1. Team Mio

2. Project: Solid-State Thermostat for Peltier Beverage Temperature Control
Team Members
Kristian Liwanag
Gregory Brady
Adrienne Suñer
Jackie Floyd
Faculty Advisor
Dr. Peter Osterberg
Industry Representative
Steve Westdal, Insitu, Inc.
Client
Sarah Anderson, Owner, Anna Bananas Cafe

3. Outline Project Refresher Design Process Accomplishments Concerns
Plans

4. Project Refresher
Double-insulated
Off-the shelf

5. Project Refresher (Hysteresis)
Heat
Off
Heat
Off
55°C
52°C
Heat
25°C
Cool
8°C
Cool
Off
5°C
Off
Cool
2°C

6. Top Level Block Diagram
Adrienne – thermocouple, ADC
Thermocouple received
Initial ADC design complete
Testing design
Kristian – MOSIS; includes the clock
Initial MOSIS EDF files complete
Greg – BCD-to-7 segment decoder, peltier device
Decoder received
Peltier received and tested
Jackie – BJT switch
Initial BJT switch design complete

7. Cup with Thermocouple

8. Top Level Block Diagram
Adrienne – thermocouple, ADC
Thermocouple received
Initial ADC design complete
Testing design
Kristian – MOSIS; includes the clock
Initial MOSIS EDF files complete
Greg – BCD-to-7 segment decoder, peltier device
Decoder received
Peltier received and tested
Jackie – BJT switch
Initial BJT switch design complete

9. Op Amps, ADC, EEPROM

10. Top Level Block Diagram
Adrienne – thermocouple, ADC
Thermocouple received
Initial ADC design complete
Testing design
Kristian – MOSIS; includes the clock
Initial MOSIS EDF files complete
Greg – BCD-to-7 segment decoder, peltier device
Decoder received
Peltier received and tested
Jackie – BJT switch
Initial BJT switch design complete

11. MOSIS IC Design

12. Top Level Block Diagram
Adrienne – thermocouple, ADC
Thermocouple received
Initial ADC design complete
Testing design
Kristian – MOSIS; includes the clock
Initial MOSIS EDF files complete
Greg – BCD-to-7 segment decoder, peltier device
Decoder received
Peltier received and tested
Jackie – BJT switch
Initial BJT switch design complete

13. BJT Switch and Peltier Circuit

14. Top Level Block Diagram
Adrienne – thermocouple, ADC
Thermocouple received
Initial ADC design complete
Testing design
Kristian – MOSIS; includes the clock
Initial MOSIS EDF files complete
Greg – BCD-to-7 segment decoder, peltier device
Decoder received
Peltier received and tested
Jackie – BJT switch
Initial BJT switch design complete

15. LED Displays

16. Design Process

17. Milestones Status Description Due Date Completion Date Completed
Characterization of Thermocouple, ADC, Peltier Device, and BJT Switches
11/12/2012
01/24/2013
Remaining Project Components Ordered and received
01/13/2013
Macro-model Built
01/25/2013
In Progress
January Program Review -
Accomplishments since last PR According to Formal Milestones
Functional Specification v1.0 approved
Top Level MOSIS Block Diagram completed
Component selection completed with parts ordered; thermocouple, peltier, 7-segment displays, BCD decoder received and tested
Initial MOSIS design complete
Milestones for November
Continue working with Fatima Villatoro to complete project business assessment
Finish Design Document
Finalize MOSIS design
Order all remaining parts

18. Accomplishments Macro-model built Mug built with thermocouple
555 timer characterized

19. Cooling Demonstration
Macro-model (Demo)
Cooling Demonstration

20. Concerns
Heat dissipation on the BJT circuit

21. Plans Debug macro-model Finish programming the EEPROM
Construct the user interface
Construct circuitry casing and base contents

22. Questions? Gregory Brady (Spring Semester Team Lead / Peltier/Arduino)
Kristian Liwanag (Fall Semester Team Lead / MOSIS / 555 timer)
Adrienne Suñer (Treasurer / Thermocouple / ADC / Cup)
Jackie Floyd (Secretary / BJT Switches / Base)