nRF5 SDK and nRF51 series confusionhttps://devzone.nordicsemi.com/f/nordic-q-a/52939/nrf5-sdk-and-nrf51-series-confusionHello. I have an nRF51822 chip and I&#39;m trying to figure out how the whole nRF5 sdk works. I am using the Segger Embedded Studio. I downloaded the last nRF5 SDK v15.3.0 but I saw there&#39;s no support for nRF51 series at all. Luckily I found someen-USTelligent Community 13Sun, 06 Oct 2019 11:17:25 GMTRE: nRF5 SDK and nRF51 series confusionhttps://devzone.nordicsemi.com/thread/213514?ContentTypeID=1Sun, 06 Oct 2019 11:17:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3b3b51b7-1092-4346-a160-83c496d97a2dGeorge555<p>Thanks for the answer!</p> <p>It just seems a little bit strange to me. In my opinion they should be included in every SDK relase.</p><div style="clear:both;"></div>RE: nRF5 SDK and nRF51 series confusionhttps://devzone.nordicsemi.com/thread/213507?ContentTypeID=1Sun, 06 Oct 2019 09:59:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c4ab417-832e-42d8-8f01-ea1a658b123fTurbo J<p>Look in the Infocenter: NRF51 series-&gt;Compatibility Matrix-&gt;SDKs and Softdevices.</p> <p>The SDK12.3 is the latest that supports NRF51x chips.</p><div style="clear:both;"></div>