Get back your wa. then remove all connected devices. people may have hacked you using shared gadgets like laptop or pc A USB host shield which allows an Arduino board to communicate with a USB device such as a toetsenbord or a mouse 이게 편해요? 진짜 본인들이 사용해 보고 좋아서 https://iblog.iup.edu/gyyt/2016/06/07/all-about-burnie-burns/comment-page-5311/?replytocom=316909