Let's Make Robots!

How do you make a line follower?

i just want to know how to make a line follower, like the equipment needed. if there is a walkthrough, please give me the link. if there isn't, can you tell me how or give me a link to a site that does?



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I would not jump at a Microcontroller if you dont know the basic theory yet.

 You can use a comparator to compare voltage between a CDs Voltage divider. I have made a robot head and a line follower like this. It is a similar example in "Robot Building for beginners"