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AUTOMATED IRRIGATION SYSTEM USING A WIRELESS SENSOR NETWORK AND GPRS MODULE

AUTOMATED IRRIGATION SYSTEM USING A WIRELESS SENSOR NETWORK AND GPRS MODULE

AUTOMATED IRRIGATION SYSTEM USING A WIRELESS SENSOR NETWORK AND GPRS MODULE

An automated irrigation system was developed to optimize water use for agricultural crops. The system has a distributed wireless network of soil-moisture and temperature sensors placed in the root zone of the plants. In addition, a gateway unit handles sensor information, triggers actuators, and transmits data to a web application. An algorithm was developed with threshold values of temperature and soil moisture that was programmed into a microcontroller-based gateway to control water quantity. The system was powered by photovoltaic panels and had a duplex communication link based on a cellular-Internet interface that allowed for data inspection and irrigation scheduling to be programmed through a web page. 

                   In this paper, the development of the automated irrigation system based on microcontrollers and wireless communication at experimental scale within rural areas is presented. The aim of the implementation was to demonstrate that the automatic irrigation can be used to reduce water use.

                    A microcontroller for data acquisition, and transceiver; the sensor measurements are transmitted to a microcontroller based receiver. This gateway permits the automated activation of irrigation when the threshold values of soil moisture and temperature is reached. Communication between the sensor nodes and the data receiver is via the Zigbee. This receiver unit also has a duplex communication link based on a cellular Internet interface, using General Packet Radio Service (GPRS) protocol, which is a packet oriented mobile data service cellular global system for mobile communications (GSM).

The Internet connection allows the data inspection in real time on a website, where the soil-moisture and temperature levels are displayed through an application interface and stored in a database server. 

TRANSMITTER SECTION:

RECEIVER SECTION:

HARDWARE USED:

  • Micro Controller
  • Power supply 
  • GSM/GPRS modem
  • LCDDISPLAY
  • Temperature sensor
  • Water level sensor
  • Soil sensor
  • ZIGBEE

SOFTWARE USED:

  • Keil IDE
  • Embedded C
  • Express PCB
  • Flash Magic

Advantages: 

  • Less man power  
  • Power saving and water saving
  • Safe and secure, no harm to operator while operating 
  • Remote monitoring

Applications:

  • Agriculture system
  • Industry monitoring and controlling systems
March 28, 2022

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