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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/09/20/show-that-sega-saturn-save-battery-whos-boss/ | Show That Sega Saturn Save Battery Who’s Boss | Drew Littrell | [
"Games",
"hardware",
"Slider"
] | [
"90's",
"battery backup mod",
"FRAM",
"hardware",
"Sega Saturn",
"videogames"
] | Breaking out the Sega Saturn out of the closet for a hit of 90’s nostalgia comes with its own set of compromises: the wired controllers, the composite video, and worst of all that dead CR2032 battery behind the backdoor. Along with the death of that battery went your clock and all those precious hours put into your gam... | 26 | 11 | [
{
"comment_id": "5121102",
"author": "CodeAsm",
"timestamp": "2018-09-20T11:57:04",
"content": "I thought: “but I see more wires that 1″… ow yeah, reading his blogpost reviels “older” pcb traces can break. Just for the curious that dont bother reading his post (I almost dint, and I did because of th... | 1,760,374,215.221123 | ||
https://hackaday.com/2018/09/20/learn-arm-assembly-with-the-raspberry-pi/ | Learn ARM Assembly With The Raspberry Pi | Al Williams | [
"Raspberry Pi",
"Slider",
"Software Development"
] | [
"assembly language",
"raspberry pi",
"textbook",
"x86",
"x86_64"
] | We live in a time when you don’t have to know assembly language to successfully work with embedded computers. The typical processor these days has resources that would shame early PCs and some of the larger ones are getting close to what was a powerful desktop machine only a few years ago. Even so, there are some cases... | 41 | 11 | [
{
"comment_id": "5121199",
"author": "nuclear",
"timestamp": "2018-09-20T13:13:29",
"content": "Sweet! I can retire in less than two years and want to get back into assembly. In my Advanced Physics Lab class in college, we programmed in assembly on Commodore 64 machines. We wired A/D converters d... | 1,760,374,214.732678 | ||
https://hackaday.com/2018/09/19/touch-anything-and-everything/ | Touch Anything And Everything | Brian McEvoy | [
"Wireless Hacks"
] | [
"2.4ghz",
"antenna",
"backscatter",
"copper",
"interface",
"pcb",
"radio",
"research",
"touch",
"university",
"wifi",
"wireless"
] | Powering IoT devices is often a question of batteries or mains power, but in rare exceptions to this rule
there is no power supply
(PDF Warning). At the University of Wisconsin-Madison and the University of California, San Diego, researchers have gone the extra mile to make advanced backscatter devices, and these new t... | 10 | 3 | [
{
"comment_id": "5120320",
"author": "cyk",
"timestamp": "2018-09-20T06:06:31",
"content": "Works great, until you try to use it with gloves in a blizzard.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5121002",
"author": "Dj Biohazard",
"ti... | 1,760,374,214.613259 | ||
https://hackaday.com/2018/09/19/advanced-techniques-for-using-git-with-kicad/ | Advanced Techniques For Using Git With KiCAD | Kerry Scharfglass | [
"Misc Hacks",
"Tool Hacks"
] | [
"eda",
"Git",
"KiCAD"
] | For most developers “distributed version control” probably means git. But by itself git doesn’t work very well with binary files such as images, zip files and the like because git doesn’t know how to make sense of the structure of an arbitrary blobs of bytes. So when trying to figure out how to track changes in design ... | 4 | 4 | [
{
"comment_id": "5120826",
"author": "matt venn",
"timestamp": "2018-09-20T10:14:32",
"content": "sweeet! I’m already using git on all my schematics and boards so the filters will be super useful to cut down on the commit noise.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,214.652504 | ||
https://hackaday.com/2018/09/19/electric-wheelbarrow-makes-hauling-big-loads-easier/ | Electric Wheelbarrow Makes Hauling Big Loads Easier | Richard Baguley | [
"Robots Hacks"
] | [
"e-bike",
"motor",
"wheelbarrow"
] | Gardening involves a depressing amount of physical activity: haul this over here, dump it there and then cover it with this. Things like wheelbarrows are still damn hard work, especially for people like who are somewhat physically compromised. That’s why we love this build from [Karl Gesslein]. He usually makes electro... | 20 | 11 | [
{
"comment_id": "5117808",
"author": "drenehtsral",
"timestamp": "2018-09-19T23:44:59",
"content": "Nice! Do weeds get sucked into the chain? If so it could be said to have a weeding feature.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5118044",
... | 1,760,374,215.001623 | ||
https://hackaday.com/2018/09/21/555-timer-robots-will-rule-the-world/ | 555 Timer Robots Will Rule The World | Steven Dufresne | [
"Parts"
] | [
"555",
"555 timer IC",
"dead bug",
"deadbug"
] | A running joke we see in the comments by Hackaday readers whenever a project includes an Arduino or Raspberry Pi that seems like overkill is to proclaim that “I could have done it with a 555 timer!” That’s especially the case if the project amounts to a blinking light or anything which oscillates. Well [Danko Bertović]... | 21 | 11 | [
{
"comment_id": "5126269",
"author": "elwing",
"timestamp": "2018-09-21T08:14:56",
"content": "gorgeous",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5126300",
"author": "Ariel",
"timestamp": "2018-09-21T08:25:28",
"content": "It’s in an unstable ... | 1,760,374,214.845977 | ||
https://hackaday.com/2018/09/20/new-part-day-put-an-alexa-in-everything/ | New Part Day: Put An Alexa In Everything | Brian Benchoff | [
"hardware",
"News"
] | [
"alexa",
"Alexa Connect Kit",
"amazon",
"Amazon Echo",
"automation",
"home-assistant",
"siri",
"voice activated"
] | The last great hope for electronics manufactures is smart home assistants. The Alexas and Siris and OK Googles are taking over homes across the country. At its best, it’s HAL 9000, only slightly less homicidal. It will entertain your children, and you can order cat litter just by saying you want cat litter. This is the... | 54 | 17 | [
{
"comment_id": "5125627",
"author": "Lineman",
"timestamp": "2018-09-21T05:06:21",
"content": "Please don’t let regular appliances go the way of the smart TV. You can’t really buy regular ones any more and the smart ones tend to be not secure, badly supported and unpleasant to use in general.",
... | 1,760,374,214.941032 | ||
https://hackaday.com/2018/09/20/one-mans-journey-to-become-his-own-isp/ | One Man’s Journey To Becoming His Own ISP | Drew Littrell | [
"Network Hacks"
] | [
"CBS",
"isp",
"person",
"wireless networking"
] | America is a BIG country. There are pockets all across the land where broadband Internet is slow-to-nonexistent, and many individuals are left with wireless cell service as their only means of internet connection. This is the situation [Brandt Kuykendall] found himself in upon moving his family to Dillon Beach, CA. So ... | 119 | 30 | [
{
"comment_id": "5124835",
"author": "Scoldog",
"timestamp": "2018-09-21T02:24:43",
"content": "How long before the local baron lord, I mean only ISP in the area sues him out of existance because they’re loosing their stranglehold because this guy is providing the 21st centuary equivilant of bringin... | 1,760,374,215.156633 | ||
https://hackaday.com/2018/09/20/fixing-an-ibm-1401-computer-to-get-it-printing-again/ | Fixing An IBM 1401 Computer To Get It Printing Again | Steven Dufresne | [
"computer hacks"
] | [
"IBM 1401",
"ken shirriff",
"printer",
"retrocomputing"
] | The IBM 1401 is a classic computer which IBM marketed throughout the 1960s, late enough for it to have used transistors rather than vacuum tubes, which is probably a good thing for this story. For small businesses, it was often used as their main data processing machine along with the 1403 printer. For larger businesse... | 10 | 6 | [
{
"comment_id": "5123991",
"author": "PuceBaboon",
"timestamp": "2018-09-20T23:56:59",
"content": "Someone in the (original blog) comments mentioned “fond memories” of working on these printers. That most definitely is a case of “rose tinted”. :-) It was like working on a chainsaw (case open, pr... | 1,760,374,214.785349 | ||
https://hackaday.com/2018/09/20/c64-keyboard-helps-keep-the-memory-alive/ | C64 Keyboard Helps Keep The Memory Alive | Tom Nardi | [
"computer hacks",
"Peripherals Hacks",
"Retrocomputing"
] | [
"c64",
"cherry mx",
"keycap",
"mechanical keyboard"
] | To say that the Commodore 64 was an important milestone in the history of personal computing is probably a bit of an understatement. For a decent chunk of the 1980s, it was
the
home computer, with some estimates putting the total number of them sold as high as 17 million. For hackers of a certain age, there’s a fairly ... | 11 | 7 | [
{
"comment_id": "5122726",
"author": "Mark",
"timestamp": "2018-09-20T20:23:27",
"content": "> As you might expect, the process started with [Steve] harvesting the caps from a real Commodore, in fact, the very same computer he received as a child. While the purists might shed a tear that the origina... | 1,760,374,215.273608 | ||
https://hackaday.com/2018/09/20/this-keyboard-and-mouse-also-gives-you-a-workout/ | This Keyboard And Mouse Also Gives You A Workout | Brian Benchoff | [
"Peripherals Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"chorded keyboard",
"ergonomic",
"keyboard",
"mouse"
] | The
Ergonomic Handheld Mouse / Keyboard Alternative
from [Shervin Emami] is an all-in-one solution for your keyboarding and cursor moving needs.
The core of this build is a ‘grip-strengthening’ device that’s sold to guitarists. While the actual benefit of these devices for guitarists is questionable — there are a few a... | 2 | 2 | [
{
"comment_id": "5124149",
"author": "tgt",
"timestamp": "2018-09-21T00:25:19",
"content": "What a wonderful video of how to pair a bluetooth device on windows 10.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5125133",
"author": "Azar Gabrielle Stewart",... | 1,760,374,215.498216 | ||
https://hackaday.com/2018/09/20/the-use-and-abuse-of-ct-scanners/ | The Use And Abuse Of CT Scanners | Jenny List | [
"cons",
"Medical Hacks"
] | [
"CT Scan",
"ct scanner",
"electromagnetic field",
"Electromagnetic Field 2018",
"emfcamp",
"x-ray",
"x-ray imaging"
] | David Mills is as a research scientist at the cutting edge of medical imaging. His work doesn’t involve the scanners you might find yourself being thrust into in a hospital should you be unfortunate enough to injure yourself. He’s working with a higher grade of equipment, he pushes the boundaries of the art with much s... | 22 | 8 | [
{
"comment_id": "5122033",
"author": "Ostracus",
"timestamp": "2018-09-20T17:36:34",
"content": "” Wondering what an x-ray emitter looks like while running, they’ve scanned an iPhone with its camera rolling.”That alone is interesting. The hazards of selfies. :-)If costs came down and married to a 3D... | 1,760,374,215.683699 | ||
https://hackaday.com/2018/09/19/voice-controlled-stereo-balance-with-esp8266/ | Voice Controlled Stereo Balance With ESP8266 | Tom Nardi | [
"digital audio hacks",
"home entertainment hacks",
"Microcontrollers"
] | [
"NodeMCU",
"stereo",
"voice control",
"VoiceAttack",
"X9C104P"
] | A stereo setup assumes that the listener is physically located between the speakers, that’s how it can deliver sound equally from both sides. It’s also why the receiver has a “Balance” adjustment, so the listener can virtually move the center point of the audio by changing the relative volume of the speakers. You shoul... | 13 | 6 | [
{
"comment_id": "5117406",
"author": "walter",
"timestamp": "2018-09-19T21:06:12",
"content": "What´s a “receiver”, Hackaday ? It is made of copy-pasted juice or it has some meaning I ignore ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5121012",
... | 1,760,374,215.557034 | ||
https://hackaday.com/2018/09/19/she-bon-is-an-artful-wearable-sensual-sensing-platform/ | ‘SHE BON’ Is An Artful, Wearable, Sensual, Sensing Platform | Donald Papp | [
"The Hackaday Prize",
"Wearable Hacks"
] | [
"2018 Hackaday Prize",
"art",
"feedback",
"sensors",
"sex",
"SHE BON",
"wearable"
] | SHE BON
(that’s the French
bon
, or “good”) is an ambitious project by [Sarah Petkus] that consists of a series of wearable electronic and mechanical elements which all come together as a system for a single purpose: to sense and indicate female arousal. As a proponent of increased discussion and openness around the to... | 16 | 6 | [
{
"comment_id": "5116938",
"author": "AVR",
"timestamp": "2018-09-19T18:54:00",
"content": "Congrats to Sarah!! Really love her work on this project and its been wonderful to watch her projects and skillset evolve over the years. I am very much looking forward to the completion of all the subsystems... | 1,760,374,215.616864 | ||
https://hackaday.com/2018/09/19/industrial-3d-printing-uses-layers-like-weve-never-seen-before/ | Industrial 3D Printing Uses Layers Like We’ve Never Seen Before | Mike Szczys | [
"3d Printer hacks",
"Engineering",
"Featured",
"Interviews",
"Slider"
] | [
"carbon fiber",
"carbon fiber 3d printing",
"composite",
"Impossible Objects",
"IMTS",
"IMTS 2018",
"peek"
] | We’ve seen FDM printers lay down layers by extruding plastic in a line. We’ve seen printers use sintering and lithography to melt or cure one layer at a time before more print medium moves into place for the next layer. What we’ve never seen before is a printer like this that builds parts from distinct layers of substr... | 20 | 8 | [
{
"comment_id": "5116640",
"author": "Ostracus",
"timestamp": "2018-09-19T17:19:21",
"content": "” What we’ve never seen before is a printer like this that builds parts from distinct layers of substrate.”http://www.mcortechnologies.com/",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,215.751595 | ||
https://hackaday.com/2018/09/19/join-hackaday-for-a-night-of-pre-maker-faire-hacks/ | Join Hackaday For A Night Of Pre-Maker Faire Hacks | Brian Benchoff | [
"Hackaday Columns"
] | [
"kickstarter",
"maker faire",
"meetup",
"New York Maker Faire",
"World Maker Faire"
] | This weekend is the
World Maker Faire in New York
, and Hackaday will be there looking at the latest and greatest projects from makers around the globe. We’ll also be buying bottles of water for five dollars, but that’s another story entirely.
As always, this year’s World Maker Faire will be held at the wonderful New Y... | 2 | 2 | [
{
"comment_id": "5118638",
"author": "Jeremy S Cook",
"timestamp": "2018-09-20T03:23:40",
"content": "Sounds like fun. I won’t be in until Friday, but definitely hope to see some familiar faces at the show!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "512138... | 1,760,374,215.88302 | ||
https://hackaday.com/2018/09/19/braille-on-a-tablet-computer/ | Braille On A Tablet Computer | Brian McEvoy | [
"Tablet Hacks"
] | [
"blind",
"braille",
"computer",
"impaired",
"read",
"seeing",
"tixels",
"vision"
] | Signing up for college classes can be intimidating, from tuition, textbook requirements, to finding an engaging professor. Imagine signing up online, but you cannot use your monitor. We wager that roughly ninety-nine percent of the hackers reading this article have it displayed on a tablet, phone, or computer monitor. ... | 14 | 7 | [
{
"comment_id": "5116254",
"author": "Antron Argaiv",
"timestamp": "2018-09-19T15:11:50",
"content": "Unlikely it uses valves, due to dot density and power requirements. More likely it’s something like this:https://en.wikipedia.org/wiki/Smart_fluid…or this:https://en.wikipedia.org/wiki/Ferrofluid…a... | 1,760,374,215.839945 | ||
https://hackaday.com/2018/09/19/learn-to-loop-the-python-way-iterators-and-generators-explained/ | Learn To Loop The Python Way: Iterators And Generators Explained | Ben James | [
"Slider",
"Software Development"
] | [
"for",
"generator expressions",
"generators",
"introduction",
"iterables",
"iterators",
"Lazy",
"python",
"yield",
"__iter__",
"__next__"
] | If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance improvements, particularly when handling large datasets or running in an environment with limited resources. They can also make ... | 17 | 6 | [
{
"comment_id": "5116349",
"author": "DimkaS",
"timestamp": "2018-09-19T15:53:05",
"content": "Looks like there is something wrong with these lines:33: print(f”Generator took {time.time() – start_time :.2f}s”)38: print(f”Normal list took {time.time() – start_time :.2f}s”)Can’t find such syntax for p... | 1,760,374,216.000348 | ||
https://hackaday.com/2018/09/19/final-fantasy-exploit-teaches-32-bit-integer-math/ | Final Fantasy Exploit Teaches 32-bit Integer Math | Bryan Cockfield | [
"Games",
"Software Hacks"
] | [
"32-bit",
"final fantasy 7",
"games",
"glitch",
"integer",
"overflow",
"signed",
"signing",
"video games"
] | One of the fun things about old video games, besides their obvious nostalgia, is that some of the more popular games have been pried apart and tinkered with for years, leading to a lot of new “development” within the games. This often uncovers some hidden gems that gamers might not have had any knowledge of during the ... | 18 | 4 | [
{
"comment_id": "5116020",
"author": "vibemysquirt",
"timestamp": "2018-09-19T13:47:19",
"content": "I doubt it is a processor weakness. The processor is doing what it does and the software just told it to do something dumb.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,215.936868 | ||
https://hackaday.com/2018/09/19/visual-schematic-diffs-in-kicad-help-find-changes/ | Visual Schematic Diffs In KiCAD Help Find Changes | Kerry Scharfglass | [
"Misc Hacks",
"Tool Hacks"
] | [
"diff",
"Git",
"KiCAD",
"visual diff"
] | When writing software a key part of the development workflow is looking at changes between files. With version control systems this process can get pretty advanced, letting you see changes between arbitrary files and slices in time. Tooling exists to do this visually in the world of EDA tools but it hasn’t really trick... | 11 | 7 | [
{
"comment_id": "5114968",
"author": "Neolker",
"timestamp": "2018-09-19T08:29:10",
"content": "I use daily AtutoVue, which can visualy diff any file (pdf, gerber, etc. …)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5116175",
"author": "Benik3",
... | 1,760,374,216.050052 | ||
https://hackaday.com/2018/09/18/soldering-like-its-205-bc/ | Soldering Like It’s 205 BC | Dan Maloney | [
"classic hacks",
"Tool Hacks"
] | [
"acid",
"ancient",
"antikythera mechanism",
"colophon",
"flux",
"history",
"Hydrochloric acid",
"lead",
"rosin",
"solder",
"soldering",
"spirits of salt",
"tin"
] | Did you ever stop to think how unlikely the discovery of soldering is? It’s hard to imagine what sequence of events led to it; after all, metals heated to just the right temperature while applying an alloy of lead and tin in the right proportions in the presence of a proper fluxing agent doesn’t seem like something tha... | 43 | 8 | [
{
"comment_id": "5114567",
"author": "Erik S",
"timestamp": "2018-09-19T06:22:46",
"content": "And 2000 years later, they want to (and are) take away or lead in our solder. You’ll pry my lead-based solder from my cold, dead hands!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,216.399211 | ||
https://hackaday.com/2018/09/18/super-magnesium-lighter-than-aluminum-cheaper-than-carbon-fiber/ | Super Magnesium: Lighter Than Aluminum, Cheaper Than Carbon Fiber | Al Williams | [
"Parts"
] | [
"alloy",
"aluminum",
"machining",
"magnesium"
] | We think of high tech materials as the purview of the space program, or of high-performance aircraft. But there are other niche applications that foster super materials, for example the world of cycling. Magnesium is one such material as it is strong and light, but it has the annoying property of burning in its pure st... | 60 | 12 | [
{
"comment_id": "5112796",
"author": "RW ver 0.0.1",
"timestamp": "2018-09-19T02:09:11",
"content": "So…. anyone selling a 1200F hot end for a 3D printer ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5113184",
"author": "Mike Massen",
"tim... | 1,760,374,216.320676 | ||
https://hackaday.com/2018/09/18/robotic-fruit-fly-wont-eat-your-fruit/ | Robotic Fruit Fly Won’t Eat Your Fruit | Al Williams | [
"drone hacks",
"Robots Hacks"
] | [
"delfly",
"drone",
"fruit fly",
"mav",
"ornithopter",
"robot"
] | The DelFly project has been busy since the last time we checked in on them. The Dutch team started 13 years ago and produced the smallest camera-carrying drone, and an autonomous tiny ornithopter. However, that ornithopter — now five years old — had to use some traditional control surfaces and a tail like an airplane w... | 7 | 5 | [
{
"comment_id": "5110223",
"author": "duh",
"timestamp": "2018-09-19T00:52:07",
"content": "holy snap. that is somethin’!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5111156",
"author": "Olsen",
"timestamp": "2018-09-19T01:20:02",
"content": "“W... | 1,760,374,216.156382 | ||
https://hackaday.com/2018/09/18/epic-clock-clocks-the-unix-epoch/ | Epic Clock Clocks The Unix Epoch | Dan Maloney | [
"clock hacks"
] | [
"clock",
"epoch",
"gps",
"ISO-8601",
"nmea",
"rtc",
"unix epoch"
] | Admit it: when you first heard of the concept of the Unix Epoch, you sat down with a calculator to see when exactly 2³¹-1 seconds would be from midnight UTC on January 1, 1970. Personally, I did that math right around the time my company hired contractors to put “Y2K Suspect” stickers on every piece of equipment that l... | 26 | 10 | [
{
"comment_id": "5108837",
"author": "John S.",
"timestamp": "2018-09-18T20:20:47",
"content": "Does it have a 2038 countdown mode? That could be quite fun and would only need 9 digits :)https://www.epochconverter.com/countdown?q=2147483647",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,217.496199 | ||
https://hackaday.com/2018/09/18/a-look-at-liquid-dielectrics/ | A Look At Liquid Dielectrics | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Interest"
] | [
"cooling",
"dielectric",
"grid",
"high voltage",
"insulator",
"mains",
"oil",
"power electronics",
"relative permittivity",
"transformer"
] | One evening quite a few years ago, as I was driving through my hometown I saw the telltale flashing lights of the local volunteer fire department ahead. I passed by a side road where all the activity was: a utility pole on fire. I could see smoke and flames shooting from the transformer and I could hear the loud, angry... | 35 | 15 | [
{
"comment_id": "5108565",
"author": "Jim",
"timestamp": "2018-09-18T17:05:14",
"content": "On the same article you tell us that PCBs are horribly toxic, the previous article is ‘Get your PCBs Made at the Mall’. Gah!Obviously, I know the difference. Just reminded me of an argument someone (probabl... | 1,760,374,216.8401 | ||
https://hackaday.com/2018/09/18/get-your-pcbs-made-at-the-mall/ | Get Your PCBs Made At The Mall | Tom Nardi | [
"hardware"
] | [
"etching",
"mask",
"pcb",
"pcb fabrication",
"UV printer"
] | As we’ve seen with some recent posts on the subject here at Hackaday, there seems to be a growing schism within the community about the production of PCBs. Part of the community embraces (relatively) cheap professional fabrication, where you send your design off and get a stack of PCBs in the mail a couple weeks later.... | 57 | 13 | [
{
"comment_id": "5108337",
"author": "tomkcook",
"timestamp": "2018-09-18T15:35:03",
"content": "This is going to have the same problem that keeps my from ever doing any home PCB manufacture; plated vias are perhaps not impossible, but involve lots of equipment and chemistry that I don’t really want... | 1,760,374,216.656945 | ||
https://hackaday.com/2018/09/17/mans-best-robotic-friend/ | Man’s Best Robotic Friend | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printed",
"dof",
"robot"
] | When it comes to robotics, some of the most interesting work — and certainly the most hilarious — has come from Boston Dynamics, and their team of interns kicking robotic dogs over. It’s an impressive feat of engineering, and even if these robotic pack mules are far too loud for their intended use on the battlefield, i... | 4 | 3 | [
{
"comment_id": "5101302",
"author": "Ren",
"timestamp": "2018-09-17T18:44:29",
"content": "Reverse the middle leg joints so it walks like an AT-AT!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5108064",
"author": "Ren",
"timestamp": "2018-... | 1,760,374,217.141471 | ||
https://hackaday.com/2018/09/17/3d-printing-in-metal-the-laser-and-metal-powder-printers-we-saw-at-imts/ | 3D Printing In Metal: The Laser And Metal Powder Printers We Saw At IMTS | Mike Szczys | [
"3d Printer hacks",
"Engineering",
"Hackaday Columns",
"Laser Hacks",
"Slider"
] | [
"3D metal printer",
"cladding",
"directed energy deposition",
"IMTS",
"IMTS 2018",
"laser cladding",
"laser sintering"
] | Last week I went to the International Manufacturing Technology Show (IMTS) and it was incredible. This is a toy store for machinists and showcases the best of industrial automation. But one of the coolest trends I found at the show are all the techniques used to 3D print in metal. The best part is that many of the huge... | 24 | 11 | [
{
"comment_id": "5101161",
"author": "Ren",
"timestamp": "2018-09-17T17:29:51",
"content": "Well, having a “RENishaw RENam 500Q”would suit me just fine!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5101191",
"author": "Ren",
"timestamp":... | 1,760,374,217.098183 | ||
https://hackaday.com/2018/09/17/the-desktop-computer-returns-as-amiga-infused-retro-case/ | The Desktop Computer Returns As Amiga-Infused Retro Case | Brian Benchoff | [
"Crowd Funding"
] | [
"amiga",
"crowdfunding",
"desktop computer",
"kickstarter"
] | The desktop computer is dead. No, I don’t mean computers that are meant to sit either on or underneath a desk. I’m talking about computer cases that are placed on a desk horizontally, probably with a monitor on top. The ‘monitor stand case’ was a mainstay for most of the 80s and 90s, but died out when CRTs became too h... | 24 | 16 | [
{
"comment_id": "5100931",
"author": "Ogre",
"timestamp": "2018-09-17T16:15:41",
"content": "The link provided didn’t work for me.Searching kickstarter provided this:https://www.kickstarter.com/projects/483774293/amiga-3000-inspired-modular-amiga-pc-desktop-compu?ref=nav_search&result=project&term=c... | 1,760,374,216.901415 | ||
https://hackaday.com/2018/09/17/linux-without-the-git-factor/ | Linux, Without The Git Factor | Jenny List | [
"Linux Hacks",
"News"
] | [
"code of conduct",
"kernel",
"linus torvalds",
"linux"
] | Linux started as a student project in the 1990s, the creation of Linus Torvalds. He has attained celebrity status while steering his creation through the decades, but along the way he has also attracted a different reputation within the Linux and software community. He is famous for his outbursts and rants, some of whi... | 82 | 24 | [
{
"comment_id": "5100725",
"author": "drenehtsral",
"timestamp": "2018-09-17T15:21:44",
"content": "While it is easy to see Linus’ overbearing rants as merely an obnoxious personality trait (and he is far from alone in this) it is also easy to be sympathetic since nurturing and open source project f... | 1,760,374,217.018986 | ||
https://hackaday.com/2018/09/17/exploring-an-abandoned-toys-r-us/ | Exploring An Abandoned Toys “R” Us | Tom Nardi | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"exploration",
"retail",
"security",
"store closing",
"Toys \"R\" Us"
] | If someone asked me to make a list of things I didn’t expect to ever hear again, the question “Do you want to go to a Toys “R” Us?” would be pretty near the top spot. After all of their stores (at least in the United States) closed at the end of June 2018, the House of Geoffrey seemed destined to join Radio Shack as be... | 113 | 39 | [
{
"comment_id": "5100370",
"author": "Ren",
"timestamp": "2018-09-17T14:27:33",
"content": "So, was all the “tech” left behind to get bulldozed, or taken to be re-utilized/hacked?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5100634",
"author": "Os... | 1,760,374,217.433448 | ||
https://hackaday.com/2018/09/17/diy-rubber-ducky-is-as-cheap-as-its-namesake/ | DIY Rubber Ducky Is As Cheap As Its Namesake | Tom Nardi | [
"ATtiny Hacks",
"Security Hacks",
"Tool Hacks"
] | [
"Digispark",
"hak5",
"keystroke injection",
"rubber ducky"
] | The “Rubber Ducky” by Hak5 is a very powerful tool that lets the user perform rapid keystroke injection attacks, which is basically a fancy way of saying the device can type fast. Capable of entering text at over 1000 WPM, Mavis Beacon’s got nothing on this $45 gadget. Within just a few seconds of plugging it in, a pro... | 26 | 13 | [
{
"comment_id": "5098993",
"author": "Davey",
"timestamp": "2018-09-17T11:47:37",
"content": "The after image of the flash is burning my eyes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5099080",
"author": "cyk",
"timestamp": "2018-09-17T11:56:59",... | 1,760,374,217.206975 | ||
https://hackaday.com/2018/09/17/hand-forged-cases-make-nixie-clocks-into-works-of-art/ | Hand-Forged Cases Make Nixie Clocks Into Works Of Art | Dan Maloney | [
"clock hacks"
] | [
"blacksmithing",
"Dalibor Farny",
"forge",
"forging",
"hammered",
"IN-16",
"nixie",
"steampunk",
"steel"
] | Both “Nixie” and “Steampunk” are getting a bit overused. It’s hard to count the number of clock projects we’ve seen recently that combine the two, and normally we’d be loath to feature yet another variation on that theme without a good reason.
This is a good reason
.
The single-digit Nixie clocks that [Claes Vahlberg] ... | 3 | 3 | [
{
"comment_id": "5097711",
"author": "Jii",
"timestamp": "2018-09-17T09:44:52",
"content": "Oh that metal work is just beautiful, not that the nixie and the rest of the operational parts aren’t, but i just love the look of the metal parts.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,217.246985 | ||
https://hackaday.com/2018/09/18/ask-hackaday-hows-that-capacitor-shortage-going/ | Ask Hackaday: How’s That Capacitor Shortage Going? | Brian Benchoff | [
"Business",
"Current Events",
"Featured",
"Original Art"
] | [
"chip resistors",
"economics",
"jellybean parts",
"resistors",
"shortage",
"smd",
"supply chain",
"Yageo"
] | There is a looming spectre of doom hovering over the world of electronics manufacturing. It’s getting hard to find parts, and the parts you can find are expensive. No, it doesn’t have anything to with the tariffs enacted by the United States against Chinese goods this last summer. This is a problem that doesn’t have an... | 85 | 28 | [
{
"comment_id": "5108110",
"author": "ThisGuy",
"timestamp": "2018-09-18T14:10:08",
"content": "The problem here is though: What happens when prices go up and the factory starts up again? Availability improves, price drops again. Seems very simple. Yageo also runs the risk some other supplier IS cap... | 1,760,374,217.623366 | ||
https://hackaday.com/2018/09/18/rocket-science-with-the-other-spacex/ | Rocket Science With The Other SpaceX | Steven Dufresne | [
"Space"
] | [
"amateur rocketry",
"model rocketry",
"rocket",
"rocket science",
"Thrust vectoring"
] | When you say that something’s not rocket science you mean that it’s not as hard to understand or do as it may seem. The implication is that rocket science is something which is hard and best left to the likes of SpaceX or NASA. But that’s not the hacker spirit.
[Joe Barnard] recently had
an unsuccessful flight of his F... | 29 | 11 | [
{
"comment_id": "5107607",
"author": "RRacer",
"timestamp": "2018-09-18T11:23:41",
"content": "Is that Elons younger brother?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5107987",
"author": "Ren",
"timestamp": "2018-09-18T13:19:38",
... | 1,760,374,217.698579 | ||
https://hackaday.com/2018/09/18/arm-based-nas-is-a-low-cost-low-power-beauty/ | ARM-Based NAS Is A Low Cost, Low Power Beauty | Ben James | [
"ARM",
"Network Hacks"
] | [
"arm",
"Banana Pi",
"diy",
"hdd",
"hot swap",
"nas",
"router",
"sata"
] | A NAS is always a handy addition to a home network, but they can be a little pricey.
[Blake Burkhart] decided to create his own
, prioritising budget and low power considerations, with a secondary objective to produce some router and IoT functionality on the side.
A Banana Pi R2 was a good choice to meet these requirem... | 40 | 15 | [
{
"comment_id": "5107059",
"author": "Lord Nothing",
"timestamp": "2018-09-18T08:26:14",
"content": "ive been looking for some kind of low cost low power nas. big thing is i want the drive to be able to spin down when not in use. my router does have a usb port so thinking about just plugging an exte... | 1,760,374,217.972097 | ||
https://hackaday.com/2018/09/17/its-the-web-basically/ | It’s The Web, Basically | Al Williams | [
"internet hacks",
"Retrocomputing",
"Software Hacks"
] | [
"basic",
"google",
"internet",
"web"
] | If you are of a certain age, you probably learned to program in Basic. Even if you aren’t, a lot of microcontroller hobbyists got started on the Basic Stamp, and there are plenty of other places where to venerable language still hides out. But if you want to write cool browser applications, you have to write JavaScript... | 43 | 17 | [
{
"comment_id": "5103783",
"author": "Severe Tire Damage",
"timestamp": "2018-09-18T05:37:40",
"content": "Nope, I learned to program in FORTRAN. Basic came along a lot later and I ignored it (by then I was fascinated by assembly language). I still ignore BASIC, I hate basic.",
"parent_id": nu... | 1,760,374,217.894154 | ||
https://hackaday.com/2018/09/17/a-1-linux-capable-hand-solderable-processor/ | A $1, Linux-Capable, Hand-Solderable Processor | Brian Benchoff | [
"hardware",
"Slider"
] | [
"Allwinner",
"allwinner a13",
"linux",
"SoC"
] | Over on the EEVblog,
someone noticed an interesting chip
that’s been apparently flying under our radar for a while. This is an ARM processor capable of running Linux. It’s hand-solderable in a TQFP package, has a built-in Mali GPU, support for a touch panel, and has support for 512MB of DDR3. If you do it right, this w... | 87 | 27 | [
{
"comment_id": "5102891",
"author": "Jon Smirl",
"timestamp": "2018-09-18T02:10:34",
"content": "A very similar chip is the Allwinner V3S. 1.2Ghz Cortex A7. For about $3.25. The bonus is that the V3S has 64MB of integrated DRAM inside the package. 128-pin eLQFP. There is a newer Allwinner S3 with s... | 1,760,374,218.096214 | ||
https://hackaday.com/2018/09/17/hacked-electric-toothbrush-defeats-locks-with-ease/ | Hacked Electric Toothbrush Defeats Locks With Ease | Dan Maloney | [
"lockpicking hacks"
] | [
"cylinder",
"electric toothbrush",
"lock",
"lockpick",
"pin tumbler",
"shear line",
"vibrating"
] | The movie version of lockpicking tends to emphasize the meticulous, delicate image of the craft. The hero or villain takes out a slim wallet of fine tools, applies them with skill and precision, and quickly defeats the lock. They make it look easy, and while the image isn’t far from reality, there are other ways to pic... | 41 | 15 | [
{
"comment_id": "5102274",
"author": "danjovic",
"timestamp": "2018-09-17T23:11:44",
"content": "I have seen many rubber toothbrushes, but this is the first ROBBER toothbrush I ever see.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5103537",
"autho... | 1,760,374,218.172737 | ||
https://hackaday.com/2018/09/17/open-source-paramotor-using-quadcopter-tech/ | Open Source Paramotor Using Quadcopter Tech | Tom Nardi | [
"hardware",
"Transportation Hacks",
"Wearable Hacks"
] | [
"aircraft",
"Electric motor",
"paramotor",
"quadcopter"
] | Have you ever dreamed of flying, but lack the funds to buy your own airplane, the time to learn, or the whole hangar and airstrip thing? The answer might be in a class of ultralight aircraft called powered paragliders, which consist of a soft inflatable wing and a motor on your back. As you may have guessed, the motor ... | 24 | 10 | [
{
"comment_id": "5101947",
"author": "steve.eh",
"timestamp": "2018-09-17T21:11:41",
"content": "shut up and take my money",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5102105",
"author": "Glenn Miller",
"timestamp": "2018-09-17T21:54:02",
"conte... | 1,760,374,218.837156 | ||
https://hackaday.com/2018/09/16/raspberry-pi-projection-mapping-crash-course/ | Raspberry Pi Projection Mapping Crash Course | Tom Nardi | [
"Raspberry Pi"
] | [
"augmented reality",
"projection mapping",
"projector",
"raspberry pi",
"VJ"
] | Projection mapping might not be a term you’re familiar with, but you’ve certainly seen the effect before. It’s when images are projected onto an object, usually one that has an interesting or unusual shape, to create an augmented reality display. Software is used to map the image or video to the physical shape it’s bei... | 5 | 1 | [
{
"comment_id": "5097237",
"author": "Gravis",
"timestamp": "2018-09-17T09:11:29",
"content": "Super distracting GIF surrounded by nearby text: check! ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5097368",
"author": "volt",
"timestamp": ... | 1,760,374,218.216952 | ||
https://hackaday.com/2018/09/16/icub-is-the-robot-that-is-equally-cute-and-creepy/ | ICub Is The Robot That Is Equally Cute And Creepy | Al Williams | [
"News",
"Robots Hacks"
] | [
"android",
"icub",
"robot"
] | We shouldn’t say
iCub
— the humanoid robot from Italy — is creepy. After all, human-like robots are in their infancy and an early computer or automobile would hardly be indicative of where those industries would take us. You can see
the little guy
in the video below.
The effort is open source and was part of an EU proj... | 13 | 9 | [
{
"comment_id": "5086756",
"author": "Saabman",
"timestamp": "2018-09-17T02:15:49",
"content": "Yes the relationship between the operator and the robot seemed to be very disjointed – it’s control seemed rather disappointingly vague.",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,374,218.266278 | ||
https://hackaday.com/2018/09/16/hackaday-links-september-16-2018/ | Hackaday Links: September 16, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"behringer",
"dmca",
"eu",
"memes"
] | Apple released a phone, the most phone in the history of phones. It’s incredible.
There are four machines that are the cornerstone of electronic music. The TR-808, the TR-909, the TB-303, and the SH-101 are
the
machines that created techno, house, and every other genre of electronic music. This week at KnobCon Behringe... | 27 | 8 | [
{
"comment_id": "5076061",
"author": "Ostracus",
"timestamp": "2018-09-17T00:21:12",
"content": "“You’re looking at a massive B2B startup opportunity when these copyright directives pass.”Cloud, cloud, cloud, and it’s going to be done anyway, not JUST because of copyrighted materials, but all that o... | 1,760,374,218.42727 | ||
https://hackaday.com/2018/09/16/turn-yourself-into-a-cyborg-with-neural-nets/ | Turn Yourself Into A Cyborg With Neural Nets | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"cyborg",
"neural net",
"wearable",
"weartech"
] | If smartwatches and tiny Bluetooth earbuds are any indications, the future is with wearable electronics. This brings up a problem: developing wearable electronics isn’t as simple as building a device that’s meant to sit on a shelf. No, wearable electronics move, they stretch, people jump, kick, punch, and sweat. If you... | 5 | 3 | [
{
"comment_id": "5072866",
"author": "Lord Nothing",
"timestamp": "2018-09-16T23:55:38",
"content": "is that a cucumber in your pants or are you happy to see me?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5076249",
"author": "Ostracus",
"... | 1,760,374,218.310165 | ||
https://hackaday.com/2018/09/16/wind-blaster-haptic-feedback-thatll-make-you-recoil/ | Wind-Blaster: Haptic Feedback That’ll Make You Recoil | Steven Dufresne | [
"Virtual Reality"
] | [
"haptic feedback",
"haptics",
"virtual reality"
] | A big challenge in the VR world is getting haptic feedback no matter where you are. That’s not so much of a problem when you’re sitting in a chair, the hardware can be attached to the chair or to something near you, what’s referred to as grounded force-feedback. But with VR, we’ve gotten used to at least moving around ... | 8 | 4 | [
{
"comment_id": "5071045",
"author": "John Jorsett",
"timestamp": "2018-09-16T17:47:12",
"content": "Interesting. I would think the inertial kick of the motor suddenly starting/stopping would be a distracting factor.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,218.355146 | ||
https://hackaday.com/2018/09/16/this-nearly-nimo-clock-fakes-it-and-makes-it/ | This Nearly NIMO Clock Fakes It And Makes It | Dan Maloney | [
"clock hacks"
] | [
"crt",
"neopixel",
"Nimo",
"phosphor",
"rare",
"tft",
"vintage",
"ws2812"
] | Pity the aficionado of rare vintage displays. While Nixies and VFD tubes get all the attention and benefit from a thriving market to satisfy demand, the rarer displays from the mid-20th century period are getting harder and harder to find. One copy of an especially rare display is hard enough to find. Six copies for a ... | 12 | 6 | [
{
"comment_id": "5069933",
"author": "ctag",
"timestamp": "2018-09-16T15:29:51",
"content": "“The phosphor glow comes from replacing the stock white TFT backlight with a Neopixel array that can produce just the right shade of blue-green.”That is awesome.",
"parent_id": null,
"depth": 1,
... | 1,760,374,218.773248 | ||
https://hackaday.com/2018/09/16/this-xbox-360-is-powered-by-steam/ | This Xbox 360 Is Powered By Steam | Tom Nardi | [
"Games",
"Slider",
"Xbox Hacks"
] | [
"casemod",
"gaming",
"steam",
"xbox",
"xbox 360"
] | Now that we’re far enough into the
next generation
of home video game consoles that we can’t really keep calling them that anymore, yard sales are sure to be full of lonely Xbox 360s and PS3s that have been put out to pasture. You’ll probably even find a Wii U or two out there that somebody accidentally purchased. This... | 43 | 14 | [
{
"comment_id": "5068138",
"author": "Slartibart",
"timestamp": "2018-09-16T11:26:51",
"content": "Am I the only one that hoped for a project actuallky powered by steam?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5068206",
"author": "MJ",
... | 1,760,374,218.928433 | ||
https://hackaday.com/2018/09/16/drawbot-badge-represents-the-cnc-world-in-badge-design/ | DrawBot Badge Represents The CNC World In Badge Design | Donald Papp | [
"3d Printer hacks",
"cnc hacks"
] | [
"3d printed",
"badgelife",
"cnc",
"drawbot",
"drawing",
"ESP32",
"grbl",
"lanyard"
] | Badges come in all shapes and sizes, but
a badge that draws on a stack of Post-It notes
is definitely a new one. The design uses three of the smallest, cheapest hobby servos reasonably available and has a drawing quality that creator [Bart Dring] describes as “adorably wiggly”. It all started when he decided that the C... | 14 | 7 | [
{
"comment_id": "5063651",
"author": "Invisible Rainbow Unicorn",
"timestamp": "2018-09-16T09:26:48",
"content": "Super cute!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5068335",
"author": "svofski",
"timestamp": "2018-09-16T12:33:03",
"content... | 1,760,374,219.000851 | ||
https://hackaday.com/2018/09/15/a-look-at-the-smallest-magnetic-deflection-crt-ever-made/ | A Look At The Smallest Magnetic Deflection CRT Ever Made | Jenny List | [
"Video Hacks"
] | [
"camcorder",
"crt",
"miniature CRT"
] | A high-resolution LCD or OLED screen is a commodity component that we can buy on a little breakout board and plug into our microcontrollers without spending more than a dollar or two. We can buy them in sizes ranging from sub-postage-stamp to desktop TV if our budgets stretch that far, and they are easy to drive in eve... | 40 | 22 | [
{
"comment_id": "5063184",
"author": "[skaarj]",
"timestamp": "2018-09-16T06:12:37",
"content": "Try a colour tiny CRT from camcorders. That is super-cool. CRTs amd vacuum tubes are the ultimate wizardery ever.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,219.169511 | ||
https://hackaday.com/2018/09/15/cat-robots-secret-to-slim-legs-banish-the-motors/ | Cat Robot’s Secret To Slim Legs? Banish The Motors! | Donald Papp | [
"Arduino Hacks",
"Robots Hacks"
] | [
"3d printed",
"arduino",
"bio robot",
"biology",
"cat",
"cat robot",
"cheetah",
"cheetah_cub",
"gait",
"motors",
"pulley",
"robotics",
"serval"
] | The first thing to notice about [Bijuo]’s
cat-sized quadruped robot designs
(link is in Korean, Google
translation here
) is how slim and sleek the legs are. That’s because unlike most legged robots, the limbs themselves don’t contain any motors. Instead, the motors are in the main body, with one driving a half-circle ... | 6 | 3 | [
{
"comment_id": "5062975",
"author": "Ostracus",
"timestamp": "2018-09-16T03:27:08",
"content": "Kind of the way flesh and blood does it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5064028",
"author": "Fred",
"timestamp": "2018-09-16T09:3... | 1,760,374,219.212905 | ||
https://hackaday.com/2018/09/15/adding-3d-printer-power-and-light-control-to-octoprint/ | Adding 3D Printer Power And Light Control To OctoPrint | Tom Nardi | [
"3d Printer hacks",
"Raspberry Pi"
] | [
"gpio",
"octolapse",
"Octoprint",
"raspberry pi",
"relay"
] | OctoPrint is a great way to monitor your printer, especially with the addition of a webcam. Using a tablet or mobile phone, you can keep an eye on what the printer is doing from anywhere in the house (or world, if you take the proper precautions), saving you from having to sit with the printer as if it’s an infant. But... | 15 | 8 | [
{
"comment_id": "5062744",
"author": "donvukovic",
"timestamp": "2018-09-15T23:48:36",
"content": "At time mark 1:30 it a banner stating “Should be Switching Neutral”You are correct, you are NOT an electrician !!Just like the circuit breaker in the breaker box, you switch the HOT side.You want to c... | 1,760,374,221.178844 | ||
https://hackaday.com/2018/09/15/the-tiny-pocket-sized-robot-meant-for-hacking/ | The Tiny, Pocket-Sized Robot Meant For Hacking | Brian Benchoff | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"battlebots",
"edtech",
"robot",
"robots"
] | The world is full of educational robots for STEAM education, but we haven’t seen one as small or as cute
as the Skoobot
, an entry in this year’s Hackaday Prize. It’s barely bigger than an inch cubed, but it’s still packed with motors, a battery, sensors, and a microcontroller powerful enough to become a pocket-sized s... | 7 | 5 | [
{
"comment_id": "5062551",
"author": "Howard",
"timestamp": "2018-09-15T20:16:40",
"content": "This is a wonderful design and something I’d find useful in the classes I teach to college & the older K-12 kids. It’s going to have to cost way less than the $100 he’s asking now but of course this is the... | 1,760,374,221.324688 | ||
https://hackaday.com/2018/09/15/camera-uses-algorithms-instead-of-lenses/ | Camera Uses Algorithms Instead Of Lenses | Al Williams | [
"digital cameras hacks",
"News"
] | [
"camera",
"image sensor",
"lens",
"optical"
] | A normal camera uses a lens to bend light so that it hits a sensor. A pinhole camera doesn’t have a lens, but the tiny hole serves the same function. Now two researchers from the University of Utah. have used software to
recreate images from scattered unfocused light
. The quality isn’t great, but there’s no lens — not... | 21 | 11 | [
{
"comment_id": "5062254",
"author": "Alex Rossie",
"timestamp": "2018-09-15T17:30:51",
"content": "So literal magic?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5062270",
"author": "Jan",
"timestamp": "2018-09-15T17:41:36",
"conte... | 1,760,374,220.970597 | ||
https://hackaday.com/2018/09/15/string-art-robot-is-an-autorouter-in-reverse/ | String Art Robot Is An Autorouter In Reverse | Brian Benchoff | [
"Robots Hacks"
] | [
"String Art",
"wire wrap"
] | In the depths of Etsy and Pinterest is a fascinating, if tedious, artform. String art, the process of nailing pins in a board and wrapping thread around the perimeter to create shapes and shading, The most popular project in this vein is something like putting the outline of a heart, in string, in the shape of your hom... | 14 | 6 | [
{
"comment_id": "5061907",
"author": "Ostracus",
"timestamp": "2018-09-15T14:33:39",
"content": "“The first autorouters — the things you should never trust to route traces between the packages on your PCB — we created for wire wrapped computers.”Sounds kind of useless then? Untrustworthy tools.",
... | 1,760,374,221.279795 | ||
https://hackaday.com/2018/09/15/testing-lithium-ceramic-batteries-lcbs/ | Testing Lithium Ceramic Batteries (LCBs) | Steven Dufresne | [
"chemistry hacks"
] | [
"battery",
"battery hack",
"lithium ceramic battery",
"solid-state battery"
] | Affordable solid-state batteries large enough for cell phones and drones have been promised for a long time but seem to always be a few years away from production. In this case, Taiwan based Prologium sent [GreatScott]
samples of their Lithium Ceramic batteries (LCBs) to test
, and even though they’re not yet commercia... | 29 | 13 | [
{
"comment_id": "5061507",
"author": "Luke",
"timestamp": "2018-09-15T11:36:43",
"content": ">”smoke appeared while cutting and hammering a nail through, likely due to the shorts”That’s always the issue why you can’t make a safe lithium battery. The short circuit itself is dangerous, unless the inte... | 1,760,374,221.394071 | ||
https://hackaday.com/2018/09/15/electromagnetic-field-speczilla/ | Electromagnetic Field: Speczilla! | Jenny List | [
"cons",
"Retrocomputing"
] | [
"Electromagnetic Field 2018",
"retrocomputing",
"sinclair",
"ZX Spectrum"
] | It is a golden rule of the journalist’s art, that we report the news, we don’t
make
it. But just occasionally we find ourselves in the odd position of being in the right place such that one of our throwaway comments or actions has the unintended consequence of seeding a story. This is one of those moments, so it’s a ra... | 9 | 5 | [
{
"comment_id": "5061382",
"author": "Stephen",
"timestamp": "2018-09-15T10:56:39",
"content": "What a lovely silly idea! That was my first computer, and though it is much mocked, I have great affection for it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,221.223569 | ||
https://hackaday.com/2018/09/14/a-dozen-tubes-make-an-educational-amplifier/ | A Dozen Tubes Make An Educational Amplifier | Al Williams | [
"classic hacks"
] | [
"audio",
"audio amplifier",
"tube",
"tubes",
"vacuum tube",
"vacuum tube audio"
] | If you asked [Hans_Daniel] what he learned by building a tube audio amplifier with a dozen tubes that he found, the answer might just be, “don’t wind your own transformers.” We were impressed, though, that he went from not knowing much about tubes to
a good looking amplifier build
. We also like the name — NASS II-12 w... | 16 | 6 | [
{
"comment_id": "5060178",
"author": "steelman",
"timestamp": "2018-09-15T05:37:29",
"content": "Twelve‽ Isn’t that a little bit too many?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5060200",
"author": "WKalman",
"timestamp": "2018-09-15T... | 1,760,374,221.025151 | ||
https://hackaday.com/2018/09/14/ai-finds-more-space-chatter/ | AI Finds More Space Chatter | Al Williams | [
"News",
"Slider"
] | [
"ai",
"artificial intellegence",
"fast radio bursts",
"FRB",
"machine learning",
"neural networks",
"Radio Astronomy",
"SETI"
] | Scientists don’t know exactly what fast radio bursts (FRBs) are. What they do know is that they come from a long way away. In fact, one that occurs regularly comes from a galaxy 3 billion light years away. They could form from neutron stars or they could be extraterrestrials phoning home. The other thing is — thanks to... | 25 | 11 | [
{
"comment_id": "5060143",
"author": "rmd6502",
"timestamp": "2018-09-15T05:22:11",
"content": "alien number stations",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5060385",
"author": "Ostracus",
"timestamp": "2018-09-15T06:35:35",
"content": "Som... | 1,760,374,221.452765 | ||
https://hackaday.com/2018/09/14/flexible-pcbs-make-the-fins-of-this-robotic-fish/ | Flexible PCBs Make The Fins Of This Robotic Fish | Dan Maloney | [
"Robots Hacks"
] | [
"coil",
"fin",
"fish",
"flexible",
"inductor",
"Kapton",
"OCB",
"soft actuator",
"submersible",
"swim",
"underwater"
] | We love a little outside-the-box thinking around here, and anytime we see robots that don’t use wheels and motors to do the moving, we take notice. So when
a project touting robotic fish using soft-actuator fins
crossed the tip line, we had to take a look.
It turns out that this robofish comes from the fertile mind of ... | 10 | 6 | [
{
"comment_id": "5056306",
"author": "regdog",
"timestamp": "2018-09-14T23:35:42",
"content": "This would have been interesting if he used even simple electronics and something like a button cell battery and made it autonomous. Watching a popsicle stick with the little flat coils on it not move bec... | 1,760,374,221.11761 | ||
https://hackaday.com/2018/09/14/let-no-eyebrow-go-unsinged-with-a-wrist-mounted-flamethrower/ | Let No Eyebrow Go Unsinged With A Wrist-Mounted Flamethrower | Dan Maloney | [
"Weapons Hacks",
"Wearable Hacks"
] | [
"butane",
"fire bender",
"flamethrower",
"hadouken",
"high voltage",
"solenoid",
"valve",
"wrist mounted"
] | We’ll say it just once, and right up front: wrist-mounted flamethrowers are a bad idea. An itchy nose and a brief moment of forgetfulness while sporting one of these would make for a Really Bad Day. That said,
this flaming gauntlet of doom
looks like a lot of fun.
We’ve got to hand it to [Steve Hernandez] – he put a lo... | 10 | 6 | [
{
"comment_id": "5055802",
"author": "RandyKC",
"timestamp": "2018-09-14T20:38:50",
"content": "“After all, we’ve seen many, many, many of them, with nary a report of injury.”Survivor bias?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5055855",
"au... | 1,760,374,221.07422 | ||
https://hackaday.com/2018/09/14/speech-recognition-without-a-voice/ | Speech Recognition Without A Voice | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"speech recognition",
"subvocal recognition"
] | The biggest change in Human Computer Interaction over the past few years is the rise of voice assistants. The Siris and Alexas are our HAL 9000s, and soon we’ll be using these assistants to open the garage door. They might just do it this time.
What would happen if you could talk to these voice assistants without sayin... | 23 | 11 | [
{
"comment_id": "5055432",
"author": "Mike Massen",
"timestamp": "2018-09-14T18:35:45",
"content": "Hmm, so my lucid dreams in vocalising could now be recorded too, great stuff as a bit more articulation of subconscious thoughts could be entertaining, thanks for post :-)",
"parent_id": null,
... | 1,760,374,221.822504 | ||
https://hackaday.com/2018/09/13/damaged-power-cord-repaired-with-shop-made-mold/ | Damaged Power Cord Repaired With Shop-Made Mold | Dan Maloney | [
"Repair Hacks",
"Tool Hacks"
] | [
"molded",
"molding",
"power cord",
"repair",
"rubber",
"strain relief",
"tool"
] | We’ve likely all seen a power tool with a less-than-functional strain relief at one end of the power cord or the other. Fixing the plug end is easy, but at the tool end things are a little harder and often not worth the effort compared to the price of just replacing the tool. There’s no obsolescence like built-in obsol... | 25 | 10 | [
{
"comment_id": "5047370",
"author": "Saabman",
"timestamp": "2018-09-13T23:40:20",
"content": "Hmm – it’s a nice experiment but …I would be concerned more about the safety of that lead after been pulled out like that the cable retention is now non existent and the cables have been stretched.The dam... | 1,760,374,221.984497 | ||
https://hackaday.com/2018/09/13/turning-a-tiny-flir-into-an-action-cam-with-fpgas/ | Turning A Tiny FLIR Into An Action Cam With FPGAs | Brian Benchoff | [
"FPGA"
] | [
"flir",
"FLIR Boson",
"fpga",
"infrared",
"infrared camera"
] | FLIR are making some really great miniature thermal cameras these days, designed for applications such as self-driving cars, and tools that help keep firefighters safe. That’s great and all, but these thermal cameras are so cool, you really just want to play with one. That’s what [greg] was thinking when he designed a ... | 18 | 3 | [
{
"comment_id": "5046772",
"author": "Tbussinger",
"timestamp": "2018-09-13T20:17:17",
"content": "None of these FLIR projects mention the germanium lenses or their cost / performance impact on the projects. :/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,221.921547 | ||
https://hackaday.com/2018/09/13/using-motors-as-encoders/ | Using Motors As Encoders | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"brushless",
"brushless motor",
"encoder",
"rotary encoder"
] | If you have a brushless motor, you have some magnets, a bunch of coils arranged in a circle, and theoretically, all the parts you need to build a rotary encoder. A lot of people have used brushless or stepper motors as rotary encoders, but they all seem to do it by using the motor as a generator and looking at the phas... | 8 | 3 | [
{
"comment_id": "5046740",
"author": "Gary A Crowell",
"timestamp": "2018-09-13T19:22:44",
"content": "Wondering how it compares to this:https://www.kickstarter.com/projects/1375236253/stepperature-open-source-quadrature-hand-wheel",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,221.868718 | ||
https://hackaday.com/2018/09/13/electromagnetic-field-my-career-as-a-spammer-and-other-stories-from-the-sneakernet/ | My Career As A Spammer, And Other Stories From The Sneakernet | Jenny List | [
"cons",
"Hackaday Columns",
"Interest"
] | [
"EMF camp 2018",
"hacker culture",
"postage",
"postal"
] | A large hacker camp is in microcosm a city, it has all the services you might expect to find in a larger settlement in the wider world. There is a telecommunication system, shops, bars, a health centre, waste disposal services, a power grid, and at some camps, a postal system. At Electromagnetic Field, the postal syste... | 12 | 4 | [
{
"comment_id": "5046751",
"author": "yetihehe",
"timestamp": "2018-09-13T19:42:34",
"content": "“Go to interesting places, meet new people and deliver them spam…” Nice writeup, really shows how big such events are. Please do make another article with more descriptions of what you’ve seen!",
"pa... | 1,760,374,222.523542 | ||
https://hackaday.com/2018/09/13/packing-10-into-1-a-square-inch-dekatron-replacement/ | Packing 10 Into 1: A Square Inch Dekatron Replacement | Al Williams | [
"contests",
"Retrocomputing"
] | [
"contest",
"dekatron",
"square inch contest"
] | One of the things that always attracts our eye in old movies is how many kinds of displays you see on old gear both real and imaginary. Really old stuff usually had meters or circular recorders. But slightly newer movies often had some kind of exotic digital display with Nixes or Numitron tubes. One of the really exoti... | 11 | 5 | [
{
"comment_id": "5046497",
"author": "Ren",
"timestamp": "2018-09-13T15:43:05",
"content": "Now to find some little clear domes to place over each of them!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5046505",
"author": "peterlarson233",
"... | 1,760,374,222.245597 | ||
https://hackaday.com/2018/09/13/the-din-rail-and-how-it-got-that-way/ | The DIN Rail And How It Got That Way | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"cabinet",
"connection",
"control panel",
"din",
"DIN rail",
"How It Got That Way",
"industrial",
"standards",
"terminal block",
"termination"
] | Unless you’ve spent some time in the industrial electrical field, you might be surprised at the degree of integration involved in the various control panels needed to run factories and the like. Look inside any cabinet almost anywhere in the world, and you’ll be greeted by rows of neat plastic terminal blocks, circuit ... | 56 | 14 | [
{
"comment_id": "5046388",
"author": "AVR",
"timestamp": "2018-09-13T14:06:02",
"content": "somebody likes WAGO lolz, they came by my office and gave out samples. Just need a few mor samples and I can wire my CNC machine!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,374,222.425879 | ||
https://hackaday.com/2018/09/13/tesla-opens-with-precomputed-key-fob-attack/ | Tesla Opens With Precomputed Key Fob Attack | Jonathan Bennett | [
"car hacks",
"Security Hacks"
] | [
"embedded security",
"key fob",
"radio",
"raspberry pi",
"Tesla Model S"
] | This
clever precomputation attack
was developed by a group of researchers at KU Leuven in Belgium. Unlike previous
key fob attacks
that we’ve covered in the past which have been essentially relay attacks, this hack precomputes a ton of data, looks for a collision in the dataset, and opens the door. Here’s how it works.... | 43 | 13 | [
{
"comment_id": "5045482",
"author": "Doubleyou",
"timestamp": "2018-09-13T11:55:32",
"content": "What amazes me, is that a brand like Tesla uses this stone age cipher. Since then TI and others produced several generations of devices with improved and finally AES encryption. DST40 has been broken a ... | 1,760,374,222.324264 | ||
https://hackaday.com/2018/09/13/wood-shines-in-this-scara-robotic-arm-project/ | Wood Shines In This SCARA Robotic Arm Project | Donald Papp | [
"cnc hacks",
"Robots Hacks"
] | [
"cnc",
"open source",
"RAMPS",
"robot arm",
"robotic arm",
"robotics",
"scara",
"wood"
] | [igarrido] has shared a project that’s been in the works for a long time now;
a wooden desktop robotic arm, named Virk I
. The wood is Australian Blackwood and looks gorgeous. [igarrido] is clear that it is a side project, but has decided to try producing a small run of eight units to try to gauge interest in the desig... | 9 | 7 | [
{
"comment_id": "5044701",
"author": "Andy Pugh",
"timestamp": "2018-09-13T08:47:07",
"content": "LinuxCNC and Machinekit support SCARA Kinematics. Machinekit runs on the BeagleBone and there are RAMPS style BoBs for that.https://reprap.org/wiki/CRAMPS",
"parent_id": null,
"depth": 1,
"r... | 1,760,374,222.467887 | ||
https://hackaday.com/2018/09/12/tiny-is-a-new-take-on-the-ti-99-4a/ | TI(ny) Is A New Take On The TI-99/4A | Lewin Day | [
"Retrocomputing"
] | [
"retro",
"retrocomputing",
"texas instruments",
"TI-99",
"TI-99/4A"
] | Way back in the 1980s, in the heyday of the personal computer revolution, Texas Instruments were one of the major players. The TI-99/4A was one of their more popular machines, selling 2.8 million units after an epic price war with the Commodore VIC-20. However once it had been discontinued, fans were left wanting more ... | 23 | 14 | [
{
"comment_id": "5044396",
"author": "Zerg",
"timestamp": "2018-09-13T06:33:51",
"content": "Very cool and a true labor of love.That’s doing retro right.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5044534",
"author": "Gege34",
"timestamp": "2018-09... | 1,760,374,222.198193 | ||
https://hackaday.com/2018/09/12/unphotogenic-lighting-as-a-feature/ | Unphotogenic Lighting As A Feature | Brian McEvoy | [
"Phone Hacks",
"Portable Video Hacks",
"Video Hacks"
] | [
"flicker",
"inconvenient",
"led",
"leds",
"lighting",
"Lishield",
"photography",
"privacy",
"rgb",
"Unphotogenic",
"wreck"
] | Have you ever taken a picture indoors and had unsightly black bars interrupt your otherwise gorgeous photo? They are caused by lighting which flickers in and out in its normal operation. Some people can sense it easier than others without a camera. The inconsistent light goes out so briefly that we usually cannot perce... | 13 | 4 | [
{
"comment_id": "5041242",
"author": "geocrasher",
"timestamp": "2018-09-13T02:32:25",
"content": "I just came here to say that that the accompanying image made my eyes hurt.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5044270",
"author": "Luke",
... | 1,760,374,222.574907 | ||
https://hackaday.com/2018/09/12/a-3d-printed-marble-clock/ | A 3D Printed Marble Clock | Rich Hawkes | [
"clock hacks"
] | [
"clock",
"instructable",
"marble",
"marble clock"
] | There are clocks with pendulums, gears, and circuits. How about one with
marbles
? Initially designed in the ’70s, rolling ball clocks came in many designs and materials, but this is the future, so [gocivici] has created an Instructable to show you how you can 3D print and build your own.
Three rows of marbles keep tra... | 11 | 7 | [
{
"comment_id": "5040692",
"author": "Ostracus",
"timestamp": "2018-09-12T23:11:36",
"content": "Rock, around the Clock.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5040946",
"author": "jcverive",
"timestamp": "2018-09-13T00:11:22",
"content": "... | 1,760,374,222.620007 | ||
https://hackaday.com/2018/09/12/bixel-an-open-source-16x16-interactive-led-array/ | Bixel, An Open Source 16×16 Interactive LED Array | Tom Nardi | [
"hardware",
"LED Hacks"
] | [
"acrylic",
"buttons",
"LED array",
"shift register",
"Teensy"
] | The phrase “Go big or go home” is clearly not lost on [Adam Haile] and [Dan Ternes] of Maniacal Labs. For years they’ve been thinking of creating a giant LED matrix where each “pixel” doubled as a physical push button. Now that they’ve built up experience working on other LED projects, they finally decided it was time ... | 10 | 4 | [
{
"comment_id": "5040200",
"author": "Uriel Guy",
"timestamp": "2018-09-12T20:19:42",
"content": "I have a slightly bigger version of this, mostly for Burning Man (where it’s 3 times bigger than the video)https://youtu.be/lfoz6IJicFQ",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,222.674618 | ||
https://hackaday.com/2018/09/12/video-quick-bit-the-best-in-human-computer-interfaces/ | Video Quick Bit: The Best In Human Computer Interfaces | Brian Benchoff | [
"Hackaday Columns",
"Slider",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Hackaday Prize Update",
"Human Computer Interface Challenge",
"video quick-bit"
] | We’re neck deep in the Hackaday Prize, and we just wrapped up the Human Computer Interface Challenge. This is an incredible contest to go beyond traditional mice and keyboards to find new ways to transfer your desires directly into a computer.
Majenta Strongheart is back at it again
, giving us a look at some of the co... | 7 | 2 | [
{
"comment_id": "5040043",
"author": "Ostracus",
"timestamp": "2018-09-12T19:38:31",
"content": "“The biggest advance in Human-Computer Interaction in the last few years is obviously VR. ”Or AR.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5047504",
... | 1,760,374,222.809108 | ||
https://hackaday.com/2018/09/12/whats-a-couplate-the-stepping-stone-to-integrated-circuits/ | What’s A Couplate? The Stepping Stone To Integrated Circuits | Al Williams | [
"Hackaday Columns",
"History",
"Original Art",
"Slider"
] | [
"areovox",
"bulplate",
"centralab",
"couplate",
"pec",
"printed circuit",
"sprague"
] | We are spoiled these days because you can shop online and get all manner of inexpensive electronic goodies shipped to your door. This is due to the fantastic electronic fabrication workflow that has grown into a global powerhouse, facilitated by complex yet inexpensive integrated circuits! But it took a few intermediat... | 22 | 9 | [
{
"comment_id": "5039509",
"author": "paul",
"timestamp": "2018-09-12T17:39:13",
"content": "One of the earlier examples of this is probably that 1940-ies radio where resistors, capacitors & inductors are directly printed / etched on some pcb like (ceramic?) subtrate.The B&W video of that radio is a... | 1,760,374,222.924825 | ||
https://hackaday.com/2018/09/14/easy-portable-serial-ports/ | Easy Portable Serial Ports | Al Williams | [
"Hackaday Columns",
"Software Development",
"Software Hacks"
] | [
"libserialport",
"rs232",
"serial port",
"sigrok"
] | Modern operating systems insulate us — as programmers, especially — from so much work. Depending on how far back you go, programmers had to manage their own fonts, their own allocation space on mass storage, or even their own memory allotments. Every year, though, it seems like things get easier and easier. So why is i... | 51 | 16 | [
{
"comment_id": "5055112",
"author": "Ren",
"timestamp": "2018-09-14T17:30:10",
"content": "Oh…I was hoping for a story on easily adding hardware serial ports to any/every thing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5055192",
"author": "Dodo",
... | 1,760,374,223.528749 | ||
https://hackaday.com/2018/09/14/katherine-scott-earths-daily-photo-through-200-cubesat-cameras/ | Katherine Scott: Earth’s Daily Photo Through 200 Cubesat Cameras | Mike Szczys | [
"cons",
"Interviews",
"Space"
] | [
"2018 Hackaday Superconference",
"cubesat",
"machine learning",
"Planet Labs",
"Satellites",
"Supercon"
] | Every year at Supercon there is a critical mass of awesome people, and last year Sophi Kravitz was able to sneak away from the festivities for
this interview with Katherine Scott
. Kat was a judge for the 2017 Hackaday Prize. She specializes in computer vision, robotics, and manufacturing and was the image analytics te... | 11 | 4 | [
{
"comment_id": "5054725",
"author": "Doc Oct",
"timestamp": "2018-09-14T15:46:16",
"content": "Wow, I wonder what the downlink on this looks like.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5055047",
"author": "DKE",
"timestamp": "2018-0... | 1,760,374,223.20986 | ||
https://hackaday.com/2018/09/14/one-small-step-for-a-space-elevator/ | One Small Step For A Space Elevator | Tom Nardi | [
"Current Events",
"Engineering",
"Featured",
"News",
"Original Art",
"Space"
] | [
"cubesat",
"JAXA",
"orbit",
"space",
"space elevator",
"Tether"
] | Space elevators belong to that class of technology that we all want to see become a reality within our lifetimes, but deep-down doubt we’ll ever get to witness firsthand. Like cold fusion, or faster than light travel, we understand the principles that should make these concepts possible, but they’re so far beyond our t... | 149 | 31 | [
{
"comment_id": "5054378",
"author": "m_a_s",
"timestamp": "2018-09-14T14:08:37",
"content": "One of the best parts about a space elevator is that you cannot hear the Muzak.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5054400",
"author": "Ren",
... | 1,760,374,223.86775 | ||
https://hackaday.com/2018/09/14/hp-rolls-out-metal-3d-printers/ | HP Rolls Out Metal 3D Printers | Al Williams | [
"3d Printer hacks",
"News"
] | [
"3D metal printer",
"3d printing",
"3d printing metal",
"HP"
] | You normally think of HP as producing inkjet and laser printers. But they’ve been quietly building 3D printers aimed at commercial customers. Now they are moving out with
metal printers
called — predictably — the HP Metal Jet. The video (see below) is a little glitzy, but the basic idea is that print bars lay down powd... | 36 | 13 | [
{
"comment_id": "5053632",
"author": "Aidan",
"timestamp": "2018-09-14T11:09:05",
"content": "What is the industry standard metal sintering process that would have to be applied to their green part after it comes out of the printer?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,223.160815 | ||
https://hackaday.com/2018/09/14/behold-a-diy-kid-friendly-table-saw/ | Behold A DIY, Kid-Friendly Table Saw | Donald Papp | [
"Tool Hacks"
] | [
"finger joint",
"kid friendly",
"nibbler",
"power drill",
"table saw",
"wood",
"woodworking"
] | The “table saw” swaps the saw for a nibbler; here it is cutting corrugated cardboard in a manner much like the saw it replaces.
“Kid-friendly table saw” seems like either a contradiction, a fool’s errand, or a lawsuit waiting to happen; but this
wooden table saw for kids
actually fits the bill and shows off some incred... | 26 | 12 | [
{
"comment_id": "5052994",
"author": "svofski",
"timestamp": "2018-09-14T08:07:48",
"content": "A real circular saw is just an oversimplified nibbler. So this is a great way of making something safer without taking away much.The main disadvantage seems to be that the circular saw works as a guide of... | 1,760,374,223.276223 | ||
https://hackaday.com/2018/09/13/france-questions-russian-satellite-with-big-ears/ | France Questions Russian Satellite With “Big Ears” | Tom Nardi | [
"News",
"Space"
] | [
"espionage",
"orbital rendezvous",
"russia",
"satellite",
"Space Force"
] | French Defense Minister Florence Parly took a page out of
Little Red Riding Hood
when she recently called out a Russian satellite for having “big ears”. While she stopped short of giving any concrete details, it was a rare and not terribly veiled accusation that Russia is using their
Luch-Olymp spacecraft
to perform or... | 34 | 9 | [
{
"comment_id": "5052478",
"author": "Kia S",
"timestamp": "2018-09-14T05:59:25",
"content": "USA-202 / MENTOR 4 and USA-207/PAN have been photographed in flagrante delicto by amateur satellite-trackers doing the *exact* same thing to Yahsat 1b and Thuraya-2, and have been tracked doing similar mano... | 1,760,374,223.676466 | ||
https://hackaday.com/2018/09/13/a-whole-other-kind-of-graphical-programming/ | A Whole Other Kind Of Graphical Programming | Sven Gregori | [
"Software Development"
] | [
"ide",
"java",
"ms paint",
"ocr",
"programming"
] | Java isn’t everyone’s cup of tea. With all its boilerplate and overhead, you’re almost always better off with a proper IDE that handles everything under the hood for you. However, if you learn a new language, you don’t really want to be bothered setting up a clunky and complex IDE. If only you could use a simple, stand... | 31 | 8 | [
{
"comment_id": "5050177",
"author": "hiimalexjgarcia",
"timestamp": "2018-09-14T02:06:09",
"content": "what the what… :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5051017",
"author": "CityZen",
"timestamp": "2018-09-14T02:45:00",
"content": "... | 1,760,374,223.344381 | ||
https://hackaday.com/2018/09/11/adding-upgrades-to-a-stock-motorcycle/ | Adding Upgrades To A Stock Motorcycle | Bryan Cockfield | [
"Transportation Hacks"
] | [
"arduino",
"cluster",
"gauge",
"gear",
"indicator",
"motorcycle",
"OBD",
"obd-ii",
"Suzuki"
] | In today’s world of over-the-air firmware upgrades in everything from cars to phones to refrigerators, it’s common for manufacturers of various things to lock out features in software and force you to pay for the upgrades. Even if the hardware is the same across all the models, you can still be on the hook if you want ... | 28 | 10 | [
{
"comment_id": "5033014",
"author": "Padrote",
"timestamp": "2018-09-12T00:17:37",
"content": "Rather than being some feature they are “forcing you to pay for” my guess is that it’s more like the development cycle of the gauge cluster just didn’t line up with that of the ECU, or some such. From a g... | 1,760,374,223.598517 | ||
https://hackaday.com/2018/09/11/temperature-controlled-fan-keeps-printer-cool/ | Temperature Controlled Fan Keeps Printer Cool | Tom Nardi | [
"3d Printer hacks",
"hardware"
] | [
"3d printer enclosure",
"exhaust",
"fan",
"temperature-control"
] | There are many annoying issues associated with desktop 3D printers, but perhaps none are trickier than keeping the machine at the proper temperature. Too cold, and printed parts can warp or fail to adhere to the bed. Too hot, and the filament can get soft and jam, or the motors will start clanking and missing steps. Hi... | 15 | 4 | [
{
"comment_id": "5032923",
"author": "starhawk",
"timestamp": "2018-09-11T22:52:29",
"content": "Hey, I’m a fan of this idea…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5032993",
"author": "scott t",
"timestamp": "2018-09-11T23:55:44",
... | 1,760,374,223.921043 | ||
https://hackaday.com/2018/09/11/disassembling-mouse-sensors-for-tracking-tongues/ | Disassembling Mouse Sensors For Tracking Tongues | Brian Benchoff | [
"Slider",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"camera",
"mouse",
"mouse module",
"tongue"
] | We just wrapped up the Human Computer Interface challenge in this year’s Hackaday Prize, and with that comes a bevy of interesting new designs for mice and keyboards that push the envelope of what you think should be possible, using components that seem improbable. One of the best examples of this is
The Bit, a project... | 22 | 11 | [
{
"comment_id": "5032171",
"author": "RW ver 0.0.1",
"timestamp": "2018-09-11T18:43:15",
"content": "Great stuff. Beyond pointer movement, it would interesting to see if it can track and interpret the tongue gestures of speech for text entry, because a) audio speech recog with a pacifier in yer cake... | 1,760,374,223.980696 | ||
https://hackaday.com/2018/09/11/the-pre-crt-oscilloscope/ | The Pre-CRT Oscilloscope | Al Williams | [
"Hackaday Columns",
"History",
"Slider"
] | [
"cathode ray tube",
"crt",
"general radio",
"genrad",
"history",
"oscillograph",
"oscilloscope"
] | Oscilloscopes are especially magical because they translate the abstract world of electronics into something you can visualize. These days, a scope is likely to use an LCD or another kind of flat electronic display, but the gold standard for many years was the ubiquitous CRT (cathode ray tube). Historically, though, CR... | 31 | 13 | [
{
"comment_id": "5031964",
"author": "Mike",
"timestamp": "2018-09-11T17:15:27",
"content": "“These days, a scope is likely to use an LCD or other kind of flat electronic display, but the gold standard for many years was.”Was what? What? Come on, man, don’t leave us hanging like this!!!!",
"pare... | 1,760,374,224.058331 | ||
https://hackaday.com/2018/09/11/awesome-looking-3d-printed-rc-plane-is-full-of-design-considerations/ | Awesome Looking 3D Printed RC Plane Is Full Of Design Considerations | Steven Dufresne | [
"3d Printer hacks"
] | [
"3d printed rc plane",
"3d printing",
"rc plane"
] | Designing and 3D printing RC planes offer several interesting challenges, and so besides being awesome looking and a fast flier, [localfiend’s] Northern Pike build is definitely worth a look. Some details can be found by wading through
this forum
but there’s also quite a bit on
his Thingiverse page
.
Tongue-and-groove ... | 18 | 4 | [
{
"comment_id": "5031741",
"author": "AVR",
"timestamp": "2018-09-11T15:42:11",
"content": "This is just awesome! A unique swept wing Burt Rutan style design and it can be printed/flown! When first got into RepRap all the aero kids at college said this wouldnt work.",
"parent_id": null,
"de... | 1,760,374,224.206384 | ||
https://hackaday.com/2018/09/11/do-space-probes-fail-because-of-space-weather/ | Do Space Probes Fail Because Of Space Weather? | Brian Benchoff | [
"Engineering",
"Original Art",
"Slider",
"Space"
] | [
"arcing",
"bearings",
"failure",
"Ithaco Space Systems",
"reaction wheel",
"space probe"
] | Over the past few decades, numerous space probes sent to the far-flung reaches of the Solar System have fallen silent. These failures weren’t due to communications problems, probes flying into scientifically implausible anomalies, or little green men snatching up the robotic scouts we’ve sent out into the Solar System.... | 40 | 13 | [
{
"comment_id": "5031547",
"author": "Wretch",
"timestamp": "2018-09-11T14:23:21",
"content": "Oh, ha, took me a while to understand the illustration. (c:“…changed from metal ball bearings to ceramic bearings…” I’m sure they’ve tested for it, I’m just curious, doesn’t ceramic become brittle at rea... | 1,760,374,224.143535 | ||
https://hackaday.com/2018/09/11/how-big-is-your-oscilloscope-one-inch/ | How Big Is Your Oscilloscope? One Inch? | Al Williams | [
"Tool Hacks"
] | [
"contest",
"hackaday.io",
"pic",
"pic32",
"Square inch project"
] | We are anxious to see the finished product of [Mark Omo’s] entry into our one square inch project. It is a
20 megasample per second oscilloscope
that fits the form factor and includes a tiny OLED screen. We will confess that we started thinking if you could use these as replacements for panel meters or find some other ... | 30 | 8 | [
{
"comment_id": "5031171",
"author": "jimvandamme",
"timestamp": "2018-09-11T11:30:56",
"content": "Some high end audio amps use oscilloscopes. McIntosh, for one. They came in handy for tuning FM receivers or just checking stereo separation or phase. The rest of the time they’re just cool. Of course... | 1,760,374,224.272466 | ||
https://hackaday.com/2018/09/12/friday-hack-chat-playing-with-fire/ | Friday Hack Chat: Playing With Fire | Brian Benchoff | [
"Hackaday Columns"
] | [
"fire",
"Hack Chat",
"pyrotechnic",
"pyrotechnics"
] | We’re pretty sure all the hackers and tinkerers and makers out there were a tiny bit of a pyromaniac in their youth. That’s what makes this week’s Hack Chat so exciting: we’re talking about
Hacking With Fire
.
Our guest for this week’s Hack Chat will be [Brice Farrell], who, like most of us, has been interested in fire... | 6 | 3 | [
{
"comment_id": "5039285",
"author": "Ren",
"timestamp": "2018-09-12T16:18:28",
"content": "“Fire in the hole!”“Fire in the hole!”“Fire in the hole!”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5039857",
"author": "JLN",
"timestamp": "2018... | 1,760,374,224.318491 | ||
https://hackaday.com/2018/09/12/gorgeous-omnidirectional-3d-printed-speaker/ | Gorgeous Omnidirectional 3D Printed Speaker | Tom Nardi | [
"digital audio hacks",
"Musical Hacks"
] | [
"3D printed enclosure",
"amplifier",
"bluetooth speaker",
"tda2030"
] | With all due respect to the hackers and makers out there that provide us with all these awesome projects to salivate over, a good deal of them tend to prioritize functionality over aesthetics. Which isn’t a bad thing necessarily, and arguably better than the alternative. But for many people there’s a certain connotatio... | 12 | 9 | [
{
"comment_id": "5039169",
"author": "Daniel",
"timestamp": "2018-09-12T15:39:22",
"content": "Really cool looking speaker but please, don’t use those protection boards for charging!They do work fine for discharge / undervoltage protection but fail at charging the cells properly.If you connect a pow... | 1,760,374,224.465662 | ||
https://hackaday.com/2018/09/12/pla-the-plastic-that-grows/ | PLA: The Plastic That Grows | Dan Maloney | [
"Featured",
"Interest"
] | [
"biocompatible",
"biodegradable",
"bioplastic",
"biopolymer",
"invention",
"lactide",
"medical implant",
"PLA",
"plastic",
"polylactic acid",
"polymer"
] | If you’ve ever taken a coast-to-coast car trip across the United States, the one thing that’s sure to impress you is the mind-bogglingly immense amount of corn that we grow here. If you take the northern route — I’ve done it seven times, so I know it by heart — you’ll see almost nothing but corn from Ohio to Montana. T... | 67 | 16 | [
{
"comment_id": "5038911",
"author": "alfcoder",
"timestamp": "2018-09-12T14:10:31",
"content": "here we put the corn into pressure cooker with water and cook it, very delicious with some salt:)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5039350",
... | 1,760,374,224.574897 | ||
https://hackaday.com/2018/09/12/turning-a-cheap-engraver-into-a-decent-pcb-mill/ | Turning A Cheap Engraver Into A Decent PCB Mill | Tom Nardi | [
"Arduino Hacks",
"Tool Hacks"
] | [
"Arduino Uno",
"cnc",
"copper clad",
"grbl",
"PCB mill"
] | We know, we know. Getting PCBs professionally fabricated anymore is so cheap and easy that making them in-house is increasingly becoming something of a lost art. Like developing your own film. Or even using a camera that has film, for that matter. But when you’re in Brazil and it takes months for shipments to arrive li... | 32 | 8 | [
{
"comment_id": "5038342",
"author": "Doubleyou",
"timestamp": "2018-09-12T11:40:50",
"content": "I like the material on how to use the different tools! The PCB mill in my hackerspace uses a horrible program to control and level the mill. bCNC looks much better, I will give it a try.",
"parent_i... | 1,760,374,224.649632 | ||
https://hackaday.com/2018/09/12/less-is-more-a-micromatrix-display-in-a-square-inch/ | Less Is More: A Micromatrix Display In A Square Inch | Al Williams | [
"ATtiny Hacks",
"LED Hacks",
"Microcontrollers"
] | [
"attiny",
"charlieplexing",
"contest",
"hackaday.io",
"led",
"square inch contest"
] | In your living room, the big display is what you want. But in an embedded project, often less is more. We think [bobricius] will agree since he submitted a
tiny 4×5 LED display
into our square inch challenge. The board features an ATtiny CPU and twenty SMD LEDs in a nice grid. You can see them in action, scrolling to s... | 7 | 6 | [
{
"comment_id": "5037640",
"author": "Trax",
"timestamp": "2018-09-12T09:52:59",
"content": "Great job man! I really like it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5038768",
"author": "Ren",
"timestamp": "2018-09-12T13:20:32",
"content": "... | 1,760,374,224.696256 | ||
https://hackaday.com/2018/09/11/repairing-a-desktop-jukebox/ | Repairing A Desktop Jukebox | Al Williams | [
"Musical Hacks"
] | [
"45 rpm",
"jukebox",
"record player"
] | Although vinyl records have had a bit of resurgence, they are far away from their heyday. There was a time when 45 RPM singles were not just how you listened to music at home, but they also populated the jukeboxes you’d find in your local malt shop or anywhere else in public. [Fran] has an
old 45 RPM “desktop jukebox”
... | 4 | 3 | [
{
"comment_id": "5038777",
"author": "Ren",
"timestamp": "2018-09-12T13:23:20",
"content": "(interrupting the comment silence with a silent comment)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5039066",
"author": "Charles R. Veres",
"timestamp": "20... | 1,760,374,224.733556 | ||
https://hackaday.com/2018/09/11/shop-made-pneumatic-cylinders-from-pvc-and-plywood/ | Shop-Made Pneumatic Cylinders From PVC And Plywood | Dan Maloney | [
"Tool Hacks"
] | [
"clamp",
"cylinder",
"fluid power",
"gland",
"jig",
"O-ring",
"piston",
"Pneumatics",
"PVC",
"Schedule 40",
"seal",
"valve"
] | You see a lot of pneumatic actuators in industrial automation, and for good reason. They’re simple, powerful, reliable, and above all, cheap. Online sources and fluid-power suppliers carry a bewildering range of actuators, so why would anyone bother to
make their own pneumatic cylinders
? Because while the commercial s... | 26 | 10 | [
{
"comment_id": "5033179",
"author": "Daren Schwenke",
"timestamp": "2018-09-12T02:23:47",
"content": "Substitute polycarbonate for plywood, and this was the barrel advance cylinder I used on a “potato chaingun” I attempted about 18 years ago. :) That was really heavy, and a failure, but this part ... | 1,760,374,224.970012 | ||
https://hackaday.com/2018/09/11/automagic-tool-makes-kicad-schematic-symbols-from-pdfs/ | Automagic Tool Makes KiCAD Schematic Symbols From PDFs | Kerry Scharfglass | [
"Misc Hacks",
"Parts"
] | [
"automation",
"electronics",
"KiCAD",
"part creation",
"Schematic Capture",
"schematic symbol"
] | Last time we talked about a KiCAD tool it was to describe a way to make the zen-like task of manual assembly more convenient. But what about that most onerous of EE CAD tasks, part creation? Home makers probably don’t have access to expensive part library subscriptions or teams of people to create parts for them, so th... | 28 | 16 | [
{
"comment_id": "5030977",
"author": "JWhitten",
"timestamp": "2018-09-11T08:36:40",
"content": "OH. I suppose you think you’re pretty clever, eh?(Well, you are)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5031096",
"author": "yetihehe",
"... | 1,760,374,225.090824 | ||
https://hackaday.com/2018/09/10/better-than-original-pong-using-arduino/ | Better Than Original Pong Using Arduino | Inderpreet Singh | [
"Misc Hacks"
] | [
"arcade",
"ATmega 328",
"composite",
"pong",
"television",
"video game"
] | Games like Pong are legendary, not only in the sense that they are classic hours fun but also that they have a great potential for makers in stretching their learning legs. In an attempt at recreating the original paddle games like Pong and Tennis etc, [Grant Searle] has gone into the depths of
emulating the AY-2-8500 ... | 13 | 8 | [
{
"comment_id": "5030265",
"author": "cyberteque",
"timestamp": "2018-09-11T06:53:42",
"content": "the original arcade Pong was done in TTL, one big, larger than A3, board.anything AY-x-yyyy is worthwhile, there was a cool tank game, a multi game chip with light pen (gun) input, a brilliant “complex... | 1,760,374,225.021213 | ||
https://hackaday.com/2018/09/10/no-signal-for-your-radio-controlled-watch-just-make-your-own-transmitter/ | No Signal For Your Radio-Controlled Watch? Just Make Your Own Transmitter | Ben James | [
"Radio Hacks",
"Raspberry Pi"
] | [
"3d printing",
"atomic",
"dcf77",
"JJY",
"MSF",
"radio",
"raspberry pi",
"txtempus",
"watch",
"wwvb"
] | You can win any argument about the time when you have a radio controlled watch. Or, at least, you can if there’s any signal. [Henner Zeller] lives in a place where there is no reception of the DCF77 signal that his European wristwatch expects to receive. Consequently, he decided to
make his own tiny transmitter
, which... | 37 | 9 | [
{
"comment_id": "5028040",
"author": "JERRY",
"timestamp": "2018-09-11T02:51:03",
"content": "I was fascinated by this hack although I don’t own any of those watches so I did some googling and have come across this site:http://jrcomputing.com.au/Set_Watch/Set_Watch_Manual.htmlHe just uses javascript... | 1,760,374,224.903677 | ||
https://hackaday.com/2018/09/10/a-no-fuss-rack-of-ham/ | A No-Fuss Rack Of Ham | Lewin Day | [
"Radio Hacks"
] | [
"go bag",
"go box",
"ham",
"ham radio",
"radio"
] | With any hobby, it’s easy for things to get out of hand. Equipment can get scattered around the house, chargers lost in the car while cables languish in the shed… but it doesn’t have to be this way. With a go-bag or go-box, everything required is kept together in a ready-to-go condition. Heading out for a day of filmin... | 9 | 4 | [
{
"comment_id": "5029173",
"author": "Alan Campbell",
"timestamp": "2018-09-11T04:42:34",
"content": "I look at that case, and I think: Esky.https://en.wikipedia.org/wiki/Eskyassorted models at:https://www.bunnings.com.au/our-range/brands/e/esky",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,225.133523 |
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