Vehicle Presence Detection for OpenHAB
Specifically written to run on a Wemos D1 Mini Pro (although should run on any ESP8266 chip) and interface with OpenHAB home automation software. It will detect through a combination of RSSI signal strength and LWT state, whether your car is HOME or AWAY.
For details instructions on usage, please see the following site:
https://www.instructables.com/id/Vehicle-Presence-Detection/