Here Comes the Sun - Lego

Testing the carsThe more complex algorithm works well in a wide range of settings as long as thelight conditions remain constant while the car is turning. The simple algorithm, byit very nature, is much more sensitive to shadows, glare, and other problems withthe lighting. It works best in a dim room with a single light source near the car,such as a reading lamp or a powerful flashlight.ExtensionThe position of the sun changes during the day. Modify the car so that if the lightshifts while it is parked, it will rotate to find the new brightest spot.Add just three commands to the original program for a solution to the extensionAt the end, right before Stop Data Logging, add a Wait for Dark icon followed bya Jump. Place the corresponding Land near the beginning, right after Start DataLogging.©2002 The LEGO Group. LEGO, Invent & Investigate and RCX are trademarks of The LEGO Group.This page may be photocopied for non-commercial educational use. All other rights reserved.9