In this three part video series we watch [Dirk Herrendoerfer] go from scraps to a nice 3D printed assembly as he iterates through the design of a pen plotter for making circuit boards.

Inspired by NASA aerospace engineering, this project features a plasma thruster, designed to maximize efficiency and increase ...

Build a DIY Lead Acid Battery Charger Circuit Posted: February 1, 2025 | Last updated: February 1, 2025 Learn how to build your own auto cut-off lead acid battery charger circuit for a 12V system ...