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New Video 8-24-14 RG2 combines several ideas i have been thinking about for a few years. With one CR Servo it can go forward or turn left or right. And by using it's one sensor it can find and follow a line using a ATtiny-85 for a brain. The key is the wheels with one way clutches in them. One only turns clockwise the other only counterclockwise. So when the drive wheel turns one wheel locks and the other moves forward. ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/rg2