[PD] Attaching a Sensor to Acoustic Instruments Question

[Hans-Christoph Steiner]

The circuit boards inside of wii remotes are much smaller and lighter,  
then you can use whatever battery gives you about ~3V.

.hc

On Dec 1, 2010, at 4:54 PM, J bz wrote:

> Hey all,
>
> I love this list:)
>
> I had thought about wiimotes but I think they are too cumbersome,  
> visible and heavy.  I would like the instrumentalist to not have to  
> be aware that they are connected to anything.  The point of the  
> tracking is to use the performers involuntary movement as input data  
> for the pd patch, so I would like for them to be as un-selfconscious  
> as possible.
>
> I have heard that there are problems with bluetooth in concert  
> situations, although the feedback I have just received from you guys  
> seems inconclusive?
>
> Although this is in a university setting for the 1st performance,  
> I'm also really keen that this can be portable and as inexpensive as  
> I can make it, thus hopefully allowing the piece to have a life  
> outside of academia.  This would prohibit going down any super- 
> complex routes.
>
> I think I would be more comfortable not having to rely on the sensor  
> being in the line of sight too, sounds scary.
>
> Brilliant feedback so far though, thanks a lot, I have plenty to get  
> on with.  I will, no doubt, be reporting back soon...
>
> Cheers,
>
> Jb
>
>
>
> On 1 December 2010 20:23, Pedro Lopes <pedro.lopes at ist.utl.pt> wrote:
> Tracking in that sense requires you to have gear that is in visible  
> line of sight to the musician. If its a concert situation maybe  
> that's not easy. But its a way to go. Note that will not produce  
> good tridimensional tracking results, one could use a kinect too.
>
> If we want to hyper extrapolate, if the concert is in a controlled  
> room, you can use 3D IR tracking system, such as used for mocap.  
> Real expensive but really accurate. :)
>
> Best luck,
> Pedro
>
>
> On Wed, Dec 1, 2010 at 8:01 PM, tim vets <timvets at gmail.com> wrote:
> Maybe it's worth mentioning that you can also work the other way  
> round:
> mount a small IR LED on the head of the instrument and track its  
> motion with a wiimote mounted statically in front of it.
> I used this once for tracking a remote controlled robot and it  
> worked fairly well.
> I guess that success will also depend on the type of movements the  
> musician will make.
> The IR LED would need to stay directed to the wiimote all the times.
> Also make the LED as omnidirectional as possible...
> Tim
>
> 2010/12/1 Jose Luis Santorcuato <santorcuato76 at gmail.com>
>
> Hi, i connected pd with arduino and adxl330, works fine, in order to  
> wireless i prefer arduino bluetooth, the only thing to do is change  
> the baud for default the in firmata is 57600, in my experience only  
> works if you change to 115200 (in the standard firmata arduino  
> sketch,and the arduino monitor).
>
> If you have problems i can help you, i send a youtube video , pd 
> +arduino+processing+osc wired...but arduino bluetooth or bluetooth  
> shield for Arduino is the solution.
>
> http://www.youtube.com/user/santorcuato76#p/u/1/SM4Un76LB90
>
> Best regrads from Chile
>
> José
>
> 2010/12/1 J bz <jbeezez at gmail.com>
> Hey all,
>
> I'm working on composing a piece within pd for viola in which I  
> would like to attach some kind of sensor to the head of the  
> instrument.  The sensor must be capable of tracking the performers  
> movements on the x,y,z axis', be undetectable for the performer, and  
> be wireless.  I'm not sure whether something arduino or some sort of  
> bluetooth device would be preferable?
>
> Would be very grateful if any listers have any experience in these  
> matters and could recommend some devices, pointers of things to  
> watch out for (bluetooth in concert venues for example), general  
> sturdiness of various items, etc.
>
> Many thanks, and best wishes,
>
> Julian
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>
>
>
>
> -- 
> http://arselectronicachile.blogspot.com
> http://comunicacionnativa.blogspot.com/
> http://www.myspace.com/santorcuato
>
>
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>
>
>
>
> -- 
> Pedro Lopes (MSc)
> contact: pedro.lopes at ist.utl.pt
> website: http://web.ist.utl.pt/Pedro.Lopes
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list



----------------------------------------------------------------------------

                   ¡El pueblo unido jamás será vencido!


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20101201/78fcbdec/attachment-0001.htm>