Earlier this year [Skyhawkson] got ahold of an Apollo-era printed circuit board which he believes ... up to a 22-pin edge-card connector schematic symbol and labeled them according to my guesses.

Now it’s time to take that schematic, assign footprints to parts, and design a circuit board ... between a symbol (the schematic view) and a footprint (the PCB view). If we were to take our ...