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Dev kits supplied by 3rd party module makers [n00b]

Hi,

I attended a training session run by the BT SIG last week and met a helpful Nordic chap who, when I mused about how I was using a programming board to run a sensor and a radio, helpfully suggested that using an NRF52 I "just connect your sensor directly to the chip". This was revolutionary to me.

I've been loitering since then in an effort to find out how I might go about that, but not found the answer to this question which is bugging me.

I am a BTL n00b, but a programmer all the same - so all the code made sense to me - plus I've used the NRF240L01 in projects previously, and now have my hands on the NRF52 dev kit.

Just to get some proof of concepts out of the door I know I will be initially using 3rd party modules containing NRF52 chips, but am getting confused because these suppliers (inevitably) supply their own DKs.

Laird is a good example as is Rigado.

I've watched videos and read posts and it my understanding that the development process will go something to the tune of:

  1. programme the nrf52 to do something in the Nordic DK, using the s/w tools from the Nordic site
  2. add/remove my sensors and generally play and test in that environment
  3. flash that finalised "program" to the nrf52 chip on the module
  • Q1 Would I need to buy the module makers' DK?
  • Q2 IF NO, would I need to make sure the module exposed jtag connections?
  • Q3 OR Could I not flash the nrf52 over the air?

I have to imagine all the major steps in my head before I move in a certain direction, and this is blocking me. Thanks for any pointers.