[hackerspaces] Open Access Control

john arclight arclight at gmail.com
Sun Jan 23 02:12:23 CET 2011

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.

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.

On Jan 22, 2011 1:53 PM, "Koen Martens" <gmc at sonologic.nl> wrote:
> Hey John,
> On Fri, Jan 21, 2011 at 08:18:39PM -0800, john arclight wrote:
>> I just wanted to let everyone know that we finished up Open Access
>> version 2.0. This is an Arduino-based access control for hackerspaces.
>> Check out pictures at:
> Nice, of course I got to play with the real deal recently. Did you manage
> fix the issue where a simple piece of paper made the magnetic lock less
> effective ??
>> The Eagle Cad drawings, assembly instructions, code, etc are of course
>> and available at:
>> http://code.google.com/p/open-access-control/
>> I feel that the hardware is pretty mature and tested. The code works, but
>> could use some help. Especially with implementing more Ethernet-based
>> features and keypad/interactive serial admin commands.
> I'm going to have a look at your battery-backup mechanism. We recently
> completed the first iteration of our own access control mechanism:
> https://revspace.nl/RevelationSpace/ProjectSpaceAccessControl
> Phase 2 will use the sha1 capabilities of the ibuttons we use, instead
> of just checking the address of the ibutton against a whitelist.
> Gr,
> Koen
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