Final Presentation Senior Design 1 November 10, 2009
Randall Vaughan Sine Wave Generation Layout and Design Electrical Engineering Caroline Quijano Op-Amp Configuration Layout and Design Electrical Engineering Zach Jordan Op-Amp Configuration Microcontroller Interfacing Computer Engineering Jonathan Lynch Sine Wave Generation Website Design Circuit Board Production Electrical Engineering
Problem Solution Constraints TechnicalTechnical PracticalPractical Prototype Design Testing of Subsystems Design II Goals
Dr. Jack Liu of the Department of Forestry Products requires the use of a portable RF moisture content sensor Needs a smaller, inexpensive, repackage of his patented prototype
The Actual RF Apparatus [1]
Repackage his working prototype by using integrated circuits to replace test-bench equipment.
Technical Constraints Practical Constraints
Sensor must withstand debris, electrical noise, and moisture Sealed, electrically shielded, rugged housing [2]
Isolated high voltages Partition that separates gap from user interface Appropriate warning labels displayed [3]
Power Supply Amplifier Microcontroller Waveform Generator Display Transmitting/ Receiving Sensors
Oriented Strand Board Capacitive Sensors
XR2206 Waveform Generator
Mean Well PS-05
TLE 2141
PCB Design Enclosure Design Multiple Sensors Build Testing Apparatus
[1] Radio Frequency Evaluation of Oriented Strand Board, by Xiaojian Liu, Starkville MS. [Online]Available: %20RADIO%20FREQUENCY%20EVALUATION%20OF%20ORIENTED%20STRAND%20BOARD.p df?sid=&mbox=INBOX&charset=escaped_unicode&uid=2012&number=7&filename=XiaojianLi uDissertation%20- %20RADIO%20FREQUENCY%20EVALUATION%20OF%20ORIENTED%20STRAND%20BOARD.p df. [2] Microsoft Office Online, Clip Art us/clipart/results.aspx?qu=warning&sc=20. [3] Google Images [4] Forestry Facts: Guide for Using the Oven-Dry Method for Determining the Moisture Content of Wood, by R.S Boone and E.M. Wengert, Madison, Wisconsin, [Online] Available: [5] Wood Products Notes: Methods of Moisture Content Measurement in the Lumber and Furniture Industries, by Phil Mitchell, Raleigh, NC. [Online]Available: [6] United States of America. Federal Communications Commission. Code of Federal Regulations, Title 47, Part 15. Washington, D.C.: Federal Communications Commission, [7] Panel Layup Operations, by Phil Mitchell, Raleigh, NC. [Online] Available: