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Vensoft Technologies authorized home appliances control with one wire protocol based i button

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ABSTRACT:
The main objective of this project is to develop an embedded system, which is
used to verify and authenticate the authorized
This project is implemented 8051 based At89s52 developed board interfaced with
I-Button, Keypad, buzzer and LCD.
The i-Button is a computer chip enclosed in a 16mm thick stainless steel can.
Because of this unique and durable container, up-to-date information can travel with a
person or object anywhere they go. The steel i-Button can be mounted virtually anywhere
because it is rugged enough to withstand harsh environments, indoors or outdoors. It is
small and portable enough to attach to a key fob, ring, watch, or other personal items, and
be used daily for applications such as access control to buildings and computers, asset
management and various data logging tasks.
Whenever the authorized person enters into the home, he has to keep his Ibutton
to the reader which is attached to our microcontroller based embedded board. And
enters the password through the keypad interfaced. At that moment the reader will checks
weather the information of the person is correct or not and then it will decide whether to
give access to that particular person or not. If the information of the person is correct then
he will be permitted inside otherwise he will not permit inside and switched on the
buzzer. If the person given information is correct then allow to switch on the appliance
through keypad. And the information of the access system will be displayed on the LCD
which we embedded to our board.
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Vensoft Technologies authorized home appliances control with one wire protocol based i button

  1. 1. VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 Authorized home appliances control with one wire protocol based i-button ABSTRACT: The main objective of this project is to develop an embedded system, which is used to verify and authenticate the authorized This project is implemented 8051 based At89s52 developed board interfaced with I-Button, Keypad, buzzer and LCD. The i-Button is a computer chip enclosed in a 16mm thick stainless steel can. Because of this unique and durable container, up-to-date information can travel with a person or object anywhere they go. The steel i-Button can be mounted virtually anywhere because it is rugged enough to withstand harsh environments, indoors or outdoors. It is small and portable enough to attach to a key fob, ring, watch, or other personal items, and be used daily for applications such as access control to buildings and computers, asset management and various data logging tasks. Whenever the authorized person enters into the home, he has to keep his I- button to the reader which is attached to our microcontroller based embedded board. And enters the password through the keypad interfaced. At that moment the reader will checks weather the information of the person is correct or not and then it will decide whether to give access to that particular person or not. If the information of the person is correct then he will be permitted inside otherwise he will not permit inside and switched on the buzzer. If the person given information is correct then allow to switch on the appliance through keypad. And the information of the access system will be displayed on the LCD which we embedded to our board. This project uses regulated 5v, 750ma power supply. 7805 three terminal voltage regulator is used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac output of secondary of 230/18v step down transformer.
  2. 2. VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 Block diagram: Power supply: Microcontroller Buzzer LCD Display I-Button Relay Access led (Green) Keypad Deny led (Red) Step Down T/F Bridge Filter Voltage Regulator Reset 4-channel relay driver Buzzer Load3Load1 Load2
  3. 3. VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 SOFTWARE:  EMBEDDED ‘C’  RIDE TO WRITE CODE  ISP TO BURN THE CHIP  KEIL COMPILER. HARDWARE:  AT89S52 /AVR BASED OUR OWN DEVELOPED BOARD  POWER SUPPLY  I-BUTTON  KEY PAD  LCD DISPLAY  4-CHANNELRELAY  LOADS  INDICATORS  BUZZER  MAX 232  SERIAL COMMUNICATION
  4. 4. VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 VENSOFT TECHNOLOGIES WWW.IEEEDEVELOPERSLABS.IN EMAIL:VENSOFTPROJECTS@YAHOO.COM CONTACT: 9448847874 Applications:  Industrial Applications  Banking applications  Home appliances Advantages:  Low Cost  Automated operation  low power consumption  very flexible  Easy To Manufacture.

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