Soil Moisture Sensor

WaveshareSKU: WAV-9527
Sale price £3.20
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Keep a close eye on your plants this summer with this soil moisture sensor from Waveshare!

Its fork-like design makes it easy to insert into moist soil, and the output voltage goes up when the soil moisture level increases.

Sensor comes with a short 3-pin sensor cable for connecting to microcontroller pins.


  • Detection depth: 38mm
  • Power: 2.0V ~ 5.0V
  • Dimension: 20.0mm * 51.0mm
  • Mounting holes size: 2.0mm
  • 3-pin cable included


  • Auto watering system
  • Flowerpot soil moisture detection
  • Auto pouring system

How to Use

Product Wiki -

In the case of working with an MCU:

  • VCC ↔ 2.0V ~ 5.0V
  • GND ↔ power supply ground
  • AOUT ↔ MCU.IO (analog output)

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