NINA-B3 series - System integration manual
UBX-17056748 - R13 Software Page 16 of 72
C1-Public
2 Software
NINA-B3 series modules can be used either with the pre-flashed u-connectXpress software, or as an
open CPU module in which you can run your own application developed with the Nordic SDK
development environment inside the NINA-B3 module.
The software on the NINA-B3 module contains the following parts:
• SoftDevice S140 is a Bluetooth® Low Energy (LE) central and peripheral protocol stack solution
• Optional bootloader
• Application
Figure 2: NINA-B3 software structure and available software options
2.1 u-connectXpress software
NINA-B31 series modules are delivered with the u-blox secure boot loader and pre-flashed
u-connectXpress software.
The u-connectXpress software enables use of the Bluetooth Low Energy functions, controlled by
AT commands over the UART interface. Some of the supported features include the u-blox Low
Energy Serial Port Service, GATT server and client, central and peripheral roles, and multidrop
connections.
For information about the features, capabilities, and use of u-connectXpress software, see the
u-connectXpress user guide [16] and u-connectXpress AT commands manual [4].
The u-connectXpress software on NINA-B3 is also (as of version 3.0.0) Bluetooth-mesh enabled. For
more information about the mesh software, see the Implementing Bluetooth mesh with
u-connectXpress software application note [24].
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