6 layers21 × 17.8 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the UM3301DA by Union Semiconductor. See how each wires it, with its parts, size, README and files; the UM3301DA’s symbol, footprint and pinout are on its own page.


yuxiangcheng2002/stm32c5-xiao-cf
XIAO form-factor (20×17.5mm) CAN-FD node board based on STM32C542.