Electronic Soil Hygrometer

This device can be used to measure soil moisture electronically. It has both analog and digital outputs. Sensitivity adjustable the blue digital potentiometer.

• 3.3V-5V Operating voltage
• Two Indicator LEDs: Power (Red) Output (Green)
• Mounting hole
• Compatible with Arduino and PIC microcontrollers

Four wire interface pin description:

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