The purpose of this project is to design and construct a GSM based irrigation and solar tracker system that follows the sun direction for producing maximum out for solar powered applications. Soil moisture sensor is used to detect the moisture content in soil. GSM module is used for sending alert SMS to the field owner about moisture and motor status.   Achieving balance between power consumption and power production is a bigger challenge today. The best way to solve this imbalanced equation is to use solar energy as efficiently as possible. The problem in the usage of solar energy is with solar cell panel should be exposed maximum to the sun light. If the solar panel is fixed in a particular direction, then the sun light intensity varies from morning to evening. Moving the solar cell panel in the direction of sun can increase the solar energy generated from the solar cell. This project consists of few sun light sensors and a motorized mechanism for rotating the panel in the direction of sun. Microcontroller based control system takes care of sensing sunlight and controlling the motorized mechanism. This system works continuously without any interruption. Based on the moisture content in soil, microcontroller will turn ON/OFF the water motor using relay and also sending the alert SMS to the field owner through GSM. To achieve this task microcontroller loaded program written in embedded C language.

 

The major building blocks of this project are:  

• Power supply.
• Arduino UNO Microcontroller.
• Sun light Sensors (LDR).
• Solar panel.
• DC motor with L293D motor driver.
• Soil moisture Sensor.
• Relay.
• DC water motor.
• GSM.

  Software Requirements:

• Arduino IDE compiler for Embedded C programming.
• Express SCH for Circuit design.

   

Regulated power supply:

   

Block Diagram:  

video: