Senior Design

1University of Portland School of Engineering

Team Without LimitsSelf-Ordering Bocce Balls

• Team– Michael Chhor– Sean Pfister– Allan Young– Brent Groulik

AdvisorDr. Joseph Hoffbeck

Industry RepresentativeN/A

Senior Design

2University of Portland School of Engineering

Introduction

Pallino Bocce Ball Handheld Device

Sense SenseProcess Process Actuate

Our project automatically orders Bocce balls with respect to their relative proximity to the Pallino. This will eliminate the need for the players to physically determine the order of the balls.

Senior Design

3University of Portland School of Engineering

Scorecard

• Enjoyed Christmas Break• Continued working when we returned

Senior Design

4University of Portland School of Engineering

Additional Accomplishments

• Sent and sensed a wireless RF signal• Hooked up mounted acoustic sensors• Continued to update website

– Pictures and videos

• Ordered more parts – Acoustic transmitter pair– Logic shift chips (steps down voltage PIC ->

XBee)

Senior Design

5

Recent Pictures

University of Portland School of Engineering

1 Hz Circuit

Wired RF Connection

Senior Design

6

Videos

http://teaching.up.edu/srdesign/AY12/WithoutLimits/photos.htm

University of Portland School of Engineering

Senior Design

7University of Portland School of Engineering

Plans

• Test acoustic receivers and transmitters• Interface acoustic system with RF stystem• Ordered more PICs, build more boards

Senior Design

8University of Portland School of Engineering

Milestones (Recent past and near future)

Status Description OriginalTarget

PreviousTarget

PresentTarget

Completed RF Modules Purchased 5 Nov 11 5 Nov 11 5 Nov 11

Completed Design Document 0.9v 12 Nov 11 12 Nov 11 12 Nov 11

Completed Final Budget 12 Nov 11 12 Nov 11 12 Nov 11

Completed Design Document 1.0v 19 Nov 11 19 Nov 11 19 Nov 11

Completed Selection of Acoustic Modules

14 Oct 11 14 Oct 11 5 Nov11

Completed RF to PIC Interfaced 26 Nov 26 Nov 11 6 Feb 12

Completed November Program Review 2 Dec 11 2 Dec 11 2 Dec 11

Completed Peer Evaluations/ Lab Notebooks 5 Dec 11 5 Dec 11 5 Dec 11

On Track January Program Review 27 Jan 12 27 Jan 12 27 Jan 12

Hopeful Acoustic Receiver to PIC 3 Feb 12 3 Feb 12 3 Feb 12

On Track BBR Receives Acoustic 6 Feb 12 6 Feb 12 6 Feb 12

Very Wishful BBR sends and receives 13 Feb 12 13 Feb 12 13 Feb 12

Senior Design

9University of Portland School of Engineering

Concerns/Issues

• 741 Op Amps might not have enough current to power speaker

• Interfacing acoustic receiver to PIC

Senior Design

10University of Portland School of Engineering

Conclusions

• Making good progress. Designs seem to be working out.