1. Opto-Electric Guitar Pickup Multidisciplinary Senior Design I RIT Spring/Fall 13323

2. Project Background Replace traditional electromagnetic-based pick ups with photo-electronic one Create aftermarket photo-electronic pickup for acoustic guitar Objectives: – Detection of fundamental tones – Ability to switch between digital and analog processing paths – Maintain original structure and functionality of the guitar

3. Outline – Detailed Design Review Team Members Waveform Measurements Updated Block Diagram Schematics Mechanical Drawings Updated Risk Assessment Bill Of Materials Test Plan & MSD II Schedule

4. Team Members Rachel Arquette (Project Manager) (EE) Caroline Lichtenberger (Lead Engineer) (EE) Joe Mauger (EE) Christopher Perry (EE) Christopher Steele (ME) Paul Hoops (EE) Ye Kuang (EE)

5. Waveform Measurements See Attachment #1 Sensor Output includes baseband content Microphone Reading shows broader spikes (See especially the second spike below) Sensor OutputMicrophone Reading

6. Updated Block Diagram

7. Project Requirements & Goals Project Requirement (Customer Needs) – See Attachment #3 Customer Needs

8. Project Requirements & Goals (2) Project Specifications – See Attachment #4 Specifications

9. Schematic - Sensor Functional Decomposition – See Attachment #5 High-Level Functional Decomposition

10. Schematic - Analog Path Mount Devices Functional Decomposition Branch

11. Schematic - Digital Path

12. Schematic – Power Management

13. Mechanical Drawings Display Status Functional Decomposition Branch

14. Update Risk Assessments Resistors available are closest approximation to calculated value

15. Bill Of Materials Morphological Chart Part 1

16. Schedule of MSD II Suggested Timeline ->

17. Schedule of MSD II Adjusted Timeline ->

18. Test Plan – Iterative Mechanical: Finalize a functional adjustable harness system for processors and sensors Analog: Simulate final values; document experimental waveform outputs; compare to simulated and digital Digital: Document waveform outputs; compare to analog Misc. Electrical: Design and order PCB’s, assemble, employ guitarist to test both data paths through electric amplifier

19. Questions?