Line sensor for line follower
thingiverse
This is an 8-channel analog line sensor. You can see the sensor in action here http://www.youtube.com/watch?v=jyh9hvbNfsw and check out the assembly instructions at http://www.customelectronics.ru/8mi-kanalnyiy-datchik-linii-dlya-linefollow-robota/. Sorry, they're currently only available in Russian.
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