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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/11/21/dads-custom-xbox-adaptive-controller-build-for-his-child/ | Dad’s Custom Xbox Adaptive Controller Build For His Child | Drew Littrell | [
"Games"
] | [
"access controller",
"accessibility",
"controller mod",
"videogames"
] | When Microsoft announced the Xbox adaptive controller earlier this year, many were pleasantly surprised at how
adaptive
it truly was. The controller features 3.5mm jacks for easily connecting any external input device and sports an impressive build quality given its price tag, but the most impressive part was the fact ... | 3 | 3 | [
{
"comment_id": "5494086",
"author": "ctag",
"timestamp": "2018-11-21T20:08:43",
"content": "That is awesome! Nice use of pretty low-cost materials.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5494426",
"author": "Wretch",
"timestamp": "2018-11-21T2... | 1,760,374,138.751897 | ||
https://hackaday.com/2018/11/21/supercon-alex-hornsteins-adventures-in-hacking-the-lightfield/ | Supercon: Alex Hornstein’s Adventures In Hacking The Lightfield | Jenny List | [
"digital cameras hacks"
] | [
"2018 Hackaday Superconference",
"3d display",
"hologram",
"light field"
] | We are all familiar with the idea of a hologram, either from the monochromatic laser holographic images you’ll find on your bank card or from fictional depictions such as Princes Leia’s distress message from
Star Wars
. And we’ve probably read about how the laser holograms work with a split beam of coherent light recom... | 21 | 9 | [
{
"comment_id": "5493864",
"author": "T.E.",
"timestamp": "2018-11-21T19:05:25",
"content": "This guy is a fantastic speaker with very interesting technology.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5494378",
"author": "Truth",
"timest... | 1,760,374,138.912576 | ||
https://hackaday.com/2018/11/21/neo-geo-mini-gets-the-ben-heck-portable-treatment/ | Neo Geo Mini Gets The Ben Heck Portable Treatment | Drew Littrell | [
"Games"
] | [
"hardware hack",
"neo geo",
"portable game system",
"videogames"
] | It feels like that Neo Geo Mini kinda came and went. All the hype surrounding the idea of having a tiny usable arcade machine melted away when the original system’s fans first touched the “non-clicky” joystick. While it was encouraging to see the inclusion USB-C power, there was no internal battery to allow players to ... | 10 | 9 | [
{
"comment_id": "5493220",
"author": "Alex Rossie",
"timestamp": "2018-11-21T16:49:24",
"content": "It was already portable just with a shit form factor. Best bit is fixing the button positions.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5493323",
"aut... | 1,760,374,138.708934 | ||
https://hackaday.com/2018/11/20/gorgeous-bartop-arcade-build-is-a-cut-above/ | Gorgeous Bartop Arcade Build Is A Cut Above | Tom Nardi | [
"classic hacks",
"Games",
"laptops hacks"
] | [
"arcade",
"butcher block",
"ikea",
"laptop",
"varnish",
"woodworking"
] | At this point we’ve seen a good number of desktop-sized arcade cabinets, and while they’ve naturally all been impressive in their own ways, they do tend to follow a pretty familiar formula. Cut the side panels out of MDF (or just buy a frame kit), stick a Raspberry Pi and an old LCD monitor in there, and then figure ou... | 11 | 5 | [
{
"comment_id": "5485803",
"author": "Augie5",
"timestamp": "2018-11-20T19:42:06",
"content": "Bamboo is a sustainable grass so no trees were harmed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5486374",
"author": "uxorious4ever",
"timesta... | 1,760,374,138.805015 | ||
https://hackaday.com/2018/11/20/the-linux-throwie-a-non-spacefaring-satellite/ | The Linux Throwie: A Non-Spacefaring Satellite | Sean Boyce | [
"Hackaday Columns",
"Network Hacks",
"Original Art",
"Raspberry Pi",
"Skills",
"Slider",
"Solar Hacks",
"Wireless Hacks"
] | [
"Embedded Linux",
"mqtt",
"Raspberry Pi 3 B+",
"solar",
"ssh",
"wi-fi"
] | Throwies occupy a special place in hardware culture — a coin cell battery, LED, and a magnet that can be thrown into an inaccessible place and stick there as a little beacon of colored light. Many of us will fondly remember this as a first project. Alas, time marches inevitably on, and launching cheerful lights no long... | 42 | 10 | [
{
"comment_id": "5485457",
"author": "Wibble",
"timestamp": "2018-11-20T18:18:13",
"content": "Why? It’s near enough to habitation that it can connect to Wifi (which has a range of <100m for a standard ESP8266) , but for some reason you want/need this thing to be self powered, and outside. And to on... | 1,760,374,139.002822 | ||
https://hackaday.com/2018/11/20/rapid-fire-hail-of-chopstick-arrows-makes-short-work-of-diminutive-foes/ | Rapid-Fire Hail Of Chopstick Arrows Makes Short Work Of Diminutive Foes | Jenny List | [
"Weapons Hacks"
] | [
"arrow",
"mouse trap",
"rubber band"
] | Many Hackaday readers may also be familiar with the
Discworld
series of fantasy novels from [Terry Pratchett], and thus might recognise a weapon referred to as the Piecemaker. A siege crossbow modified to launch a hail of supersonic arrows, it was the favoured sidearm of a troll police officer, and would frequently app... | 9 | 8 | [
{
"comment_id": "5485150",
"author": "djsmiley2k",
"timestamp": "2018-11-20T16:37:50",
"content": "It actually fired a bundle of arrows all tied together, it just so happened during their short time experiencing weightlessness that they’d take on the attribute of being on fire causing them to explod... | 1,760,374,138.851345 | ||
https://hackaday.com/2018/11/20/flagging-down-aliens-with-worlds-biggest-laser-pointer/ | Flagging Down Aliens With World’s Biggest Laser Pointer | Tom Nardi | [
"Engineering",
"Featured",
"Laser Hacks",
"Slider",
"Space"
] | [
"communication",
"deep space",
"interstellar",
"laser",
"optics",
"SETI",
"telescope",
"YAL-1"
] | As you’re no doubt aware, humans are a rather noisy species. Not just audibly, like in the case of somebody talking loudly when you’re in a movie theater, but also electromagnetically. All of our wireless transmissions since Marconi made his first spark gap broadcast in 1895 have radiated out into space, and anyone who... | 86 | 20 | [
{
"comment_id": "5484933",
"author": "Noagels",
"timestamp": "2018-11-20T15:34:34",
"content": "Wouldn’t the beam become very weak again if it is intentionally left out of focus?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5485327",
"author": "jim... | 1,760,374,139.292147 | ||
https://hackaday.com/2018/11/20/ben-krasnow-gasses-mems-chips-for-science/ | [Ben Krasnow] Gasses MEMS Chips, For Science | Dan Maloney | [
"iphone hacks",
"Slider",
"Teardown"
] | [
"electron",
"helium",
"iphone",
"MEMS",
"mri",
"oscillator",
"SiT1532"
] | Why in the world does helium kill iPhones and other members of the Apple ecosystem? Enquiring minds want to know, and [Ben Krasnow] has obliged with
an investigation of the culprit: the MEMS oscillator
. (YouTube, embedded below.)
When we first heard about this, courtesy in part via
a Hackaday post on MRI-killed iPhone... | 61 | 13 | [
{
"comment_id": "5484305",
"author": "AKA the A",
"timestamp": "2018-11-20T12:16:14",
"content": "It would be nice if someone compiled a list of electronics using MEMS oscillators that are susceptible to helium poisoning.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,374,139.166179 | ||
https://hackaday.com/2018/11/20/the-electric-imp-sniffs-out-california-wildfires/ | The Electric Imp Sniffs Out California Wildfires | Tom Nardi | [
"green hacks",
"Laser Hacks",
"Microcontrollers"
] | [
"air quality",
"Electric Imp",
"environmental monitoring",
"laser",
"pollution",
"slack",
"webhook"
] | The wildfires in California are now officially the largest the state has ever seen. Over 50,000 people have been displaced from their homes, hundreds are missing, and the cost in property damage will surely be measured in the billions of dollars when all is said and done. With a disaster of this scale just the immediat... | 13 | 5 | [
{
"comment_id": "5483488",
"author": "deshipu",
"timestamp": "2018-11-20T09:19:31",
"content": "Can you please have your house burned somewhere else? I’m trying to disrupt the market here!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5484150",
"aut... | 1,760,374,139.346796 | ||
https://hackaday.com/2018/11/19/diy-mini-helical-antennas-from-salvaged-co-ax-cable/ | DIY Mini Helical Antennas From Salvaged Co-ax Cable | Donald Papp | [
"Wireless Hacks"
] | [
"898 MHz",
"antenna",
"Coax",
"diy",
"europe",
"IoT",
"ISM band",
"LoRa",
"wireless"
] | [Mare] has a visual guide and simple instructions for
making DIY mini helical 868 MHz antennas
for LoRa applications. 868 MHz is a license-free band in Europe, and this method yields a perfectly serviceable antenna that’s useful where space is constrained.
A metric 5 mm drill bit makes a convenient core.
The process is... | 24 | 11 | [
{
"comment_id": "5482935",
"author": "deralchemist",
"timestamp": "2018-11-20T06:52:32",
"content": "Can someone explain why a helical antenna is in this case better than a straight antenna? Are there disadvantages to use a helical antenna?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,139.068993 | ||
https://hackaday.com/2018/11/19/a-candle-powered-guitar-pedal/ | A Candle Powered Guitar Pedal | Rich Hawkes | [
"Musical Hacks"
] | [
"guitar effects",
"guitar pedal",
"stirling engine",
"zvex"
] | When it comes to guitar effects pedals, the industry looks both back and forward in time. Back to the 50’s and 60’s when vacuum tubes and germanium transistors started to define the sound of the modern guitar, and forward as the expense and rarity of parts from decades ago becomes too expensive, to digital reproduction... | 4 | 4 | [
{
"comment_id": "5483101",
"author": "ozon",
"timestamp": "2018-11-20T07:22:02",
"content": "nice~!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5484242",
"author": "mrehorst",
"timestamp": "2018-11-20T11:56:23",
"content": "Nice build! So many ... | 1,760,374,139.385763 | ||
https://hackaday.com/2018/11/19/a-hacked-solution-for-non-standard-audio-modules/ | A Hacked Solution For Non-Standard Audio Modules | Dan Maloney | [
"Parts"
] | [
"audio",
"breakout",
"card edge",
"header",
"playback",
"record"
] | When life hands you lemons, lemonade ends up being your drink of choice. When life hands you non-standard components, however, you’ve got little choice but to
create your own standard
to use them. Drinking lemonade in such a situation is left to your discretion.
The little audio record and playback modules [Fran Blanch... | 22 | 10 | [
{
"comment_id": "5481458",
"author": "MakerBlock",
"timestamp": "2018-11-20T00:33:33",
"content": "I bought these exact modules and had the same problem! Thank you for sharing!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5481473",
"author": "RandyKC"... | 1,760,374,139.534811 | ||
https://hackaday.com/2018/11/19/a-3d-printed-kinematic-camera-mount/ | A 3D Printed Kinematic Camera Mount | Tom Nardi | [
"digital cameras hacks",
"Parts"
] | [
"camera",
"kinematic coupling",
"Maxwell",
"mount",
"tripod"
] | [Enginoor] is on a quest. He wants to get into the world of 3D printing, but isn’t content to run off little toys and trinkets. If he’s going to print something, he wants it to be something practical and ideally be something he couldn’t have made quickly and easily with more traditional methods. Accordingly, he’s come ... | 15 | 6 | [
{
"comment_id": "5480550",
"author": "Tsunamijuan",
"timestamp": "2018-11-19T21:11:23",
"content": "Man i just don’t trust magnets to couple my camera bodies and expensive lenses to stuff. The idea of loosing a 2000$+ lens cause a magnet failed, or got knocked just enough to dismount it just doesn’t... | 1,760,374,139.818357 | ||
https://hackaday.com/2018/11/19/many-ways-to-drive-a-small-motor/ | Many Ways To Drive A Small Motor | Kerry Scharfglass | [
"hardware",
"Parts"
] | [
"app note",
"erm",
"lra",
"pager motor",
"vibration motor"
] | Tiny motors used for haptic feedback and vibration come in a variety of shapes and sizes. The most familiar is the “eccentric rotating mass” (ERM) variety which just spins an imbalanced weight on a small motor and comes packaged in two form factors. The classic is the pager “pager motor” which just looks like a tiny, a... | 17 | 7 | [
{
"comment_id": "5479995",
"author": "Ostracus",
"timestamp": "2018-11-19T20:06:43",
"content": "Piezo actuators:http://www.ti.com/lit/an/slyt483/slyt483.pdf",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5480376",
"author": "Alex",
"timestamp": "2018-... | 1,760,374,139.766106 | ||
https://hackaday.com/2018/11/19/of-roach-killer-and-rust-remover-sam-zeloofs-garage-made-chips/ | Of Roach Killer And Rust Remover: Sam Zeloof’s Garage-Made Chips | Dan Maloney | [
"cons",
"Hackaday Columns",
"hardware",
"Slider"
] | [
"2018 Hackaday Superconference",
"deposition",
"etching",
"fab lab",
"integrated circuit",
"MOS",
"photolithography",
"silicon",
"thin film"
] | A normal life in hacking, if there is such a thing, seems to follow a predictable trajectory, at least in terms of the physical space it occupies. We generally start small, working on a few simple projects on the kitchen table, or if we start young enough, perhaps on a desk in our childhood bedroom. Time passes, our sk... | 28 | 14 | [
{
"comment_id": "5479243",
"author": "perry",
"timestamp": "2018-11-19T18:29:41",
"content": "Me. I think this is like building a nuclear reactor in your Garage.Great job Sam.And as for the high school’s administration, they should get there heads out of the sand.Putting it nicely.",
"parent_id"... | 1,760,374,139.608644 | ||
https://hackaday.com/2018/11/19/nes-hack-lets-the-mario-bros-play-together/ | NES Hack Lets The Mario Bros. Play Together | Drew Littrell | [
"Nintendo Hacks"
] | [
"NES hack",
"Nintendo Entertainment System",
"videogames"
] | Being relegated to player two used to be a mark of disgrace in the 8-bit era of videogames. Between never being to select a level and having to wait your turn to play, the second player experience was decidedly third rate. Super Mario Bros. on the Nintendo Entertainment System was no different in this regard as it offe... | 21 | 9 | [
{
"comment_id": "5479001",
"author": "Size Notes",
"timestamp": "2018-11-19T17:46:02",
"content": "Wow! Looks cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5479020",
"author": "unzip",
"timestamp": "2018-11-19T17:50:36",
"content": "I’ll jus... | 1,760,374,139.966672 | ||
https://hackaday.com/2018/11/19/how-the-xbox-was-hacked/ | How The Xbox Was Hacked | Drew Littrell | [
"Featured",
"Games",
"Interest",
"Slider",
"Xbox Hacks"
] | [
"hardware hacking",
"history",
"videogames",
"xbox",
"xbox hack"
] | The
millennium
: a term that few had any use for before 1999, yet seemingly overnight it was everywhere. The turning of the millenium permeated every facet of pop culture. Unconventional popstars like Moby supplied electronica to the mainstream airwaves while audiences contemplated whether computers were the true enemy... | 38 | 18 | [
{
"comment_id": "5478274",
"author": "Ostracus",
"timestamp": "2018-11-19T15:35:43",
"content": "“The grand irony was that Microsoft’s original plan for the Xbox to be a PC in the living room was fully realized…it just ran Linux.”1999 is the year of Living Room Linux. :-D",
"parent_id": null,
... | 1,760,374,140.163513 | ||
https://hackaday.com/2018/11/18/self-powered-sun-tracker-takes-a-cue-from-nasa-solar-probe/ | Self-Powered Sun Tracker Takes A Cue From NASA Solar Probe | Dan Maloney | [
"Solar Hacks"
] | [
"feedback",
"photovoltaic",
"pv",
"solar array",
"solar tracking",
"sun tracker",
"tracker"
] | Getting a solar array to track the sun has always been an interesting problem, and it has led to some complicated solutions. Controllers that use GPS and servos seem to be much in favor these days, but as
this NASA-inspired sun tracker
shows, the task needn’t be overly complex.
It’s pretty obvious from the video below ... | 32 | 18 | [
{
"comment_id": "5473507",
"author": "Captain",
"timestamp": "2018-11-18T15:28:08",
"content": "Just add another panel on the back of the “turn east” panel pointing the opposite way i.e., backwards and wired into the circuit in the “turn to the east side”. That way the backwards panel will “see” th... | 1,760,374,140.377743 | ||
https://hackaday.com/2018/11/18/linux-as-a-library-unikernels-are-coming/ | Linux As A Library: Unikernels Are Coming | Al Williams | [
"Linux Hacks",
"News"
] | [
"linux",
"redhat",
"unikernel"
] | If you think about it, an operating system kernel is really just a very powerful shared library that offers services to many programs. Of course, it is a very powerful library, but still — its main purpose is to provide services to programs. Your program probably doesn’t use all of the myriad services the kernel provid... | 47 | 16 | [
{
"comment_id": "5473114",
"author": "lis0r",
"timestamp": "2018-11-18T12:26:15",
"content": "Nice idea, but it won’t catch on due to anything statically linked with the kernel automatically inheriting the GPL.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,140.252887 | ||
https://hackaday.com/2018/11/18/a-1940s-gangster-mobile-gets-an-electric-makeover/ | A 1940s Gangster-Mobile Gets An Electric Makeover | Dan Maloney | [
"classic hacks",
"Transportation Hacks"
] | [
"car",
"classic",
"conversion",
"electric vehicle",
"ev",
"hot rod",
"tesla"
] | When referring to classic cars, there’s a good reason that “they don’t make ’em like that anymore.” Old cars represented the limits of what could be done in terms of materials and manufacturing methods coupled with the styles of the time and cheap fuel. The result was big, heavy cars that would cost a fortune in gas to... | 73 | 19 | [
{
"comment_id": "5472339",
"author": "Moryc",
"timestamp": "2018-11-18T09:26:11",
"content": "And what they did with original parts? Threw them out or preserved as spares for people who would rather keep such a machine as genuine as possible?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,140.079533 | ||
https://hackaday.com/2018/11/17/cnc-embroidery-machine-punches-out-designs-a-stitch-at-a-time/ | CNC Embroidery Machine Punches Out Designs A Stitch At A Time | Dan Maloney | [
"cnc hacks"
] | [
"cnc",
"embroidery",
"g-code",
"grbl",
"needle",
"sewing",
"stitch",
"thread",
"threadcraft"
] | It’s doubtful that the early pioneers of CNC would have been able to imagine the range of the applications the technology would be used for. Once limited to cutting metal, CNC machines can now lance through materials using lasers and high-pressure jets of water, squirt molten plastic to build up 3D objects, and
apparen... | 19 | 9 | [
{
"comment_id": "5471922",
"author": "unlimitedbacon",
"timestamp": "2018-11-18T07:57:13",
"content": "“It’s doubtful that the early pioneers of CNC would have been able to imagine the range of the applications the technology would be used for.”Programming looms was literally the first use of punch ... | 1,760,374,140.308921 | ||
https://hackaday.com/2018/11/17/restoring-an-apollo-guidance-computer/ | Restoring An Apollo Guidance Computer | Richard Baguley | [
"News"
] | [
"apollo",
"Apollo AGC",
"restoration"
] | The Apollo Guidance Computer is a remarkably important piece of computing history. It’s the computer that guided the Apollo lander to land on the moon. We’ve seen a few replica builds over the years, but [CuriousMarc] got a
closer look at one of the real things
. In this video, [Marc] gets a look inside as his colleagu... | 7 | 6 | [
{
"comment_id": "5471335",
"author": "Cuthbert",
"timestamp": "2018-11-18T03:33:26",
"content": "Wonderful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5471362",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-11-18T03:41:10",
"content": "Sadly... | 1,760,374,140.421272 | ||
https://hackaday.com/2018/11/17/generative-design-algorithms-prepare-for-space/ | Generative Design Algorithms Prepare For Space | Roger Cheng | [
"3d Printer hacks",
"Space"
] | [
"autodesk",
"Autodesk Fusion 360",
"Fusion 360",
"fusion360",
"generative design",
"Jet Propulsion Laboratory",
"nasa",
"optimization",
"topology"
] | NASA is famously risk-averse, taking cautious approaches because billions of taxpayer dollars are at stake and each failure receives far more political attention than their many successes. So while moving the final frontier outward requires adopting new ideas, those ideas must first prove themselves through a lengthy p... | 14 | 7 | [
{
"comment_id": "5470902",
"author": "Ostracus",
"timestamp": "2018-11-18T00:07:58",
"content": "“NASA is famously risk-averse, taking cautious approaches because billions of taxpayer dollars are at stake and each failure receives far more political attention than their many successes. ”And people d... | 1,760,374,140.538986 | ||
https://hackaday.com/2018/11/17/meat-seeking-raspberry-pi-leads-you-to-flavortown/ | Meat-Seeking Raspberry Pi Leads You To Flavortown | Tom Nardi | [
"gps hacks",
"Raspberry Pi"
] | [
"geolocation",
"gps",
"lcd",
"python",
"reverse geocache"
] | [Patrick McDavid] and his wife had a legitimate work-related reason for writing some Python code that would pull the exact latitude and longitude of the individual locations within a national retain chain from Google’s Geocoding API. But don’t worry about that part of the story. What’s important now is that this simple... | 15 | 10 | [
{
"comment_id": "5470509",
"author": "asdfdddd",
"timestamp": "2018-11-17T21:31:16",
"content": "Does it handle true north/longitude/elevation problem transforms?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5470544",
"author": "TL",
"timestamp": "20... | 1,760,374,140.59634 | ||
https://hackaday.com/2018/11/19/it-might-be-possible-to-build-a-stingray-with-a-raspberry-pi/ | It Might Be Possible To Build A Stingray With A Raspberry Pi | Brian Benchoff | [
"Raspberry Pi",
"Security Hacks"
] | [
"IMSI",
"motherboard",
"raspberry pi",
"RTL-SDR"
] | If there’s one thing that’s making you insecure, it’s your smartphone. Your smartphone is constantly pinging the cell towers, giving out your location and potentially leaking your private information to anyone with a radio. This is the idea behind an IMSI catcher, or Stingray in common parlance, and now
you too can bui... | 32 | 11 | [
{
"comment_id": "5476799",
"author": "iliketortles",
"timestamp": "2018-11-19T12:08:20",
"content": "It might be possible to build a RetroArch machine with a raspberry pi",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5476804",
"author": "djsmiley2k",
... | 1,760,374,140.490547 | ||
https://hackaday.com/2018/11/19/flywire-circuits-at-the-next-level/ | Flywire Circuits At The Next Level | Kerry Scharfglass | [
"Art",
"hardware"
] | [
"art",
"brass rod",
"deadbug",
"deadbugging",
"flyfire",
"led",
"lighting",
"robot",
"sculpture",
"wire bending"
] | The technique of assembling circuits without substrate goes by many names; you may know it as flywiring, deadbugging, point to point wiring, or freeform circuits. Sometimes this technique is used for practical purposes like fixing design errors post-production or escaping
tiny BGA components (ok, that one might be more... | 40 | 17 | [
{
"comment_id": "5476247",
"author": "bat",
"timestamp": "2018-11-19T09:09:14",
"content": "this is steampunk electronics – i love it",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5478281",
"author": "Ostracus",
"timestamp": "2018-11-19T15:3... | 1,760,374,140.683175 | ||
https://hackaday.com/2018/11/18/fail-of-the-week-when-the-epoxy-coated-chip-is-conductive/ | Fail Of The Week: When The Epoxy-Coated Chip Is Conductive | Brian Benchoff | [
"Hackaday Columns",
"hardware"
] | [
"fail of the week",
"package",
"qfn",
"traces"
] | Every once in a while, you’ll find some weirdness that will send your head spinning. Most of the time you’ll chalk it up to a bad solder joint, some bad code, or just your own failings. This time it’s different. This is a story of weirdness that’s due entirely to a pin that shouldn’t be there.
This is a package for an ... | 50 | 25 | [
{
"comment_id": "5475827",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-11-19T06:06:11",
"content": "Annoying! Thankfully someone found this problem.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5475865",
"author": "imroy264",
"timestamp": "2018-... | 1,760,374,140.933118 | ||
https://hackaday.com/2018/11/18/the-lost-art-of-steam-heating/ | The Lost Art Of Steam Heating | Maya Posch | [
"home hacks",
"Misc Hacks"
] | [
"hvac",
"steam",
"steam heating"
] | We got pointed by [packrat] to a 2015 presentation by [Dan Holohan] on
the history and art of steam heating systems
. At the advent of
central heating systems for entire buildings
, steam was used instead of water or air for the transport medium. These systems were installed in landmark buildings including the Empire S... | 51 | 14 | [
{
"comment_id": "5475446",
"author": "Patrick Cassidy",
"timestamp": "2018-11-19T03:23:52",
"content": "The only thing boiler rooms were good for was creating explosions making it easier for rogue nations, namely the United States, to make assassinations look like an accident. This is why I only us... | 1,760,374,141.020704 | ||
https://hackaday.com/2018/11/18/hackaday-links-november-18-2018/ | Hackaday Links: November 18, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"alexa",
"crowdfunding",
"electron-beam lithography",
"etcher",
"laser"
] | The greatest bit of consumer electronics is shipping and the reviews are out:
Amazon’s Alexa-enabled microwave
is a capable microwave, but befuddling to the voice-controlled-everything neophyte. Voice controlled
everything
is the last hope we have for technological innovation; it’s the last gasp of the consumer electro... | 18 | 7 | [
{
"comment_id": "5474639",
"author": "Ostracus",
"timestamp": "2018-11-19T00:09:20",
"content": "“This is Amazon’s first thing with a built-in voice assistant, and while this is a marginally capable microwave at only 700 Watts — fine for a college dorm, but it’s generally worth shelling out a bit mo... | 1,760,374,141.078629 | ||
https://hackaday.com/2018/11/18/fail-of-the-week-laser-based-persistence-of-vision-gadget/ | Fail Of The Week: Laser-based Persistence Of Vision Gadget | Donald Papp | [
"hardware",
"Laser Hacks"
] | [] | [XTronical]’s idea for
a laser-based persistence of vision gadget
failed, but the basic idea seemed sound. A row of inexpensive red lasers shine into a spinning mirror and are reflected onto a distant surface, making 8 scan lines. A reflective object sensor detects mirror position, and by rapidly turning individual las... | 37 | 10 | [
{
"comment_id": "5474174",
"author": "Dean Vega",
"timestamp": "2018-11-18T21:23:49",
"content": "It would have been easier to pull the laser head out of an HP LaserJet printer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5474526",
"author": "Paul... | 1,760,374,141.252699 | ||
https://hackaday.com/2018/11/18/the-uv-writings-on-the-wall/ | The (UV) Writing’s On The Wall | Jenny List | [
"Art"
] | [
"artwork",
"electromagnetic field",
"Electromagnetic Field 2018",
"led",
"UV LED"
] | [Michael Karliner]’s Belshazzar, named for the Biblical character upon whose wall the writing appeared, is
a unique light painting machine
, that tracks an array of UV LEDs across a glow-in-the-dark background to paint transient dot-matrix letters in light. It was one of many
cyberpunk-themed art pieces
in Null Sector ... | 15 | 6 | [
{
"comment_id": "5473880",
"author": "Andy Pugh",
"timestamp": "2018-11-18T18:36:06",
"content": "The higher dynamic range of the Mk1 Human Eyeball means that the display is rather more effective in RL than on video.To the extent that the full line of text was visible when the write was finished.",
... | 1,760,374,141.17823 | ||
https://hackaday.com/2018/11/17/vintage-rotary-phone-turned-virtual-assistant/ | Vintage Rotary Phone Turned Virtual Assistant | Tom Nardi | [
"classic hacks",
"Phone Hacks",
"Raspberry Pi"
] | [
"home automation",
"python",
"rotary phone",
"SIP",
"voice control"
] | Like many of us, [Zoltan Toth-Czifra] has completely embraced 21st century living. His home is awash in smart gadgets and dodads, from color changing light bulbs to Internet-connected cameras. But he’s also got a soft spot for the look and feel of vintage hardware, like the rotary phone he keeps kicking around to remin... | 7 | 4 | [
{
"comment_id": "5469868",
"author": "Pez",
"timestamp": "2018-11-17T19:16:26",
"content": "Nice .. except for the soldering ;) .. oy ..I love the phone .. similar to a WE500, but with some tweaks to the styling.Amazing how nearly perfect the WE500 design was. I’m thinking I should put one on my des... | 1,760,374,141.124029 | ||
https://hackaday.com/2018/11/17/snes-controller-has-a-pi-zero-in-the-trunk/ | SNES Controller Has A Pi Zero In The Trunk | Tom Nardi | [
"classic hacks",
"Nintendo Hacks",
"Raspberry Pi"
] | [
"controller",
"emulator",
"pi zero",
"retro gaming",
"snes"
] | We’re no stranger to seeing people jam a Raspberry Pi into an old gaming console to turn it into a RetroPie system. Frankly, at this point it seems like we’ve got to be getting close to seeing all possible permutations of the concept. According to the bingo card we keep here at Hackaday HQ we’re just waiting for somebo... | 7 | 2 | [
{
"comment_id": "5468552",
"author": "jensma.de (@jensma_de)",
"timestamp": "2018-11-17T15:40:48",
"content": "gee-whiz, another “stick a pi in a case and call it a hack”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5468561",
"author": "olsen",
... | 1,760,374,141.303219 | ||
https://hackaday.com/2018/11/17/high-voltage-measurement-is-shockingly-safe/ | High Voltage Measurement Is Shockingly Safe | Bryan Cockfield | [
"Tool Hacks"
] | [
"high voltage",
"Isolation",
"mains power",
"oscilloscope",
"perfboard",
"ti"
] | With the right equipment and training, it’s possible to safely work on energized power lines in the 500 kV range with bare hands. Most of us, though, don’t have the right equipment or training, and should take great care when working with any appreciable amount of voltage. If you want to safely measure even the voltage... | 9 | 1 | [
{
"comment_id": "5468487",
"author": "DainBramage",
"timestamp": "2018-11-17T14:48:20",
"content": "My biggest concern would be the use of perfboard with it’s limited spacing between copper pads. Probably not an issue at 120 – 240 volts, but I would still be concerned about it. Removing the unused p... | 1,760,374,141.40975 | ||
https://hackaday.com/2018/11/17/a-sneak-peek-at-anechoic-chamber-testing/ | A Sneak Peek At Anechoic Chamber Testing | Tom Nardi | [
"hardware",
"Radio Hacks"
] | [
"antenna analyzer",
"echo",
"faraday cage",
"Isolation",
"testing",
"vector network analyzer"
] | [Mathieu Stephan] has something new in the works, and while he isn’t ready to take the wraps off of it yet, he was kind enough to document his experience
putting the mysterious new gadget through its paces inside an anechoic chamber
. Considering the majority of us will never get inside of one of these rooms, much less... | 23 | 11 | [
{
"comment_id": "5468078",
"author": "Mike Massen",
"timestamp": "2018-11-17T11:11:57",
"content": "Fwiw. Here is a chamber in Perth, Western Australia built circa 2000, I arranged 50% state government funding (WAISS program) for it late 1999 run by a fellow graduate Roman, one or two years ahead of... | 1,760,374,141.364027 | ||
https://hackaday.com/2018/11/16/etch-your-own-circuit-boards-in-your-kitchen/ | Etch Your Own Circuit Boards In Your Kitchen | Brian Benchoff | [
"chemistry hacks"
] | [
"etching",
"etching PCBs",
"pcb"
] | Right now, you can design a PCB, send it off to a PCB fab, and get professional finished boards in a few days for less than a dollar per square inch. This is fantastic, and it’s the driving force behind ever-dropping costs of hardware development. That’s great and all, but you can make circuit boards at home, easily, a... | 43 | 12 | [
{
"comment_id": "5467554",
"author": "Yann Guidon / YGDES",
"timestamp": "2018-11-17T06:17:41",
"content": "I have recently discovered that the toner ink can be transferred chemically, with “nail polish solvent” and basic glossy paper… but I have become lazy these last years so I doubt I’ll try.",
... | 1,760,374,141.490938 | ||
https://hackaday.com/2018/11/16/analog-clock-goes-digital-or-vice-versa/ | Analog Clock Goes Digital, Or Vice Versa | Bryan Cockfield | [
"clock hacks"
] | [
"analog",
"clock",
"digital",
"led",
"Nucleo",
"ring",
"ST32F103",
"stm"
] | Designing a good clock takes a lot of considerations. It’s not just hands, faces, and numbers anymore; there are also word clocks, electronic clocks, marble clocks, or water clocks, and just about anything else imaginable can be used to tell time. Of course, electronic clocks are great for their versatility, and this o... | 12 | 3 | [
{
"comment_id": "5467530",
"author": "RÖB",
"timestamp": "2018-11-17T06:04:15",
"content": "The STM32F103 seems like a bit of overkill for this. Perhaps he chose it for the inbuilt RTC.I made something similar but I used an ATmega and a TXCO RTC (DS3231). Mine had buttons to set the time and I was u... | 1,760,374,141.622427 | ||
https://hackaday.com/2018/11/16/expanding-3d-printer-bed-stays-true-under-fire/ | Expanding 3D Printer Bed Stays True Under Fire | Sonya Vasquez | [
"3d Printer hacks"
] | [
"3d printer",
"kinematic coupling",
"kinematic mount",
"machine design",
"thermal expansion"
] | It’s hard to pass up another lesson in good machine design brought to us by [Mark Rehorst]. This time, [Mark]
combats the relentless forces of
bed deformation due to thermal expansion
.
Did you think your printer stayed the same size when it heated up? Well, think again! According to [Mark’s] calculations, when heated,... | 9 | 5 | [
{
"comment_id": "5467439",
"author": "TGT",
"timestamp": "2018-11-17T04:50:08",
"content": "It’s always interesting to watch the masking tape on the bed which is all wrinkled while cold go right back to being perfectly flat when the machine reaches its target temperature.",
"parent_id": null,
... | 1,760,374,141.849917 | ||
https://hackaday.com/2018/11/15/hows-a-gyro-work/ | How’s A Gyro Work? | Al Williams | [
"Science"
] | [
"gyroscope",
"MEMS"
] | It wasn’t long ago that a gyro — or gyroscope — was an exotic piece of electronics gear. Most of us only saw them as children’s toys that would balance on your finger. That’s changed, though, thanks to microelectronics. Now your game controller, your phone, and your drone all probably use little ICs that are actually t... | 25 | 8 | [
{
"comment_id": "5463087",
"author": "Jon H",
"timestamp": "2018-11-16T07:31:11",
"content": "It’s a cone of meat turning on a vertical spit.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5463107",
"author": "spawt",
"timestamp": "2018-11-16... | 1,760,374,142.126479 | ||
https://hackaday.com/2018/11/15/magnets-and-printed-parts-make-quick-disconnect-terminals/ | Magnets And Printed Parts Make Quick-Disconnect Terminals | Dan Maloney | [
"Misc Hacks"
] | [
"connector",
"core memory",
"Curie point",
"magnet",
"magsafe",
"neodymium",
"rope"
] | The Apple MagSafe power connector is long gone from their product line, but that doesn’t mean that magnetic connectors aren’t without their charms. It just takes the right application, and finding one might be easier with these
homebrew magnetic connectors
.
We’ll admit that the application that [Wesley Lee] found for ... | 19 | 8 | [
{
"comment_id": "5462158",
"author": "==",
"timestamp": "2018-11-16T03:15:09",
"content": "add a pogo pin to the center of magnetholemagnetic barrel jack??!?XLR MIDI BNC",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5464187",
"author": "wartoaster",... | 1,760,374,141.801321 | ||
https://hackaday.com/2018/11/15/measuring-the-cooling-effect-of-transformer-oil/ | Measuring The Cooling Effect Of Transformer Oil | Steven Dufresne | [
"chemistry hacks"
] | [
"cooling",
"heat sink",
"mineral oil",
"submerged",
"transformer oil",
"water cooling"
] | Transformer oil has long served two purposes, cooling and insulating. The large, steel encased transformers we see connected to the electrical grid are filled with transformer oil which is circulated through radiator fins for dumping heat to the surrounding air. In the hacker world, we use transformer oil for cooling R... | 36 | 9 | [
{
"comment_id": "5461501",
"author": "Ostracus",
"timestamp": "2018-11-16T00:26:24",
"content": "Imagine he says something about cost.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5464915",
"author": "Steven Naslund",
"timestamp": "2018-11-... | 1,760,374,141.925908 | ||
https://hackaday.com/2018/11/15/foam-airboat-is-cheap-rc-fun/ | Foam Airboat Is Cheap RC Fun | Lewin Day | [
"classic hacks"
] | [
"air boat",
"airboat",
"boat",
"fan boat",
"fanboat",
"radio control",
"rc"
] | Archer fans and residents of Louisiana will already be familiar with the concept of the airboat. Put a powerful engine running an aircraft prop on a flat-bottomed hull, and you’ve got an excellent way to traverse the marshes of the American South. While a fully-fledged airboat might run you the best part of $100,000,
t... | 7 | 5 | [
{
"comment_id": "5461444",
"author": "Dylan",
"timestamp": "2018-11-16T00:10:23",
"content": "Awesome project! Is there any concern with the LiPo packs getting wet/submerged? If the craft flips over in deep enough water, would there be a chance of the packs shorting out and potentially blowing up?... | 1,760,374,141.969123 | ||
https://hackaday.com/2018/11/15/researchers-seek-to-create-the-digital-smell-interface/ | Researchers Seek To Create The Digital Smell Interface | Drew Littrell | [
"News"
] | [
"biotech",
"research and development",
"research project",
"smell-o-vision"
] | We hear digital audio, we see digital video, and we feel digital haptic feedback. However, we don’t have an analog for the sense of smell. [Kasun] and his team of researchers from the Imagineering Institute in Malaysia are in the midst of changing that reality. Their project
aims to transmit fragrances via electronic s... | 18 | 12 | [
{
"comment_id": "5460603",
"author": "jerry",
"timestamp": "2018-11-15T19:48:42",
"content": "What’s that smell?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5460671",
"author": "Ostracus",
"timestamp": "2018-11-15T20:06:36",
"content": "“We hear... | 1,760,374,142.309818 | ||
https://hackaday.com/2018/11/15/an-in-depth-look-at-dexter-the-robotic-arm/ | An In-Depth Look At Dexter, The Robotic Arm | Elliot Williams | [
"cons",
"Hackaday Columns",
"Interest",
"Robots Hacks",
"The Hackaday Prize"
] | [
"baxter",
"dexter",
"encoder",
"harmonic drive",
"robot",
"winner"
] | Dexter, a really great robot arm project, just won top honors in the 2018 Hackaday Prize, and walked away with $50,000 toward continuing their project. As a hat tip to Hackaday and the community,
Haddington Dynamics
, the company behind Dexter, agreed to open-source their newest version of Dexter as well. As James Newt... | 25 | 8 | [
{
"comment_id": "5460310",
"author": "Gary",
"timestamp": "2018-11-15T18:43:54",
"content": "In before someone goes off on an “open source” project having a “proprietary binary blob”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5460805",
"author":... | 1,760,374,142.253562 | ||
https://hackaday.com/2018/11/15/adding-linux-to-a-pdp-11/ | Adding Linux To A PDP-11 | Brian Benchoff | [
"classic hacks"
] | [
"beaglebone",
"pdp",
"pdp-11",
"retrocomputing"
] | The UNIBUS architecture for DEC’s PDPs and Vaxxen was a stroke of genius. If you wanted more memory in your minicomputer, just add another card. Need a drive? Plug it into the backplane. Of course, with all those weird cards, these old UNIBUS PDPs are hard to keep running. The UniBone is the solution to this problem.
I... | 14 | 6 | [
{
"comment_id": "5460100",
"author": "Antron Argaiv",
"timestamp": "2018-11-15T17:45:49",
"content": "Nice touch with the RL02 control panel buttons :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5460398",
"author": "[skaarj]",
"timestamp": "2018-1... | 1,760,374,142.186339 | ||
https://hackaday.com/2018/11/16/the-kilogram-will-cease-to-be-a-physical-entity/ | The Kilogramme Will Cease To Be A Physical Entity | Jenny List | [
"Science"
] | [
"kilogram",
"SI",
"si units",
"standard kilogram"
] | One of the most illuminating high school courses no doubt for many readers as much as for your scribe, was the series of physics lessons during which the SI units were explained. That glorious sense of having the order of the universe unlocked into an interlocking series of units whose definitions could all be derived ... | 72 | 16 | [
{
"comment_id": "5465889",
"author": "davidelang",
"timestamp": "2018-11-16T21:11:24",
"content": "doesn’t this require that gravity be constant? and we know that gravity is not, because we have satellites up designed to measure the difference in gravity as they orbit the earth. If it’s detectable a... | 1,760,374,142.421543 | ||
https://hackaday.com/2018/11/16/diy-telepresence-robot-built-from-off-the-shelf-parts/ | DIY Telepresence Robot Built From Off-The-Shelf Parts | Lewin Day | [
"Phone Hacks",
"Robots Hacks"
] | [
"phone",
"robot",
"teleprescence"
] | Petite, but it does the job. Note the huge LED headlight in the center.
Telepresence hasn’t taken off in a big way just yet; it may take some time for society to adjust to robotic simulacra standing in for humans in face-to-face communications. Regardless, it’s an area of continuous development, and
[MakerMan] has weig... | 8 | 6 | [
{
"comment_id": "5465619",
"author": "RER",
"timestamp": "2018-11-16T20:03:13",
"content": "What is this? A DIY Telepresence robot built from off-the-shelf parts for ants?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5466027",
"author": "Jack128",
"t... | 1,760,374,142.467447 | ||
https://hackaday.com/2018/11/16/fpga-testbenches-made-easier/ | FPGA Testbenches Made Easier | Al Williams | [
"FPGA",
"Hackaday Columns"
] | [
"fpga",
"testbench",
"verilog"
] | You finally finish writing the Verilog for that amazing new DSP function that will revolutionize human society and make you rich. Does it work? Your first instinct, of course, is to blow it into your FPGA of choice and see if it works. If it does, that was a great idea. If it doesn’t, it was a terrible idea because — t... | 8 | 7 | [
{
"comment_id": "5465303",
"author": "russdill",
"timestamp": "2018-11-16T18:39:54",
"content": "Cool beans, thanks for the timesaver.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5465370",
"author": "Artenz",
"timestamp": "2018-11-16T18:59:39",
... | 1,760,374,142.521184 | ||
https://hackaday.com/2018/11/16/turning-a-rotary-tool-into-a-cnc/ | Turning A Rotary Tool Into A CNC | Brian Benchoff | [
"3d Printer hacks",
"cnc hacks"
] | [] | Now that 3D printers are everywhere, electronics are cheap, and open source software is extremely capable, just about anyone can build a CNC machine. That’s exactly what [Nikodem] did by turning a Dremel tool
into an extremely capable CNC machine
that’s able to cut MDF and acrylic and can engrave aluminum.
The electron... | 32 | 19 | [
{
"comment_id": "5464854",
"author": "Blodgar",
"timestamp": "2018-11-16T16:39:52",
"content": "Nicely Done! Hmmmm….winter project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5464996",
"author": "Joel B",
"timestamp": "2018-11-16T17:19:50",
"co... | 1,760,374,142.588021 | ||
https://hackaday.com/2018/11/16/supercon-designing-your-own-diffractive-optics/ | Supercon: Designing Your Own Diffractive Optics | Brian Benchoff | [
"cons",
"Featured",
"Science",
"Virtual Reality"
] | [
"2018 Hackaday Superconference"
] | Kelly Peng is an electrical and optical engineer, and founder of Kura AR. She’s built a fusion reactor, a Raman spectrometer, a DIY structured light camera, a linear particle accelerator, and emotional classifiers for likes and dislikes. In short, we have someone who can do anything, and she came in to talk about one o... | 15 | 5 | [
{
"comment_id": "5464557",
"author": "Tracy",
"timestamp": "2018-11-16T15:28:18",
"content": "Wow, amazing how she researched the manufacturing process to make it more affordable for the end user while using common processes in a new way. Teaching the old dog a new trick that will hopefully kick th... | 1,760,374,142.756632 | ||
https://hackaday.com/2018/11/16/delta-bot-plucks-out-tunes-on-a-mandolin/ | Delta Bot Plucks Out Tunes On A Mandolin | Dan Maloney | [
"Musical Hacks",
"Robots Hacks"
] | [
"delta",
"kinematics",
"mandolin",
"pick",
"plectrum",
"stepper",
"string instrument"
] | Is there no occupation safe from the scourge of robotic replacement? First it was the automobile assemblers, then fast food workers, and now it’s the — mandolin players?
Probably not, unless [Clayton Darwin]’s
mandolin playing pluck-bot
has anything to say about it. The pick-wielding delta-ish robot can be seen in acti... | 22 | 13 | [
{
"comment_id": "5463796",
"author": "ozon",
"timestamp": "2018-11-16T12:02:09",
"content": "cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5463819",
"author": "RÖB",
"timestamp": "2018-11-16T12:12:34",
"content": "Arc Delta. The kinematics ar... | 1,760,374,144.577886 | ||
https://hackaday.com/2018/11/16/smooth-moves-from-cheap-motors/ | Smooth Moves From Cheap Motors | Bryan Cockfield | [
"Robots Hacks"
] | [
"arm",
"cheap",
"controller",
"ESP32",
"inverse kinematics",
"motor",
"robot",
"stepper"
] | Building an electric motor isn’t hard or technically challenging, but these motors have very little in the way of control. A stepper motor is usually employed in applications that need precision, but adding this feature to a motor adds complexity and therefore cost. There is a small $3 stepper motor available, but the ... | 36 | 8 | [
{
"comment_id": "5463525",
"author": "Arcturus",
"timestamp": "2018-11-16T09:52:25",
"content": "“An Arduino isn’t fast enough to do these computations” Well, maybe not if you do sine/cosine calculations on the fly. I’ve been using a stepper motor to drive my diy turtable record player since 2004. T... | 1,760,374,144.796991 | ||
https://hackaday.com/2018/11/15/choosing-cell-modems-the-drama-queen-of-hardware-design/ | Choosing Cell Modems: The Drama Queen Of Hardware Design | Kerry Scharfglass | [
"Cellphone Hacks",
"Engineering",
"Featured",
"hardware",
"Original Art",
"Wireless Hacks"
] | [
"cell module",
"certification",
"fcc",
"Internet of shit",
"IoT",
"PTRCB",
"xbee"
] | So you went to a tradeshow and heard about this cool new idea called the Internet Of Things; now it’s time to build an IoT product of your own. You know that to be IoT, your Widget D’lux®
has
to have a network connection but which to choose?
You could use WiFi or Bluetooth but that would be gauche. Maybe LoRaWAN? All t... | 20 | 11 | [
{
"comment_id": "5459975",
"author": "Joel",
"timestamp": "2018-11-15T17:10:19",
"content": "Even after all of the certification, and modular pre-compliance to help…The carriers may still blacklist custom firmware/hardware without their own approval process stamp.This article is somewhat optimistica... | 1,760,374,144.524989 | ||
https://hackaday.com/2018/11/15/cyborg-mushrooms/ | Cyborg Mushrooms | Brian McEvoy | [
"chemistry hacks",
"Science"
] | [
"bacterial nanobionics",
"biology",
"carbon",
"cyanobacterial",
"cybernetic shitake",
"cyborg",
"electricity",
"energy",
"fungus",
"graphene",
"graphene nanoribbons",
"mushroom",
"nanobionics",
"nanoribbons"
] | Of all the fictional cyborgs who turn against humanity to conquer the planet, this is as far from that possibility as you can get. These harmless mushrooms seem more interested in showing off their excellent fashion sense with a daring juxtaposition of hard grid lines with playful spirals. But the purpose of this bacte... | 3 | 1 | [
{
"comment_id": "5460081",
"author": "olsen",
"timestamp": "2018-11-15T17:41:55",
"content": "I wonder how well this would work with lichen?Lichen, if you didn’t know is a symbiotic relationship between assorted fungi and cyanobacteria.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,144.833345 | ||
https://hackaday.com/2018/11/15/the-smaller-more-powerful-raspberry-pi-3-model-a/ | The Smaller, More Powerful Raspberry Pi 3 Model A+ | Brian Benchoff | [
"News",
"Raspberry Pi"
] | [
"Pi 3 Model A+",
"raspberry pi",
"Raspberry Pi 3",
"Raspberry Pi model A+"
] | It’s that time of year again, and the Raspberry Pi Foundation has some new hardware for you. This time, it’s an
improved version of the Raspberry Pi Model A,
bringing it the speed and power of its bigger brother, the Raspberry Pi Model 3 B+.
The Raspberry Pi Model A is the weird middle child of the Raspberry Pi lineup,... | 164 | 33 | [
{
"comment_id": "5458285",
"author": "CRImier",
"timestamp": "2018-11-15T09:13:35",
"content": "Wait, 512MB? That’s surprising. Wonder if we’ll see RAM mods =D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5458373",
"author": "Szaja",
"times... | 1,760,374,145.124334 | ||
https://hackaday.com/2018/11/14/re-enacting-tron-on-the-apple-iigs/ | Re-enacting TRON On The Apple IIgs | Lewin Day | [
"Retrocomputing"
] | [
"apple II",
"Apple IIGS",
"memory",
"memory leak",
"protected memory",
"unprotected memory"
] | TRON is a science fiction classic, hitting cinemas in the midst of the burgeoning home computer era. It’s the film that created the famous light cycle, which spawned many video game recreations in the following years. Many years ago now, [Daniel] decided to flex his programming muscles by coding a version of the game f... | 4 | 4 | [
{
"comment_id": "5459248",
"author": "Arjan Wiegel",
"timestamp": "2018-11-15T12:41:47",
"content": "really interesting write-up, but the original story does not let it look lie it was completely by accident.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5459... | 1,760,374,144.404032 | ||
https://hackaday.com/2018/11/14/centurion-bridge-layer-now-in-rc/ | Centurion Bridge Layer, Now In RC | Lewin Day | [
"Toy Hacks"
] | [
"radio control",
"radio control tank",
"rc",
"RC tank",
"tank"
] | Radio controlled models are great fun. Most of us have had a few RC cars as children and maybe dabbled with the occasional helicopter or drone. It’s a rare breed of modeler, however, that gets to drive a
radio-controlled bridge laying tank.
The lads prepare to fight the good fight.
The model is a replica of the
British... | 1 | 1 | [
{
"comment_id": "6326928",
"author": "Steve Stork",
"timestamp": "2021-02-28T22:11:10",
"content": "It’s nicee to see a model of the old girl I used to drive one in 1971 at Honhe Grmany",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,144.618981 | ||
https://hackaday.com/2018/11/14/rock-out-to-the-written-word-with-booksound/ | Rock Out To The Written Word With BookSound | Tom Nardi | [
"Musical Hacks",
"Raspberry Pi"
] | [
"3D printed enclosure",
"electronic music",
"ocr",
"text processing"
] | With his latest project, [Roni Bandini] has simultaneously given the world a new type of audiobook
and
music. Traditional audiobooks are basically the adult equivalent of having somebody read you a bedtime story, but
BookSound actually turns the written word into electronic music
. You won’t be able to boast to your fr... | 15 | 8 | [
{
"comment_id": "5456383",
"author": "Prof.Sparkles",
"timestamp": "2018-11-15T00:42:28",
"content": "Great project, great write up",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5460897",
"author": "Roni Bandini (@RoniBandini)",
"timestamp":... | 1,760,374,145.175196 | ||
https://hackaday.com/2018/11/14/3d-print-springs-with-hacked-gcode/ | 3D Print Springs With Hacked GCode | Tom Nardi | [
"3d Printer hacks",
"Parts"
] | [
"compression spring",
"FDM",
"filament extrusion",
"gcode",
"helical",
"springs"
] | If you’ve used a desktop 3D printer in the past, you’re almost certainly done battle with “strings”. These are the wispy bits of filament that harden in the air, usually as the printer’s nozzle moves quickly between points in open air. Depending on the severity and the material you’re printing with, these stringy inter... | 36 | 15 | [
{
"comment_id": "5456037",
"author": "ctag",
"timestamp": "2018-11-14T21:10:31",
"content": "I love it. Curious to know how different materials perform; all I have is PETG so that’s what I’ll try first.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5456187"... | 1,760,374,144.915192 | ||
https://hackaday.com/2018/11/13/hackaday-meetup-at-electronica-thursday/ | Hackaday Meetup At Electronica: Thursday | Elliot Williams | [
"cons"
] | [
"electronica",
"Hackaday Meetup",
"munich",
"supplyframe"
] | Hackaday’s parent company Supplyframe is at Electronica in Munich this week — booth C5-223. On Thursday from 16:00 – 18:00, they’ll be hosting a Hackaday Happy Hour, with a beer and coffee bar, for everyone in the Hackaday community. They’d love to see you and hear what you’re working on, be it for your day job or your... | 10 | 9 | [
{
"comment_id": "5454052",
"author": "Dominic Buchstaller (@2dom)",
"timestamp": "2018-11-14T08:57:09",
"content": "Great! … I am at electronica tomorrow and might drop by. Anyone else?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5455128",
"author... | 1,760,374,144.459392 | ||
https://hackaday.com/2018/11/13/whats-the-difference-ask-an-op-amp/ | What’s The Difference? Ask An Op Amp | Al Williams | [
"Misc Hacks"
] | [
"circuit analysis",
"differential amplifier",
"op-amp",
"superposition"
] | If you’ve ever wondered why an op amp has the little plus and minus symbols on it, its because at the heart of it, the device is a differential amplifier. The problem is that — ideally, at least — it has infinite gain so it works like a comparator and that’s not what you usually want. So we put resistors around the thi... | 12 | 7 | [
{
"comment_id": "5453640",
"author": "RÖB",
"timestamp": "2018-11-14T06:44:59",
"content": "Wow. I took one look at that schematic and thought that must be the hardest place to start explaining op-amps.Then I googled around and found that this is common.If you don’t believe me then calculate the loa... | 1,760,374,145.242033 | ||
https://hackaday.com/2018/11/13/non-nefarious-raspberry-pi-only-looks-like-a-hack/ | Non-Nefarious Raspberry Pi Only Looks Like A Hack | Dan Maloney | [
"Security Hacks"
] | [
"bluetooth",
"dongle",
"ext4",
"FAT32",
"InfoSec",
"linux",
"normies",
"Raspberry Pi Zero",
"wifi"
] | We’re going to warn you right up front that this is not a hack. Or at least that’s how it turned out after [LiveOverflow] did some
digital forensics on a mysterious device
found lurking in a college library. The path he took to come to the conclusion that nothing untoward was going on was interesting and informative, t... | 50 | 11 | [
{
"comment_id": "5453028",
"author": "Lewin Day",
"timestamp": "2018-11-14T03:19:20",
"content": "For those of us without 20 minutes to watch a YouTube video, what are they for?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5453039",
"author": "Leit... | 1,760,374,145.636786 | ||
https://hackaday.com/2018/11/13/the-mighty-d-battery-becomes-a-usb-powerbank/ | The Mighty D Battery Becomes A USB Powerbank | Brian Benchoff | [
"Toy Hacks"
] | [
"D battery",
"powerbank",
"USB powerbank"
] | [Jan] is one of those people who’s always playing around with synthesizers, and in this day and age, that means a lot of USB cables supplying power. If you want to make a synth setup portable, your best option is looking at USB powerbanks with their fancy lithium cells. These will work just fine, but remember: you can ... | 63 | 13 | [
{
"comment_id": "5452637",
"author": "steelman",
"timestamp": "2018-11-14T00:07:05",
"content": "At best the environment to convenience exchange rate is undefined. In most cases it is very very high.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5452786",
... | 1,760,374,145.785188 | ||
https://hackaday.com/2018/11/13/apple-1-emulator-is-a-perfect-fit-for-supercon-badge/ | Apple 1 Emulator Is A Perfect Fit For Supercon Badge | Roger Cheng | [
"cons"
] | [
"2018 Hackaday Superconference",
"Apple 1",
"Apple I",
"badge",
"badge hacking",
"badge hacks",
"Hackaday Supercon",
"Hackaday SuperConference",
"Supercon",
"Supercon badge"
] | Supercon badge hackers had to be ready to present their show-and-tell by 6 pm Sunday evening. This ruthless unmoving deadline meant every badge hack on stage represents an accomplishment in time management, and some luck, in addition to their own technical merits. But that deadline also meant a few fantastic projects l... | 9 | 6 | [
{
"comment_id": "5452591",
"author": "Jac Goudsmit",
"timestamp": "2018-11-13T21:54:48",
"content": "It might also have helped if I would have gotten the idea to do this earlier, like on Friday or something :-)Thanks Roger (and nice meeting you)!",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,145.686794 | ||
https://hackaday.com/2018/11/13/esp8266-wi-fi-instant-camera-is-a-simple-shooter/ | ESP8266 Wi-Fi Instant Camera Is A Simple Shooter | Tom Nardi | [
"digital cameras hacks",
"Microcontrollers"
] | [
"arducam",
"ESP32",
"ESP8266",
"flash",
"oled"
] | If a camera that combines the immediate gratification of a Polaroid with cloud hosting sounds like something that tickles your fancy, look no farther than this
ESP-powered point and shoot camera created by [Martin Fasani]
. There’s no screen or complicated configuration on this camera; just press the button and the raw... | 5 | 1 | [
{
"comment_id": "5452357",
"author": "Dave",
"timestamp": "2018-11-13T19:57:56",
"content": "This is neat, i was hoping to implement something similar into a weather station for use with wunderground.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5452409",
... | 1,760,374,145.549348 | ||
https://hackaday.com/2018/11/13/hotend-becomes-the-z-probe-with-a-kinematic-coupling/ | Hotend Becomes The Z Probe With A Kinematic Coupling | Sonya Vasquez | [
"3d Printer hacks"
] | [
"kinematic coupling",
"limit switches",
"z probe"
] | 3D Printer tool changers are bedazzling to watch, but even failed attempts at tool changers can yield something marvelous. Such is the case for [Raymond] who transformed a tool changer attempt into
a perfectly capable z-level probe
that uses the hotend itself as a limit switch.
The secret sauce behind this mechanism: a... | 5 | 3 | [
{
"comment_id": "5452607",
"author": "garlicbready",
"timestamp": "2018-11-13T22:28:48",
"content": "Looks like it was from 22 March 2016, I couldn’t find any stl’s or thingiverse linksthis is similar thoughhttps://www.duet3d.com/DuetAddons/DeltaSmartEffector",
"parent_id": null,
"depth": 1,... | 1,760,374,145.503197 | ||
https://hackaday.com/2018/11/13/mechanisms-lead-screws-and-ball-screws/ | Mechanisms: Lead Screws And Ball Screws | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"ball screw",
"lead screw",
"Mechanisms"
] | Translating rotary motion to linear motion is a basic part of mechatronic design. Take a look at the nearest 3D-printer or CNC router — at least the Cartesian variety — and you’ll see some mechanism that converts the rotation of the the motor shafts into the smooth linear motion needed for each axis.
Hobby-grade machin... | 52 | 11 | [
{
"comment_id": "5451985",
"author": "Thopter",
"timestamp": "2018-11-13T18:39:23",
"content": "What about threadless ball screws?https://www.thingiverse.com/thing:125529",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5452172",
"author": "Robert Mate... | 1,760,374,146.080414 | ||
https://hackaday.com/2018/11/13/alice-evans-brucellosis-or-why-we-pasteurize-milk/ | Alice Evans: Brucellosis, Or Why We Pasteurize Milk | Brian Boucheron | [
"Biography",
"Featured",
"Original Art",
"Slider"
] | [
"biology",
"cheese",
"dairy",
"milk",
"science"
] | It’s easy to forget how much illness and death was caused by our food and drink just one hundred years ago. Our modern food systems, backed by sound research and decent regulation, have elevated food safety to the point where outbreaks of illness are big news. If you get sick from a burger, or a nice tall glass of milk... | 51 | 14 | [
{
"comment_id": "5451724",
"author": "Mike Massen",
"timestamp": "2018-11-13T15:35:18",
"content": "Most important pasteurization continue as the disease can last for years and the less of that bacteria around the less chance for mutations, more info on the disease here:-https://en.wikipedia.org/wik... | 1,760,374,145.88215 | ||
https://hackaday.com/2018/11/13/unique-flat-screen-display-put-to-use-in-crt-game-boy/ | Unique Flat-Screen Display Put To Use In CRT Game Boy | Dan Maloney | [
"classic hacks"
] | [
"composite video",
"crt",
"ESP32",
"flat screen",
"game boy",
"pal",
"tetris"
] | The cathode-ray tube ruled the display world from the earliest days of TV until only comparatively recently, when flat-screen technology began to take over. CRTs just kept getting bigger over that time until they reached a limit beyond which the tubes got just too bulky to be practical.
But there was action at the low ... | 30 | 11 | [
{
"comment_id": "5451455",
"author": "spiritplumber",
"timestamp": "2018-11-13T12:10:42",
"content": "Vault-Tec approves",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5452448",
"author": "TGT",
"timestamp": "2018-11-13T20:42:58",
"co... | 1,760,374,146.264697 | ||
https://hackaday.com/2018/11/13/low-energy-esp8266-based-board-sleeps-like-a-log-until-triggered/ | Low-energy ESP8266-based Board Sleeps Like A Log Until Triggered | Brian Boucheron | [
"Microcontrollers"
] | [
"ESP8266",
"low power",
"microcontroller",
"trigger",
"wifi"
] | Given the popularity of
hacking and repurposing Amazon Dash buttons
, there appears to be a real need amongst tinkerers for a simple “do something interesting on the internet when a button is pressed” device. If you have this need but don’t feel like fighting to bend a Dash device to your will, take a look at
[Kevin Da... | 32 | 14 | [
{
"comment_id": "5451103",
"author": "Jeff",
"timestamp": "2018-11-13T09:22:41",
"content": "1uA? That’s less current than flared jeans.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5451390",
"author": "Elliot Williams",
"timestamp": "2018-... | 1,760,374,146.149981 | ||
https://hackaday.com/2018/11/12/advent-calendar-tracks-the-days-until-christmas/ | Advent Calendar Tracks The Days Until Christmas | Steven Dufresne | [
"clock hacks"
] | [
"advent calendar",
"ESP8266",
"wemos d1 mini",
"ws2812"
] | What’s a hacker to do when Halloween’s over and a new source of ideas is needed for more hacks? Make something for Christmas of course. That’s what [Dario Breitenstein] did when he made
his Advent calendar
both as a decoration and to help instill some Christmas spirit.
Designed in SketchUp, it’s a WS2812 LED strip moun... | 2 | 2 | [
{
"comment_id": "5452586",
"author": "Hirudinea",
"timestamp": "2018-11-13T21:49:32",
"content": "4th floor, Ladies Lingerie.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5468049",
"author": "Santa",
"timestamp": "2018-11-17T10:58:04",
"content":... | 1,760,374,146.194325 | ||
https://hackaday.com/2018/11/12/hacked-heating-instruments-for-the-diy-biology-lab/ | Hacked Heating Instruments For The DIY Biology Lab | Dan Maloney | [
"chemistry hacks"
] | [
"bacteria",
"biochemistry",
"biohacking",
"biology",
"Chemistry",
"dna",
"heating",
"molecular biology",
"peltier",
"plasmids",
"yeast"
] | [Justin] from The Thought Emporium takes on a common molecular biology problem with
these homebrew heating instruments for the DIY biology lab
.
The action at the molecular biology bench boils down to a few simple tasks: suck stuff, spit stuff, cool stuff, and heat stuff. Pipettes take care of the sucking and spitting,... | 4 | 3 | [
{
"comment_id": "5451080",
"author": "echodelta",
"timestamp": "2018-11-13T09:05:14",
"content": "Lizards get to have full time heat, us humans in the US have to contend with 2 hours out of a heating pad 10 hours out of a electric blanket. I figured what pin on the chip to unground and liberate one ... | 1,760,374,146.303704 | ||
https://hackaday.com/2018/11/12/arduino-provides-hands-free-focus-for-digital-inspection-scope/ | Arduino Provides Hands-Free Focus For Digital Inspection Scope | Dan Maloney | [
"Tool Hacks"
] | [
"arduino pro micro",
"camera",
"Eakins",
"emulation",
"focus",
"footswitch",
"gui",
"inspection",
"microscope",
"optics"
] | With surface-mount technology pushing the size of components ever smaller, even the most eagle-eyed among us needs some kind of optical assistance to do PCB work. Lots of microscopes have digital cameras too, which can be a big help – unless the camera fights you.
Faced with a camera whose idea of autofocus targets on ... | 6 | 5 | [
{
"comment_id": "5449638",
"author": "OldVamp",
"timestamp": "2018-11-13T02:33:12",
"content": "I think you could also do this with autohotkey scripts",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5451346",
"author": "none",
"timestamp": "20... | 1,760,374,146.34791 | ||
https://hackaday.com/2018/11/12/fail-of-the-week-leaf-blowers-cant-fly/ | Fail Of The Week: Leaf Blowers Can’t Fly | Dan Maloney | [
"drone hacks",
"Fail of the Week"
] | [
"drone",
"Ducted Fan",
"internal combustion",
"leaf blower",
"rc",
"two-stroke",
"ultralight"
] | Leaf blowers, the main instrument of the suburban Saturday symphony, are one of the most useful nuisances. It doesn’t take much work with a rake to convince even the most noise-averse homeowner to head to the Big Box Store to pick one up to speed lawn chores. Once you do buy one, and feel the thrust produced by these h... | 31 | 11 | [
{
"comment_id": "5448725",
"author": "Paul",
"timestamp": "2018-11-12T21:14:17",
"content": "I bet Samm Sheperd, RIP, could have easily made it fly. Really sad he didn’t get to try. He came pretty close to “leaf blower” with this one though:https://www.youtube.com/watch?v=wg8ZbiC9IBw",
"parent... | 1,760,374,146.527946 | ||
https://hackaday.com/2018/11/12/lego-tardis-spins-through-the-void/ | Lego Tardis Spins Through The Void | Rich Hawkes | [
"Toy Hacks"
] | [
"kinetic art",
"kinetic sculpture",
"lego",
"tardis"
] | Using LEGO Technic gears and rods seems like a great way of bringing animation to your regular LEGO creation. Using gears and crank shafts you can animate models from your favorite TV show or movie like LEGO kinetic sculpture maker, [Josh DaVid] has done when he created a
spinning TARDIS
. Crank the handle and the scu... | 8 | 6 | [
{
"comment_id": "5449032",
"author": "Shannon",
"timestamp": "2018-11-12T23:23:27",
"content": "Looks like this design was very heavily inspired by an orrery.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5449540",
"author": "RÖB",
"timestam... | 1,760,374,146.389391 | ||
https://hackaday.com/2018/11/12/sprite_tms-magic-paintbrush/ | Sprite_TM’s Magic Paintbrush | Brian Benchoff | [
"Art",
"cons"
] | [
"2018 Hackaday Superconference",
"HP ink cartridge",
"ink cartridge",
"sprite_tm"
] | When it comes to hackers we love, there’s no better example than Jeroen Domburg, a.k.a. Sprite_TM. Sprite’s now working for Espressif, makers of the fantastic ESP8266 and ESP32, where he created a miniature Game Boy and
turned this PocketSprite into a real product
. He’s installed
Linux on a hard drive
, and created
a ... | 27 | 11 | [
{
"comment_id": "5448595",
"author": "cnlohr",
"timestamp": "2018-11-12T20:46:45",
"content": "Man it was awesome to be in the audience for the nyancatness.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5450345",
"author": "macegr",
"timesta... | 1,760,374,146.460522 | ||
https://hackaday.com/2018/11/12/an-apollo-guidance-computer-laid-bare/ | An Apollo Guidance Computer Laid Bare | Jenny List | [
"classic hacks"
] | [
"apollo",
"Apollo AGC",
"Apollo Guidance Computer",
"DSKY"
] | An Apollo Guidance Computer probably isn’t a machine that’s likely to come the way of most Hackaday readers. The device that played such a vital role in taking astronauts to the Moon and bringing them home again is hardly a common find, even if it is one of the most iconic machines of its type and era.
[Carl Claunch] w... | 42 | 9 | [
{
"comment_id": "5447085",
"author": "DainBramage",
"timestamp": "2018-11-12T16:53:06",
"content": "Someone should tell Fran about this.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5447158",
"author": "chris",
"timestamp": "2018-11-12T17:0... | 1,760,374,146.725759 | ||
https://hackaday.com/2018/11/12/hello-and-please-dont-hang-up-the-scourge-of-robocalls/ | Hello, And Please Don’t Hang Up: The Scourge Of Robocalls | Jonathan Bennett | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Phone Hacks",
"Slider"
] | [
"caller id",
"robocalls",
"spam"
] | Over the last few months, I’ve noticed extra calls coming in from local numbers, and if you live in the US, I suspect maybe you have too. These calls are either just dead air, or recordings that start with “Please don’t hang up.” Out of curiosity, I’ve called back on the number the call claims to be from. Each time, th... | 113 | 34 | [
{
"comment_id": "5446595",
"author": "Mike R",
"timestamp": "2018-11-12T15:07:35",
"content": "The numbers are just spoofed numbers local to whomever they are calling. They often belong to real people. A few people I know, myself included, have received callbacks from people telling us not to call t... | 1,760,374,146.880856 | ||
https://hackaday.com/2018/11/12/new-part-day-a-6-linux-computer-you-might-be-able-to-write-code-for/ | New Part Day: A $6 Linux Computer You Might Be Able To Write Code For | Brian Benchoff | [
"Hackaday Columns",
"Linux Hacks"
] | [
"C-Sky",
"Nationalchip",
"raspberry pi",
"SoC"
] | The latest news from the world of cheap electronics
is a single board computer running Linux
. It costs six dollars, and you can buy it right now. You might even be able to compile code for it, too.
The C-Sky Linux development board
is listed on Taobao
as an ‘OrangePi NanoPi Raspberry Pi Linux Development Board” and de... | 81 | 19 | [
{
"comment_id": "5446429",
"author": "Cyk",
"timestamp": "2018-11-12T14:28:24",
"content": "Might be an interesting board for Micropython.Or for porting Maximite BASIC.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5446497",
"author": "Clara",
... | 1,760,374,147.212969 | ||
https://hackaday.com/2018/11/12/how-to-evolve-a-radio/ | How To Evolve A Radio | Lewin Day | [
"classic hacks"
] | [
"evolutionary algorithm",
"radio"
] | Evolutionary algorithms are an interesting topic of study. Rather then relying on human ingenuity and investigation to create new designs, instead, an algorithm is given a target to achieve, and creates “offspring”, iterating in an evolutionary manner to create offspring that get closer to the target with each generati... | 30 | 14 | [
{
"comment_id": "5445263",
"author": "???? ????",
"timestamp": "2018-11-12T09:14:25",
"content": "This even happens within evolved FPGA designs where they work in ways that are hard to foresee as they rely on the underlying analog nature of even digital electronics. It can even be so sensitive to th... | 1,760,374,146.946431 | ||
https://hackaday.com/2018/11/11/robot-never-misses-leg-day/ | Robot Never Misses Leg Day | Brian McEvoy | [
"News",
"Robots Hacks"
] | [
"ameoba",
"bio-inspired",
"Biomimetics",
"biomimicry",
"mimic",
"organism",
"robot",
"single-cell"
] | We have heard bipedal walking referred to as a series of controlled falls, or one continuous fall where we repeatedly catch ourselves, and it is a long way to fall at 9.8m/s
2
. Some of us are more graceful than others, but most grade-schoolers have gained superior proficiency in comparison to our most advanced bipedal... | 9 | 4 | [
{
"comment_id": "5440308",
"author": "GameboyRMH",
"timestamp": "2018-11-11T11:01:27",
"content": "Some vehicles in Snow Crash had wheels like this, Hiro’s motorcycle and some skateboards IIRC. In that novel the telescoping rods also worked as active suspension to smooth the ride.",
"parent_id":... | 1,760,374,146.995777 | ||
https://hackaday.com/2018/11/10/a-4-ultrasonic-theremin-looks-cheesy-on-purpose/ | A $4 Ultrasonic Theremin Looks Cheesy On Purpose | Al Williams | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduinio",
"music",
"theremin",
"ultrasonic"
] | We don’t think [bleepbit] will take offense when we say the “
poor man’s theremin
” looks cheesy — after all, it was built in a cheese container. Actually, it isn’t a bad case for a simple device, as you can see in the picture and the video below. Unlike a traditional theremin, the device uses ultrasonics to detect how... | 6 | 5 | [
{
"comment_id": "5439458",
"author": "RÖB",
"timestamp": "2018-11-11T06:26:06",
"content": "Some of the effects sound like old 8-bit games.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5439475",
"author": "James Sleeman",
"timestamp": "2018-11-11T06:... | 1,760,374,147.343233 | ||
https://hackaday.com/2018/11/10/arduino-gets-a-command-line-interface/ | Arduino Gets A Command Line Interface | Bryan Cockfield | [
"Microcontrollers"
] | [
"arduino",
"cli",
"command line",
"gpio",
"i2c",
"serial",
"shell",
"unix",
"uno"
] | When using an Arduino, at least once you’ve made it past blinking LEDs, you might start making use of the serial connection to send and receive information from the microcontroller. Communicating with the board while it’s interacting with its environment is a crucial way to get information in real-time. Usually, that’s... | 52 | 19 | [
{
"comment_id": "5439232",
"author": "gregkennedy",
"timestamp": "2018-11-11T03:39:17",
"content": "This is really cool – turn the Arduino into a regular Swiss Army Knife! GPIO, ADC, I2C and SPI. Much easier than writing a one-off application to do something.",
"parent_id": null,
"depth":... | 1,760,374,147.301331 | ||
https://hackaday.com/2018/11/10/single-board-computer-plays-nice-with-nvidia-gpu/ | Single Board Computer Plays Nice With NVIDIA GPU | Drew Littrell | [
"Tech Hacks"
] | [
"diy computer",
"GPUs",
"single board computer",
"x86"
] | It’s about convenience when it comes to single board computers. The trade-off of raw compute power for size means the bulk of them end up being ARM based, but there are a few exceptions like the x86 based Udoo Ultra. The embedded Intel 405 GPU on the Udoo Ultra is better than most in the category, but that won’t begin ... | 39 | 15 | [
{
"comment_id": "5438896",
"author": "Steven13",
"timestamp": "2018-11-11T00:21:04",
"content": "A year ago people would be making comments about how this has potential for use in cryptocurrency mining.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5438910"... | 1,760,374,147.840974 | ||
https://hackaday.com/2018/11/10/whats-inside-that-new-mac-mini-anyway/ | What’s Inside That New Mac Mini Anyway? | Drew Littrell | [
"Teardown"
] | [
"apple",
"mac mini",
"teardown"
] | It’s been four long years since Apple has refreshed their entry-level desktop line. Those that have been waiting for a redesign of the Mac Mini can now collectively exhale as the Late 2018 edition has officially been released. Thanks to [iFixit] we have a clearer view of what’s changed in the new model as they posted
a... | 65 | 25 | [
{
"comment_id": "5437641",
"author": "anszom",
"timestamp": "2018-11-10T21:10:08",
"content": "So, where’s the hack?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5437771",
"author": "Jr4om3d",
"timestamp": "2018-11-10T21:27:58",
"co... | 1,760,374,147.488453 | ||
https://hackaday.com/2018/11/10/back-to-school-online/ | Back To School Online | Al Williams | [
"internet hacks"
] | [
"college",
"coursea",
"degree",
"education",
"EDX",
"university"
] | In 1961, FCC Commissioner [Newt Minow] famously described TV as a “vast wasteland.” But TV can do great things; educational programming, news coverage, and great performances do appear, just not all that often. You can draw the same parallels to the Internet. Sure, it’s mostly cat pictures, snarky comments, and posts o... | 6 | 3 | [
{
"comment_id": "5436762",
"author": "TheRegnirps.",
"timestamp": "2018-11-10T18:31:22",
"content": "You need a type of comment that fades away in a few hours for these spelling and grammar notes.“The problem is finding these classes and figuring out which ones are gems and which are duds. A site ca... | 1,760,374,147.382468 | ||
https://hackaday.com/2018/11/10/what-good-are-counterfeit-parts-believe-it-or-not-maybe-a-refund/ | What Good Are Counterfeit Parts? Believe It Or Not, Maybe A Refund | Donald Papp | [
"hardware"
] | [
"AliExpress",
"counterfeit",
"datasheet",
"fake",
"MCP1702",
"refund",
"reseller",
"semiconductor"
] | [Charles Ouweland] purchased some parts off Aliexpress and noticed that the Texas Instruments logo on some of his parts wasn’t the Texas Instruments logo at all, it was just some kind of abstract shape that vaguely resembled the logo. Suspicious and a little curious, he decided to take a closer look at the MCP1702 3.3v... | 60 | 24 | [
{
"comment_id": "5436091",
"author": "Gravis",
"timestamp": "2018-11-10T15:27:19",
"content": "Even if you get a refund, you should absolutely leave feedback to warn people that the seller deals counterfeit components.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,147.592017 | ||
https://hackaday.com/2018/11/10/making-colored-smoke-devices-the-right-way/ | Making Colored Smoke Devices, The Right Way | Lewin Day | [
"chemistry hacks"
] | [
"colored smoke",
"smoke"
] | Pyrotechnics are fun, and, with the proper precautions taken, safe enough to play with at home (usually). While it’s typical to purchase fireworks and smoke devices off the shelf, it’s actually possible to brew these up in a properly stocked home lab.
[Tech Ingredients] is here to share the techniques behind producing ... | 15 | 10 | [
{
"comment_id": "5435992",
"author": "Jan",
"timestamp": "2018-11-10T12:20:59",
"content": "ughhh… ughhh ughhhh… don’t try this in home (only in the garden)Cool to see these kind of project too on hackaday. Interesting to learn that “Colored smokes use dyes that are temperature sensitive”.",
"pa... | 1,760,374,147.639772 | ||
https://hackaday.com/2018/11/10/e-mail-service-claims-it-doesnt-store-your-mail/ | E-Mail Service Claims It Doesn’t Store Your Mail | Al Williams | [
"Security Hacks"
] | [
"cybersecurity",
"email",
"encryption",
"InfoSec",
"security"
] | There have been many news stories lately about companies misusing your data, including your e-mails. What’s more, these giant repositories of data are favorite targets for hackers. Even if you trust the big corporations, you are also betting on their security.
Criptext
claims they have (possibly) the most private e-mai... | 28 | 9 | [
{
"comment_id": "5435695",
"author": "John",
"timestamp": "2018-11-10T09:30:56",
"content": "Never in the history of humankind have people imagined they had so many things that other people want to know.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5435740... | 1,760,374,147.704995 | ||
https://hackaday.com/2018/11/09/an-englishmans-home-is-his-drone-defended-castle/ | An Englishman’s Home Is His (Drone-Defended) Castle | Jenny List | [
"drone hacks",
"Weapons Hacks"
] | [
"dovecote",
"drone",
"multirotor",
"rocket"
] | Retiring to the garden for a few reflective puffs on the meerschaum and a quick shufti through the
Racing Post
, and the peace of the afternoon is shattered by the buzz of a drone in the old airspace,what! What’s a chap to do, let loose with both barrels of the finest birdshot from the trusty twelve-bore? Or build
a mi... | 24 | 9 | [
{
"comment_id": "5435333",
"author": "geocrasher",
"timestamp": "2018-11-10T06:30:21",
"content": "I demand…. a SHRUBBERY! I mean, A VIDEO of it in action!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5435843",
"author": "Ryan Mitchell",
"t... | 1,760,374,147.763387 | ||
https://hackaday.com/2018/11/09/raspberry-pi-poe-redux/ | Raspberry Pi PoE Redux | Jonathan Bennett | [
"hardware",
"News",
"Raspberry Pi"
] | [
"PoE",
"raspberry pi"
] | [Martin Rowan] was lucky enough to get his hands on the revised Power Over Ethernet (PoE) hat for the Raspberry Pi. Lucky for us,
he wrote it up for our benefit
, including inspection of the new hat, it’s circuit, and electrical testing to compare to the original hardware.
You may remember the original
release of the P... | 19 | 6 | [
{
"comment_id": "5434946",
"author": "Doub",
"timestamp": "2018-11-10T02:45:22",
"content": "It’s a rather expensive and painful mistake which could have been prevented by having a handful of people test the product in the real world. The article linked tells us they omitted this and paid the price:... | 1,760,374,147.897563 | ||
https://hackaday.com/2018/11/09/using-e-paper-displays-for-an-electronic-etch-a-sketch/ | Using E-Paper Displays For An Electronic Etch A Sketch | Al Williams | [
"Raspberry Pi"
] | [
"e-ink",
"e-paper",
"etch a sketch",
"raspberry pi"
] | Electronic things are often most successful when they duplicate some non-electronic thing. Most screens, then, are poor replacements for paper. Except, of course, for E-paper. These displays have high contrast even in sunlight and they hold their image even with no power. When [smbakeryt] was looking at his daughter’s ... | 12 | 5 | [
{
"comment_id": "5434956",
"author": "NiHaoMike",
"timestamp": "2018-11-10T02:58:21",
"content": "When I was 6 years old or so, I had some toy “writing pad” that did work with magnets – basically a magnetic version of Eink if I understand it right. I wonder if the availability of small but cheap neo... | 1,760,374,147.943598 | ||
https://hackaday.com/2018/11/09/pixy2-is-super-vision-for-arduino-or-raspberry-pi/ | Pixy2 Is Super Vision For Arduino Or Raspberry Pi | Al Williams | [
"Arduino Hacks",
"Raspberry Pi"
] | [
"barcodes",
"camera",
"computer vision",
"line following",
"object detection",
"Pixy"
] | A Raspberry Pi with a camera is nothing new. But the Pixy2 camera can interface with a variety of microcontrollers and has enough smarts to detect objects, follow lines, or even read barcodes without help from the host computer. [DroneBot Workshop] has a
review of the device
and he’s very enthused about the camera. You... | 24 | 11 | [
{
"comment_id": "5434125",
"author": "Dean Vega",
"timestamp": "2018-11-09T21:42:57",
"content": "$60 is really cheap as compared to the cameras I work with thant can cost up to $200K. FTR cameras and high end mapping cameras can run up to $1M.Currently I am working with cameras that have embedded c... | 1,760,374,148.110506 | ||
https://hackaday.com/2018/11/09/the-how-and-why-of-laser-cutter-aiming/ | The How And Why Of Laser Cutter Aiming | Tom Nardi | [
"Laser Hacks",
"Tool Hacks"
] | [
"beam combiner",
"diode laser",
"K40",
"laser",
"optics"
] | Laser aficionado [Martin Raynsford] has built up experience with various laser cutters over the years and felt he should write up a blog post detailing his first-hand findings with
an often overlooked aspect of the machines: aiming them
. Cheap diode laser cutters and engravers operate in the visible part of the spectr... | 16 | 11 | [
{
"comment_id": "5433433",
"author": "Daren Schwenke",
"timestamp": "2018-11-09T19:42:31",
"content": "The solution is to use two line generators instead. This model also includes air assist and a third mount for height settinghttps://www.thingiverse.com/thing:1270827",
"parent_id": null,
... | 1,760,374,148.166929 | ||
https://hackaday.com/2018/11/08/a-3d-printed-egg-shaped-speaker-cabinet/ | A 3D-Printed Egg-Shaped Speaker Cabinet | Jenny List | [
"3d Printer hacks"
] | [
"3d printed speaker",
"audio",
"hi-fi",
"loudspeaker",
"speaker"
] | There are few limits to the extent audiophiles will go in their quest for the perfect sound. This applies in particular to the loudspeaker, and with that aim [Heine Nielsen] has created an eye-catching set of
3D-printed egg-shaped enclosures
.
The theory of a loudspeaker enclosure is that it should simulate an infinite... | 21 | 8 | [
{
"comment_id": "5430501",
"author": "RÖB",
"timestamp": "2018-11-09T00:14:10",
"content": "Eggellent eggcoustics.But really, any internal sound reflections will have so may different phases that they will likely cancel out.Also, I didn’t know eggs are mammals. Cute though.",
"parent_id": null,
... | 1,760,374,148.220061 | ||
https://hackaday.com/2018/11/08/did-we-just-get-buzzed-by-alien-space-junk/ | Did We Just Get Buzzed By Alien Space Junk? | Al Williams | [
"News",
"Space"
] | [
"alien",
"lightsail"
] | Perhaps you heard about Oumuamua (don’t ask us how to pronounce that). The cigar-shaped object is the first item found by astronomers that is known to have come from outside the solar system and is continuing to pass through, not being captured by the sun’s gravitational field. A recent paper from [Shmuel Bialy] and [A... | 125 | 35 | [
{
"comment_id": "5429730",
"author": "Chris Knowles (@CKnowles)",
"timestamp": "2018-11-08T21:25:29",
"content": "I probably don’t need to be excited for this, but I will be anyway because being excited is fun.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,148.437926 | ||
https://hackaday.com/2018/11/08/rewound-and-rewired-bldc-makes-a-half-decent-generator/ | Rewound And Rewired BLDC Makes A Half-Decent Generator | Dan Maloney | [
"Misc Hacks"
] | [
"BLDC",
"delta",
"generator",
"Kv",
"motor",
"rectifier",
"rpm",
"winding",
"wye"
] | What’s the best way to turn a high-powered brushless DC motor optimized for hobby use into a decent low-RPM generator? Do you take a purely mechanical approach and slap a gearbox on the shaft? Or do you tackle the problem electrically?
The latter approach is what [GreatScott!] settled on with his
BLDC rewinding and rew... | 18 | 9 | [
{
"comment_id": "5429279",
"author": "Luke",
"timestamp": "2018-11-08T19:50:56",
"content": "Reducing the field intensity actually increases the Kv of the motor by reducing the back-EMF generated, which is why motors designed for high speed are terrible generators.It’s a bit counter-intuitive, but t... | 1,760,374,148.279011 | ||
https://hackaday.com/2018/11/08/it-happened-at-supercon-six-days-of-fun-in-a-three-day-con/ | It Happened At Supercon: Six Days Of Fun In A Three Day Con | Mike Szczys | [
"cons",
"Featured",
"Interest",
"News",
"Roundup"
] | [
"2018 Hackaday Superconference"
] | A weekend for people who love hardware, by people who love hardware. It’s a simple recipe and it makes a delicious event that we call the Hackaday Superconference. If you made it to Pasadena last weekend, I’m sure going back to work on Monday was difficult after three days of far too little sleep and way too much fun. ... | 7 | 5 | [
{
"comment_id": "5428966",
"author": "Ted",
"timestamp": "2018-11-08T18:44:43",
"content": "Simply amazing. My first of what I’m sure will be many more Supercons. I was blown away by the amazing people and the unbelievable energy all weekend. Just wow. Thanks for making this happen!",
"paren... | 1,760,374,148.667873 | ||
https://hackaday.com/2018/11/08/digital-picture-frame-turned-vectrex-overlay/ | Digital Picture Frame Turned Vectrex Overlay | Tom Nardi | [
"classic hacks",
"Games"
] | [
"digital photo frame",
"lcd",
"vector",
"vectrex"
] | For Hackaday readers which might not be so well versed in the world of home video gaming before the 1983 crash, the Vectrex was an interesting attempt at bringing vector graphics into player’s living rooms. Priced around $500 in today’s dollars, the machine was unique in that it included its own black and white CRT dis... | 9 | 7 | [
{
"comment_id": "5429272",
"author": "TGT",
"timestamp": "2018-11-08T19:49:57",
"content": "I miss the 4:3 aspect ratio too. 16:9 is just awkwardly narrow in my opinion. Not everything needs that kind of movie-theater presentation, and 4:3 displays it just fine if you do need it.",
"parent_id": ... | 1,760,374,148.483939 | ||
https://hackaday.com/2018/11/08/the-dual-in-line-package-and-how-it-got-that-way/ | The Dual In-Line Package And How It Got That Way | Dan Maloney | [
"Featured",
"hardware",
"Interest",
"Original Art",
"Slider"
] | [
"ceramic",
"die",
"dip",
"dual in-line package",
"encapsulation",
"epoxy",
"fairchild",
"How It Got That Way",
"lead frame",
"packaging",
"semiconductor"
] | For most of human history, our inventions and innovations have been at a scale that’s literally easy to grasp. From the largest cathedral to the finest pocket watch, everything that went into our constructions has been something we could see with our own eyes and manipulate with our hands. But in the middle of the 20th... | 68 | 18 | [
{
"comment_id": "5428265",
"author": "Bill",
"timestamp": "2018-11-08T15:29:15",
"content": "The flatpak was ahead of it’s time, since there was no way to automate soldering and the lead pitch was considered too small for easy hand work.Anyone else remember the staggered sockets that Heathkit used s... | 1,760,374,148.594231 |
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