Visitors add one or more sensors to an autonomous robot which are used to guide it around an elevated track
The robot's motors are controlled by a TCRT5000 reflective infrared sensor, which can be used to detect ground colour or the edge of the elevated track.
The sensor is mounted on an adjustable arm that allows visitors to position it relative to the robot and the ground.
Additional controls allow the visitor to define the relationship between sensor input and motor movement.
Coloured line / sense track edge
Safety net to catch robots that fall off the track.