1. ECE4006 Senior Design Project Linda Milor and Jay Schlag linda.milor@ece.gatech.edu jhs@ece.gatech.edu

2. Project Inputs Level Converter Parallel Digital Inputs If the components do not use compatible voltage and current levels: If you need to interface to more inputs than allowed for your processor: MUX

3. Signals Synchronous Digital Data Asynchronous Digital Analog Clock

4. Pulse Generation Comparator In Out

5. Isolation +5v Relay LED Photo Transistor Processor +110v motor Optical Isolator Processor

6. Analog to Digital Converters Analog Digital Converter Start End of Conversion

7. Slope Converter Input Slope Time Voltage or Current 1.Slow 2.Expensive 3.Not Sensitive to Noise 4.Accurate 5.Large Application: Digital Voltmeter Temperature Meter

8. Approximation Converter Input Time Voltage or Current 1.Medium Fast 2.Cheap 3.Sensitive to Noise 4.Medium Accurate 5.Small Application: General Purpose

9. Flash Converter 1.Very Fast 2.Very Expensive 3.Sensitive to Noise 4.Not Accurate 5.Small Application: Extreme High Frequency Comparator 0.75Vdd 0.5Vdd 0.25Vdd

10. Project Outputs Level Converter Parallel Digital Outputs If the components do not use compatible voltage and current levels: If you need more outputs, i.e. if you are using multiple processors: Register Bank Strobe

11. Signals Synchronous Digital Data Asynchronous Digital Analog Clock

12. Isolation +5v Relay LED Photo Transistor Processor +110v motor Optical Isolator Processor

13. Driving Loads V Drive Transistor Load V Drive Transistor Inductive Load Speed Control Fast Slow

14. Driving Motors – Bidirection Dual Power Supply Drive Transistor +V-V

15. Driving Motors – Bidirection Single Power Supply (H Bridge) V

16. V On Off V On Off

18. Stearing Motors – Bidirection Single Power Supply (H Bridge) V Spring

19. Digital to Analog Converters Digital Analog Converter