Fall CS-EE 480 Lillevik480f04-l1 University of Portland School of Engineering Project Swift Fox Design Review 21 Jan 2005 Peter Brunke Andrew Robinson Sham Al-Roomi Wajdi Al-Shalan
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Overview Block Diagram Interface Descriptions Schematics PCB Layout Program Design Beginning Program Code Test Results Issues
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Block Diagram
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Interface Descriptions 1.SPI Interface between digital components (microcontroller, A-D Converter, Display, EEPROMs) 2.RS232 Interface between system and computer (discrete transistors, higher environmental requirements) 3.Analog Front End: Adjusts signal from accelerometer to match AD converter 4.Power Supply: Supplies a consistent 5v, -12v, 12v, restricts noise from car battery 5.Tachometer Input: Awaiting mechanical engineers to start running motor so output can be obtained.
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Schematics – Highest Level
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Schematics – Highest Level Con’t
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Schematics – RS232 Interface
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Schematics – Power Supply
Spring CS-EE 481 Swift Fox University of Portland School of Engineering
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Schematics – User Interface
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Schematics – Analog Front End
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Software Flowcharts
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Software Flow Charts
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Software Flow Charts
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Software Flowcharts
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Beginning Program Code
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Test Results Power Supply Car: -Voltage spikes up to 5 volts over/under 12v produced by car battery Power Supply Tested: -Maintained Voltage levels required by car RS232 Interface: -Echoed back text input to serial connection to interface. Accelerometer: -Turning it horizontal measured approximately 1G, ~30 mv, will be used to calibrate system
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Issues 1.Test Results From MEs (Motor) 2. Timeline 3. Anything else
Spring CS-EE 481 Swift Fox University of Portland School of Engineering Summary Block Diagram Interface Descriptions Schematics PCB Layout Program Design Beginning Program Code Test Results Issues