Last week I posted about potentially using my fitbit Charge HR for presence, and was looking for some way to figure out its MAC address. Here are some ways to do it. BLE scan First make sure the tracker is not connected to your phone. The simplest way is to turn off bluetooth on the phone (or force-close the fitbit app). Once this is done, the tracker not connected to any host app, starts advertising using bluetooth low energy. Then from some linux host with BLE enabled adapter (in my case ra...
