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Microcontroller › 8051 › rfid based security system code of c programming using the id given
Each RFID tag has a seperate number. Easy method is that read the number serially and store it as a string, and then simply use string comparison functions like strcmp ( ) to identify the tag. Could you please share why are you going for a 6*12 matrix ?
hey thanks for the help,but the code that was already availabe had a 6×12 matrix. our main question is how to read the tag serially,because unlike other tags,ours has a 20 character unique id, which includes spaces and even a comma. and we are using 6X12 matrix bcz lcd display has the following specifications…
Hi amulya,
could you please share the part number of your 6,12 LCD module, coz so far I’ve seen only LCD module with specification 16,2 or 16,1 or 16,4 etc.
Anyway for your 6, 12 matrix, consider it as a linear array of 72 elements (6*12). Now you can start from 0th elemnt and store the 0th character coming in serially, increment the array elemnt to 1, store the 1th serial character….. do it till the 19th character is received.
what u have specified is not the tag serial code.inorder to find the serial code.u have to interface your rfid module with pc then u can see the 12 bit serial code in the hyperterminal.