SOIL HYGROMETER/MOISTURE/CONDUCTIVITY SENSOR

Features

1. This sensor can be used to detect soil moisture / conductivity of liquids

2. Sensitivity adjustable the blue digital potentiometer adjustment

3. Operating voltage 3.3V-5V

4. Module dual output mode, digital output, analog output more accurate.

5. With fixed bolt hole for easy installation

6. PCB size: 3cm * 1.6cm

7. Power indicator (red) and digital switching output indicator (green)

8. Comparator LM393 chip, stable

Interface Description (4-wire)

1. VCC : 3.3 V-5V 2. GND : GND 3. DO : Digital output interface (0 and 1) 4. AO : Analog Output Interface