https://devzone.nordicsemi.com/f/nordic-q-a/110722/creating-application-from-a-sampleI am using nRF Connect from inside of CodeVS IDE. I am creating a new application by Copying a Sample. I have successfully built and flashed &quot;Peripheral_Uart&quot; example The DK flashes LED1, Lights LED2 when it is connected to a iOS app But I amen-USTelligent Community 13Tue, 30 Apr 2024 12:22:01 GMThttps://devzone.nordicsemi.com/thread/481274?ContentTypeID=1Tue, 30 Apr 2024 12:22:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:68f33697-c543-43e0-a32e-1da398add36fEinar Thorsrud<p>Hi,</p> [quote user=""]<p>What sample should I use to communicate UART data between the nRF application and an iOS application?</p> <p>I have been able to successfully build the <strong>central_uart</strong> project and flash the device.</p>[/quote] <p>To communicate with a phone, you shoud use the <a href="https://docs.nordicsemi.com/bundle/ncs-2.6.1/page/nrf/samples/bluetooth/peripheral_uart/README.html"><em>peripheral</em> UART sample</a>.</p> <p>If you have any further questions, please check the log and share the output as well as let me know which board you are using.</p><div style="clear:both;"></div>