MQTT AT命令_mqtt at指令

AT + MQTTUSERCFG：设置MQTT用户配置
AT + MQTTCLIENTID：设置MQTT客户端ID
AT + MQTTUSERNAME：设置MQTT用户名
AT + MQTTPASSWORD：设置MQTT密码
AT + MQTTCONNCFG：设置MQTT连接的配置
AT + MQTTCONN：连接到MQTT Broker
AT + MQTTPUB：以字符串形式发布MQTT数据
AT + MQTTPUBRAW：以二进制形式发布MQTT消息
AT + MQTTSUB：订阅MQTT主题
AT + MQTTUNSUB：退订MQTT主题
AT + MQTTCLEAN：关闭MQTT连接
MQTT错误代码
MQTT笔记