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