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https://hackaday.com/2019/10/17/the-thing-a-homemade-fpga-board/ | “The Thing”: A Homemade FPGA Board | Sharon Lin | [
"FPGA"
] | [
"2019 Hackaday Prize",
"fpga",
"Hackaday Prize"
] | The Thing
is an unassuming name for an
ambitious project
to build an FPGA board from easy to find components.
The project stems from an
earlier build
submitted to the 2018 Hackaday Prize by [Just4Fun] where two dev boards – an STM32-based Arduino and an Altera MAX II CPLD board – were combined with the Arduino used as ... | 13 | 7 | [
{
"comment_id": "6187899",
"author": "Robert Mateja",
"timestamp": "2019-10-17T19:28:51",
"content": "“The Thing is an unassuming name” – guys on polar base thought so.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187943",
"author": "Eric J Weath... | 1,760,373,724.407147 | ||
https://hackaday.com/2019/10/17/worried-about-bats-in-your-belfry-a-tale-of-two-bat-detectors/ | Worried About Bats In Your Belfry? A Tale Of Two Bat Detectors | Pat Whetman | [
"digital audio hacks",
"Hackaday Columns",
"Misc Hacks",
"Slider"
] | [
"ArduBat",
"bat detector",
"ultrasonic"
] | As somebody who loves technology and wildlife and also needs to develop an old farmhouse, going down the bat detector rabbit hole was a journey hard to resist. Bats are ideal animals for hackers to monitor as they emit ultrasonic frequencies from their mouths and noses to communicate with each other, detect their prey ... | 33 | 11 | [
{
"comment_id": "6187867",
"author": "smerrett79",
"timestamp": "2019-10-17T18:24:39",
"content": "I found this was a very useful resource about microphone responses and their suitability for bat detection:https://www.zachpoff.com/resources/cheap-microphones-for-ultrasound/",
"parent_id": null,
... | 1,760,373,723.969104 | ||
https://hackaday.com/2019/10/17/coanda-effect-makes-a-better-hovercraft-than-a-quadcopter/ | Coandă Effect Makes A Better Hovercraft Than A Quadcopter | Dan Maloney | [
"Misc Hacks"
] | [
"BLDC",
"coanda",
"coanda effect",
"fan",
"foam core",
"hovercraft",
"lift",
"propulsion"
] | Leaving no stone unturned in his quest for alternative and improbable ways to generate lift, [Tom Stanton] has come up with some interesting aircraft over the years. But this time he isn’t exactly flying, with
this unusual Coandă effect hovercraft
.
If you’re not familiar with the Coandă effect, neither were we until
[... | 22 | 11 | [
{
"comment_id": "6187777",
"author": "Shannon",
"timestamp": "2019-10-17T15:58:40",
"content": "Looks like a ground effect device more than anything to do with the coanda effect.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187809",
"author": "fre... | 1,760,373,724.115398 | ||
https://hackaday.com/2019/10/17/worn-out-emmc-chips-are-crippling-older-teslas/ | Worn Out EMMC Chips Are Crippling Older Teslas | Tom Nardi | [
"car hacks",
"Current Events",
"Engineering",
"Featured",
"Linux Hacks",
"Original Art",
"Slider"
] | [
"electric vehicle",
"Embedded Linux",
"flash storage",
"intel atom",
"linux",
"log files",
"tegra",
"tesla",
"wear-leveling"
] | It should probably go without saying that the main reason most people buy an electric vehicle (EV) is because they want to reduce or eliminate their usage of gasoline. Even if you aren’t terribly concerned about your ecological footprint, the fact of the matter is that electricity prices are so low in many places that ... | 230 | 41 | [
{
"comment_id": "6187725",
"author": "Carl Vehse",
"timestamp": "2019-10-17T14:07:17",
"content": "“It should probably go without saying that the main reason most people buy an electric vehicle (EV) is because they want to reduce or eliminate their usage of gasoline”… and rely largely on coal and ot... | 1,760,373,724.714513 | ||
https://hackaday.com/2019/10/17/when-life-gives-you-lemons-make-a-rube-goldberg-machine/ | When Life Gives You Lemons, Make A Rube Goldberg Machine | Sharon Lin | [
"Misc Hacks"
] | [
"chain reaction",
"dominoes",
"marbles",
"rube goldberg machine"
] | When life gives you lemons, you make lemonade. At least that’s what the [Sprice Machines] thought when they decided to turn a house into the set of a 9-minute long
Rube Goldberg
machine to make lemonade. (Video embedded below.) The complex chain reactions runs across multiple rooms, using everyday objects like brooms a... | 10 | 8 | [
{
"comment_id": "6187703",
"author": "Marcin Wrzeszcz",
"timestamp": "2019-10-17T11:34:14",
"content": "What do you mean “team professionally builds Rube Goldberg machines for clients”.How is that a business? But I am glad that it is.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,724.451955 | ||
https://hackaday.com/2019/10/17/long-live-jibo-our-adorable-robot-companion/ | Long Live Jibo, Our Adorable Robot Companion | Sharon Lin | [
"Robots Hacks"
] | [
"encoder",
"jibo",
"pid",
"robot",
"robot arm",
"Windows 10"
] | Jibo, the adorable robot made by Jibo, Inc., was getting phased out, but that didn’t stop [Guilherme Martins] from using his robot companion for
one last hack
.
When he found out that the company would be
terminating production
of new Jibos and shutting down their servers, he wanted to replace the brain of the robot so... | 11 | 8 | [
{
"comment_id": "6187716",
"author": "zh84stephen",
"timestamp": "2019-10-17T13:22:34",
"content": "My introduction to Jibo was in this video:https://www.youtube.com/watch?v=RY9KCOhYx74memorably titled “STOP BUYING ROBOTS ON INDIEGOGO, YOU MORON”.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,373,724.061932 | ||
https://hackaday.com/2019/10/16/3d-printed-transformer-disappoints-but-enlightens/ | 3D-Printed Transformer Disappoints, But Enlightens | Dan Maloney | [
"Misc Hacks"
] | [
"3d printing",
"coil",
"lamination",
"magnetic flux",
"transformer",
"winding"
] | Transformers are deceptively simple devices. Just coils of wire sharing a common core, they tempt you into thinking you can make your own, and in many cases you can. But DIY transformers have their limits, as [Great Scott!] learned when he tried to
3D-print his own power transformer
.
To be fair, the bulk of the video ... | 13 | 5 | [
{
"comment_id": "6187711",
"author": "e",
"timestamp": "2019-10-17T12:46:07",
"content": "It seems the irony was lost on Great Scott.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187726",
"author": "N-e-b-u-l-o-u-s",
"timestamp": "2019-10-... | 1,760,373,724.197711 | ||
https://hackaday.com/2019/10/16/using-tl-smoothers-for-better-3d-prints/ | Using TL Smoothers For Better 3D Prints | Sharon Lin | [
"3d Printer hacks"
] | [
"3d printing",
"SmoothieWare",
"tl smoothers"
] | Some 3D printers will give you prints with surfaces resembling salmon skin – not exactly the result you want when you’re looking for a high-quality print job. On bad print jobs, you can usually notice that the surface is shaking – even on the millimeter scale, this is enough to give the print a bumpy finish and ruin th... | 15 | 6 | [
{
"comment_id": "6187638",
"author": "CityZen",
"timestamp": "2019-10-17T02:33:12",
"content": "Correction: “MKS Base 1.4 smoother-based control board” should probably read “MKS SBase 1.3 Smoothieware-based control board”. He does say “SBase 1.4”, but there’s no such board.",
"parent_id": null,... | 1,760,373,724.356254 | ||
https://hackaday.com/2019/10/16/lane-keeping-rc-car-uses-opencv/ | Lane Keeping RC Car Uses OpenCV | Lewin Day | [
"Misc Hacks",
"Toy Hacks"
] | [
"machine vision",
"opencv",
"raspberry pi"
] | Automakers continue to promise that fully autonomous cars are around the corner, but we’re still not quite there yet. However, there are a broad range of driver assist technologies that have come to market in recent years, with lane keeping assist being one of them.
[raja_961] decided to implement this technology on an... | 1 | 1 | [
{
"comment_id": "6187721",
"author": "Danny",
"timestamp": "2019-10-17T13:34:16",
"content": "Great project! The documentation is very thorough; it should be a useful resource for people wanting to do similar builds.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,724.004386 | ||
https://hackaday.com/2019/10/16/painting-with-light-the-homemade-pixelstick/ | Painting With Light: The Homemade Pixelstick | Sharon Lin | [
"Arduino Hacks",
"LED Hacks"
] | [
"addressable led",
"ESP8266",
"light painting"
] | Light painting has long graced the portfolios of long-exposure photographers, but high resolution isn’t usually possible when you’re light painting with human subjects.
This weekend project from [Timmo] uses an ESP8266-based microcontroller and an addressable WS2812-based LED strip to
paint words
or custom images in th... | 2 | 2 | [
{
"comment_id": "6187578",
"author": "goran.mahovlic",
"timestamp": "2019-10-16T20:17:40",
"content": "Here is one from Radionahttps://twitter.com/RadionaOrg/status/1184562361912438785",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187609",
"author": "Arj... | 1,760,373,724.152601 | ||
https://hackaday.com/2019/10/16/the-smallest-homebrewed-ttl-cpu-in-the-world/ | The Smallest Homebrewed TTL CPU In The World | Sharon Lin | [
"hardware",
"Tech Hacks"
] | [
"2019 Hackaday Prize",
"cpu",
"Hackaday Prize"
] | This may very well be the
smallest homemade TTL CPU
we’ve ever seen. Measuring at one square inch, this tiny chip boasts 40 connections, an 8-bit databus, a 16-bit address bus, a 64 kB memory space, reset and clock inputs, and 5 V power lines.
TTL (transistor transistor logic) logic chips are pretty outdated today, but... | 16 | 6 | [
{
"comment_id": "6187560",
"author": "a Nonimouse",
"timestamp": "2019-10-16T18:42:41",
"content": "Let’s hear it for Juliana !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187562",
"author": "Sjaak",
"timestamp": "2019-10-16T18:49:38",
"content... | 1,760,373,725.017417 | ||
https://hackaday.com/2019/10/15/ben-krasnow-looks-inside-film-camera-date-stamping/ | [Ben Krasnow] Looks Inside Film Camera Date Stamping | Dan Maloney | [
"digital cameras hacks",
"Misc Hacks"
] | [
"analog",
"camera",
"film",
"grain of wheat",
"lcd",
"optics",
"projector"
] | Honestly, we never wondered how those old film cameras used to put the date stamp in the lower right-hand corner of the frame. Luckily, [Ben Krasnow] does not suffer from this deplorable lack of curiosity, and
his video teardown of a date-stamping film camera back
(embedded below) not only answers the question, but pro... | 6 | 3 | [
{
"comment_id": "6187287",
"author": "CainMan",
"timestamp": "2019-10-15T15:52:32",
"content": "The orange color does not created by the Film itself (it is a negative). On the Film there is the datecode blueish-green.The color is produced by the tiny light-bulb and the relative long time by heating ... | 1,760,373,725.055183 | ||
https://hackaday.com/2019/10/14/repurposing-a-toy-computer-from-the-1990s/ | Repurposing A Toy Computer From The 1990s | Tom Nardi | [
"Retrocomputing",
"Toy Hacks"
] | [
"catridge",
"educational toy",
"retrocomputing",
"VTech",
"z80",
"z88dk"
] | Our more youthful readers are fairly likely to have owned some incarnation of a VTech educational computer. From the mid-1980s and right up to the present day, VTech has been producing vaguely laptop shaped gadgets aimed at teaching everything from basic reading skills all the way up to world history. Hallmarks of thes... | 23 | 12 | [
{
"comment_id": "6187184",
"author": "The Mog",
"timestamp": "2019-10-15T05:26:35",
"content": "Perhaps he would be kind enough to dump the BIOS ROM and share it with the MAME team.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6316404",
"author": "... | 1,760,373,725.784009 | ||
https://hackaday.com/2019/10/14/coffee-makes-3d-printing-better/ | Coffee Makes 3D Printing Better | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"cellulose",
"coffee",
"coffee grounds",
"PLA"
] | While we know some 3D printer operators who need coffee, Washington State University is showing an improved PLA material that incorporates
used coffee waste
. Regular PLA is not known for being especially strong, though It isn’t uncommon for vendors to add things to their PLA to change its characteristics.
The new mate... | 29 | 14 | [
{
"comment_id": "6187159",
"author": "dendad",
"timestamp": "2019-10-15T02:27:43",
"content": "Coffee makes everything better!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187204",
"author": "electrobob",
"timestamp": "2019-10-15T08:36:43"... | 1,760,373,725.440457 | ||
https://hackaday.com/2019/10/14/what-better-than-a-hexapod/ | What Better Than A Hexapod? | Sharon Lin | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printed",
"hexapod",
"open source",
"robot"
] | What’s more awesome than a normal hexapod robot? What about a MEGA hexapod?
Max the Megapod
, a six-legged 3D-printed walking robot, is an open source, Arduino-based, Bluetooth controlled, Scratch programmable creation made possible by [Steven Pendergrast]. The design for Max was based on a previous hexapod project, Vo... | 10 | 3 | [
{
"comment_id": "6187156",
"author": "Cbob",
"timestamp": "2019-10-15T02:07:47",
"content": "Meanwhile, someone out there is having a Doom flashback….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187190",
"author": "No one",
"timestamp": "... | 1,760,373,725.369347 | ||
https://hackaday.com/2019/10/14/this-dry-ice-powered-fog-machine-is-perfect-for-halloween/ | This Dry-Ice Powered Fog Machine Is Perfect For Halloween | Lewin Day | [
"Holiday Hacks"
] | [
"dry ice",
"fog",
"fog machine"
] | The leaves are turning brown, and the spookier season is upon us. If you’re currently working up plans for a top-notch Halloween party,
you would do well to consider building a fog machine like this unit from [DIY Machines]
!
This fog machine is based around dry ice, so you’ll need to source that from an external suppl... | 19 | 7 | [
{
"comment_id": "6187099",
"author": "Steve",
"timestamp": "2019-10-14T20:10:43",
"content": "And with some luck and bad enough ventilation, you’ll get some spooky dead bodies for free!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187106",
"author... | 1,760,373,725.323808 | ||
https://hackaday.com/2019/10/14/a-mostly-3d-printed-servo-gear-reduction/ | A (Mostly) 3D Printed Servo/Gear Reduction | Sharon Lin | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"2019 Hackaday Prize",
"gear",
"Hackaday Prize",
"motor",
"servo"
] | This
servo/gear reduction
was assembled with almost all 3D-printed parts. Apart from a brushed 36 V DC-motor, a stainless steel shaft, and screws for holding the servo together, the only other non-printed part is the BTS7960B motor driver.
Some interesting stats about the plastic servo – its stall torque is about 55 kg... | 5 | 3 | [
{
"comment_id": "6187123",
"author": "Jon Grimes",
"timestamp": "2019-10-14T21:35:52",
"content": "This is super interesting, but have you heard of a guy named Bill Masters? I recently read an article on OZY about how Masters developed the first 3D printing patent – then lost it. Anyone know anythin... | 1,760,373,725.488725 | ||
https://hackaday.com/2019/10/14/linux-fu-python-guis-for-command-line-programs-almost-instantly/ | Linux Fu: Python GUIs For Command Line Programs (Almost) Instantly | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Software Development",
"Software Hacks"
] | [
"command line",
"gooey",
"gui",
"linux",
"python"
] | Not every programmer likes creating GUI code. Most hacker types don’t mind a command line interface, but very few ordinary users appreciate them. However, if you write command line programs in Python, Gooey can help. By leveraging some Python features and a common Python idiom, you can
convert a command line program in... | 7 | 5 | [
{
"comment_id": "6187082",
"author": "Ostracus",
"timestamp": "2019-10-14T17:46:15",
"content": "Sort of a DESQview view of the CL world.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187110",
"author": "Forian Festi",
"timestamp": "2019-10-14T20:59:... | 1,760,373,725.720844 | ||
https://hackaday.com/2019/10/15/solar-powered-weeding-tractor-uses-manual-labour/ | Solar Powered Weeding Tractor Uses Manual Labour | Danie Conradie | [
"Solar Hacks",
"Transportation Hacks"
] | [
"agriculture",
"solar electric motor",
"tractor",
"weeding"
] | You might not have realised this, but there’s a group of hackers out there without whom you wouldn’t be able to put food on the table. They hack under the blazing sun and pouring rain, and have been doing it for thousands of years. Known more commonly as farmers, their creative problem solving skills with whatever is l... | 2 | 2 | [
{
"comment_id": "6187617",
"author": "Hirudinea",
"timestamp": "2019-10-17T00:25:46",
"content": "Good idea, sure as hell saves wear and tear on the workers backs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187643",
"author": "Alfiesauce",
"timest... | 1,760,373,725.525271 | ||
https://hackaday.com/2019/10/15/reverse-engineering-liberates-dash-cam-video/ | Reverse Engineering Liberates Dash Cam Video | Tom Nardi | [
"car hacks",
"Software Hacks"
] | [
"dash cam",
"h.264",
"Hi3516E",
"nmap",
"opencv",
"packet capture",
"python",
"reverse engineering",
"wireshark"
] | If you’ve purchased a piece of consumer electronics in the last few years, there’s an excellent chance that you were forced to use some proprietary application (likely on a mobile device) to unlock its full functionality. It’s a depressing reality of modern technology, and unless you’re willing to roll your own hardwar... | 12 | 6 | [
{
"comment_id": "6187338",
"author": "Thopter",
"timestamp": "2019-10-15T21:17:44",
"content": "Cool, I have that same camera in my car. Though I don’t see that this info is going to help me much",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187373",
"au... | 1,760,373,725.577989 | ||
https://hackaday.com/2019/10/15/hackaday-prize-china-finalists-announced/ | Hackaday Prize China Finalists Announced | Jenny List | [
"contests",
"Interest",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"Hackaday Prize China",
"hexapod",
"motion capture",
"raspberry pi",
"Raspberry Pi Compute Module",
"robot",
"robot vacuum",
"SBC",
"tablet",
"voice assistant"
] | In the time since the Hackaday Prize was first run it has nurtured an astonishing array of projects from around the world, and brought to the fore some truly exceptional winners that have demonstrated world-changing possibilities. This year it has been extended to a new frontier with the launch of the
Hackaday Prize Ch... | 3 | 2 | [
{
"comment_id": "6187323",
"author": "Doc Oct",
"timestamp": "2019-10-15T19:35:14",
"content": "The chosen picture for the PDA project reminds me of a low-cost touchscreen remote I used to have. The other pictures on the project look pretty neat though.",
"parent_id": null,
"depth": 1,
"... | 1,760,373,725.831878 | ||
https://hackaday.com/2019/10/15/how-to-build-the-strongest-arches/ | How To Build The Strongest Arches | Sharon Lin | [
"Hackaday Columns",
"Transportation Hacks"
] | [
"arches",
"architecture",
"education",
"physics"
] | When it comes to architectural features, there are probably not many as quintessentially memorable as
arches
. From the simplicity of the curved structure to the seemingly impossible task of a supposedly collapsable shape supporting so much weight in mid-air, they’ve naturally fascinated architects for generations.
For... | 13 | 10 | [
{
"comment_id": "6187304",
"author": "Andy Pugh",
"timestamp": "2019-10-15T17:22:09",
"content": "A pedantic point: The upside down chain model by Gaudi shown in the article was forhttps://en.wikipedia.org/wiki/Col%C3%B2nia_G%C3%BCellnot Sagrada Familia.",
"parent_id": null,
"depth": 1,
... | 1,760,373,725.887656 | ||
https://hackaday.com/2019/10/15/a-diy-bench-sized-milling-machine/ | A DIY Bench-Sized Milling Machine | Lewin Day | [
"Tool Hacks"
] | [
"mill"
] | Hanging around the machining community online, you’d be more than familiar with clapped out Bridgeport mills, which are practically a meme at this point. But mills come in all shapes and sizes, from the stout old iron from the days of yore, to smaller, compact builds. [Honus] decided to build the latter,
and shared the... | 25 | 5 | [
{
"comment_id": "6187285",
"author": "Mike Massen",
"timestamp": "2019-10-15T15:46:26",
"content": "Nice post, thanks for sharing :-)I like milling machines and combo lathes with maybe an articulated arm with appropriate tool for various things such as selective graded polishing etc.Aluminium extrus... | 1,760,373,726.04646 | ||
https://hackaday.com/2019/10/15/the-final-days-of-the-fire-lookouts/ | The Final Days Of The Fire Lookouts | Tom Nardi | [
"Current Events",
"Featured",
"History",
"Slider",
"Tool Hacks"
] | [
"drone",
"environmental monitoring",
"firefighting",
"lookout",
"tower",
"uav",
"weather satellite",
"wildfire"
] | For more than a century, the United States Forest Service has employed men and women to monitor vast swaths of wilderness from isolated lookout towers. Armed with little more than a pair of binoculars and a map, these lookouts served as an early warning system for combating wildfires. Eventually the towers would be equ... | 72 | 24 | [
{
"comment_id": "6187252",
"author": "mark",
"timestamp": "2019-10-15T14:03:25",
"content": "My state has a lot of old fire towers they desperately try to get rid of, but via auction. So they appear on auction ($5 starting bid)… with the caveat that YOU have to come remove them somehow.It isn’t surp... | 1,760,373,726.176707 | ||
https://hackaday.com/2019/10/15/hacking-pixmob-bands-and-finding-a-toolchain/ | Hacking Pixmob Bands And Finding A Toolchain | Lewin Day | [
"LED Hacks",
"Wearable Hacks"
] | [
"led band",
"led wristband",
"pixmob"
] | The Pixmob band is an LED wrist strap, of the type often used at big concerts or other public events. Many have tinkered with the device, but as of yet, nobody was running custom code. It wouldn’t be easy,
but [JinGen Lim] got down to work.
The wristbands are given out to concertgoers to create synchronized light shows... | 16 | 6 | [
{
"comment_id": "6187222",
"author": "Harvie.CZ",
"timestamp": "2019-10-15T11:48:10",
"content": "Do they have some kind of spatial triangulation, so they can adress each pixmob separately based on it’s location. For example to make “waves” of light propagating through crowd? What technology do they... | 1,760,373,726.300504 | ||
https://hackaday.com/2019/10/16/rtfm-adcs-and-dacs/ | RTFM: ADCs And DACs | Ted Yapo | [
"Engineering",
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"adc",
"analog",
"calibration",
"converter",
"dac",
"digital",
"DNL",
"INL"
] | It’s tough to find a project these days that doesn’t use an analog-to-digital converter (ADC) or digital-to-analog converter (DAC) for
something
. Whether these converters come as built-in peripherals on a microcontroller, or as separate devices connected over SPI, I2C, or parallel buses, all these converters share som... | 11 | 4 | [
{
"comment_id": "6187565",
"author": "MAC",
"timestamp": "2019-10-16T19:08:20",
"content": "“RTFM” needs to come back into common use. very handy abbreviation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187613",
"author": "Justin",
"time... | 1,760,373,726.455174 | ||
https://hackaday.com/2019/10/16/diy-video-microscopy/ | DIY Video Microscopy | Anool Mahidharia | [
"hardware",
"Raspberry Pi"
] | [
"microscope",
"optical microscope",
"raspberry",
"raspberry pi",
"Raspberry pi camera"
] | Owning a Microscope is great fun as a hobby in general, but for hackers, it is a particularly useful instrument for assembly and inspection, now that we are building hardware with “grain of sand” sized components in our basements and garages. [voidnill] was given an Eduval 4 microscope by a well-meaning friend during a... | 8 | 4 | [
{
"comment_id": "6187502",
"author": "zaprodk",
"timestamp": "2019-10-16T16:06:05",
"content": "Does the hard drive have a imaging purpose since it’s part of the write-up? I would expect it to be hacked and do some optical duty at least (lens/voice coil) etc …",
"parent_id": null,
"depth": 1... | 1,760,373,726.346729 | ||
https://hackaday.com/2019/10/16/pack-your-bags-systemd-is-taking-you-to-a-new-home/ | Pack Your Bags – Systemd Is Taking You To A New Home | Sven Gregori | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Software Development"
] | [
"linux",
"operating system",
"philosophy",
"system administration",
"system architecture",
"systemd",
"unix"
] | Home directories have been a fundamental part on any Unixy system since day one. They’re such a basic element, we usually don’t give them much thought. And why would we? From a low level point of view, whatever location
$HOME
is pointing to, is a directory just like any other of the countless ones you will find on the ... | 177 | 50 | [
{
"comment_id": "6187455",
"author": "Greg A",
"timestamp": "2019-10-16T14:18:39",
"content": "The thing people don’t realize is that with ChromeOS and Android, the dream of regular user Linux has been realized. And really, it looks a lot like MacOS X! Love it or hate it, it covers that niche. Sy... | 1,760,373,726.780324 | ||
https://hackaday.com/2019/10/16/a-tamagotchi-for-wifi-cracking/ | A Tamagotchi For WiFi Cracking | Bryan Cockfield | [
"Security Hacks"
] | [
"ai",
"artificial intelligence",
"data",
"network",
"pwnagotchi",
"security",
"sniffer",
"tamagotchi",
"wep",
"wifi",
"wpa"
] | OK, let’s start this one by saying that it’s useful to know how to break security measures in order to understand how to better defend yourself, and that you shouldn’t break into any network you don’t have access to. That being said, if you want to learn about security and the weaknesses within the WPA standard,
there’... | 8 | 6 | [
{
"comment_id": "6187449",
"author": "Gianluca",
"timestamp": "2019-10-16T13:50:29",
"content": "Thanks to evilsocket, for his creativity.https://twitter.com/evilsocket",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187479",
"author": "Jakey",
"timest... | 1,760,373,726.401688 | ||
https://hackaday.com/2019/10/16/cordless-drill-sprouts-wings-and-takes-flight/ | Cordless Drill Sprouts Wings And Takes Flight | Lewin Day | [
"Tool Hacks"
] | [
"drill",
"power drill"
] | Brushless motors and lithium batteries were a revolution for remote control aircraft. No longer would nitro engines rule the roost, as flying became far cheaper and more accessible almost overnight. The same technology has also found its way into power tools, leading to [Peter Sripol] deciding to
build a powerdrill int... | 12 | 7 | [
{
"comment_id": "6187418",
"author": "Frisco",
"timestamp": "2019-10-16T09:22:10",
"content": "Nice meat slicer for dummies. I really was hoping for a cut leg on the first throw.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187431",
"author": "Wil... | 1,760,373,726.925358 | ||
https://hackaday.com/2019/10/15/recreating-lord-nikons-laptop-from-hackers/ | Recreating Lord Nikon’s Laptop FromHackers | Tom Nardi | [
"laptops hacks",
"Raspberry Pi"
] | [
"casemod",
"hackers",
"movie prop",
"Powerbook",
"raspberry pi",
"replica"
] | The outlandish computers from 1995’s
Hackers
are easily one of the most memorable elements of the iconic cult classic. In the film, each machine is customized to reflect the individual hacker that operates it, and feature everything from spray painted camouflage paint schemes to themed boot animations based on the owne... | 26 | 11 | [
{
"comment_id": "6187402",
"author": "duh",
"timestamp": "2019-10-16T07:20:25",
"content": "Is it just too obvious, or am I really the first one to recognize the irony of putting RISC in this machine?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187406",
... | 1,760,373,726.580556 | ||
https://hackaday.com/2019/10/15/endless-electronic-problems-for-solving/ | Endless Electronic Problems For Solving | Al Williams | [
"Misc Hacks"
] | [
"circuit analysis",
"education",
"ee",
"electrical engineering",
"SPICE"
] | We know not everyone who likes to build circuitry wants to dive headfirst into the underlying electrical engineering that makes everything work. However, if you want to, now is a great time. Many universities have most or all of their material online and you can even take many courses for free. If you want an endless p... | 10 | 6 | [
{
"comment_id": "6187382",
"author": "Kiran Shila",
"timestamp": "2019-10-16T03:20:54",
"content": "Obligatory “not a hack”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6187487",
"author": "Tenaja",
"timestamp": "2019-10-16T15:24:19",
... | 1,760,373,726.511649 | ||
https://hackaday.com/2019/10/13/hackaday-links-october-13-2019/ | Hackaday Links: October 13, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"ai",
"apocalypse",
"blackout",
"california",
"collapse",
"ESP8266",
"facial recognition",
"Fusion 360",
"google",
"hackaday links",
"licensing",
"os",
"PG&E",
"Wemos",
"z80"
] | Trouble in the Golden State this week, as
parts of California were subjected to planned blackouts
. Intended to prevent a repeat of last year’s deadly wildfires, which were tied in part to defective electrical distribution equipment, the blackouts could plunge millions in the counties surrounding Sacramento into the da... | 20 | 5 | [
{
"comment_id": "6186880",
"author": "Saabman",
"timestamp": "2019-10-13T23:46:28",
"content": "This collapse OS would be far more viable if it could be loaded onto a current smartphone or modern Computer Which are readily available.I haven’t seen a Z80 based machine in over a decade.",
"parent_... | 1,760,373,726.982451 | ||
https://hackaday.com/2019/10/13/shapeshifter-an-open-source-drum-machine/ | Shapeshifter – An Open Source Drum Machine | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"drum machine"
] | With microcontrollers growing ever more powerful each new generation, things that were mere pipedreams before are now readily possible.
The Shapeshifter drum machine is a perfect example.
Shapeshifter’s design is open-source,
with everything available on Github
for the curious musical tinkerers out there. The device is... | 2 | 2 | [
{
"comment_id": "6186871",
"author": "BT",
"timestamp": "2019-10-13T22:18:36",
"content": "“The device is built around a PCB with only through-hole components”: the PCB in the article’s photo has plenty of surface mount components on it!",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,373,727.021655 | ||
https://hackaday.com/2019/10/13/nixie-clock-failure-analysis-dalibor-farny-style/ | Nixie Clock Failure Analysis, [Dalibor Farný] Style | Dan Maloney | [
"clock hacks"
] | [
"clock",
"failure analysis",
"nixie",
"pcb",
"QA",
"QC",
"quality control",
"repair",
"solder",
"teardown",
"via"
] | We’ve become sadly accustomed to consumer devices that seem to give up the ghost right after the warranty period expires. And even when we get “lucky” and the device fails while it’s still covered, chances are that there will be no attempt to repair it; the unit will be replaced with a new one, and the failed one will ... | 2 | 2 | [
{
"comment_id": "6186844",
"author": "Alexander Wikström",
"timestamp": "2019-10-13T18:50:39",
"content": "And here I were hoping for some fancy way to revive a broken Nixie tube.Not an example of poor product design and how to fix its mistakes as they crop up.Though, the via failure is not somethin... | 1,760,373,727.475773 | ||
https://hackaday.com/2019/10/13/prusa-unveils-new-mini-printer-shakes-up-the-competition/ | Prusa Unveils New Mini 3D Printer, Shakes Up The Competition | Tom Nardi | [
"3d Printer hacks",
"cons",
"Slider"
] | [
"32-bit",
"Bowden extruder",
"East Coast RepRap Festival",
"ERRF 19",
"Octoprint",
"prusa",
"Prusa Mini",
"stm32f407",
"Trinamic"
] | For the last couple of years, consumer desktop 3D printer choices in the under $1,000 USD range have fallen into two broad categories: everything bellow $500 USD, and the latest Prusa i3. There are plenty of respectable printers made by companies such as Monoprice and Creality to choose from on that lower end of the sc... | 83 | 20 | [
{
"comment_id": "6186800",
"author": "mathman",
"timestamp": "2019-10-13T14:39:07",
"content": "“everything bellow $500 USD”No need to scream just cause it’s cheap ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186840",
"author": "Elliot Williams... | 1,760,373,728.022337 | ||
https://hackaday.com/2019/10/13/not-all-7-segment-displays-are-electronic/ | Not All 7-Segment Displays Are Electronic | Jenny List | [
"hardware"
] | [
"7-segment display",
"flipdot",
"mechanical display"
] | There are a variety of means by which numbers can be displayed from an electronic circuit, and probably the most ubiquitous remains the seven-segment display. Take seven LEDs, lamps, LCDs, VFD segments or mechanical flip-dot style units in the familiar rectangular figure eight, and your microcontroller or similar can d... | 23 | 14 | [
{
"comment_id": "6186768",
"author": "Axl Heck",
"timestamp": "2019-10-13T11:24:41",
"content": "It’s awesome! Congratulation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186771",
"author": "kiu",
"timestamp": "2019-10-13T11:58:20",
"content": ... | 1,760,373,727.880302 | ||
https://hackaday.com/2019/10/13/diy-midi-looper-controller-looks-fantastic/ | DIY MIDI Looper Controller Looks Fantastic! | Rich Hawkes | [
"hardware",
"Musical Hacks"
] | [
"arduino",
"arduino nano",
"midi",
"midi controller"
] | Due to pedalboard size, complicated guitar pedals sometimes reduce the number of buttons to the bare minimum. Many of these pedals are capable of being controlled with an external MIDI controller, however, and necessity being the mother of invention and all, this is a great opportunity to build something and learn some... | 4 | 2 | [
{
"comment_id": "6186774",
"author": "Gösta",
"timestamp": "2019-10-13T12:35:16",
"content": "Beautiful! I love the MIDI protocol, makes things possible.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186831",
"author": "Patrick Burns",
"tim... | 1,760,373,727.806929 | ||
https://hackaday.com/2019/10/12/quality-sound-proof-cans-from-personal-protective-equipment/ | Quality Sound-Proof Cans From Personal Protective Equipment | Jenny List | [
"home entertainment hacks"
] | [
"ear defenders",
"earphones",
"headphones"
] | Working in a noisy office can be distracting. To combat the problem in his workplace [Rikard Anglerud] bought himself a pair of 3M ear defenders. They were good, but not quite good enough to completely extinguish the noise, so he inserted the drivers from a pair of cheap headphones and played a low-level white noise. T... | 13 | 9 | [
{
"comment_id": "6186751",
"author": "Tweepy",
"timestamp": "2019-10-13T07:17:44",
"content": "Nice build, but why not using around the ears headphones with noise canceling over the shelves? They are pretty good nowadays, and wireless too.Definitely looking for a DIY noise canceling project.",
"... | 1,760,373,728.278001 | ||
https://hackaday.com/2019/10/14/hacking-diabetes-hack-chat/ | Hacking Diabetes Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"biohacking",
"cgm",
"continuous glucose monitor",
"diabetes",
"insulin pump",
"open source",
"pancreas",
"The Hack Chat"
] | Join us on Wednesday, October 16 at noon Pacific for the
Hacking Diabetes Hack Chat
with
Dana Lewis
!
When your child is newly diagnosed with Type 1 diabetes (T1D), everyone is quick to point out, “It’s a great time to be a diabetic.” To some degree, that’s true; thanks to genetically engineered insulin, more frequent ... | 2 | 2 | [
{
"comment_id": "6187365",
"author": "jafinch78",
"timestamp": "2019-10-16T00:17:34",
"content": "Looking forward to! Excellent to see more diagnostic devices that are cost effective and effective for therapeutic purposes. Even better, when a hacked diagnostic and therapeutic device!",
"parent... | 1,760,373,728.463698 | ||
https://hackaday.com/2019/10/14/the-morningrod-wants-your-mornings-easier-not-harder/ | The MorningRod Wants Your Mornings Easier, Not Harder | Donald Papp | [
"home hacks",
"Wireless Hacks"
] | [
"3d printed",
"curtains",
"ESP32",
"home automation",
"NEMA17"
] | Curtains are about as simple as household devices get, but they can be remarkably troublesome to automate. Everyone’s window treatments are slightly different, which frustrates a standardized solution. [dfrenkel] has a passion for DIY and wanted his mornings flooded with sunlight for more peaceful awakenings, so the
Mo... | 19 | 8 | [
{
"comment_id": "6187058",
"author": "Tom Brusehaver",
"timestamp": "2019-10-14T15:57:01",
"content": "How about a C channel, then a printed or manufactured threaded rod. Left hand thread for half, right hand tread for the rest. Two simple cars ride the threads and pull the curtain.",
"parent_id... | 1,760,373,728.565519 | ||
https://hackaday.com/2019/10/14/military-gliders-are-making-a-comeback-this-time-in-unmanned-form/ | Military Gliders Are Making A Comeback, This Time In Unmanned Form | Danie Conradie | [
"drone hacks",
"Transportation Hacks"
] | [
"autonomous delivery",
"drone",
"glider",
"military"
] | Sun Tzu said, “The line between disorder and order lies in logistics.” This is as true in the modern world as it was 2500 years ago, and logistics have helped win and lose many wars and battles over the centuries. To this end, Logistical Gliders Inc. is developing
one-time use, unmanned delivery gliders
, for the US Mi... | 33 | 9 | [
{
"comment_id": "6187039",
"author": "Brian",
"timestamp": "2019-10-14T15:02:36",
"content": "Should have known this was something that the USMC was supporting. If it is cheap, works, and can take a beating the jarheads will buy it. LOL, the duct-taped sides reminded me of some of the test projects ... | 1,760,373,728.680386 | ||
https://hackaday.com/2019/10/14/gutted-hoverboard-becomes-formidable-track-drive-robot/ | Gutted Hoverboard Becomes Formidable Track-Drive Robot | Dan Maloney | [
"Robots Hacks"
] | [
"BLDC",
"esc",
"hoverboard",
"link",
"lipo",
"robot",
"tank",
"track",
"tread"
] | When “hoverboards” first came out, you may have been as disappointed as we were that they did not even remotely fulfill the promises of
Back to the Future II
. Nothing more than a fancified skateboard, hoverboards are not exactly groundbreaking technology. That doesn’t mean they’re not useful platforms for hacking, tho... | 6 | 5 | [
{
"comment_id": "6186989",
"author": "LuPo",
"timestamp": "2019-10-14T11:36:43",
"content": "r0x",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6187092",
"author": "BotherSaidRobots",
"timestamp": "2019-10-14T19:45:50",
"content": "nO dIssAsEmBLe !... | 1,760,373,728.505992 | ||
https://hackaday.com/2019/10/14/get-dirty-in-your-quest-for-power/ | Get Dirty In Your Quest For Power! | Jenny List | [
"green hacks"
] | [
"MFC",
"microbes",
"microbial fuel cells"
] | A fascinating oddity in the list of potential alternative power sources is the microbial fuel cell, in which the chemical reactions of micro-organisms digesting their food are harnessed to harvest electrons and thus generate electrical current. We’d like to know more, so [Williamolyolson]’s
soil microbial fuel cell
is ... | 12 | 5 | [
{
"comment_id": "6186964",
"author": "John",
"timestamp": "2019-10-14T09:21:21",
"content": "I wonder if you could use this to measure the health of your microorganism or bacterium. For example in a septic tank you can see if the wife has stuck too much detergent in the washing machine and whether y... | 1,760,373,728.612041 | ||
https://hackaday.com/2019/10/13/hacking-broken-plastic-parts-without-a-3d-printer/ | Hacking Broken Plastic Parts Without A 3D Printer | Al Williams | [
"Repair Hacks"
] | [
"baking soda",
"cyanoacrylate",
"plastic",
"super glue",
"superglue"
] | We’ve all encountered the odd plastic part that is broken and unobtainable. Sure, 3D printers can print big replacement parts, but sometimes you just need to rebuild a very specific piece. [AkBkukU] shows off a technique for doing just that
using a process you could almost call manual 3D printing
. We’ve seen baking so... | 16 | 12 | [
{
"comment_id": "6186935",
"author": "Duh",
"timestamp": "2019-10-14T06:13:32",
"content": "Wow!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186940",
"author": "Max Siegieda (@CampGareth)",
"timestamp": "2019-10-14T06:30:25",
"content": "“banki... | 1,760,373,728.775428 | ||
https://hackaday.com/2019/10/13/what-the-scale-mouse-teardown-throws-up-a-few-surprises/ | What The Scale? Mouse Teardown Throws Up A Few Surprises | Anool Mahidharia | [
"Teardown"
] | [
"logitech",
"mouse",
"MX Master 2S",
"MX Master 3",
"tear-down",
"teardown"
] | [Eric Weinhoffer] and his colleagues did a great comparative
tear down of the MX Master 3 and the MX Master 2S
mice from Logitech. Tear down’s are great fun and often end up teaching us a lot. Looking at the insides of a product can tell us a great deal about how to solve certain problems, or avoid pitfalls. Opening up... | 35 | 11 | [
{
"comment_id": "6186904",
"author": "Osgeld",
"timestamp": "2019-10-14T02:18:16",
"content": "seems like a simple mechanical slide would be much more effective over time and cheaper to produce",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186907",
"auth... | 1,760,373,729.063127 | ||
https://hackaday.com/2019/10/12/using-this-micro-deltesian-is-easy-for-children-to-use/ | This Micro Deltesian Is Easy For Children To Use | Gerrit Coetzee | [
"3d Printer hacks"
] | [
"3d printer",
"deltesian",
"kid",
"kid friendly"
] | [Ekaggrat Singh Kalsi] submits this
interesting printer
he built for his daughter to use. He admits that the project started simply out of curiosity about the strange deltesian movement. In this configuration, the X and Z-axis are a delta mechanism while the Y-axis is a regular Cartesian bed on rails. There’s not a loa... | 9 | 4 | [
{
"comment_id": "6186732",
"author": "John Stockton",
"timestamp": "2019-10-13T03:19:32",
"content": "Nice looking build. I never would have thought of that architecture. Great UI also.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186899",
"author... | 1,760,373,728.838387 | ||
https://hackaday.com/2019/10/12/flying-batteries-for-drones/ | Flying Batteries For Drones | Al Williams | [
"drone hacks"
] | [
"drone",
"flying battery",
"multirotor",
"quadcopter"
] | Power is the bane of drone pilots. You’d like to fly longer which means a bigger battery. But a bigger battery will weigh more which leads to less flight time. You have to strike a balance and for most consumer drones that balance is about 20 minutes of flight time, more or less. Researchers at Berkeley have a differen... | 22 | 19 | [
{
"comment_id": "6186713",
"author": "Kevin Sharp",
"timestamp": "2019-10-12T23:49:44",
"content": "So you have three drones, but only fly two at a time, when connected and only when one of them has a mostly dead battery (total battery starts at 75% after each swap and can only drop to 50% before an... | 1,760,373,729.119096 | ||
https://hackaday.com/2019/10/12/the-worlds-smallest-vacuum-in-an-altoids-tin/ | The World’s Smallest Vacuum In An Altoids Tin | Sharon Lin | [
"home hacks",
"how-to",
"Tool Hacks"
] | [
"2019 Hackaday Prize",
"altoids",
"Hackaday Prize",
"vacuum"
] | There’s been a lot of Altoids tin hacks over the years, but a
vacuum cleaner in a tin
is something new. In [
Toby Bateson
]’s first project on Hackaday, he used simple household items to create a functioning vacuum cleaner to use for sucking crumbs out of your keyboard or paper punch holes off your desk.
The vacuum fea... | 10 | 4 | [
{
"comment_id": "6186688",
"author": "Lily",
"timestamp": "2019-10-12T20:28:48",
"content": "https://hackaday.com/2019/09/19/tiny-vacuum-cleaner-sucks-in-a-good-way/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186689",
"author": "awildelectronapp... | 1,760,373,729.172763 | ||
https://hackaday.com/2019/10/12/robotic-laundry-line-reels-you-in/ | Robotic Laundry Line Reels You In | Richard Baguley | [
"how-to",
"Misc Hacks"
] | [] | It may not be a laundry-folding robot, but this robotic launders line build by [Radical Brad Graham] is pretty neat. He has a 75-foot hanging laundry line from his house to a woodshed, and decided
to roboticize it
using some bits that were lying around. The result is a simple build that adds push-button control to pull... | 22 | 16 | [
{
"comment_id": "6186644",
"author": "mime",
"timestamp": "2019-10-12T17:06:19",
"content": "Nice find! Brings a smile to my face, and is actually very handy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186658",
"author": "Osgeld",
"timestamp": "20... | 1,760,373,729.23271 | ||
https://hackaday.com/2019/10/12/dealing-with-missing-pin-allocations/ | Dealing With Missing Pin Allocations | Sharon Lin | [
"hardware"
] | [
"pcb",
"pin allocation",
"reverse engineering",
"silkscreen"
] | Blindsided by missing pin allocations? Perhaps you’re working on a piece of hardware and you notice that the documentation is entirely wrong. How can you get your device to work?
[Dani Eichhorn]’s troubles began when running an
IoT workshop
using a camera module. Prior to the work, no one had through to check if all of... | 3 | 3 | [
{
"comment_id": "6186618",
"author": "Matt",
"timestamp": "2019-10-12T14:46:11",
"content": "I have to say it’s a weird way to link to the story. Linking on “IoT workshop“ suggests we’ll get more information about the workshop, not about tackling this problem. I’d link from “a little more digging wa... | 1,760,373,731.361292 | ||
https://hackaday.com/2019/10/12/make-your-own-plasma-cutter/ | Make Your Own Plasma Cutter | Sharon Lin | [
"hardware",
"Tool Hacks"
] | [
"high voltage",
"metal",
"plasma cutter"
] | Of all the tools that exist, there aren’t many more futuristic than the plasma cutter, if a modern Star Wars cosplay if your idea of futuristic. That being said, plasma cutters are a powerful tool capable of making neat cuts through practically any material, and there are certainly worst ways to play with high voltage.... | 31 | 11 | [
{
"comment_id": "6186602",
"author": "huntdesigns",
"timestamp": "2019-10-12T12:31:37",
"content": "That is pretty impressive. I guess the concept is quite simple I assumed not overloading the lower voltage was the complex part, start a high voltage spark, keep enough voltage and amps to melt metal,... | 1,760,373,731.272224 | ||
https://hackaday.com/2019/10/12/how-to-make-a-living-with-embedded-systems/ | How To Make A Living With Embedded Systems | Sharon Lin | [
"how-to"
] | [
"career advice",
"embedded software engineer",
"interview"
] | One of the biggest dreams anyone has is to make a living doing what they love. For all hackers, makers, and DIYers with a passion for embedded systems, it may make sense initially to pursue embedded systems design as a possible career, but without so much information on the types of qualifications or steps needed to ac... | 50 | 11 | [
{
"comment_id": "6186563",
"author": "WereCatf",
"timestamp": "2019-10-12T08:59:13",
"content": "I often rail about that myself on many Youtube-videos. It seems to be a surprisingly difficult concept for people to grasp that…your speech is easier to listen to the less background-noise there is!",
... | 1,760,373,731.527935 | ||
https://hackaday.com/2019/10/11/extreme-refurbishing-amiga-edition/ | Extreme Refurbishing: Amiga Edition | Bryan Cockfield | [
"Retrocomputing"
] | [
"80's",
"amiga",
"Amiga 500",
"desoldering",
"electrochemical",
"electrolysis",
"restoration",
"retrocomputing",
"rust"
] | The last Amiga personal computer rolled off the assembly line in 1996, well over 20 years ago. Of course, they had their real heyday in the late 80s, so obviously if you have any around now they’ll be in need of a little bit of attention. [Drygol] recently received what looks like a pallet of old Amiga parts and set ab... | 17 | 5 | [
{
"comment_id": "6186537",
"author": "Slavisa Micic",
"timestamp": "2019-10-12T06:23:12",
"content": "Is phosphoric acid easily obtainable? It is perfect for silvervare…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186560",
"author": "James",
... | 1,760,373,731.080836 | ||
https://hackaday.com/2019/10/11/fast-video-covers-coax-velocity-factor/ | Fast Video Covers Coax Velocity Factor | Al Williams | [
"Radio Hacks"
] | [
"Coax",
"speed of light",
"tdr",
"time domain reflectometer",
"velocity factor"
] | We once saw an interview test for C programmers that showed a structure with a few integer, floating point, and pointer fields. The question: How big is this structure? The correct answer was either “It depends,” or “sizeof(struct x).” The same could be said of the question “What is the speed of light?” The flip answer... | 14 | 5 | [
{
"comment_id": "6186521",
"author": "Alan W2AEW",
"timestamp": "2019-10-12T02:26:08",
"content": "In the video, he says that the internal resistance slows down the signal. That’s not right. It is the dielectric constant of the insulator that is responsible for slowing the signal.",
"parent_id":... | 1,760,373,731.440972 | ||
https://hackaday.com/2019/10/11/tearing-down-ikeas-sonos-speaker/ | Tearing Down IKEA’S Sonos Speaker | Lewin Day | [
"Teardown"
] | [
"audio",
"ikea",
"teardown"
] | There’s little better way to learn about a piece of electronics than by tearing it down. Taking a peek under the hood can reveal all manner of things about a device’s design, manufacturing, and origins. [This Does Not Compute] does a great job of doing just that,
digging into the guts of IKEA’s
Symfonisk
speaker.
Symfo... | 13 | 11 | [
{
"comment_id": "6186516",
"author": "Nate B",
"timestamp": "2019-10-12T00:49:47",
"content": "“two channels are instead used to separately drive the tweeter and woofer”This is called “bi-amplification” in audio circles, just noting it here in case someone searches for that.",
"parent_id": null,... | 1,760,373,731.027329 | ||
https://hackaday.com/2019/10/11/fortified-feeder-for-feral-felines/ | Fortified Feeder For Feral Felines | Kristina Panos | [
"Raspberry Pi"
] | [
"automatic cat feeder",
"feral cat feeder",
"NEMA17",
"raspberry pi"
] | Most of the commercially-available pet feeders littering the internet are cheaply-made, with wimpy motors and infuriating interfaces. Want to use it outdoors? Good luck. If you need a heavy-duty, outdoor cat feeder,
you gotta heat up your soldering iron and do it yourself
.
[jplanaux] is under contract to feed a bunch ... | 30 | 10 | [
{
"comment_id": "6186486",
"author": "Justin",
"timestamp": "2019-10-11T21:25:23",
"content": "Why would you need to feed feral cats. Cats still have their instincts to hunt and be self sufficient because they were originally domesticated to rid farms and such places of vermin.",
"parent_id": nu... | 1,760,373,731.197385 | ||
https://hackaday.com/2019/10/11/portrait-painter-turns-g-code-into-artworks/ | Portrait Painter Turns G-Code Into Artworks | Lewin Day | [
"Art",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"art",
"oil paint",
"oil painter",
"portrait"
] | Portrait painting is, by and large, a human endeavour. But, like any and all skills, there are machines ready and willing to take a crack at it.
[Jose Salatino] has built just such a machine, and the results are impressive.
Samples of the artwork created by [Jose’s] portrait painter.
[Jose’s] portrait painter relies on... | 5 | 4 | [
{
"comment_id": "6186453",
"author": "Arthur Wolf",
"timestamp": "2019-10-11T18:35:58",
"content": "To the author of the project, if this is an Open-Source project, I’m awarding you a free Smoothieboard, just emailwolf.arthur@gmail.comto get it.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,373,731.134535 | ||
https://hackaday.com/2019/10/11/latest-dose-of-hardware-talks-headed-to-supercon/ | Latest Dose Of Hardware Talks Headed To Supercon | Mike Szczys | [
"cons",
"Featured"
] | [
"2019 Hackaday Superconference",
"Supercon",
"talks"
] | The tickets have sold out even as the list of incredible speakers grows. Today we bring you the third dose of talks you’ll see at the
Hackaday Superconference
in November — whether you were lucky enough to grab a ticket, or will be watching the livestream, these eight will be speaking on topics from algorithmically-aug... | 0 | 0 | [] | 1,760,373,731.56993 | ||
https://hackaday.com/2019/10/11/hackaday-podcast-039-elliot/ | Hackaday Podcast 039: Elliot <3 Lightning Detectors, Ikea Dark Mode, The Smartest Watch, Solar Sailing The Sky, And VAWT Controversy | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"B-17",
"dial indicator",
"diesel",
"digital indicator",
"Hackaday Podcast",
"lightning detector",
"Quirky",
"RC airplane",
"smartwatch",
"solar airplane",
"vawt",
"vespa"
] | Hackaday Editors Elliot Williams and Mike Szczys recap a week full of hacks from the solar sailing RC plane that has zero power storage, to geeking out about lightning detectors and hacking Ikea LED controllers to unlock real dimming to building backyard wind turbines. We look up an IoT egg tray with appreciation not f... | 1 | 1 | [
{
"comment_id": "6187704",
"author": "dillon1337",
"timestamp": "2019-10-17T11:39:04",
"content": "@Elliot, I have a Chronos sitting in a box somewhere if you ever want to get serious about hacking it. I just need to get it from US -> Germany.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,731.317851 | ||
https://hackaday.com/2019/10/11/everything-makes-sound-if-you-try-hard-enough/ | Everything Makes Sound If You Try Hard Enough | Brian McEvoy | [
"Musical Hacks"
] | [
"audible",
"audio",
"conduction speaker",
"resononance speaker",
"sound",
"speaker"
] | Speaker cone materials can be a deep rabbit hole ranging from inexpensive paper to kevlar. We’ve all cut apart, or blown out, the cheapies to see their inner workings, but the exotic material list does not stop at audiophile-quality models. It can include mirrors, microwave ovens, and a
European hacker’s forehead
. Vid... | 8 | 6 | [
{
"comment_id": "6186409",
"author": "sneakypoo",
"timestamp": "2019-10-11T15:50:51",
"content": "Did he build his own microphone as well? Jeebus, I couldn’t last even a minute with that audio.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186424",
... | 1,760,373,731.711642 | ||
https://hackaday.com/2019/10/11/this-week-in-security-signal-whatsapp-oauth-fishing-and-more-state-sponsored-attacks/ | This Week In Security: Signal, WhatsApp, Oauth Fishing, And More State-Sponsored Attacks | Jonathan Bennett | [
"Hackaday Columns"
] | [
"double free",
"oauth",
"This Week in Security"
] | A bug was recently fix in Signal that
allowed a caller to force a call connection without any user interaction
on the receiving side. We’ve seen this sort of problem in other chat applications, most recently the
Zoom debacle
.
The Signal client uses the same function to connect an outgoing call as an incoming call. Thi... | 10 | 7 | [
{
"comment_id": "6186389",
"author": "ALEJANDRO",
"timestamp": "2019-10-11T14:19:10",
"content": "Nations are a concept in decadence. Now we must talk about corporations, and there exists various supermen, oh sorry, super RICH men. And they owns YOU.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,731.777078 | ||
https://hackaday.com/2019/10/11/sending-an-esp32-into-space/ | Sending An ESP32 Into Space | Sharon Lin | [
"Arduino Hacks",
"Space"
] | [
"cubesats",
"dlr",
"ESP32",
"space"
] | Just two weeks ago, the crew from the International Space Station released a photo of their nine crew members – an odd number considering that the facility only has space to house six astronauts at a time. In fact, the crew had just gathered for a celebratory dinner before three of the astronauts were to return home. T... | 20 | 10 | [
{
"comment_id": "6186347",
"author": "Kyle",
"timestamp": "2019-10-11T11:28:19",
"content": "I wonder why something like a Teensy or an ST chip didn’t get any love.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186355",
"author": "NickB",
"... | 1,760,373,732.441567 | ||
https://hackaday.com/2019/10/11/cpu-showdown-for-pancakes/ | CPU Showdown For Pancakes | Al Williams | [
"computer hacks",
"News"
] | [
"amd",
"cpu",
"intel",
"pancakes"
] | If you ask people how they rate as a driver, most of them will say they are better than average. At first, that seems improbable until you realize one thing: people judge themselves by different criteria. So Sally thinks she’s a good driver because she goes fast. Tom’s never had a wreck. Alice never gets lost. You can ... | 27 | 12 | [
{
"comment_id": "6186336",
"author": "none",
"timestamp": "2019-10-11T10:21:39",
"content": "If I wanted to see clickbait on YouTube, I’d go to YouTube. Please stop reurgitating this stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186341",
"author":... | 1,760,373,732.326558 | ||
https://hackaday.com/2019/10/10/building-iot-devices-the-easy-way/ | Building IoT Devices The Easy Way | Erin Pinheiro | [
"Raspberry Pi"
] | [
"docker",
"home automation",
"IoT",
"raspberry pi",
"smart home"
] | Do you have a Raspberry Pi? What is it being used for right now? If you’re like the majority of people who replied to [Michael Hall’s] poll on Twitter, it’s likely yours is sitting on a shelf doing nothing too. So why not just
turn it into an IoT device for your home
?
[Michael] wrote an easy-to-follow guide focusing o... | 7 | 4 | [
{
"comment_id": "6186323",
"author": "andrej",
"timestamp": "2019-10-11T08:45:07",
"content": "Michael’s twitter pollhttps://twitter.com/mhall119/status/1144268408613158913mentioned above.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186358",
"author": ... | 1,760,373,732.527273 | ||
https://hackaday.com/2019/10/10/fail-of-the-week-how-not-to-re-reflow/ | Fail Of The Week: How Not To Re-Reflow | Dan Maloney | [
"hardware"
] | [
"fail of the week",
"flux",
"header",
"reflow",
"smd",
"smt",
"soldering",
"through hole"
] | There’s no question that surface-mount technology has been a game-changer for PCB design. It means easier automated component placement and soldering, and it’s a big reason why electronics have gotten so cheap. It’s not without problems, though, particularly when you have no choice but to include through-hole component... | 30 | 11 | [
{
"comment_id": "6186276",
"author": "Magster",
"timestamp": "2019-10-11T02:54:50",
"content": "Theres gotta be 10 billion different shortcuts here, STOP KEEPING INFORMATION FROM PEOPLE.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6186282",
"autho... | 1,760,373,732.597626 | ||
https://hackaday.com/2019/10/10/the-cutest-oscilloscope-ever-made/ | The Cutest Oscilloscope Ever Made | Sharon Lin | [
"handhelds hacks",
"hardware",
"Microcontrollers",
"Tool Hacks"
] | [
"adc",
"analog electronics",
"microcontroller",
"oscilloscope"
] | If you thought your handheld digital oscilloscope was the most transportable of your signal analyzing tools, then you’re in for a surprise. This
oscilloscope
made by [Mark Omo] measures only one square inch, with the majority of the space taken up by the OLED screen.
It folds out into an easier instrument to hold, and ... | 11 | 7 | [
{
"comment_id": "6186230",
"author": "Eric J Weatherby",
"timestamp": "2019-10-10T23:08:11",
"content": "“a TLV3541 op-amp and ADG633 tripe SPDT analog switch”Gutsy move.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186277",
"author": "Michael Colton",
... | 1,760,373,732.648486 | ||
https://hackaday.com/2019/10/09/turning-old-toggle-switches-into-retro-tech-showpieces/ | Turning Old Toggle Switches Into Retro-Tech Showpieces | Dan Maloney | [
"Repair Hacks"
] | [
"phenolic",
"polishing",
"restoration",
"retro",
"teardown",
"toggle switch",
"vintage"
] | While those of us in the hacking community usually focus on making new things, there’s plenty to be said for restoring old stuff. Finding a piece of hardware and making it look and work like new can be immensely satisfying, and dozens of YouTube channels and blogs exist merely to feed the need for more restoration cont... | 2 | 2 | [
{
"comment_id": "6186134",
"author": "kidwidget",
"timestamp": "2019-10-10T18:13:59",
"content": "Excellent resource.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186229",
"author": "Mr Name Required",
"timestamp": "2019-10-10T22:52:26",
"conten... | 1,760,373,732.178987 | ||
https://hackaday.com/2019/10/09/modular-music-synthesis-on-the-web/ | Modular Music Synthesis On The Web | Al Williams | [
"Musical Hacks"
] | [
"browser",
"Modular synthesizer",
"music",
"web app",
"web application"
] | It is hard to imagine how the electronics hobby survived without the Internet. You found like-minded people and projects in magazines. And it is even harder to imagine what projects were in the magazines before the widespread availability of CPU chips. Think about it, there are only so many things you can build with a ... | 3 | 3 | [
{
"comment_id": "6185928",
"author": "Marvin",
"timestamp": "2019-10-10T07:27:22",
"content": "cute!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6186062",
"author": "Nate B",
"timestamp": "2019-10-10T15:32:12",
"content": "VCV Rack is another vi... | 1,760,373,732.485863 | ||
https://hackaday.com/2019/10/09/literal-stretch-sensing-glove-reconstructs-your-hand-poses/ | Literal Stretch-Sensing Glove Reconstructs Your Hand Poses | Sonya Vasquez | [
"Virtual Reality",
"Wearable Hacks"
] | [] | Our hands are rich forms of gestural expression, but capturing these expressions without hindering the hand itself is no easy task–even in today’s world of virtual reality hardware. Fret not, though, as researchers at the Interactive Geometry Lab have recently developed
a glove that’s both comfortable and straightforwa... | 9 | 4 | [
{
"comment_id": "6185872",
"author": "robert colquhoun",
"timestamp": "2019-10-09T23:17:23",
"content": "this would be great for vr",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6185977",
"author": "Shannon",
"timestamp": "2019-10-10T10:06:5... | 1,760,373,732.376203 | ||
https://hackaday.com/2019/10/09/connected-world-contest-four-top-winners-announced/ | Connected World Contest: Four Top Winners Announced | Jenny List | [
"contests"
] | [
"Connected World",
"contest",
"digikey"
] | We love seeing the astonishing array of projects large and small entered into Hackaday contests which push the boundaries of what is possible. Our latest has been the
Connected World contest
which was announced back in June, and today we’re pleased to bring you its four top winners. As a recap, the brief was to create ... | 0 | 0 | [] | 1,760,373,732.688546 | ||
https://hackaday.com/2019/10/09/these-dice-know-if-youre-cheating/ | These Dice Know If You’re Cheating | Sharon Lin | [
"Arduino Hacks"
] | [
"2019 Hackaday Prize",
"board games",
"dice",
"Hackaday Prize",
"Tabletop"
] | Fans of D&D are surely aware of the significance of a good pair of dice. What if your dice were not only stylish, but smart? For anyone who’s ever had to deal with playing board games with less than reputable siblings or friends, the
electric die
just might be your savior.
The dice are configured via Bluetooth, trackin... | 13 | 6 | [
{
"comment_id": "6185820",
"author": "robin",
"timestamp": "2019-10-09T19:02:58",
"content": "i wonder how balanced they are",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6185827",
"author": "Prowler50mil",
"timestamp": "2019-10-09T19:17:57"... | 1,760,373,732.74417 | ||
https://hackaday.com/2019/10/09/willem-kolffs-artificial-organs/ | Willem Kolff’s Artificial Organs | Dan Maloney | [
"Biography",
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"biography",
"dialysis",
"invention",
"medicine",
"science"
] | In my youth I worked for a paid ambulance service, and while we all lived for the emergency calls, the routine transports were the calls that paid the bills. Compared with the glamor and excitement of a lights-and-siren run to a car wreck or heart attack, transports were dull as dirt. And dullest of all were the daily ... | 45 | 10 | [
{
"comment_id": "6185784",
"author": "Daniel Larrosa",
"timestamp": "2019-10-09T17:20:26",
"content": "The true spirit of “hacking”, at the best level and with the highest aim.I hope someday I may be able to do something 1/1000 as good for mankind…Best regards,A/P Daniel F. Larrosa",
"parent_id"... | 1,760,373,733.001827 | ||
https://hackaday.com/2019/10/09/pickaxe-controller-is-great-for-minecraft-just-aim-carefully/ | Pickaxe Controller Is Great For Minecraft, Just Aim Carefully | Lewin Day | [
"Games"
] | [
"minecraft",
"motion controller",
"pickaxe"
] | Minecraft
started out as a lovable indie game, and became an unstoppable billion-dollar juggernaut in a remarkably quick fashion. Over time, it’s become a favorite among modders and those that seek to explore what’s possible with the game. [Eric] decided that the game could be more immersive,
and built this awesome pic... | 8 | 2 | [
{
"comment_id": "6185765",
"author": "rshg",
"timestamp": "2019-10-09T16:18:35",
"content": "Now reimplement it with PICAXE.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6185770",
"author": "miked",
"timestamp": "2019-10-09T16:33:14",
"content": ... | 1,760,373,732.905443 | ||
https://hackaday.com/2019/10/09/europeans-now-have-the-right-to-repair-and-that-means-the-rest-of-us-probably-will-too/ | Europeans Now Have The Right To Repair – And That Means The Rest Of Us Probably Will Too | Jenny List | [
"Current Events",
"Featured",
"green hacks",
"News",
"Original Art",
"Slider"
] | [
"domestic appliances",
"eu",
"right to repair"
] | As anyone who has been faced with a recently-manufactured household appliance that has broken will know, sometimes they can be surprisingly difficult to fix. In many cases it is not in the interests of manufacturers keen to sell more products to make a device that lasts significantly longer than its warranty period, to... | 142 | 22 | [
{
"comment_id": "6185718",
"author": "Moryc",
"timestamp": "2019-10-09T14:24:02",
"content": "Just because there is a new law, doesn’t mean manufacturers will make this easy or cheap. My mom has a big fridge. A plastic front of a drawer in the freezer part broke off. Replacement part from the distri... | 1,760,373,733.747944 | ||
https://hackaday.com/2019/10/09/dip-your-toes-in-the-open-water-of-raspipool/ | Dip Your Toes In The Open Water Of Raspipool | Kristina Panos | [
"Raspberry Pi"
] | [
"automation",
"ORP sensor",
"pH sensor",
"pool automation",
"raspberry pi",
"temperature sensor"
] | If you’re lucky enough to have a swimming pool, well, you may not feel all that lucky. Pools are great to have on a hot summer day, but keeping them crystal clear and pH-balanced is a deep dive into tedium. Sure, there are existing systems out there. They cost a kiddie pool of cash and are usually limited to particular... | 25 | 8 | [
{
"comment_id": "6185687",
"author": "Xeon",
"timestamp": "2019-10-09T11:55:52",
"content": "Been thinking of building a passive salt water chlorinator.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6185698",
"author": "Pete",
"timestamp": "... | 1,760,373,733.276622 | ||
https://hackaday.com/2019/10/09/soaring-with-the-sun-4-years-of-solar-rc-planes/ | Soaring With The Sun: 4 Years Of Solar RC Planes | Danie Conradie | [
"Solar Hacks"
] | [
"flying wing",
"mppt",
"RC airplane",
"solar panel",
"solar plane"
] | Many of us have projects that end up spanning multiple years and multiple iterations, and gets revisited every time inspiration strikes and you’ve forgotten just how much work and frustration the previous round was. For [Daniel Riley] AKA [rctestflight] that project is a
solar powered RC plane
which to date spans 4 yea... | 19 | 8 | [
{
"comment_id": "6185658",
"author": "Xeon",
"timestamp": "2019-10-09T08:50:57",
"content": "i love the passion.Definitely want to build a drone that can hover my home.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6185662",
"author": "Julian Silden... | 1,760,373,733.414825 | ||
https://hackaday.com/2019/10/08/captivating-clock-tells-time-with-tall-tubes/ | Captivating Clock Tells Time With Tall Tubes | Kristina Panos | [
"Arduino Hacks",
"clock hacks"
] | [
"arduino mega",
"clock",
"ILC1-1/8L",
"vfd",
"vfd != nixie"
] | Time is probably our most important social construct. Our perception of passing time changes with everything we do, and when it comes down to it, time is all we really have. You can choose to use it wisely, or sit back and watch it go by. If you want to do both, build a clock like this one, and spectate in sleek, sophi... | 1 | 1 | [
{
"comment_id": "6185645",
"author": "zaprodk",
"timestamp": "2019-10-09T07:33:48",
"content": "Those ILC1-1/8L are gorgeous, but the lifetime of them is in practice no more than 2-3 years, so better turn them off when not looking at them.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,373,733.355576 | ||
https://hackaday.com/2019/10/08/finding-pre-trained-ai-in-a-modelzoo-using-python/ | Finding Pre-Trained AI In A Modelzoo Using Python | Inderpreet Singh | [
"Machine Learning"
] | [
"ai",
"python",
"trained model"
] | Training a machine learning model is not a task for mere mortals, as it takes a lot of time or computing power to do so. Fortunately there are pre-trained models out there that one can use, and [Max Bridgland] decided it would be a good idea to write
a python module to find and view such models using the command line
.... | 0 | 0 | [] | 1,760,373,733.209858 | ||
https://hackaday.com/2019/10/08/3d-printed-tools-for-quick-press-brake-jobs/ | 3D Printed Tools For Quick Press Brake Jobs | Lewin Day | [
"3d Printer hacks"
] | [
"PLA",
"press",
"press tool"
] | Press brakes are a workshop staple when working with sheet metal. They’re ideal for executing accurate and repeatable bends over and over again. Typically, they’re fitted with steel tooling that can hold up to thousands of press cycles. However, such tooling is expensive, and time consuming to produce. [Anthony] recent... | 8 | 5 | [
{
"comment_id": "6185591",
"author": "Paul",
"timestamp": "2019-10-08T23:28:53",
"content": "I don’t have a brake, but dies printed to fit the jaws of my bench vise actually work really well for stuff less than the 5″ width or 2″ depth of the jaws, as long as you don’t have a lot of parts to do.",
... | 1,760,373,733.322096 | ||
https://hackaday.com/2019/10/08/spinning-esp32-display-puts-the-customer-first/ | Spinning ESP32 Display Puts The Customer First | Tom Nardi | [
"hardware",
"Microcontrollers"
] | [
"commission",
"esc",
"ESP32",
"motor controller",
"ODrive",
"signage",
"spinner"
] | Most of the projects we feature on Hackaday are built for personal use; designed to meet the needs of the person creating them. If it works for somebody else, then all the better. But occasionally we may find ourselves designing hardware for a paying customer, and as this video from [Proto G] shows,
that sometimes mean... | 36 | 13 | [
{
"comment_id": "6185535",
"author": "drenehtsral",
"timestamp": "2019-10-08T20:10:00",
"content": "And let me guess… It needs to run on a dirty 12v and is controlled by a couple of remote momentary switches… Is this going on a bootlegger’s car?",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,373,733.83385 | ||
https://hackaday.com/2019/10/08/making-music-from-cardboard/ | Making Music From Cardboard | Sharon Lin | [
"Arduino Hacks",
"Musical Hacks"
] | [
"2019 Hackaday Prize",
"DAW",
"digital music",
"Hackaday Prize"
] | Fans of MaKey MaKey may find this project similar, but there’s a lot more to the
Mini Automat
than making music from fruit.
The idea for the Mini Automat (which is an off-shoot of the original
Automat
project by [Dada Machines]) is to make music accessible to anyone. The device functions as a plug and play MIDI-control... | 0 | 0 | [] | 1,760,373,733.456334 | ||
https://hackaday.com/2019/10/08/teardown-quirky-egg-minder/ | Teardown: Quirky Egg Minder | Tom Nardi | [
"Hackaday Columns",
"home hacks",
"Slider",
"Teardown"
] | [
"eggs",
"Electric Imp",
"internet of things",
"kitchen",
"Quirky",
"smart home",
"Wink"
] | Many of the biggest stars are hesitant to do sequels, believing that the magic captured the first time around is hard to reproduce in subsequent productions. As I’m known (at least around the former closet that now serves as my home office) as the “Meryl Streep of Teardowns”, I try to follow her example when it comes t... | 59 | 18 | [
{
"comment_id": "6185486",
"author": "Hugo Fiennes (@hfiennes)",
"timestamp": "2019-10-08T17:12:09",
"content": "(co-founder of electric imp here)Worth noting that though Wink no longer allow new egg minder devices to be on-boarded, existing egg minders are still supported by Wink, and as they run o... | 1,760,373,733.941458 | ||
https://hackaday.com/2019/10/08/celebrate-ada-lovelace-day-by-catching-up-on-stories-of-science-and-technology/ | Celebrate Ada Lovelace Day By Catching Up On Stories Of Science And Technology | Mike Szczys | [
"Hackaday Columns"
] | [
"ada lovelace day",
"profiles in science"
] | Today is
Ada Lovelace Day
, a day to celebrate and encourage women in the fields of science and technology.
It’s a perfect time to look back and catch up on biographies of some incredible people whose stories have been featured over the past year. You’ll find a ton of those below, but while we have your attention we wa... | 10 | 7 | [
{
"comment_id": "6185469",
"author": "Biomed",
"timestamp": "2019-10-08T16:02:49",
"content": "Best series HAD has published!There is not and never has been a valid cause to discount half of the human race.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "618550... | 1,760,373,733.994639 | ||
https://hackaday.com/2019/10/08/the-long-history-of-fast-reactors-and-the-promise-of-a-closed-fuel-cycle/ | The Long History Of Fast Reactors And The Promise Of A Closed Fuel Cycle | Maya Posch | [
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"breeder reactors",
"fast reactors",
"thorium",
"uranium"
] | The discovery of nuclear fission in the 1930s brought with it first the threat of nuclear annihilation by nuclear weapons in the 1940s, followed by the promise of clean, plentiful power in the 1950s courtesy of nuclear power plants. These would replace other types of thermal plants with one that would produce no exhaus... | 86 | 13 | [
{
"comment_id": "6185451",
"author": "David Watson",
"timestamp": "2019-10-08T14:50:03",
"content": "That would explain why China bought the triSodium process from Dupont. Only problem the only place in the word that the process works great is in NY usa.",
"parent_id": null,
"depth": 1,
... | 1,760,373,734.130803 | ||
https://hackaday.com/2019/10/08/resurrecting-a-recalcitrant-se-30/ | Resurrecting A Recalcitrant SE/30 | Lewin Day | [
"Mac Hacks"
] | [
"mac se30",
"macintosh se30",
"SE/30"
] | The Macintosh SE/30 is well regarded as the choice pick of the compact Mac line. Packing a powerful 68030 processor and with the capability to use up to 128 MB of RAM, it brought serious grunt to bear in a tight form factor. With these machines now over 30 years old, they’re often quite worse for wear.
[This Does Not C... | 26 | 7 | [
{
"comment_id": "6185433",
"author": "quarterturn",
"timestamp": "2019-10-08T12:41:45",
"content": "Original late 80s to early 90s Mac are suffering badly from leaking caps and batteries. If you find one in classic eBay “untested” condition it is bound to require restoration. My SE/30 had chips so c... | 1,760,373,734.307585 | ||
https://hackaday.com/2019/10/08/hacking-the-ikea-tradfri-led-power-supply/ | Hacking The IKEA TRÅDFRI LED Power Supply | Donald Papp | [
"LED Hacks",
"Teardown"
] | [
"ikea",
"led",
"power supply",
"tradfri",
"wireless"
] | Just because something is being actively documented and tampered with by enthusiastic hackers doesn’t mean the information is handily centralized. There can be a lot of value in gathering disparate resources in one place, and that’s exactly what [Trammell Hudson] has done with
his resource page for hacking the IKEA TRÅ... | 22 | 6 | [
{
"comment_id": "6185393",
"author": "Elmesito",
"timestamp": "2019-10-08T08:24:44",
"content": "“Why bother tampering with these units? ”That is a fair question, I use the Ikea TRÅDFRI at home through my OpenHAB integration. It works flawlessly without hagving to tamper with the soldering iron.It i... | 1,760,373,734.190979 | ||
https://hackaday.com/2019/10/07/__trashed-7/ | This Dibbling Plate Will Grow Your Love For Sowing | Kristina Panos | [
"classic hacks",
"Tool Hacks"
] | [
"dibbler",
"dibbling",
"Laser cutting",
"seed sowing",
"specialized tools"
] | One of the best things about 3D printers and laser cutters is their ability to produce specialized tools that steal time back from tedious processes. Seed sowing is a great example of this. Even if you only want to sow one tray with two dozen or so seeds, you still have to fill the tray with soil, level it off, compres... | 13 | 2 | [
{
"comment_id": "6185383",
"author": "Bunsen",
"timestamp": "2019-10-08T07:35:56",
"content": "I had no idea that “dibbler” had a meaning unrelated to sausage inna bun. Guess you learn something every day if you’re not careful.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,734.249299 | ||
https://hackaday.com/2019/10/10/minature-table-saw-gets-the-teeny-jobs-done/ | Minature Table Saw Gets The Teeny Jobs Done | Lewin Day | [
"Tool Hacks"
] | [
"power tool",
"saw",
"table saw"
] | Table saws are highly useful tools, but tend to take up a lot of space. They’re usually designed to handle the bigger jobs in a workshop. It doesn’t have to be that way, however,
as [KJDOT] demonstrates with a miniature table saw.
It’s a saw that relies on a simple build. The frame is made of plywood, and can be built ... | 36 | 9 | [
{
"comment_id": "6186193",
"author": "Luke",
"timestamp": "2019-10-10T20:53:21",
"content": "Sourcing those parts locally anywhere else than in east Asia is mighty difficult and costs as much as a commercial table saw… made in China.Of course you can order everything from Aliexpress or Banggood etc.... | 1,760,373,735.117317 | ||
https://hackaday.com/2019/10/10/the-next-generation-arduino-nano/ | The Next Generation Arduino Nano | Sharon Lin | [
"Arduino Hacks"
] | [
"2019 Hackaday Prize",
"arduino nano",
"Hackaday Prize"
] | While we certainly do love the Arduino Nano for its low-cost and versatility in projects, it’s unarguable that every tools has its gripes. For one maker in particular, there were enough complaints to merit a
redesign
of the entire board. While Arduino may or may not be interested in incorporating these changes into a r... | 40 | 13 | [
{
"comment_id": "6186154",
"author": "Konstantin",
"timestamp": "2019-10-10T19:04:50",
"content": "Excuse me, what is the use-case for Arduino Nano? 32U4 does it all better (more RAM, programmable via USB). Yes, it is more expensive, but engineering time on figuring out how to connect it via USB-to-... | 1,760,373,734.490142 | ||
https://hackaday.com/2019/10/10/tools-you-cant-take-them-with-you/ | Tools, You Can’t Take Them With You | Jenny List | [
"Hackaday Columns",
"Interest",
"Slider",
"Tool Hacks"
] | [
"death",
"donations",
"legacy",
"tools"
] | When I die I hope be buried in the English rural churchyard that has been my responsibility as churchwarden, after a funeral service that has been a celebration of my life. I am neither an Egyptian pharaoh nor a Viking queen though, so my grave will not contain all my tools and equipment to serve me in the afterlife. I... | 91 | 38 | [
{
"comment_id": "6186121",
"author": "drenehtsral",
"timestamp": "2019-10-10T17:56:33",
"content": "One thing I think we should all do for sure is to label any hazardous materials correctly so that our loved ones do not curse us in our graves as they nurse their various burns from the unexpected ful... | 1,760,373,734.772721 | ||
https://hackaday.com/2019/10/10/diy-tiny-dovetail-cube-needs-diy-dovetail-cutter/ | DIY Tiny Dovetail Cube Needs DIY Dovetail Cutter | Donald Papp | [
"Art",
"Tool Hacks"
] | [
"aluminum",
"brass",
"dovetail",
"dovetail cube",
"freestyle",
"machining"
] | Dovetail cutter, made from a 5 mm drill rod.
There’s a trinket called a dovetail cube, and [mitxela] thought it would make a fine birthday present. As you can see from the image,
he was successful in creating a tiny version out of aluminum and brass
. That’s not to say there weren’t challenges in the process, and doing... | 4 | 2 | [
{
"comment_id": "6186096",
"author": "IIVQ",
"timestamp": "2019-10-10T16:49:45",
"content": "I love those dovetail cubes. I once read a (paper) article there are at least 7 methods of disassembling those, i.e.-the same outside look with a dovetail on 4 sides-being able to be disassembled by sliding ... | 1,760,373,734.390397 | ||
https://hackaday.com/2019/10/10/what-will-we-do-with-the-turbine-blades/ | What Will We Do With The Turbine Blades? | Lewin Day | [
"Engineering",
"Featured",
"green hacks",
"Slider"
] | [
"electrical grid",
"electricity",
"sf6",
"sulfur hexafluoride",
"wind power",
"Wind turbine"
] | As the global climate emergency continues to loom over human civilization, feverish work is underway around the world to find technical and political solutions to the problem. Much has been gained in recent years,
but as global emissions continue to increase
, there remains much left to do to stave off the most catastr... | 172 | 37 | [
{
"comment_id": "6186036",
"author": "zoobab",
"timestamp": "2019-10-10T14:18:01",
"content": "Or do like for mountain bike carbon frames:https://www.outsideonline.com/2261721/dirty-secret-hiding-your-high-end-mountain-bike“But when he asked what the facility did with the excess carbon trimmed off e... | 1,760,373,735.04958 | ||
https://hackaday.com/2019/10/10/%e1%a0%8ethis-sentence-%e2%80%8b%e2%80%8c%e2%80%8c%e2%80%8d%e2%80%8b%e2%80%8b%e1%a0%8e%e2%80%8b%e2%80%8b%e2%80%8bisnt-just-a-sentence/ | This Sentence Isn’t Just a Sentence | Sharon Lin | [
"Security Hacks",
"Software Hacks"
] | [
"browser extension",
"obfuscation",
"steganography"
] | Some sentences have more than meets the eye, and we’re not talking about interpretive nonsense. Rather, some sentences may contain up to four paragraphs’ worth of hidden text, invisible to readers.
Thanks to Zero Width Obfuscation, it is possible to use Zero Width Characters – Unicode characters that are invisible even... | 22 | 11 | [
{
"comment_id": "6185992",
"author": "CodeMonkey",
"timestamp": "2019-10-10T11:58:35",
"content": "It’s a nice topic, but…Great, you’ve added zero width characters to the article title but the extension doesn’t display them. It only states there’s some text there but no simple way to view it.",
... | 1,760,373,734.832195 | ||
https://hackaday.com/2019/10/10/how-random-is-random/ | How Random Is Random? | Sharon Lin | [
"Software Hacks"
] | [
"math",
"random number",
"random number generator",
"statistics"
] | Many languages feature a random number generator library for help with tasks like rolling a die or flipping a coin. Why, you may ask, is this necessary when humans are perfectly capable of randomly coming up with values?
[ex-punctis] was curious about the same quandary and decided to code up an
experiment
to test the t... | 10 | 10 | [
{
"comment_id": "6185946",
"author": "djsmiley2k",
"timestamp": "2019-10-10T08:53:04",
"content": "However if you knew that it was working on your last 5 presses, you only need to work around this to figure out how to make money ;)Yes, humans are terrible at random, but we’re good at making money ;D... | 1,760,373,735.166776 | ||
https://hackaday.com/2019/10/07/better-battery-management-through-chemistry/ | Better Battery Management Through Chemistry | Bob Baddeley | [
"chemistry hacks",
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"battery",
"battery analysis",
"battery life",
"battery technology",
"lipo",
"lipo battery",
"lithium",
"lithium battery",
"lithium cell",
"lithium ion",
"lithium polymer",
"Lithium-ion battery"
] | The lead-acid rechargeable battery is a not-quite-modern marvel. Super reliable and easy to use, charging it is just a matter of applying a fixed voltage to it and waiting a while; eventually the battery is charged and stays topped off, and that’s it. Their ease is countered by their size, weight, energy density, and t... | 33 | 9 | [
{
"comment_id": "6185180",
"author": "Luke",
"timestamp": "2019-10-07T14:24:55",
"content": "“High energy density (Lots of power stored in a small size)”Power and energy density are not the same thing, and the two break down further into volumetric and gravimetric energy density. LiPo-s are high in ... | 1,760,373,735.294098 | ||
https://hackaday.com/2019/10/07/make-wireless-earbuds-truly-wireless/ | Make “Wireless” Earbuds Truly Wireless | Kristina Panos | [
"digital audio hacks",
"Wireless Hacks"
] | [
"qi charger",
"wireless earbuds",
"wireless headphones"
] | [Don] bought some off-brand Bluetooth earbuds online that actually sound pretty good. But while it’s true that they don’t require wires for listening to tunes, the little storage/charging box they sleep in definitely has a micro USB port around back. Ergo, they are not
truly
wireless. So
[Don] took it upon himself to f... | 9 | 5 | [
{
"comment_id": "6185165",
"author": "Jan",
"timestamp": "2019-10-07T12:23:20",
"content": "I’m pretty sure there are some wires inside too… So still they aren’t “truly” wireless… Unless “truly” is some shady term…But the overall efficiency of a simple set of earbuds has dropped another notch regard... | 1,760,373,735.218599 | ||
https://hackaday.com/2019/10/07/pvc-pipe-turned-portable-bluetooth-speaker/ | PVC Pipe Turned Portable Bluetooth Speaker | Tom Nardi | [
"digital audio hacks",
"Wireless Hacks"
] | [
"3D printed enclosure",
"bluetooth",
"bluetooth speaker",
"portable speaker",
"PVC"
] | We’ve always felt that sections of PVC pipe from the home improvement store are a criminally underutilized construction material, and it looks like [Troy Proffitt] feels the same way. Rather than trying to entirely 3D print the enclosure for his recently completed portable Bluetooth speaker,
he combined printed parts w... | 7 | 4 | [
{
"comment_id": "6185137",
"author": "Julian Silden Langlo",
"timestamp": "2019-10-07T09:02:27",
"content": "The main benefit of printing the whole thing is if you’re going to have custom acoustics or nonstandard layout.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,373,735.336773 | ||
https://hackaday.com/2019/10/06/2d-scanner-records-surfboard-profiles-for-posterity/ | 2D-Scanner Records Surfboard Profiles For Posterity | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"arduino",
"dial indicator",
"encoder",
"measurement",
"metrology",
"profile",
"scanner",
"serial",
"surfboard"
] | [Ryan Schenk] had a problem: he built the perfect surfboard. Normally that wouldn’t present a problem, but in this case, it did because [Ryan] had no idea how he carved the gentle curves on the bottom of the board. So he built
this homebrew 2D-scanner
to make the job of replicating his hand-carved board a bit easier.
D... | 5 | 4 | [
{
"comment_id": "6185144",
"author": "Andy",
"timestamp": "2019-10-07T09:52:13",
"content": "Very good idea, just a hint, that one can also use a “pantograph” to replicate structures – for example a pantograph router (Matthias Wandel)https://en.wikipedia.org/wiki/Pantograph",
"parent_id": null,
... | 1,760,373,735.373593 | ||
https://hackaday.com/2019/10/06/professional-audio-on-an-esp32/ | Professional Audio On An ESP32 | Bryan Cockfield | [
"Musical Hacks"
] | [
"amplifier",
"audio",
"audiophile",
"ESP32",
"gpio",
"headphones",
"input",
"music",
"open source",
"output",
"professional",
"stereo"
] | Audiophiles have worked diligently to alert the rest of the world to products with superior sound quality, and to warn us away from expensive gimmicks that have middling features at best. Unfortunately, the downside of most high quality audio equipment is the sticker price. But with some soldering skills and a bit of h... | 53 | 10 | [
{
"comment_id": "6185094",
"author": "NiHaoMike",
"timestamp": "2019-10-07T02:26:05",
"content": "I wonder if, by adding a display, it could be a good candidate for a Rockbox port.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6185100",
"author": "A... | 1,760,373,735.467124 |
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