Ebyte NB183 User Manual page 22

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When using the MQTT function, the short link should be closed, otherwise the device will repeatedly connect to the
server. It is recommended to use a random port, as shown in the following figure:
(1) , select the standard MQTT3.1.1, Baidu Cloud, OneNET, Huawei Cloud configuration can refer to the following table
to fill in the parameters:
Parameter
Equipment name
（Client ID）
username（Device
name）
password（Device
secret）
PrductKey
Post topic
Subscribe to topics
【Note】
Dynamically generated topic addresses can use the same parameters to achieve the effect of data return, for example:
OneNET publishes and subscribes to the same topic address: 123456, which can achieve data return;
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 below:
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Standard
Baidu cloud
MQTT3.3.1
Client ID DeviceKey
User Name IoTCoreId/DeviceKey
Password DeviceSecret
Alibaba Cloud parameters, optional
MQTT publish topic address (dynamically generated by OneNET)
MQTT subscription topic address (dynamically generated by OneNET)
NB183S&NB183_User Manual
OneNET
Equipment ID
Product ID
Equipment name/User
Password
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