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Home / Computer Hardware, Monitors & Peripherals / Soil Moisture Sensor Module 5V 12V Automatic Watering Smart Kit DIY
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 5V / 12V DC
Output Signal Digital Switch Output (0/1)
Probe Material Nickel-Plated Steel
Working Current Less than 20mA
Interface Type 3-Pin PH2.0 Connector
PCB Dimensions 32mm x 14mm x 5mm
Probe Length 60mm
Net Weight 15 grams
Compatibility Arduino, Raspberry Pi, ESP32
Package Includes 1x Sensor Module, 1x Probe

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Great sensitivity

I adjusted the threshold easily. Now my sprinkler system only runs when needed.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect for my Arduino project

Works exactly as described. Easy to calibrate with the potentiometer on the board.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Easy for beginners

Clear instructions online. Took me an hour to set up my first auto-watering system.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Good value but probes corrode

Does the job well for monitoring soil. Just note that the probes may corrode after long-term exposure to wet soil.

A

Anonymous

Feb 16, 2026

Rating: 5/5

Reliable detection

Integrated this with my ESP8266. No issues with reading the digital output.

5 FAQ

Q: How deep should I insert the probe?

A: For best results, insert the probe about 2 to 3 inches into the soil near the plant roots.

Q: Is calibration required out of the box?

A: Minor calibration using the onboard potentiometer is recommended for specific soil types.

Q: Does it come with code examples?

A: We provide a link to a GitHub repository with Arduino and Python examples in the package.

Q: Are the probes waterproof?

A: The probes are water-resistant for soil insertion, but the circuit board should be kept dry.

Q: Can this run on 3.3V logic?

A: Yes, the module supports 5V and 12V input, and the output is compatible with 3.3V microcontrollers.

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