SAADC negative value

[Hansome]

nrf_drv_saadc_sample_convert get a value which is a negative number, How to understand its meaning? Thanks!

[Einar Thorsrud]

Hi,

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.

[Andrea Rossi]

Hi, I've got the same problem. Is there a particular function to do the calibration or I have to do it manually?

Thanks