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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/07/31/custom-keyboard-at-maximum-effort/ | A Custom Keyboard At Maximum Effort | Brian McEvoy | [
"how-to",
"Peripherals Hacks"
] | [
"arduino",
"Autodesk Fusion 360",
"fusion360",
"hand wired",
"keyboard",
"keycap",
"keyswitch",
"mechanical mechanical",
"PCB free",
"split keyboard",
"the hard way",
"tutorial"
] | No one loves hacked keyboards more than Hackaday. We spend most of our workday pressing different combinations of the same 104 buttons. Investing time in that tool is time well spent. [Max] feels the same and wants
some personality in his input device
.
In the first of three videos, he steps us through the design and m... | 16 | 5 | [
{
"comment_id": "4809192",
"author": "sonofthunderboanerges",
"timestamp": "2018-07-31T23:40:03",
"content": "Cool!I really need a back-lit keyboard to use in total darkness (except the light from the display). Does anybody know a cheap one that’s USB? Gamer boards are too expensive and too complex.... | 1,760,374,275.833252 | ||
https://hackaday.com/2018/07/31/need-a-tiny-crt-karaoke-might-just-help/ | Need A Tiny CRT? Karaoke Might Just Help | Lewin Day | [
"Raspberry Pi"
] | [
"crt",
"karaoke",
"raspberry pi",
"screen",
"video"
] | [Brett] is working on a video installation, and for the past few months, has been trying to get his hands on tiny CRTs any way he can. After initially coming up short, he happened across a karaoke machine from 2005, and
got down to work.
Karaoke machines of this vintage are typically fairly low-rent affairs, built chea... | 30 | 12 | [
{
"comment_id": "4808454",
"author": "BillSF9c",
"timestamp": "2018-07-31T20:06:30",
"content": "Sony had pocket TVs. Screen may have been 2″ diagonal or a bit more. Too small?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4810813",
"author": "John ... | 1,760,374,275.669947 | ||
https://hackaday.com/2018/07/31/high-efficiency-open-sourced-mppt-solar-charger/ | High Efficiency, Open-Sourced MPPT Solar Charger | Donald Papp | [
"Solar Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"charge controller",
"mppt",
"pic18",
"solar",
"solar charger"
] | A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the
High Efficiency MPPT Solar Charger
is full of features like data logging, boasts a 97% efficiency over a range of 1 to 75 Watts, and can be used as a standalone u... | 28 | 9 | [
{
"comment_id": "4808106",
"author": "Mike Massen",
"timestamp": "2018-07-31T18:43:47",
"content": "Hmm,Hi David Langridge at Solar Focus, Perth, Western Australia ;-)The first IIRC some 20 years ago to pursue a tight analog designin a narrow market place relying on only one outlet not market savy :... | 1,760,374,276.203768 | ||
https://hackaday.com/2018/07/31/retrotechtacular-apex-radio-the-forgotten-hifi/ | Retrotechtacular: Apex Radio — The Forgotten HiFi | Al Williams | [
"History"
] | [
"apex radio",
"brodcasting",
"retrotechtactular",
"skyscraper radio"
] | Broadcasting has changed a lot in the last few decades. We have satellite radio, internet streaming, HD radio all crowding out the traditional AM and FM bands. FM became popular because the wider channels and the modulation scheme allowed for less static and better sound reproduction. If you’ve never tried to listen to... | 5 | 5 | [
{
"comment_id": "4807907",
"author": "Jan",
"timestamp": "2018-07-31T17:49:14",
"content": "Ahhh… the old, huge 9K2 cabinets are beautiful. Back then a radio was a piece of furniture and was pretty to look at. Now don’t get me wrong, I like the idea of smaller electronics, I simply don’t have the ro... | 1,760,374,275.718834 | ||
https://hackaday.com/2018/07/31/are-patent-claims-coming-for-your-ws2812/ | Are Patent Claims Coming For Your WS2812? | Jenny List | [
"News",
"Slider"
] | [
"addressable led",
"apa102",
"led",
"legal",
"ws2812"
] | There are some components which are used within our sphere so often as to become ubiquitous, referred to by their part number without the need for a hasty dig through a data sheet to remind oneself just what we are talking about. You can rattle a few of them off, the 555, the 741, the ESP8266, and so on.
In the world o... | 115 | 44 | [
{
"comment_id": "4807035",
"author": "CRImier",
"timestamp": "2018-07-31T16:16:35",
"content": "If there’s a Gofundme to cover legal costs or something, let us know. I, for one, haven’t got anything WS-containing from Pimoroni yet, but I know they have quality products that deserve to be available."... | 1,760,374,276.354885 | ||
https://hackaday.com/2018/07/31/the-precise-science-of-whacking-a-wine-glass/ | The Precise Science Of Whacking A Wine Glass | Ben James | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"bitluni",
"bot",
"glass",
"mallet",
"midi"
] | It’s common knowledge that tapping a wine glass produces a pitch which can be altered by adjusting the level of the tipple of choice inside. By filling twelve glasses with different amounts of liquid and tuning them to the twelve notes of the scale, it’s possible to make a one-octave instrument – though the speed and p... | 12 | 7 | [
{
"comment_id": "4805100",
"author": "Jeffo",
"timestamp": "2018-07-31T15:11:16",
"content": "It would be wild if he could connect that to a midi keyboard and play it as a keyboard instrument.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4805666",
... | 1,760,374,275.776591 | ||
https://hackaday.com/2018/07/31/kepler-nears-end-of-epic-journey/ | Kepler Planet Hunter Nears End Of Epic Journey | Tom Nardi | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"Kepler",
"nasa",
"reaction wheel",
"solar wind",
"thruster"
] | The Kepler spacecraft is in the final moments of its life. NASA isn’t quite sure when they’ll say their last goodbye to the space telescope which has confirmed the existence of thousands of exoplanets since its launch in 2009, but most estimates give it a few months at best. The prognosis is simple: she’s out of gas. W... | 50 | 7 | [
{
"comment_id": "4803516",
"author": "Veejerrr",
"timestamp": "2018-07-31T14:35:26",
"content": "Maybe it’ll encounter another alien space probe (Tan Ru’), repair one another, and seek out perfection.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4806541",
... | 1,760,374,275.982061 | ||
https://hackaday.com/2018/07/31/add-on-board-brings-xbox-360-controllers-to-n64/ | Add-On Board Brings Xbox 360 Controllers To N64 | Tom Nardi | [
"classic hacks",
"Games",
"Nintendo Hacks"
] | [
"console modding",
"custom PCB",
"n64",
"nintendo",
"xbox controller"
] | Many of the games released on the Nintendo 64 have aged remarkably well, in fact a number of them are still considered must-play experiences to this day. But the years have not been so kind to the system’s signature controller. While the N64 arguably defined the console first person shooter (FPS) genre with games like ... | 22 | 8 | [
{
"comment_id": "4803064",
"author": "Chuckles (@ChucklesNuts)",
"timestamp": "2018-07-31T11:02:16",
"content": "Why is there nothing like this for ps2? i have had 4 dead ps2 controllers in the past year. its like the ps2 controlers are disintegrating/",
"parent_id": null,
"depth": 1,
"r... | 1,760,374,276.41623 | ||
https://hackaday.com/2018/07/31/building-the-terminators-arm/ | Building The Terminator’s Arm | Lewin Day | [
"classic hacks"
] | [
"machining",
"movie build",
"prop",
"prop build"
] | The Cyberdyne Systems Series 800 Terminator is a highly capable robot that happens to look an awful lot like Arnold Schwarzenegger. It boasts an advanced metallic endoskeleton, which has been the inspiration for many DIY prop builds over the years.
[KenToonz] has decided to take on just such a project and invites viewe... | 11 | 9 | [
{
"comment_id": "4802871",
"author": "Ben Chaosbc",
"timestamp": "2018-07-31T09:25:43",
"content": "Hack with me if you want to live",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4803351",
"author": "TheDarkTiger",
"timestamp": "2018-07-31T13:06:44",
... | 1,760,374,276.028268 | ||
https://hackaday.com/2018/07/30/hands-on-andxor-def-con-26-badge/ | Video Review: AND!XOR DEF CON 26 Badge | Mike Szczys | [
"Featured",
"Reviews",
"Slider"
] | [
"AND!XOR",
"ARG",
"badgelife",
"bender",
"botnet",
"DEF CON",
"defcon",
"DEFCON 26",
"ESP32",
"ESP32-WROVER",
"futurama",
"hardware badge",
"IS31FL3736",
"mesh network",
"SL2102"
] | The AND!XOR team have somehow managed to outdo themselves once again this year. Their
newest unofficial hardware badge for DEF CON 26
just arrived. It’s a delightful creation in hardware, software, and the interactive challenges built into both.
They call this the “Wild West of IoT”, a name that draws from the aestheti... | 9 | 4 | [
{
"comment_id": "4800865",
"author": "Modzer0",
"timestamp": "2018-07-30T16:12:27",
"content": "ESP32 so I give it fifteen minutes before they have automatic wifi deauthing installed. There are other badges using it as well so with so many stations transmitting the wifi spectrum will be even more ch... | 1,760,374,275.88879 | ||
https://hackaday.com/2018/07/30/side-channel-attacks-against-mixed-signal-microcontrollers/ | Side Channel Attacks Against Mixed Signal Microcontrollers | Brian Benchoff | [
"Security Hacks"
] | [
"aes",
"bluetooth",
"screaming circuits",
"Side channel",
"tinyAES"
] | You shouldn’t transmit encryption keys over Bluetooth, but that’s exactly what some popular wireless-enabled microcontrollers are already doing.
This is the idea behind Screaming Channels
, an exploit published by researchers at EUERCOM, and will be a talk at Black Hat next week. So far, the researchers have investigat... | 7 | 4 | [
{
"comment_id": "4799948",
"author": "0xfred",
"timestamp": "2018-07-30T12:21:16",
"content": "Doesn’t mixed signal microcontroller just mean that it handles analog and digital? Maybe “a wireless microcontroller” might be more accurate.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,276.460371 | ||
https://hackaday.com/2018/07/30/amiga-repairs-put-one-tough-little-machine-back-in-service/ | Amiga Repairs Put One Tough Little Machine Back In Service | Dan Maloney | [
"Repair Hacks",
"Retrocomputing"
] | [
"amiga 2000",
"battery",
"electrolyte",
"pcb",
"repair",
"resist",
"restoration",
"socket",
"solder mask"
] | Returning a piece of retro hardware to factory condition is generally a labor of love for the restorationist. A repair, on the other hand, is more about getting a piece of equipment back into service. But the line between repair and restoration is sometimes a fine one, with the goals of one bleeding over into the other... | 8 | 2 | [
{
"comment_id": "4799335",
"author": "Nimajamin",
"timestamp": "2018-07-30T10:31:54",
"content": "Nice job, :) ..it might be beneficial to tin those exposed copper traces with tin solder for long term protection. And as a side note, for longevity of repair, it is sometimes wiser to use a patch wire ... | 1,760,374,276.502718 | ||
https://hackaday.com/2018/07/29/the-nitty-gritty-of-making-a-brass-clock/ | The Nitty-Gritty Of Making A Brass Clock | Jenny List | [
"clock hacks"
] | [
"alarm clock",
"brass clock",
"clock"
] | Among all the timepieces that we feature here at Hackaday, surprisingly we bring you relatively few clocks. That might seem an incomprehensible statement given the plethora of, well,
clocks
, that appear here, but it’s one that hinges upon the
type
of clock. Electronic clocks of extreme skill, complexity, and beauty, y... | 23 | 9 | [
{
"comment_id": "4798111",
"author": "tyler",
"timestamp": "2018-07-30T05:38:20",
"content": "“g’day, Tim from clickspring”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4798128",
"author": "Adam",
"timestamp": "2018-07-30T05:52:49",
... | 1,760,374,276.563016 | ||
https://hackaday.com/2018/07/29/robot-rovers-of-the-early-space-race/ | Robot Rovers Of The Early Space Race | Jenny List | [
"Robots Hacks"
] | [
"jpl",
"nasa",
"robot",
"rover",
"space"
] | In the early 1970s, the American space program was at a high point, having placed astronauts upon the surface of the moon while their Soviet competitors had not taken them beyond an Earth orbit. It is however a simplistic view to take this as meaning that NASA had the lead in all aspects of space exploration, because w... | 3 | 3 | [
{
"comment_id": "4798089",
"author": "MRE",
"timestamp": "2018-07-30T05:08:40",
"content": "ROV-E link goes nowhere",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4798580",
"author": "sigge",
"timestamp": "2018-07-30T08:04:52",
"content": "There’s ... | 1,760,374,276.794173 | ||
https://hackaday.com/2018/07/29/hackaday-links-july-29-2018/ | Hackaday Links: July 29, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"KiCAD",
"mergers and acquisitions",
"nxp",
"PoC || GTFO",
"qualcomm",
"stepper",
"ustepper"
] | Another holy scroll for the Church of Robotron. PoC || GTFO is a semi-annual journal of hardware exploitation, and something you
must
read. About a year ago,
No Starch Press released the first Bible of PoC || GTFO
, and now it’s time for a new testament.
PoC || GTFO Volume 2
is out now, covering
Elegies of the Second C... | 17 | 4 | [
{
"comment_id": "4797526",
"author": "CE",
"timestamp": "2018-07-30T02:35:18",
"content": "The name PoC: GTFO is unintentionally hilarious.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4800845",
"author": "vat",
"timestamp": "2018-07-30T16:... | 1,760,374,276.749682 | ||
https://hackaday.com/2018/07/29/vampire-charger-is-a-rugged-anything-to-5vdc-converter/ | Vampire Charger Is A Rugged Anything-to-5VDC Converter | Donald Papp | [
"green hacks",
"hardware",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"5v",
"disaster",
"emergency",
"emergency power",
"power conversion",
"Power Harvesting",
"usb",
"vampire"
] | USB sockets providing 5 VDC are so ubiquitous as a power source that just about any piece of modern portable technology can use them to run or charge. USB power is so common, in fact, that it’s easy to take for granted. But in an emergency or in the wake of a disaster, a working cell phone or GPS can be a life saver an... | 43 | 9 | [
{
"comment_id": "4796149",
"author": "spiritplumber",
"timestamp": "2018-07-29T20:02:54",
"content": "If you’re wondering about the arduino nano there: it’s temporary. i’m going to set this up so that it uses a few LM324s as comparators instead. cheaper power wise.sorry!",
"parent_id": null,
... | 1,760,374,276.698287 | ||
https://hackaday.com/2018/07/29/flexible-pcb-becomes-the-actuator/ | Flexible PCB Becomes The Actuator | Jenny List | [
"classic hacks",
"Robots Hacks"
] | [
"coil gun",
"flex PCB",
"flexible PCB",
"magnet"
] | An electromagnetic coil gun takes a line of electromagnets working together to form a moving electromagnetic field. These fields accelerate a project and boom, you have electricity moving matter, often at an impressive rate of speed.
[Carl Bugeja] has taken the idea and in a sense turned it upon its head with his
flexi... | 13 | 5 | [
{
"comment_id": "4795756",
"author": "Bill Richman",
"timestamp": "2018-07-29T18:23:15",
"content": "“These fields accelerate a project and boom”. So it lobs a failed build out the window at supersonic speeds? Certainly a worthwhile endeavor…",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,374,276.615122 | ||
https://hackaday.com/2018/07/29/1950s-am-transmitter-is-fun-but-dangerous/ | 1950’s AM Transmitter Is Fun But Dangerous | Al Williams | [
"classic hacks",
"Radio Hacks"
] | [
"globe scout",
"ham radio"
] | [Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting to see how much things have changed over the years. The transmitter is huge but has comparatively few parts. You needed a cr... | 39 | 11 | [
{
"comment_id": "4794888",
"author": "dr.rockzo",
"timestamp": "2018-07-29T14:51:02",
"content": "Well there was a time when men were men and expected to exercise common sense…those who failed to do so were removed from the gene pool.Alas those days are behind us…",
"parent_id": null,
"depth... | 1,760,374,277.077683 | ||
https://hackaday.com/2018/07/29/turning-a-tile-into-a-car-tracker/ | Turning A Tile Into A Car Tracker | Steven Dufresne | [
"Transportation Hacks"
] | [
"bluetooth LE",
"car tracker",
"TILE",
"tiles",
"tracker"
] | A Tile is a small Bluetooth device which you can put on your keychain, for example, so that you can find your keys using an app on your phone. Each Tile’s battery life expectancy is one year and after that year you’re expected to trade it in at a discount for a new one. Right away your hacker senses are tingling and yo... | 40 | 18 | [
{
"comment_id": "4794250",
"author": "Erik Wessing",
"timestamp": "2018-07-29T12:02:26",
"content": "Wait…to TRACK his WIFE’S CAR?!Creepy much?!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4801027",
"author": "Maave",
"timestamp": "2018-07... | 1,760,374,277.311326 | ||
https://hackaday.com/2018/07/29/this-clock-is-hard-no-arduino-needed/ | This Clock Is Hard: No Arduino Needed | Al Williams | [
"clock hacks"
] | [
"clock",
"hard drive",
"upcycle"
] | You always hear that people talk about the weather. But it seems to us we see more clocks than we do weather stations. A case in point is [frank_scholl’s] clock made from an
old hard drive
. We found it interesting that the clock has no microcontroller at all. The custom PCB is all digital and uses the line frequency t... | 23 | 6 | [
{
"comment_id": "4793487",
"author": "kadeautip",
"timestamp": "2018-07-29T08:30:22",
"content": "Regarding the logic symbols; They are the ‘Modern’ symbols for logic gates, See:https://en.wikipedia.org/wiki/Logic_gate#SymbolsMost people still use the older symbols whereas the newer symbols had to b... | 1,760,374,277.001777 | ||
https://hackaday.com/2018/07/28/h2go-keeps-us-from-drying-out/ | H2gO Keeps Us From Drying Out | Brian McEvoy | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"3d printed cast",
"arduino",
"cast",
"hardware",
"health",
"hydration",
"mold",
"reminder",
"silicone",
"single-purpose",
"software",
"water"
] | The scientific community cannot always agree on how much water a person needs in a day, and since we are not Fremen, we should give it more thought than we do. For many people, remembering to take a sip now and then is all we need and the
H2gO is built to remind
[Angeliki Beyko] when to reach for the water bottle. A ki... | 19 | 5 | [
{
"comment_id": "4792745",
"author": "Megac",
"timestamp": "2018-07-29T05:51:16",
"content": "Its almost as if these people think our bodies have no system what so ever to signal if we need water…. hmm. Scientists can be complete morons sometimes.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,277.136668 | ||
https://hackaday.com/2018/07/28/the-apocalypse-bicycle/ | The Apocalypse Bicycle | Jenny List | [
"Transportation Hacks"
] | [
"apocalypse",
"bicycle",
"cycling"
] | It seems to be a perennial among humans, the tendency among some to expect the End Times. Whether it was mediaeval Europeans who prepared for a Biblical Armageddon at the first sight of an astronomical phenomenon, 19th-century religious sects busy expecting a Noah’s flood, cold-war survivalists with bunkers under the l... | 66 | 18 | [
{
"comment_id": "4792209",
"author": "Jeff Faust",
"timestamp": "2018-07-29T02:20:33",
"content": "This guy lost me at “solid rubber tires.” I regularly ride a loaded cargo bike through the city, not unlike the situations he envisions, and my Schwalbe Marathons haven’t failed me yet. Good old-fashio... | 1,760,374,277.452366 | ||
https://hackaday.com/2018/07/28/become-the-rockstar-developer-youve-always-dreamed-of-being/ | Become The Rockstar Developer You’ve Always Dreamed Of Being | Jenny List | [
"Software Development"
] | [
"programming",
"programming language",
"rocksrar"
] | If you have ever worked in software-related industries, the chances are that the word “Rockstar” will elicit a visceral reaction. It’s a word used by a Certain Type Of Manager for an elite software developer who’s so 1337 they don’t play by the rules of ordinary mortals. In reality it’s use is invariably an indication ... | 6 | 5 | [
{
"comment_id": "4792581",
"author": "Ostracus",
"timestamp": "2018-07-29T05:08:22",
"content": "“Esoteric languages have featured before here, but they have usually been far more challenging ones.”Apparently none following the conventions of, hillbilly.",
"parent_id": null,
"depth": 1,
... | 1,760,374,277.355923 | ||
https://hackaday.com/2018/07/30/vintage-silvertone-cabinet-gets-bluetooth-treatment/ | Vintage Silvertone Cabinet Gets Bluetooth Treatment | Steven Dufresne | [
"classic hacks"
] | [
"amplifier",
"antique radio",
"bluetooth speaker",
"dead bug",
"Manhattan Style",
"vintage radio"
] | This Bluetooth speaker is full of delightful surprises. The outer shell is an antique radio cabinet, but its practically empty interior is a combination of Dead Bug circuitry and modern BT receiver.
[PJ Allen] found the BT receiver on Groupon and decided to whip up amplifier and threshold detector circuits using only p... | 7 | 6 | [
{
"comment_id": "4802543",
"author": "kak",
"timestamp": "2018-07-31T05:28:31",
"content": "a generic in game radio as imagined IRL..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4803025",
"author": "hannes",
"timestamp": "2018-07-31T10:43:05",
"... | 1,760,374,277.557827 | ||
https://hackaday.com/2018/07/30/a-crystal-oscillator-for-a-stable-bench-reference/ | A Crystal Oscillator For A Stable Bench Reference | Al Williams | [
"hardware"
] | [
"binary counter",
"CD4060B",
"oscillator",
"watch crystal"
] | [Paul] likes a precise oscillator.
His recent video shows a crystal oscillator
with a “watch crystal” and a CMOS counter, the CD4060. Using such a circuit can produce very stable frequencies and since the 32.768 kHz crystal is a power of 2, you get nice divisions out of the counter.
We’ve seen the same trick done with ... | 20 | 10 | [
{
"comment_id": "4802344",
"author": "Simon",
"timestamp": "2018-07-31T02:34:54",
"content": "So he bought an off-the-shelf board and used it for its intended application. Awesome hack!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4802375",
"author... | 1,760,374,277.510827 | ||
https://hackaday.com/2018/07/30/light-painting-animations-directly-from-blender/ | Light Painting Animations Directly From Blender | Ben James | [
"Arduino Hacks",
"digital cameras hacks",
"LED Hacks"
] | [
"animation",
"arduino",
"automate",
"blender",
"defaultio",
"Josh Sheldon",
"led",
"light painting",
"stepper"
] | Light painting: there’s something that never gets old about waving lights around in a long exposure photo. Whilst most light paintings are single shots, some artists painstakingly create frame-by-frame animations. This is pretty hard to do when moving a light around by hand: it’s mostly guesswork, as it’s difficult to ... | 15 | 9 | [
{
"comment_id": "4802205",
"author": "e",
"timestamp": "2018-07-31T00:32:24",
"content": "What an amazing combination of technical ingenuity and artistic flair. Respect.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4811891",
"author": "RFP-A",
... | 1,760,374,277.658891 | ||
https://hackaday.com/2018/07/30/incredible-3d-printed-overwatch-airsoft-pistol/ | Incredible 3D Printed Overwatch Airsoft Pistol | Tom Nardi | [
"Games",
"Weapons Hacks"
] | [
"airsoft",
"bb",
"Overwatch",
"prop",
"ultraviolet"
] | If you ever needed evidence that gamers are some of the most dedicated individuals in all of fandom, then look no further than this fantastic 3D printed recreation of the “Pulse Pistol” as featured in the immensely popular “
Overwatch”.
Built by the guys at [Danger Doc], this replica doesn’t just look the part, it’s al... | 4 | 4 | [
{
"comment_id": "4802277",
"author": "Jeremy S Cook",
"timestamp": "2018-07-31T01:29:21",
"content": "Wow, pretty neat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4802383",
"author": "Dave Davidson",
"timestamp": "2018-07-31T03:32:29",
"content... | 1,760,374,277.603015 | ||
https://hackaday.com/2018/07/30/flat-pack-generators/ | Flat Pack Generators | Brian Benchoff | [
"green hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"brushless",
"brushless motor",
"generator",
"Wind turbine"
] | We just wrapped up the Power Harvesting challenge in the Hackaday Prize, and with that comes some solutions to getting power in some very remote places. [Vijay]’s project is one of the best, because his project is getting power in Antarctica. This is a difficult environment: you don’t have the sun for a significant par... | 11 | 7 | [
{
"comment_id": "4801240",
"author": "CaptMcAllister",
"timestamp": "2018-07-30T18:47:36",
"content": "Is there a chart of windspeed vs. power somewhere? I wasn’t able to easily find any results of the testing on the project page.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,277.708967 | ||
https://hackaday.com/2018/07/30/hands-on-with-new-arduino-fpga-board-mkr-vidor-4000/ | Hands-On With New Arduino FPGA Board: MKR Vidor 4000 | Al Williams | [
"Arduino Hacks",
"FPGA",
"Hackaday Columns",
"Slider"
] | [
"arduino",
"fpga",
"mkr 4000"
] | Hackaday brought you
a first look the Arduino MKR Vidor 4000
when it announced. Arduino sent over one of the first boards so now we finally have our hands on one! It’s early and the documentation is still a bit sparse, but we did get it up and running to take the board through some hello world exercises. This article w... | 60 | 20 | [
{
"comment_id": "4800993",
"author": "Ostracus",
"timestamp": "2018-07-30T17:15:35",
"content": "Nice, now all I need to find is a router with a mini-PCI express connector.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4801229",
"author": "andarb",
... | 1,760,374,278.030525 | ||
https://hackaday.com/2018/07/30/a-stereo-tube-amp-for-less-than-5/ | A Stereo Tube Amp For Less Than $5 | Ben James | [
"digital audio hacks",
"Repair Hacks",
"Teardown"
] | [
"audio",
"grundig",
"restoration",
"stereo",
"The Post Apocalyptic Inventor",
"tpai",
"tube",
"valve"
] | Many of us have aspirations of owning a tube amp. Regardless of the debate on whether or not tube audio is nicer to listen to, or even if you can hear the difference at all, they’re gorgeous to look at. However, the price of buying one to find out if it floats your boat is often too high to justify a purchase.
A motor ... | 21 | 11 | [
{
"comment_id": "4800796",
"author": "Ostracus",
"timestamp": "2018-07-30T15:39:18",
"content": "” Firstly, an integrated motor transformer — an induction motor whose stator acts as the magnetic core of the transformer responsible for the tube electronics. ”That in itself is interesting. When a hack... | 1,760,374,277.924691 | ||
https://hackaday.com/2018/07/28/the-undead-remote/ | The Undead Remote | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"flashlight",
"remote",
"white led"
] | In the very late 1990s, something amazing was invented. White LEDs. These magical pieces of semiconductors first became commercially available in 1996, and by the early 2000s, you could buy a single 5mm white LED for less than a dollar in quantity one. A year or two later, an astonishing product showed up on infomercia... | 30 | 12 | [
{
"comment_id": "4790148",
"author": "Daniel",
"timestamp": "2018-07-28T20:07:42",
"content": "And as a “hidden” feature; You aren’t couch to lose this one in the couch",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4790952",
"author": "purplepeoplea... | 1,760,374,278.093253 | ||
https://hackaday.com/2018/07/28/save-some-steps-with-this-arduino-rapid-design-board/ | Save Some Steps With This Arduino Rapid Design Board | Dan Maloney | [
"Arduino Hacks"
] | [
"adc",
"arduino",
"breakout",
"castellated",
"development board",
"gpio",
"pcb",
"SAMD21"
] | We’re all familiar with the wide variety of Arduino development boards available these days, and we see project after project wired up on a Nano or an Uno. Not that there’s anything wrong with that, of course, but there comes a point where some hobbyists want to move beyond plugging wires into header sockets and build ... | 18 | 10 | [
{
"comment_id": "4789349",
"author": "d0brad0bra",
"timestamp": "2018-07-28T17:28:05",
"content": "I like the idea. SAMD21 is a really nice uC and good next step after ATmega328. What I can’t understand though is why there is so little cheap boards with this chip. Adafruit uses them a lot, but on Al... | 1,760,374,278.149081 | ||
https://hackaday.com/2018/07/28/a-mobile-computer-to-make-william-gibson-jealous/ | A Mobile Computer To Make William Gibson Jealous | Tom Nardi | [
"Cyberdecks",
"Virtual Reality"
] | [
"18650",
"cyberdeck",
"FPV",
"head mounted display",
"Intel NUC"
] | The personal computers in science fiction books, movies, and games are way cooler than the dinky pieces of hardware we’re stuck with in the real world. Granted the modern laptop has a bit more style than the beige boxes of yesteryear, but they still aren’t half as l33t as the custom PowerBooks in
Hackers
. Luckily for ... | 21 | 6 | [
{
"comment_id": "4788715",
"author": "starhawk",
"timestamp": "2018-07-28T16:04:43",
"content": "Ooh, this is cool. Similar form factor to my DIY laptop builds… but better. Kudos for including a battery — I have not, in mine — it’s easier to work out how to live without, than to figure out how to wi... | 1,760,374,278.367815 | ||
https://hackaday.com/2018/07/28/the-4-z80-single-board-computer-evolved/ | The $4 Z80 Single-Board Computer, Evolved. | Jenny List | [
"computer hacks"
] | [
"SBC",
"z80",
"z80 sbc",
"z80 single board computer"
] | We feature hundreds of projects here at Hackaday, and once they have passed by our front page and disappeared into our archives we often have no opportunity to return to them and see how they developed. Sometimes of course they are one-off builds, other times they wither as their creator loses interest, but just occasi... | 33 | 13 | [
{
"comment_id": "4787000",
"author": "Michiel",
"timestamp": "2018-07-28T11:36:03",
"content": "Would it be possible to use it as an MSX?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4790754",
"author": "Alexandre Souza",
"timestamp": "2018... | 1,760,374,278.216823 | ||
https://hackaday.com/2018/07/28/why-have-only-one-radio-when-you-can-have-two/ | Why Have Only One Radio, When You Can Have Two? | Jenny List | [
"Radio Hacks"
] | [
"arduino",
"bluetooth",
"ESP8266",
"LoRa",
"wireless",
"xbee"
] | There are a multitude of radio shields for the Arduino and similar platforms, but they so often only support one protocol, manufacturer, or frequency band. [
Jan Gromeš
] was vexed by this in a project he saw, so decided to create
a shield capable of supporting multiple different types
. And because more is so often be... | 4 | 2 | [
{
"comment_id": "4787149",
"author": "jafinch78",
"timestamp": "2018-07-28T11:58:42",
"content": "Neat and cost effective. You can even add a GSM/GPRS shield for some quad band GSM action along with hacking on a CDMA/TDAM/FDMA module that can be found though not specifically that I’ve seen for the ... | 1,760,374,278.407729 | ||
https://hackaday.com/2018/07/27/building-an-sdr-lab-with-wheels/ | Building An SDR Lab With Wheels | Tom Nardi | [
"car hacks",
"Radio Hacks",
"Tablet Hacks"
] | [
"ads-b",
"Gpredict",
"scanner",
"sdr",
"trunked"
] | With the incredibly low cost of software defined radio (SDR) hardware, and the often
zero
cost of related software, there’s never been a better time to get into the world of radio. If you’ve got $30 burning a hole in your pocket, you’re good to go. But as with any engrossing hobby that’s cheap to get into, you run the ... | 11 | 4 | [
{
"comment_id": "4784982",
"author": "==",
"timestamp": "2018-07-28T05:05:55",
"content": "trunked radio…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4785598",
"author": "jcwren",
"timestamp": "2018-07-28T08:24:05",
"content": "I s... | 1,760,374,278.460662 | ||
https://hackaday.com/2018/07/27/screaming-channels-attack-rf-security/ | Screaming Channels Attack RF Security | Al Williams | [
"Security Hacks",
"Wireless Hacks"
] | [
"bluetooth",
"cybersecurity",
"tempest",
"wireless security"
] | As long as there has been radio, people have wanted to eavesdrop on radio transmissions. In many cases, it is just a hobby activity like listening to a scanner or monitoring a local repeater. But in some cases, it is spy agencies or cyberhackers. [Giovanni Camurati] and his colleagues have been working on a slightly di... | 15 | 4 | [
{
"comment_id": "4785585",
"author": "Dan",
"timestamp": "2018-07-28T08:22:43",
"content": "Security decisions are often a compromise. I use a fingerprint because I’m more at risk from shoulder-surfing by the kids than someone serious enough to print fake fingerprints.",
"parent_id": null,
"... | 1,760,374,278.50956 | ||
https://hackaday.com/2018/07/27/self-vacuuming-lego-box-makes-life-better/ | Self-Vacuuming LEGO Box Makes Life Better | Steven Dufresne | [
"Toy Hacks"
] | [
"lego",
"lego vacuum",
"vacuum"
] | The last chapter of the fourth book of the
Hitch-Hiker’s Guide to the Galaxy
trilogy mentions two hacks that made life pleasant enough to prevent a war: a super-fly that could fly out of the open half of a half-open window, and an off-switch for children. This is one of those types of hacks. Plus, it’s just an awesome ... | 16 | 9 | [
{
"comment_id": "4784246",
"author": "matt k",
"timestamp": "2018-07-27T23:08:36",
"content": "nit picking here, but the cornstarch isn’t just to prevent the cured mix from remaining sticky. It also allows the silicone to cure quickly throughout. Without the cornstarch, the inside of any thick sil... | 1,760,374,278.566324 | ||
https://hackaday.com/2018/07/27/custom-attiny85-board-powers-kids-light-show/ | Custom ATTiny85 Board Powers Kids’ Light Show | Tom Nardi | [
"3d Printer hacks",
"ATtiny Hacks",
"LED Hacks"
] | [
"attiny85",
"kids",
"led",
"neopixel",
"nightlight"
] | We’ve often said that kids with hackers and makers for parents must be some of the luckiest kids in the world. While all the other children have to settle for some mass produced drivel from
Toys“R”Us
Amazon, they’ve got some of the most thoughtfully engineered and built toys and gadgets on the planet. After all, there’... | 4 | 3 | [
{
"comment_id": "4783988",
"author": "BillSF9c",
"timestamp": "2018-07-27T20:37:12",
"content": "Fancy stuff is neat, but simplicity is literally awesome when well done. Kudos for KISS!Now we need someone to make strip solar cells. After all, a star should really be, solar powered… charging up from... | 1,760,374,278.613106 | ||
https://hackaday.com/2018/07/27/micro-organisms-give-up-the-volts-in-this-biological-battery/ | Micro-Organisms Give Up The Volts In This Biological Battery | Donald Papp | [
"chemistry hacks",
"green hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printed",
"battery",
"biology",
"Chemistry",
"fuel cell",
"photosynthesis",
"phytoplankton",
"plankton"
] | Battery cells work by chemical reactions, and the fascinating
Hybrid Microbial Fuel Cell
design by [Josh Starnes] is no different. True, batteries don’t normally contain
life
, but the process coughs up useful electrons all the same; 1.7 V per cell in [Josh]’s design, to be precise. His proof of concept consists of eig... | 18 | 8 | [
{
"comment_id": "4783875",
"author": "Jerry",
"timestamp": "2018-07-27T19:15:31",
"content": "Think of the microbes",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4784232",
"author": "Mechanicus",
"timestamp": "2018-07-27T22:47:20",
"... | 1,760,374,278.671645 | ||
https://hackaday.com/2018/07/27/circuit-vr-an-almost-practical-buck-converter/ | Circuit VR: An (Almost) Practical Buck Converter | Al Williams | [
"Hackaday Columns",
"Skills"
] | [
"buck converter",
"LTSpice",
"pwm",
"simulation",
"smps",
"switching power supply"
] | In the
last installment
of Circuit VR, we walked around a simplified buck converter. The main simplification was using a constant PWM signal. The result is that the output voltage is a fixed fraction of the input voltage. For a regulator, the pulse width will need to depend on the output voltage so that any changes in ... | 9 | 5 | [
{
"comment_id": "4783859",
"author": "James Lawson",
"timestamp": "2018-07-27T19:01:40",
"content": "Needs a compensator! that would be the logical next step.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4783904",
"author": "Lord Nothing",
"timestamp... | 1,760,374,278.727788 | ||
https://hackaday.com/2018/07/27/animatronic-puppet-takes-cues-from-animation-software/ | Animatronic Puppet Takes Cues From Animation Software | Steven Dufresne | [
"Arduino Hacks"
] | [
"animation",
"animatronics",
"arduino",
"lip sync",
"stop motion"
] | Lip syncing for computer animated characters has long been simplified. You draw a set of lip shapes for vowels and other sounds your character makes and let the computer interpolate how to go from one shape to the next. But with physical, real world puppets, all those movements have to be done manually, frame-by-frame.... | 8 | 7 | [
{
"comment_id": "4783232",
"author": "Craig Gundlach (@craiggundlach)",
"timestamp": "2018-07-27T15:36:14",
"content": "Wow I finally see ActionScript 3.0 on HAD!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4783241",
"author": "Crener",
"timestamp":... | 1,760,374,278.799088 | ||
https://hackaday.com/2018/07/27/the-hot-and-cold-of-balanced-audio/ | The Hot And Cold Of Balanced Audio | Dan Maloney | [
"digital audio hacks",
"Engineering",
"Featured",
"Interest",
"Slider"
] | [
"amplifier",
"audio",
"balanced",
"balun",
"concert",
"differential",
"microphone",
"mixer",
"op-amp",
"phantom power",
"pro audio",
"sound reinforcement",
"unbalanced",
"xlr"
] | A few summers of my misspent youth found me working at an outdoor concert venue on the local crew. The local crew helps the show’s technicians — don’t call them roadies; they hate that — put up the show. You unpack the trucks, put up the lights, fly the sound system, help run the show, and put it all back in the trucks... | 45 | 11 | [
{
"comment_id": "4783139",
"author": "spiritplumber",
"timestamp": "2018-07-27T14:30:03",
"content": "And this is why industrial stuff still uses RS422 for data a lot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4783219",
"author": "rumpel",
... | 1,760,374,278.883637 | ||
https://hackaday.com/2018/07/27/share-bike-surrenders-its-secrets-to-a-teardown/ | Share Bike Surrenders Its Secrets To A Teardown | Jenny List | [
"Transportation Hacks"
] | [
"lisocl2",
"lithium thionyl chloride",
"ofo",
"share bike"
] | If you are fortunate enough to live in a tiny settlement of no significance then perhaps you will be a stranger to bike sharing services. In many cities, these businesses have peppered the streets with bicycles secured by electronic locks for which the “open sesame” command comes through a Bluetooth connection and an a... | 67 | 14 | [
{
"comment_id": "4782946",
"author": "Justin",
"timestamp": "2018-07-27T11:08:48",
"content": "Because cities are the only places that matter, tiny settlements are of no significance at all. ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4782970",
... | 1,760,374,279.144025 | ||
https://hackaday.com/2018/07/26/this-cetus-printer-is-rigged-for-silent-running/ | This Cetus Printer Is Rigged For Silent Running | Dan Maloney | [
"3d Printer hacks"
] | [
"Cetus",
"decibels",
"extruder",
"fan",
"limit switches",
"stepper",
"Trinamic"
] | The entry-level 3D-printer market is a rich one, with offerings from many vendors that are surprisingly good. But nothing is perfect, and to hit the $200 price point some compromises are inevitable. That doesn’t mean you have to live with those engineering choices, of course, which makes these cheap printers a great ju... | 9 | 4 | [
{
"comment_id": "4777457",
"author": "Spacedog",
"timestamp": "2018-07-26T16:10:11",
"content": "v nice design, trinamic drivers have pushed things forward in 3D printing this year. not only to they run quiet, but also eliminate endstops and home switches, greatly simplifing the design.",
"paren... | 1,760,374,279.191973 | ||
https://hackaday.com/2018/07/26/working-on-a-startup-new-fund-is-building-portfolio-from-hard-technology/ | Working On A Startup? New Fund Is Building Portfolio From Hard Technology | Mike Szczys | [
"News"
] | [
"Avidan Ross",
"Root Ventures",
"Seed Funding",
"silicon valley",
"startup",
"vc"
] | Root Ventures
just announced it has raised a second fund and is in search of startups to invest the $76,726,900 they now have burning a hole on their balance sheet. Their first fund of $31,415,926.53 went to some very cool hardware companies like Shaper, Particle, Plethora, and Prynt. For those keeping score, the first... | 35 | 10 | [
{
"comment_id": "4777491",
"author": "Valerio",
"timestamp": "2018-07-26T16:38:15",
"content": "Isn’t speed of sound 343 m/s? Oh, I see…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4779446",
"author": "TGT",
"timestamp": "2018-07-26T23:34:... | 1,760,374,279.336495 | ||
https://hackaday.com/2018/07/26/radar-in-space-the-gemini-rendezvous-radar/ | Radar In Space: The Gemini Rendezvous Radar | Dan Maloney | [
"Featured",
"Slider",
"Space"
] | [
"antenna",
"apollo",
"docking",
"gemini",
"phase",
"radar",
"range",
"rate",
"rendezvous",
"space program",
"transponder"
] | In families with three kids, the middle child always seems to get the short end of the stick. The first child gets all the attention for reaching every milestone first, and the third child will forever be the baby of the family, and the middle child gets lost in-between. Something similar happened with the U.S. manned ... | 37 | 9 | [
{
"comment_id": "4777326",
"author": "Truth",
"timestamp": "2018-07-26T14:29:14",
"content": "I read the article thinking “I wonder what frequencies they used and how much power”. In case anyone else was pondering the same questions:Rendezvous radar Tx: Pulse repetition frequency of 250Hz, 1150 W (~... | 1,760,374,279.521038 | ||
https://hackaday.com/2018/07/26/grbl-ported-to-the-esp32/ | Grbl Ported To The ESP32 | Tom Nardi | [
"cnc hacks",
"Microcontrollers"
] | [
"cnc",
"ESP32",
"grbl",
"RTOS"
] | If you’re building a CNC or laser, there’s an excellent chance you’ll be using Grbl to get moving. It’s also a pretty safe bet you’d end up running it on some variation of the Arduino sitting in a motor controller breakout board. It’s cheap, easy to setup and use, and effectively the “industry” standard for DIY machine... | 32 | 12 | [
{
"comment_id": "4777085",
"author": "Robert Mateja",
"timestamp": "2018-07-26T11:21:31",
"content": "GRBL developer recently stated that his ARM port is just around corner.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4777105",
"author": "Jimf",
... | 1,760,374,279.265282 | ||
https://hackaday.com/2018/07/26/data-logging-like-its-1982/ | Data Logging Like It’s 1982 | Brian Benchoff | [
"classic hacks"
] | [
"DataLogging",
"gpib",
"HP-IB",
"IEEE-448",
"multimeter"
] | If you want to log voltages or resistance these days, no problem. You can buy a multimeter with Bluetooth for a hundred bucks, and if you’re really fancy you can spring for the Fluke with a graphical display that will log values automatically. Things weren’t always this cheap and easy, but there was always a way to do ... | 26 | 8 | [
{
"comment_id": "4777013",
"author": "Jan",
"timestamp": "2018-07-26T09:26:10",
"content": "ehhhhmmmm… at 1:36 he says “the commodore PET is really not that great”Why would he say that… I guess he really meant “not that great for doing these kind of things”… he must have… yeah…",
"parent_id": nu... | 1,760,374,279.640397 | ||
https://hackaday.com/2018/07/25/talking-to-alexa-with-sign-language/ | Talking To Alexa With Sign Language | Richard Baguley | [
"computer hacks"
] | [
"ASL",
"learning",
"machine",
"tensorflow"
] | As William Gibson once noted, the future is already here, it just isn’t equally distributed. That’s especially true for those of us with disabilities. [Abishek Singh] wanted to do something about that, so he created
a way for the hearing-impaired to use Amazon’s Alexa voice service
. He did this using a TensorFlow deep... | 19 | 8 | [
{
"comment_id": "4776958",
"author": "Nitpicker Smartyarse",
"timestamp": "2018-07-26T07:01:50",
"content": "Hmmm … this is confusing.I personally know hearing-impaired people who have learned to talk. So this does not seem to be a criterium. Why would you need to first create a speech output from s... | 1,760,374,279.572779 | ||
https://hackaday.com/2018/07/25/gta-san-andreas-radio-earns-six-star-wanted-level/ | GTA: San Andreas Radio Earns Six-Star Wanted Level | Kristina Panos | [
"Raspberry Pi"
] | [
"Grand Theft Auto",
"python",
"raspberry pi",
"Raspberry Pi 3",
"rotary encoder"
] | [Raphaël Yancey] wanted to be able to jam to Bounce FM and Radio:X all the time, without having to steal a car or a street sweeper in San Andreas. As people who like to put on the sad piano building music from The Sims and write Hackaday posts, we can totally relate.
But this isn’t just another one of those jam-a-Pi-in... | 14 | 7 | [
{
"comment_id": "4776441",
"author": "metai",
"timestamp": "2018-07-26T02:28:34",
"content": "From his blog:“I’d have gladly used an Arduino-like (…) But to play tens of files at the same time requires some guts so I settled on the Raspberry Pi single-board computer.”While straightforward, it feels ... | 1,760,374,281.289612 | ||
https://hackaday.com/2018/07/27/esp8266-internet-controlled-led-dimmer/ | ESP8266 Internet Controlled LED Dimmer | Tom Nardi | [
"home hacks",
"LED Hacks",
"Microcontrollers"
] | [
"ESP8266",
"home automation",
"IoT",
"led",
"lighting"
] | There’s no shortage of debate about the “Internet of Things”, largely centered on security and questions about how much anyone really
needs
to be able to turn on their porch light from the other side of the planet. But while many of us are still wrestling with the realistic application of IoT gadgets, there’s undoubted... | 11 | 3 | [
{
"comment_id": "4782374",
"author": "electrobob",
"timestamp": "2018-07-27T08:28:53",
"content": "Pleasantly surprised to see a proper LED PWM driver not the software one. For simpler hardware however, the ESP32 has proper hardware PWM channels. Couple it with logic level NMOS and a few more compon... | 1,760,374,281.458419 | ||
https://hackaday.com/2018/07/26/couch-potato-refined-self-rotating-tv-uses-plywood-gears/ | Couch Potato Refined: Self-Rotating TV Uses Plywood Gears | Al Williams | [
"Robots Hacks"
] | [
"gear",
"gears",
"rotation",
"tv"
] | When we first saw [Mikeasaurus’] project to
rotate his TV 90 degrees
in case he wanted to lay down and channel surf we were ready to be unimpressed. But it grew on us as we read about how he fabricated his own gearing system to make a car seat motor rotate the TV.
The gearing system is made from plywood and the design ... | 20 | 9 | [
{
"comment_id": "4781125",
"author": "james",
"timestamp": "2018-07-27T05:07:15",
"content": "automatic switching from portrait to landscape mode for MAME arcade machines",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4781321",
"author": "CMH62",
"time... | 1,760,374,281.344954 | ||
https://hackaday.com/2018/07/26/shining-a-light-on-hearing-loss/ | Shining A Light On Hearing Loss | Brian McEvoy | [
"Laser Hacks",
"Medical Hacks"
] | [
"auditory",
"brain",
"cochlear",
"Cochlear Implant",
"hearing",
"laser",
"light",
"listen",
"optogenetics",
"rehabilitation"
] | When auditory cells are modified to receive light, do you see sound, or hear light? To some
trained gerbils at University Medical Center Göttingen, Germany
under the care of [Tobias Moser], the question is moot. The gerbils were instructed to move to a different part of their cage when administrators played a sound, an... | 16 | 6 | [
{
"comment_id": "4780495",
"author": "steve",
"timestamp": "2018-07-27T02:31:23",
"content": "This is all very nice, but coming from the field, there is a huge issue with this kind of research: Current CIs work! They are based on electrical stimulation and users are generally happy. They often fail ... | 1,760,374,281.710265 | ||
https://hackaday.com/2018/07/26/dual-port-memory-and-raspberry-pi-team-up-for-retro-console-multicart/ | Dual-Port Memory And Raspberry Pi Team Up For Retro Console Multicart | Dan Maloney | [
"Retrocomputing",
"Slider"
] | [
"Atari 5200",
"cartridge",
"dual port",
"gaming",
"multicartridge",
"retro",
"rom"
] | There’s something powerful about reliving the experience of using a game console from our personal good old days, especially the tactile memories stored up from hundreds of hours handling a chintzy joystick or the sound and feel of inserting a game cartridge. Emulators have their place, but they fall far short of perio... | 24 | 7 | [
{
"comment_id": "4779348",
"author": "Gravis",
"timestamp": "2018-07-26T23:25:35",
"content": "Oh wow, the Atari 5200 homebrew scene is going to be all a twitter about this! ;P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4779768",
"author": "Eric ... | 1,760,374,281.406251 | ||
https://hackaday.com/2018/07/26/an-mri-safe-3d-printed-pneumatic-stepper-motor/ | An MRI-Safe 3D Printed Pneumatic Stepper Motor | Tom Nardi | [
"3d Printer hacks",
"Medical Hacks"
] | [
"abs",
"mri",
"pneumatic",
"pneumatic actuators",
"stepper"
] | You will no doubt have seen those videos where MRI machines suck up all sorts of metallic objects with hilariously disastrous results. The magnetic field in one of these machines can easily pull in metal objects from across the room, exerting a force of several hundred pounds on any ferrous object unlucky enough to wan... | 33 | 10 | [
{
"comment_id": "4778216",
"author": "Mark Szymanski",
"timestamp": "2018-07-26T20:15:23",
"content": ">it’s truly all printed. It has to be, or else the whole thing would be ripped apart when it got to close to the MRI machineNon-ferrous metals do, in fact, exist…",
"parent_id": null,
"dept... | 1,760,374,281.781144 | ||
https://hackaday.com/2018/07/26/bringing-augmented-reality-to-the-workbench/ | Bringing Augmented Reality To The Workbench | Donald Papp | [
"The Hackaday Prize",
"Video Hacks"
] | [
"2018 Hackaday Prize",
"ar",
"augmented reality",
"camera",
"electronics workbench",
"machine vision",
"projector"
] | [Ted Yapo] has big ideas for
using Augmented Reality as a tool to enhance an electronics workbench
. His concept uses a camera and projector system working together to detect objects on a workbench, and project information onto and around them. [Ted] envisions virtual displays from DMMs, oscilloscopes, logic analyzers,... | 12 | 5 | [
{
"comment_id": "4778156",
"author": "butter fly",
"timestamp": "2018-07-26T20:01:51",
"content": "Seems like this would be a whole lot easier and 90% as useful if he ditched the projector stuff and just did an HUD overlay onto a USB microscope image.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,281.504456 | ||
https://hackaday.com/2018/07/26/hackaday-belgrade-luka-mustafa-on-exploiting-iot-niches/ | Hackaday Belgrade: Luka Mustafa On Exploiting IoT Niches | Dan Maloney | [
"cons",
"green hacks",
"Hackaday Columns",
"Slider"
] | [
"conservation",
"ecology",
"ecosystems",
"gateway",
"Hackaday Belgrade 2018",
"image analysis",
"IoT",
"iridium",
"LoRaWAN",
"mapping",
"PiCam",
"raspberry pi",
"sensors"
] | Ecology is a strange discipline. At its most basic, it’s the study of how living things interact with their environment. It doesn’t so much seek to explain how life works, but rather how lives work together. A guiding principle of ecology is that life finds a way to exploit niches, subregions within the larger world wi... | 3 | 1 | [
{
"comment_id": "4777811",
"author": "Ren",
"timestamp": "2018-07-26T18:50:06",
"content": "Solvenia?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4778827",
"author": "Dan Maloney",
"timestamp": "2018-07-26T22:07:36",
"content": "It... | 1,760,374,281.548537 | ||
https://hackaday.com/2018/07/25/was-the-self-driving-car-invented-in-the-1980s/ | Was The Self Driving Car Invented In The 1980s? | Al Williams | [
"Robots Hacks",
"Slider"
] | [
"autonomous car",
"autonomous vehicle",
"computer vision",
"history",
"self-driving car"
] | The news is full of self-driving cars and while there is some bad news, most of it is pretty positive. It seems a foregone conclusion that it is just a matter of time before calling for an Uber doesn’t involve another person. But according to
a recent article
, [Ernst Dickmanns] — a German aerospace engineer — built t... | 29 | 11 | [
{
"comment_id": "4773719",
"author": "SlurmMcKenzie",
"timestamp": "2018-07-25T12:25:27",
"content": "He started to build the cars in 1986. Knight Rider, a TV show featuring a self driving car, originally aired from 1982 to 1986.coincidence ?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,281.656813 | ||
https://hackaday.com/2018/07/25/blinkbox-debugging-tool-for-addressable-leds/ | BlinkBox: Debugging Tool For Addressable LEDs | Steven Dufresne | [
"LED Hacks",
"Tool Hacks"
] | [
"addressable led",
"led strip",
"leds",
"test tool"
] | How often do you find yourself having to pause a project to make a test circuit or write some test code to find the source of a problem? Do enough variations of the same test and you’ll eventually make a dedicated test tool. That’s just what [Devon Bray] found himself doing.
[Devon] does a lot of work with addressable ... | 4 | 2 | [
{
"comment_id": "4773484",
"author": "macegr",
"timestamp": "2018-07-25T08:06:25",
"content": "I keep meaning to make one that measures current to within 1mA, so you can step through the LEDs one by one and detect exactly which color on which LED has failed.",
"parent_id": null,
"depth": 1,
... | 1,760,374,281.589298 | ||
https://hackaday.com/2018/07/24/3d-printing-cybersecurity-and-audio-fingerprinting/ | 3D Printing, Cybersecurity, And Audio Fingerprinting | Al Williams | [
"3d Printer hacks",
"News"
] | [
"3d printing",
"audio fingerprinting",
"cybersecurity"
] | We all understand the risk of someone taking over our computers or phones for nefarious purposes. But remote access to printers and fax machines was something most people took a little less seriously. After all, you might get some obscene printouts or someone wasting some paper, but in general, those are not big deals.... | 18 | 9 | [
{
"comment_id": "4773386",
"author": "Ostracus",
"timestamp": "2018-07-25T05:14:39",
"content": "“Some researchers however have lately been pondering what might happen should someone break into your 3D printer. ”Print obscene things.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,282.478628 | ||
https://hackaday.com/2018/07/24/help-with-stuttering-could-come-from-electricity/ | Help With Stuttering Could Come From Electricity | Brian McEvoy | [
"Medical Hacks"
] | [
"electrical",
"medical",
"speech",
"stutter",
"stuttering",
"tdcs",
"therapy",
"transcranial",
"transcranial direct current stimulation",
"transcranial electrical stimulation"
] | At the University of Oxford, [Jen Chesters] conducts therapy sessions with thirty men in a randomized clinical trial to test the
effects of tDCS on subjects who stutter
. Men are approximately four times as likely to stutter and the sex variability of the phenomenon is not being tested. In the randomized sessions, the ... | 10 | 6 | [
{
"comment_id": "4773018",
"author": "Saabman",
"timestamp": "2018-07-25T03:11:10",
"content": "That’s interesting to not that the effect is temporary like the improvements made by ELectroconvulsive therapy (ECT) while this doesn’t appear to induce seizures like ECT. I wonder if the gains made by E... | 1,760,374,282.423178 | ||
https://hackaday.com/2018/07/24/open-source-power-converter-for-the-masses/ | Open Source Power Converter For The Masses | Inderpreet Singh | [
"hardware"
] | [
"GaN",
"open source",
"power converters"
] | GaN or Gallium Nitride Transistors have been in the news for their high-frequency and high-efficiency applications. Anyone interested in the Power Converter domain will love this
open-source project by Siemens
. The offering is called SDI TAPAS and it is a multipurpose GaN FET based board with a TMS320F28x controller o... | 32 | 14 | [
{
"comment_id": "4772606",
"author": "jrfl",
"timestamp": "2018-07-24T23:09:00",
"content": "A shame the window to get one of the boards closed last month…https://challenge.tapas.sdi.tools/#",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4773439",
"a... | 1,760,374,282.88832 | ||
https://hackaday.com/2018/07/24/simple-rc-to-usb-interface/ | Simple RC To USB Interface | Tom Nardi | [
"ATtiny Hacks",
"Wireless Hacks"
] | [
"attiny85",
"Digispark",
"rc",
"simulator",
"transmitter"
] | With the radio control hobby arguably larger now than it ever has been in the past, there’s a growing demand for high-fidelity PC simulators. Whether you want to be able to “fly” when it’s raining out or you just want to practice your moves before taking that expensive quadcopter up for real, a good simulator on your c... | 17 | 6 | [
{
"comment_id": "4772378",
"author": "Ren",
"timestamp": "2018-07-24T20:11:04",
"content": "So, what environment does one fly in? Google Street View?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4772430",
"author": "fm`",
"timestamp": "201... | 1,760,374,282.580163 | ||
https://hackaday.com/2018/07/24/twenty-power-harvesting-projects-headed-to-the-hackaday-prize-finals/ | Twenty Power Harvesting Projects Headed To The Hackaday Prize Finals | Brian Benchoff | [
"Hackaday Columns",
"Slider",
"The Hackaday Prize"
] | [] | The Academy Awards of hardware creation is going on right now!
The Hackaday Prize
is a challenge to you — yes, you — to create the next great piece of Open Hardware. It is simply incomparable to anything else, and we have the projects to show for it.
Last week, we wrapped up the
Power Harvesting Challenge
portion of Th... | 21 | 11 | [
{
"comment_id": "4772495",
"author": "Josh Starnes",
"timestamp": "2018-07-24T21:35:05",
"content": "Ouch, My P Cell Feelings are hurt",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4772502",
"author": "Clara",
"timestamp": "2018-07-24T21:41:50",
"... | 1,760,374,282.775192 | ||
https://hackaday.com/2018/07/25/juggling-machine-listens-to-the-bounce-to-keep-ball-in-the-air/ | Juggling Machine Listens To The Bounce To Keep Ball In The Air | Dan Maloney | [
"Robots Hacks"
] | [
"bounce",
"flip-flop",
"microphone",
"pid",
"stepper"
] | It’s a seemingly simple task: bounce a ping-pong ball on a wooden paddle. So simple that almost anyone can pick up a ball and a paddle and make a reasonable job of it. Now, close your eyes and try to do it just by the sound the ball makes when it hits the paddle. That’s a little tougher, but
this stepper-driven platfor... | 10 | 7 | [
{
"comment_id": "4776346",
"author": "james",
"timestamp": "2018-07-25T23:35:08",
"content": "this has a cool factor of 100%. can’t wait for the paddle version.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4778428",
"author": "kb0wwp",
"ti... | 1,760,374,282.818971 | ||
https://hackaday.com/2018/07/25/esp8266-zelda-heart-responds-to-tweets/ | ESP8266 Zelda Heart Responds To Tweets | Tom Nardi | [
"cnc hacks",
"LED Hacks",
"Microcontrollers"
] | [
"Adafruit.IO",
"ESP8266",
"IFTTT",
"led",
"zelda"
] | It might not be enough to make you the Hero of Time, but this piece of Hylian interactive art would still be a worthy addition to your game room. [Jeremy Cook] writes in to tell us about how he put together this 8-bit style heart display, and goes into enough detail on the hardware and software sides of things that you... | 3 | 2 | [
{
"comment_id": "4776006",
"author": "Jeremy S Cook",
"timestamp": "2018-07-25T20:47:48",
"content": "Thanks for the writeup Tom!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4776233",
"author": "MK 2",
"timestamp": "2018-07-25T21:10:00",
"conten... | 1,760,374,282.709294 | ||
https://hackaday.com/2018/07/25/an-integrated-electromagnetic-lifting-module-for-robots/ | An Integrated Electromagnetic Lifting Module For Robots | Donald Papp | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"effector",
"electromagnet",
"magnet",
"magnetic lifting",
"magnets",
"robotic"
] | The usual way a robot moves an object is by grabbing it with a gripper or using suction, but [Mile] believes that electromagnets offer a lot of advantages that are worth exploring, and has designed the
ELM (Electromagnetic Lifting Module)
in order to make experimenting with electromagnetic effectors more accessible. Th... | 7 | 4 | [
{
"comment_id": "4774394",
"author": "Justin Rosko",
"timestamp": "2018-07-25T19:15:50",
"content": "Interesting for dead lifting something magnetic.also has potential for locking an actuator in place no? Like having one positioned over a metal plate inside the joint, and when you want to hold the p... | 1,760,374,282.525435 | ||
https://hackaday.com/2018/07/25/hope-xii-a-foss-operating-system-for-e-readers/ | HOPE XII: A FOSS Operating System For E-Readers | Tom Nardi | [
"cons",
"Kindle hacks",
"Slider",
"Tablet Hacks"
] | [
"debian",
"e-reader",
"foss",
"Freescale i.MX6",
"hope",
"HOPE XII"
] | Free and open source software (FOSS) was a recurring theme during many of the talks during the HOPE XII conference, which should probably come as no surprise. Hackers aren’t big fans of being monitored by faceless corporate overlords or being told what they can and cannot do on the hardware they purchased. Replacing pr... | 77 | 24 | [
{
"comment_id": "4773933",
"author": "Steve Webb",
"timestamp": "2018-07-25T17:12:48",
"content": "This is actually awesome. The first step to a laptop w/ a 30-day battery! :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4773975",
"author": "djsm... | 1,760,374,283.00534 | ||
https://hackaday.com/2018/07/25/friday-hack-chat-making-modular-hardware/ | Friday Hack Chat: Making Modular Hardware | Brian Benchoff | [
"Hackaday Columns"
] | [
"Hack Chat",
"mesh",
"mesh electronics",
"modular"
] | The future of wireless is decentralized. Mesh-type networks are slowly making their way into the WiFi standard, and soon enough we’ll be dealing with decentralized phones. That’s wireless, but what about electronics? For most embedded work, we’re dealing with masters and slaves, but what if we didn’t have to deal with ... | 5 | 5 | [
{
"comment_id": "4773879",
"author": "Jonas",
"timestamp": "2018-07-25T16:04:51",
"content": "MOOULAA",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4773899",
"author": "Ren",
"timestamp": "2018-07-25T16:31:02",
"content": "As opposed to Hexabitzht... | 1,760,374,283.049335 | ||
https://hackaday.com/2018/07/25/monoprice-mini-converted-to-pick-and-place-kinda/ | Monoprice Mini Converted To Pick And Place (Kinda) | Tom Nardi | [
"3d Printer hacks",
"Parts",
"Tool Hacks"
] | [
"conversion",
"Monoprice MP Select Mini",
"pcb",
"pick and place",
"smd"
] | Would you believe that you can take a cheap 3D printer and easily convert it into a full function pick and place machine to help assemble your PCBs? No? Well good, because you can’t. A real pick and place needs all kinds of sensors and logic to identify parts, rotate them, make sure everything is aligned, etc, etc. The... | 15 | 6 | [
{
"comment_id": "4773871",
"author": "Murray",
"timestamp": "2018-07-25T15:47:37",
"content": "0 Decoupling caps? Really? Looks like a software guy plying hardware maker…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4773887",
"author": "guest",
... | 1,760,374,283.519524 | ||
https://hackaday.com/2018/07/25/how-and-why-to-avoid-tolerance-stacking-in-your-technical-drawings/ | How—And Why—To Avoid Tolerance Stacking In Your Technical Drawings | Cameron Coward | [
"Engineering",
"Featured",
"Original Art"
] | [
"dimensioned drawings",
"technical drawings",
"tolerance stacking"
] | If you want to have your part designs fabricated, you’re going to need to provide the manufacturer with a technical drawing. Yes, 3D printers and many modern machine tools rely on toolpaths created from 3D models. But, there is a good chance the manufacturer will be recreating the 3D model in their own system, instead ... | 49 | 13 | [
{
"comment_id": "4773803",
"author": "Ren",
"timestamp": "2018-07-25T14:33:56",
"content": "Interesting…FWIW,There is a story (Urban Legend?) about a cooperation between Ford Motor Company and Mazda to both make a transmission in the U.S.A and Japan, respectively. Ford and Mazda had “sister” vehicl... | 1,760,374,283.769574 | ||
https://hackaday.com/2018/07/24/edwin-armstrongs-battle-for-fm-radio/ | Edwin Armstrong’s Battle For FM Radio | Al Williams | [
"Biography",
"Hackaday Columns",
"Original Art"
] | [
"Armstrong",
"Edwin Armstrong",
"fm radio",
"regenerative receiver"
] | Chances are you have at least one radio that can receive FM stations. Even though FM is becoming less used now with Internet and satellite options, it still is more popular than the older AM radio bands. FM was the brainchild of an inventor you may have heard of — Edwin Armstrong — but you probably don’t know the whole... | 50 | 18 | [
{
"comment_id": "4772240",
"author": "Ren",
"timestamp": "2018-07-24T17:14:32",
"content": "As I only know what others have written, history seems to be on the side of Edwin Armstrong.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4772256",
"author"... | 1,760,374,283.682611 | ||
https://hackaday.com/2018/07/24/custom-lcd-module-is-unexpectedly-cheap-and-easy/ | Custom LCD Module Is Unexpectedly Cheap And Easy | Dan Maloney | [
"Misc Hacks"
] | [
"design",
"driver",
"HTC1622",
"lcd",
"manufacturing",
"segments"
] | Looking to take your project to the next level in terms of functionality and appearance? A custom LCD display might be the thing that gets you there, at least compared to the dot-matrix or seven-segment displays that anyone and their uncle can buy from the usual sources for pennies. But how does one create such a thing... | 36 | 13 | [
{
"comment_id": "4772162",
"author": "jwrm22",
"timestamp": "2018-07-24T15:50:24",
"content": "I’ve seen the EEV blog video a few days ago. It’s really interesting as I expected the engineering cost to be around 5k. €100,- is cheap! The steps from design to the prototype are quite similar to custom ... | 1,760,374,283.592843 | ||
https://hackaday.com/2018/07/24/milspec-teardown-c-1282-chaff-controller/ | Milspec Teardown: C-1282 Chaff Controller | Tom Nardi | [
"Teardown",
"Weapons Hacks"
] | [
"B-52",
"cold war",
"military",
"Milspec",
"radar jamming"
] | A B-52 bomber is approaching its primary target: rail yards in the Beloostrov district of Leningrad. Intel reports the area is likely defended by S-25 Berkut and S-75 Dvinia surface to air missiles (SAMs), but this close to the target the gigantic bomber can’t afford to make the evasive maneuvers, known as combat turns... | 37 | 12 | [
{
"comment_id": "4772060",
"author": "Ostracus",
"timestamp": "2018-07-24T14:10:56",
"content": "“So be clear, the eBay auction for the C-1282 didn’t include the actual chaff dispenser, much less a B-52 to mount the thing to.”Shipping would be a mess.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,284.06745 | ||
https://hackaday.com/2018/07/24/a-bcd-wristwatch-youd-want-to-wear/ | A BCD Wristwatch You’d Want To Wear | Jenny List | [
"clock hacks"
] | [
"BCD watch",
"binary watch",
"LED watch",
"watch"
] | Timepieces are a staple of Hackaday, we have featured so many of them over the years that for us to become really excited by a fresh one it must be particularly special. The days when simply breaking out the Nixies was enough are long past.
So this
binary wristwatch project
by [Sverd Industries] definitely caught our e... | 4 | 4 | [
{
"comment_id": "4776319",
"author": "Backwoods Engineer",
"timestamp": "2018-07-25T22:44:23",
"content": "Nice work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4777077",
"author": "Max",
"timestamp": "2018-07-26T11:10:07",
"content": "Nope. No... | 1,760,374,283.813746 | ||
https://hackaday.com/2018/07/24/a-dramatic-demo-of-ac-versus-dc-switching/ | A Dramatic Demo Of AC Versus DC Switching | Dan Maloney | [
"Misc Hacks"
] | [
"ac",
"arc",
"arcing",
"contact",
"current",
"dc",
"fire",
"plasma",
"rectifier",
"safety",
"switch",
"variac"
] | Switches seem to be the simplest of electrical components – just two pieces of metal that can be positioned to either touch each other or not. As such it would seem that it shouldn’t matter whether a switch is used for AC or DC. While that’s an easy and understandable assumption, it can also be a dangerous one, as
this... | 48 | 13 | [
{
"comment_id": "4771887",
"author": "denis",
"timestamp": "2018-07-24T11:06:43",
"content": "he did another video demoing the effect on a UK light switch.https://www.youtube.com/watch?v=CUFVSc5ll4s",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4771914",
... | 1,760,374,283.894381 | ||
https://hackaday.com/2018/07/24/sad-without-a-sid-this-comes-pretty-close/ | Sad Without A SID? This Comes Pretty Close | Jenny List | [
"classic hacks"
] | [
"6851",
"commodore 64",
"MOS",
"sid",
"Teensy"
] | The MOS Technologies 6851, popularly known as the SID, is a legendary sound synthesiser integrated circuit from the early 1980s that is most famous for providing the Commodore 64 home computer with its ability to make noise. At the time it was significantly better than what could be found in competitor machines, making... | 36 | 14 | [
{
"comment_id": "4771724",
"author": "Truth",
"timestamp": "2018-07-24T08:22:33",
"content": "spellchecker missed it – “Commodore 54”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4771729",
"author": "WaVeR",
"timestamp": "2018-07-24T08:27:3... | 1,760,374,284.140164 | ||
https://hackaday.com/2018/07/23/hope-xii-make-your-own-holograms/ | HOPE XII: Make Your Own Holograms | Mike Szczys | [
"cons",
"digital cameras hacks",
"Laser Hacks"
] | [
"hologram",
"Holography",
"HOPE XII",
"interference patterns",
"Tommy Johnson"
] | Prior to this weekend I had assumed making holograms to be beyond the average hacker’s reach, either in skill or treasure. I was proven wrong by a Club-Mate box full of electronics, and an acrylic jig perched atop an automotive inner tube. At the Hope Conference, Tommy Johnson was
sharing his hacker holography in a wor... | 28 | 12 | [
{
"comment_id": "4771507",
"author": "Ostracus",
"timestamp": "2018-07-24T05:22:46",
"content": "https://www.ebay.com/bhp/computer-to-plateCTP Computer-to-plate machines.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4771513",
"author": "Ostracus",
... | 1,760,374,284.300952 | ||
https://hackaday.com/2018/07/23/fail-of-the-week-esp-walkie-not-so-talkie/ | Fail Of The Week: ESP Walkie, Not-So-Talkie | Jenny List | [
"Fail of the Week"
] | [
"ESP8266",
"intercom",
"walkie talkie"
] | The ESP8266 has become such a staple of projects in our community since it burst onto the scene a few years ago. The combination of a super-fast processor and wireless networking all on the same chip and sold in retail quantities for relative pennies has been irresistible. So when [Petteri Aimonen] needed to make
a wir... | 51 | 21 | [
{
"comment_id": "4770034",
"author": "JDat",
"timestamp": "2018-07-23T11:08:08",
"content": "Cool! Interesting project! Go on! Continue this project. Try external ADC. Waiting for results!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4770044",
"author": ... | 1,760,374,284.22391 | ||
https://hackaday.com/2018/07/23/the-return-of-radioshack/ | The Return Of RadioShack? | Dan Maloney | [
"News",
"Slider"
] | [
"amateur radio",
"bankruptcy",
"business",
"ham radio",
"radio shack"
] | We’ve been following the ups and downs of Radio Shack for a while now, and it looks like another chapter is about to be penned in the storied retailer’s biography – and not Chapter 11 bankruptcy this time.
According to
the ARRL website
and
major media reports
, up to 50 of the 147 US locations of HobbyTown, the brick-a... | 119 | 26 | [
{
"comment_id": "4769855",
"author": "Darren",
"timestamp": "2018-07-23T08:20:30",
"content": "It isn’t going to work, RadioShack buy their components from the main distributors DigiKey and Mouser etc. They package them in RadioShack bags and add their markup. Now in addition further markup will nee... | 1,760,374,284.993987 | ||
https://hackaday.com/2018/07/22/ihc-badge-its-not-quite-a-nokia/ | IHC Badge: It’s Not (Quite) A Nokia | Jenny List | [
"hardware"
] | [
"badge",
"badgelife",
"IHC",
"Italian Hacker Camp"
] | Electronic conference badges are an integral part of our culture, and have featured many times here. The norm for a badge is an exquisitely designed printed circuit board with some kind of microcontroller circuit on it, often a display, and some LEDs.
This is not enough though for [Mastro Gippo], for he has given us an... | 16 | 4 | [
{
"comment_id": "4769800",
"author": "Andrea Campanella",
"timestamp": "2018-07-23T06:41:24",
"content": "The amount of vias in that PCB is overwhelming…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4769843",
"author": "Dodo",
"timestamp": ... | 1,760,374,284.712458 | ||
https://hackaday.com/2018/07/22/diy-tiny-dyno/ | DIY Tiny Dyno | Inderpreet Singh | [
"Tech Hacks"
] | [
"dynamometer",
"dynamotor",
"geared motors",
"motor"
] | The geared DC motor has become the bread-and-butter of the modern-day beginner project. Unfortunately, with the advent of vast online catalogs peddling a wide assortment of these mechanical marvels, validating the claim that one DC motor will outperform the others is a challenge.
Such is the dilemma that our own [Gerri... | 7 | 4 | [
{
"comment_id": "4769627",
"author": "Steven Greenfield",
"timestamp": "2018-07-23T02:54:28",
"content": "Amazing how simple it really is to measure torque at speed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4769644",
"author": "Saabman",
"timesta... | 1,760,374,284.656886 | ||
https://hackaday.com/2018/07/22/hackaday-links-july-22-2018/ | Hackaday Links: July 22, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"cartoon",
"KiCAD",
"nas",
"stencil"
] | KiCad Version 5 has been released
! Footprints are going to be installed locally, and the Github plugin for library management is no longer the default. You now have the ability to import Eagle projects directly, Eeschema has a better configuration dialog, better wire dragging, and Pcbnew now has complex pad shapes. Th... | 26 | 11 | [
{
"comment_id": "4769368",
"author": "Darren",
"timestamp": "2018-07-22T23:07:51",
"content": "Not exactly, KiCAD 5 for Windows has been released, Mac and Linux still offer 4.0.7",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4769491",
"author": "bit... | 1,760,374,284.782156 | ||
https://hackaday.com/2018/07/22/hope-xii-chelsea-manning/ | HOPE XII: Chelsea Manning | Mike Szczys | [
"cons"
] | [
"Chelsea Manning",
"HOPE XII",
"InfoSec"
] | Saturday’s talk schedule at the HOPE conference was centered around one thing: the on-stage interview with
Chelsea Manning
. Not only was a two-hour session blocked out (almost every other talk has been one hour) but all three stages were reserved with live telecast between the three rooms.
I was lucky enough to get a ... | 96 | 23 | [
{
"comment_id": "4769087",
"author": "joshuacoppersmith",
"timestamp": "2018-07-22T21:10:40",
"content": "Even with no political agenda whatsoever, one should recognize the value of extreme case testing in any environment. I’m glad Hackaday recognizes this and is willing to look at Manning’s engagem... | 1,760,374,285.107117 | ||
https://hackaday.com/2018/07/22/classroom-gadget-turned-arduino-compatible/ | Classroom Gadget Turned Arduino Compatible | Tom Nardi | [
"Arduino Hacks",
"handhelds hacks",
"Wireless Hacks"
] | [
"2.4ghz",
"Arduboy",
"arduino",
"isp",
"SMART Response XE",
"ST7586S"
] | Cheap second-hand hardware is usually a fertile ground for hacking, and by looks of this project, the digital classroom aids that were all the rage a few years back are no exception. [is0-mick] writes in to tell us how he managed to
hack one of these devices, a SMART Reponse XE, into an Arduboy compatible game system
.... | 25 | 10 | [
{
"comment_id": "4768664",
"author": "scott t",
"timestamp": "2018-07-22T17:07:16",
"content": "going for as little as $11 on ebay is what I see",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4768699",
"author": "kak",
"timestamp": "2018-07-22T17:14:44... | 1,760,374,285.388419 | ||
https://hackaday.com/2018/07/23/diy-vs-commercially-made-solar-panel/ | DIY Vs. Commercially Made Solar Panel | Steven Dufresne | [
"Solar Hacks"
] | [
"solar",
"solar cell",
"solar panel"
] | The price of commercially made solar panels on eBay is around $1 per watt and have been for a few years, but the price of individual solar cells are likewise at a low price per watt, around $0.48. Looking at those prices, it’s tempting to say that it’d be cheaper to just buy the solar cells and put together your own p... | 31 | 10 | [
{
"comment_id": "4771225",
"author": "Vaewyn",
"timestamp": "2018-07-24T02:33:04",
"content": "If you live in the midwest check out Fred480v on ebay… quite often he has panels new panels with warranty for under 50c/watt I pick them up from his Michigan City location and have gotten as low as 28c/w... | 1,760,374,284.849364 | ||
https://hackaday.com/2018/07/23/fail-of-the-week-how-not-to-make-a-3d-scanner/ | Fail Of The Week: How Not To Make A 3D Scanner | Dan Maloney | [
"Fail of the Week"
] | [
"ESP8266",
"JSN-SR04T",
"lidar",
"TOF",
"ultrasonic",
"VL53L0X",
"WebGL",
"wemos d1 mini"
] | Sometimes the best you can say about a project is, “Nice start.” That’s the case for
this as-yet awful DIY 3D scanner
, which can serve both as a launching point for further development and a lesson in what not to do.
Don’t get us wrong, we have plenty of respect for [bitluni] and for the fact that he posts his failure... | 12 | 8 | [
{
"comment_id": "4770985",
"author": "Daren Schwenke",
"timestamp": "2018-07-24T00:25:34",
"content": "The problem is the FOV of the TOF module is surprisingly wide.He would probably several orders of magnitude of improvement with a 20-30mm long bit of heat shrink over the aperture.",
"parent_id... | 1,760,374,285.158012 | ||
https://hackaday.com/2018/07/23/be-a-fire-bender-with-the-power-of-magnets/ | Be A Fire Bender With The Power Of Magnets | Dan Maloney | [
"Misc Hacks"
] | [
"Argon",
"candle",
"carbon dioxide",
"diamagnetic",
"electromagnet",
"Magnetohydrodynamic",
"oxygen",
"sodium",
"spectra",
"Zeeman effect"
] | More often than you think, scientific progress starts with a simple statement: “Huh, that’s funny…” That’s the sign that someone has noticed something peculiar, and that’s the raw fuel of science because it often takes the scientist down interesting rabbit holes that sometimes lead to insights into the way the world wo... | 26 | 13 | [
{
"comment_id": "4770608",
"author": "Michael Saunby (@msaunby)",
"timestamp": "2018-07-23T20:23:09",
"content": "Important to remember that magnetism is electricity’s evil twin. Anything electrically charged and moving will be affected by a magnetic field. Seehttp://wtamu.edu/~cbaird/sq/2014/05/28... | 1,760,374,285.449818 | ||
https://hackaday.com/2018/07/23/build-a-wi-fi-smart-scale/ | Build A Wi-Fi Smart Scale | Kristina Panos | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"ESP8266",
"IFTTT",
"led matrix display",
"load cells"
] | There are plenty of ways to monitor changes in your weight. You can get a vague idea from the fit of your pants or the notch on your belt. But anyone who’s serious about getting or staying in shape must step on the scale to get the cold, hard truth in pounds or kilograms.
Instead of just buying one,
[igorfonseca83] dec... | 10 | 6 | [
{
"comment_id": "4770469",
"author": "Ostracus",
"timestamp": "2018-07-23T18:45:09",
"content": "“There are plenty of ways to monitor changes in your weight. ”Floor collapsing? :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4770925",
"author": "S... | 1,760,374,285.204046 | ||
https://hackaday.com/2018/07/23/hope-xiii-time-travel-with-software-defined-radio/ | HOPE XII: Time Travel With Software Defined Radio | Tom Nardi | [
"cons",
"Radio Hacks"
] | [
"history",
"hope",
"HOPE XII",
"sdr",
"spectrum"
] | It’s easy to dismiss radio as little more than background noise while we drive. At worst you might even think it’s just another method for advertisers to peddle their wares. But in reality it’s a snapshot of the culture of a particular time and place; a record of what was in the news, what music was popular, what the ... | 51 | 15 | [
{
"comment_id": "4770356",
"author": "Ren",
"timestamp": "2018-07-23T17:14:02",
"content": "Well, considering that a lot of broadcast radio is pre-recorded music, Station Logs, can eliminate a lot of data right there.And then, a lot of commercials are repeated, so only one of those should needs to b... | 1,760,374,285.542183 | ||
https://hackaday.com/2018/07/23/turn-a-cheap-bluetooth-speaker-into-an-audio-receiver/ | Turn A Cheap Bluetooth Speaker Into An Audio Receiver | Sven Gregori | [
"Musical Hacks",
"Portable Audio Hacks"
] | [
"audio hack",
"audio jack",
"bluetooth",
"bluetooth speaker"
] | Cheap Bluetooth speakers come in all different kinds of shapes and colors, and they let you conveniently stream music, for example from your mobile phone. For [mcmchris], they had one significant shortcoming though: while most of them come with some auxiliary input port as alternative audio source, they usually lack an... | 16 | 10 | [
{
"comment_id": "4770212",
"author": "neo2121",
"timestamp": "2018-07-23T15:36:13",
"content": "You can get a tiny dongle that does bluetooth to audio jack for 3$ if anyone is considering this but doesn’t have a speaker to repurpose. China is really into these bluetooth audio modules, you can get do... | 1,760,374,285.595105 | ||
https://hackaday.com/2018/07/23/hands-on-with-python-3-7-whats-new-in-the-latest-release/ | Hands On With Python 3.7: What’s New In The Latest Release | Ben James | [
"Slider",
"Software Development"
] | [
"3.7",
"annotations",
"breakpoint",
"dataclasses",
"examples",
"hinting",
"new",
"pdb",
"pep",
"python",
"release",
"speed",
"types"
] | Used for general purpose programming, data science, website backends, GUIs, and pretty much everything else; the first programming language for many, and claimed to be the fastest growing in the world, is of course Python. The newest
version 3.7.0 has just recently been released
.
Naturally any release of Python, no ma... | 42 | 14 | [
{
"comment_id": "4770226",
"author": "salec",
"timestamp": "2018-07-23T15:49:05",
"content": "“… you can still use the Any type if you want to be flexible”It would be great if you could tailor the flexibility to fit, like allowing not only Any, but “Some” (more than one type allowed, but not just an... | 1,760,374,285.841255 | ||
https://hackaday.com/2018/07/22/a-3d-printed-bowl-feeder-for-tiny-smd-parts/ | A 3D-Printed Bowl Feeder For Tiny SMD Parts | Dan Maloney | [
"Tool Hacks"
] | [
"abs",
"bowl feeder",
"electromagnet",
"helix",
"ramp",
"smd",
"solenoid",
"vibratory"
] | [Andrzej Laczewski] has something big in mind for small parts, specifically SMD resistors and capacitors. He’s not talking much about that project, but from the prototype
3D-printed bowl feeder
he built as part of it, we can guess that it’s going to be a pretty cool automation project.
Bowl feeders are common devices i... | 30 | 10 | [
{
"comment_id": "4768583",
"author": "TheRainHarvester on YouTube",
"timestamp": "2018-07-22T16:22:46",
"content": "Nice! He could put a chute at the output end. The chute could line up the parts usury gravity. So a pick head could grab from the same spot every time. Heck, you could even sort the ... | 1,760,374,285.707745 | ||
https://hackaday.com/2018/07/22/out-of-batteries-for-your-torch-just-use-a-mini-nitro-engine/ | Out Of Batteries For Your Torch? Just Use A Mini Nitro Engine | Ben James | [
"Engine Hacks"
] | [
"3d print",
"engine",
"generator",
"johnnyq90",
"mini",
"nitro"
] | We can certainly relate to an incomplete project sowing the seed for a better one, and that’s just what happened in [JohnnyQ90]’s latest video. He initially set out to create an air compressor powered by a nitro engine, and partially succeeded – air was compressed, but not nearly enough to be useful.
Instead, he change... | 18 | 12 | [
{
"comment_id": "4768352",
"author": "Ostracus",
"timestamp": "2018-07-22T11:58:29",
"content": "Now all we need is tiny people to use this stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4768377",
"author": "Steven-X",
"timestamp": "2018-07-22T1... | 1,760,374,285.915935 | ||
https://hackaday.com/2018/07/22/repairing-a-capacitor-inside-a-potted-transformer/ | Repairing A Capacitor Inside A Potted Transformer | Al Williams | [
"Repair Hacks"
] | [
"potting",
"tar",
"transformer"
] | We always enjoy watching [Mr. Carlson’s] videos because he looks like he is taping in a rocket ship set from a 1950s drive-in movie. In a recent video, he identified an old oscilloscope that had a transformer assembly that is potted with a pair of capacitor inside. The capacitor failed so [Carlson] decided he would rep... | 12 | 8 | [
{
"comment_id": "4768309",
"author": "Ano",
"timestamp": "2018-07-22T11:19:41",
"content": "Could have used the door lid for mounting the transformer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4768335",
"author": "Sci",
"timestamp": "2018-07-22T11... | 1,760,374,285.752764 | ||
https://hackaday.com/2018/07/21/recycle-lcds-into-leds/ | Recycle LCDs Into LEDs | Al Williams | [
"LED Hacks"
] | [
"backlight",
"lcd",
"led",
"recycle"
] | We always find it funny when we see ads for modern LED TVs. These TVs don’t use LEDs to show the picture. They are nothing more than LCD screens with LED backlighting instead of cold cathode fluorescent lamps. [Akshaylals] had a few LCD laptop and phone panels that were defunct and decided to recycle them
to get to the... | 12 | 9 | [
{
"comment_id": "4767966",
"author": "Ostracus",
"timestamp": "2018-07-22T05:07:46",
"content": "Only problem with “LED on a strip” is getting something useful to solder on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4767968",
"author": "podium",
"... | 1,760,374,286.26636 | ||
https://hackaday.com/2018/07/21/old-phone-new-remote-switch/ | Old Phone, New Remote Switch | Jenny List | [
"Cellphone Hacks"
] | [
"2g",
"arduino",
"cell phone",
"nokia"
] | With mobile phones now ubiquitous for the masses in much of the world for over two decades, something a lot of readers will be familiar with is a drawer full of their past devices. Alongside the older smartphone you’ll have a couple of feature phones, and probably at the bottom a Nokia candybar or a Motorola flip phone... | 38 | 13 | [
{
"comment_id": "4767788",
"author": "M",
"timestamp": "2018-07-22T02:11:22",
"content": "Somebody used this phone for this exact purpose before, except in that case, it was part of an ied, as noted above.A pic after defusal:http://i.imgur.com/k4q6Lrn.jpg",
"parent_id": null,
"depth": 1,
... | 1,760,374,286.148537 | ||
https://hackaday.com/2018/07/21/wire-wound-resistors-on-your-own/ | Wire Wound Resistors On Your Own | Al Williams | [
"Misc Hacks"
] | [
"resistor",
"wire wound resistor",
"wirewound resistor"
] | In all kinds of engineering, we build on abstractions in a kind of inverted pyramid. Lots of people can, for example, design a system using ready-made building blocks on printed circuit boards. Fewer people can do the same design using ICs. Fewer still can design with components. But who designs the components? Even fe... | 17 | 7 | [
{
"comment_id": "4767384",
"author": "Ostracus",
"timestamp": "2018-07-21T23:05:10",
"content": "“We’ve talked about making your own capacitors and even your own inductors.”DIY Quantum dots.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4767672",
"a... | 1,760,374,286.07617 | ||
https://hackaday.com/2018/07/21/a-caterpillar-drive-that-actually-looks-like-a-caterpillar/ | A Caterpillar Drive That Actually Looks Like A Caterpillar | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"caterpillar",
"Magnetohydrodynamic"
] | [Tom Clancy]’s
The Hunt For Red October
is a riveting tale of a high-level Soviet defector, a cunning young intelligence analyst, a chase across the North Atlantic, and a new submarine powered by a secret stealth ‘caterpillar’ drive. Of course there weren’t a whole lot of technical details in the book, but the basic id... | 39 | 17 | [
{
"comment_id": "4766973",
"author": "p",
"timestamp": "2018-07-21T20:12:46",
"content": "“Put salt water in a tube, wrap a coil of wire around the tube, run some current through the wire, and the water spits out the back”.. Um… no. See evenhttps://en.wikipedia.org/wiki/Magnetohydrodynamic_drive",
... | 1,760,374,286.220941 |
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