It’s an old chestnut that tech marvels of the past used to come bundled with schematics, and that’s no longer the case. Indeed, they are often top secret. For laptops and phones, one part of ...

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 ...