Dec. 2, 2021 /PRNewswire/ --Remcom announces the addition of a schematic editor and frequency-domain circuit solver in the latest release of XFdtd® 3D EM Simulation Software, enabling today's ...

While we wouldn’t want to document a computer motherboard with ASCII schematics, it’s great for a quick-and-dirty circuit diagrams. Not exactly schematics, but [Duckman] has some Arduino ...