Effect of Moisture Content in the Sandy, Clay and Loamy Soil using Humidity Sensor YL69

Abstract: This paper focuses on automated irrigation system. YL69 (Humidity sensor) measures and analyses the behavior of the moisture content in the soil. The UNO Arduino and PID controllers are adopted to obtain the data for different percentage of moisture content present in the soil. GSM module provides information regarding the moisture content of the soil to the farmers. Fraction of total volume of soil occupied by water is measured. Results show that the moisture content of the soil increases linearly from 0 % to 25 % with the change in percentage of water present in sandy soil, loamy soil, clay soil and becomes constant after it reaches 20 %, 25 % and 30 % respectively. The above technique automatically operates and controls the watering system of farmers.

Keywords: YL69 Humidity sensor, UNO Arduino, PID Controller, GSM Module

Edition: Volume 6 Issue 5, May 2017,

Pages: 107 - 110

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Effect of Moisture Content in the Sandy, Clay and Loamy Soil using Humidity Sensor YL69

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