Ebyte NB124E User Manual page 23

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（2） 、 Ali Cloud
It supports the use of Ali Cloud's "three elements" to directly connect to the server. To obtain the "three
elements", as shown in the figure (only for demonstration cases, users need to use self-built parameters to connect):
Configure Topic for communication test:
Configuration theme description:
Select the corresponding product, click "Custom Topic" under the Topic class list (for details, please refer to
the Alibaba Cloud documentation), click "Define Topic Class", configure the name as 1234 and grant publish and
subscribe permissions (for realizing data return pass).
Configure the device connection parameters, as shown in the figure below (the left picture is the host computer,
and the right picture is the webpage configuration):
{
"ProductKey": "a1GlhuTU1yN",
"DeviceName": "DEV04",
"DeviceSecret": "xxxxxxxxxxxxxxxxxxxxxxxxxx"
}
Ali cloud server address：ProductKey.iot-as-mqtt.cn-shanghai.aliyuncs.com:1883
Subscribe and publish Topic：/a1GlhuTU1yN/DEV04/user/1234
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NB124E_User Manual