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This 3D Scanner Is Your Ticket To Photogrammetry
It seems 3D printers have been around for ages and still we don’t have a good solution for turning physical 3D objects into digital ones. Yes, 3D scanners exist, but the OpenScan is the best 3D...
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This Owner Took Control Of Their Proprietary Alarm System
When a tip comes in and the tipster feels they have to reassure us that despite appearances their subject is not facilitating crime, it certainly gets our attention. [Flam2006] has a Brinks home...
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Putting some Smarts into an Electric Car Charger
Many electric cars feature a timer capability that allows the owner to set which hours they want the vehicle to start pulling a charge. This lets the thrifty EV owner take advantage of the fact that...
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Cold Plasma Torch Produces a Cleansing Flame that Never Consumes
It’s basically a lightsaber. Except smaller. And with an invisible blade. And cold to the touch. But other than that, this homebrew cold plasma torch (YouTube, embedded below) is just like the Jedi’s...
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A Retro Handheld Console As They Used To Be Made
Before there were Nintendo Switches, there were Game Boys. And before that there were all the successive generations of Game Boys and other consoles right back to the Game and Watch, and then those...
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Hackaday Links: April 28, 2019
Lego is releasing a series of Braille bricks. As near as we can tell, these Braille bricks are standard 2 x 4 bricks, with studs corresponding to Braille letters on the top. There are also screen/pad...
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Emulate A Paper Tape, To Be Life And Soul Of The Cyphercon Party
The recent Cyphercon badge featured a very clever integrated paper tape reader, and had the hidden feature of a party mode in which all its lights would flash. When [Gigawatts] discovered this after...
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3D Printing with Multiple Soluble Filaments
Complex 3D-printed designs often require the use of an automatically generated support structure around them for stability. While this enables some truly incredible results, it adds considerable time...
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ESP32 Adds Bluetooth to GameCube Controllers
While it might not be the most traditional design, there’s no debating that Nintendo created something truly special when they unleashed the GameCube controller on an unsuspecting world back in 2001....
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Flying Sticks Are Now A Thing
Fixed-wing planes and helicopters are no longer the darling of the RC world. Even quadcopters and other multirotors are starting to look old hat, as the community looks to ever more outrageous...
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Build A Plotter Using Scrap DVD Drives
Building your own CNC machine can present a series of varied challenges. There are the software considerations, but also the mechanical side of things – motors, shafts, screws and slides all need to be...
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Benchmarking a Garbage Disposal Using The 3DBenchy Tugboat
We’ve always had a love-hate relationship with 3DBenchy, the tugboat-shaped 3D printer calibration target. On one hand, it’s incredibly useful to have a common, widely used, and challenging benchmark...
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3D Printing A Lifting Body Aircraft
When you think of unconventional aircraft, flying wings have had plenty of time in the sun over the last few decades. With striking designs like the B-2 Spirit and F-117A Nighthawk on the flight line,...
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A Stylish Low Part Count Non-Contact Thermometer
A non-contact thermometer is a pretty common tool these days, and one that most of us probably have kicking around the lab. You can grab them online for as little as $10 USD, and while they’re nowhere...
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Camera Sees Electromagnetic Interference Using an SDR and Machine Vision
It’s one thing to know that your device is leaking electromagnetic interference (EMI), but if you really want to solve the problem, it might be helpful to know where the emissions are coming from....
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3D Printing A Water Jet Drive
[Ivan Miranda] is always experimenting with 3D printing, and recently has been taking his work on the water. His latest creation is a racing paddle boat, but its performance left [Ivan] with a need...
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MIT Cryptographers Are No Match For A Determined Belgian
Twenty years ago, a cryptographic puzzle was included in the construction of a building on the MIT campus. The structure that houses what is now MIT’s Computer Science and Artificial Intelligence...
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A Physical Knob For Browser Tabs
If you’re like most of us, you have about twenty browser tabs open right now. What if there were a way to move through those tabs with a physical interface? That’s what [Zoe] did, and it’s happening...
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Jumbo LEDs Make for a Handy ATtiny Beacon
Inspiration can come from anywhere. Sometimes it’s just a matter of seeing an interesting part that you want to fiddle around with badly enough that you end up developing a whole idea, and potentially...
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Scratch Built Smartwatch Looks Pretty Darn Sharp with 3D Printed Case and...
These days, if you want a smart watch, you’re spoiled for choice. The major smartphone players all have devices on the market, and there’s plenty of third party manufacturers vying for your dollar,...
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