本研習講義
http://gg.gg/0527chees
藍牙音箱組裝：https://sites.google.com/site/wenyumaker3/50-mei-youarduino/04-lan-ya-yin-xiang
停課不停學的部署準備：https://sites.google.com/site/wenyuwebbit/20yan-xi-huo-dong/20200513-weng-yuan-guo-xiao
https://youtu.be/5TYFYr5s24o