u-Blox EVK-NORA-B20

Blecon Pre-built Firmware

The latest release of pre-built Blecon firmware for this board is available here: ubx_evknorab2-2.1.0.tar.bz2

Unpack the above archive and follow the instructions below to flash the firmware on your development board.

Connect your EVK-NORA-B20 to your computer with the USB-C cable
Start the nRF Connect for Desktop app and select the Programmer tool.
Click the Blue "Select Device" dropdown in the top-left of the Programmer tool and select the "J-Link" device
In the "File" section of the sidebar, click the "Add File" button and select "Browse...", then select the firmware you wish to flash.
In the "Device" section of the sidebar, click the "Erase and write" button to program the firmware

The EVK-NORA-B20 J-Link USB interface exposes a virtual serial port to interface with the module's UART.

On Windows this interface is usually named COMxx. In Windows Device Manager the port will appear as COMxx (JLink CDC UART Port)
On Mac this interface is usually named /dev/tty.usbmodemXXXXXXXXXXX.
On Linux this port is usually named /dev/ttyACMx.

You will first need to set up Zephyr and initialise a workspace for the Blecon Device SDK

The board target for the EVK-NORA-B20 is: ubx_evknorab2/nrf54l15/cpuapp

Sample command for building and flashing the Devboard Demo Application:

west build -p -b ubx_evknorab2/nrf54l15/cpuapp -s blecon-device-sdk/examples/zephyr/devboard-demo
west flash

Change the source path option (-s) to build the other examples.

Refer to the Devboard Demo App Getting Started Guide for instructions about how to use this application.

Demo App Function

Board Button

ping

BUTTON 1

announce

BUTTON 2

Demo App Function

Board LED

Blecon status

RGB LED (Red)

Last updated 3 months ago