ST STM32Cube Quick Start Manual page 15

Compile and download BVLCentral application on one unit and
1
BVLPeripheral application on the other (on P-NUCLEO-WB55 move JP1
on USB STL, on STM32WB5MM-DK move JP2 on USB STL)
Move JP1 on P-NUCLEO-WB55 or JP2 on STM32WB5MM-
2
DK from USB STL to USB MCU.
Plug a micro-USB cable into USB_USER
Both units are recognized as
3
USB Microphone by Windows.
In Audacity set the default audio settings; open Edit/Preferences and select quality
4
tab, choose 16 kHz as sampling frequency and 16-bit sample format. If you want to
hear the audio while recording it, open Edit/Preferences, select Recording tab and
check "Software playthrough of input". Now select the peripheral or central unit and
click record *
Press user button 1 on the board to START
streaming, press again to STOP it. Both units can
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stream at the same time.
Audacity records audio coming from the
6
selected microphone.
FP-AUD-BVLINKWB1. Step by step setup
Full-Duplex between two STM32WB demo setup
*
In Windows 10, if an error occurs,
please delete the audio driver from
device manager and unplug and re-
plug the usb cable from Nucleo board 15