Product Description
The Capacitive Soil Moisture Sensor is a reliable moisture detection module designed to sense the volumetric water content of soil without direct corrosion issues common with resistive sensors. It utilizes capacitive sensing techniques to provide a stable analog output proportional to soil moisture levels, allowing microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi (via ADC) to determine wetness conditions in soil.
This sensor is commonly used in smart garden systems, automated irrigation control, agricultural monitoring, greenhouse humidity tracking, and IoT environmental station projects. Its durable design and less susceptibility to rust make it suitable for long-term soil moisture measurement.
Key Features
Capacitive moisture sensing
Analog voltage output proportional to moisture level
No metal corrosion (unlike resistive sensors)
Works with 3.3V – 5V microcontrollers
Easy integration with ADC input
Effective in garden & agricultural environments
Package Includes
1 × Capacitive Soil Moisture Sensor Module
1 × Cable / Header Pins
Technical Specifications
Parameter | Specification |
Sensor Type | Capacitive Soil Moisture |
Output | Analog voltage |
Operating Voltage | 3.3V – 5V |
Interface | Analog ADC |
Compatible Boards | Arduino, ESP32, STM32, Raspberry Pi |
Cable | Included |
Dimensions | ~70 × 30 mm |
Operating Temp. | -10°C to +60°C |
Applications
Smart irrigation control
Garden and greenhouse moisture monitoring
Agricultural soil condition sensing
IoT environmental measurement
Water management systems
Embedded soil moisture projects