Rfid Based Attendance System

LIST OF FIGURES

2.1 General Block Diagram. 18_
2.2 Block Diagram Showing Inside View of Controller Section. 20_
2.3 RFID Module. 23_
3.1 Entire Circuit Diagram. 24_
3.2 Controller Section Circuit Diagram. 26 _
3.3 RFID Circuit Diagram. 28_
3.4 Power Supply Circuit Diagram. 31_
4.1 AT89S52 Block Diagram. 34 _
4.2 AT89S52 Pin Diagram. 35 _
4.3 AT24C08 Block Diagram. 44 _
4.4 AT24C08 Pin Diagram. 45_
4.5 DS1307 Block Diagram. 50_
4.6 DS1307 Pin Diagram. 51_
4.7 DS1307 Time Keeper Register Control. 55_
4.8 MAX 232 Pin Diagram. 57_
4.9 MAX 232 Logic Diagram. 58_
4.10 MAX 232 Pin Diagram. 59_
5.1 Interfacing Microcontroller With RFID Reader. 62_

1. INTRODUCTION

1.1 BRIEF INTRODUCTION ABOUT THE PROJECT RFID BASED ATTENDANCE SYSTEM.

The attendance system is basically an embedded one. Embedded stands for ‘hardware