1. ME 284, Fall 2015
‘ViNMo’ – Vital Neonatal Monitor
Korey Chan Eric Chu
Alberto Lopez Daniel Matthew
Aditya Patil (Project Coordinator)

2. Objectives
• Monitor vital physiological signs of the infant
• Heart Rate
• Temperature
• Body Orientation
• Process gathered data
• Relay data wirelessly

3. Product Design Philosophy
• Comfortable and non-interfering
• Standard layout across all sizes
• Component placement
• Channels for sensor routing
• Pocket for microcontroller/battery module

4. Hardware
• Arduino Nano
• AdaFruit BlueFruit nRF8001
• Particle Photon

5. Sensors - Temperature
• AdaFruit MAX31855 Thermocouple Amplifier
• Omega Inc. K-Type Thermocouple

6. Sensors - Body Orientation
• AdaFruit Flora LSM303 Accelerometer

7. Sensors – Heart Rate
• Pulse Rate Sensor

8. Structural Element
• Component Protection
• Geometrical Constraints
• Cable routing
• Board Placement
• Accessible and Modular
• 3D printed prototype

9. Product Integration

10. Data Handling
• Flow Diagram
• Data Processing – Log reports
‘IF’ actions
Accelerometer
Mobile Device
Wi-Fi
Bluetoot
h
Decision
Orientation
Decision
Log accurate
BPM
Decision
Temperature
Range
Process
Thermocouple Pulse Sensor

11. Demonstration

12. Merits and Limitations
• Wearable
• Wireless
• Low Power
• Aesthetic flexibility
• Data Analytics
• FDA approval pending
• Battery life

13. Future Improvements
• Compliant Moisture Sensor
• Flexible circuit boards
• Bluetooth / Wi-Fi Integrated Controller
• GUI – Customizable Trigger Events
• Improved Battery
• Conductive fabrics
• Gel coating of hardware

14. Challenges / Learning Experience
• Compliant sensors
• Heterogeneous Communication- Pin allocation and RAM
requirements
• Retrofitting crude sensors
• Class Member Function calls and casting data types
• Part hierarchy –Complexity