https://devzone.nordicsemi.com/f/nordic-q-a/54088/it-s-possible-to-turn-on-off-led-from-nrf52840-dongle-using-only-button-and-led-from-it-i-m-using-segger-embedded-studioIt&#39;s possible to turn on/off led from nrf52840 dongle, using only button and led from it? I&#39;m using SEGGER Embedded Studioen-USTelligent Community 13Thu, 07 Nov 2019 08:44:03 GMThttps://devzone.nordicsemi.com/thread/218979?ContentTypeID=1Thu, 07 Nov 2019 08:44:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:11fbd634-72da-4474-8073-085a165670a0Amanda Hsieh<p>Good to know you found the answer!</p> <p></p> <p>Cheers,&nbsp;</p> <p>Amanda&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/218976?ContentTypeID=1Thu, 07 Nov 2019 08:41:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2e5b0b0e-0ab6-4b94-9775-1ca263b87277redansRedans<p>Hy! Thanks! You understood perfectly! I found answer here: <a href="https://infocenter.nordicsemi.com/pdf/nRF52840_Dongle_User_Guide_v1.0.pdf">https://infocenter.nordicsemi.com/pdf/nRF52840_Dongle_User_Guide_v1.0.pdf</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/218958?ContentTypeID=1Thu, 07 Nov 2019 07:18:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0ed63303-d897-402a-8f4d-86e667f16ac2Amanda Hsieh<p>Hi,&nbsp;</p> <p></p> <p>Not sure I understand the question correctly or not. Do you mean that turn on/off&nbsp;<span>LED (</span><span>LD1</span><span>)</span> by&nbsp;the&nbsp;<span>user-configurable button (</span><span>SW1</span><span>) on nRF52840 dongle?&nbsp;</span></p> <p><span>If so, the answer is yes.&nbsp;</span></p> <p><span>Please correct me if I misunderstand the question.&nbsp;</span></p> <p></p> <p>-Amanda&nbsp;</p><div style="clear:both;"></div>