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Isomorphic Keyboards With CV Out
A piano keyboard can be much more than a linear row of white keys and black keys. Over the history of the keyboard, different arrangement have been made, and in the late 19th century, the Janko...
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The Demise Of The Password
Although we hackers will sometimes deliberately throw away our passwords and then try and hack our own phones / WIFI systems for self amusement, for many people including the actual inventor of the...
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LEGO-Based Robot Arm With Motion Planning
Robotic arms have found all manner of applications in industry. Whether its welding cars, painting cars, or installing dashboards in cars, robotic arms can definitely do the job. However, you don’t...
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Hackaday Links: July 14, 2019
The M5Stack is a plastic box loaded up with an ESP32, a display, some pin headers, and a few buttons. Why does this exist? It’s a platform of sorts, and we’ve seen people adding LoRa to the M5Stack as...
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The Basics Of SCRs
Although the silicon controlled rectifier or SCR has been around since 1957, it doesn’t get nearly the love an ordinary transistor does. That’s a shame because they are quite handy when it comes to...
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Pedal Faster! I Need To Join A Conference Call!
It is rare to find a car these days without some mechanism for charging a cell phone. After all, phones need charging all the time and we spend a lot of time in our cars. But what if you spend a lot...
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A Stacked Peltier Cloud Chamber Build
Subatomic particles are remarkably difficult to see, but they can be made visible with the right techniques. Building a cloud chamber with dry ice is a common way to achieve this, but coming by the...
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Curbing Internet Addiction In A Threatening Manner
Those who have children of their own might argue that the youth of today are getting far too much internet time. [Nick] decided to put an emergency stop to it and made this ingenious internet kill...
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Hiding Data in Music Might be the Key to Ditching Coffee Shop WiFi Passwords
In a move guaranteed to send audiophiles recoiling back into their sonically pristine caves, two doctoral students at ETH Zurich have come up with an interesting way to embed information into music....
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Getting MIDI Under Control
When [Mr. Sobolak] started his DIY Midi Fighter he already had experience with the MIDI protocol, and because it is only natural once you have mastered something to expand on the success and build...
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Hoverboard Circles Bastille Day
According to reports, a turbine-powered flying board buzzed around Bastille Day celebrations carrying its inventor [Franky Zapata] toting a rifle to promote the military applications of the Flyboard...
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Building A Development Board For The STM32 G0 Series
When [Andy Brown] recently tripped over ST’s new G0 series of MCUs, he figured after some research that the best way to learn everything there’s to know about the STM32G0xx by making his own...
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Raspberry Pi Cyberdeck Inspired by Rare MSX
When we see these cyberdeck builds, the goal is usually to just make something retro-futuristic enough to do William Gibson proud. There’s really no set formula, but offset screens coupled with large...
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Hacking This Smart Bulb Is Almost Too Easy
The regular Hackaday reader no longer needs to be reminded about how popular the ESP8266 is; they see the evidence of that several times a day. But what might not be quite so obvious is that it isn’t...
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Neural Network In Glass Requires No Power, Recognizes Numbers
We’ve all come to terms with a neural network doing jobs such as handwriting recognition. The basics have been in place for years and the recent increase in computing power and parallel processing has...
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Hardware Notifications For ISS Flybys
Since Sputnik launched in the 1950s, it’s been possible to look outside at night and spot artificial satellites orbiting with the naked eye. While Sputnik isn’t up there anymore, a larger, more modern...
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Pushing Pixels To A Display With VGA Without A PC
[Ben Eater] is back with the second part of his video series on building a simple video card that can output 200×600 pixels to a display with nothing but a VGA connection, a handful of 74-logic chips...
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3D Printed Snap Gun for Automatic Lock Picking
At a far flung, wind blown, outpost of Hackaday, we were watching a spy film with a bottle of suitably cheap Russian vodka when suddenly a blonde triple agent presented a fascinating looking gadget to...
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High-Tech Alms Collection With The ESP32
In an ideal world, shop space, tools, and components would be free. But until we get to that Star Trek utopia, hackerspaces will have to rely on donations from the community to help stay afloat. While...
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Art Meets Science In The Cold Wastelands Of Iceland
Although Iceland is now a popular destination for the day-tripping selfie-seeking Instagrammer who rents a 4×4, drives it off road onto delicate ecosystems and then videos the ensuing rescue when the...
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