https://blog.faceutil.com/2017/05/24/%e2%96%a0-usb-%ed%8c%8c%ec%9d%bc-%eb%b9%bc%eb%82%b4%ea%b8%b0-%eb%8f%84%ed%94%8c%ea%b0%b1%ec%96%b4-1-0-%c2%a7/