Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller Interface ...

The Bluetooth Host Controller Interface (HCI) defines the communication between the Bluetooth IC and the host system, as the name suggests. It is therefore not directly accessible over-the-air ...

"These debug commands are part of Espressif’s implementation of the HCI (Host Controller Interface) protocol used in Bluetooth technology. This protocol is used internally in a product to ...

This is both a physical and logical interface that is non-timing dependent. The communication protocol across the HCI is defined in the Bluetooth specification, which allows for fairly easy ...