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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2017/07/15/lets-play-spot-the-fake-mosfet/ | Let’s Play Spot The Fake MOSFET | Brian Benchoff | [
"hardware"
] | [
"counterfeit",
"counterfeit parts",
"mosfet"
] | Recently, the voice push to talk circuit in [Ryan]’s BITX40 radio was keyed down for a very long time. Blue smoke was released, a MOSFET was burnt out, and [Ryan] needed a new IRF510 N-channel MOSFET. Not a problem; this is a $1 in quantity one, but shipping from Mouser or Digikey will always kill you if you only buy o... | 82 | 28 | [
{
"comment_id": "3771963",
"author": "dabzzz",
"timestamp": "2017-07-15T14:31:25",
"content": "Usually going for the device with the better looks (mold quality, unused look, labelling quality including crisp and consistent fonts, non-chinglish description and overall material impression) is the way ... | 1,760,374,755.105197 | ||
https://hackaday.com/2017/07/15/stm32cubemx-makes-makefiles/ | STM32CubeMX Makes Makefiles | Elliot Williams | [
"Microcontrollers",
"News"
] | [
"makefile",
"stm32",
"stm32cubemx"
] | When hardware manufacturers make GUI code-generation tools, the resulting files often look like a canned-spaghetti truck overturned on the highway — there’s metaphorical overcooked noodles and red sauce all over the place. Sometimes we think they’re doing this willfully to tie you into their IDE. Not so the newest vers... | 31 | 11 | [
{
"comment_id": "3771853",
"author": "anlumo",
"timestamp": "2017-07-15T11:08:30",
"content": "Now If only they had some kind of documentation on their HAL library…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3771889",
"author": "dumohsmol",
... | 1,760,374,754.981008 | ||
https://hackaday.com/2017/07/15/reflective-sensor-becomes-kart-racing-lap-counter/ | Reflective Sensor Becomes Kart Racing Lap Counter | Donald Papp | [
"Arduino Hacks"
] | [
"adafruit",
"infrared",
"ir",
"kart racing",
"Lap counter",
"racing",
"reflective object sensor",
"sparkfun",
"thermal printer",
"Velleman PEM10D"
] | Once you have a track and a kart to race on it, what’s missing? A lap counter that can give your lap times in hardcopy, obviously! That’s what led [the_anykey] to create the
Arduino-based Lap Timer
to help him and his kids trim those precious seconds off their runs, complete with thermal printer for the results.
The ha... | 8 | 6 | [
{
"comment_id": "3771818",
"author": "Jon H",
"timestamp": "2017-07-15T09:59:34",
"content": "If each kart had some bright RGB LEDs on the side facing the lap counter, with each kart having a unique RGB color, perhaps Sparkfun’s ISL29125 RGB sensors could be used to keep track of which kart is break... | 1,760,374,754.807206 | ||
https://hackaday.com/2017/07/14/laser-exposing-pcbs-with-a-blu-ray-laser/ | Laser Exposing PCBs With A Blu-Ray Laser | Jenny List | [
"Laser Hacks"
] | [
"blu-ray laser",
"laser PCB exposure",
"pcb",
"PCB exposure"
] | For those of us whose introduction to PCB making came decades ago and who share fond memories of permanent markers and crêpe paper sticky tape, the array of techniques available to PCB artists of today seem nothing short of magical. Toner transfer and peroxide etchant mixtures might seem run-of-the-mill to many readers... | 24 | 9 | [
{
"comment_id": "3771659",
"author": "Wallace Owen",
"timestamp": "2017-07-15T05:28:17",
"content": "How different is G-code from gerber photoplot format? Maybe this could prototype boards with this then send the same gerbers to the board house when your prototypes work.",
"parent_id": null,
... | 1,760,374,755.415943 | ||
https://hackaday.com/2017/07/14/behind-the-scenes-at-a-professional-fireworks-show/ | Behind The Scenes At A Professional Fireworks Show | John Baichtal | [
"Misc Hacks"
] | [
"fireworks",
"pyrotechnics"
] | Have you ever wondered what goes on behind the scenes at a big fireworks show? Last year [Kenneth] was asked to help manually ignite a fireworks show, and this consisted of him running down a row of shells with a road flare, lighting each one in turn. He apparently did so well that this year
worked another show
, this ... | 18 | 6 | [
{
"comment_id": "3771511",
"author": "joshuacoppersmith",
"timestamp": "2017-07-15T03:11:32",
"content": "Back in the day I worked a summer building professional display materials. Great work, outdoors (for safety) and very relaxing. We never saw any electronics. Instead, we had boards with regularl... | 1,760,374,754.913309 | ||
https://hackaday.com/2017/07/14/worlds-worst-bitcoin-mining-rig/ | World’s Worst Bitcoin Mining Rig | Dan Maloney | [
"classic hacks",
"Slider"
] | [
"alto",
"bitcoin",
"cryptocurrency",
"gpu",
"mining",
"xerox parc"
] | Even if we don’t quite understand what’s happening in a Bitcoin mine, we all pretty much know what’s needed to set one up. Racks of GPUs and specialized software will eventually find a few of these vanishingly rare virtual treasures, but if you have enough time, even
a Xerox Alto from 1973 can be turned into a Bitcoin ... | 26 | 10 | [
{
"comment_id": "3768691",
"author": "Genki",
"timestamp": "2017-07-14T10:14:07",
"content": "I’m going to guess this machine won’t run Crysis either.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3768895",
"author": "Unferium",
"timestamp":... | 1,760,374,755.238888 | ||
https://hackaday.com/2017/07/13/sneak-thieves-beware-a-pi-watcheth/ | Sneak Thieves Beware: A Pi Watcheth | James Hobson | [
"Raspberry Pi",
"Security Hacks"
] | [
"camera",
"module",
"pushbullet",
"security",
"smartphone",
"system",
"video"
] | Ever have that strange feeling that somebody is breaking into your workshop? Well, Hackaday.io user [Kenny] has whipped up a tutorial on how to scratch that itch by turning a spare Raspberry Pi you may have kicking around into a
security camera system
that notifies you at a moment’s notice.
The system works like this: ... | 8 | 8 | [
{
"comment_id": "3768036",
"author": "oisnrh",
"timestamp": "2017-07-14T05:12:34",
"content": "Spider walks on a lens: false alarms.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3768201",
"author": "echodelta",
"timestamp": "2017-07-14T06:47:31",
... | 1,760,374,754.85267 | ||
https://hackaday.com/2017/07/13/improving-the-accuracy-of-gas-sensors/ | Improving The Accuracy Of Gas Sensors | Brian Benchoff | [
"hardware"
] | [
"gas sensor",
"R",
"sensor"
] | If you need a sensor to detect gasses of some sort, you’ll probably be looking at the MQ series of gas sensors. These small metal cylinders contain a heater and some electrochemical sensor. Wire the heater up to a voltage, and connect one end of the resistor to an ADC, and you have a sensor for alcohol vapors, hydrogen... | 12 | 7 | [
{
"comment_id": "3767597",
"author": "Matt",
"timestamp": "2017-07-14T02:02:25",
"content": "Can someone give me an example of a cool DIY project they did using gas sensors?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3767600",
"author": "???? ???... | 1,760,374,755.28746 | ||
https://hackaday.com/2017/07/13/bearing-in-bearing-fidget-spinner-taken-to-the-max/ | Bearing-in-Bearing Fidget Spinner Taken To The Max | John Baichtal | [
"hardware",
"Slider"
] | [
"bearing",
"Fidget Spinner",
"overkill"
] | People who know about bearings go through a phase of bemusement with regards to fidget spinners. We say something like, “man, I got a whole box of bearings in the basement.” Then we go through a “OK, I’ll make one” phase and print one out of PLA.
[fishpepper] took that sentiment a step further. After being forced to pr... | 34 | 16 | [
{
"comment_id": "3767435",
"author": "fm`",
"timestamp": "2017-07-13T23:28:51",
"content": "Spinception?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3767441",
"author": "Eric",
"timestamp": "2017-07-13T23:37:39",
"content": "WOW this video is a ... | 1,760,374,755.356036 | ||
https://hackaday.com/2017/07/13/movie-encoded-in-dna-is-the-first-step-toward-datalogging-with-living-cells/ | Movie Encoded In DNA Is The First Step Toward Datalogging With Living Cells | Sean Boyce | [
"Medical Hacks",
"Video Hacks"
] | [
"biohacking",
"CRISPR",
"lifehacks",
"video hacks"
] | While DNA is a reasonably good storage medium, it’s not particularly fast, cheap, or convenient to read and write to.
What if living cells could simplify that by recording useful data into their own DNA for later analysis? At Harvard Medical School, scientists are working towards this goal by
using CRISPR to encode and... | 33 | 17 | [
{
"comment_id": "3767291",
"author": "Ren",
"timestamp": "2017-07-13T20:49:37",
"content": "There were a couple of Star Trek episodes that were based on the idea of storing / smuggling data in DNA.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3767324",
... | 1,760,374,755.175752 | ||
https://hackaday.com/2017/07/13/hackaday-prize-entry-farmcorder-delivers-crop-data-for-improved-yields/ | Hackaday Prize Entry: Crop Data For Improved Yields | Lewin Day | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"agriculture",
"agronomy",
"chlorophyll",
"crops",
"farm",
"farmcorder",
"farming"
] | As the world’s population continues to increase, more food will be needed for all the extra mouths to feed. Unfortunately, there’s not a whole lot of untapped available farmland. To produce extra food, crop yields need to increase. [Vignesh Ravichandran] is tackling this with the
Farmcorder – a device for detecting cro... | 29 | 10 | [
{
"comment_id": "3767186",
"author": "Ostracus",
"timestamp": "2017-07-13T19:00:45",
"content": "“As the world’s population continues to increase, more food will be needed for all the extra mouths to feed. Unfortunately, there’s not a whole lot of untapped available farmland.”Arcologies…for plants."... | 1,760,374,755.647323 | ||
https://hackaday.com/2017/07/13/retrotechtacular-london-bus-overhaul/ | Retrotechtacular: London Bus Overhaul | Jenny List | [
"Hackaday Columns",
"Retrotechtacular",
"Transportation Hacks"
] | [
"bus",
"London Transport",
"overhaul",
"transport"
] | If you have ever visited London as a tourist, what memories did you take away as iconic of the British capital city? The sound of Big Ben sounding the hour in the Elizabeth Tower of the Palace of Westminster perhaps, the Yeoman Warders at the Tower of London, or maybe the guardsmen at Buckingham Palace. Or how about th... | 48 | 13 | [
{
"comment_id": "3766983",
"author": "Ostracus",
"timestamp": "2017-07-13T17:04:12",
"content": "Two things. Iconic phone booths, and it would be interesting to see a train overhauled.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3767078",
"author"... | 1,760,374,756.940762 | ||
https://hackaday.com/2017/07/14/badge-from-diamond-age-comes-to-def-con/ | Badge From Diamond Age Comes To DEF CON | Mike Szczys | [
"cons"
] | [
"apa102",
"badgelife",
"DEF CON",
"defcon 25",
"dragonfly",
"hardware badge",
"neal stephenson",
"stm32",
"stm32f0",
"the diamond age"
] | We’re huge fans of [Neal Stephenson’s] work and are usually looking to assign some of his vision to the gear that pops up in the real world. But there’s no stretching or squinting necessary with this one. [Kerry Scharfglass] has built
a functioning Drummer’s Badge
from the foundational Sci-Fi novel
The Diamond Age
.
Th... | 12 | 6 | [
{
"comment_id": "3771785",
"author": "Alexander Wikström",
"timestamp": "2017-07-15T08:13:25",
"content": "It seems as though the packing of these boards could have been more effective and reduced the over all need for materials.I at least don’t see why they couldn’t have stacked them better, it see... | 1,760,374,756.996899 | ||
https://hackaday.com/2017/07/14/fidget-spinners-put-the-s-in-steam-education/ | Fidget Spinners Put The ‘S’ In STEAM Education | Brian Benchoff | [
"3d Printer hacks"
] | [
"centrifuge",
"fidget spinners",
"lab centrifuge"
] | Centrifuges are vital to the study of medicine, chemistry, and biology. They’re vital tools to separate the wheat from the chaff figuratively, and DNA from saliva literally.
Now, they’re fidget spinners
. [Matlek] designed a fidget spinner that also functions as a simple lab centrifuge.
The centrifuge was designed in F... | 55 | 18 | [
{
"comment_id": "3770608",
"author": "Somun",
"timestamp": "2017-07-14T20:07:32",
"content": "Please, HaD commenters, resist the urge. Let’s move on.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3770617",
"author": "tomas316",
"timestamp": ... | 1,760,374,756.789197 | ||
https://hackaday.com/2017/07/14/hackaday-prize-entry-open-narrowband-rf-transceiver/ | Hackaday Prize Entry: Open Narrowband RF Transceiver | Jenny List | [
"Radio Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Hackaday Prize",
"radio",
"RF",
"transceiver"
] | We have so many options when we wish to add wireless control to our devices, as technology has delivered a stream of inexpensive devices and breakout boards for our experimentation. A few dollars will secure you all your wireless needs, it seems almost whatever your chosen frequency or protocol. There is a problem with... | 5 | 3 | [
{
"comment_id": "3770722",
"author": "Truth",
"timestamp": "2017-07-14T20:29:27",
"content": "If you were to sum up in a few lines what the advantage of this was over a Yardstick One, what would it be.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3771353",... | 1,760,374,756.264046 | ||
https://hackaday.com/2017/07/14/fabricate-your-own-tabletop-gaming-props/ | Fabricate Your Own Tabletop Gaming Props | John Baichtal | [
"cnc hacks",
"Featured",
"Skills"
] | [
"gaming",
"Laser cutting",
"RPGs"
] | Delve into the mysterious world of tabletop roleplaying games. Warhammer Fantasy Roleplay, Shadowrun, Pathfinder, Ars Magica, Vampire, whatever gets your dice rollin’ — metaphorically in the case of a diceless system. This might very well be your daddy’s D&D. If you’re not a gamer, you’re certainly familiar with the co... | 13 | 8 | [
{
"comment_id": "3770068",
"author": "Alphatek",
"timestamp": "2017-07-14T17:49:15",
"content": "“the temptation is to apply the same level of competence to our hobbies that we would apply to our jobs. ”Ime, that means most people would bodge something barely acceptable by a primary school art class... | 1,760,374,756.323434 | ||
https://hackaday.com/2017/07/14/a-3d-scanner-that-archimedes-could-get-behind/ | A 3D Scanner That Archimedes Could Get Behind | Dan Maloney | [
"Misc Hacks"
] | [
"3d scanner",
"archimedes",
"dipping",
"displacement",
"level sensor",
"volumetric"
] | 3D-scanning seems like a straightforward process — put the subject inside a motion control gantry, bounce light off the surface, measure the reflections, and do some math to reconstruct the shape in three dimensions. But traditional 3D-scanning isn’t good for subjects with complex topologies and lots of nooks and crann... | 48 | 15 | [
{
"comment_id": "3769574",
"author": "Hassi",
"timestamp": "2017-07-14T15:44:48",
"content": "Wow!Could one speed things up rotating the object and by that only dipping it once?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3769594",
"author": "Vale... | 1,760,374,756.509141 | ||
https://hackaday.com/2017/07/14/books-you-should-read-the-bridge/ | Books You Should Read: The Bridge | Adam Fabio | [
"Hackaday Columns",
"Original Art",
"Reviews"
] | [
"book review",
"books you should read",
"fiction",
"generation ship",
"review",
"sci-fi"
] | A few weeks ago, Amazon’s crack marketing AI decided to recommend a few books for me. That AI must be getting better because instead of the latest special-edition Twilight books, I was greeted with this:
“The asteroid was called the Hand of God when it hit.”
That’s the first sentence of
The Bridge
, a new Sci-Fi book b... | 95 | 20 | [
{
"comment_id": "3769330",
"author": "Rogan Dawes",
"timestamp": "2017-07-14T14:11:53",
"content": "Saw it on Writing Prompts a few weeks ago, and bought the ebook. I thought it was well written, but agree that it ended a bit abruptly. I’ll probably get the sequel when it becomes available, if I see... | 1,760,374,756.642884 | ||
https://hackaday.com/2017/07/14/a-neural-network-can-now-be-your-writing-assistant/ | A Neural Network Can Now Be Your Writing Assistant | Cameron Coward | [
"Misc Hacks"
] | [
"ai",
"autocomplete",
"neural network",
"writing"
] | Writing is a difficult job; though, as a primarily word-based site, we may be a little biased here at Hackaday. Not only does a writer have to know the basics, like what a semicolon is and when to use one, they also need to build sentences that convey information in a manner that is pleasant to read. As many commenters... | 15 | 10 | [
{
"comment_id": "3768845",
"author": "Dave Davidson",
"timestamp": "2017-07-14T11:13:03",
"content": "https://www.youtube.com/watch?v=no_elVGGgW8",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3768886",
"author": "Alex Rossie",
"timestamp": "2017-07-14... | 1,760,374,756.699994 | ||
https://hackaday.com/2017/07/13/shed-pounds-and-inches-while-binge-watching-netflix/ | Shed Pounds And Inches While Binge Watching Netflix | Dan Maloney | [
"home entertainment hacks",
"Misc Hacks"
] | [
"arduino",
"exercise bike",
"netflix",
"pulse-width modulation"
] | Feel like breaking out of your streaming-induced vegetative state but can’t seem to break the binge-watching cycle? Maybe you’re a candidate for
this exercise bike that controls how much Netflix you watch
.
The concept behind [Roboro]’s anti-couch potato build is simple — just keep pedaling and you get to keep watching... | 33 | 12 | [
{
"comment_id": "3766333",
"author": "dustin evans (@dl_evans)",
"timestamp": "2017-07-13T15:47:48",
"content": "Yesterday, I was watching Netflix and it did that “Are you there?” thing. I was too lazy to pick up my phone and hit the play button so I just told Google Home to start the show I was wat... | 1,760,374,756.857497 | ||
https://hackaday.com/2017/07/13/automate-the-freight-the-robotic-garbage-man/ | Automate The Freight: The Robotic Garbage Man | Dan Maloney | [
"Hackaday Columns",
"Interest",
"Robots Hacks",
"Slider"
] | [
"Automate the Freight",
"autonomous",
"basura",
"garbage",
"recycling",
"rubbish",
"self-driving",
"trash"
] | When I started the
Automate the Freight series
, my argument was that long before the vaunted day when we’ll be able to kick back and read the news or play a video game while our fully autonomous car whisks us to work, economic forces will dictate that automation will have already penetrated the supply chain. There’s m... | 48 | 17 | [
{
"comment_id": "3765538",
"author": "Rog Fanther",
"timestamp": "2017-07-13T14:25:05",
"content": "“…employ squads of worders …”.Thats the point. And where will you find money to give this now-unemployed workers ? Automating things is nice, from a technical point of view.But from a practical point,... | 1,760,374,757.086267 | ||
https://hackaday.com/2017/07/13/mindstorms-morse-key-writes-to-drawbot/ | Mindstorms Morse Key Writes To Drawbot | John Baichtal | [
"Toy Hacks"
] | [
"lego",
"mindstorms",
"morse",
"morse code"
] | [Jason Allemann] built a
Mindstorms Telegraph Machine
that packs so many cool details that HaD is about to have a fit.
First off, It’s a drawbot able to write letters, a difficult feat given a lack of native stepper motors and the limited gear options for Mindstorms. Trying to draw letters with servos typically makes ... | 7 | 6 | [
{
"comment_id": "3765138",
"author": "Ren",
"timestamp": "2017-07-13T13:41:54",
"content": "The “book” needs more pages for numbers and special characters!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3767144",
"author": "ryan voots",
"t... | 1,760,374,757.18418 | ||
https://hackaday.com/2017/07/13/a-bright-idea-for-reflow-soldering/ | A Bright Idea For Reflow Soldering | Elliot Williams | [
"hardware"
] | [
"halogen",
"halogen lamp enclosure",
"ir",
"reflow",
"reflow oven",
"reflow soldering"
] | There are almost as many ways to reflow a surface-mount circuit board as there are hackers. Today, we add another method to the list. [Dasaki]
converted a halogen floodlight into an SMT oven
, and did so with all the bells and whistles. Check the video below the break.
We’ve actually
seen the low-tech version of this h... | 70 | 18 | [
{
"comment_id": "3762727",
"author": "jpa",
"timestamp": "2017-07-13T08:20:52",
"content": "Hmm, this might actually work without any added electronics at all, with just a timer. Of course not as fancy as controlled temperature, but it would be a very simple, cheap and compact reflow oven.",
"pa... | 1,760,374,757.289869 | ||
https://hackaday.com/2017/07/12/esp8266-dev-board-sports-flying-squirrel-pcb-art/ | ESP8266 Dev Board Sports Flying Squirrel PCB Art | John Baichtal | [
"Misc Hacks"
] | [
"ESP8266",
"pcb art",
"WiFi throwie"
] | [Jarrett] has a box of Nokia phone batteries and decided to use them in a project. He designed and built
WiFi throwies
— these consist of ESP8266 WiFi chips attached to custom PCBs and powered by Nokia phone batteries. The board charges LiPoly/Li-Ion batteries over USB with the help of a MCP73831 charger chip and has U... | 14 | 4 | [
{
"comment_id": "3761617",
"author": "???? ????",
"timestamp": "2017-07-13T05:28:35",
"content": "“The sugar glider is a small, omnivorous, arboreal, and nocturnal gliding possum belonging to the marsupial infraclass.” WikipediaCalling a possum a squirrel is like calling a kangaroo a jumping goat.",... | 1,760,374,757.347344 | ||
https://hackaday.com/2017/07/12/no-solder-breadboarding-for-smd-leds/ | No-Solder Breadboarding For SMD LEDs | Lewin Day | [
"LED Hacks"
] | [
"breadboard",
"led",
"smd"
] | Breadboarding is a great way to get started with electronics, and with the wide availability of those little wire jumpers, it’s never been easier – until you hit roadblocks due to poor connections and parasitic capacitance futzing with your signals. However, in today’s current climate, the latest and greatest modules a... | 19 | 5 | [
{
"comment_id": "3760554",
"author": "Matt",
"timestamp": "2017-07-13T03:09:36",
"content": "This looks like a great way to check polarity and “is it broken?”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3761674",
"author": "philosiraptor117",
"time... | 1,760,374,757.971364 | ||
https://hackaday.com/2017/07/12/laser-cutting-orreries/ | Laser Cutting Orreries | Brian Benchoff | [
"cnc hacks"
] | [
"laser",
"orrery",
"tellurion"
] | An orrery is a clockwork model of the solar system, demonstrating the machinations of the planets traveling around the sun in a sublime pattern of epicycles. A tellurion is a subset of the orrery, showing the rotation of the Earth around the sun, and the orbit of the moon around the Earth. [HuidongT]
created his own te... | 13 | 7 | [
{
"comment_id": "3760207",
"author": "olduino",
"timestamp": "2017-07-12T23:47:18",
"content": "whoah, that’s a lot of gears! The wobble is distracting but i’ve watched it a few times to see the phases of the moon and the seasons change. I can see myself doing this with half spheres and no automati... | 1,760,374,757.69611 | ||
https://hackaday.com/2017/07/12/emmc-to-sd-hack-rescues-data-from-a-waterlogged-phone/ | EMMC To SD Hack Rescues Data From A Waterlogged Phone | Adam Fabio | [
"Cellphone Hacks"
] | [
"data recovery",
"emmc",
"flash",
"recovery",
"rescue",
"smartphone"
] | How do I get the data off this destroyed phone? It’s a question many of us have had to ponder – either ourselves or for friends or family. The easy answer is either spend a mint for a recovery service or consider it lost forever. [Trochilidae] didn’t accept either of those options,
so he broke out the soldering iron a... | 59 | 18 | [
{
"comment_id": "3759626",
"author": "Ren",
"timestamp": "2017-07-12T20:04:31",
"content": "Good work!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3759657",
"author": "Ren",
"timestamp": "2017-07-12T20:12:13",
"content": "Maybe a f... | 1,760,374,757.835938 | ||
https://hackaday.com/2017/07/12/hackaday-prize-entry-one-handed-no-look-keying/ | Hackaday Prize Entry: One-Handed, No-Look Keying | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"bluetooth",
"haptic feedback",
"keyboard"
] | Chorded keysets can be found all over. For instance, Braille writers and court stenographers both use them. These chorded keyboards create each letter by pressing a combination of keys rather just one, making for much smaller keyboards [Christine] got the idea to create wearable rig that uses an accelerometer and vibe ... | 3 | 1 | [
{
"comment_id": "3759484",
"author": "BrightBlueJim",
"timestamp": "2017-07-12T19:05:47",
"content": "Nothing says “geek girl” like a powers-of-two sequence in black ink over pink nail polish.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3759857",
... | 1,760,374,757.528053 | ||
https://hackaday.com/2017/07/12/game-like-it-is-1983/ | Game Like It Is 1983 | Al Williams | [
"Retrotechtacular"
] | [
"as/400",
"ibm",
"ibm i",
"mainframe",
"midrange",
"retrocomputing",
"RPG",
"system 3",
"system 32",
"system 34",
"system 36"
] | The first computer I ever physically saw — I think — was an IBM System/3. You might not remember them. They were business computers for businesses that couldn’t justify a big mainframe. They were “midrange.” Nevermind that the thing probably had the memory and processing speed of the CPU inside my mouse. Time progresse... | 33 | 10 | [
{
"comment_id": "3759421",
"author": "Ale",
"timestamp": "2017-07-12T18:22:48",
"content": "“This won’t be instant “…The coffee is instant, “be” is instantaneous…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3759423",
"author": "p",
"timest... | 1,760,374,757.912352 | ||
https://hackaday.com/2017/07/12/friday-hack-chat-badgelife/ | Friday Hack Chat: BadgeLife | Brian Benchoff | [
"Hackaday Columns"
] | [
"AND!XOR",
"badge",
"badgelife",
"DEF CON",
"electronic conference badge"
] | For the last few years at DEF CON, we’ve seen the emergence of an entire community of badge creators. These aren’t official badges — good news, since the official DEF CON badge will probably be an unpuzzling piece of laser cut acrylic this year. Lucky for us this is the biggest year yet for independent electronic badge... | 2 | 1 | [
{
"comment_id": "3759259",
"author": "Ren",
"timestamp": "2017-07-12T16:04:23",
"content": "A lawyer and hacker in the same body?Is that a form of schizophrenia?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3767198",
"author": "Loser",
"... | 1,760,374,757.738146 | ||
https://hackaday.com/2017/07/12/jpeg-decoding-arduino-style/ | JPEG Decoding, Arduino Style | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"camera",
"JPEG",
"jpeg decoding"
] | When you think of image processing, you probably don’t think of the Arduino. [Jan Gromes] did, though. Using a camera and an Arduino Mega, [Jan] was able to decode input from an Arduino-connected camera into
raw image data
. We aren’t sure about [Jan’s] use case, but we can think of lots of reasons you might want to kn... | 32 | 10 | [
{
"comment_id": "3759225",
"author": "ziggurat29",
"timestamp": "2017-07-12T15:21:04",
"content": "I like the idea of being able to get to the decompressed image data for processing reasons, but wouldn’t forward error correction be a better approach to the lossy channel than streaming decompressed d... | 1,760,374,758.044358 | ||
https://hackaday.com/2017/07/12/places-to-visit-electric-mountain/ | Places To Visit: Electric Mountain | Jenny List | [
"Reviews",
"Slider"
] | [
"Dinorwig",
"hydroelectric",
"power generation",
"power station",
"pumped storage"
] | The experience of being a teenager leaves a host of memories, of social awkwardness in the difficult process of not quite being a child any more, of tedious school days, and of team sports seemingly enjoyed only by the few. Wherever in the world you grew up will have lent a particular flavour to your recollections of t... | 62 | 24 | [
{
"comment_id": "3759173",
"author": "Gregg Bond (@cabe_bedlam)",
"timestamp": "2017-07-12T14:09:47",
"content": "This place holds some particularly interesting personal memories for me. Never did get a tour of the mountain either!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,758.151412 | ||
https://hackaday.com/2017/07/12/hands-on-new-andxor-unofficial-def-con-badge/ | Hands-On: New AND!XOR Unofficial DEF CON Badge | Mike Szczys | [
"cons"
] | [
"AND!XOR",
"ARM Cortex M4F",
"bender",
"bluetooth",
"botnet",
"DEF CON",
"defcon 25",
"hardware badge",
"mesh network",
"Rigado"
] | In just two weeks, we’ll be flooding into the casinos of Las Vegas for DEF CON. By far our favorite part is the unofficial hardware badges which make their way to the con each year. The AND!XOR team has put together an incredible offering this year with what I’m calling the “
Bender on a Bender
” badge. They sent us tw... | 11 | 2 | [
{
"comment_id": "3757412",
"author": "Mike",
"timestamp": "2017-07-12T12:16:26",
"content": "This badge looks a lot like one of the iconic images from “Fear and Loathing in Las Vegas.”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3759407",
"author"... | 1,760,374,758.212883 | ||
https://hackaday.com/2017/07/11/cosmac-elf-calculator-gets-new-firmware/ | COSMAC Elf Calculator Gets New Firmware | Al Williams | [
"classic hacks",
"Microcontrollers"
] | [
"1802",
"1805",
"boyd calculator",
"cosmac",
"cosmac elf",
"RCA",
"RCA 1802",
"rca 1805"
] | Everyone remembers their first. Their first CPU, that is. For many of us, it was the RCA 1802 thanks to the COSMAC Elf articles that ran in Popular Electronics. The later versions of the chip family were much better but were never as popular, but the 1805 did find its way into a printing calculator for dimensions from ... | 18 | 10 | [
{
"comment_id": "3743129",
"author": "Tucson Tom",
"timestamp": "2017-07-11T16:12:47",
"content": "My first cpu was the CDC “Cyber” 6400. 60 bit words, no byte addressing. 15 and 30 bit instructions, punch cards handed across the counter. It was a big day when I actually got past the counter and r... | 1,760,374,758.268282 | ||
https://hackaday.com/2017/07/11/bicycling-in-space/ | Bicycle Racing In Space Could Be A Thing | Steven Dufresne | [
"classic hacks",
"Engineering",
"Featured",
"Fiction",
"Original Art",
"Slider"
] | [
"bicycle",
"ion",
"ion propulsion",
"space",
"spaceflight",
"wimshurst",
"wimshurst machine"
] | It’s 2100 AD, and hackers and normals live together in mile-long habitats in the Earth-Moon system. The habitat is spun up so that the gravity inside is that of Earth, and for exercise, the normals cycle around on bike paths. But the hackers do their cycling outside, in the vacuum of space.
How so? With ion thrusters, ... | 100 | 25 | [
{
"comment_id": "3742665",
"author": "Steven-X",
"timestamp": "2017-07-11T14:22:36",
"content": "I’m just mad that space colonies got bumped from the 1980’s & 1990’s to ~2100.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3742670",
"author": "Martin",
... | 1,760,374,758.422532 | ||
https://hackaday.com/2017/07/11/automating-plant-care/ | Automating Plant Care | John Baichtal | [
"Raspberry Pi"
] | [
"arduino mega",
"horticulture",
"raspberry pi"
] | [Daniyal]’s goal is to build an
automated garden
that allows him to grow plants in any environment he chooses. He’s got a good start with this rig, which is controlled by a Pi Zero connected via serial to an Arduino Mega clone, which in turn controls a bank of relays and sensors.
Monitoring the environment is a temper... | 15 | 7 | [
{
"comment_id": "3742368",
"author": "Phrewfuf",
"timestamp": "2017-07-11T11:14:01",
"content": "The cress.space (<-that's a website) project tries to achieve the same.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3742400",
"author": "ameyring",
"tim... | 1,760,374,758.673923 | ||
https://hackaday.com/2017/07/11/the-smart-pen/ | The Smart Pen | Steven Dufresne | [
"ATtiny Hacks"
] | [
"attiny88",
"pen"
] | “Ugh. You mean I have to press down on the pen’s button to open it? Gross.” In this day-and-age when we can swipe on our phones and do voice recognition, there seems no reason we should have to press a button. How antiquated. So [Marek Baczynski]
modernized his pen for swiping and voice control
. It’s also sure to get ... | 22 | 9 | [
{
"comment_id": "3742261",
"author": "Nitpicker Smartyass",
"timestamp": "2017-07-11T08:24:49",
"content": "I don’t understand this. Is he really writing HIMSELF? Doesn’t have an app for that?I think he should ductape the pen to a 3d-printer head so that he can have an app issue commands to write on... | 1,760,374,758.477305 | ||
https://hackaday.com/2017/07/10/old-rabbit-ears-optimized-for-weather-satellite-downlink/ | Old Rabbit Ears Optimized For Weather Satellite Downlink | Dan Maloney | [
"Misc Hacks",
"Radio Hacks"
] | [
"dipole",
"image",
"NOAA 19",
"RTL-SDR",
"satellite",
"sdr",
"v-dipole",
"weather"
] | Communicating with a satellite seems like something that should take a lot of equipment. A fancy antenna and racks full of receivers, filters, and amplifiers would seem to be the entry-level suite of gear. But
listening to a weather satellite with an old pair of rabbit ears and an SDR dongle?
That’s a thing too.
There ... | 10 | 6 | [
{
"comment_id": "3742159",
"author": "RoGeorge",
"timestamp": "2017-07-11T05:10:41",
"content": "Please fix the typos. It’s ‘Wabbit’, not ‘Rabbit’!:o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3742240",
"author": "Elliot Williams",
"time... | 1,760,374,758.525295 | ||
https://hackaday.com/2017/07/10/def-con-badgelife-blinky-bling/ | DEF CON BadgeLife: Blinky Bling | Brian Benchoff | [
"cons"
] | [
"badge",
"badgelife",
"DEF CON",
"defcon 25",
"electronic conference badge"
] | This is the biggest year yet for unofficial electronic conference badges. We’re calling it the year of Badgelife, and for the next few weeks, we’re going to be taking a look at the unofficial conference badges being deployed at this year’s DEF CON.
[Mr Blinky Bling] a.k.a. [Benn Hibben] has created his own badge for th... | 6 | 3 | [
{
"comment_id": "3742071",
"author": "GrowlerBoy",
"timestamp": "2017-07-11T02:26:33",
"content": "Neat! Arduino, a kindergarten programming toy that has been successfully ascending into the degrading hardware hackers’ world and Defcon, a conference that has bren steadily plummeting to become a gath... | 1,760,374,758.719661 | ||
https://hackaday.com/2017/07/10/building-a-smart-airsoft-gun-with-open-source-hardware/ | Building A Smart Airsoft Gun With Open Source Hardware | John Baichtal | [
"Toy Hacks"
] | [
"airsoft gun"
] | [matt8588] designed a
smartgun rig for his Airsoft shotgun
(YouTube, embedded below). He has a Rasperry Pi 3 mounted inside a PEQ box connected to an infrared camera with an IR tac light helping with illumination. A series of buttons control a crosshair pattern superimposed on the camera image, which is displayed on a ... | 10 | 5 | [
{
"comment_id": "3741833",
"author": "andrey",
"timestamp": "2017-07-10T23:22:22",
"content": "Is there more info on the project? None of the videos seem to explain much.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3741886",
"author": "Matt Desmar... | 1,760,374,758.768906 | ||
https://hackaday.com/2017/07/12/making-synths-out-of-audio-cassettes/ | Making Synths Out Of Audio Cassettes | John Baichtal | [
"ATtiny Hacks"
] | [
"attiny",
"audio cassette",
"synth"
] | 8bit Mixtapes are simple
Arduino-based sound and beat generators
based on ATtiny 84s and 85s and designed fit inside old audio cassettes, or at least be about that size. Founded by [Dusjagr], [Ucok] and [Lyok], and including participants from around the globe, 8bit Mixtapes are small synthesizers that play
one-line alg... | 16 | 8 | [
{
"comment_id": "3753672",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-07-12T08:48:50",
"content": "Now let’s see one that actually plays in a cassette player. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3758952",
"author": "Ren",
... | 1,760,374,758.82083 | ||
https://hackaday.com/2017/07/11/tinkercad-does-arduino/ | Tinkercad Does Arduino | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"autodesk",
"debugger",
"simulator",
"tinkercad"
] | If you’ve done 3D printing, you’ve probably at least heard of Tinkercad. This popular CAD package runs in your browser and was rescued from oblivion by Autodesk a few years ago. [Chuck] recently did a video about a new Tinkercad feature:
building and simulating virtual Arduino circuits
. You can watch it below.
There a... | 12 | 7 | [
{
"comment_id": "3755801",
"author": "Doug Leppard",
"timestamp": "2017-07-12T10:45:28",
"content": "Oh wow I just started using tinkercad did not notice it had that feature. thanks will explore more.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3759238",... | 1,760,374,758.870585 | ||
https://hackaday.com/2017/07/11/digitool-helps-debugging/ | Digitool Helps Debugging | Al Williams | [
"Microcontrollers"
] | [
"lcd",
"logic analyzer",
"microchip",
"pic"
] | Logic analyzers used to be large boxes full of high-speed logic and a display monitor. Today, they are more likely to be a small box with a USB port that feeds data to a PC application. [Juan Antonio Rubia Mena] wanted something more self-contained, so he built
Digitool
. Built around a PIC18F2525, the device can measu... | 9 | 5 | [
{
"comment_id": "3749529",
"author": "reggy",
"timestamp": "2017-07-12T02:52:43",
"content": "Wow, a whopping 10 Mhz? If I ever get my original IBM PC off the shelf and need to do any debugging that’s the tool with room to spare!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,758.95887 | ||
https://hackaday.com/2017/07/11/robot-do-my-bidding/ | Robot: Do My Bidding! | Al Williams | [
"Robots Hacks",
"Wireless Hacks"
] | [
"bluetooth",
"hc05",
"robot",
"voice command",
"voice recognition"
] | Remote control robots are nothing new. Using Bluetooth isn’t all that unusual, either. What [SayantanM4] did was make
a Bluetooth robot that accepts voice commands
via his phone. The robot itself isn’t very remarkable. An Arduino and an HC05 module make up most of the electronics. A standard motor driver runs the two w... | 6 | 5 | [
{
"comment_id": "3748996",
"author": "Gravis",
"timestamp": "2017-07-11T23:50:49",
"content": "But will it pass the butter? ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3759359",
"author": "Mike",
"timestamp": "2017-07-12T17:37:45",
... | 1,760,374,758.910479 | ||
https://hackaday.com/2017/07/11/rescuing-a-proprietary-battery-pack-with-a-cell-from-a-camera/ | Rescuing A Proprietary Battery Pack With A Cell From A Camera | Jenny List | [
"Radio Hacks"
] | [
"Alinco",
"battery",
"battery pack",
"Lithium-ion battery"
] | If you have an older handheld battery-powered device, you may be fighting a diminishing battery capacity as its lithium-ion cells reach the end of their life. And if you are like [Foxx D’Gamma], whose device is an Alinco DJ-C7 handheld transceiver, you face the complete lack of availability of replacement battery packs... | 9 | 3 | [
{
"comment_id": "3745794",
"author": "Corrosive",
"timestamp": "2017-07-11T20:14:45",
"content": "Foxx should be spelled with two x’s in his name.Thanks for posting!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3749430",
"author": "colinstu",
... | 1,760,374,759.005502 | ||
https://hackaday.com/2017/07/11/hackaday-prize-entry-pcbs-on-demand-with-etchr/ | Hackaday Prize Entry: PCBs On Demand With Etchr | Donald Papp | [
"The Hackaday Prize"
] | [
"automation",
"desktop",
"pcb",
"pcb printer",
"silkscreen",
"solder mask",
"soldermask",
"the hackaday prize"
] | The ambitious
etchr – the PCB Printer
is just a concept at the moment, but it’s not often we see someone trying to tackle desktop PCB production in a new way. Creator [Jonathan Beri] is keenly aware that when it comes to creating electronics, the bottleneck for most workflows is the PCB itself. Services like OSH Park m... | 44 | 14 | [
{
"comment_id": "3744343",
"author": "tomas316",
"timestamp": "2017-07-11T18:37:12",
"content": "“S.T.E.A.M.” seriously?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3744490",
"author": "Gravis",
"timestamp": "2017-07-11T18:49:25",
... | 1,760,374,759.114944 | ||
https://hackaday.com/2017/07/11/flying-defibrillators/ | Flying Defibrillators | Dan Maloney | [
"drone hacks",
"Featured",
"Interest",
"Medical Hacks"
] | [
"aed",
"cardiac arrest",
"CPR",
"defibrillator",
"drone",
"ems",
"heart attack",
"uav"
] | It’s a sad reality that, by and large, cardiopulmonary resuscitation (CPR) doesn’t save lives. Despite all the “you could save a life” marketing aimed at getting people certified in CPR, the instances where even the prompt application of the correct technique results in a save are vanishingly rare, and limited mostly t... | 57 | 15 | [
{
"comment_id": "3743675",
"author": "CaptMcAllister",
"timestamp": "2017-07-11T17:19:35",
"content": "Here’s the part I don’t really understand. I thought defibrillators were only good for when the heart is fibrillating – not when it is arrested (asystole). If a heart stops, I thought the only wa... | 1,760,374,759.211834 | ||
https://hackaday.com/2017/07/10/robot-solves-sudoku-on-paper/ | Robot Solves Sudoku On Paper | Al Williams | [
"Arduino Hacks",
"Raspberry Pi"
] | [
"opencv",
"robotics",
"sudoku",
"tensorflow"
] | Sudoku is a great way to pass some time, especially on a long flight. However, we don’t think the airlines will let [Sanahm] board with his
sudoku-solving robot
. The basic machine looks like a 2D plotter made with aluminum extrusion, with the addition of a Raspberry Pi and a camera. The machine can read a sudoku puzzl... | 13 | 6 | [
{
"comment_id": "3741595",
"author": "Kuro",
"timestamp": "2017-07-10T21:29:34",
"content": "Oh no! The robot is committing sudoku!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3741602",
"author": "Justin Nesselrotte",
"timestamp": "2017-07-10T21:32:... | 1,760,374,759.377136 | ||
https://hackaday.com/2017/07/10/hackaday-prize-entry-stroke-rehabilitation-through-biofeedback/ | Hackaday Prize Entry: Stroke Rehabilitation Through Biofeedback | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"accelerometer",
"biofeedback",
"biomedical"
] | Students at Purdue University’s Weldon School of Biomedical Engineering created
ExoMIND
, an Arduino-powered glove that helps a stroke victim recover by tracking the range of motion the patient experiences.
A set of 7 accelerometers in the fingers, wrist, and forearm track the range of movements the patient is experien... | 8 | 5 | [
{
"comment_id": "3741514",
"author": "Victor",
"timestamp": "2017-07-10T20:03:42",
"content": "Looks like a combination of two projects I worked on a few years back:PowerSensor (3D hand kinematics with IMU’s)https://www.youtube.com/watch?v=oNApdO-27cwhttps://www.youtube.com/watch?v=aOXpCiyN4igSCRIPT... | 1,760,374,759.443545 | ||
https://hackaday.com/2017/07/10/horns-across-america-the-att-long-lines-network/ | Horns Across America: The AT&T Long Lines Network | Dan Maloney | [
"classic hacks",
"Hackaday Columns",
"History",
"Radio Hacks",
"Slider"
] | [
"att",
"microwave",
"network",
"pots",
"telephone",
"television"
] | A bewildering amount of engineering was thrown at the various challenges presented to the United States by the end of World War II and the beginning of the Cold War. From the Interstate Highway System to the population shift from cities to suburbs, infrastructure of all types was being constructed at a rapid pace, fuel... | 84 | 38 | [
{
"comment_id": "3741401",
"author": "Antron Argaiv",
"timestamp": "2017-07-10T17:30:28",
"content": "When in university, I got a tour of one of these Long Lines sites.It was two floors underground, the top one was the civilian switch and the bottom floor was the AUTOVON switch. Yes, it had diesel ... | 1,760,374,759.644146 | ||
https://hackaday.com/2017/07/10/a-live-ecu-simulator-for-obd2-projects/ | A Live ECU Simulator For OBD2 Projects | Jenny List | [
"Arduino Hacks",
"car hacks"
] | [
"arduino",
"ecu",
"engine",
"OBD",
"OBDII"
] | If you are working with OBD2 hardware or software, it’s easy enough to access test data, simply plug into a motor vehicle with an OBD2 socket. If, however, you wish to test OBD2 software under all possible fault conditions likely to be experienced by an engine, you are faced with a problem in that it becomes difficult ... | 12 | 7 | [
{
"comment_id": "3741335",
"author": "Ostracus",
"timestamp": "2017-07-10T16:14:44",
"content": "If memory serves scantool.net has ECU simulators.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3741427",
"author": "Haddyhad",
"timestamp": "20... | 1,760,374,761.626063 | ||
https://hackaday.com/2017/07/10/hackaday-superconference-tickets-and-proposals/ | Hackaday Superconference: Tickets And Proposals | Mike Szczys | [
"cons",
"Featured",
"Slider"
] | [
"2017 Hackaday Superconference",
"call for proposals",
"Hackaday SuperConference",
"Supercon",
"Superconference",
"tickets"
] | We’re thrilled to announce
Supercon tickets are now available
. The 2017 Hackaday Superconference is November 11th and 12th in Pasadena, California.
This is the ultimate hardware conference. Hackers, designers, and engineers from all over the world converge — from the greenest beginners to those who have made history w... | 21 | 12 | [
{
"comment_id": "3741269",
"author": "josh",
"timestamp": "2017-07-10T14:36:41",
"content": "Had a great time last year and I have been waiting for the announcement for this years Supercon",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3741290",
"aut... | 1,760,374,761.411105 | ||
https://hackaday.com/2017/07/10/your-puzzles-done-when-the-electronics-says-so/ | Your Puzzle’s Done When The Electronics Says So | Steven Dufresne | [
"Arduino Hacks"
] | [
"game timer",
"jigsaw puzzle",
"puzzle",
"TFT display",
"timer"
] | We can race against the clock when assembling jigsaw puzzles online but what about competing against each other in the real world? [HomeMadeGarbage] came up with the simplest of solutions with his
jigsaw puzzle timer
that stops only when the puzzle’s completely assembled.
Copper strip on back of puzzle
His simple solut... | 7 | 2 | [
{
"comment_id": "3741173",
"author": "Unferium",
"timestamp": "2017-07-10T12:37:02",
"content": "Makes it sooooooooo much harder to do with that added copper tape!!!!!!LOLOLOLOLOLOLOLOLOLOLOK trolling aside:Nice concept and idea in a well constructed… IMHO: Prototype.An upgrade would be using glass ... | 1,760,374,761.457832 | ||
https://hackaday.com/2017/07/10/dual-trace-scope-1939-style/ | Dual Trace Scope 1939 Style | Al Williams | [
"Tool Hacks"
] | [
"antique",
"dual trace",
"oscilloscope",
"retro",
"sylvania",
"vintage"
] | If you buy a serious scope these days, it is a good bet it will have at least two channels. There is a lot of value to being able to see two signals in relation to one another at one time. Even though the dual-trace oscilloscope goes back to 1938, they were uncommon and expensive for many years. [Mr. Carlson] found a d... | 24 | 9 | [
{
"comment_id": "3741100",
"author": "Gravis",
"timestamp": "2017-07-10T11:05:51",
"content": "Working with antiquated technology? Humans are weird. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3741113",
"author": "thatso",
"timestamp": "2017-07-... | 1,760,374,761.743308 | ||
https://hackaday.com/2017/07/09/firework-shows-the-vintage-atari-way/ | Firework Shows, The Vintage Atari Way | Jenny List | [
"classic hacks"
] | [
"atari",
"atari 800xl",
"atati st",
"fireworks",
"pyrotechnics"
] | In the summer of 1987, the Atari magazine
ST-Log
caried a piece entitled “Atari Sets Off Fireworks!”, a profile of the use of Atari computers in professional firework displays by Astro Pyrotechnics, a now-defunct California company. Antic podcast host [Kevin Savetz] tracked down the fireworks expert interviewed in 1987... | 6 | 3 | [
{
"comment_id": "3740057",
"author": "Greenaum",
"timestamp": "2017-07-09T19:31:35",
"content": "The 8-bit Ataris were nice, in that the joystick ports worked of some sort of PIA, whatever the appropriate 6502 one is called. With the right POKEs (always POKEs, because like Commodore they didn’t both... | 1,760,374,761.786604 | ||
https://hackaday.com/2017/07/08/building-a-better-baby-bottle-boiler/ | Building A Better Baby Bottle Boiler | Rich Hawkes | [
"hardware",
"home hacks",
"Microcontrollers"
] | [
"attiny44",
"frother",
"milk",
"Nespresso Aeroccino",
"ntc",
"temperature",
"thermistor"
] | [Sebastian Foerster] hasn’t been at his blog in a while. He and his wife just had twins, so he’s been busy standing waiting for formula or milk to warm up. Being a technical kind of guy, he took a look at the tools currently on the market to do this, analyzed them, and decided instead to
do it himself
.
[Sebastian] loo... | 34 | 12 | [
{
"comment_id": "3738595",
"author": "???? ????",
"timestamp": "2017-07-09T05:22:27",
"content": "Pro tip: from a father of many children who has lost count of the number of bottles he has made up.Use a microwave oven with the same container and amount of water and it will come out exactly the right... | 1,760,374,761.858521 | ||
https://hackaday.com/2017/07/08/tweet-the-power-of-lightning/ | Tweet The Power Of Lightning! | James Hobson | [
"Raspberry Pi"
] | [
"AMS",
"detector",
"lightning",
"python",
"sensor",
"storm",
"tweet",
"twitter",
"weather"
] | How quickly would you say yes to being granted the power to control lightning? Ok, since that has hitherto been impossible, what about the lesser power of detecting and tweeting any nearby
lightning strikes
?
Tingling at the possibility of connecting with lightning’s awesome power in one shape or another, [Hexalyse] co... | 15 | 7 | [
{
"comment_id": "3737684",
"author": "???? ????",
"timestamp": "2017-07-09T02:52:00",
"content": "For some great theory on lightning detection, and location see the following,http://www.atmo.arizona.edu/students/courselinks/spring13/atmo589/ATMO489_online/CONTENTS.htmlIn particular,Lightning Detecti... | 1,760,374,761.679551 | ||
https://hackaday.com/2017/07/08/6502-retrocomputing-goes-to-the-cloud/ | 6502 Retrocomputing Goes To The Cloud | Al Williams | [
"internet hacks",
"Microcontrollers"
] | [
"6502",
"amazon",
"amazon lambda",
"amazon web service",
"AWS",
"serverless computing"
] | In what may be the strangest retrocomputing project we’ve seen lately, you can now access a
virtual 6502
via Amazon’s Lambda computing service. We don’t mean there’s a web page with a simulated CPU on it. That’s old hat. This is a web service that takes a block of memory, executes 6502 code that it finds in it, and the... | 40 | 16 | [
{
"comment_id": "3735417",
"author": "safety-first",
"timestamp": "2017-07-08T23:06:33",
"content": "I was expecting a service where you can link to an ‘actual’ 6502, not some pale imitation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3735454",
"... | 1,760,374,762.041584 | ||
https://hackaday.com/2017/07/08/hackaday-prize-entry-open-source-iot-dosimeter/ | Best Product Entry: Open Source Internet Of Dosimeter | Jack Laidlaw | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Dosimeter",
"Geiger tube",
"IoT",
"radiation",
"radiation detector"
] | [Radu Motisan] Has entered a cool project into the Best Product portion of this year’s Hackaday Prize. It’s called an
Open Source IoT Dosimeter
. It has a Geiger tube for detecting radiation levels along with Internet connectivity and a host of other goodies.
Dubbed the KIT1, this IoT dosimeter can be used as a portabl... | 24 | 5 | [
{
"comment_id": "3735239",
"author": "Victor Aprea (@vicatcu)",
"timestamp": "2017-07-08T20:16:51",
"content": "Neat project! I’m interested in the claim that “this circuit will provide excellent performance comparable to commercial detectors or better.” How does one calibrate a radiation measuring ... | 1,760,374,761.918184 | ||
https://hackaday.com/2017/07/08/old-chart-recorder-becomes-single-pixel-scanner/ | Old Chart Recorder Becomes Single-Pixel Scanner | Dan Maloney | [
"classic hacks",
"hardware"
] | [
"H-P 7044A",
"raster",
"RCB",
"scanner",
"single pixel",
"TCS34725"
] | With so many ways to capture images from paper, do we really need another one? Especially one that takes 15 minutes to capture a 128×128 pixel image? Probably not, but building
a single-pixel RGB scanner
is pretty instructive, and good clean fun to boot.
We have to admit that when [Kerry Wong] scored
an ancient Hewlett... | 7 | 7 | [
{
"comment_id": "3735092",
"author": "not a space lizard",
"timestamp": "2017-07-08T17:16:32",
"content": "I made something like this a very long time ago, but it was black and white and did not record digitally. It just moved back and forth, then down a row to get through a page. It dropped a pen o... | 1,760,374,761.962976 | ||
https://hackaday.com/2017/07/08/dropping-zip-bombs-on-vulnerability-scanners/ | Dropping Zip Bombs On Vulnerability Scanners | Elliot Williams | [
"Security Hacks",
"Slider"
] | [
"honeypot",
"security",
"zip bomb"
] | If you’ve ever looked at the server logs of a computer that lives full-time on the Internet, you know it’s a rough world out there. You’ll see hundreds of attempts per day to break in to your one random little box. Are you going to take that sitting down?
Christian Haschek didn’t
.
Instead of simply banning IPs or clos... | 117 | 30 | [
{
"comment_id": "3734928",
"author": "Jason Belec",
"timestamp": "2017-07-08T14:03:37",
"content": "This was worth a good chuckle. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3734945",
"author": "Ostracus",
"timestamp": "2017-07-08T14:34:17",
... | 1,760,374,762.445158 | ||
https://hackaday.com/2017/07/09/at-last-almost-a-cellphone-with-no-batteries/ | At Last, (Almost) A Cellphone With No Batteries! | Jenny List | [
"Radio Hacks"
] | [
"ambient power",
"backscatter",
"low power",
"radio"
] | If you are tired of constantly having to worry about the state of the battery in your mobile phone, then maybe help is at hand courtesy of the University of Washington. They are reporting
the first-ever battery free cell phone
, able to make calls by scavenging ambient power. An impressive achievement, and one about wh... | 52 | 13 | [
{
"comment_id": "3740811",
"author": "Karl Koscher",
"timestamp": "2017-07-10T05:05:08",
"content": "While academic paywalls are indeed problematic, the ACM is more liberal than most and allows author-prepared versions to be posted on personal websites. You can access the paper athttp://batteryfreep... | 1,760,374,762.293136 | ||
https://hackaday.com/2017/07/09/hackaday-links-july-9-2017/ | Hackaday Links: July 9, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"Autotrax",
"cnc",
"doom",
"ESP32",
"fidget spinners",
"minecraft",
"Protel",
"Romaxx",
"Tindie"
] | Doom is now running on the ESP32
. This is some work from [Sprite_tm], and the last we heard about Doom on the ESP32
is that there was a silicon bug or something
. Now we’re knee deep in the dead on a tiny WiFi and Bluetooth-enabled microcontroller.
Loading animations have a long and storied history. What originally be... | 14 | 5 | [
{
"comment_id": "3740852",
"author": "George Graves",
"timestamp": "2017-07-10T05:54:02",
"content": "Is Kickstarter the only way to watch “Easy to Learn, Hard to Master”? No Amazon, iTunes, or anything else? Can’t seem to find it anywhere.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,762.535806 | ||
https://hackaday.com/2017/07/09/hacking-touch-screens-to-count-pulses/ | Hacking Touch Screens To Count Pulses | Inderpreet Singh | [
"Misc Hacks",
"Multitouch Hacks"
] | [
"capacitive touch",
"display",
"heart rate",
"monitor",
"screen",
"sensor"
] | Heart rate sensors available for DIY use employ photoplethysmography which illuminates the skin and measures changes in light absorption. These sensors are cheap, however, the circuitry required to interface them to other devices is not. [Petteri Hyvärinen] is successfully investigating
the use of capacitive touchscree... | 5 | 3 | [
{
"comment_id": "3740511",
"author": "???? ????",
"timestamp": "2017-07-10T02:50:26",
"content": "I like this sort of hack, where somebody peels back a few technology layers from a commodity solution and then branches off the functionality in another direction.",
"parent_id": null,
"depth": ... | 1,760,374,762.484108 | ||
https://hackaday.com/2017/07/09/hackaday-prize-entry-watching-out-for-forest-fires/ | Hackaday Prize Entry: Watching Out For Forest Fires | John Baichtal | [
"The Hackaday Prize"
] | [
"fire fighter",
"flame",
"sensor"
] | Hackaday Prize entrant [Danie Copnradie] lives in South Africa where wildfires are a major problem. Every year, humans and animals are killed, crops are destroyed, and property is lost. The FireBreakNet project aims to
deploy wireless environmental sensors
that alert farmers, park rangers, and emergency personnel when ... | 27 | 9 | [
{
"comment_id": "3740146",
"author": "Ostracus",
"timestamp": "2017-07-09T20:36:47",
"content": "Think a solar drone with 360 sensors would work?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3740161",
"author": "notarealemail",
"timestamp":... | 1,760,374,762.902933 | ||
https://hackaday.com/2017/07/09/making-a-small-scale-brewery-with-a-raspberry-pi-and-python/ | Making A Small-Scale Brewery With A Raspberry Pi And Python | Jenny List | [
"Beer Hacks",
"Raspberry Pi"
] | [
"beer",
"brewing",
"craftbeerpi",
"raspberry pi"
] | No doubt many Hackaday readers will have tried their hand at home brewing. It’s easy enough, you can start with a can of hopped malt extract and a bag of sugar in a large bucket in your kitchen and achieve a decent enough result. Of course, once you get the taste it’s a field of infinite possibilities, so many enthusia... | 22 | 6 | [
{
"comment_id": "3739914",
"author": "safety-first",
"timestamp": "2017-07-09T18:18:26",
"content": "Finally, something that brings together my 3 favourite things. The holy trinity. RESTECP.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3741051",
"a... | 1,760,374,762.73048 | ||
https://hackaday.com/2017/07/09/ism-communications-for-arduino/ | ISM Communications For Arduino | Al Williams | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"ISM",
"ISM band",
"ISM radio",
"LoRa",
"sx1278",
"wireless"
] | If you want to wirelessly communicate between devices, WiFi and Bluetooth are obvious choices. But there’s also the ISM (industrial, scientific, and medical) band that you use. There are inexpensive modules like the SX1278 that can handle this for you using LoRa modulation, but they haven’t been handy to use with an Ar... | 14 | 6 | [
{
"comment_id": "3739032",
"author": "Clay",
"timestamp": "2017-07-09T14:20:48",
"content": "Eep, the first link in the post gives a 404.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3739362",
"author": "Mike R",
"timestamp": "2017-07-09T15... | 1,760,374,763.087192 | ||
https://hackaday.com/2017/07/09/a-poor-mans-laser-cnc-engraver/ | A Poor-Man’s Laser CNC Engraver | Dan Maloney | [
"cnc hacks",
"Slider",
"Solar Hacks"
] | [
"cnc",
"engraver",
"etcher",
"laser",
"lens",
"magnifying glass",
"solar"
] | What do you get when you mix the disappointment that sometimes accompanies cheap Chinese electronics with the childhood fascination of torturing insects with a magnifying glass on a sunny day? You get
a solar-powered CNC etcher
, that’s what.
We all remember the days of focussing the sun on a hapless insect, or perhaps... | 42 | 17 | [
{
"comment_id": "3738856",
"author": "ganzuul",
"timestamp": "2017-07-09T11:39:25",
"content": "Magnificent! xD",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3741782",
"author": "wilbrus",
"timestamp": "2017-07-10T23:01:15",
"content... | 1,760,374,762.978986 | ||
https://hackaday.com/2017/07/08/overhead-trolley-helps-clear-the-air-over-cnc-router/ | Overhead Trolley Helps Clear The Air Over CNC Router | Dan Maloney | [
"Tool Hacks"
] | [
"air handling",
"chips",
"CNC router",
"dust",
"dust collection",
"exhaust",
"extraction"
] | [Frank Howarth] has a shop most woodworkers would kill for, stuffed with enough tools to equip multiple hackspaces — four radial-arm saws alone! But while the CNC router in the middle of the shop, large enough to work on an entire sheet of plywood, is a gem of a machine, it was proving to be a dusty nightmare. [Frank]’... | 10 | 7 | [
{
"comment_id": "3734728",
"author": "safety-first",
"timestamp": "2017-07-08T11:07:23",
"content": "Looks really good, excellent build. I probably wouldn’t have the skills (or patience) to do anything as professional as this, but its given me the idea of doing something similar using ‘off-the-shelf... | 1,760,374,763.134417 | ||
https://hackaday.com/2017/07/08/atari-2600-in-a-game-cartridge/ | Atari 2600 In A Game Cartridge | John Baichtal | [
"Raspberry Pi"
] | [
"atari 2600",
"emulator",
"raspberry pi"
] | [PJ Evans] had a ruined game cartridge lying around, just waiting for a project. As Activision’s F-14 Tomcat game for the Atari 2600 console, it seemed ripe for use as a project enclosure of some sort. When he came across a couple of 9-pin D-sub joystick ports, he had an idea. He realized his Rasperry Pi Zero could fit... | 21 | 9 | [
{
"comment_id": "3734617",
"author": "sweetlilmre",
"timestamp": "2017-07-08T09:03:05",
"content": "Great build, nice work! Now if inly it was possible to get the damn Pi Zeros :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3734644",
"author": "RÖ... | 1,760,374,763.034187 | ||
https://hackaday.com/2017/07/07/finally-a-calculator-for-the-atomic-age/ | Finally, A Calculator For The Atomic Age! | Jenny List | [
"Solar Hacks"
] | [
"calculator",
"solar cell",
"Tritium",
"tritium battery"
] | In the 1950s, a nuclear-powered future seemed a certainty. The public had not been made aware of the dangers posed by radioactive material, any large-scale accidents involving nuclear reactors had either been hushed up or were yet to happen, and industry and governments were anxious to provide good PR to further their ... | 17 | 9 | [
{
"comment_id": "3734477",
"author": "Gravis",
"timestamp": "2017-07-08T06:16:37",
"content": "Oi! You would get more power using an amorphous solar cell in the dead of night!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3734563",
"author": "DH",
"t... | 1,760,374,763.185056 | ||
https://hackaday.com/2017/07/07/improved-game-tokens-with-laser-cutting-and-clever-design/ | Improved Game Tokens With Laser Cutting And Clever Design | Donald Papp | [
"how-to",
"Laser Hacks"
] | [
"board game",
"diy",
"game",
"game tokens",
"Laser cutting",
"laser engraving",
"Tigris & Euphrates",
"token"
] | [Martin Raynsford] is a prolific project maker, especially when it comes to using a laser cutter. These
laser-cut token counters
for the board game
Tigris & Euphrates
demonstrate some clever design, and show that some simple touches can make a big difference.
In the digital version of the game, the tokens conveniently ... | 6 | 3 | [
{
"comment_id": "3734393",
"author": "???? ????",
"timestamp": "2017-07-08T04:26:37",
"content": "I knew this was going to be Martin’s work the moment I saw the image, he does a lot of innovative projects.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "37347... | 1,760,374,763.235524 | ||
https://hackaday.com/2017/07/07/anyone-need-a-little-fuming-nitric-acid/ | Anyone Need A Little Fuming Nitric Acid? | Dan Maloney | [
"chemistry hacks"
] | [
"condensation",
"distillation",
"Haber process",
"nitric acid",
"potassium nitrate",
"RFNA",
"sulfuric acid",
"synthesis"
] | If there’s a chemical with a cooler name than “fuming nitric acid,” we can’t think of it. Nearly pure nitric acid is useful stuff, especially if you’re in the business of making rocket fuels and explosives. But the low-end nitric acid commonly available tops out at about 68% pure, so if you want the good stuff, you’ll ... | 67 | 26 | [
{
"comment_id": "3734123",
"author": "macegr",
"timestamp": "2017-07-07T23:08:59",
"content": "Gotta run that Graham condenser vertically so the condensate doesn’t pool up in the spiral and cause backpressure, and so that the nitric acid all just runs straight out instead of requiring someone to fid... | 1,760,374,763.335266 | ||
https://hackaday.com/2017/07/07/radar-controlled-speakers/ | RADAR Controlled Speakers | Lewin Day | [
"hardware"
] | [
"flip-flop",
"latch",
"radar",
"speakers",
"switch",
"toggle"
] | [Scott] had a simple problem – he was tired of leaning over his work bench to change the volume on his speakers. He desired a system that would readily allow him to switch the speakers on and off from a more comfortable distance. Not one to settle for the more conventional solutions available, [Scott] whipped up a
RADA... | 17 | 9 | [
{
"comment_id": "3733964",
"author": "mjrippe",
"timestamp": "2017-07-07T20:06:00",
"content": "This does not control the volume as stated in the first line of the article, only on/off.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3734095",
"author... | 1,760,374,763.388784 | ||
https://hackaday.com/2017/07/07/hackaday-prize-entry-wireless-weather-station-protects-crops-from-frost/ | Hackaday Prize Entry: Wireless Weather Station Protects Crops From Frost | Dan Maloney | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize"
] | It seems like you hear it every year — a late or early frost threatens some crop or another, forcing farmers to take drastic action to avoid financial ruin. But even when the weather cooperates on a large scale, microclimates can still cause big problems in small enough areas to go unnoticed until after the damage is d... | 13 | 4 | [
{
"comment_id": "3733925",
"author": "Ostracus",
"timestamp": "2017-07-07T19:14:55",
"content": "In the gallery what’s that that looks like plates stacked upon each other on the right?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3734093",
"author"... | 1,760,374,763.529377 | ||
https://hackaday.com/2017/07/07/sort-out-chemical-storage-for-your-shop/ | Sort Out Chemical Storage For Your Shop | Jenny List | [
"chemistry hacks",
"Featured",
"how-to",
"Interest",
"Original Art"
] | [
"chemicals",
"Chemistry",
"hackspaces",
"safety",
"workshops"
] | There is one constant in the world of hardware hacker’s workshops, be they a private workshop in your garage or a public hackspace, and it goes something like this:
Everybody’s a safety expert in whatever it is they are working with, right up until the accident.
In other words, it is very tempting to harbour a cavalier... | 33 | 9 | [
{
"comment_id": "3733823",
"author": "Leithoa",
"timestamp": "2017-07-07T17:18:46",
"content": "SDSs are your friends! ( No longer MSDS for some stupid reason, also the hazard scale ratings are inverted under the new system). Between SDSs and CAS numbers you can find any and all hazards for given ch... | 1,760,374,764.057079 | ||
https://hackaday.com/2017/07/07/pcb-art-becomes-lapel-pins/ | PCB Art Becomes Lapel Pins | Brian Benchoff | [
"Misc Hacks"
] | [
"lapel pin",
"pcb",
"pcb art"
] | We’re now living in the golden age of PCB art. Over the last year or so, the community has learned to manipulate silk screen, copper, and solder mask layers into amazing pieces of craftsmanship. These boards are putting the ‘A’ in STEAM,
and now we have fiberglass replacements for enamel lapel pins
.
[jglim] didn’t hav... | 17 | 5 | [
{
"comment_id": "3733805",
"author": "Internet",
"timestamp": "2017-07-07T16:51:47",
"content": "Is there a quick or economical method for smoothing the edges? They look rather sharp. Maybe just lightly sand them?https://www.youtube.com/watch?v=8f3ECgxeb4QHere is how traditional lapel pins are made,... | 1,760,374,763.599313 | ||
https://hackaday.com/2017/07/07/linux-fu-running-commands/ | Linux-Fu: Running Commands | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Skills"
] | [
"cron",
"linux",
"Linux Fu",
"task spooler"
] | One of the things that makes Linux and Unix-like systems both powerful and frustrating is that there are many ways to accomplish any particular goal. Take something simple like running a bunch of commands in sequence as an example. The obvious way is to write a shell script which offers a tremendous amount of flexibili... | 26 | 9 | [
{
"comment_id": "3733495",
"author": "Nitori",
"timestamp": "2017-07-07T14:33:53",
"content": "ts is a pretty useful command.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3733565",
"author": "RandomComment",
"timestamp": "2017-07-07T14:48:45",
"c... | 1,760,374,763.696165 | ||
https://hackaday.com/2017/07/07/def-con-badgelife-the-puffy-that-runs-linux/ | DEF CON Badgelife: The Puffy That Runs Linux | Brian Benchoff | [
"cons",
"Slider"
] | [
"badge",
"badgelife",
"BSD",
"defcon 25",
"electronic badge"
] | DEF CON is canceled again this year, and this time that statement is at least partially true.
There will be no special official badges this year
. There is no challenge or mystery embedded in the official DC badge. This is the year that unofficial badges from villages and random attendees finally supersedes the officia... | 9 | 4 | [
{
"comment_id": "3732624",
"author": "Stephen Thomas Kraus Jr",
"timestamp": "2017-07-07T11:12:35",
"content": "Oh man, I have a couple VoCores, I really really like them for embedded Python projects.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3733519",
... | 1,760,374,763.753614 | ||
https://hackaday.com/2017/07/07/tetris-on-a-soldering-iron/ | Tetris On A Soldering Iron | Elliot Williams | [
"hardware"
] | [
"diy soldering iron",
"open source soldering iron driver",
"soldering iron",
"tetris",
"ts100"
] | Our commenteers have all said good things about the open-source TS100 soldering iron pencil: things like “it solders well”. But we’ve all got soldering irons that solder well. What possible extra value does having open-source firmware on a soldering iron bring? [Joric] answered that question for us —
it can play Tetris... | 20 | 13 | [
{
"comment_id": "3731981",
"author": "nic0mac",
"timestamp": "2017-07-07T08:43:39",
"content": "But when will it play doom?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3733403",
"author": "SlowBro",
"timestamp": "2017-07-07T14:10:28",
... | 1,760,374,763.813392 | ||
https://hackaday.com/2017/07/06/gps-tracker-gets-sms-upgrade/ | GPS Tracker Gets SMS Upgrade | Bryan Cockfield | [
"gps hacks"
] | [
"arduino",
"atmega328",
"atmega328p",
"cell",
"gps",
"gsm",
"sms",
"tracker"
] | In May of 2000, then-President Bill Clinton signed a directive that would improve the accuracy of GPS for anyone. Before this switch was flipped, this ability was only available to the military. What followed was an onslaught of GPS devices most noticeable in everyday navigation systems. The large amount of new devices... | 20 | 9 | [
{
"comment_id": "3731321",
"author": "???? ????",
"timestamp": "2017-07-07T05:15:45",
"content": "SMS does not offer guaranteed timely delivery. I may be better to send data packets crafted to work with this back-end,https://github.com/owntracks/recorder",
"parent_id": null,
"depth": 1,
... | 1,760,374,763.873965 | ||
https://hackaday.com/2017/07/06/blinking-a-light-with-ping/ | Blinking A Light With Ping | Brian Benchoff | [
"internet hacks"
] | [
"555",
"Flashing Light Prize"
] | The Flashing Light Prize
is on right now, and that means all our favorite geeks and YouTubers are aspiring to what could be done with a 555. The rules are simple: turn a light bulb on and off
somehow
. [Sprite_tm] is answering the call,
and he’s blinking lightbulbs at the speed of light
.
[Sprite]’s method of blinking ... | 24 | 4 | [
{
"comment_id": "3731132",
"author": "Ql2z",
"timestamp": "2017-07-07T04:00:51",
"content": "So who is going to make a reference to big bang theory?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3731388",
"author": "Brian Benchoff",
"timesta... | 1,760,374,764.215167 | ||
https://hackaday.com/2017/07/06/wearable-breadboard/ | Wearable Breadboard | Al Williams | [
"Wearable Hacks"
] | [
"education",
"shirt",
"snap",
"t-shirt",
"tee shirt",
"wearable"
] | We all know what a short circuit is, but [Clement Zheng] and [Manasvi Lalwani] want to introduce you to the
shirt circuit
. Their goal is to help children, teachers and parents explore and learn electronics. The vehicle is a shirt with a breadboard-like pattern of conductors attaching snaps. Circuit elements reside in ... | 12 | 4 | [
{
"comment_id": "3730624",
"author": "zeon",
"timestamp": "2017-07-07T00:39:04",
"content": "Hopefully the shirt is made of cotton, rather than synthetics like polyester. I can just picture the aftermath of a circuit elements power rating being exceeded…",
"parent_id": null,
"depth": 1,
... | 1,760,374,764.106979 | ||
https://hackaday.com/2017/07/06/esp-to-wireshark/ | ESP To Wireshark | Bryan Cockfield | [
"News",
"Wireless Hacks"
] | [
"analysis",
"ESP32",
"ESP8266",
"network",
"packet",
"sniffer",
"wifi",
"wireless"
] | Everyone’s favorite packet sniffing tool, Wireshark, has been around for almost two decades now. It’s one of the most popular network analysis tools available, partially due to it being free and open source. Its popularity guaranteed that it would eventually be paired with the ESP32/8266, the rising star of the wireles... | 13 | 5 | [
{
"comment_id": "3729916",
"author": "killergeek",
"timestamp": "2017-07-06T20:08:15",
"content": "its works awesome :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3730031",
"author": "Ostracus",
"timestamp": "2017-07-06T20:44:56",
"content": "M... | 1,760,374,764.154185 | ||
https://hackaday.com/2017/07/06/hackaday-prize-entry-octo-the-robotic-walker/ | Hackaday Prize Entry: Octo, The Robotic Walker | Donald Papp | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"Jansen's linkage",
"Klann linkage",
"octo",
"octopod",
"robot",
"robot legs",
"robot platform",
"robot walker",
"robotic",
"spider",
"spider bot",
"strandbeest",
"walker"
] | Walkers like the Strandbeest are favorites due in part to their smooth design and fluid motion, but [Leandro] is going a slightly different way with
Octo, an octopodal platform for exploring rough terrain
. Octo is based on the
Klann linkage
which was developed in 1994 and intended to act as an alternative to wheels be... | 6 | 6 | [
{
"comment_id": "3729860",
"author": "Ostracus",
"timestamp": "2017-07-06T19:44:09",
"content": "Reminds me of a crab.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3730308",
"author": "Oliver",
"timestamp": "2017-07-06T22:33:15",
"content": "Pret... | 1,760,374,764.264992 | ||
https://hackaday.com/2017/07/06/lcaas-lawn-care-as-a-service/ | LCaaS – Lawn Care As A Service? | Dan Maloney | [
"Hackaday Columns",
"Interest",
"Rants"
] | [
"autonomous lawnmower",
"gas",
"lawnmower",
"robot",
"roomba"
] | As often happens while engaged in a mundane task, my mind wandered while I was mowing my small suburban plot of green this weekend. “Why, in 2017, am I still mowing the lawn?” In a lot of ways we’re living in the future — we walk around with fantastically powerful computers in our pockets, some of us have semi-autonom... | 71 | 26 | [
{
"comment_id": "3729450",
"author": "jcwren",
"timestamp": "2017-07-06T17:05:30",
"content": "I’ve wondered about combining a robotic mower company and a dog “invisible fence” company so you’d only have to lay one wire.That being said, as a long time pet owner, I do NOT recommend invisible fences. ... | 1,760,374,764.423939 | ||
https://hackaday.com/2017/07/06/two-bit-astrophotography/ | Two-Bit Astrophotography | Brian Benchoff | [
"classic hacks",
"digital cameras hacks"
] | [
"astrophotography",
"game boy",
"game boy camera"
] | The Game Boy Camera is a 128×112 pixel sensor from 1998 that was probably the first digital camera in many, many homes. There’s not much you can do with it now, besides replicate old Neil Young album covers and attempting and failing to impress anyone born after the year 1995. Nevertheless, screwing around with old dig... | 12 | 5 | [
{
"comment_id": "3729670",
"author": "onebiozz",
"timestamp": "2017-07-06T18:13:49",
"content": "I thought the GB camera was 4 bit",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3729690",
"author": "Brian Benchoff",
"timestamp": "2017-07-06T1... | 1,760,374,764.30996 | ||
https://hackaday.com/2017/07/06/gyrators-the-fifth-element/ | Gyrators: The Fifth Element | Al Williams | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"capacitance",
"gyrator",
"inductor",
"negative impedance",
"op-amp"
] | A few years ago, there was a stir about a new fundamental component called a memristor. That wasn’t the first time a new component type was theorized though. In 1948 [Bernard Tellegen] postulated the gyrator. While you can’t buy one as a component, you can build one using other components. In fact, they are very necess... | 32 | 12 | [
{
"comment_id": "3729192",
"author": "SQ2KTN",
"timestamp": "2017-07-06T14:13:12",
"content": "These large coils were used to cancel out antenna’s capacitance (making a resonant circuit at antenna’s operating frequency). A monopole antenna (such as mast) lower than ~1/4 wavelength will have large ca... | 1,760,374,764.511886 | ||
https://hackaday.com/2017/07/06/hacking-into-a-wind-farm/ | Hacking Into…. A Wind Farm? | James Hobson | [
"green hacks",
"Raspberry Pi",
"Security Hacks"
] | [
"AC power switching",
"farm",
"grid",
"hack",
"power",
"renewable",
"turbine",
"wind"
] | Pick a lock, plug in a WiFi-enabled Raspberry Pi and that’s nearly
all there is to it
.
There’s more than that of course, but the wind farms that [Jason Staggs] and his fellow researchers at the University of Tulsa had permission to access were — alarmingly — devoid of security measures beyond a padlock or tumbler lock... | 21 | 7 | [
{
"comment_id": "3728902",
"author": "Ostracus",
"timestamp": "2017-07-06T11:17:53",
"content": "One would think cameras would become a feature. After all there’s a hard-link back to a central spot for the power and wind turbines are high up for any kind of wireless.",
"parent_id": null,
"de... | 1,760,374,764.570398 | ||
https://hackaday.com/2017/07/06/stalk-your-cats-with-a-browser-controlled-robot/ | Stalk Your Cats With A Browser-Controlled Robot | James Hobson | [
"Android Hacks",
"Arduino Hacks",
"Robots Hacks"
] | [
"cat",
"FPV",
"html",
"motor",
"robot",
"smartphone",
"wifi",
"wireless"
] | A good robot is always welcome around here at Hackaday, and Hackaday.io user [
igorfonseca83
]’browser-controlled ‘bot s is no exception.
Felines beware
.
[igorfonseca83] — building on another project he’s involved in — used simple materials for the robot itself, but you could use just about anything. His goal for this... | 9 | 6 | [
{
"comment_id": "3728793",
"author": "Saabman",
"timestamp": "2017-07-06T08:10:02",
"content": "It needs a water sprayer :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3729028",
"author": "Thinkerer",
"timestamp": "2017-07-06T13:03:12",
"conten... | 1,760,374,764.71807 | ||
https://hackaday.com/2017/07/05/fixing-bugs-in-ancient-basic-games/ | Fixing Bugs In Ancient BASIC Games | Brian Benchoff | [
"classic hacks"
] | [
"basic",
"BASIC listing",
"bug",
"c64",
"commodore 64"
] | Before everyone learned programming on Stack Exchange, things were much different. Computer magazines had BASIC programs in them, which readers would type out, line by line, and hit RUN. In theory, this is a terrible way to learn programming; it’s simply rote recitation without any insight into what the code is actuall... | 39 | 11 | [
{
"comment_id": "3728650",
"author": "AmEv",
"timestamp": "2017-07-06T05:09:42",
"content": "I think I may have found another typo…$F5=245$FF=255Reading the article, I believe you meant $FF where you put $F5.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "37... | 1,760,374,764.671192 | ||
https://hackaday.com/2017/07/05/how-do-they-synchronize-power-stations-with-the-grid/ | How Do They Synchronize Power Stations With The Grid? | Jenny List | [
"hardware"
] | [
"ac",
"AC power",
"alternator",
"synchronisation"
] | There are probably times in every Hackaday reader’s life at which you see something and realise that the technology behind it is something you have always taken for granted but have never considered quite how it works. Where this is being written there was such a moment at the weekend, an acquaintance on an amateur rad... | 58 | 25 | [
{
"comment_id": "3728528",
"author": "Joe",
"timestamp": "2017-07-06T02:10:10",
"content": "Often a syncroscope is used in a power plant setting to get the geberating equipment like the turboalternators in the same phase. A really neat example is in the battersea power station auxillary control room... | 1,760,374,764.943167 | ||
https://hackaday.com/2017/07/05/hackaday-prize-entry-an-internet-doorbell/ | Hackaday Prize Entry: An Internet Doorbell | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"internet of things"
] | The Internet of Things will kill us all and is the worst idea anyone has ever had. However, just because something could be labeled an ‘Internet of Things thing’ doesn’t mean it’s a bad idea. The Hackaday Prize’s Internet of Useful Things challenge was all about finding
the Internet of Useful things
, and one of these ... | 29 | 17 | [
{
"comment_id": "3728365",
"author": "Saabman",
"timestamp": "2017-07-05T23:16:49",
"content": "It’s interesting to see how the amount of computing power is thrown at a device not because it needs it, but because you can.By the way I love it and want one I never hear my doorbell.Perhaps a camera att... | 1,760,374,764.785748 | ||
https://hackaday.com/2017/07/05/camera-slide-pans-and-tilts-camera-mechanically/ | Camera Slide Pans And Tilts Camera Mechanically | Dan Maloney | [
"Misc Hacks"
] | [
"camera",
"extrusion",
"mechanical",
"pan-tilt",
"slider"
] | A camera slider is a popular and simple project — just a linear slide, a stepper, and some sort of controller. Adding tilt and pan axes ups the complexity until you’ve got three motors, a controller, and probably a pretty beefy battery pack to run everything. Why not simplify with
an entirely mechanical pan-tilt camera... | 22 | 7 | [
{
"comment_id": "3728248",
"author": "Gravis",
"timestamp": "2017-07-05T20:38:19",
"content": "Neat idea but it has a sucky license. “CC – Attribution – Non-Commercial – No Derivatives”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3728264",
"author... | 1,760,374,764.850549 | ||
https://hackaday.com/2017/07/05/a-virtual-machine-in-google-sheets/ | A Virtual Machine, In Google Sheets | Jenny List | [
"computer hacks"
] | [
"google sheets",
"virtual computer",
"virtual machine",
"virtual processor"
] | In the last couple of decades we have become used to the browser taking over so many of the desktop functions for which we used to rely on stand-alone software. Email clients, calendars, office suites and much more can now be found in the cloud, courtesy of the usual technology companies.
Sometimes these cloud-based al... | 38 | 16 | [
{
"comment_id": "3728068",
"author": "psmay",
"timestamp": "2017-07-05T18:37:58",
"content": "Fibronacci: Fibonacci for bros.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3728137",
"author": "limroh",
"timestamp": "2017-07-05T19:12:45",
... | 1,760,374,765.121535 | ||
https://hackaday.com/2017/07/05/book-review-the-art-of-the-patent/ | Book Review: The Art Of The Patent | Jenny List | [
"Hackaday Columns",
"Interest"
] | [
"art",
"book",
"book review",
"patent",
"review"
] | In bringing suitable illustrations to our articles, we Hackaday scribes use a variety of sources that offer images featuring permissive licences. Among the usual free image libraries there is one particularly rich source, the line drawings contained within the huge archives of patents granted by the various countries a... | 22 | 8 | [
{
"comment_id": "3728027",
"author": "Pirate Labs",
"timestamp": "2017-07-05T18:29:24",
"content": "I thought that draughtsmanship was about how well the bartender poured your beer?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3728083",
"author": "notare... | 1,760,374,765.231906 | ||
https://hackaday.com/2017/07/05/friday-hack-chat-a-design-slam-challenge/ | Friday Hack Chat: A Design Slam Challenge | Brian Benchoff | [
"Hackaday Columns"
] | [
"Hack Chat",
"position sensor"
] | Every Friday, the Hackaday.io community gathers ’round the fireplace and discusses the challenges facing the world. This is the Hack Chat, and in previous incarnations, we’ve talked about custom silicon, Arduinos, PCB fabrication, old technologies, and hardware manufacturing.
For this week’s Hack Chat, we’re opening up... | 5 | 4 | [
{
"comment_id": "3728336",
"author": "Ryan Turner",
"timestamp": "2017-07-05T22:32:33",
"content": "I’m not really sure what the expectations are here. Position sensing has always been a very heavily researched field, and is receiving even more attention now that VR is in the spotlight.Hobbyists ar... | 1,760,374,765.167372 | ||
https://hackaday.com/2017/07/05/classic-ibm-tr-2-flip-flop-reproduction/ | Classic IBM TR-2 Flip-Flop Reproduction | Dan Maloney | [
"classic hacks",
"computer hacks"
] | [
"6J6",
"flip-flop",
"ibm",
"Model 604",
"triode",
"tube",
"valve"
] | As useful as computers are, most of them have all the design charm of a rubber doorstop. Oh, for the heady early days of computing, when vacuum tubes ruled, hardware was assembled by hand, and engineers always wore a tie.
Looking to recreate an elegant bit of computing hardware from that more civilized age, [updatebjar... | 16 | 8 | [
{
"comment_id": "3727803",
"author": "Jan",
"timestamp": "2017-07-05T15:29:21",
"content": "Cool project. It makes you wonder how it all looked and felt (in real life) with 1250 of these circuits (and lot’s of other circuits) crammed in a box in a special room… humming and clicking during the time o... | 1,760,374,765.282132 | ||
https://hackaday.com/2017/07/05/free-as-in-beer-or-the-story-of-windows-viruses/ | Free As In Beer, Or The Story Of Windows Viruses | Elliot Williams | [
"Current Events",
"Featured",
"Interest",
"Linux Hacks",
"Rants",
"Slider"
] | [
"Chernobyl",
"Free as in Beer",
"heartbleed",
"linux",
"upgrades",
"wannacry",
"windows",
"windows xp"
] | Whenever there’s a
new Windows virus
out there wreaking global havoc, the Linux types get smug. “That’ll never happen in our open operating system,” they say. “There are
many eyes
looking over the source code.” But then there’s a
Heartbleed
vulnerability that keeps them humble for a little while. Anyway, at least patch... | 211 | 48 | [
{
"comment_id": "3727743",
"author": "Billy",
"timestamp": "2017-07-05T14:23:48",
"content": "Just a little confused. Is Linux free as in speech or beer? I always heard speech, but both look to be applied.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "37277... | 1,760,374,765.57334 | ||
https://hackaday.com/2017/07/05/daito-manabe-interview-shocking/ | [Daito Manabe] Interview: Shocking! | Elliot Williams | [
"Misc Hacks",
"Musical Hacks"
] | [
"art",
"electrocution",
"interview",
"laser",
"phosphor",
"technology"
] | We’ve loved [Daito Manabe]’s work for a while now. Don’t know [Daito]? Read
this recent interview with him
and catch up. Is he a hacker’s artist, or an artist’s hacker?
My personal favorite hack of his is
laser painting apparatus
from 2011. The gimmick is that he uses the way the phosphors fade out to create a greyscal... | 2 | 1 | [
{
"comment_id": "3728295",
"author": "???? ????",
"timestamp": "2017-07-05T21:26:45",
"content": "Well if you are looking for more techno-freak-shows posing as something meaningful you can’t go past Stelarc.http://stelarc.org/?catID=20247",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,765.321553 |
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