RFID COLLEGE I-CARD

Pyro Project Ideas/Requests
Pri
Newbie Pyro
Posts: 7
Joined: Thu Sep 20, 2012 2:02 pm

RFID COLLEGE I-CARD

Postby Pri » Fri Mar 15, 2013 4:46 am

Hello!

Pyro has helped me before also to do my project and now again I'm looking for help..:)

I want to design a RFID sensor that senses the college ID(RFID card-Passive ,125khz frequency) and will keep a track of attendance of students stored in the server(I.e my computer)
Want to use atmega 32 as the college demands it.

Help will be most appreciated!
Thanking you in advance :)

ThePyroElectro
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Re: RFID COLLEGE I-CARD

Postby ThePyroElectro » Sun Mar 17, 2013 5:57 pm

Pri wrote:Hello!

Pyro has helped me before also to do my project and now again I'm looking for help..:)

I want to design a RFID sensor that senses the college ID(RFID card-Passive ,125khz frequency) and will keep a track of attendance of students stored in the server(I.e my computer)
Want to use atmega 32 as the college demands it.

Help will be most appreciated!
Thanking you in advance :)


You can use a peripheral controlled by your ATMEGA:
http://microcontrollershop.com/default.php?cPath=297_430

Or

You could build the RF circuitry yourself. It really depends of the level of design that you are looking to do. 125 KHz transmission isn't painful to prototype but it takes a lot more effort to build the RFID circuitry yourself...

Pri
Newbie Pyro
Posts: 7
Joined: Thu Sep 20, 2012 2:02 pm

Re: RFID COLLEGE I-CARD

Postby Pri » Mon Mar 25, 2013 2:43 pm

Yea I have to design it myself using atmega... I can't find information anywhere regarding the proper circuit or working... Please help!!!

ThePyroElectro
PyroElectro Admin
Posts: 1181
Joined: Mon Nov 12, 2007 9:24 pm
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Re: RFID COLLEGE I-CARD

Postby ThePyroElectro » Tue Mar 26, 2013 4:15 pm

Pri wrote:Yea I have to design it myself using atmega... I can't find information anywhere regarding the proper circuit or working... Please help!!!


There are MANY examples on the internet of this used with ATmega.

Here's one well documented example that I blogged about before:
https://instruct1.cit.cornell.edu/Courses/ee476/FinalProjects/s2006/cjr37/Website/index.htm


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