The Change Collector by Rafael Garcia 08/07/07
Overview Features Circuit Hierarchy Behavior Cycle Pictures (Resolved) Demo Day Issues Coin Detection Algorithm (time permitting)
Features Picks up, sorts, and counts coins No external lighting required Stays inside predefined borders LED indicators and small speaker signal internal behaviors
Circuit Hierarchy pt1
Circuit Hierarchy pt2
Behavior Cycle
Pictures
More Pictures
Demo Day Issues Grasper gets stuck Solution: Keep grasper closed on the way down and open it up halfway down, after passing CMUcam Solution: Keep grasper closed on the way down and open it up halfway down, after passing CMUcam Dark spots on poster mistaken for coins Solution: Use new poster boards for demo day and use white tape to combine boards so that intersections appear white Solution: Use new poster boards for demo day and use white tape to combine boards so that intersections appear white
Coin Detection Algorithm pt1
Coin Detection Algorithm pt2