The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

This Arduino Nano project uses a soil moisture sensor, two potentiometers and a relay to automatically control a device based on soil moisture levels. The relay is turned on below a minimum threshold ...

Soil Moisture Sensor Pinout. The Soil moisture sensor a.k.a the soil humidity sensor, has four pins VCC, GND, Aout, Dout.These four pins can be used to get the soil moisture data from the sensor, The ...

Sensors should be placed at several different depths and locations in the field. Typically, sensors are placed in pairs at one-third and two-thirds the depth of the crop root zone and at two or more ...

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how … ...

In this article, we propose and demonstrate a novel corrosion-resistant, embeddable open-end coaxial cable soil moisture sensor. This microwave resonator is constructed using two reflectors along the ...

The paper proposes the application of a resonant textile antenna as moisture sensor. Two setups are discussed, the first considers the textile antenna used in transmission and the second considers ...