Gravity: Analog Capacitive Soil Moisture Sensor

DFRobotSKU: SEN0193
Sale price £5.25
incl. VAT
excl. VAT
Only 5 units left

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This sensor measures soil moisture levels by capacitive sensing, rather than resistive sensing like traditional moisture sensors. It is made of a corrosion-resistant material giving it long service life. Insert it into the soil and keep an eye on your plants with real-time soil moisture data!

The sensor includes an on-board voltage regulator which gives it an operating voltage range of 3.3-5.5V making it compatible with low-voltage development boards (both 3.3V and 5V logic). To make it compatible with a Raspberry Pi, an ADC converter is required.

This sensor is compatible with the DFRobot 3-pin Gravity interface, which means it can be directly connected to the Gravity I/O Expansion Shield.

The following image shows an example project - a device that notifies you when a plant needs to be watered:

Connection Example - Arduino


  • Corrosion resistant
  • Supports Gravity 3-Pin Interface
  • Analog Output


  • Operating Voltage: 3.3 ~ 5.5 VDC
  • Output Voltage: 1.2 ~ 2.5V
  • Interface: PH2.0-3P
  • Dimension: 98mm x 23mm
  • Weight: 15g


Package Contents

  • 1x Capacitive Soil Moisture Sensor
  • 1x Analog Sensor Cable

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