Senior Design 1 University of Portland School of Engineering

Senior Design 2 Project Gray Wolf Propeller Display Team –Brent Piriyakarnjanakul –David Lewis –Tom Fuchs University of Portland School of Engineering Advisor Dr. Aziz Inan, Dr. Osterberg Industry Representative Dr Sig Lillevik Intel Corp.

Senior Design 3 Introduction  Device Description  Uses Persistence of Vision to create illusion.  Rotating LED Display. University of Portland School of Engineering  Purpose and Benefits of Device  It’s a fascinating new way to create images.  It benefits the owner and viewer.

Senior Design 4 Project Status  Chips are currently fully programmed  Clock speed needs adjusting  Burnt LEDs need replacing  PCB and surface mount LEDs expected to arrive any day University of Portland School of Engineering

Senior Design 5 University of Portland School of Engineering

Senior Design 6 Scorecard March  Construct the prototype and Debug  Attach circuit board to motor  Secure the motor  Attach logic components to the board (wirewrapping)  Power circuit board  Program Gal chips to replace CPLD (Canceled)  Implement basic displays (Incomplete) University of Portland School of Engineering

Senior Design 7 Plans April  Debug prototype  Goal being a fully stable image and functional device  Complete Final Report  Approval from Advisor and Industry Rep.  Founders Day  Presentation Plan University of Portland School of Engineering

Senior Design 8 University of Portland School of Engineering Milestones StatusDescriptionOriginal Target Previous Target Present Target MissedPower supply to board complete 22 Jan 11 3 Mar 11 CompletedPIC interfaced with lights5 Feb 11 MissedBasic PIC Functionality12 Feb Feb 11 MissedMOSIS Interfaced to PIC19 Feb Feb 11 MissedClock Hands Functional26 Feb Mar 11 MissedFully Functional Device5 Mar Mar 11 CompletedFinal Report Ver Mar 11 MissedAdditional Functionality Programmed 19 Mar 11 On TimeFinal Report Ver Mar 11 1 Apr 11

Senior Design 9 Concerns/Issues  Debugging of Circuit  CPLD and PIC communication  PIC programming  Clock Speed 555 timer resistor values  Displaying an Image  LEDs currently show in stable but inconsistent lines  Some LEDs appear to be burnt out University of Portland School of Engineering

Senior Design 10 Conclusions  Accomplishments:  Full construction of device  Goals:  Fully functional device University of Portland School of Engineering

Senior Design 11 University of Portland School of Engineering

Senior Design 12 University of Portland School of Engineering