Receive notification about state changes

[Stephan (Stephan Lendl)]

I think this should help you with your question:

Bluetooth Specification questions

Hi Henry, We’re regularly advertising an iBeacon with the UUID of our keyturner service. The iBeacon also contains 4 bytes for major/minor (which are filled with the nuki id in our case) and the rssi value. There comes the magic. Normally, the rssi value within the iBeacon data is -60 (0xC4). If the status of the smart lock changes in any way, that would trigger a new entry in the activity log, the rssi value within the iBeacon changes to -59 (0xC5) and that triggers the bridge. Once the …