.. zephyr:code-sample-category:: usb :name: USB These samples demonstrate the use of USB support in Zephyr RTOS. Most of the USB support samples can be found under :zephyr_file:`samples/subsys/usb` in the Zephyr project tree. However, there are a few functions whose samples are located in different directories. These are: * Bluetooth HCI USB transport layer implementation is covered by :zephyr:code-sample:`bluetooth_hci_usb` * USB CDC ECM and USB CDC NCM implementations are covered by the networking samples :zephyr:code-sample:`zperf` or :zephyr:code-sample:`sockets-http-server` .. zephyr:code-sample-listing:: :categories: usb :live-search: