I browsed the Infocenter and found 'lots' of information and the instruction to install nRF Connect so I did. I hadn't decided which DK I needed to do what I wanted so when NCS asked I skipped the hardware. I now have NCS installed off the root of D:\ncs but when I tried to add the nRF52840-Dongle (I have that hardware) there doesn't appear be any instructions on adding hardware. I installed nRF Connect SDK v1.142 which is the version that will work with Verizon firmware for the nRF9160 but where is the nRF52840 SDK? I downloaded the nRF52840 SDK but what do I do with it? How do I add Hardware?
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FYI: It appears I need the nRF9160-DK to work with the nRF9160 since there is no access to anything in the nRF9160 on the Thingy:91 so I ordered the nRF9160-DK



