Data Sheet

NRF51822 Eval Kit User Manual Waveshare

Figure 1: How to erase all

b) Open Blinky Project in Keil μVision under the path of <KEIL path>

\ARM\Device\Nordic\nRF51822\Board\PCA10001\blinky_example\arm\blinky.uvproj

or ...\code\BLE4.0\nrf51822\Board\pca10001\blinky_example\arm\blinky.uvproj

c) Click the icon Build or press the fast key, F7, to compile Blinkly project.

d) Click the icon Download. Run the Blinky_example after program download finished.

Then, you can see the LED start to flick.

Figure 2: How to use KEIL to download programs

Notice:

Sometimes, Jlink firmware may fail to cooperate with Nordic SDK, causing KEIL cannot

download programs.

In this case, please select nRF51 Programming at the bottom left of nRFgo Studio, and

click the option Program Application to start programming.