https://study.zhyun.kim/posts/%EC%9D%B4%EC%8A%88-=-%EC%9A%B0%EB%B6%84%ED%88%AC-%EC%84%9C%EB%B2%84-USB-%EC%84%A4%EC%B9%98-%EC%8B%9C-USB-%EA%BD%82%EB%8A%94-%EC%9C%84%EC%B9%98/