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Gone are the days of the troublesome key and lock. The recent developments in technology have provided innovative solutions to this problem. The traditional lock and key method of keeping personal items safe is clumsy and inconvenient. Considering an educational institute or workplace, keeping one's belongings safely with a minimal interface is the need of the hour.

The output consists of 12 character ASCII data, where first 10 bits will be the tag number and last 2 bits will be the XOR result of the tag number which can be used for error correction. For eg : If the RFID tag number is 500097892E, output of EM-18 Reader will be 500097892E60, where 60 is 50 xor 00 xor 97 xor 89 xor 2E.As mankind leads into a new age of modernization, security issues and measures have become exceedingly important. (input ^ input ^ input ^ input ^ input = input)) If((input ^ input ^ input ^ input ^ input = input) & Serial.print(input) // Print RFID tag number While(Serial.available() & count < 12) // Read 12 characters and store them in input array Serial.begin(9600) // begin serial port with baud rate 9600bps Pin No.Īrduino Sketch int count = 0 // count = 0Ĭhar input // character array of size 12