<p>It seems that some of the better ones have a contact sensor. Otherwise, I'd recommend not using a door magnet for anything high security.</p>
<p>Speaking of crypto, I think my next project might be integrating the Lantronix Xport AR to a microcontroller. It has built-in SSL, ssh, etc and looks to be very customizable.</p>
<p>Arclight</p>
<div class="gmail_quote">On Jan 22, 2011 1:53 PM, "Koen Martens" <<a href="mailto:gmc@sonologic.nl">gmc@sonologic.nl</a>> wrote:<br type="attribution">> Hey John,<br>> <br>> On Fri, Jan 21, 2011 at 08:18:39PM -0800, john arclight wrote:<br>
>> I just wanted to let everyone know that we finished up Open Access Control<br>>> version 2.0. This is an Arduino-based access control for hackerspaces.<br>>> Check out pictures at:<br>>> <br>>> <a href="http://blog.shop.23b.org/2011/01/possibly-largest-arduino-shield-evah.html">http://blog.shop.23b.org/2011/01/possibly-largest-arduino-shield-evah.html</a><br>
> <br>> Nice, of course I got to play with the real deal recently. Did you manage to<br>> fix the issue where a simple piece of paper made the magnetic lock less <br>> effective ??<br>> <br>>> The Eagle Cad drawings, assembly instructions, code, etc are of course free<br>
>> and available at:<br>>> <br>>> <a href="http://code.google.com/p/open-access-control/">http://code.google.com/p/open-access-control/</a><br>>> <br>>> I feel that the hardware is pretty mature and tested. The code works, but<br>
>> could use some help. Especially with implementing more Ethernet-based<br>>> features and keypad/interactive serial admin commands.<br>> <br>> I'm going to have a look at your battery-backup mechanism. We recently<br>
> completed the first iteration of our own access control mechanism:<br>> <br>> <a href="https://revspace.nl/RevelationSpace/ProjectSpaceAccessControl">https://revspace.nl/RevelationSpace/ProjectSpaceAccessControl</a><br>
> <br>> Phase 2 will use the sha1 capabilities of the ibuttons we use, instead<br>> of just checking the address of the ibutton against a whitelist.<br>> <br>> Gr,<br>> <br>> Koen<br>> _______________________________________________<br>
> Discuss mailing list<br>> <a href="mailto:Discuss@lists.hackerspaces.org">Discuss@lists.hackerspaces.org</a><br>> <a href="http://lists.hackerspaces.org/mailman/listinfo/discuss">http://lists.hackerspaces.org/mailman/listinfo/discuss</a><br>
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