https://devzone.nordicsemi.com/f/nordic-q-a/54937/send-a-string-from-nrf52840-to-androidHello, I really need your help with my problem. I have a sparkfun nrf52840 mini which is the peripheral, using the code ble_app_uart, and a smartphone with a custom Android app, which is the central. I tried to send a string from peripheral toen-USTelligent Community 13Mon, 02 Dec 2019 08:28:20 GMThttps://devzone.nordicsemi.com/thread/222953?ContentTypeID=1Mon, 02 Dec 2019 08:28:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dba8a42a-c559-414c-ab62-4b4f07a00b2dKenneth<p>I recommend to get a nRF52840-DK so you may run the example &#39;as-is&#39; to verify you have everything working before you modify to a third party board. Also check out the Testing description:</p> <p><a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/ble_sdk_app_nus_eval.html?cp=6_1_4_2_2_25_2#project_uart_nus_eval_test">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/ble_sdk_app_nus_eval.html?cp=6_1_4_2_2_25_2#project_uart_nus_eval_test</a>&nbsp;</p><div style="clear:both;"></div>