Which example in the nRF52 SDK to use?

[morerook]

I am using the nRF52 DK, in the 12.3 SDK I see two different hex files in the examples, 10040 and 10032, which one should I use?

[Knut Auvor Grythe]

The PCA and nRF numbers don't match like that. The nRF52832 is PCA10040, and the nRF52840 PCA10056.