Nordic nRF52840DK
Blecon Pre-built Firmware
The latest release of pre-built Blecon firmware for this board is available here: nrf52840dk-2.1.0.tar.bz2
Unpack the above archive and follow the instructions below to flash the firmware on your development board.
Flashing Prebuilt Firmware
Requirements
Computer with Windows, macOS, or Linux
USB-C cable to connect your nRF54L15DK
Steps
Connect your nRF52840DK 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 "nRF52840 DK" 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
Connecting to UART
The nRF52840DK 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 asCOMxx (JLink CDC UART Port)On Mac this interface is usually named
/dev/tty.usbmodemXXXXXXXXXXX.On Linux this port is usually named
/dev/ttyACMx.
Develop With this Board in Zephyr
You will first need to set up Zephyr and initialise a workspace for the Blecon Device SDK
The board target for the nRF54L15DK is: nrf52840dk/nrf52840
Sample command for building and flashing the Devboard Demo Application:
Change the source path option (-s) to build the other examples.
Button and LED mappings
Blecon Devboard Demo
Refer to the Devboard Demo App Getting Started Guide for instructions about how to use this application.
ping
BUTTON 0
announce
BUTTON 1
Blecon status
LED0
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