I am making a project based on rfid security system, surfing through net I got a similar project with circuit diagram and assembly language codes which are for Atmel 89s52.But i am inable to understand the codes and so the actual working. Can you plz guide me how to proceed with the project or should i leave working on it.
plz thanks in advance.

Thanks for mailing instantly.
I am working on RFID tags.
the circuit uses AT89s52 microcontroller
IC DS 1307 I think it act as oscillator
IC4 MAX232
What is difference in RFID tag and cards And does it affect my project.
Also i do not know about IC U2270B.

LCD 16*2
keyboard and AT24C08 IC

hey i m making a project on rfid tags can u plz mail me the coding of this as soon as possible ..plz i need this very urgently.,
my id is vj2_2006@yahoo.com

hey I am a final year engg. student .I am luking 4ward to take up "RFID security system" as my final year project .
but am unable to understand some part of the circuit operation.
Can you plzz help me out. Possibly if you mail me , how the circuit works.
my mail ID-rahul.medhi@gmail.com

I have attached the circuit daigram.