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 ...

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 ...

Circuit Diagram: Circuit Diagram of Soil Moisture Sensor Circuit is given below:. Working Explanation: This Soil Moisture Detector Circuit is very simple. Here we have used a soil moisture detector ...

Soil Moisture Monitoring with Arduino – Circuit Diagram. Fig. 3 shows the physical connection of the system, while Fig. 4 provides the schematic. In both diagrams, the sensor’s output signal pin is ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...