• DESIGN AND CONSTRUCTION OF A MULTIPURPOSE SECURITY SYSTEM WITH ALARM AND DISPLAY


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    • ABSRACT - [ Total Page(s): 1 ]This project report is a thesis written specifically to cover the design analysis construction, test and packaging of a multipurpose security system from electric component that can be easily be obtainable from the market.The report discusses the various unit and stages of the alarm system, thesis include:-a)     Clock generation and frequency division unit.b)    The control and section unit, comprising of a one shot 555 timer multiplexer, sound amplifier and the latch.c)     The detection and switching unit made up of the fire and burgler sensors and priority encoder.d)    The o ... Continue Reading

         

      CHAPTER ONE - [ Total Page(s): 1 ]CHAPTER ONEINTRODUCTION          The present and likely to continue state of the world economy as a whole and that of Nigeria as yet a developing country in particular has made life uncomfortable and unsatisfactory for the masses.Every day, we hear of wars, conflicts, monumental natural disasters, fatal accidents, tribal, racial and religious clashes, to mention just a few.All these phenomena always lead to wanton destruction of life and properties worth millions of naira.          As a result of these ugly situations today in our country in particular coupled w ... Continue Reading