TheGravity: IP65 Capacitive Soil Moisture Sensor (SEN0308) is a rugged, fully waterproof soil moisture sensor designed for long-term outdoor deployment in gardens, farms, and smart irrigation systems. This IP65 waterproof capacitive soil moisture sensor utilizes advanced capacitive sensing technology to deliver higher durability and accuracy than traditional resistive sensors. It is the ideal capacitive soil moisture sensor for environmental monitoring, smart agriculture, and automated plant care.

Fully compatible withArduino, ESP32, and Raspberry Pi, this waterproof capacitive soil moisture sensor ensures precise soil moisture detection even in harsh, humid, or submerged environments. Whether you are building an Arduino soil moisture sensor project or an industrial IoT node, this IP65 sensor provides reliable data.

Key Features

• IP65 Waterproof Design: This waterproof capacitive soil moisture sensor features a fully sealed enclosure that allows submersion without performance loss.
• Capacitive Sensing: No exposed electrodes this capacitive soil moisture sensor prevents corrosion and extends lifespan.
• Corrosion-resistant & Scratch-proof: A high-quality IP65 waterproof probe built for long-term outdoor use.
• Stable Analog Output: A 3-pin analog capacitive soil moisture sensor that is easy to integrate with microcontrollers like Arduino and ESP32.
• Perfect for: balcony gardens, greenhouses, smart farms, and Arduino-based environmental science projects.

Fully Waterproof & Built for Harsh Environments

Unlike many basic soil sensors, this IP65 waterproof capacitive soil moisture sensor model is completely waterproof, ensuring accurate readings even in wet or submerged conditions. Whether placed in a rain-soaked garden or an automated irrigation system, this waterproof soil sensor delivers consistent, reliable data for Arduino and ESP32 platforms.

Long-Lasting & Corrosion-Free

Thanks to capacitive sensing, the sensor avoids direct contact between electrodes and soil, eliminating electrochemical corrosion. This long-term soil monitoring solution is the preferred capacitive soil moisture sensor for researchers needing maintenance-free operation in the field.

Applications

• OutdoorIP65 waterproof smart irrigation systems
• Greenhouse automation withArduino or Raspberry Pi
• Balcony and indoor plant care usingcapacitive soil moisture sensors
• Soil analysis andenvironmental monitoring in research labs
• DIYArduino soil moisture sensor watering systems and science experiments

For more guidance, check out our article onHow to Select the Best Soil Moisture Sensors for agriculture and research.

Specifications

• Supply Voltage: 3.3V 5.5V DC
• Interface: 2.54mm 3-pin header (Gravity Compatible)
• Output Voltage: 0 3V DC (Analog output from capacitive soil moisture sensor)
• Cable Length: 1.5 meters
• Dimensions: 175mm 30mm (6.89 1.18 inches)
• Rating: IP65 Waterproof

Featured Project

DIY Plant Watering Device “Saving Plants”

Learn how to build anautomatic watering system to prevent plants from drying out. A perfect Arduino beginner-friendly project using this IP65 waterproof capacitive soil moisture sensor.

Documents

• Product Wiki & Tutorial
• Arduino Code & Tutorial
• Schematic (PDF)

Package Includes

• 1 Gravity: Analog IP65 Waterproof Capacitive Soil Moisture Sensor
• 4 Waterproof Labels