Team Mio
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
Outline Project Refresher Design Process Accomplishments Concerns Plans
Project Refresher Double-insulated Off-the shelf
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
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
Cup with Thermocouple
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
Op Amps, ADC, EEPROM
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
MOSIS IC Design
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
BJT Switch and Peltier Circuit
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
LED Displays
Design Process
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
Accomplishments Macro-model built Mug built with thermocouple 555 timer characterized
Cooling Demonstration Macro-model (Demo) Cooling Demonstration http://www.youtube.com/watch?v=zELwBjQrW4k&edit=vd
Concerns Heat dissipation on the BJT circuit
Plans Debug macro-model Finish programming the EEPROM Construct the user interface Construct circuitry casing and base contents
Questions? Gregory Brady (Spring Semester Team Lead / Peltier/Arduino) bradyg13@up.edu Kristian Liwanag (Fall Semester Team Lead / MOSIS / 555 timer) liwanag13@up.edu Adrienne Suñer (Treasurer / Thermocouple / ADC / Cup) suner13@up.edu Jackie Floyd (Secretary / BJT Switches / Base) floyd13@up.edu