????? ???????? ???? ??? ?????????? ???? ???? Simple ! ??? ????? ???? ??????? ?????????? ????? ?????? ?????????????????????. ????????? , ????? ?????? ?????????? ???? ????? ???? Arduino ??????? ! ????? ????? ??????? ??? ??????/???????? ???????????? ????????? ????? ??? ???? Arduino ????? ??????? ??????? ????? ?????? LED ?????? ?????? ??