https://blog.wongcw.com/2020/08/06/%e4%b8%89%e6%98%9f%e7%99%bc%e5%b8%83galaxy-note-20%e7%b3%bb%e5%88%97%e5%b8%b6%e4%be%86%e6%9c%80%e5%a4%a76-9%e8%8b%b1%e5%af%b8%e5%b1%8f%e5%b9%95%e5%92%8c%e6%9b%b4%e5%a5%bd%e7%9a%84s-pen/