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Sensor Design for CDC

Question asked by g1powermac on Dec 4, 2013
Latest reply on Dec 5, 2013 by seanbrown



I'm in the process of gathering information for designing the sensor for one of the capacitance digital converters like the AD7152. I'm looking to build a system that will measure the moisture in soil, so I need the measure the capacitance of the soil.  I'm looking for information on  sizing and placement of the sensor planes to get a good reading with the AD7152 or equivalent chip.



J Silverman