[Robotgroup] Project Hand-Off

[Eric Lundquist]

How about mounting these orbital sanders underneath the chairs?  That should
get someones attention!
http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=40070

- Eric



On 7/7/08, Edwin Wise <edwin at simreal.com> wrote:
>
>
>
> Who wants this?
>
> Edwin!
>
> On 7 Jul 2008, at 2:39 PM, Andre Lamothe wrote:
>
> There are numerous buzzers in digikey etc. that make a huge vibration, etc.
>>
>
> There are indeed over 900 "buzzers" listed in DigiKey, but DigiKey, Mouser,
> Surplus Center, and other reliable sources are failing me when it comes to a
> cheap and decent vibrator.
>
> Looking at DigiKey's buzzers briefly, tactile vibration doesn't actually
> appear to be a feature mentioned.  I'm not too sure how well a SPL-optimized
> buzzer will translate into tactile response, but that's certainly a valid
> area for experimentation... which takes time... which I'm short of.  Your
> statement that they make a "huge vibration" comes from... experience?
>  Experience is great!  Or maybe you just stumbled across the right data
> sheet when you looked.
>
> So are you looking for the electrical design as well, that is, the be able
>> to control them seperately or all at once in parallel, etc.? Like Paul said,
>> can you give a complete outline of the project spec and deliverables.
>>
>
> Vern posted the Tingler info, so that's pretty much it.  I expect the
> easiest will be to have one switch to turn them all on at once, then off
> again, according to the movie's cue.
>
> There is no fixed outline for the project -- the movie indicates a point in
> time where we want a Tingle effect -- and vibration is how they did this in
> the past.  I don't think putting $10 tazers into the seats will go over well
> with the theater, though it would certainly "tingle". Heh.
>
> There used to be a nice, cheap set of bass shakers available, but the only
> devices I see now that are optimized this way are overly expensive.  For
> speakers pointing at the seat, maybe, but again I'm not sure about the
> coupling; I've used speakers to drive vibration before, and have always
> gotten much better results NOT using speakers to drive vibration, but to
> create a direct-coupled device instead.
>
> As for mount points, size, etc etc -- that's between the builder and Lars.
> I proposed a visit to the theatre to gather this data and perhaps perform a
> test, but nothing has been set up yet.
>
> The target date is an as-yet only loosely specified time somewhere in
> September, during Fantastic Fest.
>
> Now you know as much as I do, except for Lars' e-mail address and an
> introduction, which will wait until someone bites.
>
> Edwin!
> ---
> Edwin Wise, Rogue Technologist
> Simulated Reality Systems, LLC
> www.simreal.com
>
>
>
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