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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2017/10/26/pi-controlled-billy-from-the-saw-horror-flicks/ | Pi-Controlled Billy From The Saw Horror Flicks | Steven Dufresne | [
"Robots Hacks"
] | [
"puppet",
"raspberry pi",
"scary",
"tricycle",
"wheeled robot"
] | [David0429] has made a
very scary Raspberry Pi controlled puppet
. Scary that is if you’ve seen the
Saw movies
where a serial killer uses one like it, called Billy, to communicate with his victims. If you haven’t, then it’s a pretty neat remote-controlled puppet-on-a-tricycle hack.
A stepper motor hidden under the fron... | 5 | 2 | [
{
"comment_id": "4166576",
"author": "Buddy Casino",
"timestamp": "2017-10-26T11:25:13",
"content": "Well Done! Faster movement speed, preferably with random sudden leaps would make this even better.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4166622",
... | 1,760,374,625.230749 | ||
https://hackaday.com/2017/10/25/teensy-script-plays-nintendo-switch-strikes-out/ | Teensy Script Plays Nintendo Switch, Strikes Out | Lauren Faris | [
"Microcontrollers",
"Nintendo Hacks"
] | [
"Atmel",
"Atmel 90USB1286",
"Nintendo Switch",
"script",
"teensy 2.0",
"usb"
] | The most recent of the Zelda franchise,
Breath of the Wild
, is known for its many, many puzzles. One of the more frustrating ones involved bowling with a giant snowball at the top of a hillside. [Bertrand] did not like this, so he
cheated the system
hacked the Nintendo Switch so that he “genuinely earned” a strike e... | 9 | 3 | [
{
"comment_id": "4166405",
"author": "Megac",
"timestamp": "2017-10-26T07:25:46",
"content": "HA! Brilliant. I have done a few similar things with Autohotkey on PC games. :) Much easier than having to code my own language, but just as rewarding.One 2d space game required a ton of just collecting mon... | 1,760,374,624.735031 | ||
https://hackaday.com/2017/10/25/fpga-metastability-solutions/ | FPGA Metastability Solutions | Al Williams | [
"FPGA"
] | [
"flip-flop",
"fpga",
"hold",
"metastability",
"setup"
] | Gisselquist Technology recently posted
a good blog article
about metastability and common solutions. If you are trying to learn FPGAs, you’ll want to read it. If you know a lot about FPGAs already, you might still pick up some interesting tidbits in the post.
Don’t let the word metastability scare you. It is just a fan... | 30 | 10 | [
{
"comment_id": "4166247",
"author": "Matt",
"timestamp": "2017-10-26T02:04:54",
"content": "I remember covering this in an intro digital logic class a few years ago. Once you have many layers of logic things get really complicated.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,624.804627 | ||
https://hackaday.com/2017/10/25/imperial-rocker-for-stopping-tiny-rebel-scum/ | Imperial Rocker For Stopping Tiny Rebel Scum | Tom Nardi | [
"classic hacks",
"Toy Hacks"
] | [
"AT-AT",
"cnc",
"star wars",
"woodworking"
] | Some of the luckiest kids in the world have to be the ones with hackers and makers as parents. While normal kids are stuck playing with cookie cutter mass produced toys, these kids get one-off gadgets and creations that will be the envy of the playground. Frankly, some of the stuff ends up being so cool that it’ll get ... | 15 | 9 | [
{
"comment_id": "4166153",
"author": "Howard",
"timestamp": "2017-10-25T23:03:57",
"content": "You have learned much, young one. Impressive. Most impressive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4166162",
"author": "Internet",
"timestamp": "2... | 1,760,374,625.018271 | ||
https://hackaday.com/2017/10/25/alas-poor-yorick-he-hath-not-amazon-prime/ | Alas, Poor Yorick! He Hath Not Amazon Prime | Al Williams | [
"Raspberry Pi"
] | [
"alexa",
"Amazon Alexa",
"animatronic",
"halloween",
"halloween decorations",
"Halloween props",
"raspberry pi",
"servo",
"skull",
"Yorick"
] | If you are looking around for a Halloween project, you might consider
The Yorick Project
from [ViennaMike]. As you can see in the video below, it marries a Raspberry Pi acting as an Amazon Alexa with an animatronic skull.
This isn’t the most technically demanding project, but it has a lot of potential for further hacki... | 15 | 7 | [
{
"comment_id": "4164579",
"author": "Jehu",
"timestamp": "2017-10-25T10:08:48",
"content": "Needs a Turban, eyebrows and Jeff Dunham’s voice.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4164591",
"author": "Andrea Campanella",
"timestamp"... | 1,760,374,624.96679 | ||
https://hackaday.com/2017/10/24/lora-is-the-network/ | LoRaIsThe Network | Jenny List | [
"Radio Hacks"
] | [
"chat",
"LoRa",
"peer-to-peer",
"radio"
] | We’ve become used to seeing LoRa appearing in projects on these pages, doing its job as a low-bandwidth wireless data link with a significant range. Usually these LoRa projects take the form of a client that talks to a central Internet connected node, allowing a remote wireless-connected device to connect through that ... | 29 | 11 | [
{
"comment_id": "4164293",
"author": "Ostracus",
"timestamp": "2017-10-25T05:33:25",
"content": "Imagine Lora would be great in an agricultural setting.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4164483",
"author": "Biomed",
"timestamp":... | 1,760,374,625.084852 | ||
https://hackaday.com/2017/10/24/fpga-design-with-free-software/ | FPGA Design From Top To Bottom | Al Williams | [
"FPGA"
] | [
"fpga",
"iCE40",
"icestorm",
"lattice"
] | [Roland Lutz] gave
a talk about FPGA design
using the free tools for Lattice devices at the MetaRheinMainChaosDays conference this year. You can see the video below. It’s a great introduction to FPGAs that covers both the lowest-level detail and some higher level insight. If you’re getting started with these FPGAs, thi... | 20 | 4 | [
{
"comment_id": "4164148",
"author": "Paul",
"timestamp": "2017-10-25T02:50:02",
"content": "Lutz is a great name for a guy who works on FPGAs!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4164414",
"author": "Elliot Williams",
"timestamp":... | 1,760,374,625.193781 | ||
https://hackaday.com/2017/10/24/listen-to-the-netherworld-with-artificial-intelligence/ | Listen To The Netherworld With Artificial Intelligence | Dan Maloney | [
"Holiday Hacks",
"Misc Hacks"
] | [
"ai",
"api",
"EVP",
"ghost",
"Google Speech",
"halloween",
"neural net",
"paranormal",
"specter",
"spirit",
"spook"
] | It’s that time of year again, and with Halloween arguably being the hacker’s perfect holiday, we’re starting to see a tick up in projects with a spooky theme. Most seem to do with making some otherwise tame Halloween decorations scarily awesome, but this is different —
using artificial intelligence to search for ghosts... | 19 | 4 | [
{
"comment_id": "4163896",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-24T23:50:50",
"content": "Batman does this on Halloween, turns an amp up tuned to static, to see what his parents order him for Christmas through Alexa.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,625.140271 | ||
https://hackaday.com/2017/10/24/diy-laptop-aims-for-complete-hardware-freedom/ | DIY Laptop Aims For Complete Hardware Freedom | Tom Nardi | [
"3d Printer hacks",
"ARM",
"hardware"
] | [
"3d printed",
"arm",
"Novena",
"olimex",
"open hardware",
"Reform",
"system on chip"
] | Open source software has unquestionably gone from fringe idealism to mainstream, even if the average person doesn’t really know it. From their web browser to their smartphone operating system, more people are running open source software today than at any other time in the history of computing, and the numbers are only... | 29 | 14 | [
{
"comment_id": "4163421",
"author": "Carl S.",
"timestamp": "2017-10-24T20:43:13",
"content": "Open source hardware just doesn’t work like open source software.The thing about software is that it can be built for free, pretty much. Hardware has a manufacturing cost, and it goes down with volume, fr... | 1,760,374,625.340683 | ||
https://hackaday.com/2017/10/24/hackaday-prize-entry-thingspeak-iot-heart-rate-monitor/ | Hackaday Prize Entry: Thingspeak IoT Heart Rate Monitor | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ESP8266",
"health",
"heartbeat",
"pulse"
] | [Naman Chauhan]’s 2017 Hackaday Prize entry consists of a
heartbeat detection and monitoring system
that centers around everyone’s favorite WiFi board, the ESP8266. The monitor is hooked up to the patient’s finger, keeping track of his or her vitals and publishing the data on the cloud.
By using
Thingspeak
to manage th... | 2 | 1 | [
{
"comment_id": "4163840",
"author": "Saabman",
"timestamp": "2017-10-24T23:29:59",
"content": "I don’t know what it’s like in countries other than Australia but here patient data is confidential. And there is a couple of reasons for it.1/ just plain old privacy.2/ A little bit of knowledge is dange... | 1,760,374,625.26989 | ||
https://hackaday.com/2017/10/24/reverse-polish-notation-and-its-mildly-confusing-elegance/ | Reverse Polish Notation And Its Mildly Confusing Elegance | Jenny List | [
"classic hacks",
"Hackaday Columns",
"Interest",
"Slider"
] | [
"Jan Łukasiewicz",
"math",
"RPN",
"RPN calculator",
"sinclair scientific"
] | The best rummage sale purchase I ever made was a piece of hardware that used Reverse Polish Notation. I know what you’re thinking… RPN sounds like a sales gimmick and I got taken for a fool. But I assure you it’s not only real, but a true gem in the evolution of computing.
Best rummage sale find ever!
Sometime in the 1... | 132 | 50 | [
{
"comment_id": "4162884",
"author": "Ostracus",
"timestamp": "2017-10-24T17:11:41",
"content": "Nice thing about RPN. Only one person ever borrowed my calculator. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4162975",
"author": "RandyKC",
... | 1,760,374,625.910285 | ||
https://hackaday.com/2017/10/24/hackaday-superconference-kicks-off-with-a-party/ | Hackaday Superconference Kicks Off With A Party | Brian Benchoff | [
"cons",
"Hackaday Columns"
] | [
"2017 Hackaday Prize",
"2017 Hackaday Superconference",
"Superconference",
"supplyframe"
] | Begin the
Hackaday Superconference
a day early this year. Supercon is far more than a conference, it’s a Hacker Village that forms when we all get together and that’s happening on Friday, November 10th with early badge hacking, dinner, and a party all included with your Supercon ticket!
In the last year, Supplyframe (H... | 8 | 3 | [
{
"comment_id": "4162656",
"author": "Ostracus",
"timestamp": "2017-10-24T16:18:42",
"content": "” They’ve also opened their doors and are pulling out all the stops for the meet-and-greet pregame on Friday. Just let us know you’ll be there.”Can’t wait for VR conferences. No “sell out’s” there.",
... | 1,760,374,625.713961 | ||
https://hackaday.com/2017/10/24/heavily-hacked-printer-for-diy-pcbs/ | Heavily Hacked Printer For DIY PCBs | Dan Maloney | [
"Misc Hacks",
"Parts"
] | [
"etching",
"ferric chloride",
"ink jet",
"pcb",
"printer",
"resist",
"transfer"
] | Sometimes we get tips that only leave us guessing as to how — and sometimes why — a project was built. Such is the case with
this PCB printer
; in this case, the build specifics are the only thing in question, because it puts out some pretty impressive PCBs.
All we have to go on is the video after the break, which desp... | 34 | 10 | [
{
"comment_id": "4162510",
"author": "FFX",
"timestamp": "2017-10-24T15:36:34",
"content": "Looks like a UV printer to me. It’s like 10x the size of an Epson Stylus Photo 1390.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4164730",
"author": "Will"... | 1,760,374,625.975627 | ||
https://hackaday.com/2017/10/24/rosalind-franklin-saw-dna-first/ | Rosalind Franklin Saw DNA First | Dan Maloney | [
"Biography",
"Hackaday Columns",
"History",
"Original Art"
] | [
"Chemistry",
"crystallography",
"dna",
"portrait",
"women in technology",
"xray"
] | It’s a standard science trivia question: Who discovered the structure of DNA? With the basic concepts of molecular biology now taught at a fairly detailed level in grade school, and with DNA being so easy to isolate that it makes a good demonstration project for school or home, everyone knows the names of Watson and Cr... | 56 | 13 | [
{
"comment_id": "4162300",
"author": "Mike Glazer",
"timestamp": "2017-10-24T14:14:35",
"content": "Actually, technically Franklin was not the first. A year before an equivalent photo of DNA was obtained in the laboratory of Astbury (Leeds), seehttps://www.theguardian.com/science/2015/sep/17/willia... | 1,760,374,626.39624 | ||
https://hackaday.com/2017/10/24/portable-pi-and-fresh-breath/ | Portable Pi And Fresh Breath | Al Williams | [
"Raspberry Pi"
] | [
"raspberry pi",
"tic tac",
"tic tac box"
] | There’s a long history of building things in Altoid tins, but
the Pi-Tac 1.0
uses a Pi Zero W inside a Tic-Tac box. In addition to the processors, there is a tiny OLED display and a battery controller. According to a
Reddit
post, [Deathonater] plans to use it as a WiFi access point.
The
display
and the battery/power co... | 9 | 5 | [
{
"comment_id": "4162085",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-10-24T11:23:12",
"content": "What a cute little faraday cage!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4162097",
"author": "Redhatter (VK4MSL)",
"timestamp": ... | 1,760,374,626.441227 | ||
https://hackaday.com/2017/10/24/tiny-wearable-8-bit-vt100-terminal/ | Tiny, Wearable 8-Bit VT100 Terminal | Bryan Cockfield | [
"Arduino Hacks"
] | [
"arduino",
"Arduino Uno",
"serial terminal",
"small",
"terminal",
"vt-100"
] | In the modern era of computing, the end-user is often quite far removed from the machine they’re using. At least in terms of abstraction levels, the user experience of most computers, smart phones, and the like are very far away from the zeros and ones. If you need to get down to that level though, you’ll have to make ... | 13 | 6 | [
{
"comment_id": "4161865",
"author": "dave",
"timestamp": "2017-10-24T08:57:01",
"content": "While I currently use a Nokia N900 mostly over wifi for a mini-terminal(SSH and once even telnet for a printer)I have thought that a credit card sized clamshell with rubber or membrane keys like you see for ... | 1,760,374,626.102116 | ||
https://hackaday.com/2017/10/23/write-your-own-x86-bootloader/ | Write Your Own X86 Bootloader | Steven Dufresne | [
"Misc Hacks"
] | [
"bootloader",
"x86"
] | What if you want to make a very lean machine and do without any operating system? Or maybe you want to try to write your own OS, even just for the challenge or fun? Maybe you were reading up on a cool OS architecture and thought to yourself, “I can write that!”. Well, before diving into your code, you’d first have to w... | 40 | 12 | [
{
"comment_id": "4161608",
"author": "daid303",
"timestamp": "2017-10-24T05:22:25",
"content": "http://wiki.osdev.org/Main_PageJust leaving this here.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4166283",
"author": "defaultex",
"timestamp"... | 1,760,374,626.050963 | ||
https://hackaday.com/2017/10/23/dont-miss-the-bus-a-one-day-build/ | Don’t Miss The Bus: A One-Day Build | Dan Maloney | [
"Misc Hacks"
] | [
"ESP8266",
"IoT",
"led",
"LM4510",
"NodeMCU",
"timer"
] | Sometimes the most satisfying hacks are those that spring from a situation where resources are limited, either by choice or by chance. Constraints tend to stir the creative juices.
Serial Hackaday poster [limpkin] limited himself to a one-day build with what he had on hand for
this bus-route countdown timer
. Full poin... | 7 | 6 | [
{
"comment_id": "4161458",
"author": "bootstrap",
"timestamp": "2017-10-24T02:45:55",
"content": "Creating the mounting eyelet from the PCB is a nice touch",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4161534",
"author": "mxb",
"timestamp": "2017-10-... | 1,760,374,626.297084 | ||
https://hackaday.com/2017/10/23/lithium-ion-versus-lipoly-in-an-aeronautical-context/ | Lithium Ion Versus LiPoly In An Aeronautical Context | Brian Benchoff | [
"drone hacks"
] | [
"drone",
"lipoly",
"lithium ion",
"rc"
] | When it comes to lithium batteries, you basically have two types. LiPoly batteries usually come in pouches wrapped in heat shrink, whereas lithium ion cells are best represented by the ubiquitous cylindrical 18650 cells. Are there exceptions? Yes. Is that nomenclature technically correct? No, LiPoly cells are technical... | 32 | 11 | [
{
"comment_id": "4158471",
"author": "CRImier",
"timestamp": "2017-10-23T08:11:32",
"content": "That’s one of those writeups which make me subscribe to the comments, so that I can learn more about this topic, like, what’s the real reason behind using flat pack cells. Thank you!",
"parent_id": nu... | 1,760,374,626.514099 | ||
https://hackaday.com/2017/10/22/dual-direction-gamingdining-room-beam-lights/ | Dual Direction Gaming/Dining Room Beam Lights | Rich Hawkes | [
"home hacks"
] | [
"diy",
"gaming room",
"LED room lighting",
"sirari hardwood",
"z-wave"
] | Sometimes, you just can’t find something you want, and that’s when you break out the tools and get dirty with a bit of DIY. Reddit user [JaredBanyard] wanted a nice beam light for the dining room/gaming room. He ended up building one that shone both
downward, on the table, and upward
, adding some light to the room.
Wa... | 21 | 4 | [
{
"comment_id": "4158438",
"author": "echodelta",
"timestamp": "2017-10-23T07:17:37",
"content": "Not clear if separate power control of both up and down. Color temp should be adjustable. Hotter (blue) up is good with warmer down. Simple way would be this. Choice of color temp-time-of-day and refere... | 1,760,374,626.160923 | ||
https://hackaday.com/2017/10/22/using-an-arduino-to-re-create-a-computers-keyboard-decoder/ | Using An Arduino To Re-Create A Computer’s Keyboard Decoder | John Baichtal | [
"Repair Hacks"
] | [
"Apple //e",
"arduino",
"retrocomputing",
"shift register"
] | [Max Breedon] found an old Apple IIe clone twenty years ago. He recently dug this Epson AP-200 out of the salvage heap and quickly discovered that the keyboard decoder chip was fried. The old chip was way too obscure to source a replacement — and soon this post will be the top Google result for the string, ‘C35224E’ — ... | 19 | 8 | [
{
"comment_id": "4158145",
"author": "Bill Sussman",
"timestamp": "2017-10-23T02:03:26",
"content": "The ROM with repetitive bits might be a poor mans PLD. It could be doing address decoding or something like that",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,626.569123 | ||
https://hackaday.com/2017/10/22/hackaday-links-october-22-2017/ | Hackaday Links: October 22, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"adafruit",
"GAZ",
"kerf bending",
"labryinth",
"LimeSDR",
"Radiofruit",
"star trek",
"tetris"
] | A few weeks ago, the popcorn overflowed
because of an ambiguous tweet from Adafruit
.
Did Adafruit just buy Radio Shack
?
While everyone else was foaming at the mouth, we called it unlikely. The smart money is that Adafruit just bought a few fancy stock certificates, incorporation papers, and other official-looking doc... | 20 | 9 | [
{
"comment_id": "4157936",
"author": "deshipu",
"timestamp": "2017-10-22T23:19:55",
"content": "Those radio modules have been there since a while, I have a bunch of them in my drawer at least since the beginning of this year.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,374,626.626651 | ||
https://hackaday.com/2017/10/22/apparently-fruit-flies-like-a-raspberry-pi/ | Apparently Fruit Flies Like A Raspberry Pi | Al Williams | [
"3d Printer hacks",
"Arduino Hacks",
"Raspberry Pi"
] | [
"ethoscope",
"fruit flies"
] | Groucho Marx famously said, “Time flies like an arrow, but fruit flies like a banana.” As insulting as it is, researchers often use fruit flies for research because they have similar behavior and genetics to humans. For example, the flies exhibit signs of anxiety, stress, and many common diseases. Researchers at Imperi... | 11 | 7 | [
{
"comment_id": "4157764",
"author": "Tucson Tom",
"timestamp": "2017-10-22T20:06:34",
"content": "Why “and an Arduino?” Well, I can probably guess ….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4157784",
"author": "Al Williams",
"timestamp": "20... | 1,760,374,626.696044 | ||
https://hackaday.com/2017/10/22/hazardous-dollhouse-teaches-fire-safety/ | Hazardous Dollhouse Teaches Fire Safety | Kristina Panos | [
"Misc Hacks"
] | [
"dollhouse",
"educational",
"fire safety",
"smart home"
] | Fire safety is drilled into us from a young age. And for good reason, too, because fire hazards are everywhere in the average home. Even a small fire can turn devastatingly dangerous in a matter of minutes. But how do you get kids to really pay attention to scary (and often boring) adult concepts? You can teach a kid t... | 20 | 7 | [
{
"comment_id": "4157597",
"author": "alfcoder",
"timestamp": "2017-10-22T17:18:43",
"content": "or you can invite smokey bear to your class-room :)https://i.pinimg.com/736x/33/33/62/333362b1b83f4da905632962cbca9718–smokey-the-bears-forest-service.jpg",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,626.815567 | ||
https://hackaday.com/2017/10/22/seeking-and-making-the-best-plywood-for-laser-cutting-puzzles/ | Making The Best Plywood For Laser Cut Puzzles | Donald Papp | [
"Laser Hacks"
] | [
"custom plywood",
"custom wood",
"Laser cutting",
"plywood",
"puzzle"
] | Plywood laser-cuts fairly well but has drawbacks when used in serious production runs, as [Marie] explains in a
blog post about a quest for the ultimate laser-cutting plywood
. One of the things [Nervous System] makes and sells is generative jigsaw puzzles, and they shared their experience with the challenges in produc... | 19 | 9 | [
{
"comment_id": "4157286",
"author": "Internet",
"timestamp": "2017-10-22T15:32:57",
"content": "How does the pricing compare?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4157531",
"author": "Mark",
"timestamp": "2017-10-22T16:55:00",
"content":... | 1,760,374,626.756338 | ||
https://hackaday.com/2017/10/23/tinning-solution-from-the-hardware-store/ | Tinning Solution From The Hardware Store | Brian McEvoy | [
"chemistry hacks"
] | [
"acid",
"aesthetics",
"Chemistry",
"copper",
"HCl",
"pcb",
"Printed Circuit Board",
"tin",
"tinning"
] | Making your own printed circuit board at home often leads to a board which
looks
homemade. Exposed copper is one of the tell-tale signs. That may be your aesthetic and we won’t cramp your style, but exposed copper is harder to solder than tinned copper and it likes to oxidize over time. Tinning at home can bring you a ... | 20 | 7 | [
{
"comment_id": "4161125",
"author": "Clara",
"timestamp": "2017-10-23T23:21:19",
"content": "Very interesting! What’s with the voice though? It sounds artificially lowered, and it’s more than a bit distracting.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,627.187778 | ||
https://hackaday.com/2017/10/23/are-microwave-guns-for-real/ | Are Microwave Guns For Real? | Lewin Day | [
"classic hacks"
] | [
"em",
"emp",
"magnetron",
"magnetron cannon",
"microwave",
"microwave cannon",
"microwave gun"
] | Almost exactly one year ago, [Kreosan] published a video detailing an EM “weapon” built out of three magnetrons, some batteries, and a taser. It all seemed a bit too good to be true, so [Allen] decided to
try and replicate the results for himself.
[Kreosan]’s original video was impressive
, showing everything from home... | 65 | 15 | [
{
"comment_id": "4160643",
"author": "Olsen",
"timestamp": "2017-10-23T20:11:40",
"content": "Good on ya! Microwaves always scared me away from high-voltage high-frequency experiments.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4160744",
"author": "ehr... | 1,760,374,627.387386 | ||
https://hackaday.com/2017/10/23/hackaday-prize-entry-programming-fpgas-with-themselves/ | Hackaday Prize Entry: Programming FPGAs With Themselves | Brian Benchoff | [
"FPGA",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"fpga"
] | It’s been a few years since the introduction of the first Open Source toolchain for FPGAs. You would think a free and Open way to program FPGAs would be a boon for hardware development, but so far we’re really not seeing much in the way of a small, cheap, clever device that brings FPGAs to the masses.
We don’t know if
... | 46 | 10 | [
{
"comment_id": "4160341",
"author": "alfcoder",
"timestamp": "2017-10-23T18:38:57",
"content": "the hard/sad truth is that the fpga is not for the masses, pyton, arduino is much better suited for them…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4160356"... | 1,760,374,627.273923 | ||
https://hackaday.com/2017/10/23/what-makes-a-hacker/ | What Makes A Hacker | Brian McEvoy | [
"car hacks",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"automobile",
"cars",
"driving",
"featured",
"obstruction",
"sunglasses",
"trucks",
"vision"
] | I think I can sum up the difference between those of us who regularly visit Hackaday and the world of non-hackers. As a case study, here is a story about how necessity is the mother of invention and the people who invent.
Hackaday has overlap with sites like Pinterest and Instructables but there is one vital difference... | 114 | 36 | [
{
"comment_id": "4160030",
"author": "Ren",
"timestamp": "2017-10-23T17:07:27",
"content": "When I accepted my current job, one of the factors that I considered was that my commute is opposite of sunrise/sunset.As my commute is 55 minutes each way, it was a necessary criterion.",
"parent_id": nu... | 1,760,374,627.650764 | ||
https://hackaday.com/2017/10/23/solving-mazes-with-graphics-cards/ | Solving Mazes With Graphics Cards | Christian Trapp | [
"how-to",
"Video Hacks"
] | [
"color channels",
"gpu",
"maze",
"programming",
"shaders",
"Shadron",
"solver"
] | What if we told you that you are likely to have more computers than you think? And we are not talking about things that are computers while not looking like one, like most modern cars or certain lightbulbs. We are talking about the powerful machines hiding in your desktop computer called ‘graphics card’. In the ordinar... | 16 | 6 | [
{
"comment_id": "4159806",
"author": "Ostracus",
"timestamp": "2017-10-23T15:57:03",
"content": "“Despite having tons of cores and large memory, programming shaders feels a lot like working on microcontrollers. ”Half the fun right there, not to mention there might be an ARM core, sound processor, or... | 1,760,374,627.125489 | ||
https://hackaday.com/2017/10/23/makerbot-really-wants-you-to-like-them-again/ | MakerBot Really Wants You To Like Them Again | Tom Nardi | [
"3d Printer hacks",
"Business",
"Hackaday Columns",
"News",
"Slider"
] | [
"extruder",
"makerbot",
"makerbot labs",
"open hardware",
"open source"
] | For the last couple years, a MakerBot press release has generally signaled that more pink slips were going to be heading out to the already shell-shocked employees at their NYC factory. But just last week something that could almost pass as good news came out of the once mighty 3D printer manufacturer,
the unveiling of... | 76 | 35 | [
{
"comment_id": "4159495",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-23T14:09:06",
"content": "They don’t do a 0.5mm to fit standard mechanical pencil leads? … bummed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4161823",
"author": "Countspi... | 1,760,374,627.770684 | ||
https://hackaday.com/2017/10/23/the-grafofon-an-optomechanical-sequencer/ | The Grafofon: An Optomechanical Sequencer | Christian Trapp | [
"digital audio hacks",
"Musical Hacks"
] | [
"algorithmic music",
"art",
"digital music",
"image processing",
"sequencer"
] | There are quick hacks, there are weekend projects and then there are years long journeys towards completion. [Boris Vitazek]’s
grafofon
falls into the latter category. His creation can best be described as electromechanical sequencer synthesizer with a multiplayer mode.
The storage medium and interface for this sequen... | 4 | 2 | [
{
"comment_id": "4160011",
"author": "MacSimski",
"timestamp": "2017-10-23T17:01:16",
"content": "nice project. i also like the videocamera setup from the other art piece from Kelvin Schlei:https://vimeo.com/8650099",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,374,627.815436 | ||
https://hackaday.com/2017/10/25/duhk-dont-use-hard-coded-keys/ | DUHK: Don’t Use Hard-Coded Keys | Christian Trapp | [
"News",
"Security Hacks"
] | [
"cryptology",
"cybersecurity",
"exploit",
"vpn",
"white hat hacking"
] | The title reads like the name of a lecture in cryptography 101 or the first rule of Crypto Club. ‘
DUHK
‘ is in fact neither of those but the name of a recently disclosed vulnerability in a pseudorandom number generating algorithm (PNRG) that was until recently part of the federal standard X9.31.
Random numbers are ess... | 31 | 11 | [
{
"comment_id": "4165998",
"author": "emptyyjayy",
"timestamp": "2017-10-25T20:10:40",
"content": "*PRNG",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4166758",
"author": "Anon",
"timestamp": "2017-10-26T14:00:44",
"content": "*GPRN"... | 1,760,374,627.896554 | ||
https://hackaday.com/2017/10/25/hackaday-prize-entry-cnc-mill-lets-kids-engrave-on-the-fly/ | Hackaday Prize Entry: CNC Mill Lets Kids Engrave On The Fly | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"CNC mill",
"raspberry pi",
"SilentStepStick"
] | The manufacturing revolution has already begun, and there are 3D printers, CNC machines, and laser cutters popping up in garages and workspaces all around the world. The trouble with these machines is that they’re fiddly to use, and you don’t want a kid playing around with them.
[moritz.messerschmidt]’s Hackaday Prize ... | 17 | 6 | [
{
"comment_id": "4166009",
"author": "carlfugate",
"timestamp": "2017-10-25T20:19:26",
"content": "Great project! I’m looking forward to the release of the next version and project files to take stab at one myself!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,627.948248 | ||
https://hackaday.com/2017/10/25/hyperspectral-imaging-seeing-the-unseeable/ | Hyperspectral Imaging – Seeing The Unseeable | Will Sweatman | [
"digital cameras hacks",
"Engineering",
"Featured"
] | [
"agriculture",
"camera",
"drone",
"farm",
"hyperspectral",
"Imaging"
] | They say that a picture is worth a thousand words. But what is a picture exactly? One definition would be a perfect reflection of what we see, like one taken with a basic camera. Our view of the natural world is constrained to a bandwidth of 400 to 700 nanometers within the electromagnetic spectrum, so our cameras prod... | 25 | 10 | [
{
"comment_id": "4165596",
"author": "anfegori91",
"timestamp": "2017-10-25T17:10:45",
"content": "You are confusing multispectral with hyperspectral imaging. Parrot sequoia and Rededge are multispectral cameras, and are not capable of capturing more than red, green, blue, nir and rededge bands. Hyp... | 1,760,374,628.01172 | ||
https://hackaday.com/2017/10/25/friday-hack-chat-dmx512-gon-give-it-to-ya/ | Friday Hack Chat: DMX512 Gon’ Give It To Ya | Brian Benchoff | [
"Hackaday Columns"
] | [
"dmx",
"dmx512",
"Hack Chat"
] | DMX512 is the standard for theatrical lighting, and it’s best described as, ‘MIDI for lights’. It’s been around since the 80s, and in the decades since it’s been used, abused, and shoved into just about everything imaginable.
For this week’s Hack Chat, we’re talking all about DMX512. What
is
DMX512? How does it work? W... | 9 | 5 | [
{
"comment_id": "4165493",
"author": "Jeremy S. Cook",
"timestamp": "2017-10-25T16:39:30",
"content": "And I thought he abandoned stage lighting after his rap career took off.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4165505",
"author": "ET",
... | 1,760,374,628.18167 | ||
https://hackaday.com/2017/10/25/interference-scanner-with-clear-instructions/ | Interference Scanner With Clear Instructions | Brian McEvoy | [
"digital cameras hacks",
"Laser Hacks"
] | [
"3d",
"coherent light",
"double-slit",
"interference",
"laser",
"monochromatic",
"scanner",
"wave"
] | Meticulous. Thorough. Exacting. These are all words we’d use to describe this video by [BrendaEM] about her
Homemade 3D Optical Interference Scanner
which can be seen after the break. The scanner uses 3D-printed parts and repurposed materials you might find lying around in your spare parts bin. An old optical drive tra... | 13 | 5 | [
{
"comment_id": "4165399",
"author": "someone",
"timestamp": "2017-10-25T16:13:27",
"content": "Nice build!What did you use for painting everything black? how conductive was it electrically and thermally? did any of the parts like webcam electronics suffer from this?In most textbooks interference is... | 1,760,374,628.062408 | ||
https://hackaday.com/2017/10/25/a-passive-mixer-from-concept-to-shelf/ | A Passive Mixer’s Adventure Through Product Development | Lewin Day | [
"Business",
"Hackaday Columns",
"Musical Hacks"
] | [
"chiptune",
"design",
"gmix",
"mixer",
"music",
"passive mixer",
"product design"
] | The year was 2014, and KORG’s volca line of pint-sized synthesizers were the latest craze in the music world. Cheap synths and drum machines were suddenly a reality, all in a backpack-friendly form factor. Now practically anyone could become an electronic music sensation!
I attended a jam with friends from my
record la... | 21 | 7 | [
{
"comment_id": "4165181",
"author": "teatmouse",
"timestamp": "2017-10-25T14:28:47",
"content": "I ended up going with the Rolls passive mixer. Kudos on wading the waters :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4166092",
"author": "Tweepy... | 1,760,374,628.12905 | ||
https://hackaday.com/2017/10/25/nfc-enabled-business-card/ | NFC Enabled Business Card | Michael Uttmark | [
"hardware"
] | [
"business card",
"business cards",
"pcb business card"
] | [Sjaak] is
back at it again with the cool PCB business cards,
this time alleviating the burden to physically
type
his contact information into your phone. But NFC isn’t the only cool thing on this PCB – as always, his aesthetics don’t disappoint.
When we see [Sjaak’s] card, the future seems to be the now – not only do ... | 24 | 12 | [
{
"comment_id": "4164732",
"author": "uc",
"timestamp": "2017-10-25T11:17:39",
"content": "Nice!He can drill a hole on the PCB and place the IC upside-down in the hole, only the leads will protrude (routing must be mirrored)! Passives can be hidden completely if the hole is plated!Of course BGA can’... | 1,760,374,628.242719 | ||
https://hackaday.com/2017/10/21/3d-printed-dashboard-cb-mount-is-convoy-ready/ | 3D Printed Dashboard CB Mount Is Convoy Ready | Tom Nardi | [
"3d Printer hacks",
"car hacks",
"Radio Hacks"
] | [
"3d printed",
"cb radio",
"dashboard",
"subaru"
] | Some may be surprised to hear that CB radio is alive and well in the 21st century. From disaster response to operating in areas without reliable communication infrastructure, there are plenty of reasons people are still reaching for their radio and not their smartphone. Unfortunately, modern automotive interior design ... | 12 | 5 | [
{
"comment_id": "4154075",
"author": "brian",
"timestamp": "2017-10-21T14:06:22",
"content": "Nice! sharp corners fully compatible with retina in case of accident. ……ohh shut up grumpy old me!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4154609",
... | 1,760,374,628.295419 | ||
https://hackaday.com/2017/10/21/pop-goes-the-haunted-jack-in-the-box/ | Pop Goes The Haunted Jack-in-the-Box | Kristina Panos | [
"Raspberry Pi"
] | [
"CV",
"halloween",
"haunted toy",
"jack-in-the-box",
"raspberry pi"
] | Is Halloween sneaking up on you, too? It’s less than two weeks away, but there is still plenty of time to build something that will scare the pants off trick-or-treaters and party guests alike. This year, Hackaday regular
[Sean Hodgins] hacked his favorite holiday by taking something that ships with a base level of sc... | 10 | 4 | [
{
"comment_id": "4154146",
"author": "mjrippe",
"timestamp": "2017-10-21T14:58:59",
"content": "Great fun, but you have to reset it manually?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4156134",
"author": "bentwookiee",
"timestamp": "2017... | 1,760,374,628.339005 | ||
https://hackaday.com/2017/10/21/look-what-came-out-of-my-usb-charger/ | Look What Came Out Of My USB Charger ! | Anool Mahidharia | [
"Arduino Hacks",
"hardware"
] | [
"arduino",
"CHY100",
"power supply",
"QC",
"QC2.0",
"QC2Control",
"QC3.0",
"QC3Control",
"qualcomm",
"Quick charge",
"TPS61088",
"USB C",
"USB-PD"
] | Quick Charge, Qualcomm’s power delivery over USB technology, was introduced in 2013 and has evolved over several versions offering increasing levels of power transfer. The current version — QCv3.0 — offers 18 W power at voltage levels between 3.6 V to 20 V. Moreover, connected devices can negotiate and request any vol... | 6 | 2 | [
{
"comment_id": "4153458",
"author": "Per",
"timestamp": "2017-10-21T08:52:04",
"content": "Nice job :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4153515",
"author": "LOL",
"timestamp": "2017-10-21T09:06:56",
"content": "No one c... | 1,760,374,628.461951 | ||
https://hackaday.com/2017/10/20/one-chip-sixteen-times-the-ram/ | One Chip, Sixteen Times The RAM | Jenny List | [
"classic hacks"
] | [
"ram",
"sinclair",
"sinclair zx81",
"zx81"
] | Have you ever upgraded your computer’s memory sixteen-fold, with a single chip?
Tynemouth Software did for a classic Sinclair micro
.
For owners of home computers in the early 1980s, one of the most important selling points was how much RAM their device would have. Sometimes though there just wasn’t much choice but to ... | 16 | 7 | [
{
"comment_id": "4153179",
"author": "Tore Lund",
"timestamp": "2017-10-21T06:47:19",
"content": "If these chip sizes were affordable in the 80’s! What we did was piggybacking another 2K on top to get 4K total and use a single inverter gate to switch the ENB pin between the chips with the higher add... | 1,760,374,628.719627 | ||
https://hackaday.com/2017/10/20/low-budget-hydroformer-puts-the-squeeze-on-sheet-metal-parts/ | Low-Budget Hydroformer Puts The Squeeze On Sheet Metal Parts | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"die",
"DIY hydroforming",
"durometer",
"hydraulic press",
"neoprene",
"press",
"rubber",
"sheet metal",
"stamp",
"stamping"
] | Between manufacturing technologies like 3D-printing, CNC routers, lost-whatever metal casting, and laser and plasma cutters, professional quality parts are making their way into even the most modest of DIY projects. But stamping has largely eluded the home-gamer, what with the need for an enormous hydraulic press and m... | 22 | 9 | [
{
"comment_id": "4152725",
"author": "Ostracus",
"timestamp": "2017-10-21T03:47:07",
"content": "There’s even the use of explosives for forming metal.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4152829",
"author": "Pez",
"timestamp": "2017-10-21T04... | 1,760,374,628.668562 | ||
https://hackaday.com/2017/10/20/3d-printed-gear-serves-seven-months-hard-labor/ | 3D Printed Gear Serves Seven Months Hard Labor | Tom Nardi | [
"3d Printer hacks",
"hardware",
"Repair Hacks"
] | [
"3d printed",
"gear",
"repair",
"welder"
] | Even the staunchest 3D printing supporter would have to concede that in general, the greatest strength of 3D printing is not in the production of final parts, but in prototyping. Sure you can make functional prints, as the pages of this site will attest; but few would argue that you wouldn’t be better off getting your ... | 32 | 11 | [
{
"comment_id": "4152308",
"author": "XEON",
"timestamp": "2017-10-20T23:10:16",
"content": "Something i wish was possible.using electroplating to reinforce prints.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4152325",
"author": "stefan_z",
... | 1,760,374,628.799817 | ||
https://hackaday.com/2017/10/20/everything-worth-knowing-about-lockwire/ | Everything Worth Knowing About Lockwire | Brian McEvoy | [
"car hacks",
"Engine Hacks"
] | [
"engine",
"jet",
"lock",
"lockwire",
"motor",
"safety",
"safety wire",
"turbine"
] | We were tipped off to an older video by [AgentJayZ] which demonstrates the
proper use of lockwire
also known as ‘safety wire.’ In high vibration operations like jet engines, street racers, machine guns, and that rickety old wheelchair you want to turn into a drift trike, a loose bolt can spell disaster. Nylon fails und... | 29 | 14 | [
{
"comment_id": "4152052",
"author": "Ren",
"timestamp": "2017-10-20T20:11:00",
"content": "Hardly a street racer, the Flathead Ford engine in my old truck has its flywheel secured to the crankshaft by 4 safety wire bolts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,374,628.977778 | ||
https://hackaday.com/2017/10/22/the-web-clock-you-can-control-over-a-lan/ | The Web Clock You Can Control Over A LAN | Inderpreet Singh | [
"clock hacks",
"Misc Hacks"
] | [] | Not every project is meant to solve a new problem. Some projects can be an extension of an existing solution just to flex the geek muscles. One such project by [limbo] is the
Web Clock 2.0
which is an internet-connected clock.
Yes, it uses a WEMOS D1 mini which is equipped with an ESP-12F (ESP8266) and yes, it uses an ... | 8 | 4 | [
{
"comment_id": "4157046",
"author": "sdfdsdfsfd",
"timestamp": "2017-10-22T13:34:03",
"content": "“The system works by connecting to the Google servers to get GMT and then offsets it to calculate the local time.”Why? NTP exists for a reason. There’s even regional country-specific round-robin DNS.",... | 1,760,374,628.865972 | ||
https://hackaday.com/2017/10/22/chemotransfer-for-diy-pcbs/ | Chemotransfer For DIY PCBs | Brian Benchoff | [
"chemistry hacks"
] | [
"etching",
"pcb",
"pcb drill",
"toner transfer"
] | Making PCBs with the toner transfer method has been around since you could buy your traces at Radio Shack. There are a million techniques for removing copper from sheets of fiberglass, from milling to using resist pens, to the ubiquitous laser printer toner transfer.
Here’s a technique we haven’t seen before
. [Darko V... | 54 | 13 | [
{
"comment_id": "4156771",
"author": "Mats Engstrom (@matseng)",
"timestamp": "2017-10-22T08:11:45",
"content": "So it is basically just like the “Cold Transfer” featured here before but with a slightly more complex setup of chemicals/solvents?https://hackaday.com/2016/01/12/even-easier-toner-transf... | 1,760,374,629.074169 | ||
https://hackaday.com/2017/10/21/fruitnanny-the-raspberry-pi-baby-monitor-for-geeks/ | FruitNanny: The Raspberry Pi Baby Monitor For Geeks | Tom Nardi | [
"hardware",
"home hacks",
"Raspberry Pi"
] | [
"3d printed",
"baby monitor",
"dht22",
"NoIR",
"raspberry pi",
"WebRTC"
] | Having a child is perhaps the greatest “hack” a human can perform. There’s no soldering iron, no Arduino (we hope), but in the end, you’ve managed to help create the most complex piece of machinery in the known galaxy. The joys of having a child are of course not lost on the geekier of our citizens, for they wonder the... | 14 | 4 | [
{
"comment_id": "4156674",
"author": "polobunny",
"timestamp": "2017-10-22T05:27:00",
"content": "I like the look of the case, but I feel like a lot of 3D printed cases could be skipped entirely and a project box be used instead for a fraction of the cost and effort.That said it’s a good introductio... | 1,760,374,628.919844 | ||
https://hackaday.com/2017/10/21/making-music-with-the-wind/ | Making Music With The Wind | John Baichtal | [
"green hacks"
] | [
"fur elise",
"Music box",
"wind power",
"windmill"
] | [Niklas Roy] built a
windmill-powered music box
for his backyard, and it was so awesome all the neighbors wanted to take a picture of it. Someone even liked it so much that he stole [Niklas]’s windmill in the middle of the night. (We kind of don’t blame them, it’s a gorgeously clean build.)
In the past few weeks [Nikla... | 18 | 6 | [
{
"comment_id": "4156529",
"author": "Ostracus",
"timestamp": "2017-10-22T02:17:00",
"content": "” Someone even liked it so much that he stole [Niklas]’s windmill in the middle of the night. (We kind of don’t blame them, it’s a gorgeously clean build.)”I’d blame them for all the obvious reasons. Les... | 1,760,374,629.131381 | ||
https://hackaday.com/2017/10/21/reading-16-rotary-encoders-at-the-same-time/ | Reading 16 Rotary Encoders At The Same Time | John Baichtal | [
"Arduino Hacks"
] | [
"encoder",
"i2c",
"rotary encoder"
] | We’re digging these
daisy-chainable encoders
built by [fattore.saimon]. Each module consists of a rotary encoder attached to a PCB with a PIC16F15386 on the back. As we’ve covered in the past, the Microchip released their
feature-rich PIC16 microprocessor
just this year, and it’s great to see them start to crop up in p... | 19 | 7 | [
{
"comment_id": "4155988",
"author": "private",
"timestamp": "2017-10-21T23:08:48",
"content": "Lol. Maybe he should consider reworking the I2C pull-ups.Even if you scratch the Vcc connections, you’ll end up having all16×2 resistors in parallel, between SDA and SCL.",
"parent_id": null,
"dep... | 1,760,374,630.786008 | ||
https://hackaday.com/2017/10/21/these-twenty-projects-won-1000-in-the-hackaday-prize/ | These Twenty Projects Won $1000 In The Hackaday Prize | Brian Benchoff | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Anything Goes"
] | For the last several months, we’ve been hosting the greatest hardware competition on Earth.
This is the Hackaday Prize
, and we’ve just wrapped up the last of our five hardware challenges. For the
Anything Goes
challenge in this year’s Hackaday Prize, we’re asking hardware hackers to build the best, the coolest
thing
.... | 40 | 6 | [
{
"comment_id": "4155499",
"author": "Daren",
"timestamp": "2017-10-21T20:17:27",
"content": "Most of these projects deserve to be here.But.. some of them haven’t been updated in a month, and have 4 likes.I am not happy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,630.863623 | ||
https://hackaday.com/2017/10/21/segapi-zero-shows-game-gear-some-respect/ | SegaPi Zero Shows Game Gear Some Respect | Tom Nardi | [
"classic hacks",
"Raspberry Pi"
] | [
"emulation",
"EmulationStation",
"game gear",
"rasberry pi",
"sega"
] | If you were a gamer in 1991, you were presented with what seemed like an easy enough choice: you could get a Nintendo Game Boy, the gray brick with a slightly nauseating green-tinted screen that was already a couple of years old, or you could get yourself a glorious new Sega Game Gear. With full color display and games... | 15 | 3 | [
{
"comment_id": "4154656",
"author": "bty",
"timestamp": "2017-10-21T17:37:19",
"content": "6x 3.7V lithium-Ion 14500 batteries, total ~4500 mAh according to the article (700-800 mAh per battery, in parallel).So about ~16.5 Wh for a meaningful number!Let’s say the Pi Zero under full load requires ab... | 1,760,374,631.04013 | ||
https://hackaday.com/2017/10/20/hackaday-prize-entry-two-leg-robot/ | Hackaday Prize Entry: Two Leg Robot | Elliot Williams | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"bipedal",
"robot",
"two legs",
"walker",
"walking"
] | If you’re working on your own bipedal robot, you don’t have to start from the ground up anymore. [Ted Huntington]’s
Two Leg Robot
project aims to be an Open Source platform that’ll give any future humanoid-robot builders a leg up.
While we’ve seen quite a few
small two-legged walkers
, making a pair of legs for somethi... | 12 | 7 | [
{
"comment_id": "4151959",
"author": "JWHITTEN",
"timestamp": "2017-10-20T19:02:25",
"content": "He’s got legs, and he knows how to use them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4151986",
"author": "Jii",
"timestamp": "2017-10-20T1... | 1,760,374,630.914382 | ||
https://hackaday.com/2017/10/20/cable-bots-arise-domination-of-the-universe-is-at-hand/ | Cable Bots, Arise! Domination Of The Universe Is At Hand | John Baichtal | [
"cnc hacks",
"Hackaday Columns"
] | [
"Cable Bot",
"delta",
"delta bot",
"hanging v-plotter",
"Polargraph",
"winch bot"
] | Most CNC robots people see involve belts and rails, gantries, lead screws, linear bearings, and so forth. Those components need a rigid chassis to support them and to keep them from wobbling during fabrication and adding imperfections to the design. As a result, the scale is necessarily small — hobbyist bots max out at... | 30 | 15 | [
{
"comment_id": "4151808",
"author": "Schobi",
"timestamp": "2017-10-20T17:34:02",
"content": "you forgot the most impressive one at the MPI in Germany:http://www.cablerobotsimulator.orgI would love to try this!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,630.986842 | ||
https://hackaday.com/2017/10/20/supercon-badge-hacking-quick-start/ | Supercon Badge Hacking Quick-Start | Mike Szczys | [
"cons",
"hardware"
] | [
"2017 Hackaday Superconference",
"badge",
"badge hacking",
"badgelife",
"Supercon"
] | The hardware badge Mike Harrison designed for this year’s Hackaday Superconference is begging to be hacked. Today, I wanted to help get you up and running quickly.
The Hacker Village atmosphere of Supercon is starting up a day early this year. On Friday, November 10th badge pick-up starts at noon and badge hacking cont... | 8 | 4 | [
{
"comment_id": "4151684",
"author": "zakqwy",
"timestamp": "2017-10-20T16:18:18",
"content": "thanks for the excellent documentation. really cool to see the original prototype picture as well. can’t wait to see how the finished boards look!",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,374,631.255844 | ||
https://hackaday.com/2017/10/20/openais-world-champion/ | Artificial Intelligence At The Top Of A Professional Sport | Lauren Faris | [
"Current Events",
"Featured",
"Interest",
"News",
"Original Art",
"Software Development"
] | [
"ai",
"competition",
"dota2",
"Elon Musk",
"esport",
"machine learning",
"neural network",
"openai",
"video game"
] | The lights dim and the music swells as an elite competitor in a silk robe passes through a cheering crowd to take the ring. It’s a blueprint familiar to boxing, only this pugilist won’t be throwing punches.
OpenAI created
an AI bot that has beaten the best players in the world at this year’s International championship.... | 20 | 7 | [
{
"comment_id": "4151534",
"author": "Christopher Kirkman",
"timestamp": "2017-10-20T14:33:20",
"content": "While this AI was a great step forward you missed the fact that after the competition 50 rare sets were offered to the first 50 people to beat it, All of them were claimed withing 24 hours usi... | 1,760,374,631.108573 | ||
https://hackaday.com/2017/10/20/diy-nintendo-switch-may-be-better-than-real-thing/ | DIY Nintendo Switch May Be Better Than Real Thing | Tom Nardi | [
"3d Printer hacks",
"handhelds hacks",
"Nintendo Hacks"
] | [
"3d printed",
"EmulationStation",
"raspberry pi",
"retropie",
"Teensy"
] | Nintendo’s latest
Zelda
-playing device, the Switch, is having no problems essentially printing money for the Japanese gaming juggernaut. Its novel design that bridges the gap between portable and home console by essentially being both at the same time has clearly struck a chord with the modern gamer, and even 8 months... | 20 | 9 | [
{
"comment_id": "4151239",
"author": "Tilly Jones",
"timestamp": "2017-10-20T11:18:48",
"content": "So…. This is just another emulator project and not an actual homemade switch? Shameful.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4151542",
"auth... | 1,760,374,631.373073 | ||
https://hackaday.com/2017/10/20/amiga-gets-a-ps2-keyboard-port/ | Amiga Gets A PS/2 Keyboard Port | Dan Maloney | [
"classic hacks"
] | [
"amiga",
"ATmega168",
"commodore",
"emulator",
"keyboard",
"lookup table",
"ps2",
"retrocomputer"
] | Name any retrocomputer — Apple II, Sinclair, even TRS-80s — and you’ll find a community that’s deeply committed to keeping it alive and kicking. It’s hard to say which platform has the most rabid fans, but we’d guess Commodore is right up there, and the Amiga aficionados seem particularly devoted. Which is where
this A... | 30 | 7 | [
{
"comment_id": "4150997",
"author": "Ostracus",
"timestamp": "2017-10-20T08:41:04",
"content": "“Name any retrocomputer — Apple II, Sinclair, even TRS-80s — and you’ll find a community that’s deeply committed to keeping it alive and kicking.”BeBox.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,374,631.315316 | ||
https://hackaday.com/2017/10/19/the-nixie-tube-killer-that-never-was/ | The Nixie Tube Killer That Never Was | Dan Maloney | [
"classic hacks"
] | [
"anode",
"cathode",
"cathode ray tube",
"crt",
"display",
"high voltage",
"Nimo",
"nixie",
"phosphor"
] | With the wealth of Nixie projects out there, there are points at which Hackaday is at risk of becoming Nixieaday. Nixie clocks, Nixie calculators, Nixie weather stations, and Nixie power meters have all graced our pages. And with good reason – Nixie tubes have a great retro look, and the skills needed to build a driver... | 33 | 11 | [
{
"comment_id": "4150772",
"author": "RÖB",
"timestamp": "2017-10-20T05:24:42",
"content": "It might seem odd that LEDs competed with nixies.As for driving a nixie-tubes – this will seem even more odd –http://www.decodesystems.com/sn7441b.gifWe actually had 74xx series TTL chips to drive 90volt nixi... | 1,760,374,631.438792 | ||
https://hackaday.com/2017/10/19/diy-9v-battery/ | DIY 9V Battery | Al Williams | [
"classic hacks"
] | [
"battery",
"penny"
] | Volta’s pile — the first battery — was little more than silver and zinc discs separated by paper soaked in salt water. A classic classroom experiment is to build a pile from copper pennies, tin foil, and vinegar or lemon juice. [Omars2] has a different take on this old experiment. He
creates a 9V battery
using some zin... | 13 | 7 | [
{
"comment_id": "4148682",
"author": "p",
"timestamp": "2017-10-19T11:05:01",
"content": "c/dissolves/dissociates/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4149609",
"author": "rumpel",
"timestamp": "2017-10-19T18:46:08",
"conte... | 1,760,374,632.014287 | ||
https://hackaday.com/2017/10/19/cheap-rc-truck-mod-is-slightly-risky-fun/ | Cheap RC Truck Mod Is Slightly Risky Fun | Tom Nardi | [
"hardware",
"Toy Hacks"
] | [
"1S",
"lipo",
"remote control",
"toy"
] | The world of RC can be neatly split into two separate groups: models and toys. The RC models are generally big, complex, and as you’d imagine, more expensive. On the other hand, the RC toys are cheap and readily available. While not as powerful or capable as their more expensive siblings, they can often be a lot of fun... | 32 | 13 | [
{
"comment_id": "4148487",
"author": "cyk",
"timestamp": "2017-10-19T09:21:50",
"content": "Lithium battery protection boards cost a dime a dozen, so what?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4148497",
"author": "Buddy Casino",
"timestamp": ... | 1,760,374,632.089785 | ||
https://hackaday.com/2017/10/18/a-web-based-modem/ | A Web-Based Modem | Al Williams | [
"internet hacks"
] | [
"html5",
"modem",
"webaudio"
] | If you are beyond a certain age, you will recall when getting on the Internet was preceded by strange buzzing and squawking noises. Modems used tones to transmit and receive data across ordinary telephone lines. There were lots of tricks used to keep edging the speed of modem up until — at the end — you could download ... | 41 | 16 | [
{
"comment_id": "4148171",
"author": "Marty",
"timestamp": "2017-10-19T06:37:02",
"content": "Completely pointless unless it can operate as a real modem.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4148200",
"author": "Stajp",
"timestamp":... | 1,760,374,632.403709 | ||
https://hackaday.com/2017/10/18/motion-activated-super-squirter-stands-guard/ | Motion Activated Super-Squirter Stands Guard | Steven Dufresne | [
"Misc Hacks"
] | [
"arducam",
"ESP8266",
"PIR sensor",
"security system",
"sentry",
"sentry turret",
"turret",
"water gun"
] | Thieves beware. If you prowl around [Matthew Gaber]’s place, you get soaked by his
motion activated super-squirter
. Even if he’s not at home, he can aim and fire it remotely using an iPhone app. And for the record, a camera saves photos of your wetted-self to an SD card.
ESPino, ArduCAM UNO and voltage converter board... | 14 | 6 | [
{
"comment_id": "4147950",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-19T02:06:52",
"content": "So what’s the most repulsive liquid you can put in there without actually getting sued?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4147972",
"aut... | 1,760,374,632.328612 | ||
https://hackaday.com/2017/10/18/hassle-free-classical-conditioning-for-honey-bees/ | Hassle-Free Classical Conditioning For Honey Bees | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"bee",
"classical conditioning",
"cognitive bias",
"honey bee",
"varroa mites"
] | When you’re sick or have a headache, you tend to see things a bit differently. An ill-feeling human will display a cognitive bias and expect the world to punish them further. The same is true of honey bees. They are intelligent creatures that exhibit a variety of life skills, such as decision-making and learning.
It wa... | 10 | 7 | [
{
"comment_id": "4147781",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-18T23:07:10",
"content": "So I’m thinking, why don’t you breed a bee with a dribbly stinger so it keeps grooming formic acid over itself ???",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,374,632.510005 | ||
https://hackaday.com/2017/10/18/exploiting-weak-crypto-on-car-key-fobs/ | Exploiting Weak Crypto On Car Key Fobs | Christian Trapp | [
"car hacks",
"Security Hacks"
] | [
"encryption",
"key fob",
"raspberry pi",
"RTL-SDR",
"subaru"
] | [tomwimmenhove] has found a
vulnerability
in the cryptographic algorithm that is used by certain Subaru key fobs and he has open-sourced the software that drives this exploit. All you need to open your Subaru is a RasPi and a DVB-T dongle, so you could complain that sharing this software equates to giving out master ke... | 55 | 12 | [
{
"comment_id": "4147586",
"author": "Eric Woerle",
"timestamp": "2017-10-18T20:07:53",
"content": "“so you could complain that sharing this software equates to giving out master keys to potential car thieves. On the other hand, this only works for a limited number of older models from a single manu... | 1,760,374,632.598654 | ||
https://hackaday.com/2017/10/18/hackaday-prize-entry-unlock-your-pc-the-rfid-way/ | Hackaday Prize Entry: Unlock Your PC The RFID Way | Jenny List | [
"Arduino Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino pro micro",
"HID keyboard",
"PC unlock",
"rfid"
] | Sometimes we see projects whose name describes very well what is being achieved, without conveying the extra useful dimension they also deliver. So it is with [Prasanth KS]’s
Windows PC Lock/Unlock Using RFID
. On the face of it this is a project for unlocking a Windows PC, but when you sit down and read through it you... | 21 | 10 | [
{
"comment_id": "4147477",
"author": "Olsen",
"timestamp": "2017-10-18T18:53:28",
"content": "I’m wary of wireless unlock methods. I use a mechanical key to start my desktop.It’s more for looks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4147497",
... | 1,760,374,632.461879 | ||
https://hackaday.com/2017/10/19/fotw-led-strips-make-awful-servo-drivers/ | FoTW: LED Strips Make Awful Servo Drivers | Jenny List | [
"Fail of the Week",
"LED Hacks"
] | [
"led",
"led strip",
"pwm",
"servo",
"Servo driver"
] | We must all have at some time or another spotted a hack that seems like an incredible idea and which just
has
to be tried, but turns out to have been stretching the bounds of what is possible just a
little
too far. A chunk of our time has disappeared without trace, and we sheepishly end up buying the proper part for th... | 15 | 4 | [
{
"comment_id": "4150574",
"author": "Matt",
"timestamp": "2017-10-20T03:31:38",
"content": "I assume the pwm signal feeds to a transistor which connects the LED to a constant current source (all inside the chip) since that’s what I did when i designed an led driver recently. It should be possible ... | 1,760,374,632.713744 | ||
https://hackaday.com/2017/10/19/scratch-built-watch-case-is-a-work-of-art/ | Scratch Built Watch Case Is A Work Of Art | Tom Nardi | [
"clock hacks",
"cnc hacks",
"Wearable Hacks"
] | [
"bluing",
"cnc",
"lathe",
"watch"
] | The wristwatch was once an absolute necessity, as much fashion statement as it was a practical piece of equipment. Phones in our pockets (and more often than not, in our faces) replaced the necessity of the wristwatch for the majority of people, and the fashion half of the equation really only interests a relatively sm... | 33 | 10 | [
{
"comment_id": "4150101",
"author": "Ostracus",
"timestamp": "2017-10-19T23:30:01",
"content": "Horology is still fun just for all the moving parts, and geeks do love moving parts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4150240",
"author": "colinm... | 1,760,374,632.66865 | ||
https://hackaday.com/2017/10/19/quick-hack-helps-als-patient-communicate/ | Quick Hack Helps ALS Patient Communicate | Dan Maloney | [
"Medical Hacks"
] | [
"ACAT",
"accelerometer",
"als",
"amyotrophic lateral sclerosis",
"assitive",
"Lou Gherig's disease",
"speech synthesis"
] | A diagnosis of amyotrophic lateral sclerosis, or ALS, is devastating. Outlier cases like [Stephen Hawking] notwithstanding, most ALS patients die within four years or so of their diagnosis, after having endured the progressive loss of muscle control that robs them of their ability to walk, to swallow, and even to speak... | 5 | 5 | [
{
"comment_id": "4149775",
"author": "Silver Spoon",
"timestamp": "2017-10-19T20:06:00",
"content": "Me too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4149800",
"author": "ctag",
"timestamp": "2017-10-19T20:24:22",
"content": "Awesome project,... | 1,760,374,632.751845 | ||
https://hackaday.com/2017/10/19/hackaday-prize-entry-pyrotechnics-sequencer-with-wireless-control/ | Hackaday Prize Entry: Pyrotechnics Sequencer With Wireless Control | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"fireworks",
"pyrotechnics",
"relay",
"shift register"
] | [visualkev]’s friend was putting on his own fireworks show by lighting each one in turn, then running away. It occurred to [visualkev] that his friend wasn’t really enjoying the show himself because he was ducking for cover instead of watching the fun. Plus, it was kind of dangerous. Accordingly, he applied his hacker ... | 26 | 4 | [
{
"comment_id": "4149600",
"author": "Colton Westrate (@dr_fishy)",
"timestamp": "2017-10-19T18:43:23",
"content": "So, uh, you need pretty specific licenses to do this kind of thing legally AFAIK.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4149672",
... | 1,760,374,633.447003 | ||
https://hackaday.com/2017/10/19/books-you-should-read-the-cuckoos-egg/ | Books You Should Read: The Cuckoo’s Egg | Dan Maloney | [
"Hackaday Columns",
"History",
"Original Art",
"Reviews",
"Slider"
] | [
"cia",
"Cliff Stoll",
"espionage",
"fbi",
"Markus Hess",
"networking",
"nsa",
"PSTN",
"security",
"spy",
"spying",
"The Cuckoo's Nest",
"unix",
"vax"
] | The mid-1980s were a time of drastic change. In the United States, the Reagan era was winding down, the Cold War was heating up, and the IBM PC was the newest of newnesses. The comparatively few wires stitching together the larger university research centers around the world pulsed with a new heartbeat — the Internet P... | 62 | 24 | [
{
"comment_id": "4149375",
"author": "Ostracus",
"timestamp": "2017-10-19T17:23:33",
"content": "“In 1986, having recently lost his research grant, astronomer Clifford Stoll was made a computer system admin with the wave of a hand by the management of Lawrence Berkeley Laboratory’s physics departmen... | 1,760,374,633.598839 | ||
https://hackaday.com/2017/10/19/enlarged-miniature-forklift/ | Enlarged Miniature Forklift | Brian McEvoy | [
"3d Printer hacks"
] | [
"block",
"building block",
"fork",
"forklift",
"giant",
"lego",
"miniature",
"modular",
"ridable",
"truck"
] | How do you classify something that is gigantic and miniature at the same time? LEGO kit 850, from 1977 when it was known as an Expert Builder set, was 210 modular blocks meant to be transformed into a forklift nearly 140mm tall. [Matt Denton] scaled up the miniature pieces but it still produced a
smaller-than-life fork... | 19 | 5 | [
{
"comment_id": "4149161",
"author": "Stu",
"timestamp": "2017-10-19T15:36:15",
"content": "How do we know they’re haven’t just shrunken themselves?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4149786",
"author": "Tomo",
"timestamp": "2017... | 1,760,374,633.497239 | ||
https://hackaday.com/2017/10/19/spy-tech-stealing-a-moon-probe/ | Spy Tech: Stealing A Moon Probe | Al Williams | [
"Featured",
"History",
"Slider"
] | [
"cia",
"cold war",
"luna",
"Lunik",
"moon",
"space race"
] | Ever hear of the Soviet Luna program? In the west, it was often called Lunik, if you heard about it at all. Luna was a series of unmanned moon probes launched between 1959 and 1976. There were at least 24 of them, and 15 were successful. Most of the failures were not reported or named. Luna craft have a number of first... | 61 | 13 | [
{
"comment_id": "4149089",
"author": "Pirate Labs",
"timestamp": "2017-10-19T14:35:01",
"content": "Ah, the good old days when the CIA actually did some amazing things.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4149748",
"author": "Jonathan",
... | 1,760,374,633.993849 | ||
https://hackaday.com/2017/10/18/retrotechtacular-weather-station-kurt/ | Retrotechtacular: Weather Station Kurt | Jenny List | [
"History",
"Retrotechtacular"
] | [
"automatic weather station",
"canada",
"weather station",
"Weather Station Kurt",
"WW2"
] | Sometimes when researching one Hackaday story we as writers stumble upon the one train of thought that leads to another. So it was with a recent look at an unmanned weather station buoy from the 1960s, which took us on a link to a much earlier automated weather station.
The restored Kurt in the Canadian National War Mu... | 24 | 13 | [
{
"comment_id": "4146892",
"author": "Michael",
"timestamp": "2017-10-18T18:04:12",
"content": "The description of the Graw’s Diaphragm remunds me of the encoding mechanism used in Hellschreiber (https://www.nonstopsystems.com/radio/hellschreiber-function-operation.htm). I’m guessing that a similar ... | 1,760,374,633.664617 | ||
https://hackaday.com/2017/10/18/friday-hack-chat-energy-harvesting/ | Friday Hack Chat: Energy Harvesting | Brian Benchoff | [
"Hackaday Columns"
] | [
"energy harvesting",
"Hack Chat",
"RF",
"solar"
] | Think about an Internet-connected device that never needs charging, never plugs into an outlet, and will never run out of power. With just a small solar cell, an Internet of Thing module can run for decades. This is the promise of energy harvesting, and it opens the doors to a lot of interesting questions.
Joining us f... | 23 | 8 | [
{
"comment_id": "4146185",
"author": "Murdock",
"timestamp": "2017-10-18T16:20:00",
"content": "So solar panels? Calculators have done that for well over a decade.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4146322",
"author": "RW ver 0.0.1",
... | 1,760,374,633.726172 | ||
https://hackaday.com/2017/10/18/about-that-giant-robot-battle-last-night/ | About That Giant Robot Battle Last Night | Pedro Umbelino | [
"News",
"Robots Hacks"
] | [
"battlebots",
"mech",
"megabots",
"suidobashi"
] | Two years ago we
wrote about a giant robot battle
between the USA and Japan. After two years in the making, MegaBots (team USA) and Suidobashi (team Japan) were finally ready for the first giant robot fight. If you are into battle bots, you probably did not miss the fight that happened around 7:00 pm PST. If you missed... | 61 | 22 | [
{
"comment_id": "4145935",
"author": "Leithoa",
"timestamp": "2017-10-18T15:29:08",
"content": "Tips for next time:– Lose Mike Goldberg, he’s terrible at announcing MMA and at least as bad here.– Don’t edit it like My First Film Project(tm)– Not everything needs to be a macro shot, in fact if you di... | 1,760,374,633.82804 | ||
https://hackaday.com/2017/10/18/practical-public-key-cryptography/ | Practical Public Key Cryptography | Pedro Umbelino | [
"Featured",
"Interest",
"Security Hacks",
"Slider"
] | [
"encryption",
"gpg",
"openpgp",
"pki",
"private key",
"public key encryption"
] | Encryption is one of the pillars of modern-day communications. You have devices that use encryption all the time, even if you are not aware of it. There are so many applications and systems using it that it’s hard to begin enumerating them. Ranging from satellite television to your mobile phone, from smart power meters... | 25 | 8 | [
{
"comment_id": "4145945",
"author": "Ostracus",
"timestamp": "2017-10-18T15:32:39",
"content": "“One of the great breakthroughs in the history of encryption was the invention of public key cryptography or asymmetrical cryptography in the 70’s.”The other was the NSA taking their fingers out of expor... | 1,760,374,633.887382 | ||
https://hackaday.com/2017/10/18/rescuing-an-antique-saw-set/ | Rescuing An Antique Saw Set | Adam Fabio | [
"Tool Hacks"
] | [
"hand tool rescue",
"restoration",
"rust",
"Saw Set",
"tool"
] | Who doesn’t like old tools? Even if they aren’t practical to use for production, plenty of old tools still have a life to offer the hobbyist or home worker. Some tools might seem a bit too far gone – due to age, rust, or practicality, to use. That’s where [Hand Tool Rescue] comes in. [HTR] finds rusty, dirty old tools... | 16 | 6 | [
{
"comment_id": "4145551",
"author": "macona",
"timestamp": "2017-10-18T11:02:45",
"content": "Apparently really old hand saws are one of the hardest things for collectors to find. Early saws tended to wear out fast and get tossed.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,634.110333 | ||
https://hackaday.com/2017/10/18/testing-brushless-motors-with-a-scope-or-a-meter/ | Testing Brushless Motors With A Scope (or A Meter) | Al Williams | [
"Tool Hacks"
] | [
"brushless motor",
"motor",
"motor testing"
] | Brushless motors have a lot of advantages over traditional brushed motors. However, testing them can be a bit of a pain. Because the resistance of the motor’s coils is usually very low, a standard resistance check isn’t likely to be useful. Some people use LC meters, but those aren’t as common as a multimeter or oscill... | 18 | 5 | [
{
"comment_id": "4145298",
"author": "fishpepper",
"timestamp": "2017-10-18T08:35:22",
"content": "You can actually do much more using this method, I use it to measure the Kv rating of brushless motor I did rewind.By coincidence, I wrote a blog post on that last night:http://fishpepper.de/2017/10/17... | 1,760,374,634.055036 | ||
https://hackaday.com/2017/10/17/control-system-fundamentals-by-video/ | Control System Fundamentals By Video | Al Williams | [
"how-to"
] | [
"control system theory",
"Fourier",
"Laplace equations",
"pid"
] | If you’ve had the classic engineering education, you probably have a hazy recollection of someone talking about control theory. If you haven’t, you’ve probably at least heard of PID controllers and open loop vs closed loop control. If you don’t know about control theory or even if you just want a refresher, [Brian Doug... | 17 | 5 | [
{
"comment_id": "4144888",
"author": "Betelgeuse (@Betelgeizs)",
"timestamp": "2017-10-18T05:05:34",
"content": "I’ve seen this guy’s videos on PID before, they are really well structured and easy to follow.Best of all, the way he explains things, gives you a good intuition regarding what each param... | 1,760,374,634.322359 | ||
https://hackaday.com/2017/10/17/sacrificial-bridge-avoids-3d-printed-supports/ | Sacrificial Bridge Avoids 3D Printed Supports | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"bridging",
"captive nut",
"dfm",
"sacrificial bridge",
"support structure",
"tips"
] | [Tommy] shares a simple 3D printing design tip that will be self-evident to some, but a bit of a revelation to others: the concept of
a sacrificial bridge to avoid awkward support structures
. In the picture shown, the black 3D print has small bridges and each bridge has a hole. The purpose of these bits is to hold a h... | 25 | 16 | [
{
"comment_id": "4144429",
"author": "nraynaud",
"timestamp": "2017-10-18T02:09:57",
"content": "good idea! I add another one: when capturing a nut, capture a square nut. DIN 577, a german standard, defines square nuts with the same width as the equivalent ISO hex nut.",
"parent_id": null,
"... | 1,760,374,634.683275 | ||
https://hackaday.com/2017/10/17/click-your-heels-thrice-hail-a-cab-home/ | Click Your Heels Thrice, Hail A Cab Home | Anool Mahidharia | [
"Arduino Hacks"
] | [
"1sheeld",
"arduino",
"Dorothy",
"magic",
"Ruby Slippers",
"uber",
"Wizard of Oz"
] | If Dorothy from
The Wizard of Oz
were to wake up in 2017, with her magic Ruby Slippers on her feet, she’d probably believe she had woken up in a magical world. But modern folks will need a little more magic to impress them. Like
Clicking your heels thrice to get home with these Uber ruby slippers
. [Hannah Joshua] was ... | 21 | 7 | [
{
"comment_id": "4144005",
"author": "Internet",
"timestamp": "2017-10-17T23:45:51",
"content": "They could also be used by legal prostitutes as a “panic” button?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4145369",
"author": "Martin",
"t... | 1,760,374,634.610576 | ||
https://hackaday.com/2017/10/17/spare-rpi-you-have-a-currency-trading-platform/ | Spare RPi? You Have A Currency Trading Platform | Bryan Cockfield | [
"Raspberry Pi"
] | [
"arm",
"currency",
"exagear",
"forex",
"metatrader",
"raspberry pi",
"trading",
"wine"
] | While Bitcoin and other altcoins are all the rage these days, there is still a lot of activity in the traditional currency exchanges. Believe it or not, there’s money to be made there as well, although it rarely makes fanciful news stories like cryptocurrency has been. Traditional currency trading can be done similar t... | 29 | 17 | [
{
"comment_id": "4143189",
"author": "CRImier",
"timestamp": "2017-10-17T20:18:45",
"content": "Honestly, I’m surprised this project got to the .com blog. Dmitry’s Hackaday.io projects all are advertisements for Exagear software, links to this software are referral links and many “projects” are just... | 1,760,374,634.385146 | ||
https://hackaday.com/2017/10/17/hackaday-prize-entry-playing-with-usb-power-delivery/ | Hackaday Prize Entry: Playing With USB Power Delivery | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"usb",
"USB Power Delivery",
"USB-PD"
] | USB Power Delivery is the technology that’s able to pump 100 Watts down a USB cable. It’s been around for half a decade now, but only in the last few years have devices and power supplies supporting USB PD shown up on the market. This is a really interesting technology, and we can’t wait to see the outcome of people me... | 29 | 7 | [
{
"comment_id": "4143006",
"author": "slincolne",
"timestamp": "2017-10-17T19:07:11",
"content": "Does anyone have any ideas as to the Radio Frequency Interference this technology creates?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4143016",
"aut... | 1,760,374,634.446617 | ||
https://hackaday.com/2017/10/17/microsoft-bug-tracking-hacked/ | Microsoft Bug Tracking Hacked | Pedro Umbelino | [
"News"
] | [
"bugs",
"hacked",
"microsoft"
] | It seems that the database containing descriptions of critical and unfixed bugs and/or vulnerabilities in some of the most widely used software in the world, including the Windows operating system,
was hacked back in 2013
. This database is basically gold for any security researcher, regardless of the color of their ha... | 15 | 6 | [
{
"comment_id": "4142706",
"author": "Ostracus",
"timestamp": "2017-10-17T17:15:26",
"content": "“This database is basically gold for any security researcher, regardless of the color of their hat. To know which programs fail and the preconditions for that to happen is half an exploit right there.”Ju... | 1,760,374,634.732077 | ||
https://hackaday.com/2017/10/17/bad-rsa-library-leaves-millions-of-keys-vulnerable/ | Bad RSA Library Leaves Millions Of Keys Vulnerable | Pedro Umbelino | [
"News",
"Security Hacks"
] | [
"encryption",
"factorization",
"ROCA",
"rsa",
"security"
] | So, erm… good news everyone! A vulnerability has been found in a software library responsible for generating RSA key pairs used in hardware chips manufactured by Infineon Technologies AG.
The vulnerability, dubbed ROCA
, allows for an attacker, via a
Coppersmith’s attack
, to compute the private key starting with nothi... | 20 | 10 | [
{
"comment_id": "4142650",
"author": "surprised",
"timestamp": "2017-10-17T16:28:23",
"content": "“The currently confirmed number of vulnerable keys found is about 760,000 but could be up to two to three orders of magnitude higher.” so between 76,000,000 and 760,000,000. are you sure?",
"parent_... | 1,760,374,634.784473 | ||
https://hackaday.com/2017/10/17/3d-prints-and-food/ | 3D Prints And Food | Al Williams | [
"3d Printer hacks",
"cooking hacks",
"Featured",
"Interest"
] | [
"3d printing",
"fda",
"filament",
"food safe"
] | We recently ran a post about a
cute little 3D printed elephant
that could dispense booze. The design didn’t actually have the plastic touching the liquid — there was a silicone tube carrying the shots. However, it did spark a conversation at the secret Hackaday bunker about how safe it is to use 3D printed objects for ... | 55 | 14 | [
{
"comment_id": "4142410",
"author": "Steven Gann",
"timestamp": "2017-10-17T14:12:15",
"content": "I printed a coffee mug out of ABS. Brushed with acetone to seal the larger crevices, poured in some acetone and swirled vigorously until dried to turn the interior into a solid fused surface. I let it... | 1,760,374,635.01631 | ||
https://hackaday.com/2017/10/17/stripping-3d-printed-gears-for-science/ | Stripping 3D Printed Gears For Science | Tom Nardi | [
"3d Printer hacks"
] | [
"3d printed",
"compound gearing",
"gearbox"
] | While 3D printing is now well on its way to becoming “boring” in the same way that a table saw or lathe is, there was a time when the media and even some early adopters would have told you that the average desktop 3D printer was perhaps only a few decades behind the kind of replicator technology we saw on the
Enterpris... | 33 | 9 | [
{
"comment_id": "4142000",
"author": "Csaba",
"timestamp": "2017-10-17T12:08:48",
"content": "Why not include a nice kN or any human readable force in the article instead of lbs. Hackaday used to be an international friendly site.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,634.918084 | ||
https://hackaday.com/2017/10/17/teensystep-fast-stepper-library-for-teensy/ | TeensyStep – Fast Stepper Library For Teensy | Anool Mahidharia | [
"Microcontrollers"
] | [
"arduino",
"Bresenham",
"FlexTimer Module",
"IntervallTimer",
"motor",
"motor speed",
"pulse rate",
"schrittmotor",
"stepper",
"stepper driver",
"stepper motor",
"StepperMotor",
"Teensy"
] | The Teensy platform is very popular with hackers — and rightly so. Teensys are available in 8-bit and 32-bit versions, the hardware has a bread-board friendly footprint, there are a ton of Teensy libraries available, and they can also run standard Arduino libraries. Want to blink a lot of LED’s? At very fast update rat... | 27 | 9 | [
{
"comment_id": "4141726",
"author": "RÖB",
"timestamp": "2017-10-17T09:20:23",
"content": "And I see the teensy 3.5 is out now too. This is impressive!“Version 3.5 features a 32 bit 120 MHz ARM Cortex-M4 processor with floating point unit. All digital pins are 5 volt tolerant”Just the thing for com... | 1,760,374,634.848429 | ||
https://hackaday.com/2017/10/16/snazzy-balun-lets-ham-use-off-the-shelf-coax/ | Snazzy Balun Lets Ham Use Off-The-Shelf Coax | Dan Maloney | [
"Radio Hacks"
] | [
"1:1",
"amateur",
"antenna",
"balanced",
"balun",
"bifilar",
"dipole",
"Guanella",
"ham",
"unbalanced"
] | It’s a dilemma many hams face: it’s easy to find yourself with a big spool of RG-11 coax cable, usually after a big cable TV wiring project. It can be tempting to use it in antenna projects, but the characteristic impedance of RG-11 is 75 Ω, whereas the ham world is geared to 50 Ω. Not willing to waste a bounty of free... | 42 | 8 | [
{
"comment_id": "4140975",
"author": "Karl",
"timestamp": "2017-10-17T05:20:34",
"content": "It’s important to note that you should match the 75Ω impedance of the coax with the 50Ω impedance that your radio expects. It’s not mentioned here, but in the Reddit thread says it’s done with an inductor an... | 1,760,374,635.105191 | ||
https://hackaday.com/2017/10/16/dubai-police-test-quadcopter-motorcycle/ | Dubai Police Test Quadcopter Motorcycle | Al Williams | [
"drone hacks",
"News"
] | [
"drone",
"hoverbike",
"manned quadcopter",
"quadcopter"
] | If you ever wish you could be on your quadcopter when you fly it, you will really want to see the video showing the Dubai police department
testing the Hoverbike
. The
Russian company
Hoversurf that markets the device doesn’t provide a lot of technical details, but it looks fairly simple. It is basically a motorcycle s... | 69 | 23 | [
{
"comment_id": "4140432",
"author": "Lou Faustini",
"timestamp": "2017-10-17T02:18:34",
"content": "Holy Freak’n bad idea Batman!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4140440",
"author": "BrightBlueJim",
"timestamp": "2017-10-17T0... | 1,760,374,635.215169 | ||
https://hackaday.com/2017/10/16/echo-dot-finds-swanky-new-home-in-art-deco-speaker/ | Echo Dot Finds Swanky New Home In Art Deco Speaker | Tom Nardi | [
"classic hacks",
"home entertainment hacks",
"LED Hacks"
] | [
"Amazon Echo",
"Art Deco",
"bluetooth speaker",
"echo dot",
"retro"
] | The phrase
“They don’t make them like they used to”
is perhaps best exemplified by two types of products: cars and consumer electronics. Sure, the vehicles and gadgets we have now are so advanced that they may as well be classified as science-fiction when compared to their predecessors, but what about that
style.
Our m... | 15 | 7 | [
{
"comment_id": "4139605",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-16T23:17:47",
"content": "If I shift some mental gears around until it’s an artistic commentary through a synthesis of elements of Brave New World and 1984, I like it….… otherwise, meh.",
"parent_id": null,
"depth": 1... | 1,760,374,635.270289 | ||
https://hackaday.com/2017/10/16/aussies-propose-crackdown-on-insecure-iot-devices/ | Aussies Propose Crackdown On Insecure IoT Devices | Jenny List | [
"Security Hacks"
] | [
"Australia",
"IoT",
"iot security",
"security"
] | We’ve all seen the stories about IoT devices with laughably poor security. Both within our community as fresh vulnerabilities are exposed and ridiculed, and more recently in the wider world as stories of easily compromised baby monitors have surfaced in mass media outlets. It’s a problem with its roots in IoT device ma... | 36 | 14 | [
{
"comment_id": "4138821",
"author": "Gravis",
"timestamp": "2017-10-16T20:07:51",
"content": "Yeah… this has been a long time coming. However, it’s certainly no silver bullet.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4138840",
"author": "Olsen",
... | 1,760,374,636.057332 | ||
https://hackaday.com/2017/10/16/hackaday-prize-entry-giving-phackaday-prize-entry-giving-phones-their-tactile-buttons-backhones-tactile-buttons-again/ | Hackaday Prize Entry: Giving Phones Their Tactile Buttons Back | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"smartphone"
] | In the before-times, we could send text messages without looking at our phones. It was glorious, and something 90s Kids™ wish we could bring to our gigantic glowing rectangles stuck in our pocket. For his Hackaday Prize Entry, [Kyle] is bringing just a little bit of this sightless functionality back to the modern smart... | 10 | 5 | [
{
"comment_id": "4138692",
"author": "RW ver 0.0.1",
"timestamp": "2017-10-16T19:03:46",
"content": "IMO the current laws against texting and driving are anti safety…. because people are gonna do it, and it was safer when you could hold your phone way up, rest your hand on the dash and AT LEAST have... | 1,760,374,636.263854 | ||
https://hackaday.com/2017/10/15/hackaday-links-october-15-2017/ | Hackaday Links: October 15, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"2017 Hackaday Prize",
"Astroprint",
"ces",
"deer jerky",
"Go",
"GoCV",
"LED panels",
"opencv",
"star trek"
] | For the last few months we’ve been running The Hackaday Prize, a challenge for
you
to build the best bit of hardware. Right now — I mean
right now —
you should be finishing up your project, crossing your t’s and dotting your lowercase j’s.
The last challenge in the Prize ends tomorrow
. After that, we’re going to pick ... | 32 | 9 | [
{
"comment_id": "4133914",
"author": "drwho8 (@drwho8)",
"timestamp": "2017-10-15T23:17:26",
"content": "Actually I’ve already spent my fifty dollars. Someone I know from the Parallax Forum, (who didn’t comment when the BASIC Stamp returned.). Basically he’s no longer with the company, and, ah, sell... | 1,760,374,636.774028 | ||
https://hackaday.com/2017/10/15/hackaday-prize-entry-modular-rapid-deployment-power-station/ | Hackaday Prize Entry: Modular, Rapid Deployment Power Station | Bryan Cockfield | [
"green hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"battery",
"disaster",
"generation",
"green",
"power",
"power station",
"rescue",
"solar",
"turbine",
"wind"
] | After a disaster hits, one obvious concern is getting everyone’s power restored. Even if the power plants are operational after something like a hurricane or earthquake, often the power lines that deliver that energy are destroyed. While the power company works to rebuild their infrastructure, [David Ngheim]’s
mobile, ... | 17 | 7 | [
{
"comment_id": "4133685",
"author": "ijsohr",
"timestamp": "2017-10-15T20:37:42",
"content": "Great idea, poor execution. During natural disasters infrastructure is one of the things that will get stolen. After recent floods in Poland few years ago criminals had a great time robbing whatever was le... | 1,760,374,637.723 | ||
https://hackaday.com/2017/10/15/cheap-3d-printers-make-cheaperer-bioprinters/ | Cheap 3D Printers Make Cheaper(er) Bioprinters | Tom Nardi | [
"3d Printer hacks",
"chemistry hacks",
"Medical Hacks"
] | [
"3d printer",
"algae",
"bioprinting",
"collagen",
"Monoprice MP Select Mini"
] | In case you missed it, prices on 3D printers have hit an all time low. The hardware is largely standardized and the software is almost exclusively open source, so it makes sense that eventually somebody was going to start knocking these things out cheap. There are now many 3D printers available for less than $300 USD, ... | 27 | 7 | [
{
"comment_id": "4133559",
"author": "Drone",
"timestamp": "2017-10-15T18:10:10",
"content": "I see a “BD” syringe called out here. Be careful:Becton Dickinson products are excellent from their track record (there are some cases reported of reactions in pre-filled syringes, especially from “Drug Com... | 1,760,374,637.537769 | ||
https://hackaday.com/2017/10/15/one-more-day-for-hackaday-prize-glory/ | One More Day For Hackaday Prize Glory | Mike Szczys | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Anything Goes",
"Final Round"
] | This is your last day to enter the
2017 Hackaday Prize
. The theme is to Build Something that Matters, so don’t sit on the sidelines.
You have great power to make a change in the world. Put your mind to a problem you believe is worth solving and inspire us with your build. Whether it’s a turnkey solution or a seed idea... | 2 | 2 | [
{
"comment_id": "4134476",
"author": "Dougmsbbs",
"timestamp": "2017-10-16T01:37:29",
"content": "Well, Here’s wishing everyone entered the best of luck!There’s a lot of real good projects entered.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4136750",
"... | 1,760,374,637.671499 | ||
https://hackaday.com/2017/10/15/encryption-for-the-most-meager-of-devices/ | Encryption For The Most Meager Of Devices | Jenny List | [
"Security Hacks"
] | [
"encryption",
"IoT",
"one time pad",
"security"
] | It seems that new stories of insecure-by-design IoT devices surface weekly, as the uneasy boundary is explored between the appliance and the Internet-connected computer. Manufacturers like shifting physical items rather than software patches, and firmware developers may not always be from the frontline of Internet secu... | 57 | 21 | [
{
"comment_id": "4133211",
"author": "walshlg",
"timestamp": "2017-10-15T14:08:37",
"content": "What if you drop a packet, how to resink?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4133242",
"author": "JH",
"timestamp": "2017-10-15T14:25:... | 1,760,374,637.623316 |
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