2 layers36.4 × 31.8 mm

MB9X UART
famicomical/MB9X-UART
In-system Serial Programming Adapter for Fujitsu F2MC-16LX microcontrollers
15 parts6
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

famicomical/MB9X-UART
In-system Serial Programming Adapter for Fujitsu F2MC-16LX microcontrollers

famicomical/USB_CopyNES
KiCad 9 recreation of the Sealie USB CopyNES V4 (rev D), traced from the original PCB