I've written up a note on programming external nRF51822 boards (like the RedBearLab Nano) using the SWD interface of the nRF51-DK.
http://electronut.in/nrf51-dk-external-programming/
I've written up a note on programming external nRF51822 boards (like the RedBearLab Nano) using the SWD interface of the nRF51-DK.
http://electronut.in/nrf51-dk-external-programming/