[riot-devel] Soil Moisture Sensor
peter.kietzmann at haw-hamburg.de
Tue Oct 11 16:46:21 CEST 2016
what are the default values for ADC_0 on the samr21-xpro board and which
driver did you use?
Am 11.10.2016 um 16:32 schrieb ALESSANDRO NICOLI:
> Hi all,
> I'm trying to use a Soil moisture sensor with a Samr21-xpro and RIOT os.
> The sensor used is as follows :
> I have *4 soil jars (with different moisture concentrations)* that i'm
> gonna use for testing, i've already tried to get moisture values with *Arduino
> Uno* and they seem to be acceptable.
> *For both, i used the built in ADC with 10 bits of resolution.*
> But when i try to use the samr21, it gets me always 330 as value (10 bits
> For the SAMR21* i used the default parameters for ADC_0*.
> There is a way to rectify the readings, or some kind of calibration to do?
> Thanks a lot,
> *best regards, *
> devel mailing list
> devel at riot-os.org
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