Water Level Detection Sensor

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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


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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