nRF Toolbox source code
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Latest commit 5eb385c Jun 19, 2015

nRF Toolbox source code for release

The nRF Toolbox is a container app that stores your Nordic Semiconductor apps for Bluetooth Smart in one location.

It contains applications demonstrating Bluetooth Smart profiles:

  • Heart Rate Monitor,
  • Proximity Monitor,
  • Nordic UART Monitor,
  • Glucose Monitor,
  • Device Firmware Update.(Only on github)
  • Blood Pressure Monitor.

Device Firmware Update (DFU)

The DFU profile allows you to update the application, bootloader and/or the Soft Device image over-the-air (OTA). It is compatible with Nordic Semiconductor nRF51822, nRF51422 devices that have the S110 SoftDevice and bootloader enabled.

The DFU has the following features:

  • Scans for devices that have DFU service,
  • Uploads the selected firmware in Zip format. See nRF-Utility.
  • Includes pre-installed examples that consist of a blinky firmware.
  • Updates status

###DFU Settings: "save at" button - Choose a favorite location when downloading files from cloud service, for example OneDrive. "browse" button - Choose a firmware to update. The zip file should be packed by using nRF-Utility. "try example" - This function use blinky application as an example.

###Upload limitation The application sends 20-bytes size packets at a time.

###nRF-Utility DFU implementation on wp only supports valid zip file generated by using nRF-Utility. The tool will generate initial package and meta data of the uploaded firmware. The tool is shipped together with Master Control Pnel for pc. Download -> The documentation of this tool is available here. nRF-Utility

##Known issue

  • Windows Phone OS 8.1 has problem with service change indication, kindly waiting for update from Microsoft.


  • Requires Windows Phone 8.1 or newer.
  • Tested on Lumia 930, Lumia 635