DIGITAL OBJECT GATHERER ECE 477 Digital Systems Senior Design Project  Spring 2010 DIGITAL OBJECT GATHERER DESIGN ASPECTS DESIGN CHALLENGES (L-R) Beau Morrison Seraj Dosenbach Greg Lammers Ananya Panja Getting correct GPS headers in order to return home Making the DOG less prone to sonar echoes while avoiding obstacles Driving the DOG straight while balancing its body Lifting up the heavy neck using relatively weak servos Designing efficient power circuitry to withstand 60A drawn by the motors Training the DOG to track different objects System Block Diagram PACKAGING DESIGN PROJECT OVERVIEW PCB Design DOG is an autonomous robot which : Simulates the behavior of dog fetching Tracks a thrown object, picks it up, and returns it to initial GPS location Avoids obstacles using sonar sensors Recognizes an object using a camera Follows object using computer vision algorithm PCB Bottom Layer PCB Top Layer Digijock(ette)-Strength Digital System DesignTM