The plan was to utilise ESP32 hardware with the Espressif HFP stack to do all the Bluetooth heavy lifting. [Jouke] did find out the hard way that this is not a commonly-trodden path in hackerland ...
GoogleFindMyTools is a re-implementation of Google's Find My Device network. It works with Android devices and ESP32-based ...
a set of commands allowing a host computer to talk to a Bluetooth interface. That interface doesn’t have to be special, and [Dakhnod] is here to show us that it can be done with an ESP32 ...