DIY Geophone Build Performs Well
https://hackaday.com/2024/03/02/diy-geophone-build-performs-well/

If you want to know what’s going on with the ground, geologically speaking, a geophone is a great tool to have. It lets you listen in on the rumbles and …read more (https://hackaday.com/2024/03/02/diy-geophone-build-performs-well/)

It’s a CoCo! No, it’s an Apple II!
https://hackaday.com/2024/03/02/its-a-coco-no-its-an-apple-ii/

Original retrocomputing hardware is now decades old and showing its age, so the chances are it’s more common in 2024 to experience a machine from the 1970s or 1980s by …read more (https://hackaday.com/2024/03/02/its-a-coco-no-its-an-apple-ii/)

Cheap Microscope Can Take Amazing Images With Some Simple Upgrades
https://hackaday.com/2024/03/02/cheap-microscope-can-take-amazing-images-with-some-simple-upgrades/

[Birdbrain] is trying to make their own microfluidic devices. To aid in this quest, they need a quality microscope to see what they’re doing. Instead of buying one outright, they …read more (https://hackaday.com/2024/03/02/cheap-microscope-can-take-amazing-images-with-some-simple-upgrades/)

Lost Print Vacuum Casting in a Microwave
https://hackaday.com/2024/03/02/lost-print-vacuum-casting-in-a-microwave/

Hacks are rough around the edges by their nature, so we love it when we get updates from makers about how they’ve improved their process. [Denny] from Shake the Future …read more (https://hackaday.com/2024/03/02/lost-print-vacuum-casting-in-a-microwave/)

Cybiko Repair-A-Thon With Memory Upgrade
https://hackaday.com/2024/03/02/cybiko-repair-a-thon-with-memory-upgrade/

Concluding a four-part repair-a-thon on a stack of Cybiko handheld computers, [Robert] over at Robert’s Retro covered the intricate details of fixing a last batch of four in a nearly one-hour …read more (https://hackaday.com/2024/03/02/cybiko-repair-a-thon-with-memory-upgrade/)

A Better Use For The AGP Slot, Decades Later
https://hackaday.com/2024/03/03/a-better-use-for-the-agp-slot-decades-later/

For a while around a quarter century ago PC motherboards came with a special slot, a little shorter than the PCI slots which ruled the roost back then, and offset …read more (https://hackaday.com/2024/03/03/a-better-use-for-the-agp-slot-decades-later/)

Building Your Own 4G LTE Base Station
https://hackaday.com/2024/03/03/building-your-own-4g-lte-base-station/