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University of Portland School of Engineering - SpO2 Sensor Analog Signal Processing Circuits Review

Review of the development progress of the SpO2 sensor analog signal processing circuits by the University of Portland School of Engineering team. Includes circuit diagram, scorecard, plans, and addressing issues. Key milestones, concerns, and conclusions discussed.

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University of Portland School of Engineering - SpO2 Sensor Analog Signal Processing Circuits Review

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  1. Project RedwoodProgram Review #5 • Advisor • Dr. Joseph Hoffbeck, • Dr. Peter Osterberg • Industry Representative • Andrew Owings (Nike) Team Dan Allenby Preston Boyd Kyle Yakubisin Ross Yamaguchi University of Portland School of Engineering

  2. Overview • Introduction • Circuit Diagram • Scorecard • Plans • Issues/Concerns • Conclusions University of Portland School of Engineering

  3. SpO2 Sensor Analog Signal Processing Circuits MOSIS Chip (Counter, DU, Output Controller) System Clock LED Drivers Seven-Segment Displays Introduction System Block Diagram Of Team Redwood’s Heart Rate Monitor University of Portland School of Engineering

  4. Analog Circuit Diagram University of Portland School of Engineering

  5. Scorecard • March’s Accomplishments: • Finalized construction of prototype including: Display, System Clock, and Analog Circuitry, MOSIS chip • Successfully integrated MOSIS chip • Troubleshoot design flaws • Works of Asians!!! University of Portland School of Engineering

  6. April Plans • Finalize the circuitry positioning in the case & mount the Sp02 female connector • Keep the prototype working properly • Founder’s Day Presentation! • Senior Design Post-mortem University of Portland School of Engineering

  7. Milestones University of Portland School of Engineering

  8. Concerns/Issues • Hope the device is robust enough to last to Founder’s Day (a few diodes have blown out) • We are all very busy, so working as a team is very key to bring this to completion University of Portland School of Engineering

  9. Conclusions • Beginning to see the light at the end of the tunnel • The pieces have come together to make a working prototype • Questions? University of Portland School of Engineering

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