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https://hackaday.com/2017/08/15/get-your-eclipse-glasses-emblazoned-with-hackaday/ | Get Your Eclipse Glasses Emblazoned With Hackaday | Mike Szczys | [
"Hackaday Columns",
"Slider"
] | [
"Eclipse 2017",
"eclipse glasses",
"solar eclipse",
"total solar eclipse"
] | We’re getting ready to stare at the Sun for a few hours when a total solar eclipse is visible across the United States on August 21st. You could protect your eyes with some welding goggles, but why not wear a pair of Hackaday eclipse glasses instead?
UPDATE: And They’re Gone.
We had a huge response to this with over 20... | 60 | 26 | [
{
"comment_id": "3904769",
"author": "Rob",
"timestamp": "2017-08-15T12:57:07",
"content": "These look awesome! Signed up!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3904828",
"author": "cHRIS",
"timestamp": "2017-08-15T13:21:19",
"content": "W... | 1,760,374,717.396625 | ||
https://hackaday.com/2017/08/15/print-a-flexible-keypad/ | Print A Flexible Keypad | Al Williams | [
"3d Printer hacks",
"Arduino Hacks",
"ARM"
] | [
"flexible PCB",
"flexible printed circuit board",
"Ninjaflex",
"Printed Circuit Board",
"pyralux",
"Teensy",
"usb keyboard"
] | [Micah Elizabeth Scott] needed a custom USB keyboard that wrapped around a post. She couldn’t find exactly what she wanted so she designed and printed it using
flexible Nijaflex filament
. You can see the design process and the result in the video below.
The electronics rely on a Teensy, which can emulate a USB keyboar... | 8 | 4 | [
{
"comment_id": "3904650",
"author": "CRImier",
"timestamp": "2017-08-15T12:21:00",
"content": "Finally, this got to Hackaday =) Great video, given that I’m trying to design a small flexible keypad myself, it was a good learning experience. Check out her channel, it’s worth it.",
"parent_id": nu... | 1,760,374,716.689632 | ||
https://hackaday.com/2017/08/15/clever-battery-holder-hack-makes-brilliant-earrings/ | Clever Battery Holder Hack Makes Brilliant Earrings | Donald Papp | [
"how-to",
"LED Hacks"
] | [
"coin cell",
"diy",
"earrings",
"fashion",
"googly eyes",
"led"
] | A ‘googly eye’ with hole for LED leads on one side, slot for coin cell on the other. Black disk for pupil removed.
We love seeing a thing get used effectively for other than its intended purpose, and this
DIY LED Earrings
project is a great example. [IdunnGoddess] liked the idea of making light-up LED earrings powered ... | 6 | 5 | [
{
"comment_id": "3904350",
"author": "RoGeorge",
"timestamp": "2017-08-15T10:26:28",
"content": "https://www.youtube.com/watch?v=6xva0KdlTg4",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3904354",
"author": "RoGeorge",
"timestamp": "2017-08-... | 1,760,374,716.79922 | ||
https://hackaday.com/2017/08/14/a-tiny-sharp-mz-80k-that-really-works/ | A Tiny Sharp MZ-80K That Really Works! | Jenny List | [
"classic hacks"
] | [
"miniature computer",
"MZ-80K",
"sharp",
"Sharp MZ-80K"
] | If you were a computer enthusiast in the late 1970s and early 1980s, one of your objects of desire may well have been a Sharp MZ-80K. This was an all-in-one machine from the Japanese electronics giant, and like Commodore’s PET line it included a CRT monitor, full alphanumeric keyboard and cassette tape drive in a smart... | 16 | 6 | [
{
"comment_id": "3903879",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-08-15T05:38:51",
"content": "I wonder if capacitive sensors could be placed under the plastic keys? Won’t have the same feel but at least the keyboard might “work”.Still, good effort in breathing life into the model.",
... | 1,760,374,716.928009 | ||
https://hackaday.com/2017/08/14/building-a-motorized-barrel-boat/ | Building A Motorized Barrel Boat | Jack Laidlaw | [
"how-to"
] | [
"barrel boat",
"boat",
"DIY Boat",
"scrap build"
] | [Rinoa Super-Genius] shows us in a video how to
build a crude motorized barrel boat
using only a few parts, including pontoons for extra buoyancy and stabilisation.
Building a barrel boat is simple. All you really need is a plastic barrel, scrap wood, PVC pipe with end caps, a battery, and a trolling motor. Of course, ... | 24 | 9 | [
{
"comment_id": "3903851",
"author": "Rinoa",
"timestamp": "2017-08-15T04:37:58",
"content": "All this attention makes me want to do even more Electric Barrel Boat vids, maybe add a potato cannon to one. thanks for making this article!BTW if you ever need better quality pictures, i try to take some ... | 1,760,374,716.99922 | ||
https://hackaday.com/2017/08/14/diy-dual-extrusion/ | DIY Dual Extrusion | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"multiple extrusion"
] | Dual extrusion 3D printers are not as uncommon as they used to be, but there are still a lot of single-extruder machines. [Paul Lang] wanted to refit his printer to take two MK8 extruders, and he documented his experience with
a blog post
that has a few good tips if you want to try it yourself.
[Paul] used Fusion 360 t... | 8 | 4 | [
{
"comment_id": "3904167",
"author": "imqqmi",
"timestamp": "2017-08-15T08:21:56",
"content": "I did one too a couple of years ago.I used 2x E3D V6 bowden extruders, a single fan and the holder is printed in ABS, has a mount for a servo auto bed leveling probe and slots for the wiring.http://www.mak... | 1,760,374,716.753162 | ||
https://hackaday.com/2017/08/14/smart-speed-bumps-slow-only-speeding-cars/ | Smart Speed Bumps Slow Only Speeding Cars | Jack Laidlaw | [
"car hacks",
"Slider",
"Transportation Hacks"
] | [
"infrastructure",
"non-Newtonian",
"road",
"roads",
"speed bump"
] | Like it or not speed bumps are an essential part of our road infrastructure especially in built-up places like near schools [Business Insider UK] reports
non-Newtonian liquid filled speed bumps
are being tested in Spain, Israel and Germany.
Traditional speed bumps do have their drawbacks; damage to the underside of low... | 121 | 32 | [
{
"comment_id": "3903192",
"author": "jonmayo",
"timestamp": "2017-08-14T20:11:44",
"content": "Zones that only allow self driving cars seems like it will quickly make speed bumps obsolete. Probably the near future for very modern large cities like London and NYC, and progressive cities like Amsterd... | 1,760,374,717.303775 | ||
https://hackaday.com/2017/08/14/hackaday-prize-entry-smart-composting-system/ | Hackaday Prize Entry: Smart Composting System | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino",
"compost",
"garden"
] | Composting serves an important purpose in our society, reusing our food scraps and yard waste to fertilize gardens rather than fill up landfills. Knowing that most people don’t compost, [Darian Johnson] set out to create a
Arduino-controlled composting system
to make it as simple as possible. It monitors your bin’s moi... | 14 | 7 | [
{
"comment_id": "3902741",
"author": "Ostracus",
"timestamp": "2017-08-14T18:51:59",
"content": "Maybe a lot don’t compost because a lot don’t, or can’t garden?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3903322",
"author": "LOL",
"timest... | 1,760,374,717.150594 | ||
https://hackaday.com/2017/08/14/hands-on-with-the-shacamp-2017-badge/ | Hands On With The SHACamp 2017 Badge | Jenny List | [
"cons",
"Current Events",
"Engineering",
"Featured",
"Slider"
] | [
"badge",
"badgelife",
"chinese manufacturing",
"hacker camp",
"manufacturing",
"sha2017"
] | The badge has become one of the defining features of a modern hacker camp, a wearable electronic device that serves as both event computer and platform for some mild software and hardware hacking. Some events have had astoundingly sophisticated badges while others are more simple affairs, and the phenomenon has even sp... | 24 | 10 | [
{
"comment_id": "3902621",
"author": "Sebastius",
"timestamp": "2017-08-14T18:34:55",
"content": "What an awesome writeup to conclude such an awesome project! We had a lot of fun (and still do actually, our software guys are still making pull requests, people are writing apps and just having a nice ... | 1,760,374,717.581655 | ||
https://hackaday.com/2017/08/14/building-an-ultralight-out-of-foam-in-a-basement/ | Building An Ultralight Out Of Foam In A Basement | Brian Benchoff | [
"Transportation Hacks"
] | [
"airplane",
"homebuilt",
"rc",
"ultralight"
] | [Peter Sripol] is something of a legend in the DIY RC aircraft crowd. He’s friends with Flite Test, and there he built an enormous RC cargo plane that could easily carry a small child aloft. Now, [Peter] is aiming a bit higher.
He’s building an ultralight
— a
manned
ultralight — in his basement. It’s made out of insula... | 50 | 17 | [
{
"comment_id": "3901291",
"author": "Tom Brusehaver",
"timestamp": "2017-08-14T15:51:31",
"content": "Insulation foam covered in fiberglass is very popular with many home built aircraft. The Long-Ez and variants, the KR-2, Quickie, Velocity, and many more. Spars made of fiberglass are the key to gi... | 1,760,374,717.098839 | ||
https://hackaday.com/2017/08/14/bibles-you-should-read-poc-gtfo/ | Bibles You Should Read: PoC || GTFO | Brian Benchoff | [
"Current Events",
"Featured",
"Reviews"
] | [
"academic journal",
"bible",
"book review",
"journal",
"PoC || GTFO",
"reveiw"
] | PASTOR LAPHROAIG ANNOUNCES THE PUBLICATION OF WHAT WILL TORMENT THE ACOLYTES OF THE CHURCH OF ROBOTRON! NO MAN SHALL BE SPARED AND THE INQUISITION WILL BEGIN PROMPTLY!
For the last few years, Pastor Manul Laphroaig and friends have been publishing the International Journal of PoC || GTFO. This is a collection of papers... | 54 | 13 | [
{
"comment_id": "3900499",
"author": "Jac Goudsmit",
"timestamp": "2017-08-14T14:11:13",
"content": "Some people might think the abbreviation PoC means something different, and might also read the double-pipe as a colon. I would NOT recommend reading this in a public place.",
"parent_id": null,
... | 1,760,374,717.716313 | ||
https://hackaday.com/2017/08/14/from-handheld-bandsaw-to-shop-bandsaw/ | From Handheld Bandsaw To Shop Bandsaw | Jenny List | [
"Tool Hacks"
] | [
"band saw",
"diy bandsaw",
"saw",
"workshop saw"
] | If you grow up around a workshop then the chances are that you’ll have the most respect for saws. Formative years being constantly warned by parents about their risks leave an indelible mark on the nascent maker, and leave them visibly less cavalier on the matter than for example other hackspace members. The fact remai... | 19 | 10 | [
{
"comment_id": "3900267",
"author": "DainBramage",
"timestamp": "2017-08-14T13:25:34",
"content": "Having worked with hand held band saws, I think that this is an excellent idea. They are very heavy, awkward, and cumbersome to handle unless you have forearms like Popeye. What you lose in portabilit... | 1,760,374,717.771885 | ||
https://hackaday.com/2017/08/14/filaween-2-0-is-go/ | Filaween 2.0 Is Go | Elliot Williams | [
"3d Printer hacks"
] | [
"3d printing",
"filament",
"review",
"youtube"
] | [Thomas Sanladerer] is at it again: testing all of the 3D-printer filaments that are fit to print (with). And this year, he’s got a
new and improved testing methodology
— video embedded below. And have a search for “filaween2” to see what he’s reviewed so far. There’s some sexy filaments in there.
We really love the br... | 3 | 3 | [
{
"comment_id": "3899524",
"author": "darkspr1te",
"timestamp": "2017-08-14T09:15:07",
"content": "I reject your reality and substitute my own,https://www.youtube.com/watch?v=H5KW3TS4pqs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3900194",
"author": "f... | 1,760,374,717.619628 | ||
https://hackaday.com/2017/08/13/a-tale-of-two-raft-races/ | A Tale Of Two Raft Races | Jenny List | [
"cons",
"Hackerspaces"
] | [
"hackspaces",
"makerspaces",
"raft race",
"sha2017"
] | It’s the height of summer in the Northern Hemisphere, and hackers and makers everywhere are letting their hair down and enjoying the hot weather on the water. By coincidence last weekend there were two very different raft races in the European hackspace community, at the SHACamp2017 gathering in the Netherlands the vil... | 5 | 3 | [
{
"comment_id": "3899558",
"author": "an_MC",
"timestamp": "2017-08-14T09:41:04",
"content": "…And yet no mention of it on the main London Hackspace (Hackney) group list. Worried for their organisational health – big, but not terribly active, and mailing list very “fighty” lately. (signs of a dying ... | 1,760,374,717.820305 | ||
https://hackaday.com/2017/08/13/complete-ir-control/ | Complete IR Control | Elliot Williams | [
"computer hacks"
] | [
"infrared",
"ir",
"linux",
"remote",
"x11"
] | What can you do with an IR remote? How about
anything
? Maybe not. We’ll settle for
issuing arbitrary commands and controlling tasks on our computer
.
The first step in [Fungus]’s hack is straightforward: buy an IR receiver for a buck, plug it into an Arduino, and load up
some IR-decoding code
. If you haven’t done thi... | 16 | 9 | [
{
"comment_id": "3898743",
"author": "PreferLinux",
"timestamp": "2017-08-14T03:13:40",
"content": "And of course, if you use it for a Raspberry Pi as suggested, you can connect the IR receiver directly to the Pi’s GPIO. I think LIRC supports that too, so no special software needed.The other possibi... | 1,760,374,717.949742 | ||
https://hackaday.com/2017/08/13/hackaday-links-august-13-2017/ | Hackaday Links: August 13, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"418",
"auction",
"bluetooth",
"bluetooth 5",
"mini delta",
"Monoprice",
"MP Mini Delta",
"pcb art",
"short and stout",
"travelling hacker box"
] | We found the most boring man on the Internet! HTTP Status Code 418 — “I’m a teapot” — was introduced
as an April Fools Joke
in 1998. Everyone had a good laugh, and some frameworks even implemented it. Now, the most boring man on the Internet and chairman of the IETF HTTP working group is trying to get 418 removed from
... | 29 | 12 | [
{
"comment_id": "3898078",
"author": "codifies",
"timestamp": "2017-08-13T23:13:25",
"content": "I thing the gantry is part of a telescope",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3898110",
"author": "p",
"timestamp": "2017-08-13T23:38:... | 1,760,374,717.890815 | ||
https://hackaday.com/2017/08/13/hackaday-prize-entry-robo-dog-learns-to-heel/ | Hackaday Prize Entry: Robo-Dog Learns To Heel | John Baichtal | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ATmega128",
"rover",
"ultrasonic sensor"
] | [Radu Motisan] is working on a small rover whose primary trick is being able to identify its owner.
Robo-Dog is his proof of concept
, a rover that uses five ultrasonic sensors to move toward the nearest obstruction. Obviously, this isn’t the same as being able to recognize one person from another, but it’s a start.
Th... | 2 | 2 | [
{
"comment_id": "3898005",
"author": "rggr",
"timestamp": "2017-08-13T22:35:37",
"content": "https://www.youtube.com/embed/UuYxDldQtn4",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3901005",
"author": "Daniel Turner",
"timestamp": "2017-08-14T15:21:52... | 1,760,374,717.990097 | ||
https://hackaday.com/2017/08/13/reverse-engineering-a-ble-service-to-control-a-light-bulb/ | Reverse Engineering A BLE Service To Control A Light Bulb | Jenny List | [
"home hacks"
] | [
"ble",
"bluetooth low energy",
"led light",
"reverse engineering"
] | So, you buy an Internet of Things light bulb, it’s a fun toy that allows you to bathe your environment in pretty colours at the touch of an app, but eventually you want more. You start to wonder how you might do more with it, and begin to investigate its inner workings. Then to your horror you discover that far from ha... | 18 | 8 | [
{
"comment_id": "3897331",
"author": "Eccentric electron",
"timestamp": "2017-08-13T17:25:09",
"content": "Love posts like these!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3897345",
"author": "cyberzerocool",
"timestamp": "2017-08-13T17:27:39",
... | 1,760,374,718.041954 | ||
https://hackaday.com/2017/08/13/another-arduino-compatible-this-time-its-a-sony/ | Another Arduino Compatible? This Time, It’s A Sony | Jenny List | [
"hardware",
"Slider"
] | [
"arduino",
"arm",
"sony",
"Sony Spritzer",
"spritzer"
] | When it comes to microcontroller development boards, we have a plethora of choices at our disposal. Each has its strengths and weaknesses, be they associated with its support and community, its interface capabilities, or its choice of processor family. Most boards you’ll find in our communities come from niche manufact... | 97 | 36 | [
{
"comment_id": "3896788",
"author": "Jack Laidlaw",
"timestamp": "2017-08-13T14:06:54",
"content": "This looks really interesting, glad you threw caution to the wind on the community side of things as we all know that’s the real make or break for a product in the hacker/maker world. But those specs... | 1,760,374,718.181585 | ||
https://hackaday.com/2017/08/13/visual-development-with-xod/ | Visual Development With XOD | Al Williams | [
"Arduino Hacks",
"Raspberry Pi"
] | [
"arduino",
"raspberry pi",
"visual programming",
"xod"
] | Early programmers had to represent code using binary, octal, or hex numbers. This gave way quickly to representing programs as text to be assembled, compiled, or interpreted by the computer. Even today, this remains the most common way to program, but there have been attempts to develop more visual ways to create progr... | 19 | 9 | [
{
"comment_id": "3896267",
"author": "oodain",
"timestamp": "2017-08-13T11:20:51",
"content": "in before;https://imgs.xkcd.com/comics/real_programmers.png¨better abstraction tools are always welcome.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3896271",
... | 1,760,374,718.242225 | ||
https://hackaday.com/2017/08/13/wifi-deauthentication-vs-wifi-jamming-what-is-the-difference/ | WiFi Deauthentication VS WiFi Jamming: What Is The Difference? | Jack Laidlaw | [
"Wireless Hacks"
] | [
"Deauth",
"Deauthentication",
"jammer",
"RF Jammer",
"wifi",
"WiFi hack"
] | Terminology is something that gets us all mixed up at some point. [Seytonic] does a great job of explaining
the difference between WiFi jammers and deauthenticators
in the video embedded below. A lot of you will already know the difference however it is useful to point out the difference since so many people call deaut... | 24 | 7 | [
{
"comment_id": "3896231",
"author": "Biomed",
"timestamp": "2017-08-13T10:59:39",
"content": "Heh… You just discovered this now? It’s been explicitly stated in all the specs going way back… and the complete solution to the problem was developed years before this problem was. It’s a complete non-is... | 1,760,374,718.482191 | ||
https://hackaday.com/2017/08/12/radio-mdzhb/ | Radio MDZhB | Al Williams | [
"News"
] | [
"numbers station",
"russian",
"spy",
"spy station"
] | If you have a shortwave receiver, tune it to 4625 kHz. You’ll hear something that on the surface sounds strange, but the reality is even stranger still. According to the BBC,
the radio station
broadcasts from two locations inside Russia — and has since 1982 — but no one claims ownership of the station, known as MDZhB. ... | 27 | 15 | [
{
"comment_id": "3895472",
"author": "Ostracus",
"timestamp": "2017-08-13T05:17:45",
"content": "Maybe that’s the only thing keeping the aliens at bay?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3896874",
"author": "jawnhenry",
"timestamp... | 1,760,374,718.42238 | ||
https://hackaday.com/2017/08/12/manually-adjustable-three-axis-gimbal/ | Manually-Adjustable Three-Axis Gimbal | John Baichtal | [
"Misc Hacks"
] | [
"camera",
"gimbal"
] | [Tim Good] built a
3-axis gimbal
out of 3D-printed and machined pieces, and the resulting design is pretty sweet, with a nice black-on-black look. He machined the flat pieces because they were too long to be printed in his 3D-printer.
The various axes swivel on four bearings each, and each ring features a manual lockin... | 3 | 3 | [
{
"comment_id": "3895655",
"author": "INCO",
"timestamp": "2017-08-13T07:51:06",
"content": "I suspect there are two pitch axis visible in the picture because the mechanism has been put into gimbal-lock for aesthetic purposes. Rotate the inner ring 90° and you have all 3 axis.https://en.wikipedia.or... | 1,760,374,718.358632 | ||
https://hackaday.com/2017/08/12/simple-step-climbing-robot-climbs-like-its-on-mars/ | Simple Step-Climbing Robot Climbs Like It’s On Mars | Steven Dufresne | [
"Robots Hacks"
] | [
"mars rover",
"robot",
"rocker-bogie",
"stair",
"stair climbing robot"
] | [Navin Khambhala] is a master at making simple what most would expect to be a complex build. Now he’s done it again with a
remote controlled robot that can easily climb steps and role over rough terrain
. The parts count is small and many of them are commonly available.
The suspension that makes it all possible is the
... | 16 | 7 | [
{
"comment_id": "3895110",
"author": "Ostracus",
"timestamp": "2017-08-12T23:12:48",
"content": "Someone should update the Dalek…for stairs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3895117",
"author": "Tomo",
"timestamp": "2017-08-12T2... | 1,760,374,718.532854 | ||
https://hackaday.com/2017/08/12/hackaday-prize-best-product-finalist-reconfigurable-robots/ | Hackaday Prize Best Product Finalist: Reconfigurable Robots | Brian Benchoff | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"3D printed robot",
"all-terrain",
"robot"
] | Reconfigurable robots have been around for ages. One of the first and most popular reconfigurable robots came out of the MIT Media Lab, and last year, DTTO, a modular snake-like robot,
won the 2016 Hackaday Prize
. There’s a lot that can be learned from a robot that can turn from a walker to a swimmer to something that... | 2 | 1 | [
{
"comment_id": "3894969",
"author": "Ostracus",
"timestamp": "2017-08-12T21:00:44",
"content": "“Reconfigurable robots have been around for ages.”Transformers. ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3895781",
"author": "Alex",
"t... | 1,760,374,718.66996 | ||
https://hackaday.com/2017/08/11/superconference-interview-akiba/ | Superconference Interview: Akiba | Mike Szczys | [
"cons",
"Interviews"
] | [
"2017 Hackaday Superconference",
"Akiba",
"Supercon",
"Superconference"
] | Akiba sits at a very interesting intersection of technology and culture. He is well known for his experience with manufacturing in Shenzhen — but he has a few other unique dimension I’ll get to in a minute. His experience manufacturing in China goes far beyond the electronics you might expect and covers, well, everythi... | 1 | 1 | [
{
"comment_id": "3892066",
"author": "RandyKC",
"timestamp": "2017-08-11T22:20:05",
"content": "“…three sisters…”Amazing that the teachings of the early American Indians continues and is still valid.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,718.750075 | ||
https://hackaday.com/2017/08/11/hackaday-prize-entry-fabdoc-is-version-control-for-project-images/ | Hackaday Prize Entry: FabDoc Is Version Control For Project Images | Donald Papp | [
"Raspberry Pi",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"camera",
"documentation",
"raspberry pi",
"Raspberry Pi Zero",
"time-lapse",
"version control"
] | FabDoc
is an interesting concept that attempts to tackle a problem many of us didn’t realize we had. There are plenty of version control systems for software, but many projects also have a hardware element or assembly process. Those physical elements need to be documented, but that process does not easily fit the tools... | 6 | 5 | [
{
"comment_id": "3891030",
"author": "ctag",
"timestamp": "2017-08-11T18:51:25",
"content": "That’s awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3891449",
"author": "Ostracus",
"timestamp": "2017-08-11T20:13:08",
"content": "Isn’t that a... | 1,760,374,718.711019 | ||
https://hackaday.com/2017/08/11/testing-distance-sensors/ | Testing Distance Sensors | John Baichtal | [
"Hackaday Columns",
"hardware",
"Parts",
"Skills"
] | [
"distance sensor",
"Time of Flight Sensor"
] | I’m working on a project involving the need to precisely move a tool based on the measured distance to an object. Okay, yeah,
it’s a CNC mill
. Anyway, I’d heard of time of fight sensors and decided to get one to test out, but also to be thorough I wanted to include other distance sensors as well: a Sharp digital dista... | 40 | 19 | [
{
"comment_id": "3890607",
"author": "fowkc",
"timestamp": "2017-08-11T17:41:30",
"content": "This is an interesting problem that I’ve also looked at solving. Accurate distance measurement in the sub 10-mm range seems hard to accomplish. I’d love to see any solutions.",
"parent_id": null,
"d... | 1,760,374,718.831936 | ||
https://hackaday.com/2017/08/11/explore-venus-with-a-strandbeest-rover/ | Explore Venus With A Strandbeest Rover | John Baichtal | [
"Robots Hacks"
] | [
"nasa",
"rover",
"strandbeest",
"venus"
] | There’s a little problem with sending drones to Venus: it’s too hostile for electronics; the temperature averages 867 °F and the pressure at sea level is 90 atmospheres. The world duration record is 2 hours and 7 minutes, courtesy of Russia’s Venera 13 probe. To tackle the problem, JPL has created a concept for AREE, a... | 72 | 18 | [
{
"comment_id": "3889434",
"author": "gfcwfzkm",
"timestamp": "2017-08-11T15:40:27",
"content": "If you guys use typical, US values (in this case, Fahrenheit), can you write the value in the metric System next to it?So non-American Readers can imagine how hot that could be. Else, a nice and interess... | 1,760,374,718.941411 | ||
https://hackaday.com/2017/08/11/books-you-should-read-ignition/ | Books You Should Read: IGNITION! | Donald Papp | [
"Engineering",
"Hackaday Columns",
"Original Art",
"Reviews"
] | [
"book",
"book review",
"free",
"history",
"ignition",
"liquid rocket propellant",
"rocket",
"rocket fuel",
"rocket science",
"rocketry"
] | Isaac Asimov described the business of rocket fuel research as “playing footsie with liquids from Hell.” If that piques your interest even a little, even if you do nothing else today, read the first few pages of
IGNITION!
which is
available online for free
. I bet you won’t want to stop reading.
IGNITION! An Informal H... | 38 | 19 | [
{
"comment_id": "3888821",
"author": "zeon",
"timestamp": "2017-08-11T14:35:56",
"content": "an interesting side note would be the fact that chlorine triflouride was briefly considered as an oxidizer in liquid rocketry. It didn’t take long for the “outstandingly mad” engineers to realize that using... | 1,760,374,719.026095 | ||
https://hackaday.com/2017/08/11/decoding-enigma-using-a-neural-network/ | Decoding Enigma Using A Neural Network | Steven Dufresne | [
"Software Hacks"
] | [
"enigma",
"enigma machine",
"neural network"
] | [Sam Greydanus] created a neural network
that can encode and decode messages just as Enigma did
. For those who don’t know,
the Enigma machine
was most famously used by the Germans during World War II to encrypt and decrypt messages. Give the neural network some encrypted text, called the ciphertext, along with the thr... | 21 | 7 | [
{
"comment_id": "3887698",
"author": "Yarr",
"timestamp": "2017-08-11T11:11:56",
"content": "Definitely a hack, using a neural network to essentially come up with a black-box implementation of a decryption routine. But I can’t help but point out that it’d be a lot more impressive if it managed to co... | 1,760,374,719.180259 | ||
https://hackaday.com/2017/08/11/rushing-the-design-and-construction-of-led-centerpieces/ | Rushing The Design And Construction Of LED Centerpieces | Donald Papp | [
"how-to",
"LED Hacks"
] | [
"centerpiece",
"diy",
"Dragon Flame",
"led",
"pic32",
"production",
"rgb",
"right the first time",
"rush job",
"wedding"
] | ‘Dragon Flame’ RGB LED table centerpieces, by [Alex Lao]
Sometimes the most important thing is getting something
done.
[Alex Lao] was recently in such a situation. His sister was getting married and he
designed, built, and delivered twenty RGB LED table centerpieces in a rush
. There were no prototypes made, and when t... | 7 | 2 | [
{
"comment_id": "3887350",
"author": "yetihehe",
"timestamp": "2017-08-11T09:30:23",
"content": "Nice, will use this design for my wedding :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3887461",
"author": "yetihehe",
"timestamp": "2017-08... | 1,760,374,719.124307 | ||
https://hackaday.com/2017/08/10/we-should-stop-here-its-bat-country/ | We Should Stop Here, It’s Bat Country! | Rich Hawkes | [
"digital audio hacks"
] | [
"bat detector",
"bats",
"keras",
"machine learning",
"python",
"tensorflow"
] | [Roland Meertens] has a bat detector, or rather, he has a device that can record ultrasound – the type of sound that bats use to echolocate. What he wants is a bat detector. When he discovered bats living behind his house, he set to work creating
a program that would use his recorder to detect when bats were around
.
[... | 12 | 8 | [
{
"comment_id": "3886053",
"author": "ellisgl",
"timestamp": "2017-08-11T05:58:36",
"content": "Anyone having problems playing the sounds straight from the webpage? I had to download to listen.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3886729",
"auth... | 1,760,374,719.076032 | ||
https://hackaday.com/2017/08/10/you-know-you-can-do-that-with-a-555/ | You Know You Can Do That With A 555 | Al Williams | [
"Misc Hacks"
] | [
"555",
"counter",
"cpu",
"logic gate",
"op-amp"
] | Hardly a week goes by that we don’t post a project where at least one commenter will lament that the hacker could have just used a 555. [Peter Monta] clearly gets that point of view. For a 555 design contest, he created both
digital logic gates
and
an op amp
, all using 555 chips. We can’t quite imagine the post apocal... | 34 | 20 | [
{
"comment_id": "3884674",
"author": "Internet",
"timestamp": "2017-08-11T02:16:22",
"content": "Sheesh, so much commenter hate.These projects are always a neat exercise in proving that things really do map out from concept to actual working model.http://hackaday.com/2014/11/22/a-4-bit-computer-from... | 1,760,374,719.328218 | ||
https://hackaday.com/2017/08/10/handheld-gimbal-with-off-the-shelf-parts/ | Handheld Gimbal With Off-The-Shelf Parts | Bryan Cockfield | [
"Video Hacks"
] | [
"camera",
"gimbal",
"handheld",
"off the shelf",
"video"
] | For anything involving video capture while moving, most videographers, cinematographers, and camera operators turn to a gimbal. In theory it is a simple machine, needing only three sets of bearings to allow the camera to maintain a constant position despite a shifting, moving platform. In practice it’s much more compli... | 4 | 3 | [
{
"comment_id": "3886769",
"author": "Dan",
"timestamp": "2017-08-11T07:39:59",
"content": "It’s good, though not as smooth as a commercial one, even a cheap one like a beholder DS1. I think that’s mainly in the software though, so keep working on that.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,719.234893 | ||
https://hackaday.com/2017/08/10/retro-def-con-badge-made-from-80s-parts/ | Retro DEF CON Badge Made From ’80s Parts | John Baichtal | [
"cons"
] | [
"badge",
"DEF CON",
"def con badge",
"shift register"
] | DEF CON 25’s theme was retro-tech, and [xres0nance] wasn’t kidding around in the
retro badge
he built for the convention. The badge was mostly built out of actual parts from the ’80s and ’90s, including the perfboard from Radio Shack—even the wire and solder. Of the whole project just the resistors and 555 were modern ... | 4 | 4 | [
{
"comment_id": "3883759",
"author": "Dave Davidson",
"timestamp": "2017-08-10T21:24:57",
"content": "It should play the Theme fromhttps://www.youtube.com/watch?v=vGIo-tqQkoQ",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3883774",
"author": "Hirudinea",
... | 1,760,374,719.425572 | ||
https://hackaday.com/2017/08/10/hackaday-prize-best-product-finalist-shape-shifting-structures-for-space/ | Hackaday Prize Best Product Finalist: Shape Shifting Structures For Space | Steven Dufresne | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"cubesat",
"space tech"
] | While [Elon Musk] and [Jeff Bezos] are working on getting us to Mars and the Moon, [Ronald Jaramillo] is working on building structures once we get there. To that end, he’s been developing
the ZBeam, two rolls of links that zip together like a zipper to form a rigid beam
.
ZBeam making, regolith munching machine
Initia... | 20 | 9 | [
{
"comment_id": "3883119",
"author": "PWalsh",
"timestamp": "2017-08-10T18:41:46",
"content": "Here’s another one of his videos showing how the chains link together to form a structural beam.I love these posts, where someone is doing really high level basic research.https://www.youtube.com/watch?v=D... | 1,760,374,719.48914 | ||
https://hackaday.com/2017/08/10/getting-started-with-blinking-lights-on-old-iron/ | Getting Started With Blinking Lights On Old Iron | Al Williams | [
"classic hacks",
"Hackaday Columns",
"History",
"Skills"
] | [
"blinkenbone",
"blinkenlight",
"DEC",
"PDP-8",
"PDP-8/I",
"PiDP-8",
"retrocomputing",
"vintage computing"
] | If you ever go to a computer history museum, you’ll be struck by how bland most modern computers look. Prior to 1980 computers had lights and switches, and sometimes dials and meters. Some had switchboard-like wiring panels and some even had oscilloscope-like displays. There’s something about a machine with all those s... | 29 | 14 | [
{
"comment_id": "3882658",
"author": "Ostracus",
"timestamp": "2017-08-10T17:38:18",
"content": "“If you ever go to a computer history museum, you’ll be struck by how bland most modern computers look. Prior to 1980 computers had lights and switches, and sometimes dials and meters. Some had switchboa... | 1,760,374,719.561002 | ||
https://hackaday.com/2017/08/10/2017s-vcf-west-is-another-beloved-trip-down-memory-lane/ | 2017’s VCF West Is Another Beloved Trip Down Memory Lane | Sonya Vasquez | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"floppy drive camera",
"VCF West",
"Vintage Computer Festival"
] | This past weekend, another smashing round of the Vintage Computer Festival was held at the Computer History Museum in Mountainview. As always,
VCF West
gathers the sages and lords of vintage computers onto a common ground to talk old-school hardware. It also draws in a collection of unique artifacts, many of which eith... | 20 | 7 | [
{
"comment_id": "3881890",
"author": "madeuce",
"timestamp": "2017-08-10T15:58:16",
"content": "Can anyone provide pointers to anything that [Foone] has online regarding the work on digital media archiving? I can’t find any info on the VCF site or through Google. Surely there is a website, blog po... | 1,760,374,720.205645 | ||
https://hackaday.com/2017/08/10/cnc-mill-out-of-a-building-set/ | CNC Mill Out Of A Building Set | John Baichtal | [
"cnc hacks",
"Featured",
"Original Art"
] | [
"actobotics",
"CNC mill"
] | I have some aluminum building-set parts on hand and just got a second rotary tool, so I thought I’d try my hand at
making a light-duty CNC mill
—maybe carve up some cheap pine or make circuit boards. This post explores some of the early decisions I’m facing as I begin the project.
Of primary importance is the basic for... | 19 | 7 | [
{
"comment_id": "3881323",
"author": "Will",
"timestamp": "2017-08-10T14:32:44",
"content": "Might not be stiff enough for a CNC cutter but it’d probably work great for a 3D printer or laser engraver system",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "388137... | 1,760,374,720.135033 | ||
https://hackaday.com/2017/08/10/making-a-cheap-radar-unit-awesome/ | Making A Cheap Radar Unit Awesome | Elliot Williams | [
"hardware",
"Slider",
"Wireless Hacks"
] | [
"diy",
"fft",
"horn",
"radar"
] | [JBeale]
squeezed every last drop of performance from a $5 Doppler radar module
, and the secrets of that success are half hardware, half firmware, and all hack.
On the hardware side, the first prototype radar horn was made out of cardboard with aluminum foil taped around it. With the concept proven, [JBeale] made a se... | 31 | 6 | [
{
"comment_id": "3880221",
"author": "Tore Lund",
"timestamp": "2017-08-10T11:46:05",
"content": "I’ll have to comment on this: Ten years ago I pulled an old radar door opener from the trash pile of an 80’s super market. It was the old Gunn diode kind in an aluminium housing. I also wasn’t satisfied... | 1,760,374,720.067046 | ||
https://hackaday.com/2017/08/10/convert-temperatures-the-analog-way/ | Convert Temperatures The Analog Way | Dan Maloney | [
"hardware"
] | [
"analog",
"celsius",
"conversion",
"differential",
"Fahrenheit",
"inverting",
"lm358",
"non-inverting",
"op-amp"
] | Everyone knows how to convert from Celsius to Fahrenheit, right? On a digital thermometer you just flick the little switch, on a weather app you change the settings, or if worse comes to worse, you let Google do the math for you. But what if you want to solve the problem the old-fashioned way? Then you pull out a few o... | 28 | 5 | [
{
"comment_id": "3879588",
"author": "8031brown",
"timestamp": "2017-08-10T08:49:29",
"content": "Well I went out to the GA-raj to have a tinker at the bench but it was a little chilly out there. So I put on a jumper and realised that it really didn’t matter a fig whether it was 15 or 59 degrees bec... | 1,760,374,720.323753 | ||
https://hackaday.com/2017/08/09/synthetic-biology-creates-living-computers/ | Synthetic Biology Creates Living Computers | Al Williams | [
"chemistry hacks"
] | [
"biology",
"dna",
"oligonucleotide",
"rna"
] | Most people have at least a fuzzy idea of what DNA is. Ask about RNA, though, and unless you are talking to a biologist, you are likely to get even more handwaving. We hackers might have to reread our biology text books, though, since researchers have
built logic gates using RNA
.
Sometimes we read these university pre... | 25 | 9 | [
{
"comment_id": "3878682",
"author": "Gravis",
"timestamp": "2017-08-10T05:24:56",
"content": "I’d be interested to see if this means we will soon be able to quickly sequence DNA. I’m not looking forward to the actual viruses that people could make with this knowledge. :/",
"parent_id": null,
... | 1,760,374,719.996498 | ||
https://hackaday.com/2017/08/09/quick-robin-the-bat-keychain/ | Quick Robin! The Bat Keychain! | Al Williams | [
"Toy Hacks",
"Wireless Hacks"
] | [
"batman",
"ESP8266",
"keychain"
] | We don’t know if Batman has a keychain for the keys to the Bat mobile, the Bat copter, and all his other vehicles. But we are guessing if he did, it didn’t look like the one [krishnan793] picked up cheap. It had a little button that lit up some LEDs and played a little tune. [Krishnan] thought he could do better with a... | 3 | 2 | [
{
"comment_id": "3881322",
"author": "Mike Szczys",
"timestamp": "2017-08-10T14:32:42",
"content": "That earbud speaker trick is a good tip. I’m surprised it can achieve the volume shown in the video. I’ll have to give that a try!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,720.258873 | ||
https://hackaday.com/2017/08/09/silicone-molds-for-stove-top-metal-casting/ | Silicone Molds For Stove-Top Metal Casting | Dan Maloney | [
"Misc Hacks"
] | [
"bismuth-tin",
"casting",
"foundry",
"LMP",
"low melting point",
"mold",
"silicone"
] | Casting metal parts from 3D-printed plastic or Styrofoam models is all the rage these days, and for good reason — casting is a way to turn one-offs into mass-produced parts. Seems like most of the metal casting projects we feature are aluminum in sand molds, though, so it’s refreshing to see
a casting project using sil... | 25 | 12 | [
{
"comment_id": "3876935",
"author": "Mynasru",
"timestamp": "2017-08-10T00:21:36",
"content": "How did he not burn his hand 0_o",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3877276",
"author": "Leithoa",
"timestamp": "2017-08-10T01:29:35",... | 1,760,374,720.385633 | ||
https://hackaday.com/2017/08/09/the-hackaday-prize-exoskeletons-for-the-masses/ | The Hackaday Prize: Exoskeletons For The Masses | Bryan Cockfield | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"alice",
"augmentation",
"electronics",
"exoskeleton",
"haptic",
"prosthetic"
] | While medical facilities continue to improve worldwide, access to expensive treatments still eludes a vast amount of people. Especially when it comes to prosthetics, a lot of people won’t be able to afford something so personalized even though the need for assistive devices is extremely high. With that in mind, [Guille... | 4 | 2 | [
{
"comment_id": "3876000",
"author": "Ostracus",
"timestamp": "2017-08-09T21:18:09",
"content": "Is the problem one doesn’t know how to build, or that one can’t afford, even if it’s open source?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3876888",
"aut... | 1,760,374,720.428139 | ||
https://hackaday.com/2017/08/12/wooden-domino-laying-machine/ | Wooden Domino Laying Machine | Steven Dufresne | [
"Toy Hacks"
] | [
"domino",
"robot"
] | [Matthias Wandel] has come up with another awesome machine, this time a machine that
sets up neat rows of dominos
. If you’ve followed [Matthias]’s work over the years then you’ll know that this is a wooden version of one he
made out of LEGO® back in 2009
.
In true [Matthias] fashion he uses just the one motor both fo... | 17 | 11 | [
{
"comment_id": "3894668",
"author": "BobH",
"timestamp": "2017-08-12T17:50:56",
"content": "Nice idea, great woodworking!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3895476",
"author": "Internet",
"timestamp": "2017-08-13T05:23:39",
... | 1,760,374,720.532522 | ||
https://hackaday.com/2017/08/12/flex-pager-protocol-in-depth/ | FLEX Pager Protocol In Depth | Elliot Williams | [
"Radio Hacks",
"Wireless Hacks"
] | [
"flex",
"pager",
"POCSAG"
] | We love pager hacks. One of our earliest head-slappers was completely reverse-engineering a restaurant pager’s protocol, only to find out that it was industry-standard POCSAG. Doh!
[Corn] apparently scratches the same itch, but in the Netherlands where the FLEX protocol is more common. In addition to walking us through... | 18 | 6 | [
{
"comment_id": "3894049",
"author": "Michael Black",
"timestamp": "2017-08-12T14:17:04",
"content": "One time at a garage sale there were endless pagers, a dollar each. I assumed they were low end superregenerative pagers, from the price and quantity. So I only bought 2 or 3. A disappointment w... | 1,760,374,720.478529 | ||
https://hackaday.com/2017/08/12/3dp-enigma-keyboard-improves-on-the-original/ | 3DP Enigma Keyboard Improves On The Original | John Baichtal | [
"3d Printer hacks"
] | [
"encoder",
"enigma machine",
"world war II"
] | [Asciimation], who previously created an Enigma Machine wristwatch, decided to go all-in and make a
3D-printed Enigma machine
. Not a perfect replica, but rather an
improved
version that works the same but doesn’t concern itself with historical accuracy. For instance, the current step involves building the keyboard. Ra... | 1 | 1 | [
{
"comment_id": "3930283",
"author": "Arduino Enigma Machine Simulator",
"timestamp": "2017-08-22T22:40:32",
"content": "This project would be the motivation I need to finally get a 3D printer.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,720.752437 | ||
https://hackaday.com/2017/08/12/mindstorms-soccer-robot-inspired-by-real-soccer-robot/ | Mindstorms Soccer Robot Inspired By Real Soccer Robot | John Baichtal | [
"Robots Hacks"
] | [
"mindstorms",
"omni wheels",
"robocup",
"soccer robots"
] | [Bram], a 17-year-old robot fan from the Nertherlands, had an opportunity to watch a RoboCup soccer match played by autonomous robots, and was inspired to
create his own Mindstorms version of the robot
for a school project.
The robot he created is around 80 cm in diameter and is controlled by four daisy-chained EV bric... | 3 | 2 | [
{
"comment_id": "3893105",
"author": "Thinkerer",
"timestamp": "2017-08-12T08:35:29",
"content": "“…17-year-old robot fan from the Nertherlands…” *Netherlands.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3893778",
"author": "larry",
"ti... | 1,760,374,720.798753 | ||
https://hackaday.com/2017/08/11/crt-cataract-surgery/ | CRT Cataract Surgery | Dan Maloney | [
"classic hacks"
] | [
"adhesive",
"ADM-3A",
"cataract",
"crt",
"restoration",
"vintage",
"VT240"
] | Back in the good old days, people got their information by staring into particle accelerators that could implode at any moment, and we liked it that way, by gum! To protect against disaster, CRT monitors were equipped with a safety screen laminated to the front of the tube. Decades of use often resulted in degradation ... | 27 | 12 | [
{
"comment_id": "3892854",
"author": "Ostracus",
"timestamp": "2017-08-12T05:08:41",
"content": "Can’t say I’ve used one til that point, but some came with coatings that didn’t last.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3892994",
"author": "Doug"... | 1,760,374,722.873843 | ||
https://hackaday.com/2017/08/11/turning-and-burning-with-a-cnc-pyrography-machine/ | Turning And Burning With A CNC Pyrography Machine | Dan Maloney | [
"cnc hacks",
"Misc Hacks"
] | [
"cnc",
"pyrography",
"raspberry pi",
"rotary table",
"stepper motor",
"wood burning"
] | With CNC machines, generally the more axes the better. Three-axis machines with a vertical quill over a rectangular workspace are de rigueur, and adding an axis or two can really step up the flexibility of a machine. But can only two axes be of any use? Sure can, as witnessed by
this two-axis CNC wood burning machine
.... | 11 | 5 | [
{
"comment_id": "3892828",
"author": "moo",
"timestamp": "2017-08-12T04:12:39",
"content": "> But can only two axes be of any use? Sure can, as witnessed by…lathes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3892866",
"author": "Jeff",
"timestamp":... | 1,760,374,723.030198 | ||
https://hackaday.com/2017/08/11/do-you-have-an-endangered-craft/ | Do You Have An Endangered Craft? | Jenny List | [
"classic hacks",
"Tool Hacks"
] | [
"crafts",
"craftsmen",
"history",
"manufacturing"
] | It is probably fair to say that as Hackaday readers, you will all be people with the ability to make things. Some of you can make
incredible
things, as your writers we are in constant awe of the projects that pass through our hands. But even if you feel that your skills in the maker department aren’t particularly elite... | 62 | 33 | [
{
"comment_id": "3892417",
"author": "localroger",
"timestamp": "2017-08-11T23:25:06",
"content": "lapidary, the art of cutting gemstones, is dying. Of course nobody is going to stop cutting diamonds and rubies and the other precious stones for wedding rings and such, but there is a rich culture of... | 1,760,374,722.976962 | ||
https://hackaday.com/2017/08/08/colibrinano-usb-sdr-receiver-reviewed/ | ColibriNANO USB SDR Receiver Reviewed | Al Williams | [
"Radio Hacks"
] | [
"sdr",
"software-defined radio"
] | At first glance, the ColibriNANO SDR looks like another cheap SDR dongle. But after watching [Mile Kokotov’s]
review
(see video below), you can see that it was built specifically for software defined radio service. When [Mile] takes the case off, you notice the heavy metal body which you don’t see on the typical cheap ... | 26 | 9 | [
{
"comment_id": "3873201",
"author": "rasz_pl",
"timestamp": "2017-08-09T05:07:50",
"content": ">14-bit 122.88 megasample per second A/D converterand 3 MHz bandwidth, its junk",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3873272",
"author": "Jim B"... | 1,760,374,722.597562 | ||
https://hackaday.com/2017/08/08/diy-vt220-keyboard/ | DIY VT220 Keyboard | Rich Hawkes | [
"classic hacks",
"computer hacks",
"Peripherals Hacks"
] | [
"arduino nano",
"keyboard",
"LK201",
"VT220"
] | There’s always been interest in the computers of old, and people love collecting and restoring them. When [peterbjornx] got his hands on a DEC VT220 video terminal, it was in good shape – it needed a bit of cleaning, but it also needed a keyboard. [Peter] couldn’t afford to buy the keyboard, but the service manual for ... | 17 | 6 | [
{
"comment_id": "3872922",
"author": "Iso",
"timestamp": "2017-08-09T02:31:23",
"content": "I wish this had happened when I resurrected my VT220 (found on the roadside). I purchased an LK201 for $30AUD from a DEC reseller that amazing came into existence for a brief period when I was working on gett... | 1,760,374,722.534798 | ||
https://hackaday.com/2017/08/08/starter-guide-to-linux-forensics/ | Starter Guide To Linux Forensics | Bryan Cockfield | [
"computer hacks"
] | [
"computer",
"digital",
"file system",
"forensics",
"investigate",
"linux",
"red hat"
] | The old saying is if your data isn’t backed up at least twice, it’s not backed up at all. For those not wise enough to heed this adage, there are a number of options available to you if you wish your data to be recovered. Assuming the drive itself is just corrupted somehow (maybe a malicious attack, maybe a user error)... | 11 | 7 | [
{
"comment_id": "3872835",
"author": "gregkennedy",
"timestamp": "2017-08-09T01:34:06",
"content": "dd_rescue has been a life saver for multiple of my failed drives over the year. Image your HD to a new one using dd_rescue, fsck it and mount loopback. The actual data loss in these cases tends to b... | 1,760,374,722.683159 | ||
https://hackaday.com/2017/08/08/atmega328-3d/ | ATMega328 3D! | Al Williams | [
"Arduino Hacks"
] | [
"3d",
"arduino",
"atmega328p",
"fixed point arithmetic",
"fixed point math",
"math",
"oled"
] | Small OLED displays are inexpensive these days–cheap enough that pairing them with an 8-bit micro is economically feasible. But what can you do with a tiny display and not-entirely-powerful processor? If you are [ttsiodras] you can do a
real time 3D rendering
. You can see the results in the video below. Not bad for an... | 28 | 10 | [
{
"comment_id": "3872361",
"author": "MarkF",
"timestamp": "2017-08-08T21:00:35",
"content": "How about using the same chip to do Wolf3d, with texture mapping, on a 5110 monochrome display:http://gamebuino.com/forum/viewtopic.php?f=13&t=3312",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,723.095237 | ||
https://hackaday.com/2017/08/08/hackaday-prize-entry-a-bstrd-preamp/ | Hackaday Prize Entry: A BSTRD Preamp | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"6J5",
"diy preamp",
"preamp",
"tube amp"
] | For this year’s Hackaday Prize, [skrodahl] is building a beautiful tube preamp.
It’s a masterpiece of glass and free electrons
, it already works, and it sounds great.
This circuit is a modified version of
the Bastard
, an amp published in the Danish magazine Ny Elektronik nearly 20 years ago. The original amp was a tr... | 14 | 6 | [
{
"comment_id": "3872045",
"author": "Scott",
"timestamp": "2017-08-08T18:58:52",
"content": "Good job, Brian.I’ve been a ham for 30 years and went to air force electronic school 20 years before. I’ve always liked tubes better, but construction is ore expensive and then you can’t stray far from the ... | 1,760,374,722.736095 | ||
https://hackaday.com/2017/08/08/eclipse-2017-citizen-scientist-opportunity/ | Eclipse Megamovie: Thousands Of Cameras For Citizen Science | Dan Maloney | [
"Current Events",
"News"
] | [
"digital photography",
"dslr",
"Eclipse 2017",
"total eclipse",
"totality"
] | On August 21, 2017, the Moon will cast its shadow across the entire breadth of the United States for the first time in almost a century. It is estimated that 12 million people live within the path in which the sun will be blotted out, and many millions more are expected to pour into the area to experience the wonders o... | 9 | 6 | [
{
"comment_id": "3871985",
"author": "Joe Owens",
"timestamp": "2017-08-08T18:30:27",
"content": "I am very excited about this. I wish I could travel to the path of the eclipse, but unfortunately since it is a weekday that is not possible.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,723.138716 | ||
https://hackaday.com/2017/08/08/touchscreen-oscilloscope/ | Touchscreen Oscilloscope | Al Williams | [
"Tool Hacks"
] | [
"dso112a",
"oscilloscope",
"touchscreen"
] | [Marco Reps] didn’t want to lug a full-sized oscilloscope around to measure his ECG while running. He decided to
check out the DSO112A
which is a tiny touchscreen scope from the usual China sources. The tiny one channel scope can go to 2mV/division at 2MHz and can save and recall up to 24 configurations. It also has ac... | 3 | 3 | [
{
"comment_id": "3872411",
"author": "Silis",
"timestamp": "2017-08-08T21:32:36",
"content": "It looks like it is similar to a DSO138 or DSO150 with a less cumbersome (albeit not very pretty) UI and better bandwidth. Even though I do like these humble little scopes and the improvements this upgraded... | 1,760,374,722.639054 | ||
https://hackaday.com/2017/08/09/friday-hack-chat-crypto-challenge/ | Friday Hack Chat: Crypto Challenge | Brian Benchoff | [
"Hackaday Columns"
] | [
"badgelife",
"crypto",
"Hack Chat"
] | It’s the middle of August, and that means all the hackers are back from DEF CON, safe in their hoodies, with memories of smoke-filled casinos, interesting talks, and, most importantly, crypto challenges.
This year was an ‘off’ year for DEF CON. There was an official badge, but it wasn’t electronic (which no one expecte... | 2 | 2 | [
{
"comment_id": "3878880",
"author": "RoGeorge",
"timestamp": "2017-08-10T06:02:52",
"content": "Can hardly wait for this one, thanks!:o)P.S> The time convertor link, much appreciated.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3883876",
"author": "W",... | 1,760,374,723.238731 | ||
https://hackaday.com/2017/08/09/retrotechtacular-the-bell-laboratory-science-series/ | Retrotechtacular: The Bell Laboratory Science Series | Dan Maloney | [
"Retrotechtacular"
] | [
"att",
"bell labs",
"education",
"film",
"science",
"stem"
] | For those of a certain vintage, no better day at school could be had than the days when the teacher decided to take it easy and put on a film. The familiar green-blue Bell+Howell 16mm projector in the center of the classroom, the dimmed lights, the chance to spend an hour doing something other than the normal drudgery ... | 8 | 3 | [
{
"comment_id": "3875621",
"author": "Pirate Labs",
"timestamp": "2017-08-09T18:19:56",
"content": "Brings back a lot of memories. Great article.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3875645",
"author": "Ostracus",
"timestamp": "2017-08-09T1... | 1,760,374,723.972094 | ||
https://hackaday.com/2017/08/09/new-release-makes-eagle-and-fusion-360-besties/ | New Release Makes EAGLE And Fusion 360 Besties | Brian Benchoff | [
"News",
"Tool Hacks"
] | [
"autodesk",
"eagle",
"Fusion 360"
] | The
latest release of EAGLE
builds a bridge between mechanical design and electronic design. Version 8.3 rolls in the ability to synchronize between EAGLE and Fusion 360. You can now jump between mechanical design and PCB layout without the need for extra steps in between. This is the first release of EAGLE that highli... | 70 | 16 | [
{
"comment_id": "3875316",
"author": "Orlando Hoilett",
"timestamp": "2017-08-09T16:21:19",
"content": "What’s the point of, “putting resistors and caps in the layers of a PCB instead placing them as discrete components.” I’m not quite sure I get it as yet.",
"parent_id": null,
"depth": 1,
... | 1,760,374,724.529977 | ||
https://hackaday.com/2017/08/09/get-inside-a-tcxo-clock-chip/ | Get Inside A TCXO Clock Chip | Elliot Williams | [
"hardware"
] | [
"clock",
"decap",
"decappnig",
"DS3231",
"hardware",
"real-time",
"rtc",
"time"
] | [Pete] wondered how real-time clock modules could be selling on eBay for $1.50 when the main component, the Maxim DS3231 RTC/TCXO chip, cost him more like $4 apiece. Could the cheap modules contain counterfeit chips?
Well, sure they could. But in this case, they didn’t, and [Pete]
has the die shots to prove it
. He sta... | 28 | 8 | [
{
"comment_id": "3875103",
"author": "Ghost Wolf",
"timestamp": "2017-08-09T15:14:19",
"content": "Where is the article?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3875115",
"author": "Nonsintetic",
"timestamp": "2017-08-09T15:15:37",
... | 1,760,374,723.924539 | ||
https://hackaday.com/2017/08/09/the-sensors-automating-your-commute/ | The Sensors Automating Your Commute | Bob Baddeley | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"automotive radar",
"Electronic toll collection",
"ezpass",
"Field Guide",
"induction loop",
"infrared camera",
"radar",
"stop light",
"traffic light",
"traffic signal"
] | In a bout of frustration I recently realized that the roads have all updated — most people have no idea how — and this sometimes hurts the flow of traffic. This realization happened when an unfortunate person stopped in a left turn lane well before the stop line. The vehicle didn’t trigger the sensor, so cycle after cy... | 39 | 15 | [
{
"comment_id": "3874894",
"author": "joelfinkle",
"timestamp": "2017-08-09T14:21:28",
"content": "When there’s multiple loops in the turn lane, I figured that the system could use that to anticipate how much longer the arrow needs to stay on — cars are still moving through the further-back loop, so... | 1,760,374,724.223984 | ||
https://hackaday.com/2017/08/09/super-simple-hydraulics-using-syringes/ | Super Simple Hydraulics Using Syringes | Steven Dufresne | [
"Robots Hacks"
] | [
"actuator",
"excavator",
"hydraulic system",
"hydraulics",
"syringe"
] | When making a toy excavator arm, or any robotic arm, the typical approach is to put motors at the joints, or if there isn’t room, to put the motors somewhere else and transfer the force using fishing line and pulleys. [Navin Khambhala] chose instead to do it more like the real excavators,
with hydraulics using syringes... | 34 | 19 | [
{
"comment_id": "3874395",
"author": "zatra",
"timestamp": "2017-08-09T11:47:37",
"content": "Four years ago :) ..https://www.youtube.com/watch?v=Kfhki3RkJv0",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3875410",
"author": "Harvie.CZ",
"tim... | 1,760,374,724.296573 | ||
https://hackaday.com/2017/08/09/laser-cut-enclosures-from-eagle-files/ | Laser Cut Enclosures From Eagle Files | Bryan Cockfield | [
"Laser Hacks"
] | [
"acrylic",
"eagle",
"enclosure",
"laser cutter",
"pcb",
"plexiglass",
"project"
] | Once a project is finished, it might still need a decent enclosure. While it’s possible to throw a freshly soldered PCB in a standard enclosure, or piece of Tupperware, or cardboard box, these options don’t have the fit and finish of something custom-made. If you have a laser cutter sitting around, it’s a simple matter... | 16 | 6 | [
{
"comment_id": "3873612",
"author": "Alain",
"timestamp": "2017-08-09T08:23:31",
"content": "Ray’s opensprinkler for raspberry pi is a really useful tool for automated watering. I’ve had one for a few years and it still works great. Check it out.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,723.857943 | ||
https://hackaday.com/2017/08/08/know-thy-led/ | Know Thy LED | Inderpreet Singh | [
"Featured",
"Interest",
"Original Art"
] | [
"history",
"led",
"material science"
] | The invention of the LED is one of the most important discoveries of our times. They are everywhere, from our flashlights to household lighting and television sets. We don’t need to tell you that a project with more blinkies is better than a project with fewer blinkies. But an LED is not simply an LED; the sheer variet... | 82 | 20 | [
{
"comment_id": "3871038",
"author": "nsayer",
"timestamp": "2017-08-08T14:15:39",
"content": "I bought a PILE of bog standard 5mm red LEDs from Digi-Key a while back, and was shocked to discover that the long lead on them was thecathode. Fortunately, they had the usual flat spot properly on the cat... | 1,760,374,724.142548 | ||
https://hackaday.com/2017/08/08/keep-pedaling-to-keep-playing/ | Keep Pedaling To Keep Playing | Bryan Cockfield | [
"Xbox Hacks"
] | [
"arduino",
"bicycle",
"bike",
"exercise",
"power",
"relay",
"video game",
"xbox"
] | It’s been said that the best way to tackle the issue of childhood obesity would be to hook those children’s video game consoles up to a pedal-powered generator. Of course, this was said by [Alex], the creator of Cykill. Cykill interfaces an Xbox to an exercise bike, so to
keep the video game going you’ll have to keep p... | 12 | 6 | [
{
"comment_id": "3870361",
"author": "codifies",
"timestamp": "2017-08-08T11:16:16",
"content": "wouldn’t you be better killing power to the monitor instead…. (HD corruption, loss of save / game position etc)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "38... | 1,760,374,724.889417 | ||
https://hackaday.com/2017/08/08/a-hypnotizing-interactive-art-piece-for-visualizing-color-theory/ | A Hypnotizing Interactive Art Piece For Visualizing Color Theory | Cameron Coward | [
"Misc Hacks"
] | [
"art",
"color theory",
"interactive",
"rgb"
] | Digital color theory can be a tricky concept to wrap one’s mind around – particularly if you don’t have experience with digital art. The RGB color model is about as straightforward as digital color mixing gets: you simply set the intensity of red, green, and blue individually. The result is the mixing of the three colo... | 4 | 4 | [
{
"comment_id": "3870887",
"author": "Stuart Rubin",
"timestamp": "2017-08-08T13:47:38",
"content": "I think this would actually be a pretty good demonstration of what it’s like to be colorblind. Look at the painting with one or two of the beakers partially or completely empty. That’s pretty much wh... | 1,760,374,724.011432 | ||
https://hackaday.com/2017/08/07/one-transistor-rtl-sdr-upconverter/ | One Transistor RTL-SDR Upconverter | Al Williams | [
"Radio Hacks"
] | [
"oscillator",
"RTL-SDR",
"upconverter"
] | Even if you haven’t used one, you’ve probably seen the numerous projects with the inexpensive RTL-SDR USB dongle. Originally designed for TV use, the dongle is a software defined radio that many have repurposed for a variety of radio hacking projects. However, there’s one small issue. By default, the device only works ... | 25 | 5 | [
{
"comment_id": "3869087",
"author": "cyk",
"timestamp": "2017-08-08T05:26:06",
"content": "The problems here:The rtl stick’s crystal drifts all over the place, the converter’s crystal drifts all over the place.Solution: Use TCXOs.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,724.592115 | ||
https://hackaday.com/2017/08/07/garage-distance-sensor-kicks-tennis-ball-to-curb/ | Garage Distance Sensor Kicks Tennis Ball To Curb | Bryan Cockfield | [
"home hacks"
] | [
"distance",
"finder",
"garage",
"guide",
"HC-SR04",
"microcontroller",
"pic",
"PIC16F88",
"range",
"sensor",
"ultrasonic"
] | Those with small garages might be familiar with the method of hanging a tennis ball from a ceiling to make sure they don’t hit the back wall with their car. If the car isn’t in the garage, though, the tennis ball dangling from a string tends to get in the way. To alleviate this problem, [asaucet] created a distance sen... | 24 | 11 | [
{
"comment_id": "3868477",
"author": "Michael Black",
"timestamp": "2017-08-08T02:48:59",
"content": "I first read about the tennis ball trick (I think it was a ping pong ball) on a book review. The author made the point that the ping pong ball was way cheaper and simpler than some electronic solut... | 1,760,374,724.655924 | ||
https://hackaday.com/2017/08/07/shoot-the-eclipse-with-a-phone-and-do-not-go-blind/ | Shoot The Eclipse With A Phone And Do Not Go Blind | Dan Maloney | [
"digital cameras hacks"
] | [
"Eclipse 2017",
"filter",
"iphone",
"partial",
"solar eclipse",
"telephoto",
"totality"
] | So you want to photograph Eclipse 2017 but you don’t want to rush out and buy an expensive DSLR just for the event? Not a problem, if you build
this simple smartphone filter and occluder
.
It all started innocently enough for [Paul Bryson] with his iPhone and a lens from those cheap cardboard eclipse glasses we’re star... | 16 | 5 | [
{
"comment_id": "3868150",
"author": "Ostracus",
"timestamp": "2017-08-08T00:27:02",
"content": "Interesting although on one of the eclipse sites they do say even a point and shoot wouldn’t be good enough.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3868357... | 1,760,374,724.795222 | ||
https://hackaday.com/2017/08/07/imaging-magnetism-with-a-hall-effect-camera/ | Imaging Magnetism With A Hall Effect Camera | Brian Benchoff | [
"Misc Hacks"
] | [
"camera",
"hall effect sensor",
"Magnetic sensor",
"papa was a rodeo"
] | [Peter Jansen] is the creator of the Open Source Tricorder. He built a very small device meant to measure
everything
, much like the palm-sized science gadget in
Star Trek.
[Peter] has built an MRI machine that fits on a desktop, and a CT scanner made out of laser-cut plywood. Needless to say, [Peter] is all about sens... | 54 | 19 | [
{
"comment_id": "3867718",
"author": "Dmitry Grinberg",
"timestamp": "2017-08-07T20:19:00",
"content": "non-visible-light “cameras” are always super cool, and this project does not disappoint! I am looking forward to its evolution!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,724.743984 | ||
https://hackaday.com/2017/08/06/fidget-spinner-shreds-with-bass-guitar-pickup/ | Fidget Spinner Shreds With Bass Guitar Pickup | John Baichtal | [
"Musical Hacks",
"Toy Hacks"
] | [
"analog synth",
"bass guitar pickup",
"Fidget Spinner",
"pickup",
"spinner"
] | Hackaday continues to embrace our implacable spinning overlords-of-the-heart.
[zazzazzero] posted a YouTube video showing him fidgeting one of those
spinners that had been hooked up to a bass guitar pickup
. It makes a rather awesome rumbling sound as the pickup registers the bearings rolling around, and when hooked up... | 11 | 6 | [
{
"comment_id": "3861736",
"author": "Buddy Casino",
"timestamp": "2017-08-06T08:31:41",
"content": "The Youtube loading animation is… a fidget spinner icon? What sorcery is this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3861926",
"author": "ja... | 1,760,374,724.83963 | ||
https://hackaday.com/2017/08/05/ink-filled-machine-badges-score-respect-for-your-gear/ | Ink-Filled Machine Badges Score Respect For Your Gear | Dan Maloney | [
"Laser Hacks",
"Misc Hacks"
] | [
"badge",
"brass",
"electro-ectching",
"etching",
"label",
"nameplate",
"powder coating"
] | Remember the good old days when machines had a stout metal badge instead of cheap vinyl decals, and nameplates on motors were engraved in metal rather than printed on a label with a QR code? Neither do we, but
these raised brass labels with color filled backgrounds
look great, they’re surprisingly easy to make, and jus... | 26 | 11 | [
{
"comment_id": "3861435",
"author": "zeon",
"timestamp": "2017-08-06T05:18:15",
"content": "Its mmmkay…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3861930",
"author": "KoitK",
"timestamp": "2017-08-06T10:23:14",
"content": "Its p... | 1,760,374,725.251645 | ||
https://hackaday.com/2017/08/05/maintain-temperature-with-a-diy-laboratory-dry-bath/ | Maintain Temperature With A DIY Laboratory Dry Bath | John Baichtal | [
"Tool Hacks"
] | [
"biohacking",
"DIYBio",
"test tube"
] | [abizar] lucked into some aluminum blocks, one of which had test-tube-sized holes in it–just the thing to turn into a
dry bath for his biology projects
.
He stuck a 100W positive temperature coefficient heater into the bottom of the block using silicone glue, and the heater heated the block up in around half an hour. H... | 2 | 1 | [
{
"comment_id": "3861633",
"author": "EndlessYellowParcels",
"timestamp": "2017-08-06T07:32:48",
"content": "Heh, this reminded me of something I did a while back. I got a big aluminium block and thermal pasted it to the CPU of an old PC. Then I wrote some bare metal code to busyloop or halt accordi... | 1,760,374,725.288819 | ||
https://hackaday.com/2017/08/05/dedicated-button-for-toggling-screens/ | Dedicated Button For Toggling Screens | Lewin Day | [
"News"
] | [
"Adafruit trinket",
"arduino",
"keyboard",
"keyboard emulation",
"macbook",
"presentation",
"screen",
"Trinket"
] | Anyone who regularly presents to an audience these days has known the pain of getting one’s laptop to work reliably with projection hardware. It’s all the more fraught with pain when you’re hopping around from venue to venue, trying desperately to get everything functioning on a tight schedule. [Seb] found that the mag... | 25 | 10 | [
{
"comment_id": "3860690",
"author": "RandyKC",
"timestamp": "2017-08-05T23:12:02",
"content": "A big red button.Dr Who would be happy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3860868",
"author": "Lee Gleason",
"timestamp": "2017-08-05... | 1,760,374,725.358524 | ||
https://hackaday.com/2017/08/05/hackaday-prize-entry-low-cost-kvm/ | Hackaday Prize Entry: Low Cost KVM | Brian Benchoff | [
"Peripherals Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"hdmi",
"kvm",
"ps2",
"usb"
] | Back in the old days, when handing someone a DB serial cable when they asked for a DE serial cable would get you killed, KVM switchers were a
thing
. These devices were simple boxes with a few VGA ports, a few PS/2 ports, and a button or dial that allowed your input (keyboard and mouse) and output (video) to be used wi... | 30 | 8 | [
{
"comment_id": "3860443",
"author": "Moryc",
"timestamp": "2017-08-05T20:38:15",
"content": "Why anyone would use hardware KVM, when software remote desktop tools are free and available for every platform? And this so called design doesn’t sound like viable and ready to use solution, not yet at lea... | 1,760,374,725.477433 | ||
https://hackaday.com/2017/08/05/know-the-load-with-this-simple-microcontroller-cpu-meter/ | Know The Load With This Simple Microcontroller CPU Meter | Dan Maloney | [
"Arduino Hacks"
] | [
"CPU load",
"embedded",
"gpio",
"load",
"microcontroller",
"pwm"
] | How do you tell how much load is on a CPU? On a desktop or laptop, the OS usually has some kind of gadget to display the basics. On a microcontroller, though, you’ll have to
roll your own CPU load meter
with a few parts, some code, and a voltmeter.
We like [Dave Marples]’s simple approach to quantifying something as co... | 14 | 12 | [
{
"comment_id": "3860344",
"author": "nsayer",
"timestamp": "2017-08-05T18:30:40",
"content": "This sort of thing also works for measuring latency and response times and the like. I needed to prove that my latest design GPS clock lived up to its accuracy specification. So I set an unused GPIO pin hi... | 1,760,374,725.412008 | ||
https://hackaday.com/2017/08/05/3d-printing-flexible-surfaces-out-of-non-flexible-material/ | 3D Printing Flexible Surfaces Out Of Non-Flexible Material | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"3d printing",
"double-curve surface",
"flex hinge",
"flexible",
"flexible printing",
"kerf bend",
"kerf bending",
"living hinge",
"proof of concept"
] | Here’s some interesting work shared by [Ben Kromhout] and [Lukas Lambrichts] on
making flexible 3D prints
, but
not
by using flexible filament. After seeing a project where a sheet of plywood was rendered pliable by cutting a pattern out of it – essentially turning the material into a giant kerf bend – they got interes... | 15 | 7 | [
{
"comment_id": "3860021",
"author": "Internet",
"timestamp": "2017-08-05T14:18:56",
"content": "It also takes a seriously long time to do when vector cutting with a laser but could be sped up if one can print whole layers at once.Other variants include things like this 3d printed “chainmail”.https:... | 1,760,374,725.623081 | ||
https://hackaday.com/2017/08/06/make-a-tesla-coil-winding-rig-with-knex/ | Make A Tesla Coil Winding Rig With K’Nex | John Baichtal | [
"Toy Hacks"
] | [
"knex",
"tesla coil",
"tesla coil winder"
] | Instructables user [birdycrazy]
built a winding rig
from a PVC pipe and a bunch of K’Nex. He had recently started a Tesla coil project and needed an efficient way to wind the secondary coil. All of the designs for DIY winding rigs he found on the Internet required parts he didn’t have or simply cost a bunch of money. T... | 3 | 2 | [
{
"comment_id": "3866673",
"author": "Isaac Hayes",
"timestamp": "2017-08-07T14:36:34",
"content": "K’nex bring back a lot of very fond childhood memories. It was the first set that allowed me to build the enormous bridges and cranes I always wanted to make. There goes an afternoon searching for coo... | 1,760,374,725.51739 | ||
https://hackaday.com/2017/08/06/full-color-pcb-business-card/ | Full Color PCB Business Card | Michael Uttmark | [
"Misc Hacks"
] | [
"business card",
"business cards",
"circuit board business card",
"pcb business card"
] | [Sjaak], in electronic hobbyist tradition, started to design a PCB business card. However, he quickly became disillusioned with the coloring options made available by the standard PCB manufacturing process. While most learn to work with a limited color palette, [Sjaak] had another idea.
PCB decals for full-color contro... | 15 | 6 | [
{
"comment_id": "3863937",
"author": "Peter Burkimsher",
"timestamp": "2017-08-07T02:54:32",
"content": "I wish educational boards (e.g. Arduino, Raspberry Pi) would use colours to mark traces on their PCBs. For example, a red silkscreen for power, black for ground, green & blue for Tx/Rx. Manufactu... | 1,760,374,725.789463 | ||
https://hackaday.com/2017/08/06/hackaday-links-august-6th-2017/ | Hackaday Links: August 6th, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Crowd Supply",
"hurdy gurdy",
"vt100"
] | We get a lot of Kickstarter pitches in our email,
but this one is different
. First of all, it’s over. No biggie there. Secondly, it’s a laser-cut hurdy gurdy. What’s a hurdy gurdy? It’s a musical instrument that uses a wheel to vibrate strings. It has drone strings and a rudimentary keyboard for the melody. Think of i... | 12 | 7 | [
{
"comment_id": "3863363",
"author": "Clara",
"timestamp": "2017-08-06T23:29:45",
"content": "Every time I look at that DIY-VT100, I think, “Hey, what a great idea! I could totally use one of those!” Then I think more, and conclude that everything I could use it for, I could also use my laptop for... | 1,760,374,725.564696 | ||
https://hackaday.com/2017/08/06/instantcad-promises-faster-iterative-design/ | InstantCAD Promises Faster Iterative Design | Lewin Day | [
"Software Hacks"
] | [
"cad",
"fea",
"instantcad",
"simulation"
] | The design process for any product is necessarily an iterative one. Often, a prototype is modelled or built, and changes are made to overcome problems and improve the design. This can be a tedious process, and it’s one that MIT’s CSAIL has
sought to speed up with InstantCAD
.
The basic idea is integrating analysis tool... | 20 | 7 | [
{
"comment_id": "3863048",
"author": "Silis",
"timestamp": "2017-08-06T20:23:13",
"content": "Look, a nice tool! Look at it!No, you can’t have it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3863079",
"author": "Internet",
"timestamp": "20... | 1,760,374,725.843498 | ||
https://hackaday.com/2017/08/06/hackaday-prize-best-product-finalist-pewpew/ | Hackaday Prize Best Product Finalist: PewPew | Brian Benchoff | [
"Microcontrollers",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Adafruit Feather",
"Feather"
] | This year for the Hackaday Prize, we’re doing something very, very cool. We’re encouraging hardware entrepreneurs to come up with the next big electronic thing. We’re giving the Best Product in the Hackaday Prize $30,000, and an opportunity to work in a lab filled with tools to turn that prototype into a marketable rea... | 12 | 4 | [
{
"comment_id": "3862674",
"author": "Xeon",
"timestamp": "2017-08-06T17:13:17",
"content": "Already been done.https://www.youtube.com/watch?v=0O0DeRL7P-wTell me why not.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3862730",
"author": "deshipu",
... | 1,760,374,725.893874 | ||
https://hackaday.com/2017/08/06/condom-and-catheter-team-up-to-save-new-mothers-lives/ | Condom And Catheter Team Up To Save New Mothers’ Lives | Dan Maloney | [
"Medical Hacks"
] | [
"catheter",
"condom",
"Foley",
"hemorrhage",
"hypovolemic",
"postpartum",
"shock"
] | The title is sure to draw a snicker from some readers, but the purpose of
this field-expedient treatment for postpartum hemorrhage
is deadly serious, and a true medical hack that has the potential to save the lives of new mothers.
Postpartum hemorrhage is the leading cause of death during pregnancy, claiming about 86,0... | 43 | 12 | [
{
"comment_id": "3862343",
"author": "Ostracus",
"timestamp": "2017-08-06T14:08:30",
"content": "” A fully equipped obstetrical suite will have access to an array of medications and devices to staunch the flow, including a uterine balloon tamponade (UBT) kit. But at $400 a kit, these devices are har... | 1,760,374,726.171124 | ||
https://hackaday.com/2017/08/06/a-new-battery-for-a-potted-clock-module/ | A New Battery For A Potted Clock Module | Jenny List | [
"classic hacks"
] | [
"clock module",
"DS1387",
"lithium cell",
"real time clock",
"rtc"
] | If you did much dismantling of PCs back in the 1980s and 1990s, you might be familiar with the Dallas Semiconductor range of potted real-time clock modules. These were chunky dual-in-line devices containing clock and non-volatile RAM chips, a crystal, and a lithium battery. The battery was good for about a decade, whic... | 31 | 14 | [
{
"comment_id": "3862034",
"author": "rpf",
"timestamp": "2017-08-06T11:18:49",
"content": "Oooh those. They’re a well known problem in the (small) community still toying around with Philips’ CD-i consoles. Taking a dremel to them makes one _hell_ of a mess – Consider yourself warned.",
"parent_... | 1,760,374,726.489439 | ||
https://hackaday.com/2017/08/07/hackaday-prize-entry-powered-running-stroller-keeps-you-running/ | Hackaday Prize Entry: Powered Running Stroller Keeps You Running | Steven Dufresne | [
"The Hackaday Prize",
"Transportation Hacks"
] | [
"2017 Hackaday Prize",
"baby carriage",
"bluetooth LE",
"pram",
"stroller"
] | Types of strollers called ‘running strollers’ exist to make it possible to bring your toddlers along for your run but try it with two four-year old, 38 lb young ones, against the wind, and up enough hills and you’ll quickly lose steam. [Andrew Clink]’s and his wife’s solution? Modify the stroller to be
a self-powered r... | 11 | 5 | [
{
"comment_id": "3867360",
"author": "Scott",
"timestamp": "2017-08-07T18:07:16",
"content": "I’m an old long distance cyclist – cross country. You build your stamina when the pushing become difficult. But it’s a nice garage project.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,726.090405 | ||
https://hackaday.com/2017/08/07/the-trouble-with-cordless-power-tools/ | The Trouble With Cordless Power Tools | Jenny List | [
"Featured",
"Rants",
"Slider",
"Tool Hacks"
] | [
"battery pack",
"cordless power tool",
"cordless tool",
"power tool"
] | If you grow up around a small engineering business you are likely to gain something of an appreciation for power tools. You’ll see them of all ages, sizes, manufacturers, and technologies. When thinking of the power tools constantly on hand in the workshop of a blacksmith like my dad for instance, I’m instantly seeing ... | 242 | 50 | [
{
"comment_id": "3867170",
"author": "Ostracus",
"timestamp": "2017-08-07T17:13:43",
"content": "” Battery pack form factors change with each successive generation of tools, so the customer can not merely buy a new battery pack and move on. Great for the manufacturers, awful for the consumers.”One w... | 1,760,374,726.418509 | ||
https://hackaday.com/2017/08/07/one-persons-experience-of-having-pcb-assembly-done-in-china/ | One Person’s Experience Of Having PCB Assembly Done In China | Jenny List | [
"Parts"
] | [
"Chinese assembly",
"Chinese PCB",
"pcb",
"pcb assembly"
] | Those of us who have our PCBs manufactured by Chinese PCB fab houses will be used to seeing tempting offers to also assemble our completed boards. Send the Gerbers as normal, but also send a BoM, and for an extra slice of cash you can receive fully assembled PCBs instead of just bare boards. It sounds alluring, but lea... | 41 | 19 | [
{
"comment_id": "3866887",
"author": "Alex",
"timestamp": "2017-08-07T15:46:35",
"content": "Thanks for sharing my experience!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3866995",
"author": "Sobachatina",
"timestamp": "2017-08-07T16:13:14",
"co... | 1,760,374,726.637755 | ||
https://hackaday.com/2017/08/07/intro-to-the-north-american-traffic-signal/ | Intro To The North American Traffic Signal | Dan Maloney | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"Field Guide",
"stop light",
"traffic light",
"traffic signal"
] | Traffic lights are so ubiquitous that we hardly give them a second thought, except to curse their existence when they impede us on our daily drive. But no matter how much it seems like traffic lights have the ability to read our minds and tell when we’re running late, they’re really not much more than a set of lights a... | 78 | 25 | [
{
"comment_id": "3866624",
"author": "Terry King",
"timestamp": "2017-08-07T14:21:00",
"content": "That controller looks modern compared to the ones my Dad showed me in New Haven, Connecticut in about 1948. They had one motor with a long roller with settable cams for each light.",
"parent_id": n... | 1,760,374,727.013852 | ||
https://hackaday.com/2017/08/07/sailboat-throws-motor-overboard-adds-sensor-array/ | Sailboat Throws Motor Overboard, Adds Sensor Array | Bryan Cockfield | [
"Transportation Hacks"
] | [
"gauge cluster",
"instrument cluster",
"sailboat",
"sailing"
] | For those not familiar with sailing, it might seem like an obsolete way to get around on the water. This isn’t 1492 anymore, and it’s pretty easy to go out and get a boat with a motor to get where you need to go. Sailboats, however, are still one of the most efficient ways to travel. There are essentially no fuel costs... | 51 | 9 | [
{
"comment_id": "3866093",
"author": "John",
"timestamp": "2017-08-07T11:09:18",
"content": "I am not anal about English but some things I cannot let go.“Data” is plural.“Datum” is singular.“Datas ” is just garbage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,726.774319 | ||
https://hackaday.com/2017/08/07/inside-this-years-queercon-badge/ | Inside This Year’s Queercon Badge | Brian Benchoff | [
"cons",
"hardware"
] | [
"badge",
"badgelife",
"DEF CON",
"defcon 25",
"queercon",
"queercon badge"
] | At this point, it’s not really correct to describe DEF CON as a single, gigantic conference for security, tech, and other ‘hacky’ activities. DEF CON is more of a collection of groups hosting villages, get-togethers, meetups, and parties where like-minded individuals share their time, company, electronic war stories, a... | 11 | 7 | [
{
"comment_id": "3866162",
"author": "dave",
"timestamp": "2017-08-07T11:44:36",
"content": "There are the cheap Doppler sets, or do an ISM/433mhz implementation of aircraft transponder ADS-B(needs a pretty sophisticated sweep scanning base and altimeters in the badges), however it happens I want ga... | 1,760,374,726.688191 | ||
https://hackaday.com/2017/08/06/hackaday-uk-unconference-needs-you/ | Hackaday UK Unconference Needs You | Mike Szczys | [
"cons",
"Featured",
"Original Art",
"Slider"
] | [
"Hackaday UK Unconference",
"Hackaday Unconference",
"london",
"RS Components",
"United Kingdom"
] | Hackaday’s first ever conference in the United Kingdom will take place on September 16th.
Get your free ticket right now
for the Hackaday UK Unconference!
An Unconference is the best way to put your finger on the pulse of what is happening in the hardware world right now. Everyone who attends should be ready to stand a... | 34 | 18 | [
{
"comment_id": "3865231",
"author": "MichalKob",
"timestamp": "2017-08-07T07:10:06",
"content": "Let me just express my aprreciation for the Banksy reference in title art. The lighting is awesome as well. [Joe Kim], you ROCK!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,726.562034 | ||
https://hackaday.com/2017/08/05/electric-lego-longboard-now-complete-with-epic-road-test/ | Electric LEGO Longboard Now Complete With Epic Road Test | John Baichtal | [
"3d Printer hacks",
"Toy Hacks",
"Transportation Hacks"
] | [
"electric longboard",
"james bruton",
"lego",
"Lego Longboard",
"skateboard",
"xrobots"
] | We recently posted about [James Bruton]’s
most excellent oversized LEGO electric longboard
. Well, now he has completed the project by tidying a few things and building oversized versions of classic light-up bricks to serve as headlamps and the tail light. Most importantly,
he’s hitting the road with it
!
He built a LE... | 6 | 3 | [
{
"comment_id": "3859979",
"author": "none",
"timestamp": "2017-08-05T13:50:22",
"content": "A full grown man…. playing like a little boy, with toys. We became neutered…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3861174",
"author": "Ryoku",
... | 1,760,374,727.059729 | ||
https://hackaday.com/2017/08/05/add-a-second-sd-card-to-the-pi-zero/ | Add A Second SD Card To The Pi Zero | Lewin Day | [
"Raspberry Pi"
] | [
"pi zero",
"raspberry pi",
"Raspberry Pi Zero",
"sd",
"sd card",
"storage"
] | The Raspberry Pi Zero is a beautiful piece of hardware, fitting an entire Linux computer into a package the size of a pack of gum (don’t chew it, though). However, this size comes with limited IO options, which can be a complication for some projects. In this case, [Hugatry] wanted extra storage, and devised
a smart me... | 20 | 7 | [
{
"comment_id": "3859390",
"author": "onebiozz",
"timestamp": "2017-08-05T08:13:55",
"content": "I actually find it very odd that i have never seen anyone do this very simple thing that we have all known about for years before the PI … on the PI",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,727.115937 | ||
https://hackaday.com/2017/08/04/bespoke-processors-might-soon-power-your-artisanal-devices/ | Bespoke Processors Might Soon Power Your Artisanal Devices | Cameron Coward | [
"Microcontrollers"
] | [
"bespoke",
"custom",
"intel 4004",
"microprocessor",
"processor"
] | Modern microprocessors are a marvel of technological progress and engineering. At less than a dollar per unit, even the cheapest microprocessors on the market are orders of magnitude more powerful than their ancestors. The first commercially available single-chip processor, the Intel 4004, cost roughly $25 (in today’s ... | 50 | 20 | [
{
"comment_id": "3859271",
"author": "wombat",
"timestamp": "2017-08-05T06:52:53",
"content": "This implies that some time “in the near future” (probably a stretchable term) we will have cheap, custom produced processors — imagine all the other possibillities that would create!",
"parent_id": nu... | 1,760,374,727.202365 | ||
https://hackaday.com/2017/08/04/take-the-blue-pill-and-go-forth/ | Take The Blue Pill And Go Forth | Al Williams | [
"ARM",
"Microcontrollers",
"Software Development"
] | [
"arm",
"bluepill",
"forth",
"mecrisp",
"stm32"
] | Forth has a long history of being a popular hacker language. It is simple to bootstrap. It is expressive. It can be a very powerful system. [jephthal] took the excellent Mecrisp Forth and put it on the very inexpensive STM32 “blue pill” board to create
a development system that cost about $2
. You can see the video bel... | 38 | 12 | [
{
"comment_id": "3858752",
"author": "Ostracus",
"timestamp": "2017-08-05T02:26:33",
"content": "Forth is probably one of the first languages brought to a new architecture.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3858754",
"author": "Alex Rossie",
... | 1,760,374,727.279048 | ||
https://hackaday.com/2017/08/04/magsafe-power-bank-from-scrap/ | MagSafe Power Bank From Scrap | Bryan Cockfield | [
"computer hacks"
] | [
"battery",
"charging",
"laptop",
"lithium",
"magsafe",
"power adapter",
"power bank",
"salvage"
] | Just a few short years ago, it was possible to find scrapped lithium batteries for free, or at least for very cheap. What most people at the time didn’t realize is that a battery with multiple cells might go bad because only one cell is bad, leaving the others ready for salvaging. Now it’s not a secret anymore, but if ... | 23 | 7 | [
{
"comment_id": "3858572",
"author": "sdfdsfds",
"timestamp": "2017-08-05T00:44:35",
"content": "“so much more standard than my 2013 era Macbook’s battery pack, which I have had to replace on multiple occasions”Typing this on a 2013 Macbook Pro on its original battery pack, with 1200 cycles on it, w... | 1,760,374,727.382186 |
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