# 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`