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https://hackaday.com/2019/07/06/midiboy-the-portable-gaming-console-with-midi/ | Midiboy, The Portable Gaming Console With MIDI | Brian Benchoff | [
"Musical Hacks"
] | [
"Arduboy",
"lsdj",
"midi",
"MIDI monitor",
"MIDIboy"
] | The ArduBoy is a tiny little gaming console that’s also extremely simple. It’s only a small, cheap, monochrome OLED display, a microcontroller with Arduino-derived firmware, and a few buttons. That’s it, but with these simple ingredients the community around the ArduBoy has created a viable gaming platform. It has cart... | 6 | 3 | [
{
"comment_id": "6162134",
"author": "Kevin Bates (@bateskecom)",
"timestamp": "2019-07-07T03:00:11",
"content": "I predicted this would happen on June 24, 2019https://twitter.com/bateskecom/status/1143251246339354626",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,373,854.077299 | ||
https://hackaday.com/2019/07/06/earthquake-detection-on-a-chip/ | Earthquake Detection On A Chip | Al Williams | [
"News"
] | [
"earthquake",
"rohm"
] | If you’ve ever been in an earthquake you’d assume it would be pretty easy to detect one. If things are shaking, there’s an earthquake. In reality, though, a lot of things can shake a sensitive instrument that is detecting shaking, so — for example — mechanical sensors will produce a lot of false positives. Now, however... | 14 | 7 | [
{
"comment_id": "6162126",
"author": "Nate B",
"timestamp": "2019-07-07T01:21:39",
"content": "Unless I miss something about this hackvertisement, all that’s special about this “chip” is the intellectual property locked away in it, which allows a bunch of normal sensors to produce a more useful resu... | 1,760,373,854.132903 | ||
https://hackaday.com/2019/07/06/phase-shift-pump-control-theres-an-app-for-that/ | Phase Shift Pump Control? There’s An App For That. | Tom Nardi | [
"Arduino Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"current sensing",
"motor controller",
"phase shift"
] | The sort of pumps used in the filtration systems of fountains and swimming pools don’t take kindly to running dry. So putting such a pump on a simple timer to run while you’re away comes with a certain level of risk: if the pump runs out of water while you’re gone, you might come home to a melted mess. One possible sol... | 19 | 9 | [
{
"comment_id": "6162086",
"author": "Jeremy S Cook",
"timestamp": "2019-07-06T20:16:39",
"content": "Really clever idea. Wonder if something similar is/could be implemented in industrial applications.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6162175",... | 1,760,373,854.193855 | ||
https://hackaday.com/2019/07/06/guitar-made-from-noodles-glows-in-the-dark/ | Guitar Made From Noodles Glows In The Dark | Rich Hawkes | [
"Musical Hacks"
] | [
"guitar",
"noodles",
"uv powder"
] | Wood. Specifically, certain types of tone woods; woods that impart a certain tone. That’s what guitars are made of. And occasionally, plastic, or metal, or fibreglass or, well, anything. [_forwardaudio_] built his
out of noodles
, because, why not?
Well, not completely out of noodles. Epoxy is used to give some streng... | 22 | 6 | [
{
"comment_id": "6162060",
"author": "NQ",
"timestamp": "2019-07-06T17:34:14",
"content": "He sounds to me like Kurt Harland from Information Society.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6162073",
"author": "Manny DelaCruz",
"timestamp": "20... | 1,760,373,854.700537 | ||
https://hackaday.com/2019/07/06/3d-printed-buttons-printed-as-a-single-unit/ | 3D Printed Buttons, Printed As A Single Unit | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"BlackBox",
"button cover",
"buttons",
"print in place",
"tact switches"
] | These nifty buttons
come from [Marc Schömann], and they are intended to cover just about any kind of tact switches. The buttons, their cover, and the compliant bits that act as a spring can be 3D printed as a complete unit that requires no assembly, and can be used fresh off the print bed.
The design is still being dev... | 10 | 3 | [
{
"comment_id": "6162044",
"author": "scott.tx",
"timestamp": "2019-07-06T14:36:12",
"content": "nice, even better when they’ll be integrated into the case too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6162046",
"author": "Will",
"timestamp": "20... | 1,760,373,854.537273 | ||
https://hackaday.com/2019/07/06/this-chiptune-players-got-what-nintendont/ | This Chiptune Player’s Got What Nintendon’t | Brian Benchoff | [
"classic hacks",
"Musical Hacks"
] | [
"chiptune",
"chiptune player",
"sega",
"YM2612"
] | When it comes to chiptunes, the original Nintendo Entertainment System and the Game Boy get all the accolades. The OPL synths have all the fun. But there’s another chip out there in dusty old machines that is at least as interesting with a repertoire at least as influential as the Mega Man 2 OST. It’s the YM2612, the c... | 7 | 5 | [
{
"comment_id": "6162038",
"author": "jensma.de (@jensma_de)",
"timestamp": "2019-07-06T14:12:27",
"content": "Woah, this is awesome! Definitly following this project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6162054",
"author": "Aidan Lawrence",
... | 1,760,373,854.235805 | ||
https://hackaday.com/2019/07/06/safely-measuring-single-and-three-phase-power/ | Safely Measuring Single And Three-Phase Power | Maya Posch | [
"hardware"
] | [
"arduino",
"energy measurement",
"power analysis"
] | There are many reasons why one would want to measure voltage and current in a project, some applications requiring one to measure mains and even three-phase voltage to analyze the characteristics of a device under test, or in a production environment. This led [Michael Klopfer] at the University of California, Irvine a... | 7 | 4 | [
{
"comment_id": "6162031",
"author": "some guy",
"timestamp": "2019-07-06T13:49:42",
"content": "schematic is here:https://github.com/CalPlug/ADE7953-Wattmeter/blob/master/Documents/Wattmeter_V4/WattMeter_v4.pdf(cut in half *fail*)The interesting part are the IC:main IC is ADE7953 as statedpowering ... | 1,760,373,854.438805 | ||
https://hackaday.com/2019/07/05/an-arduino-sickbay-display-worthy-of-the-enterprise/ | An Arduino Sickbay Display Worthy Of The Enterprise | Tom Nardi | [
"Arduino Hacks",
"Medical Hacks"
] | [
"medical sensors",
"props",
"sound effects",
"star trek"
] | The various displays and interfaces in
Star Trek
, especially
The Original Series,
were intentionally designed to be obtuse and overly complex so they would appear futuristic to the audience. If you can figure out how Sulu was able to fly the
Enterprise
with an array of unlabeled buttons and rocker switches, we’d love ... | 20 | 8 | [
{
"comment_id": "6162011",
"author": "MP",
"timestamp": "2019-07-06T09:03:45",
"content": "Nice! Who could have thought that one day it is possible to do such things as a hobby (I mean as a small boy watching the series I would not have imagined…).",
"parent_id": null,
"depth": 1,
"repli... | 1,760,373,854.298349 | ||
https://hackaday.com/2019/07/05/bringing-fpga-development-to-the-masses/ | Bringing FPGA Development To The Masses | Tom Nardi | [
"FPGA",
"Software Development"
] | [
"cloud application",
"development board",
"fpga",
"icestorm",
"web based"
] | The Field Programmable Gate Array (FPGA) is one of the most exciting tools in the modern hacker’s arsenal. If you can master the FPGA, you can create hardware devices that not only morph and change based on your current needs, but can power through repetitive tasks at phenomenal rates. The only problem is, working with... | 55 | 19 | [
{
"comment_id": "6161979",
"author": "Ostracus",
"timestamp": "2019-07-06T02:11:25",
"content": "” The only problem is, working with FPGAs can be a bit intimidating for newbies. One could argue that the technology is waiting on its “Arduino” moment; the introduction of a cheap development board coup... | 1,760,373,854.641215 | ||
https://hackaday.com/2019/07/05/how-to-turn-a-chainsaw-into-a-chopsaw/ | How To Turn A Chainsaw Into A Chopsaw | Lewin Day | [
"Tool Hacks"
] | [
"chainsaw",
"chop saw",
"chopsaw"
] | If you’re doing a lot of metal working, a chop saw is a great tool to have. It’s an easy and quick way to do a lot of neat, clean accurate cuts. [Making Stuff] wanted to do just that, but didn’t have a chop saw lying around.
Instead, an old Stihl chainsaw was placed on the bench, and hacking ensued (Youtube link, embed... | 13 | 7 | [
{
"comment_id": "6161964",
"author": "Hirudinea",
"timestamp": "2019-07-05T23:32:43",
"content": "WOW, that looks like it was a shitload of work to make, but it is an interesting idea. I wonder if people would be interested in purchasing it as a kit? (Made in China of course.)",
"parent_id": nul... | 1,760,373,854.484331 | ||
https://hackaday.com/2019/07/05/building-a-smart-speaker-from-scratch/ | Building A Smart Speaker From Scratch | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"alexa",
"Amazon Echo",
"google home",
"smart speaker"
] | Smart speakers have proliferated since their initial launch earlier this decade. The devices combine voice recognition and assistant functionality with a foreboding sense that paying corporations for the privilege of having your conversations eavesdropped upon could come back to bite one day. For this reason,
[Yihui] i... | 6 | 3 | [
{
"comment_id": "6161966",
"author": "George1984",
"timestamp": "2019-07-05T23:46:36",
"content": "How pray tell does “open source” have anything to do with what is essentially an always on listening device ? I’ve never seen so many people so willingly eager to surrender their privacy in the name of... | 1,760,373,854.993208 | ||
https://hackaday.com/2019/07/05/fly-a-pi-on-your-next-model-rocket/ | Fly A Pi On Your Next Model Rocket | Ted Yapo | [
"Space"
] | [
"accelerometer",
"camera",
"gyroscope",
"model rocket",
"raspberry pi"
] | From time to time, we see electronics projects for model rocket instrumentation. Those who have been involved in the hobby for many years may remember when 8-bit microcontrollers like the PIC16F84 were the kind of hardware you might fly on a mission. These days, however, there’s little reason not to send a high-powered... | 6 | 2 | [
{
"comment_id": "6161951",
"author": "e1337r0x0r",
"timestamp": "2019-07-05T20:55:17",
"content": "I have been Thinking about doing this but also having the Pi perform stabilization and hopefully even controlled flight into terrain! I think it would be great to throw in some opencv and teach it to g... | 1,760,373,854.823574 | ||
https://hackaday.com/2019/07/05/project-egress-casting-the-hatch-handle/ | Project Egress: Casting The Hatch Handle | Dan Maloney | [
"Space"
] | [
"aluminum",
"apollo",
"casting",
"command module",
"handle",
"hatch",
"Project Egress",
"sand",
"space",
"UCH"
] | Every door needs a handle, even – especially – the door of a spaceship. And [Paul] from “Paul’s Garage” got the nod to
fabricate the handle for the Apollo 11 Command Module hatch
being built as part of Project Egress.
For those not familiar with
Project Egress
, it’s a celebration of the 50th anniversary of the first M... | 8 | 4 | [
{
"comment_id": "6161875",
"author": "Ren",
"timestamp": "2019-07-05T14:08:20",
"content": "“draft angle”That my new “word of the day”, courtesy of HaD!https://revpart.com/draft-angles-for-injection-molding/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "616... | 1,760,373,854.947856 | ||
https://hackaday.com/2019/07/05/salty-tip-canister-to-rage-quit-games/ | Salty? Tip Canister To Rage Quit Games | Kristina Panos | [
"Arduino Hacks"
] | [
"Arduino micro",
"controller hack",
"gaming",
"rage quit",
"resistance"
] | Do you long for a more pronounced way to rage quit video games? Smashing buttons comes naturally, of course, but this hurts the controller or keyboard. You can quit your longing, because [Insert Controller Here] has an elegant solution that’s worth its salt.
The
Salty Rage Quit Controller
is simple. The cup is filled w... | 42 | 20 | [
{
"comment_id": "6161848",
"author": "salty",
"timestamp": "2019-07-05T12:14:20",
"content": "a lot of salt is needed…. maybe less salt and stirring would also work?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6161852",
"author": "Rog Fanther",
"tim... | 1,760,373,854.901686 | ||
https://hackaday.com/2019/07/05/how-not-to-get-paid-for-open-source-work/ | How Not To Get Paid For Open Source Work | Donald Papp | [
"Software Development"
] | [
"getting paid",
"open source",
"software development"
] | [Avi Press] recently made a Medium post
sharing his thoughts on a failed effort to allow for paid users
of an open source project. [Avi] is the author of
Toodles
, a tool to help organize and manage
TODO
items in software development. Toodles enjoyed unexpected popularity, and some of its users were large organizations... | 47 | 17 | [
{
"comment_id": "6161817",
"author": "Xtremegamer",
"timestamp": "2019-07-05T08:21:28",
"content": "What about, implement addons – sell the addons.Built your licensing around these addons.one way to force companies to pay this “addon” is by implementing a watermark of some sort so they would want to... | 1,760,373,855.523534 | ||
https://hackaday.com/2019/07/04/raspberry-pi-catches-the-early-bird/ | Raspberry Pi Catches The Early Bird | Sven Gregori | [
"Raspberry Pi"
] | [
"bird feeder",
"capacitive sensor",
"IoT",
"mqtt",
"pet feeder",
"raspberry pi",
"Raspberry pi camera"
] | If you live in an area with high bird activity, setting up a bird feeder and watching some hungry little fellows visit you can be a nice and relaxing pastime. Throw in a Raspberry Pi with some sensors and it can also be the beginning of your next IoT project, as it was the case for [sbkirby] with his
Bird Feeder Monito... | 11 | 5 | [
{
"comment_id": "6161815",
"author": "TogRog",
"timestamp": "2019-07-05T08:14:43",
"content": "Three Pis to check a capacative sensor and snap a picture? That seems… excessive?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161824",
"author": "elect... | 1,760,373,855.245106 | ||
https://hackaday.com/2019/07/04/understanding-elliptic-curve-cryptography-and-embedded-security/ | Understanding Elliptic Curve Cryptography And Embedded Security | Maya Posch | [
"Microcontrollers"
] | [
"cryptography",
"ecc",
"elliptic curve cryptography",
"IoT",
"rsa",
"security"
] | We all know the usual jokes about the ‘S’ in ‘IoT’ standing for ‘Security’. It’s hardly a secret that security in embedded, networked devices (‘IoT devices’) is all too often a last-minute task that gets left to whichever intern was unfortunate enough to walk first into the office that day. Inspired by this situation, ... | 26 | 10 | [
{
"comment_id": "6161786",
"author": "Canuckfire",
"timestamp": "2019-07-05T03:41:27",
"content": "I like IoTs. (IoT-secure)Kinda flows and only somewhat sounds like the security was bolted on as an afterthought… ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,855.310061 | ||
https://hackaday.com/2019/07/04/sprucing-up-a-bell-howell-model-34-oscilloscope/ | Sprucing Up A Bell & Howell Model 34 Oscilloscope | Tom Nardi | [
"classic hacks",
"Tool Hacks"
] | [
"analog oscilloscope",
"electrolytic capacitor",
"recapping",
"repair",
"restoration"
] | We’ll admit it, in an era when you can get a four channel digital storage oscilloscope with protocol decoding for a few hundred bucks, it can be hard not to see the appeal of analog CRT scopes from decades past. Sure they’re heavy, harder to use, and less capable, but they just look so
cool
. Who could say no to having... | 20 | 14 | [
{
"comment_id": "6161762",
"author": "reg",
"timestamp": "2019-07-04T23:15:13",
"content": "I could very easily pass on a junker like that. Bench space for me at any rate is valuable. With the raw amount of stuff I have I don’t think one of those old scopes would even rate indoor storage. Again, ... | 1,760,373,855.371499 | ||
https://hackaday.com/2019/07/04/midi-gurdy-midi-gurdy-midi-gurdy-man/ | MIDI-Gurdy, MIDI-Gurdy, MIDI-Gurdy Man | Brian Benchoff | [
"Musical Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"hurdy gurdy",
"HurdyGurdy",
"midi"
] | The hurdy gurdy is the perfect musical instrument. It’s an instrument with a crank, and a mechanical wonderment of drone strings and weird chromatic keyboards. No other musical instrument combines the sweet drone of bagpipes with the aural experience of an eight-year-old attempting to play Hot Cross Buns on a poorly tu... | 19 | 8 | [
{
"comment_id": "6161743",
"author": "Joel B",
"timestamp": "2019-07-04T20:13:57",
"content": "“No other musical instrument combines the sweet drone of bagpipes with the aural experience of an eight-year-old attempting to play Hot Cross Buns on a poorly tuned violin.”That honestly made me laugh out ... | 1,760,373,855.581105 | ||
https://hackaday.com/2019/07/04/hacked-calipers-make-automated-measurements-a-breeze/ | Hacked Calipers Make Automated Measurements A Breeze | Dan Maloney | [
"Tool Hacks"
] | [
"caliper",
"digital",
"ESP32",
"measurement",
"metrology",
"micrcontroller",
"SAM32",
"SAMD51",
"serial",
"tools"
] | Now, digital calipers with wired interfaces to capture the current reading are nothing new. But the good ones are expensive, and really, where’s the fun in plugging a $75 cable into a computer? So when [Max Holliday] was asked to
trick out some calipers for automating data capture
, he had to get creative.
[Max] found ... | 22 | 11 | [
{
"comment_id": "6161709",
"author": "coyoinu",
"timestamp": "2019-07-04T17:16:53",
"content": "Nice chindogutoo bad harbor freight digital calipers are awful.you can’t trust them when the battery starts to get low, and they draw like 10X the current of nice ones.analog dial calipers don’t lie.",
... | 1,760,373,855.430106 | ||
https://hackaday.com/2019/07/04/project-egress-fran-makes-a-latch/ | Project Egress: [Fran] Makes A Latch | Dan Maloney | [
"Space"
] | [
"adobe",
"apollo",
"AutoCAD",
"cnc",
"latch",
"Project Egress",
"Shaper Orgin",
"stl",
"woodworking"
] | [Fran Blanche] is on the team of elite hackers that has been offered a chance to contribute to
[Adam Savage]’s Project Egress
, a celebration of the engineering that got humanity to the Moon 50 years ago this month. By the luck of the draw, she landed a great assignment: building a replica of one of the fifteen latches... | 11 | 4 | [
{
"comment_id": "6161668",
"author": "Osgeld",
"timestamp": "2019-07-04T14:19:56",
"content": "on a team of elete hackers like Autodesk, microsoft and Kennedy high school (eagles rule!) I cant wait for the endless free content this thing is going to generate ove the next eon",
"parent_id": null,... | 1,760,373,855.711807 | ||
https://hackaday.com/2019/07/04/e3ds-love-letter-to-toolchanging-3d-printers/ | E3D’s Love Letter To Toolchanging 3D Printers | Sonya Vasquez | [
"3d Printer hacks",
"News"
] | [
"3d printing",
"E3D",
"toolchanger",
"toolchanging"
] | It’s been just over a year since E3D whetted our appetites for toolchanging printers. Now, with the impending release of their first toolchanging system, they’ve taken the best parts of their design and
released them into the wild as open source
. Head on over to Github for a complete solution to exchanging, locating, ... | 20 | 5 | [
{
"comment_id": "6161667",
"author": "Andy",
"timestamp": "2019-07-04T14:19:51",
"content": "Pardon my ignorance but why would you want to do an FDM 3d printer tool change? Drag knife, laser module, different nozzle for different materials?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,855.816712 | ||
https://hackaday.com/2019/07/04/e-book-reader-gets-page-turn-buttons-is-none-the-wiser/ | E-Book Reader Gets Page Turn Buttons, Is None The Wiser | Donald Papp | [
"handhelds hacks",
"how-to",
"Multitouch Hacks"
] | [
"e-book",
"e-ink",
"ir",
"kobo",
"reader",
"spoof",
"touch sensing"
] | Most e-book readers don’t have physical page turn buttons. Why? They just don’t. Virtual page turns are accomplished with a tap at a screen edge. Determined to reduce the awkwardness of one-handed use, [Sagar Vaze]
modified a Kobo e-reader with two physical page turn buttons
as a weekend project.
[Sagar] points out tha... | 13 | 6 | [
{
"comment_id": "6161617",
"author": "anszom",
"timestamp": "2019-07-04T08:26:04",
"content": "Neonode is a company specializing in this kind of touch sensors. I think the touch sensor in this ereader is made by them. They also made the zForce AIR sensor mentioned at the end (I guess it’s the same a... | 1,760,373,855.760223 | ||
https://hackaday.com/2019/07/03/the-power-of-directional-antennas/ | The Power Of Directional Antennas | Al Williams | [
"Radio Hacks"
] | [
"am radio",
"antenna",
"antennas",
"directional antennas",
"history"
] | AM broadcasting had a big problem, but usually only at night. During the day the AM signals had limited range, but at night they could travel across the country. With simple wire antennas, any two stations on the same frequency would interfere with each other. Because of this, the FCC required most radio stations to sh... | 32 | 10 | [
{
"comment_id": "6161607",
"author": "jafinch78",
"timestamp": "2019-07-04T07:55:51",
"content": "Great article with some basics and history that I’m thinking inspired or led the way to more advance beam forming mechanically and maybe I’m thinking regarding phase… electronically. To think there are... | 1,760,373,855.901117 | ||
https://hackaday.com/2019/07/03/spice-with-a-sound-card/ | Spice With A Sound Card | Al Williams | [
"computer hacks",
"Tool Hacks"
] | [
"simulation",
"sound card",
"SPICE"
] | In years gone by, trying out a new circuit probably would have meant heating up a soldering iron. Solderless breadboards have made that even easier and computer simulation is easier still, but there’s something not quite as satisfying about building a circuit virtually. [Thedeuluiz] has a way to get some of the best of... | 11 | 7 | [
{
"comment_id": "6161592",
"author": "NiHaoMike",
"timestamp": "2019-07-04T03:00:21",
"content": "Wouldn’t a FPGA be better at emulating the transfer functions?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161613",
"author": "imval",
"time... | 1,760,373,856.496746 | ||
https://hackaday.com/2019/07/03/led-music-visualizer-bespeckles-your-bedroom/ | LED Music Visualizer Bespeckles Your Bedroom | Sonya Vasquez | [
"LED Hacks"
] | [
"fourier transform",
"Teensy",
"ws2812b"
] | When it comes to wall-mounted ornamentation, get ready to throw out your throw-rugs and swap them for something that will pop so vividly, you’ll want to get your eyes checked. To get our eyes warmed up and popping, [James Best] has concocted a
gargantuan 900-RGB-LED music visualizer
to ensure that our bedrooms are brig... | 19 | 8 | [
{
"comment_id": "6161580",
"author": "_Sol_",
"timestamp": "2019-07-04T00:30:57",
"content": "A higher tech version of what we used to refer to in the 70s as a color organ.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161605",
"author": "cde",
... | 1,760,373,857.124522 | ||
https://hackaday.com/2019/07/02/pitop-makers-of-raspberry-pi-laptops-release-something-thats-not-a-laptop/ | PiTop, Makers Of Raspberry Pi Laptops, Release Something That’s Not A Laptop | Brian Benchoff | [
"Raspberry Pi"
] | [
"Pi-Top",
"steam",
"STEAMED EDUCATION"
] | The Raspberry Pi the closest thing to a modular laptop. That’s the idea behind the Pi-Top, a laptop with a Raspberry Pi as a brain. Need an upgrade? No problem, just get the latest Pi, they’re up to four now.
Now the people behind the Pi-Top are releasing what can best be described as a brick of computing.
The Pi-Top 4... | 35 | 19 | [
{
"comment_id": "6161373",
"author": "chester moore",
"timestamp": "2019-07-03T05:34:37",
"content": "It sounds like a bunch of nostalgic marketing whank aimed at people that weren’t even alive at the time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161... | 1,760,373,857.063083 | ||
https://hackaday.com/2019/07/02/emulating-a-6502-in-rom/ | Emulating A 6502 In ROM | Brian Benchoff | [
"Retrocomputing"
] | [
"6502",
"gigatron",
"ttl"
] | The Gigatron TTL microcomputer is an exercise in alternative history. What if, by some bizarre anomaly of invention and technology, the 1970s was not the age of the microprocessor? What if we could have had fast, high density ROM and RAM in the late ’70s, but the ability to put a microprocessor in silicon was beyond ou... | 25 | 11 | [
{
"comment_id": "6161357",
"author": "Danjovic",
"timestamp": "2019-07-03T03:50:08",
"content": "That’s amazing! it resembles some microprocessors that run microcode instead of having all instructions hardwired in logic circuit equivalents.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,373,857.612035 | ||
https://hackaday.com/2019/07/02/rc-trike-handles-great-with-rear-steering/ | RC Trike Handles Great With Rear Steering | Lewin Day | [
"Robots Hacks"
] | [
"FPV",
"radio control",
"tie rod"
] | Small robotics builds with three wheels are plentiful. The most typical configuration is to have the two front wheels drive and turn the vehicle in a skid-steer configuration. The third wheel is often a simple caster. However, this isn’t the only way to go,
and [markus.purtz] has put together a build that does things d... | 5 | 2 | [
{
"comment_id": "6161342",
"author": "smellsofbikes",
"timestamp": "2019-07-03T01:44:41",
"content": "Most recumbent trikes for people use a fixed, driven rear wheel, and Ackermann steering for the front, un-driven wheels. This seems to me to have some advantages over either skid-steer (only needs ... | 1,760,373,857.65217 | ||
https://hackaday.com/2019/07/02/this-arduino-is-feeding-the-fishes/ | This Arduino Is Feeding The Fishes | Lewin Day | [
"classic hacks"
] | [
"feeder",
"fish feeder",
"pet feeder"
] | Fish are easy to keep as pets, requiring little more than regular feeding to keep them happy in the short-to-medium term. If you’re going on holiday, it can be nice to know that your pets are being taken care of, but finding someone to take on the chore can be hard. [Trevor_DIY] doesn’t need to worry about that, howeve... | 11 | 5 | [
{
"comment_id": "6161279",
"author": "sebastian",
"timestamp": "2019-07-02T20:04:03",
"content": "People complaining that the shown tank is too small to keep fish in it in 3… 2… 1…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161327",
"author": "A... | 1,760,373,857.496035 | ||
https://hackaday.com/2019/07/02/why-fix-a-remote-when-you-can-just-build-a-new-device/ | Why Fix A Remote When You Can Just Build A New Device? | Lewin Day | [
"classic hacks"
] | [
"2019 Hackaday Prize",
"tv-b-gone",
"tvbgone"
] | Those who have been around the block, and the sun, a fair few times will know that they certainly don’t make ’em like they used to. It doesn’t particularly matter what “them” is; it’s merely a widely accepted fact that society has trended towards more disposable products over ones that have a long service life. [mcu_ne... | 17 | 7 | [
{
"comment_id": "6161270",
"author": "theRainHarvester on YouTube",
"timestamp": "2019-07-02T19:10:14",
"content": "Anyone else still have a phone with an ir led?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161276",
"author": "Ren",
"time... | 1,760,373,857.55021 | ||
https://hackaday.com/2019/07/02/mary-sherman-morgan-rocket-fuel-mixologist/ | Mary Sherman Morgan, Rocket Fuel Mixologist | Kristina Panos | [
"Biography",
"Hackaday Columns",
"History",
"Slider",
"Space"
] | [
"Explorer I",
"hydyne",
"ICBM",
"Liquid oxygen",
"Mary Sherman Morgan",
"profiles in science",
"project paperclip",
"redstone",
"rocket",
"satellite",
"space race",
"sputnik",
"TNT",
"V-2",
"Wernher von Braun"
] | In the fall of 1957, it seemed as though the United States’ space program would never get off the ground. The USSR had launched Sputnik in October, and this cemented their place in history as the first nation in space. If that weren’t bad enough, they put Sputnik 2 into orbit a month later.
By Christmas, things looked ... | 54 | 19 | [
{
"comment_id": "6161254",
"author": "Kristoffer Thorpe",
"timestamp": "2019-07-02T18:08:12",
"content": "What happened to the horse?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161264",
"author": "Kristina Panos",
"timestamp": "2019-07-0... | 1,760,373,857.866442 | ||
https://hackaday.com/2019/07/02/new-contest-beautiful-hardware/ | New Contest: Beautiful Hardware | Mike Szczys | [
"contests",
"digital cameras hacks",
"Hackaday Columns"
] | [
"Beautiful Hardware Contest",
"photography guide",
"photos",
"pictures",
"smartphone camera",
"social media photographs"
] | We all have awesome hardware projects to show off. Great photos of them are how you unlock the excitement others see in your work. Whether you’re using a DSLR or the camera in your smartphone, it’s not difficult to capture an amazing picture of the project you pour so much effort into. We want you to unleash your photo... | 13 | 8 | [
{
"comment_id": "6161213",
"author": "Kirby",
"timestamp": "2019-07-02T16:26:07",
"content": "When does the contest end?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6161247",
"author": "ptcryan",
"timestamp": "2019-07-02T17:44:01",
"content": "O... | 1,760,373,857.765746 | ||
https://hackaday.com/2019/07/03/a-briefcase-pentesting-rig-for-the-discerning-hacker/ | A Briefcase Pentesting Rig For The Discerning Hacker | Tom Nardi | [
"Raspberry Pi",
"Security Hacks"
] | [
"briefcase",
"pentesting",
"rfid",
"RTL-SDR",
"sdr",
"sigint"
] | In the movies, the most-high tech stuff is always built into a briefcase. It doesn’t whether whether it’s some spy gear or the command and control system for a orbiting weapons platform; when an ordinary-looking briefcase is opened up and there’s an LCD display in the top half, you know things are about to get interest... | 18 | 9 | [
{
"comment_id": "6161545",
"author": "ThatStupidDoll",
"timestamp": "2019-07-03T20:10:25",
"content": "You might want to add some cooling there…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161624",
"author": "John Honniball",
"timestamp":... | 1,760,373,858.185702 | ||
https://hackaday.com/2019/07/03/neural-network-smartens-up-a-security-system/ | Neural Network Smartens Up A Security System | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"LoRa",
"movidius",
"security",
"security system"
] | It’s all well and good having a security camera recording all the time, but that alone can’t sound the alarm in the event of a crime. Motion sensing is of limited use, often being triggered by unimportant stimuli such as moving shadows or passing traffic. [Tegwyn☠Twmffat] wanted a better security system for the farm,
a... | 11 | 5 | [
{
"comment_id": "6161550",
"author": "Francois Rainville",
"timestamp": "2019-07-03T20:42:32",
"content": "First Greyhound on Hackaday ( to my knowledge ) :) She looks a lot like my girl",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161699",
"autho... | 1,760,373,858.61078 | ||
https://hackaday.com/2019/07/03/teardown-2019-a-festival-of-hacking-art-and-fpgas/ | Teardown 2019: A Festival Of Hacking, Art, And FPGAs | Helen Leigh | [
"cons",
"Hackaday Columns"
] | [
"Circuit Python",
"fpga",
"gameboy",
"robotics",
"Satellites",
"Teardown 2019",
"Wearables"
] | As hackers approached the dramatic stone entrance of Portland’s Pacific Northwest College of Arts, a group of acolytes belonging to The Church of Robotron beckoned them over, inviting them to attempt to earn the title of Mutant Saviour. The church uses hazardous environments, religious indoctrination, a 1980s arcade ga... | 7 | 6 | [
{
"comment_id": "6161537",
"author": "zakqwy",
"timestamp": "2019-07-03T19:36:16",
"content": "such a fun event!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161538",
"author": "zakqwy",
"timestamp": "2019-07-03T19:37:07",
"content... | 1,760,373,858.822978 | ||
https://hackaday.com/2019/07/03/locking-up-lock-washers/ | Locking Up Lock Washers | Al Williams | [
"Misc Hacks"
] | [
"Bolts",
"fasteners",
"lock washers",
"nuts",
"threads"
] | We’ll admit most of us are more comfortable with solder and software than mechanical things. However, between robots, 3D printers, and various other mechanical devices, we sometimes have to dig into springs, belleville washers, and linear actuators. Unless you are a mechanical engineer, you might not realize there’s a ... | 41 | 17 | [
{
"comment_id": "6161501",
"author": "Pat",
"timestamp": "2019-07-03T16:03:46",
"content": "” However, he updated the post later to say that some people disagree with his cited study. In the end, you’ll have to decide, but given there are other options, maybe we’ll start using those more often.”Woah... | 1,760,373,858.766544 | ||
https://hackaday.com/2019/07/03/forty-four-hackers-and-a-hatch-progress-egress-takes-off/ | Forty Four Hackers And A Hatch: Progress Egress Takes Off | Dan Maloney | [
"Hackaday Columns",
"Space"
] | [
"adam savage",
"apollo",
"CM",
"collaboration",
"command module",
"nasa",
"replica",
"smithsonian",
"Tested"
] | The 50th anniversary of the first Moon landing is rapidly approaching, and uber space-nerd Adam Savage is in the thick of the celebration of all the amazing feats of engineering that made humanity’s first steps out of the cradle possible. And in a grand and very hacker-friendly style, we might add, as
his Project Egres... | 14 | 6 | [
{
"comment_id": "6161489",
"author": "steves",
"timestamp": "2019-07-03T15:15:26",
"content": "What with the DSKY being ready, the computer coming along nicely and now with the hatch being worked on, the Makers will be bouncing around on the Moon before NASA can even get back to LEO.",
"parent_i... | 1,760,373,858.876239 | ||
https://hackaday.com/2019/07/03/amiga-in-the-mist-gets-online-with-an-esp8266/ | Amiga In The MiST Gets Online With An ESP8266 | Tom Nardi | [
"Microcontrollers",
"Retrocomputing",
"Wireless Hacks"
] | [
"Amiga 1200",
"bbs",
"fpga",
"mist",
"slip"
] | While he couldn’t quite come up with the cash to buy one in their hayday, [Bruno Antunes] has always been fascinated with the Amiga. When PCs got fast enough he used emulators like UAE to get a taste of the experience, but it was never quite the same thing. Not until he found the MiST anyway, which uses an FPGA to impl... | 9 | 7 | [
{
"comment_id": "6161419",
"author": "deshipu",
"timestamp": "2019-07-03T11:32:08",
"content": "Now the eternal September really begins.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6161429",
"author": "VacationMan",
"timestamp": "2019-07-03T12:38:49... | 1,760,373,859.222108 | ||
https://hackaday.com/2019/07/03/this-mdf-sound-bar-sounds-great/ | This MDF Sound Bar Sounds Great | Brian Benchoff | [
"Misc Hacks",
"Musical Hacks"
] | [
"mdf",
"sound bar",
"soundbar",
"speaker cabinet",
"speakers"
] | Everyone should build a speaker cabinet at least once in their life, if only so they can realize how much thought goes into building a simple box. [John] of ibuildit.ca wanted a sound bar for his home theater setup,
and that means building a sound bar
. The result is beautiful, and a demonstration of how much you can d... | 12 | 6 | [
{
"comment_id": "6161415",
"author": "jack",
"timestamp": "2019-07-03T11:02:35",
"content": "Oh wow, nice speakers but not at all a fan of that table-saw technique",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161439",
"author": "Thinkerer",
... | 1,760,373,859.273023 | ||
https://hackaday.com/2019/07/02/ramen-lamp-has-us-feeling-hungry/ | Ramen Lamp Has Us Feeling Hungry | Lewin Day | [
"Misc Hacks"
] | [
"lamp",
"ramen"
] | Ramen comes in many forms, and whether you’re eating the 10 cent instant packets during the school year, or dining out at a fancy noodle bar, it’s a tasty meal either way. [ramenkingandi] has long been in love with the classic Japanese fare,
and decided to create a homage to the dish – in lamp form.
The lamp build begi... | 7 | 6 | [
{
"comment_id": "6161200",
"author": "Neorazz",
"timestamp": "2019-07-02T15:42:11",
"content": "Cayde 6 approves",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6161255",
"author": "Steven",
"timestamp": "2019-07-02T18:10:24",
"content": "I saw this... | 1,760,373,859.315665 | ||
https://hackaday.com/2019/07/02/hands-on-greatfet-is-an-embedded-tool-that-does-it-all/ | Hands-On: GreatFET Is An Embedded Tool That Does It All | Mike Szczys | [
"Featured",
"Microcontrollers",
"Reviews",
"Slider",
"Tool Hacks"
] | [
"bus pirate",
"embedded debugging",
"facedancer",
"GoodFET",
"Great Scott Gadgets",
"GreatFET",
"GreatFET One",
"LPC4330"
] | There’s a new embedded hacking tool on the scene that gives you an interactive Python interface for a speedy chip on a board with oodles of GPIO, the ability to masquerade as different USB devices, and a legacy of tricks up its sleeve. This is the GreatFET, the successor to the much loved GoodFET.
I first heard this bo... | 43 | 16 | [
{
"comment_id": "6161170",
"author": "Greg A",
"timestamp": "2019-07-02T14:43:34",
"content": "put it in a box and you’ll be forced into an awkward design to avoid the microusb port being too recessed. of course, we all have 3d printers shrug",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,859.506435 | ||
https://hackaday.com/2019/07/02/the-arduboy-gets-a-crank-mod/ | The Arduboy Gets A Crank Mod | Brian Benchoff | [
"Arduino Hacks",
"Nintendo Game Boy Hacks"
] | [
"Arduboy",
"crank",
"Not Teenage Engineering"
] | You’ve seen VR headsets and wearable video game controllers and flight yokes and every other type and kind of video game controller, but a crank? Yes,
the Arduboy now has a crank modification
in tribute to (or blatant ripoff of) the
PlayDate
, a video game console created by Panic and Teenage Engineering.
The basis for... | 10 | 4 | [
{
"comment_id": "6161117",
"author": "Ren",
"timestamp": "2019-07-02T13:05:25",
"content": "Maybe there is a game where you need to crank start a Ford Model T.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6161139",
"author": "Shannon",
"tim... | 1,760,373,859.553893 | ||
https://hackaday.com/2019/07/02/building-a-googie-style-sign-with-the-help-of-cnc/ | Building A Googie-Style Sign With The Help Of CNC | Lewin Day | [
"cnc hacks"
] | [
"cnc",
"led",
"sign"
] | The Googie style was a major architectural trend of the post-war period in the United States. It remains popular to throwback to this style,
and [Wesley Treat] got the job to create a sign in this vein for a local trailer motel (Youtube link, embedded below)
.
CNC tools make just about any job easier, and this one is n... | 8 | 4 | [
{
"comment_id": "6161063",
"author": "Bill",
"timestamp": "2019-07-02T09:43:40",
"content": "Nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6161065",
"author": "Tad Pole",
"timestamp": "2019-07-02T09:48:51",
"content": "This was one of the mos... | 1,760,373,860.118567 | ||
https://hackaday.com/2019/07/01/the-backbone-of-vhf-amateur-radio-may-be-under-threat/ | The Backbone Of VHF Amateur Radio May Be Under Threat | Jenny List | [
"News",
"Radio Hacks"
] | [
"2 metres",
"amateur radio",
"radio"
] | A story that has been on the burner for a few weeks concerns
a proposal that will be advanced to the ITU World Radiocommunication Conference 2023
. It originates with French spectrum regulators and is reported to be
at the behest of the Paris-based multinational defence contractor Thales
. The sting in its tail is the ... | 135 | 32 | [
{
"comment_id": "6160990",
"author": "e",
"timestamp": "2019-07-02T05:24:45",
"content": "Thankfully the RSGB can leverage the UK’s EU status to lobby…. errrm",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160993",
"author": "Bruce Perens K6BP",
... | 1,760,373,860.807939 | ||
https://hackaday.com/2019/07/01/ai-recognizes-and-locks-out-murder-cats/ | AI Recognizes And Locks Out Murder Cats | Dan Maloney | [
"home hacks",
"Misc Hacks"
] | [
"ai",
"artificial intelligence",
"AWS",
"cat door",
"DeepLens",
"feline",
"machine learning",
"machine vision",
"murder",
"predation",
"prey"
] | Anyone with a cat knows that the little purring ball of fluff in your lap is one tiny step away from turning into a bloodthirsty serial killer. Give kitty half a chance and something small and defenseless is going to meet a slow, painful end. And your little killer is as likely as not to show off its handiwork by bring... | 56 | 23 | [
{
"comment_id": "6160960",
"author": "Brandon",
"timestamp": "2019-07-02T02:17:35",
"content": "Such a good idea!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6160965",
"author": "kaaaaaaaaaaaaaaang",
"timestamp": "2019-07-02T02:34:38",
"content"... | 1,760,373,860.63734 | ||
https://hackaday.com/2019/07/01/building-a-geodesic-dome-greenhouse/ | Building A Geodesic Dome Greenhouse | Lewin Day | [
"green hacks"
] | [
"dome",
"garden",
"gardening",
"geodesic",
"geodesic dome",
"greenhouse"
] | Greenhouses are a great way to improve conditions for your plants, and are an absolute necessity for any serious gardening in colder climates. When the time came for [gentleworks] to build a new greenhouse, rather than going with a conventional design,
they decided to go with a geodesic dome instead
.
The greenhouse us... | 31 | 14 | [
{
"comment_id": "6160931",
"author": "Greg A",
"timestamp": "2019-07-01T23:18:49",
"content": "I was really curious how they devised the window shapes….plastic sheeting, man, i just don’t think it lasts. i was thinking cut glass could work, if you can keep the shape consistent and cut well…though y... | 1,760,373,861.164622 | ||
https://hackaday.com/2019/06/30/the-comforting-blue-glow-of-old-time-radio/ | The Comforting Blue Glow Of Old Time Radio | Jenny List | [
"Radio Hacks"
] | [
"Marconi",
"spark gap",
"spark gap transmitter"
] | When you think of an old radio it’s possible you imagine a wooden-cased tube radio receiver as clustered around by a 1940s family anxious for news from the front, or maybe even a hefty 19-inch rack casing for a “boat anchor” ham radio transmitter. But neither of those are
really
old radios, for that we must go back ano... | 13 | 5 | [
{
"comment_id": "6160779",
"author": "DainBramage",
"timestamp": "2019-07-01T13:05:06",
"content": "Spark gap transmitters: When you absolutely need to send a signal on every frequency from DC to daylight. (and incur the wrath of your local government)",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,860.85495 | ||
https://hackaday.com/2019/06/30/blisteringly-fast-machine-learning-on-an-arduino-uno/ | Blisteringly Fast Machine Learning On An Arduino Uno | Pat Whetman | [
"Arduino Hacks",
"Microcontrollers"
] | [
"ai",
"arduino",
"deep learning",
"machine learning",
"ml",
"uno"
] | Even though machine learning AKA ‘deep learning’ / ‘artificial intelligence’ has been around for several decades now, it’s only recently that computing power has become fast enough to do anything useful with the science.
However, to fully understand how a neural network (NN) works, [Dimitris Tassopoulos] has stripped t... | 23 | 6 | [
{
"comment_id": "6160711",
"author": "Raukk",
"timestamp": "2019-07-01T02:48:31",
"content": "I’m sure you’re going to get this comment a few hundred times, but this statement is wrong and/or misleading: “machine learning AKA ‘deep learning’.”Machine Learning is a large Field of study in which one o... | 1,760,373,861.094545 | ||
https://hackaday.com/2019/06/30/hackaday-links-june-30-2019/ | Hackaday Links: June 30, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"c64",
"C64 mini",
"Cheese Grater",
"cnc",
"Heely",
"kickstarter",
"mac",
"maker faire"
] | In our continuing series of, ‘point and laugh at this guy’, I present a Kickstarter for the,
“World’s First Patented Unhackable Computer Ever”.
It’s also
a real web site
and there’s even a patent (US 10,061,923, not showing up on Google Patents for some reason), and a real product: you can get an unhackable laptop, and... | 31 | 16 | [
{
"comment_id": "6160671",
"author": "Lily",
"timestamp": "2019-06-30T23:12:10",
"content": "This comment is here because it can be, but not necessarily because it should be.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160675",
"author": "LordNot... | 1,760,373,860.925179 | ||
https://hackaday.com/2019/06/30/extracting-power-from-usb-type-c/ | Extracting Power From USB Type C | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"usb",
"USB Type-C",
"USB-PD"
] | For the last decade or so, we’ve been powering and charging our portable devices with USB. It’s a system that works; you charge batteries with DC, and you don’t want to have a wall wart for every device, so just grab a USB hub and charge your phone and you headphones or what have you. Now, though, we have USB Type C, w... | 25 | 12 | [
{
"comment_id": "6160652",
"author": "Boorkus",
"timestamp": "2019-06-30T20:26:52",
"content": "I wish they made something similar to this, but with micro B to power a Raspberry Pi from a type C power supplies. Voltage drop across a 5V micro B lead is annoying when trying to power RPis.",
"paren... | 1,760,373,862.819562 | ||
https://hackaday.com/2019/06/30/make-the-product-by-hacking-the-catalogue/ | Make The Product By Hacking The Catalogue | Jenny List | [
"clock hacks"
] | [
"papercraft",
"QLock",
"word clock"
] | We’ve all had that moment of seeing a product that’s an object of desire, only to realize that it’s a little beyond our means. Many of us in this community resolve to build our own, indeed these pages are full of projects that began in this way. But few of us have the audacity of [vcch], who was so taken with the QLock... | 10 | 5 | [
{
"comment_id": "6160638",
"author": "RandyKC",
"timestamp": "2019-06-30T17:57:26",
"content": "I don’t think the catalog company could have an issue with someone copying a clock that they copied. Maybe the translation is the issue, but just translating a product doesn’t mean you have exclusive righ... | 1,760,373,862.919327 | ||
https://hackaday.com/2019/06/30/build-your-own-selfie-drone-with-computer-vision/ | Build Your Own Selfie Drone With Computer Vision | Brian Benchoff | [
"drone hacks"
] | [
"computer vision",
"CV",
"drone",
"selfie",
"selfie drone"
] | In late 2013 and early 2014, in the heady days of the drone revolution, there was one killer app — the selfie drone. Selfie sticks themselves had already become a joke, but a selfie drone injected a breath of fresh air into the world of tech. Fidget spinners had yet to be invented, so this is really all we had. It wasn... | 10 | 5 | [
{
"comment_id": "6160614",
"author": "ChrisMicro",
"timestamp": "2019-06-30T14:34:25",
"content": "This is a nice project but I’m afraid that could be the next step:https://www.youtube.com/watch?v=9CO6M2HsoIA",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61... | 1,760,373,862.969377 | ||
https://hackaday.com/2019/06/30/turn-a-ceiling-fan-into-a-wind-turbine-almost/ | Turn A Ceiling Fan Into A Wind Turbine… Almost | Bryan Cockfield | [
"home hacks"
] | [
"ceiling fan",
"coil",
"generator",
"induction motor",
"magnet",
"motor",
"Wind turbine",
"windings"
] | It’s not uncommon to drive around the neighborhood on trash day and see one or two ceiling fans haphazardly strewn onto a pile of garbage bags, ready to be carted off to the town dump. It’s a shame to see something like this go to waste, and [Giesbert Nijhuis] decided he would see what he could do with one. After some ... | 9 | 7 | [
{
"comment_id": "6160593",
"author": "AKA the A",
"timestamp": "2019-06-30T11:29:16",
"content": "“can’t simply be used as a generator”Are you sure about that? All you need is capacitance to compensate the pahse shift…as long as the load is constant, the capacity can be constant…https://www.youtube.... | 1,760,373,863.229718 | ||
https://hackaday.com/2019/06/30/connecting-new-york-city-to-the-backbone-meet-nycs-mesh-network/ | Connecting New York City To The Backbone: Meet NYC’s Mesh Network | Maya Posch | [
"computer hacks"
] | [
"internet",
"isp",
"mesh networking",
"nyc",
"nyc mesh",
"wifi"
] | Access to fast and affordable internet is a big issue in the USA, even in a major metropolis such as New York City. Amidst a cartel of ISPs who simply will not deliver, a group of NYC inhabitants first took it upon themselves to ease this situation by setting up their own mesh-based internet connections way back in 201... | 25 | 9 | [
{
"comment_id": "6160578",
"author": "Saabman",
"timestamp": "2019-06-30T08:17:04",
"content": "Sounds like Australia as well where the cartel of providers sit on their hands and happily take the money and provide little for it Except for a call Centre in the Philippines…",
"parent_id": null,
... | 1,760,373,863.030318 | ||
https://hackaday.com/2019/06/29/building-a-diy-desktop-sized-arcade-machine/ | Building A DIY Desktop-Sized Arcade Machine | Lewin Day | [
"Raspberry Pi"
] | [
"arcade",
"raspberry pi",
"retropie"
] | Full-sized arcade cabinets are undeniably cool, but take up a lot of space and can be somewhat of a handful. [PleaseNoFisticuffs] desired something a little more fun-sized,
and so built a desktop arcade machine that has some serious style.
It’s a build that’s remarkably accessible for even the inexperienced builder. Pa... | 10 | 6 | [
{
"comment_id": "6160570",
"author": "Josh",
"timestamp": "2019-06-30T05:08:32",
"content": "Ooh! Ooh! I get to say it!Not a hack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160588",
"author": "lj",
"timestamp": "2019-06-30T10:10:09",
... | 1,760,373,863.122988 | ||
https://hackaday.com/2019/06/29/an-sdr-transceiver-the-old-school-way/ | An SDR Transceiver The Old-School Way | Jenny List | [
"Radio Hacks"
] | [
"amateur radio",
"ham radio",
"quadrature",
"radio",
"sdr",
"transceiver"
] | Software-defined radios or SDRs have provided a step-change in the way we use radio. From your FM broadcast receiver which very likely now has single-application SDR technology embedded in a chip through to the all-singing-all-dancing general purpose SDR you’d find on an experimenter’s bench, control over signal proces... | 4 | 2 | [
{
"comment_id": "6160582",
"author": "Tikko",
"timestamp": "2019-06-30T09:01:20",
"content": "I want to build strong at home. Kindly provide either schematic s and video. Also can the TV converter be used as SDR? If yes kindly let me know how.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,863.074143 | ||
https://hackaday.com/2019/06/29/automatic-cut-off-saw-takes-the-tedium-out-of-a-twenty-minute-job/ | Automatic Cut-Off Saw Takes The Tedium Out Of A Twenty-Minute Job | Dan Maloney | [
"Tool Hacks"
] | [
"automation",
"brass",
"control",
"cut-off",
"metalworking",
"steel",
"tools"
] | For [Turbo Conquering Mega Eagle], the question was simple: Do I spend 20 minutes slaving away in front of a bandsaw to cut a bunch of short brass rods into even shorter pieces of brass rod? Or do I spend days
designing and building an automatic cutoff saw
to do the same job? The answer is obvious.
It’s only at the end... | 26 | 7 | [
{
"comment_id": "6160548",
"author": "Mike R",
"timestamp": "2019-06-29T23:50:13",
"content": "Many moons ago, I had a homework assignment which consisted of 50 or so quadratic equations to solve. The thought of the mind-numbing tedium drove me to write a program to solve them. I spent way longer wr... | 1,760,373,863.186037 | ||
https://hackaday.com/2019/06/29/the-flat-pack-3d-printed-model/ | The Flat-Pack 3D Printed Model | Brian Benchoff | [
"3d Printer hacks"
] | [
"2019 Hackaday Prize",
"3d printing",
"flat pack"
] | For a hundred years or thereabouts, if you made something out of plastic, you used a mold. Your part would come out of the mold with sprues and flash that had to be removed. Somewhere along the way, someone realized you could use these sprues to hold parts in a frame, and a while later the plastic model was invented. B... | 16 | 9 | [
{
"comment_id": "6160519",
"author": "RetiredHobgoblin",
"timestamp": "2019-06-29T20:21:32",
"content": "“A great project, and one that proves there’s still some innovation left in the world of 3D printing.”Benchoff is apparently too much of a grinch to know about the following:https://www.thingiver... | 1,760,373,863.288126 | ||
https://hackaday.com/2019/06/29/lighting-tech-dives-into-the-guts-of-laser-galvanometers/ | Lighting Tech Dives Into The Guts Of Laser Galvanometers | Dan Maloney | [
"Repair Hacks",
"Teardown"
] | [
"concert",
"d'Arsonval",
"galvanometer",
"glavo",
"laser",
"lighting",
"moving coil",
"repair",
"stage",
"teardown"
] | There’s something magical about a laser light show. Watching that intense beam of light flit back and forth to make shapes and patterns, some of them even animated, is pretty neat. It leaves those of us with a technical bent wondering just exactly how the beam is manipulated that fast.
Wonder no more as [Zenodilodon], ... | 12 | 9 | [
{
"comment_id": "6160497",
"author": "macona",
"timestamp": "2019-06-29T17:33:55",
"content": "We use a lot of galvos at work. The expensive kind. Like $10k for a galvo. Nice galvos use moving coil instead of a permanent magnet on the armature and have either a capacitive positioning feedback or sin... | 1,760,373,863.338641 | ||
https://hackaday.com/2019/06/29/tic-tac-toe-in-ttl/ | Tic-Tac-Toe, In TTL | Jenny List | [
"Toy Hacks"
] | [
"noughts and crosses",
"rom",
"tic-tac-toe",
"ttl"
] | We’ll all be familiar with Tic-Tac-Toe, or Noughts and Crosses, a childhood pencil-and-paper diversion which has formed the basis of many a coding exercise. It’s an easy enough task to implement in software, but how many of us have seen it done in hardware alone?
That’s just what [Warren Toomey] has done using TTL chip... | 15 | 7 | [
{
"comment_id": "6160472",
"author": "RoGeorge",
"timestamp": "2019-06-29T14:32:32",
"content": "TTT (Tic-Tac-Toe)TTL (Tic-Tac-Low):o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160474",
"author": "tekkieneet",
"timestamp": "2019-06-29T1... | 1,760,373,863.455962 | ||
https://hackaday.com/2019/06/28/building-a-foam-machine-from-a-leaf-blower-and-a-water-pump/ | Building A Foam Machine From A Leaf Blower And A Water Pump | Lewin Day | [
"classic hacks",
"Featured",
"how-to",
"Slider"
] | [
"foam",
"foam machine",
"foam party",
"how-to",
"leaf blower",
"leafblower",
"pump",
"submersible pump",
"water pump"
] | Imagine a tub overflowing with bubble bath, except it’s a club dancefloor and music is pumping all night. This is what is known as a “foam party” — a wild and exciting concept that nonetheless many are yet to experience. The concept exploded in popularity in Ibiza in the 1990s, and foam parties are regularly held at ni... | 24 | 12 | [
{
"comment_id": "6160353",
"author": "Junky",
"timestamp": "2019-06-28T18:11:18",
"content": "I’m in",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6160354",
"author": "Daren Schwenke",
"timestamp": "2019-06-28T18:19:04",
"content": "You can build ... | 1,760,373,864.246938 | ||
https://hackaday.com/2019/06/28/hackaday-podcast-025-of-cheese-graters-fauxberries-printed-gears-power-latching-and-art-loving-ai/ | Hackaday Podcast 025: Of Cheese Graters, Fauxberries, Printed Gears, Power Latching, And Art-Loving AI | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday Editors Mike Szczys and Elliot Williams dish their favorite hacks from the past week. Seems like everyone is trying to mill their own Mac Pro grille and we love seeing how they go about it. Elliot is gaga over a quintet of power latching circuits, Mike goes crazy for a dough sheeter project, and we dig through... | 3 | 2 | [
{
"comment_id": "6160336",
"author": "Ren",
"timestamp": "2019-06-28T16:43:20",
"content": "I thought Fauxberries are those plastic substitutes placed in neutered dogs, so they don’t feel bad when they get back to their buddies.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,863.66811 | ||
https://hackaday.com/2019/06/28/be-on-twitter-without-being-on-twitter/ | Be On Twitter Without Being On Twitter | Jenny List | [
"Raspberry Pi"
] | [
"Pi 3 Model A+",
"Social Media",
"twitter",
"webcam"
] | Social media can connect us to a vibrant worldwide community, but it is also a huge time sink as it preys on both our need for attention and our insatiable curiosity. Kept on a leash by those constant notification sounds, we can easily look up from our phones to find half a day has gone and we’re behind with our work. ... | 1 | 1 | [
{
"comment_id": "6160773",
"author": "Kevin",
"timestamp": "2019-07-01T12:30:28",
"content": "I have an IFTTT recipe that pushes tweets from specific accounts to a Slack channel, for reading just a couple of users, or reference later if they get deleted.",
"parent_id": null,
"depth": 1,
... | 1,760,373,863.706004 | ||
https://hackaday.com/2019/06/28/this-week-in-security-invalid-curve-attacks-openssh-shielded-and-more-details-on-coinbase/ | This Week In Security: Invalid Curve Attacks, OpenSSH Shielded, And More Details On Coinbase | Jonathan Bennett | [
"computer hacks",
"Hackaday Columns",
"Security Hacks"
] | [
"Elliptical Curve",
"firefox",
"openssh",
"This Week in Security"
] | AMD Epyc processors support Secure Encrypted Virtualization (SEV), a technique that prevents even a hypervisor reading memory belonging to a virtual machine. To pull this off, the encryption and decryption is handled on the fly by the Platform Security Processor (PSP), which is an ARM core that handles processor start-... | 19 | 2 | [
{
"comment_id": "6160279",
"author": "Rog Fanther",
"timestamp": "2019-06-28T14:07:45",
"content": "“Another city, more ransomware. Riviera Beach, Florida was hit with a ransomware attack, and paid $600,000 in an attempt to get their data back. ” ..Maybe they could try, ya know, having backups ?",
... | 1,760,373,864.305586 | ||
https://hackaday.com/2019/06/28/power-to-the-pi-4-some-chargers-may-not-make-the-grade/ | Power To The Pi 4: Some Chargers May Not Make The Grade | Jenny List | [
"News",
"Raspberry Pi"
] | [
"Raspberry Pi 4",
"USB C",
"usb c power delivery"
] | The Raspberry Pi 4 has been in the hands of consumers for a few days now, and while everyone seems happy with their new boards there are some
reports of certain USB-C power supplies not powering them
. It has been speculated that the cause may lie in the use of pulldown resistors on the configuration channel (CC) lines... | 66 | 17 | [
{
"comment_id": "6160219",
"author": "jwcrawley",
"timestamp": "2019-06-28T11:09:49",
"content": "Or, they could have just used a standard barrel jack and got rid of usb* for power input.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160220",
"auth... | 1,760,373,864.173442 | ||
https://hackaday.com/2019/06/28/yo-dawg-i-heard-you-like-fpgas/ | Yo Dawg, I Heard You Like FPGAs | Bryan Cockfield | [
"FPGA"
] | [
"cornell",
"emulator",
"fpga",
"I/O",
"programming",
"research",
"xilinx"
] | When the only tool you have is a hammer, all problems look like nails. And if your goal is to emulate the behavior of an FPGA but your only tools are FPGAs, then your nail-and-hammer issue starts getting a little bit interesting. That’s at least what a group of students at Cornell recently found when
learning about the... | 12 | 7 | [
{
"comment_id": "6160204",
"author": "TheGuze",
"timestamp": "2019-06-28T08:29:34",
"content": "No mention of the MiSTer project??https://github.com/MiSTer-devel/Main_MiSTer/wiki",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160243",
"author": "Ell... | 1,760,373,863.914881 | ||
https://hackaday.com/2019/06/27/scripting-language-rapidly-develops-a-clock/ | Scripting Language Rapidly Develops A Clock | Al Williams | [
"Arduino Hacks",
"clock hacks"
] | [
"annex",
"basic",
"clock",
"scripting"
] | In the past, you might very well have started programming in Basic. It wasn’t very powerful language and it was difficult to build big projects with, but it was simple to learn, easy to use, and the interpreter made it easy to try things out without a big investment of time. Today you are more likely to get started usi... | 17 | 6 | [
{
"comment_id": "6160184",
"author": "leeahart",
"timestamp": "2019-06-28T05:59:32",
"content": "The “program” appears simple because it isn’t really the program. The real work is all being done by the functions, which aren’t shown. It’s the Wizard of Oz “man behind the curtain” trick.While BASIC ha... | 1,760,373,863.867615 | ||
https://hackaday.com/2019/06/29/a-doom-esque-port-to-the-atmega328/ | A Doom-esque Port To The ATmega328 | Lewin Day | [
"classic hacks"
] | [
"arduino",
"arduino nano",
"doom"
] | Doom
holds a special place as one of the biggest games of the 1990s, as well as being one of the foundational blocks of the FPS genre. Long before 3D accelerators hit the market, iD Software’s hit was being played on computers worldwide, and later spread to all manner of other platforms.
[David Ruiz] decided to build a... | 11 | 7 | [
{
"comment_id": "6160458",
"author": "nonya beeznas",
"timestamp": "2019-06-29T12:39:29",
"content": "It’s disturbing all that could fit on there. Makes me wonder what else could fit onto that chip, in addition to input firmware… like monitoring software, for instance.",
"parent_id": null,
... | 1,760,373,864.061235 | ||
https://hackaday.com/2019/06/29/parallel-processing-was-never-quite-done-like-this/ | Parallel Processing Was Never Quite Done Like This | Jenny List | [
"Microcontrollers"
] | [
"multiprocessor",
"Parallax Propeller",
"parallel processing"
] | Parallel processing is an idea that will be familiar to most readers. Few of you will not be reading this on a device with only one processor core, and quite a few of you will have experimented with clusters of Raspberry Pi or similar SBCs. Instead of one processor doing tasks sequentially, the idea goes, take a bunch ... | 64 | 19 | [
{
"comment_id": "6160432",
"author": "Anonymous",
"timestamp": "2019-06-29T08:12:13",
"content": "Most people read it on a multicore device. So:“Few of you will be reading this on a device with only one processor core”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,373,864.446787 | ||
https://hackaday.com/2019/06/28/electronic-candle-charges-inductively/ | Electronic Candle Charges Inductively | Lewin Day | [
"home hacks"
] | [
"candle",
"inductive charging",
"LED candle",
"li-po"
] | Humans like things that look like other things. A great example are faux LED tea light candles, with a plastic “flame” and flickering orange LED to recreate the effect of their waxy brethren. [gzumwalt] wanted to take the concept a little further, however,
and got down to work
.
The design harvests the orange LED and f... | 1 | 1 | [
{
"comment_id": "6520567",
"author": "shod",
"timestamp": "2022-10-12T15:32:53",
"content": "Pity the flame is so stationary, I wonder if something simple can be done to fix that.I mean you only need tiny random movement of a low weight and low inertia flame-corona-simulation, and you can get the ra... | 1,760,373,864.34423 | ||
https://hackaday.com/2019/06/28/a-super-tidy-school-bus-rv-conversion/ | A Super Tidy School Bus RV Conversion | Lewin Day | [
"classic hacks",
"Transportation Hacks"
] | [
"camper",
"conversion",
"rv"
] | Many of us have seen an old bus for sale for a tantalizingly low price, and begun thinking about the possibilities. [EpiclyEpicEthan1] is someone who took the next step, bought the bus, and got to work converting it to an RV,
with impressive results
.
The bus in question is a 2002 International RE3000, which in its for... | 18 | 11 | [
{
"comment_id": "6160409",
"author": "Ren",
"timestamp": "2019-06-29T02:46:20",
"content": "That _IS_ cool!(drool!)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160489",
"author": "Jonathan",
"timestamp": "2019-06-29T16:41:10",
"c... | 1,760,373,864.500994 | ||
https://hackaday.com/2019/06/28/syringe-pump-turns-cnc-machine-into-a-frosting-bot/ | Syringe Pump Turns CNC Machine Into A Frosting Bot | Dan Maloney | [
"cnc hacks",
"cooking hacks"
] | [
"bioprinting",
"dispenser",
"extruder",
"frosting",
"hydrogel",
"stepper",
"syringe pump"
] | “Amazing how with only the power of 3D-printing, two different computers, hundreds of dollars in CNC machinery, a lathe, and modern microcontroller magic, I can almost decorate a cupcake as well as a hyperactive ten-year-old.” We can think of no better way to sum up [Justin]’s
experiment in CNC frosting application
, ... | 3 | 2 | [
{
"comment_id": "6160400",
"author": "Hirudinea",
"timestamp": "2019-06-28T23:28:00",
"content": "You should use something else besides the syringe, something you can put threads on so you can put on frosting tips.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,373,864.542631 | ||
https://hackaday.com/2019/06/28/fish-hooks-embedded-in-robot-toes-make-them-climb-like-cockroaches/ | Fish Hooks Embedded In Robot Toes Make Them Climb Like Cockroaches | Pat Whetman | [
"3d Printer hacks",
"Robots Hacks"
] | [
"Bio-inspired Mechanics",
"cockroach",
"fish hook",
"hexapod",
"Legged Locomotion",
"mechanical intelligence",
"microspine",
"robot"
] | Take a dozen or so fish hooks, progressively embed them in plastic with a 3D printer and attach them to the feet of your hexapod and you’ve got a giant cockroach!
A
team of researchers at Carnagie Mellon University
came up with this ingenious hack which can easily be copied by anybody with a hexpod and a 3D printer. He... | 5 | 4 | [
{
"comment_id": "6160380",
"author": "Steven",
"timestamp": "2019-06-28T21:23:53",
"content": "It’s not amazing to watch, but it’s a good approach and I hope they get farther with it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6160396",
"author": "Lord... | 1,760,373,864.589353 | ||
https://hackaday.com/2019/06/28/mitch-altman-mentors-manufacturing-with-hackaday-prize-expert-session/ | Mitch Altman Mentors Manufacturing With Hackaday Prize Expert Session | Brian Benchoff | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"Hackaday Prize",
"Mentor Sessions",
"Mentoring",
"Mitch Altman",
"product development"
] | For whatever you have built, there is someone who has done it longer, and knows more about it. That is the basic premise of expertise, and for this year’s Hackaday Prize we’re rolling out with
a series of mentor sessions
. These are master classes that match up experts in product development with the people behind the ... | 7 | 5 | [
{
"comment_id": "6160357",
"author": "Ostracus",
"timestamp": "2019-06-28T18:48:38",
"content": "“For whatever you have built, there is someone who has done it longer, and knows more about it.”Grandparents. :-D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "61... | 1,760,373,864.681221 | ||
https://hackaday.com/2019/07/01/wire-bender-aims-to-take-circuit-sculptures-to-the-next-level/ | Wire Bender Aims To Take Circuit Sculptures To The Next Level | Dan Maloney | [
"cnc hacks"
] | [
"anvil",
"art",
"bending",
"Circuit Sculpture",
"cnc",
"mandrel",
"stepper",
"wire"
] | It doesn’t seem as though bending wire would be much of a chore, but when you’re making art from your circuits, it can be everything. Just the right angle in just the right place can make the difference between a circuit sculpture that draws gasps and one that’s only “Meh.”
[Jiří Praus] creates circuit sculptures that ... | 28 | 9 | [
{
"comment_id": "6160908",
"author": "[Todd]",
"timestamp": "2019-07-01T21:02:27",
"content": "Cool! There was a commercial variant of this called DIWire that launched on kickstarter 5 or 6 years ago, but its a few thousand dollars now. Nice to see someone make a diy wire bending machine.",
"par... | 1,760,373,864.859428 | ||
https://hackaday.com/2019/07/01/farmbot-unveils-new-cnc-gardening-robot-models/ | FarmBot Unveils New CNC Gardening Robot Models | Jenny List | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"cnc",
"Farmbot",
"gardening",
"gardening robot"
] | Across the Northern Hemisphere it is now summer and the growing season is in full swing. Vigorous plants that will soon bear tasty fruit are springing forth from the soil, but unfortunately so are a lush carpet of weeds that require the constant attention of the gardener. “
If only there were a machine that could take ... | 16 | 10 | [
{
"comment_id": "6160872",
"author": "bull",
"timestamp": "2019-07-01T18:49:55",
"content": "they should have called it a G.E.C.K …",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6160874",
"author": "Gangus Khan",
"timestamp": "2019-07-01T18:56:14",
... | 1,760,373,864.916344 | ||
https://hackaday.com/2019/07/01/ask-hackaday-how-can-you-build-for-a-ten-millennia-lifespan/ | Ask Hackaday: How Can You Build For A Ten Millennia Lifespan? | Al Williams | [
"Ask Hackaday",
"Hackaday Columns",
"Interest",
"Original Art",
"Slider"
] | [
"bezos",
"clock",
"current events"
] | There’s been a lot of news lately about the Long Now Foundation and Jeff Bezos spending $42 million or so on
a giant mechanical clock
that is supposed to run for 10,000 years. We aren’t sure we really agree that it is truly a 10,000 year clock because it draws energy — in part — from people visiting it. As far as we ca... | 97 | 33 | [
{
"comment_id": "6160844",
"author": "macsimski",
"timestamp": "2019-07-01T17:18:57",
"content": "And lets nog forget the largest enemy of all: us. Wars and chaos has a huge inpact on stuff and knowledge. Remember it took us some centuries to reinvent concrete. So put your ticking clock somewere peo... | 1,760,373,865.184725 | ||
https://hackaday.com/2019/07/01/schools-in-session-with-arduboy-curriculum/ | School’s In Session With Arduboy Curriculum | Tom Nardi | [
"Arduino Hacks",
"Software Development"
] | [
"Arduboy",
"development",
"educational",
"school"
] | It’s hard not to be impressed by the Arduboy. In just a few short years, [Kevin Bates] went from proof of concept to a successful commercial product without compromising on his original open source goals. Today, anyone can develop a game for the Arduboy and have it distributed to owners all over the world for free. If ... | 6 | 4 | [
{
"comment_id": "6160843",
"author": "Misty Lackie",
"timestamp": "2019-07-01T17:18:13",
"content": "I love this! I purchased an Arduboy for my son awhile ago and can totally see the value in using it to teach kids how to code. I would love to try these out in one of my coding clubs that I run in sc... | 1,760,373,864.965975 | ||
https://hackaday.com/2019/07/01/nasas-green-fuel-seeks-safer-spaceflight-by-finally-moving-off-toxic-hydrazine/ | NASA’s “Green” Fuel Seeks Safer Spaceflight By Finally Moving Off Toxic Hydrazine | Tom Nardi | [
"Engine Hacks",
"Featured",
"Slider",
"Space"
] | [
"GPIM",
"hydrazine",
"hypergolic",
"monopropellant",
"nasa",
"rocket fuel",
"SpaceX",
"thruster"
] | Spaceflight is inherently dangerous. It takes a certain type of person to willingly strap into what’s essentially a refined bomb and hope for the best. But what might not be so obvious is that the risks involved aren’t limited to those who are personally making the trip. The construction and testing of space-bound vehi... | 35 | 19 | [
{
"comment_id": "6160804",
"author": "Christian Knopp",
"timestamp": "2019-07-01T14:38:58",
"content": "I hear that you can get hydrazine from Portobello mushrooms. At least, that’s what Paul Stamets has said.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,373,865.261063 | ||
https://hackaday.com/2019/07/01/logic-and-eeproms-bring-vga-to-life-sans-microcontroller/ | Logic And EEPROMs Bring VGA To Life, Sans Microcontroller | Dan Maloney | [
"Video Hacks"
] | [
"adapter",
"ayyy lmao",
"clock",
"discrete",
"divider",
"eeprom",
"hsync",
"logic",
"ttl",
"vga",
"video graphics array",
"vsync"
] | For whatever reason, the Video Graphics Array standard seems to attract a lot of hardware hacks. Most of them tend to center around tricking a microcontroller into generating the signals needed to send images to a VGA monitor. We love those hacks, but this one takes a different tack –
a microcontroller-free VGA display... | 9 | 5 | [
{
"comment_id": "6160830",
"author": "Tobi",
"timestamp": "2019-07-01T15:52:08",
"content": "An EEPROM *is* a microcontroller, no?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160983",
"author": "MSBOSS",
"timestamp": "2019-07-02T04:41:37"... | 1,760,373,865.30799 | ||
https://hackaday.com/2019/07/01/exploring-basement-humidity-with-a-raspberry-pi/ | Exploring Basement Humidity With A Raspberry Pi | Dan Maloney | [
"home hacks"
] | [
"data acquisition",
"dehumidifier",
"dht22",
"environmental",
"humidity",
"hvac",
"PiCam",
"raspberry pi",
"sensor"
] | Sometimes a hack isn’t about building something cool. Sometimes it’s more tactical, where the right stuff is cobbled together to gather the information needed to make decisions, or just to document some interesting phenomenon.
Take
this impromptu but thorough exploration of basement humidity
undertaken by [Matthias Wan... | 16 | 7 | [
{
"comment_id": "6160757",
"author": "Doppler",
"timestamp": "2019-07-01T10:31:09",
"content": "A lot of people do not realize what water does in the presence of air. Water is considered a contaminant in any industrial process. Knowing the dew-point of a gas is very important. From natural gas de... | 1,760,373,865.362311 | ||
https://hackaday.com/2019/06/27/magnetic-attraction-of-microduino-mcookie-modules/ | Magnetic Attraction Of Microduino MCookie Modules | Roger Cheng | [
"Arduino Hacks"
] | [
"arduino",
"Bay Area Maker Faire 2019",
"lego",
"lego mindstorms",
"magnet",
"magnetic",
"Maker Faire Bay Area",
"mCookie",
"MFBA",
"Microduino",
"pogo",
"Pogo pin"
] | We’ve seen countless different robot kits promoted for STEM education, every one of which can perform the robotic “Hello World” task of line following. Many were in attendance at Maker Faire Bay Area 2019 toiling in their endless loops. Walking past one such display by Microduino, Inc. our attention was caught by a dem... | 8 | 3 | [
{
"comment_id": "6160159",
"author": "Severe Tire Damage",
"timestamp": "2019-06-28T02:15:45",
"content": "Save us all from obnoxious animated graphics!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160264",
"author": "Maave",
"timestamp": ... | 1,760,373,865.411812 | ||
https://hackaday.com/2019/06/27/nuclear-reactor-simulator-is-the-project-of-a-lifetime/ | Nuclear Reactor Simulator Is The Project Of A Lifetime | Tom Nardi | [
"classic hacks",
"Raspberry Pi"
] | [
"7404",
"annunciator",
"Chernobyl",
"io expander",
"Nuclear Reactor",
"simulator"
] | Have you been watching
Chernobyl
? Well, so has everyone else. Right now it seems the whole Internet is comprised of armchair dosimetrists counting roentgens in their sleep, but [Mark Wright] doesn’t need a high-budget TV show to tell him about the challenges of wrangling the atom with 1980s technology. He’s done it fo... | 39 | 17 | [
{
"comment_id": "6160138",
"author": "Jan Helebrant (@jhelebrant)",
"timestamp": "2019-06-27T23:12:36",
"content": "I remember our NPP operator ČEZ Group a.s. had some simulator on their website. I found it here:https://www.cez.cz/cs/o-cez/vzdelavani-a-vyzkum/energetika-zabavne/nainstalujte-si/jader... | 1,760,373,865.553193 | ||
https://hackaday.com/2019/06/27/custom-machined-pump-keeps-cnc-lubrication-under-control/ | Custom Machined Pump Keeps CNC Lubrication Under Control | Dan Maloney | [
"cnc hacks"
] | [
"arduino",
"cnc",
"coolant",
"flood",
"lube",
"lubrication",
"minimum quantity lubrication",
"MQL",
"pump"
] | Rub two pieces of metal against each other hard enough, and it won’t be long before they heat up sufficiently to cause problems. That’s especially true when one is a workpiece and one is a tool edge, and the problems that arise from failing to manage the heat produced by friction can cost you dearly.
The traditional wa... | 19 | 9 | [
{
"comment_id": "6160126",
"author": "Bruce Perens K6BP",
"timestamp": "2019-06-27T21:42:58",
"content": "I wouldn’t want to breathe it, have it accumulate on nearby surfaces, or have it explode, deflagrate, burn on surfaces, etc. These are soluble problems, but attention should be paid to them by a... | 1,760,373,865.472244 | ||
https://hackaday.com/2019/06/27/replacement-batteries-for-the-sony-discman/ | Replacement Batteries For The Sony Discman | Brian Benchoff | [
"classic hacks"
] | [
"2019 Hackaday Prize",
"discman",
"lipo",
"lipo battery",
"sony",
"Sony Discman"
] | Some of the first Sony Discmans included rechargeable batteries. These batteries were nickel metal hydride batteries (because of the technology of the time) and are now well past their service life. The new hotness in battery technology is lithium — it offers greater power density, lighter weight, and a multitude of re... | 24 | 10 | [
{
"comment_id": "6160099",
"author": "Andrew",
"timestamp": "2019-06-27T19:21:27",
"content": "I have one of the original Discmans (Discmen?) from the 80s, the whole bottom of the unit is a battery pack, and there is a warning in the manual to always recharge the battery after any use, no matter how... | 1,760,373,865.694967 | ||
https://hackaday.com/2019/06/27/brett-smith-makes-your-life-easier-with-hidden-microcontroller-features/ | Brett Smith Makes Your Life Easier With Hidden Microcontroller Features | Jenny List | [
"cons",
"Hackaday Columns",
"Microcontrollers"
] | [
"2018 Hackaday Superconference",
"2019 Hackaday Superconference",
"Brett Smith",
"code",
"microcontroller",
"Supercon"
] | There was a time when microprocessors were slow and expensive devices that needed piles of support chips to run, so engineers came up with ingenious tricks using extra hardware preprocessing inputs to avoid having to create more code. It would be common to find a few logic gates, a comparator, or even the ubiquitous 55... | 37 | 12 | [
{
"comment_id": "6160092",
"author": "Greg Kennedy",
"timestamp": "2019-06-27T18:55:51",
"content": "tl;dr: read the datasheet! :P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160096",
"author": "Ostracus",
"timestamp": "2019-06-27T19:05:... | 1,760,373,865.634998 | ||
https://hackaday.com/2019/06/27/testing-brushless-motors-with-a-little-help-from-the-esc/ | Testing Brushless Motors With A Little Help From The ESC | Lewin Day | [
"classic hacks"
] | [
"brushless motor",
"dshot",
"esc"
] | These days, brushless motors are the go-to for applications requiring high power in a compact package. It’s possible to buy motors in all manner of different configurations off the shelf, and the range available is only getting better. However, sometimes getting something truly optimal requires a bit of customization. ... | 6 | 5 | [
{
"comment_id": "6160065",
"author": "Andy Pugh",
"timestamp": "2019-06-27T15:44:53",
"content": "In a previous job I designed dynamometers for small motors. The fundamental principle is pretty simple:The motor under test it connected to the front of the dyno. (If I was doing this now I would use an... | 1,760,373,865.736206 | ||
https://hackaday.com/2019/06/27/reverse-engineering-cyclic-redundancy-codes/ | Reverse Engineering Cyclic Redundancy Codes | Ted Yapo | [
"Featured",
"Original Art",
"Skills",
"Slider"
] | [
"crc",
"cyclic redundancy code",
"reverse engineering",
"rfid",
"rfid hacks"
] | Cyclic redundancy codes (CRC) are a type of checksum commonly used to detect errors in data transmission. For instance, every Ethernet packet that brought you the web page you’re reading now carried with it a frame check sequence that was calculated using a CRC algorithm. Any corrupted packets that failed the check wer... | 17 | 8 | [
{
"comment_id": "6160057",
"author": "Antron Argaiv",
"timestamp": "2019-06-27T15:14:33",
"content": "Wow. That’s some nice work. Takes me back to grad school and _Peterson and Weldon_",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6160059",
"autho... | 1,760,373,866.464168 | ||
https://hackaday.com/2019/06/27/the-digital-polaroid-sx-70/ | The Digital Polaroid SX-70 | Jenny List | [
"digital cameras hacks"
] | [
"instant camera",
"polaroid",
"Polaroid SX-70",
"Raspberry pi camera"
] | What do you do if you own an iconic and unusual camera from decades past? Do you love it and cherish it, buy small quantities of its expensive remanufactured film and take arty photographs? Or do you rip it apart and remake it as a modern-day digital camera in a retro enclosure? If you’re [Joshua Gross],
you do the lat... | 15 | 14 | [
{
"comment_id": "6160025",
"author": "Jerry",
"timestamp": "2019-06-27T13:11:54",
"content": "Darn, I was hoping to see a tiny printer, or at least a small speaker to make the loud whine and clicks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6160028",
... | 1,760,373,866.241177 | ||
https://hackaday.com/2019/06/27/led-matrix-becomes-fun-tetris-clock/ | LED Matrix Becomes Fun Tetris Clock | Lewin Day | [
"clock hacks"
] | [
"clock",
"ESP-01",
"tetris"
] | Sometimes a project is borne simply out of the fact that some interesting parts have been left sitting around too long. Of course, this is as good a reason to build as any other, and can often lead to some interesting results.
[Jorj Bauer]’s Tetris Display is one such project
.
The project started because [Jorj] had an... | 1 | 1 | [
{
"comment_id": "6160173",
"author": "bandit",
"timestamp": "2019-06-28T03:56:29",
"content": "cute",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,866.599067 | ||
https://hackaday.com/2019/06/26/smart-bike-helmet-is-wireless/ | Smart Bike Helmet Is Wireless | Al Williams | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"brake light",
"helmet",
"motorcycle",
"motorcycle helmet",
"turn signal",
"wireless"
] | If you ride a bike, you probably share the road with a lot of cars. Unfortunately, they don’t always share the road very well with you. [Mech Tools] took a helmet, a few Arduinos, and some wireless transceivers and made
headgear that shows when you stop and also shows turn signals
. We were a little surprised, though, ... | 16 | 4 | [
{
"comment_id": "6159972",
"author": "qwert",
"timestamp": "2019-06-27T05:42:12",
"content": "If only there were some way to attach these to the bike itself. Might not need to compromise critical safety gear. Heck, might not even need to be wireless or involve microcontrollers.",
"parent_id": nu... | 1,760,373,866.294576 | ||
https://hackaday.com/2019/06/26/packprobe-reports-laptop-battery-health/ | PackProbe Reports Laptop Battery Health | Lewin Day | [
"classic hacks"
] | [
"batteries",
"battery",
"i2c",
"laptop batteries",
"laptop battery",
"smart battery system",
"SMBus"
] | The 18650 cell has become a ubiquitous standard in the lithium battery world. From power drills to early Tesla vehicles, these compact cells power all manner of portable devices. A particularly common use is in laptop batteries, where they’re often built into a pack using the Smart Battery System. This creates a smart ... | 11 | 7 | [
{
"comment_id": "6159952",
"author": "Saabman",
"timestamp": "2019-06-27T02:15:47",
"content": "That is sweet – I’ve been looking into making something similar – thank you",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6159955",
"author": "ROB",
"time... | 1,760,373,866.345511 | ||
https://hackaday.com/2019/06/26/trick-shot-bot-flings-balls-into-wine-glass-every-time/ | Trick Shot Bot Flings Balls Into Wine Glass Every Time | Dan Maloney | [
"Misc Hacks"
] | [
"arduino",
"ballistic",
"beer pong",
"momentum",
"motor",
"ping pong",
"release"
] | We’ve heard of beer pong, but we’re not sure we’ve heard of wine pong. And certainly never wine pong automated with
a ping pong ball throwing robot like this one
.
There’s not a huge amount of detail available in the video below, and no build log
per se
. But [Electron Dust] has a few shots in the video that explain wh... | 7 | 4 | [
{
"comment_id": "6159938",
"author": "Jon H",
"timestamp": "2019-06-27T01:39:20",
"content": "Pfft. Any guy can do that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6159994",
"author": "sjw",
"timestamp": "2019-06-27T08:25:10",
"content": "Excep... | 1,760,373,866.18864 | ||
https://hackaday.com/2019/06/26/how-do-you-get-pci-e-on-the-atomic-pi-very-carefully/ | How Do You Get PCI-E On The Atomic Pi? Very Carefully. | Tom Nardi | [
"computer hacks",
"hardware"
] | [
"Atomic Pi",
"ethernet",
"intel atom",
"magnet wire",
"pci express",
"PCI-E"
] | At this point, you’ve almost certainly heard about the Atomic Pi. The diminutive board that once served as the guts of a failed robot now lives on as a powerful x86 SBC available at a fire sale price. How long you’ll be able to buy them and what happens when the initial stock runs out is another story entirely, but the... | 18 | 7 | [
{
"comment_id": "6159893",
"author": "rob",
"timestamp": "2019-06-26T20:45:35",
"content": "As hardware mods go, this is my favorite flavor :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6159895",
"author": "X__Spider__X",
"timestamp": "2019-06-26T2... | 1,760,373,866.407093 | ||
https://hackaday.com/2019/06/26/stopping-a-bench-grinder-quickly/ | Stopping A Bench Grinder Quickly | Brian Benchoff | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2019 Hackaday Prize",
"bench grinder",
"grinder",
"sawstop"
] | In every workshop ever, there’s a power tool that goes unnoticed. It’s the bench grinder. It’s useful when you need it, and completely invisible when you don’t. We take the bench grinder for granted, in part because we keep it over there with that box of oily rags, and partly because it’s so unassuming.
But you can rea... | 56 | 19 | [
{
"comment_id": "6159841",
"author": "RB",
"timestamp": "2019-06-26T18:49:49",
"content": "What a fantastic idea!I hope there will still be a model for the (single phase) home shop. Would be very welcome on many other common tools: circular saws, chop saws, smaller tablesaws, benchtop/wood lathes, ... | 1,760,373,866.817199 | ||
https://hackaday.com/2019/06/25/copy-protection-in-the-80s-showcased-by-classic-game-dungeon-master/ | Copy Protection In The 80s, Showcased By Classic Game Dungeon Master | Donald Papp | [
"classic hacks",
"Games"
] | [
"copy protection",
"diskette",
"drm",
"dungeon master",
"games",
"gaming",
"retro"
] | Making a copy of a purchased game used to be as simple as copying a disk. As the game industry grew, so did fear of revenue loss which drove investment in countermeasures. These mainly consisted of preventing the easy duplication of magnetic diskettes, or having users jump through tiresome hoops like entering specific ... | 44 | 20 | [
{
"comment_id": "6159291",
"author": "xorpunk",
"timestamp": "2019-06-25T08:17:16",
"content": "From what I remember all DRM then were just byte manipulation based on disk controller behavior. Now days you have inline layer-encrypted or even byte-streamed virtual machines that take far longer to rev... | 1,760,373,866.72377 | ||
https://hackaday.com/2019/06/24/plasma-globe-reveals-your-next-clue/ | Plasma Globe Reveals Your Next Clue | Sven Gregori | [
"Arduino Hacks"
] | [
"arduino",
"escape room",
"linear actuator",
"plasma globe",
"puzzle"
] | If you like solving puzzles out in the real world, you’ve probably been to an escape room before, or are at least familiar with its concept of getting (voluntarily) locked inside a place and searching for clues that will eventually lead to a key or door lock combination that gets you out again. And while there are plen... | 7 | 3 | [
{
"comment_id": "6159293",
"author": "pingusfecit",
"timestamp": "2019-06-25T08:40:14",
"content": "The use of plasma ball as touch sensors is awesome.Nevertheless, are not INA219 a bit of overkill here compared to simply sensing the current with Arduino’s ADC through a resistor ?",
"parent_id":... | 1,760,373,866.640151 | ||
https://hackaday.com/2019/06/24/small-lightsail-will-propel-cubesat/ | Small Lightsail Will Propel Cubesat | Al Williams | [
"News",
"Space"
] | [
"light sail",
"solar sail",
"space travel"
] | If you read science fiction, you are probably familiar with the idea of a light or solar sail. A very large and lightweight sail catches solar “wind” that accelerates a payload connected to the sail. Some schemes replace the sun with a laser. Like most things, sails have pros and cons. They don’t require you to carry f... | 19 | 5 | [
{
"comment_id": "6159246",
"author": "kramboz",
"timestamp": "2019-06-25T02:19:07",
"content": "This is cute. Wake me up when they start testing M2P2 drives. That thrust has been described as “bat out of hell”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,373,867.099477 | ||
https://hackaday.com/2019/06/24/dry-your-boots-with-the-internet-of-things/ | Dry Your Boots With The Internet Of Things | Lewin Day | [
"Misc Hacks"
] | [
"boot",
"boots",
"ESP32",
"footwear"
] | If you live somewhere cold, where the rain, snow and slush don’t abate for weeks at a time, you’ve probably dealt with wet boots. On top of the obvious discomfort, this can lead to problems with mold and cause blisters during extended wear. For this reason, boot dryers exist. [mark] had a MaxxDry model that had a timer... | 16 | 9 | [
{
"comment_id": "6159210",
"author": "mark",
"timestamp": "2019-06-24T23:15:18",
"content": "Really excited to see my project posted on here!“For the price of a cheap devboard and a couple of relays” isn’t super accurate though, I did get a custom designed PCB manufactured for this project, and ende... | 1,760,373,867.043355 |
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