Line Rollowing Robot

A nice rolling linefollower.

Line Follower

A Line Following

After reading both
of the
new books about Lego Mindstorms,
I realized I had never created
a line following robot.
So, I built a generalized chassis
to play with the idea.

I used two light
sensors and two motors.
I mounted the lights sensors one facing
down for line following and another facing
out for any IR radar applications.

The motor setup is
pretty simple, but
very stable and fast. I geared the
motors down substantially for line

Here is some sample code from
Dave Baum’s
Definitive Guide to Lego Robots used
this robot.
Here is the mpeg movie of the
that shows the line following in action.

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