This is a summary of the soil moisture sensor can be used to detect moisture when the soil is dry the module outputs a high level whereas output low.
Using this sensor make an automatic wateringsystem so that your garden plants without people to manage.
100% Brand new and high quality.
Operating voltage: 3.3V~5V.
Adjustable sensitivity (shown in blue digital potentiometer adjustment)
Dual output mode analog output more accurate.

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OkaeYa Soil Moisture Meter Testing Module, Soil Humidity Sensor, Water Sensor, Soil Hygrometer Detection Module For Arduino (color may be vary)

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