Voltage Divider? Filter? It’s Both!
https://hackaday.com/2025/07/10/voltage-divider-filter-its-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 …read more (https://hackaday.com/2025/07/10/voltage-divider-filter-its-both/)

Embedded USB Debug for Snapdragon
https://hackaday.com/2025/07/10/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 …read more (https://hackaday.com/2025/07/10/embedded-usb-debug-for-snapdragon/)

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/

It cranks, it keys! It doesn’t Julien Fry, but it’s worth its own video
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/07/hurdy-guitar-hand.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/07/hurdy-guitar-hand.png?w=800">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 …read more (https://hackaday.com/2025/07/10/hacking-a-guitar-into-a-hurdy-gurdy-hybrid-with-3d-prints/)

Double Your Printing Fun with Dual-Light 3D Printing
https://hackaday.com/2025/07/10/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 …read more (https://hackaday.com/2025/07/10/double-your-printing-fun-with-dual-light-3d-printing/)

DIY Navigation System Floats this Boat
https://hackaday.com/2025/07/10/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 …read more (https://hackaday.com/2025/07/10/diy-navigation-system-floats-this-boat/)

Listen To The Sound Of The Crystals
https://hackaday.com/2025/07/11/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 …read more (https://hackaday.com/2025/07/11/listen-to-the-sound-of-the-crystals/)

This Homebrew CPU Got Its Start in the 1990s
https://hackaday.com/2025/07/11/this-homebrew-cpu-got-its-start-in-the-1990s/