Seems that there are 3rd party wireless controllers for PS4 that actally uses Bluetooth (both Classic and LE/Smart). It could be possible to support them via an ESP32-based bridge and/or a USB/UART Bluetooth module. Although the protocol for these controllers could be very similar to known controllers like official DS4 or 3rd party USB controllers, actual documentation for these controllers are virtually non-existent so it might need quite a bit of reverse-engineering to get started.
In addition the official DS4 could also be a target. I would expect it to be way more complex protocol-wise though.
Seems that there are 3rd party wireless controllers for PS4 that actally uses Bluetooth (both Classic and LE/Smart). It could be possible to support them via an ESP32-based bridge and/or a USB/UART Bluetooth module. Although the protocol for these controllers could be very similar to known controllers like official DS4 or 3rd party USB controllers, actual documentation for these controllers are virtually non-existent so it might need quite a bit of reverse-engineering to get started.
In addition the official DS4 could also be a target. I would expect it to be way more complex protocol-wise though.