[sudo-access] RFID & Auto Door Opener?

Jake jake at spaz.org
Sun Jan 15 23:46:52 PST 2017

i brought in a wheelchair motor a while ago that I think could be made into a
power door-opener pretty well.

I can work on a proof-of-concept for that and then be able to show you what I
mean, and then we can see if it will be good enough for our needs as opposed to
spending $2800 on a "proper" door opener.

as for the RFID cards, Alex and I have been working on implementing the card
reader thing for a little while and I think I can add it to the front door
pretty relatively easily.., and I guess i'll do that first, rather than trying
to do a storage closet first?

as always, if anyone wants to participate in this process they should
definitely jump in, otherwise it's subject to my chaotic schedule.

technical questions about making this happen should be sent to the access list
and possibly the sudoroom list, but probably not the building list as it will
be a major distraction if we get into the weeds of microcontroller boards and
door server code...

also, yes I do have the box of RFID stuff you ordered and i've been working on


On Sun, 15 Jan 2017, David Keenan wrote:

> Hi Jake / access control folks -
> So now that our front door is publicly labelled as accessible, we need to
> install an automatic door opener & remote button (kickplate & hand-height
> or a long bar) to make it legal.
> Reason I bring this up to you guys is, the opener system will need to
> integrate into our existing/future access control somehow. The quote I got
> is $2800 (50% parts, 50% labor) for a package including the Open Sesame
> Model 233 (brochure
> <http://www.opensesamedoor.com/index_htm_files/open_sesame_brochure.pdf>, spec
> sheet <http://www.opensesamedoor.com/index_htm_files/specs_model233.pdf>),
> made in San Leandro.
> Also, some of us met last week re: sketching out Omni's accessibility plan,
> and Yar suggested this might be a good time to also implement RFID system
> for the front door, if that was possible? In part because, proximity to an
> RFID fob is more accessible than a card swipe which (after thinking about
> it) I realized requires a pincing motion that is likely not ADA... because
> of the excessive door opening pressure and iffy slope on the front landing,
> we need an RFID & auto-opener.
> So -- I'm not sure if any more work has been done on the RFID systems I put
> in sudo a little while ago (stashed in under-stair storage area), might it
> be possible to integrate these into the door opener? I note in the brochure
> they offer a keypad access option - perhaps an opportunity for 2-factor
> authentication like Marc had talked about? Anyhow what do you guys think?
> I apologize for not helping y'all more with a better access control system
> (helping spaces post-ghostship consumed my bandwidth), but as there is now
> renewed pressure I want to help as I can. Would installing a trial
> RFID/throw on the Omni Office for example still be helpful towards getting
> this nailed down? Lmk
> Fwiw - I see the opener as pressing at this point not just 'cause its long
> overdue, but because every day our front door is labelled as accessible
> when it's technically not, is actually a not-insignificant liability issue
> (accessibility lawsuit). Plus of course, we are still under scrutiny by the
> city, nimby neighbors trying to call us out for bogus reasons, etc etc. And
> per building code the front door must be made fully accessible before any
> other accessibility work starts on the rest of the building - at some point
> an inspector's gonna notice since they all go through that door..anyhow.
> Let me know how myself & those of us working on accessibility might be able
> to help -
> Best,
> David

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