I am looking for a light sensor so that I can automate my roller shutter.
Preferred would be a zigbee device. I know that all the motion sensors also have light sensors, but they are rather expensive and not optimal, if you only want to measure light/lux.
The only device that I found, that should fullfil my requests, is the Xiaomi Mijia Light Sensor:
Does someone have this running with OpenHAB?