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https://hackaday.com/2019/07/26/hackaday-podcast-028-brain-skepticism-turned-up-to-11-web-browsing-in-69-verilog-for-7400-logic-3d-printing-in-particle-board/ | Hackaday Podcast 028: Brain Skepticism Turned Up To 11, Web Browsing In ’69, Verilog For 7400 Logic, 3D Printing In Particle Board | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"7400",
"Elon Musk",
"Hackaday Podcast",
"headphones",
"neuralink",
"rotary phone",
"synthesis",
"verilog",
"Walkman"
] | Hackaday Editors Mike Szczys and Elliot Williams cover the most interesting hacks over the past week. So much talk of putting computers in touch with our brains has us skeptical on both tech and timeline. We celebrated the 40th Anniversary of the Walkman, but the headphones are the real star. Plus, Verilog isn’t just f... | 0 | 0 | [] | 1,760,373,828.957414 | ||
https://hackaday.com/2019/07/26/cheap-speakers-sound-great-in-a-proper-enclosure/ | Cheap Speakers Sound Great In A Proper Enclosure | Lewin Day | [
"Musical Hacks"
] | [
"speakers"
] | It’s possible to pick up a low-cost set of speakers for a few dollars, but by and large, you don’t get a lot of quality for your money. Expect a small pair of drivers, with tinny sound and ugly noises from the enclosure’s cheap materials. [JSK-koubou] has shown us, however,
that these speakers can become so much more.
... | 31 | 13 | [
{
"comment_id": "6167494",
"author": "steelman",
"timestamp": "2019-07-26T15:44:11",
"content": "Bass-reflex is a lie.The internal structure makes a huge difference to the bass response of the speakers, allowing them to far more faithfully recreate the music under test.No. The internal does not impr... | 1,760,373,829.167061 | ||
https://hackaday.com/2019/07/27/building-a-safe-esp32-home-energy-monitor/ | Building A Safe ESP32 Home Energy Monitor | Tom Nardi | [
"green hacks",
"home hacks"
] | [
"AWS",
"current transformer",
"energy monitor",
"home automation",
"inductor current tester",
"mqtt"
] | The first step to reducing the energy consumption of your home is figuring out how much you actually use in the first place. After all, you need a baseline to compare against when you start making changes. But fiddling around with high voltage is something a lot of hackers will go out of their way to avoid. Luckily, as... | 45 | 16 | [
{
"comment_id": "6167862",
"author": "Paul",
"timestamp": "2019-07-28T00:17:38",
"content": "And for those who may be more inclined to measurerealpower (as opposed to just measured current times the average line voltage), and aren’t afraid to connect some (optoisolated) components to the line direct... | 1,760,373,829.370447 | ||
https://hackaday.com/2019/07/27/this-wristwatch-is-a-free-form-work-of-art/ | This Wristwatch Is A Free Form Work Of Art | Jenny List | [
"clock hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"atmega328",
"freeform",
"watch"
] | Free-form circuitry built as open wire sculpture can produce beautiful pieces of electronics, but it does not always lend itself to situations in which it might be placed under physical stress. Thus the sight of
[Mile]’s free-form wristwatch
is something of a surprise, as a wristwatch cam be exposed to significant mech... | 4 | 4 | [
{
"comment_id": "6167843",
"author": "M",
"timestamp": "2019-07-27T22:16:09",
"content": "Impressive!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6167885",
"author": "jim",
"timestamp": "2019-07-28T02:29:07",
"content": "Very nice man! The way y... | 1,760,373,828.807106 | ||
https://hackaday.com/2019/07/27/does-this-timber-have-the-right-timbre/ | Does This Timber Have The Right Timbre? | Jenny List | [
"home entertainment hacks"
] | [
"hi-fi",
"lm386",
"stereo"
] | A hi-fi amplifier used to be a rite of passage for the home electronic constructor, back in the days when consumer electronics was still dominated by analogue entertainment. It’s unusual then to see
[
carbono.silício
]’s stereo amplifier project
, constructed in an open-wire circuit sculpture form on a log. You didn’t ... | 20 | 7 | [
{
"comment_id": "6167805",
"author": "Jim B",
"timestamp": "2019-07-27T18:24:54",
"content": "#1: Surely the potentiometer is log, not linear.#2: This is a good example of a high grain amplifier.#3: Do I know how to make one? I wood knot.#4: Planar transistors would make this plainer, so he used a ... | 1,760,373,828.86303 | ||
https://hackaday.com/2019/07/27/add-an-ant-to-your-desk-for-some-compact-pcb-manufacturing/ | Add An Ant To Your Desk For Some Compact PCB Manufacturing | Maya Posch | [
"cnc hacks"
] | [
"cnc",
"diy",
"pcb manufacturing"
] | Usually when one thinks of using a CNC machine for producing PCBs, one thinks of those big, bulky CNC machines that pretty much fill an entire desk. But what if a CNC machine could be small enough to fit on a desk without getting in the way, yet still be useful enough to make single- and double-sided PCBs? This was the... | 41 | 10 | [
{
"comment_id": "6167778",
"author": "sneakypoo",
"timestamp": "2019-07-27T14:56:42",
"content": "If anyone else is curious about speed. Watching one of the vids on their channel it looks like it took about 40 minutes, plus setup time and tool changes, to produce a 30mm x 30mm single sided board wit... | 1,760,373,829.035868 | ||
https://hackaday.com/2019/07/27/familiar-parts-make-interfacing-weather-station-easy/ | Familiar Parts Make Interfacing Weather Station Easy | Lewin Day | [
"classic hacks"
] | [
"ESP8266",
"weather",
"weather station"
] | Hackers love to measure things, and enjoy monitoring the world around them. Weather stations are a big part of this, and many tinkerers have tried to interface such hardware with varying levels of success. [Ray] is one such individual,
and was pleasantly surprised when working on a recent project.
Unlike more old-schoo... | 12 | 6 | [
{
"comment_id": "6167754",
"author": "wibble",
"timestamp": "2019-07-27T13:02:43",
"content": "Any model number or source for thos weather station?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167760",
"author": "CodeReclaimers",
"timestam... | 1,760,373,828.913993 | ||
https://hackaday.com/2019/07/27/a-capacitive-soil-sensor-hack-for-lower-voltage-supplies/ | A Capacitive Soil Sensor Hack For Lower Voltage Supplies | Jenny List | [
"green hacks"
] | [
"555",
"capacitive sensor",
"moisture sensor",
"soil sensor"
] | A frequent beginner project involves measuring soil moisture levels by measuring its resistance with a couple of electrodes. These electrodes are available ready-made as PCBs, but suffer badly from corrosion. Happily there is a solution in the form of capacitive sensor probes, and
it is these that [Electrobob] is incor... | 24 | 8 | [
{
"comment_id": "6167729",
"author": "guest",
"timestamp": "2019-07-27T09:03:11",
"content": "Oh, I need this! I have a housemate who complains if the porch plants dont get watered every day, and I am going to integrate this with the home automation system so there is no debate about when it needs ... | 1,760,373,829.097916 | ||
https://hackaday.com/2019/07/26/jazzberry-bakes-the-pi-into-a-mechanical-keyboard/ | Jazzberry Bakes The Pi Into A Mechanical Keyboard | Tom Nardi | [
"Peripherals Hacks",
"Raspberry Pi"
] | [
"3D printed enclosure",
"Ajazz",
"AK33",
"cyberdeck",
"mechanical keyboard",
"mobile"
] | If you hang around Hackaday long enough, pretty soon you’ll start to see some patterns emerging. As the nexus of all things awesome in the hacking world, our front page offers a unique vantage point by which you can see what’s getting folks excited this particular month, year, or decade. Right now we can tell you hacke... | 17 | 6 | [
{
"comment_id": "6167692",
"author": "juddy",
"timestamp": "2019-07-27T05:03:15",
"content": "RIP your wrists",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167697",
"author": "Dave",
"timestamp": "2019-07-27T05:44:58",
"content": "y... | 1,760,373,829.222388 | ||
https://hackaday.com/2019/07/26/this-week-in-security-selfblow-encryption-backdoors-killer-apps-and-the-vlc-apocalypse-that-wasnt/ | This Week In Security: Selfblow, Encryption Backdoors, Killer Apps, And The VLC Apocalypse That Wasn’t | Jonathan Bennett | [
"computer hacks",
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Killer Code",
"This Week in Security",
"vlc"
] | Selfblow (Don’t google that at work, by the way) is
a clever exploit
by [Balázs Triszka] that affects every Nvidia Tegra device using the
nvtboot
bootloader — just about all of them except the Nintendo Switch. It’s CVE 2019-5680, and rated at an 8.2 according to Nvidia, but that high CVE rating isn’t entirely reflectiv... | 18 | 11 | [
{
"comment_id": "6167471",
"author": "Canuckfire",
"timestamp": "2019-07-26T14:32:29",
"content": "I really like Bruce Schneier’s take on this.I always like to see how little politicians understand the real world when they keep saying ‘government’ is different than ‘consumer’ and ‘enterprise’.The so... | 1,760,373,829.281495 | ||
https://hackaday.com/2019/07/26/installing-android-on-your-nintendo-switch-because-why-not/ | Installing Android On Your Nintendo Switch, Because Why Not? | Maya Posch | [
"Android Hacks",
"Nintendo Hacks"
] | [
"android",
"LineageOS",
"Nintendo Switch"
] | In a continuing trend of ‘but does it run Android?’, enterprising folk
over at the XDA-Developers forum
have found a way to get
LineageOS
(the successor to CyanogenMod) installed and running on the Nintendo Switch using
Switchroot source
code. Promising to release the necessary files to replicate this effort has obviou... | 19 | 10 | [
{
"comment_id": "6167441",
"author": "Fmr Sgt X",
"timestamp": "2019-07-26T12:13:19",
"content": "I’m out of the loop in the switch world, so my question – where are the files to download and try this out?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61674... | 1,760,373,829.94344 | ||
https://hackaday.com/2019/07/26/hdmi-from-your-arduino/ | HDMI From Your Arduino | Jenny List | [
"Arduino Hacks"
] | [
"arduino",
"graphics",
"hdmi"
] | Creating a video signal from a computer, a job that once required significant extra hardware, is now a done deal with a typical modern microcontroller. We’ve shown you more NTSC, PAL, and VGA projects than you can shake a stick at over the years. Creating an HDMI video signal however is not so straightforward. It’s not... | 29 | 11 | [
{
"comment_id": "6167411",
"author": "T",
"timestamp": "2019-07-26T08:18:55",
"content": "Not to take away from the technical side of this, but… why?When it would make sense to use an Arduino and a HDMI shield instead of using any of the single-board computers with HDMI outputs? Given price (!), com... | 1,760,373,830.214013 | ||
https://hackaday.com/2019/07/25/pc-and-console-gaming-united-courtesy-of-origin/ | PC And Console Gaming United Courtesy Of Origin | Maya Posch | [
"computer hacks",
"Playstation Hacks",
"Xbox Hacks"
] | [
"case modding",
"casemod",
"origin pcs"
] | When folk at Origin PCs realized that their company was about to celebrate its 10th anniversary of making custom (gaming) PCs, they knew that they had to do something special. Since one thing they did when the company launched in 2009 was to integrate an XBox 360 into a gaming PC, they figured that they might as well r... | 13 | 7 | [
{
"comment_id": "6167392",
"author": "Gravis",
"timestamp": "2019-07-26T05:40:49",
"content": "It’s funny that they put multiple consoles in one box because they are practically the same hardware. Honestly, a modern PC could run unmodified games for both if they just had the correct software.",
... | 1,760,373,829.997446 | ||
https://hackaday.com/2019/07/25/deducing-stepper-motor-wiring/ | Deducing Stepper Motor Wiring | Al Williams | [
"Robots Hacks"
] | [
"motor",
"stepper motor",
"wiring"
] | There are a lot of fun projects you can do with stepper motors salvaged from old printers or disk drives. However, it isn’t always clear how to connect to some strange motor with no markings or schematics. [Corvetteguy50] has a
video
showing his trick for working out the connections easily, and you can see it below.
Th... | 12 | 7 | [
{
"comment_id": "6167386",
"author": "kramboz",
"timestamp": "2019-07-26T04:22:47",
"content": "This would make for a very interesting and useful flow chart.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167509",
"author": "Comedicles",
"ti... | 1,760,373,830.262559 | ||
https://hackaday.com/2019/07/25/neopixels-recreate-pinball-color-wheel-that-never-was/ | Neopixels Recreate Pinball Color Wheel That Never Was | Dan Maloney | [
"classic hacks"
] | [
"art",
"back-glass",
"color theory",
"neopixel",
"pinball",
"repair",
"restoration",
"ws2812"
] | With what pinball aficionados pay for the machines they so lovingly restore, it’s hard to imagine that these devices were once built to a price point. They had to make money, and whatever it took to attract attention and separate the customer from their hard-earned coins was usually included in the design. But only up ... | 6 | 4 | [
{
"comment_id": "6167359",
"author": "Hirudinea",
"timestamp": "2019-07-26T00:05:38",
"content": "Norm would be proud.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6167410",
"author": "Scozza",
"timestamp": "2019-07-26T08:14:52",
"content": "I lo... | 1,760,373,830.438715 | ||
https://hackaday.com/2019/07/25/college-project-nets-360-degree-pov-display/ | College Project Nets 360 Degree POV Display | Lewin Day | [
"LED Hacks"
] | [
"college",
"persistence of vision",
"POV",
"senior project"
] | Senior college projects are the culmination of years of theoretical learning finally put into practice. For many students they are their first experience of doing some proper, real world engineering. [Melangeaddict] chose to take on a persistence of vision display for his final project,
and learned plenty along the way... | 14 | 4 | [
{
"comment_id": "6167301",
"author": "Gleason",
"timestamp": "2019-07-25T20:13:41",
"content": "Wonder if it works? WOuld have been nice to see it in action.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167304",
"author": "stennisrl",
"tim... | 1,760,373,830.353697 | ||
https://hackaday.com/2019/07/25/tiny-game-system-is-an-experiment-in-minimalism/ | Tiny Game System Is An Experiment In Minimalism | Tom Nardi | [
"Arduino Hacks",
"handhelds hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"Arduboy",
"handheld game",
"minimalist",
"oled"
] | Many people assumed the smartphone revolution would kill the dedicated handheld game system, and really, it’s not hard to see why. What’s the point of buying the latest Nintendo or Sony handheld when the phone you’re already carrying around with you is capable of high-definition 3D graphics and online connectivity? Sof... | 22 | 5 | [
{
"comment_id": "6167276",
"author": "Joe",
"timestamp": "2019-07-25T18:40:41",
"content": "A bit difficult to help without schematics, if he posted those I’m sure someone would give him a fix almost immediately.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,373,830.503243 | ||
https://hackaday.com/2019/07/25/campzone-2019-badge-is-begging-to-become-a-huge-billboard/ | CampZone 2019 Badge Is Begging To Become A Huge Billboard | Jenny List | [
"cons",
"Hackaday Columns"
] | [
"badge",
"badge.team",
"badgelife",
"CampZone"
] | What has 256 full-colour LEDs, everyone’s favorite Lithium battery form factor, wireless connectivity, and hangs around your neck? It’s the CampZone 2019 badge that turns all attendees into a really fun billboard — but can the attendees hack themselves into one massive display?
One of Europe’s larger events for the gam... | 16 | 6 | [
{
"comment_id": "6167253",
"author": "steve",
"timestamp": "2019-07-25T17:36:21",
"content": "I keep thinking “I’ve seen enough LEDs” but then I find myself still loving them!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167325",
"author": "electr... | 1,760,373,830.056425 | ||
https://hackaday.com/2019/07/25/one-week-left-for-supercon-talk-and-workshop-submissions/ | One Week Left For Supercon Talk And Workshop Submissions | Elliot Williams | [
"cons",
"Hackaday Columns"
] | [
"2019 Hackaday Superconference",
"call for proposals",
"cfp"
] | The
Hackaday Superconference
is the highest density of the coolest hackers anywhere. Other events may be bigger, but we’ll be so bold to say that none are better. If you love Hackaday, and we know you do, you should really come join us in November in Pasadena, CA.
Far and away the best way to participate in a conferenc... | 0 | 0 | [] | 1,760,373,830.301015 | ||
https://hackaday.com/2019/07/25/popstick-fan-car-is-a-fun-bluetooth-build/ | Popstick Fan Car Is A Fun Bluetooth Build | Lewin Day | [
"Misc Hacks"
] | [
"Bluefruit",
"bluetooth",
"Feather M0",
"popstick",
"popsticks"
] | Archer
fans already know, but for the rest of the world it bears saying – boats are fine, but fan boats are better. It’s much the same with land vehicles, too. [tinkeringtech] felt the same way,
and built a Bluetooth-controlled fan car to scoot around the floor.
(YouTube, embedded below.)
Construction starts with a ser... | 5 | 3 | [
{
"comment_id": "6167233",
"author": "Ren",
"timestamp": "2019-07-25T16:58:25",
"content": "It just needs a windmill generator on the front to power the fans and controller!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167242",
"author": "Lion Xl"... | 1,760,373,830.396154 | ||
https://hackaday.com/2019/07/25/airless-tire-for-your-car-michelin-says-2024-heres-what-theyre-up-against/ | Airless Tire For Your Car: Michelin Says 2024, Here’s What They’re Up Against | Lewin Day | [
"car hacks",
"Featured",
"Interest",
"Slider"
] | [
"automotive",
"car",
"michelin",
"tweel",
"tyre",
"tyres",
"uptis",
"wheel",
"wheels"
] | The average motorist has a lot to keep track of these days. Whether its how much fuel is left in the tank, how much charge is left in the battery, or whether or not the cop behind noticed them checking Twitter, there’s a lot on a driver’s mind. One thing they’re not thinking about is tires, theirs or anyone else’s for ... | 149 | 50 | [
{
"comment_id": "6167156",
"author": "bernadettre",
"timestamp": "2019-07-25T14:22:56",
"content": "how tiresome",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6167157",
"author": "voxnulla",
"timestamp": "2019-07-25T14:24:37",
"content": "It does ... | 1,760,373,831.756271 | ||
https://hackaday.com/2019/07/25/3d-printer-meets-cnc-router-to-make-wood-prints/ | 3D Printer Meets CNC Router To Make Wood Prints | Dan Maloney | [
"3d Printer hacks",
"cnc hacks"
] | [
"cnc",
"particle board",
"plywood",
"printer",
"router",
"wood"
] | We’ve seen plenty of plywood 3D printers before; after all, many early hobbyist machines were made from laser-cut plywood. But
this plywood 3D-printer
isn’t
made
from plywood – it
prints
plywood. Well, sort of.
Yes, we know – that’s not plywood the printer is using, but rather particleboard, the same material that fill... | 29 | 17 | [
{
"comment_id": "6167114",
"author": "yetihehe",
"timestamp": "2019-07-25T11:40:58",
"content": "Higher resolution versions:https://newatlas.com/mcor-iris-paper-3d-printer/32903/https://www.bbc.com/news/technology-35247318",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,373,831.043926 | ||
https://hackaday.com/2019/07/25/mqtt-deep-dive/ | MQTT Deep Dive | Al Williams | [
"Microcontrollers"
] | [
"mqtt"
] | If you read Hackaday, it is a good bet you’ve heard of MQTT — Message Queueing Telemetry Transport. If you’ve not used MQTT before, you should check out Ably’s [Kayla Matthews’] post entitled
MQTT: A Conceptual Deep Dive
paper. She does mention their MQTT protocol connector at the end, and has a few notes about Ably’s ... | 16 | 8 | [
{
"comment_id": "6167089",
"author": "Mike Massen",
"timestamp": "2019-07-25T08:05:56",
"content": "Just about to do a review for a client on her country 432MHz network and options such as data collisions, what fun, good timing, thanks for post :-)",
"parent_id": null,
"depth": 1,
"repl... | 1,760,373,831.102015 | ||
https://hackaday.com/2019/07/24/xfm-a-32-voice-polyphonic-fm-synthesizer-on-an-fpga/ | XFM: A 32-Voice Polyphonic FM Synthesizer On An FPGA | Maya Posch | [
"FPGA",
"Musical Hacks"
] | [
"fm",
"fpga",
"synthesizer"
] | There’s something about Frequency Modulation (FM) synthesizer chips that appeals to a large audience. That’s one of the reasons behind [
René Ceballos
]’s
XFM project
, aiming to duplicate on an FPGA the sound of pure-FM synthesizer chips of the past such as the Yamaha DX series, OPL chip series and TX81Z/802/816. The ... | 27 | 10 | [
{
"comment_id": "6167094",
"author": "Michael",
"timestamp": "2019-07-25T08:49:27",
"content": "Think I just stick to my DX7. If people ever learn to program a DX7 instead of just using the custom sounds that came with it. You would see there is a whole new world of sounds to the DX7. Plus a DX7 mak... | 1,760,373,831.260699 | ||
https://hackaday.com/2019/07/24/tea-bot-solves-another-first-world-problem/ | Tea Bot Solves Another First World Problem | Al Williams | [
"Arduino Hacks"
] | [
"ESP8266",
"servo",
"tea",
"teabag",
"teacup",
"web server"
] | In the movie Wall-E, future humans live in floating chairs and have everything done for them. Today, we grumble if we have to go to physically find a light switch or a remote control. How far away can floating chairs with screens be?
T2, the Tea Bot,
gets us one step closer to that. Using a laser-cut frame, an ESP8266,... | 19 | 11 | [
{
"comment_id": "6167045",
"author": "NoseyNick",
"timestamp": "2019-07-25T02:14:26",
"content": "The correct way to make tea ishttp://www.edholden.com/random/adams.php",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6167141",
"author": "Ren",
... | 1,760,373,831.197502 | ||
https://hackaday.com/2019/07/24/reaction-trainer-keeps-you-on-your-toes/ | Reaction Trainer Keeps You On Your Toes | Lewin Day | [
"Misc Hacks"
] | [
"athletic",
"athletic training",
"athletics",
"reaction trainer",
"reaction training",
"training"
] | In many sports, it’s important for competitors to be light on their feet, and able to react quickly to external stimuli. It all helps with getting balls in goals, and many athletes undergo reaction drills as part of their training regime. To help with this,
[mblaz] set out to build a set of reaction trainers.
The train... | 1 | 1 | [
{
"comment_id": "6167038",
"author": "Hirudinea",
"timestamp": "2019-07-25T01:28:00",
"content": "So can he wirelessly collect the data to see improvement (or not) in reaction time?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,831.144742 | ||
https://hackaday.com/2019/07/24/shower-water-monitor-tracks-the-dollars-and-cents/ | Shower Water Monitor Tracks The Dollars And Cents | Lewin Day | [
"home hacks"
] | [
"bathroom",
"shower",
"Water Meter",
"water monitor"
] | There’s nothing quite as relaxing as a long, hot shower. This has the tendency of making the bather absent minded as to the amount of water being used, which can lead to excessive bills.
[LiamOSM] built a device to monitor this instead, and calculate the cost, to boot.
The device consists of an Arduino hooked up to a c... | 27 | 11 | [
{
"comment_id": "6166978",
"author": "dlcarrier",
"timestamp": "2019-07-24T20:17:02",
"content": "At the quarter of a cent per liter the display is showing, heating the water probably costs significantly more than the cost of the water itself.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,831.418468 | ||
https://hackaday.com/2019/07/24/an-open-hardware-rubber-ducky/ | An Open Hardware Rubber Ducky | Tom Nardi | [
"Security Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"penetration testing",
"rubber ducky",
"usb hid"
] | No it’s not an open source version of Bert’s favorite bathtime toy (though seriously, let us know if you see one), the
PocketAdmin by [Radik Bechmetov] is intended to be an alternative to the well-known “USB Rubber Ducky”
penetration testing tool from Hak5. It might look like a standard USB flash drive, but underneath ... | 12 | 3 | [
{
"comment_id": "6166961",
"author": "Stripey Type, One (ea.) (@StripeyType)",
"timestamp": "2019-07-24T18:52:32",
"content": "*Ernie’s favorite bathtime toy.–signed, a parent of toddlers. XD",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166968",
"... | 1,760,373,831.353478 | ||
https://hackaday.com/2019/07/24/printed-it-hand-cranked-photography-turntable/ | Printed It: Hand Cranked Photography Turntable | Tom Nardi | [
"Featured",
"Slider",
"Tool Hacks"
] | [
"bearing",
"crank",
"gear",
"Photogrammetry",
"photography",
"print in place",
"Printed It",
"turntable"
] | Even a relatively low-end desktop 3D printer will have no problems running off custom enclosures or parts for your latest project, and for many, that’s more than worth the cost of admission. But if you’re willing to put in the time and effort to become proficient with necessary CAD tools, even a basic 3D printer is cap... | 21 | 5 | [
{
"comment_id": "6166932",
"author": "Greg A",
"timestamp": "2019-07-24T17:10:41",
"content": "I’m curious how other people handle tolerances when pieces are meant to have a decently tight fit. I’ve found that generally my prints are slightly (but not uniformly) bigger than spec. I know I could in... | 1,760,373,831.490013 | ||
https://hackaday.com/2019/07/24/a-pke-meter-that-actually-detects-radiation/ | A PKE Meter That Actually Detects Radiation | Lewin Day | [
"Science"
] | [
"geiger counter",
"ghostbusters",
"isopropyl",
"movie prop",
"prop"
] | Fans of
Ghostbusters
will remember the PKE meter, a winged handheld device capable of detecting supernatural activity. Precious little technical data on the device remains, leaving us unable to replicate its functionality. However, the flashing, spreading wings serve as a strong visual indicator of danger,
and [mosiver... | 5 | 4 | [
{
"comment_id": "6166933",
"author": "Ren",
"timestamp": "2019-07-24T17:10:44",
"content": "Ironically, a real Gamma Rate Meter IM-179 was used in the original Ghostbusters movie.Not as a PKE meter though… B^)(I have a IM-179 at home)(Some could argue that the IM-179 was not a “real” GRM) B^)http... | 1,760,373,831.302787 | ||
https://hackaday.com/2019/07/23/probability-based-drummer-leaves-the-beats-up-to-chance/ | Probability-Based Drummer Leaves The Beats Up To Chance | Erin Pinheiro | [
"Musical Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"arduino",
"ATmega 328",
"audio",
"drum machine",
"music",
"percussion",
"random music"
] | Drum machines may seem like one of the many rites of passage for hardware makers, they’re a concept you can implement simply or take into the extreme making it as complex as you want.
[Matt’s] DrumKid is one of them
, and its long development history is wonderfully documented in the project logs.
[Matt’s] original inte... | 0 | 0 | [] | 1,760,373,831.795595 | ||
https://hackaday.com/2019/07/23/the-great-moon-hoax-no-not-that-one/ | The Great Moon Hoax — No Not That One! | Al Williams | [
"Hackaday Columns",
"Misc Hacks"
] | [
"astronomy",
"great moon hoax",
"hoax",
"moon",
"moon hoax",
"telescope"
] | Humans first walked on the moon 50 years ago, yet there are some people who don’t think it happened. This story is not about them. It turns out there was another great conspiracy theory involving a well-known astronomer, unicorns, and humanoids with bat wings. This one came 134 years before the words “We chose to go to... | 65 | 16 | [
{
"comment_id": "6166672",
"author": "RandyKC",
"timestamp": "2019-07-23T17:33:16",
"content": "Critical thinking and skepticism has always been difficult for humans. It’s too easy to believe your own fantasies are true and find others that want to believe that the world doesn’t have the harsh limit... | 1,760,373,832.306603 | ||
https://hackaday.com/2019/07/23/diy-teensy-looper-multiplies-music/ | DIY Teensy Looper Multiplies Music | Kristina Panos | [
"Musical Hacks"
] | [
"eurorack",
"looper",
"overdub",
"Teensy 3.5",
"Teensy audio"
] | If you’re into electronic music, chances are good that you like to roll your own. While step one is usually to build something, anything that makes sound, a natural step two is to build a looping device to extend and play with those sounds.
[Cutlasses] has finished version one of his
Teensy-based Eurorack-style looper
... | 10 | 3 | [
{
"comment_id": "6166643",
"author": "Ren",
"timestamp": "2019-07-23T15:53:14",
"content": "Watching the video, how did he get that cut on his left hand?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166644",
"author": "Ren",
"timestamp": "... | 1,760,373,832.108448 | ||
https://hackaday.com/2019/07/23/the-v-programming-language-vain-or-virtuous/ | The V Programming Language: Vain Or Virtuous? | Ben James | [
"Featured",
"Interest",
"Original Art",
"Software Development"
] | [
"alpha",
"compile time",
"global state",
"Go",
"lightweight",
"open source",
"programming language",
"release",
"v",
"vlang",
"volt"
] | If you stay up to date with niche software news, your ears may recently have twitched at the release of a new programming language: V. New hobby-project programming languages are released all the time, you would correctly argue; what makes this one special? The answer is a number of design choices which promote speed a... | 92 | 26 | [
{
"comment_id": "6166622",
"author": "pasgj",
"timestamp": "2019-07-23T14:25:20",
"content": "The problem with all those “safe” programming languages is that people will do their best to re-invent global variables, exceptions etc. and then it becomes a mess. Ugly languages like Python, C or C++ will... | 1,760,373,832.525854 | ||
https://hackaday.com/2019/07/23/i-love-the-smell-of-abs-plastic-in-the-morning/ | I Love The Smell Of ABS Plastic In The Morning | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"electrostatic discharge",
"electrostatic precipitator",
"filter",
"fumes",
"health",
"high voltage",
"ozone"
] | One lesson we can learn from the Vietnam War documentary
Apocalypse Now
is that only crazy people like terrible smells just for fun. Surely Lt. Col. Kilgore would appreciate the smell of 3D printers as well, but for those among us who are a little less insane,
we might want a way to eliminate the weird (and not particu... | 17 | 7 | [
{
"comment_id": "6166585",
"author": "Steven Richardson",
"timestamp": "2019-07-23T11:02:59",
"content": "What’s a strong voltage?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166588",
"author": "yetihehe",
"timestamp": "2019-07-23T11:23:4... | 1,760,373,832.054285 | ||
https://hackaday.com/2019/07/23/vacuum-sputtering-with-a-homemade-magnetron/ | Vacuum Sputtering With A Homemade Magnetron | Dan Maloney | [
"Misc Hacks"
] | [
"full bridge rectifier",
"high voltage MOT",
"magnetron",
"microwave oven transformer",
"plasma",
"sputtering",
"thin film",
"vapor deposition"
] | “You can never be too rich or too thin,” the saying goes, and when it comes to coatings, it’s true that thinner is often better. The way to truly thin coatings, ones that are sometimes only a few atoms thick, is physical vapor deposition, or PVD, a technique where a substance is transformed into a vapor and condensed o... | 8 | 4 | [
{
"comment_id": "6166565",
"author": "Mike Massen",
"timestamp": "2019-07-23T08:53:21",
"content": "Yay, been considering solid electrolyte films for various gas experiments, interesting stuff, thanks for post :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,373,832.164166 | ||
https://hackaday.com/2019/07/22/gesture-controlled-doom/ | Gesture Controlled Doom | Lewin Day | [
"classic hacks",
"Games"
] | [
"cnn",
"convolutional neural network",
"doom",
"neural network"
] | DOOM will forever be remembered as one of the founding games of the entire FPS genre. It also stands as a game which has long been a fertile ground for hackers and modders.
[Nick Bild] decided to bring gesture control to iD’s classic shooter, courtesy of machine learning.
The setup consists of a Jetson Nano fitted with... | 0 | 0 | [] | 1,760,373,832.199795 | ||
https://hackaday.com/2019/07/24/brain-computer-interfaces-separating-fact-from-fiction-on-musks-brain-implant-claims/ | Brain-Computer Interfaces: Separating Fact From Fiction On Musk’s Brain Implant Claims | Maya Posch | [
"Current Events",
"Featured",
"Medical Hacks",
"News",
"Science",
"Slider"
] | [
"ai",
"bci",
"brain-computer interface",
"brain-machine interface",
"neural networks",
"neuralink"
] | When it comes to something as futuristic-sounding as brain-computer interfaces (BCI), our collective minds tend to zip straight to scenes from countless movies, comics, and other works of science-fiction (including more dystopian scenarios). Our mind’s eye fills with everything from the Borg and neural interfaces of
St... | 81 | 19 | [
{
"comment_id": "6166895",
"author": "Ostracus",
"timestamp": "2019-07-24T14:18:14",
"content": "“Our mind’s eye fills with everything from the Borg and neural interfaces of Star Trek, to the neural recording devices with parent-controlled blocking features from Black Mirror, and of course the ensla... | 1,760,373,832.875454 | ||
https://hackaday.com/2019/07/24/drone-on-drone-warfare-with-jammers/ | Drone On Drone Warfare, With Jammers | Pat Whetman | [
"drone hacks",
"Radio Hacks"
] | [
"anti drone defenses",
"drone",
"sdr"
] | After the alleged drone attacks on London Gatwick airport in 2018 we’ve been on the look out for effective countermeasures against these rogue drone operators. An interesting solution has been created by [Ogün Levent] in Turkey and is briefly documented on
in his Dronesense page on Crowdsupply
. There’s a few gaps in t... | 37 | 10 | [
{
"comment_id": "6166838",
"author": "Saabman",
"timestamp": "2019-07-24T11:07:47",
"content": "so now it remains to be seen if these alleged drone “attacks” are real. The proof will be in this device bringing one home",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,373,832.385351 | ||
https://hackaday.com/2019/07/24/doing-10-gigabit-networking-at-home-the-cheap-way/ | Doing 10 Gigabit Networking At Home, The Cheap Way | Lewin Day | [
"Network Hacks"
] | [
"10 gigabit",
"ethernet",
"gigabit",
"network",
"networking"
] | For the vast majority of us, Gigabit Ethernet is more than enough for daily tasks. The occasional big network file transfer might drag a little, but it’s rare to fall short of bandwidth when you’re hooked up over Cat 6. [Brian] has a thirst for saturating network links, however,
and decided only 10 Gigabit Ethernet wou... | 55 | 22 | [
{
"comment_id": "6166812",
"author": "sjw",
"timestamp": "2019-07-24T08:13:54",
"content": "“Guy buys some equipment and plugs it into his computer”hackerman.jpgSeriously, what is this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166836",
"author... | 1,760,373,832.617905 | ||
https://hackaday.com/2019/07/23/control-your-web-browser-like-its-1969/ | Control Your Web Browser Like It’s 1969 | Dan Maloney | [
"classic hacks",
"Phone Hacks"
] | [
"arduino",
"dial",
"dns",
"hid",
"Homophone",
"ip",
"pulse",
"rotary",
"url",
"usb"
] | Imagine for a moment that you’ve been tasked with developing a device for interfacing with a global network of interconnected devices. Would you purposely design a spring-loaded dial that can do nothing but switch a single set of contacts on and off from 1 to 10 times? What kind of crazy world would we have to live in ... | 14 | 6 | [
{
"comment_id": "6166777",
"author": "Mike Massen",
"timestamp": "2019-07-24T05:21:08",
"content": "Lol, excellent thought provoking pursuit :-)I didn’t know some websites can’t be reached by IP alone, could raise all sorts of problematic issues beyond potential for more noise too, thanks will look ... | 1,760,373,832.668539 | ||
https://hackaday.com/2019/07/23/persistance-of-vision-on-an-old-fan/ | Persistence Of Vision On An Old Fan | Lewin Day | [
"LED Hacks"
] | [
"arduino nano",
"led",
"persistence of vision",
"POV"
] | Persistence of vision is a fun feature of the human visual system, which allows us to blink a bunch of spinning LEDs at the right time to spell out messages that appear to hang in the air. [TN_Inventor] took a stab at his own POV build,
using an old desk fan as a base.
The initial build relied on a rotor made of MDF an... | 8 | 6 | [
{
"comment_id": "6166762",
"author": "ROB",
"timestamp": "2019-07-24T02:26:34",
"content": "An easy way to get power to the rotor would be to use some little DC motors and props like the ones on toy helicopters as generators.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,373,832.919677 | ||
https://hackaday.com/2019/07/23/nixiewatch-looks-stylish-in-aluminium/ | Nixiewatch Looks Stylish In Aluminium | Lewin Day | [
"clock hacks"
] | [
"nixie",
"nixie clock",
"nixie tube",
"nixie watch"
] | Nixie tubes are a perennial favorite, with their burnt orange glow bringing a smile to the face of even the most jaded maker. Due to their power requirements they’re usually seen in desktop clocks, but
[RemcoK3] decided to whip up a Nixiewatch, with stylish results
.
Packing twin Nixie tubes, the watch displays hours f... | 10 | 5 | [
{
"comment_id": "6166756",
"author": "Chris",
"timestamp": "2019-07-24T01:58:28",
"content": "Ha! I love it!I thought of a Nixie watch, but never had the ambition to try it, and I’ve never worked with high voltages (yet). Glad to see someone else isn’t as lazy as I am! ;) Love the idea of config... | 1,760,373,832.967896 | ||
https://hackaday.com/2019/07/23/desk-sized-cnc-engraver-does-the-job/ | Desk-Sized CNC Engraver Does The Job | Lewin Day | [
"cnc hacks"
] | [
"cnc",
"CNC mill",
"PCB mill"
] | CNC machine tools are highly useful for when you want to take a CAD design and make real parts as quickly and as easily as possible. Typically, they’re employed in large-scale industrial settings, but CNC machines come in all shapes and sizes.
It’s possible to build a useful machine that’s just right to sit on your des... | 22 | 8 | [
{
"comment_id": "6166700",
"author": "KenN",
"timestamp": "2019-07-23T20:30:39",
"content": "Nice work. Question to the builder: would you have used one of the Chinese kits if one had been available/on sale, instead of scratchbuilding? Certainly this one has more solid mounts and guides.I notice th... | 1,760,373,833.026714 | ||
https://hackaday.com/2019/07/22/high-precision-analog-io-with-digital-pins/ | High Precision Analog IO With Digital Pins | Kerry Scharfglass | [
"Arduino Hacks",
"hardware",
"Microcontrollers"
] | [
"adc resolution",
"analog",
"sensing",
"temperature",
"thermistor",
"timer",
"timing",
"underwater sensor"
] | Reading the temperature of your environment is pretty easy right? A quick search suggests the utterly ubiquitous DHT11, which speaks a well documented protocol and has libraries for every conceivable microcontroller and platform. Plug that into your Arduino and boom, temperature (and humidity!) readings. But the simple... | 27 | 13 | [
{
"comment_id": "6166518",
"author": "Consulting Joe",
"timestamp": "2019-07-23T03:13:38",
"content": "1st.Neat tho",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6166527",
"author": "Guille",
"timestamp": "2019-07-23T04:42:54",
"content": "But… bu... | 1,760,373,833.096039 | ||
https://hackaday.com/2019/07/22/make-your-own-spl-db-meter-with-a-microphone-and-mcu/ | Make Your Own SPL DB Meter With A Microphone And MCU | Maya Posch | [
"how-to",
"Microcontrollers"
] | [
"decibel meter",
"pic18",
"spl"
] | Measuring equipment such as SPL (Sound Pressure Level) decibel meters may seem daunting, but this article by [Shawon M. Shahryiar]
shows that making your own
need only have two essential ingredients: a microphone and a microcontroller. Obviously the microphone is for measuring the sound pressure level, and its output i... | 12 | 6 | [
{
"comment_id": "6166496",
"author": "Paul",
"timestamp": "2019-07-23T00:00:45",
"content": "Say, that’s a pretty neat trick, referencing the positive op-amp input to the negative rail like that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166503",
... | 1,760,373,833.145713 | ||
https://hackaday.com/2019/07/22/developing-an-automatic-tool-for-can-bus-hacking/ | Developing An Automatic Tool For CAN Bus Hacking | Tom Nardi | [
"Arduino Hacks",
"car hacks"
] | [
"CAN",
"can-bus",
"car hacking",
"mcp2515",
"scanner",
"user interface"
] | In the old days, a physical button or switch on the dashboard of your car would have been wired to whatever device it was controlling. There was potentially a relay in the mix, but still, it wasn’t too hard to follow wires through the harness and figure out where they were going. But today, that concept is increasingly... | 25 | 9 | [
{
"comment_id": "6166451",
"author": "Jon H",
"timestamp": "2019-07-22T20:14:14",
"content": "I’m wondering what the B&O device is.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166453",
"author": "tomas316",
"timestamp": "2019-07-22T20:18:... | 1,760,373,833.210484 | ||
https://hackaday.com/2019/07/22/a-drop-in-upgrade-module-for-cheap-rotary-tools/ | A Drop-In Upgrade Module For Cheap Rotary Tools | Tom Nardi | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2019 Hackaday Prize",
"dremel",
"rotary tool",
"speed controller",
"upgrade"
] | We’ve all seen them, the rotary tools that look
almost
, but not quite exactly, like a Dremel. They cost just a fraction of the real thing, and even use the same bits as the official Bosch-owned version. At first glance, they might seem like a perfect solution for the hacker who’s trying to kit out their workshop on a ... | 34 | 16 | [
{
"comment_id": "6166434",
"author": "Enrico S.",
"timestamp": "2019-07-22T19:16:27",
"content": "I have a original Dremel Model 3000 (pretty basic), and behave like the original version of the clone in the video. Waste of money for the real thing? And mine is not even stable at very low RPM with no... | 1,760,373,833.286033 | ||
https://hackaday.com/2019/07/22/power-outages-irl/ | The South American Power Outage That Plunged 48 Million Into Blackout | Bryan Cockfield | [
"Current Events",
"Hackaday Columns",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"Argentina",
"blackout",
"Paraguay",
"power grid",
"south america",
"Uraguay"
] | A massive power outage in South America last month left most of Argentina, Uruguay, and Paraguay in the dark and may also have impacted small portions of Chile and Brazil. It’s estimated that 48 million people were affected and as of this writing there has still been no official explanation of how a blackout of this ma... | 44 | 16 | [
{
"comment_id": "6166398",
"author": "Ostracus",
"timestamp": "2019-07-22T17:35:02",
"content": "Sounds like an article on power grid modeling would wet some juices.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6166400",
"author": "Harold Hill",
"tim... | 1,760,373,833.575419 | ||
https://hackaday.com/2019/07/22/crowd-supply-hack-chat-with-josh-lifton/ | Crowd Supply Hack Chat With Josh Lifton | Dan Maloney | [
"Hackaday Columns"
] | [
"Crowd Supply",
"crowdfunding",
"design for manufacturing",
"mentor",
"project to product",
"The Hack Chat"
] | Join us on Wednesday, July 24th at noon Pacific for the
Crowd Supply Hack Chat
with
Josh Lifton
!
When you’re ready to take your Next Big Idea from a project to a product, you face problems that don’t normally present themselves to the hobbyist. Building one of something is quite different from building many of them, a... | 2 | 1 | [
{
"comment_id": "6166433",
"author": "Adrian",
"timestamp": "2019-07-22T19:10:32",
"content": "Is there a place where we can find transcripts of past Hack Chats?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166444",
"author": "Dan Maloney",
... | 1,760,373,833.464971 | ||
https://hackaday.com/2019/07/22/watch-earthquake-roll-across-a-continent-in-seismograph-visualization-video/ | Watch Earthquake Roll Across A Continent In Seismograph Visualization Video | Roger Cheng | [
"Science"
] | [
"data visualization",
"earthquake",
"earthquake detector",
"earthquakes",
"seismograph",
"seismology",
"seismometer",
"visualization"
] | If your only exposure to seismologists at work is through film and television, you can be forgiven for thinking they still lay out rolls of paper to examine lines of ink under a magnifying glass. The reality is far more interesting in a field that has eagerly adopted all available technology. A dramatic demonstration o... | 23 | 10 | [
{
"comment_id": "6166360",
"author": "Ren",
"timestamp": "2019-07-22T15:37:02",
"content": "That is a cool visualization!(it is amazing that the tremors skipped Canada on their way to Alaska!) B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166365",
... | 1,760,373,835.23834 | ||
https://hackaday.com/2019/07/22/forget-the-walkman-its-the-headphones/ | Forget The Walkman: It’s The Headphones | Jenny List | [
"Featured",
"History",
"Musical Hacks",
"Slider"
] | [
"headphones",
"persosnal stereo",
"sony",
"Walkman"
] | Forty years ago this month, a product was launched in Japan that would have such a huge impact on the consumer electronics market that we are still using its descendants today. The story goes that one of the Sony founders would listen to music while traveling for the business, and found the company’s existing products... | 27 | 15 | [
{
"comment_id": "6166341",
"author": "Matt GR",
"timestamp": "2019-07-22T14:23:32",
"content": "The headphones I use now are basically these, but made by Panasonic. Sound great—certainly good enough at 8 bucks a pair.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,373,835.649315 | ||
https://hackaday.com/2019/07/22/weather-station-can-rock-you-like-a-hurricane/ | Weather Station Can Rock You Like A Hurricane | Sven Gregori | [
"Musical Hacks"
] | [
"arduino",
"bme280",
"environmental sensor",
"ESP8266",
"ldr",
"midi",
"Rain sensor",
"weather station"
] | People love to talk about the weather. It’s the perfect small talk, whether you’re trying to start a conversation or keep one going by avoiding an awkward silence. In the same fashion, weather stations are an ideal starting point for any sort of sensor-related project ideas. You get to familiarizing yourself with commu... | 5 | 5 | [
{
"comment_id": "6166307",
"author": "jiaeg",
"timestamp": "2019-07-22T12:31:56",
"content": "You could attach this sensor to a toilet seat and make music while urinating.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6166333",
"author": "CMH62",
"tim... | 1,760,373,835.838684 | ||
https://hackaday.com/2019/07/22/hydraulic-bench-vise-a-masterpiece-of-scrap-metal-and-angle-grinding/ | Hydraulic Bench Vise A Masterpiece Of Scrap Metal And Angle Grinding | Tom Nardi | [
"Tool Hacks"
] | [
"angle grinder",
"bench vise",
"hydraulic",
"metalworking",
"welding"
] | For most of us, a vise is the sort of thing you clamp onto the edge of a workbench and crank down by hand. It might even be made of plastic, depending on the kind of work you find yourself doing with it. But it’s safe to say that [WorkshopFromScratch] won’t be soldering any PCBs
in the jaws of this nearly 100 lb hydrau... | 38 | 15 | [
{
"comment_id": "6166250",
"author": "Reynald",
"timestamp": "2019-07-22T08:43:19",
"content": "Angle grinder handled with one hand, no security gloves… what can go wrong?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166256",
"author": "e",
... | 1,760,373,835.58084 | ||
https://hackaday.com/2019/07/21/5g-power-usage-is-making-phones-overheat-in-warm-weather/ | 5G Power Usage Is Making Phones Overheat In Warm Weather | Maya Posch | [
"Cellphone Hacks",
"News"
] | [
"5g",
"mobile data",
"overheating",
"qualcomm",
"smartphones"
] | As
reported by ExtremeTech
, the brand new 5G network is running into a major snag with mobile devices as Qualcomm 5G modems literally cannot handle the heat. After just a few minutes of use they’re going into thermal shutdown and falling back to measly 4G data rates. Reports by both
PCMag
and the
Wall Street Journal
(... | 52 | 17 | [
{
"comment_id": "6166214",
"author": "Doug",
"timestamp": "2019-07-22T05:28:39",
"content": "No worries her, we have yet see 4G, we have 3G and LTE. After triyng LTE see what LTE can do I turned it off, as chewed up battery reserves.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,373,835.926272 | ||
https://hackaday.com/2019/07/21/making-instant-ramen-a-bit-more-instant/ | Making Instant Ramen A Bit More Instant | Jenny List | [
"cooking hacks"
] | [
"food",
"noodles",
"ramen"
] | Instant ramen, the favoured repast of the impecunious would-be tech genius! It’s cheap, of dubious nutritional value, and it only takes a minute to cook. But what if you are in the creative Zone to the extent that five minutes to boil water is too much? For that you need an automatic ramen cooker, which is what [Mayerm... | 32 | 15 | [
{
"comment_id": "6166211",
"author": "Ostracus",
"timestamp": "2019-07-22T03:57:29",
"content": "” But what if you are in the creative Zone to the extent that five minutes to boil water is too much?”Thought Brits had higher voltage tea kettles? *something* *something* National beverage of a nation. ... | 1,760,373,835.797058 | ||
https://hackaday.com/2019/07/21/hackaday-links-july-21-2019/ | Hackaday Links: July 21, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"Chemistry",
"clear coat",
"lathe",
"nightmare fuel",
"pcb",
"PLA",
"safety",
"silkscreen",
"urethane"
] | Ordering a PCB used to be a [Henry Ford]-esque experience: pick any color you like, as long as it’s green. We’ve come a long way in the “express yourself” space with PCBs, with slightly less than all the colors of the rainbow available, and some pretty nice silkscreening options to boot. But wouldn’t it be nice to get ... | 17 | 7 | [
{
"comment_id": "6166180",
"author": "Joe",
"timestamp": "2019-07-21T23:40:55",
"content": "Not PLA as in polylactic acid, but SLA, as in expensive resin printing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166210",
"author": "Dan Maloney",
... | 1,760,373,835.406625 | ||
https://hackaday.com/2019/07/21/a-baseball-cap-that-films-the-past/ | A Baseball Cap That Films The Past | Lewin Day | [
"classic hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"baseball cap",
"camera cap",
"camera hat",
"cap",
"hat",
"rolling record"
] | The vast majority of cameras will start recording at the press of a button. This is perfectly acceptable behaviour if you wish to film something that hasn’t happened yet. If you want to film something that’s already over, you’re out of luck.
[Johan Link] has built a camera designed to do just that, however, and put it ... | 17 | 13 | [
{
"comment_id": "6166165",
"author": "cuagn",
"timestamp": "2019-07-21T21:07:55",
"content": "Why not using a dashcam?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166673",
"author": "Raukk",
"timestamp": "2019-07-23T17:36:37",
"co... | 1,760,373,835.351231 | ||
https://hackaday.com/2019/07/21/an-epic-tale-of-thermistors-tricks-for-much-better-temperature-sensing/ | An Epic Tale Of Thermistors: Tricks For Much Better Temperature Sensing | Kerry Scharfglass | [
"Arduino Hacks",
"Microcontrollers"
] | [
"adc resolution",
"arduino",
"decimation",
"dht11",
"oversampling",
"sensing",
"temperature sensor",
"termistor",
"under water"
] | For years [Edward] has been building professional grade underwater sensing nodes at prices approachable for an interested individual
without
a government grant. An important component of these is temperature, and he has been on a quest to get the highest accuracy temperature readings from whatever parts hit that sweet ... | 25 | 13 | [
{
"comment_id": "6166134",
"author": "Landroval",
"timestamp": "2019-07-21T17:25:26",
"content": "It’s commonly called “dithering”. I.e. standard in some NI-Cards.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166154",
"author": "Elliot Williams",
... | 1,760,373,835.72934 | ||
https://hackaday.com/2019/07/21/external-buffer-boosts-3d-printer-filament-splicing-on-the-palette-2/ | External Buffer Boosts 3D Printer Filament Splicing On The Palette 2 | Tom Nardi | [
"3d Printer hacks"
] | [
"extruder",
"Mosaic Manufacturing",
"multimaterial",
"Palette",
"splicing"
] | There was a time when most of us thought the next logical step for desktop 3D printing was to add additional extruders and hotends, allowing the machine to print in multiple colors or materials. Unfortunately such arrangements quickly become ungainly, and even with just two extruders, calibration can be a nightmare. Be... | 15 | 5 | [
{
"comment_id": "6166119",
"author": "Joseph Massimino",
"timestamp": "2019-07-21T14:55:46",
"content": "It might be easy to use two colors by have two mechanisms that approach the printed object from opposite directions, so the machine needs to be bigger, and how many heads and directions a print h... | 1,760,373,835.298557 | ||
https://hackaday.com/2019/07/21/a-new-motherboard-for-amiga-the-platform-that-refuses-to-die/ | A New Motherboard For Amiga, The Platform That Refuses To Die | Jenny List | [
"Retrocomputing"
] | [
"amiga",
"Amiga 1200",
"retrocomputing"
] | If you go out and buy a computer right now, how many choices do you really have? Generally speaking, there’s PC or Mac. If we were being generous you could consider Chromebook and perhaps even mobile, but let’s be honest, computing is a two-party system with the ability to dump the OS and run Linux as the obvious third... | 34 | 12 | [
{
"comment_id": "6166097",
"author": "Ralph Doncaster (Nerd Ralph)",
"timestamp": "2019-07-21T12:12:11",
"content": "The board looks pretty bare. I think the original Amiga boards had more passives, particularly more decoupling. All I could find on the schematic is a single .1uF cap for each of th... | 1,760,373,836.013256 | ||
https://hackaday.com/2019/07/21/diy-industrial-oven-brings-the-heat/ | DIY Industrial Oven Brings The Heat | Kristina Panos | [
"classic hacks"
] | [
"DIY oven",
"industrial oven",
"Lost wax casting",
"temperature controller",
"temperature sensor"
] | When [Turbo Conquering Mega Eagle] tried lost wax casting, he ended up with a fireball and a galvanizing sense of disappointment. There wasn’t enough heat to get all the wax out, and the paraffin ignited. Though a bit burned by the experience, it didn’t extinguish his desire to do lost wax casting. In a textbook case o... | 4 | 4 | [
{
"comment_id": "6166080",
"author": "crazywriterof6",
"timestamp": "2019-07-21T08:51:33",
"content": "Sweet!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6166089",
"author": "Jaycop",
"timestamp": "2019-07-21T09:33:33",
"content": "I love this p... | 1,760,373,836.364893 | ||
https://hackaday.com/2019/07/20/building-a-bigger-cloud-chamber/ | Building A Bigger Cloud Chamber | Lewin Day | [
"Science"
] | [
"cloud chamber",
"radioactive",
"radioactivity",
"science"
] | Cloud chambers are an exciting and highly visual science experiment. They’re fascinating to watch as you can see the passage of subatomic particles from radioactive decay with your very own eyes. Many elect to build small chambers based on thermoelectric Peltier elements,
but [Cloudylabs] decided to do something on a g... | 11 | 6 | [
{
"comment_id": "6166105",
"author": "Anon",
"timestamp": "2019-07-21T12:55:12",
"content": "Very nice build. Those traces labelled as protons though, aren’t they alpha particles?They are more or less of the same thickness as when he introduces the 220Rn, whose decay chain is 220Rn -α-> 216Po -α-> 2... | 1,760,373,836.416524 | ||
https://hackaday.com/2019/07/20/project-perceives-pondering-prints-poetry/ | Project Perceives Pondering, Prints Poetry | Daniel Bogdanoff | [
"Arduino Hacks",
"Toy Hacks"
] | [
"brain hacks",
"mind control",
"mind control toy",
"mindflex",
"poetry",
"toy hack"
] | If poetry is your thing, this hack might convince you that your brain is more advanced than the rest of us poor sots. [Roni Brandini] designed
a system that prints lines of poetry when you concentrate
. The Mind Poetry project uses an EEG headset from Mattel’s Mindflex toy and pipes your brain’s signals to an Arduino M... | 5 | 5 | [
{
"comment_id": "6166062",
"author": "MAC",
"timestamp": "2019-07-21T04:34:23",
"content": "But (I have to ask.) is it … Vogon poetry [shudder]?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6166068",
"author": "Tom Nardi",
"timestamp": "2019-07-21T05... | 1,760,373,836.465012 | ||
https://hackaday.com/2019/07/20/breathing-led-done-with-raw-logic-synthesized-from-a-verilog-design/ | Breathing LED Done With Raw Logic Synthesized From A Verilog Design | Lewin Day | [
"LED Hacks"
] | [
"breathing LED",
"verilog"
] | Breathing LEDs are an attractive adornment on many electronic devices. These days they’re typically controlled by software but of course there were fading effects back in the days of analog too. [Pepijn de Vos] mixes a little of the new and the old by
building a hardware-based fader from a Verilog design
and even too t... | 16 | 7 | [
{
"comment_id": "6166023",
"author": "Severe Tire Damage",
"timestamp": "2019-07-20T23:11:42",
"content": "You know. I’ll bet I can make and LED “breathe” using a 555.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6166039",
"author": "CRJEEA",
... | 1,760,373,836.641952 | ||
https://hackaday.com/2019/07/20/a-multi-layered-spin-on-persistence-of-vision/ | A Multi-Layered Spin On Persistence Of Vision | Roger Cheng | [
"LED Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"apa102",
"arduino",
"bay area maker faire 2018",
"led hacks",
"persistence of vision",
"POV",
"POV display"
] | By taking advantage of persistence in human vision, we can use modest bits of hardware to create an illusion of a far larger display. We’ve featured many POV projects here, but they are almost always an exploration in two dimensions. [Jamal-Ra-Davis] extends that into the third dimension with his
Volumetric POV Display... | 10 | 6 | [
{
"comment_id": "6166005",
"author": "Jerry",
"timestamp": "2019-07-20T21:11:34",
"content": "Interest take on P. of V.Set the wayback machine to stun.Do you recall the 78 rpm record player?If you create a white paper disc the same size as a record, and divide the diameter in black wedge shapes of v... | 1,760,373,836.689421 | ||
https://hackaday.com/2019/07/20/create-a-low-cost-high-accuracy-lcr-meter-with-an-stm32-mcu/ | Create A Low-Cost, High-Accuracy LCR Meter With An STM32 MCU | Maya Posch | [
"Microcontrollers",
"Tool Hacks"
] | [
"current sensing",
"LCR meter",
"stm32"
] | Having a good LCR meter was something which [Adil] had wanted for his personal lab, so as any good university student (and former Hackaday contributor) does, he ended up
building his own
. Using a
Nucleo-F446RE board
for the MCU side and a custom PCB for the side that does the actual measuring, he created a meter that ... | 14 | 7 | [
{
"comment_id": "6165983",
"author": "jrfl",
"timestamp": "2019-07-20T18:44:10",
"content": "Very nice build! Accuracy looks better than some of the benchtop units I have used, I also like the use of SMA instead of the normal BNC for the kelvin measurement since SMA is a lot more compact and has muc... | 1,760,373,836.740685 | ||
https://hackaday.com/2019/07/20/designing-compact-gasoline-generator-prototype-for-drone-use/ | Designing Compact Gasoline Generator Prototype For Drone Use | Lewin Day | [
"drone hacks"
] | [
"drone",
"drone generator",
"gasoline",
"generator",
"hybrid drone",
"multirotor"
] | Lithium batteries and brushless motors helped make multirotor drones possible, but batteries only last so long. Liquid fuels have far greater energy densities, but have not been widely applied in these roles. [Tech Ingredients] has been experimenting with a compact gasoline-fueled generator,
with the aim to extend dro... | 39 | 11 | [
{
"comment_id": "6165952",
"author": "Ø",
"timestamp": "2019-07-20T15:06:11",
"content": "Since they’re using two strokes anyway for reducing vibrations, might look into two-rotor wankel engines.Although patents be damned have limited their developments for years and left their glaring flaws compare... | 1,760,373,836.541188 | ||
https://hackaday.com/2019/07/20/the-case-of-the-vintage-computer-the-blown-fuse-and-the-diode/ | The Case Of The Vintage Computer, The Blown Fuse, And The Diode | Jenny List | [
"computer hacks"
] | [
"elliott",
"mainframe",
"TNMOC",
"vintage computer"
] | If you are the operator of a vintage computer, probably the only one of its type remaining in service, probably the worst thing you can hear is a loud pop followed by your machine abruptly powering down. That’s what happened to the Elliott 803B in the UK’s National Museum Of Computing, and its maintainer [Peter Onion]
... | 7 | 5 | [
{
"comment_id": "6165935",
"author": "stressfish",
"timestamp": "2019-07-20T12:39:56",
"content": "The article’s title sounds like a track of Röyksopp.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165939",
"author": "BT",
"timestamp": "2019-07-20T13... | 1,760,373,836.864054 | ||
https://hackaday.com/2019/07/20/a-microwave-kiln-from-scratch/ | A Microwave Kiln, From Scratch | Jenny List | [
"hardware"
] | [
"kiln",
"microwave kiln",
"silicon carbide",
"waterglass"
] | We are normally told that microwave ovens are strictly for food only, and that anything else will cause all sorts of bad things to come our way. There can be few readers who haven’t at some time seen the shower of sparks when an inadvertent metallic object finds its way onto the turntable.
A particularly useful non-foo... | 15 | 3 | [
{
"comment_id": "6165922",
"author": "Yates",
"timestamp": "2019-07-20T09:46:21",
"content": "I feel it’s important to note that just putting any given metallic object into a microwave is not guaranteed to produce sparks or arcs. Putting metal into a microwave can be done as long as you, avoid close... | 1,760,373,836.592497 | ||
https://hackaday.com/2019/07/19/use-a-digital-key-to-deter-lockpicking/ | Use A Digital Key To Deter Lockpicking | Bryan Cockfield | [
"Security Hacks"
] | [
"arduino",
"hardware",
"key",
"lock",
"security",
"token",
"Two Factor"
] | Spending an hour or two around any consumer-level padlock or house deadbolt lock with a simple lockpicking kit will typically instill a good amount of panic and concern about security. While it’s true that any lock can be defeated, it’s almost comically easy to pick basic locks like this. So, if you’re looking for a le... | 25 | 10 | [
{
"comment_id": "6165894",
"author": "Anonymous",
"timestamp": "2019-07-20T05:21:12",
"content": "first of all, using usb as a key for a lock is one of the dumbest ideas i’ve ever heard of. secondly, yubikey has had no shortage of exploits found for it. two terrible decisions all in one project.“So,... | 1,760,373,836.986268 | ||
https://hackaday.com/2019/07/19/another-take-on-harvesting-energy-while-walking/ | Another Take On Harvesting Energy While Walking | Maya Posch | [
"Science"
] | [
"energy harvesting",
"kinetic energy",
"low energy",
"piezoelectric materials"
] | Harvesting energy from the human body may sound scary, but fortunately a
Matrix
-style setup exists only as a cinematic fiction. Instead a typical path lies in external contraptions that use the body’s natural motions to drive a small generator, a bit of flexible piezo material, and so on. A popular target for harvesti... | 17 | 9 | [
{
"comment_id": "6165888",
"author": "steves",
"timestamp": "2019-07-20T03:55:31",
"content": "How much is that in Mars Bars per day?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165900",
"author": "Vinalon",
"timestamp": "2019-07-20T06:16:51",
... | 1,760,373,837.073206 | ||
https://hackaday.com/2019/07/19/custom-bases-make-lego-spacecraft-even-cooler/ | Custom Bases Make LEGO Spacecraft Even Cooler | Tom Nardi | [
"LED Hacks",
"Toy Hacks"
] | [
"apollo",
"lego",
"lunar module",
"particle photon",
"RGB LED",
"sound effects"
] | If you’re reading Hackaday, we’re willing to bet that you either own the LEGO Saturn V and Lunar Module models, or at the very least know somebody who does. Even if you thought you’d finally outgrown playing with little plastic bricks (a critical mistake, but one we’ll ignore for now), these two kits just have an unden... | 8 | 3 | [
{
"comment_id": "6165902",
"author": "Tom G",
"timestamp": "2019-07-20T06:40:21",
"content": "Amusing, but the fuel in the LEM did not generate a plume. Seehttps://www.youtube.com/watch?v=9HQfauGJaTs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6165906",
... | 1,760,373,837.128514 | ||
https://hackaday.com/2019/07/19/diy-scintillation-detector-is-mighty-sensitive/ | DIY Scintillation Detector Is Mighty Sensitive | Lewin Day | [
"Science"
] | [
"radiation",
"radiation detector",
"scintillator"
] | Geiger counters are a popular hacker project, and may yet prove useful if and when the nuclear apocalypse comes to pass. They’re not the only technology out there for detecting radiation however. Scintillation detectors are an alternative method of getting the job done,
and [Alex Lungu] has built one of his own.
Scinti... | 24 | 9 | [
{
"comment_id": "6165832",
"author": "Ren",
"timestamp": "2019-07-19T20:37:37",
"content": "I picked up a photomultiplier tube from a skip. It looks like it was unused (still in original box).I am not sure how to test it (don’t want to ruin it in the process).",
"parent_id": null,
"depth": ... | 1,760,373,837.189159 | ||
https://hackaday.com/2019/07/19/hackaday-prize-mentor-session-beau-ambur/ | Hackaday Prize Mentor Session: Beau Ambur | Gerrit Coetzee | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"Beau Ambur",
"bicycle",
"electric",
"Hackaday Prize",
"kickstarter",
"marketing",
"Mentor Sessions",
"Mentoring",
"micropython",
"product development",
"snips.ai"
] | Beau Ambur can often be found hosting hardware events and offering help all around the Bay Area. Now he’s turned it into a career and travels the west coast helping hackers and creators effectively leverage Kickstarter’s platform. Beau’s
mentor session
covers everything from, “is this project a good fit for venture cap... | 4 | 3 | [
{
"comment_id": "6165818",
"author": "ScubabearLA",
"timestamp": "2019-07-19T19:14:27",
"content": "Welcome back Gerritt! I was just thinking recently that I hadn’t seen an article of yours in ages.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165890",
... | 1,760,373,837.490697 | ||
https://hackaday.com/2019/07/19/inside-the-mysterious-global-navigation-outage-you-probably-didnt-notice/ | Inside The Mysterious Global Navigation Outage You Probably Didn’t Notice | Dan Maloney | [
"Current Events",
"Featured",
"News"
] | [
"Galileo",
"glonass",
"gnss",
"gps",
"satellite",
"sdr"
] | The entire world has come to depend on satellite navigation systems in the forty or so years since the first Global Positioning System satellites took to orbit. Modern economies have been built on the presumption that people and assets can be located to within a meter or better anywhere on, above, or even slightly unde... | 19 | 11 | [
{
"comment_id": "6165809",
"author": "Luke",
"timestamp": "2019-07-19T18:50:20",
"content": "Galileo and GPS aren’t in competition, since they operate seamlessly using BOC modulation and GPS officially provides the missing coverage for when the Galileo constellation is not in view with too few satel... | 1,760,373,837.785068 | ||
https://hackaday.com/2019/07/19/hackaday-podcast-027-confusingly-usb-c-glowey-displays-logically-vga-hackers-who-changed-gaming/ | Hackaday Podcast 027: Confusingly USB-C, Glowey Displays, Logically VGA, Hackers Who Changed Gaming | Mike Szczys | [
"Podcasts"
] | [
"Counter-Strike",
"Hackaday Podcast",
"pcb motor",
"photochromic",
"Raspberry Pi 4",
"USB C",
"vga"
] | Hackaday Editors Elliot Williams and Mike Szczys dive into the most interesting hacks of the week. Confused by USB-C? So are we, and so is the Raspberry Pi 4. Learning VGA is a lot easier when abstract concepts are unpacked onto a huge breadboard using logic chips and an EEPROM. Adding vision to a prosthetic hand makes... | 1 | 1 | [
{
"comment_id": "6166008",
"author": "Tarquinn",
"timestamp": "2019-07-20T21:38:03",
"content": "They spoke about the hardware hack needed to update newer android phones. Can anyone cite some sources for this please.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,837.53333 | ||
https://hackaday.com/2019/07/19/making-flexible-overmolded-parts-with-urethane-resin/ | Making Flexible Overmolded Parts With Urethane Resin | Lewin Day | [
"how-to",
"Misc Hacks"
] | [
"casting resin",
"overmolded",
"overmolding",
"resin",
"urethane"
] | Resin casting videos have taken social media by storm of late. Everything from inlaid driftwood tables to fancy pens are getting the treatment. Pouring some nicely colored epoxy is straightforward enough, but it’s just the tip of the iceberg. [Eric Strebel] has some serious skills in resin casting,
and has lately been ... | 11 | 2 | [
{
"comment_id": "6165762",
"author": "Bo Bo",
"timestamp": "2019-07-19T15:51:52",
"content": "“Initial tests are done with an empty mold to determine the correct material to use,”“any mistakes would waste the expensive prototype PCBs provided to him by the client”The PCB costs more than the epoxy? W... | 1,760,373,837.67043 | ||
https://hackaday.com/2019/07/19/this-week-in-security-ransomware-keys-ios-woes-and-more/ | This Week In Security: Ransomware Keys, IOS Woes, And More | Jonathan Bennett | [
"computer hacks",
"News",
"Security Hacks"
] | [
"ios",
"ransomware",
"This Week in Computer Security"
] | Remember
the end of GandCrab
we talked about a couple weeks back? A new wrinkle to this story is the news that a coalition of law enforcement agencies and security researchers have
released a decrypter and the master decryption keys
for that ransomware. It’s theorized that researchers were able to breach the command an... | 12 | 6 | [
{
"comment_id": "6165725",
"author": "Alexander Wikström",
"timestamp": "2019-07-19T14:25:31",
"content": "So the classical “click it until it gives up” trick works for something that is intended to be far more hardware based? Now I wonder how Apple has actually implemented their system….The URL fea... | 1,760,373,837.583014 | ||
https://hackaday.com/2019/07/19/farting-baseball-from-the-makers-of-self-solving-rubiks-cube/ | Farting Baseball; From The Makers Of Self-Solving Rubik’s Cube | Mike Szczys | [
"classic hacks"
] | [
"134a",
"baseball",
"curveball",
"gas blowback pistols",
"HFC134A",
"solenoid",
"wireless"
] | Some hackers have a style all their own that is immediately recognizable from one project to the next. For instance, you can tell a [Takashi Kaburagi] by its insides. The behavior of
his Farting Baseball project
(
machine translation
) is amusing, but the joke is only skin deep. Look inside and you’ll gain a huge appre... | 12 | 6 | [
{
"comment_id": "6165661",
"author": "Static",
"timestamp": "2019-07-19T11:29:03",
"content": "Be careful there. I’m pretty sure HFC134A is flammable",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6165691",
"author": "NiHaoMike",
"timestamp"... | 1,760,373,837.725182 | ||
https://hackaday.com/2019/07/19/hybrid-drones-could-have-massively-extended-flight-times/ | Hybrid Drones Could Have Massively Extended Flight Times | Lewin Day | [
"drone hacks"
] | [
"drone",
"gasoline",
"hybrid",
"hybrid drone"
] | Multirotor drones truly took off with the availability of lithium polymer batteries, brushless motors, and cheap IMUs. Their performance continues to improve, but their flight time remains relatively short due to the limits of battery technology.
[Nicolai Valenti] aims to solve the problem by developing a hybrid genera... | 130 | 25 | [
{
"comment_id": "6165611",
"author": "Hendrik Wiese",
"timestamp": "2019-07-19T08:05:51",
"content": "Oh great. More CO2 emitting things! That’s what the world needs the most now.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6165699",
"author": "Ma... | 1,760,373,838.178676 | ||
https://hackaday.com/2019/07/18/turning-a-single-bolt-into-a-combination-lock/ | Turning A Single Bolt Into A Combination Lock | Dan Maloney | [
"lockpicking hacks",
"Misc Hacks"
] | [
"brass",
"combination lock",
"lock",
"locksmithing",
"steel"
] | In our search for big-box convenience, we tend to forget that locksmiths once not only copied keys but also created complex locks and other intricate mechanisms from scratch. [my mechanics] hasn’t forgotten, and building a lock is his way of celebrating of the locksmith’s skill.
Building a combination lock from a singl... | 27 | 10 | [
{
"comment_id": "6165599",
"author": "Paul Ramos",
"timestamp": "2019-07-19T06:37:44",
"content": "that YouTube channel is awesome in itself!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165608",
"author": "Xtremegamer",
"timestamp": "2019-07-19T07:... | 1,760,373,837.894888 | ||
https://hackaday.com/2019/07/18/a-card-table-top-turing-machine-of-magic-the-gathering-cards/ | A (Card) Table-Top Turing Machine Of Magic: The Gathering Cards | Roger Cheng | [
"Toy Hacks"
] | [
"card game",
"magic the gathering",
"Turing machine"
] | Within normal rules of collectible card game
Magic: The Gathering
a player may find themselves constrained to only a single legal course of action forward. It’s a situation players could craft to frustrate their opponents, though the victims usually break free after a few moves. But under a carefully crafted scenario, ... | 8 | 4 | [
{
"comment_id": "6165575",
"author": "Ostracus",
"timestamp": "2019-07-19T02:27:01",
"content": "Cities: Skylines too.https://medium.com/@balidani/cities-skylines-is-turing-complete-e5ccf75d1c3a",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165580",
"aut... | 1,760,373,837.830545 | ||
https://hackaday.com/2019/07/18/live-apollo-11-transcript-on-eink-display/ | Live Apollo 11 Transcript On EInk Display | Tom Nardi | [
"Microcontrollers",
"Wearable Hacks"
] | [
"apollo",
"badge",
"csv",
"eink",
"moon"
] | There are few moments in history that have ever been recorded in more detail or analyzed as thoroughly as the Apollo 11 mission to the Moon. Getting three men to our nearest celestial neighbor and back in one piece took a lot of careful planning, and recording every moment of their journey was critical to making sure t... | 1 | 1 | [
{
"comment_id": "6165677",
"author": "Osgeld",
"timestamp": "2019-07-19T12:08:03",
"content": "Wow text on e-ink",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,837.934831 | ||
https://hackaday.com/2019/07/18/put-those-ipad-displays-to-work-with-this-edp-adapter/ | Put Those IPad Displays To Work With This EDP Adapter | Tom Nardi | [
"Parts",
"Tablet Hacks"
] | [
"displayport",
"eDP",
"ipad",
"retina display"
] | Regardless of how you might feel about Apple and the ecosystem they’ve cultured over the years, you’ve got to give them some credit in the hardware department. Their “Retina” displays are a perfect example; when they brought the 2,048 by 1,536 panel to the iPad 3, the technology instantly became the envy of every table... | 37 | 11 | [
{
"comment_id": "6165513",
"author": "Jeff Hodges (@reelsnmags)",
"timestamp": "2019-07-18T20:08:46",
"content": "Is there a seller that you can get the screens from directly or do you have to cannibalize an iPad to make this happen?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,838.257906 | ||
https://hackaday.com/2019/07/18/getting-hackers-excited-about-cable-robots/ | Getting Hackers Excited About Cable Robots | Tom Nardi | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"cable robot",
"stepper motor",
"winch"
] | Ever since he looked into them as a way to water and care for his plants, [Tom] has been fascinated with cable robots. These high-flying gadgets can move in three dimensions over huge areas, provided you’ve got the ability to string up the aforementioned cables. But despite their flexibility, there hasn’t been a whole ... | 22 | 9 | [
{
"comment_id": "6165490",
"author": "Andy Pugh",
"timestamp": "2019-07-18T18:53:12",
"content": "There was a neat hot-wire foam cutter based on a cable system controlled by LinuxCNC. It was mounted to the workshop roof and used a C-shaped frame to maintain cable tension. The web site has died, but ... | 1,760,373,838.31718 | ||
https://hackaday.com/2019/07/18/hacking-shelters-and-swimming-pools/ | Hacking Shelters And Swimming Pools | Al Williams | [
"Featured",
"History",
"Slider"
] | [
"air raid shelter",
"anderson shelter",
"bomb shelter",
"bunker",
"civil defense",
"cold war",
"fall out",
"Fallout",
"morrison shelter",
"nuclear",
"nuclear fall out",
"war",
"wwii"
] | How would you survive in a war-torn country, where bombs could potentially fall from the sky with only very short notice? And what if the bomb in question were The Bomb — a nuclear weapon? This concern is thankfully distant for most of us, but it wasn’t always so. Only 75 years ago, bombs were raining down on England, ... | 44 | 19 | [
{
"comment_id": "6165471",
"author": "jafinch78",
"timestamp": "2019-07-18T17:17:22",
"content": "Now days some need the Morrison Shelter more like a Anechoic Chamber and/or Faraday Cage seems:https://hackaday.com/2018/12/14/build-your-own-anechoic-chamber/https://hackaday.com/2018/09/26/building-a-... | 1,760,373,838.411419 | ||
https://hackaday.com/2019/07/18/project-egress-the-hinges/ | Project Egress: The Hinges | Dan Maloney | [
"Space"
] | [
"apollo",
"brass",
"hatch",
"hinge",
"ipe",
"lathe",
"metalworking",
"replica",
"UCH",
"wood"
] | A door’s hinges are arguably its most important pieces. After all, a door without hinges is just, well, a wall. Or a bulkhead, if we’re talking about a hingeless hatch on a spacecraft.
And so
the assignment for creating hinges
for
Progress Egress
, the celebration of the 50th anniversary of the Apollo 11 landing by cre... | 34 | 7 | [
{
"comment_id": "6165453",
"author": "Anonymous Coward",
"timestamp": "2019-07-18T15:54:40",
"content": "Is assembly Friday, or the 18th??",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6165454",
"author": "Dan Maloney",
"timestamp": "2019-07... | 1,760,373,838.486691 | ||
https://hackaday.com/2019/07/18/blacksmithing-for-the-uninitiated-curves-and-rings/ | Blacksmithing For The Uninitiated: Curves And Rings | Jenny List | [
"Hackaday Columns",
"how-to",
"Skills"
] | [
"anvil",
"blacksmith",
"fire",
"forge",
"hammer",
"howto",
"metal",
"metalworking",
"steel"
] | You know the funny looking side of the anvil? That’s where the best curves come from. It’s called the anvil horn and is the blacksmith’s friend when bending steel and shaping it into curves.
The principle of bending a piece of steel stock is very easy to understand. Heat it up to temperature, and hammer it over a curve... | 9 | 7 | [
{
"comment_id": "6165432",
"author": "Ren",
"timestamp": "2019-07-18T14:32:33",
"content": "“simply hammer that flat on the fact of the anvil.”s/fact/face",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6165765",
"author": "Naviathan",
"timest... | 1,760,373,838.542104 | ||
https://hackaday.com/2019/07/18/torturing-an-instrumented-dive-watch-for-science/ | Torturing An Instrumented Dive Watch, For Science | Dan Maloney | [
"clock hacks",
"Misc Hacks"
] | [
"BMP280",
"crown",
"depth",
"dving",
"ESP-01",
"pressure",
"seal",
"sensor",
"temperature",
"watch",
"water pressure",
"wifi"
] | The Internet is a wild and wooly place where people can spout off about anything with impunity. If you sound like you know what you’re talking about and throw around a few bits of the appropriate jargon, chances are good that somebody out there will believe whatever you’re selling.
Case in point: those that purport tha... | 24 | 8 | [
{
"comment_id": "6165393",
"author": "A_R",
"timestamp": "2019-07-18T11:49:47",
"content": "Sealing at deep depth but leaking at low depth is plausible, even if it wasn’t the case on this particular watch. Sometimes if the case is flexible, it may have a mediocre seal and slow leaking condition un... | 1,760,373,838.604707 | ||
https://hackaday.com/2019/07/18/the-arduboy-ported-to-desktop-and-back-again/ | The Arduboy, Ported To Desktop And Back Again | Brian Benchoff | [
"Arduino Hacks",
"Software Development"
] | [
"3D render",
"Arduboy",
"arduino",
"game engine",
"software",
"software development"
] | A neat little hacker project that’s flying off the workbenches recently is the Arduboy. This tiny game console looks like a miniaturized version of the O.G. Game Boy, but it is explicitly designed to be hacked. It’s basically an Arduino board with a display and a few buttons, anyway.
[rv6502] got their hands on an Ardu... | 21 | 6 | [
{
"comment_id": "6165369",
"author": "ppaa",
"timestamp": "2019-07-18T08:37:34",
"content": "The best software development is not about doing clever tricks but about delivering maintainable software on time. Think thishttps://smartcsm.com/wp-content/uploads/2018/03/21.jpgvs thathttp://plc-online.pl/... | 1,760,373,838.667607 | ||
https://hackaday.com/2019/07/17/bornhack-tease-us-with-their-badge/ | BornHack Tease Us With Their Badge | Jenny List | [
"cons"
] | [
"badge",
"BornHack",
"hacker camp"
] | Every August for the past four years, there has been a summer hacker camp on the Danish island of Bornholm, that may be a relatively new kid on the block but is slowly evolving into one of the summer’s essential stop-offs. This year for the first time they are moving to a larger site in an easier-to-reach part of the c... | 0 | 0 | [] | 1,760,373,838.761445 | ||
https://hackaday.com/2019/07/17/art-meets-science-in-the-cold-wastelands-of-iceland/ | Art Meets Science In The Cold Wastelands Of Iceland | Pat Whetman | [
"Art",
"digital cameras hacks"
] | [
"Iceland",
"landscape",
"photography",
"Thermal"
] | Although Iceland is now a popular destination for the day-tripping selfie-seeking Instagrammer who rents a 4×4, drives it off road onto delicate ecosystems and then videos the ensuing rescue when the cops arrive, there are still some genuine photographers prepared to put a huge amount of time and effort into their art.... | 13 | 5 | [
{
"comment_id": "6165340",
"author": "Jeff Faust",
"timestamp": "2019-07-18T02:30:35",
"content": "“frozen *larva* flows?” That would be interesting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165341",
"author": "Paul",
"timestamp": "2019-07-18T02... | 1,760,373,838.721507 | ||
https://hackaday.com/2019/07/17/high-tech-alms-collection-with-the-esp32/ | High-Tech Alms Collection With The ESP32 | Tom Nardi | [
"Microcontrollers",
"Parts"
] | [
"coin acceptor",
"donations",
"ESP32",
"hackerspace",
"LoRa"
] | In an ideal world, shop space, tools, and components would be free. But until we get to that
Star Trek
utopia, hackerspaces will have to rely on donations from the community to help stay afloat. While asking for money, at least you can have some fun with it
if you design and build an Internet-connected donation box
.
O... | 2 | 2 | [
{
"comment_id": "6165330",
"author": "CMH62",
"timestamp": "2019-07-18T00:14:48",
"content": "Maybe poor Hackerspaces who replicate this should name the box “Robin”. 🙂https://youtu.be/HAa7suaO9sc",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6165407",
"... | 1,760,373,838.806614 | ||
https://hackaday.com/2019/07/17/a-fruity-approach-to-cnc-design/ | A Fruity Approach To CNC Design | Lewin Day | [
"classic hacks"
] | [
"fruit",
"Photogrammetry",
"starfruit"
] | [Frank Howarth] found himself in need of a lamp for his dining room. Being of the maker persuasion, store-bought simply wouldn’t do. With a serious wood shop at his disposal,
[Frank] took a trip down to the supermarket for inspiration
.
Having picked out a particularly well-formed starfruit for his project, [Frank] did... | 8 | 2 | [
{
"comment_id": "6165298",
"author": "RandyKC",
"timestamp": "2019-07-17T21:06:14",
"content": "“[Frank] is currently workshopping the design with the inhabitants of the dining room, prior to the final build.”To wit, Trying to get something his wife or roommates will accept.",
"parent_id": null,... | 1,760,373,839.09476 | ||
https://hackaday.com/2019/07/17/3d-printed-prosthesis-tracks-objects-moves-smoothly/ | 3D Printed Prosthesis Reads Your Mind, Sees With Its Hand | Erin Pinheiro | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"3d printed hand",
"3d printing",
"Brain controlled interface",
"Hackaday Prize",
"myoelectric",
"Prosthesis",
"Prosthetic arm",
"prosthetic hand",
"raspberry pi"
] | Hobbyist electronics and robotics are getting cheaper and easier to build as time moves on, and one advantage of that is the possibility of affordable prosthetics. A great example is
this transhumeral prosthesis from
[Duy]
, his entry for this year’s Hackaday Prize.
With ten degrees of freedom, including individual fin... | 4 | 4 | [
{
"comment_id": "6165306",
"author": "Stuart Longland",
"timestamp": "2019-07-17T21:39:29",
"content": "Nice, using an ARM chip (Broadcom BCM283x) for controlling a hand prosthesis. I wonder what its battery life is like.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,373,839.052182 | ||
https://hackaday.com/2019/07/17/tuning-into-atomic-radio-quantum-technique-unlocks-laser-based-radio-reception/ | Tuning Into Atomic Radio: Quantum Technique Unlocks Laser-Based Radio Reception | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Laser Hacks",
"News",
"Radio Hacks",
"Slider"
] | [
"Atomic Radio",
"eletromagnetic",
"laser",
"optical",
"Rydberg Atoms"
] | The basic technology of radio hasn’t changed much since an Italian marquis first blasted telegraph messages across the Atlantic using a souped-up spark plug and a couple of coils of wire. Then as now, receiving radio waves relies on antennas of just the right shape and size to use the energy in the radio waves to induc... | 32 | 13 | [
{
"comment_id": "6165252",
"author": "Ostracus",
"timestamp": "2019-07-17T17:48:17",
"content": "“… but complex because it takes a physics lab full of lasers and optics to make it work.”I suspect we’ll be able to shrink that down since it doesn’t take a lot of that cloud to work.",
"parent_id": ... | 1,760,373,839.165109 | ||
https://hackaday.com/2019/07/17/flashing-leds-with-midi-note-by-note/ | Flashing LEDs With MIDI, Note By Note | Lewin Day | [
"Musical Hacks"
] | [
"apa102",
"led",
"Teensy"
] | Musical keyboards that light up the correct notes to play have long been touted as a quick and easy way to learn how to play. They’re also fun to look at. [Shootingmaker] has developed a similar concept,
with a keyboard lookalike, covered in LEDs (Youtube video, embedded below).
The project consists of a PCB, in which ... | 3 | 2 | [
{
"comment_id": "6165214",
"author": "Alex",
"timestamp": "2019-07-17T16:19:01",
"content": "It is slightly irritating, that the colors of the LEDs does not match the colors of the notes on the screen above.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "616... | 1,760,373,839.206277 | ||
https://hackaday.com/2019/07/17/counter-strike-at-20-two-hackers-upend-the-gaming-industry/ | Counter-Strike At 20: Two Hackers Upend The Gaming Industry | Drew Littrell | [
"Featured",
"Games",
"Interest",
"Slider"
] | [
"fps",
"history",
"pc gaming",
"pc mod",
"videogames"
] | Choices matter. You’ve only got one shot to fulfill the objective. A single coordinated effort is required to defuse the bomb, release the hostages, or outlast the opposition. Fail, and there’s no telling when you’ll get your next shot. This is the world that Counter-Strike presented to PC players in 1999, and the para... | 62 | 10 | [
{
"comment_id": "6165203",
"author": "mike",
"timestamp": "2019-07-17T15:20:36",
"content": "Gaming has become such a huge thing. Yet what skills does it teach a person? nothing….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6165204",
"author": "ea... | 1,760,373,839.486907 | ||
https://hackaday.com/2019/07/17/3d-printed-snap-gun-for-automatic-lock-picking/ | 3D Printed Snap Gun For Automatic Lock Picking | Pat Whetman | [
"3d Printer hacks",
"car hacks",
"handhelds hacks",
"lockpicking hacks"
] | [
"3d printed",
"lock pick",
"lock picking",
"snap gun"
] | At a far flung, wind blown, outpost of Hackaday, we were watching a spy film
with a bottle of suitably cheap Russian vodka when suddenly a blonde triple agent presented a fascinating looking gadget to a lock and proceeded to unpick it automatically. We all know very well that we should not believe everything we see on ... | 31 | 11 | [
{
"comment_id": "6165140",
"author": "Swedish Steel",
"timestamp": "2019-07-17T11:13:19",
"content": "Good luck picking a European door lock with that – seems more suitable for small children’s diary locks :).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,373,839.387536 |
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