6 layers54 × 28 mm

Boards in 1 GitHub repository, designed in KiCad, that use the PCAL6408AHK by NXP Semiconductors (Reset function、Cascading and address extension、Built-in LED driver、IO level configurable - I/O Expanders ROHS). See how each wires it, with its parts, size, README and files; the PCAL6408AHK’s symbol, footprint and pinout are on its own page.

