Team Tito’s Burritos Team Tito’s Burritos Kelly Han Kelly Han Kevin Vo Kevin Vo Kyle Mauer (Team Lead) Kyle Mauer (Team Lead) Dr. Aziz Inan ( Faculty Advisor) Dr. Aziz Inan ( Faculty Advisor) Srija Pidaparthy (Industry Advisor) Srija Pidaparthy (Industry Advisor) Dr. Deborah Munro (Client) Dr. Deborah Munro (Client) Dr. Andrew Nuxoll (Instructor) Dr. Andrew Nuxoll (Instructor)

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Average number of steps per day (spd) Average number of steps per day (spd) “Good Health” = 10,000 spd “Good Health” = 10,000 spd “Sedentary” < 5000 spd “Sedentary” < 5000 spd Australia Australia 9,695 spd 9,695 spd Switzerland Switzerland 9,650 spd 9,650 spd Japan Japan 7,168 spd 7,168 spd America America 5,117 spd 5,117 spd

Flex Sensor – Input for posture Flex Sensor – Input for posture Tilt Switch – Input for pedometer Tilt Switch – Input for pedometer Arduino – Processor Arduino – Processor Vibrating Motor – Output for posture Vibrating Motor – Output for posture LCD Readout – Output for pedometer LCD Readout – Output for pedometer

Uni-directional Bend Sensor Uni-directional Bend Sensor Resistance decreases as device is bent Resistance decreases as device is bent Often connected in series with a capacitor to influence timing Often connected in series with a capacitor to influence timing Available in multiple ohm ratings Available in multiple ohm ratings No selection yet No selection yet

Mercury switch influenced by motion and gravity Mercury switch influenced by motion and gravity Many practical applications Many practical applications Roll sensing Roll sensing Fall alarming Fall alarming Fuzes Fuzes

DIY Microcontroller DIY Microcontroller 14 digital I/O pins, 6 analog I/O pins, 16 MHz, 5 Volt operating voltage 14 digital I/O pins, 6 analog I/O pins, 16 MHz, 5 Volt operating voltage USB, AC adaptor, or battery operated USB, AC adaptor, or battery operated “Shields” for easy compatibility “Shields” for easy compatibility Easy to use software Easy to use software Similar to Java Similar to Java

Found in all cell phones, game controllers, etc. Found in all cell phones, game controllers, etc. 2 – 3.6V operating range 2 – 3.6V operating range Plan to integrate 2 – 4 of these for cummerbund Plan to integrate 2 – 4 of these for cummerbund

Only Arduino shield we will use Only Arduino shield we will use Keypad for manual reset Keypad for manual reset 16x2 LCD white character, blue backlight 16x2 LCD white character, blue backlight Only uses 2 pins of the microcontroller Only uses 2 pins of the microcontroller

Five components all need to work independently of each other, yet all are integrated Five components all need to work independently of each other, yet all are integrated Also integrated with the human body Also integrated with the human body Arduino is the right tool, yet we’ve never used a microcontroller Arduino is the right tool, yet we’ve never used a microcontroller Solution Solution Start early Start early Stay ahead of schedule Stay ahead of schedule

To MOSIS or not to MOSIS? To MOSIS or not to MOSIS? Microcontroller suited our needs best Microcontroller suited our needs best Sacrificed experience for easy integration and customization Sacrificed experience for easy integration and customization Did we take on too much? Did we take on too much? Added functionality of the pedometer Added functionality of the pedometer Adds an additional interaction with the human body and additional components Adds an additional interaction with the human body and additional components Bigger budget Bigger budget Broader audience outweighs extra potential for failure Broader audience outweighs extra potential for failure

Documentation and Presentations Documentation and Presentations Design (Nov. 2) Design (Nov. 2) Final Report (Mar. 22) Final Report (Mar. 22) Founder’s Day (Apr. 9) Founder’s Day (Apr. 9) First integration of flex sensor and vibration motors (Nov. 14) First integration of flex sensor and vibration motors (Nov. 14) First integration of tilt switch and LCD readout (Nov. 30) First integration of tilt switch and LCD readout (Nov. 30) Spring – Assemble cummerbund, calibrate, test, tweak Spring – Assemble cummerbund, calibrate, test, tweak

The Posture Pedometer Cummerbund The Posture Pedometer Cummerbund 5 components 5 components Arduino Microcontroller Arduino Microcontroller Marketable Marketable 100k entrepreneur challenge? 100k entrepreneur challenge?

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