Soil Moisture Detection Sensor Module

The Soil Moisture Detection Sensor Module is designed to detect the water content in soil and provide both analog and digital outputs. It helps automate irrigation systems and is widely used in agriculture, gardening, and environmental monitoring projects. This module enables smart water conservation by indicating dry or wet soil conditions, making it ideal for Arduino, Raspberry Pi, and other microcontroller-based platforms.

Key Features of Soil Moisture Detection Sensor Module:

• Analog & Digital Output: Provides continuous analog signal and a digital output via onboard comparator.
• High Sensitivity: Accurately detects changes in soil moisture levels.
• Adjustable Threshold: Potentiometer allows setting moisture level sensitivity for digital output.
• Low Power Consumption: Ideal for battery-powered remote monitoring setups.
• Plug & Play: Easy to interface with microcontrollers like Arduino, ESP8266, and Raspberry Pi.

Technical Specifications of Soil Moisture Detection Sensor Module:

• Operating Voltage: 3.3V to 5V DC
• Output Signal: Analog and Digital
• Comparator IC: LM393
• PCB Material: FR4 Flame Retardant
• Detection Area: Corrosion-resistant dual probes
• Power LED Indicator: Yes
• Digital Output Indicator: Yes

Mechanical Specifications of Soil Moisture Detection Sensor Module:

• Module Size: 3.4cm x 1.5cm (Sensor); 3.2cm x 1.4cm (Control Board)
• Weight: Approx. 10g
• Probe Type: Two-prong sensor fork
• Connector Type: 4-pin header (VCC, GND, AO, DO)

Dimensions:

• Sensor Length: 5.1cm
• Sensor Width: 1.5cm
• Control Board Length: 3.2cm
• Control Board Width: 1.4cm

Mounting Options:

• Soil Insertion: Probe directly inserts into the soil for moisture measurement.
• Panel Mount: Optional screw holes for attaching the module to enclosures.

Schematic Diagram, Connection, Wiring and Pinout of Soil Moisture Sensor:

• VCC: Connect to 3.3V or 5V supply
• GND: Connect to ground
• AO: Analog output for variable soil moisture level
• DO: Digital output triggered based on threshold setting
• Wiring: Use female-to-male jumper wires for easy breadboard interfacing

Datasheet of Soil Moisture Detection Sensor Module:

• Download Soil Moisture Sensor Module Datasheet (PDF)

Applications of Soil Moisture Detection Sensor Module:

• Smart Irrigation: Automates watering systems based on real-time soil moisture readings.
• Environmental Monitoring: Used in climate and agriculture sensor stations.
• Gardening Projects: Home garden automation and moisture alerts.
• Greenhouse Control: Maintains optimal soil moisture for plant health.
• Educational Projects: Demonstrates sensor interfacing and analog-digital conversion concepts.

Equivalent of Soil Moisture Detection Sensor Module:

• YL-69: Similar probe-based moisture sensor module
• FC-28: Compatible soil moisture detection module with adjustable comparator
• Capacitive Sensor: Non-corrosive alternative with longer lifespan

Package Includes:

• 1 x Soil Moisture Detection Sensor Probe
• 1 x LM393 Comparator Control Board
• 2 x 20cm Jumper Cable (4-pin)