Ebyte E90-DTU User Manual page 28

Chengdu Ebyte Electronic Technology Co.,Ltd.
To configure a topic for communication testing:
Configuration theme description:
Select the corresponding product, go to "Custom Topic" under the Topic class list (for details, please refer to the
Alibaba Cloud documentation), click "Define Topic Class", set the name to 1234 and grant publish and subscribe
permissions (for data return pass).
Configure the device connection parameters, as shown in the following figure (the picture on the left is the host
computer, and the picture on the right is the web page configuration):
{
"ProductKey": "a1GlhuTU1yN",
"DeviceName": "DEV04",
"DeviceSecret": "xxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
Alibaba Cloud server address: ProductKey.iot-as-mqtt.cn-shanghai.aliyuncs.com:1883
Topic for subscription and publication: /a1GlhuTU1yN/DEV04/user/1234
Alibaba Cloud MQTT platform communication test:
Copyright ©2012–2022，Chengdu Ebyte Electronic Technology Co.,Ltd.
E90-DTU(433C30E)-V2.0 User Manual
28