https://qooah.com/2012/05/23/%e5%b0%8f%e9%81%93%e6%b6%88%e6%81%af%ef%bc%8cgalaxy-note-10-1-%e5%b0%87%e6%93%81%e6%9c%89%e5%86%85%e7%bd%ae-s-pen/