1. Mid-Semester Presentation Senior Design I February 18, 2010

2. Appliance Texter Team Casey Cook Perriea Wiley Steven Howell Steven Cullen Raymond Winton

3. Outline Introduction Problem Solution Constraints Technical Practical Hardware Wiring Configuration Technical Tradeoffs Timeline Expectations Project Progression

4. Problem (s) Power Consumption Safety Worries Time Consumption

5. Solution Allow consumers the ability to remotely monitor and control the state of their home appliances. Wireless Communication via (SMS) Wireless Controls via (SMS)

6. -Hardware Block Diagram- System Overview

7. Project Constraints Technical Practical

8. Technical Constraints

9. Practical Constraints

10. Social – Simple: Many Service Providers

11. Easy Setup Plug it in Insert sim card Text User – Friendly Majority of population knows how to text

12. Manufacturability - Size Appeal Users don’t want a bulky product. Compatibility Must fit the NEMA 5 standard

13. Project Trade - Offs

14. Power Source Power sourcePriceLongevityComplexityMantenance SwitchingLowHighLowNone BatteryMediumLowMedium

15. Switch Selection Price RangeSizeReliability Solid State RelayHigh($35.20)SmallHigh Mechanical RelayLow($2.50)Medium TriacMedium($9.07)MediumHigh

16. Service Network PriceSetupPlansProviders GsmLowestEasyMany CdmaMediumComplexFew

17. Timeline JanuaryFebuaryMarchApril Research Hardware Testing Programming Prototype Testing Optimizing

18. Progression

19. Parts - Info GSM Module Relay Current SensorPower Supply

20. Testing

23. References [1] Digi-Key Power Supply 3.3V, 2009 [Online] Available: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=285-1887-ND [2] Quad Band GSM864 Module, 2009 [Online] Available: http://www.semiconductorstore.com/cart/pc/viewPrd.asp?idproduct=42884 [3]Tyco Electronics Catalog 1308242 Issued 3-03 [Online] Available http://www.tycoelectronics.com/catalog/bin/TE.Connect?C=1&M=BYPN&TCPN= 1308242&RQPN=1308242 [4] Jumping the Colts’ route, Jed Jacobsohn/Getty Images 2010 [Online] Available http://espn.go.com/blog/nfcnorth/post/_/id/9853/jumping-the-colts-routes [5] Studies show Latinos Climb Socio-Economic Ladder, Walter Ewing. [Online] Available: [6]http://immigrationimpact.com/2009/12/07/studies-show-latinos-climb-socio- economic-ladder-of-success/ [7] http://www.brad.ac.uk/img/2004/Text%20Messaging%202.jpg [8] http://www.gsmworld.com/roaming/GSM_AmericasPoster2009A.pdf [9] http://ronpai2.files.wordpress.com/2009/01/text-messaging.jpg [10] http://www.att.com [11] http://farm3.static.flickr.com/2658/3811881764_e60231b3af_o.jpg [12] http://www.biztoolbelt.com/uploads/razorbook-400-mini-laptop-thumb.jpg

24. Questions?