4 layers170 × 170 mm

Boards in 1 GitHub repository, designed in KiCad, that use the SP3232EUCN by MaxLinear (TSSOP-16(4.4x5x0.65) RS232 ICs ROHS). See how each wires it, with its parts, size, README and files; the SP3232EUCN’s symbol, footprint and pinout are on its own page.
