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Grove - Water Sensor

by Seeed
SKU 2747
£3.38 inc VAT
£2.82 ex VAT
6 in stock.

Detects the presence of water using exposed PCB traces. The sensor is made up of interlaced traces of Ground and Sensor signals. The sensor traces are weakly pulled up using a 1 MΩ resistor. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the ground trace. This circuit will work with the digital I/O pins of an Arduino or you can use it with the analog pins to detect the amount of water induced contact between the grounded and sensor traces.

  • Dimensions: 40mm x 20mm x 12mm
  • Grove compatible interface
  • High sensitivity