1. Project Snake Automated Guitar String Tuner
Team
Kenneth Aramaki
Kevin Atebara
Petra Carlson
Kevin Vitayaudom
Advisor
Dr. Albright
Industry Representative
Mr. Howard Voorheis
Fluke Instruments, Ret.
November, 2005
University of Portland School of Engineering

2. Overview Introduction Scorecard Additional Accomplishments Plans
Issues/Concerns
Conclusions
November, 2005
University of Portland School of Engineering

3. Introduction What it does? How it works? Benefits November, 2005
University of Portland School of Engineering

4. Scorecard November’s Plans Completed Shortcomings
Testing of Frequency, Rotational Hysteresis, and Torque
Project Plan
Research and Purchase More Parts
Completed
Torque Required
Rotational Hysteresis Resolved
Project Plan Approved
Shortcomings
Frequency Testing
Research & Purchase Parts
November, 2005
University of Portland School of Engineering

5. Additional Accomplishments
Modeled in SIMULINK
Linearity Calculations
Low-Pass Filter Testing
Updated Webpage
November, 2005
University of Portland School of Engineering

6. Plans Finalize design release Design Approval Meeting Order Parts
Circuit layout
Identify parts and part values needed for design
Design mechanical mountings for guitar
Design Approval Meeting
Order Parts
The Snake!
November, 2005
University of Portland School of Engineering

7. Milestones 1 Product Pre-Approval 9/15/05 9/20/05 2
Number
Description
Original
9/29/05
Previous
11/9/05
Present
11/28/05 1
Product Pre-Approval
9/15/05
9/20/05 2
Functional Spec 1.0
10/7/05
10/12/05 3
Finalize Parts Needed
10/3/05
11/25/05 4
Project Approval
10/14/05 5
Order Parts
10/24/05
12/16/06 6
Plans 1.0
11/17/05 7
Design Release
12/9/05 8
Receive Parts
1/18/05 9
TOP Approval
2/24/05 10
System Integration
3/9/05 11
Prototype Release
4/7/05 12
Founders Day
4/11/05 13
Final Written Report
4/28/05
November, 2005
University of Portland School of Engineering

8. Concerns/Issues Concerns/Issues: Accuracy of model
Amplitude of guitar signal
Accuracy of Low Pass Filter
Budget
November, 2005
University of Portland School of Engineering

9. Conclusions Updated Project Approach Plans Status Check
Additional Accomplishments
Milestones Update
Concerns/Issues
Questions?
November, 2005
University of Portland School of Engineering