CBC 5V 마스터 슬레이브 겸용 블루투스모듈 HC-05

AT 명령어

* KEY 핀을 VCC에 연결하여야 AT 커맨드모드로 진입합니다.
* AT커맨드 모드는 38400BPS, 데이터비트8, 스톱비트1, No parity, no flow control 을 사용합니다(전원을 새로 인가하지 않았을 경우는 9600bps로 동작합니다).
* AT커맨드 및 그 응답의 끝은 반드시 \\\\\\\\\\r\\\\으로 끝납니다.

* 통신 테스트 방법
송신 : AT\\\\\\\\\\r\\\\
수신 : OK\\\\\\\\\\r\\\\

* 현재 ROLE(마스터1/슬레이브0) 확인 및 변경 방법
송신 : AT+ROLE?\\\\\\\\\\r\\\\
수신 : +ROLE:0\\\\\\\\\\r\\\\ 슬레이브모드임
송신 : AT+ROLE=1\\\\\\\\\\r\\\\
수신 : OK\\\\\\\\\\r\\\\ 마스터모드로 변경됨

* Baud rate 확인 및 변경 방법
송신 : AT+UART?\\\\\\\\\\r\\\\
수신 : +UART:9600,0,0\\\\\\\\\\r\\\\
송신 : AT+UART=19200,0,0\\\\\\\\\\r\\\\
수신 : OK\\\\\\\\\\r\\\\

* 블루투스 디바이스명 변경
Sent : AT+NAME=devicename\\\\\\\\\\r\\\\
receive : OK\\\\\\\\\\r\\\\

* 암호 변경
Sent : AT+PSWD=1234\\\\\\\\\\r\\\\
receive : OK\\\\\\\\\\r\\\\