That interface doesn’t have to be special, and [Dakhnod] is here to show us that it can be done with an ESP32 microcontroller through its USB interface ... s made a Bluetooth dongle in this ...

An Arduino mini pro provides the brains. A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemad ...

The Asus USB Adapter with Bluetooth features a compact ... The Kretech Wireless Mini Bluetooth adapter is another option worth considering if you want to create a cable-free connection between ...