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Arduino RFID Door Lock Project using Arduino Uno, RFID ...

The output provided by EM-18 RFID reader is in 12 digit ASCII format. Out of 12 digits first 10 digits are card number and the last two digits are the XOR result of the card number. Last two digits are used for error checking.

For example, card number is 0200107D0D62 read from the reader then the card number on the card will be as below.

02 - Preamble

62 is...

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RFID Based Security System using 8051 Microcontroller

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How to Interface RFID with Arduino Uno - Circuit Diagram ...

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RFID Based Attendance System - Circuit Digest

We can...

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