1. Mi c r o p r o c e s s o r s Digital electronic systems – 2nd Year presentation project Subject: Digital Electronic Systems Lecturer: Brian Hunter Team members: David Tynan Monteiro Luzala Roman Villem Xue Lian

3. demonstrate the power of microprocessor

4. understand the code

5. internet communication

7. architecture

8. code0101 1001 b 89d 0101 1001 b 59h

10. different configurations

11. free developing tools

13. easy to use

14. easy to comprehend

15. inexpensive

17. The device consist of micro-controller, keypad, LCD and other parts.

18. The LCD informs the user about the state of the lock and provides a way of communication to the user.

19. The keypad used as an input device transfers the users input to the micro-controller which responds with a true or false statement.read keypad door open / locked check the pass door control blocked

21. LCD in 4 bit mode

22. low number of parts

24. easy to understand

27. retaining gained skills

28. difficulties