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Soil Hygrometer Humidity Detection Moisture Sensor Module for Arduino
Can be used to detect the moisture of soil or judge if there is water around it; Widely used in auto watering system£¬ reducing labour force; The drier the soil£¬ the lower of the voltage£¬ or vice versa; Just insert it into the soil and then read it; With the help of this sensor£¬ it will be realizable to make the plant remind you : Hey£¬ I am thirsty now£¬ please give me some water!