How to make Line Follower Robot Arduino

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A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact. A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the field or return signal.

Code and Schematics – https://wp.me/p9Enon-cI
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Full Arduino Project Kit – https://www.gearbest.com/development-boards/pp_211518.html?wid=1433363&lkid=14127055

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