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https://hackaday.com/2019/02/25/would-you-like-to-play-a-game-wopr-summit-is-this-weekend/ | Would You Like To Play A Game? WOPR Summit Is This Weekend | Tom Nardi | [
"cons"
] | [
"cybersecurity",
"hacker conference",
"WOPR"
] | During the summer months it might be known as “America’s Playground”, but around this time of year, Atlantic City is generally the destination of choice for bus loads of seniors looking to burn up some of that fixed income. Of course, that was before the WOPR Summit came to town. From March 1st to the 3rd,
it promises ... | 6 | 4 | [
{
"comment_id": "5917116",
"author": "drwho8 (@drwho8)",
"timestamp": "2019-02-25T21:30:04",
"content": "Feh. I’m waiting for the VCF East event.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5918432",
"author": "Cbob",
"timestamp": "2019-02-26T02:50:... | 1,760,374,029.891769 | ||
https://hackaday.com/2019/02/25/stethoscopes-electronics-and-artificial-intelligence/ | Stethoscopes, Electronics, And Artificial Intelligence | Dan Maloney | [
"Interest",
"Medical Hacks",
"Slider"
] | [
"ai",
"artificial intelligence",
"Johns Hopkins University",
"noise cancelling",
"stethoscope"
] | For all the advances in medical diagnostics made over the last two centuries of modern medicine, from the ability to peer deep inside the body with the help of superconducting magnets to harnessing the power of molecular biology, it seems strange that the enduring symbol of the medical profession is something as simple... | 20 | 9 | [
{
"comment_id": "5916300",
"author": "RoGeorge",
"timestamp": "2019-02-25T18:48:02",
"content": "Everybody nowadays is doing Artificial Intelligence. Why?What happened with the natural intelligence?:o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5916336"... | 1,760,374,030.00895 | ||
https://hackaday.com/2019/02/25/all-things-enigma-hack-chat/ | All Things Enigma Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"animation",
"ascii art",
"cypher",
"enigma",
"Hack Chat",
"hacking",
"horology",
"metalwork",
"microcontrollers",
"watch"
] | Join us Wednesday at noon Pacific time for the
All Things Enigma Hack Chat
!
This week’s Hack Chat is a bit of a departure for us because our host, Simon Jansen, has tackled so many interesting projects that it’s hard to settle on one topic. Simon is a multidisciplinary hacker whose interests run the gamut from buildin... | 2 | 2 | [
{
"comment_id": "5924026",
"author": "Spacedog",
"timestamp": "2019-02-27T14:36:05",
"content": "anyone recommend a book or link to schematics for the enigma, specifically the wiring of the 5 rotors",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5924625",
... | 1,760,374,030.100719 | ||
https://hackaday.com/2019/02/25/glowtie-is-perfect-for-those-fancy-dress-raves/ | Glowtie Is Perfect For Those Fancy Dress Raves | Tom Nardi | [
"LED Hacks",
"Microcontrollers",
"Wearable Hacks"
] | [
"access point",
"ESP8266",
"led",
"wearable",
"ws2812b"
] | Are you bored of your traditional bow tie? Do you wish it had RGB LEDs, WiFi, and a web interface that you could access from your smartphone? If you’re like us at Hackaday…maybe not. But that hasn’t stopped [Stephen Hawes] from creating the
Glowtie, an admittedly very slick piece of open source electronic neckwear
that... | 3 | 3 | [
{
"comment_id": "5916022",
"author": "Ostracus",
"timestamp": "2019-02-25T17:07:51",
"content": "Perfect for the Oscars. ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5916326",
"author": "stickben",
"timestamp": "2019-02-25T19:11:26",
"content... | 1,760,374,029.845911 | ||
https://hackaday.com/2019/02/25/nasa-is-building-a-space-station-in-a-weird-orbit-heres-why/ | NASA Is Building A Space Station In A Weird Orbit. Here’s Why | Brian Benchoff | [
"Hackaday Columns",
"Original Art",
"Slider",
"Space"
] | [
"apollo",
"L2",
"Lagrange",
"Lunar Gateway",
"nasa",
"Near-Rectilinear Halo Orbit"
] | Representatives from SpaceX, Blue Origin, and United Launch Alliance participated in a forum last week held by NASA to determine the future of humans on the moon. This isn’t just how they will live, how long they will stay, or what they will do; no, this is far more interesting: this was how humans will travel from lun... | 65 | 18 | [
{
"comment_id": "5915837",
"author": "Ostracus",
"timestamp": "2019-02-25T15:27:02",
"content": "Tempted to fire up Universe Sandbox² and simulate that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5921578",
"author": "Ostracus",
"timestamp... | 1,760,374,029.784506 | ||
https://hackaday.com/2019/02/25/ludwig-promises-easy-machine-learning-from-uber/ | Ludwig Promises Easy Machine Learning From Uber | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"deep learning",
"ludwig",
"machine learning",
"neural networks",
"tensorflow",
"uber"
] | Machine learning has brought an old idea — neural networks — to bear on a range of previously difficult problems such as handwriting and speech recognition. Better software and hardware has made it feasible to apply sophisticated machine learning algorithms that would have previously been only possible on giant superco... | 3 | 1 | [
{
"comment_id": "5915614",
"author": "Peter Petit",
"timestamp": "2019-02-25T14:07:11",
"content": "This makes me a bit nostalgic., perhaps showing my age. It takes me back to the excitement I felt reading books about LISP. I hope Ludwig has more staying power. There is so much more room for improv... | 1,760,374,029.666137 | ||
https://hackaday.com/2019/02/25/teach-computing-the-old-school-way-with-a-digi-comp-ii/ | Teach Computing The Old-School Way With A Digi-Comp II | Jenny List | [
"classic hacks"
] | [
"digi-comp",
"digi-comp II",
"mechanical computer",
"toy computer"
] | Ubiquitous computing has delivered a world in which there seem to be few devices left that no longer contain a microprocessor of some sort. Thus should a student wish to learn about the inner workings of a computer they can easily do so from a multitude of devices. For an earlier generation though this was not such a s... | 8 | 5 | [
{
"comment_id": "5915019",
"author": "A Start With Forth",
"timestamp": "2019-02-25T10:38:16",
"content": "Would be lovely to own one of those, but there is an alternative: minivac601. Not paying for this one on ebay, but the books are available scanned online. I am working on a simple emulation usi... | 1,760,374,030.19078 | ||
https://hackaday.com/2019/02/22/supercon-ruth-grace-wong-and-firmware-from-the-firehose/ | Supercon: Ruth Grace Wong And Firmware From The Firehose | Elliot Williams | [
"cons",
"Hackaday Columns",
"hardware",
"Software Development"
] | [
"C language",
"debugging",
"firmware"
] | Firmware and software are both just code, right? How different could the code that runs Internet-scale distributed web stuff be from the code that runs a tiny microcontroller brain inside a personal hydroponics device? Night and day!
Ruth Grace Wong works in the former world, but moonlights as a manufacturing engineer ... | 13 | 5 | [
{
"comment_id": "5904589",
"author": "Ripu Helmer Lán sè",
"timestamp": "2019-02-22T18:38:47",
"content": "“Once found, it was easily fixed. But getting to the point where you understand the codebase deeply enough to know where to look is four-fifths of the battle”I thought you were trying to make t... | 1,760,374,030.055602 | ||
https://hackaday.com/2019/02/22/hackaday-podcast-007-everything-microcontrollers-deadly-clock-accuracy-ct-x-rays-mountains-of-e-waste/ | Hackaday Podcast 007: Everything Microcontrollers, Deadly Clock Accuracy, CT X-Rays, Mountains Of E-Waste | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"A380",
"ds3232",
"DSRC",
"Hackaday Podcast",
"neopixel",
"pcf2129",
"real time clock",
"reverse polish notation",
"RPN",
"rtc",
"spi",
"V2V",
"ws2812",
"x-ray"
] | Elliot Williams and Mike Szczys look at all that’s happening in hackerdom. This week we dive deep into super-accurate clock chips, SPI and microcontroller trickery, a new (and cheap) part on the microcontroller block, touch-sensitive cloth, and taking a home X-ray to the third dimension. We’re saying our goodbyes to th... | 5 | 3 | [
{
"comment_id": "5905652",
"author": "CMH62",
"timestamp": "2019-02-23T00:54:03",
"content": "I recently listened to and really enjoyed the “best of 2018” podcast, guys. Looking forward to hearing more.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5920931... | 1,760,374,030.143782 | ||
https://hackaday.com/2019/02/22/what-happens-when-you-cross-a-brick-with-a-pixel/ | What Happens When You Cross A Brick With A Pixel? | Lewin Day | [
"Art"
] | [
"art",
"art installation",
"breakfastny",
"brick",
"installation"
] | There are a great many technologies we use to display information every day. We’re all familiar with plasma displays and LCDs, and then there’s more esoteric hardware like the split flap displays on municipal buses and around train stations. However, Breakfast have been working on something that turns architectural fe... | 19 | 11 | [
{
"comment_id": "5904321",
"author": "sneakypoo",
"timestamp": "2019-02-22T16:51:28",
"content": "And how much noise does it make?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5904500",
"author": "seishinnokage",
"timestamp": "2019-02-22T18... | 1,760,374,029.946712 | ||
https://hackaday.com/2019/02/22/drops-of-jupyter-notebooks-how-to-keep-notes-in-the-information-age/ | Drops Of Jupyter Notebooks: How To Keep Notes In The Information Age | Al Williams | [
"Featured",
"Original Art",
"Skills",
"Slider",
"Software Development"
] | [
"IPython",
"jupyter",
"literate programming",
"notebook",
"python"
] | Our digital world is so much more interactive than the paper one it has been replacing. That becomes very obvious in the features of
Jupyter Notebooks
. The point is to make your data beautiful, organized, interactive, and shareable. And you can do all of this with just a bit of simple coding.
We already leveraged comp... | 32 | 17 | [
{
"comment_id": "5904105",
"author": "halherta",
"timestamp": "2019-02-22T15:20:30",
"content": "If you don’t need graphing and/or embedding running codes, plain old markdown (or restructuredText) can be converted into html, pdf, odt and epub with pandoc.I also like using Sphinx (with restructuredTe... | 1,760,374,030.556223 | ||
https://hackaday.com/2019/02/22/12-year-old-builds-successful-fusor-at-home/ | 12 Year Old Builds Successful Fusor At Home | Lewin Day | [
"Science"
] | [
"fusion",
"fusor",
"nuclear fusion"
] | Nuclear fusion, as a method of power generation, continues to elude humanity. It promises cheap, virtually limitless energy, if only we could find a way to achieve it. On the other hand, achieving nuclear fusion of a few atoms just for the fun of it is actually quite doable, even in the home lab.
[Jackson Oswalt] is on... | 54 | 13 | [
{
"comment_id": "5903574",
"author": "zaprodk",
"timestamp": "2019-02-22T12:05:52",
"content": "What’s “50i kV”? The i-part?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5903611",
"author": "WordpressIsNotIdeal",
"timestamp": "2019-02-22T12... | 1,760,374,031.199718 | ||
https://hackaday.com/2019/02/22/radiation-detector-eschews-tubes-uses-photodiode/ | Radiation Detector Eschews Tubes, Uses Photodiode | Dan Maloney | [
"Misc Hacks"
] | [
"detector",
"geiger counter",
"geiger-muller",
"op-amp",
"photodiode",
"radiation",
"radioactivity",
"transimpedance"
] | When the topic is radiation detection, thoughts turn naturally to the venerable Geiger-Müller tube. It’s been around for ages, Russian surplus tubes are available for next to nothing, and it’s easy to use. But as a vacuum tube it can be somewhat delicate, and the high voltages needed to run it can be a little on the ri... | 13 | 7 | [
{
"comment_id": "5903506",
"author": "dave",
"timestamp": "2019-02-22T11:26:14",
"content": "I believe the cheap keychain Nukealert consists of a scintillator and a photosensor an ATtiny to count the flashes detected by the photosensor a piezo speaket to beep pulses at different rates to indicate 10... | 1,760,374,030.863349 | ||
https://hackaday.com/2019/02/21/noise-it-turns-out-you-need-it/ | Noise: It Turns Out You Need It | Al Williams | [
"News",
"Science"
] | [
"anderson localization",
"noise",
"physics",
"quantum",
"qubits"
] | We don’t know whether quantum physics proves the universe is truly a strange place or that we are living in a virtual reality simulation, but we know it turns a lot of common sense into garbage. Take noise, for example. Noise — as in random electrical noise — is bad, right? We spend a lot of time designing to minimize ... | 16 | 10 | [
{
"comment_id": "5902891",
"author": "Ostracus",
"timestamp": "2019-02-22T06:36:40",
"content": "” Researchers in Austria, Germany, and Australia recently published a paper that shows that noise can actually improve the flow of energy. While the paper is behind a paywall, the Focus article is availa... | 1,760,374,030.817021 | ||
https://hackaday.com/2019/02/21/hexagonal-lamp-is-a-stylish-application-of-plywood/ | Hexagonal Lamp Is A Stylish Application Of Plywood | Lewin Day | [
"LED Hacks"
] | [
"lamp",
"led",
"lighting",
"plywood",
"woodwork",
"woodworking"
] | Lamps are useful things, and can be a great way to add style and lighting options to a room. Where overhead lights have to provide enough illumination for all manner of tasks, a subtle table lamp can add a nice moody glow to a room when it’s time to kick back and relax. Oftentimes, a stylish lamp can be let down by hav... | 10 | 4 | [
{
"comment_id": "5902454",
"author": "pjmanco",
"timestamp": "2019-02-22T03:30:54",
"content": "earn money by blogging and chatting promoting amazing products and opportunities brought you by Alliance in Motion Global a MLM Company which turn ordinary people into extra ordinary millionare. join us n... | 1,760,374,030.913817 | ||
https://hackaday.com/2019/02/21/hack-a-thinkpad-display/ | Hack A ThinkPad Display | Al Williams | [
"laptops hacks"
] | [
"display",
"eDP",
"IPS",
"lcd",
"lvds",
"thinkpad",
"tn"
] | Hackers really like their tools. This leads to holy wars over languages, editors, keyboards, and even laptops. The problem with laptops is that they age, and not always gracefully. [Syonyk] likes his ThinkPad T430S, except for one thing, its TN display wasn’t really very good. These flat screens use an older technology... | 40 | 12 | [
{
"comment_id": "5902069",
"author": "Buckaroo",
"timestamp": "2019-02-22T00:32:24",
"content": "My question is – is the reverse possible? Let me elaborate. Something I’ve never seen for sale, but would pick up in a heartbeat, is a laptop-format portable crash cart. Something that looks like a lapto... | 1,760,374,031.672109 | ||
https://hackaday.com/2019/02/21/relive-the-dot-matrix-glory-days-with-your-3d-printer/ | Relive The Dot Matrix Glory Days With Your 3D Printer | Tom Nardi | [
"3d Printer hacks",
"Art",
"Software Hacks"
] | [
"3D printer mod",
"dot matrix",
"gcode",
"pen",
"plotter",
"web service"
] | With the cost of 3D printers dropping rapidly, we’ve started to see a trend of hackers re-purposing them for various tasks. It makes perfect sense; with the hotend and extruder turned off (or removed entirely), you’ve got a machine that can move a tool around in two or three dimensions with exceptional accuracy. Printe... | 21 | 11 | [
{
"comment_id": "5901801",
"author": "M90 Rocks",
"timestamp": "2019-02-21T22:08:32",
"content": "” A more robust approach would be some kind of 3D printed device that allows you to quickly attach your pen or marker so the printer can be easily switched between 2D and 3D modes.”That’s a place where ... | 1,760,374,031.024457 | ||
https://hackaday.com/2019/02/21/fpga-brings-arduboy-to-the-game-boy-advance/ | FPGA Brings Arduboy To The Game Boy Advance | Tom Nardi | [
"Arduino Hacks",
"FPGA",
"Nintendo Game Boy Hacks"
] | [
"Arduboy",
"fpga",
"game boy",
"game boy advance",
"gba"
] | Hackaday readers are perhaps familiar with the Arduboy, an open source handheld gaming system that aims to combine the ease of Arduino development with the seething nostalgia the Internet has towards the original Nintendo Game Boy. While not quite the same as getting one of your games published for a “real” system, the... | 8 | 4 | [
{
"comment_id": "5901631",
"author": "David",
"timestamp": "2019-02-21T20:13:22",
"content": "Maybe I’m missing something, but this seems like the absolutely most pointless invention that I’m aware of. There’s an absolute surplus of GBA cartridges that have SD card slots and are basically plug and p... | 1,760,374,031.294849 | ||
https://hackaday.com/2019/02/21/building-a-simple-python-api-for-internet-of-things-gadgets/ | Building A Simple Python API For Internet Of Things Gadgets | Sean Boyce | [
"Hackaday Columns",
"how-to",
"Original Art",
"Skills",
"Slider",
"Tech Hacks"
] | [
"api",
"datalogger",
"https",
"IoT",
"NodeMCU",
"python 3.0"
] | It’s no secret that I rather enjoy connecting things to the Internet for fun and profit. One of the tricks I’ve learned along the way is to spin up simple APIs that can be used when prototyping a project. It’s easy to do, and simple to understand so I’m happy to share what has worked for me, using Web2Py as the example... | 6 | 3 | [
{
"comment_id": "5901441",
"author": "halherta",
"timestamp": "2019-02-21T18:12:26",
"content": "have a look at plotly’s dash and daq-dashboard libraries. They allow one to build a very fancy web dashboard purely in python",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,374,030.96176 | ||
https://hackaday.com/2019/02/21/death-generator-makes-game-over-more-personal/ | Death Generator Makes Game Over More Personal | Lewin Day | [
"Games"
] | [
"image generator",
"javascript",
"retro gaming"
] | “Game over”. In this day and age of complex games with storylines and career modes that last for tens of hours, it’s not really a concept that has a lot of relevance. However, in the golden age of the arcade, those two words made it very clear that your time was up and it was time to find another quarter. Home games of... | 11 | 5 | [
{
"comment_id": "5901222",
"author": "RoBob",
"timestamp": "2019-02-21T16:38:11",
"content": "I played SoD so much as a kid on the NES! This screen shot was a total shocker on this website.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5901304",
"author"... | 1,760,374,031.247713 | ||
https://hackaday.com/2019/02/21/when-will-our-cars-finally-speak-the-same-language-dsrc-for-vehicles/ | When Will Our Cars Finally Speak The Same Language? DSRC For Vehicles | Tom Nardi | [
"car hacks",
"Current Events",
"Featured",
"Transportation Hacks",
"Wireless Hacks"
] | [
"802.11p",
"collision avoidance",
"DSRC",
"fcc",
"infrastructure",
"lidar",
"radar",
"self-driving cars",
"spectrum",
"wifi"
] | At the turn of the 21st century, it became pretty clear that even our cars wouldn’t escape the Digital Revolution. Years before anyone even uttered the term “smartphone”, it seemed obvious that automobiles would not only become increasingly computer-laden, but they’d need a way to communicate with each other and the wo... | 77 | 18 | [
{
"comment_id": "5901074",
"author": "Ren",
"timestamp": "2019-02-21T15:23:34",
"content": "Considering that there are currently two major competing systems in development, we may end up with another VHS v. BetaMax type of market.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,031.501533 | ||
https://hackaday.com/2019/02/21/talking-telegram-with-the-esp8266/ | Talking Telegram With The ESP8266 | Tom Nardi | [
"Microcontrollers",
"Software Hacks"
] | [
"bot",
"ESP8266",
"home automation",
"internet of things",
"telegram"
] | At this point it’s something of a given that a member of the ESP8266 family is likely your best bet if you want to cobble together a small Internet-connected gadget. Costing as little as $3 USD, this well documented all-in-one solution really can’t be beat. But of course, the hardware is only one half of the equation. ... | 5 | 3 | [
{
"comment_id": "5900936",
"author": "NoxiousPluK",
"timestamp": "2019-02-21T14:09:43",
"content": "“…the encrypted chat platform.” Is sadly not the case, or at least not end-to-end encrypted, with the exception of Secret Chats, which are device bound.That being said, I love this! I wrote multiple T... | 1,760,374,031.590816 | ||
https://hackaday.com/2019/02/21/eurorack-gets-a-wireless-midi-connection/ | Eurorack Gets A Wireless MIDI Connection | Lewin Day | [
"Musical Hacks"
] | [
"ESP32",
"eurorack",
"modular synth",
"Modular synthesizer",
"synth",
"synthesizer"
] | Modular synthesizers have been around since the early 1960s, delivering huge tonal possibilities from their impressive and imposing patchbays. In 1996, the Eurorack standard was launched, and has become the go-to choice for enthusiasts new to the world of modular synthesis. [Rich Heslip] is just one such enthusiast,
an... | 4 | 2 | [
{
"comment_id": "5901747",
"author": "ROB",
"timestamp": "2019-02-21T21:32:10",
"content": "What’s the relationship between synth euro-rack and computer euro-card?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5901789",
"author": "W",
"times... | 1,760,374,031.542482 | ||
https://hackaday.com/2019/02/20/a-modern-solution-to-tea-bag-inventory-management/ | A Modern Solution To Tea Bag Inventory Management | Lewin Day | [
"home hacks",
"Lifehacks"
] | [
"arduino",
"raspberry pi",
"tea"
] | Britain is famously known as a land of manners and hospitality. Few situations could make an Englishman’s stiff upper lip quiver, short of running out of tea bags while entertaining house guests. Thankfully, [The Gentleman Maker] is here and living up to his name –
with a helpful tea monitor to ensure you’re never caug... | 13 | 10 | [
{
"comment_id": "5899716",
"author": "lolwut",
"timestamp": "2019-02-21T07:10:06",
"content": "No self respecting Brit would allow tea (bag) levels to get anywhere near that low.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5901902",
"author": "Nax... | 1,760,374,031.722678 | ||
https://hackaday.com/2019/02/20/dont-need-a-weatherman-to-know-which-way-the-wind-blows-on-mars/ | Don’t Need A Weatherman To Know Which Way The Wind Blows On Mars | Al Williams | [
"News",
"Space"
] | [
"InSight",
"mars",
"nasa",
"twins"
] | NASA’s latest Mars lander has a very precise weather package, and you can check
the daily conditions on Elysium Planitia online
. The data however has apparently led to a bit of a mystery.
According to Ars Technica
, every day at 7AM and 7PM local time, there’s an unexplained atmospheric pressure spike.
The TWINS (Temp... | 14 | 4 | [
{
"comment_id": "5899276",
"author": "Ostracus",
"timestamp": "2019-02-21T05:12:15",
"content": "Is there movement of air from hot side to colder side and back? How about mass surface sand movement (infrasonic)?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,031.815577 | ||
https://hackaday.com/2019/02/20/optoglitch-is-an-optocoupler-built-for-distortion/ | OptoGlitch Is An Optocoupler Built For Distortion | Lewin Day | [
"classic hacks"
] | [
"distortion",
"noise",
"optocoupler"
] | When we are concerned with the accurate reproduction of a signal, distortion and noise are the enemy that engineers spend a great deal of time eliminating wherever possible. However, humans being the imperfect creatures that we are, we sometimes desire a little waviness and grain in our media – typically of the analog ... | 4 | 3 | [
{
"comment_id": "5898478",
"author": "Ted Yapo",
"timestamp": "2019-02-21T01:58:19",
"content": "It’s a fuzz box for pics! Nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5900077",
"author": "Arnoud Philip",
"timestamp": "2019-02-21T08:42:13",
... | 1,760,374,031.764773 | ||
https://hackaday.com/2019/02/20/diy-x-ray-machine-becomes-ct-scanner/ | DIY X-Ray Machine Becomes CT Scanner | Ted Yapo | [
"Science"
] | [
"computed tomography",
"ct scanner",
"x-ray imaging",
"X-Rays"
] | Once you’ve built your own X-ray machine to take 2D images of the insides of stuff, there’s really only one logical next step:
building your own computed tomography (CT) scanner
to get 3D reconstructions instead. That’s exactly what [Fran Piernas] has done, and documented over on hackaday.io. While the original X-ray m... | 16 | 6 | [
{
"comment_id": "5897231",
"author": "Brian",
"timestamp": "2019-02-20T21:17:32",
"content": "Super sweet project. Love it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5897566",
"author": "Jan Helebrant (@jhelebrant)",
"timestamp": "2019-02-20T22:27... | 1,760,374,031.903677 | ||
https://hackaday.com/2019/02/20/retrotechtacular-how-not-to-design-with-transistors/ | Retrotechtacular: How Not To Design With Transistors | Dan Maloney | [
"Hackaday Columns",
"Retrotechtacular"
] | [
"comparative",
"design",
"electrical engineering",
"electron tube",
"retrotechtacular",
"transistor",
"vacuum tube"
] | Consider the plight of a mid-career or even freshly minted electrical engineer in 1960. He or she was perched precariously between two worlds – the proven, practical, and well-supported world of vacuum tube electronics, and the exciting, new but as yet unproven world of the transistor. The solid-state devices had only ... | 76 | 17 | [
{
"comment_id": "5896765",
"author": "Thinkerer",
"timestamp": "2019-02-20T19:35:41",
"content": "Any guess how much of the cherry picked stuff is still being repeated in audiophile circles?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5897103",
"a... | 1,760,374,032.091671 | ||
https://hackaday.com/2019/02/20/badge-team-badges-get-a-platform/ | Badge.Team: Badges Get A Platform | Jenny List | [
"cons",
"Hackaday Columns",
"Microcontrollers"
] | [
"badge",
"badge.team",
"badgelife",
"ESP32"
] | Electronic conference badges are now an accepted part of the lifeblood of our community, with even the simplest of events now sporting a fully functional computer as an eye-catching PCB on a lanyard. Event schedules and applications are shipped on them, and the more sophisticated ones have app libraries and support dev... | 21 | 11 | [
{
"comment_id": "5896603",
"author": "Jerry",
"timestamp": "2019-02-20T19:02:29",
"content": "I hear “Egglands Best” are tops for eggs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5896660",
"author": "Ren",
"timestamp": "2019-02-20T19:14:44",
"co... | 1,760,374,031.968809 | ||
https://hackaday.com/2019/02/20/love-inspires-cd-player-hack/ | Love Inspires CD Player Hack | Lewin Day | [
"classic hacks"
] | [
"555",
"heart",
"heartbeat",
"NE555"
] | The heart is an impressive piece of hardware. It’s a rare pump that runs continuously for over 80 years in some cases. It’s also, for some reason or other, become a common human symbol of love and affection. In this vein,
[Deepak Khatri] has built a beating electronic heart out of basic, readily available components.
T... | 10 | 5 | [
{
"comment_id": "5895965",
"author": "Jac Goudsmit",
"timestamp": "2019-02-20T17:13:36",
"content": "If you replace the laser with a red one you can look it deep in the eyes and decide that love is, indeed, blind.(I’ll show myself out)",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,032.214419 | ||
https://hackaday.com/2019/02/20/the-woeful-world-of-worldwide-e-waste/ | The Woeful World Of Worldwide E-Waste | Kerry Scharfglass | [
"Featured",
"Interest",
"News",
"Original Art",
"Slider",
"Tech Hacks"
] | [
"business model",
"circular economy",
"e-waste",
"economics",
"linear economy",
"recycling",
"waste",
"waste stream",
"wef"
] | How large is the cache of discarded electronics in your home? They were once expensive and cherished items, but now they’re a question-mark for responsible disposal. I’m going to dig into this problem — which goes far beyond your collection of dead smartphones — as well as the issues of where this stuff ends up versus ... | 125 | 24 | [
{
"comment_id": "5895528",
"author": "nuclear",
"timestamp": "2019-02-20T15:12:45",
"content": "A federal prison in Texas has an ISO 9000 certified electronics recycling operation. Inmates tear apart the items and separate the parts. The operation actually makes money.",
"parent_id": null,
... | 1,760,374,032.764688 | ||
https://hackaday.com/2019/02/20/custom-firmware-for-cheap-fitness-trackers/ | Custom Firmware For Cheap Fitness Trackers | Lewin Day | [
"Wearable Hacks"
] | [
"arduino",
"fitness",
"fitness tracker"
] | The concept of wearable hardware is an enticing one, but it can be difficult to tackle for the first-time maker. While many of us are experienced at designing PCBs and soldering up arcane gadgets, interfacing with the soft and fleshy human form can present unforeseen difficulties. There’s a way around that, of course –... | 51 | 14 | [
{
"comment_id": "5895562",
"author": "Shannon",
"timestamp": "2019-02-20T15:23:58",
"content": "Nice, I’m trying to make something in this kind of space, so I’ve just ordered one of these to look at more closely. I might start some documentation for my project for eventual HaD submission.",
"par... | 1,760,374,032.588301 | ||
https://hackaday.com/2019/02/20/casio-watch-gets-a-mems-oscillator-upgrade/ | Casio Watch Gets A MEMS Oscillator Upgrade | Dan Maloney | [
"clock hacks"
] | [
"32.768 kHz",
"casio",
"CSP",
"DS3231",
"G-Shock",
"MEMS",
"oscillator",
"Quartz",
"SiT1552",
"TCXO",
"wrist watch"
] | We’ve got to admit to being a bit of a Casio G-Shock watch geek. The big, chunky watches were every day carry items that survived everything we dished out, right up until the smartphone made wearing one seem redundant. But others continue to use and abuse G-Shocks, and some brave souls even hack them.
Replacing the sta... | 22 | 5 | [
{
"comment_id": "5894355",
"author": "s_hennig",
"timestamp": "2019-02-20T10:02:41",
"content": "Maybe I’m stupid, but I do wonder what he tries to gain from the transplant. In order to meet the accuracies one sees at a every-day quartz watch, the processor would have to apply a temperature compensa... | 1,760,374,032.388716 | ||
https://hackaday.com/2019/02/19/cheaply-charging-cylindrical-cells/ | Cheaply Charging Cylindrical Cells | Brian Benchoff | [
"hardware"
] | [
"18650",
"18650 cell",
"charger",
"lithium ion",
"power bank"
] | For one reason or another, a lot of us have a bunch of 18650 cells sitting around. Whether they’re for flashlights, our fancy new vape pen, remote controlled toys, or something more obscure, there is a need to charge a bunch of lithium ion cells all at once.
This project, by [Daren Schwenke], is the way to do it
. It’l... | 15 | 9 | [
{
"comment_id": "5893583",
"author": "Daren Schwenke",
"timestamp": "2019-02-20T07:04:31",
"content": "It is actually a scrap piece of polycarbonate hacked up with an angle grinder, bent to shape, and then spray painted on the inside. :)I recorded this build from start to finish, but the back of my... | 1,760,374,032.445365 | ||
https://hackaday.com/2019/02/19/visualizing-eddy-currents/ | Visualizing Eddy Currents | Al Williams | [
"Science"
] | [
"eddy current",
"eddy currents",
"electroboom",
"magnet",
"transformer"
] | If [Electroboom] gives up making videos and decides to become a lounge lizard in the Poconos, we hope he adopts the stage name Eddy Currents. However, he is talking about eddy currents in his recent
video post
that you can see below.
We know he doesn’t really think he can get the magnet to slow down with one sheet of a... | 18 | 9 | [
{
"comment_id": "5891831",
"author": "Vikki",
"timestamp": "2019-02-20T03:13:39",
"content": "“I made a voltmeter that consumes 10 amps!” LOL",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5893041",
"author": "Scoldog",
"timestamp": "2019-02-20T04:49:0... | 1,760,374,032.499467 | ||
https://hackaday.com/2019/02/19/sphero-rvrs-quest-for-a-niche-in-introductory-robotics/ | Sphero RVR’s Quest For A Niche In Introductory Robotics | Roger Cheng | [
"Robots Hacks"
] | [
"kickstarter",
"robot",
"robotics",
"Sphero"
] | Thanks to internet commerce opening up a global marketplace, it is now easier than ever for a budding roboticist to get started. There are so many robot kits available, across such a wide range of price and sophistication, that deciding which one to buy becomes a challenging project in itself. Is there room for another... | 15 | 7 | [
{
"comment_id": "5890902",
"author": "Ostracus",
"timestamp": "2019-02-20T00:41:50",
"content": "History comes in cycles. Maybe this time consumer robotics will succeed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5891025",
"author": "HAT",
... | 1,760,374,032.821554 | ||
https://hackaday.com/2019/02/19/building-a-1-4w-laser-pointer-in-a-tiny-housing/ | Building A 1.4W Laser Pointer In A Tiny Housing | Lewin Day | [
"Laser Hacks"
] | [
"laser",
"laser diode",
"laser pointer"
] | Laser pointers were cool for about 30 seconds when they first came out, before becoming immediately passé and doing absolutely nothing to improve the boss’s quarterly reports presentation. However, just as with boom boxes and sports cars, more power can always make things better. [Styropyro] was unimpressed with the we... | 37 | 14 | [
{
"comment_id": "5890069",
"author": "Arthur Wolf",
"timestamp": "2019-02-19T21:02:51",
"content": ">_Laser pointers were cool for about 30 seconds when they first came out, before becoming immediately passéMy cat disagrees.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,374,032.89769 | ||
https://hackaday.com/2019/02/19/3d-printed-alarm-clock-looks-just-like-store-bought/ | 3D Printed Alarm Clock Looks Just Like Store Bought | Lewin Day | [
"3d Printer hacks",
"clock hacks"
] | [
"clock",
"in-pi554fch",
"shapeways"
] | Clocks are a popular project on Hackaday. They’re a great way to showcase a whole range of creative build techniques, and can make an excellent showpiece as well. We’ve seen everything from the blinkiest binary build to the noisiest alarms, but [Benoit] has delivered something different —
a stylish build that looks lik... | 17 | 9 | [
{
"comment_id": "5889914",
"author": "neo2121",
"timestamp": "2019-02-19T20:08:28",
"content": "Shapeways… I was hoping for some amazing new DIY printing technique :/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5890025",
"author": "Felipe Henrique... | 1,760,374,032.953158 | ||
https://hackaday.com/2019/02/19/ask-hackaday-is-there-a-legit-use-for-operator-precedence/ | Ask Hackaday: Is There A Legit Use For Operator Precedence? | Mike Szczys | [
"Ask Hackaday",
"Software Development"
] | [
"C language",
"c programming",
"dennis ritchie",
"Obfuscated C Code Contest",
"operator precedence",
"order of operations",
"precedence"
] | Computing is really all about order. If you can take data, apply an operation to it, and get the same result every single time, then you have a stable and reliable computing system.
So it makes total sense that there is Operator Precedence. This is also called Order of Operations, and it dictates which computations wil... | 111 | 36 | [
{
"comment_id": "5889558",
"author": "frezik",
"timestamp": "2019-02-19T18:11:51",
"content": "Language grammars have to define some kind of precedence. It also makes sense to explicitly specify that precedence in documentation, so that other compilers of the same language will generate the same out... | 1,760,374,033.109932 | ||
https://hackaday.com/2019/02/19/flux-engine-reads-floppies/ | Flux Engine Reads Floppies | Al Williams | [
"Retrocomputing"
] | [
"floppy",
"libusb",
"PSoC",
"usb"
] | It is a bit of a paradox that we are storing more and more information digitally, yet every year more and more of it is becoming harder to access. Data on a variety of tapes and disks that were once common, is now trapped on media due to lack of hardware to read it. Do you have a ZIP drive? Do you have a computer that ... | 49 | 16 | [
{
"comment_id": "5889327",
"author": "Kryo Thawed",
"timestamp": "2019-02-19T16:48:41",
"content": "Awesome! I’ve been wanting a KryoFlux for quite some time now. But I don’t NEED one. So I can’t justify the price. This might be the answer for me!",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,033.196366 | ||
https://hackaday.com/2019/02/19/bell-labs-skunk-works-and-the-crowd-sourcing-of-innovation/ | Bell Labs, Skunk Works, And The Crowd Sourcing Of Innovation | Al Williams | [
"Business",
"Featured",
"History",
"Rants",
"Slider"
] | [
"bell labs",
"ibm",
"lockheed",
"Nobel",
"skunk work",
"skunk works",
"transistor",
"Volta"
] | I’ve noticed that we hear a lot less from corporate research labs than we used to. They still exist, though. Sure, Bell Labs is owned by Nokia and there is still some hot research at IBM even though they quit publication of the fabled IBM Technical Disclosure Bulletin in 1998. But today innovation is more likely to com... | 40 | 23 | [
{
"comment_id": "5889057",
"author": "Jerry",
"timestamp": "2019-02-19T15:15:13",
"content": "<— Exits stage right, wearing original Skunk Works jacket",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5889091",
"author": "Ostracus",
"timestamp": "2019-02... | 1,760,374,033.383959 | ||
https://hackaday.com/2019/02/19/honda-key-fob-turned-cnc-work-of-art/ | Honda Key Fob Turned CNC Work Of Art | Tom Nardi | [
"car hacks",
"cnc hacks",
"Transportation Hacks"
] | [
"cnc",
"key",
"key fob",
"metalworking",
"woodworking"
] | Now that nearly every car on the road comes with an electronic key fob, people are desperate to find ways to repair these indispensable little gadgets without coughing up potentially hundreds of dollars at the dealership. There’s a whole market for replacement shells which you can transplant your (hopefully) still func... | 16 | 6 | [
{
"comment_id": "5888583",
"author": "yetihehe",
"timestamp": "2019-02-19T12:21:35",
"content": "As someone on imgur commented, now everyone with a decent cnc can open his car.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5888624",
"author": "someg... | 1,760,374,033.696304 | ||
https://hackaday.com/2019/02/18/x-rays-and-high-voltage-hack-chat/ | X-Rays And High Voltage Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"CAT scan",
"computed tomography",
"CT Scan",
"dental x-ray",
"generator",
"high voltage",
"multiplier",
"X-Rays"
] | Join us on Wednesday at noon Pacific time for
the X-rays and high-voltage Hack Chat
!
Fran Piernas likes to push the envelope a bit with projects that others might shy away from. A quick glance at his
Hackaday.io
profile reveals a few of the exciting projects he’s been working on recently, including
a DIY X-ray machine... | 16 | 7 | [
{
"comment_id": "5885130",
"author": "RoGeorge",
"timestamp": "2019-02-18T17:34:30",
"content": "Banana for scale:o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5885907",
"author": "Comedicles",
"timestamp": "2019-02-18T21:40:59",
... | 1,760,374,033.579613 | ||
https://hackaday.com/2019/02/18/entry-level-sla-printer-gets-upgrades-prints-better/ | Entry-Level SLA Printer Gets Upgrades, Prints Better | Dan Maloney | [
"3d Printer hacks"
] | [
"Anycubic",
"cure",
"linear bearing",
"photopolymer resin",
"resin",
"sla",
"stereolithography",
"uv"
] | Fused-deposition modeling (FDM) printers have the lion’s share of the 3D-printing market, with cheap, easy-to-use printers slurping up thousands of kilos of filament every year. So where’s the challenge with 3D-printing anymore? Is there any room left to tinker? [Physics Anonymous] thinks so, and has started working on... | 12 | 5 | [
{
"comment_id": "5885032",
"author": "JB",
"timestamp": "2019-02-18T17:02:12",
"content": "He should offer the machined upgrades for sale :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5885197",
"author": "Pablo Oyarzo (@PabloAntOyarzo)",
... | 1,760,374,033.43542 | ||
https://hackaday.com/2019/02/18/predicting-weather-with-the-internet-of-cars/ | Predicting Weather With The Internet Of Cars | Dan Maloney | [
"Featured",
"Interest",
"Slider",
"Transportation Hacks"
] | [
"CAN",
"distributed sensor",
"flooding",
"mobile",
"OBDC",
"sensor",
"urban planning",
"vehicle"
] | Follow this train of thought: cars have sensors, cars are in frequent use over large areas, cars are the ultimate distributed sensor network for weather conditions.
Many years ago, as I wasted yet another chunk of my life sitting in the linear parking lot that was my morning commute, I mused that there had to be a way ... | 38 | 10 | [
{
"comment_id": "5884650",
"author": "Ostracus",
"timestamp": "2019-02-18T15:29:33",
"content": "Privacy! Privacy! Privacy!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5884659",
"author": "Eric Cherry",
"timestamp": "2019-02-18T15:38:28",
... | 1,760,374,033.519582 | ||
https://hackaday.com/2019/02/18/offline-e-paper-typewriter-lets-you-write-without-distractions/ | Offline E-Paper Typewriter Lets You Write Without Distractions | Dan Maloney | [
"Misc Hacks"
] | [
"cortex-m4"
] | Living and working online is not always easy, especially when it comes to staying focused. All it takes is a moment’s weakness to click on something you shouldn’t and fall down a time-wasting and creativity-killing rabbit hole. Imagine how the creative juices would come to a boil if it were not for the attractive nuisa... | 31 | 11 | [
{
"comment_id": "5884399",
"author": "Lee",
"timestamp": "2019-02-18T12:16:29",
"content": "I can understand why the typewriter, but I don’t understand why the e-ink display rather than a standard LCD or oled display?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,374,033.822864 | ||
https://hackaday.com/2019/02/18/immersive-augmented-reality-on-a-budget/ | Immersive Augmented Reality On A Budget | Tom Nardi | [
"Android Hacks",
"Peripherals Hacks",
"Phone Hacks"
] | [
"augmented reality",
"headset",
"retroreflector",
"virtual reality",
"VKWorld S8"
] | By now we’ve all seen the cheap headsets that essentially stick a smartphone a few inches away from your face to function as a low-cost alternative to devices like Oculus Rift. Available for as little as a few dollars, it’s hard to beat these gadgets for experimenting with VR on a budget. But what about if you’re more ... | 6 | 4 | [
{
"comment_id": "5883146",
"author": "Jan",
"timestamp": "2019-02-18T10:02:26",
"content": "this is very interesting stuff! Can’t wait to read more about this!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5884698",
"author": "Ostracus",
"ti... | 1,760,374,033.756536 | ||
https://hackaday.com/2019/02/17/downloadable-3d-cockpits-enhance-fpv-racing/ | Downloadable 3D Cockpits Enhance FPV Racing | Donald Papp | [
"drone hacks",
"Video Hacks"
] | [
"3d printed",
"cockpit",
"FPV",
"racing",
"rc",
"steering",
"video"
] | First Person View (or First Person Video) in RC refers to piloting a remote-controlled vehicle or aircraft via a video link, and while serious racers will mount the camera in whatever way offers the best advantage, it’s always fun to mount the camera where a miniature pilot’s head would be, and therefore obtain a more ... | 11 | 8 | [
{
"comment_id": "5883962",
"author": "joeatconsultingjoe",
"timestamp": "2019-02-18T11:24:30",
"content": "I was expecting the steering wheel in his arms to move too.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5884635",
"author": "Doubleyou",
... | 1,760,374,033.966212 | ||
https://hackaday.com/2019/02/17/anti-lock-brakes-for-bike-might-make-rides-a-little-safer/ | Anti-Lock Brakes For Bike Might Make Rides A Little Safer | Dan Maloney | [
"Transportation Hacks"
] | [
"abs",
"accelerometer",
"anti-lock braking system",
"bicycles",
"bike",
"brakes",
"disc brakes",
"sensor"
] | Crashing one’s bike is a childhood rite of passage, one that can teach valuable lessons in applied physics. Assuming the kid is properly protected and the crash is fairly tame, scrapes and bruises are exchanged for the wisdom to avoid sand and gravel patches, and how to avoid a ballistic dismount by not applying the fr... | 59 | 19 | [
{
"comment_id": "5882091",
"author": "Digital Corpus",
"timestamp": "2019-02-18T03:28:36",
"content": "It all started with trebuchets. I also sent a tip in, but I figured you guys are just subscribed to his channel and I will see an article in a couple of days ;).It’s good work he is doing though I ... | 1,760,374,033.917414 | ||
https://hackaday.com/2019/02/19/active-strain-relief-for-3d-printer-filament/ | Active Strain Relief For 3D-Printer Filament | Dan Maloney | [
"3d Printer hacks"
] | [
"555",
"buffer",
"extruder",
"feeder",
"filament management",
"pwm",
"sensor",
"tension"
] | Buying 3D-printer filament is little like eating potato chips: you can’t stop at just one. You start with basic black PLA, then you need a particular color for a special project, then you start experimenting with different plastics, and before you know it, you’ve got dozens of reels lined up. Trouble is, unless you mov... | 26 | 10 | [
{
"comment_id": "5888181",
"author": "TERRA Operative",
"timestamp": "2019-02-19T10:14:18",
"content": "Should have used a Raspberry Pi.Wait, what?…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5888210",
"author": "KukSa Man",
"timestamp": "2019-02-1... | 1,760,374,034.030787 | ||
https://hackaday.com/2019/02/18/wifi-hides-inside-a-usb-cable/ | WiFi Hides Inside A USB Cable | Brian Benchoff | [
"Security Hacks"
] | [
"badusb",
"omg",
"OMG Cable",
"security",
"usb"
] | If you weren’t scared of USB cables before, you should be now. The O.MG cable (or Offensive MG kit) from [MG]
hides a backdoor inside the shell of a USB connector
. Plug this cable into your computer and you’ll be the victim of remote attacks over WiFi.
You might be asking what’s inside this tiny USB cable to make it s... | 42 | 16 | [
{
"comment_id": "5887551",
"author": "regulus",
"timestamp": "2019-02-19T07:26:02",
"content": "It’s a good package for tricking the user into plugging it in, and it’s impressive to fit wifi into the small volume this way, but is it made any more dangerous by virtue of being sneaky?I’m not afraid of... | 1,760,374,036.194827 | ||
https://hackaday.com/2019/02/18/mit-iap-tackles-radio/ | MIT IAP Tackles Radio | Al Williams | [
"Radio Hacks"
] | [
"history",
"iap",
"independent activity period",
"mit",
"radio",
"Radio Astronomy",
"sdr",
"software-defined radio"
] | MIT is well known for rigorous courses, but they also have a special four-week term at the start of each year called the IAP — Independent Activities Period. This year, the MIT Radio Society had several interesting presentations on both the history and application of radio. You weren’t there? No problem, as the
nine le... | 2 | 2 | [
{
"comment_id": "5887489",
"author": "RoGeorge",
"timestamp": "2019-02-19T07:04:49",
"content": "Very interesting subject, thank you!:o)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5888985",
"author": "Michael Black",
"timestamp": "2019-02-19T14:48:... | 1,760,374,035.634382 | ||
https://hackaday.com/2019/02/18/inefficient-neopixel-control-solved-with-hardware-hackery/ | Inefficient NeoPixel Control Solved With Hardware Hackery | Eric Evenchick | [
"LED Hacks"
] | [
"74hc123",
"ESP32",
"multivibrator",
"neopixel",
"ram",
"spi"
] | Everyone loves NeoPixels. Individually addressable RGB LEDs at a low price. Just attach an Arduino, load the demo code, and enjoy your blinking lights.
But it turns out that demo code isn’t very efficient. [Ben Heck] practically did a spit take when he discovered that the ESP32 sample code for NeoPixels used a uint32 t... | 40 | 20 | [
{
"comment_id": "5886465",
"author": "deshipu",
"timestamp": "2019-02-19T00:35:48",
"content": "Another possible solution is to switch to APA102 (DotStar) LEDs and simply use SPI directly, like a civilized man.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,036.276499 | ||
https://hackaday.com/2019/02/18/travelling-the-oregon-trail-with-an-apple-ii-robot/ | Travelling The Oregon Trail With An Apple II Robot | Brian Benchoff | [
"classic hacks",
"computer hacks",
"Robots Hacks"
] | [
"apple II",
"basic",
"power supply",
"robot"
] | For one reason or another, we’re going with a retro-futuristic 80s aesthetic in this case,
[Mike] decided to turn an Apple IIe into a robot.
If you have to ask why, you’ll never know, but this project does have some interesting things going for it. There’s a voice synthesizer, a brand spankin’ new power supply, and it ... | 5 | 4 | [
{
"comment_id": "5885829",
"author": "heyhono",
"timestamp": "2019-02-18T21:12:50",
"content": "The Apple II is only decoy. It’s housing a secret quantum computer to which Hawkings mind was transferred to.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5885894... | 1,760,374,035.677881 | ||
https://hackaday.com/2019/02/18/the-rotary-joystick-can-take-a-beating/ | The Rotary Joystick Can Take A Beating | Lewin Day | [
"Retrocomputing"
] | [
"c64",
"Joystick"
] | It’s a well-known fact amongst the older set that games used to be harder. Back in the 1980s, most home computers had awful keyboards, barely adequate joysticks, and the games had to be difficult to have any longevity, because there’s only so much you can fit into a single sided disk. Some of these games became known a... | 13 | 6 | [
{
"comment_id": "5885782",
"author": "EPE",
"timestamp": "2019-02-18T21:00:48",
"content": "This asks for a 555… and I know somebody who did exactly that with exactly that game, back in the eighties…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5888281",
... | 1,760,374,036.017488 | ||
https://hackaday.com/2019/02/18/electron-microscopes-are-awesome-everything-you-didnt-know-you-wanted-to-know/ | Electron Microscopes Are Awesome: Everything You Didn’t Know You Wanted To Know | Mike Szczys | [
"classic hacks",
"cons",
"Hackaday Columns",
"Slider"
] | [
"2018 Hackaday Superconference",
"electron microscope",
"scanning electron microscope",
"sem",
"TEM"
] | Electron microscopes were once the turf of research laboratories that could foot the hefty bill of procuring and maintaining such equipment. But old models have been finding their way into the hands of eager individuals who are giving us an inside look at the rare equipment. Before you start scouring Craigslist, go on ... | 15 | 11 | [
{
"comment_id": "5885761",
"author": "Dave",
"timestamp": "2019-02-18T20:52:15",
"content": "I think for DIY the easiest would be to build an Atomic force microscope which was featured here:https://hackaday.com/2014/04/29/a-diy-atomic-force-microscope/5 years ago",
"parent_id": null,
"depth"... | 1,760,374,036.07743 | ||
https://hackaday.com/2019/02/16/the-magnetic-rubiks-cube/ | The Magnetic Rubik’s Cube | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"3d printer",
"cube",
"embedded parts",
"magnet",
"magnetic",
"magnets",
"Rubik",
"rubiks cube"
] | Ernő Rubik has much to answer for when it comes to the legacy of his namesake cube. It has both enthralled and tormented generations, allowing some to grandstand in the playground while others are forced to admit defeat in the face of a seemingly intractable puzzle.
It just so happens that [Tom Parker] has been working... | 6 | 6 | [
{
"comment_id": "5878020",
"author": "Matt",
"timestamp": "2019-02-17T03:26:44",
"content": "Pretty sure a speedcuber would send those pieces flying across the room on the first move. But it’s still neat I guess.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,374,036.116945 | ||
https://hackaday.com/2019/02/16/drones-rain-down-rat-poison-on-the-galapagos/ | Drones Rain Down Rat Poison On The Galapagos | Brian McEvoy | [
"drone hacks"
] | [
"drone",
"fly",
"Galapagos",
"hexacopter",
"invasive species",
"overpopulation",
"pest control",
"rat",
"vermin"
] | If your favorite movie is
Ratatouille
, now would be a good time to read a different article. Rats on the Galápagos Islands are an invasive species and eradication is underway. This is not a first for the islands, and they are fiercely protected since they are the exclusive home to some species including the distinctiv... | 19 | 8 | [
{
"comment_id": "5877813",
"author": "TL",
"timestamp": "2019-02-17T00:29:24",
"content": "The only problem with dropping rat poison in the open is other animals might also eat the poison. one way around this is to use a poison that breaks down after two weeks so it can’t continue to kill unintende... | 1,760,374,035.738305 | ||
https://hackaday.com/2019/02/16/biodegradable-implants-supercharge-nerve-regeneration/ | Biodegradable Implants Supercharge Nerve Regeneration | Brian McEvoy | [
"Medical Hacks",
"News"
] | [
"axon",
"Delayed nerve repair",
"Electrical stimulation",
"electroceutical",
"magnet",
"medical",
"neurotherapeutics",
"Peripheral nerve injury",
"Peripheral nerve regeneration",
"Side-to-side crossbridges"
] | Controlled electrical stimulation of nerves can do amazing things. It has been shown to encourage healing and growth in damaged cells of the peripheral nervous system which means regaining motor control and sensation in a shorter period with better results. This type of treatment is referred to as an electroceutical, a... | 8 | 4 | [
{
"comment_id": "5877621",
"author": "Piecutter",
"timestamp": "2019-02-16T21:57:19",
"content": "Hmmm…. any effect on cerebral neurons?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5877666",
"author": "Hirudinea",
"timestamp": "2019-02-16T22:34:47",... | 1,760,374,035.848805 | ||
https://hackaday.com/2019/02/16/build-your-own-dial-up-isp-with-a-raspberry-pi/ | Build Your Own Dial-up ISP With A Raspberry Pi | Brian Benchoff | [
"Network Hacks"
] | [] | The bing-bongs, screeches, and whiirings of a diai-up modem are long forgotten now. For good reason. Dial up was slow, and if you’re one of those unlucky people reading this and waiting for the animated gif above this paragraph to load, you have our condolences. But still, nostalgia. It bit [Doge Microsystems] hard,
an... | 30 | 15 | [
{
"comment_id": "5877364",
"author": "ellisgl",
"timestamp": "2019-02-16T18:06:52",
"content": "Direct link, instead a Twitter stream:https://dogemicrosystems.ca/wiki/Dial_up_server",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5877447",
"author": "... | 1,760,374,035.80751 | ||
https://hackaday.com/2019/02/16/lego-monorail-from-your-3d-printer/ | Lego Monorail From Your 3D Printer | Jenny List | [
"Toy Hacks"
] | [
"lego",
"lego monorail",
"monorail"
] | If you had to guess the age of a person hailing from a country in which Lego is commonly available, you might very well do it by asking them about the Lego trains available in their youth. Blue rails or grey rails, 4.5, 9, or 12 volt power, and even somewhat unexpectedly, one rail or two. If that last question surprise... | 5 | 3 | [
{
"comment_id": "5877333",
"author": "peter gozenya",
"timestamp": "2019-02-16T17:42:41",
"content": "I make my nephew lego stuff all the time. The lego batwing on thingiverse is awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5877711",
"author": ... | 1,760,374,036.466551 | ||
https://hackaday.com/2019/02/16/how-do-you-etch-something-you-cant-move/ | How Do You Etch Something You Can’t Move? | Tom Nardi | [
"chemistry hacks"
] | [
"appliances",
"electroetching",
"etching",
"kitchen",
"marking"
] | We probably don’t need to tell this to the average Hackaday reader, but we’re living in a largely disposable society. Far too many things are built as cheaply as possible, either because manufacturers know you won’t keep it for long, or because they don’t want you to. Of course, the choice if yours if you wish to you a... | 24 | 6 | [
{
"comment_id": "5876962",
"author": "Milan Gajic",
"timestamp": "2019-02-16T12:16:45",
"content": "Ecthing is a really good way to personalise your things and make them look much nicer. But, and I’m just throwing this out there, what we really need is an easy way to make detailed sencils. Some meth... | 1,760,374,036.578502 | ||
https://hackaday.com/2019/02/16/cnc-tellurion-lets-you-see-the-earth-and-moon-dance/ | CNC Tellurion Lets You See The Earth And Moon Dance | Dan Maloney | [
"cnc hacks",
"Space"
] | [
"celestial",
"cnc",
"g-code",
"orbital",
"orrery",
"precession",
"tellurion",
"Tilt"
] | Kids – they’re such a treasure. One minute you’re having a nice chat, the next minutes they’re testing your knowledge of the natural world with a question like, “Why can we see the Moon during the day?” And before you know it, you’re building
a CNC Earth-Moon orbital model
.
We’ve got to applaud [sniderj]’s commitment ... | 11 | 5 | [
{
"comment_id": "5876803",
"author": "Phrewfuf",
"timestamp": "2019-02-16T10:19:50",
"content": "> The video below shows the tellurion going through a couple of hundred years of the saros at warp speed.One. It goes through the cycle of exactly one year.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,036.511951 | ||
https://hackaday.com/2019/02/17/hackaday-links-february-17-2019/ | Hackaday Links: February 17, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"ai",
"jpl",
"OP-1",
"retrocomputing",
"teenage engineering"
] | There is a population of retrocomputing enthusiasts out there, whose basements, garages, and attics have been taken over by machines of years past. Most of the time, these people concentrate on one make; you’re an Apple guy, or you’re a Commodore guy, or you’re a Ford guy, or you’re a Chevy guy. The weirdos drive aroun... | 43 | 17 | [
{
"comment_id": "5881635",
"author": "pelrun",
"timestamp": "2019-02-18T00:39:55",
"content": "Is there a distinction between reading HaD yourself with an adblocker on, and taking HaD content and selling it for your own profit? The world will never know the answer to this mystery.",
"parent_id":... | 1,760,374,037.402189 | ||
https://hackaday.com/2019/02/17/how-to-program-a-really-cheap-microcontroller/ | How To Program A Really Cheap Microcontroller | Brian Benchoff | [
"Microcontrollers"
] | [
"CH552",
"CH554",
"programming",
"usb"
] | There are rumors of a cheap chip that does USB natively, has an Open Source toolchain, and costs a quarter. These aren’t rumors: you can buy the CH552 microcontroller right now. Surprisingly, there aren’t many people picking up this cheap chip for their next project. If there’s no original projects using this chip, no ... | 60 | 17 | [
{
"comment_id": "5881154",
"author": "slincolne",
"timestamp": "2019-02-17T21:22:17",
"content": "There seem to be quite a limited number of suppliers – Ali Express does not stock them – strange.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5882139",
... | 1,760,374,037.156309 | ||
https://hackaday.com/2019/02/17/a-lightweight-avr-ide/ | A Lightweight AVR IDE | Lewin Day | [
"classic hacks",
"Microcontrollers"
] | [
"assembly code",
"assembly language",
"AVR",
"avrdude",
"code",
"coding",
"ide"
] | It’s entirely possible to do your coding in vim or emacs, hammering out hotkeys to drive the interface and bring your code to life. While working in such a way has its charms, it can be confronting to new coders, and that’s before even considering trying to understand command line compiler settings. The greenhorn coder... | 11 | 5 | [
{
"comment_id": "5880935",
"author": "dcfusor2015",
"timestamp": "2019-02-17T19:55:50",
"content": "“confronting to new coders”… a better wording might be “intimidating” or “confusing”.We are all confronted with challenges, but that’s a pretty weird word selection in this context.",
"parent_id":... | 1,760,374,036.973019 | ||
https://hackaday.com/2019/02/17/infinity-icosahedron-is-difficult-to-contemplate-even-looking-right-at-it/ | Infinity Icosahedron Is Difficult To Contemplate Even Looking Right At It | Lewin Day | [
"LED Hacks"
] | [
"ESP32",
"icosahedron",
"infinity",
"infinity mirror",
"led",
"leds"
] | Cubes and pyramids are wonderful primitive three-dimensional objects, but everyone knows that the real mystical power is in icosahedrons. Yes, the twenty-sided polyhedron does more than just ruin your saving throws in tabletop RPGs –
it can also glow and look shiny in your loungeroom at home.
[janth]’s build relies on ... | 13 | 9 | [
{
"comment_id": "5879752",
"author": "Eric Chapin",
"timestamp": "2019-02-17T18:09:41",
"content": "Great now I need to make one. Where would I get properly cut glass to make this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5880442",
"author": "l... | 1,760,374,036.851722 | ||
https://hackaday.com/2019/02/17/command-line-utilities-in-the-cloud/ | Command Line Utilities… In The Cloud? | Al Williams | [
"Linux Hacks"
] | [
"cli",
"command line",
"curl",
"linux",
"telnet"
] | Although many people think of Linux-based operating systems as graphical, really that GUI is just another application running over the bare operating system. Power users, remote administrators, and people running underpowered computers like a Raspberry Pi have a tendency to do more with command line tools. [Igor] did a... | 40 | 9 | [
{
"comment_id": "5879083",
"author": "limroh",
"timestamp": "2019-02-17T14:31:13",
"content": "This is why I still have a lot of distaste towards GNU/Linux – the archaic insistence on solely depending on a punchcardage user interface for all/any important (administration, configuration etc.) tasks.I... | 1,760,374,037.056414 | ||
https://hackaday.com/2019/02/17/identifying-a-3d-printer-from-a-3d-print/ | Identifying A 3D Printer From A 3D Print | Richard Baguley | [
"3d Printer hacks"
] | [
"3d printer",
"forensics"
] | A TV crime show I saw recently centered on the ability of forensic scientists to identify a plastic bag as coming from a particular roll: it’s all down to the striations, apparently. This development isn’t fiction, though: researchers at the University of Buffalo have figured out how to
identify the individual 3D print... | 37 | 24 | [
{
"comment_id": "5878515",
"author": "Scott T Winterringer",
"timestamp": "2019-02-17T09:21:41",
"content": "just change your nozzle, filament, and ptfe. job done thermals and pressure are different.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5878516",
... | 1,760,374,036.92786 | ||
https://hackaday.com/2019/02/16/calling-world-cup-goals-before-they-happen-by-polling-a-betting-site/ | Calling World Cup Goals Before They Happen, By Polling A Betting Site | Donald Papp | [
"Software Hacks"
] | [
"betting",
"broadcast delay",
"fifa",
"polling",
"predicting",
"sports",
"world cup"
] | [Ben] made an interesting discovery during the FIFA World Cup in 2018, and used it to
grant himself the power to call goals before they happened
. Well, before they happened on live TV or live streaming, anyway. It was possible because of the broadcast delay on “live” broadcasts, combined with the sports betting indust... | 8 | 6 | [
{
"comment_id": "5878248",
"author": "jafinch78",
"timestamp": "2019-02-17T06:14:35",
"content": "I recall at a convention someone who used the Unscrambler claiming he was doing amazingly well with the sports spread or whatever the gambling event is. Figured out patterns when loading the historical... | 1,760,374,037.201409 | ||
https://hackaday.com/2019/02/15/you-are-your-own-tactile-feedback/ | You Are Your Own Tactile Feedback | Brian McEvoy | [
"Musical Hacks",
"Wearable Hacks"
] | [
"cloth",
"e-textile",
"fabric",
"material",
"music",
"sound",
"textile",
"touch"
] | [Maurin Donneaud] has clearly put a lot of work into making a
large flexible touch sensitive cloth
, providing a clean and intuitive interface, and putting it out there for anyone to integrate into their own project.. This pressure sensing fabric is touted as an electronic musical interface, but if you only think about... | 1 | 1 | [
{
"comment_id": "5876943",
"author": "Drix",
"timestamp": "2019-02-16T12:06:44",
"content": "More here:https://matrix.etextile.org",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,037.236465 | ||
https://hackaday.com/2019/02/15/this-kerosene-lantern-becomes-a-compact-bioreactor/ | This Kerosene Lantern Becomes A Compact Bioreactor | Lewin Day | [
"Misc Hacks"
] | [
"biology",
"bioreactor",
"lantern"
] | A bioreactor is a useful thing to have in any biology lab. Fundamentally, it’s a tank in which biological activity can be nurtured and controlled. [The Thought Emporium] needed a visual aid for an upcoming video on bioluminescent bacteria, but figured a single test tube full of the little critters just wasn’t visually ... | 1 | 1 | [
{
"comment_id": "5876240",
"author": "Nate B",
"timestamp": "2019-02-16T03:09:46",
"content": "Pretty sure the UV that makes highlighter glow is not the same UV that kills things in a reasonable amount of time.Otherwise, really neat.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,037.44218 | ||
https://hackaday.com/2019/02/15/this-home-made-power-hacksaw-cuts-quick-and-clean/ | This Home Made Power Hacksaw Cuts Quick And Clean | Lewin Day | [
"Tool Hacks"
] | [
"automatic hacksaw",
"drill",
"hacksaw",
"power hacksaw",
"powered hacksaw"
] | If you’re cutting metal in the workshop, you’re likely using a table-mounted cutoff saw, or perhaps a bandsaw for finer work. The power hacksaw is an unwieldy contraption that looks and feels very old fashioned in its operation. Despite the drawbacks inherent in the design,
[Emiel] decided to build one that operates un... | 17 | 11 | [
{
"comment_id": "5876047",
"author": "H",
"timestamp": "2019-02-16T00:30:48",
"content": "And if you have a loaf of bread and a bologna you can make sandwiches!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5876048",
"author": "Andy Pugh",
"timestamp"... | 1,760,374,037.496457 | ||
https://hackaday.com/2019/02/15/is-that-a-word-clock-in-your-pocket/ | Is That A Word Clock In Your Pocket? | Tom Nardi | [
"clock hacks",
"LED Hacks",
"Microcontrollers"
] | [
"bluetooth",
"clock",
"Espruino",
"led matrix",
"word clock"
] | Word clocks are one of those projects that everyone seems to love. Even if you aren’t into the tech behind how they work, they have a certain appealing aesthetic. Plus you can read the time without worrying about those pesky numbers, to say nothing of those weird little hands that spin around in a circle. This is the 2... | 10 | 6 | [
{
"comment_id": "5875837",
"author": "NSFW",
"timestamp": "2019-02-15T21:39:48",
"content": "This is beautiful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5875859",
"author": "Thor Anderson",
"timestamp": "2019-02-15T21:50:13",
"content": "Cool... | 1,760,374,037.977306 | ||
https://hackaday.com/2019/02/15/understanding-math-rather-than-merely-learning-it/ | Understanding Math Rather Than Merely Learning It | Al Williams | [
"3d Printer hacks",
"cons",
"Hackaday Columns"
] | [
"2018 Hackaday Superconference",
"calculus",
"leibniz",
"math",
"newton",
"Supercon"
] | There’s a line from the original Star Trek where Khan says, “Improve a mechanical device and you may double productivity, but improve man and you gain a thousandfold.” Joan Horvath and Rich Cameron have the same idea about improving education, particularly autodidacticism or self-learning. They share what they’ve
learn... | 46 | 23 | [
{
"comment_id": "5875738",
"author": "RoGeorge",
"timestamp": "2019-02-15T19:35:20",
"content": "Define understanding.:o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5875752",
"author": "[EGO]",
"timestamp": "2019-02-15T19:51:20",
... | 1,760,374,038.072145 | ||
https://hackaday.com/2019/02/15/airbus-to-halt-production-of-the-a380-goodbye-to-an-engineering-triumph/ | Airbus To Halt Production Of The A380; Goodbye To An Engineering Triumph | Brian Benchoff | [
"Current Events",
"Hackaday Columns",
"News",
"Transportation Hacks"
] | [
"A380",
"aircraft",
"business",
"jumbo"
] | Eleven years ago, the Airbus A380 entered commercial service with Singapore Airlines. In the time since then it has become the queen of the skies. It’s a double-decker airliner, capable of flying 550 passengers eight thousand nautical miles. Some configurations of the A380 included private suites. Some had a shower. Th... | 50 | 19 | [
{
"comment_id": "5875673",
"author": "Marc Lacoste",
"timestamp": "2019-02-15T18:21:19",
"content": "Smaller widebody twinjets are not more efficient, all are similar in seat costs due to similar engine efficiency, weight and aero, but at the same seat cost a smaller airliner can give more frequenci... | 1,760,374,037.882392 | ||
https://hackaday.com/2019/02/15/hackaday-podcast-006-reversing-ipod-screens-hot-isotopes-we-3-parts-and-biometric-toiletseats/ | Hackaday Podcast 006: Reversing IPod Screens, Hot Isotopes, We <3 Parts, And Biometric Toiletseats | Mike Szczys | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"ESP32",
"FPV",
"LED wall",
"partmaker",
"parts",
"Plutonium",
"pu-238",
"toilet seat",
"V2 rockets",
"venturi effect"
] | What’s the buzz in the hackersphere this week? Hackaday Editors Elliot Williams and Mike Szczys recap their favorite hacks and articles from the past seven days. In Episode Six we cover an incredible reverse engineering effort Mike Harrison put in with iPod nano replacement screens. We dip our toes in the radioactive w... | 2 | 2 | [
{
"comment_id": "5904718",
"author": "wasabi102",
"timestamp": "2019-02-22T19:33:13",
"content": "One of the places that you can hang out in Saigon is the Tous les jours chain of sweets and treats. The sweets over there are delicious and you can enjoy it with a side of “Cafe sua da” (iced coffee wit... | 1,760,374,037.924846 | ||
https://hackaday.com/2019/02/14/now-hackaday-looks-great-on-the-small-screen-too/ | Now Hackaday Looks Great On The Small Screen Too | Mike Szczys | [
"Misc Hacks"
] | [
"meta",
"mobile",
"responsive design"
] | Most of use read and comment on Hackaday from the desktop, while we let our mind work through the perplexing compiler errors, wait for that 3D print to finish, or lay out the next PCB. But more and more people discovering Hackaday for the first time are arriving here on mobile devices, and now they’ll be greeted with a... | 64 | 33 | [
{
"comment_id": "5872815",
"author": "Chekr",
"timestamp": "2019-02-14T22:46:16",
"content": "While I’m a fan of the attempt to support mobile better, can it be altered to allow zooming in and out in mobile mode, please? The locked zoom is pretty awful.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,038.250905 | ||
https://hackaday.com/2019/02/14/new-part-day-a-risc-v-cpu-for-eight-dollars/ | New Part Day: A RISC-V CPU For Eight Dollars | Brian Benchoff | [
"Hackaday Columns"
] | [
"Seeed",
"seeed studios",
"Sipeed",
"Sipeed K210"
] | RISC-V is the new hotness, and companies are churning out code and announcements, but little actual hardware. Eventually, we’re going to get to the point where RISC-V microcontrollers and SoCs cost just a few bucks. This day might be here, with
Seeed’s Sipeed MAix modules
. it’s a RISC-V chip you can buy right now, the... | 41 | 15 | [
{
"comment_id": "5872550",
"author": "Jii",
"timestamp": "2019-02-14T21:15:17",
"content": "Well, that escalated quickly",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5872589",
"author": "pborges475",
"timestamp": "2019-02-14T21:32:41",
"content":... | 1,760,374,038.152512 | ||
https://hackaday.com/2019/02/14/supercon-2018-mike-szczys-and-the-state-of-the-hackaday/ | Supercon 2018: Mike Szczys And The State Of The Hackaday | Elliot Williams | [
"cons",
"Hackaday Columns",
"Interest"
] | [
"2018 Hackaday Superconference",
"future",
"science",
"state of the hackaday",
"talk"
] | Every year at Superconference, Editor-in-Chief Mike Szczys gets the chance to talk about what we think are the biggest, most important themes in the Hackaday universe. This year’s talk was about science and technology, and more importantly who gets to be involved in building the future. Spoiler: all of us! Hackaday has... | 12 | 3 | [
{
"comment_id": "5872244",
"author": "cgizmo",
"timestamp": "2019-02-14T19:37:39",
"content": "Needs to change his name to Mike Idliketobuyavowel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5872874",
"author": "Gravis",
"timestamp": "2019... | 1,760,374,038.36997 | ||
https://hackaday.com/2019/02/14/new-part-day-a-sensor-chip-for-3d-color-x-ray-imaging/ | New Part Day : A Sensor Chip For 3D Color X-Ray Imaging | Anool Mahidharia | [
"Hackaday Columns",
"hardware"
] | [
"counter",
"detector",
"gamma ray",
"gamma ray detector",
"New Part Day",
"photon",
"sensor",
"x-ray",
"x-ray imaging"
] | We all know CERN as that cool place where physicists play with massive, superconducting rings to smash atoms and subatomic particles to uncover secrets of matter in the Universe. To achieve this aim, they need to do a ton of research in other areas, such as development of special particle detectors.
While such developm... | 19 | 9 | [
{
"comment_id": "5871985",
"author": "CRJEEA",
"timestamp": "2019-02-14T18:13:41",
"content": "Interesting how they took a leaf from the human eye and compare pixels. This concept could quite easily be modified to add hardware based edge detection.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,038.313587 | ||
https://hackaday.com/2019/02/14/text-projector-with-you-know-lasers/ | Text Projector With — You Know — Lasers | Al Williams | [
"Arduino Hacks",
"ARM",
"Laser Hacks"
] | [
"blue pill",
"laser",
"mirror",
"raster",
"stm"
] | We missed [iliasam’s] laser text projector when it first appeared, perhaps because the original article was in Russian. However, he recently
reposted in English
and it really caught our eye. You can see a short video of it in operation, below.
The projector uses raster scanning where the beam goes over each spot in a g... | 9 | 5 | [
{
"comment_id": "5871994",
"author": "LordNothing",
"timestamp": "2019-02-14T18:16:37",
"content": "i wont be happy until i see someone use this as an ssh terminal.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5872618",
"author": "Feinfinger",
... | 1,760,374,038.669326 | ||
https://hackaday.com/2019/02/14/the-problem-with-self-driving-cars-the-name/ | The Problem With Self-Driving Cars: The Name | Brian Benchoff | [
"Featured"
] | [
"cryptocyber",
"greek",
"linguistics",
"self-driving cars"
] | In 1899, you might have been forgiven for thinking the automobile was only a rich-man’s toy. A horseless carriage was for flat garden pathways. The auto was far less reliable than a horse. This was new technology, and rich people are always into their gadgets, but the automobile is a technology that isn’t going to go a... | 103 | 30 | [
{
"comment_id": "5871404",
"author": "Miroslav",
"timestamp": "2019-02-14T15:10:44",
"content": "Norbert Wiener. Not Weiner.And no, hyping the self-driving cars will not make them drive any better.I’m scared to think what a self-driving car would do on a freezing rain day, in a cloudy Canadian night... | 1,760,374,038.609059 | ||
https://hackaday.com/2019/02/14/the-future-of-fritzing-is-murky-at-best/ | The Future Of Fritzing Is Murky At Best | Brian Benchoff | [
"Misc Hacks"
] | [
"FOSDEM",
"fritzing",
"open source"
] | Fritzing is a very nice Open Source design tool for PCBs, electrical sketches, and schematics for designers and artists to move from a prototype to real hardware. Over the years, we’ve seen fantastic projects built with Fritzing. Fritzing has been the subject of books, lectures, and educational courses, and the impact ... | 69 | 23 | [
{
"comment_id": "5869976",
"author": "donotdespisethesnake",
"timestamp": "2019-02-14T12:03:21",
"content": "Obviously I am biased because my encounters with Fritzing were horrific (yes, even worse than the Arduino headers), so perhaps the future is something better than Fritzing.",
"parent_id":... | 1,760,374,038.779577 | ||
https://hackaday.com/2019/02/15/building-a-semiautomatic-swag-launcher/ | Building A Semiautomatic Swag Launcher | Tom Nardi | [
"Arduino Hacks",
"hardware",
"Robots Hacks"
] | [
"button",
"dispenser",
"servo",
"swag",
"track"
] | Regular readers of Hackaday have certainly seen the work of [Jeremy Cook] at this point. Whether you remember him from his time as a writer for this fine online publication, or recognize the name from one of his impressive builds over the last few years, he’s a bona fide celebrity around these parts. In fact, he’s so m... | 4 | 3 | [
{
"comment_id": "5875554",
"author": "Jeremy Cook",
"timestamp": "2019-02-15T17:21:26",
"content": "Great writeup, thanks for the feature!Not a bad idea to have people work a bit harder for the buttons – if it counts, not every position inside the circle seemed to trigger it :-)",
"parent_id": n... | 1,760,374,038.821446 | ||
https://hackaday.com/2019/02/15/in-space-no-one-can-hear-you-explode-the-byford-dolphin-incident/ | In Space, No One Can Hear You Explode: The Byford Dolphin Incident | Al Williams | [
"Featured",
"Interest",
"Slider"
] | [
"decompression",
"explosive decompression",
"nasa",
"space",
"vacuum"
] | “It wouldn’t happen that way in real life.” One of the most annoying habits of people really into the “sci” of sci-fi is nitpicking scientific inaccuracies in movies. The truth is, some things just make movies better, even if they are wrong.
What would
Star Wars
be without the sounds of an epic battle in space where th... | 47 | 10 | [
{
"comment_id": "5875271",
"author": "Ostracus",
"timestamp": "2019-02-15T15:15:13",
"content": "“The bell was blown away and the victims suffered a variety of effects ranging from their circulatory systems jamming up with suddenly insoluble fats to violent decompression that left internal body part... | 1,760,374,038.921997 | ||
https://hackaday.com/2019/02/15/juicing-up-the-chevy-volt-with-raspberry-pi/ | Juicing Up The Chevy Volt With Raspberry Pi | Tom Nardi | [
"car hacks",
"Raspberry Pi",
"Transportation Hacks"
] | [
"CAN",
"car hacking",
"chevy volt",
"electric car",
"hybrid",
"OBD",
"volt"
] | While Chevrolet’s innovative electric hybrid might officially be headed to that great big junkyard in the sky, the Volt will still live on in the hearts and minds of hackers who’d rather compare amp hour than horsepower. For a relatively low cost, a used Volt offers the automotive hacker a fascinating platform for upgr... | 31 | 9 | [
{
"comment_id": "5874993",
"author": "Francis Theodore Catte",
"timestamp": "2019-02-15T13:22:19",
"content": "I agree that non-tactile buttons/knobs on a car are… insane. even actual tactile buttons that’re all the same size, shape and texture. having to take your eyes off the road to read the tiny... | 1,760,374,038.995359 | ||
https://hackaday.com/2019/02/15/cob-led-teardown/ | COB LED Teardown | Al Williams | [
"LED Hacks",
"Teardown"
] | [
"chip on board",
"COB",
"led"
] | [Big Clive] picked up some chip-on-board (COB) LEDs meant for hydroponics that were very unusual and set out to examine them on video. Despite damaging the board almost right away, he managed to do
some testing on these arrays
and you can see the results in the video below. He also compares it to older LED modules.
The... | 15 | 5 | [
{
"comment_id": "5874611",
"author": "eni",
"timestamp": "2019-02-15T11:08:08",
"content": "Does anyone knows if those kind of COB modules with integrated drivers are dimmable?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5874814",
"author": "2ftg"... | 1,760,374,039.134112 | ||
https://hackaday.com/2019/02/14/python-script-sends-each-speaker-its-own-sound-file/ | Python Script Sends Each Speaker Its Own Sound File | Anool Mahidharia | [
"digital audio hacks",
"Raspberry Pi"
] | [
"audio",
"python",
"raspberry pi",
"sounddevice"
] | When it comes to audio, the number of speakers you want is usually governed by the number of tracks or channels your signal has. One for mono, two for stereo, four for quadrophonic, five or more for surround sound and so on. But all of those speakers are essentially playing different tracks from a “single” audio signal... | 8 | 5 | [
{
"comment_id": "5874221",
"author": "Shrad",
"timestamp": "2019-02-15T08:17:23",
"content": "One cannot do without recommending to listen to Neurosis – Times Of Grace along with Tribes Of Neurot – Grace superimposed… two albums composed to specifically overlap and produce a third onehttps://www.you... | 1,760,374,039.043089 | ||
https://hackaday.com/2019/02/14/fpga-makes-digital-analog-computer/ | FPGA Makes Digital Analog Computer | Al Williams | [
"FPGA"
] | [
"analog",
"bruce land",
"cornell",
"fpga"
] | When you think of analog computing, it’s possible you don’t typically think of FPGAs. Sure, a few FPGAs will have specialized analog blocks, but usually they are digital devices. [Bruce Land] — a name well-known to Hackaday — has a post about building a
digital differential analyzer
using an FPGA and it is essentially ... | 6 | 4 | [
{
"comment_id": "5873674",
"author": "jrfl",
"timestamp": "2019-02-15T04:14:47",
"content": "I love the idea, and the writeup is suburb as is the code provided. My favorite part of it all however is the no-nonsense website, which reminds me of the better days if the internet back when I was still in... | 1,760,374,039.081194 | ||
https://hackaday.com/2019/02/14/be-ready-to-roll-with-universal-electronic-dice/ | Be Ready To Roll With Universal Electronic Dice | Tom Nardi | [
"ATtiny Hacks",
"Games"
] | [
"ATtiny1614",
"binary",
"cr2032",
"dice",
"electronic dice"
] | There are applications you can download for your smartphone that can “roll” an arbitrary number of dice with whatever number of sides you could possibly want. It’s faster and easier than throwing physical dice around, and you don’t have to worry about any of them rolling under the couch. No matter how you look at it, i... | 4 | 3 | [
{
"comment_id": "5874952",
"author": "Javier",
"timestamp": "2019-02-15T13:01:58",
"content": "well here is my dice with atmega8https://www.youtube.com/watch?v=-Wg9T4m-F6Ithe entropy comes from present temperature + light + 4 adc channels floating + last dice result",
"parent_id": null,
... | 1,760,374,039.207478 | ||
https://hackaday.com/2019/02/14/creating-coherent-sound-beams-easily/ | Creating Coherent Sound Beams, Easily | Bryan Cockfield | [
"Laser Hacks"
] | [
"audible",
"focused",
"laser",
"sound",
"ultrasonic"
] | Lasers work by emitting light that is “coherent” in that it doesn’t spread out in a disorganized way like light from most sources does. This makes extremely focused beams possible that can do things like measure the distance from the Earth to the Moon. This behavior isn’t just limited to electromagnetic waves, though. ... | 57 | 28 | [
{
"comment_id": "5869591",
"author": "*Ahem*",
"timestamp": "2019-02-14T09:18:14",
"content": "Ventriloquism for everyone? The wonder of technology; the ability to ‘cast’ inappropriate sounds at the backside of innocent bystanders.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,039.396886 | ||
https://hackaday.com/2019/02/13/the-vedolyzer-was-high-tech-repair-gear-for-1939/ | The Vedolyzer Was High Tech Repair Gear For 1939 | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"supreme instruments",
"vedolyzer",
"vintage"
] | There’s an old joke that all you need to fix TVs is a cheater, a heater, and a meter. If you don’t remember, a cheater was a cord to override the interlock on TVs so you could turn them on with the back removed. Of course, in real life, pro repair techs always had better equipment. In 1939 that might have meant the Sup... | 15 | 8 | [
{
"comment_id": "5869246",
"author": "Levi",
"timestamp": "2019-02-14T06:11:45",
"content": "I love Mr Carlson’s Lab!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5869798",
"author": "BT",
"timestamp": "2019-02-14T10:53:00",
"conten... | 1,760,374,039.304392 | ||
https://hackaday.com/2019/02/13/laser-light-show-turned-into-graphical-equalizer/ | Laser Light Show Turned Into Graphical Equalizer | Bryan Cockfield | [
"Musical Hacks"
] | [
"arduino",
"equalizer",
"laser",
"light show",
"music",
"servo",
"shutter"
] | The gold standard for laser light shows during rock concerts is Pink Floyd, with shows famous for visual effects as well as excellent music. Not all of us have the funding necessary to produce such epic tapestries of light and sound, but with a little bit of hardware we can get something close. [James]’s latest project... | 25 | 9 | [
{
"comment_id": "5868971",
"author": "echodelta",
"timestamp": "2019-02-14T04:03:48",
"content": "This is not an equalizer. It is a display. Equalization is a process done to something like an audio signal. I once saw a pair of rack mounted 31 band equalizers with 62 Knobs in 6 rows not sliders in a... | 1,760,374,039.884011 | ||
https://hackaday.com/2019/02/13/the-empire-strikes-back-with-the-esp8266/ | The Empire Strikes Back With The ESP8266 | Tom Nardi | [
"LED Hacks",
"Microcontrollers"
] | [
"blynk",
"ESP8266",
"NodeMCU",
"servo",
"star wars",
"turret"
] | Like many of us, [Matthew Wentworth] is always looking for a reason to build something. So when he found a 3D model of the “DF.9” laser turret from
The Empire Strikes Back
intended for Star Wars board games on Thingiverse, he decided it was a perfect
excuse
opportunity to not only
try his hand at remixing an existing 3... | 1 | 1 | [
{
"comment_id": "5868561",
"author": "Phirzcol",
"timestamp": "2019-02-14T00:38:32",
"content": "Making a Bluetooth speaker out of a Millennium Falcon I 3d printed",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,039.631277 | ||
https://hackaday.com/2019/02/13/palm-sized-gatling-gun-has-32-mini-elastics-with-your-name-on-them/ | Palm-Sized Gatling Gun Has 32 Mini Elastics With Your Name On Them | Donald Papp | [
"Weapons Hacks"
] | [
"3d printed",
"continuous rotation",
"continuous rotation servo",
"elastic",
"elastic band",
"gatling",
"motor",
"servo",
"shooter"
] | One thing 3D printers excel at is being able to easily create objects that would be daunting by other methods, something that also allows for rapid design iteration. That’s apparent in [Canino]’s
palm-sized, gatling-style, motorized 32-elastic launcher
.
The cannon has a rotary barrel driven by a small motor, and a cle... | 15 | 12 | [
{
"comment_id": "5867787",
"author": "dexdrako",
"timestamp": "2019-02-13T21:16:03",
"content": "should have just used string wound around the drum instead of the arm as it would do the same thing and simplified the design",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,374,039.682782 | ||
https://hackaday.com/2019/02/13/three-conductor-pivot-for-e-textiles-is-better-than-wires/ | Three-Conductor Pivot For E-Textiles Is Better Than Wires | Donald Papp | [
"Wearable Hacks"
] | [
"copper tape",
"diy",
"e-textile",
"flexible PCB",
"hall effect",
"Kapton",
"pivot",
"sensor",
"textile",
"wearable"
] | Pivots for e-textiles can seem like a trivial problem. After all, wires and fabrics bend and flex just fine. However, things that are worn on a body can have trickier needs. Snap connectors are the usual way to get both an electrical connection and a pivot point, but they provide only a single conductor. When [KOBAKANT... | 1 | 1 | [
{
"comment_id": "5871201",
"author": "TacticalNinja",
"timestamp": "2019-02-14T13:57:57",
"content": "Why not just make a fabric pocket/holder that’s attached to the wrist band, instead of using the actual electrical connection with a button?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,039.717674 | ||
https://hackaday.com/2019/02/13/hack-my-house-garage-door-cryptography-meets-raspberry-pi/ | Hack My House: Garage Door Cryptography Meets Raspberry Pi | Jonathan Bennett | [
"Hackaday Columns",
"home hacks",
"Raspberry Pi",
"Skills",
"Slider"
] | [
"garage door",
"home automation",
"raspberry pi",
"relay",
"RESTful"
] | Today’s story is one of victory and defeat, of mystery and adventure… It’s time to automate the garage door. Connecting the garage door to the internet was a must on my list of smart home features. Our opener has internet connection capabilities built-in. As you might guess, I’m very skeptical of connecting a device to... | 57 | 21 | [
{
"comment_id": "5867323",
"author": "CRImier",
"timestamp": "2019-02-13T18:07:44",
"content": "Kinda disappointed the crypto part wasn’t pursued, would be interesting to see it get dismantled (working on a similar thing this exact moment). Also, the WordPress code block formatter seems to have butc... | 1,760,374,039.991903 | ||
https://hackaday.com/2019/02/13/western-digital-releases-their-risc-v-cores-to-the-world/ | Western Digital Releases Their RISC-V Cores To The World | Brian Benchoff | [
"News"
] | [
"RISC-V",
"SweRV",
"western digital"
] | What grew out of a university research project is finally becoming real silicon. RISC-V, the ISA that’s completely Big-O Open, is making inroads in dev boards, Arduino-ish things, and some light Internet of Things things. That’s great and all, but it doesn’t mean anything until you can find RISC-V cores in actual produ... | 66 | 9 | [
{
"comment_id": "5867226",
"author": "Jeff",
"timestamp": "2019-02-13T16:55:02",
"content": "Very nice! Hopefully this will creep its way into other things over time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5867244",
"author": "donotdespisethesnake"... | 1,760,374,040.096535 | ||
https://hackaday.com/2019/02/13/the-impossible-tech-behind-spacexs-new-engine/ | The “Impossible” Tech Behind SpaceX’s New Engine | Tom Nardi | [
"Current Events",
"Engine Hacks",
"Featured",
"Slider",
"Space"
] | [
"full-flow staged combustion",
"gas generator",
"preburner",
"SpaceX",
"starship",
"turbine"
] | Followers of the Church of Elon will no doubt already be aware of SpaceX’s latest technical triumph: the test firing of the first full-scale Raptor engine. Of course, it was hardly a secret. As he often does, Elon has been “leaking” behind the scenes information, pictures, and even video of the event on his Twitter acc... | 92 | 29 | [
{
"comment_id": "5867075",
"author": "Mike",
"timestamp": "2019-02-13T15:16:25",
"content": "That Elon post doesn’t look totally staged at all! lolIn his stationary hand is an electrical tester or soldering iron? and his blurry hand is a ratchet?",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,040.230413 |
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