Hi, I found that hci_usb sample may not work correctly with nrf5340pdk from the following q&a. It means that nrf5340dk support hci_usb sample?
By the way, from the above link, the hci_uart mode works when download the correct merged.hex to nrf5340pdk board, so it means the nrf5340(p)dk support hci_uart?
(Because I tried to run hci_uart on nrf5340dk, and got a relied that nrf5340 only support hci_rpmsg. )