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Why buy an off the shelf product if you can make it yourself. That is what some guys at Cornell University decided to do when they needed an RFID reader.
RFID Books
“For our final project, we designed and built (and exhaustively tested) an RFID-based proximity security system for use with Cornell Identification cards, which have been RFID-embedded since fall of 2003. The idea for this project was sort of spawned from our general interest in RFID technologies and the near-simultaneous occurance of Lab 2 (Keypad Security System) and the antiquated lock system at our fraternity house breaking.”
Via : Make
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November 13th, 2006
Hi,
I’m thinking of making 1 of this RFID security system. Can any1 provide me with the required Components and circuits diagrams to build them?
November 13th, 2006
Hi Neo,
Click on the link within the article. There are schematics provided there.
November 28th, 2006
hello!
your project is interesting, i plan to make one,can i get the shcematic diagram of your RFID reader?
June 9th, 2007
Hmmm…nice project. I should try to build this…
July 24th, 2007
can i have some explanation or the project description of this??
October 20th, 2007
we r doing a project on RFID .Quite inspired by ur homemade reader ckt n we would like
to make own reader ckt.actually requesting u to help us in our things. can u please
provide us with the basic reader circuit with components, becoz we tried at our level
n could do nothing much than just random search.or at least provide us with the
required information (reader circuit with comp,from where to avail the tag,) and any
more information if u can.
hoping a positive responce
October 20th, 2007
Hi Veena,
The RFID project was featured here but created by someone else. Please click on the link in the article for more details. Let us know how the project turns out.
April 27th, 2008
i have made the reader they have shown but im not still successful. the modulation from the rfid cards shows up but i have some problem with the later part of the circuit ingetting the modulation to be converted intostudents.also if someone has made this ckt and nice logic levels. anyways i m trying to sort it out . i think its some problem in my connections or ICs. good work cornell university students. also if someone has made this ckt and it works plz reply. the programming in the microcontroller atmga 32 is very cool and i have added many other facilities such as PIN code and LCD.
April 27th, 2008
i have made the reader they have shown but im not still successful. the modulation from the rfid cards shows up but i have some problem with the later part of the circuit ingetting the modulation to be converted into nice logic levelfor uC . anyways i m trying to sort it out . i think its some problem in my connections or ICs. good work cornell university students. also if someone has made this ckt and it works plz reply. the programming in the microcontroller atmga 32 is very cool and i have added many other facilities such as PIN code and LCD.
if someone wants the ckt schematics and full code that i have made, heres the link
http:\\befypprojects.blogspot.com