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        <s:content>1 RFIDauthXBeeController&#xD;&#xA;The RFIDauthXBeeController will authentificate user by rfid tokens, switch on a device as long the token is in the range of the antenna and send via XBee the events to a server.&#xD;&#xA;&#xD;&#xA;It is mainly used to recognize that authorized user access the devices and allow the server to calculate the usage time per user.&#xD;&#xA;&#xD;&#xA;1.1 Requirements&#xD;&#xA;&#xD;&#xA;1 Solution&#xD;&#xA;1.1 Components&#xD;&#xA;- Microcontroller AVR ATTiny2313&#xD;&#xA;- Towitek RFID antenna&#xD;&#xA;- {link:Towitek RFID ISO Card|http://www.conrad.de/ce/de/product/191201/TOWITEK-TRANSPONDERKARTE-ISO-FORMAT}&#xD;&#xA;- alternative: {link:Parallax RFID Tag|http://www.robotshop.com/eu/parallax-rfid-tag-125khz.html}&#xD;&#xA;- {link:XBee Breakout Board|http://www.robotshop.com/eu/droids-xbee-simple-board-2.html}&#xD;&#xA;- {link:XBee USB Explorer|http://www.robotshop.com/eu/sfe-xbee-explorer-usb-2.html}&#xD;&#xA;- </s:content>
        <s:mTime>2011-03-19 15:13:55.155</s:mTime>
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