https://devzone.nordicsemi.com/f/nordic-q-a/41208/sdk-15-2-nrf_log-via-uarte-with-the-regular-uartHi. So I&#39;m trying to configure my SW to use two uarts (as I&#39;ve understood that uarte and uart are separate modules that can be used at the same time). As the app_uart seems to follow same configuration as NRF uart logging, I&#39;m using the uart0 viaen-USTelligent Community 13Tue, 04 Dec 2018 16:18:55 GMThttps://devzone.nordicsemi.com/thread/160247?ContentTypeID=1Tue, 04 Dec 2018 16:18:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d0d54cdc-187a-4655-9b64-0e286d75a602Jakub Rzeszutko<p>Hi,</p> <p>You cannot use the UART and UARTE at the same time as long as these are not different instances.</p> <p>It is possible only with the chip nrf52840 - it has UART0/UARTE0 and UARTE1.</p><div style="clear:both;"></div>