RFID based Door Access or Security Control System

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RFID based Door Access or Security Control System

A radio-frequency identification (RFID) based access-control or Security control system allows only authorised people to enter a particular zone of an office or building. Authorised people are provided with unique tags, using which they can access that particular area. This project is based on RFID, STM32f103C8 ARM Cortex-M3 development board, a 16x02 LCD module for displaying the status and a relay or servo motor for opening the door. Fig.1 depicts the block diagram RFID based Door Access or Security Control System.

Block Diagram

Working

Now let’s see how our RFID reader and ARM Cortex-M3 controller will make Door Access control system. The basic working principle is very simple. When we place relevant RFID card near the MIFARE 13.52 MHz, the controller will read the data via SPI (Serial Peripheral Interface). If any card that match with the existing stored card in the code access will provided otherwise access denied. LCD 16x02 will display the all the messages like Swipe your card, Access Granted etc. Every time when user show his card the buzzer sounds.

Software and IDE’s used in the Project

   C- Language, Keil MDK ARM V5, Atollic TrueStudio for STM32

Components List

1	STM32F103 Dev Board
2	LCD 16x02
3	MIFARE 13.52 MHz RF ID Reader
4	Servo/ Realy
5	Buzzer
6	ST-Link V2 Programmer

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