Ebyte NB124E User Manual page 22

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（1） 、 To select the standard MQTT3.1.1, Baidu Cloud, OneNET, and Huawei Cloud configurations, you
can refer to the following table to fill in the parameters:
Parameters
Device name
（Client ID）
User Name
（Device name）
Password
（Device secret）
PrductKey
Publish topic
Subscribe Topic
【Note】
 Dynamic generation of topic address can use the same parameters to achieve the effect of data return, for
example: OneNET publishes and subscribes to the same topic address: 123456, and data return can be achieved;
 Due to the adjustment of the MQTT platform (Baidu Cloud, Huawei Cloud, OneNET), the connection
cannot be made after filling in the parameters, and the platform rules shall prevail;
Take the standard MQTT3.1.1 parameter filling as an example, as shown in the figure below:
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Standard
Baidu Cloud
MQTT3.3.1
Client ID DeviceKey
IoTCoreId/DeviceKe
User Name
Password DeviceSecret
Ali Cloud parameters, can be left blank
MQTT publish topic address (dynamically generated by
OneNET)
MQTT Subscribe Topic Address (dynamically generated by
OneNET)
OneNET
Device ID
Product ID
y
Device name/User
Password
NB124E_User Manual