https://devzone.nordicsemi.com/f/nordic-q-a/74947/central-peripheral-nrf5340Hello all, I want to build a two-directional communication chain with several nrf5340-boards. Therefore, every board needs to be able to receive, to analyse and to send messages. However, if I understood correctly, I do need the nRF5 SDK to do soen-USTelligent Community 13Mon, 10 May 2021 13:11:13 GMThttps://devzone.nordicsemi.com/thread/308990?ContentTypeID=1Mon, 10 May 2021 13:11:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:387c9dc6-0a36-4e33-8b61-c2927c76021fSigurd<p>Hi,</p> <p>For nRF5340 we use <a href="https://www.nordicsemi.com/Software-and-tools/Software/nRF-Connect-SDK">nRF Connect SDK</a>&nbsp;. Documentation&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.5.1/nrf/index.html">here</a>. We have several examples/samples that might suit your use-case. See <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.5.1/nrf/samples.html">this link</a>.</p><div style="clear:both;"></div>