Video of Light Following Robot

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Science Buddies Original
Science Fair Project Idea
Have you ever seen a cat chase a laser pointer or a flashlight beam? What if you could make a robot do that? In this project, you will build a robot that can automatically drive toward a bright light source. The robot uses a simple electronic circuit to track light, so there is no computer programming required! You can also do three other robotics projects using the same kit of parts, so this is a great way to get started with robotics before moving on to more advanced projects. Read more
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Time Required Short (2-5 days)
Prerequisites You will need to know how to use a breadboard to do this project. See the Science Buddies reference How to Use a Breadboard if you have not used a breadboard before.
Material Availability A kit is available from our partner Home Science Tools.
Cost High ($100 - $150)
Safety Short circuits can get very hot and present a burn hazard. Be careful to follow the directions in the Procedure in order to avoid short circuits when building your robot.