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ECE482 Final Project Spring 03

This project outlines the design of a digital thermometer that reports room temperature in degrees Fahrenheit, updating once every second. The display should present the message "Present room temperature is 78 degrees Fahrenheit" in a user-friendly manner, ideally updating in place rather than scrolling. Teams of three will develop this project, with demonstrations and brief oral presentations scheduled around the final exam on May 5. Key components include the LM34 Thermometer IC, PC extender card, and necessary circuitry for effective temperature reporting.

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ECE482 Final Project Spring 03

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  1. ECE482 Final ProjectSpring 03

  2. Specification Design a digital thermometer to report the temperature in the room in degrees Fahrenheit. The PC should update the room temperature once each second. A display as simple as the following is acceptable: Present room temperature is 78 degrees Fahrenheit. While you can have this message scrolling downward, it would be better if the message was updated in place. Work in teams of 3 (your choosing). You will demonstrate your project and give a brief oral presentation either before or after the final exam on Mon May 5 (6:30 – 8:10 pm). I would prefer that the presentations take place prior to the exam if possible.

  3. Design of a Digital Thermometer

  4. LM34 Thermometer IC

  5. PC Extender Card

  6. Buffering I/O Address Range 300H-31FH

  7. Side View of Extender Card

  8. Interface Trainer Decoding Circuitry

  9. Connector and Cable

  10. I/O Port Addresses Decoded by Trainer

  11. PC Interface Trainer Module

  12. PC Interface Trainer Connection

  13. Simple Program to Test Port A

  14. 8255 PPI Chip Pinout

  15. 8255 Control Word

  16. Example 4-5

  17. Example 4-6

  18. Writing a Character to the Screen

  19. Writing a Character String to the Screen

  20. Binary to Decimal to ASCII Conversion

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