Soil Moisture Sensor Module

• Operating voltage: 3.3V~5V.
• Adjustable sensitivity (shown in blue digital potentiometer adjustment)
• Dual output mode, analogue output more accurate.
• A fixed bolt hole for easy installation.
• With power indicator (red) and digital switching output indicator (green).
• Having LM393 comparator chip, stable.
• Panel PCB Dimension: 3cm x 1.5cm.
• Soil Probe Dimension: 6cm x 2cm.
• Cable Length: 21cm.

Pin Definition

• VCC: 3.3V-5V.
• GND: GND.
• DO: digital output interface(0 and 1).
• AO: analogue output interface.