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Cheap ESP32 Webcam
Looking for a cheap way to keep an eye on something? [Kevin Hester] pointed us to a way to make a WiFi webcam for under $10. This uses one of the many cheap ESP32 dev boards available, along with the...
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Never Mind The Sheet Music, Here’s Spreadsheet Music
Nothing says Rockstar Musician Lifestyle like spreadsheet software. Okay, we might have mixed up the word order a bit in that sentence, but there’s always Python to add some truth to it. After all, if...
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Hack Your File Hierarchy with Johnny Decimal System (Dewey’s Older Brother)
Most of us have our fair share of digital debris. After all, with drives measured in one-million-million byte increments it’s tempting to never delete anything. The downside is you may never be able to...
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Open Source Biological Gear For the Masses
At the risk of putting too fine a point on it, Hackaday exists because people are out there building and documenting open source gadgets. If the person who built a particular gizmo is willing to show...
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A Very Different ‘Hot Or Not’ Application For Your Phone
Radioactivity stirs up a lot of anxiety, partially because ionizing radiation is undetectable by any of the senses we were born with. Anytime radiation makes the news, there is a surge of people...
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Blacksmith Elevates the Craft with this Fabulous Strongbox
For most of human industrial history, the blacksmith was the indispensable artisan. He could fashion almost anything needed, from a simple hand tool to a mechanism as complex as a rifle. Starting with...
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Leap Motion’s Project North Star Gets Hardware
It’s been more than a year since we first heard about Leap Motion’s new, Open Source augmented reality headset. The first time around, we were surprised: the headset featured dual 1600×1440 LCDs, 120...
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Unlocking God Mode on x86 Processors
We missed this Blackhat talk back in August, but it’s so good we’re glad to find out about it now. [Christopher Domas] details his obsession with hidden processor instructions, and how he discovered...
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3D-Printed Tourbillon Demo Keeps the Time with Style
It may only run for a brief time, and it’s too big for use in an actual wristwatch, but this 3D-printed tourbillon is a great demonstration of the lengths watchmakers will go to to keep mechanical...
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High-Altitude Ballooning Hack Chat
Join us on Wednesday at noon Pacific time for the high-altitude ballooning Hack Chat! The Cope brothers are our hosts this week. Jeremy, a computer engineer, and Jason, a mechanical engineer, have...
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NVIDIA’s A.I. Thinks It Knows What Games Are Supposed Look Like
Videogames have always existed in a weird place between high art and cutting-edge technology. Their consumer-facing nature has always forced them to be both eye-catching and affordable, while remaining...
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The Thrill of Building Space Hardware to Exceptionally High Standards
It’s fair to say that the majority of Hackaday readers have not built any hardware that’s slipped the surly bonds of Earth and ventured out into space proper. Sure we might see the occasional high...
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ESP8266 And Alexa Team Up To Tend Bar
After a hard day of soldering and posting memes online, sometimes you just want to yell at the blinking hockey puck in the corner and have it pour you out a perfectly measured shot of your favorite...
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3D Printing With Tomography in Reverse
The 3D printers we’re most familiar with use the fused deposition process, in which hot plastic is squirted out of a nozzle, to build up parts on a layer by layer basis. We’ve also seen...
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Hardware Developers Didactic Galactic Call for Talks
Hackaday is known for having the best community around, and we prove this all the time. Every month, we hold meetups across the United States. This, in addition to conferences and mini-cons across the...
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Operation Backfire: Witness to the Rocket Age
As the prospects for Germany during the Second World War began to look increasingly grim, the Nazi war machine largely pinned their hopes on a number of high-tech “superweapons” they had in...
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Modernizing a Soviet-era LED Matrix
Used in everything from calculators to military hardware, the 3LS363A is an interesting piece of vintage hardware. With a resolution of 5 x 7 (plus a decimal point), the Soviet-made displays contain no...
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Cheap Power Over Ethernet For The ESP32
While most projects we see with the ESP32 make use of its considerable wireless capabilities, the chip can be connected to the wired network easily enough should you have the desire to do so. [Steve]...
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Make the Time to Fix Your Time Debt
You’re too busy to read more than this intro paragraph. We all are. Your interest might get piqued enough to skim, but you can’t read the full thing. Our lives all resemble the White Rabbit, constantly...
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Make Your Own Phosphorescent Material
Phosphors are key to a whole swathe of display and lighting technologies. Cathode ray tubes, vacuum fluorsecent displays, and even some white LEDs all use phosphors to produce light. [Hydrogen Time]...
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