Raspberry Pi Bluetooth Configuration & Troubleshooting
On the Raspberry Pi 3 and newer, the integrated Bluetooth module communicates with the SoC via a UART interface using the Host Controller Interface (HCI) protocol.
On the Raspberry Pi 3 and newer, the integrated Bluetooth module communicates with the SoC via a UART interface using the Host Controller Interface (HCI) protocol.
Notes on using serial consoles, managing USB-serial devices, and troubleshooting connectivity issues.
usb-to-ttl-serial-adapters}
usb-to-serial-bridge-chips}