High Quality Resistive Soil Moisture Module with Corrison Resistant Probe

277.30 incl. GST (235.00 + GST)

15 in stock

  • The Soil Moisture Sensor Module with LM393 is designed to detect soil moisture levels for plant watering and smart gardening applications. It provides both analog and digital outputs, with an onboard potentiometer for adjustable moisture threshold detection. Operating from 3.3V to 5V, it is compatible with Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontrollers. The anticorrosion-treated probe makes it suitable for automatic irrigation, agriculture, greenhouse monitoring, and DIY plant care projects.

Soil Moisture Sensor Module with LM393 – Analog and Digital Output for Plant Watering Detection

Accurate Soil Moisture Detection for Smart Gardening and Plant Care

The Soil Moisture Sensor Module is a reliable soil humidity detection system consisting of two main components: an LM393 signal processing amplifier and a moisture-sensing probe. This module is designed to measure soil dampness levels, helping you determine when your plants need watering. Featuring both analog and digital outputs, adjustable threshold settings, and an anticorrosion probe, this sensor is perfect for automated plant watering systems, smart gardening projects, and agricultural monitoring applications.

Key Features & Benefits

Dual Component Design The module combines an LM393 signal processing amplifier circuit with a durable moisture-sensing probe to deliver accurate and reliable soil humidity readings.

Adjustable Threshold Detection Set your desired moisture level using the onboard potentiometer. When soil humidity falls below the configured threshold, the D0 digital output goes high, signaling that watering is needed; otherwise, it outputs low.

Dual Output Modes Provides both digital (D0) and analog output signals, offering flexibility for different project requirements. Use the digital output for simple on/off watering control or read analog values for precise moisture level monitoring.

Wide Voltage Compatibility Operates on a voltage range of 3.3V to 5VDC, making it compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and other popular microcontroller platforms.

Anticorrosion Probe The sensor probe features anticorrosion treatment, ensuring durability and longevity even with prolonged exposure to soil and moisture.

Simple Analog Reading The analog signal output makes usage straightforward – simply insert the sensor probe into the soil and read moisture levels using any Analog-to-Digital Converter (ADC) on your microcontroller.

Compact PCB Design With a PCB size of just 3.6cm x 1.5cm, the control board fits easily into small enclosures and project boxes.

Technical Specifications

  • Components: LM393 signal processing amplifier + moisture sensor probe
  • Operating Voltage: 3.3V to 5VDC
  • Output Signals: Digital (D0) and Analog
  • PCB Dimensions: 3.6cm x 1.5cm
  • Probe Material: Anticorrosion treated
  • Threshold Adjustment: Onboard potentiometer
  • Digital Output Logic: High when moisture below threshold, Low when above threshold

Perfect For

  • Automatic plant watering systems
  • Smart garden monitoring projects
  • Arduino and Raspberry Pi irrigation control
  • Greenhouse humidity monitoring
  • Indoor plant care automation
  • Agricultural soil moisture detection
  • Hydroponic system monitoring
  • DIY automated gardening projects
  • Weather station soil sensors
  • Plant health monitoring systems
  • IoT smart farming applications
  • Educational electronics projects

How to Use

  1. Connect the module to your microcontroller (3.3V or 5V power supply)
  2. Insert the moisture sensor probe into the soil near your plant roots
  3. Adjust the onboard potentiometer to set your desired moisture threshold
  4. Read the digital output (D0) for simple dry/wet detection, or read the analog output for precise moisture level measurements using an ADC
  5. Use the readings to trigger watering systems or monitor soil conditions

Compatible With

  • Arduino (Uno, Nano, Mega, etc.)
  • Raspberry Pi
  • ESP8266 and ESP32
  • STM32 microcontrollers
  • Any microcontroller with ADC and 3.3V-5V logic

What’s Included

  • 1x Soil Moisture Anticorrosion Sensor Module with LM393 Amplifier

Why Choose This Soil Moisture Sensor?

This sensor module offers the perfect balance of accuracy, durability, and ease of use for soil moisture monitoring. The adjustable threshold feature allows you to customize detection levels for different plant types, while the dual output options provide flexibility for both simple and advanced applications. The anticorrosion probe ensures long-lasting performance, making it ideal for continuous monitoring in automated watering systems.

Keep your plants healthy with smart soil moisture monitoring using this reliable sensor module!

Note: Images are for representation only. The actual product may vary slightly in appearance.

FAQs – Soil Moisture Sensor Module with LM393

1. What is the Soil Moisture Sensor Module?

It is a sensor module used to detect the moisture level in soil for plant monitoring, irrigation, and automated watering applications.

2. What outputs does the module provide?

It provides both Analog (A0) and Digital (D0) outputs.

3. What is the purpose of the analog output?

The analog output provides a variable signal corresponding to the detected soil moisture level, allowing more detailed moisture monitoring.

4. What is the purpose of the digital output?

The digital output provides a simple high/low moisture detection signal based on the threshold set using the onboard potentiometer.

5. Can the moisture detection threshold be adjusted?

Yes. The onboard potentiometer can be adjusted to set the desired moisture detection threshold.

6. What is the operating voltage?

The module operates from 3.3V to 5V DC.

7. Which microcontrollers are compatible?

It can be used with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other compatible microcontrollers.

8. What type of probe does it use?

It uses a moisture-sensing probe with an anticorrosion-treated surface for improved durability.

9. Can this sensor be used for automatic watering?

Yes. Its digital output can be connected to a suitable control circuit or microcontroller to trigger an automatic watering system.

10. Is the sensor suitable for indoor plants?

Yes. It can be used for monitoring moisture levels in indoor plants, pots, and home gardening projects.

11. Can it be used for agricultural applications?

Yes. It is suitable for agriculture, greenhouse monitoring, irrigation systems, and smart farming prototypes.

12. Does the module directly control a water pump?

No. The sensor provides an output signal. A suitable relay, MOSFET, or motor driver circuit is required to control a pump.

13. What is the PCB size?

The control PCB measures approximately 3.6 cm × 1.5 cm.

14. Does the package include the moisture probe?

Yes. The package includes the soil moisture sensor module with its moisture-sensing probe.

15. What is the main advantage of having both analog and digital outputs?

The analog output allows continuous moisture monitoring, while the digital output provides convenient threshold-based dry/wet detection for automated control systems.

Additional information

Weight 0.00 g
Dimensions 0.00 × 0.00 × 0.00 cm

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High Quality Resistive Soil Moisture Module with Corrison Resistant Probe

High Quality Resistive Soil Moisture Module with Corrison Resistant Probe

277.30 incl. GST (235.00 + GST)

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