How to Use Bluetooth to Track Your Presence

There's a great little app called Room Assistant, which sends your presence over mosquito slash MQTT. It does require that you have either Raspberry Pi or another computer running in each room that has Bluetooth enabled. So it can be a bit cumbersome to set up and get a bit expensive if you've only got one Raspberry Pi but there is though you can go to that level if you want to. If my phone is in the office, then turn on the office lights, or if the phone moves into the bedroom, turn on the bedroom lights.