Technical Specifications:

• Supply voltage: DC 3.3V-5V
• Operating current: less than 20mA
• Output voltage :0-2.3 V [2.3V is completely immersed in water] voltage, 5V power supply, humidity, the greater the output voltage increases.
• Sensor Type: Analog Output

Interface Definition: DATA GND VCC
Module size: 20x60mm

Application Display

Test Way

After the programming, connect this sensor with power supply, and the D1 light is on; the window monitor shows as P1 below; when you insert the sensor into soil, the more the humidity is, the bigger the value is(ranging from 0-1023)-shown as P2 below.

I. Tested by ICStation's Outstanding Partner Crazy-Logic:

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II. Tested by ICStation's Outstanding Partner The Unwanted Guy:

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Tested by ICStation's Outstanding Partner adrirobot:

https://www.adrirobot.it/sensori/moisture_sensor/moisture_sensor.htm