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This Instructable will teach you how to create a solar tracker using Arduino and Raspberry Pi 3 Model B. We will also learn how to create a graphic user interface using Processing. As we all know, energy is an indispensable part of our lives. From transportation to agriculture, cooking to water heating, air conditioners to refrigerators, using laptops to watching television, using phones to watch silly videos to typing this very Instructable, everything needs energy! Solar energy is the cleanest form of renewable energy which can be used to satisfy the growing need for energy while supporting sustainable development. However, the use of solar energy can face certain problems. One such problem is that the position of the sun throughout the day varies. We can solve this problem by creating a solar tracker. A solar tracker is a device which tracks the position of the sun and alters the position of the solar panel to maximize the power output of the system.”

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