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Micro Strain GaugeWireless Real Time Measurement     Andrew Grimaldi & Sarah Satterlee                                    ...
Project Goals• Design and implement a product as a team in one  quarter.• Use good project management• Work with our produ...
The Strain Gauge• A device to measure the  compression or stretch of a  physical member• Movement produces small  changes ...
High Level Specifications• Use TI’s MAVRK Platform• Design and produce a wireless device to transmit  strain gauge data• A...
Functional Level SpecificationsTransmitter:• Use multiple ADS1234 ADC’s to read values through  precision Wheatstone Bridg...
Functional Level SpecificationsReceiver:• Use MAVRK’s CC1101 radio module• Receive multiple handles from multiple transmit...
System Block-Diagram Overview
Transmitter Schematics
Transmitter Schematics (cont)
Project Management• Project managed by: •   Confluence •   JIRA •   Agile SCRUM •   SVN Collaboration: • Weekly Friday mee...
Project Management (cont)• JIRA • Kept us on task • Provided organization • Showed us our   performance • Showed overall  ...
Project Management (cont)
Learning Outcomes• Time management is critical• Documentation is paramount• How to work effectively as a team• Communicati...
Improvements• More advanced GUI• Build a PCB• Physical case• Complete 2-way communication for configuration
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Micro Strain Gauge Wireless Real Time Measurement

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Micro Strain Gauge Wireless Real Time Measurement

  1. 1. Micro Strain GaugeWireless Real Time Measurement Andrew Grimaldi & Sarah Satterlee E S D I I I S P G 1 2 T 3
  2. 2. Project Goals• Design and implement a product as a team in one quarter.• Use good project management• Work with our product owners:  Texas Instruments (MAVRK Team)  Mechanical Engineering Technology Department Develop a Wireless Micro-Strain Gauge DAQ System
  3. 3. The Strain Gauge• A device to measure the compression or stretch of a physical member• Movement produces small changes in resistance• The more sensors the more accurate
  4. 4. High Level Specifications• Use TI’s MAVRK Platform• Design and produce a wireless device to transmit strain gauge data• Allow up to 24 channels of data per device• Have the capability to have multiple devices• Develop a GUI to interact with the device• Provide detailed documentation
  5. 5. Functional Level SpecificationsTransmitter:• Use multiple ADS1234 ADC’s to read values through precision Wheatstone Bridges.• Use discrete latches to hold configuration data for each ADS1234• Use a DP4T analog switch to access SPI on different chips.
  6. 6. Functional Level SpecificationsReceiver:• Use MAVRK’s CC1101 radio module• Receive multiple handles from multiple transmitters• Forward a 15-Byte data packet to the PC• Use QT Tools to create a GUI: • Serial Communication • PC Packet Decoding • Real-Time Data Graphs • Transmitter Settings Configuration
  7. 7. System Block-Diagram Overview
  8. 8. Transmitter Schematics
  9. 9. Transmitter Schematics (cont)
  10. 10. Project Management• Project managed by: • Confluence • JIRA • Agile SCRUM • SVN Collaboration: • Weekly Friday meetings • Monday night lab • E-mail, text, verbal
  11. 11. Project Management (cont)• JIRA • Kept us on task • Provided organization • Showed us our performance • Showed overall progress
  12. 12. Project Management (cont)
  13. 13. Learning Outcomes• Time management is critical• Documentation is paramount• How to work effectively as a team• Communication skills
  14. 14. Improvements• More advanced GUI• Build a PCB• Physical case• Complete 2-way communication for configuration

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