Open-source boards designed in KiCad by HalfSweet on GitHub, from 4 repositories. A board’s address here is its repository’s there.
HalfSweet/HSDevKit5301
基于HPM5301芯片的开发板
HalfSweet/SFduino-UNO-S2
SF32LB52 Devkit
HalfSweet/FSLinkBase-Hardware
HalfSweet/PYLinkBase-Hardware