Pd and Arduino with bluetooth would be my first choice for ease. PD can synthesize and sample and connects to arduino with few hassles.
t On Fri, Mar 5, 2010 at 11:19 AM, Rick Green <[email protected]> wrote: > On Thu, 4 Mar 2010, Folderol wrote: > > > Also, use a short range photocell on the spokes (say 50mm). Easy to > > mount, reliable results with minimal effort. As these can usually > > respond up to 10-30kHz you won't have to worry about pedalling too > > fast :) > > Sensing the spokes measures vehicle speed, not pedaling speed, you'd want > your synth to drop to idle while you're coasting. I'm for a photocell > watching the crank sprocket teeth in the rear interval where there's no > chain. > You also need to measure torque, or chain tension, to drive your synth's > volume. An idler with a load cell on the top of the chain between the > crank and the wheel can be used for a single-speed or three-speed in-hub > transmission, but if you have a rear derailleur, you'll need another fixed > idler between the sensor and the rear wheel. If you have a front > derailleur as well, it just gets too complicated... > Maybe the accelerometer is simpler after all, even if you have to > compensate for incline. That's just math, not hardware. > > -- > Rick Green > > "Those who would give up essential Liberty, to purchase a little > temporary Safety, deserve neither Liberty nor Safety." > -Benjamin Franklin > > "As for our common defense, we reject as false the choice between our > safety and our ideals." > -President Barack Obama 20 Jan 2009 > _______________________________________________ > Linux-audio-user mailing list > [email protected] > http://lists.linuxaudio.org/listinfo/linux-audio-user >
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