Receive notification about state changes

[mapero (Jochen Scheib)]

Hi,

thanks for the great ble gatt documentation, it is really outstanding.
What I did not found is away to get notified about state changes of the lock. Currently the only way is to poll the keyturner state from the lock, but i guess this will drain the battery quite fast depending on the interval. Can the lock somehow advertise state changes or similar?

How does the webhooks of the bridge work? Does the bridge poll the state?

Thanks.

Stay healthy,
Regards
Jochen

[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 …

[mapero (Jochen Scheib)]

Thank you. Nice solution, should be part of the documentation