2 layers23.5 × 18.4 mm

Boards in 1 GitHub repository, designed in KiCad, that use the CH341F by WCH (Nanjing Qinheng Microelectronics) (20mA 250uA 2Mbps 5V USB 2.0 USB to Parallel、USB to Synchronous Serial Interface QFN-28-EP(4x4) USB Converters ROHS). See how each wires it, with its parts, size, README and files; the CH341F’s symbol, footprint and pinout are on its own page.
