RFID Door Lock Shield for Arduino
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Freetronics RFID Door Lock Shield

Copyright 2013 Freetronics Pty Ltd
Freetronics site: www.freetronics.com
Freetronics email: info@freetronics.com

Based on the circuit described in the "RFID Access Control" project in the book "Practical Arduino", this shield allows you to control a door lock using an electric strike plate using a number of commonly available RFID reader modules.

Supported reader modules include:

  • ID12
  • ID20
  • RDM630
  • RDM880
  • HF MultiTag


  • Reset button wired through to Arduino reset pin.
  • Blue "Arduino power on" LED with current-limiting resistor.
  • 100nF bypass/smoothing capacitor on supply rails.
  • Overlay guide where you need it: both top and bottom.

Compatible with the Freetronics TwentyTen, Arduino Uno, Arduino Duemilanove, and other compatible boards based on the same header format.

More information is available at:

http://www.freetronics.com/dlock http://www.practicalarduino.com/projects/rfid-access-control


The design is saved as an EAGLE project. EAGLE PCB design software is available from www.cadsoftusa.com free for non-commercial use. To use this project download it and place the directory containing these files into the "eagle" directory on your computer. Then open EAGLE and navigate to Projects -> eagle -> DLOCK.


The specific terms of distribution of this project are governed by the license referenced below.


Licensed under the TAPR Open Hardware License (www.tapr.org/OHL). The "license" folder within this repository also contains a copy of this license in plain text format.