RFID Based Attendance System
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#1
30-10-2010, 03:40 PM




Abstract
The attendance system is basically an embedded one. Embedded stands for hardware controlled by software. Here, the software using a Microcontroller controls all the hardware components. The microcontroller plays an important role in the system.
The main objective of the system is to uniquely identify and to make attendance for a person. This requires a unique product, which has the capability of distinguishing different person. This is possible by the new emerging technology RFID (Radio Frequency Identification). The main parts of an RFID system are RFID tag (with unique ID number) and RFID reader (for reading the RFID tag). In this system, RFID tag and RFID reader used are operating at 125KHz. The EEPROM used for storing the details has the capability of storing 256 person details at a time. The PC can be used for restoring all the details of attendance made.
This report provides a clear picture of hardware and software used in the system. It also provides an overall view with detailed discussion of the operation of the system.


Reference:
8051project and implimentations.info/proj.asp?ID=55

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kiran1990
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#2
09-02-2011, 07:42 PM

i need the synopsis and circuit diagram of rfid based attendance system pls help me..
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29-08-2011, 07:38 PM

what is the advantage of using the RFID technology compared to the Punch card system?
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30-08-2011, 09:56 AM


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07-02-2012, 11:02 AM

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15-02-2012, 10:42 AM

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26-04-2012, 09:41 AM


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17-09-2012, 04:02 PM

RFID BASED ATTENDANCE SYSTEM


.docx   RFID BASED ATTENDANCE.docx (Size: 921.37 KB / Downloads: 63)

ABSTRACT

Aim:
To implement the RFID based attendance system.
Project Description:
This Project deals with giving the security as well as recording the attendance of the employees. In this Project RFID Technology is used to give the permission into the premises and also employees timings will be recorded in the system and will be stored as a database. To get the current time RTC DS1307 is used and for displaying the data LCD is used.

INTRODUCTION TO EMBEDDED SYSTEMS

Embedded systems can be defined as a combination of hardware and software that form a part of some larger system and are generally designed to perform some specific task. An embedded system consists of a specially designed micro-processor , programmable ROM or RAM and other circuitry, e.g., an Application-Specific Integrated Circuits (ASICs) specific to the task for which it was designed. An embedded system can be defined as a computing device that does a specific focused job. Appliances such as the air-conditioner, VCD player, DVD player, printer, fax machine, mobile phones etc. are the examples of the embedded systems. Each of these appliances will have a processor and a special hardware to meet the specific requirement of the application along with the embedded software that is executed by the processor for meeting the specific requirement.

Central processing unit(CPU):

The central processing unit (processor in short) can be any of the following. Microcontroller, microprocessor or Digital signal processor (DSP).A micro-controller is a low-cost processor. Its main attraction is that on the chip itself, there will be many other components such as memory, serial communication interface, analog to digital converter etc. So, for small appliances micro-controller is a best choice as the number of external components required are less.

Memory:

The memory is categorized as Random acess memory(RAM) and read only memory(ROM).the contents of the ram will be erased if the current is switched off to the chip, whereas ROM retains the content even if the power is switched off. So,firmware is stored in the ROM. When power is switched on, the processor reads the ROM; the program is executed.

Input devices:

Unlike the desktops input devices to the embedded system have very limited capability. There will be no keyboard or a mouse, and hence interacting with the embedded system is no easy task. Many embedded system will have a small keypad-you press one key to give a specific command .A keypad may be used to input only the digits. Many embedded system used in process control do not have any input device for the interaction.

Description of Microcontroller AT89S52:

The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K
bytes of in-system programmable Flash memory. The device is manufactured using
Atmel’s high-density nonvolatile memory technology and is compatible with the industry-
standard 80C51 instruction set and pinout. The on-chip Flash allows the program
memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer.
By combining a versatile 8-bit CPU with in-system programmable Flash on
a monolithic chip, the Atmel AT89S52 is a powerful microcontroller which provides a
highly-flexible and cost-effective solution to many embedded control applications.
The AT89S52 provides the following standard features: 8K bytes of Flash, 256 bytes
of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator,
and clock circuitry. In addition, the AT89S52 is designed with static logic for operation
down to zero frequency and supports two software selectable power saving modes.
The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and
interrupt system to continue functioning. The Power-down mode saves the RAM contents
but freezes the oscillator, disabling all other chip functions until the next interrupt
or hardware reset.

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#9
14-10-2012, 07:40 PM

hi i am from karnatka and a need ppt on the student attendence maintaince and minotiring system
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15-10-2012, 11:00 AM

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13-11-2012, 01:12 PM

RFID BASED ATTENDANCE SYSTEM



.docx   RFID BASED ATTENDANCE.docx (Size: 33.96 KB / Downloads: 21)

Background

In all aspects of our life, we encounter event recording applications very often. Recording of any entity be it sound, pictures, events etc. is very useful as it enables us to manipulate data to our requirements. One can exploit the full potential of the recorded information for specific user defined purposes. Keeping in mind the significance of event recorders in today’s world, we arrived at a common decision of making ATTENDANCE RECORDING SYSTEM USING RFID as our project and implimentation in fulfillment of our B.E.(Electronics and Telecommunication) degree course.

Function

An attendance recording system’s basic function is to keep a record of the time at which the employees of a particular firm report to work and leave from work. It is one of the most widely used event recording application in the industry today. A track of employee attendance is a must for payroll generation. The traditional method of maintaining an attendance register makes the job very tedious and prone to human errors. The collection and processing of data of employee.
Attendance which may include leaves, half working days, overtime etc. and using it to generate the payroll manually consumes important man hours, which in turn could be used to increase productivity and in turn profitably of the firm. In case of an error, even more time will be used to detect and rectify it, if the process is manual. The whole process will be simplified to great extent.
If a system is available by means of which attendance data be stored, accessed, sorted, and processed and obtained in a form of a detailed report which may be used directly for payroll generation, hence saving a lot of precious time. It functions as a network of microchip “smart tags” and receivers. Each smart tag is embedded with a unique electronic product code (EPC) and a micro-antenna. Once assigned, the EPC becomes a DNA-like marker for the item, identifying it from every other item in the world. When a tagged item passes within range of a reader, the reader retrieves the EPC via radio waves, identifies the item and its exact location, and relays this real-time information to a central computer. Taken together, the series of transactions comprise a comprehensive record of the tagged item’s movement from point of origin to point of sale.

Comparison

Manufacturers of time/attendance recorders (T/A recorders) in Taiwan offer mechanical/electronic and computer-based units. Most manufacturers provide computer-based models and only a few offer mechanical/electronic recorders. Most T/A recorders in Taiwan fall within the midrange to high-end category. Computer-based models range in FOB price from Rs.10000 to Rs.15000, depending on the product's networking and access control features. Well,our product will be made at a cost of Rs.6000 (approx) and will include an onboard programmer. The person concerned will then be able to program the onboard microcontroller and will have access to the database.

User

The product can be used by many organizations like our college itself. Whereby the traditional system of signing in the musters will now be replaced and replaced well by using tags allotted to the staff. However the current user is a small California startup called InCom has developed a radio frequency identification (RFID) system called InClass to automate attendance-taking in elementary and secondary schools. The system uses ultra-high frequency (UHF) readers mounted in classroom doorways and passive RFID tags attached to student ID card holders. A unique 15-digit ID number is written to each tag and associated with the name of the student to whom it is issued. As the students pass through the reader-generated interrogation field under a doorway, the reader sends the tags' unique ID numbers to a central server. InCom has developed a software program, installed on the server, that collects the tag data and uploads a list of present, absent and tardy (based on when they enter the classroom) students to a PDA that is issued to the teacher.
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24-11-2012, 11:35 AM

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