nRF51 SDK v9.0.0
Before proceeding with the instructions described here, follow the steps in section 3 (Getting started) in the nRF51 Development Kit User Guide .
To test the development kit setup, we recommend that you use the Blinky Example . The steps that are described in Running a first example will walk you through testing your setup with the Blinky example.
After testing your setup, you should program a SoftDevice and run an example that uses the SoftDevice.
Running examples that use a SoftDevice