How can I use my cars Bluetooth as a presence device?

[nickrout]

[monitor] Reliable, Multi-User, Distributed Bluetooth Occupancy/Presence Detection

monitor TL;DR: Bluetooth-based passive presence detection of beacons, cell phones, and any other bluetooth device. The system is useful for mqtt-based home automation. Script here. Read the README here. Comparing presence.sh and monitor.sh Thank you to everyone for helping test and provide input in the original thread. I am very pleased to announce a major major update that many of you already know about… monitor.sh as an alternative to, and in many ways a dramatic improvement over, presence.…