[sudoroom] electronic access

Wed Nov 21 07:02:29 CET 2012

I agree, the power supply would be trivial, and voiding the warranty would be meaningless because I'm certain any number of us could fix a solenoid-based bar-pusher if it were to somehow burn out, or have magnets fall out of place or whatever.  I would propose giving a time limit for shopping around for alternatives, before allocating the funds for the solenoid bar.

I won't be making it to tomorrow's meeting, so I'd appreciate if anyone else could adopt the extending of the wifi network to our room, otherwise I'll resume maybe on Saturday, or next week, I'd appreciate if someone with a key would make public when they would be in to open the place up.

I also would like to ask the group to take a moment at tomorrow's meeting to consider trying out loomio, a discussion & voting system that emerged from Occupy New Zealand.  I'm not suggesting we adopt it as a final decision maker by any means, but as a discussion and polling system, I think it could easily be a better discourse & decision making system than the listserv, meriting a page of the sudoroom site for organizing the various irons we have in the fire.  As opposed to a listserv, these discussions would all be categorized appropriately, would create no email spam, and would include the ability to freely poll support for various proposals.

I ask because their site is not currently public, and they ask for groups to agree to try the system before giving out beta access.  There's no commitment, but I wouldn't want to create a sudoroom loomio page without the group's support.  I've been talking with some of the developers, and they're clearly very nice people, and I'd love to support their project with our participation and feedback.  I'm also looking at eventually tinkering with their source code to try adding some features, it's a great platform to start.

Anyway, I don't intend to start a huge discussion on the matter here, but in my absence if the group could discuss the notion at the meeting, I'd love to get the ball moving and try out this experimental deliberation system in a real-life environment.

Thanks for your time,
-Dan Finlay

On Nov 20, 2012, at 8:46 PM, Susan Werner <heinousbutch at gmail.com> wrote:

> 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
>>> _______________________________________________
>>> sudoroom mailing list
>>> sudoroom at lists.hackerspaces.org
>>> http://lists.hackerspaces.org/mailman/listinfo/sudoroom
>>> 
> 
> -- 
> 
> 
> _______________________________________________
> sudoroom mailing list
> sudoroom at lists.hackerspaces.org
> http://lists.hackerspaces.org/mailman/listinfo/sudoroom