Project case study

Intra-Oral Respirometer

A miniaturized multimodal intra-oral wearable designed for continuous respiratory and cardiovascular monitoring during physical activity and clinical rehabilitation, integrating custom electronics, embedded firmware, and wireless biofeedback.

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Overview

From need to functional engineering system.

The system integrates pressure sensing, PPG, IMU, FSR, BLE, haptic feedback, battery management, and wireless charging within a compact intra-oral assembly and real-time interface.

My contribution

  • Designed the full hardware architecture of the device.
  • Designed and laid out the main PCB and miniaturized PPG board.
  • Integrated physiological sensing, BLE, haptics, battery management, and wireless charging.
  • Developed assembly and encapsulation workflows for the intra-oral device.
  • Validated system performance under static and dynamic conditions in ten participants.
Project material

Real hardware, layouts, and results.

Intra-oral respirometer during experimental handlingAssembled intra-oral respirometerFunctional and charging configurationsMain board layoutRigid and flexible PPG board layoutsRigid and flexible PPG boardsFlexible PPG assemblyDevice encapsulation
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