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RFID Test 1

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Uploaded on Oct 5, 2006

Welcome to my new interest. RFID's (pronounced arphids) are small electronic devices that when put near a specialized electrical field, generate a structured pulse of energy that contains a unique number.

You can use this number to validate an objects identity and perform many interesting functions. One supermegacool function that has been floating around the web in the past year has been using an embedded RFID ampoule to unlock a deadbolt on a door. As the air turns cold in my neck of the woods and thoughts turn to indoor projects, I have begun the process of building my own RFID deadbolt.

I have already collected many of the parts. This was the first test of combining the embedded controller, RFID reader, and reed relay. It worked perfectly and I was able to get a decent video of the action. What you are seeing is me waving a test RFID tag in front of the reader, then the controller (bottom right) reading the serial data from the reader, it comparing the input against approved ID's, and then finally the controller triggering a small reed relay to turn on the led.

More detail, including the breakdown of the components and code, in the upcoming posts. Along with fun discussions about how you actually go about embedding the RFID tag and the type of people that think this is the mark of the beast.

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