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The design and construction of a microcontroller base talking systems

ABSTRACT

            This text is a report on the design and construction of a microcontroller base talking systems. The design was base on integrated circuit technology with discrete component only coming in a peripherals if detail description of this design procedure is presented in this text. This design is broken into several modules. These include the regulated power supply module, the sensory module and the switching module. The acting of each of these modules is coordinated by the intelligent controller unit. The NC can perform d/f task depending upon the program that they have store inside it. The project is design in such a way to monitor an intrude or thrift at bases room, when nobody is on duty. And if and if an intruder is detected, the system will start talking thereby alerting the user (security men around) to confront the intruders. The general tasting packaging and problems encountered were highlighted in this project. As a result of this simulated model of this project was carried out using software.           

 

CHAPTER ONE

INTRODUCTION

            A proposal project for the construction of a Microcontroller Based Talking Baby System  for baby protection of life security is an essential port of living. A necessary check to fellow man in ordinate desire to give birth to children.  

            It’s for this reason hospital and care centre or motherless baby home employ the use of a talking baby system for baby protection with human intervention. This system will trigger immediately it sense an unauthorized or unwanted individual or group from gaining access into baby-room, when it’s set on a voice alert mode. The significance art of protecting babies necessitates the design and construction of this project a talking baby system for baby protection with sufficient intelligence that is capable of providing utmost needed security for baby.        

 

1.1       OBJECTIVES OF THE REPORT

            The aims of embarking on this project are as follows:

1. To produce a software base system which will replace a hardwired system at this time that hardware components are very costly and at time very difficult to get.   
2. To serve as a guide to automating any system in future at this time that automation is the best approach to life.
3. It will enhance safety of users and prevents the intruders.
4. It will help to regulate the rate of entry by controlling the timing of signaling device place at the control room and baby room.

 

1. JUSTIFICATION FOR THE REPORT

Since this design is software base the need for the physical components which cost a lot has been reduced. This project report will help to rescue intruder/thieft in the hospitals and home and will educate the up coming engineers of computer engineering on microcontroller base design. 

1.3       SYSTEM DESCRIPTION

            The microcontroller monitors intruders that goes into the baby room, with the help of shadow detector. There are four button with different function for setting the alert mode connected to the microcontroller.

Functions of the 4 switch button are:

1. To displayer indicator light in the indicator system for authorize people to go to the room.
2. To alert the speaker system to produce only beep sound if there is no intruder or you want only authorize person to come into the baby room at a particular period of time in the day.
3. To activate the audio system to talk, if there is an intruder in the baby room.

So when a particular set button is trigger. The microcontroller will compare it with the intruder sensor before it is send to one of the out system.    

 

1.4       TECHNICAL DETAILS

            The system consists of two major parts. The hardware and the software.

The hardware is made up of the microcontroller, the power supply unit, the switch button and 3 segment display unit.

            The software is the set of instructions (codes/program) that will be resident in the internal memory of the microcontroller and executed by controller to orchestrate all the function o the system.

            8951 microcontroller was choosen for the project because of it numerous 1/0 parts (32) since quit a number of port are required to implement the multiplexed segment displays. It also has the required amount of program, memory 4 kb electrically erasable programmable ROM. It also has 256 bytes of RAM. Hence assembly language is the choosen.

 

1. SCOPE OF THE REPORT

Generally, this project report unfolds the steps in the design and constructions of a microcontroller base design using the Algorithmic state machine chart approach. The project topic Microcontroller base talking baby system is a real time control system that show how the Microcontroller can be interface with the outside world. This project laid emphasis on talking baby system. For baby protection.

 

1. BASIC BLOCK DIAGRAM OF THE PROJECT REPORT    

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig                   Basic Block Diagram of the project report 

1. THESIS REPORT ORGANIZATION

Chapter one of the report has the introduction while chapter two deals on literature review highlight the preus work carry out on Microcontroller system. Chapter three deals on the system design and analysis while chapter four shows the implementation of the design in chapter three above. Chapter five was devoted to system testing and integration. Finally the report was concluded in chapter six.     

 

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