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https://hackaday.com/2019/11/27/a-single-digit-micrometer-thickness-wood-speaker/ | A Single-Digit-Micrometer Thickness Wood Speaker | Sharon Lin | [
"chemistry hacks"
] | [
"materials science",
"physics",
"research",
"wood"
] | Researchers have created
an audio speaker using ultra-thin wood film
. The new material demonstrates high tensile strength and increased
Young’s modulus
, as well as acoustic properties contributing to higher resonance frequency and greater displacement amplitude compared to a commercial polypropylene diaphragm in an a... | 22 | 10 | [
{
"comment_id": "6198506",
"author": "mikecauser",
"timestamp": "2019-11-28T03:10:25",
"content": "Wow, wood you look at that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6198739",
"author": "CMH62",
"timestamp": "2019-11-28T22:01:23",
... | 1,760,373,675.440985 | ||
https://hackaday.com/2019/11/27/bringing-the-nes-cartridge-into-the-usb-age/ | Bringing The NES Cartridge Into The USB Age | Jenny List | [
"Nintendo Hacks"
] | [
"flash memory",
"nes",
"NES cartridge"
] | An NES cartridge in its most basic form is a surprisingly simple device, it contains two ROMs hosting all the code and assets of its game, and a Nintendo code chip that provided what was a state-of-the-art consumer DRM system for the 1980s. Decades later its inner workings have been extensively reverse-engineered, and ... | 7 | 3 | [
{
"comment_id": "6198574",
"author": "WallyHulea",
"timestamp": "2019-11-28T10:13:39",
"content": "What the hell is Kaptop tape? I keep seeing it everywhere! Kaptop this, Kapton that, what is it?…Oh.Ooooooh~!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61... | 1,760,373,674.832198 | ||
https://hackaday.com/2019/11/27/us-air-force-says-theyre-developing-an-open-source-jet-engine-we-say-show-us-the-design/ | US Air Force Says They’re Developing An Open Source Jet Engine; We Say Show Us The Design | Tom Nardi | [
"Engine Hacks",
"Transportation Hacks"
] | [
"Air Force",
"jet engine",
"military",
"open source",
"turbine"
] | The economies of scale generally dictate that anything produced in large enough numbers will eventually become cheap. But despite the fact that a few thousand of them are tearing across the sky above our heads at any given moment, turbine jet engines are still expensive to produce compared to other forms of propulsion.... | 46 | 17 | [
{
"comment_id": "6198420",
"author": "Jeff King",
"timestamp": "2019-11-27T21:18:26",
"content": "No, you are reading it wrong. “Open source” to them means being able to supply a vendor the specs and manufacturing documents so they can make the engine… so they can have multiple competing vendors."... | 1,760,373,674.985267 | ||
https://hackaday.com/2019/11/27/supercon-talk-sophy-wong-is-designing-the-future-of-wearable-technology/ | Supercon Talk: Sophy Wong Is Designing The Future Of Wearable Technology | Tom Nardi | [
"3d Printer hacks",
"cons",
"Wearable Hacks"
] | [
"2019 Hackaday Superconference",
"3d printed textiles",
"cad",
"design",
"Sophy Wong",
"wearable"
] | For many of us, the term “wearable technology” conjures up mental images of the Borg from
Star Trek
: harsh mechanical shapes and exposed wiring grafted haphazardly onto a human form that’s left with a range of motion just north of the pre-oilcan Tin Man. It’s simply a projection of the sort of hardware we’re used to. ... | 23 | 14 | [
{
"comment_id": "6198394",
"author": "darius",
"timestamp": "2019-11-27T19:36:45",
"content": "Excellent Sophy,let me in",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6198413",
"author": "aleksclark",
"timestamp": "2019-11-27T20:59:58",
"content":... | 1,760,373,675.047697 | ||
https://hackaday.com/2019/11/27/retrotechtacular-the-art-of-the-foundry/ | Retrotechtacular: The Art Of The Foundry | Dan Maloney | [
"Hackaday Columns",
"Retrotechtacular",
"Slider"
] | [
"Boiler",
"cast iron",
"casting",
"fettling",
"fitting",
"foundry",
"steam",
"steel"
] | Mention the term “heavy industry” and the first thing to come to mind might well be the metal foundry. With immense machines and cauldrons of molten metal being shuttled about by crane and rail, the image of the foundry is like a scene from Dante’s
Inferno
, with fumes filling a vast impersonal factory, and sparks flyi... | 19 | 10 | [
{
"comment_id": "6198382",
"author": "Andy Pugh",
"timestamp": "2019-11-27T18:54:22",
"content": "I suspect that foundry work is quite satisfying, rather than mindless. The foundry I use when I want parts cast is run by a chap who seems very enthusiastic about the work, and seems keen to embrace one... | 1,760,373,675.210857 | ||
https://hackaday.com/2019/11/26/progressive-or-thrash-how-metal-detectors-discriminate/ | Progressive Or Thrash? How Metal Detectors Discriminate | Kristina Panos | [
"classic hacks",
"Misc Hacks"
] | [
"coil",
"diamagnetism",
"eddy currents",
"metal detector",
"Paramagnetism",
"phase shift"
] | Metal detecting is a fun pastime, even when all you can find is a little bit of peace and a whole lot of pop tabs. [Huygens Optics] has a VLF-based metal detector that offers much more feedback than just a beep or no beep. This thing is fancy enough to discriminate between types of metal and report back a numerical ID ... | 37 | 13 | [
{
"comment_id": "6198157",
"author": "McNugget",
"timestamp": "2019-11-26T21:28:32",
"content": "As a metal detecting enthusiast, this video really hits the nail on what is going on. This only applies to VLF based detectors though, other designs use different principals.",
"parent_id": null,
... | 1,760,373,675.293999 | ||
https://hackaday.com/2019/11/26/agora-a-hackable-e-paper-clock/ | Agora, A Hackable E-Paper Clock | Gerrit Coetzee | [
"clock hacks",
"The Hackaday Prize"
] | [
"agora",
"clock",
"e-paper",
"the hackaday prize"
] | [Daniel Zilinec] appreciates the aesthetics of e-paper and
thought it would make a great clock.
The natural appearance of e-paper certainly appeals to a lot of hackers. We’ve seen everything from
typewriters
to trackers for imaginary
money
. The Agora clock is designed to be battery powered,;a classic night-stand alarm... | 10 | 5 | [
{
"comment_id": "6198137",
"author": "Jonathan Self",
"timestamp": "2019-11-26T20:14:10",
"content": "Pretty cool! I’m glad it has a backlight too! I was worried it wouldn’t until I read the article.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6198178",
... | 1,760,373,674.891909 | ||
https://hackaday.com/2019/11/26/the-young-engineers-guide-to-university-capstone-projects/ | The Young Engineers Guide To University Capstone Projects | Lewin Day | [
"Engineering",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"college",
"university"
] | Engineering degrees are as wide and varied as the potential careers on offer out in the real world. There’s plenty of maths to learn, and a cavalcade of tough topics, from thermodynamics to fluid mechanics. However, the real challenge is the
capstone project.
Generally taking place in the senior year of a four-year deg... | 8 | 5 | [
{
"comment_id": "6198148",
"author": "chester moore",
"timestamp": "2019-11-26T20:49:12",
"content": "Would that I could have chosen my project. Our Capstone projects were assigned, and unfortunately I was assigned to a project that frankly didn’t contain much to interest me, as it had nothing to do... | 1,760,373,675.101232 | ||
https://hackaday.com/2019/11/26/a-super-easy-laser-engraver/ | A Super Easy Laser Engraver | Lewin Day | [
"Tool Hacks"
] | [
"cnc",
"engraver",
"optical drive"
] | CNC comes in all shapes and sizes, from huge industrial lathes to homebuilt wire benders. [MJKZZ] has built their own compact rig,
using optical drive parts to create a cute but effective laser engraver.
(Video embedded below.)
The build aims to keep things simple by holding the laser stationary, and moving the bed ins... | 8 | 5 | [
{
"comment_id": "6198080",
"author": "RB",
"timestamp": "2019-11-26T16:42:03",
"content": "Good adaptation of old repstrap methods. I like how the laser is attached to an adjustable arm.Nicely done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6198081",
... | 1,760,373,675.150037 | ||
https://hackaday.com/2019/11/26/the-strain-of-flu-shot-logistics/ | The Strain Of Flu Shot Logistics | Kristina Panos | [
"chemistry hacks",
"Hackaday Columns",
"Interest",
"Medical Hacks",
"Original Art",
"Slider"
] | [
"cdc",
"egg",
"fda",
"flu",
"flu shots",
"influenza",
"Jonas Salk",
"logistics",
"virus"
] | Did you get a flu shot this year? How about last year? In a world of next-day delivery and instant downloads, making the yearly pilgrimage to the doctor or the minute clinic feels like an outdated concept. Even if you get your shots free at the office, it’s still a pain to have to get vaccinated every year.
Unfortunate... | 43 | 7 | [
{
"comment_id": "6198061",
"author": "negio",
"timestamp": "2019-11-26T15:16:32",
"content": ">vaccination>against viruses10/10 would laugh again.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6198064",
"author": "Elliot Williams",
"timestam... | 1,760,373,675.533601 | ||
https://hackaday.com/2019/11/26/pixmob-led-wristband-teardown-plus-ir-emitters-and-how-to-spot-them/ | PixMob LED Wristband Teardown (Plus IR Emitters And How To Spot Them) | Donald Papp | [
"Teardown",
"Wearable Hacks"
] | [
"abov",
"coin cell",
"infrared",
"led",
"MC81F4104",
"pixmob",
"teardown",
"wearable"
] | PixMob units are wearable LED devices intended for crowds of attendees at events like concerts. These devices allow synchronized LED effects throughout the crowd. [yeokm1]
did a teardown
of one obtained from a preview for the 2019 Singapore National Day Parade (NDP), and in the process learned about the devices and the... | 11 | 3 | [
{
"comment_id": "6198024",
"author": "RunnerPack",
"timestamp": "2019-11-26T13:19:00",
"content": "They should scan the emitter like the HTC “lighthouse” tracking system, so they can spatially address “clumps” of “pixmobsters”(?) and use the crowd like a large, low-res display.",
"parent_id": nu... | 1,760,373,675.590549 | ||
https://hackaday.com/2019/11/26/an-epic-quest-to-build-the-perfect-retro-handheld/ | An Epic Quest To Build The Perfect Retro Handheld | Tom Nardi | [
"Games",
"handhelds hacks"
] | [
"emulation",
"handheld",
"Orange Pi",
"retro gaming",
"sla printing"
] | It’s a good time to be a fan of classic video games. Most of us carry around a smartphone that’s more than capable of emulating pretty much everything from the 32-bit era on down, and if you want something a little more official, the big players like Sony and Nintendo have started putting out “retro” versions of their ... | 15 | 10 | [
{
"comment_id": "6198009",
"author": "McNugget",
"timestamp": "2019-11-26T10:53:59",
"content": "Element 14 needs to hire this guy! We need a new Ben Heck!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6198025",
"author": "Ruzzolo",
"timestamp": "2019... | 1,760,373,675.64784 | ||
https://hackaday.com/2019/11/25/atx2at-makes-retrocomputing-safer-heads-to-kickstarter/ | ATX2AT Makes Retrocomputing Safer, Heads To Kickstarter | Donald Papp | [
"Crowd Funding",
"Retrocomputing"
] | [
"atx2at",
"kickstarter",
"power supply",
"retrocomputing",
"vintage"
] | It’s easy to take power supplies for granted in modern computing, but powering vintage hardware is not always so simple or worry-free. The power supplies for old electronics are themselves vintage, and the hardware being powered can be quite precious. A power problem can easily cause fried components and burned traces ... | 21 | 6 | [
{
"comment_id": "6197980",
"author": "RetiredHobgoblin",
"timestamp": "2019-11-26T07:41:28",
"content": "No UL testing, CE Mark, or FCC approval. Looks as safe as Chinesium, just with his words to back it up.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61... | 1,760,373,675.785405 | ||
https://hackaday.com/2019/11/25/barcaderator-is-coin-op-arcade-up-top-and-kegerator-down-below/ | Barcaderator Is Coin-Op Arcade Up Top And Kegerator Down Below | Jenny List | [
"Games"
] | [
"arcade",
"kegerator",
"mame"
] | It’s a common sight in our community for a life-expired arcade cabinet to be repurposed as a MAME cabinet with an up-to-date screen and other internals. Many of us have had some fun pursuing high scores in a hackerspace somewhere, and even if they don’t have the screen burn and annoying need for cash of the originals t... | 11 | 6 | [
{
"comment_id": "6197947",
"author": "Jerry",
"timestamp": "2019-11-26T03:44:54",
"content": "I’d Tap That!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197959",
"author": "Saabman",
"timestamp": "2019-11-26T05:02:14",
"content": "I wouldn’t “ta... | 1,760,373,675.838244 | ||
https://hackaday.com/2019/11/25/microphone-isolation-shield-is-a-great-ikea-hack-definitely-not-a-xenomorph-egg/ | Microphone Isolation Shield Is A Great IKEA Hack; Definitely Not A Xenomorph Egg | Lewin Day | [
"digital audio hacks",
"Misc Hacks"
] | [
"ikea",
"ikea hacks"
] | As any content creator knows, good audio is the key to maintaining an audience. Having a high quality microphone is a start, but it’s also necessary to reduce echoes and other unwanted noise. An isolation shield is key here,
and [phico] has the low down on making your own.
The build starts with an IKEA lampshade, so it... | 20 | 9 | [
{
"comment_id": "6197960",
"author": "gregg4",
"timestamp": "2019-11-26T05:11:25",
"content": "Actually it does look like a hatched xenomorh egg. As it happens the facehugger aliens arrive from them….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197985",
... | 1,760,373,675.724129 | ||
https://hackaday.com/2019/11/25/robotic-skin-sees-when-and-how-youre-touching-it/ | Robotic Skin Sees When (and How) You’re Touching It | Sharon Lin | [
"digital cameras hacks",
"Robots Hacks"
] | [
"cameras",
"ETH Zurich",
"Jetson Nano",
"neural network",
"Raspberry pi camera",
"research",
"robotic skin",
"sensor",
"silicone",
"tactile sensor"
] | Cameras are getting less and less conspicuous. Now they’re hiding under the skin of robots.
A team of researchers from ETH Zurich in Switzerland have recently created a
multi-camera optical tactile sensor
that is able to monitor the space around it based on contact force distribution. The sensor uses a stack up involvi... | 2 | 2 | [
{
"comment_id": "6198008",
"author": "Daid",
"timestamp": "2019-11-26T10:43:41",
"content": "At 17mm, this is really thick “skin”. While not saying it isn’t useful tech, calling it skin is a bit odd, if it is thicker then my finger…",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,373,676.140122 | ||
https://hackaday.com/2019/11/25/mike-harrison-knows-everything-about-leds/ | Mike Harrison Knows Everything About LEDs | Jenny List | [
"cons",
"Hackaday Columns",
"LED Hacks"
] | [
"2019 Hackaday Superconference",
"led",
"Mike Harrison"
] | Driving an LED and making it flash is probably the first project that most people will have attempted when learning about microprocessor control of hardware. The Arduino and similar boards have an LED fitted, and turning it on and off is a simple introduction to code. So it’s fair to say that many of us will think we h... | 19 | 6 | [
{
"comment_id": "6197875",
"author": "Luke",
"timestamp": "2019-11-25T20:32:13",
"content": "The high voltage trick doesn’t really work for many types of chips. If you try to do it on an Arduino for example, the input protection diodes allow current to leak to the +5 V supply, so you can’t actually ... | 1,760,373,676.291197 | ||
https://hackaday.com/2019/11/25/new-silicon-carbide-semiconductors-bring-ev-efficiency-gains/ | New Silicon Carbide Semiconductors Bring EV Efficiency Gains | Lewin Day | [
"car hacks",
"Science",
"Slider"
] | [
"breakdown voltage",
"electric vehicles",
"mosfet",
"semiconductor",
"semiconductors",
"silicon",
"silicon carbide"
] | After spending much of the 20th century languishing in development hell, electric cars have finally hit the roads in a big way. Automakers are working feverishly to improve range and recharge times to make vehicles more palatable to consumers.
With a strong base of sales and increased uncertainty about the future of fo... | 47 | 6 | [
{
"comment_id": "6197853",
"author": "BiOzZ",
"timestamp": "2019-11-25T18:28:36",
"content": "I used my first SiC MOSFET way back in 2013 and I was stunned by its speed and efficiency at such high operating voltagesA single mosfet switching 900v quick enough and efficiently enough to handle 18khz wi... | 1,760,373,676.229923 | ||
https://hackaday.com/2019/11/25/patrol-the-sprawl-with-this-battle-ready-cyberdeck/ | Patrol The Sprawl With This Battle Ready Cyberdeck | Tom Nardi | [
"Cyberdecks",
"Raspberry Pi"
] | [
"cyberdeck",
"cyberpunk",
"military",
"neuromancer",
"science fiction",
"weathering",
"William Gibson"
] | The recent crop of cyberdeck builds are inspired, at least tangentially, by William Gibson’s novel
Neuromancer
and its subsequent sequels. In the novels, the decks are used as mobile terminals to access the virtual reality of cyberspace. In our world, they’re usually just quasi-retro boxes with Raspberry Pis in them. A... | 26 | 8 | [
{
"comment_id": "6197834",
"author": "Chris Krunklestein",
"timestamp": "2019-11-25T16:54:47",
"content": "Very nice work here, mistakes (although mostly unnoticeable) and all. Great attention to detail and functionality.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,373,676.097862 | ||
https://hackaday.com/2019/11/24/keeping-time-with-blinkenlights/ | Keeping Time With Blinkenlights | Tom Nardi | [
"Arduino Hacks",
"clock hacks"
] | [
"binary clock",
"clock",
"DS3231",
"GPS clock",
"led",
"pro micro",
"RGB LED"
] | If we’ve learned anything over the years, it’s that hackers like weird clocks, and they
love
packing as many multicolored LEDs into a device as is humanly possible. Combine both of those concepts into one project, and you’ve got a perfect storm. So as far as unnecessarily complex timepieces go, we’d say the
“Crazy Cloc... | 10 | 4 | [
{
"comment_id": "6197646",
"author": "Pekka",
"timestamp": "2019-11-24T18:21:27",
"content": "The time on the circular panel is quite hard to read. Slower than reading the digital and certainly slower than an analogue clock. Binary is pretty cool though, works well for what it is.",
"parent_id":... | 1,760,373,676.341923 | ||
https://hackaday.com/2019/11/24/cheating-at-bowling-the-hacker-way/ | Cheating At Bowling, The Hacker Way | Danie Conradie | [
"Tech Hacks"
] | [
"accelerometer",
"arduino",
"bowling",
"IMU",
"nRF24L01+"
] | Anyone who has ever gone to a bowling alley will know the preferred (but ineffective) technique to telepathically control a bowling ball. [Mark Rober] and [James Bruton] decided to change that and
hacked a bowling ball that can be steered remotely
(and discreetly), simply by leaning your body.
They started with a stand... | 19 | 9 | [
{
"comment_id": "6197622",
"author": "Mughty Winky",
"timestamp": "2019-11-24T15:14:59",
"content": "Any sufficiently advanced technology is indistinguishable from magic :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197630",
"author": "Jan",
"ti... | 1,760,373,676.399746 | ||
https://hackaday.com/2019/11/24/object-tracking-camera-slider-gets-the-nice-shots/ | Object Tracking Camera Slider Gets The Nice Shots | Lewin Day | [
"Misc Hacks"
] | [
"camera",
"camera slider",
"slider"
] | In this day and age, where all leisure activities must be duly captured and monetized online, camera sliders are hot items. Many start with a simple manual build, before graduating to something motorized for more flexibility. [Saral Tayal] took things a step further,
implementing a basic tracking mode for even sweeter ... | 1 | 1 | [
{
"comment_id": "6197755",
"author": "Thomas SEBASTIAN",
"timestamp": "2019-11-25T09:06:40",
"content": "Nice build! I see one missing point: Its not possible to change the on th build it self. So a small extra slider would be required to fix this small issue. But this issue might be visible/noticed... | 1,760,373,676.870741 | ||
https://hackaday.com/2019/11/24/mimic-artfully-employs-leds-in-fashion/ | Mimic Artfully Employs LEDs In Fashion | Lewin Day | [
"Wearable Hacks"
] | [
"glowables",
"led",
"wearable"
] | Any science fiction piece set in the near-future involves clothes that light up or otherwise have some form of electronics inside. This hasn’t happened in mainstream fashion just yet, but [Amped Atelier] are doing serious work in the field.
Mimic
was their entry for the 2016 MakeFashion Gala,
serving as a great example... | 6 | 4 | [
{
"comment_id": "6197616",
"author": "Jerry",
"timestamp": "2019-11-24T14:55:12",
"content": "https://www.youtube.com/watch?v=23aBq1dIK3A",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197617",
"author": "Jerry",
"timestamp": "2019-11-24T14:56:33",
... | 1,760,373,676.441994 | ||
https://hackaday.com/2019/11/23/dambusting-r-c-style/ | Dambusting, R/C Style | Dan Maloney | [
"Misc Hacks"
] | [
"angular momentum",
"BLDC",
"bomb",
"dam buster",
"Lancaster",
"R/C",
"servo"
] | Disclaimer: no dams were actually busted in the making of the video below. But that doesn’t mean that
a scale-model homage to the WWII Dam Busters and their “Bouncing Bombs”
isn’t worth doing, of course.
In
a war filled with hacks
, [Barnes Wallis]’ Bouncing Bomb concept might just be the hackiest. In the video below, ... | 22 | 10 | [
{
"comment_id": "6197575",
"author": "Jibé",
"timestamp": "2019-11-24T06:52:55",
"content": "Amazing projects, both the WWII-era one AND this one.I did not think it would be possible to achieve this using scale models.Well done guys, special congrats to the Lanc model.",
"parent_id": null,
"... | 1,760,373,676.586162 | ||
https://hackaday.com/2019/11/23/hacking-surgery-suspended-animation-may-be-here/ | Hacking Surgery: Suspended Animation May Be Here | Al Williams | [
"Medical Hacks"
] | [
"medical",
"surgery",
"suspended animation",
"trauma"
] | Suspended animation is a staple of science fiction. Need to take a 200 year trip to another star system? Go to sleep in some sort of high-tech coccoon and wake up at your destination. We saw it in Star Trek, 2001, and many other places. Doctors at the University of Maryland have reprtedly put
at least one patient in su... | 25 | 12 | [
{
"comment_id": "6197563",
"author": "Edgee",
"timestamp": "2019-11-24T03:45:04",
"content": "One word: Somec",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197790",
"author": "jogjib",
"timestamp": "2019-11-25T12:46:08",
"content": ... | 1,760,373,676.64863 | ||
https://hackaday.com/2019/11/23/a-3d-printer-scratch-built-for-your-viewing-pleasure/ | A 3D Printer Scratch Built For Your Viewing Pleasure | Tom Nardi | [
"3d Printer hacks",
"Video Hacks"
] | [
"3d printer",
"aluminum extrusion",
"scratch built",
"tutorial",
"video series"
] | Today it’s almost always cheaper to buy an imported 3D printer kit than it is to source your own parts and build one yourself. But that doesn’t stop people from doing it anyway. Whether they’re looking for something a bit more solid, or just want to do things their own way, there are still valid reasons to design and b... | 14 | 2 | [
{
"comment_id": "6197569",
"author": "neimad",
"timestamp": "2019-11-24T05:04:37",
"content": "After assembling the Ender 3, i’m surprised we didn’t have these things 30 years ago. I could easily see a younger me hooking up a 3d printer to my commodore 64. There’s no reason the C64 couldn’t control ... | 1,760,373,676.700782 | ||
https://hackaday.com/2019/11/23/if-you-need-a-measurement-tool-just-build-a-measurement-tool/ | If You Need A Measurement Tool Just Build A Measurement Tool | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"current",
"custom",
"Feather",
"logger",
"measurement",
"tool",
"voltage"
] | [Darlan Johnson] was working on a wearable project and needed a way to measure the change in
voltage and current over time.
Most measurement tools are designed to take snapshots of a system’s state in a very small window of time, but there are few common ones designed to observe and log longer periods. It’s an interest... | 14 | 8 | [
{
"comment_id": "6197513",
"author": "darius",
"timestamp": "2019-11-23T21:38:17",
"content": "No need to keep Li-Po battery in outside",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197543",
"author": "RW ver 0.0.1",
"timestamp": "2019-11-2... | 1,760,373,677.085969 | ||
https://hackaday.com/2019/11/23/new-part-day-the-bizen-transistor/ | New Part Day: The Bizen Transistor | Jenny List | [
"Parts"
] | [
"bizen",
"semiconductors",
"transistor"
] | If we had a dollar for every exciting new device that’s promised to change everything but we never hear of beyond the initial hoopla, we’d own our own private islands in the sun from the beaches of which we’d pick out Hackaday stories with diamond-encrusted keyboards. The electronic engineering press likes to talk abou... | 64 | 22 | [
{
"comment_id": "6197461",
"author": "zardam",
"timestamp": "2019-11-23T18:07:49",
"content": "“logic hate” ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197470",
"author": "osprey",
"timestamp": "2019-11-23T18:31:48",
"content": ... | 1,760,373,676.967845 | ||
https://hackaday.com/2019/11/23/theres-life-in-that-beard-trimmer-yet/ | There’s Life In That Beard Trimmer Yet! | Jenny List | [
"Repair Hacks"
] | [
"beard trimmer",
"charger",
"nimh",
"razor"
] | You just can’t get a decent beard trimmer these days! At least that’s what [Peter Franck] found
when his trusty Panasonic finally expired
after a couple of decades and a few replacement batteries. The shaver’s PCB contained a mains-powered NiCd charger which had comprehensively released its magic smoke, and the expensi... | 33 | 14 | [
{
"comment_id": "6197436",
"author": "Jerry",
"timestamp": "2019-11-23T15:13:15",
"content": "HmmI would have upgraded the motor to one of my spare slot car motors.That OEM motor is lowest bid for sure.On a related note, I tossed my 15 year old Wahl trimmer yesterday.Target had a new one.Perhaps I’l... | 1,760,373,677.036743 | ||
https://hackaday.com/2019/11/23/how-to-3d-print-your-identical-twin/ | How To 3D Print Your Identical Twin | Lewin Day | [
"3d Printer hacks"
] | [
"3d body scanner",
"3d printing",
"3d scanning",
"large format",
"replica"
] | It’s possible to have an enjoyable weekend touring a city with a stolen cardboard cutout from some advertising display or other. However, it’s 2019, and 3D printing means you can go so much further. [Simon] of RCLifeOn went so far as to print a lifesized body double of himself,
and it’s only slightly creepy!
(Video, em... | 10 | 9 | [
{
"comment_id": "6197440",
"author": "CMH62",
"timestamp": "2019-11-23T15:35:18",
"content": "A fun and silly project! Thanks for making me laugh and smile on a Sat. morning, Lewin!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197444",
"author": "Nate ... | 1,760,373,677.148269 | ||
https://hackaday.com/2019/11/23/irene-goes-around/ | IREnE Goes Around | Richard Baguley | [
"3d Printer hacks",
"digital cameras hacks"
] | [
"jd0g",
"timelapse"
] | Timelapse rigs are awesome because you can spice up your videos with more interesting panning and tilting timelapse shots. So, why not build yourself one? That’s what [td0g] decided to do, and the result is
IREnE
, a rather nice homemade 3DOF rig that fits onto a standard tripod. 3DOF means that it has three degrees of... | 3 | 2 | [
{
"comment_id": "6197427",
"author": "DKE",
"timestamp": "2019-11-23T13:24:11",
"content": "Maybe I haven’t had enough coffee yet, but I just read the article and watched the video and had no sense of what the devices axis of motion were. This picture on the project web page was far more informative... | 1,760,373,677.360461 | ||
https://hackaday.com/2019/11/22/echo-and-reverb-in-a-pretty-little-box/ | Echo And Reverb In A Pretty Little Box | Lewin Day | [
"Musical Hacks"
] | [
"delay",
"echo",
"reverb"
] | These days, if there’s a chip worth using, there will be a cheap pre-built module on eBay to make using it even easier. It’s a great time saver, and projects that used to take a couple of weekends can now be completed in a rainy afternoon. [lonesoulsurfer] knows how it is,
and took advantage of this very approach to bu... | 4 | 3 | [
{
"comment_id": "6197501",
"author": "KenN",
"timestamp": "2019-11-23T20:06:57",
"content": "Audio hair-splitting:Delay: a sound is played later by a specified time. So, combined with the original, you hear a doubling, a fattening, or a distinct repeat, depending on the length of the delay.Echo: as ... | 1,760,373,677.406321 | ||
https://hackaday.com/2019/11/22/replica-marshmello-helmet-is-a-tidy-halloween-build/ | Replica Marshmello Helmet Is A Tidy Halloween Build | Lewin Day | [
"Art",
"LED Hacks"
] | [
"helmet",
"led",
"marshmello"
] | As the saying goes – you don’t need a stylized, bedazzled helmet to have a successful career in EDM, but it helps. Marshmello is the latest in a long line of musicians to sport bespoke headgear,
and [MikeTheSuperDad] undertook the construction of a replica for Halloween.
The build starts with a piece of concrete form t... | 2 | 2 | [
{
"comment_id": "6197400",
"author": "Consulting Joe",
"timestamp": "2019-11-23T05:57:04",
"content": "Nice. I was just thinking of making a marshmallo mask, great build.http://consultingJoe.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197446",
"aut... | 1,760,373,677.443543 | ||
https://hackaday.com/2019/11/25/tales-from-the-sysadmin-dumped-into-the-grub-command-line/ | Tales From The Sysadmin: Dumped Into The Grub Command Line | Jonathan Bennett | [
"Hackaday Columns",
"Linux Hacks",
"Original Art",
"Skills",
"Slider"
] | [
"grub",
"linux",
"Tales from the Sysadmin",
"Tech Noir"
] | Today I have a tale of mystery, of horror, and of hope. The allure of a newer kernel and packages was too much to resist, so I found myself upgrading to Fedora 30. All the packages had downloaded, all that was left was to let DNF reboot the machine and install all the new packages. I started the process and meandered o... | 53 | 9 | [
{
"comment_id": "6197810",
"author": "geocrasher",
"timestamp": "2019-11-25T15:29:44",
"content": "GRUB: At least it’s not LiLo",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197813",
"author": "epitaxial",
"timestamp": "2019-11-25T15:35:32"... | 1,760,373,677.533967 | ||
https://hackaday.com/2019/11/25/wipe-your-nozzle-to-avoid-stringing/ | Wipe Your Nozzle To Avoid Stringing | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"nozzle brush",
"PETG"
] | [Design Prototype Test] likes his Ender 3 printer. There was only one problem. When printing PETG — which is notorious for stringing — the hot end would pick up material and eventually ruin the print. The answer was to mount a cheap Harbor Freight brush somewhere and make the
head pass over it after each layer
. You ca... | 21 | 8 | [
{
"comment_id": "6197783",
"author": "Telimektar",
"timestamp": "2019-11-25T12:09:11",
"content": "Marlin firmware already have a option to brush a nozzle integrated inside. Thingiverse is also full of brush holders for most favorite printers today.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,373,677.296994 | ||
https://hackaday.com/2019/11/25/incredibly-tiny-rf-antennas-for-practical-nanotech-radios/ | Incredibly Tiny RF Antennas For Practical Nanotech Radios | Sharon Lin | [
"Radio Hacks"
] | [
"antenna",
"communication",
"nanotechnology",
"research"
] | Researchers may have created the smallest-ever radio-frequency antennas, a development that should be of interest to any nanotechnology enthusiasts. A group of scientists from Korea published a paper in
ACS Nano
that details the fabrication of a
two-dimensional radio-frequency antenna
for wearable applications. Most an... | 18 | 6 | [
{
"comment_id": "6197763",
"author": "deshipu",
"timestamp": "2019-11-25T09:25:48",
"content": "Wait, what does 10×10mm² mean exactly? Wouldn’t it be 4-dimensional?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197774",
"author": "Cesar",
"... | 1,760,373,677.592948 | ||
https://hackaday.com/2019/11/24/ai-phone-app-learns-baseball-signals/ | AI Phone App Learns Baseball Signals | Al Williams | [
"Machine Learning"
] | [
"baseball",
"machine learning",
"SDEC",
"sequence domain ecompassed correlations",
"tensorflow"
] | Watching a sport can be a bit odd if you aren’t familiar with it. Most Americans, for example, would think a cricket match looked funny because they don’t know the rules. If you were not familiar with baseball, you might wonder why one of the coaches was waving his hands around, touching his nose, his ears, and his hat... | 1 | 1 | [
{
"comment_id": "6197942",
"author": "Martin Glob",
"timestamp": "2019-11-26T02:58:01",
"content": "This is simply one of the best ML example I have ever seen!Respect!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,677.632607 | ||
https://hackaday.com/2019/11/24/secret-c64-program-found-on-a-christian-rock-bands-vinyl-record/ | Secret C64 Program Found On A Christian Rock Band’s Vinyl Record | Sharon Lin | [
"hardware",
"how-to"
] | [
"audio",
"commodore 64",
"music",
"record"
] | How often do you find Easter eggs in old vinyl records?
It sure was a surprise for [Robin Harbron] when he learned about a Commodore 64 program
hidden on one of the sides
of a record from the 1985 album of Christian rock band Prodigal. The host of the YouTube channel
8-Bit Show and Tell
shows the “C-64” etching on one ... | 29 | 17 | [
{
"comment_id": "6197714",
"author": "Ren",
"timestamp": "2019-11-25T04:11:04",
"content": "Checking my collection…Nope, no Prodigal…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197732",
"author": "qwert",
"timestamp": "2019-11-25T05:51:2... | 1,760,373,677.707194 | ||
https://hackaday.com/2019/11/24/hackaday-links-november-24-2019/ | Hackaday Links: November 24, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"2019 Hackaday Superconference",
"debian",
"extrusion",
"hackaday links",
"multichannel",
"New Part Day",
"satellite",
"sparklecon",
"unix",
"youtube"
] | It barely seems like it, but it’s been a week since the 2019 Hackaday Superconference wrapped up in sunny Pasadena. It was an amazing weekend, filled with fun, food, camaraderie, and hacks galore. For all who were there, it’ll likely take quite some time before spinning down to Earth again from the post-con high. For t... | 2 | 1 | [
{
"comment_id": "6197744",
"author": "Capacitor",
"timestamp": "2019-11-25T08:22:32",
"content": "The idea of this Thermal Jumper Chip seems nice, but to isolate a TO220 package, wouldn’t it be more straightforward to use an isolator like this one:http://www.farnell.com/datasheets/1661942.pdfbetween... | 1,760,373,677.85467 | ||
https://hackaday.com/2019/11/24/instabeat-started-out-of-spite/ | InstaBeat Started Out Of Spite | Gerrit Coetzee | [
"digital audio hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"audio",
"beatles",
"stem"
] | [Tom] teaches electronics with this
small programmable MP3 player
, but it didn’t get its start as a teaching tool.
As all parents are sometimes required to do, [Tom] was acting as chauffeur for his daughter and his friends. When he played the Beatles one of his passengers informed him that she was completely devoid of... | 27 | 11 | [
{
"comment_id": "6197665",
"author": "Tom",
"timestamp": "2019-11-24T21:17:26",
"content": "” chauffeur for his daughter and his friends” you say “his friends” implying Tom’s friends but contextually you mean “her friends”. You might want to clarify the sentence.",
"parent_id": null,
"depth"... | 1,760,373,677.91729 | ||
https://hackaday.com/2019/11/22/icosahedron-glows-with-the-best-of-them/ | Icosahedron Glows With The Best Of Them | Lewin Day | [
"LED Hacks"
] | [
"led",
"neopixel",
"ws2812"
] | Glowables come in all shapes and sizes, and we’re always keen to see the multitude of different ways hackers find to put great masses of LEDs to good use. [cabrera.101] wanted to get in on the action,
and whipped up a rather flashy icosahedron.
The build uses high-density 144-LED-per-meter strips for the edges, with 60... | 1 | 1 | [
{
"comment_id": "6197373",
"author": "LordNothing",
"timestamp": "2019-11-23T00:07:01",
"content": "kinda looks like one of the polywell experimental designs.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,677.960449 | ||
https://hackaday.com/2019/11/22/feel-the-virtual-road-with-force-feedback/ | Feel The Virtual Road With Force Feedback | Gerrit Coetzee | [
"Games",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"force feedback",
"racing",
"simulator"
] | When you’re driving your virtual supercar around the Italian countryside the last thing you want is an inauthentic steering wheel feel, that’s where
Open FFBoard
comes in. Racing game enthusiasts will go to impossible and sometimes
incredibly expensive
lengths to build extravagant simulators. [Yannick] feels many of th... | 7 | 6 | [
{
"comment_id": "6197354",
"author": "McNugget",
"timestamp": "2019-11-22T21:20:23",
"content": "That’s pretty cool. I’ve never seen a force feedback wheel that does quite all that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197357",
"author": "toff",... | 1,760,373,678.003718 | ||
https://hackaday.com/2019/11/22/thea-flowers-creating-a-sega-inspired-hardware-synthesizer-from-the-ground-up/ | Thea Flowers – Creating A Sega-Inspired Hardware Synthesizer From The Ground Up | Lewin Day | [
"cons",
"Musical Hacks"
] | [
"2019 Hackaday Superconference",
"genesis",
"Hackaday Supercon",
"sega",
"sega genesis",
"thea flowers",
"YM2612"
] | For those who grew up with video games, the legendary sounds of consoles past are an instant nostalgia hit. [Thea Flowers] first got her hands on a gamepad playing Sonic the Hedgehog, so the sounds of the Sega Genesis hold a special place in her heart. Decades later, this inspired the creation of Genesynth, a hardware ... | 5 | 5 | [
{
"comment_id": "6197348",
"author": "nihilazo",
"timestamp": "2019-11-22T20:43:03",
"content": "Great talk, Great synth, but there are some issues with the recording of the talk – the audio has some distortion and the video appears poorly interlaced.",
"parent_id": null,
"depth": 1,
"re... | 1,760,373,678.054875 | ||
https://hackaday.com/2019/11/22/east-coast-reprap-festival-comes-alive-in-second-year/ | East Coast RepRap Festival Comes Alive In Second Year | Tom Nardi | [
"3d Printer hacks",
"cons",
"Slider"
] | [
"3d printing",
"art",
"East Coast RepRap Festival",
"ERRF",
"ERRF 19",
"printrbot",
"printrbot mod",
"props",
"self-replicating"
] | By pretty much any metric you care to use, the inaugural East Coast RepRap Festival (ERRF) in 2018 was an incredible success. There was plenty to see, the venue was accommodating, and the ticket prices were exceptionally reasonable. But being a first-time event, there was an understandable amount of trepidation from bo... | 2 | 2 | [
{
"comment_id": "6197391",
"author": "Mike Molinari aka:MMISCOOL",
"timestamp": "2019-11-23T02:47:43",
"content": "ERRF was a lot of fun this year. Seems like it might be bigger next year. We had our Autodrop3d table upstairs this year.",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,373,678.278014 | ||
https://hackaday.com/2019/11/22/hackaday-podcast-ep-044-superconference-special/ | Hackaday Podcast 044: Supercon 2019 Special | Elliot Williams | [
"cons",
"Podcasts"
] | [
"2019 Hackaday Superconference",
"Hackaday Podcast",
"interviews",
"prizes"
] | Half of the Hackaday writing staff was at the 2019 Hackaday Supercon this weekend, and our own Kerry Scharfglass took the opportunity to interview everyone. Meanwhile, Elliot wandered around the soldering irons just about two hours before the Badge Hacking Ceremony, collecting stories of projects that worked, and those... | 5 | 3 | [
{
"comment_id": "6197330",
"author": "Luke",
"timestamp": "2019-11-22T17:52:09",
"content": "“Oops, we couldn’t find that track.”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197333",
"author": "Mike Szczys",
"timestamp": "2019-11-22T18:02... | 1,760,373,678.125767 | ||
https://hackaday.com/2019/11/22/cardboard-computer-replica-is-cheap-and-easy-to-make/ | Cardboard Computer Replica Is Cheap And Easy To Make | Lewin Day | [
"classic hacks",
"Retrocomputing"
] | [
"cardboard computer",
"cardiac"
] | Replicating 1960s-era computer hardware can be a daunting task. Components can be hard to find, schematics thin on the ground, and software near-unobtainable. Of course, not every computer from the decade consisted of expensive high-end electronics – CARDIAC was built out of common cardboard,
and making your own is a c... | 10 | 5 | [
{
"comment_id": "6197312",
"author": "James Williams",
"timestamp": "2019-11-22T16:36:22",
"content": "I still have my original CARDIAC in a box somewhere. There is a simulator on line athttps://www.cs.drexel.edu/~bls96/museum/cardsim.html",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,678.172845 | ||
https://hackaday.com/2019/11/22/this-week-in-security-more-whatsapp-nextcry-hover-to-crash-and-android-permissions-bypass/ | This Week In Security: More WhatsApp, Nextcry, Hover To Crash, And Android Permissions Bypass | Jonathan Bennett | [
"computer hacks",
"News",
"Security Hacks",
"Slider"
] | [
"android",
"Nextcloud",
"This Week in Security",
"WhatsApp"
] | There is another WhatsApp flaw, but instead of malicious GIFs, this time it’s malicious mp4 files. Facebook
announced the vulnerability
late last week. An update has been released, so first go make sure WhatsApp is updated. Facebook’s advisory is a bit light on the details, simply saying that a “stack-based buffer over... | 7 | 1 | [
{
"comment_id": "6197314",
"author": "Alexander Wikström",
"timestamp": "2019-11-22T16:44:27",
"content": "“Attempting to delete the malicious file will also trigger the kernel crash.”Seems like there is a bigger problem in the system then just this specific file to be fair.After all, the file is no... | 1,760,373,678.226642 | ||
https://hackaday.com/2019/11/22/electric-longboard-quick-build-using-off-the-shelf-components/ | Electric Longboard Quick Build Using Off-The-Shelf Components. | Danie Conradie | [
"Transportation Hacks"
] | [
"battery pack",
"electric longboard",
"electric skateboard",
"esc",
"modules",
"plug and play"
] | Building cool things completely from scratch is undeniably satisfying and makes for excellent Hackaday posts, but usually involve a few unexpected speed humps, which often causes projects to be abandoned. If you just want to get something working, using off-the-shelf modules can drastically reduce frustration and incre... | 13 | 7 | [
{
"comment_id": "6197277",
"author": "sxmwht",
"timestamp": "2019-11-22T14:43:16",
"content": "Another who misses the point. Comments like the above should be filtered as spam",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197286",
"author": "Seth",... | 1,760,373,678.330646 | ||
https://hackaday.com/2019/11/22/a-tiny-terminal-for-your-serial-access-needs/ | A Tiny Terminal For Your Serial Access Needs | Jenny List | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"ESP8266",
"serial terminal",
"VT220"
] | Some pieces of computing equipment have faded away without a trace, for example a modem is not a device that detains many hackers as they strive for that perfect emulation of a venerable Hayes on an Arduino. But there are some other devices that continue to hold a fascination, even years after they departed from the pr... | 3 | 3 | [
{
"comment_id": "6197235",
"author": "Andrea Campanella",
"timestamp": "2019-11-22T11:24:41",
"content": "I was litterally looking for this for my RC2014.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197306",
"author": "Josh Bensadon",
"timestamp": ... | 1,760,373,678.494587 | ||
https://hackaday.com/2019/11/21/circuitpython-sculpture-clock-adds-character-to-any-desk/ | CircuitPython Sculpture Clock Adds Character To Any Desk | Kristina Panos | [
"clock hacks"
] | [
"brass rod",
"Circuit Sculpture",
"circuit snek",
"CircuitPython"
] | We can probably all relate to the origin story of this one. [Alex] was working on a bigger, more involved clock project when
this cute little desk clock idea
caught his mind’s eye. Who wouldn’t want a clock with character and a little bit of an attitude?
This little guy’s brain is an ItsyBitsy M0 Express, and he gets h... | 6 | 5 | [
{
"comment_id": "6197179",
"author": "smerrett79",
"timestamp": "2019-11-22T07:07:12",
"content": "Reminds me of Evil Edna from Willow the Wisp!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6197187",
"author": "Jack",
"timestamp": "2019-11-22T08:15:1... | 1,760,373,678.457394 | ||
https://hackaday.com/2019/11/21/creating-lookalike-valves-with-resin-casting/ | Creating Lookalike Valves With Resin Casting | Lewin Day | [
"LED Hacks"
] | [
"led",
"resin",
"resin casting",
"valve"
] | Valves (tubes) certainly have a die hard fan base in the electronic community, praised for their warm sound, desirable distortion characteristics and attractive aesthetic. However, sometimes you just want the look of a valve for a prop or a toy, without actually needing the functionality. For those cases,
this project ... | 10 | 6 | [
{
"comment_id": "6197160",
"author": "phase2682",
"timestamp": "2019-11-22T05:11:02",
"content": "why is it flickering? Not a nominal tube filament action.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197186",
"author": "Jan",
"timestamp"... | 1,760,373,680.770387 | ||
https://hackaday.com/2019/11/21/building-a-front-panel-for-the-rc2014-computer/ | Building A Front Panel For The RC2014 Computer | Tom Nardi | [
"computer hacks",
"Retrocomputing"
] | [
"blinkenlights",
"front panel",
"RC2014",
"retrocomputer"
] | The RC2014 is a slick Z80 computer kit that’s graced these pages a number of times in the past. It allows anyone with a soldering iron and a USB-to-serial adapter to experience the thrill of early 1980s desktop computing. But what if you’re looking for an even
more
vintage experience? In that case,
this custom RC2014 f... | 6 | 3 | [
{
"comment_id": "6197134",
"author": "Peter_S",
"timestamp": "2019-11-22T01:09:55",
"content": "Way to small. ;-)Try this:https://abload.de/img/zwkwvj2d.jpgOccupies a door only.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197239",
"author": "prob... | 1,760,373,680.291105 | ||
https://hackaday.com/2019/11/21/casting-gears-at-home/ | Casting Gears At Home | Lewin Day | [
"Tool Hacks"
] | [
"aluminium casting",
"cast gear",
"casting",
"gear"
] | Automatic doors and gates are great, except when they fail, which seems to be about every three days in our experience. [MAD WHEEL] had just such a failure, with a plastic gear being the culprit. Rather than buy a new drive unit,
they set about casting a replacement in metal.
The video is light on instructions and heav... | 45 | 14 | [
{
"comment_id": "6197088",
"author": "Saabman",
"timestamp": "2019-11-21T21:17:37",
"content": "If they did use a plastic key or some other replaceable fail safe component then they wouldn’t get to sell you a whole new unit",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,373,680.244133 | ||
https://hackaday.com/2019/11/21/little-flash-charges-in-40-seconds-thanks-to-super-capacitors/ | Little Flash Charges In 40 Seconds Thanks To Super Capacitors | Gerrit Coetzee | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"arduino",
"robot",
"simple",
"super capacitor"
] | We’ve all committed the sin of making a little arduino robot and running it off AA batteries.
Little Flash is better than that
and runs off three 350 F capacitors.
In fact, that’s the entire mission of the robot. [Mike Rigsby] wants people to know there’s a better way. What’s really cool is that 10 A for 40 seconds let... | 10 | 4 | [
{
"comment_id": "6197054",
"author": "Alex Rossie",
"timestamp": "2019-11-21T19:49:05",
"content": "What currency is the BOM in? Is that really 96 USD?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197061",
"author": "cb88",
"timestamp": "2... | 1,760,373,680.11156 | ||
https://hackaday.com/2019/11/20/starlink-satellites-posing-issues-for-astronomers/ | Starlink Satellites Posing Issues For Astronomers | Lewin Day | [
"News",
"Science",
"Space"
] | [
"astronomy",
"SpaceX",
"Starlink",
"telescope"
] | Spotting satellites from the ground is a popular pastime among amateur astronomers. Typically, the ISS and Iridium satellites have been common sightings, with their orbits and design causing them to appear sufficiently bright in the sky. More recently,
SpaceX’s mass launches of Starlink satellites have been drawing att... | 118 | 29 | [
{
"comment_id": "6196424",
"author": "Alex Rossie",
"timestamp": "2019-11-20T11:10:05",
"content": "I’d rather they stayed in lower orbit to reduce the risks from space junk.Pointing camera’s at the skies and complaining about the crummy pictures is pretty silly. If it wasn’t for starlink it’d be li... | 1,760,373,680.582199 | ||
https://hackaday.com/2019/11/19/date-clock-requires-almost-no-interaction/ | Date Clock Requires (Almost) No Interaction | Bryan Cockfield | [
"Raspberry Pi"
] | [
"accessibility",
"clock",
"digital",
"elderly",
"planner",
"raspberry pi",
"schedule",
"senior",
"user interface",
"wifi"
] | A lot of commercial offerings of technology aimed at helping the elderly seem to do a good job on the surface, but anything other than superficial interaction with them tends to be next to impossible for its intended users. Complicated user interfaces and poor design consideration reign in this space. [7402] noticed th... | 8 | 4 | [
{
"comment_id": "6196398",
"author": "mime",
"timestamp": "2019-11-20T07:11:21",
"content": "7402.. I suspect that’s a movie reference, but I can’t remember which one that is. Anybody?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6196399",
"author"... | 1,760,373,680.628027 | ||
https://hackaday.com/2019/11/19/advanced-techniques-for-realistic-baking-animations/ | Advanced Techniques For Realistic Baking Animations | Lewin Day | [
"Misc Hacks"
] | [
"baking",
"computer graphics",
"muffins",
"siggraph"
] | Computer graphics have come a long way since the days of Dire Straits and their first computer animated music video in 1985. To move the state of the art forward has taken the labor of countless artists, developers and technicians. Working in just that field, a group from UCLA have developed an advanced system for simu... | 6 | 5 | [
{
"comment_id": "6196380",
"author": "Ostracus",
"timestamp": "2019-11-20T03:57:39",
"content": "“Less filling, taste great.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6196387",
"author": "tekkieneet",
"timestamp": "2019-11-20T05:23:51",
"cont... | 1,760,373,680.159771 | ||
https://hackaday.com/2019/11/19/improved-outdoor-solar-harvester-now-handles-all-the-parts/ | Improved Outdoor Solar Harvester Now Handles All The Parts | Donald Papp | [
"3d Printer hacks",
"green hacks"
] | [
"3d printed",
"charge controller",
"energy harvesting",
"outdoor",
"recharge",
"rechargeable",
"solar",
"weatherproof"
] | [Vadim Panov]’s 3D printed solar harvester is in effect a rechargeable outdoor battery, and the real challenge he faced when designing it was having it handle the outdoors reliably. The good news is that part is solved, and
his newest design
is now also flexible enough to handle a variety of common and economical compo... | 6 | 3 | [
{
"comment_id": "6196414",
"author": "WallyHulea",
"timestamp": "2019-11-20T09:43:23",
"content": "Would be cool if it had one of those magnetic flip dot elements to indicate when the battery is fully charged and ready for harvesting~ Like picking fruit from the orchard of solar harvesters!",
"p... | 1,760,373,680.66822 | ||
https://hackaday.com/2019/11/19/diy-cnc-router-uses-chains-the-right-way/ | DIY CNC Router Uses Chains The Right Way | Lewin Day | [
"cnc hacks"
] | [
"chain",
"cnc",
"DIY CNC"
] | There are a million and one ways to build your own CNC router, depending on your tastes, budget, and application, your design choices will differ accordingly. [Steve Tyng] was well aware of this when undertaking his project,
and built the machine that made sense for him.
[Steve’s] build has a strong focus on keeping co... | 28 | 14 | [
{
"comment_id": "6196353",
"author": "RandyKC",
"timestamp": "2019-11-19T22:19:12",
"content": "“While it’s not an industrial-strength build with world-beating accuracy,“Did you see the accuracy he’s achieved?I’d be satisfied with that. Is it industrial? No, but it’s got some great ideas!Thanks for ... | 1,760,373,680.349905 | ||
https://hackaday.com/2019/11/19/emulating-risc-v-on-an-fpga/ | A Scratch-built RISC-V CPU In An FPGA | Gerrit Coetzee | [
"FPGA",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"emulate",
"fpga",
"lattice",
"RISC-V",
"RISCV"
] | “RISC architecture is going to change everything”, which is why [SHAOS] is building this cool
RISC-V DIY retro-style computer.
The project took inspiration from
another hacker’s work
in building a RISC-V emulator; shared in the Hackaday
FPGA
chat. He took it a bit further and got it going on an UPDuino v2.0 board which... | 17 | 5 | [
{
"comment_id": "6196333",
"author": "Alphatek",
"timestamp": "2019-11-19T20:04:56",
"content": "Surely you mean implementing not emulating?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6196337",
"author": "Jesse Jenkins",
"timestamp": "2019-11-19T20... | 1,760,373,680.063786 | ||
https://hackaday.com/2019/11/19/kicad-action-plugins/ | KiCad Action Plugins | Anool Mahidharia | [
"Hackaday Columns",
"Slider",
"Tool Hacks"
] | [
"Action Plugins",
"eda",
"KiCAD",
"python"
] | The last two years has been a particularly exciting time for KiCad, for users, casual contributors, and for the core developers too. Even so, there are many cool new features that are still in process. One bottleneck with open-source development of complex tools like KiCad is the limited amount of time that developers ... | 47 | 11 | [
{
"comment_id": "6196304",
"author": "CRImier",
"timestamp": "2019-11-19T18:13:50",
"content": "So cool! We use InteractiveHTMLBOM for ZeroPhone, here’s an example:http://assembly.zerophone.org/delta-b/front_pcb/(it’s been compiled long ago, so there might be much more features than in the version w... | 1,760,373,681.028901 | ||
https://hackaday.com/2019/11/21/retrotechtacular-934-mhz-cb-radio/ | Retrotechtacular: 934 MHz CB Radio | Jenny List | [
"Radio Hacks",
"Retrotechtacular",
"Slider"
] | [
"934 MHz",
"cb",
"cb radio",
"uk"
] | The radio spectrum is carefully regulated and divided up by Governments worldwide. Some of it is shared across jurisdictions under the terms of international treaties, while other allocations exist only in individual countries. Often these can contain some surprising oddities, and one of these is our subject today. Did... | 49 | 19 | [
{
"comment_id": "6197032",
"author": "RW ver 0.0.1",
"timestamp": "2019-11-21T18:26:24",
"content": "Half a watt on nearly a Ghz, that must have come in handy for calling the guy across the street when you didn’t feel like yelling out the front window.",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,680.867542 | ||
https://hackaday.com/2019/11/21/gaze-deeply-into-these-infinity-mirror-coasters/ | Gaze Deeply Into These Infinity Mirror Coasters | Tom Nardi | [
"ATtiny Hacks",
"home hacks",
"LED Hacks"
] | [
"3D printed enclosure",
"attiny85",
"coaster",
"infinity mirror",
"RGB LED",
"ws2812b"
] | Infinity mirrors have been gaining in popularity recently, thanks in no small part to the availability of low-cost RGB LED strips to line them with. Generally such pieces are limited to wall art, or the occasional table build, which is what makes these
infinity mirror drink coasters from [MnMakerMan] so unique
.
Built ... | 11 | 5 | [
{
"comment_id": "6197023",
"author": "darius",
"timestamp": "2019-11-21T17:17:53",
"content": "great",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6197046",
"author": "Elmar",
"timestamp": "2019-11-21T19:24:11",
"content": "Astoundin... | 1,760,373,680.927789 | ||
https://hackaday.com/2019/11/21/training-bats-in-the-random-forest-with-the-confusion-matrix/ | Training Bats In The Random Forest With The Confusion Matrix | Pat Whetman | [
"Interest",
"Machine Learning",
"Skills",
"Slider",
"Software Hacks"
] | [
"bats",
"Bioacoustics",
"classification",
"R",
"Random Forest"
] | When exploring the realm of Machine Learning, it’s always nice to have some real and interesting data to work with. That’s where the bats come in – they’re fascinating animals that emit very particular ultrasonic calls that can be recorded and analysed with computer software to get a fairly good idea of what species th... | 4 | 3 | [
{
"comment_id": "6196993",
"author": "Rog Fanther",
"timestamp": "2019-11-21T15:15:07",
"content": "But if you were bitten and has been feeling some aversion to sunlight and garlic, then start negotiating the payments for your new castle. Don´t worry, you can mortgage it for a couple centuries….",
... | 1,760,373,681.101774 | ||
https://hackaday.com/2019/11/21/jackpot-the-trials-and-tribulations-of-turning-a-slot-machine-into-an-atm/ | Jackpot!: The Trials And Tribulations Of Turning A Slot Machine Into An ATM | Danie Conradie | [
"Tech Hacks"
] | [
"arduino",
"atm",
"coin-op",
"slot machine",
"Strange Parts"
] | Have you ever wished that slot machines dispensed money as easily as an ATM? Well so did [Scotty Allen] from Strange Parts, so in collaboration with his friend [Matt] decided to combine the two. After a four-month journey fraught with magic smoke and frustration, they managed to build a fully functional
ATM slot machin... | 15 | 6 | [
{
"comment_id": "6196949",
"author": "Nostromo",
"timestamp": "2019-11-21T13:19:07",
"content": "I just remarked to a fellow slot machine player who was bemoaning his particular machine’s ‘cold streak’ that ‘These things aren’t ATMs!’ Well, well. There were three of us playing side-by-side and he wa... | 1,760,373,681.152653 | ||
https://hackaday.com/2019/11/21/print-from-the-esp8266-courtesy-of-google/ | Print From The ESP8266, Courtesy Of Google | Tom Nardi | [
"internet hacks",
"Microcontrollers",
"Peripherals Hacks"
] | [
"Cloud Print",
"ESP8266",
"google",
"printer",
"remote access"
] | The ESP8266 has become the hacker’s microcontroller of choice because it’s exceptionally easy to get the chip connected to the network and talking to other devices. The fact that it’s also absurdly cheap is just a bonus. Since nearly every piece of electronics you buy today is “smart” enough to include some form of Int... | 23 | 9 | [
{
"comment_id": "6196896",
"author": "ziew",
"timestamp": "2019-11-21T10:39:09",
"content": "Correct me if I’m wrong but ESP8266 merely serves some page, a script and all the printing is done by the browser, right? A window.print() with extra steps?",
"parent_id": null,
"depth": 1,
"repl... | 1,760,373,681.307591 | ||
https://hackaday.com/2019/11/20/diy-photo-backup-in-the-field/ | DIY Photo Backup In The Field | Bryan Cockfield | [
"Raspberry Pi"
] | [
"automation",
"backup",
"camera",
"jump drive",
"little backup box",
"raspberry pi",
"sd card",
"storage"
] | They say a file isn’t backed up if it isn’t backed up twice. This is easy enough to do if you have access to your computer and a network, but if you’re a photographer you might end up in a place without either of these things and need a way to back up the files you just created. For that you’ll need a
specialized photo... | 29 | 13 | [
{
"comment_id": "6196843",
"author": "Perry",
"timestamp": "2019-11-21T07:50:11",
"content": "Here we go again with this PI Zero stuff.In north america A PI Zero cost just as much as a 3B+.At Canadian Tier I can get a 3000 wh Battery Bank That Has a SD, SD Micro, USB N last a USB Micro.You can pres... | 1,760,373,681.237972 | ||
https://hackaday.com/2019/11/20/university-makes-bulletproof-3d-prints/ | University Makes Bulletproof 3D Prints | Al Williams | [
"3d Printer hacks"
] | [
"bulletproof",
"nanotubes",
"tubulanes"
] | Researchers at Rice University are studying 3D printing plastic structures that mimic tubulanes — theoretical nanotube structures predicted to have extraordinary strength. The result has been very strong and very compressible structures that can
actually resist bullets
.
As an experiment, the researchers fired projecti... | 68 | 15 | [
{
"comment_id": "6196780",
"author": "PleaseFactCheckArticles",
"timestamp": "2019-11-21T03:14:40",
"content": "“The result has been very strong and very compressible structures that can actually resist bullets.”@Al, bulletproof is not the same as “bullet resistant”",
"parent_id": null,
"dep... | 1,760,373,681.412805 | ||
https://hackaday.com/2019/11/20/old-cisco-wan-card-turned-fpga-playground/ | Old Cisco WAN Card Turned FPGA Playground | Tom Nardi | [
"FPGA",
"hardware"
] | [
"bitstream",
"cisco",
"fpga",
"jtag",
"repurpose"
] | Many of us think of FPGAs as some new cutting edge technology, but the fact of the matter is that they’ve been around for quite some time. They’ve just traditionally been used in hardware that’s too expensive for us lowly hackers. A case in point is the Cisco HWIC-3G-CDMA WAN card. A decade ago these would have been pa... | 33 | 10 | [
{
"comment_id": "6196741",
"author": "Terry sanford",
"timestamp": "2019-11-21T00:12:41",
"content": "Looking at the size of the fpga I thing resoldering it to a custom board would be a nice challenge and would get me ankle deep in diagram printouts to get my head around things",
"parent_id": nu... | 1,760,373,682.284999 | ||
https://hackaday.com/2019/11/20/vintage-bike-gets-briggs-and-stratton-power/ | Vintage Bike Gets Briggs And Stratton Power | Lewin Day | [
"Transportation Hacks"
] | [
"bicycle",
"Briggs and Stratton",
"motorized bicycle"
] | eBay made the process of motorizing a bicycle popular, with cheap engines from China combined with a handful of parts to lace everything together. If your tastes are a little more vintage however,
[Oliver]’s build might be more your speed.
Starting with a real Briggs and Stratton liberated from an old rotary tiller, th... | 18 | 11 | [
{
"comment_id": "6196688",
"author": "Jerry",
"timestamp": "2019-11-20T21:18:11",
"content": "I’ll just leave this Here.https://youtu.be/NU1bFX-o6Ls",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6196771",
"author": "Dave J.",
"timestamp": "2... | 1,760,373,681.553701 | ||
https://hackaday.com/2019/11/20/open-source-kitchen-helps-you-watch-what-you-eat/ | Open Source Kitchen Helps You Watch What You Eat | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"camera",
"computer vision",
"NVIDIA",
"Nvidia Jetson",
"Nvidia Jetson Nano",
"open source",
"Open Source Kitchen",
"OSK",
"standards"
] | Every appliance business wants to be the one that invents the patented, license-able, and profitable standard that all the other companies have to use.
Open Source Kitchen wants to beat them to it.
Every beginning standard needs a test case, and OSK’s is a simple one. A bowl that tracks what you eat. While a simple con... | 6 | 5 | [
{
"comment_id": "6196655",
"author": "Ren",
"timestamp": "2019-11-20T20:04:31",
"content": "For an Open Source Kitchen, I would expect the first thing to develop would be a refrigerator.A number of mfgrs already have “connected” fridges, putting a “standard” there would show that you are serious.But... | 1,760,373,681.595917 | ||
https://hackaday.com/2019/11/20/texas-tesla-tower-titillates/ | Texas Tesla Tower Titillates | Al Williams | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"power",
"tesla",
"textas",
"tower",
"wardenclyffe tower",
"Wireless power",
"zenneck"
] | One of the nice things about a road trip is you often get to see something that really surprises you. A recent trip through Texas may have resulted in my second most surprising sighting. There’s a strange tower that looks oddly like a Tesla tower in the middle of rural Texas, right off the main interstate. What is it? ... | 109 | 22 | [
{
"comment_id": "6196570",
"author": "qwert",
"timestamp": "2019-11-20T18:10:22",
"content": "Whoa, this is pretty cool. I might drive over there and check it out sometime. Not too far away.I, too, have to wonder how much of it is legitimate science and how much of it is alternative energy conspirac... | 1,760,373,681.884395 | ||
https://hackaday.com/2019/11/20/fast-fresnel-hack-embiggens-the-smallest-of-heads/ | Fast Fresnel Hack Embiggens The Smallest Of Heads | Dan Maloney | [
"Wearable Hacks"
] | [
"cosplay",
"costume",
"fresnel",
"led",
"optics"
] | Aside from frightening small children, we have absolutely no idea why anyone would need
a face-magnifying headpiece
. But the video below gives us a chuckle every time we see it, and we figure a good laugh that incorporates a quick optics hack is worth a look.
When he’s not playing geek in a box, [Curious Marc]’s video... | 17 | 8 | [
{
"comment_id": "6196609",
"author": "reg",
"timestamp": "2019-11-20T19:02:03",
"content": "I like it, but I am surprised that he did not figure out that it is much easier to cut cardboard than plastic. In the build I would have modified the box to hold the lens instead of chopping the lens to fit ... | 1,760,373,681.64949 | ||
https://hackaday.com/2019/11/20/brussels-looks-towards-banning-fossil-fuel-transportation-as-soon-as-2035/ | Brussels Looks Towards Banning Fossil Fuel Transportation As Soon As 2035 | Lewin Day | [
"car hacks",
"Current Events",
"Featured",
"green hacks",
"Slider"
] | [
"electric vehicle",
"zero emission"
] | Many cities around the world routinely struggle with smog. Apart from being unsightly, heavy air pollution has serious negative health effects, both in the short term and with regards to long-term life expectancy. Over the years, governments have tried to tackle the problem with varied tactics around the world.
When ta... | 168 | 23 | [
{
"comment_id": "6196508",
"author": "hfhx",
"timestamp": "2019-11-20T15:34:48",
"content": "Feels good to live in “uncivilzed” Eastern Europe where you are not punished for owning the means of transportation. Looks like west is going full marxist. What an irony.",
"parent_id": null,
"dept... | 1,760,373,682.116023 | ||
https://hackaday.com/2019/11/20/fail-of-the-week-the-3d-printer-nozzle-wipe-that-wont/ | Fail Of The Week: The 3D Printer Nozzle Wipe That Won’t | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"fail of the week",
"nozzle brush",
"nozzle cleaning"
] | Some of you will be familiar with the idea of using a brush as a nozzle wipe on a 3D printer. The idea is that passing the hot end over the brush cleans any stray plastic from the nozzle, ensuring that those plastic bits don’t end up in unwelcome places. [Mark Rehorst]
attempted to implement a nozzle brush system in hi... | 56 | 31 | [
{
"comment_id": "6196432",
"author": "Shannon",
"timestamp": "2019-11-20T12:17:52",
"content": "A problem has certainly been identified here: a 3D printer can’t pick the cruft out of the brush.So why not have the print head walk along the brush so it doesn’t re-encounter the dirt it left behind? You... | 1,760,373,682.215282 | ||
https://hackaday.com/2019/11/19/behold-a-3d-display-thanks-to-a-speeding-foam-ball/ | Behold A 3D Display, Thanks To A Speeding Foam Ball | Donald Papp | [
"Science",
"Video Hacks"
] | [
"3d",
"acoustic",
"levitation",
"ultrasonic",
"volumetric display"
] | We’ve seen 3D image projection tried in a variety of different ways, but this is a new one to us. This volumetric display by Interact Lab of the University of Sussex
creates a 3D image by projecting light onto a tiny foam ball
, which zips around in the air fast enough to create a persistence of vision effect. (Video, ... | 15 | 8 | [
{
"comment_id": "6196294",
"author": "Andy W",
"timestamp": "2019-11-19T16:51:50",
"content": "It’s a trap!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6196342",
"author": "Hirudinea",
"timestamp": "2019-11-19T21:09:22",
"content":... | 1,760,373,682.380103 | ||
https://hackaday.com/2019/11/19/teardown-vtech-precomputer-1000-is-an-iconic-pc-in-a-toy-wrapper/ | Teardown: VTech PreComputer 1000 | Tom Nardi | [
"Featured",
"Interest",
"Retrocomputing",
"Teardown",
"Toy Hacks"
] | [
"8-bit computers",
"PreComputer",
"retrocomputer",
"toy computer",
"VTech",
"z80",
"Zilog Z80"
] | Back in the days before kids could be placated with a $50 Android burner phone, many a youngster was gifted a so-called “educational computer” to keep them occupied. Invariably looking like a fever dream version of the real computer their parents didn’t want to let them use, these gadgets offered monochromatic exploits... | 46 | 24 | [
{
"comment_id": "6196278",
"author": "drenehtsral",
"timestamp": "2019-11-19T15:34:10",
"content": "Ha! In the mid ’90s VTech made a short forray into the “real” computer market. I had a laptop they made (80486SLC @ 33MHz, 4MB of RAM, 120MB hard drive, 640×480 grayscale passive matrix LCD, NiMH batt... | 1,760,373,682.474011 | ||
https://hackaday.com/2019/11/19/bamboo-skewers-launch-airship/ | Bamboo Skewers Launch Airship | Al Williams | [
"Arduino Hacks",
"drone hacks"
] | [
"airship",
"bamboo",
"blimp",
"zeppelin"
] | We have to admit, we like airships. There’s something about the image of a stately zeppelin floating over Manhattan that just makes us imagine the future. There are not many airships anymore, but you can always build your own. [Crafty Robot] shows how to use one of their boards to make a simple and easy controlled ball... | 1 | 1 | [
{
"comment_id": "6196264",
"author": "R.L. Wurdack",
"timestamp": "2019-11-19T14:26:55",
"content": "Buoyancy control would be cool.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,682.323471 | ||
https://hackaday.com/2019/11/19/theres-more-to-designing-a-pcb-business-card-than-meets-the-eye/ | There’s More To Designing A PCB Business Card Than Meets The Eye | Jenny List | [
"hardware"
] | [
"business card",
"NFC",
"pcb business card"
] | A curious custom that survives from the pre-computer era is that of the business card. If you walk the halls at a trade event you’ll come a way with a stack of these, each bearing the contact details of someone you’ve encountered, and each in a world of social media and online contact destined to languish in some dusty... | 9 | 5 | [
{
"comment_id": "6196257",
"author": "Electra",
"timestamp": "2019-11-19T12:02:48",
"content": "Wait.. This guy must be a woodworker, it’s the only reason he’d have a centimeter ruler, rather than a millimeter one..:)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,373,682.62382 | ||
https://hackaday.com/2019/11/18/a-foolproof-raspberry-pi-media-player/ | A Foolproof Raspberry Pi Media Player | Lewin Day | [
"Raspberry Pi"
] | [
"media box",
"media player",
"raspberry pi"
] | The media landscape in the home has changed precipitously over the years. Back in the days when torrents were king, DVD players and TVs started to sprout USB ports and various methods of playing digital videos, while hackers repurposed office machines and consoles into dedicated media boxes. [Roiy Zysman] is a fan of a... | 26 | 9 | [
{
"comment_id": "6196224",
"author": "RL",
"timestamp": "2019-11-19T06:37:28",
"content": "Seems like cool idea, can definitely use this for my shop 24/7 rolling display. Gonna give it a try",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6196229",
"author"... | 1,760,373,682.758492 | ||
https://hackaday.com/2019/11/18/colorizing-images-with-the-help-of-ai/ | Colorizing Images With The Help Of AI | Lewin Day | [
"Machine Learning"
] | [
"convolutional neural network",
"image processing",
"neural network"
] | The world was never black and white – we simply lacked the technology to capture it in full color. Many have experimented with techniques to take black and white images, and colorize them.
[Adrian Rosebrock] decided to put an AI on the job, with impressive results.
The method involves training a Convolutional Neural Ne... | 15 | 8 | [
{
"comment_id": "6196202",
"author": "CMH62",
"timestamp": "2019-11-19T03:08:20",
"content": "Any videos available that have more detail or give a bit more information??",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6196209",
"author": "diekinoordho... | 1,760,373,682.673359 | ||
https://hackaday.com/2019/11/18/if-you-cant-buy-the-keyboard-you-want-build-it-instead/ | If You Can’t Buy The Keyboard You Want, Build It Instead | Lewin Day | [
"Peripherals Hacks"
] | [
"keyboard",
"mechanical keyboard"
] | The great thing about being a maker is that when the market fails to meet your needs, you can strike out on your own. [GuzziGuy] did just that,
building a bespoke mechanical keyboard that’s stylish to boot.
The aim was to create a keyboard well suited to working without a mouse, and with a keypad on the opposite side t... | 12 | 4 | [
{
"comment_id": "6196173",
"author": "jibé",
"timestamp": "2019-11-19T00:35:54",
"content": "I’m left-handed and I find the standard keyboard ok for my typing needs and fps games : mouse on the left, leaves the right-hand for the numeric keypad.Also may use the ctrl+insert / ctrl+delete instead of c... | 1,760,373,682.814524 | ||
https://hackaday.com/2019/11/18/a-mechanical-shutter-release-for-a-digital-camera/ | A Mechanical Shutter Release For A Digital Camera | Lewin Day | [
"digital cameras hacks"
] | [
"camera",
"hot shoe",
"shutter release"
] | Most digital cameras these days come with some kind of electronic remote shutter release. Various solutions exist, using USB cables, smartphone apps, or dedicated remotes. [Steloherd] wasn’t happy with the options available for his Ricoh GRII, though,
so built a rig to do things the old fashioned way.
The spring plate ... | 20 | 10 | [
{
"comment_id": "6196133",
"author": "BrightBlueJim",
"timestamp": "2019-11-18T21:06:25",
"content": "I just need something like this for my !#%%? smartphone. For decades I was a super-steady SLR photographer, but the low moment of inertia and poor placement of the button for triggering the shutter... | 1,760,373,683.165991 | ||
https://hackaday.com/2019/11/18/this-rgb-tree-has-its-roots-in-a-pcb/ | This RGB Tree Has Its Roots In A PCB | Gerrit Coetzee | [
"LED Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"led",
"rgb",
"stm32",
"tree"
] | [Paczkaexpress]’s RGB tree is a mix of clever building techniques and artistic form that come together into
quite a beautiful sculpture
.
The branches of his tree are made from strands of enameled copper wire capped with an RGB LED and terminated in a female header. The separate wires are all wound and sculpted into th... | 1 | 1 | [
{
"comment_id": "6196139",
"author": "Ronny",
"timestamp": "2019-11-18T21:22:21",
"content": "https://hackaday.com/2019/01/15/twelve-circuit-sculptures-we-cant-stop-looking-at/",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,682.915955 | ||
https://hackaday.com/2019/11/18/a-newbie-takes-the-smd-challenge-at-supercon/ | A Newbie Takes The SMD Challenge At Supercon | Dan Maloney | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2019 Hackaday Superconference",
"skills",
"smd",
"soldering",
"Supercon"
] | First-time visitors to Disneyworld often naively think they’re going to “do” the park in three days: one day for the Magic Kingdom, one day for Epcot, and one day for everything else. It’s easy to spot such people, collapsed on a bench or dragging exhausted kids around while trying to make their way to the next must-se... | 17 | 10 | [
{
"comment_id": "6196094",
"author": "lead pin",
"timestamp": "2019-11-18T18:18:51",
"content": "At the risk of getting discouraged early on I think I would have started with the smallest parts. That way when I am working on the hardest part there is the least stuff to get in my way.I suppose that t... | 1,760,373,682.879104 | ||
https://hackaday.com/2019/11/18/used-edm-electrodes-repurposed-as-air-bearings-for-precision-machine-tools/ | Used EDM Electrodes Repurposed As Air Bearings For Precision Machine Tools | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"air bearing",
"bearing",
"EDM",
"electrode",
"graphite",
"Machine tool",
"micron",
"nanometer",
"Pneumatics",
"precision"
] | If you’ve ever played air hockey, you know how the tiny jets of air shooting up from the pinholes in the playing surface reduce friction with the puck. But what if you turned that upside down? What if the puck had holes that shot the air downward? We’re not sure how the gameplay would be on such an inverse air hockey t... | 14 | 6 | [
{
"comment_id": "6196068",
"author": "yetihehe",
"timestamp": "2019-11-18T17:22:15",
"content": "What can you do with such bearings?https://www.youtube.com/watch?v=lOTWx69mghM(yes, I know it’s advertisement, but I’m not affiliated and that shaft movement looks stunning (wow, that sounded strange… ) ... | 1,760,373,682.970491 | ||
https://hackaday.com/2019/11/18/optical-keyboards-have-us-examining-typing-at-light-speed-ish/ | Optical Keyboards Have Us Examining Typing At Light Speed-ish | Bob Baddeley | [
"Featured",
"Interest",
"Peripherals Hacks",
"Slider"
] | [
"cherry mx",
"cherry switches",
"keyboard",
"keyboard input",
"keyboard switches",
"mechanical keyboard",
"membrane keyboard"
] | There’s a newish development in the world of keyboards; the optical switch. It’s been around for a couple years in desktop keyboards, and recently became available on a laptop keyboard as well. These are not replacements for your standard $7 keyboard with rubber membrane switches intended for puttering around on your r... | 86 | 25 | [
{
"comment_id": "6196034",
"author": "yetihehe",
"timestamp": "2019-11-18T15:17:22",
"content": "> Assuming that an IR LED will fade to 50% brightness and start to cause detection problems after 50,000 hours, that’s 10 years at 12 hours/day (the LED has to be on, whether the key is pressed or not). ... | 1,760,373,683.103332 | ||
https://hackaday.com/2019/11/18/add-a-bit-of-pcb-badge-glamour-to-your-boring-id-badge/ | Add A Bit Of PCB Badge Glamour To Your Boring ID Badge | Jenny List | [
"Art"
] | [
"badge",
"badge holder",
"pcb"
] | When we talk about badges and printed circuit boards, it is usually in the context of the infinite creativity of the Badgelife scene, our community’s own art form of electronic conference badges. It’s easy to forget when homing in on those badges that there are other types of badge, and thus [Saimon]’s
PCB badge holder... | 6 | 5 | [
{
"comment_id": "6196016",
"author": "Shoe",
"timestamp": "2019-11-18T13:52:22",
"content": "So because I wasn’t quite clear on this:“The trace are invented, so the PCB it’s not functional… no fancy blinking LED….”It’s a pretty holder made from PCB, but it’s not functional beyond being a functional ... | 1,760,373,683.398676 | ||
https://hackaday.com/2019/11/18/sick-mechanical-keyboard-is-3d-printed/ | SiCK Mechanical Keyboard Is 3D Printed | Al Williams | [
"3d Printer hacks",
"Arduino Hacks",
"ARM"
] | [
"3d printing",
"keyboard",
"mechanical keyboard",
"Teensy"
] | We’ve noticed a rash of builds of [ FedorSosnin’s] do-it-yourself 3D-printed mechanical keyboard,
SiCK-68
lately. The cost is pretty low — SiCK stands for Super, Inexpensive, Cheap, Keyboard. According to the
bill of materials
, the original cost about $50. Of course, that doesn’t include the cost of the 3D printer and... | 25 | 15 | [
{
"comment_id": "6195970",
"author": "Martin Fasani",
"timestamp": "2019-11-18T10:10:36",
"content": "Sick build!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6196019",
"author": "Ren",
"timestamp": "2019-11-18T14:18:38",
"content":... | 1,760,373,683.313608 | ||
https://hackaday.com/2019/11/17/harmonic-analyzer-does-it-with-cranks-and-gears/ | Harmonic Analyzer Does It With Cranks And Gears | Lewin Day | [
"Misc Hacks"
] | [
"gears",
"harmonic",
"laser cutter",
"mechanical computer",
"wood"
] | Before graphic calculators and microcomputers, plotting functions were generally achieved by hand. However, there were mechanical graphing tools, too.
With the help of a laser cutter, it’s even possible to make your own!
The build in question is nicknamed the Harmonic Analyzer. It can be used to draw functions created ... | 5 | 4 | [
{
"comment_id": "6195830",
"author": "zh84stephen",
"timestamp": "2019-11-17T09:54:00",
"content": "Not to detract from this splendid achievement, but if this interests you then you would also want to see the professional-grade harmonic analyser that’s documented on YouTube:https://www.youtube.com/w... | 1,760,373,683.355157 | ||
https://hackaday.com/2019/11/16/how-to-design-a-bga-breakout-module/ | How To Design A BGA Breakout Module | Lewin Day | [
"Misc Hacks"
] | [
"ball grid array",
"bga",
"smd",
"smd module"
] | Surface mount devices can take some adjusting to for hackers primarily used to working with through-hole components. Despite this, the lure of the hottest new parts has enticed even the most reticent to learn to work with the technology. Of course, time rolls on and BGA parts bring further difficulties. [Nate] from Spa... | 11 | 4 | [
{
"comment_id": "6195833",
"author": "CRJEEA69@HOTMAIL.CO.UK",
"timestamp": "2019-11-17T11:18:50",
"content": "It should be possible to make a bundle of insulated pogo pins, for example, from some really fine enamelled wire and just clamp any chip on top. As long as the wire diameter is smaller than... | 1,760,373,683.838068 | ||
https://hackaday.com/2019/11/16/fieldkit-is-the-grand-prize-winner-of-the-2019-hackaday-prize/ | FieldKit Is The Grand Prize Winner Of The 2019 Hackaday Prize | Mike Szczys | [
"contests",
"Featured",
"Slider",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"best product",
"grand prize",
"Hackaday Prize"
] | FieldKit, an open-source, modular sensor system for conducting research in harsh environments has just been named the Grand Prize winner of the 2019 Hackaday Prize. The award for claiming the top place and title of “Best Product” in this nine-month global engineering initiative is $125,000. Five other top winners and f... | 21 | 12 | [
{
"comment_id": "6195826",
"author": "Gustavo Huber",
"timestamp": "2019-11-17T07:10:42",
"content": "Well deserved! Congratulations Conservify team.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6195861",
"author": "Woodworking Hamilton",
"timestamp"... | 1,760,373,683.466346 | ||
https://hackaday.com/2019/11/16/behind-the-scenes-of-the-2019-superconference-badge/ | Behind The Scenes Of The 2019 Superconference Badge | Tom Nardi | [
"cons",
"Featured",
"FPGA",
"Interest",
"Slider"
] | [
"2019 Hackaday Superconference",
"assembly line",
"badge",
"flashing",
"fpga",
"Hackaday Supercon",
"programming",
"Supercon badge"
] | If you count yourself among the several hundred of our closest friends that have joined us at Supplyframe HQ for the 2019 Hackaday Superconference, then by now you’ll have your hands on
one of this year’s incredible FPGA badges
. It should come as no surprise that an incredible amount of time and effort went into devel... | 7 | 3 | [
{
"comment_id": "6195810",
"author": "Varun Mehta",
"timestamp": "2019-11-17T04:12:26",
"content": "I hope someone uses the schematics to make something available for those of us who couldn’t attend. That badge is a pretty much ideal combination of hardware and software to keep hackers happy for age... | 1,760,373,683.554966 | ||
https://hackaday.com/2019/11/16/making-models-with-lasers/ | Making Models With Lasers | Bryan Cockfield | [
"Laser Hacks"
] | [
"co2 laser",
"eric strebel",
"industrial design",
"laser",
"laser cutter",
"model",
"model making"
] | Good design starts with a good idea, and being able to flesh that idea out with a model. In the electronics world, we would build a model on a breadboard before soldering everything together. In much the same way that the industrial designer [Eric Strebel] makes models of his creations before creating the final version... | 4 | 2 | [
{
"comment_id": "6195827",
"author": "three_d_dave",
"timestamp": "2019-11-17T07:15:21",
"content": "When using white glue from the standard bottle – give the bottle a gentle squeeze before and during turning the cap. When the air just starts to escape is the place to stop turning the cap – this lea... | 1,760,373,683.503857 | ||
https://hackaday.com/2019/11/16/the-ultimate-hackers-compact-4wd/ | The Ultimate Hacker’s Compact 4WD! | Jenny List | [
"The Hackaday Prize",
"Transportation Hacks"
] | [
"2019 Hackaday Prize",
"bobby car",
"electric vehicle",
"hoverboard"
] | If you’ve spent any time at one of the larger European hacker camps over the last few years you’ll have seen the invasion of little electric vehicles sporting hoverboard motors as an all-in-one propulsion system. German hackers, in particular, have incorporated them into the iconic Bobby Car children’s toy, and ca be s... | 3 | 2 | [
{
"comment_id": "6195773",
"author": "Ameyring",
"timestamp": "2019-11-16T22:47:18",
"content": "In the US we have Power Wheels Racers using children’s toys and some races are off-road. Maker Faires often host races.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,373,683.593443 | ||
https://hackaday.com/2019/11/16/2019-superconference-is-streaming-live-right-now/ | 2019 Superconference Is Streaming Live Right Now! | Tom Nardi | [
"cons"
] | [
"2019 Hackaday Superconference",
"events",
"live steam",
"livestream"
] | Perhaps Pasadena is a bit too far from home, or maybe you waited a few milliseconds longer than you should have and missed the tickets when they went on sale. Whatever the reason, the fact is that the vast majority of Hackaday readers won’t be able to join us at the 2019 Superconference. But thanks to the magic of the ... | 3 | 1 | [
{
"comment_id": "6195890",
"author": "jrfl",
"timestamp": "2019-11-17T19:46:43",
"content": "Why is this post stuck at the top of the ‘blog’ stream? I can see how it would be pinned at the top of the home page, but it had me thinking that the blog feed was frozen for the conference or something sinc... | 1,760,373,683.740077 | ||
https://hackaday.com/2019/11/17/building-a-3d-scanner-with-a-3d-printer/ | Building A 3D Scanner With A 3D Printer | Bryan Cockfield | [
"Raspberry Pi"
] | [
"3d printer",
"3d scanner",
"lighting",
"Photogrammetry",
"photography",
"pi zero",
"raspberry pi"
] | Using a 3D printer to make high quality parts is a great way to improve the look and appeal of any project. If you want to replicate something exactly, though, you’ll need either a very good set of calipers and a lot of time or a 3D scanner. Using the 3D scanner and the 3D printer go along very well together,
especiall... | 16 | 5 | [
{
"comment_id": "6195971",
"author": "Rich",
"timestamp": "2019-11-18T10:12:55",
"content": "“Fleet of camera modules” ? The parts list says 3 – 5 Pi Zeros with one camera each?I wondered if this approach gives better results than using a Kinect sensor ?",
"parent_id": null,
"depth": 1,
... | 1,760,373,683.79008 | ||
https://hackaday.com/2019/11/17/rotary-dial-becomes-usb-keyboard/ | Rotary Dial Becomes USB Keyboard | Al Williams | [
"Arduino Hacks",
"Phone Hacks"
] | [
"dial",
"dial telephone",
"telephone"
] | [Max] had a rotary dial from an old telephone and — unsurprisingly — had nothing in particular to do with it. The simple answer? Use an Arduino Leonardo to turn it into a
USB keyboard device
.
Of course, the Leonardo can easily impersonate a USB keyboard, so that’s the easy part of the project. Interfacing to the dial ... | 14 | 6 | [
{
"comment_id": "6195949",
"author": "j s",
"timestamp": "2019-11-18T03:56:31",
"content": "Yes, Almon Brown Strowger, the inventor of the automatic telephone exchange was an undertaker; he entered that business in the late 1880s. Little is known about his life before that, except that he was a tin... | 1,760,373,683.887614 | ||
https://hackaday.com/2019/11/17/hackaday-links-november-17-2019/ | Hackaday Links: November 17, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"2019 Hackaday Superconference",
"amplifier",
"clone",
"counterfeit",
"drone",
"DS18B20",
"exploit",
"fake",
"laser",
"LDMOS",
"RF",
"sensor",
"uav"
] | Friday, November 15, 2019 – PASADENA.
The 2019 Hackaday Superconference
is getting into high gear as I write this. Sitting in the Supplyframe HQ outside the registration desk is endlessly entertaining, as attendees pour in and get their swag bags and badges. It’s like watching a parade of luminaries from the hardware h... | 8 | 3 | [
{
"comment_id": "6195935",
"author": "Hirudinea",
"timestamp": "2019-11-18T01:16:32",
"content": "50 laser pointers bring down a drone and the U.S. Navy spends a billion dollars to do the same thing!https://en.wikipedia.org/wiki/AN/SEQ-3_Laser_Weapon_System",
"parent_id": null,
"depth": 1,
... | 1,760,373,683.986359 | ||
https://hackaday.com/2019/11/17/tangible-programming-brings-code-into-the-real-world/ | Tangible Programming Brings Code Into The Real World | Gerrit Coetzee | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize"
] | We love the idea of [Amos]’s
Tangible Programming project
. It reminds us of those great old Radioshack electronics labs where the circuitry concepts took on a physical aspect that made them way easier to digest than abstractions in an engineering textbook.
MIT
Scratch
teaches many programming concepts in an easy to un... | 13 | 5 | [
{
"comment_id": "6195920",
"author": "Severe Tire Damage",
"timestamp": "2019-11-17T23:29:08",
"content": "Code I can smell, that is what I am looking for. And frankly I have run across some that smells pretty bad.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,683.938533 |
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