[Lab] Touch sensitive/reactive windows

Fri Apr 29 12:07:38 EDT 2011

congrats

Jean-Marc Le Blanc
---

"Do you pine for the nice days of Minix-1.1, when men were men and
wrote their own device drivers?" Linus Torvalds


On Fri, Apr 29, 2011 at 12:03 PM,  <bentfork at gmail.com> wrote:
> You're on hackaday!
>
> http://hackaday.com/2011/04/29/the-start-to-finish-of-an-interactive-exhibit/
>
> Congrads!
>
> On 28 April 2011 10:46, Andrew O'Malley <aomalley at gmail.com> wrote:
>>
>> Hi all, an update on this touch-sensitive windows project . . .
>>
>> I ended up using the CapSense library for Arduino with a row/column
>> electrode arrangement, thus only needing 11+1 i/o pins for each 5x6
>> array of windows.  Thin wire was used for the electrodes, with a
>> row/column intersection centered on the back of each window.  Despite
>> some noise/interference problems (mostly solved w/ grounding), this
>> solution worked pretty well.
>>
>> Each window was individually illuminated by a Shiftbrite, and the
>> whole thing assembled in a fabricated steel structure.
>>
>> I've written a detailed post about the (on-going) project here:
>> http://technoetc.net/blog/2011/04/27/urbana-2011/
>>
>> Thanks again for your input and suggestions,
>> ao.
>>
>>
>>
>> On Mon, Mar 14, 2011 at 11:10 PM, Andrew O'Malley <aomalley at gmail.com>
>> wrote:
>> > Thanks for the suggestion.
>> >
>> > The other issue I have with an ir+camera solution is that there will
>> > be substructure in the tower which will be holding all the lights
>> > which illuminate the windows, so there will only about a 3 inch margin
>> > between that and the inner walls.
>> >
>> > ao.
>> >
>> >
>> > On Mon, Mar 14, 2011 at 7:02 PM, Mike Baker <mbaker3 at gmail.com> wrote:
>> >> If you're looking at an IR based solution I've been working on a touch
>> >> table
>> >> using IR lasers. They have the advantage of still working quite well in
>> >> sunlight rooms.
>> >>
>> >> Here are the lasers I use and am quite happy with so far:
>> >>
>> >> http://aixiz.com/store/product_info.php?cPath=44_27&products_id=67&osCsid=d5b9a3ff99350c797248ca117ed67cfb
>> >>
>> >> The challenge with your idea would be somehow using a camera to capture
>> >> the
>> >> reflected IR in that small box. I can't think of a solution immediately
>> >> but
>> >> I'll keep on it. Maybe the use of a chrome ball or extreme fish eye
>> >> lens on
>> >> the camera to try and capture all sides of the installation at once.
>> >> --
>> >> Mike Baker
>> >>
>> >>
>> >> On Mon, Mar 14, 2011 at 5:43 PM, Andrew Plumb <andrew at plumb.org> wrote:
>> >>>
>> >>> Have a look around for spray-on anti-static ESD coatings.  That might
>> >>> get
>> >>> you the conductivity you need for capacitive sensing over larger
>> >>> surface
>> >>> areas.
>> >>> Andrew.
>> >>>
>> >>> On 2011-03-14, at 5:13 PM, Andrew O'Malley wrote:
>> >>>
>> >>> Ouch, too expensive for my budget considering I have 100+ 5" x 7"
>> >>> windows to deal w/.
>> >>>
>> >>> Thanks for the input everyone, please keep it coming if anything comes
>> >>> to
>> >>> mind.
>> >>>
>> >>> So far my most promising results are using capacitive sense wires near
>> >>> the windows; going to do a full-scale mock-up of my interaction
>> >>> surface this week to confirm.
>> >>>
>> >>> Cheers,
>> >>> ao.
>> >>>
>> >>>
>> >>> On Mon, Mar 14, 2011 at 5:03 PM,  <bentfork at gmail.com> wrote:
>> >>>
>> >>> I've seen transparent conductive glass used for DIY EL screen
>> >>>
>> >>> printing.  I think they used Indium Tin Oxide, aka ITO Glass.
>> >>>
>> >>> The cheapest I could find (in 30 seconds) was
>> >>> http://bayviewoptics.com/id2.html
>> >>>
>> >>> It looks like people have been able to manufacure their own.   I even
>> >>>
>> >>> saw a youtube on  it. http://www.youtube.com/watch?v=OTu4KhL7IOE
>> >>>
>> >>> If you find any cheaper let me know ;)
>> >>>
>> >>> On Mon, Mar 14, 2011 at 3:47 PM,  <lab-request at artengine.ca> wrote:
>> >>>
>> >>> Message: 8
>> >>>
>> >>> Date: Mon, 14 Mar 2011 15:47:21 -0400
>> >>>
>> >>> From: "Andrew O'Malley" <aomalley at gmail.com>
>> >>>
>> >>> Subject: Re: [Lab] Touch sensitive/reactive windows
>> >>>
>> >>> To: Jean-Marc LeBlanc <jeanmarc.leblanc at gmail.com>
>> >>>
>> >>> Hi,
>> >>>
>> >>> Thanks for your ideas/suggestions everyone -- I'm hearing the idea of
>> >>>
>> >>> conductive coatings or conductive plastic a lot, anyone have any leads
>> >>>
>> >>> where I would acquire such things?
>> >>>
>> >>> Thanks again,
>> >>>
>> >>> ao.
>> >>>
>> >>>
>> >>> _______________________________________________
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>> >>>
>> >>> --
>> >>>
>> >>> Makerbot Number Nine... #9... 0x09... 0o11... 0b1001...
>> >>> http://clothbot.com/wiki/MakerBotNumberNine
>> >>>
>> >>>
>> >>>
>> >>>
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>> >>
>> >>
>> >
>>
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