[Vanhackspace] Tonight's Agenda - Multitouch

[dan anderson]

...pretend I'm not an idiot, and that everything after the "-D" wasn't there.

Fug.


2009/4/15 dan anderson <dan.j.anderson at gmail.com>:
> People have mentioned building kits to help fund VHS. Some quick
> prices for what could constitute a FTIR kit:
>
> Acrylic $2      someone yesterday said they knew a source for $2 sheets.
> Plus time to polish.
> Camera  $6      http://www.dealextreme.com/details.dx/sku.13
> Mirror  $2      http://www.canadiantire.ca/browse/product_detail.jsp?PRODUCT%3C%3Eprd_id=845524442460359
> Wood    $5      plus time to work it (automatable?), not stained or painted.
> LEDs    $10     http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LNA2802L-ND
> (reasonably bright, reasonably wide angle, guessing at 10 to a side)
> Paper   $2      think Joe said it was $2?
> Gel(?)  ?       unsure as to volume used, etc.
> Solder, wires, electricity, rent, old floppies to cut up, projector,
> beer - not included above.
>
> So we could (in theory) throw kits together for about $30 cost-to-us.
> There'd be some labour, obviously.
>
> Something else I was looking at (perhaps it was this list that
> mentioned it?) was laser tables, eg:
> http://arbi.trario.us/2008/11/02/diy-laser-multi-touch-table/ - at $40
> for optics alone it's pricier, but hey, laser table. ;-)
>
> -D