Inside the BeatBot an Arduino reads 9 infrared sensors for line detection at 100 samples a second. A digital servo controls the Ackerman steering mechanism to follow the line on the track or floor.

While they are not nearly as complex as their self-navigating brethren, building line following robots is no simple task, especially when they are this small. The creation of [Ondřej Staněk ...

Perhaps the most charming is Ozobot, a tiny robot that follow lines drawn on screens or paper — it's a simple concept that's surprisingly fun.

Perhaps the most charming is Ozobot, a tiny robot that follow lines drawn on screens or paper — it's a simple concept that's surprisingly fun.