Ultra-Low Power Soil Moisture Sensor
https://hackaday.com/2025/03/18/ultra-low-power-soil-moisture-sensor/

Electricity can be a pretty handy tool when it stays within the bounds of its wiring. It’s largely responsible for our modern world and its applications are endless. When it’s …read more (https://hackaday.com/2025/03/18/ultra-low-power-soil-moisture-sensor/)

Speeding Up Your Projects With Direct Memory Access
https://hackaday.com/2025/03/18/speeding-up-your-projects-with-direct-memory-access/

Here’s the thing about coding. When you’re working on embedded projects, it’s quite easy to run into hardware limitations, and quite suddenly, too. You find yourself desperately trying to find …read more (https://hackaday.com/2025/03/18/speeding-up-your-projects-with-direct-memory-access/)

Spy Tech: Build Your Own Laser Eavesdropper
https://hackaday.com/2025/03/18/spy-tech-build-your-own-laser-eavesdropper/

Laser microphones have been around since the Cold War. Back in those days, they were a favorite tool of the KGB – allowing spies to listen in on what was …read more (https://hackaday.com/2025/03/18/spy-tech-build-your-own-laser-eavesdropper/)

“Glasses” That Transcribe Text To Audio
https://hackaday.com/2025/03/19/glasses-that-transcribe-text-to-audio/

Glasses for the blind might sound like an odd idea, given the traditional purpose of glasses and the issue of vision impairment. However, eighth-grade student [Akhil Nagori] built these glasses …read more (https://hackaday.com/2025/03/19/glasses-that-transcribe-text-to-audio/)

Make Fancy Resin Printer 3D Models FDM-Friendly
https://hackaday.com/2025/03/19/make-fancy-resin-printer-3d-models-fdm-friendly/

Do you like high-detail 3D models intended for resin printing, but wish you could more easily print them on a filament-based FDM printer? Good news, because [Jacob] of Painted4Combat shared …read more (https://hackaday.com/2025/03/19/make-fancy-resin-printer-3d-models-fdm-friendly/)

So What is a Supercomputer Anyway?
https://hackaday.com/2025/03/19/so-what-is-a-supercomputer-anyway/

Over the decades there have been many denominations coined to classify computer systems, usually when they got used in different fields or technological improvements caused significant shifts. While the very …read more (https://hackaday.com/2025/03/19/so-what-is-a-supercomputer-anyway/)

Reviving a Maplin 4600 DIY Synthesizer From the 1970s
https://hackaday.com/2025/03/19/reviving-a-maplin-4600-diy-synthesizer-from-the-1970s/

A piece of musical history is the Maplin 4600, a DIY electronic music synthesizer from the 1970s. The design was published in an Australian electronics magazine and sold as a …read more (https://hackaday.com/2025/03/19/reviving-a-maplin-4600-diy-synthesizer-from-the-1970s/)

FLOSS Weekly Episode 825: Open Source CI With Semaphore
https://hackaday.com/2025/03/19/floss-weekly-episode-825-open-source-ci-with-semaphore/