A medieval Gothic Monastery built using CAD / CAM
https://hackaday.com/2023/01/13/a-medieval-gothic-monastery-built-using-cad-cam/

Just because you’re a monk doesn’t mean you can’t use CAD. The Carmelite monks of Wyoming are building a grandiose Gothic Monastery, and it’s awe inspiring how they are managing …read more (https://hackaday.com/2023/01/13/a-medieval-gothic-monastery-built-using-cad-cam/)

DIY Fiber Laser Adds Metal Cutting to the Mix
https://hackaday.com/2023/01/13/diy-fiber-laser-adds-metal-cutting-to-the-mix/

Sadly, the usual CO2-powered suspects in the DIY laser cutter market are woefully incapable of cutting metal. Sure, they’ll cut the heck out of plywood and acrylic, and most will …read more (https://hackaday.com/2023/01/13/diy-fiber-laser-adds-metal-cutting-to-the-mix/)

Arduino Library Brings rtl_433 to the ESP32
https://hackaday.com/2023/01/13/arduino-library-brings-rtl_433-to-the-esp32/

If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you receive and decode signals from an ever-expanding list of supported …read more (https://hackaday.com/2023/01/13/arduino-library-brings-rtl_433-to-the-esp32/)

An E-Ink Progress Bar for Your Unborn Child
https://hackaday.com/2023/01/13/an-e-ink-progress-bar-for-your-unborn-child/

Having a child is a major milestone in a person’s life, and there’s a long list of things to get done before that little bundle of joy kicks and screams …read more (https://hackaday.com/2023/01/13/an-e-ink-progress-bar-for-your-unborn-child/)

Detecting Algal Blooms with the Help of AI
https://hackaday.com/2023/01/13/detecting-algal-blooms-with-the-help-of-ai/

Harmful Algal Blooms (HABs) can have negative consequences for both marine life and human health, so it can be helpful to have early warning of when they’re on the way. …read more (https://hackaday.com/2023/01/13/detecting-algal-blooms-with-the-help-of-ai/)

Swap the Clock Chip on the Mac SE/30 with an ATTiny85
https://hackaday.com/2023/01/13/swap-the-clock-chip-on-the-mac-se-30-with-an-attiny85/

As [Phil Greenland] explains in the first part of his excellent write-up, the lithium battery used to keep the real-time clock (RTC) going on the Macintosh SE/30 has a nasty …read more (https://hackaday.com/2023/01/13/swap-the-clock-chip-on-the-mac-se-30-with-an-attiny85/)

Increasing PV Solar Cell Efficiency Through Cooling
https://hackaday.com/2023/01/14/increasing-pv-solar-cell-efficiency-through-cooling/