나가는 직렬 데이터의 전송이 완료 될 때까지 기다립니다.
flush() inherits from the Stream utility class.
Arduino Mega only:
※ 주의 및 경고:
Serial functions are not only used for the communication between an Arduino board and Serial Monitor of Arduino IDE but also used for the communication between:
- An Arduino board and other Arduino board
- An Arduino board and other sensors/devices
- An Arduino board and computer (any Serial software on computer)