Variobot varikabi Manual page 81

11) Circling Around Light
• Looks for a light and drives fast
• Then below the light it moves on
• Accelerates when shadow is above
Circuit: Light Follower/ Acceleration Mode
For this experiment you need a dark environment and a
lamp about 30 to 100 cm above varikabi. A flashlight is not
suitable because of its strong focus.
If you place varikabi on the ground in some distance from
the lamp, it will quickly approach the light.
Below the lamp, it will slow down and keep turning in
order not to move away from the lamp. With the inclination
of the sensors you choose at which distance varikabi will
make the turn.
towards it
slowly in circles