https://devzone.nordicsemi.com/f/nordic-q-a/22580/working-with-two-uarts-in-nrf52dkHi everyone! I want to work with two UART interfaces in my nRF52DK, in one hand, I must receive data sended by one cable which converts USB to serial, for this I use this code, and the reception is OK, but I have problems to send data to other deviceen-USTelligent Community 13Wed, 07 Jun 2017 11:42:20 GMThttps://devzone.nordicsemi.com/thread/88829?ContentTypeID=1Wed, 07 Jun 2017 11:42:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cdc83dc3-568f-40ec-b66a-602c57cedccdFormerMember<p>When switching between two UART instances, the app_uart_init() function should be used directly, instead of using the macro APP_UART_FIFO_INIT(), see the thread in <a href="https://devzone.nordicsemi.com/question/114384/how-to-properly-switch-between-uart-pins-and-baud-rates-with-nrf52-uarte/?answer=114413#post-id-114413">this</a> answer.</p><div style="clear:both;"></div>