https://devzone.nordicsemi.com/f/nordic-q-a/51850/saadc-negative-valuenrf_drv_saadc_sample_convert get a value which is a negative number, How to understand its meaning? Thanks!en-USTelligent Community 13Wed, 20 Apr 2022 06:53:43 GMThttps://devzone.nordicsemi.com/thread/363751?ContentTypeID=1Wed, 20 Apr 2022 06:53:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3a690263-9358-46c7-a0fd-aab92d02b645Andrea Rossi<p>Hi, I&#39;ve got the same problem. Is there a particular function to&nbsp;do the calibration or I have to do it manually?</p> <p>Thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/208450?ContentTypeID=1Fri, 06 Sep 2019 11:26:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:73f5cd4b-1758-4e2c-bff1-365902a18fdeEinar Thorsrud<p>Hi,</p> <p>This indicate that there is a negative DC offset. For instance, if you ground the pin and measure a negative result, you should calibrate, and after calibration, the value should be 0.</p><div style="clear:both;"></div>