https://devzone.nordicsemi.com/f/nordic-q-a/44906/unable-to-receive-data-from-raspberry-pi-to-nrf52-dk-over-uart-ttys0I am trying to send some data from RPi , And I am using the example of NRf Uart APP. printf(&quot;\r\nUART example started.\r\n&quot;); while (true) { uint8_t cr; // printf(&quot; \r\n entering loop!\r\n&quot;); //app_uart_flush(); while (app_uart_get(&amp;cr) != NRF_SUCCESSen-USTelligent Community 13Thu, 21 Mar 2019 13:58:14 GMThttps://devzone.nordicsemi.com/thread/177604?ContentTypeID=1Thu, 21 Mar 2019 13:58:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:036fa2f6-2f26-4230-95c8-0e690c656c90Jared<p>Hi,</p> <p>Could explain your setup more in detail?&nbsp;</p> <ul> <li>How is the DK connected to the Raspberry pi? Which port are you using? The nRF USB port on the DK?</li> <li>Is both terminals pictured in the screenshot from the Raspberry pi?</li> </ul> <p>Jared&nbsp;</p><div style="clear:both;"></div>