1. [ Rhythm Reloaded ] Team 6 2nd Progress Presentation

2. Team 6 Reintroduction Andy Gabler Ben Moes Nathan Brinks David van Geest

3. Outline I.Project Reintroduction II.Design Norms III.Wireless Decision IV.Progress V.Challenges VI.Lessons Learned VII.Questions

4. Project Reintroduction An electronic stethoscope that will: An electronic stethoscope that will: Aid in auscultation Aid in auscultation Record digital audio data from the patient Record digital audio data from the patient Perform frequency filtering Perform frequency filtering Store the audio files on the device Store the audio files on the device Transfer the audio files to a computer via USB Transfer the audio files to a computer via USB Contain these features in a convenient media- player like form-factor Contain these features in a convenient media- player like form-factor ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

5. Design Norms Transparency: must be easy to use, no technical experience required Transparency: must be easy to use, no technical experience required Stewardship: must protect the user, patient, and environment. HIPAA, Latex Free, RoHS Stewardship: must protect the user, patient, and environment. HIPAA, Latex Free, RoHS Integrity: must provide an accurate representation of the sounds produced by the body Integrity: must provide an accurate representation of the sounds produced by the body ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

6. Wireless Decision Pros of Wireless: Pros of Wireless: No Wires! No Wires! Simpler for User Simpler for User Professional Professional Cons of Wireless: Cons of Wireless: Separate Power Supply Separate Power Supply Fidelity Fidelity Cost Cost ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

7. Wireless Decision Considerations Considerations Wireless Options Wireless Options Range Range Reliability Reliability Not too much more work Not too much more work Development Time Development Time ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

8. Wireless Decision Choice: F2M03MLA: Choice: F2M03MLA: Benefits: Benefits: Made for Streaming 16bit Audio Made for Streaming 16bit Audio Small Efficient Package Small Efficient Package Full FCC Qualification Full FCC Qualification Built in Firmware Built in Firmware Deterrents: Deterrents: Cost Cost ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

9. Technical Block Diagram ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

10. Progress IP Issue IP Issue Firmware in Flash Firmware in Flash Bootloader is Complete Bootloader is Complete PCB daughter boards are ordered PCB daughter boards are ordered Filters are working in Matlab Filters are working in Matlab Chest Piece Design done Chest Piece Design done Driver design is progressing Driver design is progressing ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

11. Challenges Driver Design Driver Design Software Software Final Prototype Development Final Prototype Development ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

12. Open Source /= Functional Open Source /= Functional Intellectual Property Concerns Intellectual Property Concerns Publicity = More Pressure Publicity = More Pressure ReintroductionDesign Norms Wireless ProgressChallengesLessons Learned

13. Questions?