Which SDK version I can use for NRF51822 chip ?https://devzone.nordicsemi.com/f/nordic-q-a/59081/which-sdk-version-i-can-use-for-nrf51822-chipAt this time my project is at very beginning state, I am picking up right tools to start my project development. I have spent good amount of time to research about my issue but still not sure. That&#39;s why I plan to ask this question as per my current situationen-USTelligent Community 13Fri, 27 Mar 2020 00:27:07 GMTRE: Which SDK version I can use for NRF51822 chip ?https://devzone.nordicsemi.com/thread/241981?ContentTypeID=1Fri, 27 Mar 2020 00:27:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:148306cd-9cda-4f33-a6bb-39f6fe7248e0Bhupinder<p>Thanks <a href="https://devzone.nordicsemi.com/members/simonr">Simonr</a> !!!</p><div style="clear:both;"></div>RE: Which SDK version I can use for NRF51822 chip ?https://devzone.nordicsemi.com/thread/239878?ContentTypeID=1Mon, 16 Mar 2020 07:35:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8fda64ff-e733-4434-89f5-7af69eef96c8Simonr<p>Hi</p> <p>The latest SDK version supporting the nRF51 series chips is SDK v.12.3.0. The nRF51822 supports the following SoftDevices: S110, S120, and S130. You can also migrate the v.12.3.0 projects to newer SDK versions, but that is likely more hassle than it is worth.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>