i-button

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I CAGE (I BUTTON BASED CHAOTIC ARRANGING GSM
ENVIRONMENT)

• A.Swapna(10t81A04A5)
• S.Kvya raju(10t81A0471)
• C.Annapurna(10T81A0462)
• Lakshmi narayana
• (10T81A0473)

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Existing systems

• Bar codes
• Rfid
• Smart cards
• Magstripe cards
• Optical cards
• Wiegand cards
• Proximity cards

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Why I button? (advantages)

• iButton devices can be read AND be written to
•  the communication rate and product breadth of
  iButton devices go well beyond the simple memory
  products typically available with RFID
• High durability

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• AIM
• Monitoring student attendence
• Communicating to students regarding events in
  college(including notices)

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INTRODUCTION

• implemented with 8051 based AT89S52
  microcontroller board interfaced with GSM, LCD,
  RTC, i-button, PC, etc.
• students to get the updated information
• the student has to show his i-button to the
  control kit. After this, the student can get the
  information regarding any cultural activities or
  extracurricular activities to be held in the
  college. This is done through GSM communication.
• The information regarding student attendance can
  also be passed to the parents through GSM
  communication.

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Block diagram
Power supply
A T 8 9 S 5 2
162 LCD
I BUTTON
PC
GSM
Buzzer
Crystal
Real time clock DS-1307
Reset
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Techinichal specifications

• Domain Advanced Embedded Systems Design
• Software Embedded C, Keil, Proload
• Microcontroller AT89S52
• Power Supply 5V, 750mA Regulated Power Supply
• Display LED 5mm, 16 X 2 LCD
• Crystal 11.0592MHz
• Data Communication Through Serial Communication
• Interfacings GSM, i-button, PC, RTC
• Applications Colleges, Companies etc

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applications

• Access control
• Asset management
• E-cash
• Gaming system
• Guard tour
• Time and attendance
• Thermocron applications

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Queries.?