The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

If you are looking for a professional application, the top five best soil moisture sensors are given below: > Sonkir MS02 Soil pH Meter – Best Overall. ... > VIVOSUN 3-in-1 Plant Moisture Meter – Best ...

That’s why, in this project, we are going to make an automatic irrigation system using an Arduino and a few other cheap and easy-to-find components. We will use a soil moisture sensor to detect the ...

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A low cost Arduino based Automatic Irrigation system using Soil moisture sensor is presented in this paper in which the soil moisture sensor gives it's output depending on the conditions of the soil ...