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 employee enters into the organization, 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 employee is correct or not and then it will decide weather to give access to that particular person or not. If the information of the employee is correct then he will be permitted inside otherwise he will not permitted inside and switches on the buzzer. The information of the employee will be send to the microcontroller through one wire protocol. And the information of the access system will be displayed on the LCD which we embedded to our board.
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 employee enters into the organization, 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 employee is correct or not and then it will decide weather to give access to that particular person or not. If the information of the employee is correct then he will be permitted inside otherwise he will not permitted inside and switches on the buzzer. The information of the employee will be send to the microcontroller through one wire protocol. And the information of the access system will be displayed on the LCD which we embedded to our board.
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