1. 9-20-00Adam Brissette & Darren O'Meara Ping Pong Conveyer Robot Project Overview

2. 9-20-00Adam Brissette & Darren O'Meara Problem Statement An unknown number of ping pong balls, totaling no more than ten, will be randomly scattered on a table whose dimensions are 4’ X 8’ X 8”. Our mission is to collect and count the balls.

3. 9-20-00Adam Brissette & Darren O'Meara Solution § A robot § A conveyor belt system that slides the balls up a ramp § An optical switch that counts the balls § A collection bin for storing the balls § Zig zag pattern navigation The system includes:

4. 9-20-00Adam Brissette & Darren O'Meara Overview CPU BALL COUNTING SENSOR MOTOR WALL SENSOR BALL SENSOR

5. 9-20-00Adam Brissette & Darren O'Meara Mechanical Concepts CONVEYOR FINS RAMP CHAIN CONVEYOR DIRECT DRIVE DC MOTOR FUNNEL CASTER STEPPER DRIVE MOTORS (LEFT+RIGHT) GEARS COLLECTION BIN MOTOR MOUNT

6. 9-20-00Adam Brissette & Darren O'Meara Program Logic Concepts START BALL SENSOR MADE YES RUN CONVEYOR TWO FULL ROTATIONS COUNTING SENSOR INTERRUPT ADD 1 TO VALUE IN MEMORY LEFT WALL SENSOR MADE STEP DRIVE MOTORS NO RIGHT WALL SENSOR MADE RIGHT WALL SENSOR MADE NO YES TURN 10º TO LEFT NO TURN 90º TO RIGHT YES TURN 10º TO RIGHT

7. 9-20-00Adam Brissette & Darren O'Meara Status Report