Remote sensor is then connected to the WeMos

Remote monitoring
of moisture and humidity

(Garden Automation)

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S.Sidaardh, Abhinandhan R.N,
L.Govindaraajan

Department of Information Technology

Sri Sairam Engineering College

Chennai-600044, India

 

 

ABSTRACT

 

This paper proposes the smart IOT (Internet of
Things) in Gardening. This project provides the smart way of monitoring the
moisture content in the soil and humidity in the air. When the moisture content
is low or the humidity is low it is sensed by the dh11 sensor which is fixed in
the garden. This sensor is then connected to the WeMos D1 R2 mini called a
micro controller and it is further connected to the motor pump.  The micro controller controls the motor pump
with the help of motor driver.  If the
moisture content reduces, the drip irrigation system takes place with the help
of solar powered motor pump. The value of humidity and moisture is been
monitored with the help of micro controller. The values of  humidity and moisture is stored in the
firebase with the help of micro controller. The firebase is connected with the
mobile app to transmit the data. So that we can monitor the moisture content
and the humidity level required for the plant and effective utilization of
water and man power for the proper growth or yield.

 

INTRODUCTION
– Internet Of Things

Introduction
to Internet of Things (IOT):       The
Internet of Things (IOT) is the network of physical devices, vehicles, home
appliances and other items embedded with electronics, software, sensors,
actuators and network connectivity. The IOT allows objects to be sensed or
controlled remotely across existing Network Infrastructure, creating
opportunities for more direct integration of physical world into computer based
system and resulting in improved efficiency, accuracy and economic benefit in
addition to reduce human intervention. “Things” in IOT refers to wide
variety of devices such as heart monitoring implants, biochip transponders on
farm animals, automobiles with built in sensors and DNA Analysis devices etc.
Internet of Things represents a general concept for the ability of network
devices to sense and collect data from the world around us and then share the
data across the internet and it can be processed and utilized for various
interesting purposes.

 

WORKING:

                This
project aims at helping the farmers in agricultural field by using IOT
(Internet of Things). It provides the smart way of monitoring the
moisture content in the soil and humidity in the air. When the moisture content
is low or the humidity is low during summer it is sensed by the DHT11 sensor
which is fixed in the garden. DHT11 sensor is a humidity and moisture Sensor,
which generates calibrated digital output. DHT11 can be interface with WeMos
D1 R2 and get instantaneous results.
This sensor is then connected to the WeMos D1 R2 mini called a micro controller.
The WeMos
D1 R2 is used in processing all the vital programming functions and consider the
program as commands for the other electrical connectivity. The micro
controller controls the motor pump with the help of motor controller. A Motor Controller is a device that acts as intermediary
between WeMos D1R2 micro controller and motor.If the moisture content reduces, the drip
irrigation system takes place with the help of solar powered motor pump. The
value of humidity and moisture is been monitored with the help of micro
controller .The values of the humidity and moisture is stored in the firebase
with the help of micro controller. Firebase is a mobile and web application development
platform, connected to the mobile app with the help of micro controller WeMos
D1R2 which transmits the data to the user. The mobile app is been made with the
help of MIT app inventor.

RELATED
WORKS

Plant watering automation:
The plants are watered twice a day by either
sprinklers or dripper with ATmega328 microcontroller programmed to sense
moisture level of plants at particular instance of time, if the moisture
content is less than specified threshold which is predefined according to
particular plant’s water need then desired amount of water is supplied till it
reaches threshold.

Smart Agriculture: Helps to reduce wastage, effective usage of
fertilizer and thereby increase the crop yield. In this work, a system is
developed to monitor crop-field using sensors (soil moisture, temperature, humidity,
Light) and automate the irrigation system. The data from sensors are sent to
Web server database using wireless transmission. In server database the data
are encoded in JSON format. The irrigation is automated if the moisture and
temperature of the field falls below the brink. In greenhouses light intensity
control can also be automated in addition to irrigation. The notifications are
sent to farmers’ mobile periodically. The farmers’ can able to monitor the
field conditions from anywhere

 

FUTURE
ENHANCEMENTS

   This Garden automation has a very good scope
in the near future. It helps to reduce the cost and can be done with using
minimal resources at reduced cost. It also aims at reducing the wastage of
water usage. The project mainly aims at the automation of public garden to
avoid wastage of resources. This can be expanded in the sense of security using
metal detectors and CCTV footages. Also using GSM the Garden automation can be
controlled using mobile applications.

This project can be extended to a wide level by
connecting a large number of sensors to a microprocessor which can perform
multitasking like Raspberry pi 3 through ZigBee transmitters and receivers and
can improve our farming methods further by implementing various ideas of IOT in
Agriculture

The temperature and humidity sensors capture
the data and send it to the centralized cloud servers where it gets processed.
The farmers can get all the details about their farm and also they can interact
with the drip through their mobile devices. With the project being developed
with the latest technologies, new sensors can be added which can add chemicals,
Fertilizers to the required amount. The smart drip irrigation system can be
used in commercial as well as agricultural use.

CONCLUSION

         Thus the project is expected to
achieve some of the important goals such as

1)      
Low installation cost: The assembly of
the system must be in expensive. A domestic user must be able to afford this to
use for their home plants.

2)      
Reduced labour: Once the system is
installed, there will be no labour required for refilling the water as this is
aimed to be the first aspect of full automation.

3)      
Reduced Monitoring: Requirement of human
surveillance is not needed for the entire day but once a day just to make sure
the system works perfectly normal. This is the second aspect of full
automation.

4)      
Decrease in water consumption: Since it
is being controlled automatically, usage of water is restricted to the required
level and it is third aspect of full automation.

5)      
Low maintenance: A good system requires
only a small maintenance level. In such case our system parts should never fail
for the first five years also the body parts should be available easily.

6)      
Low power consumption: The consumption
of electrical energy should also be minimized to reduce the total cost
associated with the system. This can be achieved if the system is used widely
in large scale.

                                                     

By
the time the world runs through technology, all the electronic components
required for this project can be brought and integrated into a single chip.