Implementation of the system
readings.
used is very easy and simple to implement. Hardware
required for the design is not very costly and easily
available in the market. It tracks the sun in such a way that
only normal rays are incident on the Photodiode. As the
tracker is activated after certain amount of time the power
required to drive the motors is very small. The value
obtained from the photodiode along with the
corresponding Date and Time are stored in the MicroSD
card in excel sheet.