https://devzone.nordicsemi.com/f/nordic-q-a/94120/why-led-light-doesn-t-blink-when-powering-onHello! I am a total newb but trying to self-learn embedded programming / electronics. I recently received a nRF52840 development kit and followed instructions at https://nordicsemi.com/start52840dk for connecting / testing. I first tried to connecten-USTelligent Community 13Tue, 22 Nov 2022 03:15:42 GMThttps://devzone.nordicsemi.com/thread/396786?ContentTypeID=1Tue, 22 Nov 2022 03:15:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:de3e53db-a145-42a8-8ba1-ef76d3815777olalonde<p>Oh boy, that wasn&#39;t my brightest moment. I just realized that I was using the wrong switch. I was playing with the &quot;nRF power source&quot; switch and completely missed the &quot;Power ON OFF&quot; switch.</p><div style="clear:both;"></div>