March 2012
Beginner
44 pages
41m
English
Content preview from Getting Started with RFIDBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Reading RFID Tags in Arduino
In this project, you’ll connect Arduino directly to the RFID reader. This project accomplishes the same thing as the project in Chapter 2, but the reader is connected to an Arduino, not to your computer. As a starter step, you’ll see how to read in an RFID tag’s ID and send its value to a computer over the serial port. After you’ve done that, you’ll see how to read in an RFID tag’s ID and compare it to a stored tag ID: if you wave the right tag at the RFID reader, it will light an LED. In this way, the RFID tag will behave as a key.
Warning
Some RFID tags have many well-documented vulnerabilities. Certain types of RFID tags can be cloned easily, for example. So in theory, if an attacker gets close enough to ...
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