https://blog.gongquiz.com/2021/05/28/%ec%99%80%ec%9d%b4%ed%8c%8c%ec%9d%b4-%ea%b3%b5%ec%9c%a0%ea%b8%b0-usb%ec%9d%98-%ec%88%a8%ec%9d%80-%ea%b8%b0%eb%8a%a5-3%ea%b0%80%ec%a7%80-%e3%82%90/