HOW TO MEASURE NEGATIVE VALUE USING ADC IN NRF52832?

RE: HOW TO MEASURE NEGATIVE VALUE USING ADC IN NRF52832?

awneil — Sat, 31 Aug 2019 15:15:38 GMT

For the benefit of others who may have similar questions, and find this, please share your solution.

And verify the answer

RE: HOW TO MEASURE NEGATIVE VALUE USING ADC IN NRF52832?

fenil.patel — Sat, 31 Aug 2019 10:26:29 GMT

thank you for reply, now it's solved.

RE: HOW TO MEASURE NEGATIVE VALUE USING ADC IN NRF52832?

haakonsh — Fri, 30 Aug 2019 07:52:25 GMT

Also, can you share the datasheet for your sensor?

RE: HOW TO MEASURE NEGATIVE VALUE USING ADC IN NRF52832?

awneil — Thu, 29 Aug 2019 15:59:27 GMT

You mean a voltage below Vss ?

You can't do that directly - you'd need either a voltage translator of some sort, or to reference your sensor to something such that it's output does not drop below the nRF52832's Vss.

It is common (universal?) that microcontroller inputs cannot go below Vss, so the sensor manufacturer must have some across this case - have you looked on their website and/or contacted them for help ... ?