What if your 3D printer could fit in a box of filament but still rival the build plate size of heavyweights? Enter the Lemontron, a free and open source portable …read more (https://hackaday.com/2024/11/20/if-life-gives-you-lemons-build-this-lemontron/)

FLOSS Weekly Episode 810: Pi4J – Stable and Boring on the Raspberry Pi
https://hackaday.com/2024/11/20/floss-weekly-episode-810-pi4j-stable-and-boring-on-the-raspberry-pi/

This week, Jonathan Bennett, Randal Schwartz, and Aaron Newcomb chat about Linux, the challenges with using system modules like the Raspberry Pi, challenges with funding development, and more! Did you …read more (https://hackaday.com/2024/11/20/floss-weekly-episode-810-pi4j-stable-and-boring-on-the-raspberry-pi/)

A Cyberpunk Pocketwatch
https://hackaday.com/2024/11/20/a-cyberpunk-pocketwatch/

For a time, pocketwatches were all the rage, but they were eventually supplanted by the wristwatch. [abe] built this cyberpunk Lock’n’Watch to explore an alternate history for the once trendy …read more (https://hackaday.com/2024/11/20/a-cyberpunk-pocketwatch/)

A Tube Stereo Amplifier, From Scratch
https://hackaday.com/2024/11/20/a-tube-stereo-amplifier-from-scratch/

A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. …read more (https://hackaday.com/2024/11/20/a-tube-stereo-amplifier-from-scratch/)

Stepping On LEGO For Science
https://hackaday.com/2024/11/20/stepping-on-lego-for-science/

You might say that the worst LEGO to step on is any given piece that happens to get caught underfoot, but have you ever thought about what the worst one …read more (https://hackaday.com/2024/11/20/stepping-on-lego-for-science/)

Simple Stack of Ferrites Shows How Fluxgate Magnetometers Work
https://hackaday.com/2024/11/20/simple-stack-of-ferrites-shows-how-fluxgate-magnetometers-work/

Have you ever wondered how a magnetometer works? We sure have, which was why we were happy to stumble upon this article on simple homebrew fluxgate magnetometers. As [Maurycy] explains, …read more (https://hackaday.com/2024/11/20/simple-stack-of-ferrites-shows-how-fluxgate-magnetometers-work/)

Simple Hydrogen Generator Makes Bubbles and Looks Cool
https://hackaday.com/2024/11/21/simple-hydrogen-generator-makes-bubbles-and-looks-cool/

Hydrogen! It’s a highly flammable gas that seems way too cool to be easy to come by. And yet, it’s actually trivial to make it out of water if you …read more (https://hackaday.com/2024/11/21/simple-hydrogen-generator-makes-bubbles-and-looks-cool/)

Measuring the Mighty Roar of SpaceX’s Starship Rocket
https://hackaday.com/2024/11/21/measuring-the-mighty-roar-of-spacexs-starship-rocket/