Solar tracking systems for automatically tracking the sun and positioning of photovoltaic modules relative to the sun, namely, computers and electronic devices to control movement of photovoltaic modules; electronic devices for monitoring and optimizing photovoltaic arrays; photovoltaic systems in the nature of solar trackers, namely, computers and electronics to control movement of solar trackers; electronic devices for the positioning of solar modules or solar panels, namely, inputs and electronic controls to facilitate movement of solar modules or solar panels.