Abstract:
This paper describes an automated system of irrigation process which involves
an arrangement of sensor in the cultivation of field, Wireless transmission of
the sensor data using RF transmitter and a control system to evaluate the data
to our required level and manage proper running of the irrigation pump. The
main focus of this paper is to present an affordable low cost and low power
solution to irrigation process in order to proliferate the automation process
in it. The system includes sensors and microcontroller to send data using RF
modules which thereby will be used in the control unit consisting of Arduino
Nano and relay connection to the pump. User can easily set the required water
level needed for the definite crop and use the system for precise irrigation
process. This will in the long run help reducing water wastage and timed
irrigation process

Keywords: Automated Irrigation System, Wireless Sensor Networks, Arduino Nano,
Water Conservation System

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Introduction:
With the expansion of automation process and increased use of wireless sensor
networks in it , it is an evident need to implement it in growing need of
agriculture , in this case for irrigation system. One of the prime reason for
irrigation facility not to have these facilities yet is high cost of maintenance
and high power consumption. In the context of having a low cost operation for
the irrigation process this paper implements necessary wireless arrangements
for achieving it. Such system is especially imperative for low income farms
where farmers cannot afford to have high priced technologies. Another important
factor is water conservation as manual process that farmers use in a country
like Bangladesh involves a lot of predictive steps which results in water
wastage; smart irrigation system that we are proposing ensures proper water
management as well.

In this paper we propose a system which will
include use of sensors which are soil moisture sensor and water level sensors.
This sensor nodes will be placed in a designed system in the field. This sensor
will provide readings and data calculations will be done by Attiny167
microcontroller. Wireless communication system is done by RF modules which will
communicate with the control unit containing Arduino Nano. The control unit
will evaluate the data considering several factors for specific type of crops
and ensure proper use of the shallow pump. This system will be solar powered to
ensure use of renewable energy and cutting down overall cost management. The
system will also be adaptable to changes in accordance with the user need.