Automatic Irrigation System Using Wsn

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Automatic Irrigation System Using WSN

Akshay U. Mankar
Department of Electronics and Telecommunication Engineering
R. M. D. Sinhgad School of Engineering and Technology
Pune, India akshaymankar3511@gmail.com Prof. Mrs. Snehal Bhosale
Assistance Professor, Department of Electronics and Telecommunication Engineering
R. M. D. Sinhgad School of Engineering and Technology
Pune, India snehalbhosale@sinhgad.edu Abstract— An automated irrigation system is developed to optimize water use for agriculture crops. The system has a distributed wireless sensor node network of soil moisture, temperature sensors and humidity sensor placed in the soil. Energy conservation is a very critical issue in wireless sensor networks. In this paper a TDMA based MAC protocols are used to conserve the energy in wireless sensor networks which is used in an irrigation system. An algorithm is developed with threshold values of moisture level, temperature of the soil and humidity sensor that are programmed into microcontroller based gateway to control irrigation in a field. Also two methods based on TDMA scheduling are used. The first one is direct communication method, in which each node transmitted the data directly to the sink node and other one is data aggregation method in which nodes are grouped into clusters to save energy.
Keywords— TDMA scheduling, Wireless sensor networks, Energy efficiency, Automatic irrigation
I. INTRODUCTION
In India agriculture uses 85% of available freshwater

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