Solder Smarts: Hands-Free Fume Extractor Hack
https://hackaday.com/2025/07/09/solder-smarts-hands-free-fume-extractor-hack/
https://hackaday.com/2025/07/09/solder-smarts-hands-free-fume-extractor-hack/
Hackaday
Solder Smarts: Hands-Free Fume Extractor Hack
[Ryan] purchased a large fume extractor designed to sit on the floor below the work area and pull solder fumes down into its filtering elements. The only drawback to this new filter was that its co…
Generatively-Designed Aerospike Test Fired
https://hackaday.com/2025/07/10/generatively-designed-aerospike-test-fired/
https://hackaday.com/2025/07/10/generatively-designed-aerospike-test-fired/
Hackaday
Generatively-Designed Aerospike Test Fired
The aerospike engine holds great promise for spaceflight, but for various reasons, has remained slightly out of reach for decades. But thanks to Leap 71, the technology has moved one step closer to…
An Emulated Stroll Down Macintosh Memory Lane
https://hackaday.com/2025/07/10/an-emulated-stroll-down-macintosh-memory-lane/
https://hackaday.com/2025/07/10/an-emulated-stroll-down-macintosh-memory-lane/
Hackaday
An Emulated Stroll Down Macintosh Memory Lane
If you’re into Macs, you’ll always remember your first. Maybe it was the revolutionary classic of 1984 fame, perhaps it was the adorable G3 iMac in 1998, or even a shiny OS X machine in…
Ask Hackaday: Are You Wearing 3D Printed Shoes?
https://hackaday.com/2025/07/10/ask-hackaday-are-you-wearing-3d-printed-shoes/
https://hackaday.com/2025/07/10/ask-hackaday-are-you-wearing-3d-printed-shoes/
Hackaday
Ask Hackaday: Are You Wearing 3D Printed Shoes?
We love 3D printing. We’ll print brackets, brackets for brackets, and brackets to hold other brackets in place. Perhaps even a guilty-pleasure Benchy. But 3D printed shoes? That’s where we start to…
Personal Reflections on Immutable Linux
https://hackaday.com/2025/07/10/personal-reflections-on-immutable-linux/
https://hackaday.com/2025/07/10/personal-reflections-on-immutable-linux/
Hackaday
Personal Reflections On Immutable Linux
Immutable distributions are slowly spreading across the Linux world– but should you care? Are they hacker friendly? What does “immutable” mean, anyway? Immutable means “not …
Voltage Divider? Filter? It’s Both!
https://hackaday.com/2025/07/10/voltage-divider-filter-its-both/
https://hackaday.com/2025/07/10/voltage-divider-filter-its-both/
Hackaday
Voltage Divider? Filter? It’s Both!
When we do textbook analysis, we tend to ignore the real-world concerns for the sake of learning. So, a typical theoretical voltage divider is simply two resistors. But if you examine a low-pass RC…
Embedded USB Debug for Snapdragon
https://hackaday.com/2025/07/10/embedded-usb-debug-for-snapdragon/
https://hackaday.com/2025/07/10/embedded-usb-debug-for-snapdragon/
Hackaday
Embedded USB Debug For Snapdragon
According to [Casey Connolly], Qualcomm’s release of how to interact with their embedded USB debugging (EUD) is a big deal. If you haven’t heard of it, nearly all Qualcomm SoCs made sin…
Hacking a Guitar into a Hurdy-Gurdy Hybrid with 3D Prints
https://hackaday.com/2025/07/10/hacking-a-guitar-into-a-hurdy-gurdy-hybrid-with-3d-prints/
https://hackaday.com/2025/07/10/hacking-a-guitar-into-a-hurdy-gurdy-hybrid-with-3d-prints/
Hackaday
Hacking A Guitar Into A Hurdy-Gurdy Hybrid With 3D Prints
If you’re looking for a long journey into the wonderful world of instrument hacking, [Arty Farty Guitars] is six parts into a seven part series on hacking an existing guitar into a guitar-hur…
Double Your Printing Fun with Dual-Light 3D Printing
https://hackaday.com/2025/07/10/double-your-printing-fun-with-dual-light-3d-printing/
https://hackaday.com/2025/07/10/double-your-printing-fun-with-dual-light-3d-printing/
Hackaday
Double Your Printing Fun With Dual-Light 3D Printing
Using light to 3D print liquid resins is hardly a new idea. But researchers at the University of Texas at Austin want to double down on the idea. Specifically, they use a resin with different physi…
DIY Navigation System Floats this Boat
https://hackaday.com/2025/07/10/diy-navigation-system-floats-this-boat/
https://hackaday.com/2025/07/10/diy-navigation-system-floats-this-boat/
Hackaday
DIY Navigation System Floats This Boat
[Tom] has taken a DIY approach to smart sailing with a Raspberry Pi as the back end to the navigation desk on his catamaran, the SeaHorse. Tucked away neatly in a waterproof box with a silicone gas…
Listen To The Sound Of The Crystals
https://hackaday.com/2025/07/11/listen-to-the-sound-of-the-crystals/
https://hackaday.com/2025/07/11/listen-to-the-sound-of-the-crystals/
Hackaday
Listen To The Sound Of The Crystals
We’re all used to crystal resonators — they provide pretty accurate frequency references for oscillators with low enough drift for most of our purposes. As the quartz equivalent of a tu…
This Homebrew CPU Got Its Start in the 1990s
https://hackaday.com/2025/07/11/this-homebrew-cpu-got-its-start-in-the-1990s/
https://hackaday.com/2025/07/11/this-homebrew-cpu-got-its-start-in-the-1990s/
Hackaday
This Homebrew CPU Got Its Start In The 1990s
[Sylvain Fortin] recently wrote in to tell us about his Homebrew CPU Project, and the story behind this one is truly remarkable. He began working on this toy CPU back in 1994, over thirty years ago…
This Week in Security: Bitchat, CitrixBleed Part 2, Opossum, and TSAs
https://hackaday.com/2025/07/11/this-week-in-security-bitchat-citrixbleed-part-2-opossum-and-tsas/
https://hackaday.com/2025/07/11/this-week-in-security-bitchat-citrixbleed-part-2-opossum-and-tsas/
Hackaday
This Week In Security: Bitchat, CitrixBleed Part 2, Opossum, And TSAs
@jack is back with a weekend project. Yes, that Jack. [Jack Dorsey] spent last weekend learning about Bluetooth meshing, and built Bitchat, a BLE mesh encrypted messaging application. It uses X2551…
PlayStation Case Mod Hides Gamer Shame
https://hackaday.com/2025/07/11/playstation-case-mod-hides-gamer-shame/
https://hackaday.com/2025/07/11/playstation-case-mod-hides-gamer-shame/
Hackaday
PlayStation Case Mod Hides Gamer Shame
[Zac] of Zac Builds has a shameful secret: he, a fully grown man, plays video games. Shocking, we know, but such people do exist in our society. After being rightfully laughed out of the family liv…
Hackaday Podcast Episode 328: Benchies, Beanies, and Back to the Future
https://hackaday.com/2025/07/11/hackaday-podcast-episode-328-benchies-beanies-and-back-to-the-future/
https://hackaday.com/2025/07/11/hackaday-podcast-episode-328-benchies-beanies-and-back-to-the-future/
Hackaday
Hackaday Podcast Episode 328: Benchies, Beanies, And Back To The Future
This week, Hackaday’s Elliot Williams and Kristina Panos joined forces to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous week. In Hackaday new…
Dearest C++, Let Me Count the Ways I Love/Hate Thee
https://hackaday.com/2025/07/11/dearest-c-let-me-count-the-ways-i-love-hate-thee/
https://hackaday.com/2025/07/11/dearest-c-let-me-count-the-ways-i-love-hate-thee/
Hackaday
Dearest C++, Let Me Count The Ways I Love/Hate Thee
My first encounter with C++ was way back in the 1990s, when it was one of the Real Programming Languages™ that I sometimes heard about as I was still splashing about in the kiddie pool with Visual …
An Induction Lamp Made on the Same Principle as Ordinary Fluorescent Lamp
https://hackaday.com/2025/07/11/an-induction-lamp-made-on-the-same-principle-as-ordinary-fluorescent-lamp/
https://hackaday.com/2025/07/11/an-induction-lamp-made-on-the-same-principle-as-ordinary-fluorescent-lamp/
Hackaday
An Induction Lamp Made On The Same Principle As Ordinary Fluorescent Lamp
Over on YouTube, [Technology Connections] has a new video: Induction lamps: fluorescent lighting’s final form. This video is about a wireless fluorescent light which uses induction to transfe…
Designing a CPU with only Memory Chips
https://hackaday.com/2025/07/11/designing-a-cpu-with-only-memory-chips/
https://hackaday.com/2025/07/11/designing-a-cpu-with-only-memory-chips/
Hackaday
Designing A CPU With Only Memory Chips
Building a simple 8-bit computer is a great way to understand computing fundamentals, but there’s only so much you can learn by building a system around an existing processor. If you want to learn …