[sudoroom] electronic access

Mon Nov 19 12:06:01 CET 2012

I will try heading there tomorrow (probably around 2pm or so).

-- 
Susan

On Nov 18 22:02, Jenny Ryan <tunabananas at gmail.com> wrote:
> I am willing to be there often throughout the week, but am still in need of
> a key. (hence cc'ing matt)
> 
> George is in the building from 3-5ish every day, I will try to pin down
> info on the lock system but would be happy to have others there (eg susan
> or jae) to ask more specific questions.
> 
> I'll ask about the factors people have brought up in this thread tomorrow.
> 
> Susan and others, I'll be there tomorrow by midday, can get let into
> sudoroom by george or eddan, and my number is 315,292,4656
> 
> <3jnny
> On Nov 18, 2012 9:31 PM, "Jae Kwon" <jkwon.work at gmail.com> wrote:
> 
> > I found this: http://216.171.160.5/media/pdf/2011/AR_AC-ElecOptionsED.pdf
> >
> > It looks like they have an option for an electric solenoid system for the
> > panic bar.
> > Whoever made our thing might have options for a solenoid thing as well, or
> > we might already have it installed.
> > We should figure out who made our panic bar and ask.
> >
> > I'll try to swing by Tuesday afternoon, unless somebody can figure it out
> > on Monday. Then, call them, or let me know and I'll call them and ask for
> > some info and quote.
> >
> > Searching for "electric latch retraction kit" yields some results. Another
> > solenoid one costs $400+ dollars.
> >
> > Remaining questions:
> >
> > * Are there cheaper solenoid kits?
> > * Who made our panic bar? (maybe George knows?)
> >
> >
> > On Nov 18, 2012, at 8:55 PM, Jae Kwon <jkwon.work at gmail.com> wrote:
> >
> > Thanks for the writeup, Susan.
> >
> > I'm doing some research online on this now. If you want to chat live, ping
> > me on IRC at #sudoroom or find me on #sudoroom_access.
> >
> > ## Electric Strike
> > * Can the electric strike be installed easily, or does it require cutting
> > the door or wall?
> >
> > ## Internal Door Thing
> > * What is the mechanism by which the vertical bars retract?
> > * What existing device can automate this retraction without modifying the
> > external panic bar mechanism?
> > * How much does it cost?
> >
> > ## External Door Thing
> > * If all fails, then we can definitely make an external device that will
> > not obstruct the original door mechanism, by 3d printing a robotic pair of
> > pushers. Who's interested in this project?
> > * We will learn how to use Blender and/or Sketchup (whichever is better
> > suited for modification of gear and lever systems),
> > * and we will scour the internet and Thingiverse for existing works to
> > fork from,
> > * and we'll be doing some basic arduino programming as well
> >
> > ## Interim Solution
> > * Who's going to be at SudoRoom when? We need to keep a calendar of
> > key-keepers, who will be responsible for handing keys etc.
> > * Someone needs to create this very specific Google Calendar and invite us.
> > * Who has the keys now? How many are left?
> > * Who is willing to volunteer to be at SudoRoom at future dates and hours?
> > I'm willing to be there once a week until we get a long term solution. We
> > need more volunteers.
> >
> > - Jae
> >
> >
> >
> >
> > On Nov 18, 2012, at 8:17 PM, Susan Werner <heinousbutch at gmail.com> wrote:
> >
> > What's generally used in these cases is what's called an electric strike:
> > (see http://en.wikipedia.org/wiki/Electric_strike or
> > http://www.accesshardware.com/press/AHS%20HES%20CompleteGuide.pdf )
> >
> > An electric strike is a device that is installed in the doorframe that
> > frees
> > the bolt (and thus the door) to move even when the bolt is extended.
> >
> > Another option is to replace the entire panic bar is replaced with a panic
> > bar
> > with an internal delocking mechanism that can retract its bolt when power
> > is
> > applied.
> >
> > What should *not* be done is any modification of the panic bar -- doing so
> > is
> > likely to violate fire codes / life safety codes. In most building codes,
> > there
> > are strict requirements about what's allowed (and not) on doors with panic
> > bars
> > and from what I understand, modifying the panic bar is likely to cause a
> > code
> > violation. (an electric strike doesn't interfere with any of the
> > functioning of
> > a panic bar, so those are OK)
> >
> > Once you have a something that unlocks when power is applied, all you need
> > to
> > do is interface that with a 3.3V / 5V logic output (relay + transistor
> > with the
> > right protection diodes is an easy way to go) and connect that to a
> > computer.
> >
> > --
> > Susan
> >
> > On Nov 18 19:08, Andrew <andrew at roshambomedia.com> wrote:
> >
> > Hi Susan,
> >
> > Last I heard we were going to get an estimate from a door guy and then see
> > if we could do it our selves for cheaper. The problem we have is that the
> > outside facing door is one of those push bar doors. We aren't sure how to
> > approach replacing the lock with an rfid or card reader. Do you have any
> > experience with that?
> >
> > Thanks,
> > Andrew
> >
> >
> > On Sun, Nov 18, 2012 at 6:41 PM, Susan Werner <heinousbutch at gmail.com
> > >wrote:
> >
> > What's the status on the access things? I'm interested in helping out --
> > I've
> > already built very similar things (electric strike + magnetic card reader
> > interfaced with a WR850G wireless router running openwrt (i interfaced the
> > e-strike to the GPIO pins and the magnetic card reader to its serial port).
> >
> > I also have a working beaglebone running linux (it's a small ARM board
> > with a
> > hellton of GPIO pins, a handful of serial ports, USB, and ethernet) and I'm
> > willing to use it for the door access control.
> >
> > --
> > Susan
> >
> > On Nov 18 16:57, Andrew <andrew at roshambomedia.com> wrote:
> >
> > All updates on the access issues. I tried to get in today, but no one was
> > there or heard the buzzer.
> >
> > --Andrew
> >
> >
> > On Tue, Nov 13, 2012 at 12:48 PM, Jenny Ryan <jenny at thepyre.org> wrote:
> >
> > There is a meta-organizational meetup at 6pm before the meeting
> >
> > tomorrow.
> >
> >
> > Jenny
> > http://jennyryan.net
> > http://thepyre.org
> > http://thevirtualcampfire.org
> > http://technomadic.tumblr.com
> >
> > `~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`
> > "Technology is the campfire around which we tell our stories."
> > -Laurie Anderson
> >
> > "Storytelling reveals meaning without committing the error of defining
> >
> > it."
> >
> > -Hannah Arendt
> >
> > "To define is to kill. To suggest is to create."
> > -Stéphane Mallarmé
> > ~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`~`
> >
> >
> >
> > On Tue, Nov 13, 2012 at 12:32 PM, Andrew <andrew at roshambomedia.com>
> >
> > wrote:
> >
> >
> > Sounds great. I'll be there.
> >
> >
> > On Mon, Nov 12, 2012 at 11:06 PM, Jonoakland <
> > bayopensourcehardware at gmail.com> wrote:
> >
> > I'm willing and able to help with the construction side of the
> > electronic access system I propose anyone interested in the
> >
> > electronic
> >
> > access project meets before the meeting for brainstorming 6 o'clock
> > Wednesday and then after the meeting also...
> >
> > _______________________________________________
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> > sudoroom at lists.hackerspaces.org
> > http://lists.hackerspaces.org/mailman/listinfo/sudoroom
> >
> >
> >
> >
> > --
> > -------
> > Andrew Lowe
> > Cell: 831-332-2507
> > http://roshambomedia.com <http://roshambomediacom>
> >
> >
> >
> > _______________________________________________
> > sudoroom mailing list
> > sudoroom at lists.hackerspaces.org
> > http://lists.hackerspaces.org/mailman/listinfo/sudoroom
> >
> >
> >
> >
> >
> > --
> > -------
> > Andrew Lowe
> > Cell: 831-332-2507
> > http://roshambomedia.com
> >
> >
> > _______________________________________________
> > sudoroom mailing list
> > sudoroom at lists.hackerspaces.org
> > http://lists.hackerspaces.org/mailman/listinfo/sudoroom
> >
> >
> >
> > --
> >
> >
> >
> >
> >
> > --
> > -------
> > Andrew Lowe
> > Cell: 831-332-2507
> > http://roshambomedia.com
> >
> >
> > --
> >
> >
> > _______________________________________________
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> > sudoroom at lists.hackerspaces.org
> > http://lists.hackerspaces.org/mailman/listinfo/sudoroom
> >
> >
> >
> >
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> > http://lists.hackerspaces.org/mailman/listinfo/sudoroom
> >
> >

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