https://devzone.nordicsemi.com/f/nordic-q-a/93419/i-can-t-control-the-nrf9160-with-an-external-mcuI connected it to an external mcu as shown below. After downloading serial lte modem to nrf9160, at command is sent, but it does not respond. Connect only 3 pins for communication with external MCU (tx, rx, gnd) rx ------ p0.20 tx ------- p0.19en-USTelligent Community 13Wed, 02 Nov 2022 08:48:55 GMThttps://devzone.nordicsemi.com/thread/393582?ContentTypeID=1Wed, 02 Nov 2022 08:48:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:71d91aec-33ac-4216-94bd-748744db28caHakon<p>Great. Would you mind sharing the solution with the community?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/393557?ContentTypeID=1Wed, 02 Nov 2022 02:55:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9f518629-5958-4bb3-9ce6-26bd0fa23ae7heavenbound<p>I solved this one. thank you.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/393506?ContentTypeID=1Tue, 01 Nov 2022 14:55:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4c4c614e-562d-4bb4-a068-1f85b352459aHakon<p>Hello,</p> <p>can you probe the tx and rx pins and see if there is any activity at all?</p><div style="clear:both;"></div>