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Home / Computer Hardware, Monitors & Peripherals / [Corrosion-Resistant] DFRobot Capacitive Soil Moisture Sensor Module Dry/Wet Detection

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 3.3V - 5.5V DC
Output Signal Analog Voltage
Interface Type PH2.0-3Pin Connector
Probe Material Nickel-Plated Copper
Board Dimensions 60mm x 20mm x 5mm
Cable Length 1.5 Meters
Product Weight 15 Grams
Compatibility Arduino, Raspberry Pi, ESP32
Working Current Less than 20mA
Waterproof Rating IP67 Probe Protection

5 reviews

A

Anonymous

Apr 01, 2026

Rating: 5/5

Reliable for automation

Using this in a greenhouse automation project. Data is consistent over weeks of testing. No rust observed yet.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Accurate readings

Calibration was easy using the potentiometer. Helps me know exactly when to water my tomatoes automatically.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Finally no corrosion!

Switched from the resistive version. This one lasts much longer in the soil without degrading. Highly recommend for long-term projects.

A

Anonymous

Feb 17, 2026

Rating: 4/5

Good value

Does what it says on the tin. Packaging was secure. Took a day to arrive. Good addition to my sensor kit.

A

Anonymous

Feb 09, 2026

Rating: 4/5

Great sensor, short cable

Works perfectly with my ESP32. Readings are stable. Wish the cable was a bit longer for large pots, but I can extend it.

5 FAQ

Q: Is this analog or digital output?

A: It provides an analog voltage output proportional to moisture levels.

Q: Is the probe fully waterproof?

A: The probe is IP67 rated, but the connector should be kept dry.

Q: Can I use this with 3.3V logic?

A: Yes, it operates comfortably between 3.3V and 5.5V.

Q: Do you provide a library?

A: Yes, check our GitHub for Arduino and Python examples.

Q: How long does it last underground?

A: Much longer than resistive sensors, typically over 1 year depending on soil acidity.

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