# Regular Meeting (2022.1.24) * About HW board * SW: LibrePCB * Free/open-src and cross-platform(designed with QT5) * Good *[Strategy Design Pattern](https://en.wikipedia.org/wiki/Strategy_pattern)* of component * Somewhere has little bug, such as component update * Without estimating-trace-impedance (please buy Altium//) * Existed footprint: SOIC/SOT-23 (Checked draw) * Non-Existed footprint: USB-C Power Board * Drawing by my self * Chech layout detail from evey datasheet of ICs * Zybo-z7: * pending ###### tags: `Regular Meeting` `DeWei`