These car was made for the course of Digital Circuits at UCR, 2013.
Frontal IR distance sensor: It can avoid (or follow) objects at distance!
Two photoresistences below the car for line following (or avoiding) by sensing colors. The floor is iluminated by a LED and the effect of the ambient light is cancelled by sensing with and without the LED light.
Two servo motors for motion
Frontal and rear touch detectors
Stop, left and right turn lights
Video of object avoidance
This video shows the object avoidance with the IR distance sensor.