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Crowtail- Water Sensor 2.0

Availability: In stock


A NEW Crowtail sensor called crowtail-water sensor, it has a specific crowtail interface that compatible with crowtail base board. The water sensor detects water by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sensor traces. The sensor traces have a weak pull-up resistor of 1 MΩ. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the grounded trace. With the digital I/O pins of Crowduino , you can detect the amount of water induced contact between the grounded and sensor traces.


  • Crowtail compatible interface

  • Low power consumption

  • High sensitivity

  • Dimensions(mm):40.0(L)x20.0(W)x6.8(H)

Applications Ideas

  • Rainfall detecting

  • Liquid leakage

  • Tank overflow detector

Package list

  • Crowtail-water sensor x 1

Wiki & External links

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