Setting--> Devices & Services --> Integrations --> Add Integration --> Search for MQTT --> Click to configure information such as domain names and ports.
mqtt broker: mqtt001.tumblevd.com
Port:6000
Username:your email
Password:your password
(If it's a quick login via Apple or Google and no password has been set, the default password is "semmeter")
Copy the configuration code to configure.yaml and replace all the SN code {Display the SN code in the device list.}
1:Set the IP address, port, account number and password of your MQTT server for the SEMMETER device.
2:Configure your Home Assistant to connect to your server.