25

CASE STUDY: A HOME PROTECTION SYSTEM

CHAPTER OBJECTIVES

In this chapter, the reader is introduced to a full-length design example with 8051 microcontroller as a case study. After completion of the chapter, the reader should be able to understand

  • How to plan a system, which is to be designed.
  • How are the hardware-interfacing modules prepared.
  • How are the software routines developed.
  • How to interface a few common sensors with 8051.
  • How to implement a multiplexed keyboard-display interface.

25.1 | Initial Planning

As we have completed the study of internal architecture, instruction set and major interfacing techniques related to 8051 microcontroller in the previous chapters, we may now take up a full-scale design example using 8051. Many of ...

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