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Critical Design Review Capstone Lab 2009 Steven Sorenson  Anand Suchak John Strueber Greg Smith Kristen Aragon
<ul><li>Overview </li></ul><ul><li>Core Functionality </li></ul><ul><li>System Breakdown </li></ul><ul><li>Risks </li></ul...
<ul><li>We will be creating an interface for a mp3 player to allow for button-less control. </li></ul><ul><li>We will also...
<ul><li>Song Control </li></ul><ul><ul><li>Previous/Next track </li></ul></ul><ul><ul><li>Play/Pause </li></ul></ul><ul><u...
John
<ul><li>Using two ATTiny µcs </li></ul><ul><ul><li>One operating as Master of I2C, other as Slave </li></ul></ul><ul><li>O...
Steven
Steven
Steven
<ul><li>SiRF Star III chipset </li></ul><ul><ul><li>Antenna Gain: 3.5dB </li></ul></ul><ul><ul><li>Low power:3.3 V at 75 m...
<ul><li>BlueSMiRF Gold Modem </li></ul><ul><ul><li>Works for TX/RX from 9600 to 115200bps </li></ul></ul><ul><li>Specifica...
Anand
<ul><li>LG Rumor II </li></ul><ul><li>Google G1 Android </li></ul><ul><ul><li>Both support AVRCP Bluetooth protocol </li><...
Kristen
Kristen
<ul><li>Single supply CMOS operational Amplifier </li></ul><ul><ul><li>Low Offset Voltage 5µV (max) </li></ul></ul><ul><ul...
<ul><li>Micro-Power, Zero-Drift, Rail-to-Rail Out Instrumentation Amplifier </li></ul><ul><ul><li>Low Offset Voltage 25µV ...
<ul><li>Proximity detection by measuring capacitance </li></ul><ul><li>MC33941 generates a high purity e-field by emitting...
<ul><li>When an object is brought close to an electrode an electric path is formed </li></ul><ul><li>This produces a chang...
 
 
Greg
Greg
Greg
 
Greg
Greg
Greg
Greg
Greg
Greg
<ul><li>Electromagnetic fields caused by surroundings </li></ul><ul><li>Weather/Shock Proofing </li></ul><ul><li>Inadequat...
Anand Component  Product  Quantity  Cost  Central Microcontroller AVR ATTiny261  3  $7.50  Boot Microcontroller MSP430 F20...
Anand Kristen Greg Steven Anand John Electro Field Imaging X L Phone Interface L Boot Sensors X L Power L X Boot Microcont...
John
<ul><li>CDR </li></ul><ul><ul><li>Sensing component working </li></ul></ul><ul><li>First Milestone </li></ul><ul><ul><li>F...
 
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  • 05/09/10 00:05 © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
  • 05/09/10 00:05 © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
  • 05/09/10 00:05 © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
  • Transcript of "(5.9 MB PowerPoint)"

    1. 1. Critical Design Review Capstone Lab 2009 Steven Sorenson Anand Suchak John Strueber Greg Smith Kristen Aragon
    2. 2. <ul><li>Overview </li></ul><ul><li>Core Functionality </li></ul><ul><li>System Breakdown </li></ul><ul><li>Risks </li></ul><ul><li>Budget </li></ul><ul><li>Division of Labor </li></ul><ul><li>Schedule </li></ul><ul><li>Questions </li></ul>Kristen
    3. 3. <ul><li>We will be creating an interface for a mp3 player to allow for button-less control. </li></ul><ul><li>We will also be creating a perfomance data collector that will keep track of position, heart rate, g-forces and accidents. </li></ul><ul><li>This would be useful in situations where you cannot easily access the mp3 player and it will also provide the user with feedback from the day. </li></ul>Kristen
    4. 4. <ul><li>Song Control </li></ul><ul><ul><li>Previous/Next track </li></ul></ul><ul><ul><li>Play/Pause </li></ul></ul><ul><ul><li>Volume Up/Down </li></ul></ul><ul><li>Wireless Control </li></ul><ul><li>Monitoring </li></ul><ul><ul><li>GPS </li></ul></ul><ul><ul><li>Heart Rate Monitor </li></ul></ul><ul><ul><li>Accelerometers </li></ul></ul><ul><ul><li>Pressure Sensors </li></ul></ul>Kristen
    5. 5. John
    6. 6. <ul><li>Using two ATTiny µcs </li></ul><ul><ul><li>One operating as Master of I2C, other as Slave </li></ul></ul><ul><li>On-chip UARTs dedicated to Bluetooth and GPS modules </li></ul><ul><li>Need one more UART for SD card memory </li></ul><ul><ul><li>Using Phillips SC16IS740 bridge connected to I2C bus </li></ul></ul><ul><li>EFI and ECG sensors will interface over ADC </li></ul>John
    7. 7. Steven
    8. 8. Steven
    9. 9. Steven
    10. 10. <ul><li>SiRF Star III chipset </li></ul><ul><ul><li>Antenna Gain: 3.5dB </li></ul></ul><ul><ul><li>Low power:3.3 V at 75 mA </li></ul></ul><ul><li>Outputs NMEA sentences over serial connection </li></ul><ul><li>Master µc will parse NMEA to extract location & time data </li></ul>Anand
    11. 11. <ul><li>BlueSMiRF Gold Modem </li></ul><ul><ul><li>Works for TX/RX from 9600 to 115200bps </li></ul></ul><ul><li>Specifications </li></ul><ul><ul><li>Power Consumption: 25mA </li></ul></ul><ul><ul><li>Operating Voltage:3.3V-6V </li></ul></ul><ul><ul><li>Frequency: 2.4-2.524GHz </li></ul></ul><ul><ul><li>Serial Communication:2400-115200bps </li></ul></ul>Anand
    12. 12. Anand
    13. 13. <ul><li>LG Rumor II </li></ul><ul><li>Google G1 Android </li></ul><ul><ul><li>Both support AVRCP Bluetooth protocol </li></ul></ul>Anand
    14. 14. Kristen
    15. 15. Kristen
    16. 16. <ul><li>Single supply CMOS operational Amplifier </li></ul><ul><ul><li>Low Offset Voltage 5µV (max) </li></ul></ul><ul><ul><li>Zero Drift 0.05µV/°C (max) </li></ul></ul><ul><ul><li>Single-Supply Operation </li></ul></ul><ul><ul><li>MicroSize Packaging </li></ul></ul>Kristen
    17. 17. <ul><li>Micro-Power, Zero-Drift, Rail-to-Rail Out Instrumentation Amplifier </li></ul><ul><ul><li>Low Offset Voltage 25µV (max) </li></ul></ul><ul><ul><li>Low Drift 0.1µV/°C </li></ul></ul><ul><ul><li>Low Noise 50nV/ </li></ul></ul><ul><ul><li>Built in RFI filtered inputs </li></ul></ul><ul><ul><li>Micro Power </li></ul></ul><ul><ul><li>Microsize </li></ul></ul>Kristen
    18. 18. <ul><li>Proximity detection by measuring capacitance </li></ul><ul><li>MC33941 generates a high purity e-field by emitting a sine wave at a low frequency (125kHz) </li></ul><ul><li>Measuring attenuations suffered by this field </li></ul>
    19. 19. <ul><li>When an object is brought close to an electrode an electric path is formed </li></ul><ul><li>This produces a change in e-field current </li></ul><ul><li>Sensor measures the AC impedance of the generated e-field and outputs a DC voltage </li></ul><ul><li>External microcontroller then processes the signal </li></ul>
    20. 22. Greg
    21. 23. Greg
    22. 24. Greg
    23. 26. Greg
    24. 27. Greg
    25. 28. Greg
    26. 29. Greg
    27. 30. Greg
    28. 31. Greg
    29. 32. <ul><li>Electromagnetic fields caused by surroundings </li></ul><ul><li>Weather/Shock Proofing </li></ul><ul><li>Inadequate resolution of sensing fields </li></ul><ul><li>Not being able to reduce size to what we want </li></ul><ul><li>Accelerometer might not function well in low temperatures </li></ul>Anand
    30. 33. Anand Component Product Quantity Cost Central Microcontroller AVR ATTiny261 3 $7.50 Boot Microcontroller MSP430 F2003 1 Donated Printed Circuit Boards 4 $132 Bluetooth Modem BlueSMiRF Gold (WRL-00582) 1 $65 Mp3 player 1 $50 Push Button 1 $2 Battery Lithium Ion Polymer Lithium Ion 11.1V 2000mAh 1 $40 Housing Components and Miscellaneous Acrylic, Velcro, Polystyrene, Copper wire, - $150 Electric Field Sensor MC33941 2 Donated Pressure Sensor 1 $5 Development Board for EFI Sensor KITMC33941EVM 1 $100 Accelerometer ADXL335 1 $16 SRAM KM68257CP-15 1 $8 GPS antenna 20 channel GS405 1 $90 ECG Parts INA333, OPA2335, resistors, capacitors $30 Total $693.50
    31. 34. Anand Kristen Greg Steven Anand John Electro Field Imaging X L Phone Interface L Boot Sensors X L Power L X Boot Microcontroller L Wireless L X ECG L GPS L Chest Microcontroller L Data Storage L
    32. 35. John
    33. 36. <ul><li>CDR </li></ul><ul><ul><li>Sensing component working </li></ul></ul><ul><li>First Milestone </li></ul><ul><ul><li>Full prototype </li></ul></ul><ul><li>Second Milestone </li></ul><ul><ul><li>Prototype reworked to within size constraints </li></ul></ul><ul><li>Capstone </li></ul><ul><ul><li>Completely working Project </li></ul></ul>John
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