analog pin as a wake-up pin.https://devzone.nordicsemi.com/f/nordic-q-a/40755/analog-pin-as-a-wake-up-pinNow, i have nRF51-DK. now, i&#39;m use one ADC pin in coding and one wake-up pin for device wake-up. but i want to remove that wake-up button. and need to wake up device by analog pin. like, when arrive specific voltage(2.3V or grater) on analog pinen-USTelligent Community 13Wed, 21 Nov 2018 12:12:08 GMTRE: analog pin as a wake-up pin.https://devzone.nordicsemi.com/thread/158388?ContentTypeID=1Wed, 21 Nov 2018 12:12:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:44987227-a255-4872-a84a-18842d98b398J&#248;rgen Holmefjord<p>Hi,</p> <p>Yes, you can use the LPCOMP peripheral to wakeup from system off mode. See <a href="http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf#page=169">chapter 32</a>&nbsp;and <a href="http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf#page=44">chapter 12.1.5</a> in the nRF51 Reference manual.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>