https://devzone.nordicsemi.com/f/nordic-q-a/86381/communication-between-nrf52-and-nrf91-on-the-nrf91dkHello! I wanted to know if there is a way where I can just send a simple string from the nrf52 to the nrf91 without using any complicated examples, I have been trying to modify the lte_gateway example, but I couldn&#39;t understand it due to the complexityen-USTelligent Community 13Wed, 30 Mar 2022 13:31:05 GMThttps://devzone.nordicsemi.com/thread/360844?ContentTypeID=1Wed, 30 Mar 2022 13:31:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cbb09563-43cf-45ba-8a3f-d08051de67c6&#216;yvind<p>Hello,&nbsp;<br /><br />We have <a href="https://www.nordicsemi.com/Support/Nordic-Developer-Academy">just launched our Nordic Developer Academy</a>.</p> <blockquote> <p><em>DevAcademy is Nordic&#39;s interactive online learning platform. It focuses on equipping developers with the technical information and the know-how to build tomorrow’s cutting-edge wireless products using Nordic Semiconductor solutions.</em></p> </blockquote> <p>That said,&nbsp;you will need to configure UART on both the nRF52840 and the nRF9160, and in <a href="https://infocenter.nordicsemi.com/topic/ug_nrf91_dk/UG/nrf91_DK/mcu_virtual_com_port.html">regards to the COM ports</a>&nbsp;and the <a href="https://infocenter.nordicsemi.com/topic/ug_nrf91_dk/UG/nrf91_DK/if_connector.html">GPIO Interface</a>.&nbsp;There have been similar questions, e.g. <a href="https://devzone.nordicsemi.com/f/nordic-q-a/86282/nrf9160-uart-communication-to-external-mcu">here</a>, and&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/78514/how-to-interface-external-mcu-host-viauart-interface-with-nrf9160-with-only-3-pins-from-uart-rd-tx-gnd">here</a>.</p> <p>Kind regards,<br />Øyvind</p><div style="clear:both;"></div>