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1. RESEARCH ON WATER-SAVING IRRIGATION AUTOMATIC
CONTROL SYSTEM BASED ON INTERNET OF THINGS
Abstract:
To improve irrigation water use efficiency, reduce cost of irrigation water, this paper
discussed the design of wireless sensor network and Internet technology of farmland automatic
irrigation control method. Emphasis on an analysis of the routing protocol of sensor network
nodes to achieve the system hardware and software design, middleware, and applications such as
mobile phone or wireless technology of internet of things, will constitute a variety of sensors
intelligent network, thus enhancing the overall automation system and monitoring levels. The
final analysis of the network in the Internet based on the agricultural plants of farmland watersaving irrigation system integrated approach. User use mobile phones or wireless technology can
easily soil moisture content of online monitoring and control to realize the irrigation automation.
Application results show that system through the embedded control technology complete
intelligent irrigation, improve the agricultural irrigation water use efficiency and irrigation
system automatization is generally low status, can well realize water saving.
Existing system:
In the existing system we will use wired connections such as CAN, LIN to collect the
details about nodes. Even though offering a lot of convenience, our existing system has some
drawbacks as high cost, difficult maintenance, and more wired connections. So we will introduce
a new system which will have wireless connections between server and nodes. We will make this
system using ZigBee technology.
Proposed system:
As a new internet of things information network, for most types of agricultural materials,
agricultural products through the Internet of Things will be fresh growth state, response to
environmental changes, storage preservation, distribution and quality and safety of equipment,
machinery, people close integration of active behavior, will have an important impact on the

2. agricultural economy. We introduce a new a new design of embedded web server making use of
ZigBee, a
wireless network technology in this paper. Compared to the wired link web server
system, This system is characterized by having no wires between the web server and terminal
nodes, lower cost, and having more flexibility of the network topology. For every node we will
use separate ZigBee transceiver to transmit the details to server node. Water irrigation control
based on microcontroller and internet of things. In agriculture land, water irrigation is monitored
by using sensor like temperature, humidity and controller sends sensor to PC using Zigbee
wireless technology and updated with internet using VB.NET, Zigbee is working in 2.4 GHZ
frequency. If irrigation is abnormal level identified by sensors then the controller automatically
control the irrigation control valve motor to provide water supply to agriculture land as far as
required water, if irrigation comes to normal level irrigation valve motor closed to stop water
supply to particular area of land.
BLOCK DIAGRAM:
Agriculture farm 1:
Power
supply
Temp
Sensor
PIC
Humidity
Sensor
LCD
16F877A
Driver
Circuit
Irrigation
Control valve
With tank

3. Agriculture farm 2:
Power
supply
Temp
Sensor
PIC
Humidity
Sensor
LCD
16F877A
Driver
Circuit
Irrigation
Control valve
With tank

4. Server node:
Power
supply
PIC
16F877A
Hardware requirements:

PIC 16f877a

Zigbee Transceiver

LCD

Temperature sensor

Humidity Sensor

Irrigation control valve mechanism

MAX 232

PC
Software Requirements:

Embedded C
MAX
232

5. 
CCS C Compiler

MPLAB IDE

VB.NET