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https://hackaday.com/2017/10/06/engineering-and-artistry-meet-an-untimely-end-at-burning-man/ | Engineering And Artistry Meet An Untimely End At Burning Man | Dan Maloney | [
"Misc Hacks"
] | [
"art",
"burning man",
"cnc",
"kinetic",
"lathe",
"redwood",
"sculpture",
"segmented wood turning",
"steel",
"wood"
] | Burning Man is so many different things to so many people, that it defies neat description. For those who attend, it always seems to be a life-changing experience, for good or for ill.
The story of one man’s Burning Man exhibition
is a lesson in true craftsmanship and mind-boggling engineering, as well as how some even... | 38 | 14 | [
{
"comment_id": "4099248",
"author": "Galane",
"timestamp": "2017-10-06T08:08:09",
"content": "someone destroyed some of the bigger elements of the installationIdiots gotta idiot. :( Biggest idiot there this year was the one who ran into the fire.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,651.56258 | ||
https://hackaday.com/2017/10/05/the-cambridge-z88-lives-as-a-usb-keyboard/ | The Cambridge Z88 Lives! (As A USB Keyboard) | Jenny List | [
"classic hacks"
] | [
"Cambridge Z88",
"Clive Sinclair",
"Minimus AVR",
"sinclair",
"usb hid"
] | What did [Clive Sinclair] do next? After his line of home computers including the iconic ZX Spectrum hit the buffers and was sold to Amstrad, that is. No longer in the home computer business, he released a portable computer for the business market. The Cambridge Z88 had a Z80 at its heart, a decent keyboard, a text-onl... | 19 | 10 | [
{
"comment_id": "4098851",
"author": "Andy",
"timestamp": "2017-10-06T06:35:51",
"content": "Thanks for reminding me about the one in my basement :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4112268",
"author": "me",
"timestamp": "2017-1... | 1,760,374,651.622599 | ||
https://hackaday.com/2017/10/05/power-through-a-hurricane/ | Power Through A Hurricane | Bryan Cockfield | [
"home hacks"
] | [
"bank",
"battery",
"generator",
"hurricane",
"power outage"
] | When living in an area that is prone to natural disasters, it’s helpful to keep something on hand for backup power. While a large number of people chose to use generators, they are often unreliable (or poorly maintained), noisy, produce dangerous carbon monoxide, or run on a fuel supply that might not be available inde... | 45 | 13 | [
{
"comment_id": "4097735",
"author": "reggy",
"timestamp": "2017-10-06T02:18:08",
"content": "I would never go with batteries. It is not hard to put a small gas engine up for storage and given I own a house and have several gas powered devices, I have a decent supply of fuel. More than enough to o... | 1,760,374,652.034274 | ||
https://hackaday.com/2017/10/05/dumbo-never-forgets-to-fill-your-glass/ | Dumbo Never Forgets To Fill Your Glass | Al Williams | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"3d printing",
"bar",
"elephant",
"shot",
"shot dispenser",
"shotbot"
] | What do you get if you have a 3D printer, some booze (or any beverage), a pump, and an Arduino? If you are [RobotGeek] you wind up with
an elephant that will pour you a shot on demand
. The project was inspired by the
ShotBot
, but we have to admit the elephant sells it.
Conceptually, the device is pretty simple. A pum... | 27 | 14 | [
{
"comment_id": "4096766",
"author": "voyagesofanengineer",
"timestamp": "2017-10-05T23:22:57",
"content": "Or you could have a guy standing watering some plants.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4096770",
"author": "voyagesofanengineer... | 1,760,374,651.682848 | ||
https://hackaday.com/2017/10/05/who-owns-arduino/ | Who Owns Arduino? | Elliot Williams | [
"Arduino Hacks",
"Business",
"Current Events",
"Featured",
"News",
"Slider"
] | [
"arduino",
"Arduino Foundation",
"Arduino vs arduino",
"arm"
] | Who owns Arduino? We don’t mean metaphorically — we’d say that’s the community of users and developers who’ve all contributed to this amazing hardware/software ecosystem. We mean literally. Whose chips are on the table? Whose money talks? It
looks like ARM could have a stake
!
The Arduino vs Arduino saga “
ended
” just... | 67 | 21 | [
{
"comment_id": "4096402",
"author": "Alphatek",
"timestamp": "2017-10-05T20:54:08",
"content": "ARM could quite easily have gifted the money. I’m sure Banzi would consider Cortex chips in future anyway.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4096466... | 1,760,374,651.823222 | ||
https://hackaday.com/2017/10/05/hackaday-prize-entry-clunke-button-powers-accessibility/ | Hackaday Prize Entry: Clunke Button Powers Accessibility | Kristina Panos | [
"Lifehacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"3.5mm",
"assistive technology",
"AT button",
"cherry mx",
"ESP-01"
] | An AT button is a device that helps people with all kinds of physical disabilities to interact with their world. There isn’t much to them, just a switch wired up to a 3.5mm mono plug or jack, but the switch is installed in a large button housing that’s easy to operate.
These buttons can be used with any appliance or t... | 11 | 5 | [
{
"comment_id": "4096320",
"author": "daid303",
"timestamp": "2017-10-05T18:55:08",
"content": "http://www.arcadeshop.de/Illum-Buttons-Jumbo-Dome-Button-98-mm-red_505.htmlLess then 10 euros… (in different colors)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,374,652.094536 | ||
https://hackaday.com/2017/10/05/a-3d-printer-alone-doesnt-make-a-hackspace/ | A 3D Printer Alone Doesn’t Make A Hackspace | Jenny List | [
"Hackaday Columns",
"Hackerspaces",
"Interest"
] | [] | There was a time when hackspaces were few and far between — legendary environments that you’d read about online, where amazing projects were made by people who had come together to form communities of creative technology enthusiasts. Of course, they were always in places far afield, California, or Germany, never in pro... | 75 | 10 | [
{
"comment_id": "4096215",
"author": "Mark",
"timestamp": "2017-10-05T17:21:25",
"content": "The co-opting of the whole maker phenomenom is what is worrying me. A big home improvement chainstore here is already selling their crap with a “for the makers” tagline and images of bearded hipsters. Before... | 1,760,374,651.940337 | ||
https://hackaday.com/2017/10/04/hackaday-prize-entry-scorpion-dc-dc-voltage-converter/ | Hackaday Prize Entry: Scorpion DC-DC Voltage Converter | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"dc-dc",
"msp430",
"voltage converter"
] | Finding the right wall wart or charger to go with an appliance might be a matter of convenience to you and I, but there are some people who really, really need the right charger, because not having it could mean a fire.
[marius] is a Romanian hardware engineer who moved to Papua New Guinea, where he had the opportunity... | 32 | 8 | [
{
"comment_id": "4094812",
"author": "Jason",
"timestamp": "2017-10-04T20:25:55",
"content": "This is a really cool idea and seems very handy. I like it!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4107349",
"author": "Thegreatdanetroels",
... | 1,760,374,652.330762 | ||
https://hackaday.com/2017/10/04/friday-hack-chat-hardware-games/ | Friday Hack Chat: Hardware Games | Brian Benchoff | [
"Hackaday Columns"
] | [
"Electronic games",
"games",
"Hack Chat",
"hardware games"
] | For this week’s Hack Chat, we’re talking all about hardware games. What’s a hardware game? Anything where we use hardware, electronics, or code for user interaction. This is a vast, vast topic and there are a lot of tips and tricks that go into making a unified experience that’s both valuable and can stand up to the ri... | 0 | 0 | [] | 1,760,374,651.723362 | ||
https://hackaday.com/2017/10/04/refurbishing-an-old-p3steel/ | Refurbishing An Old P3Steel | Pedro Umbelino | [
"3d Printer hacks",
"Hackaday Columns"
] | [
"3d printer",
"ovm20",
"p3steel",
"prusa"
] | In the aftermath of the London Unconference, after the usual
beer drinking
networking at the pub, I meet Javier Varela, one of our many readers that were present. It turns out my fellow Iberic friend is involved in some interesting hardware projects, one of them being the OVM20 Lite board. I was looking for an excuse t... | 15 | 6 | [
{
"comment_id": "4094560",
"author": "me",
"timestamp": "2017-10-04T17:22:07",
"content": "I thought that the problem with improperly stored filament was that it absorbs moisture, not the other way around.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "40946... | 1,760,374,652.151765 | ||
https://hackaday.com/2017/10/04/open-hardware-summit-this-thursday/ | Open Hardware Summit This Thursday | Brian Benchoff | [
"cons"
] | [
"cons",
"ohs",
"Open Hardware Summit",
"OSHWA"
] | This Thursday, Hackaday and Tindie are going to be rolling into Denver to attend
the 2017 Open Hardware Summit
.
What’s the big draw for the Open Hardware Summit? The attendees, of course. These are the people who make all the cool bits and bobs in Open Hardware. [Prusa] will be there, Seeed will be there, OSH Park and... | 9 | 5 | [
{
"comment_id": "4094455",
"author": "Ostracus",
"timestamp": "2017-10-04T16:15:04",
"content": "In the spirit, maybe it should be an electric bus.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4094619",
"author": "Clara",
"timestamp": "2017... | 1,760,374,652.549847 | ||
https://hackaday.com/2017/10/04/3d-printing-on-the-subway-or-anywhere-else/ | 3D Printing On The Subway; Or Anywhere Else! | Inderpreet Singh | [
"3d Printer hacks",
"Wearable Hacks"
] | [
"3d printer",
"diy",
"wearable"
] | 3D-Printed wearable electronics are on the rise, however our own [Naomi Wu] flipped it around and made a
wearable 3D printer
which not only is portable but also manufactures on the move!
The project starts with a baby carrier that was locally purchased, and the extra fat was trimmed off leaving behind only the primary ... | 55 | 15 | [
{
"comment_id": "4094403",
"author": "Gwendolyn the first (@BodyByEstrogen)",
"timestamp": "2017-10-04T15:28:43",
"content": "Im interested in seeing how walking around effects the quality of the prints.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4094422... | 1,760,374,652.500671 | ||
https://hackaday.com/2017/10/04/literally-flashy-business-cards/ | The Art Of Blinky Business Cards | Brian McEvoy | [
"Featured",
"Interest",
"Slider"
] | [
"2032",
"555",
"555 timer",
"basic circuit",
"battery",
"board",
"flashy",
"flexible",
"flexible printed circuit board",
"l",
"led",
"pcb",
"Printed Circuit Board"
] | Business cards are stuck somewhere between antiquity and convenience. On one hand, we have very convenient paperless solutions for contact swapping including Bluetooth, NFC, and just saying, “Hey, put your number into my phone, please.” On the other hand, holding something from another person is a more personal and mem... | 42 | 15 | [
{
"comment_id": "4094336",
"author": "Thinkerer",
"timestamp": "2017-10-04T14:37:29",
"content": "Let’s hear more about the NFC version – nearly every office/home has a WiFi router it seems so this might be a lot of fun.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,652.63607 | ||
https://hackaday.com/2017/10/04/rocking-playmobil-wedding/ | Rocking Playmobil Wedding | Brian McEvoy | [
"Microcontrollers",
"Toy Hacks"
] | [
"1/24",
"automation",
"control",
"dance",
"lighting",
"miniatures",
"model",
"music",
"Playmobil",
"scale",
"scale model",
"stage",
"topper",
"wedding"
] | Many of us have put our making/hacking/building skills to use as a favor for our friends and family. [
Boris Werner] is no different, he set about creating a
music festival stage with Playmobil figures
and parts for a couple of friends who were getting married. The miniature performers are 1/24 scale models of the form... | 6 | 4 | [
{
"comment_id": "4094143",
"author": "RW",
"timestamp": "2017-10-04T11:42:40",
"content": "“like this similarly scaled space sedan.” … Which starts with a 1:24 base model and makes it into a buggy for a much larger scale astronaut, like 1:10 to 1:16 … ending up rather dissimilar on the figure front,... | 1,760,374,652.675574 | ||
https://hackaday.com/2017/10/02/7-segment-digits-slide-stylishly-on-this-oled-clock/ | 7-Segment Digits Slide Stylishly On This OLED Clock | Donald Papp | [
"clock hacks",
"Microcontrollers"
] | [
"ESP32",
"ESP8266",
"microcontroller",
"ntp",
"oled",
"rtc",
"web server",
"wifi"
] | Over at Sparkfun, [Alex] shared an
OLED clock project
that’s currently in progress but has a couple interesting twists. The first is the use of a small OLED screen for each digit, to which [Alex] added a stylistic touch. Digits transition by having segments slide vertically in a smooth animated motion. It’s an attracti... | 19 | 12 | [
{
"comment_id": "4090059",
"author": "werecatf",
"timestamp": "2017-10-02T08:25:28",
"content": "It’s not that difficult. See e.g.https://github.com/espressif/arduino-esp32/blob/master/libraries/WiFi/examples/SimpleWiFiServer/SimpleWiFiServer.ino— just compare the ‘currentLine’ – variable to e.g. “G... | 1,760,374,652.815983 | ||
https://hackaday.com/2017/10/01/hacking-a-metallurgical-microscope/ | Hacking A Metallurgical Microscope | John Baichtal | [
"hardware"
] | [
"CNC milling",
"microscope",
"xy table"
] | [Amen] wanted to inspect ICs on the PCBs for suitability for reuse, so he
bought a metallurgical microscope
that illuminates from above rather than below, since it normally looks at opaque things. It has a working distance of 0.5 mm and 10 mm, which isn’t a lot of room to solder.
The microscope didn’t come with a slide... | 10 | 2 | [
{
"comment_id": "4090631",
"author": "ThisGuy",
"timestamp": "2017-10-02T16:23:05",
"content": "Given that the microscope seems set up to allow for bottom lighting I would not describe it as a metallurgical scope (though it can certainly be used for that) but more generally as a trinocular stereo mi... | 1,760,374,652.761717 | ||
https://hackaday.com/2017/10/01/custom-lightbulb-firmware/ | Custom Lightbulb Firmware | Lewin Day | [
"LED Hacks"
] | [
"ESP8266",
"esp8285",
"internet of things",
"IoT",
"sonoff"
] | The Internet of Things is developing at a rapid pace, as hobbyists and companies rush to develop the latest and greatest home automation gear. One area of particular interest to some is lighting – yes, even the humble lightbulb now comes with a brain and is
ripe for the hacking.
[Tinkerman] starts by doing a full disas... | 15 | 7 | [
{
"comment_id": "4089657",
"author": "Simonelse",
"timestamp": "2017-10-02T03:00:50",
"content": "Since you can talk to these. I was wondering if these could be used for optical data transmission. I remember years ago there was talk about grocery stores using optical data transmission for price chan... | 1,760,374,652.866122 | ||
https://hackaday.com/2017/10/01/hackaday-links-october-1-2017/ | Hackaday Links: October 1, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"homeland security",
"hoverbike",
"nyc",
"Open Hardware Summit",
"OSHWA",
"ultralight",
"USB C",
"wall outlet"
] | Remember when you first saw a USB port in a standard wall outlet? It was a really great idea at the time, but how’s that 500mA charge holding up now? Fresh from a random press release,
here’s a USB 3.0 wall outlet, with USB A and C ports
. 5A @ 5V. Future proof for at least several years, I guess.
This is what you call... | 37 | 12 | [
{
"comment_id": "4089450",
"author": "chango",
"timestamp": "2017-10-01T23:34:00",
"content": "We are being watched. The government has a secret system, a machine that spies on you every hour of every day. I designed the machine to detect acts of terror but it sees everything. Violent crimes involvi... | 1,760,374,652.940701 | ||
https://hackaday.com/2017/10/01/hackaday-prize-entry-hand-tremor-suppression-wearable-device/ | Hackaday Prize Entry: Hand Tremor Suppression Wearable Device | Jenny List | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"accelerometer",
"Hackaday Prize",
"hand tremor",
"Tremor"
] | It is extremely distressing to watch someone succumb to an uncontrollable hand tremor. Simple tasks become frustrating and impossible, and a person previously capable becomes frail and vulnerable. Worse still are the reactions of other people, in whom the nastiest of prejudices can be unleashed. A tremor can be a debil... | 13 | 6 | [
{
"comment_id": "4089266",
"author": "Strangerer",
"timestamp": "2017-10-01T20:48:59",
"content": "Rule 34: What could this do for premature ejaculation? I’m asking or my wife.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4089278",
"author": "Tore ... | 1,760,374,653.006267 | ||
https://hackaday.com/2017/10/01/trouble-flashing-your-esp8266-meet-dio-and-qio/ | Trouble Flashing Your ESP8266? Meet DIO And QIO | Lewin Day | [
"Microcontrollers"
] | [
"checksum",
"ESP8266",
"flash",
"flash memory"
] | [Pete] was building a hot tub controller, using a WEMOS board based on the venerable ESP8266.
After assembly, the board was plugged into USB and [Pete] hit the flash button. No dice. Investigation with some terminal software indicated a checksum error.
Assuming the board was dead, [Pete] grabbed another — and suffered ... | 13 | 7 | [
{
"comment_id": "4089065",
"author": "dumohsmol",
"timestamp": "2017-10-01T17:07:27",
"content": "Ah, the infamous ESP8266 memory configurations! You also need to choose a correct flash size.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4089075",
"author... | 1,760,374,653.119159 | ||
https://hackaday.com/2017/10/01/lego-components-under-x-ray/ | LEGO Components Under X-Ray | John Baichtal | [
"Repair Hacks"
] | [
"ct scanner",
"inspection",
"lego",
"x-ray"
] | [Nico71] works for a company that makes industrial CT scanners. These x-ray machines look inside a piece of equipment, allowing operators to verify assembly and to inspect for material integrity. It also allowed [Nico71] the opportunity to
scan a LEGO servo
he had lying around, and which no longer worked. The resulting... | 10 | 2 | [
{
"comment_id": "4088934",
"author": "RW",
"timestamp": "2017-10-01T14:27:02",
"content": "Ugh, what do you call that genericcy youtube instructable background music style? It’s becoming like the ear rotting elevator music of the early 21st century.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,374,653.068279 | ||
https://hackaday.com/2017/10/02/a-bit-of-mainstream-coverage-for-the-right-to-repair/ | A Bit Of Mainstream Coverage For The Right To Repair | Jenny List | [
"News",
"Repair Hacks"
] | [
"drm",
"repair",
"right to fix",
"right to repair"
] | Here at Hackaday, we write for a community of readers who are inquisitive about the technology surrounding them. You wouldn’t be here if you had never taken a screwdriver to a piece of equipment to see what makes it work. We know that as well as delving inside and modifying devices being core to the hardware hacker min... | 80 | 19 | [
{
"comment_id": "4090925",
"author": "XEON",
"timestamp": "2017-10-02T20:21:43",
"content": "I totally agree, i have seen tons of stores shut doors, it’s horrific.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4090956",
"author": "p51d007",
"timestamp... | 1,760,374,653.711659 | ||
https://hackaday.com/2017/10/02/hackaday-prize-entry-dynamometer-for-post-stroke-rehabilitation/ | Hackaday Prize Entry: Dynamometer For Post Stroke Rehabilitation | Anool Mahidharia | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"adc",
"arduino nano",
"assistive technolgy",
"hx711",
"rehabilitation",
"servo",
"Spasticity",
"stroke",
"weighing scale",
"weight sensor"
] | For those who have suffered a stroke, recovery is a long and slow process that requires rehabilitation to start as early as possible. Quite often, secondary stroke attacks complicate matters. Spasticity — muscle contraction and paresis — muscular weakness, are two of the many common after-effects of stroke. Recovery in... | 4 | 3 | [
{
"comment_id": "4090967",
"author": "Wolf",
"timestamp": "2017-10-02T20:54:49",
"content": "In the future, I hope that post-stroke rehabilitation will not be necessary:https://med.stanford.edu/news/all-news/2016/06/stem-cells-shown-safe-beneficial-for-chronic-stroke-patients.htmlFrom the article:“T... | 1,760,374,653.454343 | ||
https://hackaday.com/2017/10/02/books-you-should-read-feynmans-appendix-to-the-challenger-disaster-report/ | Books You Should Read: Feynman’s Appendix To The Challenger Disaster Report | Donald Papp | [
"Engineering",
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"Challenger",
"Feynman",
"Fooling Yourself",
"nasa",
"Space Shuttle"
] | It isn’t really a book, but Richard Feynman’s
Appendix to the Challenger Disaster Report
is still definitely something you should read. It’s not particularly long, but it’s educational and relevant not just as an example of critical thinking in action, but as a reminder not to fool oneself; neither individually, nor on... | 84 | 27 | [
{
"comment_id": "4090668",
"author": "Ostracus",
"timestamp": "2017-10-02T17:08:02",
"content": "“Feynman, who had undergone cancer-related surgery at the time, was initially reluctant to join the commission for simple reasons: he didn’t want to go anywhere near Washington and didn’t want anything a... | 1,760,374,653.884244 | ||
https://hackaday.com/2017/10/02/nist-uses-optical-resonance-to-probe-atoms/ | NIST Uses Optical Resonance To Probe Atoms | Al Williams | [
"chemistry hacks"
] | [
"AFM",
"atomic force microscope",
"cantilever",
"laser",
"nist"
] | Have you ever stood under a dome and whispered, only to hear the echo of your voice come back much louder? Researchers at NIST used a similar principle to
improve the atomic force microscope
(AFM), allowing them to measure rapid changes in microscopic material more accurately than ever before.
An AFM works by using a m... | 6 | 3 | [
{
"comment_id": "4090718",
"author": "Bloopie Pastan",
"timestamp": "2017-10-02T17:47:17",
"content": "Awesome! Now all those dudes with minuscule sharp probes have something to brag about too!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4090837",
... | 1,760,374,653.751378 | ||
https://hackaday.com/2017/10/02/get-hands-on-at-supercon-workshop-tickets-now-available/ | Get Hands-On At Supercon: Workshop Tickets Now Available | Mike Szczys | [
"cons",
"Hackaday Columns",
"News"
] | [
"2017 Hackaday Superconference",
"hands on",
"Supercon",
"Superconference",
"tickets",
"workshops"
] | Build something cool and pick up new skills from the workshops at the
Hackaday Superconference
. Last week we announced
all of the talks you’ll find at Supercon
, and starting today you can reserve your spot at one of the workshops.
You must have a Superconference ticket in order to purchase a workshop ticket;
buy one ... | 13 | 9 | [
{
"comment_id": "4090517",
"author": "Fred",
"timestamp": "2017-10-02T15:11:53",
"content": "Do you know what “super con” mean in French ? because it’s quite funny …",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4090548",
"author": "jaromir",
... | 1,760,374,653.414411 | ||
https://hackaday.com/2017/10/02/manufacturing-your-own-single-origin-tea/ | Manufacturing Your Own Single-Origin Tea | Sean Boyce | [
"cooking hacks",
"Featured",
"home hacks",
"Skills"
] | [
"homebrewing",
"tea",
"tea leaves"
] | It’s nice to take a break from hacking together the newest bleeding-edge technology, relax, and enjoy a beverage. It’s no surprise that hacks devoted to
beer
and
coffee roasting
are popular. We’ve also seen a
few projects
helping brew the perfect cup of tea, but none involving the actual production of tea. Today we’re ... | 33 | 14 | [
{
"comment_id": "4090439",
"author": "Sheldon",
"timestamp": "2017-10-02T14:16:30",
"content": "Great and well written article.My boss allows us to access this site at work (Industrial Automation Firm)I had trouble explaining the relevancy of this one, However I am pleased that I now posses the know... | 1,760,374,654.183543 | ||
https://hackaday.com/2017/10/02/fm-snake-feeds-off-radio-waves/ | FM Snake Feeds Off Radio Waves | John Baichtal | [
"News"
] | [
"antenna",
"fm radio",
"led",
"schottky diode"
] | [Eric Brasseur] built a
radio-detecting snake
that consists of a LED that lights up when around reasonably strong radio waves. Near an FM radio mast you’ll find a huge amount of waste energy being dumped out in the 88 to 108 MHz range.
[Eric]’s rig consists of a pair of 1N6263 Schottky diodes, flip-flopped with one set... | 54 | 15 | [
{
"comment_id": "4090239",
"author": "alfcoder",
"timestamp": "2017-10-02T11:17:02",
"content": "that’s not waste energy, that is the radio signal itself, to be able to reach far",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4090295",
"author": "Ret... | 1,760,374,653.972327 | ||
https://hackaday.com/2017/09/30/enresoning-an-iphone-8-ring/ | Enresoning An IPhone 8 Ring | Brian Benchoff | [
"Misc Hacks"
] | [
"casting",
"lathe",
"resin",
"turning",
"waterjet"
] | The iPhone 8 was just released last week, and that means some people were standing in line in front of an Apple store for hours waiting to get their hands on the latest and greatest glowing rectangle. [Patrick Adair] had a better idea: he would stand in front of an Apple store for four hours,
then do something producti... | 54 | 25 | [
{
"comment_id": "4087493",
"author": "Teg",
"timestamp": "2017-09-30T14:23:59",
"content": "Does it still work?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4087502",
"author": "Brian Benchoff",
"timestamp": "2017-09-30T14:33:48",
"... | 1,760,374,654.10353 | ||
https://hackaday.com/2017/09/30/modern-strongman-games-test-your-speed-instead/ | Modern Strongman Games Test Your Speed Instead | Steven Dufresne | [
"ATtiny Hacks",
"LED Hacks"
] | [
"Adafruit trinket",
"ATTiny 85",
"carnival",
"carnival games",
"Trinket",
"ws2812"
] | Step right up! What would a Makerfaire be without some carnival games? And being a Makerfaire, they could of course be modernized versions. In [avishorp]’s case, he made
a series of games that test your speed
and look very much like the old
strongman game, aka high striker or strength tester
.
In the strongman game, yo... | 0 | 0 | [] | 1,760,374,654.01547 | ||
https://hackaday.com/2017/09/30/midi-to-cvgate-the-easy-way/ | MIDI To CV/Gate The Easy Way | Lewin Day | [
"Musical Hacks"
] | [
"control voltage",
"CV",
"CV/gate",
"modular",
"modular synth",
"Modular synthesizer",
"music",
"Teensy",
"Teensy 3.6"
] | Let’s say you’ve got a modular synthesizer. You’re probably a pretty cool person. But all your cool laptop DJ friends keep showing off their MIDI-controlled hardware, and you’re getting jealous.
Well, [little-scale] has the build for you.
The
Teensy 3.6
is the current top-of-the-line Teensy from PJRC, and it’s [little-... | 7 | 4 | [
{
"comment_id": "4087056",
"author": "MacSimski",
"timestamp": "2017-09-30T08:21:13",
"content": "Ha. I just finished a midi-to-Pearl-Drum-X converter for our hackerspace synth meetup today. I used a pro micro and some resistors and elco’s to shape the pulseform so I can use velocity. Next week I m... | 1,760,374,654.223629 | ||
https://hackaday.com/2017/09/29/teletype-machine-resurrected/ | Teletype Machine Resurrected | Rich Hawkes | [
"hardware",
"Repair Hacks"
] | [
"deltabeston",
"restoration",
"steampunk",
"teleprinter",
"tty"
] | A teleprinter is, at its heart, an automatic typewriter. It’s electrically controlled and has some smarts to be able to decode an incoming message and has something that will move the keys. These printers have been in use since the late 1800’s and [AethericLtd] have refurbished an
old 1930’s design and given it a bi... | 10 | 9 | [
{
"comment_id": "4086768",
"author": "echodelta",
"timestamp": "2017-09-30T07:18:21",
"content": "Deltabeston, wow. Kinda like Raybestos for brakes.It could be coated with a number of coatings which should help protect it and keep it from ablating.Think liquids that soak in.",
"parent_id": null,... | 1,760,374,654.584436 | ||
https://hackaday.com/2017/09/29/reuleaux-coaster/ | Reuleaux Coaster | Brian McEvoy | [
"Beer Hacks"
] | [
"advice",
"coaster",
"jig",
"laser cutter",
"laser engraver",
"party",
"production",
"repeatable",
"Reuleaux",
"triangle"
] | What’s better than a cool build? A cool build with valuable advice! Add a few flashy pictures and you have [Martin Raynsford]’s
Reuleaux triangle coasters blog post
. [Martin Raynsford] wanted to share his advice about the importance of using jigs and we’re sold. He was able to make 100 coasters in a single day and if ... | 15 | 5 | [
{
"comment_id": "4086477",
"author": "Galane",
"timestamp": "2017-09-30T02:37:52",
"content": "Would be even cooler if the inside of the square had the slightly rounded corners a Reuleaux drill makes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4086510",
... | 1,760,374,654.699195 | ||
https://hackaday.com/2017/09/29/milling-a-flow-sensor-to-safeguard-a-laser-tube/ | Milling A Flow Sensor To Safeguard A Laser Tube | Mike Szczys | [
"Laser Hacks"
] | [
"flow sensor",
"laser cutter",
"laser tube",
"milling"
] | Powerful lasers get powerfully hot and if you don’t keep them cool you’ll pay the price. After two such experiences [NixieGuy] got smart and
milled this flow sensor as a failsafe
.
Laser cutters are awesome. But acquiring one can be expensive, and keeping them in working order is no small feat. From the gunk that build... | 16 | 6 | [
{
"comment_id": "4086332",
"author": "Clara",
"timestamp": "2017-09-29T23:23:03",
"content": "A good safeguard, but it seems to me the solution is to just clean the filter after every [x] hours of machine time. An ounce of prevention and all that…",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,654.646705 | ||
https://hackaday.com/2017/09/29/simultaneous-ap-client-on-the-pi-zero-w/ | Simultaneous AP & Client On The Pi Zero W | Lewin Day | [
"Raspberry Pi"
] | [
"access point",
"ap",
"client",
"Pi",
"pi zero",
"Pi Zero W",
"raspberry pi",
"wifi"
] | The Raspberry Pi Zero W is a great platform for IoT projects, with a smattering of GPIO and onboard WiFi. However, security is an important consideration when it comes to the Internet of Things and it can be beneficial to keep your IoT devices on a separate network for safety’s sake. [Albert] wanted to do this all on b... | 34 | 10 | [
{
"comment_id": "4086018",
"author": "Ostracus",
"timestamp": "2017-09-29T20:09:36",
"content": "VLAN.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4086338",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-09-29T23:28:14",
"conte... | 1,760,374,654.769551 | ||
https://hackaday.com/2017/10/03/worlds-largest-telescope-stopped-by-led/ | World’s Largest Telescope Stopped By LED | Michael Uttmark | [
"hardware",
"Slider"
] | [
"failure",
"led",
"space",
"telescope",
"transistor troubleshooting",
"troubleshooting"
] | Earlier this year
a simple indicator LED brought the Keck 1 telescope, a 370 tons mass, to a halting stop
. How exactly did an LED do this? Simple: it did nothing.
As it so happens, [Andrew Cooper] was
just
about the leave the summit of Mauna Kea (in Hawaii) when his radio instructed him otherwise: there was an issue. ... | 75 | 16 | [
{
"comment_id": "4092603",
"author": "Ren",
"timestamp": "2017-10-03T15:36:43",
"content": "Bucket list Item #5Visit the telescopes on the top of the Big Island.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4092628",
"author": "djsmiley2k",
... | 1,760,374,655.322231 | ||
https://hackaday.com/2017/10/03/ben-franklins-weak-motor-and-other-forgotten-locomotion/ | Ben Franklin’s Weak Motor And Other Forgotten Locomotion | Steven Dufresne | [
"classic hacks",
"Engineering",
"Featured",
"History",
"Original Art",
"Slider"
] | [
"Benjamin Franklin",
"corona motor",
"Electric motor",
"electrostatic induction",
"electrostatic motor",
"high voltage",
"ion wind"
] | Most of the electric motors we see these days are of the electromagnetic variety, and for good reason: they’re powerful. But there’s a type of motor that was invented before the electromagnetic one, and of which there are many variations. Those are motors that run on high voltage, and the attraction and repulsion of ch... | 11 | 5 | [
{
"comment_id": "4092492",
"author": "AMS",
"timestamp": "2017-10-03T14:19:22",
"content": "They’re not gone. There’s some work in Madison, WI that’s making electrostatic machines with torque densities similar to industrial magnetic motors. Both a company and a professor at the University of Wiscon... | 1,760,374,655.108169 | ||
https://hackaday.com/2017/10/03/becdot-teaches-with-touch/ | Becdot Teaches With Touch | Lewin Day | [
"Toy Hacks"
] | [
"becdot",
"braille",
"braille display",
"toy"
] | Braille is a tactile system of communication, used the world over by those with vision impairment. Like any form of language or writing, it can be difficult to teach and learn. To help solve this, [memoriesforbecca] has developed
Becdot as a teaching tool to help children learn Braille.
The device is built around four ... | 5 | 4 | [
{
"comment_id": "4092188",
"author": "bobbyross@gmail.com",
"timestamp": "2017-10-03T12:01:30",
"content": "Looks like it uses opposing magnets",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4092211",
"author": "jpa",
"timestamp": "2017-10-03T12:15:54"... | 1,760,374,654.813096 | ||
https://hackaday.com/2017/10/03/a-vintage-morse-key-turned-into-usb-keyboard/ | A Vintage Morse Key Turned Into USB Keyboard | Dan Maloney | [
"classic hacks"
] | [
"ASCII",
"debouncing",
"key",
"morse",
"morse code",
"Teensy",
"telegraph",
"usb"
] | Time was when only the cool kids had new-fangled 102-key keyboards with a number pad, arrow keys, and function keys. They were such an improvement over the lame old 86-key layout that nobody would dream of going back. But going all the way back to a one-key keyboard is pretty cool, in the case of
this Morse keyer to US... | 23 | 11 | [
{
"comment_id": "4091989",
"author": "RÖB",
"timestamp": "2017-10-03T09:54:56",
"content": "@[Nomblr]Love it!It has the classic “because I can” hacker cred.Though I probably won’t be reproducing it to enter code lol.The chip on the breakout looks massively overpowered for the task but it obviously w... | 1,760,374,654.868828 | ||
https://hackaday.com/2017/10/02/accidental-satellite-hijacks-can-rebroadcast-cell-towers/ | Accidental Satellite Hijacks Can Rebroadcast Cell Towers | Jenny List | [
"Radio Hacks"
] | [
"gsm",
"interference",
"parasitic",
"satellite",
"transponder"
] | A lot of us will use satellite communications without thinking much about the satellite itself. It’s tempting to imagine that up there in orbit is a communications hub and distribution node of breathtaking complexity and ingenuity, but it might come as a surprise to some people that most communications satellites are s... | 21 | 7 | [
{
"comment_id": "4091664",
"author": "Ostracus",
"timestamp": "2017-10-03T05:26:14",
"content": "Welcome to another episode of Data Detectives.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4091712",
"author": "Sheldon",
"timestamp": "2017-1... | 1,760,374,655.049911 | ||
https://hackaday.com/2017/10/02/understanding-floating-point-numbers/ | Understanding Floating Point Numbers | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"exponent",
"floating point",
"mantissa"
] | People learn in different ways, but sometimes the establishment fixates on explaining a concept in one way. If that’s not your way you might be out of luck. If you have trouble internalizing floating point number representations, the Internet is your friend. [Fabian Sanglard] (author of Game Engine Black Book: Wolfenst... | 67 | 13 | [
{
"comment_id": "4091444",
"author": "modmanpaul",
"timestamp": "2017-10-03T02:22:52",
"content": "Great now I know I’m too dumb to understand it in two different ways. I guess I get sorta how its accomplished but I don’t understand if loosing a bit of precision is ok why can’t you truncate or round... | 1,760,374,655.213871 | ||
https://hackaday.com/2017/10/02/friction-differential-drive-is-a-laser-cut-triumph/ | Friction Differential Drive Is A Laser-Cut Triumph | Sonya Vasquez | [
"Robots Hacks"
] | [
"design",
"laser cutter",
"rapid prototyping",
"robotics",
"transmission"
] | Here on Hackaday, too often do we turn our heads and gaze at the novelty of 3D printing functional devices. It’s easy to forget that other techniques for assembling functional prototypes exist. Here, [Reuben] nails the aspect of functional prototyping with the laser cutter with a real-world application: a
roll-pitch fr... | 6 | 4 | [
{
"comment_id": "4091187",
"author": "Dave Davidson",
"timestamp": "2017-10-02T23:18:55",
"content": "GAH Left speaker Only OMG PUNCH SCREEN SO HARD.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4091216",
"author": "p",
"timestamp": "2017-1... | 1,760,374,655.362875 | ||
https://hackaday.com/2017/10/01/the-russians-and-the-americans-only-want-the-moon/ | The Russians And The Americans Only Want The Moon | Jenny List | [
"News"
] | [
"lunar space station",
"nasa",
"roscosmos",
"space",
"space exploration",
"space station"
] | For the generations who lived through the decades of the Space Race, the skies above were an exciting place. Every month it seemed there was a new announcement of a new mission, a Lunar landing, new pictures from a planetary probe, or fresh feats of derring-do from astronauts or cosmonauts. Space was
inspiring!
As we m... | 32 | 8 | [
{
"comment_id": "4088658",
"author": "DainBramage",
"timestamp": "2017-10-01T12:27:06",
"content": "The ISS, being modular, could last for as long as the agencies involved care to make it last by simply repairing and replacing modules as needed. (simple in concept but not so much in practice)The rea... | 1,760,374,655.622268 | ||
https://hackaday.com/2017/10/01/a-screwdriver-for-the-lazy/ | A Screwdriver For The Lazy | Al Williams | [
"Tool Hacks"
] | [
"es120",
"power screwdriver",
"screwdriver"
] | The TS100 soldering iron is a sleek handheld device with a tiny display. Now the same people behind it have introduced a motion-controlled screwdriver, the
ES120
. While we are fans of large electric screwdrivers for working on large projects, we aren’t sure we need a $90 screwdriver for little fasteners. However, if y... | 44 | 18 | [
{
"comment_id": "4088400",
"author": "John",
"timestamp": "2017-10-01T08:11:49",
"content": "Sounds like a solution looking for a problem.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4091641",
"author": "TGT",
"timestamp": "2017-10-03T05:0... | 1,760,374,655.554924 | ||
https://hackaday.com/2017/09/30/researchers-squeeze-out-a-new-breed-of-robot-locomotion/ | Researchers Squeeze Out A New Breed Of Robot Locomotion | Sonya Vasquez | [
"Robots Hacks"
] | [
"soft robot",
"vine",
"vine robot"
] | Researchers have been playing around with various oddball forms of robot locomotion; surely, we’ve seen it all, haven’t we? Not so! Lucky for us, [researchers at Stanford] are now showing us a new way for robots to
literally extrude themselves from point A to point B
.
This robot’s particular motion for mechanism invol... | 24 | 13 | [
{
"comment_id": "4088318",
"author": "Esel",
"timestamp": "2017-10-01T05:24:17",
"content": "I confess, I thought this was already being done. For example:http://www.dynamicdraintechnologies.com/fold-and-form-pipe-liner-vs-inversion-sewer-lining/But I guess the newness is the ability to direct the e... | 1,760,374,655.474114 | ||
https://hackaday.com/2017/09/30/emergency-cell-tower-on-a-budget/ | Emergency Cell Tower On A Budget | Brian McEvoy | [
"Cellphone Hacks"
] | [
"cell",
"cell phone",
"cellular",
"gsm",
"phone",
"sdr",
"software-defined radio",
"telephone",
"tower"
] | Cell phone towers are something we miss when we’re out of range, but imagine how we’d miss them if they had been destroyed by disastrous weather. In such emergencies it is more important than ever to call loved ones, and tell them we’re safe. [Matthew May] and [Brendan Harlow] aimed to make their own secure and open-so... | 22 | 7 | [
{
"comment_id": "4088211",
"author": "RW",
"timestamp": "2017-10-01T02:05:48",
"content": "Interesting…. might have to look into what I can abuse this for in conjunction with java app capable camera phones set up as security cameras… (Phones like the old razr v3 don’t have wifi.)",
"parent_id": ... | 1,760,374,655.721899 | ||
https://hackaday.com/2017/09/30/lameboy-is-handheld-gaming-on-the-esp8266/ | LAMEBOY Is Handheld Gaming On The ESP8266 | Mike Szczys | [
"handhelds hacks",
"Nintendo Game Boy Hacks"
] | [
"attiny85",
"blinkm",
"ESP8266",
"LAMEBOY",
"pcf8574"
] | We’ve had our eye on [davedarko’s]
LAMEBOY project
for a while now, a handheld setup in roughly the same form factor as the classic Nintendo Game Boy. It’s remarkable how approachable portable electronic design has become, and that’s really what makes this interesting. The design is beautiful, and the closer you look, ... | 11 | 6 | [
{
"comment_id": "4088143",
"author": "davedarko",
"timestamp": "2017-10-01T00:35:06",
"content": "Thank you for sharing this, Mike :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4088149",
"author": "Mike Szczys",
"timestamp": "2017-10-01T0... | 1,760,374,655.77192 | ||
https://hackaday.com/2017/09/30/hackaday-prize-entry-wheelchair-user-pressure-relief-indicator-system/ | Hackaday Prize Entry: Wheelchair User Pressure Relief Indicator System | Jenny List | [
"Medical Hacks"
] | [
"2017 Hackaday Prize",
"Hackaday Prize",
"paralysis",
"pressure sore exercises",
"pressure sores",
"WheelChair"
] | It is difficult to put yourself as an able-bodied person into the experiences of a person with a physical disability. Able-bodied people are quick with phrases such as “Confined to a wheelchair” with little idea of what that really means, and might be surprised to meet wheelchair users who would point out that far from... | 3 | 2 | [
{
"comment_id": "4087820",
"author": "teatmouse",
"timestamp": "2017-09-30T22:21:57",
"content": "Cool project and definitely affordable. Hope they can dev (though it looks like a hobbyist could probably replicate it) it themselves so we don’t have medical equipment pricing to contend with.Kudos :)... | 1,760,374,655.662577 | ||
https://hackaday.com/2017/09/30/led-princess-dress-also-lights-up-girls-face/ | LED Princess Dress Also Lights Up Girl’s Face | Kristina Panos | [
"LED Hacks",
"Wearable Hacks"
] | [
"halloween costume",
"rechargeable batteries",
"RGB LED"
] | We’re pretty sure that [Luke] took Uncle of the Year last Halloween when
he made an RGB LED princess dress for his niece
. He recently found the time to document the build with a comprehensive how-to that’s just in time for Halloween ’17.
[Luke] made the system modular so that his niece could use it with any dress. The... | 14 | 7 | [
{
"comment_id": "4087732",
"author": "Mark",
"timestamp": "2017-09-30T20:10:48",
"content": "Love it. Hot glue and all.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4087879",
"author": "fhunter",
"timestamp": "2017-09-30T22:43:51",
"content": "Th... | 1,760,374,655.818233 | ||
https://hackaday.com/2017/09/29/hackaday-prize-entry-ebers-diabetes-care-step-by-step/ | Hackaday Prize Entry: Ebers – Diabetes Care, Step By Step | Lewin Day | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"diabetes",
"feet",
"infection",
"plantar",
"sensing"
] | Diabetes is a disease that, among other things, has significant effects on the feet due to a combination of neuropathy, vascular issues, and other factors. You may have seen special diabetes socks with features like non-elasticated cuffs for better circulation and a lack of seams to prevent the formation of blisters. T... | 1 | 1 | [
{
"comment_id": "4086464",
"author": "Gravis",
"timestamp": "2017-09-30T02:08:24",
"content": "Holy shit… there is no warning on that project but if you click through it has a still image for the video showing someone with a big chuck of missing foot. I’m not lightweight but I was unprepared and th... | 1,760,374,655.959843 | ||
https://hackaday.com/2017/09/29/were-using-the-word-firmware-wrong/ | We’re Using The Word Firmware Wrong | Mike Szczys | [
"Hackaday Columns",
"Interest",
"Slider"
] | [
"definition",
"dictionary",
"firmware",
"indelible",
"rom",
"software",
"vernacular"
] | I had an interesting discussion the other day about code written for an embedded system. I was speaking with Voja Antonic about ‘firmware’. The conversation continued forward but I noticed that he was calling it ‘software’. We later discussed it and Voja told me he thought only the parts of the code directly interactin... | 123 | 38 | [
{
"comment_id": "4085840",
"author": "David Bird",
"timestamp": "2017-09-29T17:10:34",
"content": "I sort of agree, but firmware is always held in non-volatile storage whereas software is always held in RAM that is volatile. SO on that basis most (at micro-controller) code in this context is firmwar... | 1,760,374,658.492645 | ||
https://hackaday.com/2017/09/29/earth-rovers-explore-our-own-planet/ | Earth Rovers Explore Our Own Planet | Bryan Cockfield | [
"Robots Hacks"
] | [
"car",
"earth",
"exploration",
"explore",
"mars",
"raspberry pi",
"remote control",
"robot",
"rover"
] | While Mars is currently under close scrutiny by NASA and other space agencies, there is still a lot of exploring to do here on Earth. But if you would like to explore a corner of our own planet in the same way NASA that explores Mars, it’s possible to send your own rover to a place and have it send back pictures and da... | 17 | 4 | [
{
"comment_id": "4085789",
"author": "Norbert Heinz",
"timestamp": "2017-09-29T15:43:47",
"content": "Thanks Bryan for promoting my project!I have released R6 in my backyard right now to give you a chance for a test ride. It’s transmitting in black and white images because I am still experimenting w... | 1,760,374,658.282934 | ||
https://hackaday.com/2017/09/29/the-hackers-and-the-hurricane/ | The Hackers And The Hurricane | Jenny List | [
"Current Events",
"Featured",
"News"
] | [
"ARRL",
"disaster response",
"disater aid",
"hurricane",
"puerto rico",
"Red Cross"
] | When natural disasters strike, particularly if they are in some of the less remote parts of the world, we see them unfolding in real-time on our television screens. They become a 24-hour rolling news exercise in disaster titillation, each fresh horror ghoulishly picked over by breathless reporters live-telecasting from... | 7 | 5 | [
{
"comment_id": "4085726",
"author": "Charlie Lindahl",
"timestamp": "2017-09-29T14:11:58",
"content": "Please visit and support the new Entrepreneurs for Houston site @http://entrepreneursforhouston.org/. Mission statement:The E4H Fund provides individuals, corporations, and foundations with the op... | 1,760,374,657.724532 | ||
https://hackaday.com/2017/09/29/oled-hacked-power-bank/ | OLED Hacked Power Bank | Pedro Umbelino | [
"hardware"
] | [
"18650",
"mi bank",
"oled",
"usb power bank"
] | In a feat of over-engineering, [Everett Bradford] hacked his power bank to add power monitor via an OLED display to show live current, voltage, temperature, and capacity information. The idea came when he learned about the INA219 chip. The INA219 is a current shunt and power monitor IC with an I²C or SMBUS compatible i... | 20 | 9 | [
{
"comment_id": "4085614",
"author": "Dave Davidson",
"timestamp": "2017-09-29T11:52:32",
"content": "That’s nicely done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4085623",
"author": "Notimpressed",
"timestamp": "2017-09-29T12:03:18",
"conten... | 1,760,374,657.901829 | ||
https://hackaday.com/2017/09/29/hand-carving-geometric-art/ | Hand-Carving Geometric Art | John Baichtal | [
"Misc Hacks"
] | [
"cuboctahedron",
"geometry",
"icosatetrahedron",
"math",
"polyhedrons",
"wood",
"woodcarving"
] | [Scott Cramer] is a retired professional woodworker who specializes in geometric art made from beautifully joined wood. In this project he’s carving four interlocked cloverleaf rings from a block of basswood. First he made a series of cuts to turn the block into a cuboctahedron, a geometric solid comprising six squares... | 5 | 5 | [
{
"comment_id": "4085444",
"author": "djsmiley2k",
"timestamp": "2017-09-29T08:14:25",
"content": "That is a beautiful thing. I’d love to try and do something like this…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4085528",
"author": "none",
"timest... | 1,760,374,658.015271 | ||
https://hackaday.com/2017/09/28/military-satellite-goes-civilian/ | Military Satellite Goes Civilian | Richard Baguley | [
"Radio Hacks"
] | [
"amateur radio",
"satellite",
"space"
] | Space may be the final frontier, but that doesn’t mean we all get to explore it. Except, perhaps by radio, as the US Air Force has just demobbed a satellite and handed it over to the public to use.
FalconSAT-3
was built and used by students at the
US Air Force Academy (USAFA)
as part of their training, then launched in... | 32 | 13 | [
{
"comment_id": "4085329",
"author": "lightningstalker",
"timestamp": "2017-09-29T05:07:47",
"content": "This is great news! APRS satellites have been sorely lacking in recent years since some have reentered and others have developed battery problems. APRS is great way to get kids interested in amat... | 1,760,374,658.141489 | ||
https://hackaday.com/2017/10/04/quick-and-easy-ntp-clock/ | Quick And Easy NTP Clock | Rich Hawkes | [
"clock hacks"
] | [
"clock",
"ESP32",
"oled",
"platformio"
] | [Danman] got an ESP32 with built-in OLED display, and in the process of getting a clock up and running and trying to get a couple of NodeMCU binaries installed on it, thought
he’d try rolling his own
.
[Danman] used PlatformIO to write the code to his ESP. PlatformIO allowed [Danman] to browse for a NTP library and loa... | 15 | 5 | [
{
"comment_id": "4093917",
"author": "dave",
"timestamp": "2017-10-04T09:05:10",
"content": "Wow! with an OLED this is gobs of hackable capability in a small low power package!We are clearly in a pretty cool future timeline with all of this cheap, awesome, & w/free shipping stuff like this, I wonder... | 1,760,374,658.330091 | ||
https://hackaday.com/2017/10/03/this-synth-is-okay/ | This Synth Is Okay | Brian Benchoff | [
"Musical Hacks"
] | [
"555",
"cd4040",
"synth",
"synthesizer"
] | While this 3D printed synthesizer might just be okay, we’re going to say it’s better than that. Why?
[oskitone] did something with a 555 timer
.
The Okay synth from [oskitone] uses a completely 3D printed enclosure. Even the keys are printed. Underneath these keys is a small PCB loaded up with tact switches and small p... | 18 | 6 | [
{
"comment_id": "4093765",
"author": "Jan",
"timestamp": "2017-10-04T06:44:15",
"content": "that looks pretty nice, did not expect the large yellow box to be printed to, but it is! Very nice project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4093815",
... | 1,760,374,658.074252 | ||
https://hackaday.com/2017/10/03/over-engineered-mailbox-flag-machined-using-under-engineered-mini-lathe/ | Over-Engineered Mailbox Flag Machined Using Under-Engineered Mini-Lathe | Anool Mahidharia | [
"hardware"
] | [
"flag",
"lathe",
"mailbox",
"mini lathe",
"neodymium",
"neodymium magnet"
] | [Tim Nummy] used his cheap, Chinese, bench mini-lathe to
make a non-terrible mailbox flag holder
(YouTube video, embedded below). Tim posts videos on his channel about garage hobby projects, many of which are built using his mini-lathe, often based on suggestions from his followers. One such suggestion was to do someth... | 55 | 11 | [
{
"comment_id": "4093496",
"author": "rnjacobs",
"timestamp": "2017-10-04T02:20:34",
"content": "Neodymium magnet outdoors?https://commons.wikimedia.org/wiki/File:NdFeB_corrosion.jpgNot the best plan.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4093793",
... | 1,760,374,658.23105 | ||
https://hackaday.com/2017/10/03/homemade-electric-quad-bike/ | Impressive Electric Quad Bike | Richard Baguley | [
"News"
] | [
"ebike",
"electric bike"
] | [EV4] is a small Polish company that makes electric vehicles, like
this rather cool electric quad
It’s an impressive build, including two 1 kW motors and a tilting turning system that makes it more maneuverable than most quad bikes. It has big, wide tires, a raised battery and longitudinal arms that mean it can climb o... | 37 | 18 | [
{
"comment_id": "4093292",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-10-03T23:21:31",
"content": "Quad meaning 4, and bi meaning 2… shouldn’t this thing have 8 wheels to qualify as a “quad bike”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "409331... | 1,760,374,657.975692 | ||
https://hackaday.com/2017/10/03/drag-your-office-aircon-into-the-21st-century-with-wi-fi-control/ | Drag Your Office Aircon Into The 21st Century With Wi-Fi Control | Jenny List | [
"home hacks"
] | [
"air conditioning",
"aircon",
"ESP8266",
"NodeMCU"
] | We’ll all have worked in offices that have air-conditioning, but a little
too much
of it. It’s wonderful on a baking-hot day to walk into the blessèd cool of an air-conditioned office, but after an hour or two of the icy blast you’re shivering away in your summer clothing and you skin has dried out to a crisp. Meanwhil... | 32 | 4 | [
{
"comment_id": "4093018",
"author": "RM",
"timestamp": "2017-10-03T20:31:58",
"content": "Giving people more control of the HVAC in an office seems like a terrible idea to me.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4093267",
"author": "Maya ... | 1,760,374,658.588856 | ||
https://hackaday.com/2017/10/03/hackaday-prize-entry-telepresence-with-the-black-mirror-project/ | Hackaday Prize Entry: Telepresence With The Black Mirror Project | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"augmented reality",
"metaverse",
"telepresence",
"virtual reality",
"vr"
] | The future is VR, or at least that’s what it was two years ago. Until then, there’s still plenty of time to experiment with virtual worlds, the Metaverse, and other high-concept sci-fi tropes from the 80s and 90s. Interactive telepresence is what the
Black Mirror Project
is all about. Their plan is to create interactiv... | 12 | 4 | [
{
"comment_id": "4092856",
"author": "RW",
"timestamp": "2017-10-03T18:48:29",
"content": "After I stripped the buzzwords, all I ended up with was…https://upload.wikimedia.org/wikipedia/commons/f/fe/France_in_XXI_Century._Correspondance_cinema.jpg",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,658.638537 | ||
https://hackaday.com/2017/10/03/teaching-electronics-with-a-breadboard-badge/ | Teaching Electronics With A Breadboard Badge | Brian Benchoff | [
"cons",
"Hackaday Columns"
] | [
"2017 Maker Faire New York",
"badgelife",
"MFNY17",
"World Maker Faire"
] | Over the last year, the production of homebrew electronic badges for conferences has exploded. This is badgelife — the creation of custom hardware, a trial by fire of manufacturing, and a mountain of blinky LEDs rendered in electronic conference badges. It’s the demoscene for hardware, and all the cool kids are getting... | 19 | 9 | [
{
"comment_id": "4092796",
"author": "Ghost Wolf",
"timestamp": "2017-10-03T17:55:38",
"content": "This is a badge that I can work with. Lovely.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4092816",
"author": "Max",
"timestamp": "2017-10-03T18:07:12... | 1,760,374,658.701401 | ||
https://hackaday.com/2017/09/28/mini-drill-made-from-a-motor/ | Mini Drill Made From A Motor | John Baichtal | [
"hardware"
] | [
"dc motor",
"drill",
"drill chuck",
"usb"
] | We love this hacked-together
mini drill
by [BuenaTec] that uses a DC7.2V 10K-RPM motor with a 1/8” Dremel chuck added on. Power is supplied by a USB-A cable with the data wires cut off, with a switch controlling the voltage and a rectifier diode protecting the USB port or battery pack from back voltage from the motor.
... | 58 | 22 | [
{
"comment_id": "4083902",
"author": "brian",
"timestamp": "2017-09-28T11:14:18",
"content": "WTF HaD? I see fast quality content decline in recent years, not to mention HaD from ten year ago are gone.I even remember days when being featured on HaD mean something like Oscar for hardware hacker. Fut... | 1,760,374,658.914366 | ||
https://hackaday.com/2017/09/28/laser-cut-modular-toolbox/ | Laser-Cut Modular Toolbox | John Baichtal | [
"Tool Hacks"
] | [
"carrier",
"laser cut",
"toolbox",
"tools"
] | [ystoelen] created this
modular wooden toolbox
out of laser-cut 5mm plywood secured with leather hinges bolted into place. The leather strips secure the various tool boards with grommets connecting to plastic plugs. The toolboards use cross-shaped holes with laser-cut plugs and strips of elastic securing the tools, all... | 15 | 7 | [
{
"comment_id": "4083624",
"author": "ThisGuy",
"timestamp": "2017-09-28T08:51:21",
"content": "“Usually the problem with a box full of tools is that you’ve overloaded it and can’t readily lift it up.”If your toolbox is so overloaded it’s not lift-able anymore, it’s time for either a toolcart with w... | 1,760,374,659.068209 | ||
https://hackaday.com/2017/09/27/lock-in-amplifiers/ | Lock In Amplifiers | Al Williams | [
"Featured",
"how-to"
] | [
"amplifier",
"filter",
"Fourier",
"lock in amplifier"
] | If you have about an hour to kill, you might want to check out [Shahriar’s]
video
about the Stanford Research SR530 lock in amplifier (see below). If you know what a lock in amplifier is, it is still a pretty interesting video and if you don’t know, then it really is a must see.
Most of the time, you think of an amplif... | 19 | 9 | [
{
"comment_id": "4083455",
"author": "Ostracus",
"timestamp": "2017-09-28T05:06:49",
"content": "“The math behind the amplifier is mostly trig, although there is a little calculus involved.”Hold on. *takes swig of beer* Continue.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,659.328356 | ||
https://hackaday.com/2017/09/27/an-arduino-weather-station-with-an-e-ink-display/ | An Arduino Weather Station With An E-Ink Display | Jenny List | [
"Arduino Hacks"
] | [
"Arduino Uno",
"e-ink",
"weather forecast",
"weather station"
] | For our Northern Hemisphere readers the chill winds of winter are fast approaching, so it seems appropriate to feature a weather station project. Enjoy your summer, Southern readers!
[Fandonov] has created
a weather station project
with an Arduino Uno at its heart and a Waveshare e-ink display as its face to the world,... | 18 | 7 | [
{
"comment_id": "4083373",
"author": "echodelta",
"timestamp": "2017-09-28T02:28:51",
"content": "After a comment from a hurricane stricken Floridian who was irked by the pretty pictures type of info given by “TV” in the Florida mess instead of stats, here are more broken clumped circles. Pretty pic... | 1,760,374,659.129586 | ||
https://hackaday.com/2017/09/27/a-robot-that-can-still-keep-its-balance-after-a-night-in-the-pub/ | A Robot That Can Still Keep Its Balance After A Night In The Pub | Jenny List | [
"Robots Hacks"
] | [
"ESP32",
"london unconference",
"self balancing",
"Self Balancing Robot"
] | One of the star attractions at the recent bring-a-hack prior to our London unconference was
[Dan]’s two-wheeled self-balancing robot
. As the assorted masses of the Hackaday readership consumed much fine ale and oohed and ahhed over each others work, there it stood on a pub table, defying all attempts to topple it.
In ... | 6 | 4 | [
{
"comment_id": "4083315",
"author": "Saabman",
"timestamp": "2017-09-28T00:23:12",
"content": "What would be cool would be to have it “drink”beer and as the level of beer rises in its stomach it’s stability decreases and starts to wobble about.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,374,659.367947 | ||
https://hackaday.com/2017/09/27/hackaday-prize-entry-toowheels-the-open-source-wheelchair/ | Hackaday Prize Entry: TooWheels, The Open Source Wheelchair | Anool Mahidharia | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"cnc",
"disability",
"lasercut",
"physical disability",
"sport",
"wheel chair",
"WheelChair"
] | The Assistive Technology challenge of the Hackaday Prize received a large number of projects addressing many socially relevant problems. Mobility and transportation needs are a big challenge for those with limb disabilities. Not every country has proper, state-subsidised health care systems, and for many people in thir... | 17 | 9 | [
{
"comment_id": "4083131",
"author": "starhawk",
"timestamp": "2017-09-27T20:18:15",
"content": "Hey, do you guys know about this…?https://www.plasticsmakeitpossible.com/whats-new-cool/healthcare/plastic-wheelchairs-deliver-mobility-to-developing-nations/",
"parent_id": null,
"depth": 1,
... | 1,760,374,659.270828 | ||
https://hackaday.com/2017/09/27/have-some-candy-while-i-steal-your-cycles/ | Have Some Candy While I Steal Your Cycles | Mike Szczys | [
"internet hacks",
"News"
] | [
"browser mining",
"CBS",
"cryptocurrency",
"distributed computing",
"javascript",
"mining",
"Monero",
"Showtime"
] | Distributed computing is an excellent idea. We have a huge network of computers, many of them always on, why not take advantage of that when the user isn’t? The application that probably comes to mind is
Folding@home
, which lets you donate your unused computer time to help crunch the numbers for disease research. Ever... | 46 | 14 | [
{
"comment_id": "4083100",
"author": "Josh",
"timestamp": "2017-09-27T19:30:44",
"content": "“Sweat treat?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4083119",
"author": "Juan Rodriguez",
"timestamp": "2017-09-27T19:59:28",
"cont... | 1,760,374,659.211932 | ||
https://hackaday.com/2017/09/28/calculus-in-20-minutes/ | Calculus In 20 Minutes | Al Williams | [
"Engineering"
] | [
"calculus",
"differentiation",
"integration"
] | If you went to engineering school, you probably remember going to a lot of calculus classes. You may or may not remember a lot of calculus. If you didn’t go to engineering school, you will find that there’s an upper limit to how much electronics theory you can learn before you have to learn calculus. Now imagine Khan A... | 56 | 25 | [
{
"comment_id": "4085227",
"author": "richfiles",
"timestamp": "2017-09-29T02:14:39",
"content": "Somehow, i managed to somehow miss calculus all through high school AND college… Not even sure how that worked…I might check these out…",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,374,659.507427 | ||
https://hackaday.com/2017/09/28/pitmaster-bbq-dashboard-monitors-your-meat-and-veggies/ | Pitmaster BBQ Dashboard Monitors Your Meat And Veggies | Richard Baguley | [
"cooking hacks"
] | [] | Barbecue is all about temperature, about making sure that whatever is on the grill reaches the right temperature. At least, that is the part that makes sure you don’t poison people, because your food should get hot enough to kill any bacteria. [Chris Aquino] decided to take this a step further than simply sticking a th... | 7 | 2 | [
{
"comment_id": "4085088",
"author": "Carlos Henrique",
"timestamp": "2017-09-28T23:30:53",
"content": "I really liked this idea, pity that Brazil will not be here to invent something like this. Even so, it is also very banking and very super practical.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,659.414232 | ||
https://hackaday.com/2017/09/28/part-soldering-iron-part-hand-held-oscilloscope/ | Part Soldering Iron, Part Hand-Held Oscilloscope | Jenny List | [
"Tool Hacks"
] | [
"handheld oscilloscope",
"oscilloscope",
"soldering iron",
"ts-100"
] | If you are in the market for a temperature controlled soldering iron, an attractive choice of the moment is the TS-100 iron available by mail-order from China. This is an all-in-one iron with a digital temperature controller built into its handle, featuring a tiny OLED display. It’s lightweight, reasonable quality, and... | 27 | 13 | [
{
"comment_id": "4084908",
"author": "RF Dweeb",
"timestamp": "2017-09-28T20:22:05",
"content": "Wow, this sounds super handy! I may get one of these little irons now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4084936",
"author": "Brad",
"timestam... | 1,760,374,659.610769 | ||
https://hackaday.com/2017/09/28/hackaday-prize-entry-visioneer-sensor-hud/ | Hackaday Prize Entry: Visioneer Sensor HUD | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technolgy",
"obstacle avoidance",
"opencv",
"pi zero"
] | Only about two percent of the blind or visually impaired work with guide animals and assistive canes have their own limitations. There are wearable devices out there that take sensor data and turn the world into something a visually impaired person can understand, but these are expensive.
The Visioneer
is a wearable de... | 4 | 1 | [
{
"comment_id": "4085146",
"author": "Whatnot",
"timestamp": "2017-09-29T00:39:32",
"content": "That’s a LOT of processing for a simple RasPi, in fact it’s too much to not be annoying as hell with lag I expect.Although, to be fair, the writeup here says ” two cameras, sensors, a Pi Zero” when in fac... | 1,760,374,659.547092 | ||
https://hackaday.com/2017/09/28/retrotechtacular-an-oceanographic-data-station-buoy-for-the-1960s/ | Retrotechtacular: An Oceanographic Data Station Buoy For The 1960s | Jenny List | [
"Retrotechtacular"
] | [
"meteorology",
"retrotechtacular",
"weather buoy",
"weather station"
] | When we watch a TV weather report such as the ones that plaster our screens during hurricane season, it is easy to forget the scale of the achievement they represent in terms of data collection and interpretation. Huge amounts of data from a diverse array of sources feed weather models running on some of our most power... | 15 | 4 | [
{
"comment_id": "4084597",
"author": "Ostracus",
"timestamp": "2017-09-28T18:11:36",
"content": "Well that bit of information certainly floated to the top of our attention.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4084609",
"author": "Queeg",
"ti... | 1,760,374,659.66257 | ||
https://hackaday.com/2017/09/28/classic-british-phone-gets-a-google-makeover/ | Classic British Phone Gets A Google Makeover | Dan Maloney | [
"Phone Hacks",
"Raspberry Pi"
] | [
"desk phone",
"Google AIY",
"google voice",
"GPO",
"GPO-746",
"landline",
"retro",
"rotary dial"
] | It may seem like an odd concept to younger readers, but there was once a time when people rented their phones rather than buying them outright. Accordingly, these phones were built like tanks, and seeing one of these sturdy classics of midcentury modern design can be a trip down memory lane for some of us. So
retrofitt... | 20 | 9 | [
{
"comment_id": "4084348",
"author": "zakqwy",
"timestamp": "2017-09-28T15:51:33",
"content": "Ten CdS cells! Whodathunkit. Nifty tech, I remember tearing down a similar looking (but beige) phone and the mechanism was quite a bit different.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,660.293007 | ||
https://hackaday.com/2017/09/28/there-is-no-parity-chien-shiung-wu/ | There Is No Parity: Chien-Shiung Wu | Will Sweatman | [
"Featured",
"History",
"Original Art"
] | [
"Nobel",
"parity",
"particle accelerator",
"physics",
"quantum physics"
] | Hold out your hands in front of you, palms forward. They look quite similar, but I’m sure you’re all too aware that they’re actually mirror images of each other. Your hands are chiral objects, which means they’re asymmetric but not superimposable. This property is quite interesting when studying the physical properties... | 68 | 19 | [
{
"comment_id": "4084252",
"author": "Matt",
"timestamp": "2017-09-28T14:14:27",
"content": "Great article!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4084254",
"author": "CE",
"timestamp": "2017-09-28T14:16:51",
"content": "Interesting story, ... | 1,760,374,660.170949 | ||
https://hackaday.com/2017/09/27/friday-hack-chat-all-about-led-design/ | Friday Hack Chat: All About LED Design | Brian Benchoff | [
"Hackaday Columns"
] | [
"Hack Chat",
"led",
"LED Design",
"lighting"
] | There are three great enabling technologies of the last twenty years. The first is lithium batteries that hold a lot of juice. Quadcopters wouldn’t exist without them, and the Tesla Model S wouldn’t either. The second is crazy powerful brushless motors. Here, again, quads wouldn’t exist without them, but we’re also get... | 13 | 3 | [
{
"comment_id": "4083026",
"author": "Ostracus",
"timestamp": "2017-09-27T18:28:26",
"content": "I think it’s an understatement at what LEDS have done. Not just in efficiency, but in design. Places lighting would have never been before, as well as places it would, but better. Lighting that can be dr... | 1,760,374,659.89879 | ||
https://hackaday.com/2017/09/27/beamcnc-computer-controlled-construction-system-mill/ | BeamCNC: Computer-Controlled Construction System Mill | John Baichtal | [
"cnc hacks",
"Hackaday Columns"
] | [
"BeamCNC",
"cnc",
"drill",
"drill press",
"grid beam",
"robot drill press",
"router",
"stepper"
] | Need to make something quick and dirty out of wooden beams, and want to use elements you know will work together?
BeamCNC
is a mobile assembly of stepper-controlled rollers and a router that sucks a 2×2 through it and drills the holes in pre-programmed intervals. Currently being developed as part of an Indiegogo campai... | 8 | 4 | [
{
"comment_id": "4082959",
"author": "Rhys",
"timestamp": "2017-09-27T17:36:52",
"content": "I see this, and it looks cool. But on the flip side, why not use a single stepper to drive a set of pinch rollers mounted to the bed of a drill press, and a second stepper with chain drive to the head lower... | 1,760,374,659.948207 | ||
https://hackaday.com/2017/09/27/trike-with-water-rocket-engine/ | Trike With Water-Rocket Engine | Brian McEvoy | [
"Transportation Hacks"
] | [
"acceleration",
"alternative",
"engine",
"fast",
"fuel",
"motorcycle",
"RACE",
"rocket",
"rocket engine",
"track",
"trike",
"water",
"water trike"
] | Many of us made soda bottle rockets for science class. Some of us didn’t have that opportunity, and made them in the backyard because that’s what cool kids do. Water rockets work on the premise that if water is evacuated from one side of a container, the container will accelerate away from the evacuation point. Usually... | 32 | 15 | [
{
"comment_id": "4082879",
"author": "Wretch",
"timestamp": "2017-09-27T16:07:24",
"content": "Dang! Take that, Tesla! (c:",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4082904",
"author": "Olsen",
"timestamp": "2017-09-27T16:29:20",
"content": ... | 1,760,374,660.235416 | ||
https://hackaday.com/2017/09/27/all-the-speakers-plus-were-heating-it-up-a-day-early/ | All The Speakers Plus We’re Heating It Up A Day Early | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"friday",
"speakers",
"Supercon",
"tickets"
] | Things are getting real now. Check the list below for the last round of confirmed speakers to the
2017 Hackaday Superconference
. This brings our slate of speakers to 32, but we’re not done yet.
Hackaday is adding an extra day to the Superconference by starting the festivities on Friday. Again this year we have an exce... | 5 | 2 | [
{
"comment_id": "4082974",
"author": "Adam",
"timestamp": "2017-09-27T17:46:42",
"content": "man now I’m super bummed it costs too much to go",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4083046",
"author": "Todd Zebert (@ToddZebert)",
"tim... | 1,760,374,660.34971 | ||
https://hackaday.com/2017/09/27/surviving-hurricanes/ | The Engineering That Survives Hurricanes | Bryan Cockfield | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"building code",
"concrete",
"design",
"House",
"hurricane",
"roof",
"shutters",
"wind",
"windows"
] | Florida is a great place to live, especially around January when it’s sunny and 24 degrees outside (76F) while all of your friends from back home are dealing with scraping ice off of their windshields every morning. In the late summer, though, this pleasant tropical paradise can sometimes take a turn for the worse, bec... | 84 | 24 | [
{
"comment_id": "4082778",
"author": "Internet",
"timestamp": "2017-09-27T14:29:00",
"content": "“[S]ome storms like Hurricane Harvey are so unprecedented that there is often nothing that could have been done that would have improved the situation at all.”Uhh. Wait. What?",
"parent_id": null,
... | 1,760,374,660.471941 | ||
https://hackaday.com/2017/09/27/monstrous-usb-power-bank/ | Monstrous USB Power Bank | James Hobson | [
"hardware"
] | [
"18650",
"battery",
"duct tape",
"fire extinguisher",
"lithium",
"power",
"power bank",
"usb"
] | At some point, cleaning out the spare parts bin — or cabinet, or garage — becomes a necessity. This is dangerous because it can induce many more project ideas and completely negate the original purpose. [Chaotic Mind], considering the pile of batteries he’s collected over the past decade, decided that instead of throw... | 57 | 19 | [
{
"comment_id": "4082607",
"author": "Chris",
"timestamp": "2017-09-27T11:14:15",
"content": "Since the cells are in parallel, no charge balancing is necessary. Especially at the extremely low loads he’s using.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,660.621881 | ||
https://hackaday.com/2017/09/27/pid-controlled-charcoal-bbq-put-an-arduino-on-it/ | PID Controlled Charcoal BBQ – Put An Arduino On It! | Bob Baddeley | [
"cooking hacks"
] | [
"arduino",
"cooking",
"pid",
"pid control",
"PID heat control",
"thermocouple"
] | At Maker Faire Milwaukee this past weekend, [basement tech] was showing off his latest build,
a PID controlled charcoal grill
. While it hasn’t QUITE been tested yet with real food, it does work in theory.
PID (a feedback loop with some fancy math used to adjust the input to get a consistent output) controlled cooking... | 19 | 10 | [
{
"comment_id": "4082524",
"author": "Andy",
"timestamp": "2017-09-27T08:53:10",
"content": "Nice, I’m on the way to doing the same to control a metal melting furnace :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4424688",
"author": "abuharsky",
... | 1,760,374,660.52828 | ||
https://hackaday.com/2017/09/26/smooth-and-steady-cuts-with-an-improvised-power-feeder/ | Smooth And Steady Cuts With An Improvised Power Feeder | Dan Maloney | [
"Tool Hacks"
] | [
"BLDC",
"brushless",
"drill",
"lathe",
"machine",
"power feeder",
"table saw",
"woodshop",
"woodworking"
] | Some woodworking operations require stock to be fed at a smooth, steady rate, for which purpose a power feeder is usually employed. They’re expensive bits of gear, though, and their cost can usually be borne only by high-output production shops. But when you need one, you need one, and
hacking a power feeder from a dri... | 4 | 2 | [
{
"comment_id": "4082556",
"author": "echodelta",
"timestamp": "2017-09-27T09:50:08",
"content": "A somewhat tamed table saw. Hand and finger friendly. I didn’t know they made BLDC motor drills.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4082952",
... | 1,760,374,660.663126 | ||
https://hackaday.com/2017/09/26/the-linux-fpga/ | The Linux FPGA | Al Williams | [
"ARM",
"FPGA",
"Linux Hacks"
] | [
"arm",
"fpga",
"linux",
"Zynq"
] | It was never unusual to have a CPU and an FPGA together. After all, each has different strengths and weaknesses. However, newer devices like the Xilinx Zynq have both a CPU and an FPGA in the same package. That means your design has to span hardware, FPGA configurations, and software. [Mitchell Orsucci] was using a Zyn... | 15 | 10 | [
{
"comment_id": "4082273",
"author": "onebiozz",
"timestamp": "2017-09-27T02:36:51",
"content": "i think i have one of these laying around from years back, or am i thinking of something else?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4082733",
"... | 1,760,374,660.758417 | ||
https://hackaday.com/2017/09/26/where-can-you-fly-worldwide-drone-laws-mapped/ | Where Can You Fly? Worldwide Drone Laws Mapped | Jenny List | [
"drone hacks"
] | [
"drone",
"drone laws",
"international drone laws",
"multirotor"
] | If you are a flier of a multirotor, or drone, you should be painfully aware of the regulations surrounding them wherever you live, as well as the misinformation and sometime bizarre levels of hysteria from uninformed people over their use.
Should you travel with your drone, you will also probably be resigned to being i... | 10 | 7 | [
{
"comment_id": "4081961",
"author": "Dan",
"timestamp": "2017-09-27T00:04:43",
"content": "That is almost useless as most country’s laws are applied differently according to complex zone boundaries. Australia has a much better system for people to know exactly what they can do in any given location... | 1,760,374,660.706798 | ||
https://hackaday.com/2017/09/26/cheap-diy-midi-to-usb-adapter/ | Cheap DIY MIDI To USB Adapter | Anool Mahidharia | [
"Musical Hacks"
] | [
"atmega32u4",
"AVR",
"lufa",
"midi",
"Midi adapter",
"pro micro",
"usb midi"
] | [Joonas] became frustrated with cheap but crappy MIDI to USB converters, and the better commercial ones were beyond his budget. He used a Teensy LC to build one for himself and it did the job quite well. But he needed several converters, and using the Teensy LC was going to cost him a lot more than he was willing to sp... | 14 | 8 | [
{
"comment_id": "4081741",
"author": "rnjacobs",
"timestamp": "2017-09-26T20:41:34",
"content": "His use of 32150 baud instead of the standard 31250 is almost exactly the 3% fast that is the margin of error for 8n1 asynchronous serial.The ATmega32 is running off a 16MHz clock, the UART’s rates are q... | 1,760,374,660.829795 | ||
https://hackaday.com/2017/09/26/hackaday-prize-entry-adaptive-guitar/ | Hackaday Prize Entry: Adaptive Guitar | Steven Dufresne | [
"Musical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"actuator",
"force sensitive resistor",
"guitar",
"linear actuator",
"pick"
] | Due to a skiing accident, [Joe]’s new friend severed the motor nerves controlling her left arm. Sadly she was an avid musician who loved to play guitar — and of course, a guitar requires two hands. Or does it? Pressing the string to play the complex chords is more easily done using fingers, but strumming the strings co... | 10 | 9 | [
{
"comment_id": "4081577",
"author": "echodelta",
"timestamp": "2017-09-26T19:07:35",
"content": "Strumming isn’t the only way to play the guitar. Self sustaining tech can be used. My steel two string can be played with one hand. Since I am not a guitar player I picked up playing with my right hand ... | 1,760,374,660.873945 | ||
https://hackaday.com/2017/09/26/return-to-the-asus-tinker-board-have-six-months-changed-anything/ | Return To The Asus Tinker Board: Have Six Months Changed Anything? | Jenny List | [
"Hackaday Columns",
"Reviews",
"Slider"
] | [
"Asus",
"asus tinker board",
"single board computer",
"Tinker Board"
] | The Asus Tinker Board, in all its glory
Back in February this year, we ordered a new single board computer, and reviewed it. The board in question was the Asus Tinker Board, a Raspberry Pi 3 competitor from the electronics giant in a very well-executed clone of the Raspberry Pi form factor.
Our review
found its hardwar... | 70 | 17 | [
{
"comment_id": "4081574",
"author": "komradebob",
"timestamp": "2017-09-26T18:57:41",
"content": "I recently spun mine up as well and loaded up the 2.0.1 version of the OS. It’s been as good as anything else on the machine.http://dlcdnet.asus.com/pub/ASUS/mb/Linux/Tinker_Board_2GB/20170817-tinker-b... | 1,760,374,661.220913 | ||
https://hackaday.com/2017/09/26/sector67-hackerspace-rocked-by-explosion-at-new-location/ | Sector67 Hackerspace Rocked By Explosion At New Location | Bob Baddeley | [
"Hackerspaces",
"News"
] | [
"explosion",
"fire",
"hackerspace",
"tragedy"
] | Madison, WI hackerspace
Sector67
is in a period of transition as they move from their current rented location to a new property that will be their permanent home a half mile away. Last Wednesday (September 20, 2017) an
unfortunate propane explosion in the new building
led to the injury of Chris Meyer, the founder and d... | 32 | 10 | [
{
"comment_id": "4081363",
"author": "djsmiley2k",
"timestamp": "2017-09-26T15:37:07",
"content": "It’s great that people are raising money for the hacker space, but I’m left wondering (maybe due to the media projecting it how they want to) that in america, if something bad happens to you like this,... | 1,760,374,661.504815 | ||
https://hackaday.com/2017/09/26/an-introduction-to-solid-state-relays/ | An Introduction To Solid State Relays | Sean Boyce | [
"Featured",
"home hacks",
"Parts",
"Skills",
"Slider"
] | [
"capacitive switch",
"ESP8266",
"home automation",
"IoT button",
"mains switching",
"relay",
"smart light switch",
"solid state relay",
"ssr",
"switched outlet"
] | When we think of relays, we tend to think of those big mechanical things that make a satisfying ‘click’ when activated. As nice as they are for
relay-based computers
, there are times when you don’t want to deal with noise or the unreliability of moving parts. This is where solid-state relays (SSRs) are worth consideri... | 54 | 22 | [
{
"comment_id": "4081211",
"author": "joelfinkle",
"timestamp": "2017-09-26T14:17:34",
"content": "I used one of those to build an immersion circulator (Sous Vide controller) via Make Magazine’s article some years ago (and some day I’ll pass along how you can use it to split a quartz composite count... | 1,760,374,661.605291 | ||
https://hackaday.com/2017/09/26/chess-robots-got-the-moves/ | Chess Robot’s Got The Moves | John Baichtal | [
"Arduino Hacks"
] | [
"algorithm",
"chess",
"chess robot",
"stepper motors"
] | [RoboAvatar]’s
Chess Robot
consists of a gantry-mounted arm that picks up chess pieces and places them in their new location, as directed by the software. The game begins when the human, playing white, makes a move. When a play has been made, the human player presses a button to let the robot to take its turn. You can ... | 14 | 10 | [
{
"comment_id": "4081009",
"author": "Doug Leppard",
"timestamp": "2017-09-26T11:23:25",
"content": "Great job",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4081109",
"author": "Tore Lund",
"timestamp": "2017-09-26T12:30:40",
"content": "Nice, not... | 1,760,374,661.433748 | ||
https://hackaday.com/2017/09/26/emulate-ics-in-python/ | Emulate ICs In Python | Al Williams | [
"Software Hacks"
] | [
"circuit simulation",
"emulation",
"Logic simulation",
"python",
"simulation"
] | Most people who want to simulate logic ICs will use Verilog, VHDL, or System Verilog. Not [hsoft]. He wanted to use Python, and wrote a simple Python framework for doing just that. You can find the code on
GitHub
, and there is an ASCII video that won’t embed here at Hackaday, but which you can view at
ASCIInema
.
Belo... | 16 | 10 | [
{
"comment_id": "4080456",
"author": "localhost",
"timestamp": "2017-09-26T08:43:14",
"content": "I’m waiting for a command-line version of Logisim now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4080476",
"author": "RÖB",
"timestamp": "2017-09-26T... | 1,760,374,661.705553 | ||
https://hackaday.com/2017/09/25/a-cold-hard-look-at-fpgas/ | A Cold Hard Look At FPGAs | Al Williams | [
"FPGA"
] | [
"cryogenic",
"fpga"
] | Researchers at the Delft University of Technology wanted to use FPGAs at cryogenic temperatures down around 4 degrees Kelvin. They knew from previous research that many FPGAs that use submicron fabrication technology actually work pretty well at those temperatures. It is the other components that misbehave — in particu... | 30 | 10 | [
{
"comment_id": "4079890",
"author": "Darren",
"timestamp": "2017-09-26T06:40:26",
"content": "I wonder if it would also be useful to thwart a power analysis side channel attack",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4080151",
"author": "Trut... | 1,760,374,661.386284 | ||
https://hackaday.com/2017/09/25/diy-lipo-protectors/ | DIY LiPo Protectors | Al Williams | [
"Misc Hacks"
] | [
"18650",
"battery charging",
"dw01",
"lip"
] | Spiderman’s Uncle Ben was known to say, “With great power comes great responsibility.” The same holds true for battery power. [Andreas] wanted to use protected 18650 cells, but didn’t want to buy them off the shelf. He found a forty cent solution. Not only can you see it in the video, below, but he also
explains and de... | 24 | 6 | [
{
"comment_id": "4078033",
"author": "Chris B",
"timestamp": "2017-09-26T02:05:05",
"content": "Not Lipo, Li-ion!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4078097",
"author": "Yann Guidon / YGDES",
"timestamp": "2017-09-26T02:15:34",
... | 1,760,374,661.814276 | ||
https://hackaday.com/2017/09/25/pulleys-within-pulleys-form-a-unique-transmission-for-robots/ | Pulleys Within Pulleys Form A Unique Transmission For Robots | Dan Maloney | [
"Misc Hacks",
"Robots Hacks"
] | [
"CVT",
"gear box",
"harmonic",
"infinitely variable transmission",
"IVT",
"pulley",
"transmission",
"v-belt"
] | After a couple of millennia of fiddling with gears, you’d think there wouldn’t be much new ground to explore in the field of power transmission. And then you see something like
an infinitely variable transmission built from nested pulleys
, and you realize there’s always room for improvement.
The electric motors genera... | 36 | 16 | [
{
"comment_id": "4077634",
"author": "Sci",
"timestamp": "2017-09-25T23:38:16",
"content": "It’s an interesting hybrid of CVT and harmonic drive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4077654",
"author": "Ostracus",
"timestamp": "201... | 1,760,374,661.897532 | ||
https://hackaday.com/2017/09/25/reverse-engineering-guitar-hero/ | Reverse Engineering Guitar Hero | Al Williams | [
"Software Hacks"
] | [
"disassembler",
"disassembly",
"guitar hero",
"guitar hero iii",
"ida",
"reverse engineering"
] | What do you do when a ten-year-old video game has a bug in it? If you are [ExileLord] you fix it, even if you don’t have the source code. Want to know how? Luckily, he produced a video showing all the details of how he t
racked the bug down and fixed it
. You can see the video below. You may or may not care about Guita... | 11 | 6 | [
{
"comment_id": "4077473",
"author": "Dave Davidson",
"timestamp": "2017-09-25T21:27:42",
"content": "Who needs that when this works on almost everythinghttps://github.com/fofix/fofix",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4077527",
"author":... | 1,760,374,661.652729 | ||
https://hackaday.com/2017/09/25/hackaday-prize-entry-orthosense-a-smart-knee-brace-for-physical-therapy/ | Hackaday Prize Entry: OrthoSense, A Smart Knee Brace For Physical Therapy | Kristina Panos | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technology",
"bluetooth",
"contact microphone",
"knee brace",
"osteoarthritis",
"tinyTILE",
"wheatstone bridge"
] | If you have knee surgery, you can probably count on some physical therapy to go with it. But one thing you might not be able to count on is getting enough attention from your therapist. This was the case with [Vignesh]’s mother, who suffers from osteoarthritis (OA). Her physiotherapist kept a busy schedule and couldn’t... | 4 | 3 | [
{
"comment_id": "4076263",
"author": "Gravis",
"timestamp": "2017-09-25T20:04:35",
"content": "“Since all things Intel® Curie™ are being discontinued”FTFY",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4080369",
"author": "Vignesh Ravi (@viggi_ravi)"... | 1,760,374,661.746963 | ||
https://hackaday.com/2017/09/25/cuban-embassy-attacks-and-the-microwave-auditory-effect/ | Cuban Embassy Attacks And The Microwave Auditory Effect | Adam Fabio | [
"Current Events",
"Featured",
"Original Art",
"Radio Hacks",
"Slider"
] | [
"auditory",
"Cuba",
"hallucinatioin",
"microwave",
"weapon"
] | If you’ve been paying attention to the news, you may have seen a series of articles coming out about US staffers in Cuba. It seems that 21 staffers have suffered a bizarre array of injuries ranging from hearing loss to dizziness to concussion-like traumatic brain injuries. Some staffers have reported hearing incapacita... | 323 | 50 | [
{
"comment_id": "4073283",
"author": "Bill Jackson Jackson",
"timestamp": "2017-09-25T17:09:42",
"content": "I suspect this is caused by ultrasound ‘beats’The Cubans bombard an area with two uhf frequencies that differ by 5 to 10 hertz. This difference will manifest as sound in the body at 5 to 10 ... | 1,760,374,662.614462 |
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