https://devzone.nordicsemi.com/f/nordic-q-a/44792/nrf52840-pca10056Hi: I want test the bluetooth function of nrf52840 pca10056. but After compiling the ble_app_uart test program, use nRF Connect tool connect to PC. display &quot;connected&quot;. but how to Transmit data. THANK YOU!!en-USTelligent Community 13Wed, 13 Mar 2019 13:29:44 GMThttps://devzone.nordicsemi.com/thread/175952?ContentTypeID=1Wed, 13 Mar 2019 13:29:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c6763ef9-daa0-4483-885c-23e6bfe1cc50Bj&#248;rn Kvaale<p>See the testing guidelines provided <a href="https://www.nordicsemi.com/DocLib/Content/SDK_Doc/nRF5_SDK/v15-2-0/ble_sdk_app_nus_eval">here</a>&nbsp;if you have not done that yet.</p><div style="clear:both;"></div>