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https://hackaday.com/2018/12/11/modified-f-clamp-is-wheely-good/
Modified F Clamp Is Wheely Good
Lewin Day
[ "Tool Hacks" ]
[ "bar clamp", "clamp", "tool" ]
https://hackaday.com/wp-…/450b1.png?w=800
Sometimes, a job is heavy, messy, or unwieldy, and having an extra pair of hands to help out makes the job more than twice as easy. However, help isn’t always easy to find. Faced with this problem, [create] came up with an ingenious solution to help move long and heavy objects without outside assistance. Simple, and ef...
18
10
[ { "comment_id": "5586821", "author": "visitorcenterca", "timestamp": "2018-12-11T19:46:56", "content": "Well that is a smart idea!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5586824", "author": "Ren", "timestamp": "2018-12-11T19:56:19", ...
1,760,374,115.226925
https://hackaday.com/2018/12/11/julius-lilienfeld-and-the-first-transistor/
Julius Lilienfeld And The First Transistor
Dan Maloney
[ "Biography", "Engineering", "Featured", "History", "Original Art", "Slider" ]
[ "bell labs", "copper sulfide", "fet", "field effect", "field emission", "invention", "patent", "semiconductor", "thin film", "transistor" ]
https://hackaday.com/wp-…enfeld.jpg?w=800
Here’s a fun exercise: take a list of the 20th century’s inventions and innovations in electronics, communications, and computing. Make sure you include everything, especially the stuff we take for granted. Now, cross off everything that can’t trace its roots back to the AT&T Corporation’s research arm, the Bell Labora...
31
12
[ { "comment_id": "5586710", "author": "kevinmkessler", "timestamp": "2018-12-11T18:54:51", "content": "I remember in college that a professor mentioned in passing that the FET was theorized first, because its operation is far more straightforward than a BJT, but they were unable to manufacture them b...
1,760,374,115.833419
https://hackaday.com/2018/12/11/off-road-vehicle-has-six-wheels-and-fluid-power/
Off Road Vehicle Has Six Wheels And Fluid Power
Al Williams
[ "News" ]
[ "azaris", "ferox", "hydraulic", "liquid drivetrain", "liquid motor" ]
https://hackaday.com/wp-…/ferox.png?w=800
What has six wheels and runs on water? Azaris — a new off-road vehicle prototype from Ferox. Azaris has a rocker suspension modeled after the one on the Mars rover. The problem is, linking four drive wheels on a rocker suspension would be a nightmare. The usual solution? Motors directly in the wheels. But Ferrox has a ...
44
19
[ { "comment_id": "5586076", "author": "Ren", "timestamp": "2018-12-11T16:34:27", "content": "A video of “stills” (sigh!).", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5586525", "author": "jrfl", "timestamp": "2018-12-11T18:29:25", "c...
1,760,374,115.491011
https://hackaday.com/2018/12/11/abs-three-plastics-in-one/
ABS: Three Plastics In One
Dan Maloney
[ "chemistry hacks", "Featured", "Interest", "Slider" ]
[ "abs", "acrylonitrile butadiene styrene", "copolymer", "extrusion", "filament", "injection molding", "lego", "monomer", "polymer", "polymerization" ]
https://hackaday.com/wp-…bricks.jpg?w=799
It would be really hard to go through a typical day in the developed world without running across something made from ABS plastic. It’s literally all over the place, from toothbrush handles to refrigerator interiors to car dashboards to computer keyboards. Many houses are plumbed with pipes extruded from ABS, and it li...
31
10
[ { "comment_id": "5586028", "author": "Ren", "timestamp": "2018-12-11T15:41:53", "content": "Interesting, thanks!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5586102", "author": "MK 2", "timestamp": "2018-12-11T17:19:27", "content": "BTW: Lego is...
1,760,374,115.71348
https://hackaday.com/2018/12/11/true-transparent-parts-from-a-desktop-3d-printer/
True Transparent Parts From A Desktop 3D Printer
Tom Nardi
[ "3d Printer hacks", "Parts" ]
[ "3d printing", "FDM", "plastic", "post-process", "Prusament", "sanding", "transparent" ]
https://hackaday.com/wp-…p_feat.jpg?w=800
We’re no strangers to seeing translucent 3D printed parts: if you print in a clear filament with thin enough walls you can sorta see through the resulting parts. It’s not perfect, but if you’re trying to make a lamp shade or decorative object, it’s good enough. You certainly couldn’t print anything practical like viewi...
14
8
[ { "comment_id": "5585915", "author": "wes wortman", "timestamp": "2018-12-11T13:47:46", "content": "I have another method. If you print in vase mode and then coat the inside and outside in xtc-3d will be transparent. I think 3 shelled hollow models will work also. The design choices for vase mode ar...
1,760,374,115.411598
https://hackaday.com/2018/12/11/biology-lab-on-your-christmas-list/
Biology Lab On Your Christmas List
Brian McEvoy
[ "chemistry hacks" ]
[ "biology", "genetics", "lab", "laboratory", "stock", "the chem life", "the thought emporium", "[Justin Atkin]" ]
https://hackaday.com/wp-…biolab.jpg?w=800
We hope you have been good this year because we have a list to start your own biology lab and not everything will fit into Santa’s bag (of holding). If you need some last minute goodie points, Santa loves open-source and people who share on our tip line. Our friends at [The Thought Emporium] have compiled a list of the...
6
2
[ { "comment_id": "5585686", "author": "Mike Massen", "timestamp": "2018-12-11T09:29:04", "content": "Cool, just my kind of thing, should see my electronics stash soon to be exceeded by my biology stash with a 130K rpm centrifuge already though could do with another rotor and top half vacuum chamber. ...
1,760,374,115.27138
https://hackaday.com/2018/12/10/interfacing-phillips-hue-lights-with-everything/
Interfacing Philips Hue Lights With Everything
Brian Benchoff
[ "home hacks" ]
[ "hue", "philips" ]
https://hackaday.com/wp-…header.png?w=800
The Internet of Things is eating the world alive, and we can’t buy incandescent light bulbs anymore. This means the Internet is now in light bulbs, and with that comes some special powers. You can turn lights on and off from a botnet. You can change the colors. This is the idea for the Philips Hue system, which is well...
46
11
[ { "comment_id": "5585601", "author": "Sjoerd", "timestamp": "2018-12-11T06:13:20", "content": "If you’re building out your internet-connected home lighting solution, check out Home Assistant:https://www.home-assistant.io/,https://github.com/home-assistant/home-assistantOpen Source home automation th...
1,760,374,115.642082
https://hackaday.com/2018/12/12/warnings-on-steroids-static-code-analysis-tools/
Warnings On Steroids – Static Code Analysis Tools
Sven Gregori
[ "Slider", "Software Development" ]
[ "C language", "c programming", "clang", "code analysis", "gcc", "lint", "secure programming", "software development", "software quality" ]
https://hackaday.com/wp-…eroids.jpg?w=800
A little while back, we were talking about utilizing compiler warnings as first step to make our C code less error-prone and increase its general stability and quality. We know now that the C compiler itself can help us here, but we also saw that there’s a limit to it. While it warns us about the most obvious mistakes ...
11
10
[ { "comment_id": "5588603", "author": "Alan Hightower", "timestamp": "2018-12-12T15:10:17", "content": "Just want to point out there is no substitute for dynamic analysis tools. I’ve worked on many embedded projects targeted for architectures other than x86 and made a point of keeping the code porta...
1,760,374,115.760295
https://hackaday.com/2018/12/12/a-pi-cluster-to-hang-in-your-stocking-with-care/
A Pi Cluster To Hang In Your Stocking With Care
Tom Nardi
[ "ARM", "Raspberry Pi" ]
[ "arm", "cluster", "compute module", "raspberry pi", "SODIMM" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
It’s that time of year again, with the holidays fast approaching friends and family will be hounding you about what trinkets and shiny baubles they can pretend to surprise you with. Unfortunately there’s no person harder to shop for than the maker or hacker: if we want it, we’ve probably already built the thing. Or at ...
42
13
[ { "comment_id": "5588381", "author": "Sjaak", "timestamp": "2018-12-12T12:14:19", "content": "I’m looking also into these compute modules, but am a bit concerned about the thermal performance. A lot of normal pi’s are retrofitted with a heatsink. I think I can glue a heatsink on these modules, but m...
1,760,374,115.353343
https://hackaday.com/2018/12/12/toast-printer-prints-tasty-images-and-weather-forecasts/
Toast Printer Prints Tasty Images And Weather Forecasts
Richard Baguley
[ "Raspberry Pi" ]
[ "pic32", "toast" ]
https://hackaday.com/wp-…oasty1.jpg?w=800
Electrical Engineering degrees usually focus on teaching you useful things, like how to make electronic devices that actually work and that won’t kill you. But that doesn’t mean that you can’t have some fun on the way. Which is what Cornell students [Michael Xiao] and [Katie Bradford] decided to do with T.O.A.S.T: The ...
32
11
[ { "comment_id": "5588178", "author": "someguy", "timestamp": "2018-12-12T10:15:34", "content": "not sure i’d call untoasted toast toast. to me that’s bread…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5588639", "author": "Nicholas", "times...
1,760,374,115.560816
https://hackaday.com/2018/12/11/fpga-hack-becomes-an-atari-game-genie/
FPGA Hack Becomes An Atari Game Genie
Brian Benchoff
[ "FPGA" ]
[ "atari", "fpga", "Game Genie" ]
https://hackaday.com/wp-…2/gene.png?w=800
The Game Genie is a classic of the early 90s video game scene. It’s how you would have beaten the Ninja Turtles game, and it’s why the connector in your NES doesn’t work as it should. They never made a Game Genie for the Atari 2600, though, because by the time the Game Genie was released, the Atari was languishing on t...
17
4
[ { "comment_id": "5587932", "author": "Veda", "timestamp": "2018-12-12T07:26:17", "content": "Why doesn’t the connector in a NES work as it should?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5588011", "author": "daid303", "timestamp": "201...
1,760,374,116.011549
https://hackaday.com/2018/12/11/improving-depth-of-field-with-only-5-phones/
Improving Depth Of Field With Only 5 Phones
Lewin Day
[ "News" ]
[ "camera", "camera development", "development", "google", "pixel", "smartphone" ]
https://hackaday.com/wp-…ain313.jpg?w=800
The hottest new trend in photography is manipulating Depth of Field, or DOF. It’s how you get those wonderful portraits with the subject in focus and the background ever so artfully blurred out. In years past, it was achieved with intelligent use of lenses and settings on an SLR film camera, but now, it’s all in the so...
46
7
[ { "comment_id": "5587538", "author": "stereoscope3d", "timestamp": "2018-12-12T03:35:44", "content": "Why would anyone want parts of an image to be blurry? A sign of a professional image is that it is sharp throughout. Years ago some cheap amateur cameras would make images with fuzzy areas. That ...
1,760,374,116.602551
https://hackaday.com/2018/12/11/makerbot-moves-away-from-makers-with-new-printer/
MakerBot Moves Away From Makers With New Printer
Tom Nardi
[ "3d Printer hacks", "Current Events", "Hackaday Columns" ]
[ "heated enclosure", "industry", "makerbot", "Method", "Octoprint", "Prusa i3 Mk3" ]
https://hackaday.com/wp-…d_feat.jpg?w=800
If you’ve been following the desktop 3D printing market for the last couple years, you’re probably aware of the major players right now. Chinese companies like Creality are dominating the entry level market with machines that are priced low enough to border on impulse buys, Prusa Research is iterating on their i3 desig...
53
15
[ { "comment_id": "5587033", "author": "Ostracus", "timestamp": "2018-12-12T00:21:58", "content": "Problem, much like cellphones is the bottom fills up fast and there’s little money in it. The only way to go is the opposite direction.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,374,116.697863
https://hackaday.com/2018/12/11/open-hardware-board-for-robust-usb-power-monitoring/
Open Hardware Board For Robust USB Power Monitoring
Tom Nardi
[ "hardware", "Tool Hacks" ]
[ "adc", "i2c", "ncurses", "open hardware", "power monitor", "test equipment", "usb" ]
https://hackaday.com/wp-…m_feat.jpg?w=800
We’ve all seen the little USB power meters that have become popular since nearly every portable device has adopted some variation of USB for charging. Placed between the power source and the device under test, they allow you to see voltage and current in real time. Perfect for determining how long you’ll be able to run...
9
5
[ { "comment_id": "5586846", "author": "Danny Bokma", "timestamp": "2018-12-11T21:10:16", "content": "Nice project, but did anybody point out that USB-PD is going to be a thing?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5586848", "author": "Ren", "t...
1,760,374,116.452737
https://hackaday.com/2018/12/10/bootstrapping-an-msdos-assembler-with-batch-files/
Bootstrapping An MSDOS Assembler With Batch Files
Al Williams
[ "Retrocomputing", "Software Hacks" ]
[ "8086", "8088", "assembler", "batch file", "msdos", "x86" ]
https://hackaday.com/wp-…go6001.png?w=800
You have a clean MSDOS system, and you need to write some software for it. What do you do? You could use debug, of course. But there are no labels so while you can get machine code from mnemonics, you’ll still need to figure out the addresses on your own. That wasn’t good enough for [mniip], who created an assembler us...
26
10
[ { "comment_id": "5585551", "author": "steven", "timestamp": "2018-12-11T03:17:37", "content": "I’ve read that this was possible, but couldn’t ever find an implementation anywhere.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5585905", "author": "M"...
1,760,374,116.927928
https://hackaday.com/2018/12/10/laptop-chargers-team-up-to-get-the-juice-flowing/
Laptop Chargers Team Up To Get The Juice Flowing
Tom Nardi
[ "laptops hacks", "Parts" ]
[ "ibm", "laptop charger", "power supply", "schottky diode" ]
https://hackaday.com/wp-…c_feat.jpg?w=800
There’s perhaps nothing harder to throw away than a good power supply. Whether it’s the classic “wall wart” whose mate has long since been misplaced or a beefy ATX you pulled out of a trashed computer, it always seems like there should be something you could do with these little wonders of modern power conversion. So i...
33
6
[ { "comment_id": "5585468", "author": "RW ver 0.0.1", "timestamp": "2018-12-11T00:07:13", "content": "Also worth remembering if you want somewhere around 50V from 115V AC, is the 2:1 transformers found in older PC power supplies with a 230/115V switch.", "parent_id": null, "depth": 1, "re...
1,760,374,117.002431
https://hackaday.com/2018/12/10/crawling-pcb-bot-is-flexible-where-it-counts/
Crawling PCB ‘Bot Is Flexible Where It Counts
Lewin Day
[ "3d Printer hacks" ]
[ "flexible PCB", "pcb", "robot", "robot locomotion", "robot walker", "walker", "walking robot" ]
https://hackaday.com/wp-…lex450.jpg?w=800
20 years ago, PCB production was expensive and required a multitude of phone calls and emails to a fab with significant minimum order restrictions. Now, it’s cheap and accessible online, which in addition to curtailing the home etching market has created significant new possibilities for home projects. Now that flexibl...
1
1
[ { "comment_id": "5592117", "author": "Stephen Fitton", "timestamp": "2018-12-13T21:11:07", "content": "Want to walk your bot ,use a receiver, use an amp chip with bent Nicanol Memory wire, heat coil around each leg in set sequence for forward,back sideways movement. In theory no moving parts ,but a...
1,760,374,116.40465
https://hackaday.com/2018/12/10/mini-van-de-graaff-is-a-shocking-desk-toy/
Mini Van De Graaff Is A Shocking Desk Toy
Tom Nardi
[ "classic hacks", "Science" ]
[ "high voltage", "metal sphere", "static electricity", "van de graaff" ]
https://hackaday.com/wp-…n_feat.jpg?w=800
The Van De Graff generator is a device capable of generating potentially millions of volts of electricity which you can build in an afternoon, probably from parts you’ve got in the junk bin. This is not a fact that’s escaped the notice of hackers for decades, and accordingly we’ve seen several Van De Graaff builds over...
21
7
[ { "comment_id": "5585409", "author": "Stephen Fitton", "timestamp": "2018-12-10T21:18:48", "content": "The build up of static ,luckerly is shorted out, The above condition has been naturally generated inside machines since the introdution of plastic on metal parts, This caused machines to overide th...
1,760,374,116.863262
https://hackaday.com/2018/12/10/the-space-station-has-a-supercomputer-stowaway/
The Space Station Has A Supercomputer Stowaway
Tom Nardi
[ "computer hacks", "Current Events", "Hackaday Columns", "Slider", "Space" ]
[ "hewlett packard", "high performance computing", "international space station", "linux", "server", "ssd" ]
https://hackaday.com/wp-…e_feat.jpg?w=800
The failed launch of Soyuz MS-10 on October 11th, 2018 was a notable event for a number of reasons: it was the first serious incident on a manned Soyuz rocket in 35 years, it was the first time that particular high-altitude abort had ever been attempted, and most importantly it ended with the rescue of both crew member...
59
12
[ { "comment_id": "5585328", "author": "Ostracus", "timestamp": "2018-12-10T18:14:11", "content": "Waiting to see how the first quantum computer would fare in such an environment.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5585410", "author": "Jaso...
1,760,374,116.801174
https://hackaday.com/2018/12/10/dozens-of-servos-flip-the-segments-of-this-3d-printed-digital-clock/
Dozens Of Servos Flip The Segments Of This 3D-Printed Digital Clock
Dan Maloney
[ "clock hacks" ]
[ "digital clock", "flip-dot", "raspberry pi", "servo", "seven segment", "Windows IoT" ]
https://hackaday.com/wp-…819764.png?w=800
A digital clock based on seven-segment displays? Not exciting. A digital clock with seven-segment displays that’s really big and can be read across a football field? That’s a little more interesting. A large format digital clock that uses electromechanical seven-segment displays? Now that’s something to check out. This...
16
7
[ { "comment_id": "5585317", "author": "RoboMonkey", "timestamp": "2018-12-10T17:52:36", "content": "paint the plastic black. That yellow makes it difficult to watch.Neat though.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5585388", "author": "Eric...
1,760,374,116.512359
https://hackaday.com/2018/12/10/the-evolution-of-wireless-game-controllers/
The Evolution Of Wireless Game Controllers
Drew Littrell
[ "Featured", "History", "Original Art", "Slider" ]
[ "controllers", "history", "video games", "videogames", "wireless" ]
https://hackaday.com/wp-…gaming.jpg?w=800
The story goes that Atari was developing a premium model of their popular home video game console, the Atari 2600, for the 1981 fiscal year. Internally known as the Stella RC, this model revision promised touch sensitive game selection toggles, LED indicators, and onboard storage for the controllers. The focus of the p...
14
10
[ { "comment_id": "5585262", "author": "Artur_Heise", "timestamp": "2018-12-10T15:47:58", "content": "I still got GAME MATE 2 in it’s original packaging, rarely used. :)", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5585296", "author": "Matt Cramer", "t...
1,760,374,117.068154
https://hackaday.com/2018/12/10/playstation-classic-hacked-live-on-stream/
PlayStation Classic Hacked Live On Stream
Drew Littrell
[ "Playstation Hacks" ]
[ "hardware hack", "playstation", "sony", "videogames" ]
https://hackaday.com/wp-…-body1.png?w=800
When Sony announced they planned to release their own classic/mini/plug-n-play system this year, many fans were filled with excitement at the chance to relive countless classic games from the 90s. However, once the actual list of titles were made public that excitement faded as reality set in. So many favorites like Cr...
33
5
[ { "comment_id": "5585042", "author": "Mr T.", "timestamp": "2018-12-10T12:05:33", "content": "I’m pretty sure they didn’t forget the key. Helping the hackers hack makes this console more attractive for lots of people and now everyone can load whatever game they want without Sony having to trouble th...
1,760,374,117.186421
https://hackaday.com/2018/12/10/hydrogen-powered-nerf-blaster-is-dangerously-awesome/
Hydrogen Powered Nerf Blaster Is Dangerously Awesome
Lewin Day
[ "Toy Hacks" ]
[ "blaster", "electrolysis", "hydrogen", "nerf", "nerf blaster" ]
https://hackaday.com/wp-…004501.jpg?w=800
Nerf blasters have been around for decades now, exciting children and concerning parents alike. Most are powered by springs or compressed air, and are the ideal holiday toy for putting delicate family heirlooms at risk. Not content to settle for the usual foam-flinging sidearm, [Peter Sripol] decided to take things up ...
10
7
[ { "comment_id": "5584832", "author": "tomás zerolo", "timestamp": "2018-12-10T09:59:19", "content": "Stainless steel electrodes (more specifically the anode) produce hexavalent chromium, which is a *real nasty*.Don’t dump the electrolyte, or better, use another anode. Graphite scavenged from dry cel...
1,760,374,117.116867
https://hackaday.com/2018/12/09/from-spidriver-to-i2cdriver/
From SPIDriver To I2CDriver
Bryan Cockfield
[ "Microcontrollers" ]
[ "communications", "i2c", "i2cdriver", "microcontroller", "screen", "spi", "tool", "usb" ]
https://hackaday.com/wp-…/main2.jpg?w=800
Communicating with microcontrollers and other embedded systems requires a communications standard. SPI is a great one, and is commonly used, but it’s not the only one available. There’s also I2C which has some advantages and disadvantages compared to SPI. The problem with both standards, however, is that modern compute...
30
8
[ { "comment_id": "5584542", "author": "Ø", "timestamp": "2018-12-10T06:22:42", "content": "Modern computers do in fact have i2c, if they have any kind of standardized connector for external/additional monitor(s)It is used for the eeprom in the displays that stores the specifications of supported reso...
1,760,374,117.401287
https://hackaday.com/2018/12/09/christmas-pov-display-makes-viewer-do-the-work/
Christmas POV Display Makes Viewer Do The Work
Tom Nardi
[ "Arduino Hacks", "Holiday Hacks", "LED Hacks" ]
[ "christmas lights", "holiday", "PORTD", "POV" ]
https://hackaday.com/wp-…v_feat.jpg?w=800
Hackaday readers have certainly seen more than a few persistence of vision (POV) displays at this point, which usually take the form of a spinning LED array which needs to run up to a certain speed before the message becomes visible. The idea is that the LEDs rapidly blink out a part of the overall image, and when they...
12
9
[ { "comment_id": "5584187", "author": "Valen00", "timestamp": "2018-12-10T03:09:25", "content": "But… as soon as you look at it stops working, some kind of Machiavellian scheme here", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5584258", "author": "j...
1,760,374,117.518355
https://hackaday.com/2018/12/09/hackaday-links-december-9-2018/
Hackaday Links: December 9, 2018
Brian Benchoff
[ "Hackaday Columns", "Hackaday links" ]
[ "Dollar Scorpion Club", "Pontiac Aztek", "SpaceX", "sparklecon" ]
https://hackaday.com/wp-…banner.jpg?w=800
SpaceX launched a rocket this week, and things did not go as planned . The hydraulics on the grid fins were stuck when the first stage started its atmospheric recovery, and the booster became a fish. The booster landed about a mile or so offshore, which meant we got some great footage of a failed landing, and there are...
28
8
[ { "comment_id": "5583815", "author": "Jorhlok", "timestamp": "2018-12-10T00:54:10", "content": "The first screenshot of that mac shows a windows xp desktop. And the text says it runs iOS 11. It’s just nonsense.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "55...
1,760,374,117.467617
https://hackaday.com/2018/12/09/bose-wants-you-to-listen-up-for-augmented-reality/
Bose Wants You To Listen Up For Augmented Reality
Al Williams
[ "News", "Virtual Reality" ]
[ "augmented reality", "bluetooth", "bose", "sunglasses" ]
https://hackaday.com/wp-…2/bose.png?w=800
Perhaps it is true that if all you have is a hammer every problem you see looks like a nail. When you think of augmented reality (AR), you usually think of something like the poorly-received Google Glass where your phone or computer overlays imagery in your field of vision. Bose isn’t known for video, though, they are ...
21
8
[ { "comment_id": "5583607", "author": "John blackthorn", "timestamp": "2018-12-09T21:16:34", "content": "Why is it that these people invent something so close to useful but not actually useful, now if they’d invent a pair of glasses that tell me what kind of mood my wife’s in I’d wear them permanentl...
1,760,374,117.689283
https://hackaday.com/2018/12/09/stove-alarm-keeps-the-kitchen-safe/
Stove Alarm Keeps The Kitchen Safe
Lewin Day
[ "cooking hacks", "home hacks" ]
[ "alarm", "cooktop", "oven", "stove" ]
https://hackaday.com/wp-…800450.jpg?w=800
Gas cooktops have several benefits, being able to deliver heat near-instantly, while also being highly responsive when changing temperature. However, there are risks involved with both open flames and the potential of leaving the gas on with the burner unlit. After a couple of close calls, [Bob] developed a simple solu...
70
25
[ { "comment_id": "5582958", "author": "Nate B", "timestamp": "2018-12-09T18:09:20", "content": "I love this! I have an electric stovetop, and I’m incredibly forgetful. I’ve ruined numerous pans by leaving them to boil, they boil dry, they warp…In the interim, I’ve just been super rigorous about setti...
1,760,374,117.632784
https://hackaday.com/2018/12/09/generating-power-with-wind-water-and-solar/
Generating Power With Wind, Water, And Solar
Al Williams
[ "how-to", "Solar Hacks" ]
[ "turbine", "water bottle", "wind", "wind power", "Wind turbine" ]
https://hackaday.com/wp-…2/wind.png?w=800
It is three weeks after the apocalypse. No zombies yet. But you do need to charge your cell phone. How do you quickly make a wind turbine? If you’ve read this project, you might reach for a few empty water bottles . This educational project might not charge your phone without some extra work, but it does illustrate how...
22
9
[ { "comment_id": "5582527", "author": "Stefan", "timestamp": "2018-12-09T16:32:53", "content": "So, cell phone service will still be available after an apocalypse?And“wind power is a form of solar power since the wind is driven by temperature differences created by the sun. Technically true!”Using th...
1,760,374,117.791949
https://hackaday.com/2018/12/09/fpga-used-vhdl-for-fractals/
FPGA Used VHDL For Fractals
Al Williams
[ "FPGA" ]
[ "fpga", "fractal", "mandelbrot", "vhdl", "xilinx", "zestsc1" ]
https://hackaday.com/wp-…2/brot.png?w=800
Over on GitHub, [ttsiodras] wanted to learn VHDL. So he started with an algorithm to do Mandelbrot sets and moved it to an FPGA . Because of the speed, he was able to accomplish real-time zooming. You can see a video of the results, below. The FPGA board is a ZestSC1 that has a relatively old Xilinx Spartan 3 chip onbo...
9
3
[ { "comment_id": "5582194", "author": "Artenz", "timestamp": "2018-12-09T14:32:18", "content": "One pixel/cycle will be hard (and inefficient), because each pixel requires different number of iterations. Instead, I would create an array of N workers, each capable of doing an iteration, and working o...
1,760,374,117.734036
https://hackaday.com/2018/12/09/easily-deboss-notebooks-with-a-3d-printed-stamp/
Easily Deboss Notebooks With A 3D Printed Stamp
Tom Nardi
[ "3d Printer hacks", "Art" ]
[ "die", "emboss", "leather", "notebook", "stamp" ]
https://hackaday.com/wp-…k_feat.jpg?w=800
While it’s arguably a bit closer to the “Arts & Crafts” region of the making spectrum upon which we don’t usually tread on account our l33t sense of superiority, we’ve got to admit that the quick and easy notebook customization demonstrated by [Sean Hodgins] is very compelling. We don’t put ink to dead trees with nearl...
14
10
[ { "comment_id": "5581835", "author": "0xfred", "timestamp": "2018-12-09T10:07:27", "content": "A nice idea for last minute gifts.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5581899", "author": "Saabman", "timestamp": "2018-12-09T10:52:35", "con...
1,760,374,117.84738
https://hackaday.com/2018/12/08/furby-plus-borges-equals-borgy/
Furby Plus Borges Equals Borgy
Richard Baguley
[ "News" ]
[ "Borges", "furby", "Magical Reality" ]
https://hackaday.com/wp-…/borgy.jpg?w=800
What do you get if you cross a Furby with a master of 20th Century literature? The Borgy . Argentinian hacker [Roni Bandini] found an old Furby and decided to hack it by altering its personality. His inspiration was the Argentinian writer Jorge Louis Borges, one of the pioneers of surrealist writing. The idea is that, ...
10
5
[ { "comment_id": "5581614", "author": "grounded", "timestamp": "2018-12-09T07:27:46", "content": "Some how that red plastic piece in the middle makes me think it’s giving me the finger.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5581615", "author"...
1,760,374,118.59302
https://hackaday.com/2018/12/08/an-over-engineered-led-sign-board/
An Over-engineered LED Sign Board
Inderpreet Singh
[ "LED Hacks" ]
[ "ESP32", "opencv", "raspberry pi", "ws2812b" ]
https://hackaday.com/wp-…n-feat.jpg?w=800
Never underestimate the ability of makers in over thinking and over-engineering the simplest of problems and demonstrating human ingenuity. The RGB LED sign made by [Hans and team] over at the [Hackheim hackerspace] in Trondheim is a testament to this fact. As you would expect, the WS2812 RGB LEDs illuminate the sign. ...
10
4
[ { "comment_id": "5580570", "author": "Nikolai", "timestamp": "2018-12-09T03:17:10", "content": "I have same dizziness every Saturday morning", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5580740", "author": "bty", "timestamp": "2018-12-09T03:30:58", ...
1,760,374,117.891707
https://hackaday.com/2018/12/08/advent-calendar-tis-the-cnseason/
Advent Calendar – ‘Tis The CNSeason
Lewin Day
[ "cnc hacks" ]
[ "advent calendar", "christmas", "cnc", "wood" ]
https://hackaday.com/wp-…2/450b.png?w=800
CNC machines are powerful tools when used correctly, but it’s often necessary to test a new machine before getting into serious production work. This advent calendar is a great festive project that was designed to put a CNC through its paces. The calendar is made primarily from wood. This is an excellent choice for tes...
3
3
[ { "comment_id": "5582613", "author": "Pete", "timestamp": "2018-12-09T16:52:46", "content": "Did anybody else spot the missing date on the left calendar right away? What happened to Christmas Eve?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5582618", "...
1,760,374,117.950266
https://hackaday.com/2018/12/08/crystal-oscillators-explained/
Crystal Oscillators Explained
Al Williams
[ "Misc Hacks" ]
[ "colpitts", "colpitts oscillator", "crystal", "oscillator", "pierce", "pierce oscillator", "quartz crystal" ]
https://hackaday.com/wp-…2/xtal.png?w=800
We’ve read a lot about oscillators, but crystal oscillators seem to be a bit of a mystery. Hobby-level books tend to say, build a circuit like this and then mess with it until it oscillates. Engineering texts tend to go on about loop gains but aren’t very clear about practice. A [circuit digest] post that continues a s...
13
7
[ { "comment_id": "5579584", "author": "Bruce Perens K6BP", "timestamp": "2018-12-08T23:01:48", "content": "The most important thing to know about a crystal is that it works through the piezoelectric principle, which transfers electricity into mechanical force and vice versa. The crystal is a mechanic...
1,760,374,118.139964
https://hackaday.com/2018/12/08/the-guts-of-switched-mode-power-supplies-brought-to-you-by-oscilloscope-repair/
The Guts Of Switched Mode Power Supplies, Brought To You By Oscilloscope Repair
Brian Benchoff
[ "Repair Hacks" ]
[ "oscilloscope", "repair", "tektronix" ]
https://hackaday.com/wp-…715303.jpg?w=800
The Tektronix 2000 series of oscilloscopes are a mainstay for any electronics lab. They work, they’re relatively cheap, they’re good, and they’re available in just about any surplus electronics store. [Mr.RC-Cam] has been hoarding one of these for twenty years, and like any classic piece of equipment, it needs a little...
22
8
[ { "comment_id": "5579423", "author": "Brian", "timestamp": "2018-12-08T20:20:41", "content": "“hoarding one of these for twenty years,”I don’t think cherishing one piece of equipment for twenty years would be considered hoarding. Now, if he owned fifty of them, that could be considered hoarding.", ...
1,760,374,118.205926
https://hackaday.com/2018/12/08/negative-voltage-pushes-avr-to-new-heights/
Negative Voltage Pushes AVR To New Heights
Tom Nardi
[ "LED Hacks", "Microcontrollers" ]
[ "AVR", "diode", "Ground", "MCU", "MOSFETS", "negative rail", "relative" ]
https://hackaday.com/wp-…_feat1.jpg?w=800
If we say that a hacker is somebody who looks at a “solved” problem and can still come up with multiple alternative solutions, then [Charles Ouweland] absolutely meets the grade. Not that we needed more evidence of his hacker cred given what we’ve seen from him before, but he recently wrote in to tell us about an inter...
38
16
[ { "comment_id": "5578893", "author": "solipso", "timestamp": "2018-12-08T15:39:26", "content": "Adding three diodes between micros ground pin and 0V would solve the problem.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5578996", "author": "chango",...
1,760,374,118.354794
https://hackaday.com/2018/12/08/ntp-morse-code-clock-powered-by-esp8266/
NTP Morse Code Clock Powered By ESP8266
Tom Nardi
[ "classic hacks", "clock hacks", "Microcontrollers" ]
[ "clock", "ESP8266", "led", "morse code", "ntp" ]
https://hackaday.com/wp-…k_feat.jpg?w=800
We’ve featured a great many unique clocks here on Hackaday, which have utilized nearly every imaginable way of conveying the current time. But of all these marvelous timepieces, the Morse code clock has the distinct honor of simultaneously being the easiest to construct and (arguably) the most difficult to read. As suc...
6
4
[ { "comment_id": "5578350", "author": "Bob Coggeshall (@BobCoggeshall)", "timestamp": "2018-12-08T12:38:05", "content": "“Hey, you got morse code in my ESP8266 !”", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5578447", "author": "bitsquirrel", "timesta...
1,760,374,118.275983
https://hackaday.com/2018/12/08/vexrisc-v-exposed/
VexRISC-V Exposed
Al Williams
[ "FPGA" ]
[ "fpga", "RISC-V", "spinalhdl", "verilog", "vexrisc-v", "vhdl" ]
https://hackaday.com/wp-…risc21.png?w=800
If you want to use FPGAs, you’ll almost always use an HDL like Verilog or VHDL. These are layers of abstraction just like using, say, a C compiler is to machine language or assembly code. There are other challengers to the throne such as SpinalHDL which have small but enthusiastic followings. [Tom] has a post about how...
8
7
[ { "comment_id": "5577765", "author": "paul", "timestamp": "2018-12-08T10:04:49", "content": "This triggers a memory from 20 odd years ago.Then I read an article about a logic analyser which had quite fancy triggering.It did that by directly on the fly programming of the triggering logic in a cpld/ s...
1,760,374,118.551126
https://hackaday.com/2018/12/07/wearable-speeder-bikes-are-ready-for-a-night-out/
Wearable Speeder Bikes Are Ready For A Night Out
Tom Nardi
[ "Wearable Hacks" ]
[ "chicken wire", "cosplay", "PVC", "speeder bike", "star wars" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
While Hackaday is about as far from a fashion blog as you can possibly get, we have to admit we’re absolutely loving the [bithead942] Winter 2018 Collection. His wife and daughter recently got to model his latest must have design: wearable Star Wars speeder bikes ; and judging by the video after the break they were cer...
8
4
[ { "comment_id": "5577160", "author": "Bruce Perens K6BP", "timestamp": "2018-12-08T07:20:38", "content": "They’re not really 400 watt speakers. People on hackaday are smart enough not to fall for audio company marketing.", "parent_id": null, "depth": 1, "replies": [ { "comm...
1,760,374,118.401755
https://hackaday.com/2018/12/07/artistic-images-made-with-water-lens/
Artistic Images Made With Water Lens
Bryan Cockfield
[ "Art" ]
[ "arduino", "art", "cooler", "ice", "lens", "peltier", "projection", "raspberry pi", "water" ]
https://hackaday.com/wp-…/main3.jpg?w=800
It’s said that beauty and art can be found anywhere, as long as you look for it. The latest art project from [dmitry] both looks in unassuming places for that beauty, and projects what it sees for everyone to view. Like most of his projects, it’s able to produce its artwork in a very unconventional way. This particular...
15
6
[ { "comment_id": "5576748", "author": "Saabman", "timestamp": "2018-12-08T04:39:31", "content": "I find the the mechanism is far more intriguing than the image it is producing.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5576797", "author": "CMH62"...
1,760,374,118.762465
https://hackaday.com/2018/12/07/liberating-birds-for-a-cheap-electric-scooter/
Liberating Birds For A Cheap Electric Scooter
Brian Benchoff
[ "Transportation Hacks" ]
[ "bird", "bird scooter", "scooter hacking" ]
https://hackaday.com/wp-…ooters.jpg?w=800
A few months ago, several companies started deploying electric scooters on the sidewalks of cities around the United States. These scooters were standard, off-the-shelf electric scooters made in China, loaded up with battery packs, motors, and a ‘brain box’ that has a GPS unit, a cellular modem, and a few more electron...
85
23
[ { "comment_id": "5575209", "author": "CRImier", "timestamp": "2018-12-08T00:09:28", "content": "Hehe, that probably means we’ll see more than one of those on the next Supercon ;-P Lime’s controller is just waiting to be turned into some kind of cellphone or a portable computer’s communication soluti...
1,760,374,118.71404
https://hackaday.com/2018/12/06/a-scratch-built-forgotten-classic-of-the-early-pc-age/
A Scratch-Built Forgotten Classic Of The Early PC Age
Dan Maloney
[ "Retrocomputing" ]
[ "6502", "basic", "CBM", "commodore", "Personal Electronic Transactor", "PET 2001" ]
https://hackaday.com/wp-…873513.png?w=800
All the retrocomputer love for Commodore machines seems to fall on the C64 and Amiga, with a little sprinkling left over for the VIC-20. Those machines were truly wonderful, but what about the Commodore machine that paved their way? What about the machine that was one of the first to be gobbled up in the late 1970s by ...
36
14
[ { "comment_id": "5572779", "author": "David Lang", "timestamp": "2018-12-07T06:08:27", "content": "In 30 years I expect that there will be people who care about the early Raspberry Pi computers, but I don’t expect that many will care about the Pi A. The Vic-20 is a similar comparison.When the Vic-20...
1,760,374,118.891346
https://hackaday.com/2018/12/06/eyes-on-the-prize-of-glucose-monitoring/
Eyes On The Prize Of Glucose Monitoring
Brian McEvoy
[ "Medical Hacks" ]
[ "diabetes", "eye", "glucose", "medical", "monitor", "tears", "type 1", "Type 2" ]
https://hackaday.com/wp-…osense.jpg?w=800
People with diabetes have to monitor their blood regularly, and this should not be a shock to anyone, but unless you are in the trenches you may not have an appreciation for exactly what that entails and how awful it can be. To give a quick idea, some diabetics risk entering a coma or shock because drawing blood is pai...
18
6
[ { "comment_id": "5572753", "author": "DainBramage", "timestamp": "2018-12-07T05:47:33", "content": "While my type II diabetes is nowhere near the nightmare that type I is, having a way to continuously monitor blood sugar would indeed be a wonderful innovation, especially if it could be done without ...
1,760,374,118.819152
https://hackaday.com/2018/12/06/spend-all-day-on-the-lake/
Spend All Day On The Lake
Bryan Cockfield
[ "Transportation Hacks" ]
[ "boat", "solar", "solar boat", "solar power" ]
https://hackaday.com/wp-…/main7.png?w=800
Solar vehicles are getting more and more common as the price of solar panels comes down, and the availability of motors and controllers for all of these vehicles rises. Making a solar-electric bike from a kit is one thing, but this solar-powered boat is a master class in hacking at all levels, from the solar drive trai...
23
8
[ { "comment_id": "5572104", "author": "Ostracus", "timestamp": "2018-12-07T00:22:00", "content": "“Solar vehicles are getting more and more common as the price of solar panels comes down…”Yup, and like the color black, that’s the shape they come in.", "parent_id": null, "depth": 1, "repli...
1,760,374,118.95022
https://hackaday.com/2018/12/06/fan-based-parts-tumbler-is-a-breeze-to-build/
Fan-Based Parts Tumbler Is A Breeze To Build
Kristina Panos
[ "Tool Hacks" ]
[ "fan", "medium", "motorsil D", "parts tumbler", "spring" ]
https://hackaday.com/wp-…er-800.png?w=800
A parts tumbler is a great tool to have around. But if you don’t use it all the time, it’s hard to justify dropping hundreds of dollars on one. Fortunately, there are many ways to make your own tumbler while tailoring it to meet the need. Because really, as long as you get the medium moving enough to abrade the parts, ...
53
18
[ { "comment_id": "5571823", "author": "Jim Jones", "timestamp": "2018-12-06T21:27:31", "content": "I’ve broken off a blade of a fan to make it an agitator for etching PCB’s, wired it up to a USB cable so it can be used almost anywhere. It’s no where near as fancy as this is.", "parent_id": null, ...
1,760,374,119.042245
https://hackaday.com/2018/12/06/mechanizing-a-eurorack-sequencer/
Mechanizing A Eurorack Sequencer
Brian Benchoff
[ "Musical Hacks" ]
[ "analog synthesizer", "eurorack", "eurorack synth", "stepper motor", "synth" ]
https://hackaday.com/wp-…urorac.png?w=800
Eurorack has taken over the synthesizer community, and hundreds of people are building their own eurorack modules. [Michael Forrest] designed and built his own Eurorack sequencer module that doesn’t use weird things like capacitors and chips to store a signal. Instead, he’s doing it with stepper motors and some clever ...
3
1
[ { "comment_id": "5572141", "author": "Alan", "timestamp": "2018-12-07T00:50:42", "content": "NEMA 17 plus an appropriate set of gears should get you there…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5572442", "author": "W", "timestamp": "...
1,760,374,119.081416
https://hackaday.com/2018/12/06/fail-of-the-week-1975-the-browns-ferry-nuclear-incident/
Fail Of The Week: A Candle Caused Browns Ferry Nuclear Incident
Al Williams
[ "Featured", "History", "Slider" ]
[ "browns ferry", "fire", "nuclear", "power plant", "tva" ]
https://hackaday.com/wp-…sferry.jpg?w=800
A colleague of mine used to say he juggled a lot of balls; steel balls, plastic balls, glass balls, and paper balls. The trick was not to drop the glass balls. How do you know which is which? For example, suppose you were tasked with making sure a nuclear power plant was safe. What would be important? A fail-safe way t...
117
20
[ { "comment_id": "5571517", "author": "Ostracus", "timestamp": "2018-12-06T18:31:36", "content": "Most accidents are a chain of errors. This is no exception.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5571630", "author": "Ren", "timestamp"...
1,760,374,119.304138
https://hackaday.com/2018/12/06/solar-heart-engineered-to-beat-for-decades/
Solar Heart Engineered To Beat For Decades
Tom Nardi
[ "Art", "LED Hacks" ]
[ "breathing LED", "charge controller", "lifetime", "ring oscillator", "solar", "supercapacitor" ]
https://hackaday.com/wp-…t_feat.jpg?w=800
It’s often said that if something is worth doing it’s worth doing right, or maybe even worth overdoing . This is clearly a concept that [ANTALIFE] takes very seriously, as made abundantly clear by projects like the solar powered “beating” heart he made as a gift for his wife . What for most of us would have ended up be...
5
3
[ { "comment_id": "5571532", "author": "cb88", "timestamp": "2018-12-06T18:45:07", "content": "“This is little wonder is rated for a staggering half million cycles, which in theory means that even with daily use it should still take a charge in the year 3300” That isn’t what that means at all…. that j...
1,760,374,119.421551
https://hackaday.com/2018/12/07/building-the-worlds-smallest-jet-turbine-by-hand/
Building The World’s Smallest Jet Turbine By Hand
Brian Benchoff
[ "Engine Hacks" ]
[ "engine", "jet engine", "turbine engine" ]
https://hackaday.com/wp-…header.png?w=800
There are very few machines as complex to build as a turbojet engine. The turbine blades on a commercial airliner are grown from a single crystal of metal. The engineering tolerances are crazy, and everything spins really, really fast. All of these problems aren’t a concern for [Igor], who’s building what will probably...
39
11
[ { "comment_id": "5574277", "author": "Brian", "timestamp": "2018-12-07T21:07:51", "content": "“The turbine blades on a commercial airliner are grown from a single crystal of metal”No, they are not.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5574297", ...
1,760,374,119.377296
https://hackaday.com/2018/12/07/racing-the-beam-on-a-thin-client-in-fpgas/
Racing The Beam On A Thin Client, In FPGAs
Lewin Day
[ "FPGA" ]
[ "fpga", "raytrace", "raytracer", "Raytracing", "xilinx" ]
https://hackaday.com/wp-…004501.png?w=800
A few years back, a company by the name of Pano Logic launched a line of FPGA-based thin clients. Sadly, the market didn’t eventuate, and the majority of this stock ended up on eBay, to eventually be snapped up by eager hackers. [Tom] is one of those very hackers, and decided to try some raytracing experiments with the...
60
16
[ { "comment_id": "5574271", "author": "Wade", "timestamp": "2018-12-07T21:02:10", "content": "An FPGA-based thin client? Why? I I’m having trouble understanding why that would be advantageous for a thin client versus just using an embedded CPU.", "parent_id": null, "depth": 1, "replies": ...
1,760,374,121.504389
https://hackaday.com/2018/12/07/magic-wand-learns-spells-through-machine-learning-and-an-imu/
Magic Wand Learns Spells Through Machine Learning And An IMU
Al Williams
[ "classic hacks", "Hackaday Columns", "Raspberry Pi", "Software Hacks" ]
[ "2018 Hackaday Superconference", "cosplay", "harry potter", "IMU", "inertial", "magic wand", "python", "wand" ]
https://hackaday.com/wp-…c-wand.jpg?w=800
Jennifer Wang likes to dress up for cosplay and she’s a Harry Potter fan. Her wizarding skills are technological rather than magical but to the casual observer she’s managed to blur those lines. Having a lot of experience with different sensors, she decided to fuse all of this together to make a magic wand. The wand co...
6
4
[ { "comment_id": "5574301", "author": "soobvious", "timestamp": "2018-12-07T21:43:56", "content": "Interesting project! thanks for sharing! I liked that she picked a SVM model , throwing out over 99% of the data, instead feeding it general features like min/max values , mean value etc. seems like a ...
1,760,374,121.555751
https://hackaday.com/2018/12/07/better-mechanical-keyboards-through-3d-printing/
Better Mechanical Keyboards Through 3D Printing
Brian Benchoff
[ "3d Printer hacks" ]
[ "3d printing", "mechanical keyboard", "science" ]
https://hackaday.com/wp-…yboard.png?w=800
You’re not cool unless you have a mechanical keyboard. No, you won’t be able to tell if your coworkers don’t like it, because you won’t be able to hear their complaining over the sound of your clack-clack-clacking. You can even go all-in with switch modifications, o-rings, and new springs, or you could use your 3D prin...
14
5
[ { "comment_id": "5573895", "author": "scott t", "timestamp": "2018-12-07T17:32:05", "content": "let me know when they find a way to make my mechanical switches louder. mmmmmmm…..", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5574235", "author": "DKE...
1,760,374,121.198962
https://hackaday.com/2018/12/07/weaponized-networked-printing-is-now-a-thing/
Weaponized Networked Printing Is Now A Thing
Tom Nardi
[ "Current Events", "Featured", "Peripherals Hacks", "Security Hacks" ]
[ "advertisement", "internet of things", "IPP", "JetDirect", "LPD", "network security", "PRET", "printer", "python", "spam" ]
https://hackaday.com/wp-…rinter.jpg?w=800
It’s a fairly safe bet that a Venn diagram of Hackaday readers and those who closely follow the careers of YouTube megastars doesn’t have a whole lot of overlap, so you’re perhaps blissfully unaware of the man who calls himself [PewDiePie]. As such, you might not know that a battle between himself and another YouTube c...
37
14
[ { "comment_id": "5573556", "author": "Daren Schwenke", "timestamp": "2018-12-07T15:10:42", "content": "https://www.youtube.com/user/EEVblog", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5656641", "author": "sdfsfsdf", "timestamp": "2018-12-2...
1,760,374,121.723041
https://hackaday.com/2018/12/07/5g-cellphones-location-privacy-broken-before-its-even-implemented/
5G Cellphone’s Location Privacy Broken Before It’s Even Implemented
Jenny List
[ "News", "Phone Hacks" ]
[ "3g", "4g", "5g", "cellular phone", "encryption", "mobile phone" ]
https://hackaday.com/wp-…atured.jpg?w=800
Although hard to believe in the age of cheap IMSI-catchers, “subscriber location privacy” is supposed to be protected by mobile phone protocols. The Authentication and Key Agreement (AKA) protocol provides location privacy for 3G, 4G, and 5G connections, and it’s been broken at a basic enough level that three successiv...
52
7
[ { "comment_id": "5573265", "author": "visitorcenterca", "timestamp": "2018-12-07T12:18:23", "content": "Cryptography, security and programming are outside my domain. But I wonder could this have easily be avoided by salting the incremental value?", "parent_id": null, "depth": 1, "replies...
1,760,374,121.406474
https://hackaday.com/2018/12/07/hacking-your-way-to-a-custom-tv-boot-screen/
Hacking Your Way To A Custom TV Boot Screen
Tom Nardi
[ "hardware", "home entertainment hacks" ]
[ "Binwalk", "bus pirate", "dd", "firmware", "Spectre", "spi" ]
https://hackaday.com/wp-…o_feat.png?w=800
More and more companies are offering ways for customers to personalize their products, realizing that the increase in production cost will be more than made up for by the additional sales you’ll net by offering a bespoke product. It’s great for us as consumers, but unfortunately we’ve still got a ways to go before this...
45
13
[ { "comment_id": "5573100", "author": "Gregg Eshelman", "timestamp": "2018-12-07T10:29:35", "content": "I’d like to see someone hack a Vizio M220NV TV to update its internet capabilities. It’s a smart-ish 21.5″ 1080p TV from 2007. The software is from Yahoo, hasn’t had an update in ages but if you co...
1,760,374,121.808453
https://hackaday.com/2018/12/06/your-bom-is-not-your-cogs/
Your BOM Is Not Your COGS
Bob Baddeley
[ "Business", "Featured", "how-to", "Slider" ]
[ "bill of material", "business", "cost of goods", "startup" ]
https://hackaday.com/wp-…atured.jpg?w=800
“The prototype was $12 in parts, so I’ll sell it for $15.” That is your recipe for disaster, and why so many Kickstarter projects fail. The Bill of Materials (BOM) is just a subset of the Cost of Goods Sold (COGS), and if you aren’t selling your product for more than your COGS, you will lose money and go out of busines...
83
20
[ { "comment_id": "5571205", "author": "Miroslav", "timestamp": "2018-12-06T15:09:09", "content": "So, resale price = B.O.M. x 5 ? :)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5571217", "author": "ThisGuy", "timestamp": "2018-12-06T15:16:3...
1,760,374,121.93946
https://hackaday.com/2018/12/06/your-usb-serial-adapter-just-became-a-sdr/
Your USB Serial Adapter Just Became A SDR
Tom Nardi
[ "Radio Hacks", "Wireless Hacks" ]
[ "FT232RL", "harmonic", "sdr", "serial", "square wave", "transmitter" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
To say that the RTL-SDR project was revolutionary might be something of an understatement. Taking a cheap little USB gadget and using it as a Software Defined Radio (SDR) to explore the radio spectrum from the tens of megahertz all the way into gigahertz frequencies with the addition of nothing more than some open sour...
39
10
[ { "comment_id": "5570934", "author": "wartoaster", "timestamp": "2018-12-06T12:52:30", "content": "This feels like the same article I read about someone figuring out how to run code on an ESP01", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5571419", ...
1,760,374,121.642309
https://hackaday.com/2018/12/06/a-christmas-tree-for-your-lab/
A Christmas Tree For Your Lab
Al Williams
[ "Tool Hacks" ]
[ "christmas", "christmas tree", "digitize", "tektronix", "webplotdigitizer" ]
https://hackaday.com/wp-…ektree.png?w=800
It seems like holiday decorations come up earlier and earlier every year. You might not have room for a full-blown tree in your lab, but if you have an arbitrary waveform generator and a scope, Tektronix has a way for you to show your spirit electronically . You can see the video below. Naturally, it features Tektronix...
12
7
[ { "comment_id": "5570614", "author": "Luke", "timestamp": "2018-12-06T10:18:25", "content": "Does anyone know of an app/website that would turn vector graphics into a sound file to display on an XY scope?It would be easy to just play the file back on your phone on repeat, and clip the scope leads to...
1,760,374,121.309347
https://hackaday.com/2018/12/05/1970s-lab-equipment-turned-retro-pi-terminal/
1970s Lab Equipment Turned Retro Pi Terminal
Tom Nardi
[ "classic hacks", "Raspberry Pi", "Retrocomputing" ]
[ "digital picture frame", "QMK", "raspberry pi", "scanline", "serial terminal", "terminal" ]
https://hackaday.com/wp-…n_feat.jpg?w=800
When it was released, the Beckman Model 421 CRT controller represented the latest and greatest in liquid chromatography technology. Its 12 inch screen would allow the operator to view critical information such as flow rate and concentration, and its integrated keyboard simplified system control. It made liquid chromato...
20
8
[ { "comment_id": "5570432", "author": "Tsunamijuan", "timestamp": "2018-12-06T07:12:13", "content": "Man that is a beautifully retro looking machine. There is something so special design wise about sheet metal only cases, where its nothing but some nice smooth bends, and a couple well placed screws. ...
1,760,374,121.258627
https://hackaday.com/2018/12/05/a-portal-port-programmed-for-platforms-of-the-past/
A Portal Port Programmed For Platforms Of The Past
Bryan Cockfield
[ "Games" ]
[ "antique", "c64", "commodore", "games", "portal", "programming", "retro", "retrocomputing", "video game" ]
https://hackaday.com/wp-…2/main.png?w=800
If you still have a Commodore 64 and it’s gathering dust, don’t sell it to a collector on eBay just yet. There’s still some homebrew game development happening from a small group of programmers dedicated to this classic system. The latest is a Portal-like game from [Jamie Fuller] which looks like a blast. The Commodore...
6
4
[ { "comment_id": "5570231", "author": "CMH62", "timestamp": "2018-12-06T03:11:05", "content": "Hmmmm, where’s “Impossible Mission” when you need it?!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5570332", "author": "Soh Kam Yung", "timestamp...
1,760,374,122.19411
https://hackaday.com/2018/12/05/the-complete-beginners-guide-to-building-a-cnc-machine/
The Complete Beginner’s Guide To Building A CNC Machine
Dan Maloney
[ "cnc hacks" ]
[ "cnc", "driver", "etch a sketch", "Mach4 hobby", "motion control", "proximity", "relay", "stepper", "tutorial" ]
https://hackaday.com/wp-…682806.png?w=800
Despite appearances, [This Old Tony]’s latest series has little to do with CNC-ifying an Etch A Sketch. Although he certainly achieves that, more or less, automating the classic toy is just the hook for a thorough lesson in CNC machine building starting with the basics. Fair warning: we said basics, and we mean it. [Ol...
18
3
[ { "comment_id": "5570185", "author": "Jeffeb3", "timestamp": "2018-12-06T01:56:38", "content": "The latest cnc machines are controlled via gcode and grbl, repetier, or Marlin based controllers. Using mach 4 is a bit like using Windows to set up a file server. You can do it, but it’s far from the eas...
1,760,374,121.992476
https://hackaday.com/2018/12/05/thrift-store-razor-scooter-gets-more-kick/
Thrift Store Razor Scooter Gets More Kick
Tom Nardi
[ "Arduino Hacks", "Transportation Hacks" ]
[ "18650", "bms", "electric scooter", "mosfet", "scooter" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
Beyond pride, the biggest issue keeping adults off small motorized scooters is the fact that their tiny motors usually don’t have the power to move anything heavier than your average eighth grader. That didn’t stop [The_Didlyest] from snapping up this $7 thrift store find, but it did mean the hot pink scooter would nee...
27
8
[ { "comment_id": "5569819", "author": "Wibble", "timestamp": "2018-12-05T21:47:09", "content": "I thought electric scooters were now free to all comers, on any street corner in a trendy enough US suburb?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5569888"...
1,760,374,122.063131
https://hackaday.com/2018/12/05/the-filament-pelletizer-for-fused-granular-fabrication/
The Filament Pelletizer For Fused Granular Fabrication
Brian Benchoff
[ "3d Printer hacks" ]
[ "abs", "pelletizer", "PLA", "plastic", "plastic filament" ]
https://hackaday.com/wp-…etizer.png?w=800
The ABS and PLA that goes into your 3D printer is sold in two forms. The first, naturally, is filament. The second is plastic granules, the raw material for your filament, and costs an order of magnitude less than the filament itself. For years we’ve been seeing machines that either print directly with plastic granules...
24
10
[ { "comment_id": "5569393", "author": "stefan_z", "timestamp": "2018-12-05T19:40:51", "content": "Mind -> Blown…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5570935", "author": "onetruegod", "timestamp": "2018-12-06T12:52:47", "cont...
1,760,374,122.378139
https://hackaday.com/2018/12/05/hold-for-publishing-plan-ken-shirriff-explains-his-techniques-for-reverse-engineering-silicon/
Ken Shirriff Explains His Techniques For Reverse Engineering Silicon
Brian Benchoff
[ "cons", "Hackaday Columns", "hardware", "Slider" ]
[ "2018 Hackaday Superconference", "decapping", "integrated circuit", "ken shirriff" ]
https://hackaday.com/wp-…eader1.jpg?w=800
When it comes to reverse engineering silicon, there’s no better person to ask than Ken Shirriff . He’s the expert at teasing the meaning out of layers of polysilicon and metal. He’s reverse engineered the ubiquitous 555 timer, he’s taken a look at the inside of old-school audio chips, and he’s found butterflies in his ...
8
4
[ { "comment_id": "5568996", "author": "Ren", "timestamp": "2018-12-05T18:37:27", "content": "“Yes, you’ll still need to drop acid”…Done!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5569903", "author": "TheRegnirps.", "timestamp": "2018-12-0...
1,760,374,122.697945
https://hackaday.com/2018/12/05/many-uses-for-a-single-button/
Many Uses For A Single Button
Bryan Cockfield
[ "Arduino Hacks" ]
[ "arduino", "counter", "Flappy Bird", "oled", "one button", "pocket", "screen", "small", "stopwatch" ]
https://hackaday.com/wp-…/main1.png?w=800
When building projects with a simple goal in mind, it’s not unheard of for us to add more and more switches, buttons, and complexity as the project goes through its initial prototyping stages. Feature creep like this tends to result in a tangled mess rather than a usable project. With enough focus, though, it’s possibl...
18
11
[ { "comment_id": "5568532", "author": "Justin Davis", "timestamp": "2018-12-05T16:46:35", "content": "You can get more functions out of a single button by using a press-and-hold. For example you can hold for 2 seconds for switching programs, or you can hold for 5 seconds and go into sleep mode.", ...
1,760,374,122.50225
https://hackaday.com/2018/12/05/linux-fu-turn-a-web-app-into-a-full-program/
Linux Fu: Turn A Web App Into A Full Program
Al Williams
[ "internet hacks" ]
[ "electron app", "linux", "macOS", "web application", "windows" ]
https://hackaday.com/wp-…inuxfu.jpg?w=800
I hate to admit it. I don’t really use Linux on my desktop anymore. Well, technically I do. I boot into Linux. Then I do about 95% of my work in Chrome. About the only native applications I use anymore are development tools, the shell, emacs, and GIMP. If I really wanted to, I could probably find replacements for nearl...
68
22
[ { "comment_id": "5568353", "author": "jcwren", "timestamp": "2018-12-05T15:10:13", "content": "emacs? There’s your problem!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5568364", "author": "chango", "timestamp": "2018-12-05T15:14:16", ...
1,760,374,122.651182
https://hackaday.com/2018/12/05/editing-gamecube-memory-with-a-raspberry-pi/
Editing GameCube Memory With A Raspberry Pi
Brian Benchoff
[ "classic hacks", "Nintendo Hacks", "Raspberry Pi" ]
[ "gamecube", "python", "raspberry pi" ]
https://hackaday.com/wp-…i_cube.png?w=800
[James] has been working with GameCubes, emulators, and Animal Crossing for a while now, and while emulators are sufficient, he’d like to play on real hardware. This means he needs to write to a GameCube memory card. While there are a few options to do this, they either require a Wii or hardware that hasn’t been made i...
1
1
[ { "comment_id": "5568171", "author": "herbert", "timestamp": "2018-12-05T13:29:57", "content": "I predict it will actually be the beaglebone on a chip to be connected in the form of its own card with a wifi module on board", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,374,122.536657
https://hackaday.com/2018/12/05/apple-ii-megademo-is-countin-cycles-and-takin-names/
Apple II Megademo Is Countin’ Cycles And Takin’ Names
Lewin Day
[ "Retrocomputing" ]
[ "apple", "apple II", "demo", "demoscene", "retrocomputing" ]
https://hackaday.com/wp-…800450.png?w=800
The demoscene is an active place to this day, with enthusiasts around the world continuing to push the envelope as far as the capabilities of machines are concerned. [Deater], along with a skilled team, produced this Apple II Megademo which won first place at Demosplash 2018 . The demo starts with an intentional tease,...
23
8
[ { "comment_id": "5567811", "author": "tym0tym0", "timestamp": "2018-12-05T10:10:03", "content": "From FAQ:“This demo is awful compared to the awesome demo I made for a C64.Yes, but I doubt your C64 demo will run on a machine from 1977 that’s more or less completely constructed out of 7400 series log...
1,760,374,122.441087
https://hackaday.com/2018/12/04/yet-another-restomod-of-the-greatest-computer-ever/
Yet Another Restomod Of The Greatest Computer Ever
Brian Benchoff
[ "classic hacks" ]
[ "computer", "computer collecting", "restoration", "SE/30" ]
https://hackaday.com/wp-…c_caps.jpg?w=800
The best computer ever made is nearly thirty years old. The Macintosh SE/30 was the highest-spec original all-in-one Macs, and it had the power of a workstation. It had expansion slots, and you could hang a color monitor off the back. It ran Unix. As such, it’s become the prize of any vintage computer collector, and [K...
40
13
[ { "comment_id": "5567422", "author": "AVR", "timestamp": "2018-12-05T06:01:39", "content": "Everytime you write about the SE-30 I feel bad for dumping my guts of one in the trash", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5567486", "author": "Cha...
1,760,374,122.774245
https://hackaday.com/2018/12/04/replace-legacy-cnc-pcs-with-a-gerbil/
Replace Legacy CNC PCs With A Gerbil
Bryan Cockfield
[ "cnc hacks" ]
[ "32-bit", "arm", "cnc", "controller", "g-code", "grbl", "machine", "open source" ]
https://hackaday.com/wp-…2/main.jpg?w=800
There are lots of laser cutters and other CNC machines available for a decent price online, but the major hurdle to getting these machines running won’t be the price or the parts. It’s usually the controller PC, which might be running Windows XP or NT if you’re lucky, but some of them are still using IBM XT computers f...
48
15
[ { "comment_id": "5567134", "author": "John Stockton", "timestamp": "2018-12-05T03:42:21", "content": "Nice port of the Grbl software. One of the things that LinuxCNC has that I find useful is the ability to compensate for backlash. Larger machines seem to have a small amount of backlash and LinuxC...
1,760,374,122.857173
https://hackaday.com/2018/12/04/a-neat-pen-pov-build/
A Neat Pen POV Build
Richard Baguley
[ "LED Hacks" ]
[ "led", "pen", "POV" ]
https://hackaday.com/wp-…12/pen.jpg?w=800
We’ve seen a lot of persistence of vision (POV) builds on bike wheels, sticks, and many other holders, but this one puts it on something new: a pen. [Befinitiv] was looking for a new way to add some smarts to everyday devices, and the result is a neat POV display that fits over a pen . At 128 by 64 pixels, it is not hi...
7
3
[ { "comment_id": "5566620", "author": "BrightBlueJim", "timestamp": "2018-12-05T00:37:00", "content": "Where’s the POV part of this?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5566755", "author": "Ren", "timestamp": "2018-12-05T01:19:31", "conte...
1,760,374,122.897159
https://hackaday.com/2018/12/04/high-end-headphones-get-flexible-boom-upgrade/
High-End Headphones Get Flexible Boom Upgrade
Tom Nardi
[ "digital audio hacks", "Peripherals Hacks" ]
[ "boom", "HD650", "headphones", "microphone", "sennheiser", "Sugru" ]
https://hackaday.com/wp-…_feat1.jpg?w=800
It seems a reasonable assumption that anyone who’d be willing to spend a few hundred dollars on a pair of headphones is probably the type of person who has a passion for high quality audio. That, or they work for the government. We’re fairly sure [Daniel Harari] falls into that former category though, given how much th...
8
5
[ { "comment_id": "5566182", "author": "Tweepy", "timestamp": "2018-12-04T22:20:59", "content": "Finish ugly as fuck…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5568120", "author": "Reg Veg", "timestamp": "2018-12-05T13:08:13", "con...
1,760,374,122.946838
https://hackaday.com/2018/12/04/adorable-desktop-disc-sander-warms-our-hearts-and-our-parts/
Adorable Desktop Disc Sander Warms Our Hearts And Our Parts
Kerry Scharfglass
[ "Tool Hacks" ]
[ "brushed motor", "desktop tool", "disk sander", "motor", "sander", "tiny tool", "weekend project" ]
https://hackaday.com/wp-…620965.jpg?w=587
Casually browsing YouTube for “shop improvements” yields a veritable river of project ideas, objects for cat amusement, and 12 INCREDIBLE SHOP HACKS YOU WON’T BELIEVE, though some of these are of predictably dubious value. So you might imagine that when we found [Henrique]’s adorable disc sander we dismissed it out of ...
17
6
[ { "comment_id": "5565550", "author": "Andy Pugh", "timestamp": "2018-12-04T19:41:30", "content": "Better than a collet chuck might be just the Dremel “speed-clic” mandrel. Though I can’t see a simple way to mount one on a shaft.https://www.dremeleurope.com/general/en/ezspeedclicmandrel-398-ocs-p/", ...
1,760,374,123.000489
https://hackaday.com/2018/12/04/daphne-oram-and-the-birth-of-electronic-music/
Daphne Oram And The Birth Of Electronic Music
Dan Maloney
[ "Biography", "Featured", "Musical Hacks", "Original Art", "Slider" ]
[ "amplifier", "crt", "filter", "flying-spot", "Oramics", "photomultiplier", "synthesizer", "waveform" ]
https://hackaday.com/wp-…neoram.jpg?w=800
For most of human history, musical instruments were strictly mechanical devices. The musician either plucked something, blew into or across something, or banged on something to produce the sounds the occasion called for. All musical instruments, the human voice included, worked by vibrating air more or less directly as...
10
7
[ { "comment_id": "5564916", "author": "Aleks Clark (@aleksclark)", "timestamp": "2018-12-04T18:17:15", "content": "Sigh. The wikipedia article gives much more insight as to why Oram is so influential. The HAD iteration left me wondering why Oram is a big deal, if all she did was partially construct a...
1,760,374,123.400902
https://hackaday.com/2018/12/04/the-circuit-sculpture-contest/
The Circuit Sculpture Contest
Mike Szczys
[ "classic hacks", "contests", "Hackaday Columns", "Original Art" ]
[]
https://hackaday.com/wp-…ltures.jpg?w=800
Many artists are inseparably associated with their medium: Vincent Van Gogh had oil paint, Auguste Rodin had bronze, and Banksy has the spraycan and stencil. You have ICs, passives, wire, and solder. So often electronics are hidden away, but not today! We want to see you build electronic circuits that are beautiful in ...
29
11
[ { "comment_id": "5564152", "author": "Doc Oct", "timestamp": "2018-12-04T17:01:50", "content": "There’s the freeform Arduino that I remember.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5564161", "author": "davedarko", "timestamp": "2018-12-04T17:03...
1,760,374,123.347101
https://hackaday.com/2018/12/04/go-up-a-creek-without-a-paddle/
Go Up A Creek Without A Paddle
Bryan Cockfield
[ "Transportation Hacks" ]
[ "boat", "kayak", "pontoon", "propeller", "rc", "solar", "solar panel", "solar power" ]
https://hackaday.com/wp-…/main6.png?w=800
Kayaks are a some of the most versatile watercraft around. You can fish from them, go on backpacking trips, or just cruise around your local lake for a few hours. They’re inexpensive, lightweight, don’t require fuel, and typically don’t require a license or insurance to operate. They also make a great platform for a so...
31
19
[ { "comment_id": "5563918", "author": "Justin", "timestamp": "2018-12-04T16:05:52", "content": "Cool idea. Be careful though and check state laws as in some states this may now need to be a registered watercraft as it is under power.", "parent_id": null, "depth": 1, "replies": [] }, {...
1,760,374,123.715396
https://hackaday.com/2018/12/04/hackaday-visits-the-electric-city/
Hackaday Visits The Electric City
Tom Nardi
[ "Featured", "History", "Interest" ]
[ "coal", "industrial revolution", "locomotive", "mining", "museum", "steam", "train", "trolley" ]
https://hackaday.com/wp-…n_feat.jpg?w=800
Much to the chagrin of local historians, the city of Scranton, Pennsylvania is today best known as the setting for the American version of The Office . But while the exploits of Dunder Mifflin’s best and brightest might make for a good Netflix binge, there’s a lot more to the historic city than the fictional paper comp...
23
13
[ { "comment_id": "5563693", "author": "Ren", "timestamp": "2018-12-04T15:16:23", "content": "IIRC, the Steamtown museum is a congressman’s pet pork project.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5564065", "author": "Ostracus", "timest...
1,760,374,123.568073
https://hackaday.com/2018/12/04/teensy-liberates-the-thinkpad-keyboard/
Teensy Liberates The ThinkPad Keyboard
Tom Nardi
[ "computer hacks", "Peripherals Hacks" ]
[ "flexible printed circuit", "keyboard", "Teensy", "thinkpad", "usb" ]
https://hackaday.com/wp-…b_feat.jpg?w=800
[Frank Adams] liked the keyboard on his Lenovo ThinkPad T61 so much that he decided to design an adapter so he could use it over USB with the Teensy microcontroller . He got the Trackpoint working, and along the way managed to add support for a number of other laptop boards as well. Before you know it, he had a full-bl...
39
17
[ { "comment_id": "5562965", "author": "microwavemont", "timestamp": "2018-12-04T12:30:56", "content": "https://www.youtube.com/watch?v=8nqvHDSDzKkSimilar project in Japan…", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5562968", "author": "microwavemont", ...
1,760,374,123.646627
https://hackaday.com/2018/12/04/getting-started-with-free-arm-cores-on-xilinx/
Getting Started With Free ARM Cores On Xilinx
Al Williams
[ "ARM", "FPGA" ]
[ "arm", "arty", "cpu", "fpga", "xilinx" ]
https://hackaday.com/wp-…12/arm.png?w=800
We reported earlier about Xilinx offering free-to-use ARM Cortex M1 and M3 cores. [Adam Taylor] posted his experiences getting things working and there’s also a video done by [Geek Til It Hertz] based on the material that you can see in the second video, below. The post covers using the Arty A35T or Arty S50 FPGA board...
13
5
[ { "comment_id": "5562455", "author": "Sjaak", "timestamp": "2018-12-04T10:28:40", "content": "Is there a way to rotate a youtube video? Besides the rotation of my laptop.I really like to have a simple softcore ARM in a FPGA to play with, except I wish It would run on a cheaper and simpler fpga. is t...
1,760,374,123.899059
https://hackaday.com/2018/12/03/custom-joystick-for-an-old-commodore-finds-an-unlikely-home/
Custom Joystick For An Old Commodore Finds An Unlikely Home
Dan Maloney
[ "Retrocomputing" ]
[ "c-64", "commodore", "Commodore 1541", "Joystick", "retro", "SX-64" ]
https://hackaday.com/wp-…062790.png?w=800
Retro hardware is getting harder and harder to come by, with accessories such as joysticks and mice dropping out of the market the fastest. So if your old machine needs a new joystick, you may find yourself whipping it up yourself. While you’re at it, you might as well have some fun as [Tom Tilley] did when he built a ...
9
4
[ { "comment_id": "5563735", "author": "Ren", "timestamp": "2018-12-04T15:23:29", "content": "Oh No!He butchered a valuable antique!(Someone was probably going to write that anyway, but I’m not really upset)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "55637...
1,760,374,123.85203
https://hackaday.com/2018/12/03/new-transistor-uses-metal-and-air-instead-of-semiconductors/
New Transistor Uses Metal And Air Instead Of Semiconductors
Al Williams
[ "Science" ]
[ "nanotechnology", "semiconductor", "transistor" ]
https://hackaday.com/wp-…12/gap.png?w=800
The more things change, the more things stay the same. Early electronic devices used a spark gap. These have been almost completely replaced with tubes and then semiconductor devices such as transistors. However, transistors will soon reach a theoretical limit on how small they can be which is causing researchers to fi...
59
13
[ { "comment_id": "5561148", "author": "Suyog", "timestamp": "2018-12-04T03:08:49", "content": "It just completes full circle!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5561206", "author": "Ostracus", "timestamp": "2018-12-04T03:29:53", ...
1,760,374,123.808309
https://hackaday.com/2018/12/03/an-arduino-wrapped-in-an-oled-wrapped-inside-an-enigma-pocket-watch/
An Arduino Wrapped In An OLED Wrapped Inside An Enigma Pocket Watch
Dan Maloney
[ "clock hacks" ]
[ "arduino", "enigma", "horology", "oled", "pocket watch" ]
https://hackaday.com/wp-…298454.jpg?w=800
A pocket watch, tucked into a waistcoat pocket and trailing a long chain, is a retro-hip accessory. A pocket watch gutted of its mechanical innards and updated as a smart appliance might be a horological abomination, but would still be a cool hack. A pocket watch converted to a digital Enigma machine is in a class all ...
10
4
[ { "comment_id": "5560972", "author": "Hirudinea", "timestamp": "2018-12-04T01:06:48", "content": "Wow, just wow!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "5560996", "author": "Earl Colby Pottinger", "timestamp": "2018-12-04T01:22:59", "content...
1,760,374,123.947527
https://hackaday.com/2018/12/03/etch-a-sketch-3d-printed-with-cell-phone/
Etch-a-Sketch 3D Printed With Cell Phone
Al Williams
[ "3d Printer hacks" ]
[ "3d printing", "etch a sketch", "stylus", "thingiverse" ]
https://hackaday.com/wp-…sketch.png?w=800
Most of us have fond memories of the Etch-a-Sketch from childhood. [Potent Printables] wanted to update the designs so he 3D printed an XY carriage for a stylus that works with a cell phone drawing program. You can see the video below and the 3D model details on Thingiverse . The design is fun all by itself, but it als...
13
5
[ { "comment_id": "5560749", "author": "TGT", "timestamp": "2018-12-03T21:18:14", "content": "Lifting the head, that’s cheating!This would be a cool freebie to hand out to people at an event or something. I’ll print a couple out once I modify it to have an adjustable phone cradle, maybe like a spring-...
1,760,374,123.994451
https://hackaday.com/2018/12/03/putting-that-airplane-on-the-map-live-and-with-python/
Putting That Airplane On The Map – Live And With Python
Sven Gregori
[ "Radio Hacks", "Software Hacks" ]
[ "ads-b", "airplane tracking", "airplanes", "cartography", "maps", "open street map", "python" ]
https://hackaday.com/wp-…crafts.jpg?w=800
Mankind’s fascination with airplanes is unbroken. Whether you’re outside with your camera, getting an actual glimpse of the aircraft, or sitting at home with your RTL-SDR dongle and have a look at them from a distance, tracking them is a fun pastime activity. Provided, of course, that you are living close by an airport...
9
5
[ { "comment_id": "5560757", "author": "Lucas", "timestamp": "2018-12-03T21:26:29", "content": "Now do this, but for trains. I can’t count the number of times I find my way to work blocked by a stopped or slow-moving train.", "parent_id": null, "depth": 1, "replies": [ { "com...
1,760,374,124.054278
https://hackaday.com/2018/12/03/amazon-thinks-arm-is-bigger-than-your-phone/
Amazon Thinks ARM Is Bigger Than Your Phone
Tom Nardi
[ "computer hacks", "Current Events", "Hackaday Columns" ]
[ "amazon", "arm", "arm cortex", "AWS", "cloud", "Graviton", "server", "web hosting" ]
https://hackaday.com/wp-…12/aws.jpg?w=800
As far as computer architectures go, ARM doesn’t have anything to be ashamed of. Since nearly every mobile device on the planet is powered by some member of the reduced instruction set computer (RISC) family, there’s an excellent chance these words are currently making their way to your eyes courtesy of an ARM chip. A ...
56
19
[ { "comment_id": "5560614", "author": "Ren", "timestamp": "2018-12-03T18:40:48", "content": "I guess I understand AWS’s desire for their own version of ARM, but I feel there are too many out there now…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5560659", ...
1,760,374,124.152721
https://hackaday.com/2018/12/03/nba-jam-rom-hack-on-snes-is-heating-up/
NBA Jam ROM Hack On SNES Is Heating Up
Drew Littrell
[ "Nintendo Hacks" ]
[ "ROM hack", "snes", "super nintendo", "videogames" ]
https://hackaday.com/wp-…-wide.jpeg?w=800
It’s a rare game that is able to bridge the gap between sports game fans and those that identify as hardcore gamers. Midway was able to bring those two groups onto common ground when they released NBA Jam to arcades in 1993. The game was an instant hit and was ported to 16-bit home consoles that same year. Compromises ...
8
6
[ { "comment_id": "5560432", "author": "Stephen O.", "timestamp": "2018-12-03T16:43:10", "content": "They use a Konami code derivative from TMNT II. The “classic” Konami Code is Up, Up, Down, Down, Left, Right, Left, Right, B, A.", "parent_id": null, "depth": 1, "replies": [] }, { ...
1,760,374,124.33169
https://hackaday.com/2018/12/03/why-is-continuous-glucose-monitoring-so-hard/
Why Is Continuous Glucose Monitoring So Hard?
Dan Maloney
[ "Featured", "Interest", "Medical Hacks", "Rants", "Slider" ]
[ "continuous glucose monitor", "diabetes", "electrochemistry", "enzyme" ]
https://hackaday.com/wp-…2/cgms.jpg?w=800
Everyone starts their day with a routine, and like most people these days, mine starts by checking my phone. But where most people look for the weather update, local traffic, or even check Twitter or Facebook, I use my phone to peer an inch inside my daughter’s abdomen. There, a tiny electrochemical sensor continuously...
99
30
[ { "comment_id": "5560328", "author": "NAte", "timestamp": "2018-12-03T15:21:51", "content": "“Captive market” is right, an uncurable illness is a gold mine to the healthcare industry.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5561043", "author":...
1,760,374,124.469048
https://hackaday.com/2018/12/03/andersons-water-computer-spills-the-analog-secrets-of-digital-logic/
Anderson’s Water Computer Spills The Analog Secrets Of Digital Logic
Roger Cheng
[ "computer hacks" ]
[ "los angeles", "maker faire", "mini maker faire", "water computer" ]
https://hackaday.com/wp-…00x450.jpg?w=800
One of the first things we learn about computers is the concept of binary ones and zeroes. When we dig into implementation of digital logic, we start to learn about voltages, and currents, and other realities of our analog world. It is common for textbooks to use flow of water as an analogy to explain flow of electrons...
31
15
[ { "comment_id": "5560104", "author": "John", "timestamp": "2018-12-03T12:19:07", "content": "How many megaflops? :)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5560109", "author": "John", "timestamp": "2018-12-03T12:20:46", "conten...
1,760,374,124.767553
https://hackaday.com/2018/12/03/fail-of-the-week-how-not-to-electric-vehicle/
Fail Of The Week: How Not To Electric Vehicle
Dan Maloney
[ "car hacks", "Fail of the Week" ]
[ "battery", "battery management system", "electric vehicle", "fail of the week", "fire", "lithium battery", "safety", "tesla" ]
https://hackaday.com/wp-…450501.png?w=800
If you ever doubt the potential for catastrophe that mucking about with electric vehicles can present, check out the video below . It shows what can happen to a couple of Tesla battery modules when due regard to safety precautions isn’t paid. The video comes to us by way of [Rich], a gearhead with a thing for Teslas. H...
92
18
[ { "comment_id": "5559770", "author": "Robert Mateja", "timestamp": "2018-12-03T09:16:07", "content": "Rip off BMS and cooling, overcharge bare cells – complain about tesla battery.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5560167", "author": "N...
1,760,374,124.944589
https://hackaday.com/2018/12/02/gba-on-the-big-screen-fpga-delivers-hdmi-and-every-feature-imaginable/
GBA On The Big Screen: FPGA Delivers HDMI And Every Feature Imaginable
Drew Littrell
[ "Nintendo Hacks" ]
[ "console", "diy handheld", "game boy advance", "kit" ]
https://hackaday.com/wp-…ged-in.png?w=800
The concept of creating a gaming portable out of a home console has been around for some time, but it’s hardly seen the other way around. There have been a few devices that dared to straddle the line (i.e., Sega Nomad, Nintendo Switch, etc.), but the two worlds typically remain separate. [Stephen] looked to explore tha...
17
9
[ { "comment_id": "5559280", "author": "Mike Massen", "timestamp": "2018-12-03T06:27:39", "content": "Nice one, HDMI can offer huge variations but, can you make any $ out of it beyond the transient joy of hacking. IOW. Hacking into HDMI with some processing to do something useful can be expensive for ...
1,760,374,124.697606
https://hackaday.com/2018/12/02/keep-both-hands-on-the-probes-with-this-oscilloscope-footswitch/
Keep Both Hands On The Probes With This Oscilloscope Footswitch
Dan Maloney
[ "Tool Hacks" ]
[ "footswitch", "gpib", "handsfree", "Keysight", "tektronix", "TMC", "usb", "USBTMC" ]
https://hackaday.com/wp-…827704.jpg?w=800
We’ve got two hands, so it’s natural to want to use both of them while diagnosing a circuit with an oscilloscope. Trouble is, keeping both hands on the probes makes it a touch difficult to manipulate the scope. If only there were some way to put your idle lower appendages to work. This multipurpose oscilloscope footswi...
18
7
[ { "comment_id": "5559043", "author": "PancakePuppy", "timestamp": "2018-12-03T03:14:42", "content": "Neat! I took on a similar project at work and went with SCPI over TCP or UDP. It requiring a network with DHCP makes it a lot more infrastructure-reliant unfortunately. This is so much cooler ????", ...
1,760,374,124.5207
https://hackaday.com/2018/12/02/hackaday-links-december-2-2018/
Hackaday Links: December 2, 2018
Brian Benchoff
[ "Hackaday Columns", "Hackaday links" ]
[ "CircuitPython", "conference", "DPRK", "KiCAD", "KiCon", "North Korea", "VCF", "Vintage Computer Festival" ]
https://hackaday.com/wp-…banner.jpg?w=800
CircuitPython is becoming a thing! CircuitPython was originally developed from MicroPython and ported to various ARM boards by Adafruit. Now, SparkFun is shipping their own CircuitPython board based on the nRF52840, giving this board an ARM Cortex-M4 and a Bluetooth radio. You like contests, right? You like circuit boa...
15
8
[ { "comment_id": "5558672", "author": "John blackthorn", "timestamp": "2018-12-03T00:22:23", "content": "Out of all that comes the deepest most profound question since time began.Do the socks have the jolly wrencher on them?", "parent_id": null, "depth": 1, "replies": [ { "c...
1,760,374,124.822446
https://hackaday.com/2018/12/02/a-raspberry-pi-has-this-pool-covered/
A Raspberry Pi Has This Pool Covered
Jenny List
[ "home hacks", "Raspberry Pi" ]
[ "pool controller", "pool. raspberry pi", "swimming pool" ]
https://hackaday.com/wp-…atured.jpg?w=800
Far from being a tiled hole in the ground with a bit of water in it, a modern swimming pool boasts a complex array of subsystems designed to ensure your morning dip is as perfect as that you’d find on the sun-kissed beaches of your dream tropical isle. And as you might expect with such complex pieces of equipment in a ...
25
8
[ { "comment_id": "5558487", "author": "Darren", "timestamp": "2018-12-02T22:18:32", "content": "That is an awful lot of electricity for such a simple task.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5558507", "author": "VladPutinzki", "tim...
1,760,374,125.004805
https://hackaday.com/2018/12/02/fpv-antenna-leans-into-the-bank/
FPV Antenna Leans Into The Bank
Brian Benchoff
[ "3d Printer hacks", "drone hacks" ]
[ "drone", "FPV" ]
https://hackaday.com/wp-…1/roll.png?w=800
If you’re doing remote controlled flight, odds are you’re also flying FPV. Or you at least have a camera on board. If you’re transmitting to the ground, you may have noticed the antenna on your plane has some weird radiation patterns; bank your plane to the left or right, and your signal gets worse. [Ant0003] over on T...
23
9
[ { "comment_id": "5557907", "author": "Alphatek", "timestamp": "2018-12-02T18:27:32", "content": "Very convoluted way of beating a weighted end and a pivot!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5558037", "author": "Mike", "timestamp"...
1,760,374,125.063409
https://hackaday.com/2018/12/02/spring-loaded-bed-for-k40-laser-acts-as-an-auto-focus/
Spring-Loaded Bed For K40 Laser Acts As An Auto-Focus
Donald Papp
[ "hardware", "Laser Hacks" ]
[ "auto focus", "bed leveling", "cnc", "K40", "K40 laser cutter", "laser", "laser cutter", "laser engraver", "spring-loaded" ]
https://hackaday.com/wp-…l-wide.png?w=800
Laser engraving and cutting has something in common with focusing the sun’s rays with a magnifying glass: good focus is critical to results. If materials of varying thicknesses are used, focus needs to be re-set every time the material changes, and manual focusing quickly becomes a chore. [Scorch Works] has a clever so...
12
9
[ { "comment_id": "5557735", "author": "Steven13", "timestamp": "2018-12-02T15:56:36", "content": "That is a brilliant idea!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5557736", "author": "Steven13", "timestamp": "2018-12-02T15:57:20", ...
1,760,374,125.109058
https://hackaday.com/2018/12/02/wheel-of-fortune-gets-infinite-puzzles-on-nes/
Wheel Of Fortune Gets Infinite Puzzles On NES
Lewin Day
[ "Nintendo Hacks" ]
[ "emulator", "nes", "Nintendo Entertainment System", "raspberry pi", "retropie", "rom", "ROM hack", "rom hacks" ]
https://hackaday.com/wp-…imized.gif?w=800
Wheel of Fortune is a television game show, born in the distant year of 1975. Like many popular television properties of the era, it spawned a series of videogames on various platforms. Like many a hacker, [Chris] had been loading up the retro NES title on his Raspberry Pi when he realized that, due to the limitations ...
20
10
[ { "comment_id": "5556894", "author": "Gregg Eshelman", "timestamp": "2018-12-02T12:17:57", "content": "Yes, Wheel launched in 1975. 43 years ago. But on the current show they claim only 36 years. That’s the syndicated version, which started in 1982~83 with Vanna and Pat.For some reason NBC erased or...
1,760,374,125.168535
https://hackaday.com/2018/12/02/cnc-machine-most-satisfyingly-mills-double-sided-pcbs/
CNC Machine Most Satisfyingly Mills Double-Sided PCBs
Dan Maloney
[ "cnc hacks", "Tool Hacks" ]
[ "cnc", "double sided", "fr4", "mask", "pcb", "resist", "via" ]
https://hackaday.com/wp-…957439.png?w=800
We know that by this point in the development of CNC technology, nothing should amaze us. We’ve seen CNC machines perform feats of precision that shouldn’t be possible, whether it be milling a complex jet engine turbine blade or just squirting out hot plastic. But you’ve just got to watch this PCB milling CNC machine g...
50
27
[ { "comment_id": "5556060", "author": "mime", "timestamp": "2018-12-02T09:14:03", "content": "looks good", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5557936", "author": "Ren", "timestamp": "2018-12-02T18:43:05", "content": "Looks VE...
1,760,374,125.257051
https://hackaday.com/2018/12/01/3d-printed-brushed-motor-is-easy-to-visualize/
3D Printed Brushed Motor Is Easy To Visualize
Al Williams
[ "3d Printer hacks" ]
[ "3d printing", "brushed motor", "brushes", "model", "motor" ]
https://hackaday.com/wp-…/motor.png?w=800
A motor — or a generator — requires some normal magnets and some electromagnets. The usual arrangement is to have a brushed commutator that both powers the electromagnets and switches their polarity as the motor spins. Permanent magnets don’t rotate and attract or repel the electromagnets as they swing by. That can be ...
5
3
[ { "comment_id": "5555881", "author": "Jan", "timestamp": "2018-12-02T08:18:14", "content": "Interesting build and it’s up for debate if you could have build this quicker without a 3D printer but that’s not the point here I guess.If you are a newbie and buy a simple motor from aliebay or wherever you...
1,760,374,125.299077
https://hackaday.com/2018/12/01/connect-your-electric-heater-to-the-internet-easily-and-cheaply/
Connect Your Electric Heater To The Internet (Easily And Cheaply)!
Brian Benchoff
[ "home hacks" ]
[ "alexa", "electric blanket" ]
https://hackaday.com/wp-…lanket.png?w=800
Winter has arrived, and by now most households should have moved on from incandescent bulbs, so we can’t heat ourselves that way. Avoiding the chill led [edent] to invest in an electric blanket. This isn’t any ordinary electric blanket — no, this is one connected to the Internet , powered by Alexa. This is a project fo...
18
10
[ { "comment_id": "5554869", "author": "rfi", "timestamp": "2018-12-02T03:26:19", "content": "Alexa, is my house on fire yet?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "5555181", "author": "M", "timestamp": "2018-12-02T04:16:07", "c...
1,760,374,125.565898