https://devzone.nordicsemi.com/f/nordic-q-a/67300/application-is-not-running-on-external-powerHello, I am running an application on nrf52840DK. It is using uart service to send a sensor data through BLE to Uart servic on smartphone. I want to measure the current consumption of application but it seems that the application is not running onen-USTelligent Community 13Mon, 19 Oct 2020 22:00:44 GMThttps://devzone.nordicsemi.com/thread/275723?ContentTypeID=1Mon, 19 Oct 2020 22:00:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cf5d4355-06d5-44ec-9874-fcf8643802a9Sigurd<p>What do you mean by &quot;external power&quot; ? Please describe how you have configured your nRF52840 DK.&nbsp;Hardware description of the nRF52840 DK can be found <a href="https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/nrf52840_DK/hw_desc_intro.html">here</a>.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/275367?ContentTypeID=1Fri, 16 Oct 2020 12:54:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:441d2f0d-d1e0-467b-ad19-a4dbeb179db8karoun<p>When application start running the LED 1 on board start blinking. But with external power the device hanging(one led blink). other applications for example blinky is working fine with external power.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/275353?ContentTypeID=1Fri, 16 Oct 2020 12:28:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b6f4b66e-7e3c-4f93-9ee7-2d45d38f5e9dawneil<p>How do you determine that the application is not running?</p> <p>Is the chip powered? Clearly, nothing will run if the chip has no power!</p><div style="clear:both;"></div>