[sudoroom] electronic access

[Susan Werner]

An electric strike only works when you have a latch that goes into the 
side of the door. The pushbar we have has a weird pin that goes into the
floor and an even weirder turning thingie that interfaces with a thingie on
the ceiling. You can't really adapt an electric strike to that.

-- 
Susan

On Nov 20 12:33, David Rorex <drorex at gmail.com> wrote:
> I haven't been paying attention to this whole thread, but why not go with
> the electric strike? They're cheaper and you don't need to modify the
> door...it seems like they'd work fine with a pushbar unless I misunderstand
> how it all works mechanically.
> 
> 
> On Tue, Nov 20, 2012 at 12:31 PM, Marc Juul <juul at labitat.dk> wrote:
> 
> > On Tue, Nov 20, 2012 at 2:02 AM, Susan Werner <heinousbutch at gmail.com>
> > wrote:
> > > It's an 8600.
> >
> > It seems like they don't sell a kit to turn a regular pushbar into an
> > electric pushbar, so we'll have to get a new pushbar with the electric
> > option. They're a bit over $600:
> >
> >
> > http://buyaccess.com/adams-rite-8600lr-narrow-stile-electric-latch-retraction-concealed-vertical-rod-exit-device?gdftrk=gdfV22700_a_7c1040_a_7c4922_a_7c8600LR
> >
> > We should probably just get their official bendy-cable to run the
> > power to it as well, since it's only $17:
> >
> > http://buyaccess.com/securitron-tsb-c-door-cord-w-grey-black-caps
> >
> > The electronic pushbar requires 28 VDC. The official power supply is
> > crazy overpriced at $380:
> >
> > http://buyaccess.com/adams-rite-ps-lr-power-supply
> >
> > Unfortunately we'll void the warranty on the pushbar if we use any
> > other power supply. I still think we should find a different 28 VDC
> > power supply.
> >
> > That puts our total at around $700 including tax and shipping.
> > Installation should be free since George the landlord will have it
> > installed for us.
> >
> > Then comes the computer hardware. Susan suggested a Beagle bone, which
> > costs about $80. We could add a wifi usb adapter to avoid running wire
> > to the door, and I'm sure we have those lying around. Then we need the
> > 28 VDC power supply and a relay. The relay is close to free, but I
> > don't know where we'd get the 28 VDC power supply or how much that
> > will cost us. Any ideas?
> >
> > Let's add another $50 for magnetic stripe card and/or rfid reader.
> > That'll be about $850 total, excluding the power supply (maybe we know
> > someone who has a 28-30 VDC power supply of some not-insignificant
> > amperage lying around?).
> >
> > Now the question is: Do we just go ahead and order this stuff? Or does
> > anyone know anyone who might be able to get this done for less?
> >
> > --
> > Marc
> > _______________________________________________
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> > sudoroom at lists.hackerspaces.org
> > http://lists.hackerspaces.org/mailman/listinfo/sudoroom
> >

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