https://devzone.nordicsemi.com/f/nordic-q-a/49709/how-to-change-uart-pinsstatic void uart_init(void) { uint32_t err_code; const app_uart_comm_params_t comm_params = { RX_PIN_NUMBER, TX_PIN_NUMBER, RTS_PIN_NUMBER, CTS_PIN_NUMBER, APP_UART_FLOW_CONTROL_ENABLED, false, UART_BAUDRATE_BAUDRATE_Baud115200 }; APP_UART_FIFO_INITen-USTelligent Community 13Fri, 12 Jul 2019 13:03:02 GMThttps://devzone.nordicsemi.com/thread/198179?ContentTypeID=1Fri, 12 Jul 2019 13:03:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7c5d2490-edca-4f3b-b5d7-a32a7cffa284&#216;yvind<p>Hello,&nbsp;<br /><br />The technical support team in Nordic Semiconductor are currently entering a period with summer vacations, delayed answers must be expected.</p> <hr /> <p>Have you looked at our <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.3.0/uart_example.html?cp=5_1_4_6_48">UART example</a>, <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.3.0/hardware_driver_uart.html?cp=5_1_2_0_19">drivers</a> and <a href="https://devzone.nordicsemi.com/f/nordic-q-a/15913/can-i-change-rx-tx-pin-of-uart">DevZone cases</a>?<br /><br />You could also try searching via e.g. Google using<br /><pre class="ui-code" data-mode="text">site:devzone.nordicsemi.com configure uart pins</pre></p> <p>Kind regards,<br />Øyvind</p><div style="clear:both;"></div>