Open-source boards designed in KiCad by I-Sys-UF on GitHub, from 3 repositories. A board’s address here is its repository’s there.
I-Sys-UF/Trainer
プログラミング初心者向け練習キット「Trainer」
I-Sys-UF/BIT3_PCB
KiCad 7.0.x にて設計
I-Sys-UF/docs
ドキュメントの集合体