https://devzone.nordicsemi.com/f/nordic-q-a/68263/nrf52820-comp-moduleHello, I would like to use a single COMP I/O pin to compare the pin voltage to multiple references during run-time. To do this, I was planning on initializing the COMP driver by using nrfx_comp_init and setting the appropriate reference voltageen-USTelligent Community 13Wed, 24 Feb 2021 15:51:34 GMThttps://devzone.nordicsemi.com/thread/296078?ContentTypeID=1Wed, 24 Feb 2021 15:51:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d10748b3-eae2-4007-a4e8-35bf96cc9267sangjkim<p>I was able to use the method above to get a rough estimate of what the battery voltage is.&nbsp; It is slow because I need to un-init -&gt; set new threshold -&gt; re-init and repeat the process as needed.&nbsp; But it works for my specific needs.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/295543?ContentTypeID=1Mon, 22 Feb 2021 11:05:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ebb81502-fd63-423c-9457-407321943117Hardik.Harpal<p>Did you able to do it?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/279961?ContentTypeID=1Fri, 13 Nov 2020 16:02:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f90fb2e5-4c77-4d3a-814e-e8bc43ed353csangjkim<p>Understood.&nbsp; Thank you for the feedback.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/279746?ContentTypeID=1Thu, 12 Nov 2020 13:43:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c7015695-f55e-4289-a164-9adf89d38ea8Einar Thorsrud<p>Hi,</p> <p>The approach makes sense. I&nbsp;cannot say how good it is or if it is good enough for you, but it is probably the <em>only</em> possible approach for measuring pin voltage using the nRF52820 without additional HW. If this is not good enough, then you need to use either a different nRF52 device which includes the SAADC peripheral, or use some other external ADC or similar.</p><div style="clear:both;"></div>