Design and implementation of computer microcontroller based heart beat monitor
Table Of Contents
- INTRODUCTION1.1 Background1.2 Objectives1.3 Justification..
- 1.4 Scope of the Project1.5 Constraints..
- 1.6 Project Report Organization
Chapter TWO
LITERATURE REVIEW
- 2.1 Microcontroller Systems.2.
- 1.1 Benefits of Microcontroller Systems2.
- 1.2 Comparison between Microcontrollers and other designtechniques2.2 Frequency SystemsCHAPTER THREE: SYSTEM ANALYSIS AND DESIGN..
- 3.1 Specification3.2 The Input Interface Design..
- 3.3 Microcontroller system 3.
- 4.1System Reset3.
- 4.2 System Clock..3.
- 4.3 Memory3.
- 4.4 Other Features of the Microcontroller3.5 Control Program Design.
- 3.7 Output Interface Design.3.
- 7.1 Introduction to LCD3.
- 7.2Pin Description
- 3.8 Power Unit.3.
- 8.1 Timer Power Source
- 3.9System Block DiagramCHAPTER FOUR: SYSTEM IMPLEMENTATION4.1 Choice of Programming Language4.1 Hardware Implementation..4.1.1.1Input Interface Implementation..4.
- 1.2 Control System Implementation..4.
- 1.3 Output Interface Implementation..
- 4.2Software Implementation4.
- 2.1 Complete System Implementation4.
- 2.2 Complete System Wiring DiagramCHAPTER FIVE: SYSTEM TESTING AND IMPLEMENTATION5.1 The Test Plan5.2 Test Data, Expected Result versus Actual Test Result.5.
- 2.1 The Power Supply Unit Testing5.
- 2.2 Input Interface Testing..5.
- 2.3 Control Software Testing5.
- 2.4 Output Interface Testing5.
- 2.5 Complete System Testing5.3 Performance Evaluation5.4 System Packaging.CHAPTER SIX: SUMMARY AND CONCLUSION6.1 Summary of Achievements6.2 Problems Encountered and Solutions6.3 Suggestions for Further Improvements6.4 Conclusions..REFERENCES. APPENDIX A: System Components ListAPPENDIX B: Components Cost AnalysisTable..APPENDIX C: Circuit Components LayoutAPPENDIX D: Circuit Wiring ScheduleAPPENDIX E: Complete System CircuitSchematicAPPENDIX F System FlowchartAPPENDIX G System Source Code ListingAPPENDIX H System User’s GuideAPPENDIX I: Project Package PhotographAPPENDIX J: Microcontroller Instruction SetLIST OF FIGURESFig.
- 3.1 Input InterfaceFig.
- 3.6 the Microcontroller system..Fig.
- 3.7 System Reset Circuit..Fig.
- 3.8 Crystal connection to the microcontroller..Fig. 3.
- 1.2 Top down flow chart of Remote Control.Fig.
- 3.character LCD type hd44780 pin diagramFig.3.
- 2.0 Complete Power supply..Fig.3.
- 2.1 Output wave form of the complete powerFig.3.
- 2.2 Wave form of the transformer output..Fig.3.2.3a Output of full wave rectified Dc.. Fig.3.2.3b Bridge rectifier.. Fig3.
- 2.4 Waveform of Rectified..Fig. 3.
- 2.5 Voltage Regulator and output wave form ofregulated voltage.. Fig. 3.
- 2.6 Block Diagram of System..Fig
- 4.1 Complete Circuit DiagramLIST OF TABLESTable
- 5.1 project costing..
Thesis Abstract
The use of microcontroller is in every field even we can use it in the design and fabrication of biomedical equipments. A little example is here. The microcontroller at89s51 (8051) is here used to develop a heart beat monitoring system. By placing your finger in between a LED and photo resistance, we can detect the pulses of heart, the analog voltages are further processed with an operational amplifier LM 358, this chip has two built in OPAMPs. The TTL pulses or digital pulse are then feed to the external interrupt of microcontroller 8051. By using a software counter in the code, we can count the pulses, and the result the process is displayed on an LCD (2 line 16 characters). The schematic circuit diagram of heart beat monitor is shown below and the code ( c program) in c language using keil C51 uv3 is also shown. This is only test project and any one can copy from it.
Thesis Overview
<p> </p><p><strong>INTRODUCTION</strong></p><p><strong>1.1 </strong><strong>Background</strong></p><p>One of the most difficult tasks in generating signals is the decoding. It is only when signals are decoded that it can be used for any essential purpose. Frequency happens to be one of such signals that require a careful decoding technique. One important source of signal is the human body, where different types of signals are generated. Biomedical signal such as the heart beat is very essential to the medical expert to be able to ascertain the kind of medical issue with a patient.</p><p>This project, Microcontroller based heart beat monitor is a project that is geared toward the development of simple tool to assist the medical experts to check the human heart rate before further diagnosis can be recommended.</p><p><strong>1.2 </strong><strong>Objectives</strong></p><p>The main objective of this project is to design and Implement Microcontroller based heart beat monitor. It is also intended to use this means to contribute to the academic research work.</p><p><strong>1.3 </strong><strong>Justification</strong></p><p>If this prototype is fully developed will be very useful in many areas such as:</p><p>a. Laboratory experiments for measuring frequency.</p><p>b. Apply functions to signals being generated.</p><p>c. Applicable in the hospitals</p><p>d. Educational purpose especially in reversed engineering.</p><p><strong>1.4 </strong><strong>Scope of the Project</strong></p><p>This project makes use of a keypad as the only major input channel. AT89C51 Microcontroller is the main control device. Multi-channel Frequency generators circuits will be realized. Simple interface of output/decoded frequency via LCD will also be built. Programming power of Bascom Basic compiler will be exploited.</p><p><strong>1.5 </strong><strong>Constraints</strong></p><p>One the major constraint of this work was finance. Another like it was in availability of the required information. </p><p><strong>1.6 Project Report Organization</strong></p><p>This report is organized into six chapters. The first chapter takes care of introduction. Chapter two surveys the literature review of this work. In chapter three, the project analysis was done. The input, processing and output modules are critically analyzed.</p><p>In chapter four, system implementation was carefully done. Chapter five takes care of Testing and Implementation. Finally chapter six closes up with summary and conclusions.</p> <br><p></p>Blazingprojects Mobile App
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