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Analog Capacitive Soil Moisture Sensor

Analog Capacitive Soil Moisture Sensor

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  • Supports 3-Pin Gravity Sensor interface.
  • Analog output.
  • This module includes an onboard voltage regulator which gives it an operating voltage range of 3.3 ~ 5.5V.
  • It is made of corrosion resistant material which gives it an excellent service life.
  • The device gets compatible with a 3-pin gravity sensor interface and connects directly to the gravity I/O expansion shield.
  • This soil moisture sensor supports 3 modes: AP,STA,AP+STA.

Analog Capacitive Soil Moisture Sensor

Analog Capacitive Soil Moisture Sensor (Anti-Corrosion) is a soil moisture sensor based on capacitance variation. Compared with the resistive sensor, the capacitive sensor does not require direct contact with the metal electrode, which can greatly reduce the electrode corrosion, it is considered to be anti-corrosion.
It is important to note that this sensor can only qualitatively test soil moisture and cannot measure it quantitatively. As soil moisture increases, yield values ​​decrease; conversely, when the humidity decreases, the output value becomes higher.
This Capacitive Soil Moisture Sensor V1.2 measures soil moisture levels by capacitive sensing rather than resistive sensing like other sensors on the market. It is made of corrosion-resistant material which gives it excellent service life. Insert it into the soil around your plants and impress your friends with real-time soil moisture data. It is perfect for low-voltage MCUs, both 3.3V, and 5V. For compatibility with a Raspberry Pi, it will need an ADC converter. This soil moisture sensor is compatible with our 3-pin “Gravity” interface, which can be directly connected to the Gravity I/O expansion shield.
Also, read our blog on Smart Plant Monitoring System detailing the plant moisture monitoring system, discussing their purpose, components, working, advantages over traditional systems, and other important aspects of this emerging technology.


  • Garden plants
  • Moisture detection
  • Intelligent agriculture

Package Includes:

  • 1 x Analog Capacitive Soil Moisture Sensor


Operating voltage range 3.3 ~ 5.5V
Sensor Type  Capacitive Soil Moisture Sensor
Interface PH2.54-3P
Operating Current 5mA
Dimensions  5 x 4 x 3cms 
Weight 15 grams

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. What is an analog capacitive soil moisture sensor?

  • Capacitive Soil Moisture Sensor (Anti-Corrosion) is a soil moisture sensor based on capacitance variation. This sensor can be used in an automatic plant watering system or to signal an alert of some type when a plant needs watering.

2. How does an analog soil moisture sensor work?

  • The analog Capacitive Soil Moisture Sensor Module determines the amount of soil moisture by measuring changes in capacitance to determine the water content of the soil

3. Where can I use the Capacitive soil moisture sensor?

  • The Capacitive Soil Moisture Sensor is a soil moisture sensor based on capacitance variation. The Capacitive Soil Moisture Sensor is commonly used for Garden plants, Moisture detection, and Intelligent agriculture