wifi模式:
AT+CWMODE=1/r/n
连接wifi:
AT+CWJAP="HUAWEI","yupeng123"/r/n
MQTT参数配置:
AT+MQTTUSERCFG=0,1,"k12mlGt73K8.MQTT_RX|securemode=2\,signmethod=hmacsha256\,timestamp=1727597198637|","MQTT_RX&k12mlGt73K8","27887e1e85b0c0320c54c82624fb7da26c5d855915f5230995f5000eeaf06414",0,0,""/r/n
连接 MQTT Broker:
AT+MQTTCONN=0,"iot-06z00i84lri4k2q.mqtt.iothub.aliyuncs.com",1883,1/r/n
订阅Topic:
AT+MQTTSUB=0,"/k12mlGt73K8/MQTT_RX/user/RX",0/r/n
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