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Hackaday
@hackaday.com.web.brid.gy
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Fresh hacks every day

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hackaday.com.web.brid.gy
Breathe Easy While Printing With this VOC Calculator
We love 3D printing here, but we also love clean air, which produces a certain tension. There’s no way around the fact that printing produces various volatile organic compounds (VOCs), …read more
hackaday.com
December 24, 2025 at 3:13 AM
hackaday.com.web.brid.gy
Be Wary of Flash-less ESP32-C3 Super Mini Boards
Everyone loves tiny microcontroller boards, and the ESP32-C3 Super Mini boards are no exception. Unfortunately if you just casually stroll over to your nearest online purveyor of such goods to …read more
hackaday.com
December 24, 2025 at 1:13 AM
hackaday.com.web.brid.gy
Old FM Radio Upcycled Into Classy Bluetooth Speaker
Distracted by Design] loves gear from the 1980s, though some of it isn’t as useful as it used to be. He happened across a cheap old FM radio with a […read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
Tackling Tremors With DIY Technology
It’s Triggy!] had a problem to solve. His grandma was having issues with hand tremors, which made the basic tasks of daily life difficult to perform. He decided to explore […read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
Keebin’ with Kristina: the One With the Ultimate Portable Split
What do you look for in a travel keyboard? For me, it has to be split, though this condition most immediately demands a carrying solution of some kind. Wirelessness I …read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
The Nokia N900 Updated For 2025
Can a long-obsolete Linux phone from 2009 be of use in 2025? Yaky] has a Nokia N900, and is giving it a go. Back in the 2000s, Nokia owned the mobile […read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
Surviving the RAM Apocalypse With Software Optimizations
To the surprise of almost nobody, the unprecedented build-out of datacenters and the equipping of them with servers for so-called ‘AI’ has led to a massive shortage of certain components. …read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
libxml2 Narrowly Avoids Becoming Unmaintained
In an excellent example of one of the most overused XKCD images, the libxml2 library has for a little while lost its only maintainer, with Nick Wellnhofer] making good on […read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
Using an e-Book Reader as a Secondary Display
Alireza Alavi] wanted to use an e-ink tablet as a Linux monitor. Why? We don’t need to ask. You can see the result of connecting an Onyx BOOX Air 2 […read more
hackaday.com
December 23, 2025 at 11:13 PM
hackaday.com.web.brid.gy
Christmas Ornament Has Hidden Compartment, Clever Design
If you need something clever for a gift, consider this two-part 3D-printed Christmas ornament that has a small secret compartment. But there’s a catch: the print is a challenging one. …read more
hackaday.com
December 22, 2025 at 9:15 PM
hackaday.com.web.brid.gy
Calibrating a Printer with Computer Vision and Precise Timing
Dennis] of [Made by Dennis] has been building a Voron 0 for fun and education, and since this apparently wasn’t enough of a challenge, decided to add a number of […read more
hackaday.com
December 22, 2025 at 9:15 PM
hackaday.com.web.brid.gy
Ask Hackaday: What Goes Into A Legible Font, And Why Does It Matter?
There’s an interesting cultural observation to be made as a writer based in Europe, that we like our sans-serif fonts, while our American friends seem to prefer a font with …read more
hackaday.com
December 22, 2025 at 6:44 PM
hackaday.com.web.brid.gy
The Music of the Sea
For how crucial whales have been for humanity, from their harvest for meat and oil to their future use of saving the world from a space probe, humans knew very …read more
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December 22, 2025 at 6:44 PM
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Internet-Connected Consoles Are Retro Now, And That Means Problems
A long time ago, there was a big difference between PC and console gaming. The former often came with headaches. You’d fight with drivers, struggle with crashes, and grow ever …read more
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December 22, 2025 at 3:42 PM
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How To Build Good Contact Mics
We’re most familiar with sound as vibrations that travel through the atmosphere around us. However, sound can also travel through objects, too! If you want to pick it up, you’d …read more
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December 22, 2025 at 12:42 PM
hackaday.com.web.brid.gy
Lichtenberg Lightning in a Bottle, Thanks To The Magic of Particle Accelerators
You’ve probably seen Lichtenberg figures before, those lightning-like traces left by high-voltage discharge. The safe way to create them is using an electron beam to embed charge inside an acrylic …read more
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December 22, 2025 at 9:42 AM
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Origami on another Level with 3D Printing
Origami has become known as a miracle technique for designers. Elegant compliant mechanisms can leverage the material properties of a single geometry in ways that are sometimes stronger than those …read more
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December 22, 2025 at 6:42 AM
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The Unusual Pi Boot Process Explained
If you’ve ever experimented with a microprocessor at the bare metal level, you’ll know that when it starts up, it will look at its program memory for something to do. …read more
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December 22, 2025 at 3:42 AM
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Hackaday Links: December 21, 2025
It’s amazing how fragile our digital lives can be, and how quickly they can fall to pieces. Case in point: the digital dilemma that Paris Buttfield-Addison found himself in last …read more
hackaday.com
December 22, 2025 at 12:42 AM
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Pause Print, Add Hardware, and Enjoy Strength
3D Printing is great, but it is pretty much the worst way to make any given part– except that every other technique you could use to make that part is …read more
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December 21, 2025 at 9:42 PM
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Why Chopped Carbon Fiber in FDM Prints is a Contaminant
A lot of claims have been made about the purported benefits of adding chopped carbon fiber to FDM filaments, but how many of these claims are actually true? In the …read more
hackaday.com
December 21, 2025 at 6:42 PM
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A Compact, Browser-Based ESP32 Oscilloscope
An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking billions of samples per second to produce an accurate and informative representation …read more
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December 21, 2025 at 3:43 PM
hackaday.com.web.brid.gy
Shoot Instax Film In A Polaroid Camera With The Aid Of Tape
Polaroid cameras have been very popular for a very long time and are especially hot gifts this year. Fresh film is easy to find but relatively expensive. In contrast, Fuji’s …read more
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December 21, 2025 at 12:43 PM
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A Heavily Modified Rivian Attempts the Cannonball Run
There are few things more American than driving a car really fast in a straight line. Occasionally, the cars will make a few left turns, but otherwise, this is the …read more
hackaday.com
December 21, 2025 at 9:42 AM
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A Tiny Reflecting Telescope For Portable Astronomy
For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on …read more
hackaday.com
December 21, 2025 at 6:45 AM