Grove Water Sensor
$4.14
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Description Grove compatible interface Low power consumption 2.0cm x 2.0cm twig module High sensitivity The Grove Water Sensor is part of the Twig system. This sensor works by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sens 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. View more Links ZIP File Documentation
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