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This present work addresses simulation and hardware implementation of low cost Arduino based Maximum Power Point Tracking (MPPT) that is used with simple monitoring parameters in solar array power systems. To optimise the performance of a photovoltaic device, continuous monitoring of Maximum Power Point is important. In this paper, control mechanism is demonstrated by using Perturb and Observe MPPT technique to implement a buckboost converter for photovoltaic power control. The MPPT algorithm is responsible for detecting and deriving the maximum power from the photovoltaic and, with the help of the buck-boost converter to step up the voltage to the appropriate magnitude. The results involve the difference in the duty cycle with the change in load and thus average output voltage of the buck-boost converter with MPPT algorithm regulated current. The device is designed to be effective, reliable, reliable, economical, compact and simple to handle. Experimental findings show that the device is feasible and has enhanced functionality.