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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2019/05/16/building-an-esp8266-game-system-with-micropython/ | Building An ESP8266 Game System With MicroPython | Tom Nardi | [
"handhelds hacks",
"Microcontrollers"
] | [
"analog stick",
"handheld game",
"micropython",
"oled",
"SSD1106",
"wemos d1 mini",
"ws2812b"
] | After a seemingly endless stream of projects that see the ESP8266 open doors or report the current temperature, it can be easy to forget just how powerful the little WiFi-enabled microcontroller really is. In fact, you could argue that most hackers aren’t even scratching the surface of what the hardware is actually cap... | 6 | 6 | [
{
"comment_id": "6149816",
"author": "Bill",
"timestamp": "2019-05-16T23:52:08",
"content": "Nice! Well done",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149825",
"author": "Amy Shah",
"timestamp": "2019-05-17T01:23:30",
"content": "Great work y... | 1,760,373,929.693317 | ||
https://hackaday.com/2019/05/16/the-raspberry-pi-portable-console-you-wish-you-had/ | The Raspberry Pi Portable Console You Wish You Had | Brian Benchoff | [
"Raspberry Pi"
] | [
"2019 Hackaday Prize",
"console",
"raspberry pi",
"retro"
] | A retro game console is a fun all-arounder project. You’ve got electronics, mechanical design, and software considerations. For this year’s Hackaday Prize, is going all in.
The Portable Retro Game Console with 7.9-inch Display
is a work of art, and everything that a retro console could be.
This build is based on the R... | 35 | 17 | [
{
"comment_id": "6149731",
"author": "DKE",
"timestamp": "2019-05-16T18:50:57",
"content": "Oh look, the domain name RaspberryPiShovedIntoABoxaDay dot com IS available……",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149735",
"author": "Canuckfire",... | 1,760,373,930.157926 | ||
https://hackaday.com/2019/05/15/an-open-source-esc-for-brushless-motors/ | An Open Source ESC For Brushless Motors | Lewin Day | [
"classic hacks"
] | [
"BLDC",
"brushless motor",
"esc",
"speed controller"
] | For something basic like a brushed DC motor, speed control can be quite simple, and powering up the motor is a simple matter of just applying voltage. Brushless motors are much more demanding in their requirements however, and won’t spin unless driven
just right
. [Electronoobs] has been exploring the design of a brush... | 18 | 11 | [
{
"comment_id": "6149525",
"author": "steven",
"timestamp": "2019-05-15T23:13:38",
"content": "Perhaps, by version 3 it might have regenerative braking?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149544",
"author": "jrfl",
"timestamp": "2019-05-16... | 1,760,373,929.747766 | ||
https://hackaday.com/2019/05/15/lifelike-dinosaur-emerges-from-the-plumbing-aisle/ | Lifelike Dinosaur Emerges From The Plumbing Aisle | Tom Nardi | [
"Wearable Hacks"
] | [
"animatronic",
"costume",
"dinosaur",
"foam",
"PVC"
] | Despite the incredible advancements in special effects technology since the film’s release, the dinosaurs in 1993’s
Jurassic Park
still look just as terrifying today as they did nearly 30 years ago. This has largely been attributed to the fact that the filmmakers wisely decided to use physical models in many of the clo... | 26 | 19 | [
{
"comment_id": "6149487",
"author": "Ren",
"timestamp": "2019-05-15T20:09:56",
"content": "Very good!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149489",
"author": "Tentoes",
"timestamp": "2019-05-15T20:14:52",
"content": "Wow, Esmée! I’m afr... | 1,760,373,930.01704 | ||
https://hackaday.com/2019/05/15/perfecting-the-open-source-rc-controller/ | Perfecting The Open Source RC Controller | Tom Nardi | [
"The Hackaday Prize",
"Wireless Hacks"
] | [
"2019 Hackaday Prize",
"dual screen",
"ESP32",
"FPV",
"MCP23017",
"rc controller",
"RC transmitter"
] | Over the last few months we’ve seen an influx of homebrew RC controllers come our way, and we’re certainly not complaining. While the prices of commercial RC transmitters are at an all-time low, and many of them can even run an open source firmware, there’s still nothing quite like building the thing yourself. How else... | 8 | 2 | [
{
"comment_id": "6149521",
"author": "Bill K.",
"timestamp": "2019-05-15T22:43:39",
"content": "And if the control sticks are junk, this control system will be an epic fail. Where are the receivers? DSM? DSMX? Futaba protocol? FrSky? We already have a really good open source system in the FrSky of... | 1,760,373,929.894595 | ||
https://hackaday.com/2019/05/15/2019-cornell-cup-winners-include-autonomous-boat-flapping-uav-and-leaping-rover/ | 2019 Cornell Cup Winners Include Autonomous Boat, Flapping UAV, And Leaping Rover | Tom Nardi | [
"contests",
"Hackaday Columns",
"Interest"
] | [
"autonomous boat",
"college",
"Cornell Cup",
"ornithopter",
"rover",
"uav",
"wildfire"
] | For college-aged engineers and designers, finding a problem they’re truly passionate about early on could very well set the trajectory for an entire career. This is precisely the goal of the Cornell Cup, a competition that tasks applicants with
solving a real-world problem in a unique and interesting way
. From what we... | 5 | 5 | [
{
"comment_id": "6149490",
"author": "Ren",
"timestamp": "2019-05-15T20:22:51",
"content": "Awesome, I wish I could have been there!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149516",
"author": "Hirudinea",
"timestamp": "2019-05-15T22:21:03",
... | 1,760,373,929.949582 | ||
https://hackaday.com/2019/05/15/this-saturday-meetup-with-hackaday-tindie-and-kickstarter/ | This Saturday: Meetup With Hackaday, Tindie, And Kickstarter | Mike Szczys | [
"cons",
"Hackaday Columns",
"Original Art"
] | [
"Bay Area Maker Faire 2019",
"kickstarter",
"meetup",
"MFBA",
"Tindie"
] | If you’re near San Francisco this weekend, this is what you should be doing. It’s
The 6th Annual Hackaday x Tindie MFBA Meetup w/ Kickstarter
.
Come hang out with the hardware hackers and bring along a project of your own to get the conversation going. We’re excited to move to a new, larger venue this year. All the goo... | 2 | 2 | [
{
"comment_id": "6149445",
"author": "kaaaaaaaaaang",
"timestamp": "2019-05-15T16:21:18",
"content": "The design is cool, but that robot looks like a ripoff of Canti from FLCL anime. Anyway, I like It.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149506",
... | 1,760,373,929.793684 | ||
https://hackaday.com/2019/05/15/emotigun-sends-a-stinging-message/ | Emotigun Sends A Stinging Message | Lewin Day | [
"classic hacks"
] | [
"emoji",
"emoticons",
"rubber bands",
"slingshot"
] | Emojis, the graphical descendants of textual emoticons, are everywhere these days. They’re commonly used on social media platforms as a way of indicating a basic emotional response to a post. That wasn’t enough for [Tadas Maksimovas],
who built the Emotigun to really get the point across.
Fundamentally, the Emotigun is... | 11 | 10 | [
{
"comment_id": "6149418",
"author": "JWhitten",
"timestamp": "2019-05-15T15:05:12",
"content": "Okey doke.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149425",
"author": "Ren",
"timestamp": "2019-05-15T15:26:43",
"content": "I expected the emo... | 1,760,373,929.839507 | ||
https://hackaday.com/2019/05/15/the-great-ohio-key-fob-mystery-or-honey-i-jammed-the-neighborhood/ | The Great Ohio Key Fob Mystery, Or “Honey, I Jammed The Neighborhood!” | Dan Maloney | [
"Current Events",
"Featured",
"News",
"Original Art",
"Slider",
"Wireless Hacks"
] | [
"fcc",
"jamming",
"keyfob",
"regulations",
"whoops",
"wireless"
] | Hack long enough and hard enough, and it’s a pretty safe bet that you’ll eventually cause unintentional RF emissions. Most of us will likely have our regulatory transgression go unnoticed. But for one unlucky hacker in Ohio, a simple project ended up with a knock at the door by local authorities and pointed questions t... | 91 | 27 | [
{
"comment_id": "6149392",
"author": "gregg4",
"timestamp": "2019-05-15T14:08:17",
"content": "Actually it makes perfectly good sense. Too much of it. But why that oddball frequency?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149398",
"author": ... | 1,760,373,930.351622 | ||
https://hackaday.com/2019/05/16/fun-with-negative-resistance-ii-unobtanium-russian-tunnel-diodes/ | Fun With Negative Resistance II: Unobtanium Russian Tunnel Diodes | Ted Yapo | [
"classic hacks",
"Hackaday Columns",
"hardware",
"Original Art",
"Parts",
"Slider"
] | [
"curve tracer",
"negative resistance",
"oscillator",
"Tunnel diode"
] | In the first part of this series, we took a look at a “toy” negative-differential-resistance circuit made from two ordinary transistors. Although this circuit allows experimentation with negative-resistance devices without the need to source rare parts, its performance is severely limited. This is not the case for actu... | 24 | 12 | [
{
"comment_id": "6149716",
"author": "dl3pb",
"timestamp": "2019-05-16T17:42:44",
"content": "Four years ago I made two transatlantic (Ham) radio contacts (Morse code) with a homemade transceiver, entirely built from diodes as the only active devices. Two russian GaAs tunnel-diodes with 100mA peak c... | 1,760,373,930.087633 | ||
https://hackaday.com/2019/05/16/a-better-bowden-drive-for-floppy-filaments/ | A Better Bowden Drive For Floppy Filaments | Dan Maloney | [
"3d Printer hacks"
] | [
"bowden",
"extruder",
"flexible filament",
"hot end",
"tpe",
"TPU"
] | You might not think to use the word “rigid” to describe most 3D-printer filaments, but most plastic filaments are actually pretty stiff over a short length, stiff enough to be pushed into an extruder. Try the same thing with a softer plastic like TPE, though, and you might find yourself looking at
this modified Bowden ... | 7 | 5 | [
{
"comment_id": "6149685",
"author": "Ren",
"timestamp": "2019-05-16T15:35:16",
"content": "At first I wondered what was the advantage of the spool holder pictured next to the drive in the banner photo.Then, I realized, it’s a chess piece!",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,373,930.399104 | ||
https://hackaday.com/2019/05/16/it-is-quite-possible-this-could-be-the-last-bay-area-maker-faire/ | It Is ‘Quite Possible’ This Could Be The Last Bay Area Maker Faire | Brian Benchoff | [
"cons",
"Current Events",
"Featured",
"News",
"Slider"
] | [
"Bay Area Maker Faire 2019",
"maker faire",
"Maker Media"
] | The Bay Area Maker Faire is this weekend,
and this might be the last one
. This report comes from the San Francisco Chronicle, and covers the continuing problems of funding and organizing what has been called
The Greatest Show and Tell on Earth
. According to Maker Media CEO Dale Dougherty, “it is ‘quite possible’ that... | 111 | 40 | [
{
"comment_id": "6149657",
"author": "Ren",
"timestamp": "2019-05-16T14:07:41",
"content": "You won’t see me there, SF is too far, and too expensive for me.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149682",
"author": "McAllister",
"tim... | 1,760,373,930.671073 | ||
https://hackaday.com/2019/05/16/pocketpi-is-exactly-what-it-sounds-like/ | PocketPi Is Exactly What It Sounds Like | Lewin Day | [
"Raspberry Pi"
] | [
"Pi Zero W",
"raspberry pi"
] | The Raspberry Pi line of single-board computers are remarkably useful things, but they generally require some accessories to be hooked up to become a useful computing platform. [Ramin Assadollahi] wanted a pocket-sized computer to work on without the distractions so common on smartphones,
so whipped up the PocketPi to ... | 39 | 12 | [
{
"comment_id": "6149620",
"author": "Tim Trzepacz",
"timestamp": "2019-05-16T11:23:29",
"content": "It is a neat project, but man, that is some seriously coarse 3d printing…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149634",
"author": "Shannon... | 1,760,373,930.74314 | ||
https://hackaday.com/2019/05/16/an-impeccably-designed-high-speed-led-flash/ | An Impeccably Designed High-Speed LED Flash | Tom Nardi | [
"LED Hacks",
"Microcontrollers"
] | [
"atmega328p",
"high speed photography",
"LED flash",
"mosfet",
"TC4452"
] | If you want to take a picture of something fast, and we mean
really
fast, you need to have a suitably rapid flash to illuminate it. A standard camera flash might be good enough to help capture kids running around the back yard at night, but it’s not going to do you much good if you’re trying to get a picture of a bulle... | 58 | 13 | [
{
"comment_id": "6149589",
"author": "FredS",
"timestamp": "2019-05-16T08:46:38",
"content": "It is funny that in both articles (this and ballistic chronometer) are about fast things and Tom Nardi start by mentioning kids running :)“A standard camera flash might be good enough to help capture kids r... | 1,760,373,930.520899 | ||
https://hackaday.com/2019/05/15/midi-synthesizer-from-a-sega-genesis/ | MIDI Synthesizer From A Sega Genesis | Bryan Cockfield | [
"Musical Hacks"
] | [
"AVR",
"genesis",
"midi",
"music",
"sega",
"synthesizer",
"yamaha",
"YM2612"
] | [Aidan] is really into FM synthesis chips for creating audio, and one of the most interesting chips from that era is found on the Sega Genesis. Anyone involved in the console wars at that time certainly remembers the classic, unique sound that those video game systems were able to produce, so [Aidan] built a device usi... | 14 | 6 | [
{
"comment_id": "6149585",
"author": "S_Hennig",
"timestamp": "2019-05-16T07:56:17",
"content": "There is something afoul, methinks. When one compares the sound quality between the old MegaMidi-video and this, one has to notice that the current video demonstrates noise/hissing on the audio signal. A... | 1,760,373,930.93956 | ||
https://hackaday.com/2019/05/15/air-compressor-from-fridge-parts-gets-an-upgrade/ | Air Compressor From Fridge Parts Gets An Upgrade | Lewin Day | [
"Tool Hacks"
] | [
"air compressor",
"compressor",
"fridge"
] | Air compressors are often loud, raucous machines – but they don’t have to be. [Eric Strebel] built a remarkably quiet compressor using parts salvaged from an old fridge.
After several years of use, it was due for an upgrade (Youtube link, embedded below}
.
While performance of the original setup was good, [Eric] desire... | 21 | 9 | [
{
"comment_id": "6149549",
"author": "Ren",
"timestamp": "2019-05-16T02:12:07",
"content": "My church has an air compressor to supply air to the hot water heating valves.I think it has about a 20 gallon (75L?) tank.Last month I decided to see if anyone periodically drains the moisture from the tank.... | 1,760,373,931.048239 | ||
https://hackaday.com/2019/05/14/the-amazing-new-world-of-gallium-nitride/ | The Amazing New World Of Gallium Nitride | Brian Benchoff | [
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"Blue LEDs",
"Gallium Nitride",
"GaN",
"materials science",
"physics"
] | From the heart of Silicon Valley comes a new buzzword. Gallium nitride is the future of power technology.
Tech blogs are touting gallium nitride as the silicon of the future
, and you are savvy enough to get in on the ground floor. Knowing how important gallium nitride is makes you a smarter, better consumer. You are a... | 62 | 23 | [
{
"comment_id": "6149169",
"author": "Brian",
"timestamp": "2019-05-14T17:33:45",
"content": "Why did the maker build with silicon transistors?He bought so many he felt that he needed to keep using them until they were all GaN!You’re welcome for that.",
"parent_id": null,
"depth": 1,
"re... | 1,760,373,931.404754 | ||
https://hackaday.com/2019/05/14/your-masterclass-in-product-design-hackaday-prize-mentor-sessions/ | Your Masterclass In Product Design: Hackaday Prize Mentor Sessions | Mike Szczys | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"breakfastny",
"Bunnie Huang",
"bunniestudios",
"Mentor Sessions",
"Supplyframe DesignLab"
] | New to this year’s
Hackaday Prize
is a set of live mentor sessions and you’re invited! Being at the center of a successful product design project means having an intuitive sense in many, many areas; from industrial design and product packaging, to manufacturing and marketing. This is your chance to learn from those exp... | 3 | 3 | [
{
"comment_id": "6149203",
"author": "vic",
"timestamp": "2019-05-14T19:34:26",
"content": "Don’t see much gray here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149211",
"author": "ConcernedReader",
"timestamp": "2019-05-14T20:05:20",
"content... | 1,760,373,930.989704 | ||
https://hackaday.com/2019/05/14/for-better-photogrammetry-just-add-a-donut/ | For Better Photogrammetry, Just Add A Donut | Kristina Panos | [
"3d Printer hacks",
"how-to",
"Misc Hacks"
] | [
"3d scanner",
"donut",
"lazy susan bearing",
"Photogrammetry"
] | If you don’t have access to a 3D scanner, you can get a lot done with photogrammetry. Basically, you take a bunch of pictures of an object from different angles, and then stitch them together with software to create a 3D model. For best results, you need consistent, diffuse lighting, an unchanging background, and a ste... | 19 | 6 | [
{
"comment_id": "6149143",
"author": "Jerry",
"timestamp": "2019-05-14T16:16:51",
"content": "Sweet..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149151",
"author": "steve",
"timestamp": "2019-05-14T16:51:06",
"content": "Any thoughts on how we... | 1,760,373,931.19048 | ||
https://hackaday.com/2019/05/14/what-happened-with-supermicro/ | What Happened With Supermicro? | Bob Baddeley | [
"Business",
"Current Events",
"Featured",
"Security Hacks"
] | [
"backdoor",
"Bloomberg",
"hardware",
"Huawei",
"server"
] | Back in October 2018, a bombshell rocked the tech industry when Bloomberg reported that some motherboards made by Supermicro had malicious components on them that were used to spy or interfere with the operation of the board, and that these motherboards were found on servers used by Amazon and Apple. We covered the eve... | 45 | 14 | [
{
"comment_id": "6149109",
"author": "Ostracus",
"timestamp": "2019-05-14T14:09:58",
"content": "“Many manufacturers are leaving China and moving to other countries, as the threat of China hacking, the increasing costs of labor, quality concerns, and rising tariffs make moving more and more appealin... | 1,760,373,931.136368 | ||
https://hackaday.com/2019/05/14/this-is-the-raspberry-pi-mini-laptop-that-we-want/ | This Is The Raspberry Pi Mini Laptop That We Want | Jenny List | [
"Raspberry Pi"
] | [
"laptop",
"palmtop",
"raspberry pi laptop"
] | In the seven years since the Raspberry Pi was first launched to an expectant audience we have seen many laptops featuring the fruit-themed single board computers. Some of them have been pretty jaw-dropping in their quality, so for a new one to make us stop and gape it needs to be something really special. On cue, here ... | 52 | 20 | [
{
"comment_id": "6149091",
"author": "jawnhenry",
"timestamp": "2019-05-14T12:06:08",
"content": "What would it cost to build this?j",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149112",
"author": "OldSurferDude",
"timestamp": "2019-05-14T... | 1,760,373,931.491353 | ||
https://hackaday.com/2019/05/14/in-this-aussies-back-yard-no-cat-is-safe-from-an-automated-soaking/ | In This Aussie’s Back Yard, No Cat Is Safe From An Automated Soaking! | Jenny List | [
"home hacks"
] | [
"cat",
"pir",
"solenoid"
] | Some of us here at Hackaday are cat lovers, but we also understand that a plethora of unwanted cats using a suburban back garden can be bothersome, and a few years ago we featured a project from Aussie YouTuber [Craig Turner], in which he created a motion-detecting water spray for use as a relatively harmless cat repel... | 32 | 11 | [
{
"comment_id": "6149056",
"author": "Martin",
"timestamp": "2019-05-14T08:33:40",
"content": "There is no justification to repel cats. They are the loveliest animals.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149059",
"author": "ThisGuy",
... | 1,760,373,931.560862 | ||
https://hackaday.com/2019/05/13/led-panel-lamp-is-a-great-way-to-use-protoboard/ | LED Panel Lamp Is A Great Way To Use Protoboard | Lewin Day | [
"LED Hacks"
] | [
"lamp",
"led",
"protoboard"
] | It’s now possible to source chip-on-board LED modules that have huge light output in a simple, easy to use package. However they can have major power requirements, and cheaper modules are also susceptible to dead spots. [Heliox] put together a great LED lamp design the old-school way, showing
there’s more than one way... | 9 | 5 | [
{
"comment_id": "6149023",
"author": "rudiahlers",
"timestamp": "2019-05-14T05:13:58",
"content": "Thanx for sharing this great hack!If I may ask, why don’t you use a limiting resistor on this board?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149029",
... | 1,760,373,931.606523 | ||
https://hackaday.com/2019/05/13/analog-failures-on-rf-product-cause-production-surprise/ | Analog Failures On RF Product Cause Production Surprise | Kerry Scharfglass | [
"hardware"
] | [
"bootloader",
"factory",
"fet",
"glitching",
"hackrf one",
"manufacturing",
"manufacturing problem",
"operator",
"pcb",
"pcba",
"reverse engineering",
"rom"
] | A factory is a machine. It takes a fixed set of inputs – circuit boards, plastic enclosures, optimism – and produces a fixed set of outputs in the form of assembled products. Sometimes it is comprised of real machines (see any recent video of a Tesla assembly line) but more often it’s a mixture of mechanical machines a... | 15 | 8 | [
{
"comment_id": "6149021",
"author": "Alan",
"timestamp": "2019-05-14T04:38:34",
"content": "TLDR version: activating RF power supply put spike on main power. Depending on tolerances, that spike could reset the cpu.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,931.664082 | ||
https://hackaday.com/2019/05/13/led-jewelry-makes-neat-use-of-brass/ | LED Jewelry Makes Neat Use Of Brass | Lewin Day | [
"LED Hacks"
] | [
"brass",
"jewelry",
"led"
] | Wearable electronics can be both fun and fashionable. However, there are certain challenges involved in neatly integrating electronic components in a way that is both functional and comfortable for the wearer. In this vein,
[Jiri Praus] has managed to create some glowing earrings that are remarkably simple to boot.
The... | 7 | 3 | [
{
"comment_id": "6149006",
"author": "besenyeim",
"timestamp": "2019-05-14T01:43:24",
"content": "I love the look of them. I have two thoughts:CR batteries are not rechargeable. There are some in the same sizes, but I didn’t see it mentioned in the instructable. Not really environmentally friendly o... | 1,760,373,931.71176 | ||
https://hackaday.com/2019/05/13/video-doorbell-focuses-on-quality-aesthetic/ | Video Doorbell Focuses On Quality, Aesthetic | Lewin Day | [
"classic hacks"
] | [
"door bell",
"doorbell",
"intercom",
"retro",
"video doorbell",
"video intercom",
"vintage"
] | One of the most popular futurist tropes of the 20th century was the video intercom. Once this technology was ready, it would clearly become a mainstay of modern living overnight. Our lived reality is however somewhat different. For [MisterM], that simply wouldn’t do,
so he set about producing a retro-themed video doorb... | 2 | 2 | [
{
"comment_id": "6149156",
"author": "Ren",
"timestamp": "2019-05-14T17:05:32",
"content": "“which is painted a deep shade of maroon for an extra classy look.”s/classy/cheesy/gFTFY",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6305471",
"author": "Escalio... | 1,760,373,931.753714 | ||
https://hackaday.com/2019/05/13/a-customizable-open-source-mechanical-numpad/ | A Customizable Open Source Mechanical Numpad | Tom Nardi | [
"Peripherals Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"cherry mx",
"mechanical keyboard",
"numpad",
"QMK",
"RGB LED"
] | Mechanical keyboards with reduced key counts are all the rage these days, but while those streamlined input devices might look cool on your desk, there are times when the traditional number pad or navigation keys are quite handy. Rather than just going without, [Mattia Dal Ben] decided to put together his own mechanica... | 11 | 5 | [
{
"comment_id": "6148969",
"author": "Rob Smith",
"timestamp": "2019-05-13T20:01:21",
"content": "Meh, Forget numerical keypads. I have a better solution for those. Just don’t be a hipster. Don’t buy some reduced-key keyboard at the price of 10 full-keyed keyboards. Buy a real keyboard instead. They... | 1,760,373,931.807189 | ||
https://hackaday.com/2019/05/13/this-week-in-security-backdoors-in-cisco-switches-pgp-spoofing-in-emails-git-ransomware/ | This Week In Security: Backdoors In Cisco Switches, PGP Spoofing In Emails, Git Ransomware | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"blockchain",
"Git",
"PGP",
"ssh",
"This Week in Security"
] | Some switches in Cisco’s 9000 series are susceptible to a remote vulnerability, numbered CVE-2019-1804 . It’s a bit odd to call it a vulnerability, actually, because the software is operating as intended. Cisco shipped out these switches with the same private key hardcoded in software for all root SSH logins. Anyone wi... | 7 | 5 | [
{
"comment_id": "6148978",
"author": "asdf",
"timestamp": "2019-05-13T21:15:16",
"content": "For the Cisco IPv6 thing, my guess is that the devices have a firewall blocking incoming connections, but it’s only filtering IPv4. A surprisingly common mistake when using eg. iptables.",
"parent_id": n... | 1,760,373,932.116458 | ||
https://hackaday.com/2019/05/13/iot-for-agriculture-hack-chat-with-akiba/ | IoT For Agriculture Hack Chat With Akiba | Dan Maloney | [
"Hackaday Columns"
] | [
"agriculture",
"crops",
"green",
"hackerfarm",
"homestead",
"IoT",
"residency",
"technology",
"The Hack Chat"
] | Join us Wednesday at
5:00 PM Pacific time
for the
IoT and Agriculture Hack Chat
with Akiba!
Note the different time than our usual Hack Chat slot! Akiba willi be joining us from Japan.
No matter what your feelings are about the current state of the world, you can’t escape the fact that 7.7 billion humans need to be fed... | 3 | 2 | [
{
"comment_id": "6149000",
"author": "Jorhlok",
"timestamp": "2019-05-14T00:06:23",
"content": "I once heard and then didn’t follow up on that it’s estimated we produce enough food for 10 billion humans but that it’s cheaper to waste it than distribute it worldwide.",
"parent_id": null,
"dep... | 1,760,373,932.064969 | ||
https://hackaday.com/2019/05/13/custom-storage-boxes-from-cardboard-and-3d-printed-bits/ | Custom Storage Boxes, From Cardboard And 3D Printed Bits | Donald Papp | [
"3d Printer hacks",
"home hacks"
] | [
"3d printed",
"box",
"cardboard",
"custom",
"storage"
] | It’s not that storage boxes and organizers are hard to find. No, the problem this project set out to solve was more nuanced than that. The
real
trouble [theguymasamato] had was that his storage options — wide shelves and deep drawers — weren’t well suited to storing a lot of small and light objects. The result was a lo... | 14 | 8 | [
{
"comment_id": "6148930",
"author": "Doug Leppard",
"timestamp": "2019-05-13T15:14:42",
"content": "Very interesting concept.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148981",
"author": "Hirudinea",
"timestamp": "2019-05-13T21:43:01",... | 1,760,373,932.017388 | ||
https://hackaday.com/2019/05/13/automate-the-freight-autonomous-stevedores-move-shipping-containers-so-humans-dont-have-to/ | Automate The Freight: Shipping Containers Sorted By Robot Stevedores | Dan Maloney | [
"Engineering",
"Featured"
] | [
"Automate the Freight",
"autonomous",
"cargo",
"carrier",
"container",
"dock",
"freight",
"intermodal",
"local positioning",
"port",
"quay",
"stevedore",
"TOF"
] | Towering behemoths are prowling the docks of Auckland, New Zealand, in a neverending shuffle of shipping containers, stacking and unstacking them like so many out-sized LEGO bricks. And they’re doing it all without human guidance.
It’s hard to overstate the impact containerized cargo has had on the modern world. The ab... | 28 | 9 | [
{
"comment_id": "6148916",
"author": "cliff claven",
"timestamp": "2019-05-13T14:41:46",
"content": "My favourite thing to watch when working on a vessel is the towers of Hanoi being played on the ground when the status of a box changes during loading. Huge time sink. The operators don’t usually not... | 1,760,373,932.259128 | ||
https://hackaday.com/2019/05/13/wii-nunchuk-gets-a-built-in-raspberry-pi-zero/ | Wii Nunchuk Gets A Built-in Raspberry Pi Zero | Tom Nardi | [
"Nintendo Wii Hacks",
"Raspberry Pi"
] | [
"head mounted display",
"i2c",
"nunchuk",
"wearable",
"wii"
] | The Wii controller will likely go down in history as the hacker’s favorite repurposed input device, and there’s no question that the Raspberry Pi is the community’s top pick in terms of Linux single board computers. So it should come as little surprise that somebody has finally given us the cross-over episode that the ... | 3 | 2 | [
{
"comment_id": "6148877",
"author": "javiero",
"timestamp": "2019-05-13T11:41:24",
"content": "you can play some serious wiiBowling with that",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6148974",
"author": "Gregg Eshelman",
"timestamp": "2019-05-13... | 1,760,373,932.520284 | ||
https://hackaday.com/2019/05/13/prototyping-pcbs-with-electrical-discharge-machining/ | Prototyping PCBs With Electrical Discharge Machining | Dan Maloney | [
"cnc hacks",
"Tool Hacks"
] | [
"ablate",
"arc",
"cnc",
"EDM",
"Electrical Discharge Machining",
"electrode",
"etch",
"graphite",
"pcb"
] | Here at Hackaday, we thought we’d seen every method of making PCBs: CNC machining, masking and etching with a variety of chemicals, laser engraving, or even the crude but effective method of scratching away the copper with a utility knife. Whatever works is fine with us, really, but there still does seem to be room for... | 32 | 11 | [
{
"comment_id": "6148860",
"author": "ThisGuy",
"timestamp": "2019-05-13T08:53:10",
"content": "I’d imagine taking the same precautions as a proper EDM setup would help here. To wit: Submerge the workpiece and tool in a dielectric to control the sparking and reduce the spark gap, controlled tip shap... | 1,760,373,932.623608 | ||
https://hackaday.com/2019/05/12/nvidia-teaching-robots-to-master-ikea-kitchens/ | Nvidia Teaching Robots To Master IKEA Kitchens | Roger Cheng | [
"Robots Hacks"
] | [
"deep learning",
"deep neural networks",
"ikea",
"kitchen",
"kitchen hacks",
"machine learning",
"NVIDIA"
] | The current wave of excitement around machine learning kicked off when graphics processors were repurposed to make training deep neural networks practical. Nvidia found themselves the engine of a new revolution and seized their opportunity to help push frontiers of research. Their
research lab in Seattle
will focus on ... | 6 | 5 | [
{
"comment_id": "6148869",
"author": "Tegwyn☠Twmffat",
"timestamp": "2019-05-13T09:55:15",
"content": "Why would Nvidia have a research lab in somewhere as miserable as Seattle? It always seems to be raining!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61... | 1,760,373,932.30731 | ||
https://hackaday.com/2019/05/12/open-hardware-e-ink-display-just-needs-an-idea/ | Open Hardware E-Ink Display Just Needs An Idea | Tom Nardi | [
"hardware",
"Wireless Hacks"
] | [
"bluetooth low energy",
"digital signage",
"e-ink",
"e-paper",
"nRF52840"
] | Its taken awhile, but thanks to devices like the Amazon Kindle, the cost of e-ink displays are finally at the point where mere mortals such as us can actually start using them in our projects. Now we’ve just got to figure out how to utilize them properly. Sure you can just hook up an e-ink display to a Raspberry Pi to ... | 25 | 13 | [
{
"comment_id": "6148818",
"author": "Fred",
"timestamp": "2019-05-13T04:11:29",
"content": "E-ink displays have been available for many years now, but unlike other display technologies (LCD in particular), the price still seems ludicrously high. Even the tiny ones are expensive. When I can buy an e... | 1,760,373,932.694857 | ||
https://hackaday.com/2019/05/12/hackaday-links-may-12-2019/ | Hackaday Links: May 12, 2019 | Brian Benchoff | [
"Hackaday links"
] | [
"bamf",
"bird",
"maker faire",
"MFBA",
"Razer"
] | The future of the musical instrument industry is in tiny, cheap, handheld synthesizers. They’re sold as ‘musical toys’. They bleep and bloop, and that’s about it.
Korg may have just released the minimum viable product
for this category, and thus the most popular product for this category. On the surface, the Korg Nu:Te... | 27 | 7 | [
{
"comment_id": "6148796",
"author": "Hirudinea",
"timestamp": "2019-05-12T23:32:16",
"content": "I was going to make a comment that if Razer wanted to make a appliance that gamers really need they would make a fleshlight, but then I thought, “Nah, I’m better than that”.",
"parent_id": null,
... | 1,760,373,932.867156 | ||
https://hackaday.com/2019/05/12/robot-hummingbird-imitates-nature/ | Robot Hummingbird Imitates Nature | Al Williams | [
"Robots Hacks"
] | [
"bio robot",
"flight",
"hummingbird",
"purdue",
"robot",
"winged"
] | Purdue’s Bio-Robotics lab has been working on a robotic hummingbird and, as you can see in the videos below, have had a lot of success. What’s more, is
they’ve shared that success on GitHub
. If you want to make a flapping-winged robot, this is definitely where you start.
If you’ve ever watched a hummingbird, you know ... | 9 | 5 | [
{
"comment_id": "6148779",
"author": "McNugget",
"timestamp": "2019-05-12T20:28:30",
"content": "This is cool, but their use case is already solved by micro drones.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148781",
"author": "McNugget",
... | 1,760,373,932.92276 | ||
https://hackaday.com/2019/05/12/artificial-neural-networks-help-hack-biological-counterparts/ | Artificial Neural Networks Help Hack Biological Counterparts | Roger Cheng | [
"Medical Hacks"
] | [
"ai",
"artificial intelligence",
"artificial neural network",
"biology",
"brain",
"brain hacks",
"machine vision",
"neural network",
"neurons",
"neuroscience",
"visual",
"visual feedback"
] | Eyes are windows into the soul, the old saying goes. They are also pathways into the mind, as much of our brain is involved in processing visual input. This dedication to vision is partly why much of AI research is likewise focused on machine vision. But do artificial neural networks (ANN) actually work like the gray m... | 16 | 3 | [
{
"comment_id": "6148752",
"author": "AndreN",
"timestamp": "2019-05-12T17:43:55",
"content": "“we’re not at risk of input injection attacks on our brains” – unless you count those with epilepsy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148757",
... | 1,760,373,932.977962 | ||
https://hackaday.com/2019/05/12/bare-metal-programming-with-only-three-buttons/ | Bare Metal Programming With Only Three Buttons | Tom Nardi | [
"Microcontrollers"
] | [
"ATMega4809",
"microcomputer",
"vintage computing"
] | For anyone who’s seen a 1970’s era microcomputer like the Altair 8800 doing its thing, you’ll know the centerpiece of these behemoths is the array of LEDs and toggle switches used as input and output. Sure, computers today are exponentially more capable, but there’s something undeniably satisfying about developing soft... | 28 | 17 | [
{
"comment_id": "6148748",
"author": "Rudy van Utrecht",
"timestamp": "2019-05-12T16:46:31",
"content": "This reminds me of Burkhard Kainka’s tps-controller .It uses an ATMEGA8.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151412",
"author": "Burk... | 1,760,373,933.058354 | ||
https://hackaday.com/2019/05/12/modular-cnc-build-gets-you-both-a-mill-and-a-laser-cutter/ | Modular CNC Build Gets You Both A Mill And A Laser Cutter | Lewin Day | [
"Tool Hacks"
] | [
"cnc",
"DIY CNC"
] | CNC builds come in all shapes and sizes. There’s delta manipulators, experimental polar rigs, and all manner of cartesian builds, large and small. After completing their first CNC build,
[jtaggard] took what they learned and applied it in the development of a new machine
.
It’s a desk-sized cartesian design, with a fra... | 24 | 9 | [
{
"comment_id": "6148714",
"author": "Arthur Wolf",
"timestamp": "2019-05-12T11:06:19",
"content": "“Running both a CNC mill and a laser cutter on a single gantry” is like Smoothieboard’s mission statement :) He could even pop an extruder on there if that’s what he was using.",
"parent_id": null... | 1,760,373,933.122712 | ||
https://hackaday.com/2019/05/12/better-debating-through-electronics/ | Better Debating Through Electronics | Lewin Day | [
"classic hacks"
] | [
"debating",
"ESP8266",
"Wemos"
] | Watch any news panel show these days, and you’ll see that things can very quickly become unruly. Guests compete for airtime by shouting over one another and attempting to derail their opponent’s talking points. [cutajar.sacha] had encountered this very problem in the workplace, and set about creating a solution.
The re... | 8 | 7 | [
{
"comment_id": "6148700",
"author": "Saabman",
"timestamp": "2019-05-12T09:14:22",
"content": "This sounds like it came out of shitty robots – if it didn’t it should have – lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6148725",
"author": "Justin",
... | 1,760,373,933.166167 | ||
https://hackaday.com/2019/05/11/mathics-how-to-do-hard-math-when-youre-not-an-mit-janitor/ | Mathics: How To Do Hard Math When You’re Not An MIT Janitor | Al Williams | [
"Software Hacks"
] | [
"computer algebra",
"mathematica",
"mathics"
] | Algebra is the bane of many a student, but it is surprisingly useful when it comes to electronics. Sure, you can just memorize all the permutations of things like Ohm’s law. But it is better if you can remember one form and deduce the others on the fly.
There are many occasions where you — as our old Algebra teacher us... | 27 | 15 | [
{
"comment_id": "6148674",
"author": "William A Steinv",
"timestamp": "2019-05-12T02:40:38",
"content": "Use SageMath and CoCalc.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148682",
"author": "Pez",
"timestamp": "2019-05-12T04:53:41",
... | 1,760,373,933.772358 | ||
https://hackaday.com/2019/05/11/3d-printed-mobius-strip-of-gears/ | 3D-Printed Mobius Strip Of Gears | Lewin Day | [
"3d Printer hacks"
] | [
"gears",
"mobius strip"
] | Exploring the mathematics behind everyone’s favourite unorientable single-sided surface can be quite the mind-bending exercise, so it’s nice that it’s so easy to make a Mobius strip out of paper and a single piece of tape. That demonstration was far from enough for [elmins]. who printed
this Mobius strip of gears
. The... | 12 | 7 | [
{
"comment_id": "6148659",
"author": "Steven13",
"timestamp": "2019-05-11T23:35:32",
"content": "unorientable single-sided surfaceThe department of redundancy department called, they say that they have a job opening for a redundant backup officer official.",
"parent_id": null,
"depth": 1,
... | 1,760,373,933.222812 | ||
https://hackaday.com/2019/05/11/battle-tested-current-limiter-for-cheap-dc-motor-controllers/ | Battle Tested Current Limiter For Cheap DC Motor Controllers | Jenny List | [
"hardware",
"Transportation Hacks"
] | [
"brushed dc motor",
"current limiting",
"dc motor",
"dc motor controller",
"Hacky Racers",
"motor controller"
] | Running a brushed motor in muddy or dusty environments takes a toll on controllers, with both heavy back EMF and high stall currents. This explains one of the challenge in Europe’s Hacky Racer series, which is decidedly more off-road than America’s Power Racing Series.
In pushing these little electric vehicles to the l... | 1 | 1 | [
{
"comment_id": "6152882",
"author": "Adam",
"timestamp": "2019-05-31T07:13:31",
"content": "This is more of an open series vs Power Racing is limited by current draw, price $500 and footprint. They don’t allow Li-Po to prevent firey desth.",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,373,933.487525 | ||
https://hackaday.com/2019/05/11/whats-more-accurate-than-a-gps-clock-the-openppc-gps-clock/ | What’s More Accurate Than A GPS Clock? The OpenPPS GPS Clock | Jenny List | [
"clock hacks",
"FPGA"
] | [
"clock",
"ESP32",
"fpga",
"GPS clock"
] | Making a GPS clock is a relatively straightforward process on the face of it. Buy a GPS module for a few dollars, hook it up to a microcontroller board of your choice, pick the appropriate library and write a bit of code,
et voila
! A clock with time-wonk bragging rights!
Of course, your GPS clock will always tell the ... | 19 | 12 | [
{
"comment_id": "6148621",
"author": "zaprodk",
"timestamp": "2019-05-11T17:17:24",
"content": "OpenPPC? It’s OpenPPS (Pulse Per Second) – Come on HAD, you can do better. At least look at the stuff that’s linked before writing the article and pressing “submit”",
"parent_id": null,
"depth": 1... | 1,760,373,933.542587 | ||
https://hackaday.com/2019/05/11/bluetoothing-beautiful-phones/ | Bluetoothing Beautiful Phones | Brian Benchoff | [
"Phone Hacks"
] | [
"bang & olufsen",
"keypad",
"phone"
] | You’ve seen a landline phone converted into a Bluetooth headset. There’s nothing new there. It’s great for confusing kids when asking them to dial a rotary phone, but that’s about it. It’s the same phone, built by Ma Bell for fifty years, converted with a little Bluetooth breakout board.
You’ve never seen a landline co... | 18 | 10 | [
{
"comment_id": "6148605",
"author": "zaprodk",
"timestamp": "2019-05-11T14:50:56",
"content": "Sorry, am I missing something? I only see some talk about how this /might/ be hacked, and some tracing out of the keyboard flex. No bluetooth, no PCB, no hacking done.",
"parent_id": null,
"depth"... | 1,760,373,933.700018 | ||
https://hackaday.com/2019/05/11/build-a-sprint-race-timer-to-help-your-training/ | Build A Sprint Race Timer To Help Your Training | Lewin Day | [
"Arduino Hacks"
] | [
"excercise",
"race timer",
"running",
"sprint timer",
"timer"
] | Any exercise is a positive thing, but if you’re looking to improve over time, you’ve got to measure your performance. [Nikodem Bartnik] is a runner and is looking to improve his sprinting abilities.
Naturally, an Arduino is the perfect companion to help in this quest (YouTube link, embedded below).
The Arduino is built... | 4 | 4 | [
{
"comment_id": "6148601",
"author": "RandyR",
"timestamp": "2019-05-11T14:27:02",
"content": "Nice job… very well done. And well-made video as well!Love the choice of the E-ink display as well. Perfect for this outdoor application.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,933.586947 | ||
https://hackaday.com/2019/05/11/volkswagen-egon-is-a-rolling-electric-car-circuit-sculpture/ | Volkswagen EGon Is A Rolling Electric Car Circuit Sculpture | Roger Cheng | [
"car hacks"
] | [
"car",
"car technology",
"Circuit Sculpture",
"electric car",
"volkswagen",
"wiring harness"
] | Over the past few decades of evolution, cars have grown to incorporate a mind-boggling number of electric components. From parking distance sensors, to the convenience of power locks and windows, to in-car entertainment systems rivaling home theaters. Normally this interconnected system’s complexity is hidden between e... | 19 | 6 | [
{
"comment_id": "6148565",
"author": "BT",
"timestamp": "2019-05-11T08:47:42",
"content": "Am I the only one who finds electric windows an anti-feature? A classic case of controlling an analog thing (window position) with a badly-implemented digital control (up/down switch) resulting in awkward oper... | 1,760,373,933.646072 | ||
https://hackaday.com/2019/05/10/repairing-and-upgrading-a-hp-16533a-scope-card/ | Repairing And Upgrading A HP 16533A Scope Card | Lewin Day | [
"Tool Hacks"
] | [
"hewlett packard",
"oscilloscope",
"scope"
] | In the world of oscilloscopes, as in the rest of the test equipment world, there’s always some trickery afoot. Companies will often offer different models to the market at different price points, in an effort to gain the widest possible customer base while also making the most profit. Cheaper, less capable models are o... | 17 | 4 | [
{
"comment_id": "6148541",
"author": "Mike Massen",
"timestamp": "2019-05-11T05:18:02",
"content": "Hmm so the co exploited a design issue to effectively cheat the consumer out of $ to performance ratio. Reminds me of the oldie saying about a half penny worth of tar, not immediately relevant but, to... | 1,760,373,933.88052 | ||
https://hackaday.com/2019/05/10/pluto-sdr-goes-ethernet/ | Pluto (SDR) Goes Ethernet | Al Williams | [
"Radio Hacks"
] | [
"pluto sdr",
"sdr",
"software-defined radio"
] | Pluto may no longer be a planet, but it is still a fun software defined radio (SDR) set up from Analog Devices. The inexpensive radio uses a USB connector and looks somewhat like a network connection to your PC. But what if you want to really use it with a network? [SignalsEverywhere]
shows you how to do it using a USB... | 14 | 6 | [
{
"comment_id": "6148532",
"author": "Dane",
"timestamp": "2019-05-11T03:08:49",
"content": "This is excellent! It opens up the ‘single piece of hardware to do x’. Like a standalone APRS gateway, or even a LoRa gateway.I’ve really been a fan of the SignalsEverywhere channel, there are plenty of o... | 1,760,373,933.826735 | ||
https://hackaday.com/2019/05/10/big-slow-rotary-machine-has-multiple-uses/ | Big, Slow Rotary Machine Has Multiple Uses | Lewin Day | [
"Tool Hacks"
] | [
"rotating table",
"slow speed rotation",
"washing machine"
] | A good majority of power tools in the average workshop are all about speed. Drills, grinders, and sanders all whizz along at thousands of revolutions per minute. Sometimes though, you need to do things slowly. For that,
[bongodrummer]’s big rotary machine build might be just up your alley.
The core of the build is an ... | 14 | 5 | [
{
"comment_id": "6148518",
"author": "Andy Pugh",
"timestamp": "2019-05-11T00:05:14",
"content": "It seems to me that 60rpm is easily achievable using a clockwork clock mechanism. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148528",
"author":... | 1,760,373,935.84004 | ||
https://hackaday.com/2019/05/10/improving-a-conference-badge-with-3d-printing/ | Improving A Conference Badge With 3D Printing | Tom Nardi | [
"3d Printer hacks"
] | [
"3D printed parts",
"badge hacking",
"badgelife",
"freecad",
"KiCon"
] | The obsession with over-the-top-hardware conference badges means that we as attendees get to enjoy a stream of weird and wonderful electronic gadgets. But for the folks putting these conferences on, getting a badge designed and manufactured in time for the event can be a stressful and expensive undertaking. To keep thi... | 2 | 2 | [
{
"comment_id": "6148681",
"author": "Nick",
"timestamp": "2019-05-12T04:43:15",
"content": "I really, really want to go to KiCon next year.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6148690",
"author": "Jose Romero (@cyborgar)",
"timestamp": "201... | 1,760,373,935.55388 | ||
https://hackaday.com/2019/05/10/a-32-bit-boost-for-your-3d-printer/ | A 32-bit Boost For Your 3D Printer | Tom Nardi | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"3D Printer Controller",
"marlin",
"STM32F103",
"XT60"
] | It might not be the kind of thing you’ve given much thought to, but if you’ve ever used a desktop 3D printer, it was almost certainly being controlled by an 8-bit CPU. In fact, the common RAMPS controller is essentially just a motor driver shield for the Arduino Mega. Surely we can do a bit better than that in 2019?
Fo... | 52 | 18 | [
{
"comment_id": "6148453",
"author": "Michael Stephens",
"timestamp": "2019-05-10T18:41:19",
"content": "XT60 should be used for the bed and the extruder too",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148629",
"author": "Mateusz Schyboll",
... | 1,760,373,935.735086 | ||
https://hackaday.com/2019/05/10/retrotechtacular-history-of-sony-mini-doc-bursts-with-1970s-style/ | Retrotechtacular: History Of Sony Mini Doc Bursts With 1970s Style | Drew Littrell | [
"Retrocomputing",
"Retrotechtacular"
] | [
"crt",
"retro",
"retrotechtacular",
"television",
"vintage"
] | The 1970s, it was a time when cameras needed film, phones had cords, and televisions masqueraded as furniture. A time where hi-fi systems were judged by the volume knob feel, and thanks to YouTube user [nefesh22] we have a behind-the-scenes glimpse of what the era was like from the Sony corporate perspective in
this mi... | 16 | 11 | [
{
"comment_id": "6148434",
"author": "Mattster aka MattyD",
"timestamp": "2019-05-10T17:32:24",
"content": "I remember watching the Godfather on U-Matic at a cousin’s house back in 1973 or so , long before Beta and VHS were released to the public",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,936.097944 | ||
https://hackaday.com/2019/05/10/hackaday-podcast-018-faxploitation-ikea-rfid-hacking-space-ads-hydrogen-dones-and-blinkies/ | Hackaday Podcast 018: Faxploitation! Ikea RFID Hacking, Space Ads, Hydrogen Dones, And Blinkies | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"drone",
"fuel cell",
"Hackaday Podcast",
"ikea",
"soldering"
] | Hackaday Editors Elliot Williams and Mike Szczys gather round the microphone to spin tales from a week of hacks. All the rage are fax-machine-based malware, a hydrogen fuel cell drone, and bringing color to the monochrome world of the original
Super Mario Land
. There are at least three really cool LED hacks this week,... | 7 | 4 | [
{
"comment_id": "6148427",
"author": "grantckohler",
"timestamp": "2019-05-10T16:45:58",
"content": "Is there a way for Hackaday to publish an RSS for their podcast on Soundcloud? I have a hard time listening to podcasts without an RSS feed.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,935.994141 | ||
https://hackaday.com/2019/05/10/its-never-too-early-to-prepare-for-halloween-with-flamethrowers/ | It’s Never Too Early To Prepare For Halloween: With Flamethrowers | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"candle",
"fire",
"flamethrower",
"halloween",
"jack o lantern",
"pumpkin",
"pyrotechnics"
] | Using a legitimate flamethrower is on the bucket list for a lot of us. Even Elon Musk got into the action with his Not-A-Flamethrower flamethrower. For the rest of us non-billionaires though, we have to come up with clever reasons to build our own like “Halloween is only six months away”. [HandsomeRyan] took this appro... | 3 | 2 | [
{
"comment_id": "6148416",
"author": "Darko Resnik",
"timestamp": "2019-05-10T16:05:04",
"content": "Next step, rig the rest of the pumpkins and build a pumpkin flame organ.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6148510",
"author": "Hirudinea",
... | 1,760,373,935.882015 | ||
https://hackaday.com/2019/05/10/hacking-the-ionosphere-for-science/ | Hacking The Ionosphere, For Science | Dan Maloney | [
"Featured",
"Original Art",
"Science",
"Slider",
"Space"
] | [
"aurora",
"aurora australis",
"aurora borealis",
"barium",
"flux",
"ionosphere",
"particle",
"sounding rocket",
"strontium",
"tracer",
"trimethyl aluminum"
] | Imagine what it must have been like for the first human to witness an aurora. It took a while for our species to migrate from its equatorial birthplace to latitudes where auroras are common, so it was a fairly recent event geologically speaking. Still, that first time seeing the shimmers and ribbons playing across a sk... | 14 | 6 | [
{
"comment_id": "6148395",
"author": "Antron Argaiv",
"timestamp": "2019-05-10T14:56:09",
"content": "Don’t forget HAARP – the Highfrequency Active Auroral Research Program!https://www.gi.alaska.edu/facilities/haarp(Obama handed over the keys to his Weather Machine to the University of Alaska…or so ... | 1,760,373,935.942205 | ||
https://hackaday.com/2019/05/10/python-and-pi-provide-heads-up-display-for-your-experimental-airplane/ | Python And Pi Provide Heads Up Display For Your Experimental Airplane | Brian Benchoff | [
"Raspberry Pi",
"Transportation Hacks"
] | [
"heads up display",
"hud",
"Pi",
"raspberry pi"
] | You shouldn’t be looking at screens when you’re driving, but what about a heads-up display? A screen that could put relevant information in your field of vision would be great, even more so if it used a Raspberry Pi. That’s exactly what [John] did,
only he did it with an airplane
.
First up, the legality of this build.... | 9 | 2 | [
{
"comment_id": "6148407",
"author": "Wind Glow",
"timestamp": "2019-05-10T15:34:05",
"content": "Now I only briefly looked at it, but these things don’t just project onto a piece of regular glass // plastic right?One thing a proper hud does is project the image you see “to infinity”. That way the ... | 1,760,373,936.040706 | ||
https://hackaday.com/2019/05/10/barn-door-tracker-needs-no-special-tools/ | Barn Door Tracker Needs No Special Tools | Adam Fabio | [
"digital cameras hacks"
] | [] | If you want to take a long exposure photograph, you need a tripod to hold your camera steady. But a tripod won’t help when the ground it’s standing on is moving. That’s exactly the problem [Emvilza] ran into when he wanted to take minutes or hours long photographs of the night sky. His solution was to build a
barn door... | 15 | 7 | [
{
"comment_id": "6148317",
"author": "Jabberwock",
"timestamp": "2019-05-10T08:58:51",
"content": "I do not get it… Why bend the rod at all? Wouldn’t a straight rod with a hingle be simpler?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148333",
"a... | 1,760,373,935.784683 | ||
https://hackaday.com/2019/05/09/old-nixie-display-rides-again-as-3d-printer-filament-meter/ | Old Nixie Display Rides Again As 3D-Printer Filament Meter | Dan Maloney | [
"3d Printer hacks"
] | [
"74141",
"filament meter",
"gauge",
"high voltage",
"nixie",
"Octoprint",
"prusa",
"Raspberry Pi Zero W",
"shift register"
] | We’re not sure about the name of
this Nixie tube filament meter
that [Scott M. Baker] built. He calls it a “filadometer”, perhaps a portmanteau of “filament” and “odometer”, in which case it makes sense. It may not flow trippingly from the tongue and we can’t come up with anything better, but whatever moniker you use i... | 9 | 4 | [
{
"comment_id": "6148339",
"author": "BrightBlueJim",
"timestamp": "2019-05-10T10:04:21",
"content": "Sigh. I’m getting old. Every time I see those Russian Nixies, I want to scream, “WHAT? Was it too much trouble to make separate dies for ‘2’ and ‘5’ ?????”",
"parent_id": null,
"depth": 1... | 1,760,373,935.508805 | ||
https://hackaday.com/2019/05/09/stator-library-makes-your-arduino-code-easier-to-read/ | Stator Library Makes Your Arduino Code Easier To Read | Lewin Day | [
"Arduino Hacks"
] | [
"arduino",
"Arduino Library",
"code"
] | The readability of your code can make the difference between your project being a joy to work on, or an absolute headache. This goes double when collaborating with others. Having easily parsed code reduces your cognitive load and makes solving problems easier. To try and help with this,
[PTS93] developed the Stator lib... | 56 | 13 | [
{
"comment_id": "6148255",
"author": "JWhitten",
"timestamp": "2019-05-10T02:26:48",
"content": "States are great, but really, just naming your variables and constants something interesting to begin with is an awesome first step for a lot of people! Get rid of those “magic” numbers which seemingly a... | 1,760,373,936.253952 | ||
https://hackaday.com/2019/05/09/cpu-made-from-74hc-chips-is-a-glorious-mess/ | CPU Made From 74HC Chips Is A Glorious Mess | Inderpreet Singh | [
"computer hacks"
] | [
"8-bit computers",
"breadboard",
"cpu",
"homemade cpu",
"shift register"
] | Did you ever start a project that you felt gained a life of its own? This project by [Paulo Constantino] is
an entire CPU named dreamcatcher
on breadboards, and is a beautiful jungle of digital. On top of that, it works to connect to an analog VGA display. How cool is that!
Designing an ALU and then a CPU is a typical ... | 35 | 20 | [
{
"comment_id": "6148220",
"author": "gregg4",
"timestamp": "2019-05-09T23:11:59",
"content": "Strange.. This was here before, in the shape of the Big Mess of Wires project.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148239",
"author": "Justin",... | 1,760,373,936.388619 | ||
https://hackaday.com/2019/05/09/sniffing-can-to-add-new-features-to-a-modern-car/ | Sniffing CAN To Add New Features To A Modern Car | Tom Nardi | [
"Arduino Hacks",
"car hacks"
] | [
"backup camera",
"CAN",
"chevy",
"OBDII",
"PCAN-USB",
"relay"
] | It used to be that there wasn’t a problem on the average car that couldn’t be solved with a nice set of wrenches, a case of beer, and a long weekend. But the modern automobile has more in common with a spaceship than those vintage rides of yesteryear. Bristling with sensors and electronics, we’re at the point that some... | 40 | 13 | [
{
"comment_id": "6148196",
"author": "Alex",
"timestamp": "2019-05-09T20:22:59",
"content": "Absolutely love it. Great write up as well, illustrating every step of the process from a complete novice to the CAN concept.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,373,936.629875 | ||
https://hackaday.com/2019/05/09/the-two-dimensional-stepper-motor/ | The Two-Dimensional Stepper Motor | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"pcb",
"PCB stepper",
"stepper motor"
] | Over on hackaday.io and deep in the Hackaday Prize, a lot of cool people are playing around with the possibilities of putting coils in printed circuit boards. On the face of it, it makes sense: drawing spirals on a PCB gets you an electromagnet. This allows you to do all sorts of crazy things. You can make miniature mo... | 20 | 9 | [
{
"comment_id": "6148180",
"author": "Ward",
"timestamp": "2019-05-09T18:39:09",
"content": "Very cool! “Back in the day” I worked with a semiconductor wafer prober that was also similar to a splayed-out stepper. Rather than a powdered iron rotor, it was a powdered iron table with a grid, and the ... | 1,760,373,936.542333 | ||
https://hackaday.com/2019/05/09/building-a-raspberry-pi-rover-my-big-fat-linux-weekend/ | Building A Raspberry Pi Rover: My Big Fat Linux Weekend | Lewin Day | [
"Featured",
"Raspberry Pi"
] | [
"installing linux",
"linux",
"Raspberry Pi Zero",
"raspian",
"TK"
] | Linux! Such a wonderful, rich, capable operating system has blessed us, and all for the low, low cost of absolutely free. It’s under the hood of countless servers, computers, phones, and embedded devices, and is the go-to solution for when you want to
get the job done right.
Why, then, does it curse me so?
Prologue
The... | 46 | 25 | [
{
"comment_id": "6148161",
"author": "Jonathan Bennett",
"timestamp": "2019-05-09T17:11:32",
"content": "Reminds me of the “good old days” when I was in college, and a handful of us decided to install Linux on our laptops. The wifi cards didn’t work out of the box, and the college wasn’t allowing st... | 1,760,373,937.306296 | ||
https://hackaday.com/2019/05/09/robot-arms-nudge-the-hands-of-time-in-the-strangest-clock/ | Robot Arms Nudge The Hands Of Time In The Strangest Clock | Dan Maloney | [
"clock hacks"
] | [
"clock",
"delta",
"dial",
"ESP32",
"kinematic",
"linkage",
"servo"
] | We see a lot of clocks here at Hackaday. Digital clocks, retro clocks, lots of Nixie clocks, binary clocks, and clocks that appear to be designed specifically to be unreadable. But this
dual-servo kinematic clock
is something we haven’t seen yet, and it’s certainly worth a mention.
[mircemk]’s idea is simple and hearke... | 8 | 7 | [
{
"comment_id": "6148229",
"author": "djmips",
"timestamp": "2019-05-09T23:51:34",
"content": "I love it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6148251",
"author": "JRD",
"timestamp": "2019-05-10T02:18:49",
"content": "The “stuttering” mov... | 1,760,373,936.742028 | ||
https://hackaday.com/2019/05/09/blacksmithing-for-the-uninitiated-hammer-and-tongs/ | Blacksmithing For The Uninitiated: Hammer And Tongs | Jenny List | [
"Hackaday Columns",
"how-to",
"Skills"
] | [
"blacksmith",
"Blacksmithing for the Uninitiated",
"hammer",
"safety",
"tongs"
] | Regular readers will recognise this as the third part of a series exploring blacksmithing for those who have perhaps always fancied having a go but have never quite known where to start. It’s written from a position of the unusual experience of having grown up around a working forge, my dad may now be retired but he ha... | 26 | 7 | [
{
"comment_id": "6148132",
"author": "komradebob",
"timestamp": "2019-05-09T14:15:04",
"content": "Hearing protection?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148136",
"author": "Jenny List",
"timestamp": "2019-05-09T14:39:37",
... | 1,760,373,936.69909 | ||
https://hackaday.com/2019/05/09/wandel-weaponizes-waste-with-lego-and-a-raspberry-pi/ | Wandel Weaponizes Waste With Lego And A Raspberry Pi | Inderpreet Singh | [
"Raspberry Pi",
"Toy Hacks"
] | [
"automation",
"lego technic",
"NEMA",
"raspberry pi",
"stepper",
"tracking"
] | Before 3D printers, there was LEGO. And the little bricks are still useful for putting something together on the quick. Proof is YouTuber [Matthias Wandel]’s awesome
bottle cap shooter build
that uses rudimentary DIY computer vision to track you and then launch a barrage of plastic pieces at you.
This is an amazing pro... | 6 | 4 | [
{
"comment_id": "6148097",
"author": "Larry",
"timestamp": "2019-05-09T11:21:24",
"content": "Kids must eat a lot of yogurt 🤣",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6148103",
"author": "tdobrandano",
"timestamp": "2019-05-09T12:03:36",
"co... | 1,760,373,936.881314 | ||
https://hackaday.com/2019/05/09/examine-source-code-to-assembly-mapping-with-penguintrace/ | Examine Source Code To Assembly Mapping With PenguinTrace | Ted Yapo | [
"Software Development"
] | [
"assembly",
"debugger",
"webassembly"
] | C-programmers who don’t have a mental model of what’s going on underneath their thin veneer of abstraction above assembly code are destined for trouble. In order to provide a convenient way to understand what C-code gets compiled to and how it runs on the machine, [Alex Beharrell] has created
penguinTrace, a program wh... | 23 | 6 | [
{
"comment_id": "6148074",
"author": "hammarbytp",
"timestamp": "2019-05-09T08:37:58",
"content": "Not sure how that is different to this onehttps://gcc.godbolt.org/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148082",
"author": "tim0s42",
... | 1,760,373,937.010436 | ||
https://hackaday.com/2019/05/08/make-an-electroplating-marker-because-plating-complex-objects-is-hard/ | Make An Electroplating Marker, Because Plating Complex Objects Is Hard | Donald Papp | [
"3d Printer hacks",
"chemistry hacks"
] | [
"3d printed",
"brush plating",
"copper",
"electrolyte bath",
"electroplating",
"electroplating marker",
"nickel"
] | If an object is conductive or has been given a conductive coating, it can be given a metal skin via electroplating. Electroplating is a simple process that is perfectly accessible to anyone in possession of vinegar, salt, a power supply, and some metal such as copper or nickel.
The process might be simple, but as with ... | 22 | 8 | [
{
"comment_id": "6148054",
"author": "Mike Massen",
"timestamp": "2019-05-09T05:41:07",
"content": "This reminds of the Selectrons process used to build up wear on shafts and bearings on industrial equipment circa 1984, exploited natural selection of wear regions by constant application pressure and... | 1,760,373,936.950077 | ||
https://hackaday.com/2019/05/08/dark-absorbing-diodes-are-no-dad-joke/ | Dark Absorbing Diodes Are No DAD Joke | Al Williams | [
"Science"
] | [
"dark",
"photodiode",
"solar power"
] | We will confess that the authors of the Applied Physics Letters article “
Experimental Demonstration of Energy Harvesting from the Sky using the Negative Illumination Effect of a Semiconductor Photodiode
” never used the acronym DAD or the phrase “dark absorbing diode.” But we thought it was too good to pass up. The re... | 18 | 12 | [
{
"comment_id": "6148025",
"author": "Jim",
"timestamp": "2019-05-09T02:41:35",
"content": "This is a high tech spoof from the Onion, right?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6148035",
"author": "CMH62",
"timestamp": "2019-05-09T... | 1,760,373,937.145966 | ||
https://hackaday.com/2019/05/08/help-solve-the-single-transistor-latch-mystery/ | Help Solve The Single-Transistor Latch Mystery | Ted Yapo | [
"hardware"
] | [
"avalanche",
"latch",
"negative resistance",
"single transistor",
"transistor"
] | If you’ve spent any time on hackaday.io, you may have noticed that more than a few denizens of the site are fans of “alternative” electronic logic. Aiming to create digital circuits from such things as relays, vacuum tubes, discrete transistors, and occasionally diodes, they come up with designs that use these componen... | 33 | 20 | [
{
"comment_id": "6148001",
"author": "James Sleeman",
"timestamp": "2019-05-08T23:23:39",
"content": "The transistor is right on the edge of reverse breakdown and can be flipped easily.Without the pulldown the base is fully floating when “idle”.Once flipped into conducting (at/over the breakdown) so... | 1,760,373,937.0896 | ||
https://hackaday.com/2019/05/08/an-easy-camera-slider-build/ | An Easy Camera Slider Build | Lewin Day | [
"3d Printer hacks",
"digital cameras hacks"
] | [
"aluminum extrusion",
"camera",
"camera slider"
] | As smartphone cameras improve with each new generation, making quality video content is getting easier all the time. This means it takes a little more to stand out, so it pays to get creative with your cinematography. A slider is a great way to get some different shots,
and you can build one pretty cheaply too
(Youtube... | 1 | 1 | [
{
"comment_id": "6148965",
"author": "Col. Panek",
"timestamp": "2019-05-13T19:15:41",
"content": "Hmmm, I have an old printer/scanner which does most of that job, and has a motor too.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,937.18375 | ||
https://hackaday.com/2019/05/08/pushing-3d-printed-wheels-and-transmissions-to-the-limit/ | Pushing 3D Printed Wheels And Transmissions To The Limit | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"gear",
"mecanum",
"mecanum wheels",
"planetary gear",
"transmission"
] | What do you do if you want a robot with great mobility? Walking is hard, and wheels are good enough, especially if you use the ‘wheels within wheels’ Mecanum setup. But you need torque, too.
That’s what makes this entry into the Hackaday Prize
so fantastic. It’s a Mecanum wheel of sorts, with an integrated gear set tha... | 19 | 10 | [
{
"comment_id": "6147969",
"author": "Daren Schwenke",
"timestamp": "2019-05-08T20:26:35",
"content": "The stepper was just used for the initial test as the OpenSCAD source I borrowed from a previous project used one. The target application is actually a BLDC motor or a regular DC motor. I have a b... | 1,760,373,937.365282 | ||
https://hackaday.com/2019/05/08/fun-with-negative-resistance-jellybean-transistors/ | Fun With Negative Resistance: Jellybean Transistors | Ted Yapo | [
"Engineering",
"Hackaday Columns",
"hardware",
"Original Art"
] | [
"amplifier",
"curve tracer",
"negative resistance",
"oscillator",
"transistor",
"Tunnel diode"
] | The concept of negative resistance has always fascinated me. Of course, a true negative resistance is not possible, and what is meant is a negative
differential
resistance (NDR). But of course knowing the correct term doesn’t do anything to demystify the topic. Negative resistance sounds like an unusual effect, but it ... | 10 | 8 | [
{
"comment_id": "6147947",
"author": "tom",
"timestamp": "2019-05-08T18:40:37",
"content": "Tunnel diodes were also used to generate ~0.5V steps into 50ohm loads. Risetime was 10s of picoseconds, so well into the GHz region!Nowadays I’d use a comparator with LVDS outputs.",
"parent_id": null,
... | 1,760,373,937.422963 | ||
https://hackaday.com/2019/05/08/a-datasheet-manifesto-for-the-21st-century/ | A Datasheet Manifesto For The 21st Century | Jenny List | [
"Parts"
] | [
"boldport",
"datasheets",
"parts"
] | Selecting electronic components can be a frustrating process, one of trawling through the websites of distributors such as DigiKey, Mouser, or RS, and then poring over manufacturer data sheets. These documents produced as detailed guides to the technical specifications of a device contain enough to give an engineer eve... | 25 | 18 | [
{
"comment_id": "6147890",
"author": "Ostracus",
"timestamp": "2019-05-08T15:33:31",
"content": "” Chief among his desires are web-readable datasheets as well as the ubiquitous PDFs, with full data in human and machine readable forms instead of tiny printed graphs and tables.”Semantic Web. ;-)",
... | 1,760,373,937.488616 | ||
https://hackaday.com/2019/05/08/this-space-for-rent-advertisements-in-orbit/ | This Space For Rent: Advertisements In Orbit | Tom Nardi | [
"Current Events",
"Featured",
"Interest",
"Space"
] | [
"advertising",
"billboard",
"coke",
"logo",
"nasa",
"Space Shuttle"
] | Recently there’s been some buzz in the news that Pepsi, or more accurately the company’s Russian division, had partnered with a startup by the name of StartRocket to
experiment with the idea of putting “billboards” in space
. After overwhelmingly negative response to the idea on social media, Pepsi’s official line is t... | 34 | 20 | [
{
"comment_id": "6147857",
"author": "Ren",
"timestamp": "2019-05-08T14:06:09",
"content": "Years ago, some comedian on late night TV said…“Neal Armstrong could have set himself up for life, if his first words on The Moon, were “Coca Cola!” “",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,373,937.68291 | ||
https://hackaday.com/2019/05/08/this-atomic-pi-eats-other-pis-for-lunch/ | This Atomic Pi Eats Other Pis For Lunch | Brian Benchoff | [
"Microcontrollers"
] | [
"Atomic Pi",
"raspberry pi",
"SBC",
"x86"
] | The world is full of single board computers that want a slice of the Raspberry Pi action. Most of them are terrible. But fools and their money, yadda yadda, and there’s a new sucker born every minute.
The latest contender to the Raspberry Pi is the Atomic Pi
. It’s an x86-based single board computer that costs $35, shi... | 102 | 34 | [
{
"comment_id": "6147794",
"author": "ChrisPVille",
"timestamp": "2019-05-08T11:09:11",
"content": "I don’t know about you, but I write all my software for MIPS/N64. That way, I only need to write once and run anywhere there’s an emulator.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,937.820627 | ||
https://hackaday.com/2019/05/08/ardunios-pluggable-discovery-programs-with-any-protocol/ | Arduino’s Pluggable Discovery Programs With Any Protocol | Brian Benchoff | [
"Arduino Hacks"
] | [
"arduino",
"PJRC",
"Pluggable Discovery",
"Teensy",
"teensyduino"
] | The first Arduino was serial, and over the decade and a half, this has been the default way to upload code to an Arduino board. In 2008, support for in-circuit programmers was added, and later port detection was added. The latest version of the Arduino IDE adds something new:
pluggable discovery
. Now any protocol is s... | 9 | 5 | [
{
"comment_id": "6147776",
"author": "eternityforest",
"timestamp": "2019-05-08T08:13:53",
"content": "This is amazing! Now I want to take one of those three cent microcontrollers, program it as an i2c to serial device, and use that to upload code instead of USB to serial chips that need crystals or... | 1,760,373,937.601882 | ||
https://hackaday.com/2019/05/07/edge-lit-pendant-is-well-lit/ | Edge Lit Pendant, Is, Well… Lit | Lewin Day | [
"classic hacks"
] | [
"acrylic",
"edge lighting",
"edge-lit",
"jewelry",
"pendant"
] | Acrylic is a great material. It’s not cheap, but it comes in a wide variety of colours and styles and can be used to make some very attractive projects. [Geek Mom Projects] is a big fan,
and whipped up some fun pendants for a high school Maker Faire.
[Geek Mom] has long been a fan of edge-lighting, as it’s a great way ... | 3 | 1 | [
{
"comment_id": "6147779",
"author": "Alex Rossie",
"timestamp": "2019-05-08T08:55:04",
"content": "Oooof that pun.It looks like it would theme very well with an escape room.Maybe shape based? Hard to fit an RFID tag to itCould be keys around a spaceship or even Indiana Jones/Lara Croft style room",... | 1,760,373,937.942017 | ||
https://hackaday.com/2019/05/07/arduino-leonardo-gets-a-lockable-bootloader/ | Arduino Leonardo Gets A Lockable Bootloader | Lewin Day | [
"Arduino Hacks"
] | [
"arduino",
"Arduino Leonardo",
"bootloader"
] | Security is something that’s far too often overlooked in embedded devices. One of the main risks is that if the device doesn’t verify the authenticity of incoming firmware updates. [Walter Schreppers] was working on a USB password storage device, so security was paramount.
Thus, it was necessary to develop a secure boo... | 19 | 11 | [
{
"comment_id": "6147746",
"author": "geremy condra",
"timestamp": "2019-05-08T02:38:58",
"content": "Note well the requirement that HMAC comparisons be timing independent. It’s surprisingly difficult to get right, and depending on the specifics of your challenge/response scheme have a reasonable li... | 1,760,373,938.048234 | ||
https://hackaday.com/2019/05/07/the-sampler-that-fits-in-your-pocket/ | The Sampler That Fits In Your Pocket | Brian Benchoff | [
"Crowd Funding",
"Musical Hacks"
] | [
"Mozzi",
"mpc",
"synthesizer"
] | The future of the music instrument industry lies in synthesizers, and nowhere is this more apparent than the suite of tiny, pocket-sized synths more than capable of making bleeps and bloops. You’ve got tiny Korgs and Pocket Operators, and the time is ripe for people to wake up to tiny, pocket-sized synths.
The latest i... | 5 | 2 | [
{
"comment_id": "6147736",
"author": "Jim B",
"timestamp": "2019-05-08T00:00:04",
"content": "“The future of the music instrument industry lies in synthesizers …”Oy, Brian, I know you do this on purpose to provoke discussion, and I’ve fallen for it, but these dangerous comments will one day come bac... | 1,760,373,937.982166 | ||
https://hackaday.com/2019/05/07/a-quite-obscure-c128-video-mode-hack/ | A Quite Obscure C128 Video Mode Hack | Lewin Day | [
"Retrocomputing"
] | [
"c128",
"commodore",
"commodore 128"
] | 30 years ago, [Dave] found himself up a C128D creek without a paddle. His main monitor was on the fritz, and he needed to use his C128D in 40-column mode to run old C64 programs for development purposes. Normally this is only possible through the low quality composite out, but no composite monitor was available. Needs ... | 4 | 2 | [
{
"comment_id": "6147826",
"author": "Tutunkommon",
"timestamp": "2019-05-08T13:10:14",
"content": "My first thought was “OMG! Someone else owned a C128D!”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6220425",
"author": "Jerri Kohl",
"timestamp": "... | 1,760,373,938.086953 | ||
https://hackaday.com/2019/05/07/building-keyboards-with-resin-printers/ | Building Keyboards With Resin Printers | Brian Benchoff | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"3D resin printer",
"keyboard",
"resin",
"silicone"
] | Aside from putting a whole lot of tact switches on a board, no one has quite figured out how to make very small keyboards for wearable projects. [Madaeon] might have the answer, and it’s using a resin-based 3D printer
to create a flexible keyboard without silicone
.
The world of small keyboards is filled with what are ... | 12 | 6 | [
{
"comment_id": "6147675",
"author": "Ostracus",
"timestamp": "2019-05-07T19:10:41",
"content": "Home resin printers pretty common?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147678",
"author": "Jason Doege",
"timestamp": "2019-05-07T19:... | 1,760,373,938.138833 | ||
https://hackaday.com/2019/05/07/the-queen-of-the-hurricanes/ | The Queen Of The Hurricanes | Richard Baguley | [
"Biography",
"Featured",
"Original Art",
"Slider"
] | [
"Elsie MacGill",
"fighter plane",
"hurricane"
] | Engineering isn’t just about inventing new things. Sometimes, it is all about doing things better, cheaper and faster. That was what Elsie MacGill did for the “Hurricane” fighter plane in World War II, earning her the nickname of “Queen of the Hurricanes”.
Elsie Gregory MacGill / Library and Archives Canada [Public dom... | 20 | 8 | [
{
"comment_id": "6147661",
"author": "reboots",
"timestamp": "2019-05-07T17:54:10",
"content": "That comic book is a remarkable artifact of its time. “Miss MacGill, why do you want to work here at the Austin Aircraft Company?” “You’re offering the most pay! I’m half Scotch you know!”Elsie led an ins... | 1,760,373,938.209225 | ||
https://hackaday.com/2019/05/07/6th-annual-hackaday-x-tindie-mfba-meetup-with-a-new-larger-venue/ | 6th Annual Hackaday X Tindie MFBA Meetup With A New, Larger Venue | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"Bay Area Maker Faire 2019",
"kickstarter",
"meetup",
"MFBA",
"Tindie"
] | We want to hang out with you at Maker Faire Bay Area! Put our after-hours meetup on your schedule with a Sharpie, because
the 6th Annual Hackaday x Tindie MFBA Meetup w/ Kickstarter
will be bigger and better than ever with a new venue that has plenty of room for everyone!
The hacker crowd descends upon San Mateo weeken... | 1 | 1 | [
{
"comment_id": "6148478",
"author": "Reactive Light",
"timestamp": "2019-05-10T20:47:33",
"content": "Tindie Mafia Meetup?!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,938.245558 | ||
https://hackaday.com/2019/05/07/supercapacitors-propel-rocket-to-the-skies/ | Supercapacitors Propel Rocket To The Skies | Lewin Day | [
"Misc Hacks"
] | [
"brushless motor",
"brushless rocket",
"electric rocket",
"rocket",
"supercapacitor"
] | OK, so this isn’t really a rocket. In the strictest definition, rockets are vehicles or projectiles that propel themselves through jettisoning mass, usually through the combustion of fuel. But with electric motors getting stronger and stronger, folks are building craft that look a lot more like rockets than airplanes.
... | 33 | 11 | [
{
"comment_id": "6147609",
"author": "jcwren",
"timestamp": "2019-05-07T15:31:20",
"content": "That’s really cool. Looks like the only real “design flaw” is that you’ll be replacing the prop a lot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147635",
... | 1,760,373,938.389073 | ||
https://hackaday.com/2019/05/07/how-art-became-science-in-machining/ | How Art Became Science In Machining | Quinn Dunki | [
"Hackaday Columns",
"Interest",
"Slider"
] | [
"machine tools",
"machining"
] | Machining is one of those fascinating fields that bridges the pre-scientific and scientific eras. As such, it has gone from a discipline full of home-spun acquired wisdom and crusty old superstitions to one of rigorously analyzed physics and crusty old superstitions.
The earliest machinists figured out most of what you... | 57 | 16 | [
{
"comment_id": "6147585",
"author": "Jerry",
"timestamp": "2019-05-07T14:09:16",
"content": "Let the chips fall where they may..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147625",
"author": "Ren",
"timestamp": "2019-05-07T16:10:58",
... | 1,760,373,938.632242 | ||
https://hackaday.com/2019/05/07/lots-of-blinky-esp32-drives-20000-ws2812-leds/ | Lots Of Blinky! ESP32 Drives 20,000 WS2812 LEDs | Bob Baddeley | [
"LED Hacks"
] | [
"74hc595",
"ESP32",
"led",
"LED array",
"led matrix",
"RGB LED matrix",
"ws2812",
"ws2812b"
] | 20,000 LEDs sounds like an amazing amount of blink. When we start to consider the process of putting together 20,000 of anything, and then controlling them all with a small piece of electronics the size of a postage stamp, we get a little bit dizzy.
To be fair, we’re not sure that [yves-bazin] has put together 20,000 L... | 17 | 5 | [
{
"comment_id": "6147559",
"author": "Jan",
"timestamp": "2019-05-07T11:44:22",
"content": "okay… interesting project.I wonder though, how much current would 20000 LEDs draw? At 18mA per LED, that would mean a 360A?!?But seriously now, demonstration shows the principle works with squared paper, I wo... | 1,760,373,938.686726 | ||
https://hackaday.com/2019/05/07/add-usb-c-to-your-laptop-almost/ | Add USB-C To Your Laptop (Almost) | Jenny List | [
"computer hacks"
] | [
"usb",
"USB C",
"usb c power delivery",
"USB-PD"
] | It’s a very brave person who takes a Dremel or similar to the case of their svelte new laptop in the quest for a new connector, it sounds as foolhardy as that hoax from a while back in which people tried to drill a 3.5mm jack into their new iPhones. But that’s what [
BogdanTheGeek
] has done, in
adding a USB-C port to ... | 24 | 6 | [
{
"comment_id": "6147546",
"author": "Romain",
"timestamp": "2019-05-07T10:17:45",
"content": "The real hack would be to have a PCIe to USB-C chip and connect it to a spare PCIe connector, like the ones used for WiFi or 4G cards.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,938.750698 | ||
https://hackaday.com/2019/05/06/super-mario-land-dx-rom-hack-shows-what-game-boy-could-have-looked-like/ | Super Mario Land DX ROM Hack Shows What Game Boy Could Have Looked Like | Drew Littrell | [
"Games",
"Nintendo Game Boy Hacks"
] | [
"gameboy",
"handheld game",
"retro gaming",
"ROM hack",
"videogames"
] | It was about time (Mario Time) that Super Mario Land for the original Game Boy was revisited. The game served as the entry point into the world of portable gaming for millions, and it was an early example of the type of adventure players could expect from a handful of AA batteries. The original Game Boy system itself m... | 9 | 4 | [
{
"comment_id": "6147521",
"author": "3L_S4N70",
"timestamp": "2019-05-07T07:21:36",
"content": "I have had only the chance to see the first minute. Impressive work, I miss something though: when you take the flower, shouldn’t the colthes change to say… white? I mean, instead of remaining the same c... | 1,760,373,938.794221 | ||
https://hackaday.com/2019/05/06/getting-that-neon-sign-look-without-all-the-hassle/ | Getting That Neon Sign Look Without All The Hassle | Ted Yapo | [
"LED Hacks"
] | [
"DMX lighting",
"neon sign",
"RGB LED"
] | We all love the look of neon signage, but the between the glassblowing equipment, gas cylinders, high voltage, and the associated skill set, it’s not practical for everyone. Luckily, these days there’s a good alternative: “neon” flexible LED strips. This is the approach [Benni] recently took in
making a large logo disp... | 27 | 9 | [
{
"comment_id": "6147487",
"author": "reg",
"timestamp": "2019-05-07T03:23:50",
"content": "The thing that Ted is totally missing is that neon is not just one art, but the mastery of many arts. And a well constructed neon display can have a lifespan of decades of continuous use. This display is ne... | 1,760,373,938.907487 | ||
https://hackaday.com/2019/05/06/thumbs-up-for-this-crt-handheld-gaming-console/ | Thumbs Up For This CRT Handheld Gaming Console | Sven Gregori | [
"Raspberry Pi"
] | [
"camcorder",
"camcorder viewfinder",
"game console",
"handheld game",
"PICO-8",
"raspberry pi",
"Raspberry Pi Zero",
"retro gaming",
"viewfinder"
] | Despite all the progress video game graphics have made, it is safe to say that we won’t see any decline in oldschool 8-bit games any time soon. For some it’s about nostalgia, for others it’s just a great and simple-enough first step into game development itself. For [gocivici] it was a bit of both when he built
this ca... | 10 | 6 | [
{
"comment_id": "6147477",
"author": "Hirudinea",
"timestamp": "2019-05-07T00:11:08",
"content": "Wow, does that video look crappy, I love it! Sure you can get better video but it just lacks the “charm” of a tiny CRT, they should add support to play videos on this, should be pretty trivial software ... | 1,760,373,938.952024 | ||
https://hackaday.com/2019/05/05/clock-radio-receives-upgrade/ | Clock Radio Receives Upgrade | Bryan Cockfield | [
"Radio Hacks"
] | [
"14 MHz",
"20m",
"40m",
"7 Mhz",
"90's",
"amateur radio",
"clock radio",
"ham",
"radio",
"receiver"
] | Before everyone had a cell phone alarm to wake them up in the mornings, most of us used clock radios that would faithfully sit by our beds for years. You could have either a blaring alarm to wake you up, or be gently roused from slumber by one of your local radio stations. These devices aren’t as commonly used anymore,... | 8 | 4 | [
{
"comment_id": "6147110",
"author": "Mark Cooper Sr.",
"timestamp": "2019-05-05T12:47:12",
"content": "VERY cool ‘upgrade’ !! I will most surely implement this project quite soon ! GREAT idea ! 73, Mark, Amateur Radio Station Extra Class, WN3SIX",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,938.843396 | ||
https://hackaday.com/2019/05/05/3d-printed-parts-let-you-hold-work-the-way-you-want/ | 3D Printed Parts Let You Hold Work The Way You Want | Dan Maloney | [
"Tool Hacks"
] | [
"clamp",
"fixture",
"helping hands",
"tool fixture",
"vise",
"work holding"
] | Fixturing and work holding can be huge problems for hackers. Let’s face it – that $5, alligator clip-festooned “Helping Hand” is good for only the smallest of workpieces, and the problem only gets worse as the size scales up. One can jury rig fixtures for things like microscopes and lights, but a systematic approach li... | 6 | 2 | [
{
"comment_id": "6147118",
"author": "oigasj",
"timestamp": "2019-05-05T14:49:36",
"content": "3D printing something that could be made very quickly with a couple pieces of scrap steel. Way to go.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6147157",
... | 1,760,373,938.994781 | ||
https://hackaday.com/2019/05/04/finally-a-tv-for-portrait-videos/ | Finally, A TV For Portrait Videos | Brian Benchoff | [
"home entertainment hacks"
] | [
"samsung",
"vertical",
"Vertical video"
] | Vertical video is bad, or so we’re told, and you shouldn’t shoot a video with your phone in a vertical position. Why? Because all monitors are wider than they are tall. This conventional wisdom is being challenged by none other than Samsung.
There is now a vertical TV
(Korean,
Google Translate link
) , engineered speci... | 54 | 27 | [
{
"comment_id": "6147062",
"author": "Saabman",
"timestamp": "2019-05-05T05:17:49",
"content": "Yes many years ago I had a 2 A4 page monitor ( only monochrome) but great for working on documents.We’ve been conned by the entertainment industry oooohhh wide screen movies great for movies but crap for ... | 1,760,373,939.196541 | ||
https://hackaday.com/2019/05/04/faxsploit-exploiting-a-fax-with-a-picture/ | Faxsploit – Exploiting A Fax With A Picture | Pedro Umbelino | [
"Security Hacks"
] | [
"defcon",
"exploit",
"fax",
"faxsploit"
] | Security researchers have found a way to remotely execute code on a fax machine by sending a specially crafted document to it. So… who cares about fax? Well apparently a lot of persons are still using it in many institutions, governments and industries, including the healthcare industry, legal, banking and commercial. ... | 26 | 12 | [
{
"comment_id": "6147054",
"author": "Generic Human",
"timestamp": "2019-05-05T03:35:33",
"content": "lp0 on fire",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6147055",
"author": "Jonathan Bennett",
"timestamp": "2019-05-05T03:50:03",
"content": ... | 1,760,373,939.27631 | ||
https://hackaday.com/2019/05/04/vintage-terminal-converted-for-galactic-use-in-time-for-may-the-fourth/ | Vintage Terminal Converted For Galactic Use In Time For May The Fourth | Dan Maloney | [
"Retrocomputing"
] | [
"2645A",
"Aurebesh",
"font",
"H-P",
"May the Fourth",
"PROM",
"serial",
"star wars",
"terminal",
"vt-100"
] | “Not as clumsy or random as Windows. An elegant terminal, for a more civilized age.” [Ben Kenobi] might well have said that about the Hewlett-Packard 264x-series of serial terminals, in use starting at just about the time the original installment of the
Star Wars
franchise was released. With their wide-screen CRTs and... | 12 | 6 | [
{
"comment_id": "6147029",
"author": "Hirudinea",
"timestamp": "2019-05-05T00:03:54",
"content": "So you can teach an old dog new trick, nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6147045",
"author": "Gregg Eshelman",
"timestamp": "2019-05-05... | 1,760,373,939.332459 | ||
https://hackaday.com/2019/05/04/star-wars-electrostaff-effect-done-with-spinning-leds/ | Star Wars Electrostaff Effect, Done With Spinning LEDs | Donald Papp | [
"LED Hacks"
] | [
"3d printed",
"arc",
"electrostaff",
"led",
"may the 4th",
"persistence of vision",
"POV",
"star wars"
] | [Bithead] wanted to make a prop replica of an Electrostaff from Star Wars, but wasn’t sure how best to create the “crackling arcs of energy” effect at the business ends. After a few false starts, he decided to leverage the persistence of vision effect by
spinning LEDs in more than one axis to create helical arcs of lig... | 11 | 5 | [
{
"comment_id": "6147024",
"author": "Paul",
"timestamp": "2019-05-04T22:55:40",
"content": "I have not done the arithmetic, but it sure looks like the torque due to gyroscopic precession must be huge, trying to whip that rotating wheel around at that rate. I can’t imaging the batteries (or the bea... | 1,760,373,939.397469 | ||
https://hackaday.com/2019/05/04/talking-washer-is-a-clean-solution-for-the-visually-impaired/ | Talking Washer Is A Clean Solution For The Visually Impaired | Kristina Panos | [
"Arduino Hacks",
"Lifehacks"
] | [
"Arduino Uno",
"assistive technology",
"ldr",
"photocell"
] | Have you shopped for an appliance lately? They’re all LEDs, LEDs everywhere. You might say that manufacturers are out of touch with the utility of tactile controls. [Wingletang]’s fancy new washing machine is cut from this modern cloth. While it does have a nice big knob for selecting cycles, the only indication of you... | 27 | 13 | [
{
"comment_id": "6146996",
"author": "Steven Clark",
"timestamp": "2019-05-04T17:19:30",
"content": "I ran into some of this with my Grandmother with halted Macular Degeneration. I eventually put in a Google home mini on the assumption that was the closest we were getting to a working computer with... | 1,760,373,939.475632 |
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