repair my car, specialized tools, scientific instruments, the list goes on and on. It’s very difficult for me to imagine going back to a time where I didn’t have the ability to rapidly create and replicat... | 27 | 9 | [
{
"comment_id": "4454283",
"author": "jenningsthecat",
"timestamp": "2018-04-02T17:29:31",
"content": "You need to get some more maker / hacker friends in your life! Personally, I couldn’t care less about the “gadgets, characters, and weapons” stuff, except to admire the quality, craftsmanship, and ... | 1,760,374,423.305072 | ||
https://hackaday.com/2018/04/02/zen-and-the-art-of-japanese-tea-robots/ | Zen And The Art Of Japanese Tea Robots | Christopher Wang | [
"Robots Hacks"
] | [
"automated tea maker",
"hobby robotics",
"japan",
"japanese"
] | In Japan, tea ceremony (cha-dou) is revered as a way to a gain deeper insights into life and philosophy. Traditional Japanese tea ceremony practitioners put in long hours to master the intricacies and details of pouring tea. The road to becoming a tea master is crucial as it develops the practitioner’s mental state as ... | 10 | 10 | [
{
"comment_id": "4454214",
"author": "Ren",
"timestamp": "2018-04-02T16:05:58",
"content": "Well, I’m glad that is not a dish of Wasabi!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4454234",
"author": "¯\\_(ツ)_/¯",
"timestamp": "2018-04-02T16:29:48"... | 1,760,374,422.64488 | ||
https://hackaday.com/2018/04/02/self-driven-uber-and-tesla/ | Self-Driven: Uber And Tesla | Elliot Williams | [
"Current Events",
"Featured",
"News",
"Original Art",
"Slider",
"Transportation Hacks"
] | [
"Autopilot",
"car",
"self-driving car",
"tesla",
"uber",
"Waymo"
] | Self-driving cars have been in the news a lot in the past two weeks. Uber’s self-driving taxi hit and killed a pedestrian on March 18, and just a few days later a Tesla running in “autopilot” mode slammed into a road barrier at full speed, killing the driver. In both cases, there was a human driver who was supposed to ... | 164 | 32 | [
{
"comment_id": "4454053",
"author": "snarkysparky",
"timestamp": "2018-04-02T14:08:35",
"content": "Still unconvinced that a computer can do better pattern matching than a human brain which has had eons of evolution to train it.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,423.180409 | ||
https://hackaday.com/2018/04/02/pavement-projection-provides-better-bicycle-visibility-at-night/ | Pavement Projection Provides Better Bicycle Visibility At Night | Dan Maloney | [
"LED Hacks",
"Transportation Hacks"
] | [
"ar",
"arduino",
"bicycle",
"bike",
"flasher",
"ground effect",
"led",
"lighting",
"POV",
"safety"
] | Few would question the health benefits of ditching the car in favor of a bicycle ride to work — it’s good for the body, and it can be a refreshing relief from rat race commuting. But it’s not without its perils, especially when one works late and returns after dark. Most car versus bicycle accidents occur in the early ... | 67 | 28 | [
{
"comment_id": "4453896",
"author": "Nitpicker Smartyass",
"timestamp": "2018-04-02T11:31:24",
"content": "I am not quite sure if that – rather short distance – red-light-mosaic is giving better visibility than a reflective vest worn over that ALL DARK CLOTHING would provide.For many years I have b... | 1,760,374,422.958685 | ||
https://hackaday.com/2018/04/02/pepper-mill-locks-your-door/ | Pepper Mill Locks Your Door | Lewin Day | [
"classic hacks"
] | [
"door lock",
"motor",
"pepper",
"pepper grinder"
] | Pepper! If you’ve ever tried to grind it, you’ve probably noticed it takes a bit of elbow grease. It’s actually possible to source electric pepper mills to grind it for you, in fact.
It just so happens that [MarioM66] had one to hand, and a door lock that needed automating.
Seeing as grinding pepper requires at least a... | 17 | 7 | [
{
"comment_id": "4453852",
"author": "heatgap",
"timestamp": "2018-04-02T09:52:05",
"content": "Slick.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4453880",
"author": "mb",
"timestamp": "2018-04-02T11:06:21",
"content": "That’s ingenious. This c... | 1,760,374,423.230211 | ||
https://hackaday.com/2018/04/01/multi-coloured-leds-make-for-a-beautiful-colour-clock/ | Multi-Coloured LEDs Make For A Beautiful Colour Clock | Jenny List | [
"clock hacks"
] | [
"clock",
"led",
"led ring",
"led ring clock"
] | This project is so pretty in its own right, it doesn’t need a case!
Clocks are a recurring feature among the projects we feature here on Hackaday, with several common themes emerging among them. We see traditional clocks with hands, digital clocks with all forms of display including the ubiquitous Nixie tube, and plent... | 6 | 4 | [
{
"comment_id": "4453792",
"author": "elmesito",
"timestamp": "2018-04-02T08:58:01",
"content": "Stunning clock with great motion effects.I can’t help thinking of using the ESP8266 and picking the time from the internet, and using WS2812 LEDs and all of it as a minimalist single ring, similar to the... | 1,760,374,423.352465 | ||
https://hackaday.com/2018/03/31/an-8-bit-alu-entirely-from-nand-gates/ | An 8-Bit ALU, Entirely From NAND Gates | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"4000 series logic",
"ALU",
"cmos",
"logic"
] | One of the things that every student of digital electronics learns, is that every single logic function can be made from a combination of NAND gates. But nobody is foolhardy enough to give it a try, after all that would require a truly huge number of gates!
Someone evidently forgot to tell [Notbookies], for
he has made... | 18 | 8 | [
{
"comment_id": "4452362",
"author": "Alexander Wikström",
"timestamp": "2018-04-01T07:40:28",
"content": "An ALU is an interesting piece of circuitry. But I am though curious to what bit wise functions this one is implementing.Since there is no formal definition in the industry of what is required ... | 1,760,374,423.453132 | ||
https://hackaday.com/2018/03/31/3d-printed-tank-tracks/ | 3D Printed Tank Tracks | Al Williams | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printing",
"drive train",
"robot",
"robotics",
"Tank Tracks",
"tank treads"
] | [Ivan] has been keeping his 3D printers busy with parts he’s experimenting with to build a
tracked motion setup for a tank-like vehicle
. His design uses several interlocking parts, so if you want to duplicate it, we hope your printer calibration is up to snuff. He’s still printing more parts and promises to release th... | 10 | 9 | [
{
"comment_id": "4452272",
"author": "scott t",
"timestamp": "2018-04-01T03:36:13",
"content": "seems like it would be easy to make those tread pieces designed to snap into place instead of needing the zip ties.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4... | 1,760,374,423.39672 | ||
https://hackaday.com/2018/03/31/build-your-own-antenna-for-outdoor-monitoring-with-lora/ | Build Your Own Antenna For Outdoor Monitoring With LoRa | Christopher Wang | [
"classic hacks",
"Radio Hacks",
"Wireless Hacks"
] | [
"antenna",
"IoT",
"LoRa"
] | LoRa and LPWANs (Low Power Wide Area Networks) are all the range (tee-hee!) in wireless these days. LoRa is a sub 1-GHz wireless technology using sophisticated signal processing and modulation techniques to achieve long-range communications.
With that simplified introduction, [Omkar Joglekar]
designed his own LoRa node... | 15 | 5 | [
{
"comment_id": "4452142",
"author": "Ostracus",
"timestamp": "2018-03-31T23:39:53",
"content": "Aside from geeks wonder who else is using LoRa?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4452173",
"author": "Joel",
"timestamp": "2018-03-... | 1,760,374,423.504333 | ||
https://hackaday.com/2018/03/31/thermoelectric-generator-shines-where-the-sun-doesnt/ | Thermoelectric Generator Shines Where The Sun Doesn’t | Dan Maloney | [
"Misc Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"heatsink",
"liquid cooling",
"peltier",
"TEG",
"thermoelectric"
] | For off-grid renewable electricity, solar seems to make sense. Just throw some PV panels on the roof and you’re all set to stick it to the man, right? But the dirty little secret of the king of clean energy is that very few places on the planet get the sort of sunshine needed to make residential PV panels worth their i... | 81 | 19 | [
{
"comment_id": "4451974",
"author": "TGT",
"timestamp": "2018-03-31T20:17:34",
"content": "I find it extremely hard to believe that a peltier generator on a wood-burning stove is going to be either economical or renewably sustainable in any kind of large-scale application. Especially compared to so... | 1,760,374,423.67009 | ||
https://hackaday.com/2018/03/31/theres-more-to-midi-than-music-how-about-a-light-show/ | There’s More To MIDI Than Music – How About A Light Show? | Sven Gregori | [
"LED Hacks",
"Musical Hacks"
] | [
"3d printed",
"arduino",
"DAW",
"leds",
"midi",
"MIDI controlled",
"ws2812b"
] | MIDI instruments and controllers are fun devices if you want to combine your interest in music and electronics in a single project. Breaking music down into standardized, digital signals can technically turn anything with a button or a sensor into a musical instrument or effect pedal. On the other hand, the receiving e... | 6 | 4 | [
{
"comment_id": "4451909",
"author": "Andy",
"timestamp": "2018-03-31T17:17:36",
"content": "Midi to DMX. Make Ableton your Light Controller….https://doktor-andy.de/wordpress/?p=351",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4451910",
"author": "darksp... | 1,760,374,423.545575 | ||
https://hackaday.com/2018/03/31/you-bring-it-this-blings-it-retrofitting-a-hot-foil-stamping-machine/ | You Bring It, This Blings It: Retrofitting A Hot Foil Stamping Machine | Christopher Wang | [
"News"
] | [
"arbor press",
"dirty hack",
"foil",
"repurpose",
"retrofit",
"stamping"
] | Hot foil stamping is a method often used to embellish and emboss premium print media. It’s used on things like letterhead and wedding invitations to add a touch of luxury. The operation is actually quite simple, where a custom die is heated, pressed into a heat transfer foil, and then transferred on to the print media.... | 15 | 6 | [
{
"comment_id": "4451637",
"author": "Dan",
"timestamp": "2018-03-31T14:13:17",
"content": "How’s the glue hold up to the heat of soldering?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4451777",
"author": "BiOzZ",
"timestamp": "2018-03-31T... | 1,760,374,423.725871 | ||
https://hackaday.com/2018/03/31/simple-decoder-serves-as-solo-hams-test-buddy/ | Simple Decoder Serves As Solo Ham’s Test Buddy | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"decoder",
"dtmf",
"encoder",
"ESP8266",
"ham",
"IFTTT",
"NodeMCU",
"sms",
"text message"
] | For a hobby that’s ostensibly all about reaching out to touch someone, ham radio can often be a lonely activity. Lots of hams build and experiment with radio gear much more than they’re actually on the air, improving their equipment iteratively. The build-test-tweak-repeat cycle can get a little tedious, though, especi... | 11 | 6 | [
{
"comment_id": "4451377",
"author": "A guy",
"timestamp": "2018-03-31T11:40:59",
"content": "I did something kinda similar but stationary. I used a simple DTMF decoder on my PC attached to a Baofeng UV-5R, wired to an external antenna on my second floor balcony and used Chrome Remote Desktop to see... | 1,760,374,424.203861 | ||
https://hackaday.com/2018/03/28/emulating-a-complete-commodore-64/ | Emulating A Complete Commodore 64 | Brian Benchoff | [
"classic hacks",
"Microcontrollers"
] | [
"commodore",
"commodore 64",
"sid",
"sid chip",
"Teensy",
"Teensy 3.6"
] | When the Commodore 64 was released in 1982, it was a masterpiece of engineering. It had capabilities far outstripping other home computers, and that was all due to two fancy chips inside the C64. The VIC-II, the video chip for the C64, had sprites and scrolling, all stuffed into a single bit of silicon. The SID chip wa... | 40 | 9 | [
{
"comment_id": "4447890",
"author": "Ostracus",
"timestamp": "2018-03-29T05:55:28",
"content": "” It’s a fantastic piece of work, and as the video (below) shows, this is a real Commodore 64 that fits in your pocket.”Makes people happy to see you. ;-)",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,424.107325 | ||
https://hackaday.com/2018/03/28/improving-controls-for-a-camera-slider-kit/ | Improving Controls For A Camera Slider Kit | Steven Dufresne | [
"digital cameras hacks",
"Misc Hacks"
] | [
"arduino nano",
"camera",
"camera slider",
"slider"
] | We’ve all gone through it. You buy a kit or even an assembled consumer item, and it’s either not quite right or it’s only a part of what you need. Either you do a fix, or you add to it. In [Jeremy S. Cook’s] case, he’d been working for a while with a camera slider kit which came with just the slider. He’d added a motor... | 10 | 4 | [
{
"comment_id": "4447812",
"author": "macona",
"timestamp": "2018-03-29T02:28:13",
"content": "Geeze. Do not hold end mills with a drill chuck! Even in wood!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4448226",
"author": "Jeremy S Cook",
... | 1,760,374,423.91421 | ||
https://hackaday.com/2018/03/28/an-led-effect-for-every-occasion/ | An LED Effect For Every Occasion | Kerry Scharfglass | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"example",
"led strip",
"leds",
"RGB LED strip"
] | Quality software development examples can be hard to come by. Sure, it’s easy to pop over to Google and find a <code> block with all the right keywords, but having everything correctly explained can be hit or miss. And the more niche the subject, the thinner the forum posts get. Bucking the downward trend [HansLuijten]... | 13 | 5 | [
{
"comment_id": "4447835",
"author": "bty",
"timestamp": "2018-03-29T03:34:52",
"content": "i was playing with some addressable led strips recently, building some effects for a show. after the usual stuff, rainbows, spectrum analyzer, spectrum waterfall, scrolling text, etc, I wanted to see if I cou... | 1,760,374,424.158682 | ||
https://hackaday.com/2018/03/28/evolution-of-the-esp8266-party-button/ | Evolution Of The ESP8266 Party Button | Tom Nardi | [
"Microcontrollers"
] | [
"ESP8266",
"home automation",
"home-assistant",
"IoT",
"mqtt",
"philips hue"
] | Sometimes the best part of building something is getting to rebuild it again a little farther down the line. Don’t tell anyone, but sometimes when we start a project we don’t even know where the end is going to be. It’s a starting point, not an end destination. Who wants to do something once when you could do it twice?... | 13 | 5 | [
{
"comment_id": "4447619",
"author": "Ren",
"timestamp": "2018-03-28T20:31:58",
"content": "Large buttons on multiple boxes…Let’s play Jeopardy!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4447701",
"author": "Soc Rat",
"timestamp": "2018-... | 1,760,374,424.311445 | ||
https://hackaday.com/2018/03/28/a-brushless-motor-on-a-pcb-made-from-pcb/ | A Brushless Motor On A PCB, Made From PCB | Dan Maloney | [
"Misc Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"BLDC",
"coil",
"etching",
"fr4",
"neodymium",
"pcb",
"rotor",
"stator",
"stepper"
] | At Hackaday, we really appreciate it when new projects build on projects we’ve featured in the past. It’s great to be able to track back and see what inspires people to pick up someone else’s work and bring it to the next level or take it down a totally new path.
This PCB brushless motor
is a great example of the soft ... | 33 | 15 | [
{
"comment_id": "4447543",
"author": "steelman",
"timestamp": "2018-03-28T18:41:42",
"content": "Cool. I wonder, if they considered building an induction motor without permanent magnets?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4447609",
"autho... | 1,760,374,424.439667 | ||
https://hackaday.com/2018/03/28/storm-detector-modules-dancing-in-the-rain/ | Storm Detector Modules: Dancing In The Rain | Sean Boyce | [
"Featured",
"hardware",
"how-to",
"Original Art"
] | [
"desk toy",
"lightning detector",
"NodeMCU",
"solar power",
"spi"
] | Earlier, we had
covered setting up an AS3935 lightning detector module
. This detector picks up radio emissions, then analyzes them to determine if they are a lightning strike or some other radio source. After collecting some data, it outputs the estimated distance to the incoming storm front.
But that only gets you ha... | 18 | 8 | [
{
"comment_id": "4447454",
"author": "Ostracus",
"timestamp": "2018-03-28T17:13:16",
"content": "Story photo looks like a Ghostbuster detector.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4447590",
"author": "Ren",
"timestamp": "2018-03-28... | 1,760,374,424.368928 | ||
https://hackaday.com/2018/03/28/friday-hack-chat-simulating-analog/ | Friday Hack Chat: Simulating Analog | Brian Benchoff | [
"Hackaday Columns"
] | [
"analog",
"Hack Chat",
"PSpice",
"simulation",
"SPICE"
] | Simulation is a valuable tool for any hardware developer. Instead of building hardware for a long debugging session, you can emulate a microcontroller and blink your lights with some Javascript. Instead of working on a Bluetooth protocol for your fitness wearable, you can just whip up some Javascript and get it working... | 9 | 5 | [
{
"comment_id": "4447419",
"author": "Ostracus",
"timestamp": "2018-03-28T16:50:14",
"content": "Wonder if PSpice leverages GPUs?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4447539",
"author": "Elliot Williams",
"timestamp": "2018-03-28T1... | 1,760,374,424.25496 | ||
https://hackaday.com/2018/03/29/hairio-an-interactive-extension-of-the-self/ | HairIO: An Interactive Extension Of The Self | Kristina Panos | [
"Arduino Hacks",
"Wearable Hacks"
] | [
"arduino nano",
"bluetooth",
"flexinol",
"hair extensions",
"hair-ables",
"nitinol",
"thermochromic",
"Wearables"
] | Most of what we see on the wearable tech front is built around traditional textiles, like adding turn signals to a jacket for safer bike riding, or wiring up a scarf with RGB LEDs and a color sensor to make it match any outfit. Although we’ve seen the odd light-up hair accessory here and there,
we’ve never seen anythin... | 19 | 10 | [
{
"comment_id": "4448451",
"author": "Ren",
"timestamp": "2018-03-29T20:16:03",
"content": "Get a bunch of them for that wildly popular Medusa look!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4448455",
"author": "Ren",
"timestamp": "2018-... | 1,760,374,424.4956 |
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