Press the button on the Aqara hub 3 times (quick presses), you’ll hear some Chinese.
Then press the little button on the sensor, success will prompt another Chinese sentence that begins with “Bei …”
A quick restart of Hass and they’re connected
Tested with the Mini temperature sensor, and the window sensor.
I’ll try tomorrow with the Smoke Detector.
edit This method works with the Smoke detector too.
Does someone know Chinese?
Unsurprisingly, there is a different message when the connection fails but I didn’t catch it.
This proved very useful today when I couldn’t reconnect to the app for some reason to add them that way.