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RFID based Attendance System
Model: 170    
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PROJECT DESCRIPTION

The main objective of this project is to record the attendance of students using RFID tags. Each student is provided with his/her authorized tag to swipe over the reader to record their attendance.

In classrooms, time is wasted in roll calls as it is done manually. In this proposed system, authorized student is given an RFID tag. This tag contains an integrated in built circuit that is used for storing, processing information through modulating and demodulating of the radio frequency signal that is being transmitted.

Thus, the data stored in this card is referred as the identification/attendance of the person. Once the student places the card in front of the RFID card reader, it reads the data and verifies it with the data stored in the microcontroller from 8051 family. If the data matches, then it displays a message on the LCD confirming the entry of that student else displays a message denying the attendance.

The status of a student’s attendance can be retrieved from this system by pressing the status button interfaced to the microcontroller. Hence, a lot of time is saved as all the students attendance is directly stored in the data base.

The project can be further enhanced by adding features like sending an SMS of the daily attendance of students to their parents. It can also be enhanced by using a finger print module in place of RFID module that has certain drawbacks of tags be misused.

PROJECT HIGHLIGHTS
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am-7 pm
Pre-programmed Microcontroller.
All-inclusive solution kit.
Easy to use, Self-explanatory kit.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • RFID tags and RFID Reader
  • LCD
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Crystal
  • switches
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly
Q & A
Q:  What is RFID card?
A:  RFID card is an accessory which has got a coil and a chip for the reader for data communication. While it is placed on the RFID reader device, it gets induced power from the reader and then the data present in the card is serially transmitted to the receiver.
Q:  Can more amounts of data be fed?
A:  No, more amounts of data about attendance cannot be fed.
Q:  Which microcontroller is used in this project?
A:  An 8051 family 40 pin microcontroller is used in this project.
Q:  What is the formula for calculating smoothing capacitor value?
A:  There is some approximated formula .Peak to peak ripple voltage = Load current in amps / (2*line frequency in hertz *capacitance in farads). But as rule of thumb for 1 A current 1000uF is best. Thus it is load dependent.
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Showing 1 of 1 reviews
poojakumari, hydrabad on 13th May, 2014, 12:18 PM

WE GOT THE PROJECT ON TIME AS EXPECTED WITH PERFECT OUTPUT.

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