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Guide: RFID for your front door

Posted on Saturday, March 18 2006 @ 00:26:33 CET by

ExtremeTech has a guide focused on creating your own RFID access card to get into your front door.
Most access control solutions use an electronic door strike, which gives way when activated so you don't have to unlock or turn the doorknob; you just push (or pull) the door open. This is exactly what's used to "buzz" someone in a door. That buzzing sound is AC power rushing through the magnetic coil windings in the door strike, pulling up and vibrating the pin that normally keeps the strike in the closed and locked position. You're going to use DC power to operate your electronic strike, so all you should hear is a slight click..
Read on over here.



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