Soil Moisture Sensor Module with Comparator Board for Arduino, ESP32, and Raspberry Pi

The Soil Moisture Sensor Module is a simple yet effective tool for detecting the moisture level in soil. It is ideal for automatic plant watering systems, smart irrigation, and IoT-based agriculture projects.

This module consists of a two-prong soil probe that measures resistance between the electrodes and a comparator board that outputs both analog and digital signals.
You can easily connect it with Arduino, ESP32, ESP8266, Raspberry Pi, or any other microcontroller platform to monitor soil conditions in real time.

🔧 Features:

• Measures soil moisture levels accurately

• Adjustable sensitivity using onboard potentiometer

• Provides both analog and digital output

• Works with 3.3V and 5V systems

• Perfect for DIY smart garden and automatic irrigation projects

📦 Specifications:

• Operating Voltage: 3.3V–5V

• Output Type: Analog (AO) & Digital (DO)

• Comparator IC: LM393

• Material: FR4 PCB with corrosion-resistant probe

• Dimensions: Approx. 6 x 2 cm (sensor), 3.1 x 1.4 cm (module)

• Cable Length: ~20 cm

💡 Applications:

• Smart plant watering systems

• Home automation and gardening

• Soil humidity data logging

• IoT-based agriculture projects