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 ...

Physics 903: Power and Series Circuits. Season 2 Episode 903 | 29m 29s. ... They also learn to draw diagrams for series circuits and calculate R, V, or I. Aired 02/09/2002 | Rating NR.