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Rfid and gsm based attendence system

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Information about Rfid and gsm based attendence system
Education

Published on March 9, 2014

Author: karthikkumar167

Source: slideshare.net

Description

rfid and gsm based attendece system
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RFID AND GSM BASED ATTENDENCE SYSTEM PRESENTED BY T.PRANAY SINGH(10BT1A0492) P.TARUN FRANCIS(10BT1A0469) V.CHANDRASEKHAR(10BT1A0495) V.KARTHIK KUMAR(10BT1A0498)

CONTENT Objective Introduction Basic block diagram Hardware and Software Component selection Working Advantages Applications Future scope

INTRODUCTION Purpose of the Project: The basic function of the project is to alert parent through sms at which the students report to college/school and leave from college. What the project does to fulfill the purpose: 1. Conservation Of Time. 2. Day to day Performance of the child through Message.

BASIC BLOCK DIAGRAM

Hardware requirements | software requirements • 8051 series Microcontroller • RFID tags and RFID Reader • LCD • Resistors • Capacitors • Diodes • Transformer • Voltage Regulator • Crystal oscillator. Keil Compiler

component’s explanation • Microcontroller: It is the Heart of the circuit. We will be using ATMEL’s AT89S52 microcontroller. The controller that we will be using is ATMEL’s AT 89s52, which is a 40 pin microcontroller with 32 I/O lines. The controller communicates with the RFID reader & the PC using RS232 protocol for which MAX 232 IC is required. • MAX232: Microcontroller communicates with the PC using its inbuilt Serial Port. The voltage levels are 0 & 5 Volts, but for the controller to communicate with the PC we are using RS232 protocol so for converting the CMOS (0-5) voltage levels into RS232 (±12) voltage levels we will be using MAX 232. • Gsm modem: To send sms • RTC: Real Time Clock (RTC) is used to storing the real time. A battery is provided to the RTC so that even when there is a power failure the time is intact. The controller communicates with the RTC using the I2C protocol. • EEPROM: EEPROM is used to store the LOG’s of the person entering or exiting the premise. The EEPROM will contain the person’s ID, time of scan & if the person is entering or exiting. The controller communicates with the EEPROM using the I2C Protocol. • LCD: We will be using 2-Line, 16 characters LCD. This will be used to display the real time, scan successful or not and other such details. • Power Supply: The complete circuit works on 5v this voltage is generated in the power supply section which basically consists of a step down transformer, a rectifier & a voltage regulator. • RFID Module: To read RFID tags.

Working

The Advantages of RFID vs barcode technology: • No line of sight requirement. • The tag can stand a harsh environment. • Long read range. • Portable database. • Multiple tag read/write. • Tracking people, items, and equipment in realtime.

Advantages • Store data on a tag • Can be hidden • Work in harsh environment Disadvantages • Lack of standards • Short range • Cost

applications • Schools • Colleges • Industries

Future scope • Livestock Tagging • Wild Animal Tracking • Electronic Article Surveillance (EAS) • Automated Toll Collection • Animal Husbandry

ANY QUERIES? .

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