Project Team: May December 5 th, 2005 Client Iowa State University – Senior Design Faculty Advisor Dr. Degang J. Chen Team Members Wesley Adreon Kong-Wei Soon Wesley Adreon Kong-Wei Soon Andrew Cook Dantrayl Smith Andrew Cook Dantrayl Smith

Presentation Agenda Introductory Materials Introductory Materials Dantrayl Smith Dantrayl Smith End Product Design End Product Design Wesley Adreon Wesley Adreon Circuit Layout and Resources Circuit Layout and Resources Andrew Cook Andrew Cook Financial Requirements and Conclusion Financial Requirements and Conclusion Kong-Wei Soon Kong-Wei Soon

The Purpose Problem Statement Problem Statement Nightlights on the Market Nightlights on the Market Problem Solution Problem Solution Automatic Nightlight Features Automatic Nightlight Features Ability to detect motion on a 180 degree plane Ability to detect motion on a 180 degree plane Ability to distinguish between day time and night time Ability to distinguish between day time and night time Provides a delay before shutting off in case of a person returning to the room Provides a delay before shutting off in case of a person returning to the room Operating Environment Operating Environment Where will it be implemented? Where will it be implemented? Who will use this product? Who will use this product?

Rise to a New Product End-Product End-Product Automated Nightlight Automated Nightlight Assumptions/Limitations Assumptions/Limitations The nightlight could be used all over the world The nightlight could be used all over the world The final product could be built into homes The final product could be built into homes The angle of detection is limited to 180 degrees The angle of detection is limited to 180 degrees The nightlight will only be able to operate between eighteen and twenty-four hours without the AC power The nightlight will only be able to operate between eighteen and twenty-four hours without the AC power

End Product Design Approach Taken Approach Taken Functional Requirements Functional Requirements Detection Detection Design Constraints Design Constraints Size Size Technical Approach Considerations Technical Approach Considerations

Detailed Design The Power Supply The Power Supply AC to DC step-down Power Supply AC to DC step-down Power Supply Auxiliary Battery Auxiliary Battery Light Sensor Light Sensor Phototransistor Phototransistor Infra Red Infra Red Infrared Diode Transmission Infrared Diode Transmission Infrared Detection Infrared Detection Light Emitting Diodes Light Emitting Diodes Visible Illumination Diodes Visible Illumination Diodes Microcontroller Microcontroller

Circuit Layout

Resources Personal NameTime consumption for various tasks in hour ABCDEFGHTotal Wesley Adreon Dantrayl Smith Andrew Cook Kong-Wei Soon Total

Completion Task Task Name Percentage Complete Percentage to be Completed Completion Deadline Task A Project Definition 100%0% September 23, 2005 Task B Technical Consideration 100%0% October 14, 2005 Task C Design Process 35%65% February 8, 2006 Task D Implementation0%100% March 31, 2006 Task E Product Testing 0%100% April 14, 2006 Task F Documentation45%55% April 28, 2006 Task G Product Demonstration 0%100% April 26, 2006 Task H Product Reporting 0%100% April 28, 2006

Financial Requirements ItemCost by individual part Cost by category Project poster’s printing cost$ Electronics parts: PCB board-2200 holes PIC Microcontroller Infrared LEDs (2) Infrared Sensors (2) LEDs (5) 9 V Battery Power transformer Bridge Rec. BJT Switches (4) Photo Transistor Voltage Regulator Passive Components Crystal $ 4.29 $ 3.00 $ 1.00 $ 2.00 $ 3.00 $ 0.50 $ 2.00 $ 0.50 $ 1.00 $ 2.00 $ Plastic case$12.00 Totals$ 80.29

Labor Cost ItemW/O laborWith Labor Miscellaneous electronic parts Poster Postage Plastic case Subtotal $ $ $ $ $ $ $ $ $ $ Labor at $ 11.50/hr $ Wesley Adreon $ Dantrayl Smith $ Andrew Cook $ Kong-Wei Soon Subtotal $ $ $ $ $ Total Project Cost$ 90.79$

Schedule & Conclusion Conclusion Conclusion Rapid Advancement of Technology Rapid Advancement of Technology The Ability to improve home living quality The Ability to improve home living quality Effectively Reduce Electric Consumption Effectively Reduce Electric Consumption

This project would not have been possible without your help; therefore the Project Team May would like to say… Dr. Degang J. Chen Dr. John Lamont Dr. Steve Russell

Questions?