The V20-MBC is an easy to build V20HL (full static CMOS version) or 80C88 CPU SBC (Single Board Computer). It follows the same "concept" of the Z80-MBC2 (https://hackaday.io/project/159973), with an SD as "disk emulator" and up to 1024KB RAM. It has an optional on board 16x GPIO expander, and uses …