url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2019/08/28/everything-you-want-to-know-about-the-cheapest-processors-available/ | Everything You Want To Know About The Cheapest Processors Available | Jenny List | [
"Parts"
] | [
"CPU.MCU",
"microcontroller",
"terrible processor"
] | Those of us who use microprocessors in our work will be familiar with their cost, whether we are buying one or two for a project or ten million on reels for a production run. We’re used to paying tens of cents or maybe even a dollar for a little microcontroller in single quantities, and these are probably the cheapest ... | 48 | 13 | [
{
"comment_id": "6175312",
"author": "scott.tx",
"timestamp": "2019-08-28T15:37:51",
"content": "at the rate I screw up code that 9 cents a cpu could get expensive fast :P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6175348",
"author": "Doc Oct",
... | 1,760,373,790.578605 | ||
https://hackaday.com/2019/08/26/quantum-radar-hides-in-plain-sight/ | Quantum Radar Hides In Plain Sight | Al Williams | [
"Radio Hacks"
] | [
"entanglement",
"joesphson",
"quantum",
"quantum entanglement",
"quantum illumination",
"quantum radar",
"radar"
] | Radar was a great invention that made air travel much safer and weather prediction more accurate, indeed it is even credited with winning the Battle of Britain. However, it carries a little problem with it during times of war. Painting a target with radar (or even sonar) is equivalent to standing up and wildly waving a... | 38 | 11 | [
{
"comment_id": "6174892",
"author": "Robert Gilliam",
"timestamp": "2019-08-27T02:39:42",
"content": "Good synopsis.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174907",
"author": "qwert",
"timestamp": "2019-08-27T04:52:20",
"content": "That’s... | 1,760,373,790.215782 | ||
https://hackaday.com/2019/08/26/debug-superpowers-bring-an-stm32-back-from-the-dead/ | Debug Superpowers Bring An STM32 Back From The Dead | Kerry Scharfglass | [
"Microcontrollers"
] | [
"arm",
"assembly",
"Blackmagic Probe",
"cpu fault",
"debug",
"debugger",
"embedded",
"fault",
"gdb",
"hardfault",
"openocd"
] | When a processor has a fault it can leave what looks to be precious little in the way of cause and effect. Debug-by-print-statement works surprisingly well in simple cases, but where in a desktop environment you would drop into a debugger to solve trickier problems this can be an onerous task on an embedded system.
[Ro... | 5 | 3 | [
{
"comment_id": "6174922",
"author": "jpa",
"timestamp": "2019-08-27T06:25:49",
"content": "Here’s another version of the same idea:https://github.com/karlp/zypsnips/blob/master/armv7m-vecstate-zippe.gdb",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174929",... | 1,760,373,790.142181 | ||
https://hackaday.com/2019/08/26/3d-printed-pen-plotter-is-as-big-as-you-need-it-to-be/ | 3D Printed Pen Plotter Is As Big As You Need It To Be | Tom Nardi | [
"3d Printer hacks",
"Arduino Hacks",
"Tool Hacks"
] | [
"aluminum extrusion",
"CNC shield",
"NEMA17",
"pen plotter",
"plotter",
"servo"
] | There’s nothing quite like building something to your own personal specifications. It’s why desktop 3D printers are such a powerful tool, and
why this scalable plotter from the [Lost Projects Office] is so appealing
. You just print out the end pieces and then pair it with rods of your desired length. If you’ve got som... | 17 | 5 | [
{
"comment_id": "6174829",
"author": "RChadwick",
"timestamp": "2019-08-26T20:17:52",
"content": "Patiently waiting for someone to try and make a PCB with this.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174895",
"author": "NFM",
"timest... | 1,760,373,790.495029 | ||
https://hackaday.com/2019/08/26/candy-colored-synth-sounds-sweet/ | Candy-Colored Synth Sounds Sweet | Kristina Panos | [
"Microcontrollers",
"Musical Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize"
] | Let’s face it, synthesizers are awesome. But commercial synths are pretty expensive. Even the little toy ones like the KORG Volca and the MicroKORG will run you a few hundred bucks. For the most part, they’re worth the price because they’re packed with features. This is great for experienced synth wizards, but can be i... | 14 | 10 | [
{
"comment_id": "6174862",
"author": "Anonymous Coward",
"timestamp": "2019-08-26T22:10:20",
"content": "Great job Kenneth! Impressive skills and informative video. When are you selling the synth as a kit?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61749... | 1,760,373,790.628889 | ||
https://hackaday.com/2019/08/26/linux-fu-its-a-trap/ | Linux Fu: It’s A Trap! | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Skills"
] | [
"kill",
"linux",
"Linux Fu",
"signal",
"trap"
] | It is easy to think that a Linux shell like Bash is just a way to enter commands at a terminal. But, in fact, it is also a powerful programming language as we’ve seen from projects ranging from web servers to simple utilities to make dangerous commands safer. Like most programming languages, though, there are multiple ... | 14 | 6 | [
{
"comment_id": "6174801",
"author": "Anastasiu Gabriel",
"timestamp": "2019-08-26T17:57:45",
"content": "thanQ ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174835",
"author": "Dave",
"timestamp": "2019-08-26T20:38:40",
"content": "So is ther... | 1,760,373,790.273257 | ||
https://hackaday.com/2019/08/26/parallax-update-hack-chat/ | Parallax Update Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"basic stamp",
"boe-bot",
"cog",
"core",
"education",
"microcontroller",
"multicore",
"parallax",
"propeller",
"Propeller 2",
"stem",
"The Hack Chat"
] | Join us on Wednesday, August 28th at noon Pacific for the
Parallax Update Hack Chat
with
Chip
and
Ken Gracey
!
For a lot of us, our first exposure to the world of microcontrollers was through the offerings of
Parallax, Inc
. Perhaps you were interested in doing something small and light, and hoping to leverage your pro... | 8 | 5 | [
{
"comment_id": "6174788",
"author": "Raidcore",
"timestamp": "2019-08-26T16:38:47",
"content": "They helped me out so much when I was first getting started. I called their tech support once at the request of their support forum moderator. The gentleman who answered was very helpful and patient. Aft... | 1,760,373,790.318498 | ||
https://hackaday.com/2019/08/26/the-trials-and-tribulations-of-e-bike-drivetrain-design/ | The Trials And Tribulations Of E-Bike Drivetrain Design | Lewin Day | [
"Transportation Hacks"
] | [
"ebike",
"electric bike"
] | [Tom Stanton] is well-regarded in the maker community, and has put much effort in over the years on a variety of electric vehicle builds. In the process of upgrading his e-bike last year, he ran into some issues with the main drive pulley. Rather than rely on guesswork,
he threw engineering at the problem
.
Static weig... | 32 | 6 | [
{
"comment_id": "6174770",
"author": "M",
"timestamp": "2019-08-26T15:23:13",
"content": "Look hard enough, and you’ll find a flip-flop hub with one side reverse threaded. You can get a matching reverse threaded, and reverse acting ratchet flange. Need then only to find/ manufacture/ adapt an approp... | 1,760,373,790.394642 | ||
https://hackaday.com/2019/08/25/lead-former-makes-led-cubes-a-little-easier-to-build/ | Lead Former Makes LED Cubes A Little Easier To Build | Dan Maloney | [
"Misc Hacks",
"Robots Hacks"
] | [
"bending",
"Circuit Sculpture",
"die",
"lead forming",
"Leads",
"led",
"LED cube",
"mandrel",
"servos",
"solenoid",
"trimmer"
] | There’s no doubting the allure of a nicely crafted LED cube; likewise, there’s no doubting that they can be a tremendous pain to build. After all, the amount of work scales as the cube of the number of LEDs you want each side to have, and let’s face it – with LED cubes, the bigger, the better. What to do about all that... | 8 | 6 | [
{
"comment_id": "6174614",
"author": "Vije Miller",
"timestamp": "2019-08-25T17:43:43",
"content": "(O.o) for the projectfor 16X16X16 cubeI don’t even have the patience to wire up a single RGB LED",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174616",
... | 1,760,373,790.436638 | ||
https://hackaday.com/2019/08/25/the-tens-of-millions-of-faces-training-facial-recognition-youll-soon-be-able-to-search-for-yourself/ | The Tens Of Millions Of Faces Training Facial Recognition; You’ll Soon Be Able To Search For Yourself | Mike Szczys | [
"cons"
] | [
"cccamp",
"CCCamp2019",
"face recognition",
"facial recognition"
] | In a stiflingly hot lecture tent at CCCamp on Friday, Adam Harvey took to the stage to discuss the huge data sets being used by groups around the world to train facial recognition software. These faces come from a variety of sources and soon Adam and his research collaborator Jules LaPlace
will release a tool that make... | 46 | 14 | [
{
"comment_id": "6174596",
"author": "Mike",
"timestamp": "2019-08-25T14:33:45",
"content": "Why people are so paranoid over this is just simple paranoia. So some system can figure out things about me, so what.So they use the security cameras at work to see that I went to the bathroom 6 times during... | 1,760,373,790.804363 | ||
https://hackaday.com/2019/08/25/take-pictures-around-a-corner/ | Take Pictures Around A Corner | Bryan Cockfield | [
"Software Hacks"
] | [
"3d model",
"camera",
"code",
"corner",
"hidden",
"image processing",
"software"
] | One of the core lessons any physics student will come to realize is that the more you know about physics, the less intuitive it seems. Take the nature of light, for example. Is it a wave? A particle? Both? Neither? Whatever the answer to the question, scientists are at least able to exploit some of its characteristics,... | 8 | 4 | [
{
"comment_id": "6174582",
"author": "Pauline",
"timestamp": "2019-08-25T11:08:23",
"content": "This appears to be using Helmholtz Reciprocity – a well-known concept in computer vision circles.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174584",
"auth... | 1,760,373,791.001356 | ||
https://hackaday.com/2019/08/25/inventor-and-detective-create-range-of-snack-hiding-devices/ | Inventor And Detective Create Range Of Snack-Hiding Devices | Maya Posch | [
"home hacks"
] | [
"furze",
"hiding",
"safety tie",
"snacks",
"woodworking"
] | Anyone who has had to deal with siblings, their friends, flatmates or parents who are overly fond of snacks may know this issue: you bought some snacks for your own consumption, but before you can get to them they have vanished. Naturally, nobody knows what happened to said snacks and obviously outraged that anyone wou... | 8 | 6 | [
{
"comment_id": "6174581",
"author": "Val",
"timestamp": "2019-08-25T10:34:36",
"content": "This will be useful for me living in a dangerous country. Hiding valuables is always something done. The more creative the better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,373,791.164086 | ||
https://hackaday.com/2019/08/24/the-danish-internet-of-hot-tubs/ | The Danish Internet Of Hot Tubs | Jenny List | [
"home hacks"
] | [
"BornHack",
"ESP8266",
"hot tub",
"temperature sensor"
] | Every hacker camp has its own flavor, and BornHack 2019 in the Danish countryside gave us the opportunity to sample some hacker relaxation, Scandinavian style. Among the attractions was a wood-fired hot tub of gargantuan proportions, in which the tired attendee could rejuvenate themselves at 40 Celcius in the middle of... | 2 | 2 | [
{
"comment_id": "6174572",
"author": "Daren Schwenke",
"timestamp": "2019-08-25T07:08:18",
"content": "I am proud to call Paul Haas one of early mentors. Thank you Paul.https://aadl.org/aa_news_19950118_pa1-cybertub",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id... | 1,760,373,791.119949 | ||
https://hackaday.com/2019/08/24/hacked-hoverboards-become-potent-rc-tank/ | Hacked Hoverboards Become Potent RC Tank | Lewin Day | [
"hardware",
"Robots Hacks"
] | [
"hoverboard"
] | Hoverboards were the darling, or perhaps the scourge, of the last few years, Banned by vigilant airlines, they’re a great way to break an ankle or set your house on fire. However, they’re also a treasure trove of valuable parts for hacking,
as [Aaron] ably demonstrates with his RC tank build
.
[Aaron’s] build utilizes ... | 11 | 6 | [
{
"comment_id": "6174557",
"author": "M",
"timestamp": "2019-08-25T02:54:16",
"content": "Das ist Goliath, ja?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174578",
"author": "@MAYERMAKES",
"timestamp": "2019-08-25T08:57:03",
"content": "I rode ... | 1,760,373,791.21416 | ||
https://hackaday.com/2019/08/24/conductive-origami/ | Conductive Origami Lights Up Your Life | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3D printable fabric",
"design",
"fabric",
"foldable",
"light",
"origami"
] | It’s taken mobile phone developers years to develop electric circuits and displays that can fold. Finally he first few have come to market — with mixed reviews and questionable utility at best. For all that R&D, there are a lot of other cases where folding circuitry might have been more useful than it seems these hands... | 2 | 2 | [
{
"comment_id": "6174558",
"author": "Tyler",
"timestamp": "2019-08-25T03:12:00",
"content": "Look’s very cool but hard to make I’m up for a challenge",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174970",
"author": "Hassi",
"timestamp": "2019-08-27T... | 1,760,373,791.332933 | ||
https://hackaday.com/2019/08/26/the-satellite-phone-you-already-own-from-orbit-ubiquitilink-will-look-like-a-cell-tower/ | The Satellite Phone You Already Own: From Orbit, UbiquitiLink Will Look Like A Cell Tower | Dan Maloney | [
"Featured",
"News",
"Original Art",
"Radio Hacks",
"Slider",
"Wireless Hacks"
] | [
"cdma",
"satellite phone",
"TDMA",
"UbiquitiLink"
] | For anyone that’s ever been broken down along a remote stretch of highway and desperately searched for a cell signal, knowing that a constellation of communications satellites is zipping by overhead is cold comfort indeed. One needs specialized gear to tap into the satphone network, few of us can justify the expense of... | 54 | 18 | [
{
"comment_id": "6174750",
"author": "Mike Massen",
"timestamp": "2019-08-26T14:18:03",
"content": "Interesting and logical too, though will come down to the type of plans for initial effective commercial uptake, if at least to earn sufficient to maintain infrastructure and minimal admin, thanks for... | 1,760,373,791.632447 | ||
https://hackaday.com/2019/08/26/step-up-your-jetson-nano-game-with-these-printable-accessories/ | STEP Up Your Jetson Nano Game With These Printable Accessories | Kerry Scharfglass | [
"3d Printer hacks",
"hardware"
] | [
"3d printed",
"bicycle",
"interconnect",
"Jetson Nano",
"mount",
"NVIDIA",
"Nvidia Jetson",
"Nvidia Jetson Nano",
"raspberry pi",
"stand"
] | Found yourself with a shiny new NVIDIA Jetson Nano but tired of having it slide around your desk whenever cables get yanked? You need a stand! If only there was a convenient repository of options that anyone could print out to attach this hefty single-board computer to nearly anything. But wait, there is! [Madeline Gan... | 5 | 3 | [
{
"comment_id": "6174760",
"author": "Patrick Van Oosterwijck (@xorbit1)",
"timestamp": "2019-08-26T14:47:33",
"content": "I always have to laugh so hard when I see things like this, with circuit boards sitting outside in a yard or whatever.Have they ever actually tried to deploy something outdoors?... | 1,760,373,791.424483 | ||
https://hackaday.com/2019/08/26/air-hockey-table-is-a-breeze-to-build/ | Air Hockey Table Is A Breeze To Build | Kristina Panos | [
"Arduino Hacks"
] | [
"air hockey",
"arduino",
"Arduino Uno",
"one-a-hockey",
"two-a-hockey"
] | Many of us have considered buying an air hockey table, but are put off by the price. And even if the money is there, those things take up a lot of space. How often are you
really
going to use it?
This DIY air hockey table is the answer
. It’s big enough to be fun, but small and light enough to easily stow away in the o... | 4 | 4 | [
{
"comment_id": "6174728",
"author": "Jan",
"timestamp": "2019-08-26T11:30:05",
"content": "fun project… but with a vacuumcleaner powering it, I wonder how long the fun lasts.I would be fun if the vacuumcleaner could be switched from blow to suck electronicqally. That way you can “pause” the game by... | 1,760,373,791.376238 | ||
https://hackaday.com/2019/08/25/vintage-console-becomes-the-calculator-it-appears-to-be/ | Vintage Console Becomes The Calculator It Appears To Be | Dan Maloney | [
"Retrocomputing"
] | [
"calculator",
"console",
"gps",
"logarithms",
"nixie",
"pic32",
"retrocomputing",
"RPN",
"Wang"
] | What’s sitting on [Bob Alexander]’s desk in the video below did not start out life as the desktop calculator it appears to be.
Turning it into a standalone calculator
with features the original designers couldn’t imagine turned out to be an interesting project, and a trip down the retrocomputing rabbit hole.
A little e... | 9 | 6 | [
{
"comment_id": "6174699",
"author": "Westdude",
"timestamp": "2019-08-26T06:05:36",
"content": "$1500? I can’t see it getting that even if they;re asking that. I know of three of these boat anchors at work… You know you had to periodically clean the card edge connectors with a pencil eraser? Not ... | 1,760,373,791.513315 | ||
https://hackaday.com/2019/08/25/nes-gets-a-slick-acrylic-casemod/ | NES Gets A Slick Acrylic Casemod | Lewin Day | [
"Nintendo Hacks"
] | [
"Case mod",
"case modding",
"casemod",
"nes",
"nintendo"
] | Those alive during the 1990s will remember the clear or “crystal” versions of various home consoles. Made with the usual injection molding processes, they usually came out somewhere closer to a smoky translucency and didn’t reveal much of the insides. [BitHead1000] likes to do things right though,
and has busted out an... | 9 | 5 | [
{
"comment_id": "6174682",
"author": "Clara",
"timestamp": "2019-08-26T02:50:19",
"content": "No shielding? There goes your part 15 compliance. 🤷🏻♀️",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174683",
"author": "Lily",
"timestamp": "... | 1,760,373,791.46673 | ||
https://hackaday.com/2019/08/25/hackaday-links-august-25-2019/ | Hackaday Links: August 25, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"3d printer",
"6502",
"apple",
"design",
"diagnosis",
"fet",
"hackaday links",
"repair",
"slic3r",
"transistor",
"zine"
] | Doesn’t the Z-axis on 3D-printers seem a little – underused? I mean, all it does is creep up a fraction of a millimeter as the printer works through each slice. It would be nice if it could work with the other two axes and actually do something interesting. Which is exactly what’s happening in the
nonplanar 3D-printing... | 7 | 5 | [
{
"comment_id": "6174677",
"author": "gregg4",
"timestamp": "2019-08-26T01:15:04",
"content": "I give the hacker magazine a bushel of lemons, and bigger one of New York apples to the guy who worked out how to do bitcoin mining on an Apple ][e. However…. He gets the bushel of apples swapped for small... | 1,760,373,791.673984 | ||
https://hackaday.com/2019/08/25/glia-is-making-open-medical-devices-and-you-can-help/ | Glia Is Making Open Medical Devices, And You Can Help | Tom Nardi | [
"Medical Hacks",
"Tool Hacks"
] | [
"freecad",
"Glia",
"libre",
"medical devices",
"open hardware",
"openscad",
"tinkercad"
] | The Glia project aims to create a suite of free and open-source medical equipment that can be assembled cheaply and easily when and where it’s needed. Even essential tools like stethoscopes and tourniquets can be difficult to acquire in certain parts of the world, especially during times of war or civil unrest. But arm... | 40 | 10 | [
{
"comment_id": "6174636",
"author": "Bryce",
"timestamp": "2019-08-25T20:12:19",
"content": "This is great. Medical stuff is insanely overpriced, even when the regulatory requirements are not so onerous as to remotely justify it. For my third year in medical school I got a cheap LED penlight, but a... | 1,760,373,791.771869 | ||
https://hackaday.com/2019/08/24/a-colorful-way-to-play-chess-on-an-atmega328/ | A Colorful Way To Play Chess On An ATmega328 | Maya Posch | [
"Arduino Hacks",
"LED Hacks",
"Microcontrollers"
] | [
"arduino",
"atmega328p",
"chess",
"games"
] | We’ve all seen those chess computers that consist out of a physical playing field, and a built-in computer that would indicate where you should put its pieces while inputting the position of your pieces in some way. These systems are usually found in a dusty cardboard box in a back room’s closet, as playing like this i... | 2 | 2 | [
{
"comment_id": "6174540",
"author": "Danjovic",
"timestamp": "2019-08-24T22:41:26",
"content": "Wow!! that´s an enlightened weekend.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174576",
"author": "Jan",
"timestamp": "2019-08-25T08:36:26",
"con... | 1,760,373,792.112645 | ||
https://hackaday.com/2019/08/24/this-rubiks-cube-lamp-has-some-serious-retro-style/ | This Rubik’s Cube Lamp Has Some Serious Retro Style | Lewin Day | [
"LED Hacks"
] | [
"cube",
"glowing cube",
"LED cube",
"rubiks cube"
] | The reassembly is handled with super glue and acrylic to diffuse the light.
There’s an easy way to signal to your friends and family that you’re a successful, urbane member of society – by decorating your home with tasteful references to popular culture. A classy oil painting of Yoda or a framed Tarantino movie poster ... | 4 | 3 | [
{
"comment_id": "6174502",
"author": "djsmiley2k",
"timestamp": "2019-08-24T17:11:51",
"content": "I have cats playing hungry hippos (reference to dogs playing poker) but they’re not buying it :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174577",
"au... | 1,760,373,792.022232 | ||
https://hackaday.com/2019/08/24/an-entire-pdp-11-on-your-bench/ | An Entire PDP-11 On Your Bench | Jenny List | [
"Retrocomputing"
] | [
"DEC",
"pdp",
"pdp-11"
] | A PDP-11 at
The National Museum Of Computing
, Bletchley, UK.
The DEC PDP series of minicomputers occupy a special place in computing history for us, because as the workhorses of commercial computing from the 1960s through to some time in the 1990s they provided the bedrock upon which so many of the computing technolog... | 25 | 14 | [
{
"comment_id": "6174469",
"author": "Andy Pugh",
"timestamp": "2019-08-24T14:06:42",
"content": "I think my employer retired their last PDP-11 3 years ago. (It was controlling an engine dynamometer cell)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174475"... | 1,760,373,792.189492 | ||
https://hackaday.com/2019/08/24/led-triangle-looks-cool-someone-tell-alt-j/ | LED Triangle Looks Cool; Someone Tell Alt-J | Lewin Day | [
"LED Hacks"
] | [
"led",
"triangle"
] | For the average person, decorating at home is as simple as a few choice picks from the IKEA catalogue. Makers are a different breed, though – preferring something customized and glowing.
This LED triangle is a particularly great example of the form
, and the latest benchmark for excellence to come out of [scanlime’s] w... | 7 | 3 | [
{
"comment_id": "6174451",
"author": "Steven13",
"timestamp": "2019-08-24T12:57:20",
"content": "The average person probably lives over a hundred KM from an Ikea.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174460",
"author": "Eric",
"tim... | 1,760,373,792.070846 | ||
https://hackaday.com/2019/08/24/perfect-cheese-every-time-with-this-temperature-controller/ | Perfect Cheese Every Time With This Temperature Controller | Jenny List | [
"cooking hacks"
] | [
"Arduino Mega 2560",
"cheese",
"thermocouple"
] | Anyone who is from a background in which cheesemaking is a feature will tell you that it is an exact science in which small differences in parameters can make a huge difference in the resulting cheese, to the extent that entire batches can be rendered inedible. In particular the temperature at which the milk is held ca... | 13 | 5 | [
{
"comment_id": "6174424",
"author": "Jan",
"timestamp": "2019-08-24T08:39:22",
"content": "Interesting project, yet all this technology does make you wonder… How did our ancestors managed to stay alive or even managed to make cheese at all. I guess that in many cases they didn’t… (regarding both).R... | 1,760,373,792.329808 | ||
https://hackaday.com/2019/08/23/modern-linux-runs-on-ancient-toshiba/ | Modern Linux Runs On Ancient Toshiba | Bryan Cockfield | [
"Retrocomputing"
] | [
"aosc os",
"intel",
"laptop",
"linux",
"pentium",
"retro",
"t4900ct",
"Toshiba"
] | While Microsoft no longer supports those of its operating systems that were in heavy use into the early 2000s, support for old hardware is not typically something that you will have to worry about if you run Linux on your machines. Sure, there will be driver issues from time to time, and you might have to do some thing... | 65 | 18 | [
{
"comment_id": "6174405",
"author": "John Klos",
"timestamp": "2019-08-24T05:36:34",
"content": "People run new OSes on old x86 all the time. Pentiums aren’t even all that old. That you can run a modern OS (NetBSD) on a VAX in 2019 is impressive, and you don’t even need a special distro just to do ... | 1,760,373,792.51605 | ||
https://hackaday.com/2019/08/23/joining-the-risc-v-ranks-ibms-power-isa-to-become-free/ | Joining The RISC-V Ranks: IBM’s Power ISA To Become Free | Maya Posch | [
"hardware",
"News"
] | [
"CPU ISA",
"ibm",
"power architecture",
"Power CPU",
"Power ISA"
] | IBM’s Power processor architecture is probably best known today as those humongous chips that power everything from massive mainframes and supercomputers to slightly less massive mainframes and servers. Originally developed in the 1980s, Power CPUs have been a reliable presence in the market for decades, forming the ba... | 38 | 10 | [
{
"comment_id": "6174371",
"author": "gregg4",
"timestamp": "2019-08-24T02:15:31",
"content": "Yes actually. Find me a Power 9 (or even a Power 8) develops board, and I’ll start developing stuff in Linux on. Perhaps even a Slackware port for the Power family.",
"parent_id": null,
"depth": 1... | 1,760,373,792.58856 | ||
https://hackaday.com/2019/08/23/diy-zigbee-therapy-lights-are-hue-compatible/ | DIY ZigBee Therapy Lights Are Hue Compatible | Tom Nardi | [
"LED Hacks",
"Medical Hacks"
] | [
"light box",
"light therapy",
"philips hue",
"sleep disorder",
"zigbee"
] | Working on a project into the wee hours is hardly uncommon for us hackers, but if you’re consistently sleeping until the afternoon, it’s possible you’re suffering from a condition known as Delayed Phase Sleep Disorder (DPSD). Put simply, your body’s internal clock is out of alignment with the world around you. One of t... | 0 | 0 | [] | 1,760,373,792.417841 | ||
https://hackaday.com/2019/08/23/feeding-chickens-with-style/ | Feeding Chickens, With Style | Dan Maloney | [
"Misc Hacks"
] | [
"animal",
"arduino",
"chicken",
"feed",
"food",
"pets",
"raspberry pi",
"twitch"
] | Ah, the joys of domestic animals. Often adorable, occasionally useful, they’re universally unable to care for themselves in the slightest. That’s part of the bargain though; we take over responsibility for their upkeep and they repay us with whatever it is they do best. Unless the animal in question is a cat, of course... | 8 | 5 | [
{
"comment_id": "6174317",
"author": "cyberteque",
"timestamp": "2019-08-23T20:09:13",
"content": "lolone Saturday afternoon the local community radio stationDJ’s asked what will you do for free tickets to “Transformers”?me“I’ll put 10’000 turkeys live to air”she actually rang me back!and I did…",
... | 1,760,373,792.373845 | ||
https://hackaday.com/2019/08/23/be-better-bracelet-breaks-bad-habits-fosters-favorable-fixations/ | Be Better Bracelet Breaks Bad Habits, Fosters Favorable Fixations | Kristina Panos | [
"The Hackaday Prize",
"Wearable Hacks"
] | [
"2019 Hackaday Prize",
"habit tracking",
"negative reinforcement",
"positive reinforcement"
] | Do you want to be a better person? Maybe you want to curse less, drink more water, or post fewer inflammatory comments on the internet. You could go the old school route by wearing a rubber band around your wrist and snapping it every time you slip, or literally pat yourself on the back when you do the right thing. Whi... | 15 | 9 | [
{
"comment_id": "6174286",
"author": "Jonathan Bennett",
"timestamp": "2019-08-23T18:33:06",
"content": "I was expecting an electric shock function to be built in. :P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174292",
"author": "PWalsh",
... | 1,760,373,792.648163 | ||
https://hackaday.com/2019/08/23/airport-runways-and-hashtags-how-to-become-a-social-engineer/ | Airport Runways And Hashtags — How To Become A Social Engineer | Sharon Lin | [
"Hackaday Columns",
"how-to",
"Original Art",
"Security Hacks",
"Skills"
] | [
"osint",
"persuasion",
"Robert Cialdini",
"social engineering",
"wisp"
] | Of the $11.7 million companies lose to cyber attacks each year, an estimated 90% begin with a phone call or a chat with support, showing that the human factor is clearly an important facet of security and that security training is seriously lacking in most companies. Between open-source intelligence (OSINT) — the data ... | 11 | 5 | [
{
"comment_id": "6174266",
"author": "Ostracus",
"timestamp": "2019-08-23T17:27:59",
"content": "Interesting, but how much of this is going to be culturally influenced?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174289",
"author": "The Other Mik... | 1,760,373,792.860981 | ||
https://hackaday.com/2019/08/23/hackaday-podcast-032-meteorite-snow-globes-radioactive-ramjet-rockets-autonomous-water-boxes-and-ball-reversers/ | Hackaday Podcast 032: Meteorite Snow Globes, Radioactive Ramjet Rockets, Autonomous Water Boxes, And Ball Reversers | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"ardupilot",
"ball reverser",
"coanda effect",
"echo dot",
"Hackaday Podcast",
"kite winder",
"micrometeorite",
"radiation",
"scramjet"
] | Hackaday Editors Mike Szczys and Elliot Williams recorded this week’s podcast live from Chaos Communication Camp, discussing the most interesting hacks on offer over the past week. I novel locomotion news, there’s a quadcopter built around the coanda effect and an autonomous boat built into a plastic storage bin. The r... | 0 | 0 | [] | 1,760,373,792.688292 | ||
https://hackaday.com/2019/08/23/ota-flash-tool-makes-fitness-tracker-hacking-more-accessible/ | OTA Flash Tool Makes Fitness Tracker Hacking More Accessible | Tom Nardi | [
"Arduino Hacks",
"Wearable Hacks"
] | [
"android app",
"Arduino IDE",
"ble",
"custom firmware",
"fitness tracker"
] | Over the last several months, [Aaron Christophel] has been working on creating a custom firmware for cheap fitness trackers. His current target is the “D6 Tracker” from a company called MPOW, which can be had for as little as $7 USD. The ultimate goal is to make it so anyone will be able to write their own custom firmw... | 25 | 8 | [
{
"comment_id": "6174248",
"author": "DJ Flow",
"timestamp": "2019-08-23T16:03:39",
"content": "Anyone else bothered by the fact that you can flash this over the air with no user intervention? Would be prudent to have the bootloader require holding down the button on boot to get into flash update m... | 1,760,373,792.805496 | ||
https://hackaday.com/2019/08/23/this-week-in-security-knob-old-scams-are-new-again-0-days-backdoors-and-more/ | This Week In Security: KNOB, Old Scams Are New Again, 0-days, Backdoors, And More | Jonathan Bennett | [
"computer hacks",
"Hackaday Columns",
"Security Hacks"
] | [
"0-day",
"bluetooth",
"knob",
"siri"
] | Bluetooth is a great protocol. You can listen to music, transfer files, get on the internet, and more. A side effect of those many uses is that the specification is complicated and intended to cover many use cases. A team of researchers took a look at the Bluetooth specification, and discovered a problem they call
the ... | 12 | 7 | [
{
"comment_id": "6174231",
"author": "Brian",
"timestamp": "2019-08-23T14:38:21",
"content": "“All it takes to discover this attack…”The suspense is killing me. Or not.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174282",
"author": "Jonathan Benn... | 1,760,373,792.745203 | ||
https://hackaday.com/2019/08/23/alarm-system-defeated-by-2-wireless-dongle-nobody-surprised/ | Alarm System Defeated By $2 Wireless Dongle, Nobody Surprised | Dan Maloney | [
"lockpicking hacks",
"Wireless Hacks"
] | [
"433 mhz",
"alarm",
"baofeng",
"dongle",
"jammer",
"jamming",
"security",
"SimpliSafe",
"wireless"
] | It seems a bit unfair to pile on a product that has already been roundly criticized for its security vulnerabilities. But when that product is a device that is ostensibly deployed to keep one’s family and belongings safe, it’s plenty fair. And when that device is
an alarm system that can be defeated by a two-dollar wir... | 83 | 18 | [
{
"comment_id": "6174204",
"author": "bty",
"timestamp": "2019-08-23T12:47:35",
"content": "Should be an easy fix for the door sensor to send the door was opened as soon as the communication is restored.. provided it’s 2 way communication and the door sensor knows it’s being received by the base sta... | 1,760,373,793.122462 | ||
https://hackaday.com/2019/08/23/when-toothbrushes-typewriters-and-credit-card-machines-form-a-band/ | When Toothbrushes, Typewriters, And Credit Card Machines Form A Band | Roger Cheng | [
"Musical Hacks"
] | [
"diy instrument",
"electric toothbrush",
"Electric Typewriter",
"hacked receipt printer",
"instrument",
"musical instrument",
"musical instruments",
"receipt printer"
] | Many everyday objects make some noise as a side effect of their day job, so some of us would hack them into music instruments that can play a song or two. It’s fun, but it’s been done. YouTube channel [
Device Orchestra
] goes far beyond a device buzzing out a tune – they are full fledged singing (and dancing!) perform... | 5 | 5 | [
{
"comment_id": "6174196",
"author": "Milo",
"timestamp": "2019-08-23T12:18:13",
"content": "Hahaha. I’m usually not that fussed about this sort of thing but, this, is, Amazing!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174232",
"author": "Joel B",
... | 1,760,373,793.163625 | ||
https://hackaday.com/2019/08/22/__trashed-3/ | Easy Direction Finding Thanks To Quad SDRs | Lewin Day | [
"Radio Hacks"
] | [
"df",
"direction finding",
"KerberosSDR"
] | Direction finding has long been a pastime of the ham radio community. Fox hunts and other DF events have entertained many, as they swept their antennas hunting for a transmitter. As with rock and roll and flared pants, time changes all things, and [Corrosive] has been experimenting with
a very modern way to go about di... | 7 | 1 | [
{
"comment_id": "6174202",
"author": "bty",
"timestamp": "2019-08-23T12:36:03",
"content": "I didn’t watch the video, but i imagine one first needs to “time-sync” the different modules on a known signal or something ? Anyone know how this is done ?",
"parent_id": null,
"depth": 1,
"repli... | 1,760,373,793.342279 | ||
https://hackaday.com/2019/08/22/qt-arrives-for-small-computers/ | Qt Arrives For Small Computers | Al Williams | [
"Microcontrollers"
] | [
"embedded",
"gui",
"qt"
] | There was a time when writing embedded systems meant never having to deal with graphical user interfaces, and spending long hours trying to free up a dozen bytes of ROM to add a feature. Nowadays, an embedded system is likely to have a screen and what would have been a huge amount of memory even for a PC a scant decade... | 26 | 14 | [
{
"comment_id": "6174106",
"author": "jcwren",
"timestamp": "2019-08-23T02:10:42",
"content": "Is this a royal “we” you’re using?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174108",
"author": "N",
"timestamp": "2019-08-23T02:35:32",
... | 1,760,373,793.298594 | ||
https://hackaday.com/2019/08/22/temperature-logging-on-the-last-frontier/ | Temperature Logging On The Last Frontier | Kristina Panos | [
"Microcontrollers"
] | [
"Adafruit Feather",
"Alaska",
"food cache",
"temperature logging",
"temperature monitoring"
] | In Alaska, the impact of climate change is easy to see. Already the melting permafrost is shifting foundations and rocking roads. Hotter summers are also turning food caches from refrigerators into ovens.
A permanent food cache. Via
Wikipedia
[rabbitcreek]’s friend builds food caches with kids as part of a program to t... | 36 | 14 | [
{
"comment_id": "6174076",
"author": "OL",
"timestamp": "2019-08-22T23:30:14",
"content": "Have I missed something? There are a number of penetrations (around the bolts) that are inside the o-ring. surely this makes the o-ring a waste of time. I am interested in making waterproof enclosures but I s... | 1,760,373,793.238846 | ||
https://hackaday.com/2019/08/22/ubabot-mixes-up-50-cocktails-to-quench-cccamp-thirst/ | UbaBOT Mixes Up 50 Cocktails To Quench CCCamp Thirst | Mike Szczys | [
"cons",
"cooking hacks",
"Robots Hacks"
] | [
"barbot",
"bartendro",
"cccamp",
"CCCamp2019",
"UbaBOT"
] | [Steffen Pfiffner’s] tent during the Chaos Communication Camp is full of happiness delivered by something greater than alcohol alone. He’s brought
a robot bartender that serves up a show while mixing up one of about 50 cocktail recipes
.
The project
is the work of five friends from Lake Constance (Bodensee) in southern... | 11 | 8 | [
{
"comment_id": "6174084",
"author": "mark",
"timestamp": "2019-08-22T23:44:53",
"content": "I wonder what would happen if you used a peristaltic pump on the carbonated beverages?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174117",
"author": "yo... | 1,760,373,793.538435 | ||
https://hackaday.com/2019/08/22/circuit-art-brings-out-the-lifelike-qualities-of-electricity/ | Circuit Art Brings Out The Lifelike Qualities Of Electricity | Erin Pinheiro | [
"Art",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"bird simulator",
"circuit art",
"Circuit Sculpture",
"electronic art"
] | Functional circuit sculptures have been gaining popularity with adventuring electronic artists who dare attempt the finicky art form of balancing structure and wire routing. [Kelly Heaton’s] sculptures however are on
a whole other creative level
.
Not only does she use the circuits powering her works as part of their p... | 2 | 2 | [
{
"comment_id": "6174046",
"author": "Ben",
"timestamp": "2019-08-22T19:27:50",
"content": "So this is what will be in parks once we drive everything to extinction. Pleasantly surprised.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6174127",
"author": "... | 1,760,373,793.486804 | ||
https://hackaday.com/2019/08/22/build-a-fungus-foraging-app-with-machine-learning/ | Build A Fungus Foraging App With Machine Learning | Pat Whetman | [
"computer hacks",
"how-to",
"News",
"Raspberry Pi",
"Software Development",
"Software Hacks"
] | [
"binary classification",
"fungi",
"machine learning",
"xgboost"
] | As the 2019 mushroom foraging season approaches it’s timely to combine my thirst for knowledge about low level machine learning (ML) with a popular pastime that we enjoy here where I live. Just for the record, I’m not an expert on ML, and I’m simply inviting readers to follow me back down some rabbit holes that I recen... | 42 | 14 | [
{
"comment_id": "6174021",
"author": "Arthur Wolf",
"timestamp": "2019-08-22T17:20:03",
"content": "Love your choice of mushroom for the picture :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6174086",
"author": "ziggurat29",
"timestamp": ... | 1,760,373,793.6675 | ||
https://hackaday.com/2019/08/22/looking-around-corners-with-f-k-migration/ | Looking Around Corners With F-K Migration | Maya Posch | [
"Laser Hacks",
"News",
"Science"
] | [
"laser imaging",
"nlos imaging",
"Stanford University"
] | The concept behind non-line-of-sight (NLOS) imaging seems fairly easy to grasp: a laser bounces photons off a surface that illuminate objects that are within in sight of that surface, but not of the imaging equipment. The photons that are then reflected or refracted by the hidden object make their way back to the laser... | 10 | 7 | [
{
"comment_id": "6173999",
"author": "jiog",
"timestamp": "2019-08-22T15:46:26",
"content": "Nothing new here. Polish Military University of Technology in Warsaw developed very similar technology for GROM unit back in 2007. AFAIK prototype devices were mounted on Rosomak BTRs and used by Polish Army... | 1,760,373,793.582863 | ||
https://hackaday.com/2019/08/22/rocket-lab-sets-their-sights-on-rapid-reusability/ | Rocket Lab Sets Their Sights On Rapid Reusability | Tom Nardi | [
"Current Events",
"Featured",
"Space"
] | [
"ballute",
"electron",
"Falcon 9",
"helicopter",
"orbital",
"parachute",
"reentry",
"reusable",
"Rocket Lab",
"SpaceX"
] | Not so very long ago, orbital rockets simply didn’t get reused. After their propellants were expended on the journey to orbit, they petered out and fell back down into the ocean where they were obliterated on impact. Rockets were disposable because, as far as anyone could tell, building another one was cheaper and easi... | 24 | 12 | [
{
"comment_id": "6173988",
"author": "Tammy",
"timestamp": "2019-08-22T14:50:20",
"content": "Grabbing a falling thing coming back to earth isn’t a conceptually new thing. We did it in the 1960s with the film return capsules from the Corona spy satellite . Granted, these were probably smaller than t... | 1,760,373,793.741182 | ||
https://hackaday.com/2019/08/22/returning-digital-watches-to-the-analog-age-enter-the-charliewatch/ | Returning Digital Watches To The Analog Age: Enter The Charliewatch | Maya Posch | [
"Microcontrollers",
"Wearable Hacks"
] | [
"charlieplexing",
"charliewatch",
"Goodwatch",
"msp430",
"watches"
] | The
Charliewatch
by [Trammell Hudson] is one of those projects which is
beautiful in both design
and simplicity. After seeing [Travis Goodspeed]’s GoodWatch21 digital watch project based around a Texas Instruments MSP430-based SoC, [Trammell] decided that it’d be neat if it was more analog. This is accomplished using t... | 28 | 8 | [
{
"comment_id": "6173940",
"author": "Tweepy",
"timestamp": "2019-08-22T11:28:10",
"content": "Very nice project, and the schematic looks very neat, great job. Find an existing cheap watch case and use it, the finish would be way cooler than 3D printed.But I’m very doubtful about these sentences:“LE... | 1,760,373,794.549856 | ||
https://hackaday.com/2019/08/22/electric-dump-truck-produces-more-energy-than-it-uses/ | Electric Dump Truck Produces More Energy Than It Uses | Bryan Cockfield | [
"Transportation Hacks"
] | [
"battery",
"dump truck",
"electric",
"energy",
"mine",
"regenerative braking",
"vehicle"
] | Electric vehicles are everywhere now. It’s more than just Leafs, Teslas, and a wide variety of electric bikes. It’s also trains, busses, and in this case, gigantic dump trucks.
This truck in particular
is being put to work at a mine in Switzerland, and as a consequence of having an electric drivetrain is actually able ... | 77 | 20 | [
{
"comment_id": "6173902",
"author": "Julian Silden Langlo",
"timestamp": "2019-08-22T08:05:08",
"content": "I wonder how they’re getting rid of the surplus power. Maybe they dump it back into the grid, but I think it’s more likely that they just have a big heating coil or something like that.",
... | 1,760,373,793.851242 | ||
https://hackaday.com/2019/08/21/a-cheap-and-cheerful-geiger-counter-build/ | A Cheap And Cheerful Geiger Counter Build | Lewin Day | [
"Science"
] | [
"geiger",
"geiger counter",
"radiation",
"radiation monitoring"
] | Hackers often have broad interests across the sciences, of which nuclear topics are no exception. The Geiger counter remains a popular build, and could be a handy tool to have in a time of rising tensions between nuclear powers. [Leonora Tindall] had tinkered with basic units, but wanted a better idea of actual radiati... | 10 | 4 | [
{
"comment_id": "6173898",
"author": "Cyk",
"timestamp": "2019-08-22T07:19:08",
"content": "Why do so many Geiger counter designs use an unregulated 555 for generating the high voltage?If you have a microcontroller, it’s very easy to use it to drive the transistor of the boost converter, and regulat... | 1,760,373,793.979263 | ||
https://hackaday.com/2019/08/21/largest-chip-ever-holds-1-2-trillion-transistors/ | Largest Chip Ever Holds 1.2 Trillion Transistors | Al Williams | [
"News"
] | [
"ai",
"chip",
"deep learning",
"ic",
"neural network",
"wafer scale integration"
] | We get it, press releases are full of hyperbole. Cerebras recently announced they’ve built the
largest chip ever
. The chip has
400,000 cores
and contains 1.2 trillion transistors on a die over 46,000 square mm in area. That’s roughly the same as a square about 8.5 inches on each side. But honestly, the WSE — Wafer Sca... | 49 | 20 | [
{
"comment_id": "6173861",
"author": "allen r richter",
"timestamp": "2019-08-22T02:29:31",
"content": "Also pulls something like 15kw",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173863",
"author": "Ralph Doncaster (Nerd Ralph)",
"timestamp": "2019... | 1,760,373,794.063204 | ||
https://hackaday.com/2019/08/20/echos-of-the-cold-war-nuclear-powered-missiles-have-been-tried-before/ | Echos Of The Cold War: Nuclear-Powered Missiles Have Been Tried Before | Tom Nardi | [
"Current Events",
"Featured",
"History",
"Original Art",
"Slider",
"Weapons Hacks"
] | [
"heat exchanger",
"liquid cooling",
"Nuclear Reactor",
"nuclear weapon",
"radiation",
"ramjet",
"Rosatom",
"russia",
"Skyfall",
"Soviet Union"
] | On August 8th, an experimental nuclear device exploded at a military test facility in Nyonoksa, Russia. Thirty kilometers away, radiation levels in the city of Severodvinsk reportedly peaked at twenty times normal levels for the span of a few hours. Rumors began circulating about the severity of the event, and conflict... | 63 | 14 | [
{
"comment_id": "6173475",
"author": "Dave",
"timestamp": "2019-08-20T14:33:01",
"content": "Radioactive Iodine has been detected in Norway. That, almost certainly, indicates a reactor breach (given that there was no nuclear explosion).https://www.zerohedge.com/news/2019-08-15/norway-detects-radiat... | 1,760,373,797.7622 | ||
https://hackaday.com/2019/08/20/putting-the-coanda-effect-to-work-on-a-quadcopter/ | Putting The Coanda Effect To Work On A Quadcopter | Lewin Day | [
"drone hacks"
] | [
"coanda effect",
"drone"
] | The Coanda effect is an aerodynamic principle regarding the way fluids tend to flow along curved surfaces. This can be used to direct a flow,
and [Tom Stanton] wanted to try out its application on a quadcopter.
(Video embedded below.)
The project began by firing up the 3D printer, which made experimenting with a variet... | 40 | 16 | [
{
"comment_id": "6173443",
"author": "yetihehe",
"timestamp": "2019-08-20T11:14:30",
"content": "Wanted to make something like this sometime ago, but with one big impeller and vectored thrust with flaps on sides. The biggest problem here is that those domes and impellers are many times heavier than ... | 1,760,373,797.524941 | ||
https://hackaday.com/2019/08/20/game-on-with-these-open-source-arduino-buzzers/ | Game On With These Open Source Arduino Buzzers | Tom Nardi | [
"Arduino Hacks",
"Games"
] | [
"arduino pro mini",
"buzzer",
"nRF24L01+",
"PowerBoost",
"quiz buzzer"
] | Planning a game of Hacker Jeopardy at your next meetup? You’re going to want some proper buzzers to complete the experience, but why buy when you can build?
[Flute Systems] has released an open source DIY game buzzer
system based on the Arduino that will help instantly elevate your game. Certainly beats just yelling ac... | 20 | 9 | [
{
"comment_id": "6173424",
"author": "Daid",
"timestamp": "2019-08-20T08:44:49",
"content": "This really needs bigger buttons:http://www.arcadeshop.de/Illum-Buttons-Jumbo-Dome-Button-98-mm-red_505.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173440",... | 1,760,373,798.044785 | ||
https://hackaday.com/2019/08/19/fail-of-the-week-how-not-to-light-pipe/ | Fail Of The Week: How Not To Light Pipe | Dan Maloney | [
"Fail of the Week"
] | [
"badgelife",
"fail of the week",
"fr4",
"led",
"light pipe",
"non-plated",
"oreo construction",
"through hole",
"via"
] | You’d think that something made out of glass and epoxy would transmit a decent amount of light. Unfortunately for [Jeremy Ruhland], it turns out that
FR4 is not great light pipe material
, at least in one dimension.
The backstory on this has to do with #badgelife, where it has become popular to reverse mount SMD LEDs o... | 17 | 10 | [
{
"comment_id": "6173412",
"author": "420monkeymagic69",
"timestamp": "2019-08-20T05:56:24",
"content": "Seems obvious to me considering bare FR4 isn’t transparent?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173416",
"author": "Osgeld",
"timestamp... | 1,760,373,797.447466 | ||
https://hackaday.com/2019/08/19/a-friendly-reminder-that-you-might-be-in-danger/ | A Friendly Reminder That You Might Be In Danger | Tom Nardi | [
"Microcontrollers",
"Parts"
] | [
"CircuitPython",
"live feed",
"product recall",
"PyPortal"
] | Product recalls are one of those things that most people don’t pay attention to until things get
really
bad. If it’s serious enough for somebody to get hurt or even die, then the media will pick it up, but most of the time they simply pass by in silence. In fact, there’s a decent chance that you own a recalled product ... | 5 | 5 | [
{
"comment_id": "6173403",
"author": "jafinch78",
"timestamp": "2019-08-20T03:59:11",
"content": "Cute. Seems like this can be made into a product and marketed to maybe like stores regarding food and not just other stores. Then again, like… isn’t everything based around Costco? ;-|",
"parent_i... | 1,760,373,797.868918 | ||
https://hackaday.com/2019/08/19/diy-geiger-counter-is-sure-to-generate-clicks/ | DIY Geiger Counter Is Sure To Generate Clicks | Kristina Panos | [
"classic hacks",
"Microcontrollers"
] | [
"18650 cell",
"geiger counter",
"NodeMCU"
] | On the outside, a Geiger counter seems like a complicated thing. And you might think a device that detects a dangerous, mostly invisible threat like radiation
should
be complicated. But they’re actually pretty simple. The Geiger-Muller tube does most of the work, which boils down to detecting brief moments of conductiv... | 19 | 14 | [
{
"comment_id": "6173377",
"author": "Mechanicus",
"timestamp": "2019-08-19T23:11:21",
"content": "Now that’s a slick build. Love the tube orientation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173383",
"author": "tekkieneet",
"timestamp": "2019-... | 1,760,373,797.396687 | ||
https://hackaday.com/2019/08/19/old-chainsaw-repurposed-for-kitchen-use/ | Old Chainsaw Repurposed For Kitchen Use | Bryan Cockfield | [
"Tool Hacks"
] | [
"blender",
"chain",
"chainsaw",
"drive train",
"gasoline",
"kitchen",
"sprockets"
] | There are many ways to keep critical appliances running during a power outage. Maybe a UPS for a computer, a set of solar panels to charge your phone, or even a generator to keep your refrigerator or air conditioning working.
This modification to a standard blender
will also let you ride through a power outage while st... | 17 | 8 | [
{
"comment_id": "6173345",
"author": "steve",
"timestamp": "2019-08-19T20:05:50",
"content": "This reminds me of the open headers Hemi engine I once saw mixing margaritas… where was that?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173356",
"auth... | 1,760,373,797.577005 | ||
https://hackaday.com/2019/08/21/automatic-rewinder-makes-kite-retrieval-a-breeze/ | Automatic Rewinder Makes Kite Retrieval A Breeze | Dan Maloney | [
"Misc Hacks"
] | [
"filament",
"flying",
"kite",
"line",
"reel",
"reversing screw",
"screw",
"string"
] | So you’ve built a fine kite, taken it to the beach, and let it ride the wind aloft on a spool of line. Eventually it has to come down, and the process of reeling all that line that was so easily paid out is likely a bigger chore than you care to face. What to do?
If you’re like [Matt Bilsky], the answer is simple: buil... | 27 | 17 | [
{
"comment_id": "6173837",
"author": "Thomas",
"timestamp": "2019-08-21T23:16:15",
"content": "Nicely done project.TLDR: Twenty years ago a boy makes a sketchy kite string “puller-inner” using a toy motor. Fast forward to present day and he builds a much better one. It winds kite string like a boss... | 1,760,373,797.9338 | ||
https://hackaday.com/2019/08/21/russian-robot-to-visit-space-station/ | Russian Robot To Visit Space Station | Al Williams | [
"News",
"Space"
] | [
"FEDOR",
"international space station",
"iss",
"robot",
"roscosmos",
"skybot",
"space",
"space station"
] | The Russians were the first to send a dog into space, the first to send a man, and the first to send a woman. However, NASA sent the first humanoid robot to the International Space Station. The Russians, though, want to send
FEDOR
and proclaim that while Robonaut flew as cargo, a FEDOR model — Skybot F-850 — will fly t... | 23 | 10 | [
{
"comment_id": "6173804",
"author": "BrightBlueJim",
"timestamp": "2019-08-21T20:54:33",
"content": "Oh wow! It can self balance! Oh – that’s not really useful in a microgravity environment.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173816",
"auth... | 1,760,373,797.820696 | ||
https://hackaday.com/2019/08/21/the-badgies-clever-crazy-and-creative-ideas-in-electronic-design/ | The Badgies: Clever, Crazy, And Creative Ideas In Electronic Design | Mike Szczys | [
"cons",
"Hackaday Columns",
"Roundup"
] | [
"Badgies",
"car hacking village",
"dc503",
"DEF CON",
"defcon 27",
"Frankenbadge",
"nixie tubes",
"SecKC",
"whiskey pirates"
] | Engineering creativity comes to life when you have to design around a set of constraints. We can do just about anything with enough time, talent, and treasure, but what can you do when shackled with limitations? Some of the most creative electronic manufacturing tricks spring to life when designing conference badges, a... | 1 | 1 | [
{
"comment_id": "6173775",
"author": "true",
"timestamp": "2019-08-21T17:44:41",
"content": "A few minor corrections on Space Force:– “no traces on the top layer” to “few, carefully placed traces on the top layer” – they are more obvious on the common red and blue badges– The “mis-used right angle s... | 1,760,373,797.982258 | ||
https://hackaday.com/2019/08/21/hello-a-mini-badge-for-cccamp/ | Hello: A Mini Badge For CCCamp | Jenny List | [
"cons",
"hardware"
] | [
"badge",
"badgelife",
"cccamp",
"LPC1115",
"oled",
"serial terminal",
"zmodem"
] | Badgelife culture is our community’s very own art form, with a plethora of designs coming forth featuring stunning artwork, impressive hardware, and clever software tricks. But sometimes a badge doesn’t need a brace of LEDs or a meme-inspired appearance to be a success, it just needs to be very good at what it does.
A ... | 1 | 1 | [
{
"comment_id": "6173755",
"author": "steve",
"timestamp": "2019-08-21T16:31:29",
"content": "looks like the kk2.1 flight controller layout",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,798.11707 | ||
https://hackaday.com/2019/08/21/fantastic-micrometeorites-and-where-to-find-them/ | Fantastic Micrometeorites And Where To Find Them | Lewin Day | [
"Featured",
"Science",
"Space"
] | [
"meteor",
"meteor shower",
"meteorite",
"meteoroid",
"micrometeorite",
"science"
] | Space is very much the final frontier for humanity, at least as far as our current understanding of the universe takes us. Only a handful of countries and corporations on Earth have the hardware to readily get there, and even fewer are capable of reaching orbit. For these reasons, working in this field can seem out of ... | 29 | 7 | [
{
"comment_id": "6173718",
"author": "dynamodan",
"timestamp": "2019-08-21T14:13:42",
"content": "One thing I’ve wondered about is how much iron could be mined this way. The fact that most of the iron wasn’t from space need not detract.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,798.204448 | ||
https://hackaday.com/2019/08/21/launching-a-custom-kerbal-panel/ | Launching A Custom Kerbal Panel | Kristina Panos | [
"Arduino Hacks"
] | [
"Arduino DUE",
"kerbal",
"kerbal space program",
"ksp"
] | [Matthew Peverill] is a busy PhD student who loves to make time for a little Kerbal Space Program. He was tired of using such pedestrian controls as a keyboard and mouse for such important work, and wanted something a little more like they have down in Houston.
For this project, he’s focusing on the inputs more than an... | 14 | 7 | [
{
"comment_id": "6173694",
"author": "datacarrierdetect",
"timestamp": "2019-08-21T12:12:05",
"content": "Lovely! But, oh boy, don’t you wish those HTTM capacitive touch switches were assembled with better precision? You just can’t put them on a grid by soldering the pins because they are assembled ... | 1,760,373,798.832854 | ||
https://hackaday.com/2019/08/21/sushi-roll-helps-inspect-your-cpu-internals/ | Sushi Roll Helps Inspect Your CPU Internals | Al Williams | [
"computer hacks"
] | [
"cache",
"CPU architecture",
"intel",
"pentium",
"speculative execution"
] | [Gamozolabs’] post about
Sushi Roll
— a research kernel for monitoring Intel CPU internals — is pretty long. While we were disappointed at the end that the kernel’s source is not exactly available due to “sensitive features”, we were so impressed with the description of the modern x86 architecture and some of the work ... | 8 | 5 | [
{
"comment_id": "6173687",
"author": "BT",
"timestamp": "2019-08-21T11:15:05",
"content": "Very informative, thank you, just what I needed to “catch up” with how 80×86 has developed over the years.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173712",
"... | 1,760,373,798.930433 | ||
https://hackaday.com/2019/08/20/rocket-jacket-looks-sharp-for-cccamp-2019/ | Rocket Jacket Looks Sharp For CCCamp 2019 | Lewin Day | [
"Wearable Hacks"
] | [
"jacket",
"wearable",
"ws2818b"
] | Making your own clothing can be fun, but it’s even better if you can throw some LEDs into the mix and give a new meaning to the term “glow up”.
[arturo182] did just that with this custom rocket jacket for CCCamp2019.
We’re getting kind of a stained-glass vibe here.
To create the jacket, a 3D printed frame was created i... | 2 | 2 | [
{
"comment_id": "6173760",
"author": "MattyD",
"timestamp": "2019-08-21T16:38:26",
"content": "I was going to say maybe use some EL wire #Automan #Tron",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173811",
"author": "Hirudinea",
"timestamp": "2019-0... | 1,760,373,799.429122 | ||
https://hackaday.com/2019/08/20/dirty-tricks-for-6502-programming/ | Dirty Tricks For 6502 Programming | Al Williams | [
"Retrocomputing",
"Software Development",
"Software Hacks"
] | [
"6502",
"assembly language",
"commodore 64",
"optimization"
] | We know the 6502 isn’t exactly the CPU of choice for today’s high-performance software, but with the little CPU having appeared in so many classic computers — the Apple, the KIM-1, The Commodores, to name a few — we have a real soft spot for it. [Janne] has a post detailing the eight best entries in the
Commodore 64 co... | 30 | 7 | [
{
"comment_id": "6173633",
"author": "paul",
"timestamp": "2019-08-21T03:28:49",
"content": "Reading about small programs reminds me of the smallest program I’ve ever used.It was for x86 / dos and it waited for a key input and returned the key as the error level.It’s intended use was to enhance batc... | 1,760,373,798.998252 | ||
https://hackaday.com/2019/08/20/get-ready-for-games-night-with-3d-catan/ | Get Ready For Games Night With 3D Catan | Lewin Day | [
"Misc Hacks"
] | [
"boardgame",
"settlers of catan",
"Tabletop"
] | Settlers of Catan
is a staple for boardgaming aficionados. Some fans like to express themselves by building a custom set of their own, and [Maclsk] is no different.
Enter 3D Catan!
The models for the various pieces were designed in
Blender
, a great open source 3D modelling program. They were then printed on an Anycubi... | 13 | 5 | [
{
"comment_id": "6173617",
"author": "Joe",
"timestamp": "2019-08-21T00:27:01",
"content": "I was expecting actual 3d catan like 3d chess. Spock would be disappointed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173626",
"author": "codeToad",
... | 1,760,373,798.88874 | ||
https://hackaday.com/2019/08/20/a-range-extended-electric-van/ | A Range-Extended Electric Van | Bryan Cockfield | [
"Transportation Hacks"
] | [
"battery",
"car",
"e-nv200",
"electric",
"Leaf",
"nissan",
"nv200",
"transportation",
"van"
] | The only thing limiting the range on any electric vehicle isn’t really battery technology, but cost. Customers don’t want to pay more money for an electric car or van that does essentially the same thing as one with an internal combustion engine. This in turn limits the amount of batteries manufacturers put in their ca... | 76 | 11 | [
{
"comment_id": "6173558",
"author": "AKA the A",
"timestamp": "2019-08-20T20:13:52",
"content": "Pretty sure that the Tsiolkovsky rocket equation would disagree about the range being limited only by cost…current batteries simply can’t store as much energy as hydrocarbon fuels, so when extending ran... | 1,760,373,799.388323 | ||
https://hackaday.com/2019/08/20/lithophanes-ditch-the-monochrome-with-a-color-layer/ | Lithophanes Ditch The Monochrome With A Color Layer | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"color",
"color layer",
"lithophane",
"MMU",
"multi-material",
"palette 2"
] | 3D printed lithophanes are great, if a bit monochromatic. [Thomas Brooks] (with help from [Jason Preuss]) changed all that with
a tool for creating color lithophanes
but there’s a catch: you’ll need a printer capable of creating multi-color prints to do it.
A video (embedded below) begins with an intro but walks throug... | 10 | 4 | [
{
"comment_id": "6173546",
"author": "Freddie Chopin",
"timestamp": "2019-08-20T18:44:07",
"content": "That’s epic. I think I’ll use this to etch a flowery pattern on my toilet seat. There’s only one worry, how to clean it once pieces of fecal matter get stuck in ridges? I hate when that happens eve... | 1,760,373,799.095014 | ||
https://hackaday.com/2019/08/20/circuit-vr-advanced-falstad-logic-with-geniac/ | Circuit VR: Advanced Falstad Logic With Geniac | Al Williams | [
"Skills"
] | [
"falstad",
"geniac",
"logic",
"relay logic",
"retrocomputing",
"simulation",
"switch logic"
] | I find that if I’m trying to make a point with a student or a colleague about a circuit, sometimes the Falstad online simulator is worth a few thousand words. You can draw the circuit, play with the values, and even see the current flow in an intuitive way as well as make traditional measurements. The simulator not onl... | 2 | 2 | [
{
"comment_id": "6173531",
"author": "Pez",
"timestamp": "2019-08-20T17:29:52",
"content": "That is awesome .. I love the Falstad simulator and have used it in the past to build simulations for educational purposes.One particularly memorable “build” was to create an approximate model of a 4558 op am... | 1,760,373,799.047261 | ||
https://hackaday.com/2019/08/20/behold-the-crimson-axlefcker-do-not-insert-finger/ | Behold The Crimson Axlef*cker (Do Not Insert Finger) | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"2020",
"3d printed",
"gearbox",
"ODrive",
"prototype"
] | Are your aluminum extrusions too straight? The Crimson Axlef*cker can help you out. It’s a remarkable 3D printed, 4-stage, 125:1 reduction gearbox driven by a brushless motor. Designer [jlittle988] decided to test an early prototype to destruction and while he was expecting
something
to break, he didn’t expect it to tw... | 21 | 15 | [
{
"comment_id": "6173490",
"author": "GameboyRMH",
"timestamp": "2019-08-20T15:56:02",
"content": "LOL great name! And impressive torque!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6173493",
"author": "ThisGuy",
"timestamp": "2019-08-20T16:12:46",
... | 1,760,373,799.161601 | ||
https://hackaday.com/2019/08/19/tiny-two-legged-pcb-robot/ | Tiny Two-Legged PCB Robot | Sharon Lin | [
"3d Printer hacks",
"Robots Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"3d printing",
"flexible PCB",
"robot"
] | YouTuber and electronics engineer [Carl Bugeja] has a knack for finding creative uses for flexible PCBs. For the past year, he has been experimenting with PCB motors, using them on drones, robot fish, and most recently swarm robots. This is
his final video in the vibro-bot series
, and he’s got his best results to date... | 3 | 3 | [
{
"comment_id": "6173350",
"author": "ChrisMicro",
"timestamp": "2019-08-19T20:33:59",
"content": "There are some theoretical papers on how a bristle bot moves:https://arxiv.org/pdf/1702.00343.pdfProbably it is the best to think about the forces and friction which is necessary to move the robot. The... | 1,760,373,799.202264 | ||
https://hackaday.com/2019/08/19/milspec-teardown-id-2124-howitzer-data-display/ | Milspec Teardown: ID-2124 Howitzer Data Display | Tom Nardi | [
"Hackaday Columns",
"Teardown",
"Weapons Hacks"
] | [
"1980's",
"artillery",
"data display",
"elevation",
"led",
"military",
"Milspec",
"protocol"
] | It’s time once again for another installment in “Milspec Teardown”, where we get to see what Uncle Sam spends all those defense dollars on. Battle hardened pieces of kit are always a fascinating look at what can be accomplished if money is truly no object. When engineers are given a list of requirements and effectively... | 29 | 16 | [
{
"comment_id": "6173308",
"author": "Nathan Piper",
"timestamp": "2019-08-19T18:17:02",
"content": "Given the Cold War pedigree I would suspect the thermally coupled resistors could be for heating rather than temperature detection.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,799.598575 | ||
https://hackaday.com/2019/08/19/life-at-jpl-hack-chat/ | Life At JPL Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"exploration",
"Jet Propulsion Laboratory",
"jpl",
"Jupiter",
"mars",
"nasa",
"rover",
"satellite",
"space",
"The Hack Chat"
] | Join us on Wednesday, August 21st at noon Pacific for the
Life at JPL Hack Chat
with
Arko
!
There’s a reason why people use “rocket science” as a metaphor for things that are hard to do. Getting stuff from here to there when
there
is a billion miles away and across a hostile environment of freezing cold, searing heat, ... | 6 | 3 | [
{
"comment_id": "6173286",
"author": "Ostracus",
"timestamp": "2019-08-19T16:57:35",
"content": "” Getting stuff from here to there when there is a billion miles away and across a hostile environment of freezing cold, searing heat, and pelting radiation isn’t something that’s easily accomplished.”I’... | 1,760,373,799.687134 | ||
https://hackaday.com/2019/08/19/diy-gimbal-for-the-raspberry-pi-camera/ | DIY Gimbal For The Raspberry Pi Camera | Lewin Day | [
"Raspberry Pi"
] | [
"gimbal",
"raspberry pi"
] | If one wants a stabilized video feed from a drone, a gimbal setup is the way to go. However, the cheaper offerings are all rather similar, suited to a certain size and type of drone. [Jean] was building a smaller craft,
so set out to create his own design specifically fit for purpose.
The build begins in the CAD suite,... | 3 | 3 | [
{
"comment_id": "6173293",
"author": "qwert",
"timestamp": "2019-08-19T17:27:40",
"content": "Neat! Works pretty well. Just like a chicken. Love that bodge of ad-hoc battery connectors over there—looks familiar. It happens to the best of us.",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,373,799.640035 | ||
https://hackaday.com/2019/08/19/apollos-plss-and-the-science-of-keeping-humans-alive-in-space/ | Apollo’s PLSS And The Science Of Keeping Humans Alive In Space | Maya Posch | [
"Featured",
"History",
"Science",
"Slider",
"Space"
] | [
"apollo",
"laika",
"nasa",
"plss",
"space",
"space race"
] | Ever since humans came up with the bright idea to explore parts of the Earth which were significantly less hospitable to human life than the plains of Africa where humankind evolved, there’s been a constant pressure to better protect ourselves against the elements to keep our bodies comfortable. Those first tests of a ... | 13 | 7 | [
{
"comment_id": "6173275",
"author": "Bunsen",
"timestamp": "2019-08-19T15:27:15",
"content": "I never realized how deeply the difference between subscripts and superscripts could bother me.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173277",
"a... | 1,760,373,799.822049 | ||
https://hackaday.com/2019/08/19/warshipping-a-free-raspberry-pi-in-the-mail-is-not-always-a-welcome-gift/ | Warshipping: A Free Raspberry Pi In The Mail Is Not Always A Welcome Gift | Roger Cheng | [
"Cellphone Hacks",
"Wireless Hacks"
] | [
"gps",
"hack",
"ibm",
"network security",
"wardriving",
"warshipping",
"wifi sniffing",
"wireless sniffing"
] | Leading edge computer security is veiled in secrecy — a world where novel attacks are sprung on those who do not yet know what they need to protect against. Once certain tactics have played out within cool kids’ circles, they are introduced to the rest of the world. An IBM red team presented
what they’re calling “warsh... | 39 | 15 | [
{
"comment_id": "6173224",
"author": "mb",
"timestamp": "2019-08-19T11:10:58",
"content": "I could swear I saw this in an episode of Leverage.Here it is: Season Two, the Top Hat Job.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173325",
"author": ... | 1,760,373,799.762901 | ||
https://hackaday.com/2019/08/19/the-thermochromic-display-you-didnt-know-you-needed/ | The Thermochromic Display You Didn’t Know You Needed | Tom Nardi | [
"chemistry hacks",
"Science"
] | [
"environmental sensor",
"liquid crystal",
"peltier unit",
"thermochromic"
] | We love unique ways of displaying data here at Hackaday, and this ingenious thermochromic display created by [Moritz v. Sivers] more than fits the bill. Using sheets of color changing liquid crystals and careful temperature control of the plates they’re mounted on, he’s built
a giant seven-segment display that can colo... | 8 | 3 | [
{
"comment_id": "6173216",
"author": "svofski",
"timestamp": "2019-08-19T09:38:23",
"content": "These things are super cool and fascinate me since childhood but I don’t remember many applications for them.– Medical thermometers. They wouldn’t tell the exact temperature, but fine for quick screening ... | 1,760,373,799.872854 | ||
https://hackaday.com/2019/08/18/midi-controller-in-a-concertina-looks-sea-shanty-ready/ | MIDI Controller In A Concertina Looks Sea Shanty-Ready | Dan Maloney | [
"Musical Hacks"
] | [
"bellows",
"Bluefeather",
"bluetooth LE",
"concertina",
"midi",
"MIDI over Bluetooth",
"pressure sensor",
"reed"
] | Did you know that the English concertina, that hand-pumped bellows instrument favored by sailors both legitimate and piratical in the Age of Sail, was invented by none other than [Sir Charles Wheatstone]? We didn’t, but [Dave Ehnebuske] knew that the venerable English gentleman was tickling the keys of his instrument n... | 5 | 4 | [
{
"comment_id": "6173276",
"author": "Shannon",
"timestamp": "2019-08-19T15:35:29",
"content": "Cool, I like these midi hacks, especially where they allow for realistic dynamics as though playing a real instrument.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,373,799.945926 | ||
https://hackaday.com/2019/08/18/exploring-the-science-behind-dirty-air-filters/ | Exploring The Science Behind Dirty Air Filters | Tom Nardi | [
"green hacks",
"home hacks"
] | [
"air conditioning",
"air filter",
"air pressure",
"energy efficiency",
"hvac"
] | Obviously, if the air filters in your home HVAC system are dirty, you should change them. But exactly how dirty is
dirty
? [Tim Rightnour] had heard it said that if you didn’t change your filter every month or so, it could have a detrimental effect on the system’s energy consumption. Thinking that sounded suspiciously ... | 34 | 17 | [
{
"comment_id": "6173163",
"author": "GlobalApathy",
"timestamp": "2019-08-19T02:18:43",
"content": "Dirty filters can cause reduced efficiency in cooling, meaning the system will run longer to cool or heat because of the reduced volume of airflow. Reducing the air flow enough will cause the coil t... | 1,760,373,800.103057 | ||
https://hackaday.com/2019/08/18/hackaday-links-august-18-2019/ | Hackaday Links: August 18, 2019 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"EAS",
"emergency alert system",
"exoskeleton",
"exosuit",
"fcc",
"land mobile radio",
"solar roadways"
] | To the surprise of nobody with the slightest bit of technical intuition or just plain common sense,
the world’s first solar roadway has proven to be a complete failure
. The road, covering one lane and stretching all of 1,000 meters across the Normandy countryside, was installed in 2016 to great fanfare and with the go... | 28 | 10 | [
{
"comment_id": "6173130",
"author": "Hirudinea",
"timestamp": "2019-08-18T23:24:39",
"content": "” In tests the exoshorts resulted in a 9% decrease in the amount of effort needed to walk; that might not sound like much, but a soldier walking 9% further on the same number of input calories or carryi... | 1,760,373,800.020914 | ||
https://hackaday.com/2019/08/18/suntracker-optimizes-solar-panels-while-visualizing-suns-path/ | Suntracker Optimizes Solar Panels While Visualizing Sun’s Path | Kristina Panos | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"Arduino MKRZero",
"solar tracker",
"solar tracking"
] | If you have solar panels, you want soak up as much sunshine as you can to get your money’s worth. If you don’t have space for a lot of panels, the next best thing is repositioning the panels to catch the most rays. For his entry into the Hackaday Prize, [Frank] built
a gorgeous solar tracker prototype
to both validate ... | 31 | 11 | [
{
"comment_id": "6173114",
"author": "tz",
"timestamp": "2019-08-18T20:37:45",
"content": "So you can’t just go outside and see where the sun is?have the panels on an axis/rotor pointed at the north star that rotates every 23:56. Then shift them at an angle at that shaft that goes up or down depend... | 1,760,373,800.180365 | ||
https://hackaday.com/2019/08/18/an-all-in-one-conference-video-streaming-box/ | An All-In-One Conference Video Streaming Box | Jenny List | [
"Video Hacks"
] | [
"cons",
"streaming",
"video"
] | When running a hacker camp or other event, one of the many challenges faced by the organisers concerns the production and distribution of event videos. As the talks are recorded they must be put online, and with a load of talks to be processed it quickly becomes impractical to upload them one by one through a web inter... | 0 | 0 | [] | 1,760,373,800.218415 | ||
https://hackaday.com/2019/08/18/turning-scrap-metal-into-something-to-work-with/ | Turning Scrap Metal Into Something To Work With | Jenny List | [
"how-to"
] | [
"aristotle furnace",
"furnace",
"iron"
] | Blacksmiths will frequently work to a customer’s commission, and sometimes those commissions can be somewhat unusual. [Copperrein] had just such a piece of work come his way, a ceremonial sword to be made from a supplied collection of iron and steel items. To render them into something useful he had to melt them togeth... | 19 | 7 | [
{
"comment_id": "6173085",
"author": "Leithoa",
"timestamp": "2019-08-18T16:42:08",
"content": "3rd paragraph, 3rd line “huge wrought-iton bolt,” shouldn’t that be wrought-iron?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173174",
"author": "Andr... | 1,760,373,800.424282 | ||
https://hackaday.com/2019/08/18/ardurover-boat-uses-to-float/ | ArduRover Boat Uses Tub To Float | Ben James | [
"Robots Hacks"
] | [
"ardupilot",
"ardurover",
"autonomous",
"boat",
"rctestflight"
] | There’s nothing quite like the sight of a plastic box merrily sailing its way around a lake to symbolise how easy it is to get started in autonomous robotics. This isn’t a project we’re writing about because of technical excellence, but purely because watching
an autonomous plastic box navigate a lake by itself
is surp... | 16 | 9 | [
{
"comment_id": "6173056",
"author": "Mark Mullin",
"timestamp": "2019-08-18T12:15:33",
"content": "Learned from a firm doing bigger commercial autonomous marine vessels that the proper name for these is *roboats* . :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,373,800.282281 | ||
https://hackaday.com/2019/08/18/adding-a-co-processor-to-help-snes-games-with-slowdown/ | Adding A Co-Processor To Help SNES Games With Slowdown | Erin Pinheiro | [
"Games",
"Nintendo Hacks"
] | [
"coprocessor",
"retro gaming",
"snes",
"super nintendo",
"video games"
] | The Super Nintendo port of Gradius III is notable for being close to the arcade original, with its large, bright and colorful graphics. However, due to the limitation of the console’s hardware, the port is also well known for having constant slowdowns during gameplay, particularly during later sections. [Vitor] hacked ... | 3 | 3 | [
{
"comment_id": "6173063",
"author": "Sjaak",
"timestamp": "2019-08-18T12:54:18",
"content": "love to see that the SNES still got attention and there is still some development happening.Speaking of SNES: Someone got a link to download all the old cracktro’s and trainers? It seems most people prefer ... | 1,760,373,800.464109 | ||
https://hackaday.com/2019/08/17/great-artificial-daylight-via-broken-tvs/ | Great Artificial Daylight Via Broken TVs | Lewin Day | [
"LED Hacks"
] | [
"backlight",
"light"
] | [DIY Perks] has long been a fan of lights that accurately mimic real daylight. Often choosing high-quality LEDs for his projects, lately he’s taken a different tack –
using broken televisions to produce attractive home lighting solutions.
The hack involves removing the backlight from the damaged television or monitor. ... | 34 | 11 | [
{
"comment_id": "6173029",
"author": "mike",
"timestamp": "2019-08-18T05:28:02",
"content": "Poor mans grow light. And look out for that UV output.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6173039",
"author": "Dissy",
"timestamp": "2019... | 1,760,373,800.589491 | ||
https://hackaday.com/2019/08/17/enjoy-a-refreshing-beverage-with-the-chilled-drink-calculator/ | Enjoy A Refreshing Beverage With The Chilled Drink Calculator | Lewin Day | [
"Beer Hacks"
] | [
"beer",
"beverage",
"beverages"
] | Hackers are quite often the price conscious type, unwilling to pay jacked up prices for cold beverages when they can be purchased warm and in bulk for much lower cost. However, when guests are on the way and time is running out, it’s crucial to chill the drinks down to the right temperature, and fast. To take the guess... | 15 | 5 | [
{
"comment_id": "6173017",
"author": "Saabman",
"timestamp": "2019-08-18T02:16:21",
"content": "“your pals show up with a case of beer that’s been sitting in the sun all day in the back of a pickup truck “I read that line and almost puked at the thought….But at least he brought beer…..",
"parent... | 1,760,373,800.51737 | ||
https://hackaday.com/2019/08/17/square-laser-harp-is-hip/ | Square Laser Harp Is Hip | Kristina Panos | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"arduino mega",
"frickin' laser beams",
"laser harp",
"midi",
"rotary encoder"
] | You know, we hadn’t realized how tired we were of vertical laser harps until we saw [Jonathan Bumstead]’s entry into the 2019 Hackaday Prize. It’s all well and good to imitate the design of the inspiring instrument. But the neat thing about synths is that they aren’t confined to the physics of the acoustic instruments ... | 5 | 4 | [
{
"comment_id": "6173027",
"author": "crucialconflict",
"timestamp": "2019-08-18T03:36:56",
"content": "Very cool. It looks like this would be hard without some sort of haptic feedback (ie: from strings). Still very well made and executed.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,373,800.63025 | ||
https://hackaday.com/2019/08/17/sensor-lets-gestures-and-an-arduino-control-the-tunes/ | Sensor Lets Gestures And An Arduino Control The Tunes | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"gesture",
"PAJ7620"
] | Every time we watch Minority Report we want to make wild hand gestures at our computer — most of them polite. [Rootsaid] wanted to do the same and discovered that the PAJ7620 is an easy way
to read hand gestures
. The little sensor has a serial interface and can recognize quite a bit of hand waving. To be precise, the ... | 8 | 5 | [
{
"comment_id": "6173002",
"author": "Joaquín",
"timestamp": "2019-08-17T21:31:43",
"content": "I once did a study on which are the best gestures to control an alarm clock. In the end, I concluded that the best gestures were no gestures at all: tangible controls are better from the user perspective.... | 1,760,373,800.675417 | ||
https://hackaday.com/2019/08/17/nfc-business-cards-to-fpga-cubes-skull-badges-to-bandoliers-heres-the-hardware-from-breakfast-at-def-con/ | NFC Business Cards To FPGA Cubes, Skull Badges To Bandoliers, Here’s The Hardware From Breakfast At DEF CON | Mike Szczys | [
"cons",
"Featured"
] | [
"breakfast at def con",
"DEF CON",
"defcon 27",
"meetup"
] | We had our biggest Breakfast at DEF CON ever on Sunday. So big, in fact, that the carefully laid plans went awry immediately.
This is the fifth year we’ve hosted the event, which kicks off the final day of DEF CON with some hardware show-and-tell. We really thought we had it all figured out, since this time we actually... | 5 | 1 | [
{
"comment_id": "6172960",
"author": "Jan",
"timestamp": "2019-08-17T17:26:01",
"content": "I’m confused, the NFC business card, does it do anything with NFC other then light an LED?The C in NFC stand for communication, so does this business card actually has communicative capabilities?",
"pare... | 1,760,373,800.734755 | ||
https://hackaday.com/2019/08/17/midi-harp-looks-pretty-sharp/ | MIDI Harp Looks Pretty Sharp | Kristina Panos | [
"Arduino Hacks",
"Musical Hacks",
"Raspberry Pi"
] | [
"harp",
"midi",
"MIDI harp",
"pianoteq",
"strain gauge",
"zynthian"
] | [Julien] is one of those cool dads who shows his love with time invested rather than money spent. His daughter plays the harp, and you would not believe the price of concert harps. Even the cheap ones are several thousand USD.
So naturally, he decided he would build her a MIDI concert harp from the ground up
.
This plu... | 9 | 7 | [
{
"comment_id": "6172958",
"author": "Jan",
"timestamp": "2019-08-17T17:16:48",
"content": "impressive! Cool project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6172961",
"author": "st2000",
"timestamp": "2019-08-17T17:35:38",
"content": "Reall... | 1,760,373,800.822423 | ||
https://hackaday.com/2019/08/17/a-custom-milled-jig-for-smart-bulb-programming/ | A Custom Milled Jig For Smart Bulb Programming | Tom Nardi | [
"LED Hacks",
"Tool Hacks"
] | [
"ESP8266",
"milled pcb",
"Pogo pin",
"programming jig",
"Smart Bulb"
] | Who would have thought that some day we’d need programming jigs for our light bulbs? But progress marches on, and as there’s currently a number of affordable Internet-controlled bulbs powered by the ESP8266 on the market, we’re at the point where a tool to help update the firmware on the light over your kitchen sink mi... | 1 | 1 | [
{
"comment_id": "6173082",
"author": "Illuminated",
"timestamp": "2019-08-18T16:09:16",
"content": "Guess I’ll have to jump on this ESP8266-bulb bandwagon before the manufacturers move over to some less friendly chip. Pretty crazy to think my lightbulbs could have more processing power than my first... | 1,760,373,800.774727 | ||
https://hackaday.com/2019/08/17/perfecting-a-bluetooth-n64-controller/ | Perfecting A Bluetooth N64 Controller | Tom Nardi | [
"Nintendo Hacks",
"Peripherals Hacks"
] | [
"bluetooth",
"controller",
"digital potentiometer",
"n64",
"nintendo 64",
"PIC12F675",
"retrogaming"
] | Love it or hate it, the Nintendo 64 controller doesn’t seem to be going anywhere. Dedicated fans are still looking for ways to use the unique trilobed controller with modern systems, and they won’t be satisfied until they perfectly replicate the original experience.
[Shyri Villar] has been working on perfecting a blend... | 1 | 1 | [
{
"comment_id": "6172996",
"author": "LordNothing",
"timestamp": "2019-08-17T21:08:21",
"content": "i always thought the n64 controller was silly (having only 2 hands leaves me as a disadvantage) though i do like its unorthodox joystick design. its up there with the optical sensor used in old sidewi... | 1,760,373,801.15352 | ||
https://hackaday.com/2019/08/16/cruising-github-for-slack-webhook-tokens/ | Cruising GitHub For Slack Webhook Tokens | Tom Nardi | [
"Security Hacks",
"Software Development"
] | [
"credentials",
"github",
"slack",
"token",
"webhook"
] | GitHub is an incredibly powerful tool for sharing source code, and its value to the modern hacker can’t be overstated. But there’s at least one downside to effortlessly sharing your source: it’s now much easier for the whole world to find out when you screw up. Back in the day, if you accidentally left a username or pa... | 19 | 4 | [
{
"comment_id": "6172903",
"author": "voxnulla",
"timestamp": "2019-08-17T12:22:47",
"content": "I don’t know if I could have shown such restraint. Having had to use slack in the past and hating every single second of it, I truly can say I can not stand slack or any similar paradigms and I wish them... | 1,760,373,801.109528 | ||
https://hackaday.com/2019/08/16/an-almost-free-apollo-era-rocket/ | An (Almost) Free Apollo-Era Rocket | Al Williams | [
"News",
"Space"
] | [
"nasa",
"rocket",
"Saturn",
"surplus"
] | According to recent news reports, NASA’s Marshall Space Flight Center in Huntsville Alabama wants to give away a piece of history — an engineering test article of a
Saturn I Block I booster
. The catch? You’ll need to pay to haul it off, which will cost about $250,000. According to C|Net, the offer appears to be for mu... | 10 | 4 | [
{
"comment_id": "6172908",
"author": "Michael W. Perry, medical writer",
"timestamp": "2019-08-17T12:47:47",
"content": "You are right. That booster would make an excellent addition to an aviation or space museum. And the shipping might be less than $250,000, depending on the distance and facilities... | 1,760,373,801.317714 | ||
https://hackaday.com/2019/08/16/a-real-all-in-one-printer-should-have-a-computer-in-it-too/ | A Real All-In-One Printer Should Have A Computer In It, Too | Dan Maloney | [
"Misc Hacks"
] | [
"all-in-one",
"Case mod",
"laptop",
"netbook",
"printer",
"scanner",
"useless"
] | With printers generally being cheaper to replace than re-ink, there are plenty of cast-offs around to play with. They’re a great source for parts, but they’re also tempting targets for repurposing for entirely new uses. Sure, you could make a printer into a planter, but slightly more useful is
this computer built into ... | 14 | 7 | [
{
"comment_id": "6172830",
"author": "dendad",
"timestamp": "2019-08-17T00:16:35",
"content": "Years ago, I built a Rabble Ozi (6502 based Ohio Scientific compatible) based computer in a “BrighterWrirter” printer.Very handy to have a built in printer.This printer was a dot matrix one, with a paper r... | 1,760,373,801.205252 | ||
https://hackaday.com/2019/08/16/cramming-dual-sims-a-micro-sd-card-into-your-phone/ | Cramming Dual SIMs & A Micro SD Card Into Your Phone | Lewin Day | [
"Phone Hacks"
] | [
"dual sim",
"micro sd",
"microsd",
"nano SIM",
"sim",
"sim card"
] | There are plenty of dual SIM phones on the market these days, but most of them are a hamstrung by packaging issues. Despite their dual SIM capability, this usually comes at the expense of the microSD card slot. Of course, hackers don’t accept such nonsense,
and [Tweepy] went about crafting a solution.
Sadly the make an... | 22 | 13 | [
{
"comment_id": "6172821",
"author": "zhasjk",
"timestamp": "2019-08-16T23:27:56",
"content": "how is that a hack?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6172939",
"author": "DainBramage",
"timestamp": "2019-08-17T14:31:19",
"... | 1,760,373,801.263984 | ||
https://hackaday.com/2019/08/16/you-need-a-cyberdeck-this-board-will-help/ | You Need A Cyberdeck, This Board Will Help | Tom Nardi | [
"Raspberry Pi",
"Retrocomputing",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"adapter",
"Commodore 64c",
"cyberdeck",
"retro"
] | In 1984, William Gibson’s novel
Neuromancer
helped kick off the cyberpunk genre that many hackers have been delighting in ever since. Years before Tim Berners-Lee created the World Wide Web, Gibson was imagining worldwide computer networks and omnipresent artificial intelligence. One of his most famous fictional creati... | 8 | 6 | [
{
"comment_id": "6172791",
"author": "Rick",
"timestamp": "2019-08-16T18:56:07",
"content": "I always imagined something like the base system, usually a bit wider, thinner, but always needs a wearable or “implanted” display unit to avoid carrying a screen. the old one piece TRS 80 without a screen w... | 1,760,373,801.367968 | ||
https://hackaday.com/2019/08/16/hands-on-queercon-16-hardware-badge-shows-off-custom-membrane-keyboard/ | Hands-On: Queercon 16 Hardware Badge Shows Off Custom Membrane Keyboard | Mike Szczys | [
"cons",
"Featured"
] | [
"badgelife",
"DEF CON",
"defcon 27",
"hardware badge",
"keyboard",
"membrane keyboard",
"queercon",
"queercon badge"
] | Year over year, the Queercon badge is consistently impressive. I think what’s most impressive about these badges is that they seemingly throw out all design ideas from the previous year and start anew, yet manage to discover a unique and addictive aesthetic every single time.
This year, there are two hardware badges pr... | 11 | 4 | [
{
"comment_id": "6172785",
"author": "Beauregard Slim",
"timestamp": "2019-08-16T17:57:56",
"content": "Wow. The round input pad, the irregular key layout, the offset ePaper display and the phone plug for communication are all really interesting inspirations for building handheld portable computing... | 1,760,373,801.425534 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.