url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/02/18/trackrobot-sports-welded-steel-not-plastic/ | TrackRobot Sports Welded Steel, Not Plastic | Donald Papp | [
"Robots Hacks"
] | [
"heavy",
"plow",
"rc",
"remote control",
"robot",
"snow",
"snow plow",
"steel",
"Tank Tracks",
"tank treads",
"trackrobot",
"tracks"
] | Don’t let the knee-high size of [Hrastovc]’s creation fool you.
TrackRobot weighs in at a monstrous 60 kg
(130 lbs) of steel, motors, and battery. It sports two 48V motors in a body and frame made from pieces of finger-jointed sheet steel, and can reach speeds of up to four meters per second with a runtime of up to an ... | 15 | 7 | [
{
"comment_id": "4366296",
"author": "jpago",
"timestamp": "2018-02-18T12:18:04",
"content": "Why pay for fitness clubs when you can just grab a shovel and do some honest work removing the snow?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4366977",
... | 1,760,374,478.257348 | ||
https://hackaday.com/2018/02/18/mini-lathe-makes-tiny-hydraulic-cylinders-for-rc-snow-plow/ | Mini Lathe Makes Tiny Hydraulic Cylinders For RC Snow Plow | Dan Maloney | [
"Misc Hacks"
] | [
"cylinder",
"hydraulic",
"lathe",
"machining",
"rc",
"snow plow",
"turning"
] | You can get pretty much any part you need online these days, but some specialty parts are a little hard to come by. So if your needs are esoteric, like
tiny hydraulic cylinders for RC snow plows
, you might just have to roll your own.
To be honest, we never really knew that realistic working hydraulics on such a small ... | 20 | 9 | [
{
"comment_id": "4365774",
"author": "macona",
"timestamp": "2018-02-18T09:31:31",
"content": "This guy has been excavating his basement with miniature excavation equipment, there is a market for these little cylinders.https://www.youtube.com/user/LilGiantsConstrCo",
"parent_id": null,
"dept... | 1,760,374,477.799364 | ||
https://hackaday.com/2018/02/17/repairs-you-can-print-nintendo-ds-lite-with-new-battery-and-case/ | Repairs You Can Print: Nintendo DS Lite With New Battery And Case | Steven Dufresne | [
"3d Printer hacks",
"contests"
] | [
"18650",
"battery holder",
"Nintendo DS",
"Repairs You Can Print"
] | The problem with hanging on to old consumer products is that the original batteries no longer hold a charge. To make matters worse, replacement batteries ordered online have likely been sitting on a warehouse shelf for years and are no better. [Larry G] faced this issue with his old Nintendo DS Lite. Luckily he remembe... | 5 | 4 | [
{
"comment_id": "4365766",
"author": "echodelta",
"timestamp": "2018-02-18T09:25:12",
"content": "Where’s the BMS. D cell to lithium with original built in charger? This has nothing to do with 3D printing of course. Just safety.Cool idea for battery expansion, are the little bits that hold it on up ... | 1,760,374,478.300981 | ||
https://hackaday.com/2018/02/17/ai-listens-to-radio/ | AI Listens To Radio | Al Williams | [
"Radio Hacks",
"Wireless Hacks"
] | [
"ai",
"machine learning",
"neural network",
"odfm",
"wireless"
] | We’ve seen plenty of examples of neural networks listening to speech, reading characters, or identifying images. KickView had a different idea. They wanted to
learn to recognize radio signals
. Not just any radio signals, but Orthogonal Frequency Division Multiplexing (OFDM) waveforms.
OFDM is a modulation method used ... | 5 | 3 | [
{
"comment_id": "4365557",
"author": "NiHaoMike",
"timestamp": "2018-02-18T05:25:06",
"content": "Isn’t 802.11g 2.4GHz only and 802.11ac 5GHz only so the two won’t even be aware of what each other are doing?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "436... | 1,760,374,477.927046 | ||
https://hackaday.com/2018/02/17/help-keep-the-bombe-at-bletchley/ | Help Keep The Bombe At Bletchley | Jenny List | [
"classic hacks",
"News"
] | [
"alan turing",
"Bletchley Park",
"bombe",
"codebreaking",
"TNMOC",
"turing"
] | Fans of vintage codebreaking machinery might be interested to hear that the only working reconstruction of a Turing-Welchman Bombe is likely to soon be on the move. The electromechanical device, a replica of those used on the Second World War Enigma codes, is housed at Bletchley Park, the former codebreaking center est... | 36 | 10 | [
{
"comment_id": "4365428",
"author": "[gir] / Tobias",
"timestamp": "2018-02-18T00:10:39",
"content": "this article would be an ideal candidate for putting onto the featured reel!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4365437",
"author": "Deb Whit... | 1,760,374,477.993534 | ||
https://hackaday.com/2018/02/20/turn-your-lathe-into-a-shaper/ | Turn Your Lathe Into A Shaper | Adam Fabio | [
"Tool Hacks"
] | [
"broach",
"compound slide",
"keyway",
"lathe",
"Shaper",
"spline"
] | Ingenuity is the name of the game with manual machine tools. You often have to get creative to use the tools you have to create the part you want. That’s exactly what happened when [John]
needed to cut internal splines and keyways using his lathe
.
Lathes are usually used to turn metal, but internal keyways and splines... | 16 | 5 | [
{
"comment_id": "4370941",
"author": "A Mechanical Tiger (@StripeyType)",
"timestamp": "2018-02-20T19:45:02",
"content": "If you like this, I’m working on identical functionality but which mounts to an Aloris-style QCTP. If I ever finish the thing I’ll write it up.",
"parent_id": null,
"dept... | 1,760,374,477.749994 | ||
https://hackaday.com/2018/02/20/vera-rubin-shedding-light-on-dark-matter/ | Vera Rubin: Shedding Light On Dark Matter | Kristina Panos | [
"Biography",
"Featured",
"Original Art",
"Space"
] | [
"Andromeda",
"dark matter",
"galaxy dynamics",
"galaxy rotation",
"spectra",
"spectrograph",
"Vera Rubin",
"W. Kent Ford"
] | Vera sat hunched in the alcove at Kitt Peak observatory, poring over punch cards. The data was the same as it had been at Lowell, at Palomar, and every other telescope she’d peered through in her feverish race to collect the orbital velocities of stars in Andromeda. Although the data was perfectly clear, the problem it... | 41 | 8 | [
{
"comment_id": "4370946",
"author": "Ren",
"timestamp": "2018-02-20T19:47:40",
"content": "This was the first I’ve read of how “Dark Matter” was deemed to exist.I’ve read statements like “Astronomers believe Dark Matter and Dark Energy make up (huge percentage) of the Universe.”or,“(certain astroph... | 1,760,374,477.88673 | ||
https://hackaday.com/2018/02/20/esp-01-bridges-the-gap-between-ir-and-wifi/ | ESP-01 Bridges The Gap Between IR And WiFi | Tom Nardi | [
"hardware",
"home entertainment hacks",
"Microcontrollers"
] | [
"ATmega88",
"ESP-01",
"ir",
"IR remote"
] | [Emilio Ficara] dropped us a line recently about his efforts to drag his television and receiver kicking and screaming into the modern era. His TV is old enough that it needs an external tuner, which means it requires two separate remotes to properly channel surf. He wanted to simplify the situation, and figured that w... | 29 | 15 | [
{
"comment_id": "4370710",
"author": "Rog Fanther",
"timestamp": "2018-02-20T16:42:01",
"content": "Maybe I´m overlooking something, but couldn´t he drive the IR led directly from the ESP ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4370759",
"au... | 1,760,374,478.373685 | ||
https://hackaday.com/2018/02/20/deconstructing-a-simple-op-amp/ | Deconstructing A Simple Op-Amp | Jenny List | [
"Hackaday Columns",
"Parts",
"Slider"
] | [
"differential amplifier",
"integrated circuit",
"long tailed pair",
"op-amp"
] | Maybe you are familiar with the op-amp as an extremely versatile component, and you know how to quickly construct a huge variety of circuits with one. Maybe you even have a favorite op-amp or two for different applications, covering many possible niches. Standard circuits such as an inverting amplifier are your bread a... | 30 | 10 | [
{
"comment_id": "4370630",
"author": "Ren",
"timestamp": "2018-02-20T15:07:22",
"content": "I would argue that Q1 and probably Q9 are also part of the Differential Amp. Q1 is the “constant current source” Q2 and Q3 need to do their work.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,478.212029 | ||
https://hackaday.com/2018/02/20/the-strange-physics-of-curling/ | The Strange Physics Of Curling | Adam Fabio | [
"classic hacks",
"Slider"
] | [
"curling",
"olympics",
"physics"
] | It turns out that curling involves some complex physics. [Destin] of Smarter Every Day has
jumped in to find out why scientists on opposite sides of the Atlantic disagree
about why curling stones curl.
If you’ve been watching the Olympics, you’ve probably seen some curling, the Scottish sport of competitively pushing s... | 36 | 11 | [
{
"comment_id": "4370499",
"author": "Steven-X",
"timestamp": "2018-02-20T13:06:09",
"content": "Curling is probably the only Olympic sport I could participate in. I could be one of the broom guys.Now, if they ever combine surfing and skeet shooting, then there would be a second sport I could do.",
... | 1,760,374,478.145705 | ||
https://hackaday.com/2018/02/20/debunking-moon-landing-denial-with-an-arduino-and-science/ | Debunking Moon Landing Denial With An Arduino And Science | Dan Maloney | [
"classic hacks",
"Laser Hacks",
"Space"
] | [
"apollo",
"arduino",
"debunking",
"LEM",
"lidar",
"point cloud",
"scanner",
"spacesuit"
] | It’s sad that nearly half a century after the achievements of the Apollo program we’re still arguing with a certain subset of people who insist it never happened. Poring through the historical record looking for evidence that proves the missions couldn’t possibly have occurred has become a sad little cottage industry, ... | 105 | 23 | [
{
"comment_id": "4370254",
"author": "Galane",
"timestamp": "2018-02-20T09:21:34",
"content": "Some people will believe absolutely anything, except the truth.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4370501",
"author": "davedarko",
"ti... | 1,760,374,478.578019 | ||
https://hackaday.com/2018/02/19/invasion-of-the-tiny-magnetic-pcb-vises/ | Invasion Of The Tiny Magnetic PCB Vises | Tom Nardi | [
"hardware",
"Parts"
] | [
"electronics workbench",
"magnetic",
"PCB vise",
"standoff"
] | [Proto G] recently wrote in to share a very slick way of keeping tabs on all the tiny PCBs and devices that litter the modern electronics workbench. Rather than a big bulky PCB vise for each little board,
he shows how to make tiny grippers with magnetic bases
for only a couple bucks each. Combined with a sheet metal pl... | 15 | 4 | [
{
"comment_id": "4370270",
"author": "Genki",
"timestamp": "2018-02-20T09:45:36",
"content": "Hmmm where would I find those plastic clip?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4370360",
"author": "nelsontb",
"timestamp": "2018-02-20T... | 1,760,374,478.432946 | ||
https://hackaday.com/2018/02/15/laser-galvo-control-via-microcontrollers-dac/ | Laser Galvo Control Via Microcontroller’s DAC | Donald Papp | [
"3d Printer hacks",
"hardware",
"Laser Hacks"
] | [
"3d printed",
"dac",
"ESP32",
"galvanometer",
"galvo",
"laser",
"laser galvo",
"laser projector",
"microcontroller",
"mirror galvo",
"op-amp"
] | Mirror galvanometers (‘galvos’ for short) are the worky bits in a laser projector; they are capable of twisting a mirror extremely quickly and accurately. With two of them, a laser beam may be steered in X and Y to form patterns. [bdring] had purchased some laser galvos and decided to
roll his own control system
with t... | 33 | 10 | [
{
"comment_id": "4363620",
"author": "eccentricelectron",
"timestamp": "2018-02-15T16:39:57",
"content": "Can these be used with higher powered CO2 lasers? I’ve not seen much written about the internals of a 30-50W laser, but I guess they must use mirrors and/or a lens as the tube has to remain stat... | 1,760,374,479.824273 | ||
https://hackaday.com/2018/02/15/creating-a-discord-webhook-in-python/ | Create A Discord Webhook With Python For Your Bot | Tom Nardi | [
"Hackaday Columns",
"how-to",
"Skills",
"Software Hacks"
] | [
"Discord",
"python",
"Remote monitoring",
"requests"
] | Discord is an IRC-like chat platform that all the young cool kids are hanging out on. Originally intended as a way to communicate during online games,
Discord
has grown to the point that there are servers out there for nearly any topic imaginable. One of the reasons for this phenomenal growth is how easy it is to creat... | 22 | 7 | [
{
"comment_id": "4363552",
"author": "Ostracus",
"timestamp": "2018-02-15T15:30:43",
"content": "“As previously mentioned, I’ll be doing this in Python since that’s also what the cool kids are doing this days. ”*sigh* I remember when I was one of the “cool kids”. :-p",
"parent_id": null,
"de... | 1,760,374,479.053106 | ||
https://hackaday.com/2018/02/15/high-speed-imaging-of-magnetic-fields/ | High Speed Imaging Of Magnetic Fields | Brian Benchoff | [
"Misc Hacks"
] | [
"camera",
"hall effect",
"hall effect sensor",
"papa was a rodeo"
] | Some time before experimenting with MRI machines and building his own CT scanner, [Peter Jansen] wanted to visualize magnetic fields. One of his small side projects is building tricoders — pocket sensor suites that image everything — and after playing around with the magnetometer function on his Roddenberry-endorsed to... | 41 | 20 | [
{
"comment_id": "4363387",
"author": "msat",
"timestamp": "2018-02-15T12:55:00",
"content": "Pretty damn cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4363395",
"author": "Bob Fleming",
"timestamp": "2018-02-15T13:05:01",
"content": "Yeah, t... | 1,760,374,479.188134 | ||
https://hackaday.com/2018/02/15/arduino-keyboard-is-gorgeous-inside-and-out/ | Arduino Keyboard Is Gorgeous Inside And Out | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks",
"Peripherals Hacks",
"Slider"
] | [
"3d printed",
"arduino",
"arduino pro micro",
"Gateron",
"input device",
"mechanical keyboard"
] | While the vast majority of us are content to plod along with the squishy chiclet keyboards on our laptops, or the cheapest USB membrane keyboard we could find on Amazon, there’s a special breed out there who demand something more. To them, nothing beats a good old-fashioned mechanical keyboard, where each key-press sou... | 75 | 21 | [
{
"comment_id": "4363207",
"author": "dave",
"timestamp": "2018-02-15T09:17:34",
"content": "I just want another damn Cherry blue switch KB, I moved overseas and left it behind, between new kid every other year and job I never had the free income to replace it.Little too, perfect for going laptop mo... | 1,760,374,479.305445 | ||
https://hackaday.com/2018/02/14/homebrew-wrist-brace-helps-beat-injury-with-style/ | Homebrew Wrist Brace Helps Beat Injury With Style | Dan Maloney | [
"Medical Hacks"
] | [
"brace",
"Gamer's thumb",
"PLA",
"radial styloid tenosynovitis",
"spica",
"Texting thumb",
"thermoforming",
"thumb",
"wrist"
] | Repetitive motion injuries are no joke, often attended by crippling pain and the possibility of expensive surgery with a lengthy recovery. Early detection and treatment is the key, and for many wrist and hand injuries such as [ktchn_creations] case of “Blackberry thumb,” that includes immobilization with a rigid brace.... | 33 | 9 | [
{
"comment_id": "4363069",
"author": "Internet",
"timestamp": "2018-02-15T06:39:31",
"content": "That makes more sense than printing it in its final wrapped state because of modelling or printer limitations?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "436... | 1,760,374,479.118605 | ||
https://hackaday.com/2018/02/14/harvesting-energy-from-the-earth-with-quantum-tunneling/ | Harvesting Energy From The Earth With Quantum Tunneling | Bryan Cockfield | [
"green hacks"
] | [
"antenna",
"diode",
"electronics",
"energy",
"harvesting",
"infrared",
"quantum",
"radiation",
"tunneling"
] | More energy hits the earth in sunlight every day than humanity could use in about 16,000 years or so, but that hasn’t stopped us from trying to tap into other sources of energy too. One source that shows promise is geothermal, but these methods have been hindered by large startup costs and other engineering challenges.... | 117 | 17 | [
{
"comment_id": "4362864",
"author": "Jerry",
"timestamp": "2018-02-15T03:09:55",
"content": "Sweet",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4362900",
"author": "r4m0n",
"timestamp": "2018-02-15T03:32:15",
"content": "From the paper: “The fin... | 1,760,374,479.664858 | ||
https://hackaday.com/2018/02/14/this-is-your-grandfathers-radio/ | This IS Your Grandfather’s Radio | Al Williams | [
"classic hacks",
"Radio Hacks"
] | [
"antique radio",
"regenerative receiver",
"tube radio",
"vintage radio"
] | Tube radios have a certain charm. Waiting for them to warm up, that glow of the filaments in a dark room. Tubes ruled radio for many decades. [Uniservo] posted a video about the history and technology behind the 1920’s era
Clapp-Eastham C-3 radio
. This is a three-tube regenerative receiver and was advanced for its day... | 9 | 6 | [
{
"comment_id": "4362692",
"author": "Ren",
"timestamp": "2018-02-15T00:44:07",
"content": "Beautiful!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4363736",
"author": "Ren",
"timestamp": "2018-02-15T18:57:12",
"content": "Actually,... | 1,760,374,478.977666 | ||
https://hackaday.com/2018/02/16/theres-now-a-new-midi-spec-and-drones/ | There’s Now A New MIDI Spec, And Drones | Brian Benchoff | [
"News"
] | [
"drones",
"midi",
"music"
] | MIDI, the Musical Instrument Digital Interface, was released in 1983 in a truly bizarre association between musical instrument manufacturers. At no other time, before or since, has there been such cooperation between different manufacturers to define a standard. Since then, the MIDI spec has been expanded with SysEx me... | 42 | 18 | [
{
"comment_id": "4364222",
"author": "Genki",
"timestamp": "2018-02-16T09:13:22",
"content": "For some reason I have a vision of a good pianist controlling a few dozen drones with a piano.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4364351",
"aut... | 1,760,374,479.50307 | ||
https://hackaday.com/2018/02/15/pulling-music-out-of-thin-air-with-a-raspberry-pi/ | Pulling Music Out Of Thin Air With A Raspberry Pi | Sven Gregori | [
"Musical Hacks",
"Raspberry Pi"
] | [
"laser harp",
"ldr",
"led",
"midi",
"midi piano",
"music",
"piano",
"raspberry pi",
"woodworking"
] | Pianos are great instruments, but being rather heavy and requiring a fair amount of space they are certainly not known for their convenience. Sure, there are more portable varieties available, but they rarely resemble the elegance and classiness of a grand piano. One option is of course to build a downscaled version yo... | 1 | 1 | [
{
"comment_id": "4364334",
"author": "Dax",
"timestamp": "2018-02-16T11:53:00",
"content": "Nice idea, but the processing lag is a murder on anyone’s ability to actually play it.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,479.745429 | ||
https://hackaday.com/2018/02/15/learn-about-waveforms-interactively/ | Learn About Waveforms Interactively | Al Williams | [
"Engineering"
] | [
"audio",
"audio frequency",
"waveform",
"waveforms"
] | We’ll be honest: If you are a regular Hackaday reader, you probably won’t learn much new information about waveforms
from this website
. However, the presentation is a great example of using React on a webpage and — who knows — you might just pick up something interesting. At the very least, it’ll be a great resource t... | 13 | 6 | [
{
"comment_id": "4364050",
"author": "Al",
"timestamp": "2018-02-16T04:08:19",
"content": "That is one slick page.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4364078",
"author": "Ostracus",
"timestamp": "2018-02-16T05:49:03",
"content": "“Howev... | 1,760,374,479.712298 | ||
https://hackaday.com/2018/02/15/building-an-arduino-smart-ic-tester-for-25/ | Building An Arduino Smart IC Tester For $25 | Tom Nardi | [
"Arduino Hacks",
"Microcontrollers",
"Tool Hacks"
] | [
"Arduino Mega 2560",
"arduino shield",
"IC Tester",
"test equipment",
"zif socket"
] | There’s no question that you can get a lot done with the classic multimeter; it’s arguably the single most capable tool on your bench. But the farther down the rabbit hole of hacking and reverse engineering you go, the more extravagant your testing and diagnostic gear tends to get. For some of us that’s just an annoyin... | 32 | 10 | [
{
"comment_id": "4363980",
"author": "Genki",
"timestamp": "2018-02-16T00:49:18",
"content": "Cool! If I can figure out the database it could be updated to have more chips added. There are IC testers with LCD on eBay (for example) for under $30 but they do not have an ability to detect unknown chip... | 1,760,374,479.893858 | ||
https://hackaday.com/2018/02/15/student-3d-prints-eyes/ | Student 3D Prints Eyes | Al Williams | [
"3d Printer hacks"
] | [
"3d printed prosthetic",
"3d printing",
"prostheses",
"prosthetic eye"
] | [Ondřej Vocílka] is a student at the Brno University of Technology in the Czech Republic. In addition, the 23-year-old lost his vision in his left eye. While attending a lecture on 3D printing, he wondered if he could 3D print an ophthalmic prosthesis — an artificial eye. Turns out,
he could
. If you don’t speak Czech... | 20 | 6 | [
{
"comment_id": "4363834",
"author": "p",
"timestamp": "2018-02-15T21:07:39",
"content": "“Eyes. I just do eyes… juh… juh… just eyes”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4363846",
"author": "joe",
"timestamp": "2018-02-15T21:17:47"... | 1,760,374,479.946777 | ||
https://hackaday.com/2018/02/15/printed-motorcycle-choke-lever-goes-the-distance/ | Printed Motorcycle Choke Lever Goes The Distance | Tom Nardi | [
"3d Printer hacks",
"contests",
"Transportation Hacks"
] | [
"choke",
"Fusion 360",
"Repairs You Can Print",
"Suzuki"
] | We all dread the day that our favorite piece of hardware becomes so old that spare parts are no longer available for it, something about facing that mechanical mortality sends a little shiver up the hacker’s spine. But on the other hand, the day you can’t get replacement hardware is also the same day you have a valid e... | 9 | 5 | [
{
"comment_id": "4363783",
"author": "Darren",
"timestamp": "2018-02-15T19:55:49",
"content": "Porsche is starting to use 3D printing for some rare replacement parts too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4363784",
"author": "TGT",
"timest... | 1,760,374,480.217925 | ||
https://hackaday.com/2018/02/15/the-micro-a723-as-a-switch-mode-regulator/ | The UA723 As A Switch Mode Regulator | Jenny List | [
"classic hacks",
"Featured",
"Original Art",
"Parts"
] | [
"723",
"bob widlar",
"buck converter",
"fairchild",
"switching regulator",
"Widlar",
"μA723"
] | If you are an electronic engineer or received an education in electronics that went beyond the very basics, there is a good chance that you will be familiar with the Fairchild μA723. This chip designed by the legendary Bob Widlar and released in 1967 is a kit-of-parts for building all sorts of voltage regulators. Aside... | 37 | 13 | [
{
"comment_id": "4363717",
"author": "Ren",
"timestamp": "2018-02-15T18:32:46",
"content": "“off-piste”something I had to Ggggle as I had never encountered it before,it is not similar to, or opposite of, pisted-off.B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,480.171631 | ||
https://hackaday.com/2018/02/14/at-st-high-chair-elevates-lucky-jedi-youngling/ | AT-ST High Chair Elevates Lucky Jedi Youngling | Tom Nardi | [
"classic hacks",
"cnc hacks"
] | [
"at-st",
"cnc",
"star wars",
"woodworking"
] | As a new parent, there’s lots you have to do. You have to buy a car seat, get the baby’s room ready, figure out daycare; all the boring but unavoidable minutiae of shepherding a tiny human. But for the more creative types, that list might include warming up the 3D printer or putting a fresh bit in the CNC, as there’s n... | 20 | 11 | [
{
"comment_id": "4362451",
"author": "GuruBuckaroo",
"timestamp": "2018-02-14T21:25:15",
"content": "Go piss on somebody else’s parade. Or your own. You have no authority to judge what is a waste of a person’s time other than your own, and you’re spending yours being a dick on the internet.",
"p... | 1,760,374,480.097027 | ||
https://hackaday.com/2018/02/14/repairs-you-can-print-fixing-pegboard-clips-that-break-too-easily/ | Repairs You Can Print: Fixing Pegboard Clips That Break Too Easily | Brian Benchoff | [
"3d Printer hacks",
"contests"
] | [
"3D printed hacks",
"3d printer",
"hack",
"pegboard",
"Repairs You Can Print"
] | Right now, we’re running the Repairs You Can Print Contest, where one lucky student and one lucky organization will win the fancy-schmancy Prusa i3 MK3, with the neato multi-extrusion upgrade. [Budiul] is a student, so he figured he would repair something with a 3D printer. Lucky for him, the pegboard in his workshop w... | 8 | 3 | [
{
"comment_id": "4362359",
"author": "Somun",
"timestamp": "2018-02-14T19:48:39",
"content": "Video is unavailable.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4362392",
"author": "Mike Szczys",
"timestamp": "2018-02-14T20:20:51",
... | 1,760,374,480.038862 | ||
https://hackaday.com/2018/02/14/hovercraft-of-the-future/ | Hovercraft Of The Future | Al Williams | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"hovercraft"
] | We think of hovercraft as a modern conveyance. After all, any vision of the future usually includes hovercraft or flying cars along with all the other things we imagine in the future. So when do you think the hovercraft first appeared? The 1960s? The 1950s? Maybe it was a World War II development from the 1940s? Turns ... | 32 | 15 | [
{
"comment_id": "4362245",
"author": "Michael Black",
"timestamp": "2018-02-14T18:18:22",
"content": "I know I’ve seen them up close, and I almost have a feeling I’ve been on one when a kid, but I don’t have concrete memories.I was on a hydrofoil once, I think in Denmark about 1965, and it seemed ex... | 1,760,374,480.288674 | ||
https://hackaday.com/2018/02/14/friday-hack-chat-making-a-makerspace/ | Friday Hack Chat: Making A Makerspace | Brian Benchoff | [
"Hackaday Columns",
"Hackerspaces"
] | [
"Hack Chat",
"hackerspace",
"hackerspaces",
"makerspace"
] | How do you make a makerspace? Over the last decade, there have been plenty of talks and tutorials handing out pointers. No day of the week will be good for a meeting, so the meetings are always on Tuesdays. The bike shed will be painted orange, no exceptions. Are you going to be a for-profit, or not-for-profit? Are we ... | 7 | 4 | [
{
"comment_id": "4362429",
"author": "Alejandro Godofredo Carlstein Ramos Mejia",
"timestamp": "2018-02-14T20:56:19",
"content": "Few years ago, I tried to promote in Argentina the creation of makerspaces in technical high schools.In Argentina, technical schools provide high school education and pro... | 1,760,374,480.361099 | ||
https://hackaday.com/2018/02/14/tearing-down-a-1000-e-ink-display/ | Tearing Down A $1000 E-Ink Display | Tom Nardi | [
"hardware",
"Peripherals Hacks",
"Teardown"
] | [
"DASUNG",
"e-ink",
"ED133UT2",
"Paperlike",
"Paperlike Pro"
] | Back in 2016, Chinese company Dasung blew past their Indiegogo goal to fund the Paperlike: the world’s first general purpose E-Ink display. Rather than being stuck in a reader from your favorite purveyor of DRM like previous displays, the Paperlike could be used with whatever device you wanted; albeit in black and whit... | 44 | 14 | [
{
"comment_id": "4362074",
"author": "Ren",
"timestamp": "2018-02-14T16:11:59",
"content": "“There’s even one with integrated touch screen.”“That what I talkin’ ’bout!” -Gru",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4362079",
"author": "Ren",
... | 1,760,374,480.564462 | ||
https://hackaday.com/2018/02/14/mechanisms-bearings/ | Mechanisms: Bearings | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"axial",
"ball",
"bearings",
"hydrodynamic",
"lubricant",
"Mechanisms",
"needle",
"radial",
"roller",
"tapered",
"thrust"
] | They lie at the heart of every fidget spinner and in every motor that runs our lives, from the steppers in a 3D printer to the hundreds in every car engine. They can be as simple as a lubricated bushing or as complicated as the roller bearing in a car axle. Bearings are at work every day for us, directing forces and re... | 49 | 10 | [
{
"comment_id": "4362043",
"author": "Jerry",
"timestamp": "2018-02-14T15:27:52",
"content": "The largest bearing anywhere, is a railroad track. Early track failures led to extensive research on metal fatigue, and was compared to a bearing spinning. (Load, unload, repeat)",
"parent_id": null,
... | 1,760,374,480.657608 | ||
https://hackaday.com/2018/02/14/a-perfect-rose-a-stepper-an-x-ray-machine-and-thee/ | A Perfect Rose, A Stepper, An X-Ray Machine, And Thee | Dan Maloney | [
"FPGA",
"Holiday Hacks"
] | [
"FBGA",
"flower",
"Imaging",
"Radiography",
"rose",
"Valentines day",
"x-ray"
] | The Day of Compulsory Romance is once more upon us, and in recognition of that fact we submit for your approval an alternative look at one of the symbols of romantic love:
an X-ray of a rose
.
Normally, diagnostic X-rays are somewhat bland representations of differential densities of the tissues that compose various or... | 18 | 6 | [
{
"comment_id": "4361867",
"author": "rastersoft",
"timestamp": "2018-02-14T12:30:20",
"content": "What about taking those photograms and do a 3D reconstruction like in a TAC?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4361920",
"author": "CRJEEA... | 1,760,374,480.713827 | ||
https://hackaday.com/2018/02/14/biohacking-lactose-intolerance/ | Biohacking Lactose Intolerance | Dan Maloney | [
"Medical Hacks"
] | [
"adenovirus",
"beta-galactosidase",
"biohacking",
"enzyme",
"genetic engineering",
"lactase",
"lactose intolerance",
"molecular biology",
"transfection"
] | Would you pop
a homemade pill containing genetically engineered virus particles
just so that you can enjoy a pizza? Not many people would, but then again, if you’ve experienced the violent reaction to lactose that some people have, you just might consider it.
Such was the position that [The Thought Emporium] found hims... | 73 | 19 | [
{
"comment_id": "4361653",
"author": "anon",
"timestamp": "2018-02-14T09:19:53",
"content": "Technically all mammals are supposed to be lactose intolerant after they have passed the age of nursing from their mothers. The fact that some of us humans can continue consuming dairy products is a genetic ... | 1,760,374,480.823259 | ||
https://hackaday.com/2018/02/13/cloning-the-echo-show-with-a-fabric-wrapped-pi/ | Cloning The Echo Show With A Fabric Wrapped Pi | Tom Nardi | [
"hardware",
"home hacks",
"Raspberry Pi"
] | [
"alexa",
"amazon",
"echo",
"Echo Show",
"raspberry pi"
] | After seeing an Echo Show in the
flesh
plastic, [anonteapot] was inspired to create
his own take on Amazon’s latest on-ramp to their ecosystem
. He had the Raspberry Pi and a touch screen, but not much else. He doesn’t even have a dedicated work area at home, much less something as exotic as a 3D printer to run off a c... | 10 | 4 | [
{
"comment_id": "4361509",
"author": "Galane",
"timestamp": "2018-02-14T06:31:00",
"content": "An Alexa with a video screen? Sounds like they’ve re-invented the Chumby.http://www.chumby.com/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4362002",
"a... | 1,760,374,480.870621 | ||
https://hackaday.com/2018/02/13/your-audio-will-be-back-right-after-this-commercial-break/ | Your Audio Will Be Back, Right After This Commercial Break | James Hobson | [
"Arduino Hacks",
"home entertainment hacks",
"LED Hacks"
] | [
"commercial",
"infrared",
"mute",
"remote",
"sony",
"tv"
] | [LittleTern] — annoyed by repetitive advertisements — wanted the ability to mute their Satellite Box for the duration of every commercial break. Attempts to crack their Satellite Box’s IR protocol went nowhere, so they thought — why not simply
mute the TV
?
Briefly toying with the idea of a separate remote for the func... | 37 | 20 | [
{
"comment_id": "4361329",
"author": "noped_out",
"timestamp": "2018-02-14T04:34:18",
"content": "apparently this thing does not listen to advertisements then match and mute them when they become repetitive. barring my imagination and high expectations, the project is good and executed tidily.",
... | 1,760,374,480.943006 | ||
https://hackaday.com/2018/02/13/a-6502-with-a-custom-langauge/ | A 6502 With A Custom Language | Al Williams | [
"computer hacks"
] | [
"6502",
"breadboard",
"breadboarding",
"retro computing"
] | The 6502 has a long history with hackers. The Apple computer (the one with no keyboard or even case) had a 6502. So did the Kim-1. [Dolo’s] version
is a bit more refined
, though. He started it a few years ago in response to one of our contests, but he’s been making improvements to it ever since. In particular, the cus... | 13 | 5 | [
{
"comment_id": "4360405",
"author": "Absolutelyautomation",
"timestamp": "2018-02-14T02:08:42",
"content": "6502 processor?, R6522 chip made in Mexico? Humm too many coincidences:https://spectrum.ieee.org/image/Mjg5MjEzMg.jpeghttps://i.pinimg.com/originals/fc/2e/a3/fc2ea30af3a873d18bfbb239e8f6c5f5.... | 1,760,374,480.991568 | ||
https://hackaday.com/2018/02/13/photograph-of-single-atom-captured-with-a-plain-old-camera/ | Photograph Of Single Atom Captured With A Plain Old Camera | Al Williams | [
"digital cameras hacks",
"Slider"
] | [
"atom",
"ion",
"photography"
] | The Engineering and Physical Sciences Research Council awarded a remarkable photograph its overall prize in science photography. The subject of the photograph?
A single atom visible to the naked eye
. Well, perhaps not exactly the naked eye, but without a microscope. In the picture above (
click here to enlarge
), the ... | 52 | 17 | [
{
"comment_id": "4358339",
"author": "Ted",
"timestamp": "2018-02-13T21:10:13",
"content": "Amazing!Another great shot taken with the “nifty fifty” lens.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4358386",
"author": "TL",
"timestamp": "2018-02-13T... | 1,760,374,481.077073 | ||
https://hackaday.com/2018/02/13/the-most-utilitarian-3d-print-has-the-widest-reach/ | The Most Utilitarian 3D Print Has The Widest Reach | Mike Szczys | [
"3d Printer hacks",
"contests"
] | [
"3d printing",
"repair",
"Repairs You Can Print",
"replacement parts"
] | 3D Printing is often heralded as a completely new fabrication method, creating things that simply cannot be manufactured in other ways. While this is true, the widest reaching usefulness of 3D printers isn’t for pushing the limits of fabrication. The real power is in pushing the limits of manufacturing for individuals ... | 21 | 6 | [
{
"comment_id": "4358092",
"author": "peter",
"timestamp": "2018-02-13T19:41:28",
"content": "Great video :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4358159",
"author": "Ren",
"timestamp": "2018-02-13T20:03:08",
"content": "I was looking at ... | 1,760,374,481.139181 | ||
https://hackaday.com/2018/02/13/openscad-tieing-it-together-with-hull/ | OpenSCAD: Tieing It Together With Hull() | Elliot Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Skills"
] | [
"hull",
"modeling",
"openscad",
"rounded edges"
] | What’s your favorite
OpenSCAD command
? Perhaps it’s
intersection()
or
difference()
? Or are you a
polygon()
and
extrude()
modeler? For me, the most useful, and maybe most often overlooked, function is
hull()
.
Hull()
does just what it says on the can — creates a convex hull around the objects that are passed to it as ... | 40 | 13 | [
{
"comment_id": "4357886",
"author": "Ren",
"timestamp": "2018-02-13T18:08:41",
"content": "Thanks, I’m on the verge of downloading OpenSCAD, it’s nice to see some existing code with explanations.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4357902",
"a... | 1,760,374,481.222534 | ||
https://hackaday.com/2018/02/13/particle-introduces-new-hardware-adds-mesh-support/ | Particle Introduces New Hardware, Adds Mesh Support | Brian Benchoff | [
"hardware",
"News",
"Wireless Hacks"
] | [
"Argon",
"Boron",
"cellular",
"IoT",
"particle",
"xenon"
] | Particle, makers of the WiFi and Cellular IoT modules everyone loves,
is introducing their third generation of hardware
. The Particle Argon, Boron, and Xenon are Particle’s latest offering in the world of IoT dev boards, and this time they’re adding something amazing: mesh networking.
The three new boards are all buil... | 34 | 17 | [
{
"comment_id": "4357737",
"author": "Internet",
"timestamp": "2018-02-13T16:59:57",
"content": "“makers of the WiFi and Cellular IoT modules everyone loves”Wait, is this a press release?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4357779",
"auth... | 1,760,374,481.295535 | ||
https://hackaday.com/2018/02/13/mary-somerville-the-first-scientist/ | Mary Somerville: The First Scientist | Brian Benchoff | [
"Biography",
"Hackaday Columns",
"History",
"Original Art"
] | [
"Mary Somerville",
"scientist",
"women of science"
] | Science, as a concept, is relatively new. Benjamin Franklin wasn’t a scientist probing the mysteries of amber and wool and electricity and ‘air baths’; he was a natural philosopher. Antonie van Leeuwenhoek was simply a man with a proclivity towards creating new and novel instruments. Robert Hooke was a naturalist and p... | 14 | 9 | [
{
"comment_id": "4357590",
"author": "Mike Szczys",
"timestamp": "2018-02-13T15:57:41",
"content": "Great read! This is the first I’ve heard of Mary Somerville and I certainly never considered when and when the term “Scientist” came into use. Neat!",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,481.680759 | ||
https://hackaday.com/2018/02/13/returning-a-lost-sheep-to-the-nasa-fold/ | Returning A Lost Sheep To The NASA Fold | Jenny List | [
"News",
"Radio Hacks"
] | [
"dead satellites",
"nasa",
"nasa image",
"nasa space",
"satellite",
"space"
] | About three weeks ago, we reported that a satellite enthusiast in Canada found an unexpected signal among his listening data. It was a satellite, and upon investigation it turned out to be NASA’s IMAGE satellite, presumed dead since a power failure in 2005 interrupted its mission to survey the Earth’s magnetosphere.
Th... | 48 | 7 | [
{
"comment_id": "4356994",
"author": "Julian Skidmore",
"timestamp": "2018-02-13T12:16:55",
"content": "…and the Daily Mail isn’t a reliable source:“Consensus has determined that the Daily Mail (including its online version, dailymail.co.uk) is generally unreliable, and its use as a reference is to ... | 1,760,374,481.580686 | ||
https://hackaday.com/2018/02/13/pipes-tees-and-gears-result-in-smooth-video-shots/ | Pipes, Tees, And Gears Result In Smooth Video Shots | Dan Maloney | [
"digital cameras hacks",
"Misc Hacks"
] | [
"bearing",
"camera",
"dolly",
"pan",
"pantograph",
"pipe",
"slider",
"swivel",
"tee",
"threaded",
"truck"
] | It’s depressingly easy to make bad videos, but it only takes a little care to turn that around. After ample lighting and decent audio — and not shooting in portrait — perhaps the biggest improvements come from stabilizing the camera while it’s moving. Giving your viewers motion sickness is bad form, after all, and to s... | 13 | 7 | [
{
"comment_id": "4356752",
"author": "Matthias",
"timestamp": "2018-02-13T10:23:04",
"content": "I don’t get what the smaller gears are needed for. Wouldn’t you get essentially the same setup using only the two bigger gears?",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,374,481.62746 | ||
https://hackaday.com/2018/02/12/pi-zero-gives-telescope-hands-free-focus/ | Pi Zero Gives Telescope Hands Free Focus | Tom Nardi | [
"hardware",
"Raspberry Pi"
] | [
"astronomy",
"astrophotography",
"Celestron 127SLT",
"pi zero",
"stepper motor",
"telescope"
] | It seems like [Jason Bowling] never gets tired of finding new ways to combine the Raspberry Pi with his love of the cosmos. This time he’s come up with a very straightforward way of
focusing his Celestron 127SLT with everyone’s favorite Linux SBC
. He found the focus mechanism on the scope to be a bit fiddly, and opera... | 7 | 3 | [
{
"comment_id": "4357258",
"author": "Jason Bowling",
"timestamp": "2018-02-13T14:01:49",
"content": "Hey, thanks for picking up the post, I appreciate it! I had a test run last night, and the system worked very well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,374,481.380213 | ||
https://hackaday.com/2018/02/12/worlds-stupidest-solid-state-disk-drive-hack/ | World’s Stupidest Solid State Disk Drive Hack | Al Williams | [
"computer hacks"
] | [
"sdcard",
"solid state disk drive",
"ssd"
] | The title might seem a little harsh, but it is a direct quote
from the video by [Linus Tech Tips]
that you can see below. He picked up a board that is a RAID 0 controller for up to ten SD cards so you can use them as a conventional SATA SSD. Of course, the channel’s tag line is “impractical solutions for improbable pro... | 126 | 36 | [
{
"comment_id": "4355714",
"author": "Buckaroo",
"timestamp": "2018-02-13T03:07:55",
"content": "I’ve always wanted an SATA (or even IDE before that) 5.25″, half-height drive that I could stuff full of old spare DDR2 memory sticks and turn into a ramdrive. A few such things were made, but they were ... | 1,760,374,481.991792 | ||
https://hackaday.com/2018/02/12/getting-started-with-stm8/ | Getting Started With STM8 | Al Williams | [
"Microcontrollers"
] | [
"microcontrollers",
"SDCC",
"ST Microcontrollers",
"stm8"
] | There are so many different CPUs today and often the hardest thing about using any of them is getting started and gathering the right software tools. If you’ve ever eyed up the very inexpensive STM8 processor, you’ll want to check out [Shane Burrell’s] video (see below) about
how to get started with the STM8
.
The STM8... | 17 | 12 | [
{
"comment_id": "4355409",
"author": "andrewjhull",
"timestamp": "2018-02-13T00:56:26",
"content": "You might also check out more STM8 related goodness (with a ‘duino flavour) here ->http://www.stm32duino.com/viewforum.php?f=52",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,482.043451 | ||
https://hackaday.com/2018/02/12/nanomap-mits-uncertain-solution-to-autonomous-navigation/ | MIT Breaks Autonomous Drone Speed Limits By Not Sweating Obstacles | Will Sweatman | [
"drone hacks"
] | [
"autonomous navigation",
"depth map",
"depth mapping",
"drone",
"mit",
"navigation",
"uav",
"uncertainty"
] | How does one go about programming a drone to fly itself through the real world to a location without crashing into something? This is a tough problem, made even tougher if you’re pushing speeds higher and high. But any article with “MIT” implies the problems being engineered are not trivial.
The folks over at MIT’s Com... | 29 | 9 | [
{
"comment_id": "4354313",
"author": "mime",
"timestamp": "2018-02-12T11:23:11",
"content": "“Basically, it gathers just enough information to know that it’s in a “certain area”, and then plans its flight path accordingly. It doesn’t attempt to calculate its exact location and orientation.”That’s li... | 1,760,374,482.182341 | ||
https://hackaday.com/2018/02/11/4-stroke-clock-fires-on-all-cylinders/ | 4-Stroke Clock Fires On All Cylinders | Kristina Panos | [
"clock hacks"
] | [
"Arduino Uno",
"engine simulator",
"four stroke",
"internal combustion engine",
"led matrix",
"rpm",
"rtc"
] | We love a good clock build around here, especially if it tells time in a unique way.
This 4-stroke digital clock designed by [lagsilva]
takes the checkered flag in that category. As it displays the time, it also demonstrates the operation of an internal combustion engine. The numbers take the form of pistons and dance ... | 8 | 5 | [
{
"comment_id": "4354123",
"author": "Mike Massen",
"timestamp": "2018-02-12T07:51:35",
"content": "Interesting, though watching this for any length of time can be exhausting,good thing my invective is suitably throttled & muffled lest I choke on the flow…",
"parent_id": null,
"depth": 1,
... | 1,760,374,481.723257 | ||
https://hackaday.com/2018/02/11/ibm-1401-runs-fortran-ii-once-more/ | IBM 1401 Runs FORTRAN II Once More | Adam Fabio | [
"computer hacks"
] | [
"IBM 1401",
"mainframe",
"retrocomputing",
"tape drive"
] | The IBM 1401 is undeniably a classic computer. One of IBM’s most “affordable” mainframes, it ruled the small business computing world of the 1960’s. Unfortunately, computers aren’t often thought of as treasured heirlooms, only a handful of these machines survive today. The computer history museum has two machines. One ... | 41 | 13 | [
{
"comment_id": "4353919",
"author": "Olsen",
"timestamp": "2018-02-12T03:09:41",
"content": "That is so cool!I’m glad two of these pretty beasts got to retire and relax in a museum.Kudos to those who got FORTRAN running.I still have some old punch cards in my basement from my dad that ran on some o... | 1,760,374,482.117232 | ||
https://hackaday.com/2018/02/11/hackaday-links-february-11-2018/ | Hackaday Links: February 11, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"bitcoin",
"CITES",
"contest",
"crowdfunding",
"emc",
"flite test",
"GPUs",
"mergers and acquisitions",
"Repairs You Can Print",
"testing"
] | Are you a student? Are you part of a hackerspace?
We have a contest going on right now where you can win a fancy new Prusa i3 MK3.
The Repairs You Can Print contest
is a challenge to do something useful with that machine that spits out tugboats. We’re looking for functional repairs of items around your house, office, o... | 20 | 5 | [
{
"comment_id": "4353623",
"author": "Ostracus",
"timestamp": "2018-02-12T00:19:05",
"content": "“A while ago, [Peter Jansen], the guy who built a tricorder and a laser-cut CT scanner, made a magnetic camera. This Hall Effect camera is a camera for magnetism instead of light. Now, this camera has be... | 1,760,374,484.345745 | ||
https://hackaday.com/2018/02/11/flood-damaged-386-gets-a-modern-rebuild/ | Flood Damaged 386 Gets A Modern Rebuild | Tom Nardi | [
"classic hacks",
"computer hacks",
"Microcontrollers"
] | [
"386",
"Case mod",
"CoreTemp",
"LED display",
"rebuild",
"Teensy 3.5"
] | Until a flood claimed its life, the 386 tower [Tylinol] found on the side of the road served him well as a DOS gaming rig. In the aftermath of the flood, the machine was left with ruined internals and a rusted case; it ended up being tossed in storage where it was slowly rotting away. But a recent idea got him to drag ... | 28 | 9 | [
{
"comment_id": "4353378",
"author": "Marty",
"timestamp": "2018-02-11T21:17:09",
"content": "Good build.I want to do something similar on an IBM PC/AT chassis. :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4353489",
"author": "buricco",
... | 1,760,374,484.161969 | ||
https://hackaday.com/2018/02/11/will-john-deere-finally-get-their-dmca-comeuppance/ | Will John Deere Finally Get Their DMCA Comeuppance? | Jenny List | [
"News",
"Slider",
"Transportation Hacks"
] | [
"dmca",
"john deere",
"Nebraska",
"tractor",
"tractor hacking"
] | When it comes to activism, there are many different grades of activist aside from the few who you may encounter quietly and effectively working for change in their field. There are the self-proclaimed activists who sit in their armchairs and froth online about whatever their Cause is, but ultimately aside from making a... | 114 | 32 | [
{
"comment_id": "4353236",
"author": "ejonesss",
"timestamp": "2018-02-11T18:46:06",
"content": "dont let them get their dmca way or they will abuse and hide behind the dmca to then cheat on environmental inspections when the time comes (remember vw scandal?)",
"parent_id": null,
"depth": 1... | 1,760,374,484.719875 | ||
https://hackaday.com/2018/02/11/plastic-model-emulates-the-first-untethered-spacewalk/ | Plastic Model Emulates The First Untethered Spacewalk | Donald Papp | [
"digital cameras hacks",
"Radio Hacks",
"Raspberry Pi"
] | [
"anniversary",
"balloon",
"Bruce McCandless",
"camera",
"gps",
"high-altitude",
"LoRa",
"MMU",
"model kit",
"nasa",
"photography",
"Pi camera",
"raspberry pi",
"revell",
"space",
"spacewalk",
"ublox"
] | Here’s something really wonderful. [Dave Akerman] wrote up
the results of his attempt to use a high-altitude balloon to try to re-create a famous image
of NASA’s Bruce McCandless floating freely in space with the Earth in the background. [Dave] did this in celebration of the 34th anniversary of the first untethered spa... | 18 | 8 | [
{
"comment_id": "4353069",
"author": "A guy",
"timestamp": "2018-02-11T15:39:48",
"content": "I wanted to see the entire descent. That would have been pretty cool. Great stuff though, gives me a bit of inspiration. Maybe a shuttle model…",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,484.035101 | ||
https://hackaday.com/2018/02/12/repairs-you-can-print-floor-lamp-is-now-several-shades-better/ | Repairs You Can Print: Floor Lamp Is Now Several Shades Better | Kristina Panos | [
"3d Printer hacks",
"contests"
] | [
"lamp shade",
"medusa lamp",
"Repairs You Can Print",
"torchiere lamp"
] | We all have that one possession—maybe more than one—that we’ve had forever and refuse to let go of, even though it has seen better days. When that something is a useful appliance, it can be heartbreaking to watch it deteriorate. For [Elmojo], that thing is a 10+ year old Medusa-style floor lamp. It still looks and work... | 8 | 2 | [
{
"comment_id": "4354997",
"author": "dfgh bcvbn",
"timestamp": "2018-02-12T21:31:55",
"content": "Yes, plastic and 20 to 100 watts of heat, great idea.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4355097",
"author": "dana",
"timestamp": "... | 1,760,374,483.975913 | ||
https://hackaday.com/2018/02/12/need-strength-its-modified-wood-you-want/ | Need Strength? It’s Modified Wood You Want! | Jenny List | [
"chemistry hacks"
] | [
"cellulose",
"densified wood",
"lignin",
"strengthened wood",
"wood"
] | Wood is surely one of the most versatile materials available. It can be found in a huge variety of colours and physical properties depending on the variety of the tree that grew it, and it has been fashioned into all conceivable devices, products, and structures over millenia. It’s not without shortcomings though, and ... | 29 | 11 | [
{
"comment_id": "4354869",
"author": "TGT",
"timestamp": "2018-02-12T19:44:34",
"content": "Certain strains of wood even have properties which make them work well as self-lubricating plain bearings, Lignum Vitae being a good example. Back in the days when roller bearings were too complex / expensive... | 1,760,374,484.407069 | ||
https://hackaday.com/2018/02/12/salyut-how-we-learned-to-make-space-stations/ | Salyut: How We Learned To Make Space Stations | Steven Dufresne | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"cold war",
"international space station",
"salyut",
"Soviet Union",
"space",
"space station",
"USSR"
] | When you think about space stations, which ones come to mind first? You might think
Skylab
, the
International Space Station (ISS)
, or maybe Russia’s Mir. But before any of those took to the heavens, there was Salyut.
Russia’s Salyut 1 was humankind’s first space station. The ensuing Salyut program lasted fifteen year... | 61 | 11 | [
{
"comment_id": "4354737",
"author": "dave",
"timestamp": "2018-02-12T18:16:27",
"content": "Many were one visit stations, and at least one(Almaz) had a 23mm Nudelman aircraft canon only fired after the station was evacuated at the end of mission and a manned reconnaissance telescope system similar ... | 1,760,374,484.575203 | ||
https://hackaday.com/2018/02/12/the-furby-organ/ | The Furby Organ | Steven Dufresne | [
"Musical Hacks",
"Slider"
] | [
"arduino",
"furby",
"organ",
"synthesis"
] | Sometimes you have an idea that is so brilliant and so crazy that you just have to make it a reality. In 2011, [Look Mum No Computer] drew up plans in his notebook for a Furby organ,
an organ comprised of a keyboard and a choir of Furbies
. For those who don’t know what a Furby is, it’s a small, cute, furry robotic toy... | 30 | 20 | [
{
"comment_id": "4354640",
"author": "Max Siegieda (@CampGareth)",
"timestamp": "2018-02-12T17:05:00",
"content": "Now I know what tonight’s nightmare will be about",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4354675",
"author": "Skinny",
... | 1,760,374,484.097948 | ||
https://hackaday.com/2018/02/12/hands-on-with-the-smallest-game-boy-ever-made/ | Hands On With The Smallest Game Boy Ever Made | Brian Benchoff | [
"Crowd Funding",
"Hackaday Columns",
"handhelds hacks",
"Reviews",
"Slider"
] | [
"Crowd Funding",
"crowdfunding",
"ESP-32",
"ESP32",
"gameboy",
"sprite_tm",
"wifi"
] | The PocketSprite is the tiniest fully-functional Game Boy Color and Sega Master System emulator. Not only is it small enough to fit in your pocket, it’s small enough to
lose
in your pocket.
It’s now available as a Crowd Supply campaign
, and it’s everything you could ever want in a portable, WiFi-enabled, fully hackabl... | 26 | 17 | [
{
"comment_id": "4354521",
"author": "CRJEEA",
"timestamp": "2018-02-12T15:15:51",
"content": "Next, so small you have to play it with a toothpick. Wifi controller would sort of defeat the object.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4354854",
... | 1,760,374,484.475 | ||
https://hackaday.com/2018/02/12/early-bird-tickets-for-hackaday-belgrade/ | Early Bird Tickets For Hackaday Belgrade | Mike Szczys | [
"cons",
"Featured"
] | [
"Hackaday Belgrade",
"Hackaday Belgrade 2018"
] | Early Bird tickets for Hackaday Belgrade
have just gone on sale, but they will not last long. This is Hackaday’s premier European hardware conference with talks, workshops, great food and drink, entertainment, and a hardware badge for hacking and demos. Festivities will go all day on 26 May and carry long into the nigh... | 11 | 8 | [
{
"comment_id": "4354424",
"author": "Andre van Kammen",
"timestamp": "2018-02-12T13:29:57",
"content": "I’m from the north of the Netherlands, this is a bit to far from my home to worry about the ticket price. It would cost me at least 300 to 400 Euro’s to get there and back.",
"parent_id": nul... | 1,760,374,484.295413 | ||
https://hackaday.com/2018/02/12/stepping-up-your-python-printf-debugging-game/ | Stepping Up Your Python Printf Debugging Game | Sven Gregori | [
"Software Development"
] | [
"code analysis",
"debugger",
"debugging",
"python",
"web interface"
] | Debuggers come in all shapes and sizes, offering a variety of options to track down your software problems and inspecting internal states at any given time. Yet some developers have a hard time breaking the habit of simply adding print statements into their code instead, performing manual work their tools could do for ... | 4 | 4 | [
{
"comment_id": "4354388",
"author": "Dave",
"timestamp": "2018-02-12T12:56:26",
"content": "This looks very promising. Useful and looks good as well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4354499",
"author": "Bob",
"timestamp": "2018-02-12T14... | 1,760,374,484.757772 | ||
https://hackaday.com/2018/02/09/esp8266-broadcasts-memorial-wifi-spam/ | ESP8266 Broadcasts Memorial WiFi Spam | Tom Nardi | [
"Microcontrollers",
"Software Hacks",
"Wireless Hacks"
] | [
"beacon",
"eff",
"ESP8266",
"fake network",
"John Perry Barlow",
"wifi"
] | John Perry Barlow, founding member of the Electronic Frontier Foundation and Freedom of the Press Foundation, died on February 7th, 2018. To say that he left his mark on the Internet, and by extension modern culture, is something of an understatement. He may not be a household name, but between this activism (online an... | 25 | 12 | [
{
"comment_id": "4350338",
"author": "Ostracus",
"timestamp": "2018-02-09T19:35:04",
"content": "Sure beats carving one’s name into the moon.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4350489",
"author": "Doug",
"timestamp": "2018-02-09T... | 1,760,374,485.383127 | ||
https://hackaday.com/2018/02/09/review-cxg-e90w-temperature-controlled-soldering-iron/ | Review: CXG E90W Temperature-Controlled Soldering Iron | Jenny List | [
"Featured",
"Reviews",
"Tool Hacks"
] | [
"CXG E90W",
"review",
"soldering",
"soldering iron",
"temperature controlled soldering iron",
"temperature controller"
] | It’s an entertaining pastime when browsing the array of wonders available from the other side of the world at the click of the mouse, to scour the listings of the unusual, the interesting, or the inexpensive. Sometimes when you find something unexpected you are rewarded with a diamond in the rough, while at other momen... | 50 | 27 | [
{
"comment_id": "4350304",
"author": "Nate B",
"timestamp": "2018-02-09T18:46:58",
"content": "How’s the temperature accuracy and recovery time?Okay, now I have to get one and do my own test…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4350327",
"author... | 1,760,374,485.508076 | ||
https://hackaday.com/2018/02/09/a-risc-v-that-the-rest-of-us-can-understand/ | A RISC-V That The Rest Of Us Can Understand | Jenny List | [
"computer hacks"
] | [
"home-made cpu",
"risc",
"RISC processor",
"RISC-V"
] | There is great excitement in the world of microprocessors, surrounding the RISC-V architecture. This is an open source modular instruction set specification that has seen implementations on FPGAs, and is starting to emerge in dedicated silicon.
If you are not yet up to speed on what is probably going to be the most imp... | 32 | 7 | [
{
"comment_id": "4350200",
"author": "Ostracus",
"timestamp": "2018-02-09T17:07:06",
"content": "Accessible, performance is the other thing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4350340",
"author": "fhunter",
"timestamp": "2018-02-0... | 1,760,374,485.882367 | ||
https://hackaday.com/2018/02/09/hacking-when-it-counts-churchills-toy-shop/ | Hacking When It Counts: Churchill’s Toy Shop | Dan Maloney | [
"Engineering",
"History",
"Original Art",
"Weapons Hacks"
] | [
"Churchill's Toyshop",
"explosives",
"hacking when it counts",
"limpet mine",
"MD1",
"Ministry of Defence 1",
"sticky bomb",
"time pencil",
"wwii"
] | Nothing brings out the worst in humanity like war. Perversely, war also seems to exert an opposite if not equal force that leads to massive outbursts of creativity, the likes of which are not generally seen during times of peace. With inhibitions relaxed and national goals to meet, or in some cases where the very survi... | 47 | 13 | [
{
"comment_id": "4350119",
"author": "Peter Neilson",
"timestamp": "2018-02-09T15:27:00",
"content": "Five and dime? In England? The UK Woolworth’s advertised, “Nothing in these stores over 6d.” Threepence and sixpence, more likely.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,485.753966 | ||
https://hackaday.com/2018/02/09/neural-network-electrocutes-you-to-take-better-photographs/ | Neural Network Zaps You To Take Better Photographs | Dan Maloney | [
"digital cameras hacks"
] | [
"electrical nerve stimulation",
"neural net",
"Pi Cam",
"raspberry pi",
"shock",
"stimulation",
"TENS",
"tensorflow",
"transcutaneous"
] | It’s ridiculously easy to take a bad photograph. Your brain is a far better Photoshop than Photoshop, and the amount of editing it does on the scenes your eyes capture often results in marked and disappointing differences between what you saw and what you shot.
Taking your brain out of the photography loop is the goal ... | 38 | 13 | [
{
"comment_id": "4349979",
"author": "J.C. Wren",
"timestamp": "2018-02-09T12:10:28",
"content": "The best way selfies can be improved with this technique is if the involuntary muscle contraction slammed the phone into users head.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,485.821624 | ||
https://hackaday.com/2018/02/09/mini-spy-bug-walkthrough/ | Mini Spy Bug Walkthrough | Steven Dufresne | [
"Arduino Hacks"
] | [
"arduino pro mini",
"audio bug",
"bug",
"electret microphone",
"microsd"
] | What we like most about [GreatScott’s] project videos is that he not only shows making them but also the calculations for selecting parts and the modifications along the way. This time he’s made a
mini spy bug that records up to nine hours of audio
.
His first task was to figure out if the ATmega328p’s ADC is suitable ... | 18 | 5 | [
{
"comment_id": "4349904",
"author": "Egg",
"timestamp": "2018-02-09T10:21:41",
"content": "Get a fucking grip of yourself, it’s entirely ok to build these things out of idol curiosity. If someone is going to build a bug to listen to something they’re going to do it and it’s not like there isn’t a m... | 1,760,374,485.560022 | ||
https://hackaday.com/2018/02/08/ride-bike-charge-phone/ | Ride Bike, Charge Phone | Kristina Panos | [
"Cellphone Hacks",
"classic hacks",
"how-to"
] | [
"booster",
"motor as generator",
"phone charger"
] | Spring is coming to the northern hemisphere, and soon it’ll be nice enough outside to tool around town on your bicycle. But bikes don’t have power outlets, so phone charging on the go will require forethought and charged-up battery packs. It doesn’t have to be that way. You’re working to make the bike move, so why not ... | 49 | 18 | [
{
"comment_id": "4349712",
"author": "jdawgswords",
"timestamp": "2018-02-09T06:17:33",
"content": "Similar to a generator we had as kids in the 70s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4349746",
"author": "Dax",
"timestamp": "2018-... | 1,760,374,485.256187 | ||
https://hackaday.com/2018/02/10/usb-to-quad-serial-port-adapter-offers-ttl-isolated-ports/ | USB To Quad Serial Port Adapter Offers TTL, Isolated Ports | Richard Baguley | [
"hardware"
] | [
"ftdi",
"Quad SErial",
"USB to serial"
] | [Felipe Navarro] wanted to add a few serial ports to his computer, but couldn’t find an adapter that suited his needs. So, he built his own.
His
Quad Serial device
is a nicely designed converter that offers four serial ports, two of which are isolated to avoid blowing up too much stuff if things go wrong. The other two... | 30 | 8 | [
{
"comment_id": "4351007",
"author": "Jerry",
"timestamp": "2018-02-10T15:04:46",
"content": "If it does blow up, is that technically a “Serial Killer”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4351031",
"author": "Ostracus",
"timestamp... | 1,760,374,485.318316 | ||
https://hackaday.com/2018/02/10/heated-drybox-banishes-filament-moisture-for-under-20/ | Heated DryBox Banishes Filament Moisture For Under $20 | Donald Papp | [
"3d Printer hacks",
"how-to"
] | [
"3d printed",
"3d printing",
"desiccant",
"drybox",
"FDM",
"FFF",
"filament",
"filament dispenser",
"filament storage",
"heated drybox",
"heater",
"heating pad",
"humidity",
"sensor",
"spool",
"temperature"
] | There has been a lot of activity from [Richard Horne] regarding 3D printing filaments lately; most recently he has shared two useful designs for upping one’s filament storage and monitoring game. The first is for a
DIY Heated DryBox for 3D printing filament
. It keeps filament dry not just by sealing it into a plastic ... | 39 | 13 | [
{
"comment_id": "4350919",
"author": "Ostracus",
"timestamp": "2018-02-10T12:46:17",
"content": "Is environmental moisture that big of a problem? Printer filament as the core of a dehumidifier? Hopefully the printing process takes away some of that problem.",
"parent_id": null,
"depth": 1,
... | 1,760,374,485.957598 | ||
https://hackaday.com/2018/02/10/all-the-stuff-you-wished-you-knew-about-fourier-transforms-but-were-afraid-to-ask/ | All The Stuff You Wished You Knew About Fourier Transforms But Were Afraid To Ask | Jenny List | [
"Misc Hacks"
] | [
"Fourier",
"fourier transform",
"mathematics"
] | The Fourier transform underpins so much of our technological lives, in most cases probably without our realising it. The ability to mathematically split a waveform into its frequency components and vice versa underpins much of the field of digital signal processing, and DSP has become an essential part of many electron... | 51 | 14 | [
{
"comment_id": "4350833",
"author": "Daniel",
"timestamp": "2018-02-10T10:02:59",
"content": "Our linear algebra professor explained the Fourier transform to us in our first year as a base transform of the complex function space with a special orthogonal base. After she had written those three line... | 1,760,374,486.042711 | ||
https://hackaday.com/2018/02/09/curing-a-parrots-amnesia-with-bleah/ | Curing A Parrot’s Amnesia With BLEAH | Tom Nardi | [
"home hacks",
"Repair Hacks",
"Software Hacks"
] | [
"ble",
"BLEAH",
"bluetooth",
"flower power",
"parrot"
] | [Dandu] recently wrote in to tell us how he managed to
revive his Parrot Flower Power after the manufacturer told him it couldn’t be repaired.
To save you the trouble of opening Google in another tab, the Parrot Flower Power is a Bluetooth Low Energy (BLE) “smart” device for your flower pot. Because
of course
that’s a ... | 6 | 3 | [
{
"comment_id": "4350849",
"author": "Dan",
"timestamp": "2018-02-10T10:36:47",
"content": "It’s crazy you can just push config info into BLE devices like this. Did they really not think this would be a problem?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,486.08598 | ||
https://hackaday.com/2018/02/09/celebrating-the-olympics-with-flaming-windmills/ | Celebrating The Olympics With Flaming Windmills | Tom Nardi | [
"Misc Hacks"
] | [
"cnc",
"Fusion 360",
"olympics",
"persistance of vision",
"steel wool",
"wood"
] | Like many of us, [Gustav Evertsson] was looking for an excuse to set stuff on fire and spin it around really fast to see what would happen. Luckily for him (and us) the Winter Olympics have started, which ended up being the perfect guise for this particular experiment. With some motors from eBay and some flaming steel ... | 5 | 4 | [
{
"comment_id": "4350780",
"author": "agopaj",
"timestamp": "2018-02-10T07:41:36",
"content": "So much effort for a ‘meh’ result. Putin would be proud.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4350813",
"author": "gant",
"timestamp": "2018-02-10T... | 1,760,374,486.143553 | ||
https://hackaday.com/2018/02/09/custom-parts-feeder-aims-to-keep-pace-with-pick-and-place/ | Custom Parts Feeder Aims To Keep Pace With Pick And Place | Dan Maloney | [
"Tool Hacks"
] | [
"ATmega168",
"component",
"parts",
"pcb",
"pick and place",
"pnp",
"reels",
"sprocket"
] | When your widgets have proven so successful that building them gets to be a grind, it might be time to consider a little mechanical help in the form of a pick and place machine (PnP). If you’re going to roll your own though, there’s a lot to think about, not the least of which is how to feed your beast with parts.
Mana... | 6 | 2 | [
{
"comment_id": "4350586",
"author": "Joel",
"timestamp": "2018-02-10T01:27:01",
"content": "Yep, that fine toothed drive wheel is tricky to build, but we did get a few laser-etched out of stainless steel.We used inkscape’s gear path generator, and then manually removed every second tooth.Full discl... | 1,760,374,486.41342 | ||
https://hackaday.com/2018/02/09/the-latest-3d-printed-fad-flexible-armor-and-pangolin-cosplay/ | The Latest 3D Printed Fad: Flexible Armor And Pangolin Cosplay | Brian Benchoff | [
"3d Printer hacks"
] | [
"3D printable fabric",
"cosplay",
"fabric",
"fashion",
"scales"
] | Last week, [David Shorey] came along to the monthly Hackaday meetup in Pasadena. These meetups feature speakers and drinks, projects and chit-chat, and sometimes a few demos of what the local Hackaday community has been working on. [David]’s impromptu demo
was something no one had ever seen before
. It’s 3D printed til... | 27 | 7 | [
{
"comment_id": "4350446",
"author": "Ostracus",
"timestamp": "2018-02-09T21:13:15",
"content": "Hmmm, DIY body armor. Goes great with the printed gun. ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4350627",
"author": "TGT",
"timestamp":... | 1,760,374,486.31094 | ||
https://hackaday.com/2018/02/08/the-tachometer-inside-your-smartphone/ | The Tachometer Inside Your Smartphone | Dan Maloney | [
"Tool Hacks"
] | [
"bandsaw",
"fft",
"router",
"rpm",
"shaft",
"spectrum analyzer",
"table saw",
"Tach",
"tachometer",
"tooling"
] | It’s the latest in instrumentation for the well-appointed shop — an acoustically coupled fast Fourier transform tachometer. Sounds expensive, but it’s really just
using a smartphone spectrum analyzer app to indirectly measure tool speeds
. And it looks like it could be incredibly handy.
Normally, non-contact tachometer... | 26 | 14 | [
{
"comment_id": "4348795",
"author": "Will",
"timestamp": "2018-02-08T12:19:38",
"content": "I downloaded a free app called Giri that does the same thing – except it actually gives you an RPM readout. No idea how accurate it is, haven’t put a physical tach on anything I’ve measured with it.",
"p... | 1,760,374,486.201149 | ||
https://hackaday.com/2018/02/08/cat-plays-the-silver-ball-for-treats/ | Cat Plays The Silver Ball For Treats | Kristina Panos | [
"classic hacks",
"Toy Hacks"
] | [
"acrylic",
"cat training",
"Glowforge",
"Laser cutting",
"lever",
"pinball",
"treat dispenser"
] | It’s pretty easy to train a dog to do things for treats. They’re eager to please. But a cat? Most cats have better things to do than learn tricks no matter how many treats are involved. But if you make an autonomous game out of learning a trick, they just might go for it.
That’s the idea behind
Touchy Fishy, a pinball ... | 12 | 8 | [
{
"comment_id": "4348951",
"author": "jwebola",
"timestamp": "2018-02-08T13:17:08",
"content": "++1!I LOVE IT!! I have 4 felines and they would love this! KUDOS! Great design and fantastic idea!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4349024",
"aut... | 1,760,374,486.74811 | ||
https://hackaday.com/2018/02/07/not-your-typical-pov-clock/ | Not Your Typical POV Clock | Dan Maloney | [
"clock hacks"
] | [
"clock",
"glow in the dark",
"nano",
"phosphor",
"phosphorescent",
"POV",
"rtc",
"uv"
] | Persistence of vision displays are fun, and a natural for clocks, but they’re getting a little Nixie-ish, aren’t they? There are only so many ways to rotate LEDs and light them up, after all. But here’s something a little different:
a POP, or “persistence of phosphorescence” clock
.
[Chris Mitchell] turned the POV mode... | 23 | 11 | [
{
"comment_id": "4348227",
"author": "Ostracus",
"timestamp": "2018-02-08T06:05:51",
"content": "“persistence of phosphorescence”Training bioluminescence organisms to turn on and off on command.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4348230",
"aut... | 1,760,374,486.701899 | ||
https://hackaday.com/2018/02/07/steam-fabrikarium-mumbai/ | S.T.E.A.M. Fabrikarium Builds Assistive Tech In Mumbai | Anool Mahidharia | [
"Hackerspaces"
] | [
"3d printed prosthetic",
"Bonjour-India",
"braille",
"disability",
"France",
"india",
"Maker's Asylum",
"My Human Kit",
"myoelectric",
"physical disability",
"Prosthesis",
"WheelChair"
] | Starting this weekend, a group of 65 invited Maker’s from various disciplines, along with 20 awesome Mentors, will gather at the Maker’s Asylum in Mumbai for the five day
S.T.E.A.M. Fabrikarium
program. The aim is to improve the capabilities of the differently-abled by building and expanding upon existing open source p... | 3 | 1 | [
{
"comment_id": "4348591",
"author": "AKA the A",
"timestamp": "2018-02-08T09:51:58",
"content": "Hate to sound negative, but I don’t it’s a good idea to have a rigid chair under you when paragliding, the lack of suspension could cause damage to the spine even with a not-so-hard landing.The Troti-e ... | 1,760,374,486.595406 | ||
https://hackaday.com/2018/02/07/a-freeze-dryer-you-can-build-in-your-garage/ | A Freeze Dryer You Can Build In Your Garage | Brian McEvoy | [
"how-to",
"Tool Hacks"
] | [
"cryodesiccation",
"cryogel",
"dehydrate",
"freeze-dryer",
"lyophilization",
"pump",
"vacuum"
] | What do trail mix, astronaut ice-cream, and cryogel have in common? This may sound like the introduction to a corny riddle, but they are all things you can make in your garage with a homemade freeze dryer. [The Thought Emporium] built his own
freeze dryer
with minimum fuss and only a few exotic components like a vacuum... | 41 | 13 | [
{
"comment_id": "4347992",
"author": "reggy",
"timestamp": "2018-02-08T03:31:43",
"content": "Cool project but I suspect the fly in the ointment for most people is going to be the vacuum pump. And after watching the video, if it takes 16 hours for the process to run I suspect the dry ice bill gets ... | 1,760,374,487.051205 | ||
https://hackaday.com/2018/02/07/home-made-8-bit-cpu-is-a-wiry-blinky-build/ | Home Made 8-Bit CPU Is A Wiry Blinky Build | Richard Baguley | [
"computer hacks"
] | [
"8-bit computers",
"breadboard",
"cpu",
"homemade cpu",
"shift register"
] | It might look like a random pile of wires to some, but it is far from random: [Paulo Constantino] built this
8-bit CPU himself from scratch
. He built his remarkable creation using wires and 74HC shift register chips, plus a selection of LEDs to show the various registers.
Running at a maximum of 5MHz, it has an 8-bit ... | 39 | 24 | [
{
"comment_id": "4347734",
"author": "Hong's Electronics LLC (@ElectronicsbyJH)",
"timestamp": "2018-02-08T00:08:04",
"content": "Could have done it with a 555 timer?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4348666",
"author": "Dave Davidson",... | 1,760,374,486.980597 | ||
https://hackaday.com/2018/02/07/motorized-mini-excavator-rises-from-sheets-of-plywood/ | Motorized Mini Excavator Rises From Sheets Of Plywood | Dan Maloney | [
"Slider",
"Toy Hacks"
] | [
"CNC router",
"digger",
"excavator",
"linear actuator",
"plywood",
"track",
"trackhoe"
] | Fathers of Hackaday, we’ve got bad news — you’ve been out-fathered. Behold the mechanism of your undoing:
a working miniature excavator, executed in plywood
.
To be fair, the rules of the game have changed lately. Time was when a nipper would ask for the impossible, and we dads would never have to deliver. But with CNC... | 51 | 20 | [
{
"comment_id": "4347549",
"author": "Patrick",
"timestamp": "2018-02-07T21:30:53",
"content": "No doubt this kid is the envy of all his friends !!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4347810",
"author": "Khordas",
"timestamp": "... | 1,760,374,486.909055 | ||
https://hackaday.com/2018/02/08/voice-user-interface-design-practices/ | Voice User Interface Design Practices | Al Williams | [
"Software Development"
] | [
"Amazon Echo",
"google home",
"siri",
"voice command"
] | Websites used to be uglier than they are now. Sure, you can still find a few disasters, but back in the early days of the Web you’d have found blinking banners, spinning text, music backgrounds, and bizarre navigation themes. Practices evolve, and now there’s much less variation between professionally-designed sites.
I... | 20 | 5 | [
{
"comment_id": "4349620",
"author": "BillSF9c",
"timestamp": "2018-02-09T03:13:28",
"content": "I taught our rescued-dog hand signals. When humans talk, I don’t want to interrupt to tell the dog something. I don’t talk to automated bank machines. I’ll be damned if I will interrupt myself or somebod... | 1,760,374,487.101287 | ||
https://hackaday.com/2018/02/08/count-your-fans-with-this-stylish-esp8266-display/ | Count Your Fans With This Stylish ESP8266 Display | Tom Nardi | [
"hardware",
"internet hacks",
"Microcontrollers"
] | [
"7 segment LED display",
"counter",
"display",
"ESP8266",
"Social Media"
] | Continuous self-affirmation is a vital component to the modern lifestyle. Of course you know the world loves you, but
exactly how much
do they love you? Checking your phone every few minutes to see if you’ve gained any followers is gauche, and perhaps more to the point, doesn’t let you show off when you’ve got visitors... | 15 | 10 | [
{
"comment_id": "4349521",
"author": "Daniel",
"timestamp": "2018-02-09T00:06:00",
"content": "I’d rather use an ESP8266 to control my fans. The ones on the ceiling in every room. Some sort of smart velocity control based on temperature, humidity, and external airflow as there is no point running th... | 1,760,374,487.155601 | ||
https://hackaday.com/2018/02/08/build-a-tiny-hot-wire-foam-cutter/ | Build A Tiny Hot Wire Foam Cutter | Kristina Panos | [
"classic hacks",
"how-to",
"Tool Hacks"
] | [
"18650",
"expanded polystyrene",
"hot wire foam cutter",
"nichrome wire",
"styrofoam"
] | Let’s face it: cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded polystyrene kind of foam used for everything from coffee cups to packaging material.
Those stick-type hot wire cutters from th... | 34 | 18 | [
{
"comment_id": "4349429",
"author": "Pez",
"timestamp": "2018-02-08T21:12:53",
"content": "Pretty cool! If you put paper cutouts on the surface, you can use them as very precise cutting guides. The hot wire breezes through the foam, but is halted by the paper..https://www.google.com/amp/www.instr... | 1,760,374,487.226283 | ||
https://hackaday.com/2018/02/08/large-format-videography/ | Large Format…Videography? | Jenny List | [
"digital cameras hacks"
] | [
"camera",
"digital camera",
"large format",
"large format camera"
] | Large format photography gives a special quality to the images it produces, due to the differences in depth of field and resolution between it and its more modern handheld equivalents. Projecting an image the size of a dinner plate rather than a postage stamp has a few drawbacks though when it comes to digital photogra... | 41 | 11 | [
{
"comment_id": "4349392",
"author": "f00barbob",
"timestamp": "2018-02-08T20:03:07",
"content": "“manufacturersdo” … Guys, please.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4349393",
"author": "f00barbob",
"timestamp": "2018-02-08T20:04... | 1,760,374,487.300182 | ||
https://hackaday.com/2018/02/08/how-current-shunts-work/ | How Current Shunts Work | Lewin Day | [
"Engineering",
"Featured",
"Original Art"
] | [
"basic principles",
"current",
"current sensing",
"current shunt",
"electricity",
"esc",
"hackaday 101",
"manganin",
"measurement",
"motor controller",
"resistor",
"resistors",
"speed control",
"speed controller"
] | Current. Too little of it, and you can’t get where you’re going, too much and your hardware’s on fire. In many projects, it’s desirable to know just how much current is being drawn, and even more desirable to limit it to avoid catastrophic destruction. The humble current shunt is an excellent way to do just that.
Ohm’s... | 55 | 13 | [
{
"comment_id": "4349296",
"author": "Marek Materzok",
"timestamp": "2018-02-08T18:13:04",
"content": "Obligatory:https://www.youtube.com/watch?v=j4u8fl31sgQ",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4349359",
"author": "Xerox",
"timesta... | 1,760,374,487.39044 | ||
https://hackaday.com/2018/02/08/electric-snowblower-does-the-job-with-240-volts/ | Electric Snowblower Does The Job With 240 Volts | Jenny List | [
"Engine Hacks"
] | [
"240V",
"electric snowblower",
"snow",
"snowblower"
] | In parts of the world where it snows a lot and there are requirements for homeowners to keep sidewalks clear, a personal snowblower is it seems an essential piece of equipment. They have traditionally used internal combustion engines, but electric models are also available.
[Joel Clemens] is not impressed by the commer... | 89 | 14 | [
{
"comment_id": "4349187",
"author": "Jeffrey",
"timestamp": "2018-02-08T16:34:02",
"content": "What could go wrong?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4349666",
"author": "OLD_HACK",
"timestamp": "2018-02-09T04:47:46",
"c... | 1,760,374,487.508738 | ||
https://hackaday.com/2018/02/08/printed-lockable-ball-and-socket-helping-hands-plus/ | Printed It: Do More With Lockable Ball And Socket Helping Hands | Steven Dufresne | [
"3d Printer hacks",
"Hackaday Columns",
"Skills",
"Slider",
"Tool Hacks"
] | [
"3d printed",
"3d printing",
"ball and socket",
"helping hands",
"magnets",
"magnifying glass",
"Printed It"
] | In one hand you hold the soldering iron, in the other the solder, and in two more hands the parts you’re trying to solder together. Clearly this is a case where helping hands could be useful.
Magnifying glass with helping hands
Luckily helping hands are easy to make,
coolant hoses will do the job at under $10
. Attach ... | 28 | 7 | [
{
"comment_id": "4349120",
"author": "A Human Individual",
"timestamp": "2018-02-08T15:41:19",
"content": "” coolant hoses will do the job at under $10″I would never discourage anyone from making something themselves. Even when there is no other benefit it is very rewarding. Every time you use or e... | 1,760,374,487.634808 | ||
https://hackaday.com/2018/02/11/xbox-needs-no-tv/ | Xbox Needs No TV | Bryan Cockfield | [
"Xbox Hacks"
] | [
"composite",
"console",
"lcd",
"mod",
"screen",
"xbox"
] | If you want a custom video game system, you could grab a used computer, throw an emulator on it, and build yourself a custom arcade cabinet. On the other hand, if you’d rather not deal with emulators, you can always use a console and modify it into your own tiny arcade cabinet using the original hardware. That’s what t... | 12 | 5 | [
{
"comment_id": "4352911",
"author": "BiN4RY (@binexec)",
"timestamp": "2018-02-11T12:04:35",
"content": "So much hot glue!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4352929",
"author": "elwing",
"timestamp": "2018-02-11T12:22:22",
"content": ... | 1,760,374,487.559951 | ||
https://hackaday.com/2018/02/11/push-big-red-button-receive-power/ | Push Big Red Button, Receive Power. | James Hobson | [
"ATtiny Hacks"
] | [
"ac",
"gun",
"iron",
"plug",
"safety",
"soldering",
"timer"
] | As with the age-old panic after realizing you have left an oven on, a cand
le lit, and so on, a soldering tool left on is a potentially serious hazard. Hackaday.io user [Nick Sayer] had gotten used to his Hakko soldering iron’s auto shut-off and missed that feature on his de-soldering gun of the same make. So, what was... | 41 | 13 | [
{
"comment_id": "4352707",
"author": "Dave Davidson",
"timestamp": "2018-02-11T09:19:19",
"content": "Could’ve been done with stick of Gum a 555 timer one Victorinox Swiss Army Knife and 80’s theme music.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "435289... | 1,760,374,488.313309 | ||
https://hackaday.com/2018/02/10/zen-and-the-art-of-foam-core/ | Zen And The Art Of Foam Core | Brian McEvoy | [
"how-to",
"Misc Hacks"
] | [
"craft",
"cut",
"foam",
"foam core",
"paper",
"Skill"
] | Some of our pastimes are so deeply meditative that we lose ourselves for hours. Our hands seem to perform every step, and sequence like a pianist might recite her favorite song. If [Eric Strebel]’s voice and videos are any indications, working with foam core can have that effect.
Foam core is a staple of art stores, ho... | 26 | 10 | [
{
"comment_id": "4352465",
"author": "ergthyjk",
"timestamp": "2018-02-11T07:17:35",
"content": "Why bother when you can just 3D print the bloody thing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4353163",
"author": "TGT",
"timestamp": "2... | 1,760,374,487.968253 | ||
https://hackaday.com/2018/02/10/membership-ring-of-the-electronic-illuminati/ | Membership Ring Of The Electronic Illuminati | Mike Szczys | [
"classic hacks",
"Wearable Hacks"
] | [
"cordwood",
"Cyborg Ring",
"finger ring",
"led ring",
"omg how?",
"ring",
"structural resistors",
"surface mount magic",
"wearable ring",
"Zach Fredin"
] | When the cabal of electronic design gurus that pull the invisible strings of the hardware world get together, we imagine they have to show this ring to prove their identity. This is the work of [Zach Fredin], and you’re going to be shocked by
the construction and execution of what he calls Cyborg Ring
.
The most obviou... | 21 | 9 | [
{
"comment_id": "4352183",
"author": "Saabman",
"timestamp": "2018-02-11T03:53:37",
"content": "I wonder if it could be possible to get the batteries mounted in the face of the ring behind the LED’s rather than in the palm of the hand",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,374,488.025562 | ||
https://hackaday.com/2018/02/10/whats-coming-in-kicad-version-5/ | What’s Coming In KiCad Version 5 | Brian Benchoff | [
"News",
"Tool Hacks"
] | [
"eda",
"FOSDEM",
"KiCAD",
"pcb",
"schematic"
] | Way back in the day, at least five years ago, if you wanted to design a printed circuit board your best option was Eagle. Now, Eagle is an Autodesk property, the licensing model has changed (although there’s
still
a free version, people) and the Open Source EDA suite KiCad is getting better and better. New developers a... | 89 | 20 | [
{
"comment_id": "4351920",
"author": "Philippe",
"timestamp": "2018-02-11T00:14:00",
"content": "Unjustly annoyed? Excuse me! I will be annoyed as much as I want about paying for a hobbyist license and getting ripped on the subsequent release.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,488.146975 | ||
https://hackaday.com/2018/02/10/esp32-weather-station-on-a-pcb/ | ESP32 Weather Station On A PCB | Al Williams | [
"Microcontrollers"
] | [
"ajax",
"ESP32",
"weather station"
] | We see lots of ESP8266 projects, but considerably fewer for the ESP32. So this good-looking
weather station on a PCB using an ESP32
caught our eye. The board has a few sockets for common weather gear, but with a little modification, it would be a great carrier for an ESP32. Since the PCB layout is available, you could ... | 19 | 6 | [
{
"comment_id": "4351724",
"author": "iuhyufty",
"timestamp": "2018-02-10T21:18:37",
"content": "tl;dw",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4351728",
"author": "scott t",
"timestamp": "2018-02-10T21:25:43",
"content": "looks nice, I expec... | 1,760,374,487.808453 | ||
https://hackaday.com/2018/02/10/reverse-engineering-a-bitcoin-miner/ | Reverse Engineering A Bitcoin Miner | Tom Nardi | [
"hardware"
] | [
"Antminer",
"bitcoin",
"BM1380",
"reverse engineering",
"uart"
] | If you’re brave enough to have dipped your toes into the Wild West that is cryptocurrency, you probably know that people have long since abandoned trying to mine on their desktop computers. Farms of GPUs are all the rage now, but dedicated mining hardware has also enjoyed a following among those who are serious about t... | 52 | 13 | [
{
"comment_id": "4351235",
"author": "omynonymous",
"timestamp": "2018-02-10T18:09:20",
"content": "I wonder if n2 would cool enough to make overclocking worthwhile?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4351242",
"author": "Artenz",
... | 1,760,374,488.233443 | ||
https://hackaday.com/2018/02/07/injection-molding-iphone-cases-from-trash/ | Injection Molding IPhone Cases From Trash | Tom Nardi | [
"green hacks",
"iphone hacks"
] | [
"injection molding",
"iphone",
"iPhone Case",
"Precious Plastic",
"recycling"
] | We imagine you’ve heard this already, but waste plastic is a problem for the environment. We wrap nearly everything we buy, eat, or drink in plastic packaging, and yet very little of it ends up getting recycled. Worse, it doesn’t take a huge industrial process to melt down a lot of this plastic and reuse it, you can do... | 27 | 6 | [
{
"comment_id": "4347406",
"author": "Robert Mateja",
"timestamp": "2018-02-07T19:48:08",
"content": "Aluminium recycling works perfect, low grade polymers don’t.Ask yourself why.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4347419",
"author": "Le... | 1,760,374,488.377614 | ||
https://hackaday.com/2018/02/07/quantum-searching-in-your-browser/ | Quantum Searching In Your Browser | Al Williams | [
"Engineering",
"Featured",
"Original Art"
] | [
"hackaday 101",
"howto",
"quantum computing",
"tutorial"
] | If you’ve made it through the last two posts on quantum computing (QC), then you’ve
seen the Quirk simulator
, a little of IBM’s web-based offering, and how entanglement and superposition can do strange and possibly wonderful things. However, the
superdense encoding
I showed you didn’t really feel like a real computer ... | 17 | 6 | [
{
"comment_id": "4347320",
"author": "Cliff H (@voidlogic)",
"timestamp": "2018-02-07T18:08:09",
"content": "I’m just going to link wikipedia because it does an infinitely better job of explaining what Grover’s is:https://en.wikipedia.org/wiki/Grover%27s_algorithmThis article is horribly confused.",... | 1,760,374,488.437288 | ||
https://hackaday.com/2018/02/07/friday-hack-chat-how-do-you-collaborate-with-hardware/ | Friday Hack Chat: How Do You Collaborate With Hardware? | Brian Benchoff | [
"Hackaday Columns"
] | [
"collaboration",
"Hack Chat",
"open hardware"
] | The world of Open Source software is built on collaboration. In one corner of the world, someone can fix a bug in a piece of software, and push it up to the gits. In another part of the world, someone else can put that fix into the next release, and soon everyone has newer, better software. The Internet, or the ability... | 6 | 4 | [
{
"comment_id": "4347253",
"author": "zakqwy",
"timestamp": "2018-02-07T17:21:40",
"content": "boo paying for compilers, boo",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4347479",
"author": "boo paying for any software boo",
"timestamp": "2... | 1,760,374,488.48141 | ||
https://hackaday.com/2018/02/07/discrete-pong-project-goes-big-adds-a-player/ | Discrete Pong Project Goes Big, Adds A Player | Dan Maloney | [
"classic hacks"
] | [
"composite video",
"dead bug",
"discrete",
"game",
"manhattan",
"pong",
"video"
] | Some projects just take on a life of their own. What started as a pleasant diversion or a simple challenge becomes an obsession, and the next thing you know you’ve built
a two-player color Pong game with audio completely from discrete components
.
If this one seems familiar, it’s because we were dazzled by
its first in... | 13 | 7 | [
{
"comment_id": "4347124",
"author": "TGT",
"timestamp": "2018-02-07T16:04:16",
"content": "This is nuts. What a fantastic thing to show people who come to the house. I really want to take a closer look at it, guess I’m about to read 22 pages of forum now.",
"parent_id": null,
"depth": 1,
... | 1,760,374,488.526922 |
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