simple, cheap line following robot

This tiny edge following robot is really easy to make and costs less than $10. It is based on an ATtiny85 with pager motors and phototransistors. It is eventually going to be used for another purpose, but at this point it just runs along an edge between light and dark surfaces.

All the details can be found on my blog: http://junkplusarduino.blogspot.jp/p/robot-2.html
Enjoy.

Duration : 0:1:38


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