Robot Description: This is a modification of an RC Hummer using a PIC 16F84. When the momentary switches on the front of the vehicle detect an obstacle, the vehicle stops, backs up, turns, and then continues. The code and circuit diagram are supplied on our website: http://observe.phy.sfasu.edu/courses/phy475/Innerarity2003/Phy476/SFARover.htm Email: astro@sfasu.edu