Boards in 1 GitHub repository, designed in KiCad, that use the PCA8575BS by NXP Semiconductors (Reset function、Cascading and address extension、Built-in LED driver HVQFN-24-EP(4x4) I/O Expanders ROHS). See how each wires it, with its parts, size, README and files; the PCA8575BS’s symbol, footprint and pinout are on its own page.
dpaola2/Harmony
Current logistics, September 26: core modules are received, and the revision B shells, LCD supports and carrier gauge passed loose fit checks. Screws and foam are ordered. The SD trial playlist is prepared.