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Abstract
Sun has been the most major source of energy since the beginning of humanity, its energy fuels life in our planet. Today world is facing energy and environmental crisis due to excessive use of fossil fuels. Hence many countries like South Korea, Germany etc. have switched to renewable sources of energy mostly solar energy. Since solar energy harnessing is difficult due to its dispersed nature so in our project we have taken small initiative to enhance the output of P.V cells by keeping it continuously aligned with sun. In this work a LDR sensor is used to track the solar intensity, a stepper motor is used to move to rotate the panels towards the sun in accordance with LDR sensor a microcontroller and drivers act as relays for the smooth operation of the system with LDR sensor a microcontroller and drivers act as relays for the smooth operation of the system.