Clawing their way toward the sun, the slow-motion growth of plants obeys its own rules, not those of you, its master. Confuse your vegetable slaves with the rotating Sun Tracker, a rotating ...

Real flowers do it, and even the Beatles did it. [Robo Hub] now has a plastic sunflower that tracks the sun using, of course, an Arduino. It may not qualify as a real robot, but it does mimic a real ...

This module uses photoresistors and servo motors to create a device which will follow the point of highest illumination. Subsequently, it provides a good introduction to using the servo motor and ...