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 ...

Rather, [MakerBR] says the Arduino version is designed to be more ... over the need to verify everything matches the provided circuit diagrams as some vendors might have fiddled with the pinout.

At last, some 'spare' time this weekend, and I learned two things about SCR dc motor control: Permanent magnet dc motors need ...