Soil Moisture Sensor Module

Specifications:

• Operating Voltage: 3.3V – 5V

• Sensitivity Adjustment: Digital blue potentiometer

• Output Modes:

  • Analog Output (AO): Provides variable voltage based on moisture level (more accurate)

  • Digital Output (DO): Logic level output (triggered when threshold is met)

• Indicators:

  • Power Indicator: Red LED

  • Digital Output Indicator: Green LED

• Comparator Chip: LM393 – stable performance