https://blog.faceutil.com/2017/05/24/%ec%9c%88%eb%8f%84%ec%9a%b0-%ec%84%a4%ec%b9%98-usb-%ed%83%9c%ea%b7%b8%ec%9d%98-%ea%b8%80-%eb%aa%a9%eb%a1%9d-%ea%b0%9c%eb%85%b8%eb%8b%b5%ec%9d%98-%ea%b0%9c%eb%85%b8%eb%8b%b5-%ed%83%88%ec%b6%9c/