The DK add-on contains all the hardware necessary for user interaction, including batteries.
Note: The Smart Remote 3 DK add-on rev 1.2 and beyond is compatible with both nRF51 and nRF52 DKs.
For using this add-on with nRF51 DK, switch SW3 must be set in the position
nRF51.
Figure 1. Smart Remote 3 DK add-on
