Water detection sensor is used to detect water leak, water level or rains. This is obtained by having a series of parallel wires exposed 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.
The analog signal output can be read directly to arduino
Specifications:
Product Name: water level sensor
Operating voltage: DC3-5V
Operating Current: less than 20mA
Sensor Type: Analog
Detection Area: 40mm x 16mm
Operating temperature: 10 ℃ -30 ℃
Humidity: 10% -90% non-condensing
Product weight: 3.5g
Size: 62mm x 20mm x 8mm
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