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 ...

It plugs into the USB port to support Bluetooth mice, keyboards and other Bluetooth devices. Also called a "Bluetooth dongle." See dongle. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other ...

A USB-based adapter for Ethernet, Bluetooth or some other wireless technology. Functioning as the base station's transmitter/receiver (transceiver), the USB plug is attached to the unit ...